CN114639861B

CN114639861B - Battery cell clamping jig and battery cell processing device

Info

Publication number: CN114639861B
Application number: CN202210088314.6A
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Wuxi Lead Intelligent Equipment Co Ltd
Current assignee: Wuxi Lead Intelligent Equipment Co Ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2023-10-20
Anticipated expiration: 2042-01-25
Also published as: CN114639861A

Abstract

The application relates to a battery cell clamping jig and a battery cell processing device. The base is provided with a battery core cushion block for bearing the battery core and lug support blocks positioned at two ends of the battery core cushion block and used for bearing the lugs. The cell to be processed can be placed in the cell pad. And then, the pressing driving piece drives the battery cell pressing block and the pressing roller to press downwards along the preset direction until the battery cell pressing block presses the battery cell on the battery cell cushion block to realize positioning. Meanwhile, the press roller is abutted with the lugs at the two ends of the battery cell and pushes the lugs to the lug support blocks. Because the press roller can rotate, the press roller rolls along the surface of the tab in the process of pushing the tab to press down, so that the tab is smoothed out and cannot be pulled. Therefore, after the battery cell is compressed, the lugs at the two ends of the battery cell are effectively limited, and the consistency of the lugs is good. Therefore, the battery cell clamping jig and the battery cell processing device can improve processing precision.

Description

Battery cell clamping jig and battery cell processing device

Technical Field

The application relates to the technical field of lithium battery production equipment, in particular to a battery cell clamping jig and a battery cell processing device.

Background

In the production process of lithium batteries, operations such as cutting and welding are required for the tabs. Before cutting or welding, the tab needs to be positioned, and the tab is ensured not to be torn or wrinkled, so that the processing precision can be ensured. The tab is generally loose and sagging due to its softer material. However, the conventional jig does not effectively limit the tab of the battery cell when clamping the battery cell main body. In this way, the consistency of the tabs is poor, thereby affecting the accuracy of the machining.

Disclosure of Invention

In view of the above, it is necessary to provide a cell clamping jig and a cell processing device capable of improving processing accuracy.

A cell clamping jig comprising:

the battery cell support comprises a base, wherein a battery cell cushion block used for bearing a battery cell and lug support blocks positioned at two ends of the battery cell cushion block and used for bearing lugs are arranged on the base; a kind of electronic device with high-pressure air-conditioning system

The pressing mechanism comprises a pressing driving piece, a battery cell pressing block and a pressing roller, wherein the battery cell pressing block and the pressing roller are both arranged at the driving end of the pressing driving piece, and the pressing roller can rotate;

the pressing driving piece can drive the battery cell pressing block and the pressing roller to press downwards along a preset direction, so that the battery cell pressing block presses the battery cell positioned on the battery cell cushion block, and the pressing roller presses the lugs at two ends of the battery cell to the lug supporting block.

In one embodiment, the cell press block can be elastically pressed on the cell located in the cell pad.

In one embodiment, the pressing mechanism further comprises an adapter plate and a connecting rod, the adapter plate is fixed to the driving end of the pressing driving piece, the battery cell pressing block is installed on the adapter plate, one end of the connecting rod is fixed to the adapter plate, and the pressing roller is installed on one end, far away from the adapter plate, of the connecting rod through a bearing.

In one embodiment, the base is fixedly provided with a limiting part, and the pressing driving part can drive the adapter plate to be pressed down to be abutted with the limiting part.

In one embodiment, the pressing mechanism is capable of being switched between a first state and a second state, when the pressing mechanism is in the first state, the projections of the battery cell pressing block and the pressing roller along the preset direction are respectively located in the range of the battery cell cushion block and the tab support block, and when the pressing mechanism is in the second state, the projections of the battery cell pressing block and the pressing roller along the preset direction are respectively located outside the range of the battery cell cushion block and the tab support block.

In one embodiment, the pressing driving member includes a driving shaft extending along the preset direction and capable of rotating around an axis parallel to the preset direction so as to drive the pressing mechanism to switch between the first state and the second state.

