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    • 专利摘要:
    PACKING MACHINE FEEDING DEVICE The present invention relates to a feeding device for feeding products (12a-k) and / or stacks of products (14a-k) in a packaging process for a packaging machine (16a , 16d-k), especially a horizontal tubular packaging machine, with at least one guide unit (20a-k) executed as a closed handle (18a, 18c-k), on which a plurality of transport elements are arranged ( 22a-k) at least along at least one working section (24a, 24c-d, 24f-k) of the guide unit (20a-d, 20f-k) that can be controlled independently of each other in speed and / or position . It is proposed that at least one transport element (22a-k) has a support (26a-k) and at least one transport element (22a-k) following the direction of transport (28a, 28c-k) of a counter-support (30a-k).
    公开号:BR112014031240B1
    申请号:R112014031240-0
    申请日:2013-05-03
    公开日:2021-01-12
    发明作者:Markus Landholt；Philipp Kathan；Hansruedi Wanner；Marc Hurni；Alfred Wipf
    申请人:Robert Bosch Gmbh；
    IPC主号:
    专利说明:

    TECHNICAL STATUS
    [001] WO 03/105324 already provides feeding devices for feeding products and / or stacks of products to a packaging machine packaging process, especially a horizontal tubular packaging machine, with at least one guide unit carried out as a closed circuit, on which a plurality of transport elements are arranged at least along at least one working segment of the guide unit which can be actuated independently of each other and regulated in speed and / or positioning. The transport elements carry a product and / or a stack of products respectively. Products are supported unilaterally when transported. Bilateral support requires shaped parts adapted to a product length, which when changing the product length must be changed and / or adjusted. DESCRIPTION OF THE INVENTION
    [002] The present invention relates to a feeding device for feeding products and / or stacks of products to a packaging machine packaging process, especially a horizontal tubular packaging machine, with at least one guide unit carried out as a closed circuit, on which a plurality of transport elements are arranged at least along at least one working segment of the guide unit which can be actuated independently of each other and regulated in speed and / or position.
    [003] It is proposed that at least one transport element has a support and at least one transport element opposite a direction of transport or a counter-support. A counter-support can be arranged on a transport element following in the direction of transport a transport element having a support, preferably in the next transport element next in the direction of transport. By a "transport direction" it is to be understood in this context especially that direction along the guide unit, where the transport elements are in the circuit when feeding products. The feeding device can be specially designed to synchronously introduce products and / or product stacks in the packaging process at a pre-defined distance and at a speed adapted to the packaging process. By a "product" is meant in this context an object to be packed or a package, which contains at least one object. A packaging can in this context be especially a film packaging, such as a tubular bag, or a tray. An object can be especially a foodstuff in pieces, preferably a biscuit, especially a biscuit in the shape of a plate. The feeding device can preferably be provided to introduce objects and / or trays and / or film packages, which contain objects, and / or a stack of objects and / or trays and / or film packages into the packaging process. By a "product stack" it should be understood in this context especially a vertical or preferably horizontal stack, which is formed by several products, such as objects and / or packaging. It is also possible for a product stack to contain several product stacks, especially where a horizontal product stack may be formed of several vertical product stacks. By a "horizontal tubular bag machine", in this context, a packaging machine known to the specialist as HFFS 25, "Horizontal Form Fill Seal" packaging machine, which is intended for a continuous piece of material to form at least one tube, should be understood in this context. wrap around one or more products to be packed into a tubular bag and close it at both ends. Preferably, the horizontal tubular bag machine can be designed to produce at least 100 tubular bags / minute, particularly preferably more than 250 tubular bags / minute. Preferably, the tubular bag machine can be designed to produce up to 1000, particularly preferably up to 1500 tubular bags / minute. Products to be packaged and the film tube formed around the products are preferably moved at least essentially in a horizontal packaging direction during the formation of the tube, the introduction of the products to be packaged in the film tube and the closure of the tube. By "at least essentially horizontally", in this context, especially, a direction that deviates less than 60 °, preferably less than 45 °, particularly preferably less than 20 ° from a horizontal arranged perpendicular to a force of gravity. By a "transport element" in this context it is understood to mean especially an element movable by means of support of the guide unit, which is provided to support in a direction at least in one operational state a product fed by the feeding device and / or a stack of products, especially for a support and / or counter-support. By a "closed circuit", especially in this context, it is understood a track, where the transport elements are in a circuit. The route can take any shape. Preferably, the track is formed at least in the area of a feed section and / or a reconduction section at least essentially as a straight line. By "at least essentially" it is to be understood in this context a lateral deviation of track of less than 5%, particularly preferably less than 1%, with respect to a track length towards the continuous piece. Preferably, the route between the feed section and the return section presents deviation regions preferably circular. The guide unit can be particularly compact and inexpensive. In particular, the feed section can be arranged at least essentially parallel to the packaging direction of the packaging process of the packaging machine. The guide unit can be particularly well suited for feeding the product packaging machine towards the packaging. In another embodiment, the feed section can be arranged at a right angle to the packaging direction. Products and / or product stacks can be inserted across, particularly space-saving, into the packaging process. The specialist will establish other convenient arrangements for the feed section. The track may contain means for placing other transport elements in the circuit or removing them from the circuit, such as especially needles. A total number of transport elements can be advantageously adapted.
