专利摘要:
The invention relates to a device (1) for automatic stacking of products packed in thermoformed packages (4). In order to automate the stacking of thermoformed packages (4), a device (1) is proposed which is characterized by a stacking station (2) and a feed belt (3) by means of which the thermoformed packages (4) move to the stacking station (2) wherein the stacking station (2) has a number of juxtaposed, by means of at least a first displacement means (10) transversely to the feed direction (11) of the feed belt (3) in a receiving position (7) in front of the end (5) of the feed belt (3 ), wherein the feed belt (3) is automatically height-adjustable or inclinable with the aid of an adjusting means as a function of the height of the packing stack (6) on a stacking station (7). 6), further characterized by a to the stacking station (2) adjacent removal station (17) with preferably one of the number of stacking places (8) corresponding number of acceptance plan (18), wherein at least one first ejection means (22) is provided for pushing out a stack of packs (6) from a stacking station (8) not in a receiving position (7) to one of the receiving stations (18).
公开号:AT13906U1
申请号:TGM377/2012U
申请日:2012-09-21
公开日:2014-11-15
发明作者:Dieter Liebel
申请人:Dieter Liebel;
IPC主号:
专利说明:

Austrian Patent Office AT13 906U1 2014-11-15
description
DEVICE FOR AUTOMATIC STACKING OF PRODUCTS PACKED IN DEEP PACKS
The invention relates to a device for automatically stacking packaged in thermoforming products.
After the packaging of products, such as food, in Tiefziehpackun-gene, such as thermoforming trays, the thermoformed packages usually go through a price labeling before they are fed by means of a feed belt to a packing station. In the packing station, the individual thermoformed packages are manually stacked and provided for the further packaging process. Manual stacking of thermoformed packages is comparatively slow and prone to errors.
An object of the present invention is to automate the stacking of such thermoformed packages.
This object is achieved by a device according to claim 1. Thereafter, there is provided an apparatus for automatically stacking products packaged in thermoforming packages, characterized by a stacking station and a feed belt for moving the thermoformed packages to the stacking station, the stacking station having a number of juxtaposed, transverse at least first displacement means to the feed direction of the feed belt into a receiving position in front of the end of the feed belt displaceable, alternately fillable stacking stations and wherein the feed belt by means of an adjusting means is automatically height or tilt adjustable depending on the height of the stack of packs in a receiving position located in a stacking position, further characterized by an adjacent to the stacking station removal station with preferably one of the number of stacking spaces corresponding number of acceptance slots, wherein at least a first Ausschubmittel is provided for Ejecting a stack of packs from a stacking station not in a pickup position to one of the pickup locations.
A basic idea of the invention is to provide a device with co-ordinated, coordinated controlled elements which allow an automatic stacking of thermoformed packages up to the desired stack height, without the need for any manual involvement. The finished stacked pack stacks are provided in a take-off station separate from the stacking station for the further packaging process. A stacking by hand is not required. The automatic, controllable stacking process also ensures that the stacks always contain the desired number of thermoformed packages. A Verzählen or wrong stacks is therefore excluded. Moreover, it is advantageous that the stacking can be done very precisely and at high speed, so that overall compared to a manual stacking a much faster packaging process is possible.
Advantageous embodiments of the invention are specified in the subclaims.
In a preferred embodiment of the invention, an accepting device adjacent to the picking station is provided with an accepting station and the picking station is displaceable transversely to the feed direction of the feed belt such that in each case one of the picking stations of the pickup station can be positioned in a dispensing position relative to the pickup device. Preferably, it is a single, central receiving station and in each case one of the acceptance slots is transferable into a dispensing position relative to this central accepting station. The receiving device is, for example, a second conveyor belt, which continues the pack stacks to a packaging machine or the like. However, the receiving device can also be directly a packaging machine or the like. Due to the movably executed removal station, an automatic transfer of the pack stacks to a central acceptance point or alternatively to several acceptance points is possible. As a result, the stacking device according to the invention can also be operated fully automatic on the take-off side and manual handling of the pack stacks is not necessary.
For pushing out a pack stack of which are located in the dispensing position acceptance point of the removal station on the receiving station of the acceptance device preferably a second Ausschubmittel is provided, which advantageously intervenes between the stacking station and removal station.
