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    • 专利摘要:
    The subject of the invention is a device (1) for feeding at least one receiving surface between two successive stations in an industrial line for processing products (3) in the chain, having a gripping zone (4) of wherein the products (3) are transferred to said surface, and having an input conveyor (5) for receiving and holding a compact stream of products (3) received from the upstream station, a receiving conveyor (6), extending along a conveying direction (7) into a gripping zone (4) for receiving therein and then stopping the flow of products (3) supplied by the input conveyor (5), as well as a means of transfer (8), to move, transversely to the conveying direction (7), to the receiving surface, the products (3) stopped in the gripping zone (4). This device is characterized in that it comprises, in addition, at least one buffer conveying means, able, on the one hand, to receive the compact stream of products (3) from the input conveyor (5) when the products (3) are stationary on the receiving conveyor (6) for their transfer, and, secondly, maintain the compactness of said flow The invention also relates to a preparation device and a corresponding method.
    公开号:FR3038307A1
    申请号:FR1556106
    申请日:2015-06-30
    公开日:2017-01-06
    发明作者:Anthony Gehin
    申请人:Gebo Packaging Solutions France SAS；
    IPC主号:
    专利说明:

    DEVICE AND METHOD FOR SUPPLYING ACCUMULATION
    The present invention relates to the field of conveying products within an industrial processing line, and has for its object, on the one hand, a receiving surface supply device and a preparation device using it, and, on the other hand, a method implementing said feeder, namely a receiving surface feeding method.
    In this field, the products, which may be bottles, cans, bottles, boxes, boxes, cartons, bundles, or other, are conveyed between successive processing stations using conveyors essentially of the endless belt type. The products are processed or even conveyed in single-line, multi-wire, and conveyed and even in bulk.
    In order to have a complete line capable of producing continuously despite the stops of the various stations, for various reasons such as defects or lack of consumables, it is necessary to have accumulation solutions between the stations, which host the products processed by the upstream station while the downstream station can not operate, and / or providing the downstream station with products to be processed while the upstream station can not operate. The preparation of products for the downstream station is also necessary, for example by arranging the flow in plurifilar, etc. EPI 144285 discloses, for example, an accumulation table where the products arrive in a multi-filament and emerge again in a multi-filament at the opposite end. EP2459472 describes meanwhile an accumulation table where the products come out and enter the same side, each time, again, multi-filament. One of the drawbacks of such solutions is that, to mount it between two stations at least one of which operates in a single line, it is necessary to arrange a transformation of the flow, from the single-line to the multi-line, and / or the multi-line. towards the single-wire, as described for example in EP2188199. Such an architecture nevertheless has overall a very large ground surface, and generates possible jamming problems during transformations of multi-wire to single-wire flow. Indeed, a bulk flow is often organized with a quinconcage products that is difficult to eliminate.
    Finally, there is known from WO2014076390 an accumulation solution with a single-wire entry, a transverse accumulation on a horizontal surface, and then a single-wire output. The supply of such an accumulation surface nevertheless rests on the succession, downstream of the supply by the upstream station, of an overspeed conveyor and then of a conveyor operating on / off. This last conveyor makes it possible to put the products stopped for their transversal displacement towards the accumulation surface. Upstream, the products on the overspeed conveyor are distant and then recompacted on approaching the on-off conveyor. This spacing it causes between the products thus allows the products to accumulate at the end end of the conveyor overspeed, while the downstream conveyor is stopped. At high speed, this principle of transition between a continuous flow, upstream, and a discontinuous flow, downstream, is problematic because generator accelerations, shocks and decelerations for products that can be fragile, as, typically, bottles of empty glass.
    There is therefore a need in the state of the art for a storage solution of large capacity, reduced size, and / or limiting the risks on the products upon entry.
    For this purpose, the invention essentially proposes to supply a surface of reception type accumulation surface laterally, the products to be transferred being stopped, and the products supplied during this time from the upstream station being, waiting for their own transfer, received without further spreading and therefore not exceeding their entry speed. The subject of the invention is thus a device for supplying at least one receiving surface between two successive stations in an industrial line for treating chain products, having a gripping zone from which the products are transferred to said surface, and having an inlet conveyor for receiving and maintaining a compact stream of products received from the upstream station, a receiving conveyor, extending along a conveying direction in a catch area for receiving and then stopping there the flow of products provided by the input conveyor, and a transfer means for moving, transversely to the conveying direction, to the receiving surface, the products stopped in the gripping zone.
    This device is characterized in that it comprises, in addition, at least one buffer conveying means, capable of, on the one hand, receiving the compact flow of products from the input conveyor when the products are stopped on the receiving conveyor for their transfer, and, secondly, maintain the compactness of said flow. The subject of the invention is also a preparation device for mounting between two stations in an industrial chain of products treatment line, comprising at least a reception surface of rectangular shape on which products can be accumulated, characterized in that it further comprises a feeder as described above, positioned so that the receiving conveyor extends along an edge of said at least one receiving surface. The invention finally relates to a method implemented by this device, namely a method of supplying a reception surface installed between two stations in a line of industrial processing of products in the chain, comprising continuously receiving a compact flow of products from the upstream station at an input conveyor, in particular a flow where the products are in contact one behind the other in single-wire, supplying, using said input conveyor, a receiving conveyor on which the flow maintains its compactness, braking the products on the receiving conveyor to a standstill, preferably by gradually stopping the receiving conveyor, then releasing the receiving conveyor by removing the products which are find, on the one hand, to accumulate later on a receiving surface, and, on the other hand, to allow the receiving conveyor to receive new products.
