Welding device for stacking and clamping battery cells

Abstract

The utility model discloses a device for stacking, clamping and welding battery cells, which relates to the field of material stacking, comprises a group of mounting racks, and a first limiting piece, a second limiting piece and a third limiting piece which are arranged on the mounting racks, and is characterized in that two groups of guide rails, namely a first guide rail and a second guide rail, which are distributed up and down are arranged on the mounting racks; the number of the guide rails is two, the limiting parts slide along the two guide rails respectively, a push plate is output from the third limiting part and moves towards the first limiting part along the second guide rails, the first limiting part moves towards the third limiting part along the first guide rails, and the second limiting parts are two in number. And the two groups of second limiting pieces are respectively arranged on the two second guide rails, so that the battery cells with all sizes in a certain interval are compatible, the battery cells are stacked in the center, a laser welding function and a lifting appliance are added, the functions of the tool are more perfect, and the time cost of labor is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of material stacking, in particular to a device for stacking, clamping and welding battery cells. Background Art

[0002] In the lithium battery industry, battery cells are basic materials. Before battery production, battery cells need to be stacked.

[0003] At present, manual alignment and clamping are widely used in the industry. It is not easy to center the stacked cells, and the alignment needs to be adjusted left and right to meet the requirements of stacking and series welding. Faced with the placement of battery cells of various specifications and sizes, the difficulty of manual alignment also increases accordingly, which is not only too troublesome, but also increases the labor time cost. Therefore, a device for battery cell stacking, clamping and welding is proposed. Utility Model Content

[0004] The utility model aims to provide a device for stacking, clamping and welding battery cells, so as to solve the problem that the existing battery cells are difficult to stack manually as mentioned in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for stacking, clamping and welding battery cells, comprising a group of mounting frames, and a first limiter, a second limiter and a third limiter arranged on the mounting frame, characterized in that: the mounting frame is provided with two groups of guide rails distributed up and down, which are respectively a first guide rail and a second guide rail, and the two groups of guide rails are each provided with two rails, and a plurality of limiters slide along the two groups of guide rails respectively, and the third limiter outputs a push plate to move along the second guide rail toward the first limiter, and the first limiter moves along the first guide rail toward the third limiter, and the second limiter is provided with a total of There are two groups, and the two groups of second limit members are arranged on the two second guide rails. The device is compatible with battery cells of all sizes within a certain interval. Through the action of the first limit member, the battery cell is in the center position during the stacking process, and each battery cell is in the alignment device. The action of the third limit member can clamp the battery cells after the battery cells are stacked to avoid gaps. In addition, second limit members with laser welding function are arranged on both sides of the battery cell. After the alignment and stacking are completed, welding can be carried out directly to complete the operation, making the function of the tooling more perfect and effectively reducing the time cost of labor.

[0006] Preferably, the first limiting member includes a connecting frame, a sliding block is provided on the connecting frame and slides along the two first guide rails, a clamping member is connected to the connecting frame, a screw and nut mechanism is provided between the two, the clamping member can slide up and down along the connecting frame, and the clamping member can control the left and right alignment of the battery cells located on the substrate to facilitate welding electrodes and connect the battery cells in series.

[0007] Preferably, a first crank is provided on one side of the clamping member, and a forward and reverse lead screw is connected to the first crank, and two sets of connecting plates are installed on the forward and reverse lead screw, and insulating plates and pneumatic clamps are provided on the connecting plates. The operation of the forward and reverse lead screw can control the connecting plates on the lead screw to approach or move away from each other. When they are close, the battery cells between the two clamps can be clamped to keep the battery cells aligned.

[0008] Preferably, the second limiting member includes a mounting platform, and a fourth crank is connected below the mounting platform. The fourth cranks on the two groups of second limiting members can drive the two mounting platforms to move closer to or away from each other. When they move closer, the welding assembly located on the mounting platform can act on the battery cell to complete the operation of welding electrodes on the battery cell.

[0009] Preferably, a guide assembly is provided on one side of the mounting platform close to the third limiting member, a third crank is provided on the guide assembly, and a welding assembly is provided at the output end of the third crank for electrode welding to connect the battery cells in series.

