CN211393087U

CN211393087U - Stacking and tray separation system

Info

Publication number: CN211393087U
Application number: CN201922496294.2U
Authority: CN
Inventors: 叶胡军; 霍伟津; 潘志竞; 程华山; 曾红斌
Original assignee: Foshan Haitian Flavoring and Food Co Ltd; Foshan Haitian Gaoming Flavoring and Food Co Ltd
Current assignee: Foshan Haitian Flavoring and Food Co Ltd; Foshan Haitian Gaoming Flavoring and Food Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-01
Anticipated expiration: 2029-12-31

Abstract

The present disclosure provides a stack and tray separation system, comprising: a stack and tray separating device configured to unload the stack from the tray on which the stack is loaded, the stack and tray separating device including a frame and a clamping device provided on the frame; a code disc device configured to automatically stack and unload the stacked empty trays; and the conveying device is configured to convey the tray loaded with the stack and the empty tray unloaded with the stack, the conveying device is arranged between the stack and tray separating device and the coded disc device, the conveying direction of the conveying device is variable, one part of the conveying device is positioned at the lower side of the inside of the rack, and the other part of the conveying device is positioned outside the rack. This openly is favorable to improving the efficiency of warehouse shipment loading.

Description

Stacking and tray separation system

Technical Field

The disclosure relates to the field of conveying equipment, in particular to a stacking and tray separating system.

Background

When forming stacked goods, such as stacks of boxes, for example, from a warehouse for loading, the stacks containing pallets are handled, usually by a forklift, placed on a truck and manually stacked, box by box, in the truck bed. After loading is completed, the empty pallet is removed by a forklift.

Under the mode of unloading and loading, 2 loading transporters are generally used for loading one trolley, the time is about 1.5-2 hours, the loading speed is lower than the unloading speed of warehouse equipment, the warehouse equipment is stopped for waiting, and the unloading capacity is wasted. Meanwhile, as the stack and the tray are carried into the carriage of the truck together, after the loading is finished, the tray still needs to be carried away by a forklift, and the working procedures and the working time are increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stack and tray piece-rate system to improve the efficiency of warehouse shipment loading.

The present disclosure provides a stack and tray separation system, comprising:

a stack and tray separating device configured to unload a stack from a tray on which the stack is loaded, the stack and tray separating device including a frame and a clamping device provided on the frame;

a code disc device configured to automatically stack and unload the stacked empty trays; and

and the conveying device is arranged between the stack and tray separating device and the code disc device, the conveying direction of the conveying device can be changed, one part of the conveying device is positioned at the lower side of the inside of the rack, and the other part of the conveying device is positioned outside the rack.

In some embodiments, the conveying device includes a first conveyor and a second conveyor arranged in series, at least a portion of the first conveyor being located on a lower side of the interior of the housing, the first conveyor being configured to convey trays loaded with stacks to the stack and tray separating device or empty trays unloaded with stacks to the second conveyor, the second conveyor being rotatably arranged between the first conveyor and the code wheel device, the second conveyor being configured to receive and convey trays loaded with stacks to the first conveyor and empty trays unloaded with stacks to the code wheel device.

In some embodiments, the second conveyor comprises at least one rotary conveyor disposed between the stack and tray separation device and the code wheel device.

In some embodiments of the present invention, the,

the stacking and tray separating system comprises two stacking and tray separating devices which are arranged in parallel at intervals and the code disc device arranged between the two stacking and tray separating devices;

the second conveyor includes three rotary conveyors respectively corresponding to the two stack and tray separating devices and the code wheel device, each of the rotary conveyors is configured to be capable of mutually transferring a tray loaded with a stack and an empty tray unloaded with a stack with the first conveyor or the code wheel device cooperating with the corresponding stack and tray separating device, and the tray loaded with a stack and the empty tray unloaded with a stack are mutually transferable between adjacent rotary conveyors.

In some embodiments, the first conveyor includes a carrier table that is elevatably disposed at an underside of the interior of the frame.