    [004] Preferably, the feeding device can be arranged in a height-adjustable position on the packaging machine. Different heights of products can be compensated. By a "height" it must be understood in this context especially a direction at least essentially parallel to the force of gravity. By "feed section", in this context, the part of the guide unit, which extends from a product receiving region to a product delivery region, should be understood in this context. By a "product receiving region" in this context is meant a region of the guide unit, in which the feeding device is loaded with products and / or product stacks. By a "product delivery region" in this context, especially a section of the feed section, in which the transport elements are operable independently regulated in speed and / or position, should be understood. By "independently actionable" it should be understood in this context especially that theoretical values of speed and / or position of the transport elements within limits can be independently adjusted, in which the transport elements are collision free. In particular, the product receiving region and / or the product delivery region can be a working section or part of a working section. Transport elements may be operable outside the working sections, preferably passively or controlled in speed and / or position. By "support", in this context, it is understood that an element foreseen, in at least one operational state, to support a product or a pile of products in the direction of transport. By a "counter-support", in this context, it is understood an element foreseen, in at least one operational state, to support a product or a pile of products against the direction of transport. Counter-support can be provided especially to prevent products and / or product stacks from tipping in the direction of transport. The transport elements may additionally have product supports, to support products or product stacks against the force of gravity. Preferably, the feeding direction may have a support area, which supports the products. The guide unit and the transport elements are preferably arranged on one side of the support area opposite the product. The support area preferably has at least one recess extending in the direction of transport, through which the supports and counter-supports are projected on the side of the support area facing the product. Supports and counter-supports for a product or a group of products can be moved independently in the direction of transport and against it. Upon receipt of a product, support and counter-support can be moved accordingly to a product receipt process. Especially, with a receipt of several products, a distance between support and counter-support can be dimensioned in adaptation to an increasing number of products. Support and counter-support distance can be adapted to a product or stack length. Products or product stacks can be synchronously received and / or delivered independently to the product receiving regions and / or the product delivery regions. A speed in product receipt and / or product delivery can be particularly high. The speed can be particularly well adjusted to the preceding or the subsequent process, especially as regards the packaging speed and / or a film speed of the packaging machine. By "division" a distance between successive supports must be understood. The division of successive supports can be independently adjusted. An advance stretch can be dispensed with, in which packing distances between products or product piles before receiving the product are adjusted. The feeding device can feed, without changing the format, products with different product lengths and / or product stack lengths and / or packaging distances. "Format change" should be understood in this context, especially a conversion, in which parts are exchanged and / or adapted by a specially manual intervention, as specially adjusted and / or regulated. The feeding device can be particularly efficient and flexible. The construction length of the supply device can be particularly short. A throughput of the feeding device can be particularly high.
    [005] It is also proposed that at least one transport element has at least one support and at least one counter-support. A transport element can simultaneously carry a support for a product or a stack of products and a counter-support for a product or stack of products following the direction of transport. Preferably, support and counter-support can be performed in one piece. Transport elements can be spared. The feeding device can be especially convenient in cost. Between two products or stacks of successive products, only one transport element can be arranged. Especially short product distances may be possible.
    [006] At least one support element is also proposed, which is arranged in the guide unit between two transport elements. By a "support element" is meant especially an element designed to support a product or a pile of products especially against the force of gravity. The support element can preferably be mounted mobile on the guide unit in the direction of transport. The support element can be passively moved along the transport direction, especially by contiguous transport elements. The transport elements may contain means for pulling and / or pushing the support element. Preferably, the support element is operable, regulated in speed and / or position. Preferably, between each transport element carrying a support and the next transport element in the direction of transport, carrying a counter-support, at least one support element is arranged, especially preferably an individual support element. Preferably, the support element and / or the transport elements may have support areas with a comb-like end edge. The comb-like end edges of neighboring transport elements and / or support elements may preferably overlap when transporting products or product stacks. It can advantageously be achieved that products or product stacks are supported without interruption between support and counter-support. The feeding device can transport products or product batteries with special care. It can be particularly prevented that products or product stacks are moved around the support area. Friction and / or damage and / or abrasion of products or product piles can be avoided. Especially sticky and / or soft products or piles of products can be fed, which cannot be moved through a fixed area. A slip of products and / or product stacks through the unmoved support area and / or product abrasion can be prevented. Contamination of the feeding device by product abrasion can be reduced. Cleaning and / or downtime can be reduced.
    [007] It is also proposed a control unit intended to control and / or regulate a product or product stack length and / or the division between successive products or product stacks in the direction of transport. By a "control unit" it is understood in this context especially an electrical and / or electronic device of the supply device, which is provided for a control and / or regulation of activation of the supply device. The control unit of the feeding device can preferably be part of a control unit of the packaging machine, to which the feeding device feeds products or product stacks. The control unit can, in particular, if provided for speed and position adjustment of the transport elements. Product or stack length and division can advantageously be adjusted by the control unit. Format changes can be avoided. The feeding device can be particularly flexible.
    [008] It is also proposed that the control unit be provided for varying product lengths or product stacks and / or the division of products or product stacks in succession towards transport. By "variably" it should be especially understood in this context that division and / or product or stack lengths of successive products can be distinguished. Products of different lengths mutually successive may be packaged. Piles of products of different lengths mutually successive from a divergent number of products can be packed. In particular, missing products and / or product piles can be compensated.
    [009] It is also proposed that the control unit be provided for determining product or stack lengths. The control unit can determine the product or product stack lengths especially as the distance between support and counter-support is reduced until the product or product length between support and counter-support is reached. A resistance of the product or the stack of products when in contact with the support and counter-support can transfer a compressive force between support and counter-support. The control unit can be provided to determine and / or evaluate the form of compression. The control unit can determine the force with the help of regulation quantities, especially drive currents for the transport elements. Transport elements and / or supports and / or counter-supports may have force measurement facilities. Other devices may be present to determine a product and / or product stack's contact with the support and the counter-support, especially light barriers and / or approach sensors. The control unit can automatically adjust the feed device to product lengths or product stack lengths of fed products. A format conversion can be dispensed with. Product lengths or product stack lengths can vary. An adjustment of the feed device and / or a receipt of product lengths or product stack lengths to the feed device may be dispensed with prior to receipt of products.