A cell processing apparatus comprising:

the circulating conveying mechanism is provided with a feeding station, an operating station and a discharging station along a conveying route of the circulating conveying mechanism;

the plurality of cell clamping jigs according to any one of the above preferred embodiments, wherein the plurality of cell clamping jigs can pass through the feeding station, the operating station and the discharging station in sequence under the driving of the circulating conveying mechanism.

In one embodiment, the circulating conveying mechanism comprises a circulating line and a plurality of jig bottom plates slidably arranged on the circulating line, and the plurality of battery cell clamping jigs can be respectively placed on the plurality of jig bottom plates.

In one embodiment, a replacement station is further provided, and the cell clamping jig moved to the replacement station can be removed from the jig base plate.

In one embodiment, the head end and the tail end of each jig bottom plate are respectively provided with a hooking piece and a buckling piece, and the plurality of jig bottom plates are hooked with the buckling pieces through the hooking pieces to be connected end to end.

In one embodiment, the hooking member comprises two cam bearings arranged at intervals along the width direction of the jig bottom plate, the buckling member comprises two L-shaped baffles arranged at intervals along the width direction of the jig bottom plate, the two L-shaped baffles are enclosed to form a clamping groove with an opening, and the distance between the two cam bearings is smaller than the width of the clamping groove and larger than the width of the opening.

In one embodiment, the pressing driving member includes a driving shaft, the driving shaft extends along the preset direction and can rotate around an axis parallel to the preset direction, so as to drive the pressing mechanism to switch between a first state and a second state, the electrical core processing device further includes an opening and clamping mechanism disposed at the feeding station and the discharging station, and the opening and clamping mechanism includes:

a support plate;

the rotating shaft extends along the preset direction and is rotatably arranged on the supporting plate, and the rotating shaft can lift along the preset direction;

the lifting driving piece is arranged on the supporting plate and can drive the rotating shaft to lift up until the top end of the rotating shaft is in butt joint with the driving shaft;

the rotary driving piece can drive the rotating shaft to rotate so as to drive the driving shaft to rotate, so that the pressing mechanism is switched between the first state and the second state.

Above-mentioned electric core clamping jig and electric core processingequipment, the electric core of waiting to process can be placed in the electric core cushion in advance. And then, the pressing driving piece drives the battery cell pressing block and the pressing roller to press downwards along the preset direction until the battery cell pressing block presses the battery cell on the battery cell cushion block to realize positioning. Meanwhile, the press roller is abutted with the lugs at the two ends of the battery cell and pushes the lugs to the lug support blocks. Because the press roller can rotate, the press roller rolls along the surface of the tab in the process of pushing the tab to press down, so that the tab is smoothed out and cannot be pulled. Therefore, after the battery cell is compressed, the lugs at the two ends of the battery cell are effectively limited, and the consistency of the lugs is good. Therefore, the battery cell clamping jig and the battery cell processing device can improve processing precision.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of a cell clamping fixture according to a preferred embodiment of the present application;

FIG. 2 is a top view of the cell clamping fixture shown in FIG. 1;

FIG. 3 is a left side view of the cell clamping fixture of FIG. 1;

FIG. 4 is a right side view of the cell clamping fixture of FIG. 1;

FIG. 5 is a schematic view of a circulation line in a cell processing apparatus according to an embodiment of the present application;

FIG. 6 is a schematic diagram of a fixture bottom plate in a cell processing apparatus according to an embodiment of the present application;

fig. 7 is a schematic view of an opening mechanism in a cell processing apparatus according to an embodiment of the present application.

Detailed Description

In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1, the present application provides a cell clamping fixture 100. In addition, the application also provides a battery cell processing device. The cell processing device comprises a plurality of cell clamping jigs 100 and a circulating conveying mechanism.

Each cell clamping jig 100 can position and clamp a cell 20 to be processed, and two ends of the cell 20 are provided with lugs 21. The conveying route of the circulating conveying mechanism is annular, and a feeding station, an operating station and a discharging station are arranged along the conveying route of the circulating conveying mechanism, and the plurality of battery cell clamping jigs 100 can sequentially pass through the feeding station, the operating station and the discharging station under the driving of the circulating conveying mechanism.