    This method is characterized in that it comprises a step, implemented during the braking and the release of the products of the receiving conveyor, consisting essentially in feeding the compact flow of products from the input conveyor to a buffer conveyor means in maintaining the compactness, so as to continuously receive the stream of the upstream station without modifying it and thus create no risk of shock between products or acceleration and / or uncontrolled deceleration, and a subsequent step in which products that are on the buffer conveying means are released, to, on the one hand, accumulate later on the or a receiving surface, and, secondly, allow the buffer conveying means to receive new products. The invention will be better understood thanks to the description below, which is based on possible embodiments, explained in an illustrative and non-limiting manner, with reference to the appended figures, in which: FIG. accumulation seen from above; FIG. 2 schematizes an alternative architecture with two accumulation surfaces; FIG. 3 schematizes the transfer from two alternative conveyors; - Figure 4 schematizes the possible operation of a transfer tool to the accumulation surface; - Figure 5 is a top view of an architecture with two alternative conveyors separated by a dead plate; FIG. 6 schematizes the transfer of the products with a central dead plate; - Figure 7 corresponds to Figure 6, with two dead plates; - Figure 8 is a principle with a baffle bringing the products of a conveyor on the other; - Figure 9 shows the position of the products in a principle according to Figure 8; - Figure 10 shows a supply with two conveyors traveling in opposite directions, connected by a mobile transfer blade; FIG. 11 represents the evolution of the position of the products for a supply corresponding to FIG. 10; - Figure 12 schematically a principle with a variable size input conveyor. The invention therefore firstly relates to a feed device 1 of at least one receiving surface between two successive stations in an industrial line for processing products 3 in the chain, having a gripping zone 4 of wherein the products 3 are transferred to said surface, and having an input conveyor 5 for receiving and maintaining a compact stream of products 3 received from the upstream station, a receiving conveyor 6, extending along a direction of conveying 7 in gripping zone 4 to receive and then stop the flow of products 3 provided by the input conveyor 5, and a transfer means 8 for moving, transversely to the conveying direction 7, to the surface reception, the products 3 at the stop in catchment area 4.
    The receiving surface is therefore installed between two successive stations in an industrial installation. Products 3, bottles, vials, boxes, cartons, are conveyed between these stations by conveyor belts on which they rest. The products 3 can all be oriented in the same way or not. The feed device 1 therefore receives the products 3 from the upstream station and supplies them to the receiving surface. The receiving conveyor 6 can extend in the conveying direction 7 also upstream of the gripping zone 4.
    The receiving surface may for example take the form of an accumulation surface 2 which makes it possible to manage the differences between the flows of two successive stations between which it is positioned and which then has a suitable accumulation capacity, or the form of a preparation surface where the products 3 are received to be organized in corridors, or even to reproduce a palletizing scheme.
    The products 3 are received from the upstream station through an input conveyor 5 which retains the flow of products 3 from the upstream station. During their presence on the input conveyor 5, the products 3 therefore circulate keeping their spacing given by the station upstream, which ensures a perfect continuity of operation.
    The receiving surface has a rectangular shape, the products 3 being fed on it from one of its sides, and out from the other side. The receiving surface therefore receives sections of the continuous flow delivered by the upstream station. These longitudinal sections are stored next to each other on the receiving surface, which prevents a nesting between the products 3, difficult to undo later. The supply of the receiving surface is therefore done by the receiving conveyor 6, mounted downstream of the input conveyor 5, and extending along the receiving surface, at the edge from where the products 3 are fed on said surface. Products 3 can arrive in single-wire on the receiving conveyor 6 or in multi-filament.
    The transfer of the products 3 to the receiving surface is done through a transfer means 8 which moves the products 3 by longitudinal batch, in a direction of movement which is transverse to the conveying direction 7. For this transfer, the products 3 are brought into a gripping zone 4, from which the transfer means 8 takes them. The receiving conveyor 6 therefore brings the products 3 into this gripping zone. The products 3 are preferably stopped for their transfer to the receiving surface. The input conveyor 5 thus has a preferably synchronized operation with the upstream station, while the receiving conveyor 6 has a variable speed between, on the one hand, a zero speed to stop the products 3 to free them from the zone 4, and, secondly, the same speed as the input conveyor 5, to receive the products 3 without changing the flow.
    According to the invention, the feed device 1 further comprises at least one buffer conveying means capable of receiving, on the one hand, the compact stream of products 3 from the input conveyor 5 when the products 3 are stationary on the receiving conveyor 6 for their transfer, and, secondly, maintain the compactness of said flow, the compact stream being in particular one-line with products 3 in contact with each other or slightly spaced. The products 3 on the buffer conveying means can then be sent to the same receiving surface, to another receiving surface, to a buffer or holding zone 11 of the dead plate type, or directly to the gripping zone 4. etc.
    Thus, both the inlet conveyor 5 and the buffer conveying means maintain the compactness of the flow of the product 3. The products 3 are not then subjected to shock and the flow of the upstream station is not altered.
    The buffer conveying means, which forms an additional conveying axis, can for example take the form of an additional buffer conveyor 9, rotating continuously or in a complementary manner to the receiving conveyor 6, or even in the form of additional conveying links, as it will be described.
    When the products 3 are stopped on the receiving conveyor 6, the flow coming from the upstream station is absorbed thanks to the putting into service of the buffer conveying means, so that neither the operation of the upstream station nor the product flow are disturbed.
    As will be described later, a deflector 12 may be provided for directing the flow of products 3 from the input conveyor 5 to either the receiving conveyor 6 or to the buffer conveying means. The flow can be slightly stretched and then recompacted on the occasion of this deviation. Overall, the flow nevertheless retains the same compactness in that the products 3 are not temporarily stacked against each other because of a retractable frontal abutment for example or even quickly separated by an overspeed conveyor used for Create batches intermittently from a continuous stream.
    According to an additional possible feature, the feed device 1 further comprises a release tool 10 for disengaging the products 3 from the at least one buffer conveyance means for future future receipt of products 3, the means of transfer 8 can in particular form said release tool 10. The products 3 can then be received, alternately, either on the receiving conveyor 6 or on the buffer conveying means. The products 3 are then optionally indifferently brought to the same receiving surface. It is therefore understood that two different means can serve alternately for these two release functions. The clearance tool 10 can then bring the products 3 to the receiving surface or elsewhere.
    In some embodiments, the clearance tool 10 moves the products 3 from the at least one buffer conveying means to stop directly on another receiving surface than that on which the transfer means 8 brings the products 3 from the receiving conveyor 6. The feed device 1 is thus provided with two reception surfaces, fed alternately, on the one hand the receiving conveyor 6, and the other hand the buffer conveying means. It is understood that the receiving conveyor and the buffer conveying means essentially have the same operation but alternately: the products being received on one while on the other, they are stopped for a transfer.
    In other possible embodiments, the release tool 10 moves the products 3 from the at least one buffer conveying means to stop directly on the same receiving surface as the one on which the transfer means 8 brings the products 3. from the receiving conveyor 6. The products 3 are accumulated next to each other on the receiving surface, since alternately the receiving conveyor 6 or the buffer conveying means. One and the same tool can also be used to move the products 3 to the receiving surface, both from the receiving conveyor 6 and from the buffer conveying means.