Characterized in that not only the stacking station, but also the removal station (preferably independently of each other) are designed to be displaceable, and thus the stacking stations, as well as the acceptance seats can be variably positioned to each other, not only the speed of stacking, but also the Moving the pack stacks are optimized so that a very high operating speed is achieved.
In a further preferred embodiment of the invention, each stack is assigned a stack cage with side guides. If the side guides are positionally changeable in the transverse direction, the stack cages can be used for thermoforming packages of various sizes. At the same time packs can be safely stacked, which have a slightly curved outward top. In the simplest case, the stack cage is formed by two laterally arranged, extending in the feed direction guides. If the stack cage is closed in the feed direction, the desired stack formation is supported and unwanted overturning of the pack stack is prevented.
In a further preferred embodiment of the invention, at least one arranged between the stacking station and removal station partition wall is provided. In a blocking position, the dividing wall separates at least one of the stacking places from the respective removal place, and in a pass-through position, the dividing wall allows a stack of packs to be pushed out onto this removal place. The partition wall is automatically movable into the forward position by means of an actuating means before the stacking of a stack of packs and, after the pack stack has been pushed out, is automatically moved into the blocking position with the aid of the actuating means.
The use of partitions not only ensures a high degree of security, since it prevents inadvertent intervention in the stacking station from the picking station. The partitions also secure undisturbed stacking of the thermoformed packages from the removal process. At the same time, the partitions serve as terminations of the stack cages in the feed direction. Preferably, each stacking cage is associated with such a partition wall and the partitions are independently operable.
In a further preferred embodiment of the invention, each receiving space side guides are assigned. These side guides are used to safely maintain the stack of packs during the pushing out of the stacks on the acceptance slots and ensure a safe manual gripping of the respective stack of packs to carry out the further packaging process. Also, these side guides are preferably positionally variable in the transverse direction, so that the acceptance slots can be used for thermoforming packages of various sizes.
The adjusting means and / or the displacement means and / or the Ausschubmittel and / or the actuating means have in a further embodiment of the invention to achieve their function in each case a working member in the form of a pneumatically or hydraulically operated cylinder. By using such cylinders, the desired movements of the individual elements of the device can be realized in a particularly secure and reliable manner.
Especially advantageous is the use of a central control device for the coordinated control of a drive of the feed belt and / or the adjusting means and / or the displacement means and / or the Ausschubmittels and / or the actuating means. With the help of such a central control, the interaction of the o.g. Medium on 2/12 Austrian Patent Office AT 13 906 Ul 2014-11-15 particularly simple manner controllable. The drive of the feed belt is preferably an electric motor.
A control device for controlling the device is advantageously carried out according to an embodiment of the invention such that depending on the height of the stack of packs on the stacking station located in the receiving position height or tilt adjustable feed belt thermoforming packages moves to the stacking station and there stacking on a stacking station in a receiving position into a stack of stacks such that a stacking stack comprising a pack stack is shifted from a pickup position to an ejection position and at the same time another stacking location to form a stack of packs in a pickup position when there is a change requirement transverse to the feed direction of the feed belt, and that a pack stack is ejected from a stacking station located in the Ausschubposition on one of the acceptance points of the removal station. This indicates the essential steps of the process for automatic stacking of products packaged in thermoformed packages.
The change requirement is preferably determined or influenced by one of the following criteria: a predetermined number of thermoformed packages in a pack stack, a predetermined minimum weight of a pack stack. The use of other criteria is possible and has no influence on the basic idea of the invention.
Two embodiments of the invention will be explained in more detail with reference to the drawings. In the drawings: Fig. 3 Fig. 4 Fig. 4 is a plan view of the device according to the invention (first embodiment), a side view of the device according to the invention (first embodiment), a plan view of the device Device according to the invention (second embodiment), a side view of the device according to the invention (second embodiment).
All figures show the invention only schematically and with its essential components. The same reference numerals correspond to elements of the same or comparable function.
A first embodiment of the invention is described with reference to Figs. 1 and 2. The automatic stacking device 1 according to the invention comprises a stacking station 2 and a feed belt 3 with the aid of which thermoformed packages 4 are moved to the stacking station 2. The feed belt 3 is automatically height or tilt adjustable by means of an electric motor drive or an adjusting means in the form of a pneumatically operated cylinder (both not shown). The height or inclination adjustment of the outlet-side end 5 of the feed belt 3 takes place as a function of the height of the package stack 6 on the stacking station 8 located in a receiving position 7.
