Pre-stacking device, battery processing equipment and pre-stacking method
Patent Information
- Application Number
- CN202380066850.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-06-21
- Publication Date
- 2025-05-06
AI Technical Summary
During the pre-stacking of battery cells, the stacking procedures of the prior art are complex and have poor stability, resulting in low efficiency and affecting the stability of subsequently assembled battery modules or battery structures.
Provides a pre-stacking device, including a mounting base, a tray and a push assembly, to achieve automated and stable stacking through a multi-station stacking program, and to synchronize production between multiple stations using push assembly and clamp assembly to ensure tight fit of the battery cell and balance.
The efficiency and stability of pre-stack of battery cells is improved, production costs are reduced, and structural stability of subsequent assembly is ensured.
Smart Images
Figure CN119948659A_ABST
Abstract
Description
Pre-stacking device, battery processing equipment and pre-stacking method Technical Field
[0001] The present application relates to the field of battery technology, and in particular to a pre-stacking device, battery processing equipment, and a pre-stacking method. Background Art
[0002] During the battery production process, multiple battery cells need to be pre-stacked and then assembled to form a battery module or battery.
[0003] However, in the current pre-stacking process of battery cells, the stacking procedure is complex and has poor stability, resulting in low efficiency of the pre-stacking process. In severe cases, it may also affect the structural stability of the battery module or battery formed by subsequent assembly.
[0004] Summary of the Invention
[0005] Based on this, the present application provides a pre-stacking device, battery processing equipment and a pre-stacking method.
[0006] In a first aspect, the present application provides a pre-stacking device comprising a mounting base, a tray, and a pushing assembly. The mounting base comprises at least one station, a tray is disposed on the mounting base, and the tray is used to carry at least two battery cells arranged along its thickness direction. The pushing assembly is movably disposed at one of the stations along the thickness direction of the battery cells, wherein the pushing assembly is used to drive the battery cells on the tray to move along the thickness direction of the battery cells at the corresponding station so that each two adjacent battery cells are aligned with each other.
[0007] In the technical solution of the embodiment of the present application, when the tray and the battery cells on the tray move to the work station where the pushing component is located, the pushing operation of the inference component is used to achieve tight stacking of multiple battery cells along their own thickness direction, thereby providing an automatic stacking device.
[0008] In some embodiments, the workstations include a first workstation, a second workstation, and a third workstation arranged at circumferential intervals, and the tray is constructed to be able to rotate between the first workstation, the second workstation, and the third workstation; the first workstation is used to load battery cells onto the tray, the pushing assembly is located on the second workstation, and the third workstation is used to unload battery cells that are bonded to each other on the tray.
[0009] In the technical solution of the embodiment of the present application, a simple multi-station stacking program is formed to realize the loading, stacking, and unloading processes of battery cells. The battery cells are taken and placed without affecting each other between different stations. The pre-stacking is decomposed into multiple steps and formed into a cycle to realize automatic pre-stacking, so that the pre-stacking efficiency of the battery cells is improved, the pre-stacking stability is good, and the production is synchronized between different stations without affecting each other, thereby improving production efficiency.
[0010] In some embodiments, the mounting base includes a base and a support member rotatably disposed on the base, the base having a first station, a second station, and a third station spaced along its circumference, the base including multiple trays, all of which are disposed on the support member and rotate with the support member, when one of the trays moves to the first station, there is a tray on the second station, and the third station.
[0011] In the technical solution of the embodiment of the present application, when the pallet on the first station is loading, the pallet on the fourth station is pre-stacked, and the pallet on the second station is unloading, and the cycle repeats without affecting each other, thereby improving production efficiency.
[0012] In some embodiments, the mounting base further has a fourth station, which is spaced between the first station and the second station; when the tray is located at the fourth station, at least two battery cells are pre-stacked on the tray along its thickness direction.
[0013] In the technical solution of the embodiment of the present application, pre-stacking of formulated battery cells can be achieved simultaneously, thereby improving production efficiency.
[0014] In some embodiments, the pre-stacking device further includes a positioning assembly, which is disposed at the first station and is used to fix the tray at the first station.
[0015] In the technical solution of the embodiment of the present application, the present application can realize automatic positioning of the first workstation and automatically stop the tray to perform operations at each workstation through the setting of the positioning component.
[0016] In some embodiments, the pre-stacking device further comprises a first clamping assembly configured to be movably disposed on the mounting seat along the height direction of the battery cells. The first clamping assembly can clamp each battery cell on the tray along the width direction of the battery cells when the tray moves to the second station.
[0017] In the technical solution of the embodiment of the present application, the first clamping assembly is movable in the height direction of the battery cell, allowing the first clamping assembly to smoothly clamp the battery cell when the battery cell moves to the second station, ensuring the effectiveness of the push assembly's prediction. Furthermore, the first clamping assembly does not affect the battery cell's movement with the tray under other circumstances, allowing the battery cell to be smoothly moved between multiple stations.
[0018] In some embodiments, the pre-stacking device further comprises a second clamping assembly disposed on the tray and configured to clamp each battery cell on the tray along the width direction of the battery cell. The first clamping assembly is spaced apart from the second clamping assembly along the height direction of the battery cell.
[0019] In the technical solution of the embodiment of the present application, the second clamping assembly and the first clamping assembly can be spaced apart from each other along the height direction of the battery cell, and at the same time clamp and fix the opposite ends of the battery cell in the height direction, thereby balancing the friction between the battery cell and its supporting surface, making the pre-stacking process of the battery cell smoother, reducing the probability of the battery cell falling over during the pre-stacking process, and making the stacking of the battery cell more stable.
[0020] In some embodiments, the first clamping assembly and the second clamping assembly each include a first clamping member and a second clamping member respectively arranged on both sides of the tray along the width direction of the battery cell, and at least one of the first clamping member and the second clamping member is configured to be movably arranged along the width direction of the battery cell.
[0021] In the technical solution of the embodiment of the present application, by providing the first clamping member and the second clamping member, the battery cell can be smoothly clamped, so that the battery cell can be stably set on the tray and the battery cell can maintain balance during the pressurization process.