In some embodiments, the clamping device is liftably disposed on the frame.

In some embodiments, the frame is a frame structure having an inlet side and an outlet side disposed opposite to each other and two clamping sides disposed opposite to each other between the inlet side and the outlet side; the two clamping devices are respectively arranged on the two clamping sides of the rack and comprise a clamping mechanism and a clamping mechanism driving device.

In some embodiments, the clamping mechanism comprises:

a support;

one rod end of a first end of the scissor structure is hinged with the rack and is fixed on a hinge axis, the other rod end of the scissor structure is hinged with the rack and is movable relative to the rack, one rod end of a second end of the scissor structure is hinged with the support and is fixed on the axis, and the other rod end of the scissor structure is hinged with the support and is movable relative to the support; and

the clamping part is arranged on the bracket.

In some embodiments, the stack and tray separation apparatus includes a blocking device coupled to the frame, the blocking device having a blocking position in which the blocking device at least partially closes the entrance side of the frame and an escape position in which the blocking device opens the entrance side of the frame.

In some embodiments, the blocking device comprises a side arm assembly disposed at an inlet side of the frame, the side arm assembly comprising a side arm hinged to the frame and a side arm driving device drivingly connected to the side arm.

In some embodiments, the clamp is hinged about a vertical axis relative to the bracket.

In some embodiments, the clamping device comprises a clamping portion configured to contact the stack to clamp the stack, a surface of the clamping portion for clamping the stack having a non-slip structure.

In some embodiments, the stack and tray separating means comprises detection means, connected to the frame or the gripping means, configured to detect the state of the stack and tray separating means and/or the separated stack and tray.

The stacking and tray separating system provided by the embodiment of the disclosure does not need manual participation in the processes of conveying stacks and trays or empty trays, unloading stacks and empty tray code discs and the like, can realize automatic separation of stacks and trays, and is beneficial to reducing the number of people for loading and carrying workers and reducing the loading time of each vehicle.

Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and not to limit the disclosure. In the drawings:

fig. 1 is a schematic diagram of a stacking and tray separation system provided in some embodiments of the present disclosure.

Fig. 2 is a schematic perspective view of a stacking and tray separating device according to some embodiments of the disclosure.

Fig. 3 is a top view of the stacking and tray separation apparatus and carrier table shown in fig. 2.

Fig. 4 is a partially enlarged schematic view of the frame and clamping device shown in fig. 2.

In fig. 1 to 4, each reference numeral represents:

1-stacking and tray separating means; 11-a frame; 110-a housing; 120-a support; 121 — a first rod; 122 — a second rod; 123-connecting shaft; 13-a first hydraulic cylinder; 141-a first linear guide pair; 142-a second linear guide pair; 15-a second hydraulic cylinder; 16-side arm; 17-a clamping part; 2-code disc device; 31 — a first conveyor; 310, a bearing table; 311-horizontal conveyor; 32-a second conveyor; 32A — first rotary conveyor; 32B — second rotary conveyor.

Detailed Description

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present disclosure, it should be understood that the terms "first", "second", etc. are used to define the components, and are used only for convenience of distinguishing the corresponding components, and if not otherwise stated, the terms have no special meaning, and thus, should not be construed as limiting the scope of the present disclosure.

In the description of the present disclosure, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are presented only for the convenience of describing and simplifying the disclosure, and in the absence of a contrary indication, these directional terms are not intended to indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the disclosure; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

As shown in fig. 1, the present disclosure provides a stack and tray separating system including a stack and tray separating device 1, a code wheel device 2, and a conveying device. Wherein the stack and tray separating apparatus 1 is configured to unload a stack from a tray on which the stack is loaded, the stack and tray separating apparatus 1 comprising a frame 11 and a clamping device provided on the frame 11. The code wheel device 2 is configured to automatically stack empty trays after unloading the stacks. The conveying device is arranged between the stacking and tray separating device 1 and the coded disc device 2 and is configured to convey trays for loading stacks and empty trays for unloading stacks, the conveying device is arranged between the stacking and tray separating device 1 and the coded disc device 2, the conveying direction of the conveying device is variable, one part of the conveying device is positioned at the lower side of the inside of the rack 11, and the other part of the conveying device is positioned outside the rack 11.

