• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
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    • 专利摘要:
    The invention relates to a conveying device (1) comprising an upstream conveying means (2) for receiving products (3) from at least one upstream station, an accumulation surface (4) along which the upstream conveying means (2), a loading means (5) for moving the products (3) from the upstream conveying means (2) to the accumulation surface, a downstream conveying means (6) for disengaging the products (3) and unloading means (7) for moving the products (3) from the accumulation surface (4) to the downstream conveying means (6). This device is characterized in that the downstream conveyor means (6) comprises a plurality of independent displacement means receiving the products (3) in receiving zones successively distributed from the edge of the accumulation surface (4) opposite to the one along which extends the upstream conveying means (2). The invention also relates to a corresponding method.
    公开号:FR3047981A1
    申请号:FR1651383
    申请日:2016-02-19
    公开日:2017-08-25
    发明作者:Patrick Hutter；Anthony Gehin
    申请人:Gebo Packaging Solutions France SAS；
    IPC主号:
    专利说明:

    CONVEYANCE TO SEVERAL OUTPUTS
    The present invention relates to the industrial processing of chain products in a line of the packaging line type, and is intended, on the one hand, a conveying device and, on the other hand, a method implementing this device.
    In this field, there is a need to create, from a single stream, several different streams that each feed a machine.
    Thus, CA2146444 discloses a solution in which a flow of bulk products is separated into lanes for a single front product, and then, by change of direction, these lanes create flows of several products wide each. There are, however, many problems both in separating a stream staggered up to several corridors that obtaining non-stitched matrices downstream. DE1786484 discloses a solution for dividing a single-line flow into several corridors, from a transfer wheel that releases the products in the corridors. Such a principle, however, does not allow accumulation and only produces large flows of a single product. EP 2402269 proposes for example a solution for diversion to different corridors of a multifilar upstream flow. This principle is based on controlled pushers which deflect the product according to its position. However, it is difficult to adapt such a principle to wide output streams of several products, as well as a large number of parallel streams. In addition, the rate is limited and the possibilities of accumulation null.
    Such diverter-based solutions also have a significant disadvantage when the downstream machines are positioned next to each other. Indeed, it is then necessary to provide curved conveyors which connect a single point to downstream machines that are spaced apart from each other.
    W02014 / 076390 is also known which discloses a solution in which an incoming product flow is transferred transversely to an accumulation surface. The products, lying in longitudinal columns next to each other, are then transferred transversely to an output conveyor. This avoids the need to go through a bulk flow between a single-line circulation and a flow in several corridors.
    To do this, the invention proposes to provide an accumulation surface, lined by the supply of products on one side, and, on the other, by a transverse succession of reception zones where the products can be deposited at each time on a means of autonomous movement, belt conveyor type, trolley or other, each receiving area for feeding a station downstream. The invention thus relates to a conveying device comprising an upstream conveying means for receiving products from at least one upstream station, an accumulation surface along which the upstream conveying means is traveling, a loading means for moving the products from the upstream conveying means to the accumulation surface, a downstream conveying means for disengaging the products, and an unloading means for moving the products from the accumulation surface onto the downstream conveying means .
    This device is characterized in that the downstream conveying means comprises a plurality of independent displacement means receiving the products in receiving zones successively distributed from the edge of the accumulation surface opposite to that along which the means extends. upstream conveyor. The invention also relates to a method implemented by this device, namely a method of conveying products circulating on an upstream conveying means which drives them in a single-wire column along a conveying direction, then on a means parallel downstream conveying apparatus, comprising steps of loading an accumulation surface by transversely pushing the products therefrom from the upstream conveying means, discharging the accumulation surface by transversely moving the products onto the downstream conveying means, disengaging the products thanks to the movement of the downstream conveying means.
    This method is characterized in that the downstream conveyor means comprises a plurality of independent displacement means, the products being batch-unloaded on one or other of these independent means of displacement. 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. embodiment of the invention wherein the output conveyors are directly against each other; - Figure 2 shows an embodiment where two output conveyors are separated by a transfer surface; - Figure 3 shows an embodiment with output conveyors that can flow in both directions; FIG. 4 illustrates possible cycles for the tools of the unloading means; FIG. 5 shows a configuration with several stations upstream and several stations downstream; - Figure 6 finally shows a section with a tool for loading and a tool for unloading. The invention therefore firstly relates to a conveying device 1 comprising an upstream conveying means 2 for receiving products 3 from at least one upstream station, an accumulation surface 4 along which the conveying means circulates. upstream 2, a loading means 5 for moving the products 3 from the upstream conveying means 2 to the accumulation surface, a downstream conveying means 6 for disengaging the products 3, and an unloading means 7 for moving the products 3 from the accumulation surface 4 to the downstream conveying means 6. The accumulation surface 4 is between, on the one hand, the upstream conveying means 2 and, on the other hand, the means of downstream conveyance 6.
    The products 3 are preferably one behind the other in a single-column, and therefore without quinconcage, column of one or more products 3 wide, with a gap between them, possibly uncontrollable, or in contact.