[0010] Preferably, the third limiting member includes a reducer, a fifth crank is provided on the input end of the reducer, a T-shaped lead screw is provided on the output end of the reducer, the end of the T-shaped lead screw is connected to the push plate, and the rotation of the fifth crank can output the T-shaped lead screw to push the battery cell to move toward the end of the substrate, thereby pressing the battery cells together.

[0011] Preferably, the push plate is provided with two sliders, which are arranged on the second guide rails on both sides, so as to facilitate the third limit member to drive the push plate to move, and use the push plate to clamp each battery cell.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the device is compatible with battery cells of all sizes within a certain range, and through the action of the first limiter, the battery cells are in the center position during the stacking process, and each battery cell is in the alignment device, while the action of the third limiter can clamp the battery cells after the battery cells are stacked to avoid gaps. In addition, second limiters with laser welding function are arranged on both sides of the battery cells, and welding can be directly performed after the alignment and stacking are completed to complete the operation, thereby making the function of the tooling more complete and effectively reducing the labor time cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall appearance of the utility model;

[0014] Figure 2 This is a front view of the first position limiting member of the utility model;

[0015] Figure 3 It is a side view schematic diagram of the first position limiting member of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the second position-limiting member of the utility model;

[0017] Figure 5 This is a schematic diagram of the structure of the third limiting member of the utility model.

[0018] In the figure: 1. first limit member; 2. second limit member; 3. third limit member; 4. first guide rail; 5. base plate; 6. second guide rail; 11. connecting frame; 12. first crank; 13. second crank; 14. connecting plate; 15. insulating plate; 16. pneumatic clamp; 21. third crank; 22. guide assembly; 23. mounting table; 24. fourth crank; 25. welding assembly; 31. fifth crank; 32. reducer; 33. T-type screw; 34. support seat; 35. push plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] like Figures 1 to 5 As shown, the utility model provides a technical solution for a battery cell stacking, clamping and welding device: a battery cell stacking, clamping and welding device, comprising a mounting frame for mounting two sets of guide rails, and a first limiter 1, a second limiter 2 and a third limiter 3 arranged on the mounting frame, the two sets of guide rails are respectively a first guide rail 4 and a second guide rail 6, the two sets of guide rails are arranged up and down, and the two sets of guide rails are each provided with two rails, the first limiter 1 slides along the first guide rail 4, the third limiter 3 is connected with a push plate 35 and slides along the second guide rail 6, the second limiter 2 is provided with two groups, and is arranged on the second guide rail 6 on both sides, and slides along it, a base plate 5 is provided in the middle of the mounting frame, and a supporting plate is provided at one end of the base plate 5 close to the first limiter 1;

[0021] The first limiting member 1 includes a connecting frame 11, a clamping member is arranged on one side of the connecting frame 11, a first crank 12 is arranged on the side of the clamping member, a positive and negative threaded screw is connected to the first crank 12, two groups of connecting plates 14 symmetrically arranged are slidably installed on the side of the clamping member close to the third limiting member 3, another guide rail is arranged between the connecting plate 14 and the clamping member for limitation, and the two groups of connecting plates 14 are connected with the positive and negative threaded screw, and the two groups of connecting plates 14 can be controlled to move closer to or farther from each other by rotating the first crank 12, an insulating plate 15 is arranged on the connecting plate 14, and a pneumatic clamp 16 is installed on the insulating plate 15, a screw nut mechanism is arranged between the connecting frame 11 and the clamping member, and a second crank 13 is arranged on the mechanism, and the rotation of the second crank 13 can control the clamping member to move up and down;

[0022] The second position-limiting member 2 includes a mounting platform 23, a slider connected to the second guide rail 6 and a fourth crank 24 are arranged below the mounting platform 23, the fourth crank 24 is placed between the slider and the mounting platform 23, the rotation of the fourth crank 24 can control the mounting platforms 23 on the two second guide rails 6 on both sides to move closer to or away from each other, a guide assembly 22 is arranged on the side of the mounting platform 23 close to the third position-limiting member 3, a third crank 21 is arranged on the guide assembly 22, a welding assembly 25 is connected to the third crank 21, and the rotation of the third crank 21 can control the welding assembly 25 to slide up and down;

[0023] The third limiting member 3 includes a fifth crank handle 31 , the output end of the fifth crank handle 31 is connected to a reducer 32 , the output end of the reducer 32 is connected to a T-shaped lead screw 33 , the end of the T-shaped lead screw 33 is connected to a push plate 35 , and a support seat 34 is provided at the connection point with the push plate 35 .