Fig. 1 indicates a tray conveying direction of a loaded stack and an empty tray conveying direction, respectively. The working process of the stacking and tray separation system provided by the present disclosure is as follows: the trays loaded with the stacks are transferred from the outside of the stacking and tray separating system to the stacking and tray separating device 1 through the first conveyor 31 by the second conveyor 32; the clamping device performs a clamping action to clamp the stack for unloading the stack from the tray; when the carrying vehicle reaches the goods taking position of the stacking and tray separating device 1, the clamping device loosens the stack, and the carrying vehicle takes the stack away; the unloaded and stacked empty pallets are transferred to the code disc device 2 through the first conveyor 31 and the second conveyor 32; the code disc device 2 automatically codes and empties the tray.

It can be seen from the above working process that the stacking and tray separating system provided by the embodiment of the disclosure does not need manual participation in the processes of conveying stacks and trays or empty trays, unloading stacks and empty tray code discs and the like, can realize automatic separation of stacks and trays, and is beneficial to reducing the number of people for loading and carrying workers and reducing the loading time of each vehicle.

In some embodiments, the conveyor device includes a first conveyor 31 and a second conveyor 32 arranged in series. At least a part of the first conveyor 31 is located at a lower side inside the frame 11, and the first conveyor 31 is configured to convey a tray loaded with a stack to the stack and tray separating apparatus 1 or convey an empty tray unloaded with a stack to the second conveyor 32. The second conveyor 32 is rotatably provided between the first conveyor 31 and the code wheel device 2 so as to adjust the conveying direction. The second conveyor 32 is configured to convey the trays loaded with the stacks to the first conveyor 31 or convey the empty trays unloaded with the stacks to the code wheel device 2. The first conveyor 31 and the second conveyor 32 may take various forms such as a roller conveyor, a belt conveyor, a chain conveyor, and the like.

According to the actual warehouse-out loading requirement, a plurality of stacking and tray separating devices 1, first conveyors 31 and second conveyors 32 can be arranged, wherein the stacking and tray separating devices 1 and the first conveyors 31 generally correspond to one another. The second conveyor 32 may comprise a rotary conveyor. The stacking and tray separation system can be arranged in different ways according to different delivery sites.

For example, the second conveyor 32 includes three rotary conveyors corresponding to the two stack and tray separating devices 1 and the code wheel device 2, respectively, each of which is configured to be able to mutually transfer a tray loaded with a stack and an empty tray unloaded with a stack with the first conveyor 31 or the code wheel device cooperating with the corresponding stack and tray separating device, and to mutually transfer a tray loaded with a stack and an empty tray unloaded with a stack between adjacent rotary conveyors.

As shown in fig. 1, the stacking and tray separating system includes two stacking and tray separating devices 1, one code wheel device 2, two first conveyors 31 corresponding to the stacking and tray separating devices 1 one by one, two first rotary conveyors 32A disposed adjacent to the first conveyors 31, and one second rotary conveyor 32B disposed adjacent to the code wheel device 2. Two first conveyors 31 are arranged in parallel with the code wheel device 2, and a second rotary conveyor 32B is arranged adjacent to the two first rotary conveyors 32A. The first rotary conveyor 32A can adjust the conveying direction to the direction of the first conveyor 31 or the second rotary conveyor 32B, respectively, and the second rotary conveyor 32B can adjust the conveying direction to the direction of the first rotary conveyor 32A or the code wheel device 2, respectively.

In the stacking and tray separating system provided by the disclosure, the tray can descend by a certain height relative to the stack or ascend by a certain height relative to the tray by a liftable bearing platform or a liftable clamping mechanism, so that the automatic separation of the stack and the tray is realized.

