Battery cell winding equipment for lithium battery production

Abstract

The utility model relates to the technical field of battery cell winding equipment, and discloses battery cell winding equipment for lithium battery production, which comprises a working table, a first mounting plate is mounted at the top of the working table, and a first driving motor is mounted on one side, far away from the working table, of the first mounting plate; and the output end of the first driving motor is fixedly connected with a rotating rod. According to the battery cell winding equipment for lithium battery production, the workbench and the first mounting plate are used in cooperation, and meanwhile, a second driving motor is used for driving a first threaded rod to rotate, so that the first threaded rod can drive a sliding block to slide in a sliding groove, and then the position of the second mounting plate can be adjusted; and when the winding roller is taken out, the second driving motor can reversely drive the first threaded rod to rotate, so that the first threaded rod can drive the sliding block to move in the direction away from the workbench, and the winding roller can be taken out conveniently after being wound.

Description

Technical Field

[0001] The utility model relates to the technical field of battery core winding equipment, in particular to a battery core winding equipment for lithium battery production. Background Art

[0002] With the continuous development of science and technology, cell winding in lithium battery production is a key process in the lithium battery manufacturing process, which directly affects the battery's electrochemical properties, safety performance and the quality of the final product.

[0003] An existing cell winding device for lithium battery production can refer to the Chinese utility model patent with authorization announcement number CN213401291U, which discloses a cell winding device for lithium battery production, "including a frame, support columns are fixedly installed at the four corner positions of the lower end face of the frame, a winding mechanism is provided at the corner position of one side of the upper end face of the frame, and limiting columns are fixedly installed at both sides of the upper end face of the frame, and an adjustment mechanism is provided on the upper end face of the frame between the limiting columns; two corresponding limiting plates are located at the corner positions on both sides of the upper end face of the frame, and a core winding wheel is rotatably connected between the two corresponding limiting plates. This equipment can not only effectively make the external core wire evenly wound on the annular outer surface of the core winding wheel, effectively avoiding the core wire being wound in one place, resulting in a large amount of waste of the area of the annular outer surface of the core winding wheel, but also can effectively control the tension of the core wire, making it convenient for external personnel to wind the core wire."

[0004] When the above device is in use, it effectively makes the external core wire evenly wound on the annular outer surface of the winding wheel, effectively avoiding the core wire being wound in one place, resulting in a large amount of waste of the area of the annular outer surface of the winding wheel. When the above device is in use, it is not convenient to take out the battery cell after winding, and it is not conducive to quickly placing a new winding roller to wind up the battery cell. For this reason, we propose a battery cell winding equipment for lithium battery production. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides a battery cell winding device for lithium battery production, which has the advantages of strong practicality, good stability, convenient removal of battery cell rolls and easy adjustment of electrical tension. It solves the problem that traditional battery cell winding equipment for lithium battery production is not convenient for removing the battery cell after winding, and is not conducive to the rapid placement of new winding rollers to wind up the battery cell.

[0006] The utility model provides the following technical solution: a battery cell winding device for lithium battery production, comprising a workbench, wherein a first mounting plate is installed on the top of the workbench, a first driving motor is installed on the side of the first mounting plate away from the workbench, an output end of the first driving motor is fixedly connected to a rotating rod, and the rotating rod passes through the other side of the first mounting plate, a first limiting block is installed on the other end of the rotating rod, the outside of the first limiting block is inserted into the inside of the winding roller, and a second limiting block is inserted into the inside of the other end of the winding roller, the second limiting block is provided with a rotating column on the side away from the winding roller, the rotating column is rotatably connected to the inside of the second mounting plate, a slider is installed at the bottom of the second mounting plate, the slider is slidably connected to the inside of a slide groove, and the slide groove is opened at the top of the workbench, a second driving motor is installed on the front of the workbench, the output end of the second driving motor is fixedly connected to the first threaded rod, and the first threaded rod is threadedly connected to the inside of the slider.

