Lithium battery cell forming mechanism

Abstract

The utility model provides a lithium battery cell forming mechanism, which relates to the technical field of cell forming, and comprises a mounting seat and a lifting plate, a Y-axis linear guide rail is arranged in the middle of the upper part of the mounting seat, a carrying table is movably arranged in the Y-axis linear guide rail, a gluing structure is arranged on a side base plate, and the lifting plate is arranged on the side base plate. Glue boxes are arranged on the left side and the right side of the upper end face of the carrying table correspondingly, a connecting pipe is connected between a glue inlet pipe opening formed in the upper end of the gluing structure and the glue box on the same side, an inlet is formed in the upper portion of each glue box, upper side plates are fixed to the left portion and the right portion of the upper end face of the carrying table correspondingly, and a lifting plate is movably arranged on a Z-axis linear guide rail. And a plurality of groups of furling structures are arranged on the lower end surface of the lifting plate. According to the utility model, a positive plate, a diaphragm and a negative plate can be wound, glued, adhered and wound tightly, and are pressed and formed neatly, and a prepared and formed lithium battery cell can be conveyed out quickly, so that the overall working efficiency is improved, and the lithium battery core winding device is more efficient, stable and trouble-saving.

Description

Technical Field

[0001] This utility model relates to the field of battery cell forming technology, specifically to a lithium battery cell forming mechanism. Background Technology

[0002] The internal structure of a lithium battery consists of positive and negative electrode plates stacked sequentially, separated by a separator. Stacking machines are primarily used in the lithium battery cell stacking process, and there are two stacking methods: rotary and reciprocating. Rotary stacking is used for small batteries, while reciprocating stacking is used for large batteries.

[0003] The specification of a lithium battery cell one-time forming stacking machine (publication number CN207896229U) mentions that "the stacking mechanism is installed in the middle of the frame and is used to perform one-time stacking assembly of positive and negative electrode sheets and separators; the electrode sheet conveying mechanism consists of two sets with identical structures, installed on the frame, located on both sides of the stacking mechanism and symmetrically arranged about the stacking mechanism, and is used to convey positive and negative electrode sheets; the separator unwinding mechanism is installed at the top of the frame and is used to place the separator between the positive and negative electrode sheets." However, the stacking machine in the prior art cannot simultaneously wind up the positive electrode sheet, separator, and negative electrode sheet while pressing them into neat shapes, and the products are not fast and stable, affecting its overall working efficiency. Utility Model Content

[0004] To overcome the shortcomings of existing technologies, a lithium battery cell forming mechanism is provided to solve the problem that existing stacking machines cannot simultaneously wind up positive electrode sheets, separators, and negative electrode sheets while pressing them into neat shapes, resulting in slow and unstable product formation and affecting overall work efficiency.

[0005] To achieve the above objectives, a lithium battery cell forming mechanism is provided, including a mounting base and a lifting plate. A Y-axis linear guide rail is provided in the middle of the upper part of the mounting base, and a transport platform is movably arranged within the Y-axis linear guide rail. Multiple sets of lower pressure plates are provided on the upper end face of the transport platform, and a side pad is provided on the right side of the lower pressure plate. An adhesive application structure is installed on the side pad, and glue tanks are provided on both the left and right sides of the upper end face of the transport platform. A connecting pipe is provided between the glue inlet at the upper end of the adhesive application structure and the glue tank on the same side, and an inlet is provided at the upper part of the glue tank. Upper side plates are fixed on both the left and right sides of the upper end face of the transport platform, and a Z-axis linear guide rail is provided on the upper side plate. A lifting plate is movably arranged on the Z-axis linear guide rail, and multiple sets of winding structures are provided on the lower end face of the lifting plate.

[0006] Furthermore, the mounting base has support legs on both the left and right sides of its lower end face, and a control panel is fixed to the lower end face of the mounting base. The lower part of the transport platform is provided with a lower slider, which is slidably connected to the Y-axis linear guide rail.