    The upstream conveying means 2 extends against the accumulation surface 4 and takes the form of at least one endless belt conveyor, on the surface of which the products 3 are placed. The upstream conveying means 2 may extend beyond the accumulation surface 4 to possibly feed another. The conveying device 1 may in fact be provided with a plurality of different accumulation surfaces 4, distributed along the upstream conveying means 2, on one side or the other.
    The accumulation surface 4 may be a dead plate or a conveyor which moves the products 3 perpendicularly to the upstream conveying means 2.
    The loading means 5 operates by sweeping on products 3 then immobile on the upstream conveying means 2, and thus pushes the products 3 transversely on the accumulation surface 4 against which the upstream conveying means 2 passes. The products 3 are therefore stopped when the loading means 5 acts, and a buffer solution may be provided to ensure a continuous product flow 3 upstream of the conveying device 1, while the products 3 must regularly be stopped.
    The upstream conveying means 2 thus causes the products 3 in a conveying direction 11 and the same goes for the downstream conveying means 6, which is on the other side of the accumulation surface 4 with respect to the upstream conveyor 2. They therefore form parallel conveying solutions on one side or the other of the accumulation surface 4. The loading of products 3 on the at least one accumulation surface 4 is for a section of the flow in the conveying direction 11 and thus a batch of products 3, and the unloading of the at least one accumulation surface 4, at the opposite side, on the downstream conveying means 6, is also done for a section of products. 3 in this direction, preferably for a section of the same length, or even the same width.
    An advantage of this configuration is that it is possible to discharge on the downstream conveying means 6 products 3 which are organized in several columns according to the conveying direction 11, each one single of a single product 3 wide, one next to the other, and therefore without any quinconcage or nesting of the products 3. The problems and difficulties associated with the removal of this quinconcage for supplying a downstream apparatus in which the products 3 circulate in corridors, such as a shrinkwrapper, are then avoided. for example.
    The unloading means 7 can slide on the downstream conveying means 6 several longitudinal rows of products 3 simultaneously, in particular two segments side by side of a product 3 wide each.
    The loading means 5 and the unloading means 7 may have a cap, moved by a multiaxis actuator and which comes on the products 3, or at the level of the upstream conveying means 2 to slide on the at least one surface of accumulation 4 transversely to the conveying direction 11, or at the level of the at least one accumulation surface 4 to slide on the downstream conveying means 6, again transversely to the conveying direction 11. Such a cap comes on the 3 products to be processed from the top. It may also be a simple pusher, in which case, such a pusher can simply approach the products 3 by their side, parallel to the common plane of the accumulation surface 4, the upstream conveying means 2 and the means of downstream conveyance 6. A flush mounting avoids unbalancing the products 3 when traveling to or from the accumulation surface 4. The action on the products 3 of the loading means 5 and the unloading means 7 is essentially a thrust planar, preferably linear, parallel to the plane of the accumulation surface 4. Both the loading means 5 and the unloading means 7 may comprise an articulated robot and / or a set of slides to move along the action to perform on the products 3.
    The upstream conveying means 2 and the downstream conveying means 6 may each have a plurality of different conveyor belts, each being set in motion by a dedicated engine, so that the speed of circulation of these belts, and thus of said means , is variable and controllable.
    According to the invention, the downstream conveying means 6 comprises a plurality of independent displacement means receiving the products 3 in reception zones successively distributed from the edge of the accumulation surface 4 opposite to that along which extends the upstream conveying means 2, in particular independent déaplement means in the form of independent mobile carriages, or output conveyors 8, of the conveyor belt type, each then being preferably motorized and controllable in its movement in a manner independent of the others . The downstream conveying means 6 has a plurality of independent displacement means which follow one another perpendicularly to the conveying direction 11, permanently or at least during the discharge of the products 3 onto it.
    Thus, according to an additional possible feature, at least one independent displacement means takes the form of an autonomous mobile carriage, which, to receive the products 3 of the unloading means 7, is placed temporarily in one of the receiving areas , and moves to clear them. According to another possible additional, combined or alternative characteristic, at least one independent displacement means takes the form of an independent linear output conveyor 8 extending from one of the receiving zones.
    The downstream conveying means 6 forms the outlet of the conveying device 1 and enables it to bring the products 3 to the downstream station, to which it must supply them. The at least one output conveyor 8 that comprises the downstream conveyor means 6 is preferably connected to the input of a processing station ensuring the continuation of the process, directly or through at least one other conveyor.
    The output conveyors 8 are next to each other, as shown in the figures, and the same is true for the receiving zones from which they extend or from which the carriages can receive the products 3. The reception zones and the output conveyors 8 follow one another transversely to the conveying direction 11, starting from the edge of the at least one accumulation surface 4 opposite to that where the upstream conveying means 2 is traveling. upstream conveying means 2, made of one or more conveyors, is on one side of the accumulation surface 4, while the downstream conveying means 6, formed by several independent means of displacement, is located other side of this surface.