As shown in fig. 1 and 3, in some embodiments, the first conveyor 31 includes a carrier table 310, and the carrier table 310 is disposed at a lower side of the inside of the rack 11 in a liftable manner. As shown in fig. 1, the carrier table 310 may be used in conjunction with a horizontal conveyor 311. The work process in which the carrier table 310 and the horizontal conveyor 311 participate in the separation of the stack from the tray is as follows: the stack containing the trays is transferred to the bearing table 310 through the inlet side of the frame 11 along with the horizontal conveyor 311, the bearing table 310 is lifted to the clamping height of the clamping device, the clamping device clamps the stack, the trays descend along with the bearing table 310, and the stack and the trays are automatically separated.

In some embodiments, not shown in the drawings, the holding device is arranged elevatably on the frame 11. The first conveyor 31 participates in the operation of separating the stack from the pallet as follows: the stack containing the tray flows into the stacking and tray separating device 1 through the inlet side of the rack 11 along with the first conveyor 31, the clamping device descends by a certain height and clamps the stack, the stack ascends along with the clamping device, and the stack is automatically separated from the tray.

As shown in fig. 2 and 3, in some embodiments, the frame 11 is a frame structure having an inlet side and an outlet side disposed opposite to each other and two clamping sides disposed opposite to each other between the inlet side and the outlet side; the two clamping devices are respectively arranged on two clamping sides of the frame 11, and each clamping device comprises a clamping mechanism and a clamping mechanism driving device.

The frame 11 includes two first beams located at the upper and lower ends of the entrance side, two second beams located at the upper and lower ends of the exit side, and four longitudinal beams connected between the first beams and the second beams and located at the upper and lower ends of the two clamping sides, respectively. The frame 11 also comprises two first uprights at both sides of the exit side and two second uprights at both sides of the entrance side. Each upright post is connected with the corresponding cross beam and the corresponding longitudinal beam to form a stable frame structure. The housings 110 are respectively provided outside both clamping sides of the housing 11. The two ends of the casing 110 are respectively connected with the first upright column and the second upright column of the frame 11, and the casing 110 at least partially encloses the square frame formed by the longitudinal beam, the first upright column and the second upright column of the frame 11. The housing 110 is advantageous for better fixing and protecting the clamping device.

In some embodiments, the stack and tray separating apparatus 1 comprises a detecting device, connected to the frame 11 or the holding device, configured to detect the state of the stack and tray separating apparatus 1 and/or the separated stack and tray. For example, the positioning of the stack in the stack-and-tray separating apparatus 1, the arrival of the forklift at the pickup position, the clamping force of the clamping apparatus, and the like are detected.

In some embodiments, the clamping mechanism comprises: bracket 120, scissors structure and grip 17. One rod end of the first end of the scissors structure is hinged with the frame 11 and the hinge axis is fixed, the other rod end of the scissors structure is hinged with the frame 11 and the hinge axis is movable relative to the frame 11, one rod end of the second end of the scissors structure is hinged with the bracket 120 and the hinge axis is fixed, and the other rod end of the scissors structure is hinged with the bracket 120 and the hinge axis is movable relative to the bracket 120. As shown in fig. 2 and 3, the clamping portion 17 is provided on the bracket 120, and the clamping portion 17 may have various forms, such as a clamping plate.

As shown in fig. 4, in order to implement the telescopic action of the scissors mechanism between the frame 11 and the bracket 120, the stacking and tray separation system may include a first linear guide pair 141 and a second linear guide pair 142. The guide rail part of the first linear guide rail pair 141 is fixedly connected with the machine shell 110, and the slider part of the first linear guide rail pair 141 is hinged with one of the two rod ends at the first end of the scissors structure; the guide portion of the second linear guide pair 142 is fixedly connected to the bracket 120, and the slider portion of the second linear guide pair 142 is hinged to one of the two rod ends of the second end of the scissors structure.