The feeding station is provided with a feeding mechanism (not shown), and the battery cell clamping jig 100 and the clamped battery cells 20 can be placed into a circulating conveying mechanism at the feeding station; the operation station is correspondingly provided with a welding mechanism, a cutting mechanism and the like, so that operations such as cutting, welding and the like can be performed on the tab 21 of the battery cell 20; at the blanking station, the machined battery cells 20 can be taken away from the battery cell clamping jig 100 by a mechanical arm or by manual blanking. Finally, the cell clamping jig 100 may be returned to the loading station again and cycled accordingly.

Referring to fig. 5 and fig. 6 together, in the present embodiment, the circulating conveying mechanism includes a circulating line 210 and a plurality of jig base plates 220 slidably disposed on the circulating line 210, and the plurality of cell clamping jigs 100 can be placed on the plurality of jig base plates 220 respectively.

Specifically, the jig bottom plate 220 may be connected to the circulation line 210 through a slider and a guide rail, the circulation line 210 generally includes a plurality of conveying lines 211 and power elements 212, and the power elements 212 can drive the jig bottom plate 220 to move along a conveying path of the circulation conveying mechanism. Through the transition of the jig bottom plate 220, the cell clamping jig 100 can be conveniently taken and placed. For example, the conveyor line 210 in this embodiment includes two conveyor lines 211 disposed one above the other and four power elements 212. Two power elements 212 are arranged on the left side and the right side to drive the jig bottom plate 220 to transfer between the upper conveying line 211 and the lower conveying line 211; the upper and lower power elements 212 are used to drive the jig base plate 220 to move horizontally on the corresponding conveying line 211.

In addition, after a number of cycles, the cell clamping jig 100 may be damaged. Thus, in this embodiment, the cell processing apparatus is further provided with a replacement station to which the cell clamping jig 100 can be removed from the jig base plate 220. The replacement station is generally located downstream of the blanking station, and may also be located at the same location as the blanking station. After the damaged cell clamping jig 100 is removed, the empty jig bottom plate 220 can be replenished with a new cell clamping jig 100 when it enters the loading station. Thus, the whole line shutdown process when the abnormality occurs in the individual cell clamping jig 100 can be avoided, thereby ensuring that the productivity is not affected.

In this embodiment, the head end and the tail end of each fixture bottom plate 220 are respectively provided with a hooking member 221 and a fastening member 222, and the fixture bottom plates 220 are hooked with the fastening members 222 through the hooking members 221 to achieve end-to-end connection. Thus, the jig bottom plates 220 can be mutually driven, so that the plurality of jig bottom plates 220 can be driven to move simultaneously by only arranging fewer power elements 212 on the circulation line 210, thereby being beneficial to simplifying the structure.

Further, in the present embodiment, the hooking member 221 includes two cam bearings 2211 disposed at intervals along the width direction of the jig bottom plate 220, the fastening member 222 includes two L-shaped baffles 2221 disposed at intervals along the width direction of the jig bottom plate 220, the two L-shaped baffles 2221 are enclosed to form a slot 2223 with an opening 2222, and the distance between the two cam bearings 2211 is smaller than the width of the slot 2223 and larger than the width of the opening 2222.

The width direction refers to a direction perpendicular to the moving direction of the jig base plate 220, i.e., an up-down direction shown in fig. 6. When the hooking member 221 and the fastening member 222 are in the unhooking state, the two adjacent jig bottom plates 220 relatively move along the direction perpendicular to the bearing surface of the jig bottom plates 220 (the direction perpendicular to the plane of the drawing in fig. 6), so that the cam bearing 2211 can enter the fastening groove 2223 and cannot be separated from the fastening buckle 2222, thereby realizing hooking. When the hooking member 221 and the fastening member 222 are in the hooking state, the two adjacent jig bottom plates 220 move relatively along the direction perpendicular to the bearing surface of the jig bottom plates 220, so that the cam bearing 2211 can be moved out of the clamping groove 2223, thereby achieving unhooking. It can be seen that the above structure facilitates unhooking or hooking the hooking member 221 and the fastening member 222.