    In some embodiments, the release tool 10 moves the products 3 from the at least one buffer conveying means to stop directly on a waiting zone 11, from which the transfer means 8 then seizes them. move them directly on the receiving surface, at the same time as the products 3 of the receiving conveyor 6. The operation of supplying the product receiving surface 3 from the buffer conveying means is therefore in two operations, then that the supply of the product receiving surface 3 from the receiving conveyor 6 is in a single operation. The products 3 of the buffer conveying means are sent to a holding zone 11, like a dead plate, between said buffer conveying means and the receiving conveyor 6, the latter being between the waiting zone 11 and the receiving surface. reception. Thus, once the receiving conveyor 6 is stopped, the transfer means 8 releases on the accumulation surface simultaneously the products 3 of the waiting zone 11 and the products 3 on the receiving conveyor, 6 , while the input conveyor 5 supplies its products 3 by means of buffer conveyance.
    Two different tools are therefore implemented: one to move the products 3 from the buffer conveyance means to the waiting zone 11, and one to move the products 3 of the waiting zone 11 and the receiving conveyor 6 to the receiving surface.
    In some embodiments, the release tool 10 moves the products 3 from the at least one buffer conveying means to the receiving conveyor 6, for subsequent transfer to the receiving surface, the buffer conveying means being in particular constantly moving. The latter can then have a synchronized operation with the input conveyor 5, while the receiving conveyor 6 has an alternative operation. The release tool 10 may here be a simple deflector, in the simple case where the buffer conveying means and the receiving conveyor 6 are two conveyor belts side by side. The products 3 of the upstream conveying means are brought into the downstream part of the receiving conveyor 6 by means of this release tool 10, while the input conveyor continues to feed products onto the upstream part of the receiving conveyor 6. Once stopped, the batch of products 3 transferred by the transfer means 8 contains products 3 which have circulated by the buffer conveying means and products 3 which have not circulated by said means.
    According to a possible additional feature, the feed device 1 comprises a deflector 12 for directing the compact stream of products 3 from the input conveyor 5 to either the receiving conveyor 6 or to the at least one buffer conveying means. As has already been said, the spacing between the products 3 may vary slightly during this deviation, without this being considered as a substantial change in the compactness of the flow or a stretching of the flow. The receiving conveyor 6 and the buffer conveying means are used alternately, each receiving the products 3 when the other changes its speed to release the products 3 that he previously received.
    According to another possible additional feature, the buffer conveying means and the receiving conveyor 6 are in series, the buffer conveying means coming between the input conveyor 5 and the receiving conveyor 6. Thus, during the stopping the receiving conveyor 6, the products 3 are accommodated on the buffer conveying means, which can then have a useful size that depends on the flow to be absorbed. Possible technical achievements are developed below. The invention also relates to a preparation device to be mounted between two stations in a chain of industrial products processing line 3, comprising at least one rectangular-shaped receiving surface on which products 3 can be accumulated, preferably in groups of longitudinal batches, each aligned in the conveying direction 7. This preparation may consist, for example, of receiving and geometrically organizing a predefined number of products 3, or simply to put the products 3 on hold on a receiving surface forming accumulation surface 2 to provide a buffer function between two stations. The preparation device then forms an accumulation device 13 providing a buffer between two successive stations of an industrial processing line, between which it is mounted.
    According to the invention, it further comprises a feeding device 1 as described, positioned so that the receiving conveyor 6 extends along an edge of said at least one receiving surface.
    In possible embodiments, the preparation device further comprises, on the one hand, at least one exit conveyor 14, extending along the edge of the at least one reception surface which is opposite to that where extends the receiving conveyor 6, and, on the other hand, an output tool 15 for moving the products 3 from the receiving surface to said output conveyor 14. Each possible receiving surface is provided with its output conveyor 14. The output tool 15 may be a gripping tool that moves the products 3 from the receiving surface to the output conveyor 14, opposite the input side, for example a cap that comes from above . It may also take the form of a pusher, or even simply a conveyor belt whose preparation surface is provided and at the end of which the radius of curvature has the effect of depositing the products 3 on said output conveyor 14. The Another subject of the invention is a method implementing the feeding device as described above, namely a method of feeding a reception surface installed between two stations in an industrial processing line of products 3 to the chain, comprising continuously receiving a compact stream of products 3 from the upstream station at an inlet conveyor 5, in particular a stream where the products 3 are in contact one behind the other in a single line, feed, to using said input conveyor 5, a receiving conveyor 6 on which the flow retains its compactness, braking to the stop products 3 on the receiving conveyor 6, preferably by stopping progressively the receiving conveyor 6, then release the receiving conveyor 6 by removing the products 3 therein to, on the one hand, subsequently accumulate on a receiving surface, and, secondly, allow the receiving conveyor 6 to receive new products 3.
    The flow of products 3 at the inlet may be formed of products 3 in contact or spaced on the input conveyor 5, and it then arrives on a receiving conveyor 6. They are slowed down within the receiving conveyor 6 until stopping, reducing the speed of the receiving conveyor 6 with a deceleration that prevents the fall of the products 3. The products 3 are slowed in the approach of the gripping zone 4 and are arrived at the stop at the level of said area.
    According to the invention, the method comprises a step, implemented during the braking and the release of the products 3 of the receiving conveyor 6, essentially consisting of feeding the compact flow of products 3 from the input conveyor 5 to a conveying means buffer in keeping the compactness, so as to continuously receive the stream of the upstream station without modifying it and thus create no risk of shock between the products 3 or acceleration and / or uncontrolled deceleration, and a later stage during the products 3 which are on the buffer conveying means are released, to, on the one hand, subsequently accumulate on the receiving surface or, and, on the other hand, allow the buffer conveying means to receive new products 3. The flow of products 3 is thus received on the buffer conveying means when those on the receiving conveyor 6 are stopped. Conversely, in possible embodiments, the products 3 are received on the receiving conveyor 6 when those previously received on the buffer conveying means are disengaged therefrom.
    According to a possible additional feature, the method comprises a step consisting essentially in changing the direction of the compact flow of the input conveyor 5 to the receiving conveyor 6 or to the or a buffer conveying means. The circulation of the products 3 is therefore slightly modified depending on the downstream portion to where they must be made. The products 3 are brought, depending on the state of the associated deflector, either to the receiving conveyor 6, or to the at least one buffer conveying means.
