Battery cell transfer equipment

Abstract

The utility model relates to battery cell transfer equipment. The battery cell transfer equipment comprises a rack, a driving device and a fixing device, wherein the driving device is arranged on the rack; the fixing device is connected with the driving device, can move along the height direction of the rack under the driving of the driving device, and comprises a fixing frame connected with the driving device, a bracket, an elastic piece and an adsorption plate for adsorbing a battery cell; the adsorption plate is connected to the lower portion of the fixing frame and can move relative to the fixing frame, the support is arranged on the side, opposite to the adsorption plate, of the fixing frame, and the elastic piece is connected between the support and the adsorption plate. When the adsorption plate is just in contact with the soft package battery cell, the counter-acting force of the soft package battery cell on the adsorption plate can be absorbed by the elastic piece on the back surface of the adsorption plate, that is, the elastic piece can be properly contracted to buffer the contact between the adsorption plate and the soft package battery cell, so that the soft package battery cell can be prevented from being damaged due to excessive impact.

Description

Technical Field

[0001] The present application relates to the field of battery manufacturing technology, and in particular to a battery cell transfer device. Background Art

[0002] There are many steps in the manufacturing process of soft-pack batteries, and the soft-pack batteries often need to be transferred multiple times. Before the transfer, it is necessary to approach the soft-pack batteries and fix them.

[0003] However, some traditional solutions are to directly position a fixing device that has a fixing effect on the soft-pack battery cell above the soft-pack battery cell, and then the fixing device quickly descends to fix the soft-pack battery cell. However, in pursuit of efficiency, the fixing device approaches the soft-pack battery cell too quickly, which may easily cause excessive impact on the soft-pack battery cell and damage the soft-pack battery cell, thereby reducing the yield rate of its production.

[0004] BACKGROUND OF THE PRESENT APPLICATION The above information disclosed is only for understanding the background of the concept of the present application and may contain information that does not constitute the prior art. Utility Model Content

[0005] Based on this, in order to solve the above problems, it is necessary to provide a battery cell transfer device.

[0006] The present application provides a cell transfer device, which includes:

[0007] frame;

[0008] A driving device, wherein the driving device is arranged on the frame;

[0009] A fixing device, wherein the fixing device is connected to the driving device and can move along the height direction of the frame under the drive of the driving device, the fixing device includes a fixing frame connected to the driving device, a bracket, an elastic member and an adsorption plate for adsorbing the battery cell, the adsorption plate is connected to the bottom of the fixing frame and can move relative to the fixing frame, the bracket is arranged on the side of the fixing frame facing away from the adsorption plate, and the elastic member is connected between the bracket and the adsorption plate.

[0010] The above-mentioned battery cell transfer equipment includes at least the following beneficial effects: when the fixing device is located above the soft-pack battery cell, the driving device can drive the fixing frame to descend in the height direction and approach the soft-pack battery cell until the adsorption plate is attached to the upper surface of the soft-pack battery cell, and the adsorption plate can adsorb the soft-pack battery cell, and then the soft-pack battery cell is lifted up again under the drive of the driving device for transfer. It should be noted that in this process, when the adsorption plate just contacts the soft-pack battery cell, under the reaction force of the soft-pack battery cell on the adsorption plate, the adsorption plate will move relative to the fixing frame, that is, the distance between the fixing frame and the adsorption plate is shortened, at this time, the reaction force of the soft-pack battery cell on the adsorption plate will be absorbed by the elastic member on the back of the adsorption plate, that is, the elastic member will shrink appropriately. In other words, the elastic member has a buffering effect on the contact between the adsorption plate and the soft-pack battery cell, which can prevent the soft-pack battery cell from being damaged by excessive impact.