[0022] In some embodiments, the second clamping assembly further includes a main body and a first driving member, wherein the first driving member is connected between the main body and the mounting seat and is used to drive the main body to move along the height direction of the battery cell;
[0023] Wherein, the first clamping member and the second clamping member in the second clamping assembly are arranged on the main body.
[0024] In the technical solution of the embodiment of the present application, by setting up a main body and a first driving member, the first clamping member and the second clamping member can be driven to move along the height direction of the battery cell, thereby clamping and fixing the battery cell when pressurizing, and avoiding the battery cell when pressurizing is not required.
[0025] In some embodiments, the second clamping assembly further includes a limiting assembly disposed on the main body and located between the first clamping member and the second clamping member, the limiting assembly being configured to press each battery cell on the tray along a height direction of the battery cell.
[0026] In the technical solution of the embodiment of the present application, when the first and second clamping members clamp the upper sides of the battery cells along their width, the limiting assembly is located between the first and second clamping members and can press downward on the battery cells, stably supporting the battery cells on the support surface of the tray. This ensures greater stability of the battery cells during the pre-stacking process.
[0027] In some embodiments, the limiting assembly includes an adjusting member and a pressing member. The adjusting member is telescopically connected between the main body and the pressing member along the height direction of the battery cell. The pressing member is used to press each battery cell on the tray along the height direction of the battery cell.
[0028] In the technical solution of the embodiment of the present application, by providing the adjusting member and the pressing member, the battery cell can be pressed against the tray more stably, so that the battery cell can maintain balance during the process of pushing the battery cell.
[0029] In some embodiments, the pressing member includes a connecting portion and a rolling portion, the connecting portion is connected to the adjusting member, the rolling portion is rotatably arranged on the connecting portion along the thickness direction of the battery cell, and is used to roll and press against each battery cell on the tray along the height direction of the battery cell.
[0030] In the technical solution of the embodiment of the present application, by providing a rolling portion, the pressing member can achieve rolling pressing against the battery cell, and can continuously apply pressing force when the battery cells move closer to each other along the thickness direction, making the pressing process more stable.
[0031] In some embodiments, the pushing assembly includes a supporting member and a pushing member, the supporting member is arranged on the tray, the pushing member is movably arranged on the mounting seat along the thickness direction of the battery cell, and the supporting member and the pushing member are respectively located on both sides of the tray along the thickness direction of the battery cell, and the pushing member is configured to push each battery cell on the tray against the supporting member along the thickness direction of the battery cell.
[0032] In the technical solution of the embodiment of the present application, through the mutual cooperation between the abutting member and the pushing member, the pre-stacking of multiple battery cells can be smoothly achieved, so that the battery cells are tightly fitted along their thickness direction to facilitate subsequent assembly.
[0033] In some embodiments, the mounting base includes a base and a support member rotatably disposed on the base, the support member having a pressurizing position and at least two pre-stacking positions spaced apart along its circumference, each pre-stacking position correspondingly provided with a tray and a first clamping assembly; the second clamping assembly and the pushing assembly are both disposed at the pressurizing position;
[0034] Among them, the second clamping assembly is configured to clamp each battery cell on the tray along the width direction of the battery cell when one of the trays rotates to the pressurizing position; the pushing assembly is configured to perform a pushing operation on each battery cell on the tray when one of the trays rotates to the pressurizing position.
[0035] In the technical solution of the embodiment of the present application, by providing support members, battery cells can be stacked synchronously on multiple pre-stacking positions and rotated to pressurizing positions in sequence for pressurization, thereby improving the efficiency of the battery cell pre-stacking process.
[0036] In some embodiments, the pre-stacking device further comprises a detection component disposed on the tray for detecting whether there are battery cells on the tray.
[0037] In the technical solution of the embodiment of the present application, through the setting of the detection component, the pushing component can be intelligently controlled according to the detection structure of the detection component to avoid safety accidents.
[0038] In a second aspect, the present application provides a battery processing device comprising the pre-stacking device as described above.
[0039] In a third aspect, the present application provides a pre-stacking method, comprising the following steps:
[0040] Control the tray to move to the first station of the mounting base, and place at least two battery cells on the tray along the thickness direction of the battery cells;
[0041] Controlling the tray to move to the second station of the mounting base, and controlling the pushing assembly to drive the battery cells on the tray to move along the thickness direction of the battery cells so that every two adjacent battery cells are attached to each other;
[0042] Control the tray to move to the third station of the mounting base and remove the battery cell from the tray;
[0043] In the technical solution of the embodiment of the present application, a simple multi-station stacking program is formed to realize the loading, stacking, and unloading processes of battery cells. The battery cells are taken and placed without affecting each other between different stations. The pre-stacking is decomposed into multiple steps and formed into a cycle to realize automatic pre-stacking, so that the pre-stacking efficiency of the battery cells is improved, the pre-stacking stability is good, and the production is synchronized between different stations without affecting each other, thereby improving production efficiency.
[0044] In some embodiments, the method further includes the following steps: controlling the tray to move to the fourth station of the mounting base, and placing at least two battery cells on the tray along the thickness direction of the tray.
[0045] In the technical solution of the embodiment of the present application, the pre-stacking device of the present application can not only realize the simultaneous stacking and unloading of formulated battery cells, but also realize multiple loading of battery cells in the same placement direction, avoiding the tilting of battery cells caused by excessive loading at one time.
[0046] In some embodiments, after placing at least two battery cells on a tray along their thickness direction, the method further includes:
[0047] Each battery cell on the tray is clamped along the width direction of the battery cell, and the width direction of the battery cell is perpendicular to the thickness direction of the battery cell.
[0048] In the technical solution of the embodiment of the present application, the battery cell can be smoothly clamped when the battery cell moves to the second station, ensuring the effectiveness of the push assembly. In addition, in other cases, it does not affect the movement of the battery cell following the tray, and can smoothly realize the movement of the battery cell between multiple stations.