    According to another possible additional feature, the method comprises, during the feeding of the reception conveyor 6 with the aid of the input conveyor 5, braking until the products 3 are stopped on the buffer conveying means, preferably in stopping progressively the buffer conveying means, and releasing the buffer conveying means by disengaging the products 3 by transferring them to a waiting zone 11 of the dead plate type, and, during the subsequent feeding of the buffer conveying means, transferring simultaneously to the receiving surface both products 3 waiting zone 11 products 3 stopped on the receiving conveyor 6 between them two.
    This transfer can be done by a movement of the sweeping type or by grasping the products 3 by means of a gripping cap which grips them from above, then brings them to the side. A product receiving cycle 3, from braking to stopping, of evacuation, is therefore repeated both for the receiving conveyor 6 and for the buffer conveying means, the reception on one being done during the deceleration. the other. The geometrical configuration according to which these two means are materialized by conveyor belts side by side, along the receiving surface, then makes it possible to provide a receiving zone between them, then to disengage towards the receiving surface simultaneously both the contents of the this receiving area as the contents of the carpet between said area and the receiving surface. The configuration is therefore relatively simple and the cycle times are effective.
    In possible embodiments, the method comprises a step consisting essentially in increasing the length of the conveyor between the input conveyor 5 and the receiving conveyor 6 so as to create between them a buffer conveying means receiving the flow while maintaining compactness. This is in particular compatible with devices where the receiving conveyor 6 is downstream of the buffer conveying means. The capacity of the buffer conveying means is then variable and adapted according to the cycle.
    According to an additional possible feature, the compact product flow 3 of the input conveyor 5 is continuously and cyclically received by the succession of a plurality of conveyors comprising a receiving conveyor 6 and at least one buffer conveying means, the braking and stopping of the products 3 for their clearance for accumulation and release of a conveyor accompanied by the reception of the compact flow by the following conveyor. The slowing down of the products 3, by the receiving conveyor 6 or by the at least one buffer conveying means, only concerns the products 3 which are then released by the release tool 10 and / or the transfer means 8. In other words, the flow of the input conveyor 5 is absorbed by a second means, respectively the receiving conveyor 6 or the at least one buffer conveying means, then the products 3 present on the first means, respectively the at least one means. buffer conveyor or the receiving conveyor 6 are slowed down to a standstill. The deflection of the flow before the start of the slowdown avoids the modification of the flow of products 3 on the input conveyor 5.
    As in the examples described below, the receiving surface may be an accumulation surface 2 and the preparation device which uses it may be an accumulation device 13. FIG. 1 illustrates the conventional arrangement of a installation according to the invention, with an accumulation surface 2 of rectangular shape, fed by the upstream station products 3 at one of its sides, and whose products 3 are extracted to the post downstream at the level of side opposite. The products 3 are provided at a feed side and disengaged at an exit side.
    The products 3 may be containers of the liquid bottle, vial, can, or other type. It may for example be crates, bundles or pack comprising several 3 unit products, whose shape seen from above has one side longer than the other. The installation can be provided upstream of an orientation means for rotating the products around the axis perpendicular to the conveying plane. The products 3 that are provided by the input conveyor 5 can therefore have different orientations one after the other.
    The products 3 are brought to the accumulation surface 2 by means of a feed device 1 which is located essentially at the feed side. Products 3 arrive from the upstream station by means of an endless belt belt conveyor, on which they lie vertically and which moves them in a conveying direction 7, which is parallel to the side where the products 3 arrive on the accumulation surface 2, and therefore also to the side from which they leave it. The feed device 1 thus transfers the products 3 transversely to the conveying direction 7 in the form of batches each representing a section of the incoming product stream 3. This incoming flow is preferably single-wire. The batches of products 3 supplied on the accumulation surface 2 therefore correspond essentially to one side of said surface, and a maneuver substantially parallel to the conveying plane and transverse to the conveying direction 7 is therefore sufficient to bring the products 3 to the surface. 2. The products 3 are stored on the accumulation surface 2 without staggering position, which avoids the transformation of unifilar flow in multi-filar and vice versa, likely to generate jamming. The accumulation surface 2 may be provided with an endless belt conveyor for feeding the products 3 to the exit conveyor 14 at the side of the surface from which they exit.
    The accumulation surface 2 thus makes it possible to store successive rows of products 3, the products 3 being able each time to have a different orientation, in the case already mentioned where a product orientator 3 is provided upstream. The accumulation surface 2 can thus serve, for example, to obtain a layer of products 3 to be palletized, since they are successively deposited in rows against one another transversely to the conveying direction 7.
    The products 3 released are released either in single or multi-filament. Indeed, it is quite possible, in the case of a configuration where the upstream station delivers the products 3 in single-line and the downstream station requires products 3 in multi-filament, to let the longitudinal batches of products 3 s accumulate against each other at the outlet side of the accumulation surface 2, and then simultaneously remove several longitudinal batches next to each other along a direction transverse to the conveying direction. 3 products are released from the accumulation surface 2 again transversely to the conveying direction 7 they take downstream, which means that the product batches 3 extracted from the accumulation surface successively form longitudinal sections of the flow downstream of the accumulation surface 2.
    This arrangement makes it possible to have a standard concept that can be used for any accumulation capacity, but also a reduced floor area.
    The products 3 entering the feed device 1 come from an upstream station which continuously feeds them and are thus organized in a compact flow, which means that they are generally in contact one behind the other, conveyed by a conveyor belt or carpet whose advance is synchronized with the flow of said station upstream.
    For the highest product flows 3, making a movement only transverse to the conveying direction 7 is delicate, since it is necessary to reach, ultimately, a zero movement in the conveying direction 7, at least when the product 3 arrives on the accumulation surface. Transverse transfer devices following the movement of the products 3, until transversely shift and then slow down then occupy a total length too high. On the other hand, performing a transversal transfer with a fixed tool longitudinally, since a flow of products 3 movable longitudinally brings, at a high rate, shocks and disturbances of the products 3 upstream against the tool as it passes through their zone. passage.
    It is therefore proposed, see Figure 2, to stop the longitudinal movement of the products 3 in the conveying direction 7 to then transfer them to the accumulation surface 2 with a transfer means 8 immobile in the direction 7. In order not to disturb the flow of products 3 coming from the upstream station, it is proposed to absorb the incoming products elsewhere. The flow of incoming products 3 is not disturbed and the products 3, generally in contact with each other, remain so, or at least their spacing does not increase when passing over an overspeed carpet , before a new recompactage, generating risks of falls first and shocks thereafter. It is of course understood that the products 3 deviated during the stopping of those to be transferred are then, in turn, stopped and then transferred transversely while the product stream 3 is absorbed without modification elsewhere, and so on.