[0011] In one of the embodiments, the fixing frame is provided with a plurality of guide holes arranged at intervals, and the fixing device further comprises a plurality of guide rod assemblies, each of which is telescopically arranged in one of the guide holes along the height direction and connected to the adsorption plate. The guide holes on the fixing frame have a limiting effect on the guide rod assemblies, so that the guide rod assemblies can move smoothly along the height direction, and the adsorption plate connected to the end of the guide rod assembly can also move smoothly along the height direction under the limitation of the guide rod assembly, thereby avoiding shaking and tilting of the adsorption plate and the soft-pack battery cell to be adsorbed and fixed when moving up and down along the height direction.

[0012] In one embodiment, a transition plate is provided on the side of the adsorption plate facing the fixing frame, the adsorption plate is connected to the elastic member through the transition plate, the guide rod assembly includes a linear bearing provided in the guide hole and a guide rod telescopically provided in the linear bearing along the height direction, and one end of the guide rod is connected to the transition plate. The linear bearing can make the movement of the guide rod in the height direction smoother, avoid affecting the contraction of the elastic member when the adsorption plate just contacts the soft-pack battery cell, and ensure the buffering effect.

[0013] In one of the embodiments, the guide rod assembly further includes a connecting block, and the ends of at least two of the guide rods away from the transition plate are fixed by the connecting block, and the connecting block is located on the side of the fixing frame facing away from the adsorption plate. When the guide rod is short and slides downward, the guide rod may have the risk of falling out of the linear bearing in the guide hole. Therefore, the present embodiment provides a connecting block, and when the guide rod moves downward to the extreme position, the connecting block can abut against the top surface of the fixing frame to prevent the guide rod from continuing to move downward, thereby preventing the guide rod from falling out of the guide hole. In addition, at least two guide rods are fixed by the connecting block, and the connecting block can also be synchronized with the movement between at least two guide rods, which is conducive to further improving the smooth movement of the guide rod and the transition plate and adsorption plate connected to the guide rod in the height direction.

[0014] In one of the embodiments, the fixing device also includes an adjustment component, which is connected between the bracket and the transition plate and is used to drive the bracket and the transition plate to move closer to or away from each other in the height direction to adjust the elastic force of the elastic member.

[0015] In one embodiment, the bracket is arranged on the side of the fixing frame facing away from the transition plate, a limiting hole is provided on the fixing frame, a limiting column is provided on the transition plate, the free end of the limiting column is passed through the limiting hole and faces the bracket, the limiting column corresponds to the elastic member one by one, the elastic member is a spring, the elastic member is sleeved on the limiting column and elastically connected between the bracket and the transition plate.

[0016] In one embodiment, the number of the elastic members is plural.

[0017] In one embodiment, the adjustment assembly is a linear cylinder.

[0018] In one embodiment, the adjustment assembly includes a driving portion and a telescopic portion connected to the driving portion, the axial direction of the telescopic portion is parallel to the height direction, either the driving portion or the telescopic portion is connected to the transition plate, and the other of the driving portion and the telescopic portion is connected to the bracket, and the driving portion is used to drive the telescopic portion to perform telescopic movement in the height direction, so as to drive the bracket and the transition plate to move closer to or farther away from each other in the height direction.

[0019] In one of the embodiments, the fixing device further comprises a buffer, which is fixed to the fixing frame, and a retractable buffer end portion of the buffer faces the connecting block and is used to abut against the connecting block to buffer the movement of the connecting block when it approaches the fixing frame.

[0020] In one of the embodiments, an avoidance hole is opened on the fixing frame, the buffer is arranged on the side of the fixing frame facing the transition plate, and the retractable buffer end of the buffer is passed through the avoidance hole and protrudes from the side of the fixing frame facing the connecting block.

[0021] In one embodiment, the battery cell transfer device also includes a scanning component, which is arranged on the side of the transition plate facing away from the adsorption plate, and a first through hole is opened on the transition plate, and a second through hole is opened on the adsorption plate. The scanning component can scan the information code on the battery cell through the first through hole and the second through hole.