    Each output conveyor 8 can be moved independently, and the same goes for trolleys. This thus makes it possible to discharge the contents of the at least one accumulation surface 4 onto one or the other of the displacement means.
    The conveying device 1 thus has a product inlet 3, in the form of the upstream conveying means 2, and a plurality of parallel product outlets 3 in the form of a downstream conveying means 6 comprising several independent output conveyors 8, or generally displacing means receiving the products 3 from receiving areas distributed transversely from the edge of the accumulation surface 4. The unloading means 7 thus deposits the products 3 on one or the other of the conveyors of exit 8 or one or other of the carriages, each time in a batch of a single column or of several columns next to each other.
    An output conveyor 8 can be set in motion while another is stopped, etc. This allows the unloading means 7 to deposit products 3 on an output conveyor 8 at a stop or at a very low speed, whereas another output conveyor 8, on which it has deposited products 3 in advance, circulates at a different speed to release the products 3 that rely on him to a downstream processing station.
    It will be noted that at each cycle, the unloading means 7 treats the products 3 closest to the edge of the accumulation surface 4 where the downstream conveying means 6 is located. It deposits them on one or more moving means of the Downstream conveying means 6. As these conveyors 8 are one after the other, bringing the products 3 to one of them may require to circulate on at least one other means of forward movement.
    The conveying device 1 preferably has a control unit for supervising and coordinating the operation of the upstream conveying means 2, and / or the loading means 5 and / or the unloading means 7 and / or the downstream conveying means 6 c that is to say of the various means of displacement that it comprises. As will be further specified later, it is conceivable that at least one of the output conveyors 8 can flow in both directions along its direction, which for example can be done by providing two engines for such a conveyor .
    According to an additional possible feature, the unloading means 7 is able to deposit products 3 in at least two different receiving zones. The unloading means 7 thus operates in a cyclic manner, and extracts products 3 from the at least one accumulation surface 4 to deposit them on a moving means, then returns to obtain products 3 on said surface to deposit them on a means moving, possibly another, etc. Of course, the number of products 3 treated can change each time.
    As the receiving zones follow each other transversely to the conveying direction 11, the products 3 can be made to pass on another moving means before reaching the one on which they will be released.
    Preferably, the unloading means 7 is formed by a set of horizontal slideways, thus parallel to the horizontal plane in which the accumulation surface 4, the upstream conveying means 2 and the downstream conveying means 6, on which is mounted a movable gantry along these transverse slides to the conveying direction 11, a tool cooperating with these products 3 being mounted movable at least vertically, or even in the conveying direction 11, to act on the products 3, in pushing them from the side, after possibly wearing them from above for a better grip. The unloading tool 7, however, preferably does not raise the products 3, which allows to maintain a light and dynamic tooling. These slides extend preferably on all the downstream conveying means 6 and thus the set of successive reception zones.
    Such a construction is also conceivable for the loading means 5, the slides then of course extending at the level of the upstream conveying means 2.
    According to a possible additional feature of the conveying device 1, it comprises, for at least one pair of successive reception zones, a transfer surface 9 mounted between them, in particular a transfer surface 9 mounted between two exit conveyors 8. FIG. 1 shows the case of receiving zones or output conveyors 8 directly one after the other perpendicular to the conveying direction 11, while Figure 2 shows an embodiment with a transfer surface intercalated.
    The transfer surface 9 is located at the same level as the two output conveyors 8 between which it is located, these two conveyors being at the same height, or at the same level as the carriages arriving and departing from the receiving area. The conveying device 1 therefore has a receiving surface with successive elements flush, namely the upstream conveying means 2, the accumulation surface 4, the output conveyors 8 or the upper surface of the carriages, and the surfaces transfer 9.
    The transfer surface 9 is thus between two output conveyors 8, so as to form, transversely to the conveying direction 11, an alignment of an exit conveyor 8, a transfer surface 9, and then another exit conveyor 8. The same applies to trolleys, if any.
    The at least one transfer surface 9 may be a dead plate, which therefore does not lead to the products 3, or a particularly reduced adhesion plate such as with an air mattress or free balls in rotation, or a surface which drives the products 3 transversely to the conveying direction 11, for example a moving belt. The advantage of having such a transfer surface 9 is that it is possible to have linear and parallel output conveyors 8, thus simple and inexpensive, each directly connected to a post downstream. The implantation is such that the pitch between the downstream stations is repeated at the level of the output conveyors 8, which therefore allows an optimal line configuration, with a conveying device 1 which distributes the products 3 that it receives on an upstream conveying means 2 to different stations downstream, with different parallel output conveyors 8 and spaced so as to repeat the spacing of said stations.
    In the conveying device 1, the products 3 thus undergo plane movement from the upstream conveying means 2, the accumulation surface 4, the exit conveyors 8 or trolleys and the transfer surfaces 9. The transfer surface 9 to flower avoids having to lift the products 3 to bring up to an exit conveyor 8 right and remote, and thus allows to use a light and dynamic tooling.