    One of the advantages of the solution is that the product stream 3 is not disturbed during the buffer phase during which the previous products 3 are stopped: the products 3 continue to progress with the same spacing as they have entrance. Thus, accumulations based, as in the prior art, on an intermediate conveyor in overspeed with respect to the incoming flow of products 3 upstream, serving as a buffer between this continuous upstream flow and a discontinuous downstream conveying, where the products are avoided. 3 are regularly arrested and then transferred. This type of solution is not the best for rapid flow of fragile products, such as glass bottles, because the products 3 deviate from each other on the conveyor in overspeed, undergoing dangerous accelerations, and then press against each other as you approach the downstream conveyor when it stops. In addition, the floor area is relatively large and the speed regulation is complex.
    It is preferred here, while a batch of products 3 is stopped to be transferred, to accommodate the flow of products 3 without increasing the speed, that is to say in particular accommodate it on a conveyor traveling at the same speed and where the products 3 will maintain their spacing or at least not shock violently during a slowdown phase or will be subject to high acceleration.
    Thus, the products 3 arrive in the gripping zone 4 of the feed device through an input conveyor 5 which circulates the products 3 without changing the speed, and which therefore rotates preferably continuously. These products 3 are brought by the input conveyor 5 on a receiving conveyor 6 which itself has a variable speed and can therefore be stopped for the transversal transfer of the products 3 that it has received. During this time of shutdown, and therefore of slowing down to immobility, the products 3 are received by a conveyor, called a buffer conveyor 9, which preferably operates in an equivalent manner to the receiving conveyor 6, in this sense they each begin to receive the products 3 by letting them flow at the same speed as on the input conveyor 5 and then slow down to the stop allowing their cross transfer.
    Several achievements are possible and will now be described on the basis of the attached figures.
    The accumulation device 13 of FIG. 2 has two accumulation surfaces 2 fed alternately by two conveyors side by side and extending between them, said conveyors forming in turn a receiving conveyor 6 and a buffer conveyor 9 respectively. Feed device 1 thus has an inlet conveyor 5, on which the products 3 are received from the post upstream. This input conveyor 5 may possibly extend to said station. The products 3 of the input conveyor 5 are alternately fed to one of the two conveyors positioned between the accumulation surfaces 2, and the feed device 1 is provided for this purpose with a deflector 12 which directs the flow of products 3 from the input conveyor 5 to either or both of the central conveyors 6 or 9 downstream.
    The two central conveyors, between the accumulation surfaces 2, forming in turn reception conveyor 6 and buffer conveyor 9, are therefore controlled independently of one another and can thus have different circulation velocities in time. To start, the input conveyor 5, for example, under the effect of the deflector 12, bring the products 3 to the conveyor down in the direction of the figure, which thus forms the receiving conveyor 6. This conveyor 6 reception then flows at the same speed as the input conveyor 5 so that the spacing of the products 3 is not changed when they pass from the input conveyor 5 to the receiving conveyor 6. When the number of products 3 to transfer transversely from the receiving conveyor 6 to the accumulation surface 2 has been deviated from the input conveyor 5 to said receiving conveyor 6, the operation of the deflector 12 is modified so that the products 3 are sent to the another central conveyor, thus the top of the two in the direction of the figure, this conveyor then forming buffer conveyor 9.
    This buffer conveyor 9, at the time when the products 3 are directed on it, flow at the same speed as the input conveyor 5, which does not disturb the flow and keeps its compactness. While the flow of products 3 from the upstream station is directed towards the buffer conveyor 9 and no longer to the receiving conveyor 6, the latter can slow down until it stops in order to immobilize in the gripping zone 4 the products 3 qu 'he is wearing. The gripping zone 4 is located essentially at the end end of the receiving conveyor 6. Once the products 3 are stopped by the shutdown of the receiving conveyor 6, a transfer means 8 can be implemented to transversely move the products 3 on the accumulation surface 2. A movement by horizontal scanning, that is to say parallel to the conveying plane and the accumulation surface 2, is sufficient.
    During all this transfer operation from the receiving conveyor 6, the products 3 continue to circulate in compact flow from the outlet of the station upstream, on the input conveyor 5 and then on the buffer conveyor 9, at a uniform speed so that that the flow is not disturbed and the products 3 do not undergo sudden changes in their speed or shocks.
    Once a predefined number of products 3 has arrived on the buffer conveyor 9, the deflector 12 will switch and guide the products 3 again to the receiving conveyor 6, the speed of which has previously been brought to that of the conveyor. input 5, to avoid any change in the flow of products 3. It will be noted that the flow of products 3 at the inlet conveyor 5 is never disturbed. The same maneuver then takes place as for the previous cycle: the buffer conveyor 9, which no longer receives products 3, is slowed down to a standstill, and the products 3 that it contains are transferred transversely to another surface. accumulation 2, at the top of the figure.
    The products 3 are therefore alternately sent to one of the conveyors, while the other is slowed to a stop to transfer the products 3.
    The buffer conveyor 9 thus functions as an accumulation zone for receiving the products 3 during the stopping of the receiving conveyor 6 without disturbing the incoming flow. These received products 3 can of course also be sent to an accumulation surface 2, so that this buffer conveyor 9 can in turn form a receiving conveyor 6 for the next cycle, the supply of the receiving conveyor 6 for this second cycle and the supply of the buffer conveyor 9 for the previous cycle forming a single step. It is also understood that the buffer conveyor 9 brings the products 3 to a gripping zone 4 from which they are then released to be brought to an accumulation surface 2.
    The embodiment illustrated in FIG. 3 is based on the same principle, but only operates with a single accumulation surface 2, to which the products 3 previously received at constant speed are sent either on a conveyor or on the other. The slowdown until the shutdown of one of the conveyors, then the transfer of the products it contains, then its acceleration, are therefore held simultaneously to the reception of the products 3 on the other conveyor. FIG. 4 schematizes a possible transfer means 8 in the four essential loading steps. It is a manipulator which, in a first step, lifts the products 3 from the leftmost conveyor once they have all arrived and stopped, to release this conveyor and allow it to receive other products 3 then, in a second step, shifts to the other conveyor, to the right, to harvest the products 3 which are then stopped, then finally brings the two lots on the accumulation surface 2, and so on .