[0022] In one of the embodiments, the fixing device also includes a driving component arranged on the fixing frame and two clamps connected to the driving component, the two clamps are respectively located on both sides of the adsorption plate, the driving component is used to drive the two clamps to move closer to or away from each other, and when the two clamps are close to each other, they can clamp the battery cell from both sides of the battery cell.

[0023] In one embodiment, the fixing device also includes a guide rail provided on the fixing frame, the length extension direction of the guide rail is arranged parallel to the width direction of the adsorption plate, and the driving component is slidably provided on the guide rail and is used to drive the two clamps to slide on the guide rail to approach or move away from each other.

[0024] In one of the embodiments, the frame is provided with a slide rail extending in a horizontal direction, and the driving device is slidably arranged on the slide rail. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the conventional technology, the drawings required for use in the embodiments or the conventional technology descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 A schematic diagram of the structure of a cell transfer device provided in one embodiment of the present application.

[0027] Figure 2 Another structural schematic diagram of a cell transfer device provided in one embodiment of the present application.

[0028] Figure 3 A schematic diagram of a partial structure of a cell transfer device provided in one embodiment of the present application.

[0029] Figure 4 A partial exploded schematic diagram of a cell transfer device provided in one embodiment of the present application.

[0030] Figure 5 Another partial explosion diagram of a cell transfer device provided in one embodiment of the present application.

[0031] Reference numerals:

[0032] 10. Battery cell transfer equipment; 100. Rack; 110. Slide rail; 200. Driving device; 300. Fixing device; 310. Fixing frame; 311. Guide hole; 312. Limit hole; 313. Avoidance hole; 320. Bracket; 330. Elastic member; 340. Adsorption plate; 341. Transition plate; 3411. First through hole; 3412. Second through hole; 342. Limit column; 350. Guide rod assembly; 351. Linear bearing; 352. Guide rod; 353. Connecting block; 360. Adjusting assembly; 370. Buffer; 381. Driving assembly; 382. Clamp; 383. Guide rail; 400. Scanning assembly; 500. Battery cell. DETAILED DESCRIPTION

[0033] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0034] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 In some embodiments, the present application provides a cell transfer device 10, which includes a frame 100, a driving device 200 and a fixing device 300. The driving device 200 is disposed on the frame 100; the fixing device 300 is connected to the driving device 200 and can move along the height direction of the frame 100 under the drive of the driving device 200; the fixing device 300 includes a fixing frame 310 connected to the driving device 200, a bracket 320, an elastic member 330 and an adsorption plate 340 for adsorbing the cell 500; the adsorption plate 340 is connected to the bottom of the fixing frame 310 and can move relative to the fixing frame 310 to approach or move away from the fixing frame 310; the bracket 320 is disposed on the side of the fixing frame 310 facing away from the adsorption plate 340; and the elastic member 330 is connected between the bracket 320 and the adsorption plate 340. Among them, the adsorption plate 340 can be but is not limited to a vacuum pneumatic adsorption plate, an electromagnetic adsorption plate, etc.; for example, if the adsorption plate 340 is a vacuum pneumatic adsorption plate, it can open adsorption holes on the surface of the plate, and the adsorption holes generate negative pressure to adsorb workpieces such as battery cells; for example, if the adsorption plate 340 is an electromagnetic adsorption plate, the electromagnet generates a magnetic field, thereby adsorbing workpieces such as battery cells that can produce a magnetic attraction effect.

[0035] The above-mentioned battery cell transfer device 10 includes at least the following beneficial effects: when the fixing device 300 is located above the soft-pack battery cell 500, the driving device 200 can drive the fixing frame 310 to descend in the height direction and approach the soft-pack battery cell 500 until the adsorption plate 340 is attached to the upper surface of the soft-pack battery cell 500, and the adsorption plate 340 can adsorb the soft-pack battery cell 500, and then the soft-pack battery cell 500 is lifted up again under the drive of the driving device 200 for transfer. It should be noted that in this process, when the adsorption plate 340 just contacts the soft-pack battery cell 500, the reaction force of the soft-pack battery cell 500 on the adsorption plate 340 will be absorbed by the elastic member 330 on the back of the adsorption plate 340, that is, the elastic member 330 will shrink appropriately. In other words, the elastic member 330 has a buffering effect on the contact between the adsorption plate 340 and the soft-pack battery cell 500, which can prevent the soft-pack battery cell 500 from being damaged by excessive impact.