[0049] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS
[0050] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the embodiments below. The accompanying drawings are for illustration purposes only and are not to be considered as limiting the present application. The same reference numerals are used throughout the drawings to denote the same components. In the drawings:
[0051] FIG1 is a schematic structural diagram of a pre-stacking device according to one or more embodiments;
[0052] FIG2 is a top view of a pre-stacking apparatus according to one or more embodiments;
[0053] FIG3 is a schematic structural diagram of a tray in a pre-stacking device according to one or more embodiments;
[0054] 4 is a top view of a tray in a pre-stacking apparatus according to one or more embodiments;
[0055] 5 is a schematic perspective structural diagram of the cooperation between the first clamping assembly and the pushing assembly in the pre-stacking device according to one or more embodiments;
[0056] 6 is a schematic planar structural diagram of the cooperation between the first clamping assembly and the pushing assembly in the pre-stacking device according to one or more embodiments;
[0057] FIG7 is a partial enlarged view of FIG5;
[0058] FIG8 is a schematic flow chart of a pre-stacking method according to one or more embodiments.
[0059] 100. Pre-stacking device; 10. Mounting seat; 20. Tray; 30. First clamping assembly; 40. Second clamping assembly; 50. Pushing assembly; 11. First station; 12. Fourth station; 13. Second station; 14. Third station; 15. Base; 16. Support member; 41. First clamping member; 42. Second clamping member; 31. Main body; 32. First driving member; 33. Limiting assembly; 34. Lifting member; 51. Abutting member; 52. Pushing member; 331. Adjusting member; 332. Pressing member; 3321. Connecting portion; 3322. Rolling portion; 50. Positioning assembly; 60. Detection assembly; 200. Battery cell; L1. Thickness direction; L2. Width direction; L3. Height direction. DETAILED DESCRIPTION
[0060] The following embodiments of the technical solution of the present application will be described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application and are therefore only examples and are not intended to limit the scope of protection of the present application.
[0061] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned figure descriptions are intended to cover non-exclusive inclusions.
[0062] In the description of the embodiments of this application, the technical terms "first" and "second" are used only to distinguish different objects and should not be understood to indicate or imply relative importance or implicitly specify the quantity, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, the meaning of "plurality" is more than two, unless otherwise clearly and specifically defined.
[0063] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.
[0064] In the description of the embodiments of this application, the term "and / or" is simply a description of the association relationship between associated objects, indicating that three relationships can exist. For example, A and / or B can represent the following three situations: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this document generally indicates that the associated objects are in an "or" relationship.
[0065] In the description of the embodiments of the present application, the term "multiple" refers to more than two (including two). Similarly, "multiple groups" refers to more than two (including two groups), and "multiple pieces" refers to more than two (including two) pieces.
[0066] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.
[0067] In the description of the embodiments of the present application, unless otherwise expressly specified or limited, technical terms such as "installed," "connected," "connected," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; internal connections between two components or interactions between two components. Those skilled in the art can understand the specific meanings of the above terms in the embodiments of the present application based on specific circumstances.
[0068] Currently, market developments indicate that power batteries are becoming increasingly widely used. They are not only used in energy storage systems such as hydropower, thermal, wind, and solar power plants, but are also widely used in electric vehicles such as electric bicycles, electric motorcycles, and electric vehicles, as well as in other fields. As the application of power batteries continues to expand, market demand is also growing.
[0069] A battery cell is the smallest unit that makes up a battery. Specifically, multiple battery cells can be connected in series, parallel, or in a hybrid configuration to form a battery module. One or more battery modules are then connected and assembled to form a battery. Of course, multiple battery cells can also be directly assembled to form a battery. Hybrid configuration refers to multiple battery cells connected both in series and in parallel.
[0070] In the process of assembling a battery module or battery using battery cells, it is usually necessary to apply glue to the surface of the battery cells, and then pre-stack multiple battery cells in the thickness direction so that the battery cells can fit tightly together, and then use the adhesive tape on the surface of adjacent battery cells to achieve gluing and fixing.
[0071] However, the current pre-stacking process is complex and has poor stability, which not only causes multiple battery cells to fall over at the same time, but also greatly reduces the stacking efficiency, affecting the efficiency of the battery cell pre-stacking process and even affecting the structural stability of the battery module or battery formed by assembling the battery cells.
[0072] Based on the above considerations, in order to solve the current problem of low pre-stacking efficiency and poor stability of battery cells in the pre-stacking process, a pre-stacking device is provided in one or more embodiments of the present application. This pre-stacking method can stably pre-stack the batteries and then take them out, realizing automated and stable stacking, thereby improving production efficiency and reducing costs.
[0073] 1 to 4 , the present application provides a pre-stacking device 100, which includes a mounting base 10, a tray 20, and a pushing assembly 50. The mounting base 10 includes at least one workstation, the tray 20 is disposed on the mounting base 10, and the tray 20 is used to carry at least two battery cells 200 arranged along its own thickness direction L1. The pushing assembly 50 is movably disposed at one of the workstations along the thickness direction L2 of the battery cells 200, wherein the pushing assembly 50 is used to drive the battery cells 200 on the tray 20 to move along the thickness direction L2 of the battery cells 200 at the corresponding workstation, so that each two adjacent battery cells 200 are attached to each other.
[0074] The mounting base 10 is a structure that provides a mounting base for the tray 20 and the push assembly 50. The tray 20 is a structure disposed on the mounting base 10 that supports and provides space for stacking at least two battery cells 200. An external manipulator or handling device can be used to clamp multiple battery cells 200 along their thickness direction L1 and place them on the tray 20. At this point, since the battery cells 200 are not subjected to force, they are arranged loosely and do not form a tight stack.
[0075] Then, by controlling the movement of the tray 20 to move it to the position where the push assembly 50 is located, the battery cells 200 are typically stacked with the side with the poles facing upward. In this case, the height direction L3 of the battery cell 200 refers to the direction from the side surface with the poles to the opposite side surface. The width direction L2 of the battery cell 200 refers to the direction perpendicular to the height direction L3 of the battery cell 200 and parallel to the large surface of the battery cell 200. The thickness direction L1 of the battery cell 200 refers to the direction perpendicular to the large surface of the battery cell 200. The large surface of the battery cell 200 generally refers to the side surface with the largest area on the battery cell 200.
[0076] When the pushing component 50 applies pressure to the battery cells 200, the pushing component 50 first contacts the large surface of one of the battery cells 200, and then continues to push along the thickness direction L1 of multiple battery cells 200, which is enough to balance the friction between the battery cells 200 and their supporting surfaces, so that the large surfaces of multiple battery cells 200 are in the most direct contact with each other, and the battery cells 200 are balanced with each other, completing stable pre-stacking and preventing the battery cells 200 from tilting.