    It will be noted that the products 3 of the left-hand conveyor are therefore first disengaged to release this conveyor in order to receive products 3 by it, then brought onto the accumulation surface 2 at the same time as the products 3 received and stopped. on the other conveyor, on the right. The release tool 10, which extracts the products 3 from one of the conveyors, here the one to the left of FIG. 4, is thus maneuvered by the same actuator as that which moves the transfer means 8.
    The left conveyor can be considered as the receiving conveyor 6, the right-hand conveyor then forming the buffer conveyor 9, or, conversely, the right-hand conveyor can be considered as the receiving conveyor 6, the left-hand conveyor then forming the buffer conveyor 9.
    FIG. 5 illustrates, in connection with the sequential sketch of FIG. 6, an embodiment where the products 3 are disengaged from the buffer conveyor 9 towards a dead plate, and are then taken together with the products 3 on the receiving conveyor. 6, to be moved together on the accumulation surface 2.
    The receiving conveyor 6 is therefore between the buffer conveyor 9 and the accumulation surface 2 on which both the batch of products 3 on the dead plate and the batch of products 3 on the receiving conveyor 6 are then made simultaneously. The buffer conveyor 9 is thus the highest in FIG. 5 and the leftmost in FIG. 6. Here again we find the same principle of alternation between two conveyors, one of which stops while the other receives the speed of entry, at least at the beginning.
    Once all the products 3 of a batch to be moved by the transfer means 8 have been received on the receiving conveyor 6, the products 3 entering from the input conveyor 5 are fed onto the buffer conveyor 9, so that the receiving conveyor 6 can stop and allow a transfer of the products 3 transversely to the accumulation surface 2. Once the number of predefined products 3 has been sent to the buffer conveyor 9, the deflector 12 switches and then returns to new products 3 to the receiving conveyor 6. During this time, the buffer conveyor 9 is gradually stopped. The deceleration begins once all the expected products 3 are received from the input conveyor 5, which does not slow down, thus avoiding tamping the flow. In general, the deceleration must avoid falling objects 3 and therefore not be too abrupt, without requiring an excessive journey length. Once the products 3 stopped, they are released from the buffer conveyor 9 to a dead plate located between the buffer conveyor 9 and the receiving conveyor 6, in other words, transversely after the buffer conveyor 9 towards the accumulation surface 2. A release tool 10 provided for this purpose thus shifts the products 3 of the buffer conveyor 9 to the dead plate transversely, so as to disengage it quickly. As soon as the products 3 have been pushed to the side, on the dead plate, the buffer conveyor 9 can then be accelerated again to reach the flow velocity of the product stream 3 at the outlet of the upstream station, which corresponds to the speed of the input conveyor 5 and it is necessary to reach to avoid changing the flow of products 3.
    The filling of the receiving conveyor 6 and the stopping, disengagement and acceleration of the buffer conveyor 9 must be done in parallel. Thus, once the buffer conveyor 9 has reached the speed of the input conveyor 5 and the receiving conveyor 6 has received all the expected products 3, the deflector 12 can again switch and send the products 3 from the conveyor. entry 5 no longer on the receiving conveyor 6 but again on the buffer conveyor 9. It is understood that at this stage, the feed device 1 has accumulated two longitudinal rows of products 3 at the stop s' extending one next to the other: a row on the dead plate, and, adjacent to it, transversely conveying direction 7 to the accumulation surface 2, a row on the receiving conveyor 6. The transfer means 8 can thus seize and move up to the accumulation surface 2 two rows simultaneously, by a movement comparable to a scan. It is understood that this leaves a longer time for the cycle of the transfer means 8.
    The products 3 initially received on the buffer conveyor 9 are thus brought to the accumulation surface 2 in two stages: a first where they are released by the release tool 10, transverse pusher type, to the dead plate for simply release the buffer conveyor 9, and a second where they are brought from the dead plate to the accumulation surface 2. The products 3 received on the receiving conveyor 6 are themselves moved directly to the accumulation surface 2. The receiving conveyor 6 is located between the dead plate and the accumulation surface 2.
    In extension of this principle, FIG. 7 schematizes a possible arrangement based on three conveyors separated by two dead plates. The leftmost dead plate receives the products 3 once the leftmost conveyor stopped and the product stream 3 arrives directly on the central conveyor, then the products 3 of the dead plate on the left and the products 3 of the left. Central stationary conveyor are disengaged towards the dead plate on the right, while the flow of products 3 arrives on the rightmost conveyor, then three rows of products 3 are released simultaneously once the right conveyor has stopped. The flow of incoming products 3 is therefore fed in turn to each of the three conveyors. It is also understood that each of the conveyors receiving products 3 brings them to a gripping zone 4 from which they are released, either to go directly to the accumulation surface 2, or to be temporarily put on hold before arrive on said surface.
    Figure 8 illustrates another embodiment, in which the receiving conveyor 6 and the buffer conveyor 9 are mounted side by side. The receiving conveyor 6 operates alternately, that is to say, it is momentarily stopped to allow the transfer means 8 to move the products 3 placed on him. In this embodiment, the release tool 10, which makes it possible to extract the products 3 from the buffer conveyor 9, takes the form of a simple baffle, possibly movable, which folds the products 3 onto the receiving conveyor 6, as shown in FIG. 9. The buffer conveyor 9 can, for its part, operate permanently, possibly at the same speed as the input conveyor 5. The input conveyor 5 first supplies the products 3 to the receiving conveyor 6, which then circulates at most at the speed of the input conveyor 5, so as not to change the flow of products 3 and thus avoid shocks, accelerations, uncontrolled decelerations, etc. After a predetermined quantity of products 3 has been supplied to the receiving conveyor 6, the deflector 12 switches its operation and directs the products 3 to a buffer conveyor 9. Here again, once the flow of products 3 has deviated from the receiving conveyor 6, the latter can be gradually slowed down and stopped. The products 3 then circulating on the buffer conveyor 9 are directed towards its end, and, during their progression, pushed towards the receiving conveyor 6 by a deflector forming a release tool 10. The receiving conveyor 6, when it slows down , must therefore do with him, on the one hand, products 3 from the input conveyor 5 directly, and, on the other hand, products 3 brought on him by the release tool 10.