    [0010] It is also proposed that the control unit be provided for in at least one operational state to move at least one transport element against the direction of transport. In particular, the control unit can be designed so that, when the product or the product stack is delivered to the packaging process, in the product delivery region, the stack is delivered freely by a short retreat from the holder against the direction of transport. A dip in the support can be dispensed with. By a "dip" of the support it must be understood in this context especially that the support is moved back to the side of the support area opposite the products, to release the product or the product stack. The feeding device can be constructed in a particularly simple way. An installation that produces a dip in the supports can be dispensed with. A transport element can also be moved against the transport direction for the product receiving region to synchronize the transport elements with forward and reverse movement of a product receiving device. A distance between support and counter-support can be increased during product receipt. Product receipt can be particularly reliable. Preferably, a transport element can be moved under a product receiving device, especially a well, several times in front and behind, to receive several successive products from the product receiving device. In particular, by a multiple movement forward and backward under a product receiving device, a stack of products can be formed. Products can be received in a particularly flexible way. Different product configurations can be formed without conversions from the product receiving device.
    [0011] It is also proposed that at least one section of the guide unit be made as a buffer section. By a "buffer section" in this context, it is understood that a region of the feed section between the product receiving region and the product delivery region is intended to store intermediate a number of products and / or product stack. In particular, products and / or product stacks in the buffer section can be accelerated or braked with respect to a speed of the packaging process and / or the feeding process, to vary the number of products and / or product stacks in the buffer. Oscillations between product feeding and product delivery can be advantageously compensated for. In addition, at least one region of a return section of the transport elements can be made as a buffer section. By a "return leg" of the transport elements it must be understood in this context especially the part of the guide unit between the product delivery region and the product receiving region, which serves to transport the transport elements from the product delivery region back to the product receiving region. It can be guaranteed that a sufficient number of transport elements are available before the product receiving region.
    [0012] It is further proposed that the guide unit contains at least one primary part and the transport elements respectively contain at least one secondary part of a linear motor system. By a "primary part" of a linear motor system it should be understood in this context especially a stator of a linear motor with a fixed electromagnet. By a "secondary part" of a linear motor system, in this context, a moving part of a linear motor preferably formed by permanent magnets, corresponding to a rotor of a rotating motor, should be understood in this context. By a "linear motor system", in this context, a system that consists of at least one primary part and a plurality of mobile secondary parts must be understood in this context. The linear motor system preferably has path measurement and position measurement facilities to determine the location and / or speed of the secondary parts. Such linear motor systems are known to the skilled person. The transport elements can be operated in a particularly simple and / or dynamic way regardless of speed and / or adjusted in position. The feeding device can be particularly efficient. Particularly preferably, support elements also contain at least a secondary part of the linear motor system. The guide unit may contain a primary part, which extends throughout the entire circuit of the transport elements. Preferably, the guide unit contains at least one primary part in working sections, intended for driving the work elements regulated in speed and / or position. Sections of the circuit outside working sections may preferably contain alternative drive devices for transport elements, the transport elements being able to be driven at least in parts of these sections by retention and / or circulating means, for example, chains and / or wheels, by friction and / or force connection. Sections of the guide unit outside the work sections can be particularly convenient in cost. It is also proposed that the control unit be designed to use regulation quantities, especially drive currents for the transport elements and / or a deviation in the regulation of the transport elements, especially theoretical / actual values of positions and / or speeds, for determining a maintenance status of the supply device. In particular, drive currents rising in the middle and / or regulation deviations can be indications of contamination and / or wear of the supply device and / or changes in a magnetic gap between primary and secondary parts and / or loss and / or malfunction and / or weakening of secondary magnets. The control unit can preferably identify a deterioration in the beginning of the maintenance state in a timely manner before a failure of the supply device. The maintenance status can be signaled to an operator, so that maintenance measures can be introduced in a timely manner. Unplanned outages of the power supply due to failed maintenance and / or defects can be reduced.
    [0013] It is also proposed that the supports and / or counter-supports are provided to separate products and / or product stacks from a powered product column. A "product column" should refer to an endless product stack, preferably horizontal. The product column can, for example, consist of plate-shaped products, horizontally stacked or arranged as slats, such as, for example, biscuits. The product column is preferably fed along a feeding path. Preferably, the support and the counter-support can separate products and / or product stacks from the product column, as the support and a subsequent counter-support against the direction of transport are displaced between two products in the product column. The support can separate a product and / or a stack of products from the product column as it is accelerated with respect to the counter-support and produces a distance. The counter-support marks the end of the product column. Following supports / counter-supports against the direction of transport can separate the next stack of products. Preferably, the counter-supports of the transport elements are arranged with counter-supports in an extreme region in the direction of transport in the transport elements. Preferably, the supports of the transport elements are arranged with supports in an extreme region against the direction of transport in the transport elements. By an "extreme region" of the transport element, it should be understood in this context especially a region that, starting from one end of the transport element, extends in less than 10%, preferably less than 5%, of a length of the transport element towards a center of the transport element. Particularly preferably, the counter supports limit the transport elements with counter supports in the direction of transport. Particularly preferably, the supports limit the transport elements with supports against the transport direction. Supports and counter-supports can thus be moved together for a particularly short distance. Separation of the product column by inserting a support and a counter-support can be facilitated. The support and / or counter-support can be mounted movable on the transport element preferably in a direction perpendicular to the transport direction. A sliding control and / or an actuator can be provided to move the support in the product receiving region between two products in the product column. Support and counter-support can be advantageously moved between two products in the product column. In a preferred embodiment of the invention, the guide unit can guide the transport elements in at least part of the product receiving region along a track, which along a feed path transport direction approaches from below of the product column preferably with respect to the force of gravity. The transport elements and supports and counter-supports can approach with respect to the gravity force, from below, of the products of the product column and be moved between two products of the product column, to separate them. Actuators for moving the supports and / or counter-supports for lifting and / or lowering the supports and / or counter-supports in the transport elements or a sliding control can be dispensed with. Particularly preferably, an actuator and / or a sliding control can be provided to pivot counter-support and / or support at least during immersion with respect to the transport elements around an angle. An optimal angle between support and / or counter-support and products in the product column can be guaranteed during the introduction of the support and / or counter-support. Especially the support and / or counter-support can, during the introduction, assume a right angle towards one end of the product column. The product column can be separated very carefully.