[0077] When pushing the battery cells 200, the pushing assembly 50 can form direct surface-to-surface contact with the large surface of the battery cells 200, or it can form a spherical structure to abut the large surface of the battery cells 200. It is important to note that the contact between the pushing assembly 50 and the battery cells 200 and the force applied during the pre-stacking process must ensure that the battery cells 200 are not damaged.
[0078] The pre-stacking device 100 provided in the present application can achieve close stacking of multiple battery cells 200 along their own thickness direction L2 through the pushing operation of the pushing component 50 when the tray 20 and the battery cells 200 on the tray move to the work station where the pushing component 50 is located.
[0079] It is understandable that after stacking is completed, the tray 20 and the battery cells 200 stacked thereon can be removed for the next operation.
[0080] In some embodiments, referring to FIG. 1 to FIG. 4 , the stations of the mounting base 10 include a first station 11 , a second station 13 , and a third station 14 spaced apart along the circumferential direction, and the tray 20 is configured to be rotatable among the first station 11 , the second station 13 , and the third station 14 ;
[0081] The first station 11 is used to load the battery cells 200 onto the tray 20, the pushing assembly 50 is located on the second station 13, and the third station 14 is used to unload the battery cells 200 that have been bonded to each other on the tray 20.
[0082] The second workstation 13 refers to a workstation on the mounting base 10 for pressurizing and stacking multiple battery cells 200. Specifically, the battery cells 200 are moved from the previous process to the second workstation 13, and the multiple battery cells 200 are stacked in sequence along the thickness direction L1 at the second workstation 13, so that the battery cells 200 can be pre-stacking, so that the multiple battery cells 200 can fit tightly together.
[0083] The first station 11, the second station 13 and the third station 14 can be converted to each other by rotating or moving the mounting base 10 or other modes of movement. The tray 20 can move from the first station 11 to the second station 13 and then to the third station 14, and then return to the first station 11 from the third station 14. The process of the tray 20 rotating one circle from the first station 11 and returning to the first station 11 is called a pre-stacking process. An external manipulator or handling device can place the battery cell 200 on the tray 20 of the first station 11, or remove the battery cell 200 on the third station 13.
[0084] After multiple battery cells 200 are loosely placed in the first station 11 along their own thickness direction L1, the movement of the tray 20 is controlled so that the tray 20 moves from the first station 11 to the second station 13. When the tray 20 is located at the second station 13, the pushing assembly 50 on the second station 13 applies pressure to the battery cells 200 to complete the pre-stacking and prevent the battery cells 200 from falling over.
[0085] The pre-stacked tray 20 and the battery cells 200 thereon are then controlled to move to the third station 14. At this point, the multiple battery cells 200 that have been stacked on the tray 20 can be removed by an external device for the next process step. After the battery cells 200 on the tray 20 at the third station 14 are removed, the tray 20 can be controlled to continue moving back to the first station 11 for the next pre-stacking process.
[0086] In this way, the pre-stacking device 100 of the present application forms a simple multi-station stacking procedure to realize the loading, stacking, and unloading processes of the battery cells 200. The battery cells 200 are taken and placed without affecting each other between different stations. The pre-stacking is decomposed into multiple steps and formed into a cycle to realize automatic pre-stacking, thereby improving the pre-stacking efficiency of the battery cells 200 and the pre-stacking stability. The production is synchronized between different stations without affecting each other, thereby improving production efficiency.
[0087] It is understandable that the workstations on the mounting base 10 may also include workstations other than the first workstation 11 , the second workstation 13 and the third workstation 14 , and this application does not limit this.
[0088] In some embodiments, referring to Figures 1 and 2, the mounting base 10 includes a base 15 and a support member 16 rotatably disposed on the base 15, the base 15 has a first station 11, a second station 13 and a third station 14 spaced along its own circumference, the tray 20 includes multiple trays 20 and all are disposed on the support member 16 and rotate with the support member 16, when one of the trays 20 moves to the first station 11, there is a tray 20 on the second station 13, and the third station 14.
[0089] Specifically, the support member 16 can be configured as a turntable. Based on the positional relationship between the first station 11, the second station 13, and the third station 14 provided on the base 15, three trays 20 can be correspondingly arranged circumferentially on the support member 16. When the support member 16 drives the three trays 20 thereon to rotate until one of the trays 20 reaches the first station 11, the remaining two trays 20 are located at the second station 13 and the third station 14, respectively.
[0090] In this way, each pallet 20 can be loaded from the first station 11, pre-stacked at the second station 13, and unloaded at the third station 14, and multiple pallets 20 can be produced synchronously between different stations at the same time. When the pallet 20 on the first station 11 is being loaded, the pallet 20 on the fourth station 12 is being pre-stacked, and the pallet 20 on the second station 13 is being unloaded. This cycle repeats without affecting each other, thereby improving production efficiency.
[0091] In some embodiments, referring to FIG. 1 and FIG. 2 , the mounting base 10 further has a fourth station 12 , which is spaced between the first station 11 and the second station 13 . When the tray 20 is located at the fourth station 12 , at least two battery cells 200 are pre-stacked on the tray 20 along their own thickness direction L1 .
[0092] The battery cells 200 can be arranged in different orientations. Each battery cell 200 has two large faces. When the two faces are oriented differently, the placement of the positive and negative electrodes of the battery cell 200 is different, thus forming two battery cells 200 that are mutually formulated. In other words, if one of the two battery cells 200 has the positive electrode on the left and the negative electrode on the right, the other battery cell 200 is equivalent to being rotated 180 degrees about the height direction L3, resulting in a placement with the positive electrode on the right and the negative electrode on the left.
[0093] After the pre-stacking process is completed, the battery cells 200 need to be moved to different positions. Therefore, in order to improve the subsequent assembly efficiency, a first area and a second area can be formed on the tray 20. When the tray 20 is at the first station 11, one of the battery cells 200 that are of the same formula is placed on the first area. When the tray 20 is at the fourth station 12, the other battery cell 200 that is of the same formula is placed on the second area. After the tray 20 moves to the second station 13, the battery cells 200 are pre-stacked according to polarity to ensure that when the tray 20 moves to the third station 14, the operator can take materials as needed.