[0007] Preferably, a mounting bracket is provided on the top of the workbench, a placement plate is fixedly installed inside the mounting bracket, a groove is opened on the top of the placement plate, a cylinder is installed on the top of the mounting bracket, and a cutting blade is provided at the output end of the cylinder.

[0008] Preferably, the inside of the cutting groove is the same size as the outside of the cutting edge, and the cutting groove and the cutting edge are on the same straight line.

[0009] Preferably, a mounting block is installed on the top of the workbench, and a mounting groove is opened on the side of the mounting block close to the workbench. A third drive motor is installed on the bottom of the workbench, and a second threaded rod is fixedly installed on the output end of the third drive motor. The external thread of the second threaded rod is connected to a slide, and the slide is slidably connected to the inside of the mounting groove, and the slide is rotatably connected to a guide roller on the side of the slide close to the workbench.

[0010] Preferably, there are two slides, and guide rollers are installed on one side of the two slides close to the workbench, and the two guide rollers are parallel to each other.

[0011] Preferably, two connecting plates are installed on the top of the workbench, and two rotating rollers are rotatably connected between the two connecting plates.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The cell winding equipment for lithium battery production cooperates with the workbench and the first mounting plate, and uses a second drive motor to drive the first threaded rod to rotate, so that the first threaded rod can drive the slider to slide inside the slide groove, and then the position of the second mounting plate can be adjusted, so that when the winding roller is taken out, the second drive motor can drive the first threaded rod to rotate in the reverse direction, so that the first threaded rod can drive the slider to move away from the workbench, which is convenient for taking out the winding roller after winding.

[0014] 2. The cell winding equipment for lithium battery production uses a workbench and a mounting block in combination, and uses a third drive motor to drive the second threaded rod to rotate, so that the second threaded rod can drive the slide and the guide roller to rise and fall, and then the position of the slide can be adjusted according to the rotation speed of the first drive motor, so that the appropriate winding tightness can be found to avoid the core pulling problem caused by too high a tightness. At the same time, too low a tightness will affect the quality of the battery cell. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the top view of the structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the explosion structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the tension adjustment structure of the utility model.

[0019] In the figure: 1. workbench; 2. first mounting plate; 3. first drive motor; 4. rotating rod; 5. first limit block; 6. winding roller; 7. second limit block; 8. rotating column; 9. second mounting plate; 10. slider; 11. slide groove; 12. second drive motor; 13. first threaded rod; 14. mounting frame; 15. placement plate; 16. cutting groove; 17. cylinder; 18. cutting blade; 19. mounting block; 20. mounting groove; 21. third drive motor; 22. second threaded rod; 23. slide plate; 24. guide roller; 25. connecting plate; 26. rotating roller. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-4 , a cell winding device for lithium battery production includes a workbench 1, a first mounting plate 2 is installed on the top of the workbench 1, a first driving motor 3 is installed on the side of the first mounting plate 2 away from the workbench 1, the output end of the first driving motor 3 is fixedly connected to a rotating rod 4, and the rotating rod 4 passes through the other side of the first mounting plate 2, and a first limit block 5 is installed on the other end of the rotating rod 4, the outside of the first limit block 5 is plugged into the inside of the winding roller 6, and a second limit block 7 is plugged into the inside of the other end of the winding roller 6, and a rotating column 8 is provided on the side of the second limit block 7 away from the winding roller 6, and the rotating column 8 is rotatably connected to the inside of the second mounting plate 9, and a slider 10 is installed at the bottom of the second mounting plate 9, and the slider 10 is slidably connected to the inside of the slide groove 11, and the slide groove 11 is opened at the top of the workbench 1, and a second driving motor 12 is installed on the front of the workbench 1, and the output end of the second driving motor 12 is fixedly connected to the first threaded rod 13, and the first threaded rod 13 is threadedly connected to the inside of the slider 10 A first mounting plate 2 is fixedly installed on the top of the workbench 1, and the first driving motor 3 is fixed to the side of the first mounting plate 2 away from the workbench 1 by bolts, so that the output end of the first driving motor 3 is fixedly connected to the rotating rod 4, and the rotating rod 4 is rotatably connected to the inside of the first mounting plate 2, and a first limit block 5 is welded at the other end of the rotating rod 4, so that the outside of the first limit block 5 can fix the winding roller 6. At the same time, the winding roller 6 is installed between the second limit block 7 and the first limit block 5, so that the rotating column 8 welded at the other end of the second limit block 7 can be rotatably connected to the inside of the second mounting plate 9, so that the front of the workbench 1 can fix the second driving motor 12 by bolts, and the output end of the second driving motor 12 can drive the first threaded rod 13 to rotate, and the rotating first threaded rod 13 can drive the slider 10 to slide inside the slide groove 11. At the same time, the second mounting plate 9 welded on the top of the slider 10 facilitates the installation of the rotating column 8.