    [0014] A packaging machine with a feeding device is also proposed. The packaging machine can be particularly efficient.
    [0015] It is also proposed a process for feeding products or product stacks to a packaging machine with the feeding device with the described process characteristics. Products or product stacks can be fed with the advantages described. BRIEF DESCRIPTION OF THE FIGURES
    [0016] Other advantages can be seen from the drawing description below. The drawings show examples of carrying out the invention. The drawings and description contain numerous characteristics in combination. The specialist will also conveniently consider the characteristics individually and combine them in convenient other combinations.
    [0017] They show:
    [0018] Figure 1 - a schematic representation of a power device in a first example of execution,
    [0019] Figure 2 - a schematic representation of transport elements and a support element of a feeding device in a second example of execution,
    [0020] Figure 3 - a schematic representation of the transport elements and the supporting element of the second example of execution in a view from above,
    [0021] Figure 4 - a schematic representation of transport elements of a variant of the second example of execution in a view from above,
    [0022] Figure 5 - a schematic representation of a power device in a third example of execution,
    [0023] Figure 6 - a schematic representation of a power device in a fourth example of execution,
    [0024] Figure 7 - a schematic representation of the transport elements of a feeding device in a fifth example of execution,
    [0025] Figure 8 - a schematic representation of a power device in a sixth execution example,
    [0026] Figure 9 - a schematic representation of a power device in a seventh example of execution,
    [0027] Figure 10 - a schematic representation of a power device in an eighth execution example,
    [0028] Figure 11 - a schematic representation of a power device in a ninth execution example,
    [0029] Figure 12 - a schematic representation of a power device in a tenth example of execution,
    [0030] Figure 13 - a schematic representation of a power device in an eleventh execution example and
    [0031] Figure 14 - another schematic representation of the power device of the eleventh execution example, DESCRIPTION OF EXAMPLES OF EXECUTION
    [0032] Figure 1 shows a feeding device 10a for feeding products 12a or stacks of products 14a to a packaging process of a packaging machine 16a here only indicated with a guide unit 20a executed as closed circuit 18a, on the which a plurality of transport elements 22a are disposed along a working section 24a of the guide unit 20a and contrary to a transport direction 28a independently of each other, regulated in speed and / or position. The transport elements 22a circulate around the guide unit 20a in the transport direction 28a.
    [0033] The feeding device 10a has a feeding section 78a aligned in a packaging direction 62a, comprising a product receiving region 50a, a buffer section 38a and a product delivery region 58a. The transport elements 22a have a support 26a or a counter-support 30a, respectively. The products 12a to be packaged are moved by a transport system here not shown in detail at a receiving speed 64a in a support area 48a for the product receiving region 50a of the feeding device 10a. The specialist knows several implementations of an appropriate transport system, for example, belt systems. A number of products 12a, in the example shown respectively 8, respectively form a horizontal product stack 14a with respect to a force of gravity 52a. The product stacks 14a have a product stack length 34 a in the transport direction 28a. The product stacks 14a are respectively displaced at their end opposite the transport direction 28a by the support 26a over the support area 48a in the transport direction 28a. The support area 48a has a recess oriented in the direction of transport 28a, through which the supports 26a and counter-supports 30a are projected. The supports 26a and counter-supports 30a are synchronized with the product stacks 14a upon receipt of product. Position and speed of the transport elements 22a along the transport device 28a are individually regulated by a control unit 32a. The control unit 32a is provided for controlling and regulating the product stack length 34a and a division 36a between product stacks 14a which follow each other in the transport direction 28a. The control unit 32a is provided for determining the stack lengths of products 34a. For this purpose, the control unit 32a reduces the distance between support 26a and counter-support 30a of a product stack 14a to such an extent until the product stack 14a, as long as the distance corresponds to the product stack length 34a, exerts a distance to support 26a and counter-support 30a. The distance corresponds to a compression force 76a between support 26a, counter-support 30a and product stack 14a. The compression force 76a produces an increase in drive currents required to drive the transport elements 22a, which is identified by the control unit 32a and is used to determine the length of the product stack 34a. To synchronize the transport elements 22a, the control unit 32a has sensors not shown here, with which it detects the receiving speed 64a and the position of the supplied product stacks 14a and correspondingly adjusts the speed and position of the transport elements 22a. An end of the stack of products 14a facing the transport direction 28a, by a counter-support 30a is guaranteed that support 26a and counter-support 30a are executed in the example shown equal in construction and are distinguished by their function during product feeding. Each stack of products 14a is thus transported between a stand 26a and a counter-stand 30a independently driven. Supports 26a which follow each other in the transport direction 28a have a product distance called division 36a. Division 36a defines together with the product stack length 34a a remaining gap 56a between successive product stacks 14a. Division 36a is adjusted by control unit 32a independently in the product receiving region 50a, product delivery region 58a and buffer section 38a. From the product receiving region 50a the product stacks 14a are displaced between supports 26a and counter-supports 30a in the direction of transport 28a towards the product delivery region 58a. Buffer section 38a is arranged between product receiving region 50a and product delivery region 58a. In the product delivery region 58a the product stacks 14a are transferred to the packaging process synchronized in position with the division 36a required for the packaging process and a packaging speed 60a of the packaging direction 62a. In the region of the buffer section 38a, the control unit 32a varies the division 36a between the product stacks 14a according to a fluctuation between receiving speed 64a and packaging speed 60a.