The feed belt 3 may have a length corresponding to the application, but basically any length. In the example, the length of the feed belt is 430 mm. The stacking station 2 has two alternately fillable stacking bins 8. The stacking stations 8 are arranged side by side on a displacement table 9 and displaceable by means of a displacement means 10 in the form of a pneumatically operated cylinder transversely to the feed direction 11 of the feed belt 3 in the receiving position 7 in front of the end 5 of the feed belt 3.
Each stacking 8 is associated with a stack cage 12, each stack cage 12 has two side guides 13 and a rear wall 14. The side guides 13 consist of extending in the feed direction 11, connected to the translation table 9 plates. They are adjustable in the transverse direction 15, so that a variable internal cage width of, for example, 60 mm to 210 mm is adjustable. The adjustment of the side guides 13 for all stacking stations 8 simultaneously preferably takes place with the aid of a central adjusting device (not shown). The ends 16 of the side guides 13 pointing in the direction of the feed belt 3 are bent outward, so that the open end of the stack cages 12 has a greater width than the opposite, closed one The End. From the perspective of the feed belt 3, d. H. in the feed direction 11 inwardly bent ends 16 of the side guides 13 serve a particularly uniform stack construction even with not centrally placed on the feed belt 3 thermoformed 4. These are still guided by the inwardly facing leading ends 16 in the middle of the stack cage 12 and stored there. The stack cages 12 are dimensioned, for example, such that with a maximum package height of a single package of 35 mm, a maximum stack height of 200 mm can be achieved.
The stack cages 12 are in the feed direction 11, d. H. executed closed at their ends opposite the open ends 16. Serve for this purpose between the stacking station 2 and a subsequent to the stacking station 2 in the feed direction 11 subsequent removal station 17 partitions 14th
The partitions 14 are not connected to the displacement table 9 and independently of the side guides 13 in a direction perpendicular to the feed direction 11, as well as perpendicular to the transverse direction 15 extending separating direction 19 movable. In other words, the stacked cages 12 are newly formed in each case by each side guides 13 movable on the one hand with the displacement table 9 in the transverse direction 15 and on the other hand in the transverse direction 15 of the partition walls 14.
If a partition wall 14 is in its blocking position, then it separates a stacking station 8 from the associated removal station 18 of the removal station 17. If a partition wall 14 is in its forward position, then it allows the package stack 6 to be pushed out to this removal station 18 Partition wall 14 is automatically moved downwards to the discharge position of a packing stack 6 by means of an actuating means (not shown) in the form of a pneumatically operated cylinder and moves automatically after pushing out of the package stack 6 by means of the actuating means in the locked position.
The adjacent to the stacking station 2 removal station 17 has according to the number of stacking stations 8 two acceptance slots 18 at. Each receiving space 18 are in turn associated with side guides 21, which can also be moved in the transverse direction 15. The side guides 21 of the acceptance slots 18 are arranged such that they are arranged in extension of the side guides 13 of the stacking stations 8, ie extend in the feed direction 11, so that the pack stacks 6 can not tilt laterally when pushed out. The side guides 21 together with the partition wall 14 for each acceptance slot 18 a take-off cage, which as well as the stack cages 12 to one side, here the take-off side, is open. Even with the side guides 21 of the acceptance slots 18, the adjustment of the side guides 21 for all acceptance slots 18 simultaneously preferably by means of a central adjustment (not shown).
Preferably, the stacking stations 8 are made deeper in the feed direction 11, as the acceptance slots 18. Thus, the depth of a stacking station 8, for example, 220 mm, while a decrease place 18 only has a depth of 180 mm, for example. The greater depth of the stacking stations 8 takes into account the length of the bent end-side guide ends 16 and serves the particularly secure construction of the package stack 6 between the side walls 13 of the stack cage 12.
Each acceptance point 18 is a Ausschubmittel 22 in the form of a pneumatically operated cylinder with a arranged at the end of the cylinder rod 23 assigned to push out the stack of piles 6 from a not in a receiving position 7, but in a Ausschubposition 20 located stacking space 8 an adjacent pickup place 18. The size of the pusher 23 is adapted to the maximum height of the pack stack 6. The Ausschubweg is for example 300 mm.