[0022] See also Figure 2 A mounting bracket 14 is provided on the top of the workbench 1, and a placement plate 15 is fixedly installed inside the mounting bracket 14. A slot 16 is provided on the top of the placement plate 15. A cylinder 17 is installed on the top of the mounting bracket 14, and a cutting blade 18 is provided at the output end of the cylinder 17. The mounting bracket 14 is welded on the top of the workbench 1 to facilitate the installation of the placement plate 15 inside the mounting bracket 14. The slot 16 provided on the top of the placement plate 15 facilitates the cutting of the battery cells. The top of the mounting bracket 14 can fix the cylinder 17 with bolts so that the output end of the cylinder 17 can drive the cutting blade 18 to rise and fall, so that the cutting blade 18 can cut the battery cells when it descends.

[0023] See also Figure 4A mounting block 19 is installed on the top of the workbench 1, and a mounting groove 20 is opened on the side of the mounting block 1 close to the workbench 1. A third drive motor 21 is installed at the bottom of the workbench 1, and a second threaded rod 22 is fixedly installed on the output end of the third drive motor 21. The external thread of the second threaded rod 22 is connected to a slide 23, and the slide 23 is slidably connected to the inside of the mounting groove 20. The slide 23 is rotatably connected to the guide roller 24 on the side close to the workbench 1. Two mounting blocks 19 are welded on the top of the workbench 1, and mounting grooves 20 are opened on the opposite surfaces of the two mounting blocks 19. The third drive motor 21 is fixed to the bottom of the workbench 1 by bolts, so that the output end of the third drive motor 21 can drive the second threaded rod 22 to rotate inside the mounting groove 20, and the rotating second threaded rod 22 can drive the slide 23 to rise and fall, so as to adjust the height of its guide roller 24 according to the winding speed of the battery cell.

[0024] See also Figure 4 Two connecting plates 25 are installed on the top of the workbench 1, and two rotating rollers 26 are rotatably connected between the two connecting plates 25. Two rotating rollers 26 can be installed between the two connecting plates 25 installed on the top of the workbench 1, so as to facilitate the output of the battery cells.