[0007] Furthermore, the rear of the adhesive coating structure is provided with a first telescopic cylinder, a support frame is sleeved in the middle of the first telescopic cylinder, the lower end of the support frame is fixed to the side pad, and a brush head is provided at the front end of the adhesive coating structure. An adhesive cavity is opened inside the adhesive coating structure, and multiple sets of adhesive outlet holes are provided between the adhesive cavity and the brush head.

[0008] Furthermore, the upper end face of the lifting plate is provided with side fixing plates on both the left and right sides, and the outer end of the side fixing plate is fixed with a side slider, and the side slider is slidably connected to the Z-axis linear guide rail on the same side.

[0009] Furthermore, the upper part of the winding structure is provided with a hanger, the lower part of the hanger is provided with a first fixing sleeve, the first fixing sleeve is fitted outside the first motor, and the lower end of the first motor is equipped with a first winding shaft, and the upper part of the first winding shaft is fixed with an upper pressure plate.

[0010] Furthermore, the lower end of the first roll take-up shaft is inserted into the groove opened in the center of the upper surface of the lower pressure plate, and both the upper pressure plate and the first roll take-up shaft are rotatable structures, and the upper pressure plate and the lower pressure plate directly below it are arranged vertically and vertically respectively.

[0011] The beneficial effects of this utility model are as follows:

[0012] 1. This utility model facilitates the transport of manufactured lithium battery cells by means of a sliding connection between the lower slider and the Y-axis linear guide rail, which helps to speed up the unloading process and makes it more convenient and time-saving.

[0013] 2. This utility model delivers adhesive to the glue cavity of the glue coating structure through a glue tank and connecting pipe, which facilitates the simultaneous rolling of positive electrode sheets, separators, and negative electrode sheets, and bonding them together, making the cell forming and assembly faster and more stable.

[0014] 3. This utility model facilitates the movement of the lifting plate by sliding the side slider and the Z-axis linear guide rail, thereby synchronously driving the winding structure and the first motor to rise and fall together. When descending, when the lower end of the first winding shaft is inserted into the groove, the first motor rotates the first winding shaft to wind up the positive electrode sheet, separator, and negative electrode sheet between the upper and lower pressure plates. Multiple sets of lithium battery cells can be formed at the same time, which is more efficient, stable and convenient. Attached Figure Description

[0015] Figure 1 This is a front view schematic diagram of an embodiment of the present utility model;

[0016] Figure 2 This is a schematic diagram of the transport platform according to an embodiment of the present utility model;

[0017] Figure 3 This is a schematic diagram of the adhesive coating structure according to an embodiment of the present utility model;

[0018] Figure 4 This is a schematic diagram of the lifting plate according to an embodiment of the present utility model;

[0019] Figure 5 This is a schematic diagram of the winding structure according to an embodiment of the present invention.

[0020] In the diagram: 1. Carrying platform; 10. Lower slider; 11. Z-axis linear guide; 12. Lower pressure plate; 13. Insert groove; 14. Side pad; 15. Upper side plate; 2. Glue application structure; 20. Glue cavity; 21. Glue outlet; 22. Brush head; 23. Glue inlet; 24. Connecting pipe; 25. Support frame; 26. First telescopic cylinder; 3. Glue tank; 30. Inlet; 4. Mounting base; 40. Support leg; 41. Y-axis linear guide; 42. Control panel; 5. Lifting plate; 50. Side fixing plate; 51. Side slider; 52. Rewinding structure; 53. Hanger; 54. First fixing sleeve; 55. First motor; 56. Upper pressure plate; 57. First rewinding shaft. Detailed Implementation

[0021] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model. Specific details, such as particular system structures and technologies, are provided to facilitate a more thorough understanding of the embodiments of the present utility model. The described embodiments are some, but not all, of the embodiments disclosed herein. However, those skilled in the art should understand that the present utility model can also be implemented in other embodiments without these specific details. All other embodiments obtained by those skilled in the art based on the embodiments of this disclosure without inventive effort are within the scope of protection of this disclosure.