    Such a transfer surface 9 may also serve to receive products 3 to be deposited on a moving means even further, and then to realize the unloading means 7 in the form of two tools 10 which work simultaneously, the first bringing products 3 that will treat the other while the first charge the following ones, etc. The cycle times can thus be reduced, or in other words the size of the conveying device 1 transversely to the conveying direction 11 can be greatly increased and brought into line with the arrangement and the spacing of the stations downstream.
    Thus, according to an additional possible feature, the unloading means 7 is able to drop products 3 on the at least one transfer surface 9. It thus exerts a plane movement, parallel to the at least one accumulation surface 4, on the products 3 from the at least one accumulation surface 4 to the transfer surface 9. Once arrived on the transfer surface 9, the tool which it is provided to come into contact with the products 3 rises up to high enough to again make a return movement to the accumulation surface 4, parallel to it, without touching the products 3 and therefore being higher than them. During this time, another tool 10 of the unloading means 7 grasps the products 3 waiting on the transfer surface 9 and brings them to the target means of displacement.
    The products 3 are therefore deposited at a standstill by the first tool 10 while awaiting their treatment by the second tool 10. The products 3 are stationary on a transfer surface 9, but could also be deposited by the first tool 10 on a moving means then preferably immobile.
    The unloading means 7 may comprise more than two tools 10 which work one after the other on the products 3 to ensure their removal on the predefined displacement means from the plurality of the downstream conveying means 6. the working amplitude of each tool 10 of the unloading means 7 may be all or part of the wheelbase of the conveying device 1 perpendicular to the conveying direction 11.
    Thus, in certain embodiments, the unloading means 7 comprises a single tool 10, which can release products 3 in each of the receiving zones, and, where appropriate, on each transfer surface 9. The unloading means 7 is therefore relatively simple. The same tool 10 can therefore be circulated over one or more moving means before reaching the one where it must deposit the products 3.
    In other embodiments, the unloading means 7 comprises at least two separate tools 10, which successively process the products 3, namely a first tool 10 able to search for products 3 on the at least one accumulation surface 4, and at least one second tool 10 capable of depositing the products 3 on a moving means, carriage or exit conveyor 8. The unloading means 7 brings the products 3 onto at least one of the displacement means by virtue of the successive action several tools 10. The first tool 10 of this succession releases the products 3 of the at least one accumulation surface 4, and the last tool 10 deposits the products 3 on a moving means.
    The unloading means 7 may have more tools 10, such as a third intermediate tool 10 which searches for the products 3 downstream of the accumulation surface 4 and deposits them upstream of the target moving means.
    Each tool 10 can be moved independently of the other tools 10. The various tools 10 can be moved on the same set of rails or rail.
    According to another possible additional feature, at least one transfer surface 9 forms a buffer zone where products 3 can be stored temporarily between the accumulation surface 4 and the independent displacement means which releases them. Thus, the unloading means 7 acts in two steps to bring the products 3 onto the displacement means concerned. This also means that the unloading means 7 can simultaneously manage several batches of products 3 to bring them to the right moving means, each batch corresponding to a group of products 3 initially extracted at one time from the accumulation surface 4.
    The products 3 therefore pass through at least one intermediate buffer zone between the accumulation surface 4 and the targeted displacement means. Of course, bringing the product group 3 on the right moving means is possibly with more than two tool maneuvers 10.
    In some conceivable cases, the at least one transfer surface 9 is a motorized drive surface and drives the products 3 transversely toward the independent moving means. Thus, the transfer surface 9 moves the products 3 transversely to the conveying direction 11, in particular between two displacement means, carriages or exit conveyors 8.
    In certain possible configurations, the at least one output conveyor 8 can circulate, as the case may be, in one or the other direction, notably thanks to a pair of drive motors each working at one end of the closed loop that It is thus possible to obtain line implantations with downstream stations distributed on one side or the other of an axis formed by the succession of the output conveyors 8 and transfer surfaces. 9, in the extension of the accumulation surface 4.
    It is understood from this description that the conveying device 1 has a distribution function between one or more input channels and several output channels, each output channel being fed at a receiving area. It can also have a function of accumulation between the at least one input and the outputs, thanks to an accumulation surface 4, or even at least one transfer surface 9. The invention also relates to a method implementing the device as described above, namely a method of conveying products 3 flowing on an upstream conveying means 2 which drives them in a single-wire column along a conveying direction 11, then on a downstream conveying means 6 parallel , comprising steps of - loading an accumulation surface 4 by transversely pushing the products 3 from the upstream conveying means 2, - discharging the accumulation surface 4 by transversely moving the products 3 on the downstream conveying means 6 - Release the products 3 through the movement of the downstream conveying means 6, in particular disengage them in a single single column or in several single-row columns next to each other.
    The products 3 evolve in parallel on the upstream and downstream conveying means 6, arranged along opposite edges of the accumulation surface 4.