In some embodiments, the clamping mechanism includes two scissor structures arranged in parallel, each of which may include one or more sets of scissor levers. The scissors structure includes a connecting shaft 123, and the connecting shaft 123 is connected between the two scissors structures. As shown in fig. 4, when the scissors structure includes a set of scissors rod pieces, the scissors rod pieces include a first rod piece 121 and a second rod piece 122, a middle portion of the first rod piece 121 is hinged to a middle portion of the second rod piece 122, two ends of the first rod piece 121 are respectively hinged to the sliding block portion of the first linear guide rail pair 141 and the bracket 120, and two ends of the second rod piece 122 are respectively hinged to the sliding block portion of the second linear guide rail pair 142 and the housing 110.

As shown in fig. 3, in some embodiments, the clamp 17 is hinged to the bracket 120 about a vertical axis. This connection enables the gripping portion 17 to better conform to the goods in the stack and pallet in their transport direction.

As shown in fig. 3, in some embodiments, the surface of the holding portion 17 for holding the stack has a skidproof structure, which may be serrated or granular, and in order to further enhance the skidproof effect, the surface of the holding portion 7 for holding the stack may be made of skidproof material.

As shown in fig. 2, in some embodiments, the gripping mechanism driving device comprises a first hydraulic cylinder 13, and a cylinder body and a piston rod of the first hydraulic cylinder 13 are respectively hinged with the frame 11 and the scissors structure. In some embodiments, the cylinder and the piston rod of the first hydraulic cylinder 13 are connected to the frame 11 and to the articulation shafts of two mutually articulated connecting rods of the scissors structure, respectively. As shown in fig. 2 and 4, the cylinder body of the first hydraulic cylinder 13 is hinged to the housing 110, and the piston rod of the first hydraulic cylinder 13 is hinged to the connecting shaft 123. Under the drive of the first hydraulic cylinder 13, the scissor structure drives the two clamping parts 17 to approach each other, so that the stack can be automatically clamped.

In some embodiments, the stacking and pallet separation apparatus 1 comprises a blocking device connected to the frame 11, the blocking device having a blocking position in which the blocking device at least partially closes the entrance side of the frame 11 and an escape position in which the blocking device opens the entrance side of the frame 11. The blocking device can play a role in blocking the inlet side of the frame 11, and safety of the clamping device in clamping action is improved.

In some embodiments, the blocking device comprises a side arm assembly disposed at an inlet side of the frame 11, the side arm assembly comprising a side arm 16 hingedly connected to the frame 11 and a side arm driving device drivingly connected to the side arm 16.

As shown in fig. 2, in some embodiments, the side arm driving device includes a second hydraulic cylinder 15, and a cylinder body and a piston rod of the second hydraulic cylinder 15 are respectively hinged with the frame 11 and the side arm 16. After the positioning of the trays containing the stacks in the stacking and tray separating system is completed, the side arm 16 is driven by the second hydraulic cylinder 15 to switch from the avoiding position to the blocking position.

Finally, it should be noted that: the above examples are intended only to illustrate the technical solutions of the present disclosure and not to limit them; although the present disclosure has been described in detail with reference to preferred embodiments, those of ordinary skill in the art will understand that: modifications to the embodiments of the disclosure or equivalent replacements of parts of the technical features may be made, which are all covered by the technical solution claimed by the disclosure.

Claims

1. A stacking and tray separation system, comprising:

a stack-and-tray separating device (1) configured to unload a stack from a tray loaded with the stack, said stack-and-tray separating device (1) comprising a frame (11) and gripping means arranged on said frame (11);

a code wheel device (2) configured to automatically stack and unload the empty stacked trays; and

the conveying device is arranged between the stack and tray separating device (1) and the coded disc device (2) and is configured to convey trays for loading stacks and empty trays for unloading stacks, the conveying device is arranged between the stack and tray separating device (1) and the coded disc device (2) and the conveying direction of the conveying device is variable, one part of the conveying device is positioned at the lower side of the inside of the rack (11), and the other part of the conveying device is positioned outside the rack (11).