[0094] Of course, the battery cells 200 with the same arrangement direction of the positive and negative poles can also be loaded at the first station 11 and the fourth station 12. In this way, multiple loading operations can be performed to avoid the battery cells 200 from tilting due to excessive loading at one time.
[0095] In some embodiments, referring to FIG. 1 and FIG. 2 , the pre-stacking device 100 further includes a positioning assembly 50 . The positioning assembly 50 is disposed at the first station 11 . The positioning assembly 50 is used to fix the tray 20 at the first station 11 .
[0096] The positioning assembly 50 can be a combination of a driving structure and a positioning protrusion, and a groove is set at the corresponding position of the support 16 or the tray 20. When the support 16 drives the tray 20 thereon to rotate, when one of the trays 20 moves to the first workstation 11, the driving structure drives the positioning protrusion to extend and be embedded in the groove, stopping the support 16. At this time, the tray 20 is stably fixed at the first workstation 11 for loading.
[0097] After loading is completed, the driving structure can also drive the positioning protrusion to retract. At this time, the support member 16 continues to rotate until the pallet 20 that has just completed loading at the first station 11 moves to the fourth station 12. At this time, another pallet 20 moves to the first station 11 for loading, and the pallet 20 at the fourth station 12 is loaded at the fourth station 12, and so on.
[0098] Furthermore, a sensing device may be provided on the tray 20 and the positioning assembly 50 . When the positioning assembly 50 senses the tray 20 , it immediately drives the positioning protrusion to extend to stop the support member 16 .
[0099] In this way, the present application can realize automatic positioning of the first workstation 11 and automatically stop the tray 20 to perform operations at each workstation through the provision of the positioning component 50.
[0100] In some embodiments, referring to Figures 1, 2, 5, and 6, the pre-stacking device 100 further includes a first clamping assembly 30, which is configured to be movably disposed on the mounting base 10 along a height direction L3 of the battery cells 200. The first clamping assembly 30 is capable of clamping each battery cell 200 on the tray 20 along a width direction L2 of the battery cell 200 when the tray 20 moves to the second station 13, where the width direction L2 of the battery cell 200 is perpendicular to the thickness direction L1.
[0101] Specifically, when the tray 20 moves to the second workstation 13, the first clamping assembly 30 can descend along the height direction L3 of the battery cell 200, and the height direction L3 of the battery cell 200 is perpendicular to the width direction L2 and the thickness direction L1 of the battery cell 200, until the first clamping assembly 30 can smoothly clamp the upper side of the battery cell 200 along the width direction L2 of the battery cell 200, so as to facilitate pressurization of the battery cell 200 by pushing the assembly 50.
[0102] When the tray 20 has not moved to the second workstation 13, the first clamping assembly 30 does not need to clamp the battery cell 200. At this time, the first clamping assembly 30 rises along the height direction L3 of the battery cell 200, away from the support 16, until it does not affect the battery cell 200 on the tray 20 and follows the tray 20 to move between the workstations.
[0103] The first clamping assembly 30 is movable in the height direction L3 of the battery cell 200, allowing the first clamping assembly 30 to smoothly clamp the battery cell 200 when the battery cell 200 moves to the second station 13, ensuring the effectiveness of the push assembly 50. Furthermore, the first clamping assembly 30 does not affect the movement of the battery cell 200 following the tray 20 under other circumstances, allowing the battery cell 200 to be smoothly moved between multiple stations.
[0104] 3 and 4 , the pre-stacking device 100 further includes a second clamping assembly 40 disposed on the tray 20 and configured to clamp each battery cell 200 on the tray 20 along a width direction L2 of the battery cell 200. The first clamping assembly 30 is spaced apart from the second clamping assembly 40 along a height direction L3 of the battery cell 200.
[0105] When the battery cell 200 is placed on the tray 20, the battery cell 200 on the tray 20 is first clamped in the width direction L2 of the original battery cell 200 by the second clamping assembly 40, and then the battery cell 200 is kept clamped during the entire pre-stacking process to prevent the battery cell 200 from tilting after being placed on the tray 20.
[0106] When the tray 20 moves to the second station 13, the first clamping assembly 30 is spaced apart from the second clamping assembly 40 along the height direction L3 of the battery cell 200 at the second station 13. Thus, the first clamping assembly 30 can clamp the battery cell 200 again along the width direction L2 of the battery cell 200 at the second station 13. At this time, the second clamping assembly 40 and the first clamping assembly 30 respectively clamp different positions of the height of the battery cell 200 along the height direction L3 of the battery cell 200, such as the bottom and middle end, or the middle and top end.
[0107] The second clamping assembly 40 and the first clamping assembly 30 can be spaced apart from each other along the height direction L3 of the battery cell 200, and at the same time clamp and fix the opposite ends of the battery cell 200 in the height direction L3, thereby balancing the friction between the battery cell 200 and its supporting surface, making the pre-stacking process of the battery cell 200 smoother, reducing the probability of the battery cell 200 falling over during the pre-stacking process, and making the stacking of the battery cell 200 more stable.
[0108] In some embodiments, the first clamping assembly 30 and the second clamping assembly 40 both include a first clamping member 41 and a second clamping member 42 respectively arranged on both sides of the tray 20 along the width direction L2 of the battery cell 200, and at least one of the first clamping member 41 and the second clamping member 42 is configured to be movably arranged along the width direction L2 of the battery cell 200.
[0109] Specifically, the first clamping member 41 and the second clamping member 42 of the second clamping assembly 40 can be respectively arranged on both sides of the tray 20 via telescopic cylinders, so that the first clamping member 41 and the second clamping member 42 can be moved closer to or farther away from each other along the width direction L2 of the battery cell 200. When the battery cell 200 is placed on the tray 20, the first clamping member 41 and the second clamping member 42 approach each other and clamp the battery cell 200. When the battery cell 200 needs to be removed from the tray 20, the first clamping member 41 and the second clamping member 42 move away from each other.