    According to the invention, the downstream conveying means 6 comprises a plurality of independent displacement means, the products 3 being batch unloaded on one or the other of these independent displacement means, in particular in the form of exit conveyors 8 or carts. The batches loaded on the accumulation surface 4 by the loading means 5 may correspond to the batches subsequently discharged by the unloading means 7, or even correspond to the batches released by the downstream conveying means 6. It is of course conceivable that the products 3 be treated as a size group each time different.
    The upstream conveying means 2, the downstream conveying means 6, or the transfer surfaces 9, are therefore in the extension of the accumulation surface 4, perpendicular to the conveying direction 11. Once stopped on the means upstream conveying 2, the products 3 undergo, thanks to the successive action, on the one hand, the loading means 5, then, on the other hand, the unloading means 7, or even the accumulation surface 4 if it is a power unit and / or the transfer surface or surfaces 9, if appropriate, a movement perpendicular to the conveying direction 11 to the downstream conveying means 6 and then a movement in the conveying direction 11 thanks to the downstream conveying means 6.
    The at least one accumulation surface 4 thus separates the upstream conveying means 2 from the downstream conveying means 6. The unloading means 7 extracts the products 3 from the accumulation surface 4 and arranges them in groups distributed transversely to the direction conveyor 11, on a moving means, in a receiving zone, or temporarily on a transfer surface 9.
    A step may thus consist in defining the exact location where the unloading means 7 drops the products 3 temporarily or permanently, namely one of the specific displacement means, or the transfer surface or surface 9.
    According to an additional possible feature, the release of products 3 from the accumulation surface 4 to the independent displacement means consists of several successive cycles of transverse displacement, each executed by a different tool 10, so that at each cycle, the products 3 are successively approximated to the targeted means of displacement. It is thus possible that the removal of the products 3 at the right place is done by tools 10 working in parallel, which reduces the cycle time.
    Finally, according to another possible additional feature of the method, it comprises, between two cycles of displacement, at least one additional step of accumulation of products 3 after they are taken on the accumulation surface 4 and before being deposited on a moving means. independent, in particular a step of accumulation on a means of displacement at a standstill, carriage or exit conveyor 8, or even a step of accumulation on a transfer surface 9 located between the accumulation surface 4 and the means of displacement, the products 3 then being taken to the accumulation surface 4 and then released on the transfer surface 9 by the unloading means 7, then again taken on the transfer surface 9 and released on the moving means.
    In the embodiment illustrated in FIG. 1, the conveying device 1 has an upstream conveying means 1 in the form of a single conveyor belt, or an input conveyor 12. The products 3 are of the bottle, can, pocket, or other bottle having a high height relative to its base and thus being unstable, or the box or box type, which can then be much more stable. In general, the product 3 is a container or not.
    The products 3 rest on the mobile input conveyor 12, and are therefore driven by him. The upstream conveying means 2 is essentially linear and moves the products 3 along a conveying direction 11. It extends along an edge of an accumulation surface 4.
    This accumulation surface 4 is preferably substantially rectangular, with two edges parallel to the conveying direction 11 and two perpendicular edges. The upstream conveyor means 2 extends along one of the edges parallel to the conveying direction 11. The products 3 are embarked on the upstream conveying means 2 one behind the other, in a wide column of a single product 3, or a wide column of several products 3. The products 3 may also be loose and have different orientations for each of them.
    The conveying device 1 may have a plurality of accumulation surfaces 4, which then runs together each time the upstream conveying means 2. FIG. 5 shows, for example, a conveying device 1 with an upstream conveying means 2 comprising two conveyors 12, two accumulation surfaces 4, and a downstream conveying means 6 comprising three output conveyors 8.
    The conveying device 1 also comprises a loading means 5, which serves to move products 3 from the upstream conveying means 2 to the at least one accumulation surface 4. The products 3 are thus stopped when they have to be moved on the accumulation surface 4. They then form a stationary batch which extends against one side of the accumulation surface 4. The loading means 5 then pushes the batch of products 3 from the conveying means upstream of the accumulation surface 4. This action is essentially perpendicular to the conveying direction 1. A batch of products 3 formed of a column section of at least one product 3 wide is scanned transversely up to the accumulation surface 4.
    It will be noted that the upstream conveying means 2 may comprise an accumulation solution which makes it possible to combine, on the one hand, a continuous stream upstream, and, on the other hand, the stopping of the products 3 for their transverse transfer by sweeping up to the accumulation surface 4.
    The products 3 loaded by transverse scanning from one side of the accumulation surface 4 along which the upstream conveying means 2 flows are released on the accumulation surface 4 somewhere between this side and the opposite side, in particular as a function of the production needs and products 3 already present. The advantage of such accumulation by transverse scanning is that the products 3 accumulate little by little without stitching between the successive batches, in the form of a flow of greater width than that on the upstream conveying means 2.