For the actuation of the pneumatic cylinders 10, 22, ... a connection (not shown) is provided, with which the device 1 to an existing compressed air system (not shown) can be connected. The system is operated for example with 6 bar, whereby the 4/12 Austrian Patent Office AT13 906U1 2014-11-15
Compressed air requirement, for example, about 20 l / min.
A central control device (not shown) is used for the coordinated control of an electric motor as drive of the feed belt 3 and optionally the adjusting means of the feed belt 3, the displacement means 10, the Ausschubmittels 22 and the actuating means. The control device is designed in such a way that the method for automatic stacking proceeds as follows: The supply belt 3, which is height-adjustable or tilt-adjustable as a function of the height of the package stack 6 on the stacking station 8 located in the pickup position 7, moves deep-drawn packages 4 to the Stacking station 2. The thermoformed packages 4 are thrown from the outlet end 5 of the feed belt 3 into a stack cage 8 provided on a stacking station 8, in which a package stack 6 is formed in this way. The average clock power is, for example, 100 packs per minute. In the presence of a change requirement, for example, when reaching a predetermined number of thermoformed packages 4 in the package stack 6 or upon reaching a predetermined minimum weight of the package stack 6, the stack of 8 containing the stack of packs 8 by means of the displacement means 10 transversely to the feed direction 11 of the feed belt 3 of the receiving position 7 is moved to a Ausschubposition 20. Depending on the position of the moving table 9 while the right or left of the receiving position 7 arranged receiving position 20 is approached. The cycle time for this is, for example, about 0.5 seconds. If necessary, the speed of the feed belt 3 is briefly reduced during the displacement process via a corresponding control of the belt drive. With the same sliding movement of the second, adjacent stacking 8 is moved with the still empty stacking cage 12 to form a further stack of packs 6 in the receiving position 7 in front of the outgoing end 5 of the feed belt 3, d. H. to the place where the first stack 8 was previously located. Subsequently, that package stack 8, which is located in the stack cage 12 of the first stacking station 8, which is now in the adjacent to the receiving position 7 Ausschubposition 20, from there to the assigned, immediately adjacent acceptance slot 18 of the removal station 17 is ejected. For this purpose, the partition 14 is temporarily moved away between this stacking 8 and the acceptance place 18 by means of the actuating means, so that a pushing out of the package stack 6 by means of the Ausschubmittels 22 is possible. Subsequently, the partition 14 is moved back into its locking division. Only arranged between the Ausschubpositionen 20 and the acceptance slots 18 partitions are designed to be movable. The partition wall 24, which forms the rear end of the receiving position associated stack cage 12, is fixed.
The achievement of the change requirement can be monitored by mechanical, optical or other counter or the like (not shown) or sensors of various kinds, which are connected to the control device or transmit counting or measurement results to the control device.
A second embodiment of the invention is described with reference to Figs. 3 and 4. This is an embodiment with a take-off station 17 which can be displaced transversely to the feed direction 11 of the feed belt 3. As the person skilled in the art will recognize, in this second embodiment nothing changes on the operating principle described in connection with the first embodiment of the invention. In that regard, the structural and functional features and advantages described above also apply to the second embodiment.
3 and 4 additionally shown an adjacent to the removal station 17 acceptance device 25 with an acceptance slot 26. The acceptance device 25 is used to accept coming from the removal station 17 pack stack 6.
In the example, the acceptance device 25 is also a conveyor belt. However, this does not have to be adjustable in height. The acceptance slot 26 of the receiving device 25 is advantageously also with a stacking cage or one of the 5/12 Austrian Patent Office AT13 906U1 2014-11-15
Function of a stack cage adopting device, but at least provided with side guides 27, which should prevent tilting of the package stack 6. The distance of the side guides 27 to each other in turn is variably adjustable and can thus be adapted to the package width.
The removal station 17 has in the second embodiment of the invention, in turn, two acceptance slots 18, which, however, no longer spaced from each other, but are arranged immediately adjacent to each other. The removal station 17 is displaceable in such a way that in each case one of the acceptance locations 18 of the removal station 17 can be positioned in a dispensing position 28 relative to the acceptance device 25. For shifting the removal station 17, in turn, a displacement means 29 in the form of a pneumatically operated cylinder is used. The two displacement means 10, 29 may be constructively and / or functionally connected to each other. In the simplest case, a single, appropriately designed displacement means is used.