[0110] By providing the first clamping member 41 and the second clamping member 42 , the battery cell 200 can be smoothly clamped, so that the battery cell 200 can be stably arranged on the tray 20 and the battery cell 200 can maintain balance during the pressurization process.
[0111] In addition, the first clamping member 41 and the second clamping member 42 are provided, so that the first clamping assembly 30 and the second clamping assembly 40 can be adapted to clamp battery cells 200 of various widths. The pre-stacking of battery cells 200 of different sizes can be achieved through the same pre-stacking device 100, and the replacement (different battery cell 200 models) is convenient.
[0112] In some embodiments, referring to Figures 5 and 6 , the first clamping assembly 30 further includes a main body 31 and a first driving member 32 . The first driving member 32 is connected between the main body 31 and the mounting base 10 and is used to drive the main body 31 to move along the height direction L3 of the battery cell 200 . The first clamping member 41 and the second clamping member 42 of the first clamping assembly 30 are disposed on the main body 31 , and the pushing assembly 50 is movably connected to the main body 31 along the thickness direction L1 of the battery cell 200 .
[0113] Specifically, the main body 31 provides a mounting base for the first driving member 32, the pushing assembly 50, the first clamping member 41, and the second clamping member 42. The first driving member 32 may be, but is not limited to, a downward-pressing cylinder for driving the main body 31 and driving the first clamping member 41 and the second clamping member 42 on the main body 31 to move along the height direction L3 of the battery cell 200. The pushing assembly 50 can move on the main body 31 to move closer to or further away from the battery cell 200 on the tray 20.
[0114] By providing the main body 31 and the first driving member 32 , the first clamping member 41 and the second clamping member 42 can be driven to move along the height direction L3 of the battery cell 200 , thereby clamping and fixing the battery cell 200 when pressurizing, and avoiding the battery cell 200 when pressurizing is not required.
[0115] Furthermore, the first clamping assembly 30 also includes a lifting member 34, the first driving member 32 is driven and connected to the lifting member 34, and the lifting member 34 passes through the main body 31 and is connected to the first clamping assembly 30. When the first driving member 32 drives the lifting member 34 to move up and down, the first clamping assembly 30 is driven to move up and down.
[0116] Such an arrangement allows the first driving member 32 and the first clamping assembly 30 to be arranged on opposite sides of the main body 31 , thereby rationally utilizing the assembly space.
[0117] In some embodiments, the first clamping assembly 30 further includes a limiting assembly 33 disposed on the main body 31 and located between the first clamping member 41 and the second clamping member 42 . The limiting assembly 33 is used to press each battery cell 200 on the tray 20 along the height direction L3 of the battery cell 200 .
[0118] When the first clamping member 41 and the second clamping member 42 clamp the upper side of the battery cell 200 along the width direction L2 of the battery cell 200, the limiting assembly 33 is located between the first clamping member 41 and the second clamping member 42 and can press the battery cell 200 downward, so that the battery cell 200 is stably supported on the support surface of the tray 20. As a result, the battery cell 200 can be more stable during the pre-stacking process.
[0119] In some embodiments, referring to Figures 5 to 7, the limiting assembly 33 includes an adjusting member 331 and a pressing member 332. The adjusting member 331 is telescopically connected between the main body 31 and the pressing member 332 along the height direction L3 of the battery cell 200. The pressing member 332 is used to press each battery cell 200 on the tray 20 along the height direction L3 of the battery cell 200.
[0120] Specifically, the adjusting member 331 may be, but is not limited to, a spring, which is elastically connected between the main body 31 and the pressing member 332 , so that the pressing member 332 can elastically press against the battery cell 200 .
[0121] Furthermore, both the adjusting member 331 and the pressing member 332 can be provided in plurality, and the adjusting member 331 and the pressing member 332 are provided in a one-to-one correspondence.
[0122] It should be noted that each battery cell 200 is provided with a protruding terminal post, and due to mechanical errors, there may be certain differences in the height of the terminal posts of different battery cells 200. Therefore, each pressing member 332 and adjusting member 331 can press against the terminal post of a corresponding battery cell 200. Furthermore, each pressing member 332 can adaptively press against the terminal post of the corresponding battery cell 200 under the expansion and contraction of the adjusting member 331, making the pressing effect of the pressing member 332 on each battery cell 200 more stable.
[0123] By providing the adjusting member 331 and the pressing member 332 , the battery cell 200 can be pressed against the tray 20 flexibly and stably, so that the battery cell 200 can maintain balance during the process of pushing the battery cell 200 .
[0124] In some embodiments, referring to Figures 5 to 7, the pressing member 332 includes a connecting portion 3321 and a rolling portion 3322, the connecting portion 3321 is connected to the adjusting member 331, and the rolling portion 3322 is rollably arranged on the connecting portion 3321 along the thickness direction L1 of the battery cell 200, and is used to roll and press against each battery cell 200 on the tray 20 along the height direction L3 of the battery cell 200.
[0125] When there are multiple pressing members 332, each pressing member 332 includes a connecting portion 3321 and a rolling portion 3322. Specifically, the rolling portion 3322 may be, but is not limited to, a roller that rolls on the connecting portion 3321. When the pressing member 332 presses against the battery cell 200, the pushing assembly 50 applies pressure to the battery cell 200 along the thickness direction L1 of the battery cell 200, causing the battery cells 200 to move closer together and fit together along the thickness direction L1.
[0126] At the same time, when the battery cell 200 is displaced along the thickness direction L1 under the action of thrust, the rolling portion 3322 can roll and press against the battery cell 200, making the pressing against the battery cell 200 more stable and not affecting the movement of the battery cell 200 in the thickness direction L1.
[0127] By providing the rolling portion 3322 , the pressing member 332 can achieve rolling pressing against the battery cell 200 , and can continuously apply pressing force when the battery cells 200 move toward each other along the thickness direction L1 , making the pressing process more stable.
[0128] In some embodiments, referring to Figures 3 to 5, the pushing assembly 50 includes a supporting member 51 and a pushing member 52, the supporting member 51 is arranged on the tray 20, and the pushing member 52 is movably arranged on the mounting seat 10 along the thickness direction L1 of the battery cell 200, and the supporting member 51 and the pushing member 52 are respectively located on both sides of the tray 20 along the thickness direction L1 of the battery cell 200, and the pushing member 52 is configured to be able to push each battery cell 200 on the tray 20 along the thickness direction L1 of the battery cell 200 to abut against the supporting member 51.