    The conveying device 1 also has an unloading means 7 which aims to bring products 3, present on the accumulation surface 4, onto a downstream conveying means 6, through which they are disengaged and brought downstream of the Conveying 1. As shown in the attached figures, the downstream conveying means 6 comprises a plurality of separate output conveyors 8, which can therefore be controlled independently of each other. In some embodiments, the downstream conveying means 6 comprises independent carriages, or even a combination of output conveyors 8 and carriages. The products 3 are fed to the downstream conveying means 6 at exit zones where, temporarily or permanently, the independent displacement means, carriages or exit conveyors 8 are located.
    Each moving means, carriage or exit conveyor 8, has a speed of its own, so that it can be in motion or stopped, regardless of the state of the other moving means. Each output conveyor 8 is connected to a downstream processing station that it feeds. Thus, the conveying device 1 can feed several downstream stations independently each time, by means of displacement 8 which are specific to each time, and therefore operating with a rate related to the needs of said station.
    Of course, to facilitate regulation and control, a succession of several conveyors is possible to feed the same post downstream. The downstream station is thus fed by an output conveyor 8 directly or through at least one other conveyor.
    The products 3 are deposited on the output conveyor 8 in the form of a batch of a product 3 wide or several products 3 wide, and long, in the conveying direction 11 about the length of the surface of the product. 4. The batch configuration may vary for each moving means, one being provided with a batch of one product 3 wide, another with two products 3 wide, etc.
    As shown in the appended figures, the downstream conveying means 6, and therefore all the exit conveyors 8 which constitute it and the reception zones from which the moving means travel, extend against the edge of the accumulation surface 4 opposite that where the upstream conveying means 2 is located. The batches of products 3 loaded on the accumulation surface 4 thus have the same dimension in the conveying direction 11 as the batches of products 3 discharged. on the downstream conveying means 6.
    The upstream conveying means 2, the accumulation surface 4 and the downstream conveying means 6, in particular its receiving zones, thus succeed each other transversely to the conveying direction 11.
    The unloading means 7 operates by coming over the products 3 which are on the accumulation surface 4, along the edge opposite the one where the upstream conveying means 2 is located. Like the loading means 5, it then pushes by a parallel movement to the accumulation surface 4 to the downstream conveying means 6.
    The unloading means 7 pushes a batch of at least one product 3 wide from the accumulation surface 4 onto one of the particular moving means, according to the needs of the downstream machinery park. The unloading means 7 thus each time extracts a batch of products 3 and deposits it on one of the moving means, in the form of a carriage or an exit conveyor 8. At each cycle, the unloading means 7 searches for a batch and depositing on a moving means which can be different each time. Of course, the batch of products 3 extracted from the accumulation surface 4 during a cycle can be deposited in successive portions on several different displacement means.
    For example, the loading means 5 can feed the accumulation surface 4 with batches of one or two products 3 wide, while the unloading means 7 extracts at each cycle a batch of products 3 of four, six or more products 3 wide, which then allows to directly feed several wrapping machines for example.
    In other words, the unloading means distributes, on different parallel output conveyors 8, the products 3 that it extracts from the accumulation surface 4, and thus distributes them in several successive reception zones.
    FIG. 3 shows that the output conveyors 8 or displacement means, or reception zones, can be separated by transfer surfaces 9. In the direction perpendicular to the conveying direction 11, the succession of a upstream conveying means 2, an accumulation surface 4, and moving means and transfer surfaces 9, these elements being flush. The advantage of such a transfer surface 9 is the possibility of providing exit conveyors 8 which are parallel to each other, arranged spaced apart with the same pitch as that of the stations downstream of the conveying device 1. Downstream of the conveying 1, an island of treatment stations can indeed be installed. These stations are then next to each other, in particular perpendicular to the conveying direction 11. They are arranged with a certain pitch, defined by their structure, and for the sake of simplicity of conveying, it is then advantageous to provide for feed them, linear conveyors, without curve.
    This results in a series of output conveyors 8 of the conveying device 1 which are linear, parallel to each other, arranged successively perpendicularly to the conveying direction 1 with a pitch which reproduces the pitch of the stations of the powered island. To avoid curvatures for the output conveyors 8, the conveying device 1 then has transfer surfaces 9 between the output conveyors 8, so that they are linear and repeat the pitch of the island. The set of exit conveyors 8 and the at least one transfer surface 9 is flush and then forms a plane on which the unloading means 7 slides the products 3 which it extracts from the accumulation surface 4.
    As the unloading means 7 does not lift the products 3 of this plane, a batch deposited on an output conveyor 8 must however not prevent access to an exit conveyor 8 further in this scanning movement. One solution is for example to ensure that the batch deposited is cleared early enough not to hinder the passage of the next batch. The displacement means on which the unloading means 7 has brought the products 3 then starts moving while the unloading means 7 is going to look for another batch of products 3 to be deposited on a moving means located in a receiving zone beyond.
    The transfer surface 9 can serve as an accumulation zone. For example, products 3 can be deposited there before being taken back later to be brought on the output conveyor 8 referred to. This may be necessary if, in view of the process requirements, the unloading means 7 does not have time to bring the batch of products 3 to an exit conveyor 8 too far away. This may also be necessary to create on the transfer surface 9 a lot larger than that extracted from the accumulation surface 4, for example.