To push out a pack stack 6 from the located in the dispensing position 28 acceptance point 18 of the removal station 17 to the acceptance slot 26 of the acceptance device 25 is at least a second Ausschubmittel 30 in the form of a pneumatically operated cylinder with a arranged at the end of the cylinder rod 31st , which engages between stacking station 2 and removal station 17.
As well as the other cylinders 29, 30 can be connected to the compressed air system (not shown), so also serves the central control device (not shown) in addition to the coordinated control of an electric motor as a drive of the displacement means 29 and the Ausschubmittels 30th
The control device is designed in such a way that the method for automatic stacking is modified or supplemented as compared to the first embodiment as follows: During the pushing out of a package stack 6 from a stacking station 8 located in the ejection position 20 in the direction Removal station 17 is always one of the two acceptance slots 18 of the removal station 17 in one of two arranged on both sides of the discharge position 28 receiving positions 33, in that receiving position 33, which is the current Ausschubposition 20 of the stacking 8.
After a pack stack 6 has been pushed from a stacking station 8 to a receiving position 33 located in a take-off position 18 of the removal station 17, the removal station 17, regardless of the stacking station 2, transversely to the feed direction 11 of the feed belt 3, namely so that exactly one of the acceptance locations 18 of the removal station 17, namely that acceptance location 18, which has the package stack 6, is positioned in a central delivery position 28, which lies exactly opposite the acceptance device 25.
Subsequently, the package stack 6 is pushed by means of the ejection means 30 from this dispensing position 28 in the direction parallel to the feed direction 11 extending direction of acceptance 32 to the acceptance point 26 of the acceptance device 25. The conveyor belt 25 then conveys the package stack, for example, to a packaging machine.
In Fig. 3, a situation is shown in which the removal station 17 has moved by moving to the right a pack stack 6 to the discharge position 28, after this pack stack 6 previously from the left hand stacking position 8 of the stacking station 2 to the left acceptance place 18 of the removal station 17 was passed. While now the pack stack 6 can be passed from the removal station 17 to the receiving device 25, a refilling of the second, right stacking 8 of the stacking station 2. Is the stack of packs 6 completed, the stacking station 2 is moved so that the right stacking 8 the right Ausschubposition 20 occupies. While immediately thereafter, the left stacking station 8 is refilled, the package stack 6 is moved from the right stacking 8 on the correspondingly ready, empty acceptance point 18 of the removal station 17. Following this, the now filled acceptance area 18 will be replaced by its 6/12 Austrian Patent Office AT 13 906 Ul 2014-11-15
Receiving position 33 transferred to the dispensing position 28, from where the package stack 6 is passed to the receiving device 25 again.
All features shown in the description, the following claims and the drawings can be essential to the invention both individually, as well as in any combination.
REFERENCE LIST 1 Apparatus 2 Stacking station 3 Feed belt 4 Thermoforming pack 5 Expiring end 6 Packing stack 7 Receiving position 8 Stacking position 9 Transfer table 10 Displacing means 11 Feeding direction 12 Stacking cage 13 Side guide 14 Movable dividing wall 15 Transverse direction 16 Guide end 17 Removal station 18 Removal station 19 Separation direction 20 Expulsion position 21 Side guide 22 Extraction means 23 Extractor 24 fixed door wall 25 acceptance device 26 acceptance point 27 side guide 28 delivery position 29 displacement means 30 ejection means 31 ejector 32 take-off direction 33 receiving position 7/12
权利要求:
Claims (10)
[1]
Austrian patent office AT13 906U1 2014-11-15 Claims 1. A device (1) for automatic stacking of products packed in deep-drawn packages (4), with a stacking station (2) and a feed belt (3), with the aid of which the deep-drawn packages (4) the stacking station (2) being moved a number of juxtaposed, by means of at least a first displacement means (10) transversely to the feed direction (11) of the feed belt (3) in a receiving position (7) before the end ( 5) of the feed belt (3) displaceable, alternately fillable stacking stations (8) and wherein the feed belt (3) by means of an adjustment automatically height or inclination adjustable depending on the height of the pack stack (6) on a in a receiving position (7) located in the stacking station (8), and with a to the stacking station (2) adjacent to the removal station (17) with preferably one of the number of stacking spaces (8) corresponding number Auction slots (18), wherein at least a first Ausschubmittel (22) is provided for ejecting a pack stack (6) from a not in a receiving position (7) located stacking place (8) on one of the acceptance slots (18).