[0129] Specifically, the abutment member 51 is a baffle provided on the tray 20. When the battery cells 200 move with the tray 20 to the second station 13, the pusher 52 and the abutment member 51 are located on either side of the battery cells 200 along the thickness direction L1 of the battery cells 200. The pusher 52 moves along the thickness direction L1 of the battery cells 200 and applies a thrust to the battery cells 200 along the thickness direction L1, ensuring a tight fit between the multiple battery cells 200.
[0130] Furthermore, the pusher 52 may be, but is not limited to, a pressurized cylinder. When the battery cells 200 are arranged on the tray 20 along the thickness direction L1, the pusher 52 extends and applies a thrust on the large surface of the battery cells 200, thereby enabling the multiple battery cells 200 to fit tightly together.
[0131] Through the cooperation between the abutting member 51 and the pushing member 52 , the pre-stacking of multiple battery cells 200 can be smoothly achieved, so that the battery cells 200 are tightly fitted along the thickness direction L1 thereof, so as to facilitate subsequent assembly.
[0132] 3 and 4 , the pre-stacking device 100 further includes a detection assembly 60 , which is disposed on the tray 20 . The detection assembly 60 is used to detect whether there are battery cells 200 on the tray 20 .
[0133] The detection component 60 can be an infrared detection structure, etc. It is understandable that if no battery cell 200 is placed on the tray 20, then if the pushing member 52 is still pushed according to the same procedure, it is possible to cause a direct collision with the abutting member 51.
[0134] By setting up the detection component 60, the pushing component 50 can be intelligently controlled according to the detection structure of the detection component 60 to avoid safety accidents.
[0135] Based on the same concept as the above-mentioned pre-stacking device 100 , the present application also provides a battery processing device, including the above-mentioned pre-stacking device 100 .
[0136] Referring to FIG8 , based on the same concept as the above-mentioned pre-stacking device 100 , according to one or more embodiments, the present application provides a pre-stacking method, comprising the following steps:
[0137] S10, controlling the tray 20 to move to the first station 11 of the mounting base 10, and placing at least two battery cells 200 on the tray 20 along the thickness direction L1 of the battery cells;
[0138] S30, controlling the tray 20 to move to the second station 13 of the mounting base 10, and controlling the pushing assembly 50 to drive the battery cells 200 on the tray 20 to move along the thickness direction L1 of the battery cells 200, so that every two adjacent battery cells 200 are attached to each other;
[0139] S40, controlling the tray 20 to move to the third station 14 of the mounting base 10, and removing the battery cell 200 from the tray 20;
[0140] The first workstation 11 , the second workstation 13 and the third workstation 14 are spaced apart in the circumferential direction of the mounting base 10 .
[0141] Specifically, the specific structural arrangements of the mounting base 10 , the tray 20 and the pushing assembly 50 have been described in detail above and will not be repeated here.
[0142] In this way, the present application forms a simple multi-station stacking procedure through the above method, realizing the loading, stacking, and unloading processes of the battery cells 200. The battery cells 200 are taken and placed without affecting each other between different stations. The pre-stacking is decomposed into multiple steps and formed into a cycle to realize automatic pre-stacking, thereby improving the pre-stacking efficiency of the battery cells 200, improving the pre-stacking stability, and realizing synchronous production between different stations without affecting each other, thereby improving production efficiency.
[0143] In some embodiments, referring to FIG8 , after controlling the tray 20 to move to the first station 11 of the mounting base 10 in step S10 , the following steps are further included:
[0144] S20, controlling the tray 20 to move to the fourth station 12 of the mounting base 10, and placing at least two battery cells 200 on the tray 20 along the thickness direction L1 of the battery cells;
[0145] The fourth workstation 12 is circumferentially spaced between the first workstation 11 and the second workstation 13 .
[0146] As described above, the pre-stacking device 100 of the present application can not only realize the simultaneous stacking and unloading of formulated battery cells, but also realize multiple loading of battery cells 200 in the same placement direction, thereby avoiding the tilting of battery cells 200 caused by excessive loading at one time.
[0147] In some embodiments, after placing at least two battery cells 200 on the tray 20 along the thickness direction L1 of the battery cells 200 in step S10, the method further includes:
[0148] S50 , clamping each battery cell 200 on the tray 20 along the width direction L2 of the battery cell 200 , where the width direction L2 of the battery cell 200 is perpendicular to the thickness direction L1 of the battery cell 200 .
[0149] Specifically, the battery cell 200 may be clamped along the width direction L2 by disposing a first clamping assembly 30 . The specific structure of the first clamping assembly 30 has been described in detail above and will not be repeated here.
[0150] Furthermore, steps S30 and S50 can be performed simultaneously, or the pushing operation in step S30 can be performed after the clamping operation in step S50 is completed. This allows the battery cell 200 to be smoothly clamped when it moves to the second station 13, ensuring the effectiveness of the push assembly 50 . Furthermore, the first clamping assembly 30 does not affect the movement of the battery cell 200 with the tray 20 under other circumstances, allowing the battery cell 200 to be smoothly moved between multiple stations.
[0151] According to one or more embodiments, a plurality of battery cells 200 are first sequentially moved onto the tray 20 at the first station 11 by an external robot. The lower sides of the battery cells 200 on the tray 20 are then clamped by the second clamping assembly 40 to stably position them on the tray 20. The support member 16 is then rotated, and the tray 20 and the battery cells 200 thereon are moved to the fourth station 12, where the formulated battery cells are placed onto the tray 20 by an external robot.
[0152] As the support member 16 continues to rotate, when its tray 20 rotates to the second station 13, the first clamping assembly 30 is controlled to descend, clamping and securing the upper side of the battery cell 200. At the same time, the pressing member 332, under the action of the adjusting member 331, adaptively presses against the corresponding terminal of the battery cell 200.