[0036] Specifically, Figure 3 , Figure 4 and Figure 5 As shown, in some embodiments, the fixing frame 310 is provided with a plurality of guide holes 311 arranged at intervals, and the fixing device 300 further comprises a plurality of guide rod assemblies 350, each of which is telescopically arranged in one of the guide holes 311 along the height direction and connected to the adsorption plate 340. The guide holes 311 on the fixing frame 310 have a limiting effect on the guide rod assemblies 350, so that the guide rod assemblies 350 can move smoothly along the height direction, and the adsorption plate 340 connected to the end of the guide rod assemblies 350 can also move smoothly along the height direction under the restriction of the guide rod assemblies 350, so as to avoid shaking and tilting of the adsorption plate 340 and the soft-pack battery cell 500 to be adsorbed and fixed when moving up and down along the height direction.

[0037] More specifically, if Figure 3 , Figure 4 and Figure 5 As shown, in some embodiments, a transition plate 341 is provided on the side of the adsorption plate 340 facing the fixing frame 310, and the adsorption plate 340 is connected to the elastic member 330 through the transition plate 341. The guide rod assembly 350 includes a linear bearing 351 provided in the guide hole 311 and a guide rod 352 telescopically penetrated in the linear bearing 351 along the height direction, and one end of the guide rod 352 is connected to the transition plate 341. The linear bearing 351 can make the movement of the guide rod 352 in the height direction smoother, avoid affecting the contraction of the elastic member 330 when the adsorption plate 340 just contacts the soft-pack battery cell 500, and ensure the buffering effect.

[0038] More specifically, if Figure 3 , Figure 4 and Figure 5As shown, in some embodiments, the guide rod assembly 350 also includes a connecting block 353, and the ends of at least two of the guide rods 352 away from the transition plate 341 are fixed by the connecting block 353, and the connecting block 353 is located on the side of the fixing frame 310 facing away from the adsorption plate 340. When the guide rod 352 is short and slides downward, the guide rod 352 may be at risk of falling out of the linear bearing 351 in the guide hole 311. Therefore, the present embodiment provides a connecting block 353. When the guide rod 352 moves downward to the extreme position, the connecting block 353 can abut against the top surface of the fixing frame 310 to prevent the guide rod 352 from continuing to move downward, thereby preventing the guide rod 352 from falling out of the guide hole 311. In addition, at least two guide rods 352 are fixed by the connecting block 353. The connecting block 353 can also be synchronized with the movement between at least two guide rods 352, which is beneficial to further enhance the smooth movement of the guide rod 352 and the transition plate 341 and the adsorption plate 340 connected to the guide rod 352 in the height direction.

[0039] See also Figure 3 , Figure 4 and Figure 5 In some embodiments, the fixing device 300 also includes an adjustment component 360, which is connected between the bracket 320 and the transition plate 341 and is used to drive the bracket 320 and the transition plate 341 to move closer to or away from each other in the height direction to adjust the elastic force of the elastic member 330.

[0040] Furthermore, if Figure 3 , Figure 4 and Figure 5 As shown, in some embodiments, the bracket 320 is arranged on the side of the fixing frame 310 facing away from the transition plate 341, a plurality of limiting holes 312 are opened on the fixing frame 310, and a limiting column 342 is provided on the transition plate 341, and the free end of the limiting column 342 is passed through the limiting hole 312 and faces the bracket 320, and the number of the elastic members 330 is set to be multiple, and the limiting columns 342 correspond to the elastic members 330 one by one, and the elastic member 330 is a spring, and the elastic member 330 is sleeved on the limiting columns 342 and elastically connected between the bracket 320 and the transition plate 341.