    The unloading means 7 thus acts downstream of the at least one accumulation surface 4 to extract products 3 in batches and finally deposit them on one or the other means of displacement of the downstream conveying means 6, at the reception areas.
    The unloading means 7 has at least one tool 10 that can move perpendicularly to the conveying direction 1, along the exit conveyors 8 and any transfer surfaces 9. This tool caps the products 3 to be extracted from the surface 4 by a movement perpendicular to said surface, then shifts them by a movement parallel to said surface, perpendicular to the conveying direction 11. The tool 10 then emerges upwards from the products 3 that it deposits and returns for a new cycle.
    The unloading means 7 can thus have a single tool 10, the range of motion of which enables it to reach all the receiving zones and the possible at least one transfer surface 9.
    In some embodiments, the unloading means 7 has a plurality of different tools 10, particularly tools 10 which work one after the other. Thus, the products 3 are extracted from the accumulation surface 4 during the work cycle of a first tool 10. They are deposited on a transfer surface 9 or a moving means, and are then taken by a Another tool 10 of the unloading means 7. Finally, a tool 10 deposits them on the desired output conveyor 8. It is thus possible to have several tools 10 which work in masked time with respect to each other, which is advantageous when the paths to be traveled for the products 3 are possibly long transverse to the conveying direction 11.
    FIG. 4 thus shows possible operating cycles for two tools 10: a loading cycle for the loading means 5, between the upstream conveying means 2 and the accumulation surface 4, an unloading cycle between the surface of accumulation 4 and a transfer surface 9, then a second unloading cycle from this transfer surface 9 into the final receiving area.
    In this figure, the loading means 5 has an operating cycle at the upstream conveying means 2 and the accumulation surface 4 in the vicinity. The unloading means 7 has two tools 10. The first tool 10 can search the products 3 on the accumulation surface 4 and deposit them, after a short cycle, directly on the moving means 8 against the accumulation surface 4. It may also have a slightly longer cycle, not shown, and deposit the products 3 on a transfer surface 9 just after this moving means. With a still slightly larger cycle, this same tool 10 deposits the products 3 on the next transfer surface 9. The other tool 10 can then recover the products 3 on this transfer plate 9, on which they possibly accumulate, and bring them onto the output conveyor 8 just after, or bring them to the last output conveyor 8, again after the third transfer surface 9.
    In the case where the unloading means 7 works with several successive tools 10, the products 3 can be placed on hold between two tools 10 on a transfer surface 9 or in a reception zone, waiting, then stopped on moving means.
    In the configuration of Figure 5, the conveying device 1 provides the connection between two stations upstream and three stations downstream. The upstream conveying means 2 has two different input conveyors 12, each bringing the products 3 of a single machine. The conveying device 1 comprises a plurality of accumulation surfaces 4: one of them is against one of the input conveyors 12, two others are against the other input conveyor 12, each on one side.
    The downstream conveying means 6 comprises three output conveyors 8 and a transfer surface 9: from the first input conveyor 12, an exit conveyor 8 directly after one of the accumulation surfaces 4, then a surface of transfer 9, another output conveyor 8; from the second input conveyor 12, an output conveyor 8 located against each accumulation surface 4 that it runs.
    It will be noted that it is thus possible for the same reception zone to be fed by different input conveyors 12, and therefore by different upstream machines, each machine possibly supplying different products 3.
    Thanks to the invention, it is thus possible to feed, from a single product stream, different machines located downstream in a controlled manner. The quincunx between products is avoided, and each machine can have its own input stream size. A particularly interesting application may be between an upstream machine that delivers finished products to the unit, such as a plastic bottle blower, and haulage stations requiring products 3 organized in separate product corridors.
    The unloading means 7 can comprise a set of slides perpendicular to the conveying direction 11 and parallel to the accumulation surface 4. These slides can extend over all the succession of reception zones where they come from or are located the displacement means, possibly with at least one transfer surface 9. The same slide clearance can be used for several tools 10 having zones of action successively distributed perpendicularly to the conveying direction 11.
    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 (14)
    [1" id="c-fr-0001]
    Conveyor device (1) comprising an upstream conveying means (2) for receiving products (3) from at least one upstream station, an accumulation surface (4) along which the upstream conveyor means ( 2), a loading means (5) for moving the products (3) from the upstream conveying means (2) to the accumulation surface, a downstream conveying means (6) for disengaging the products (3), and unloading means (7) for moving the products (3) from the accumulation surface (4) to the downstream conveying means (6), characterized in that the downstream conveying means (6) comprises a plurality of independent moving means receiving the products (3) in reception areas sequentially distributed from the edge of the accumulation surface (4) opposite to that along which the upstream conveying means (2) extends.