[0153] After the pressure stabilizes, the pusher 52 is controlled to move toward the battery cell 200, exerting a thrust on the larger surface of the battery cell 200. This thrust causes the battery cells 200 to move closer to each other along the thickness direction L1 and rest against the support member 51 until they are tightly fitted together. At this point, the pre-stacking of the battery cells 200 on this tray 20 is complete. The support member 16 is then rotated and moved to the third station 14, where the robot removes the material and simultaneously pushes the battery cells 200 on the next tray 20, repeating the cycle.
[0154] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.
Claims
1. A pre-stacking device, comprising: A mounting base, the mounting base comprising at least one station; A tray, arranged on the mounting seat and used for carrying at least two battery cells arranged along the thickness direction of the tray; A pushing assembly, movably disposed on one of the stations along the thickness direction of the battery cell; The pushing assembly is used to drive the battery cells on the tray to move along the thickness direction of the battery cells at the corresponding workstation, so that every two adjacent battery cells are attached to each other.
2. The pre-stacking device according to claim 1, wherein: The workstations include a first workstation, a second workstation, and a third workstation spaced apart in a circumferential direction, and the tray is configured to be rotatable among the first workstation, the second workstation, and the third workstation; The first station is used for loading the battery monomers onto the tray, the pushing assembly is disposed on the second station, and the third station is used for unloading the battery monomers that are bonded to each other on the tray.
3. The pre-stacking device according to claim 2, wherein: The mounting seat comprises a base and a support member rotatably arranged on the base, the base has the first station, the second station and the third station arranged at intervals along the circumference thereof, the tray comprises a plurality of trays which are all arranged on the support member and rotate with the support member; When one of the trays moves to the first station, there is a tray at the second station and the third station.
4. The pre-stacking device according to any one of claims 2 or 3, wherein: The mounting seat further comprises a fourth station, and the fourth station is arranged between the first station and the second station; The fourth station is used for loading the battery monomer.
5. The pre-stacking device according to any one of claims 2 to 4, wherein: The pre-stacking device further comprises a positioning assembly, wherein the positioning assembly is disposed at the first station; The positioning assembly is used to fix the tray at the first station.
6. The pre-stacking device according to any one of claims 2 to 5, wherein: The pre-stacking device further includes a first clamping assembly, which is configured to be movably disposed on the mounting seat along a height direction of the battery cell; The first clamping assembly can clamp each battery cell on the tray along a width direction of the battery cell when the tray moves to the second station, and the width direction of the battery cell is perpendicular to the thickness direction.
7. The pre-stacking device according to claim 6, wherein: The pre-stacking device further includes a second clamping assembly, which is disposed on the tray and is used to clamp each battery cell on the tray along a width direction of the battery cell. The first clamping assembly is spaced apart from the second clamping assembly along a height direction of the battery cell, and the height direction of the battery cell is perpendicular to both a width direction and a thickness direction.
8. The pre-stacking device according to claim 7, wherein: The first clamping assembly and the second clamping assembly each include a first clamping member and a second clamping member respectively disposed on both sides of the tray along the width direction of the battery cell, and at least one of the first clamping member and the second clamping member is configured to be movably disposed along the width direction of the battery cell.
9. The pre-stacking device according to claim 6, wherein: The first clamping assembly further includes a main body and a first driving member, wherein the first driving member is connected between the main body and the mounting seat and is used to drive the main body to move along the height direction of the battery cell; The first clamping member and the second clamping member in the first clamping assembly are arranged on the main body, and the pushing assembly is movably connected to the main body along the thickness direction of the battery cell.
10. The pre-stacking device according to claim 9, wherein: The first clamping assembly further includes a limiting assembly disposed on the main body and located between the first clamping member and the second clamping member, wherein the limiting assembly is used to press each of the battery cells on the tray along a height direction of the battery cells.
11. The pre-stacking device according to claim 10, wherein: The limiting assembly includes an adjusting member and a pressing member. The adjusting member is telescopically connected between the main body and the pressing member along the height direction of the battery monomer. The pressing member is used to press each battery monomer on the tray along the height direction of the battery monomer.
12. The pre-stacking device according to claim 11, wherein: The pressing member includes a connecting portion and a rolling portion, wherein the connecting portion is connected to the adjusting member, and the rolling portion is rollably disposed on the connecting portion along the thickness direction of the battery cell and is used to roll and press against each battery cell on the tray along the height direction of the battery cell.
13. The pre-stacking device according to any one of claims 1 to 14, wherein: The pushing assembly includes a supporting member and a pushing member, the supporting member is arranged on the tray, the pushing member is movably arranged on the mounting seat along the thickness direction L1 of the battery monomer, and the supporting member and the pushing member are respectively located on two sides of the tray along the thickness direction L1 of the battery monomer; The pushing member is configured to push each of the battery cells on the tray to abut against the abutting member along a thickness direction L1 of the battery cells.
14. The pre-stacking device according to any one of claims 1 to 13, wherein: The pre-stacking device further comprises a detection component, and the detection component is arranged on the pallet; The detection component is used to detect whether the battery cell is on the tray.
15. A battery processing equipment, comprising the pre-stacking device according to any one of claims 1 to 14.
16. A pre-stacking method comprising the following steps: Controlling the tray to move to the first station of the mounting seat, and placing at least two battery cells on the tray along the thickness direction of the battery cells; Controlling the tray to move to the second station of the mounting seat, and controlling the pushing assembly to drive the battery cells on the tray to move along the thickness direction of the battery cells, so that every two adjacent battery cells are attached to each other; Controlling the tray to move to the third station of the mounting seat, and removing the battery cell from the tray; Wherein, the first workstation, the second workstation and the third workstation are arranged at intervals in the circumferential direction of the mounting seat.
17. The pre-stacking method according to claim 15, wherein: After controlling the tray to move to the first station of the mounting seat, the method further includes the following steps: The tray is controlled to move to the fourth station of the mounting seat, and at least two battery cells are placed on the tray along the thickness direction of the tray; wherein the fourth station is arranged between the first station and the second station along the circumferential direction.
18. The pre-stacking method according to claim 15, wherein: After the step of controlling the tray to move to the first station of the mounting seat and placing at least two battery cells on the tray along the thickness direction of the battery cells, the step further includes: Each battery cell on the tray is clamped along a width direction of the battery cell, and the width direction of the battery cell is perpendicular to a thickness direction of the battery cell.