[0022] The specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0023] Figure 1 This is a front view schematic diagram of an embodiment of the present utility model. Figure 2 This is a schematic diagram of the transport platform according to an embodiment of the present utility model. Figure 3 This is a schematic diagram of the adhesive coating structure according to an embodiment of the present utility model. Figure 4 A schematic diagram of the lifting plate according to an embodiment of this utility model and Figure 5 This is a schematic diagram of the winding structure according to an embodiment of the present invention.

[0024] Reference Figures 1 to 5As shown, this utility model provides a lithium battery cell forming mechanism, including a mounting base 4 and a lifting plate 5. A Y-axis linear guide rail 41 is provided in the middle of the upper part of the mounting base 4, and a transport platform 1 is movably arranged inside the Y-axis linear guide rail 41. Multiple sets of lower pressure plates 12 are provided on the upper end surface of the transport platform 1, and a side pad 14 is provided on the right side of the lower pressure plate 12. An adhesive application structure 2 is installed on the side pad 14, and glue tanks 3 are provided on both the left and right sides of the upper end surface of the transport platform 1. A connecting pipe 24 is connected between the glue inlet 23 provided at the upper end of the adhesive application structure 2 and the glue tank 3 on the same side. An inlet 30 is provided at the upper part of the glue tank 3. Upper side plates 15 are fixed on both the left and right sides of the upper end surface of the transport platform 1, and a Z-axis linear guide rail 11 is provided on the upper side plate 15. A lifting plate 5 is movably arranged on the Z-axis linear guide rail 11, and multiple sets of winding structures 52 are provided on the lower end surface of the lifting plate 5.

[0025] In this embodiment, support legs 40 are provided on both the left and right sides of the lower end face of the mounting base 4, and a control panel 42 is fixed on the lower end face of the mounting base 4. A sliding block 10 is provided on the lower part of the transport platform 1, and the sliding block 10 is slidably connected to the Y-axis linear guide rail 41.

[0026] As a preferred embodiment, the present invention facilitates the transport platform 1 to transport the manufactured lithium battery cells out through the sliding connection between the lower slider 10 and the Y-axis linear guide rail 41, which helps to speed up the unloading process and is more convenient and time-saving.

[0027] In this embodiment, a first telescopic cylinder 26 is provided at the rear of the adhesive coating structure 2, a support frame 25 is sleeved in the middle of the first telescopic cylinder 26, the lower end of the support frame 25 is fixed on the side pad plate 14, and a brush head 22 is provided at the front end of the adhesive coating structure 2. An adhesive cavity 20 is opened inside the adhesive coating structure 2, and multiple sets of adhesive outlet holes 21 are provided between the adhesive cavity 20 and the brush head 22.

[0028] In a preferred embodiment, the present invention delivers adhesive to the glue cavity 20 of the glue coating structure 2 through the glue tank 3 and the connecting pipe 24, which facilitates the simultaneous winding of the positive electrode sheet, the separator, and the negative electrode sheet, and bonding them together, making the cell forming and assembly faster and more stable.

[0029] In this embodiment, side fixing plates 50 are provided on both the left and right sides of the upper end face of the lifting plate 5, and side sliders 51 are fixed to the outer ends of the side fixing plates 50. The side sliders 51 are slidably connected to the Z-axis linear guide rail 11 on the same side. A hanger 53 is provided on the upper part of the winding structure 52, and a first fixing sleeve 54 is provided on the lower part of the hanger 53. The first fixing sleeve 54 is sleeved on the outside of the first motor 55, and a first winding shaft 57 is installed on the lower end of the first motor 55. An upper pressure plate 56 is fixed on the upper part of the first winding shaft 57. The lower end of the first winding shaft 57 is inserted into the groove 13 opened in the center of the upper end face of the lower pressure plate 12. The upper pressure plate 56 and the first winding shaft 57 are both rotatable structures, and the upper pressure plate 56 is vertically and vertically corresponding to the lower pressure plate 12 directly below it.

[0030] As a preferred embodiment, this utility model facilitates the movable setting of the lifting plate 5 by sliding the side slider 51 and the Z-axis linear guide rail 11, thereby synchronously driving the winding structure 52 and the first motor 55 to rise and fall together. When descending, when the lower end of the first winding shaft 57 is inserted into the groove 13, the first motor 55 rotates the first winding shaft 57 to wind up the positive electrode sheet, separator, and negative electrode sheet between the upper pressure plate 56 and the lower pressure plate 12. Multiple sets of lithium battery cells can be formed at the same time, which is more efficient, stable, and convenient.