[0041] Furthermore, in some embodiments, the adjustment assembly 360 may include but is not limited to a linear cylinder, etc. In some embodiments, the adjustment assembly 360 includes a driving portion and a telescopic portion connected to the driving portion, the axial direction of the telescopic portion is parallel to the height direction, either the driving portion or the telescopic portion is connected to the transition plate 341, and the other of the driving portion and the telescopic portion is connected to the bracket 320, and the driving portion is used to drive the telescopic portion to perform telescopic movement in the height direction, so as to drive the bracket 320 and the transition plate 341 to move closer to or farther from each other in the height direction.

[0042] See also Figure 4 and Figure 5 In some embodiments, the fixing device 300 further includes a buffer 370, which is fixed to the fixing frame 310, and a retractable buffer end portion of the buffer 370 faces the connecting block 353 and is used to abut against the connecting block 353 to buffer the movement of the connecting block 353 when it approaches the fixing frame 310.

[0043] Specifically, Figure 4 and Figure 5 As shown, in some embodiments, an avoidance hole 313 is opened on the fixing frame 310, the buffer 370 is arranged on the side of the fixing frame 310 facing the transition plate 341, and the retractable buffer end of the buffer 370 is passed through the avoidance hole 313 and protrudes from the side of the fixing frame 310 facing the connecting block 353.

[0044] See also Figure 4 and Figure 5 In some embodiments, the battery cell transfer device 10 further includes a scanning component 400, which is disposed on a side of the transition plate 341 facing away from the adsorption plate 340, and a first through hole 3411 is provided on the transition plate 341, and a second through hole 3412 is provided on the adsorption plate 340, and the scanning component 400 can scan the information code on the battery cell 500 through the first through hole 3411 and the second through hole 3412.

[0045] See also Figure 3 In some embodiments, the fixing device 300 also includes a driving component 381 arranged on the fixing frame 310 and two clamps 382 connected to the driving component 381, and the two clamps 382 are respectively located on both sides of the adsorption plate 340. The driving component 381 is used to drive the two clamps 382 to approach or move away from each other, and when the two clamps 382 approach each other, they can clamp the battery cell 500 from both sides of the battery cell 500.

[0046] Furthermore, if Figure 3 As shown, in some embodiments, the fixing device 300 also includes a guide rail 383 provided on the fixing frame 310, and the length extension direction of the guide rail 383 is arranged parallel to the width direction of the adsorption plate 340, and the driving component 381 is slidably provided on the guide rail 383 and is used to drive the two clamps 382 to slide on the guide rail 383 to approach or move away from each other.

[0047] See also Figure 1 In some embodiments, the frame 100 is provided with a slide rail 110 extending in the horizontal direction, and the driving device 200 is slidably disposed on the slide rail 110. The driving device 200 can drive the fixing device 300 to slide on the slide rail 110 in the horizontal direction to be positioned above the soft-pack battery cell 500. The driving device 200 can include a linear cylinder, an electric push rod, etc., which is not specifically limited here, as long as it can drive the fixing device 300 to move.

[0048] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0049] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

[0050] In the description of the present application, it should be understood that if the 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. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, and does 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 present application.

[0051] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0052] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0053] In the present application, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or similar descriptions appear, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0054] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only implementation method.

[0055] In the description of this specification, the description of reference terms "one embodiment", "other implementation methods", etc. means that the specific features, structures, materials or features described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of the present application. The terms used herein in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application.

Claims

1. A cell transfer device, characterized in that: include: frame; A driving device, wherein the driving device is arranged on the frame; A fixing device, wherein the fixing device is connected to the driving device and can move along the height direction of the frame under the drive of the driving device, the fixing device includes a fixing frame connected to the driving device, a bracket, an elastic member and an adsorption plate for adsorbing the battery cell, the adsorption plate is connected to the bottom of the fixing frame and can move relative to the fixing frame, the bracket is arranged on the side of the fixing frame facing away from the adsorption plate, and the elastic member is connected between the bracket and the adsorption plate.