2. A stack and tray separation system according to claim 1, characterized in that the conveying means comprise a first conveyor (31) and a second conveyor (32) arranged in series, at least a part of the first conveyor (31) being located at a lower side inside the housing (11), the first conveyor (31) being configured to convey trays loaded with stacks to the stack and tray separation device (1) or empty trays unloaded with stacks to the second conveyor (32), the second conveyor (32) being rotatably arranged between the first conveyor (31) and the code wheel device (2), the second conveyor (32) being configured to receive and convey trays loaded with stacks to the first conveyor (31) and empty trays unloaded with stacks to the code wheel device (2).

3. A stack and tray separation system according to claim 2, characterized in that the second conveyor (32) comprises at least one rotary conveyor arranged between the stack and tray separation device (1) and the code wheel device (2).

4. The stack and tray separation system of claim 3,

the stacking and tray separating system comprises two stacking and tray separating devices (1) which are arranged in parallel at intervals and a code disc device (2) which is arranged between the two stacking and tray separating devices (1);

the second conveyor (32) comprises three rotary conveyors corresponding to the two stack and tray separating devices (1) and the code wheel device (2), respectively, each rotary conveyor being configured so that the first conveyor (31) or the code wheel device (2) capable of cooperating with the corresponding stack and tray separating device (1) mutually transfers the trays loaded with stacks and the empty trays unloaded with stacks, and so that adjacent rotary conveyors mutually transfer the trays loaded with stacks and the empty trays unloaded with stacks.

5. A stacking and tray separating system according to claim 2, characterised in that the first conveyor (31) comprises a carrier table (310), which carrier table (310) is elevatably arranged at the lower side inside the chassis (11).

6. A stacking and tray separation system according to claim 2, characterised in that the gripping means are liftable arranged on the chassis (11).

7. A stacking and tray separation system according to any one of claims 1-6, characterised in that the chassis (11) is of frame construction with an oppositely arranged entry side and an exit side and two oppositely arranged clamping sides between the entry side and the exit side; the two clamping devices are respectively arranged on two clamping sides of the rack (11), and each clamping device comprises a clamping mechanism and a clamping mechanism driving device.

8. The stacking and tray separation system of claim 7 wherein the clamping mechanism comprises:

a bracket (120);

a scissor structure, one rod end of a first end of the scissor structure is hinged with the frame (11) and the hinge axis is fixed, the other rod end of the scissor structure is hinged with the frame (11) and the hinge axis is movable relative to the frame (11), one rod end of a second end of the scissor structure is hinged with the bracket (120) and the axis is fixed, and the other rod end of the scissor structure is hinged with the bracket (120) and the hinge axis is movable relative to the bracket (120); and

a clamping portion (17) provided on the bracket (120).

9. A stacking and tray separation system according to claim 7, characterised in that the stacking and tray separation device (1) comprises a blocking device connected to the chassis (11), which blocking device has a blocking position in which it at least partially closes the entrance side of the chassis (11) and an escape position in which it opens the entrance side of the chassis (11).

10. A stacking and tray separation system according to claim 9, characterised in that the blocking means comprise a side arm assembly arranged at the inlet side of the frame (11), the side arm assembly comprising a side arm (16) articulated with the frame (11) and a side arm drive means drivingly connected with the side arm (16).

11. A stacking and tray separation system according to claim 8, characterised in that the gripping portion (17) is hinged about an axis in the vertical direction with respect to the support (120).

12. A stack and tray separation system according to any one of claims 1-6, characterized in that the clamping means comprise a clamping portion (17) configured to be brought into contact with the stack to clamp the stack, the surface of the clamping portion (17) for clamping the stack having a slip-resistant structure.

13. A stack and tray separation system according to any one of claims 1 to 6, characterized in that the stack and tray separation device (1) comprises a detection device, connected to the chassis (11) or to the gripping device, configured to detect the status of the stack and tray separation device (1) and/or of a separated stack and tray.