    [2" id="c-fr-0002]
    2. Conveying device (1) according to claim 1, wherein at least one independent displacement means takes the form of a self-propelled mobile carriage, which, to receive the products (3) of the unloading means (7), comes place temporarily in one of the receiving areas, and move to clear them.
    [3" id="c-fr-0003]
    3. Conveying device (1) according to any of claims 1 or 2, wherein at least one independent moving means takes the form of an independent linear output conveyor (8) extending from one of the receiving areas.
    [4" id="c-fr-0004]
    4. Device according to claim 3, wherein the at least one output conveyor (8) can flow, as the case may be, in one or the other direction.
    [5" id="c-fr-0005]
    5. Device according to any one of claims 1 to 4, characterized in that the unloading means (7) is able to deposit products (3) in at least two different receiving areas.
    [6" id="c-fr-0006]
    6. Device according to any one of claims 1 to 5, characterized in that it comprises, for at least one pair of successive reception zones, a transfer surface (9) mounted between them.
    [7" id="c-fr-0007]
    7. Device according to claim 6, wherein the unloading means (7) is able to drop products (3) on the at least one transfer surface (9).
    [8" id="c-fr-0008]
    8. Device according to any one of claims 1 to 7, wherein the unloading means (7) comprises a single tool (10), which can release products (3) in each of the receiving areas.
    [9" id="c-fr-0009]
    9. Device according to any one of claims 1 to 7, wherein the unloading means (7) comprises at least two separate tools (10), which successively process the products (3).
    [10" id="c-fr-0010]
    Device according to claim 9, wherein at least one transfer surface (9) forms a buffer zone where products (3) can be stored temporarily between the accumulation surface (4) and the independent displacement means which must clear them.
    [11" id="c-fr-0011]
    11. Device according to claim 10, wherein the at least one transfer surface (9) is a motorized drive surface and drives the products (3) transversely towards the independent displacement means.
    [12" id="c-fr-0012]
    12. A method of conveying products (3) circulating on an upstream conveying means (2) which drives them in a single-wire column along a conveying direction (11), then on a downstream conveying means (6) parallel, comprising steps of - loading an accumulation surface (4) by transversely pushing the products (3) from the upstream conveying means (2), - discharging the accumulation surface (4) by transversely moving the products ( 3) on the downstream conveying means (6), - releasing the products (3) by the movement of the downstream conveying means (6), characterized in that the downstream conveying means (6) comprises a plurality of means for independent movements, the products (3) being batch unloaded on one or the other of these independent means of displacement.
    [13" id="c-fr-0013]
    Method according to claim 10, wherein the release of products (3) from the accumulation surface (4) onto the independent displacement means is composed of several successive cycles of transverse displacement, each executed by a tool (10). different.
    [14" id="c-fr-0014]
    Method according to Claim 11, characterized in that it comprises, between two cycles of movement, at least one additional step of accumulation of products (3) after they are taken on the accumulation surface (4) and before they are removed. on an independent moving means.
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    同族专利:
    公开号 | 公开日
    EP3416903A1|2018-12-26|
    DE202017007470U1|2021-10-18|
    CN108698771A|2018-10-23|
    CA3012261A1|2017-08-24|
    US10442635B2|2019-10-15|
    ZA201805514B|2019-06-26|
    CN108698771B|2021-05-25|
    US20190039835A1|2019-02-07|
    FR3047981B1|2019-10-04|
    WO2017140992A1|2017-08-24|
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    法律状态:
    2017-01-23| PLFP| Fee payment|Year of fee payment: 2 |
    2017-08-25| PLSC| Publication of the preliminary search report|Effective date: 20170825 |
    2018-01-23| PLFP| Fee payment|Year of fee payment: 3 |
    2019-01-23| PLFP| Fee payment|Year of fee payment: 4 |
    2020-01-22| PLFP| Fee payment|Year of fee payment: 5 |
    2021-01-20| PLFP| Fee payment|Year of fee payment: 6 |
    2022-01-19| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1651383|2016-02-19|
    FR1651383A|FR3047981B1|2016-02-19|2016-02-19|CONVEYANCE TO SEVERAL OUTPUTS|FR1651383A| FR3047981B1|2016-02-19|2016-02-19|CONVEYANCE TO SEVERAL OUTPUTS|
    CN201780011961.4A| CN108698771B|2016-02-19|2017-02-17|Delivery system with multiple outlets|
    CA3012261A| CA3012261A1|2016-02-19|2017-02-17|Conveying system with a plurality of outlets|
    DE202017007470.2U| DE202017007470U1|2016-02-19|2017-02-17|Multiple outlet conveyor system|
    EP17710594.7A| EP3416903A1|2016-02-19|2017-02-17|Conveying system with a plurality of outlets|
    US16/076,665| US10442635B2|2016-02-19|2017-02-17|Conveying device having several outputs|
    PCT/FR2017/050361| WO2017140992A1|2016-02-19|2017-02-17|Conveying system with a plurality of outlets|
    ZA2018/05514A| ZA201805514B|2016-02-19|2018-08-17|Conveying system with a plurality of outlets|
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