    [0034] A length of the buffer section 38a in the direction of transport 28a is so designed by the specialist that in the buffer section 38a a sufficient number of product stacks 14a can be buffered to compensate for fluctuations that occur. Especially so-called empty divisions can be compensated for by buffer section 38a on receipt of product. When products 12a are not supplied to the feeding device 10a, the transport elements 22a in the product receiving region 50a wait until the next products 12a are delivered. During that time, other stacks of products 14a can be delivered to the packaging machine 16a, while there is a stack of products 14a in the buffer section 38a.
    [0035] The packaging machine 16a is performed as a horizontal tubular packaging machine. The feeding device 10a is arranged on the packaging machine 16a in the direction of the height adjustable gravity force 52a. In the product delivery region 58a of the feeding device 10a by the packaging machine 16a, a film tube 66a is formed around the product stack 14a of a continuous film part 54a. A deflection region 68a of the feeding device 10a is so arranged that the counter-support 30a of the product stack 14a to be packed is deflected before the closing of the film tube 66a with respect to the gravity force 52a 180 ° down around from the bypass region 68a to a return stretch 70a of the feeding device 10a. The support 26a releases the product stack 14a as soon as it is on the film tube 66a, where it is braked or briefly moved against the transport direction 28a. Then, the support 26a is likewise moved again in the transport direction 28a and deflected around the deviation region 68a to the return stretch 70a. This way, it can be prevented that the support 26a, when deflected, press the product stack 14a and move it. The return section 70a has another buffer section 72a, which is provided for plugging the transport elements 22a. Depending on division 36a, product stack length 34a and a number of product stacks 14a in buffer section 38a, a variable number of transport elements 22a is required to transport product stacks 14a from the product receiving region 50a to the product delivery region 58a. Excess numbers of transport elements 22a are buffered in the buffer section 72a. The transport elements 22a are transported along the return stretch 70a against the transport direction 28a to another bypass region 74a and by the bypass region 74a synchronized with the stacks of products 14a again diverted 180 ° to the region receiving product 50a.
    [0036] For driving the transport elements 22a, the guide unit 20a contains primary parts 40a and the transport elements 22a secondary parts 42a of a linear motor system 44a. The guide unit 20a presents in the direction of transport 28a along the feed section 78a and the return section 70a electromagnets here not shown in detail, forming poles of the linear motor system 44a, which respectively form primary parts 40a. The electromagnets can be activated individually by the control unit 32a. The transport elements 22a have permanent magnets here, which are not shown in detail here, and thus the secondary part 42a of the linear motor system 44a. The guide unit 20a also has a path measurement system not shown in detail, with which the speed and position of the transport elements 22a can be individually determined and transmitted to the control unit 32a. The control unit 32a can thus individually adjust the position and speed of the transport elements 22a. Such linear motor systems 44a are known to the skilled person, even from the state of the art mentioned. The deviation for the deviation regions 68a and 74a is performed passively. In the deviation regions 68a and 74a, the transport elements 22a are transported by joining forces with deviation wheels 80a arranged in the deviation regions 68a 74a, rotating, equipped with magnets. Then, the transport elements 22a re-enter the feed section 78a or return section 70a, where they are operable by the control unit 32a regulated in position and speed. To save costs, it is also possible for the transport elements 22a to be retained in parts of the buffer sections 38a and / or 72a, so that in these regions the primary part 40a of the linear motor system 44a can be interrupted. The specialist will select a design of the linear motor system 44a suitable for the respective application.
    [0037] The following description and the drawings of other examples of execution are essentially restricted to the differences between the examples of execution, being able to refer with respect to components of the same designation, especially with respect to components with equal references, basically also to the drawings and / or the description of the other examples of execution. In order to distinguish the execution examples, instead of the letter a of the first execution example, the letters b through k are applied to the other execution examples.
    [0038] Figure 2 and figure 3 show a section of a feeding device 10b with transport elements 22b with a support 26b and a counter-support 30b in a second example of execution. The feeding device 10b differs from the first example of execution especially in the fact that in a guide unit 20b between the transport elements 22b having the support 26b and the counter-support 30b a support element 36b is arranged. The support element 46b, like the transport elements 22b, is executed as a secondary part 42b of a linear motor system 44b and can be driven by a control unit 32b regulated in position and speed. Alternatively, the support element 46b can also be passively arranged on the guide unit 20b and be pulled and / or pushed by the transport elements 22b. The support element 46b as well as the support 26b and the counter-support 30b have support areas 82b, with which the product stack 14b is supported between the transport elements 22b. Closing edges of the support areas 82b, facing each other, of support 26b, counter-support 30b and support element 46b are executed as combs 84b engaging with each other (figure 3), so that the product stack 14b is supported continuously between support 26b and counter-support 30b. With the combs 84b, different product stack lengths 34b can be adjusted between support 26b and counter support 30b with continuous support. A support area of the feeding device 10b, through which the stacks of products 14b are moved, can thus be dispensed with. The product stacks 14b are carefully carried by the transport elements 22b and the support elements 46b. Figure 4 shows a variant of the second embodiment, in which the support element is dispensed and support 26b 'and counter-support 30b' have respectively combs 84b ', which form support areas 82b'. This variant is especially suitable for short product stack lengths.
