A battery cell stacking device
By using deformable supports and lifting handles in the cell stacking device, the problem of skewing caused by air expulsion during cell stacking was solved, achieving stable cell stacking and space optimization.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGXIA XN AUTOMATION EQUIP CO LTD
- Filing Date
- 2024-09-29
- Publication Date
- 2026-06-26
AI Technical Summary
During the stacking process of solar cells, air is difficult to expel effectively, causing the solar cells to be skewed or relatively displaced, affecting the neatness of the stack.
A battery cell stacking device is designed, which adopts a cell carrier stage and a liftable cell transfer hand. The cell transfer hand is equipped with a deformation support component, and a suction cup is arranged around the deformation support component. The support end face of the deformation support component is lower than the suction end face of the suction cup. By releasing the elastic potential energy of the deformation support component and pressing it, the bending and positioning of the battery cells can be realized, ensuring the neatness of the stack.
It effectively prevents the cells from shifting during the stacking process, ensuring a neat stacking effect, and reduces auxiliary components through structural optimization, achieving efficient use of space.
Smart Images
Figure CN224419235U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of battery cell stacking, and more particularly to a battery cell stacking device. Background Technology
[0002] In the cross-sectional passivation process of battery cell slabs, multiple battery cells are stacked with their cross-sections facing one side, and then passivated uniformly to improve the passivation efficiency of the battery cell slabs. However, since the battery cell slabs are very light, it is difficult for the air in the middle of the stacked battery cell slabs to be directly discharged during the stacking process. When the air is discharged, it is easy to cause the battery cell slabs to be tilted or relatively displaced, which leads to uneven stacking. Utility Model Content
[0003] The purpose of this invention is to provide a battery cell stacking device to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, the present invention provides the following technical solution: a battery cell stacking device, comprising a cell carrier and a cell transfer hand, wherein the cell transfer hand is vertically and flexibly disposed above the cell carrier, the cell transfer hand is provided with a deformation support member, and a plurality of suction cups of the cell transfer hand are arranged around the deformation support member, wherein the support end face of the deformation support member is lower than the adsorption end face of the plurality of suction cups of the cell transfer hand.
[0005] Preferably, the deformation support includes a connecting section and an elastic support section, one end of the connecting section is disposed on the handle, and the other end of the connecting section is detachably connected to the elastic support section.
[0006] Preferably, the deformation support includes a spring and a support rod. The plate carrier has a through hole, the support rod is slidably engaged with the through hole, one end of the support rod is provided with a limiting block that engages with the plate carrier, and the other end of the support rod passes through the through hole toward the plate carrier stage. The spring is sleeved on the support rod and elastically abuts against the other end of the support rod and the end face of the plate carrier.
[0007] Preferably, the deformation support further includes a flexible pad, which is disposed at the other end of the support rod.
[0008] Preferably, the flexible pad has an inner cavity, and the supporting end face of the flexible pad has anti-slip texture.
[0009] Preferably, the deformation support is an elastic column.
[0010] Preferably, the plate carrier is provided with a plurality of deformation supports, the plurality of deformation supports are arranged in an array at intervals, and the plurality of suction cups are arranged around the plurality of deformation supports.
[0011] Preferably, it also includes a deviation detection device, which is located above the wafer stage and is signal-connected to the wafer handler. When the deviation detection device detects that the wafer segment being handled by the wafer handler is skewed or misaligned with the stacked wafer group on the wafer stage, the wafer handler adjusts the orientation of the wafer segment and places it on the wafer group.
[0012] Preferably, the bearing end of the slide stage has at least one groove.
[0013] Preferably, it further includes a lifting drive, wherein the slide stage is disposed at the drive end of the lifting drive, and the lifting drive can drive the slide stage to move up and down.
[0014] The technical solution adopted in this application can achieve the following beneficial effects:
[0015] This application discloses a cell stacking device, which includes a cell carrier stage and a cell transfer hand. The cell transfer hand is vertically and flexibly disposed above the cell carrier stage. The cell transfer hand is provided with a deformation support member. Multiple suction cups of the cell transfer hand are arranged around the deformation support member. The length of the support section of the deformation support member is greater than the length of the suction section of the multiple suction cups of the cell transfer hand.