Referring to fig. 2 to 4, the cell clamping fixture 100 includes a base 110 and a pressing mechanism 120. The base 110 is provided with a battery core cushion block 111 and a tab support block 112, the battery core cushion block 111 is used for bearing the battery core 20, and the tab support block 112 is located at two ends of the battery core 20 cushion block 111 and is used for bearing tabs 21 at two ends of the battery core 20. The cell pad 111 and the tab support 112 may have plate structures, and the tab support 112 extends outward from the end of the cell pad 111.

The compressing mechanism 120 includes a compressing driving member 121, a battery cell pressing block 122 and a pressing roller 123, where the battery cell pressing block 122 and the pressing roller 123 are both disposed at a driving end of the compressing driving member 121, and the pressing roller 123 can rotate. The cell pressing block 122 and the pressing roller 123 can be pressed down in a predetermined direction by the pressing driving member 121. Specifically, the preset direction refers to the up-down direction shown in fig. 1. The pressing driving member 121 may employ a spring return cylinder having a driving shaft 1211, and may be configured to retract and move the movable core pressing block 122 and the pressing roller 123 by the driving shaft 1211.

When the battery cell pressing block 122 and the pressing roller 123 are pressed down, the battery cell pressing block 122 can press the battery cell 20 positioned on the battery cell cushion block 111, and the pressing roller 123 can press the lugs 21 at two ends of the battery cell 20 on the lug support block 112. The main body of the battery 20 can be positioned well under the holding action of the battery cell press block 122. In the process of pressing the battery cell 20, the press roller 123 abuts against the lugs 21 at two ends of the battery cell 20 and pushes the lugs to the lug support 112. Since the pressing roller 123 can rotate, the pressing roller 123 will roll along the surface of the tab 21 in the process of pushing the tab 21 downward.

The rotation axis of the pressing roller 123 is approximately parallel to the bearing surface of the tab support 112. In the pressing process of the pressing roller 123, the tab 21 can be smoothed out by the rolling action and the tab 21 cannot be pulled, so that the tab 21 is not easy to wrinkle. Therefore, after the battery cell 20 is pressed, the tabs 21 at the two ends of the battery cell are effectively limited, so that the battery cell clamping jig 100 can well position the battery cell 20 and the tabs 21 at the two ends of the battery cell. Moreover, after being smoothed by the pressing roller 123, the consistency of the tab 21 is also better, so that the accuracy of the subsequent processing of the tab 21 is also higher.

In this embodiment, the number of the pressing mechanisms 120 is two, and the pressing mechanisms are respectively located at two ends of the base 110. The two pressing mechanisms 120 can jointly press the two ends of the battery cell 20, so that the pressing effect is good. Moreover, the two pressing mechanisms 120 can respectively press the tabs 21 at the two ends of the battery cell 20. Obviously, in other embodiments, only one hold-down mechanism 120 may be provided. At this time, the cell pressing block 122 needs to be long enough, and two pressing rollers 123 are disposed at two ends of the cell pressing block 122 to press the tabs 21 at two ends of the cell 20 respectively.

In this embodiment, the pressing mechanism 120 further includes an adapter plate 124 and a connecting rod 125, the adapter plate 124 is fixed on the driving end of the pressing driving member 121, the battery cell pressing block 122 is installed on the adapter plate 124, one end of the connecting rod 125 is fixed on the adapter plate 124, and the pressing roller 123 is installed on one end of the connecting rod 125 far away from the connecting plate 124 through a bearing 126.

Specifically, the adapter plate 124 and the connecting rod 125 perform the functions of adapter and transition, so as to facilitate connection between the battery cell pressing block 122 and the pressing roller 123 and the driving end of the pressing driving member 121. Each pressing mechanism 120 is provided with at least two connecting rods 125, and both ends of the pressing roller 123 are respectively mounted on the two connecting rods 125 through bearings 126, thereby realizing rotation.

In this embodiment, the cell pressing block 122 can be elastically pressed against the cell located in the cell pad 111. In this way, the cell pressing block 122 can prevent the cell 20 from being damaged due to excessive pressure applied by the pressing driver 120 when the cell 20 is pressed.