[0025] When the workbench 1 is working, a first mounting plate 2 is fixedly installed on the top of the workbench 1, and the first driving motor 3 is fixed by bolts on the side of the first mounting plate 2 away from the workbench 1, so that the output end of the first driving motor 3 is fixedly connected to the rotating rod 4, and the rotating rod 4 is rotatably connected to the inside of the first mounting plate 2, and a first limiting block 5 is welded on the other end of the rotating rod 4, so that the outside of the first limiting block 5 can fix the winding roller 6, and the winding roller 6 is installed between the second limiting block 7 and the first limiting block 5, so that the rotating column 8 welded at the other end of the second limiting block 7 can be rotatably connected to the inside of the second mounting plate 9, so that the front side of the workbench 1 can fix the second driving motor 12 by bolts, and the output end of the second driving motor 12 can drive the first threaded rod 13 to rotate, and the rotating first threaded rod 13 can drive the slider 10 to slide inside the slide groove 11, and the second mounting plate 9 welded on the top of the slider 10 is convenient for installing the rotating column 8; when the battery cell needs to be cut after winding, the worker A mounting bracket 14 is welded to the top of the workbench 1 to facilitate the installation of a placement plate 15 inside the mounting bracket 14. A cutting groove 16 is provided on the top of the placement plate 15 to facilitate cutting of the battery cells. The top of the mounting bracket 14 can be fixed to the cylinder 17 by bolts so that the output end of the cylinder 17 can drive the cutting blade 18 to rise and fall, so that the cutting blade 18 can cut the battery cells when it descends; when adjusting the tension of the battery cells, two mounting blocks 19 are welded to the top of the workbench 1, and mounting grooves 20 are provided on the opposite surfaces of the two mounting blocks 19. The third drive motor 21 is fixed to the bottom of the workbench 1 by bolts so that the output end of the third drive motor 21 can drive the second threaded rod 22 to rotate inside the mounting groove 20. The rotating second threaded rod 22 can drive the slide plate 23 to rise and fall, so that the height of the guide roller 24 can be adjusted according to the winding speed of the battery cell, so that the appropriate winding tightness can be found to avoid the core pulling problem caused by excessive tightness. At the same time, too low tightness will affect the quality of the battery cell.

[0026] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cell winding device for lithium battery production, comprising a workbench (1), characterized in that: A first mounting plate (2) is installed on the top of the workbench (1), a first driving motor (3) is installed on the side of the first mounting plate (2) away from the workbench (1), an output end of the first driving motor (3) is fixedly connected to a rotating rod (4), and the rotating rod (4) passes through the other side of the first mounting plate (2), a first limiting block (5) is installed on the other end of the rotating rod (4), the outside of the first limiting block (5) is plugged into the inside of the winding roller (6), the other end of the winding roller (6) is plugged into the inside of the second limiting block (7), and the second limiting block (7) is far away from the workbench (1). A rotating column (8) is provided on one side away from the winding roller (6), and the rotating column (8) is rotatably connected to the inside of the second mounting plate (9). A slider (10) is installed at the bottom of the second mounting plate (9), and the slider (10) is slidably connected to the inside of the slide groove (11). The slide groove (11) is opened on the top of the workbench (1), and a second driving motor (12) is installed on the front of the workbench (1). The output end of the second driving motor (12) is fixedly connected to the first threaded rod (13), and the first threaded rod (13) is threadedly connected to the inside of the slider (10).

2. The lithium battery cell winding device according to claim 1, characterized in that: A mounting frame (14) is provided on the top of the workbench (1), a placement plate (15) is fixedly installed inside the mounting frame (14), a cutting groove (16) is provided on the top of the placement plate (15), a cylinder (17) is installed on the top of the mounting frame (14), and a cutting blade (18) is provided at the output end of the cylinder (17).

3. The lithium battery cell winding device according to claim 2, characterized in that: The inside of the cutting groove (16) is the same size as the outside of the cutting edge (18), and the cutting groove (16) and the cutting edge (18) are on the same straight line.

4. The cell winding device for lithium battery production according to claim 1, characterized in that: A mounting block (19) is installed on the top of the workbench (1), and a mounting groove (20) is provided on the side of the mounting block (19) close to the workbench (1). A third drive motor (21) is installed on the bottom of the workbench (1), and a second threaded rod (22) is fixedly installed on the output end of the third drive motor (21). The external thread of the second threaded rod (22) is connected to a slide plate (23), and the slide plate (23) is slidably connected to the inside of the mounting groove (20). The slide plate (23) is rotatably connected to a guide roller (24) on the side close to the workbench (1).

5. The cell winding equipment for lithium battery production according to claim 4, characterized in that: There are two slide plates (23), and guide rollers (24) are installed on one side of the two slide plates (23) close to the workbench (1), and the two guide rollers (24) are parallel to each other.

6. The lithium battery cell winding device according to claim 1, characterized in that: Two connecting plates (25) are installed on the top of the workbench (1), and two rotating rollers (26) are rotatably connected between the two connecting plates (25).

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