[0031] This invention effectively solves the problem that existing stacking machines cannot simultaneously wind up positive electrode sheets, separators, and negative electrode sheets while pressing them into neat shapes, resulting in slow and unstable product production and affecting overall work efficiency. This invention can simultaneously wind up positive electrode sheets, separators, and negative electrode sheets, apply adhesive and roll them tightly, and press them into neat shapes. Moreover, it can quickly transport out the prepared lithium battery cells, which helps to improve overall work efficiency and is more efficient, stable, and convenient.

[0032] The above embodiments are used to explain and illustrate the present utility model, and not to limit the utility model. Any modifications and changes made to the present utility model within the spirit and scope of the claims should be included within the protection scope of the present utility model.

Claims

1. A lithium battery cell forming mechanism, characterized by: The system includes a mounting base (4) and a lifting plate (5). A Y-axis linear guide rail (41) is provided in the middle of the upper part of the mounting base (4), and a transport platform (1) is movably mounted within the Y-axis linear guide rail (41). Multiple sets of lower pressure plates (12) are provided on the upper surface of the transport platform (1), and a side pad (14) is provided on the right side of the lower pressure plate (12). An adhesive application structure (2) is installed on the side pad (14), and glue tanks (3) are provided on both the left and right sides of the upper surface of the transport platform (1). A connecting pipe (24) is connected between the glue inlet (23) at the upper end of the glue structure (2) and the glue tank (3) on the same side. The glue tank (3) is provided with an inlet (30) at the upper part. The upper side plate (15) is fixed on both the left and right sides of the upper end face of the transport platform (1). The upper side plate (15) is provided with a Z-axis linear guide rail (11). The Z-axis linear guide rail (11) is movably provided with a lifting plate (5). The lower end face of the lifting plate (5) is provided with multiple sets of winding structures (52).

2. The lithium battery cell forming mechanism of claim 1, wherein, The mounting base (4) has support legs (40) on both the left and right sides of its lower end face, and a control panel (42) is fixed on the lower end face of the mounting base (4). The lower part of the transport platform (1) is provided with a sliding block (10), which is slidably connected to the Y-axis linear guide rail (41).

3. The mechanism for forming a lithium battery cell according to claim 1, wherein The adhesive coating structure (2) is provided with a first telescopic cylinder (26) at the rear, and a support frame (25) is sleeved in the middle of the first telescopic cylinder (26). The lower end of the support frame (25) is fixed on the side pad (14), and a brush head (22) is provided at the front end of the adhesive coating structure (2). An adhesive cavity (20) is opened in the adhesive coating structure (2), and multiple sets of adhesive outlet holes (21) are provided between the adhesive cavity (20) and the brush head (22).

4. The mechanism for forming a lithium battery cell according to claim 1, wherein The upper end face of the lifting plate (5) is provided with side fixing plates (50) on both the left and right sides, and the outer end of the side fixing plate (50) is fixed with a side slider (51), and the side slider (51) is slidably connected to the Z-axis linear guide rail (11) on the same side.

5. The mechanism for forming a lithium battery cell according to claim 1, wherein The upper part of the winding structure (52) is provided with a hanger (53), the lower part of the hanger (53) is provided with a first fixing sleeve (54), the first fixing sleeve (54) is sleeved outside the first motor (55), and the lower end of the first motor (55) is equipped with a first winding shaft (57), and the upper part of the first winding shaft (57) is fixed with an upper pressure plate (56).

6. The mechanism for forming a lithium battery cell according to claim 5, wherein The lower end of the first roll take-up shaft (57) is inserted into the groove (13) opened in the center of the upper end face of the lower pressure plate (12), and both the upper pressure plate (56) and the first roll take-up shaft (57) are rotatable structures, and the upper pressure plate (56) and the lower pressure plate (12) directly below are arranged vertically and vertically respectively.

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