2. The cell transfer device according to claim 1, characterized in that: The fixing frame is provided with a plurality of guide holes arranged at intervals, and the fixing device further comprises a plurality of guide rod assemblies, each of which is telescopically arranged in one of the guide holes along the height direction and connected to the adsorption plate.

3. The cell transfer device according to claim 2, characterized in that: A transition plate is provided on the side of the adsorption plate facing the fixed frame, and the adsorption plate is connected to the elastic member through the transition plate. The guide rod assembly includes a linear bearing provided in the guide hole and a guide rod telescopically inserted into the linear bearing along the height direction, and one end of the guide rod is connected to the transition plate.

4. The cell transfer device according to claim 3, characterized in that: The guide rod assembly further comprises a connection block, and at least two ends of the guide rods away from the transition plate are fixed by the connection block, and the connection block is located on a side of the fixing frame facing away from the adsorption plate.

5. The cell transfer device according to claim 3, characterized in that: The fixing device also includes an adjustment component, which is connected between the bracket and the transition plate and is used to drive the bracket and the transition plate to move closer to or farther away from each other in the height direction to adjust the elastic force of the elastic member.

6. The cell transfer device according to claim 5, characterized in that: The bracket is arranged on a side of the fixing frame facing away from the transition plate, the fixing frame is provided with a limiting hole, the transition plate is provided with a limiting column, the free end of the limiting column is passed through the limiting hole and faces the bracket, the limiting column corresponds to the elastic member one by one, the elastic member is a spring, the elastic member is sleeved on the limiting column and elastically connected between the bracket and the transition plate; And / or, the number of the elastic members is set to be multiple; And / or, the adjustment assembly is a linear cylinder; And / or, the adjustment assembly includes a driving part and a telescopic part connected to the driving part, the axial direction of the telescopic part is parallel to the height direction, either the driving part or the telescopic part is connected to the transition plate, and the other of the driving part and the telescopic part is connected to the bracket, and the driving part is used to drive the telescopic part to perform telescopic movement in the height direction, so as to drive the bracket and the transition plate to move closer to or away from each other in the height direction.

7. The cell transfer device according to claim 4, characterized in that: The fixing device further comprises a buffer, which is fixed to the fixing frame. The retractable buffer end of the buffer faces the connecting block and is used to abut against the connecting block to buffer the movement of the connecting block when it approaches the fixing frame.

8. The cell transfer device according to claim 7, characterized in that: The fixing frame is provided with an avoidance hole, the buffer is arranged on a side of the fixing frame facing the transition plate, and a retractable buffer end portion of the buffer is passed through the avoidance hole and protrudes from a side of the fixing frame facing the connection block; And / or, the battery cell transfer device also includes a scanning component, which is arranged on the side of the transition plate facing away from the adsorption plate, the transition plate is provided with a first through hole, and the adsorption plate is provided with a second through hole, and the scanning component can scan the information code on the battery cell through the first through hole and the second through hole.

9. The cell transfer device according to claim 1, characterized in that: The fixing device also includes a driving component arranged on the fixing frame and two clamps connected to the driving component, the two clamps are respectively located on both sides of the adsorption plate, the driving component is used to drive the two clamps to move closer to or away from each other, and when the two clamps are close to each other, they can clamp the battery cell from both sides of the battery cell.

10. The cell transfer device according to claim 9, characterized in that: The fixing device further comprises a guide rail provided on the fixing frame, wherein the length extension direction of the guide rail is arranged parallel to the width direction of the adsorption plate, and the driving assembly is slidably arranged on the guide rail and is used to drive the two clamping jaws to slide on the guide rail to approach or move away from each other; And / or, the frame is provided with a slide rail extending in a horizontal direction, and the driving device is slidably arranged on the slide rail.

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