    The receiving conveyor 6 thus has a set of products 3 coming, for a part, directly from the input conveyor 5, and, for the rest, downstream in the direction of the conveying direction 7, directly from the buffer conveyor 9. At the end of its deceleration, when it is stationary, the receiving conveyor 6 therefore has the expected number of products 3 for the transfer from the gripping zone 4 at its end to the accumulation surface 2 When the arrested products 3 are moved by the tool 8 of the receiving conveyor 6 towards the accumulation surface 2, the products 3 arriving at the input conveyor 5 are sent to the buffer conveyor 9.
    FIGS. 10 to 12 relate to embodiments in which the useful length of the conveyor is modified between the input conveyor 5 and the receiving conveyor 6, so as to form a buffer conveyor 9.
    In the embodiment of FIGS. 10 and 11, the inlet conveyor 5 circulates continuously, at the rate of the inlet flow, to maintain the spacing between the products 3. The feed device 1 is provided with a blade 17, which ensures the passage of the products 3 of the input conveyor 5 to the receiving conveyor 6. The input conveyor 5 can operate continuously, while the receiving conveyor 6 operates in a discontinuous manner, and therefore periodically stops momentarily so that the products 3 can be released transversely without risk by the transfer means 8. During the deceleration phase until the stop of the receiving conveyor 6 of the transfer of the products 3 on the accumulation surface 2, the dawn 17 moves and moves away longitudinally. In doing so, the products 3 supplied by the input conveyor 5 are then received, on hold, on a portion forming a buffer conveyor 9, located in the extension of said input conveyor 5. The number of products 3 in the conveyor buffer 9 therefore varies in time, between a minimum value and a maximum value.
    The capacity of the buffer conveyor 9 is maximum when the blade 17 is at a maximum distance. The reverse movement of the blade 17, forming the release tool 10, has the effect of reducing to a minimum the capacity of the buffer conveyor 9 by releasing at least a portion, or all, of the products 3 which are find and bringing them on the receiving conveyor 6 to be then taken by the transfer means 8.
    Figure 12 illustrates another embodiment, in two different states. The input conveyor 5, the buffer conveyor 9 which follows and the receiving conveyor 6 are here formed of a single carpet, whose figure represents the upper half. The upper part of this mat in one piece extends U to the left, the lower part, not shown, extending U complementary length. The upper part and the lower part are connected by returns in a half-turn around an axis extending from top to bottom in the figure. Thus, when the u-turn wheel of the upper part moves away, as during the passage from Figure 12A to Figure 12B, the bottom turn wheel is approaching. The carpet has a constant total length, but only a useful portion at the top.
    The upper portion of the U is therefore constantly in motion and thus forms the input conveyor 5. The lower section, forming a receiving conveyor 6, can also be in motion, so as to bring into the gripping zone 4 all the products 3 required for the transfer. When the predetermined number of products 3 is reached in the gripping zone 4, the receiving conveyor 6 must be stopped. To allow the flow of products 3 to continue to be received in the accumulation device 13, the turning wheel is moved away, the upper strand can thus continue to advance continuously.
    The products 3 which were on the input conveyor 5 continue to circulate on a buffer conveyor 9 while waiting to be able to arrive on the receiving conveyor 6. The buffer conveyor 9 is thus obtained by moving the return wheel away. , and then inserting between the input conveyor 5 and the receiving conveyor 6 a carpet portion which accommodates the products 3 and thus forms the buffer conveyor 9. This buffer conveyor 9 accommodates the products 3 at the same speed as the conveyor input 5, with which it is integral since formed the same strand. The compactness of the flow is thus not modified.
    After the products 3 in the gripping zone 4 have been transferred to the accumulation surface 2, the receiving conveyor 6 can be set in motion again, and for this purpose the return wheel is made immobile or brought closer to its starting position. It will be understood that the speed of the receiving conveyor 6 then depends on the speed of circulation of the idler wheel 18 as well as on the speed of the input conveyor 5. The fact of bringing the idler wheel 18 closer together, thus imposing on it left to right movement in FIG. 12, transfer the products 3 from the upstream conveyor 9 to the receiving conveyor 6 and thus form a release tool 10.
    Thanks to the invention, it is thus possible to provide a principle for supplying a receiving surface, such as an accumulation surface, which avoids shocks between the bottles and whose operation can thus be completely adjusted to that of the station upstream.
    Although the description above is based on particular embodiments, it is in no way limiting to the scope of the invention, and modifications may be made, in particular by substitution of technical equivalents or by a different combination of all or some of the features developed above.
    权利要求:
    Claims (15)
    [1" id="c-fr-0001]
    1. Device for supplying (1) at least one receiving surface between two successive stations in an industrial line for treating products (3) with the chain, having a gripping zone (4) from which the products ( 3) are transferred to said surface, and having an input conveyor (5) for receiving and holding a compact stream of products (3) received from the upstream station, a receiving conveyor (6), extending along a conveying direction (7) in a gripping zone (4) for receiving and then stopping the flow of products (3) supplied by the input conveyor (5), as well as a transfer means (8), for moving, transversely to the conveying direction (7), to the receiving surface, the products (3) at a stop in the gripping zone (4), characterized in that it further comprises at least one means buffer conveyor, adapted to receive, on the one hand, the compact flow of products (3) from the input conveyor (5) when the production uits (3) are stationary on the receiving conveyor (6) for their transfer, and, secondly, maintain the compactness of said flow.
    [2" id="c-fr-0002]
    2. Feeding device (1) according to claim 1, characterized in that it further comprises a release tool (10) for disengaging the products (3) from the at least one buffer conveying means for the purpose of future future product reception (3).
    [3" id="c-fr-0003]
    3. Feeding device (1) according to claim 2, wherein the release tool (10) moves the products (3) from the at least one buffer conveying means to stop directly on another receiving surface than that on which the transfer means (8) brings the products (3) from the receiving conveyor (6).
    [4" id="c-fr-0004]
    4. A feeding device (1) according to claim 2, wherein the release tool (10) moves the products (3) from the at least one buffer conveying means to stop directly on the same receiving surface as that on which the transfer means (8) brings the products (3) from the receiving conveyor (6).
    [5" id="c-fr-0005]
    5. Feeding device (1) according to claim 2, wherein the release tool (10) moves the products (3) from the at least one buffer conveying means to stop directly on a waiting zone ( 11), from which the transfer means (8) then seizes them to move them directly on the receiving surface, at the same time as the products (3) of the receiving conveyor (6).