[0016] The cell transfer operator first moves the cell sheets from the dicing channel. Multiple suction cups of the transfer operator adsorb the area around the cell sheets under negative pressure. The deformation support is pressed by the transfer operator, and the support end face of the deformation support is lower than or flush with the adsorption end face of the multiple suction cups. After the transfer operator rises, the elastic potential energy of the deformation support is released, so that the deformation support supports the part opposite to the cell sheet. The deformation support and multiple suction cups make the cell sheet bend. Then, when the transfer operator moves the cell sheet to the loading table, the bent protrusion of the cell sheet first contacts the loading table or the stacked cell sheet group carried on the loading table. At the same time, the deformation support is pressed by the transfer operator for further deformation, elastically pressing the opposite part of the cell sheet, which plays a role in fixing the cell sheet.
[0017] Finally, the cell mover continues to descend to press the corresponding cell segments onto the cell carrier stage or the stacked cell segments supported on the stage. This means the support end face of the deformation support is flush with the suction end faces of the suction cups, releasing the negative pressure and allowing the cell segments to unbend and complete the stacking. Alternatively, the support end face of the deformation support may be lower than the suction end faces of the suction cups, releasing the negative pressure and allowing the cell segments to unbend and expel air, completing the stacking. Finally, the cell mover is raised. Because the deformation support is undeformed and still presses down on the cell segments, it eventually moves away from the cell segments.
[0018] The above structure adds a deformation support to the cell transfer hand. The support end face of the deformation support is lower than the suction end faces of the multiple suction cups of the cell transfer hand. This allows the cell transfer hand to bend the cell slices when it picks them up. During the cell transfer hand's descent and stacking process, the deformation support elastically abuts against the bent portion of the cell slices to stack them first and press them down to prevent displacement. Then, the multiple suction cups stack the corresponding adsorbed cell slices to restore the cell slices to their original shape. During the cell transfer hand's ascent and detachment process, the multiple suction cups release the negative pressure and move away from the cell slices first, followed by the deformation support. Therefore, it is difficult for the cell slices to shift, thus ensuring the neatness of the cell slice stacking. This also achieves a miniaturized and optimized design, reducing additional auxiliary components and space occupation. Attached Figure Description
[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.
[0020] Figure 1 This is a schematic diagram of the structure of the battery cell stacking device disclosed in the embodiments of this application;
[0021] Figure 2 This is a cross-sectional view of the slice handler in the first embodiment of this application;
[0022] Figure 3 This is a cross-sectional view of the slice handler in the second embodiment disclosed in this application.
[0023] Figure 4 This is a front view of the battery cell stacking apparatus disclosed in the embodiments of this application;
[0024] Figure 5 for Figure 4 A magnified view of a portion of the image.
[0025] In the diagram: 100, film stage; 200, film mover; 300, deformation support; 310, connecting section; 320, elastic support section; 330, spring; 340, support rod; 350, flexible pad; 400, suction cup; 500, lifting drive; A, groove. Detailed Implementation
[0026] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. The drawings illustrate preferred embodiments of this utility model. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.
[0027] It should be noted that when a component is said to be "set on" another component, it can be directly on the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component.
[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
[0029] like Figures 1 to 5 As shown, this application discloses a battery cell stacking device. The disclosed battery cell stacking device includes a cell carrier stage 100 and a cell transfer hand 200. The cell transfer hand 200 is vertically and vertically disposed above the cell carrier stage 100. The cell transfer hand 200 is provided with a deformation support member 300. A plurality of suction cups 400 of the cell transfer hand 200 are arranged around the deformation support member 300. The support end face of the deformation support member 300 is lower than the suction end face of the plurality of suction cups 400 of the cell transfer hand 200.
[0030] In the process of using the cell stacking device, the cell transfer hand 200 first moves the cell slices from the dicing channel. Multiple suction cups 400 of the transfer hand 200 adsorb the area around the cell slices under negative pressure. The deformation support 300 is pressed by the transfer hand 200, and the support end face of the deformation support 300 is lower than or flush with the adsorption end faces of the multiple suction cups 400. After the transfer hand 200 rises, the elastic potential energy of the deformation support 300 is partially released, allowing the deformation support 300 to support the cell. The portion opposite to the cell segment is bent by the deformation support 300 and multiple suction cups 400. Then, when the cell transfer hand 200 moves the cell segment to the cell carrier 100, the bent protrusion of the cell segment first contacts the cell carrier 100 or the stacked cell segment group carried on the cell carrier 100. At the same time, the deformation support 300 is pressed by the cell transfer hand 200 to further deform, elastically pressing the portion opposite to the cell segment, thus fixing the cell segment.