[2]
2. Apparatus according to claim 1, characterized in that one of the removal station (17) adjacent receiving means (25) with an acceptance slot (26) is provided and that the removal station (17) by means of at least one second displacement means (29) transversely to the Supply direction (11) of the feed belt (3) is displaceable such that in each case one of the acceptance slots (18) of the removal station (17) in a dispensing position (28) relative to the receiving device (25) can be positioned.
[3]
3. A device according to claim 2, characterized in that at least one second Ausschubmittel (30) is provided for ejecting a pack stack (6) from the in the dispensing position (28) located acceptance point (18) of the removal station (17) on the acceptance point ( 26) of the acceptance device (25).
[4]
4. Device (1) according to one of claims 1 to 3, characterized in that each stacking station (8) is associated with a stackable cage (12) with preferably in the transverse direction (15) position variable side guides (13).
[5]
5. Device (1) according to one of claims 1 to 4, characterized by at least one stacking station (2) and removal station (17) arranged in a locked position at least one of the stacking places (6) from the respective acceptance place (18) separating and in a passage position pushing out a stack of packs (6) on this acceptance slot (18) permitting partition (14) before the ejection of a pack stack (6) automatically by means of an actuating means in the forward position movable and after pushing out of the pack stack (6) automatically with Help the actuator is movable into the locked position.
[6]
6. Device (1) according to one of claims 1 to 5, characterized in that each receiving space (18) are assigned in the transverse direction (15) positionally variable side guides (21).
[7]
7. Device (1) according to one of claims 1 to 6, characterized in that the adjusting means and / or the displacement means (10) and / or the first and second ejection means (22, 30) and / or the actuating means a pneumatically or hydraulically having operated cylinder.
[8]
8. Device (1) according to one of claims 1 to 6, characterized by a central control device for the coordinated control of a Zuführbandantriebes and / or the adjusting means and / or the displacement means (10) and / or the first or second Ausschubmittels (22, 30) and / or the actuating means. 8/12 Austrian Patent Office AT13 906U1 2014-11-15
[9]
9. Device (1) according to one of claims 1 to 8, characterized by a control device for controlling the device (1) such that - depending on the height of the pack stack (6) on which in the receiving position (7) height-adjustable or tilt-adjustable feed belt (3) moves deep-drawn packages (4) to the stacking station (2) and stacks them there on a stacking station (8) in a receiving position (7) to form a stack of packs (6); a stacking station (8) having a stack of packs (8) in the presence of a change requirement transverse to the feed direction (11) of the infeed conveyor (3) from a receiving position (7) to an ejection position (20) and at the same time another stacking station (8) for formation a package stack (6) is moved into a receiving position (7), and - that a package stack (6) from a stacking station (8) located in the ejection position (20) to one of the removal locations (18) Removal station (17) is ejected.
[10]
10. The device according to claim 9, characterized by a control device such that - the removal station (17) transversely to the feed direction (11) of the feed belt (3) is displaced such that in each case one of the acceptance slots (18) of the removal station (17) in a delivery position (28) can be positioned relative to the acceptance device (25), and - that then a pack stack (6) from the accepting device (25) positioned acceptance station (18) of the removal station (17) to the acceptance point (26) of the acceptance device ( 25) is ejected. For this 3 sheets drawings 9/12
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同族专利:
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引用文献:
公开号 | 申请日 | 公开日 | 申请人 | 专利标题
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JPH071282A|1991-09-30|1995-01-06|Enshu Ltd|Jig file preparation managing method|
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法律状态:
2016-05-15| MM01| Lapse because of not paying annual fees|Effective date: 20150930 |
优先权:
申请号 | 申请日 | 专利标题
DE201120107239|DE202011107239U1|2011-10-28|2011-10-28|Device for automatic stacking of products packed in thermoformed packages|
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