    [6" id="c-fr-0006]
    6. Feeding device (1) according to claim 2, wherein the release tool (10) moves the products (3) from the at least one buffer conveying means to the receiving conveyor (6), for a transfer later to the receiving surface.
    [7" id="c-fr-0007]
    7. Feeding device (1) according to any one of claims 1 to 6, characterized in that it comprises a deflector (12) for directing the compact flow of products (3) of the input conveyor (5) is to the receiving conveyor (6) or to the at least one buffer conveying means.
    [8" id="c-fr-0008]
    8. feeding device (1) according to any one of claims 1 to 6, wherein the buffer conveying means and the receiving conveyor (6) are in series, the buffer conveying means coming between the input conveyor (5) and the receiving conveyor (6).
    [9" id="c-fr-0009]
    9. Preparation device, to be mounted between two stations in a line of industrial product processing (3) to the chain, comprising at least one receiving surface of rectangular shape on which products (3) can be accumulated, characterized in that it further comprises a feeding device (1) according to any one of claims 1 to 8, positioned so that the receiving conveyor (6) extends along an edge of said less a receiving surface.
    [10" id="c-fr-0010]
    10. Preparation device according to claim 9, characterized in that it further comprises, on the one hand, at least one output conveyor (14) extending along the edge of the at least one receiving surface. opposite to the one where the receiving conveyor (6) extends, and, on the other hand, an output tool (15) for moving the products (3) from the receiving surface to said output conveyor (14). ).
    [11" id="c-fr-0011]
    11. A method of supplying a receiving surface installed between two stations in a line of industrial product processing (3) to the chain, comprising continuously receiving a compact stream of products (3) from the station upstream to the level an input conveyor (5), in particular a flow where the products (3) are in contact one behind the other in a single line, supplying, with the aid of said input conveyor (5), a conveyor of receiving (6) on which the flow retains its compactness, braking until the products (3) on the receiving conveyor (6), preferably stopping progressively the receiving conveyor (6), then release the conveyor receiving (6) by removing the products (3) therein to, on the one hand, subsequently accumulate on a receiving surface, and, on the other hand, allow the receiving conveyor (6) to receive new products (3) Process characterized in that it includes a step, implemented during the braking and release of the products (3) of the receiving conveyor (6), consisting essentially of feeding the compact flow of products (3) of the input conveyor (5) to a means of conveying buffer while maintaining compactness, as well as a subsequent step during which the products (3) which are on the buffer conveying means are released, to, on the one hand, subsequently accumulate on the or a surface of receiving, and, on the other hand, allow the buffer conveying means to receive new products (3).
    [12" id="c-fr-0012]
    12. The method of claim 11, comprising a step of essentially changing the direction of the compact flow of the input conveyor (5) to the receiving conveyor (6) or to the or a buffer conveying means.
    [13" id="c-fr-0013]
    13. The method of claim 11, comprising during the supply of the receiving conveyor (6) with the input conveyor (5), braking until the products (3) on the conveyor means buffer, and release the buffer conveying means by releasing the products (3) by transferring them to a waiting area (11) of the dead plate type, and, during the subsequent feeding of the buffer conveying means, simultaneously transfer to the receiving surface of both products (3) waiting area (11) and products (3) stopped on the receiving conveyor (6) between them.
    [14" id="c-fr-0014]
    14. The method of claim 11, comprising a step consisting essentially in increasing the length of the conveyor between the input conveyor (5) and the receiving conveyor (6) so as to create between them a buffer conveying means receiving the flow. keeping it compact.
    [15" id="c-fr-0015]
    A method according to any one of claims 11 to 14, wherein the compact flow of products (3) of the input conveyor (5) is continuously and cyclically received by the succession of a plurality of conveyors comprising a conveyor receiving means (6) and at least one buffer conveying means, braking and stopping the products (3) for their clearance for accumulation and release of a conveyor accompanied by the reception of the compact flow by the next conveyor.
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    同族专利:
    公开号 | 公开日
    CN106315191A|2017-01-11|
    US20170001810A1|2017-01-05|
    DE202016009068U1|2021-11-15|
    CN106315191B|2021-01-22|
    EP3498638A1|2019-06-19|
    EP3112298A1|2017-01-04|
    EP3112298B1|2019-03-06|
    ZA201604393B|2017-08-30|
    PT3112298T|2019-06-11|
    FR3038307B1|2019-05-31|
    ES2729307T3|2019-10-31|
    CA2934283A1|2016-12-30|
    US9878855B2|2018-01-30|
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    法律状态:
    2016-05-24| PLFP| Fee payment|Year of fee payment: 2 |
    2017-01-06| PLSC| Publication of the preliminary search report|Effective date: 20170106 |
    2017-05-23| PLFP| Fee payment|Year of fee payment: 3 |
    2018-05-25| PLFP| Fee payment|Year of fee payment: 4 |
    2020-05-20| PLFP| Fee payment|Year of fee payment: 6 |
    2021-05-19| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1556106A|FR3038307B1|2015-06-30|2015-06-30|DEVICE AND METHOD FOR SUPPLYING ACCUMULATION|
    FR1556106|2015-06-30|FR1556106A| FR3038307B1|2015-06-30|2015-06-30|DEVICE AND METHOD FOR SUPPLYING ACCUMULATION|
    CA2934283A| CA2934283A1|2015-06-30|2016-06-23|Food accumulation device and method|
    EP16176099.6A| EP3112298B1|2015-06-30|2016-06-24|Device and method for supplying a grouping conveyor|
    EP19153555.8A| EP3498638A1|2015-06-30|2016-06-24|Device and method for supplying a grouping conveyor|
    PT16176099T| PT3112298T|2015-06-30|2016-06-24|Device and method for supplying a grouping conveyor|
    ES16176099T| ES2729307T3|2015-06-30|2016-06-24|Device and method of feeding by accumulation|
    DE202016009068.3U| DE202016009068U1|2015-06-30|2016-06-24|Device for supplying an intermediate conveyor|
    ZA2016/04393A| ZA201604393B|2015-06-30|2016-06-29|Device and method for feeding for accumulation|
    US15/196,464| US9878855B2|2015-06-30|2016-06-29|Device and method for feeding for accumulation|
    CN201610512631.0A| CN106315191B|2015-06-30|2016-06-30|Feeding apparatus and method for accumulation|
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