    [0039] Figure 5 shows a feeding device 10c for feeding products 12c or stacks of products 14c to a packaging process of a packaging machine 16c here only indicated with a guide unit 20c, executed as closed circuit 18c, on which is disposable actuated regulated in speed and / or in position, independently of each other, in the direction of transport and against the direction of transport, a plurality of transport elements 22c arranged along a working section 23c of the guide unit 20c . The feeding device 10c differs from the first example of execution in particular by the fact that a control unit 32c is provided for varying the lengths of product stack 34c and a division 36c of successive product stacks 14c in the direction of transport 28c. . Piles of products 14c of different length are fed to the feeding device 10c by two transverse chains 86c and 88c. In the example shown, the transverse chain 86c feeds stacks of products 14c with seven products 12c respectively and the transverse chain 88c stacks of products 14c with four 12c products respectively. Transverse chains 86c and 88c move the stacks of products 14c at right angles respectively to the direction of transport 28c between supports 26c and counter-supports 30c waiting at the correct distance. As soon as the product stacks 14c are moved, the transport elements 22c carrying the supports 26c and counter-supports 30c transport the product stacks 14c in the direction of transport 28c to a product delivery region 58c, where they are received by a packaging machine 16c. Supports 26c and countersupports 30c waiting can be accelerated after receiving stacks of products 14c with increasing acceleration. The stacks of products 14c can be treated particularly carefully with the product. The control unit 32c correspondingly adjusts the division 36c of successive supports 26c, so that between the stacks of products 14c there are equal packaging distances 90c and between supports 26c and counter-supports 30c equal gaps 56c. Alternatively, the product stacks 14c can be transferred by a transfer device not shown on supports 26c and counter-supports 30c, as they are already accelerated in the direction of transport 28c by the transfer device. Supports 26c and counter-supports 30c must not be stopped, so that greater packaging efficiency may be possible.
    [0040] Figure 6 shows a feeding device 10d for feeding products 12d or stacks of products 14d to a packaging process of a packaging machine 16d here only indicated with a guide unit 20d executed as closed circuit 18d, on the which a plurality of transport elements 22d are arranged along a working section 24d of the guide unit 20d actionable independently of each other in speed and / or position, in a fourth embodiment. The feeding device 10d differs from the first example of execution especially in the fact that supports 26d and countersupports 30d carry respectively two stacks of vertical products 14d, arranged side by side. Instead of stacks of products 14d, they can also be transported packed side by side, which may contain stacks of products. The stacks of products 14d show in the example shown three products 12d respectively. The product stacks 14d are formed from separate products 12d by a filling robot 92d between the support 26d and the counter support 30d in a support area 48d of the feeding device 10d. It is also possible to stack another number of products 12d in a stack of products 14d or to arrange another number of stacks of products 14d side by side between support 26d and counter-support 30d. A control unit 32d adjusts a distance between support 26d and counter-support 30d of a corresponding product stack length 34d, and by product stack length 34d the extension of the product stacks 14d located side by side in the direction of shipping 28d. The distance can also be adjusted before, during and after each loading of product stacks 14d to the number of stacks of product 14d already loaded. The distance can also be slightly increased when charging, so that there is more space when charging. The stacks of products 14d transported between supports 26d and counter-supports 30d are transferred to the packaging machine 16d as a group and packaged together in the same package.
    [0041] Figure 7 shows a section of a feeding device 10e with transport elements 22e with a support 26e and a counter support 30e in a fifth example of execution. The feeding device 10e differs from the fourth example of execution especially in the fact that the transport elements 22e have the support 26e and the counter-support 30e respectively, being that support 26e and counter-support 30e are executed in one piece. A stack length of products 34e in the direction of transport 28e can be individually adjusted by the control unit 32e, regardless of a number of products 12e and / or product stacks 14e, which are transported between support 26e and counter-support 30e, with stacks of horizontal and vertical products 14e are permissible. A division 36e between successive supports 26e is determined in the feed device 10e by the product stack lengths 34e and is not adjustable independently of the product stack length 34e. The feeding device 10e requires only half the number of transport elements 22e in comparison with the feeding devices of the other embodiments.
    [0042] Figure 8 shows a feeding device 10f for feeding products 12f or stacks of products 14f to a packaging process of a packaging machine 16f here only indicated with a guide unit 20f executed as closed circuit 18f, on the which a plurality of transport elements 22f are arranged along a working section 24f of the actuating guide unit 20f independently adjustable in speed and / or position, in a sixth embodiment. The feeding device 10f differs from the feeding device 10d of the fourth execution example especially in the fact that products 12f are stacked from three wells 94f between supports 26f and counter supports 30f for stacks of vertical products 14f, and between each support 26f and counter support 30f in the example shown a stack of products 14f of three products 12f is formed. Each of the three wells 94f then supplies a product 12f, while the supports 26f and counter-supports 30f transport the product stacks 14f in the direction of transport 28f under the wells 94f. The transport elements 22f stop the product stacks 14f briefly under the wells 94f, to facilitate deposition of the products 12f by the wells 94f. Then, the transport elements 22f accelerate with increasing acceleration, to carefully treat products 12f. Alternatively, support 26f can pull a product 12f from well 94f, as it brakes briefly before touching product 12f and accelerates again after touching. This causes the 12f products to be pulled very carefully. Preferably, the distance between support 26f and counter-support 30f is briefly increased when extracting well 94f. It is also possible that from a well 94f with reverse movement of the support 26f in the direction of transport and against the direction of transport 28f a pile of products 14f is formed by repeatedly extracting a product 12f from well 94f. The 30f counter-support can also exert a reversal movement.