Specifically, an elastic mechanism 127 may be disposed between the adapter plate 124 and the cell pressing block 122, so that the cell pressing block 122 can be elastically pressed against the cell located in the cell pad 111. The elastic mechanism 127 may be an elastic pad, a compression spring, or the like.

In this embodiment, the base 110 is fixedly provided with a limiting member 113, and the pressing driving member 121 can drive the adapter plate 124 to press down to abut against the limiting member 113. The limiting member 113 may have a structure such as a screw, and the pressing distance between the cell block 122 and the pressing roller 123 is defined by the limiting member 113. When the adapter plate 124 abuts against the limiting member 113, the pressing roller 123 stops pressing down, so that the consistency of pressing down the lugs 21 on both sides can be ensured.

In the present embodiment, the pressing mechanism 120 can be switched between a first state and a second state, and when in the first state, the projections of the battery cell pressing block 122 and the pressing roller 123 along the preset direction are respectively located in the ranges of the battery cell cushion block 111 and the tab support block 112; when in the second state, the projections of the battery cell pressing block 122 and the pressing roller 123 along the preset direction are respectively located outside the ranges of the battery cell cushion block 111 and the tab support block 112.

As shown in fig. 2, the hold-down mechanism 120 is in a first state. At this time, the cell block 122 and the press roller 123 are respectively located above the cell pad 111 and the tab support 112. Therefore, when the pressing driver 121 drives the cell block 122 and the pressing roller 123 to press down, the cell 20 and the tab 21 can be pressed down.

When the adapter plate 124 shown in fig. 2 rotates 90 degrees counterclockwise or clockwise, the cell block 122 and the press roller 123 are removed from above the cell pad 111 and the tab support 112, and the pressing mechanism 120 is switched to the second state. At this time, the pressing mechanism 120 will not block the upper parts of the cell pad 111 and the tab support 112, so as to facilitate the taking and placing of the cell 20.

Further, in the present embodiment, the pressing driving member 121 includes a driving shaft 1211, and the driving shaft 1211 extends along a preset direction and can rotate around an axis parallel to the preset direction to drive the pressing mechanism 120 to switch between the first state and the second state. Therefore, when the state of the pressing mechanism 120 needs to be switched, only the drive shaft 1211 needs to be rotated, so that the operation can be made convenient.

Referring to fig. 7, the apparatus further includes an opening mechanism 300, where the opening mechanism 300 is disposed at a feeding station and a discharging station. When the cell clamping jig 100 enters the feeding station and the discharging station, the clamping opening mechanism 300 can switch the pressing mechanism 120 to the second state, so that the feeding and discharging operations on the cell 20 are facilitated.

More specifically, the clip opening mechanism 300 includes a support plate 310, a shaft 320, a lifting drive 330, and a rotation drive (not shown). The rotating shaft 320 extends along a preset direction and is rotatably mounted on the supporting plate 310, and the rotating shaft 320 can be lifted along the preset direction. The elevation driving member 330 is mounted to the support plate 310 and is capable of driving the rotation shaft 320 to be elevated until the top end of the rotation shaft 320 is abutted with the driving shaft 1211. The top end of the shaft 320 may be configured as a sleeve to provide a socket-and-spigot engagement with the drive shaft 1211. The rotation driving member can drive the rotation shaft 320 to rotate to drive the driving shaft 1211 to rotate, so that the pressing mechanism 120 is switched between the first state and the second state.

The elevating driving unit 330 may employ an air cylinder. Correspondingly, two rotating shafts 320 are provided, and the two compressing mechanisms 120 are respectively opened. The opening mechanism 300 further includes a connection plate 350, and the two rotating shafts 320 are rotatably mounted on the connection plate 350 through a bearing 340 with a seat. The driving end of the lifting driving member 330 is abutted against the connecting plate 350, so as to simultaneously drive the two rotating shafts 320 to lift.

Therefore, after the cell clamping fixture 100 is in place, the clamping opening mechanism 300 acts to automatically switch the pressing mechanism 120 to the second state for taking and placing the cell 20. After the picking and placing is completed, the clamping opening mechanism 300 can be reversely operated to switch the compressing mechanism 120 to the first state to be ready for compressing the battery cell 20, so that the efficiency can be improved.