[0024] It should be added that the several crank handles mentioned above are all connected to a screw propulsion mechanism.

[0025] During use, an interlayer will be placed between each battery cell. After the battery cell is placed on the substrate 5, the first limiting member 1 will work first. During the movement of the first limiting member 1 along the two first guide rails 4 on the upper side, the rotation of the connecting frame 11, through the action of the positive and negative lead screws, drives the two insulating plates 15 and the pneumatic clamping claws 16 to gather towards the middle at the same time, so as to achieve the effect of aligning the several battery cells on the substrate 5 left and right. After completing this step, the third limiting member 3 will work again, rotating the fifth crank 31, driving the T-shaped lead screw 33 to push the push plate 35 to move in the direction of the first limiting member 1. Since a support plate is provided on the substrate 5, the push plate 35 pushes several battery cells to clamp, so as to narrow the gap between each battery cell and the partition. After completion, the second limiting members 2 on both sides move along the second guide rails 6 to weld electrodes on each battery cell, and connect the battery cells in series to form a passage. At this point, the equipment completes the stacking welding operation of the battery cells, and then removes the battery cell assembly that has completed the operation, places a new battery cell, and repeats the operation.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for stacking, clamping and welding battery cells, comprising a set of mounting frames, and a first limiting member (1), a second limiting member (2) and a third limiting member (3) arranged on the mounting frames, characterized in that: The mounting frame is provided with two groups of guide rails distributed up and down, namely a first guide rail (4) and a second guide rail (6), each of the two groups of guide rails is provided with two rails, and a plurality of limit members slide along the two groups of guide rails respectively. The third limit member (3) is provided with a push plate (35) that moves along the second guide rail (6) toward the first limit member (1), and the first limit member (1) moves along the first guide rail (4) toward the third limit member (3). The second limit member (2) is provided with two groups in total, and the two groups of second limit members (2) are arranged on the two second guide rails (6).

2. The device for stacking, clamping and welding battery cells according to claim 1, characterized in that: The first limiting member (1) comprises a connecting frame (11), a sliding block is arranged on the connecting frame (11) and slides along two first guide rails (4), a clamping member is connected to the connecting frame (11), a screw nut mechanism is arranged between the two, and the clamping member can slide up and down along the connecting frame (11).

3. The device for stacking, clamping and welding battery cells according to claim 2, characterized in that: A first crank (12) is provided on one side of the clamping member, the first crank (12) is connected to a forward and reverse threaded screw, two groups of connecting plates (14) are installed on the forward and reverse threaded screw, and an insulating plate (15) and a pneumatic clamp (16) are provided on the connecting plate (14).

4. The device for stacking, clamping and welding battery cells according to claim 1, characterized in that: The second position-limiting member (2) comprises a mounting platform (23), a fourth crank (24) being connected below the mounting platform (23), and the fourth crank (24) on the two sets of second position-limiting members (2) can drive the two mounting platforms (23) to move closer to or farther from each other.

5. The device for stacking, clamping and welding battery cells according to claim 4, characterized in that: A guide assembly (22) is provided on one side of the mounting platform (23) close to the third position-limiting member (3), a third crank handle (21) is provided on the guide assembly (22), and a welding assembly (25) is provided at the output end of the third crank handle (21).

6. The device for stacking, clamping and welding battery cells according to claim 1, characterized in that: The third position-limiting member (3) comprises a reducer (32), a fifth rocker (31) is arranged on the input end of the reducer (32), a T-shaped lead screw (33) is arranged on the output end of the reducer (32), and the end of the T-shaped lead screw (33) is connected to the push plate (35).

7. The device for stacking, clamping and welding battery cells according to claim 6, characterized in that: The push plate (35) is provided with two sliding blocks, which are arranged on the second guide rails (6) on both sides.

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