    [0043] Figure 9 shows a 10g feeding device for feeding 12g products or stacks of 14g products to a packaging process of a 16g packaging machine here only indicated with a guide unit 20g executed as closed circuit 18g, on the which a plurality of transport elements 22g are arranged along a working section 24g of the guide unit 20g which can be controlled independently of each other in speed and / or position, in a sixth embodiment. The 10g feeding device is distinguished from the 10d feeding device of the fourth execution example especially in the fact that the 12g products are fed to the 50g product receiving region by two 96g and 98g feeding paths arranged diagonally towards the direction shipping 28g. Initially, via the 96g feed path, a first stack of 14g products is formed between a 26g support and a 30g counter support. The stack of products 14g is carried by the support 26g and the counter-support 30g to the second supply path 98g, after which a distance between support 26g and counter-support 30g is increased, so that then in the direction of transport 28g next to the first stack of products 14g a second stack of products 14g can be formed. A product stack length 34g then corresponds, in the example shown, to two products 12g located side by side. The stacks of 14g products are further, as described, fed to the 16g packaging machine. Alternatively, a stack of products 14g can also be formed, as the feed path 96g and 98g successively deposit a product 12g between a support 26g and a counter-support 30g respectively.
    [0044] Figure 10 shows a 10h feeding device for feeding 12h products or 14h product batteries to a 16h packaging machine packaging process here only indicated with a 20h guide unit executed as 18h closed circuit, on the which a plurality of transport elements 22h are arranged along a working section 24h of the guide unit 20h actionable and independently regulated in speed and / or position, in an eighth execution example. The 10h feeding device is distinguished from the 10g feeding device of the seventh execution example especially because the 12h products are displaced by two feeding routes 96h and 98h arranged in relation to the 28h transport direction laterally to the 22h transport elements across between 26h support and 30h counter-support. Thus, the 12h products from the two feeding routes 96h and 98h are combined. In the example shown, product piles are not formed; instead, between the 26h support and the 30h counter-support, an individual 12h product is carried out respectively, which is packed by the 16h packaging machine. Alternatively, the 96h and 98h feeding routes feed stacks of products, which are conducted between 26h support and 30h counter-support.
    [0045] Figure 11 shows a feeding device 10i for feeding products 12i or stacks of products 14i to a packaging process of a packaging machine 16i here only indicated with a guide unit 20i executed as closed circuit 18i, on the which a plurality of transport elements 22i are arranged along a working section 24i of the guide unit 20i and in a transportable transport direction 28i independently regulated in speed and / or position, in a ninth embodiment. The feeding device 10i differs from the first example of execution especially in that the support 26i and the counter support 30i are provided to separate stacks of products 14i from a column of products 100i. The column of endless 100i products is fed along a feed path 96i parallel to a packaging direction 62i. In a product receiving region 50i the guide unit 20i guides the transport elements 22i along a track 102i approaching the feed path 96i along the transport direction 28i. Transport elements 22i with a support 26i and transport elements 22i respectively following in the direction of transport with a counter support 30i are brought together in the product receiving region 50i, so that supports 26i and counter supports 30i touch. The supports 26i limit the transport elements 22i with supports 26i against the transport direction 28i. Counter-brackets 30i limit the transport elements 22i with counter-brackets 30i in the direction of transport 28i. Supports 26i and countersupports 30i approach the column of products 100i, until supports 26i and countersupports 30i are displaced between two products 12i of the column of products 100i. The support 26i then separates a stack of products 14i, as the support 26i and the counter-support 30i next to the support 26i in the direction of transport 28i, contiguous to the stack of products 14i, are accelerated in the direction of transport 28i, so that between the stack of products 14i and the column of products 100i a distance results. The next counter-support 30i disposed next to the support 26i against the direction of support 28i holds the end of the column of products 100i and forms with the next support 26i against the direction of transport 28i the next stack of products 14i. In the same way it is also possible to separate individual 12i products. In the region of a buffer section 38i and a product delivery region 58i following in the direction of transport 28i, the guide unit 20i further adds to the packaging process the transport elements 22i parallel to the direction and packaging 62i.
    [0046] Figure 12 shows a feeding device 10j for feeding products 12j or stacks of products 14j to a packaging process of a packaging machine 16j here only indicated with a guide unit 20j executed as closed circuit 18j, on the which a plurality of transport elements 22j are arranged along a working section 24j of the guide unit 20j which can be independently regulated in speed and / or position, in a tenth embodiment. The feeding device 10j differs from the first example of execution especially in the fact that a separating blade 104j is provided to separate the product stack 14j from a fed product column 100j. The separating blade 104j is introduced from the side opposite the guide unit 20j between two products 12j of the product column 100j. Brackets 26j and counter-brackets 30j are arranged on the retractable transport elements 22j by a slide control not shown here in detail towards the transport elements 22j. In a product receiving region 50j an end of the product column 100j facing the transport direction 28j is held by the separating blade 104j. A counterjacket 30j is applied to the end. The separating blade 104j is returned towards the side of the product column 100j opposite the guide unit 20j. The column of products 100j moves with the counter support 30j in the direction of transport 28j until a number of products 12j corresponding to a pile of products 14j is reached. The separating blade 104j is inserted between two products 12j of the product column 100j and holds the end of the product column 100j. A support 26j next to the counter support 30j of the product stack 14j against the transport direction 28j is moved towards the product stack 14j and holds the product stack 14j, while the next counter support against the transport direction 28j is moved equally in direction of the product stack 14j and holds the new end of the product column 100j, so that the separating blade 104j can be pulled back again. During a period, when the separating blade 104j is introduced into the product column 100j, the end of the product column 100j is stopped by the separating blade 104j. Support 26j and counter-support 30j of the product stack 14j to be separated are accelerated by the transport elements 22j in the transport direction 28j and the separate product stack 14j. The other stacks of products 14j are correspondingly formed.