[0031] Finally, the cell mover 200 continues to descend until the multiple suction cups 400 press the corresponding adsorbed cell segments onto the cell carrier stage 100 or the stacked cell segments carried on the cell carrier stage 100. That is, the support end face of the deformation support 300 is flush with the adsorption end face of the multiple suction cups 400, the multiple suction cups 400 release the negative pressure state, and the cell segments release the bending state to complete the stacking. Alternatively, the support end face of the deformation support 300 is lower than the adsorption end face of the multiple suction cups 400, the multiple suction cups 400 release the negative pressure state, the cell segments release the bending state to expel air and complete the stacking. Finally, the cell mover 200 is raised. Since the deformation support 300 releases the deformation state and can also press the cell segments, the deformation support 300 is finally moved away from the cell segments.
[0032] The above structure adds a deformation support 300 to the cell transfer hand 200. The support end face of the deformation support 300 is lower than the suction end faces of the multiple suction cups 400 of the cell transfer hand 200. This allows the cell transfer hand 200 to bend the cell pieces when it is adsorbing them. During the descent and stacking process of the cell transfer hand 200, the deformation support 300 elastically abuts against the bent part of the cell piece to stack it first and presses the cell piece to prevent displacement. Then, the multiple suction cups 400 stack the corresponding adsorbed cell pieces to restore the cell pieces to their original shape. During the ascent and detachment process of the cell transfer hand 200, the multiple suction cups 400 release the negative pressure and move away from the cell pieces first, followed by the deformation support 300. Therefore, it is difficult for the cell pieces to shift, thus ensuring the neatness of the cell stacking and achieving a miniaturized and optimized design, reducing additional auxiliary components and space occupation.
[0033] In the first alternative, the deformation support 300 may include a connecting section 310 and an elastic support section 320. Specifically, one end of the connecting section 310 is provided on the handle 200, and the other end of the connecting section 310 is detachably connected to the elastic support section 320, so that the elastic support section 320 can be easily replaced after wear after repeated use.
[0034] In the second alternative, the deformation support 300 may include a spring 330 and a support rod 340. Specifically, the sheet handling hand 200 has a through hole, the support rod 340 is slidably engaged with the through hole, one end of the support rod 340 is provided with a limiting block that engages with the sheet handling hand 200, and the other end of the support rod 340 passes through the through hole toward the sheet stage 100. The spring 330 is sleeved on the support rod 340 and elastically abuts against the other end of the support rod 340 and the end face of the sheet handling hand 200.
[0035] The aforementioned structure utilizes a support rod 340 that slides into the through hole. A spring 330 elastically abuts against the other end of the support rod 340 and the end face of the cell transfer hand 200. This allows the spring 330 to compress and deform during the cell transfer process, causing the other end of the support rod 340 to elastically contact the cell. This ensures the cell is bent while preventing the support rod 340 from rigidly contacting the cell and causing breakage. Furthermore, a limiting block prevents the support rod 340 from slipping out of the through hole.
[0036] In a further technical solution, the deformable support 300 may also include a flexible pad 350. Specifically, the flexible pad 350 is located at the other end of the support rod 340. During the process of the cell carrier 200 handling the cell segments, the flexible pad 350 can deform to achieve the contact area with the cell segments, reduce the support force intensity per unit area of the cell segments, and make the cell segments more flexibly present a bent state.
[0037] In another technical solution, the flexible pad 350 has an inner cavity, and the supporting end face of the flexible pad 350 has anti-slip texture to prevent relative sliding after the flexible pad 350 comes into contact with the battery cell segments. It also completes its own deformation through the inner cavity, elastically resisting the battery cell segments to form a bent state.
[0038] In the third alternative, the deformation support 300 can be an elastic column. Due to the deformable nature of the elastic column, it can fully ensure that the deformation support 300 elastically contacts the battery cell segments and causes the battery cell segments to bend. The structure is simple. Of course, the elastic column can be a silicone column, a rubber column, a sponge column, a polyurethane column, etc., and this application does not impose any restrictions on it.
[0039] In this embodiment, the cell transfer hand 200 may be provided with multiple deformation support members 300. Specifically, the multiple deformation support members 300 are arranged in an array at intervals, and multiple suction cups 400 are arranged around the multiple deformation support members 300. The cell transfer hand 200 can transfer multiple cell segments at one time. The multiple deformation support members 300 and the multiple cell segments are in elastic contact with each other, so that the multiple cell segments are all in a bent state, thereby improving the stacking efficiency of the cell segments.