The above-mentioned cell clamping jig 100 and cell processing device, the cell 20 to be processed may be placed in the cell pad 111. Next, the pressing driving member 121 drives the cell pressing block 122 and the pressing roller 123 to press down along the preset direction until the cell pressing block 122 presses the cell 20 against the cell pad 111 to achieve positioning. At the same time, the pressing roller 123 will contact with the tabs 21 at both ends of the battery cell 20 and push the tabs 21 toward the tab support block 112. Since the pressing roller 123 can rotate, the pressing roller 123 rolls along the surface of the tab 21 in the process of pushing the tab 21 down, so that the tab 21 is smoothed out and the tab 21 is not pulled. Therefore, after the battery cell 20 is pressed, the two end lugs 21 of the battery cell are effectively limited, and the consistency of the lugs 21 is good. Therefore, the above-described cell clamping jig 100 and the cell processing device can improve the processing accuracy.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims

1. Electric core presss from both sides tight tool, a serial communication port includes:

the pressing driving piece can drive the battery cell pressing block and the pressing roller to press downwards along a preset direction, so that the battery cell pressing block presses the battery cell positioned on the battery cell cushion block, and the pressing roller presses the lugs at two ends of the battery cell on the lug support block;

the pressing mechanism can be switched between a first state and a second state, when the pressing mechanism is in the first state, the electric core pressing block and the pressing roller are respectively located in the range of the electric core cushion block and the lug support block along the projection of the preset direction, and when the pressing mechanism is in the second state, the electric core pressing block and the pressing roller are respectively located outside the range of the electric core cushion block and the lug support block along the projection of the preset direction.

2. The cell clamping jig of claim 1, wherein the cell press block is capable of being elastically pressed against a cell located in the cell pad.

3. The battery cell clamping jig according to claim 1, wherein the pressing mechanism further comprises an adapter plate and a connecting rod, the adapter plate is fixed to the driving end of the pressing driving piece, the battery cell pressing block is mounted on the adapter plate, one end of the connecting rod is fixed to the adapter plate, and the pressing roller is mounted on one end of the connecting rod, which is far away from the adapter plate, through a bearing.

4. The battery cell clamping jig according to claim 3, wherein a limiting piece is fixedly arranged on the base, and the pressing driving piece can drive the adapter plate to be pressed down to be abutted with the limiting piece.

5. The cell clamping jig of claim 1, wherein the compression drive comprises a drive shaft extending in the preset direction and rotatable about an axis parallel to the preset direction to drive the compression mechanism to switch between the first state and the second state.

6. A cell processing apparatus, comprising:

a plurality of the cell clamping jigs according to any one of claims 1 to 5, wherein the plurality of the cell clamping jigs can pass through the feeding station, the operating station and the discharging station in sequence under the drive of the circulating conveying mechanism.

7. The device of claim 6, wherein the circulating conveyor comprises a circulating line and a plurality of jig base plates slidably disposed on the circulating line, and the plurality of cell clamping jigs can be placed on the plurality of jig base plates respectively.

8. The cell processing device of claim 7, further comprising a replacement station, wherein the cell clamping jig moved to the replacement station is removable from the jig base plate.

9. The device for processing a battery cell according to claim 7, wherein a hook connecting piece and a buckle piece are respectively arranged at the head end and the tail end of each jig bottom plate, and a plurality of jig bottom plates are hooked with the buckle pieces through the hook connecting pieces to be connected end to end.

10. The battery cell processing device according to claim 9, wherein the hooking member comprises two cam bearings arranged at intervals along the width direction of the jig bottom plate, the buckling member comprises two L-shaped baffles arranged at intervals along the width direction of the jig bottom plate, the two L-shaped baffles are enclosed to form a clamping groove with an opening, and the distance between the two cam bearings is smaller than the width of the clamping groove and larger than the width of the opening.

11. The device of claim 6, wherein the pressing driving member includes a driving shaft extending in the preset direction and capable of rotating about an axis parallel to the preset direction to drive the pressing mechanism to switch between a first state and a second state, and further includes an opening mechanism provided at the feeding station and the discharging station, the opening mechanism including:

a support plate;