    [0047] Figure 13 and Figure 14 show a 10k feeding device for feeding 12k products or stacks of 14k products to a 16k packaging machine packaging process here only indicated with a 20k guide unit executed as 18k circuit closed, on which a plurality of transport elements 22k are arranged along a working section 24k of the guide unit 20k that can be independently regulated in speed and / or position, in an eleventh execution example. The feeding device 10k differs from the feeding device of the tenth example of execution especially in the fact that a separating blade 104k is mounted movable in the direction of transport 28k. The separating blade 104k is displaced between two products 12k of the column of products 100k and moves simultaneously with the column of products 100k in the direction of transport 28k. A support 26k is displaced by the side opposite the separation blade 104k between products 12k of the column of products 100k to be separated by the separation blade 104k (figure 13). The 26k support accelerates in conjunction with a 30k counter-support following the separate 14k product stack in the 28k transport direction the 14k product stack in the 28k transport direction. A counter support 30k following the 28k transport direction is applied to the new end of the 100k product column (figure 14). The separating blade 104k is recessed and moved against the 28k transport direction. The separating blade 104k separates the column of products 100k between two 12k products again, after which the next support 26k against the direction of transport 28k is brought to the position of the column of products 100k separated by the separating blade 104k and a new stack of 14k products. The column of products 100k can remain in motion in the direction of transport 28k during the separation operations, as the separation blade 104k and the supports 26k as well as counter-support 30k are jointly moved in sync in the direction of transport 28k.
    权利要求:
    Claims (11)
    [0001]
    1. Feeding device for feeding products (12b) and / or stacks of products (14b) in a packaging machine packaging process (16b), said feeding device having at least one guide unit (20b) which is a closed circuit along which a plurality of transport elements (22b) are arranged so as to be operable in a speed-controlled and / or positively regulated manner independently of each other at least over at least one working section of the guide unit (20b), at least one transport element (22b) comprising a support (26b), and at least one transport element (22b) which follows in a transport direction (28b) comprises a counter-support ( 30b); characterized by a control unit (32b) programmed to control and regulate a spacing between the support (26b) and the counter-support (30b) according to the length of the product stack (34b, while, during loading, the spacing between the support (26b) and the counter-support (30b) is increased, and with at least one support element (46b) that is arranged in the guide unit (20b) between two transport elements (22b), the support element being (46b) is in the form of a secondary part (42b) of a linear motor system (44b) and can be actuated in a positionally regulated and speed-controlled manner via the control unit (32b).
    [0002]
    2. Feeding device according to claim 1, characterized by the fact that at least one transport element comprises at least one support and at least one counter-support.
    [0003]
    Feeding device according to claim 1 or 2, characterized in that the control unit (32b) is configured to control and / or regulate a product length or product stack length and / or a room between products or product stacks (14b) in the direction of transport.
    [0004]
    4. Feeding device according to claim 3, characterized by the fact that the control unit (32b) is configured to vary product lengths or product stack lengths and / or the division of products or product stacks (14b) successive in the direction of transport.
    [0005]
    5. Feeding device according to claim 3, characterized in that the control unit (32b) is configured to determine product lengths or product stack lengths.
    [0006]
    6. Feeding device according to claim 3, characterized in that the control unit (32b) is configured to move at least one transport element (22b) in a direction opposite to the transport direction in at least one operational state.
    [0007]
    Feeding device according to any one of the preceding claims, characterized in that at least one section of the guide unit (20b) is a buffer section.
    [0008]
    Feeding device according to any one of the preceding claims, characterized in that the guide unit (20b) includes at least one primary part (40b) and the transport elements (22b) include, in each case, at least a secondary part (42b) of a linear motor system.
    [0009]
    Feeding device according to any one of the preceding claims, characterized in that the supports and / or counter-supports are configured to separate products and / or product stacks from a powered product column.
    [0010]
    10. Packaging machine, characterized by the fact that it has a feeding device (10b), as defined in any of the preceding claims.
    [0011]
    11. Process for feeding products (12b) or product stacks (14b) into a packaging machine (16b), the method comprising the steps of providing a feeding device having at least one guide unit (20b) which is a closed circuit along which a plurality of transport elements (22b) are arranged so as to be operable in a speed-controlled and / or positionally regulated manner independently of each other, at least along at least one working section of the guide unit (20b), at least one transport element (22b) comprising a support (26b) and at least one transport element (22b) which follows in a transport direction comprises a counter-support (30b); the process characterized by the fact that it also comprises the steps of controlling a spacing between the support (26b) and the counter-support (30b) according to a length of the product stack (34b); increase the spacing between the support (26b) and the counter-support (30b) during loading; and use the feeding device to feed the products (12b) or product stacks (14b) to the packaging machine (16b), and with at least one support element (46b) which is arranged in the guide unit (20b) between two transport elements (22b), the support element (46b) being in the form of a secondary part (42b) of a linear motor system (44b) and can be actuated in a positionally regulated manner and controlled by speed through the control unit (32b).
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    同族专利:
    公开号 | 公开日
    EP2861496B1|2017-09-27|
    JP2017165490A|2017-09-21|
    CN104603012B|2016-10-12|
    EP2861496A1|2015-04-22|
    CN104603012A|2015-05-06|
    JP2015525176A|2015-09-03|
    DE102012210329A1|2013-12-19|
    US20150136564A1|2015-05-21|
    BR112014031240A2|2017-06-27|
    IN2014DN10180A|2015-08-21|
    JP6453383B2|2019-01-16|
    US9327855B2|2016-05-03|
    WO2013189656A1|2013-12-27|
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    法律状态:
    2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-10-29| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-08-04| B07A| Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]|
    2020-11-10| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-01-12| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 03/05/2013, OBSERVADAS AS CONDICOES LEGAIS. |
    2021-07-13| B25A| Requested transfer of rights approved|Owner name: SYNTEGON PACKAGING SYSTEMS AG (CH) |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102012210329.5|2012-06-19|
    DE102012210329A|DE102012210329A1|2012-06-19|2012-06-19|feeding apparatus|
    PCT/EP2013/059225|WO2013189656A1|2012-06-19|2013-05-03|Feeding device for packaging machine|
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