[0040] In the embodiments of this application, the disclosed cell stacking device may further include a deviation detection element. Specifically, the deviation detection element is located above the stage 100 and is signal-connected to the cell handler 200. When the deviation detection element detects that the cell slice being transported by the cell handler 200 is skewed or misaligned with the stacked cell slice group carried on the stage 100, the cell handler 200 adjusts the orientation of the cell slice and places it on the cell slice group, thereby improving the accuracy of the cell slice stacking by the cell handler 200.
[0041] In this embodiment, the carrier end of the wafer stage 100 may have at least one groove A. The groove A facilitates the placement of the battery cells on the wafer stage 100. The air generated by the downward placement of the battery cells can be discharged through the groove A, thereby preventing the battery cells from shifting.
[0042] In the embodiments of this application, the disclosed battery cell stacking device may further include a lifting drive 500. Specifically, the cell stage 100 may be disposed at the drive end of the lifting drive 500, and the lifting drive 500 may drive the cell stage 100 to move up and down.
[0043] When the cell transfer operator 200 moves up and down on the cell carrier stage 100 to stack and separate the cells, the lifting drive unit 500 drives the cell carrier stage 100 to move up and down to cooperate with the cell transfer operator 200, which helps to shorten the travel distance of the cell transfer operator 200 and improve the cell transfer efficiency of the cell transfer operator 200.
[0044] Of course, the lifting drive component 500 can be a specific structure such as a lifting electric cylinder, a servo motor and a rack or lead screw combination, and this application does not impose any restrictions on it.
[0045] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A battery cell stacking device, characterized in that, The device includes a slide stage (100) and a slide handler (200). The slide handler (200) is vertically mounted above the slide stage (100). The slide handler (200) is provided with a deformation support (300). Multiple suction cups (400) of the slide handler (200) are arranged around the deformation support (300). The support end face of the deformation support (300) is lower than the suction end face of the multiple suction cups (400) of the slide handler (200).
2. The battery cell stacking device according to claim 1, characterized in that, The deformable support (300) includes a connecting section (310) and an elastic support section (320). One end of the connecting section (310) is mounted on the handle (200), and the other end of the connecting section (310) is detachably connected to the elastic support section (320).
3. The battery cell stacking device according to claim 1, characterized in that, The deformation support (300) includes a spring (330) and a support rod (340). The plate carrier (200) has a through hole. The support rod (340) is slidably engaged with the through hole. One end of the support rod (340) is provided with a limiting block that is engaged with the plate carrier (200). The other end of the support rod (340) passes through the through hole and faces the plate carrier (100). The spring (330) is sleeved on the support rod (340) and elastically abuts against the other end of the support rod (340) and the end face of the plate carrier (200).
4. The battery cell stacking device according to claim 3, characterized in that, The deformation support (300) further includes a flexible pad (350), which is located at the other end of the support rod (340).
5. The battery cell stacking device according to claim 4, characterized in that, The flexible pad (350) has an inner cavity, and the supporting end face of the flexible pad (350) is provided with anti-slip texture.
6. The battery cell stacking apparatus according to claim 1, characterized in that, The deformation support (300) is an elastic column.
7. The battery cell stacking device according to claim 1, characterized in that, The plate mover (200) is provided with a plurality of deformation support members (300), the plurality of deformation support members (300) are arranged in an array at intervals, and a plurality of suction cups (400) are arranged around the plurality of deformation support members (300).
8. The battery cell stacking apparatus according to claim 1, characterized in that, It also includes a deviation detection device, which is located above the wafer stage (100) and is signal-connected to the wafer handler (200). When the deviation detection device detects that the wafer segment being transported by the wafer handler (200) is skewed or misaligned with the stacked wafer group carried on the wafer stage (100), the wafer handler (200) adjusts the orientation of the wafer segment and places it on the wafer group.
9. The battery cell stacking device according to claim 1, characterized in that, The slide stage (100) has at least one groove (A) on its bearing end.
10. The battery cell stacking apparatus according to claim 1, characterized in that, It also includes a lifting drive (500), the slide stage (100) is located at the drive end of the lifting drive (500), and the lifting drive (500) can drive the slide stage (100) to move up and down.