High-precision slitting device for battery cell pole piece

Abstract

The utility model discloses a battery cell pole piece high-precision slitting device which comprises a support, a supporting plate is fixedly connected to the support, first sliding grooves are formed in the support and the supporting plate, and sliding rods are connected to the inner surfaces of the first sliding grooves in a sliding mode. The upper surface of the support and the lower surface of the supporting plate are both slidably connected with shear fork type lifting rods, the interiors of the shear fork type lifting rods are rotatably connected with fixing rods, the interiors of the support and the supporting plate are both provided with second sliding grooves, the inner surfaces of the second sliding grooves are slidably connected with sliding blocks, and the interiors of the sliding blocks are in threaded connection with threaded rods; the threaded rod is rotated to drive the shear fork type lifting rod to slide, the shear fork type lifting rod slides to drive the sliding rod to slide, the sliding rod drives the limiting frame to slide, and the limiting frame slides to drive the cutters and the fixing block to slide, so that the distance between the cutters is adjusted, and the pole piece cutting device is suitable for cutting pole pieces of different sizes. And the flexibility of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pole piece cutting devices, in particular to a high-precision pole piece cutting device for a battery cell. Background Art

[0002] The battery cell electrode is a key component of the battery. It consists of a positive electrode and a negative electrode, which are separated and connected by an electrolyte. During the production process of the battery cell electrode, it needs to be cut. Through precise cutting, it can be ensured that the size and shape of the electrode meet the design requirements, thereby improving the energy density of the battery.

[0003] The pole piece slitting device usually uses multiple cutters to cut the pole pieces, but the spacing of the blades cannot be adjusted, which means that the slitting equipment needs to be replaced when pole pieces of different sizes need to be cut, which increases the cost of use. Utility Model Content

[0004] The utility model aims to provide a high-precision cell pole piece cutting device, which is used to solve the problem that the existing pole piece cutting device is inconvenient to adjust the cutting knife distance.

[0005] To achieve the above-mentioned purpose, a high-precision cell electrode cutting device is provided, comprising: a bracket, a support plate fixedly connected to the bracket, a first slide groove is arranged inside the bracket and the support plate, a pair of inner surfaces of the first slide grooves are slidably connected to a group of sliding rods, an upper surface of the bracket and a lower surface of the support plate are slidably connected to scissor-type lifting rods, a pair of the scissor-type lifting rods are rotatably connected to fixed rods, a second slide groove is arranged inside the bracket and the support plate, a pair of inner surfaces of the second slide grooves are slidably connected to sliders, a threaded rod is threadedly connected to the inner surface of the slider, a knob is fixedly connected to the rear end of the threaded rod, and two groups of the sliding rods are fixedly connected to limit frames;

[0006] The bracket is rotatably connected to the first rotating shaft inside, the first rotating shaft is fixedly connected to the first roller on the outer surface, the first roller is fixedly connected to the first limit block on the outer surface, the first roller is slidably connected to the connecting block on the outer surface, the cutting knife is fixedly connected to the outer surface of the connecting block, the left end of the first rotating shaft is fixedly connected to the motor, the right end of the first rotating shaft is fixedly connected to the driving gear, the bracket is rotatably connected to the second rotating shaft inside, the second roller is fixedly connected to the outer surface of the second rotating shaft, the second limit block is fixedly connected to the outer surface of the second roller, the second roller is slidably connected to the fixed block on the outer surface, a cutting groove is provided inside the fixed block, and the right end of the second rotating shaft is fixedly connected to the driven gear.

[0007] According to the high-precision cell electrode cutting device, the inner surface of one group of the limiting frames is slidably connected to the connecting block, and the inner surface of another group of the limiting frames is slidably connected to the fixing block.

[0008] According to the high-precision cell electrode cutting device, the inner surface of the connecting block is slidably connected to the first limiting block, and the inner surface of the fixing block is slidably connected to the second limiting block.

[0009] According to the high-precision cell pole piece slitting device, the driving gear and the driven gear are meshed with each other, and the right surface of the motor is fixedly connected to the bracket.

[0010] According to the high-precision cell electrode cutting device, the interior of the scissor-type lifting rod is slidably connected to the sliding rod, and the upper surface of the sliding block is fixedly connected to the fixing rod.

[0011] According to the high-precision cell electrode cutting device, the number of the cutters is six and they are distributed in a linear array, and the number of the fixing blocks is six and they are distributed in a linear array.

[0012] According to the high-precision cell electrode cutting device, the inner surfaces of the support plate and the bracket are both rotatably connected to the threaded rod, and the inner surface of the cutting groove is adapted to the cutter.

[0013] According to the high-precision cell electrode cutting device, the motor is electrically connected to an external power source.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The threaded rod is rotated to drive the scissor-type lifting rod to slide, the sliding of the scissor-type lifting rod drives the sliding rod to slide, the sliding rod drives the limit frame to slide, the sliding of the limit frame drives the cutter and the fixed block to slide, so as to adjust the distance between the cutters to facilitate the cutting of pole pieces of different sizes, thereby improving the flexibility of the equipment.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0018] Figure 1 This is the overall structure diagram of the high-precision cell electrode cutting device of the utility model;

[0019] Figure 2 It is a top view of the high-precision cutting device for battery cell pole pieces of the utility model;

[0020] Figure 3This is a bottom view of the high-precision cutting device for battery cell pole pieces of the utility model;

[0021] Figure 4 This is a cross-sectional view of the overall structure of the high-precision cell electrode cutting device of the utility model;

[0022] Figure 5 It is a cross-sectional view of the bracket of the high-precision cutting device for battery cell pole pieces of the utility model.

[0023] Legend:

[0024] 1. Bracket; 2. Support plate; 3. First slide groove; 4. Sliding rod; 5. Scissor-type lifting rod; 6. Fixed rod; 7. Second slide groove; 8. Sliding block; 9. Threaded rod; 10. Knob; 11. Limiting frame; 12. First rotating shaft; 13. First roller; 14. First limiting block; 15. Connecting block; 16. Cutter; 17. Motor; 18. Driving gear; 19. Second rotating shaft; 20. Second roller; 21. Second limiting block; 22. Fixed block; 23. Cutting groove; 24. Driven gear. DETAILED DESCRIPTION

[0025] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0026] Reference Figure 1-5 The high-precision cell electrode cutting device of the utility model embodiment comprises a bracket 1, a support plate 2 is fixedly connected to the bracket 1, a first slide groove 3 is arranged inside the bracket 1 and the support plate 2, a pair of inner surfaces of the first slide groove 3 are slidably connected with a group of sliding rods 4, the upper surface of the bracket 1 and the lower surface of the support plate 2 are slidably connected with a scissor-type lifting rod 5, the interior of the scissor-type lifting rod 5 is slidably connected with the sliding rod 4, and the interior of the scissor-type lifting rod 5 is rotatably connected with a fixed rod 6, a second slide groove 7 is arranged inside the bracket 1 and the support plate 2, a slider 8 is slidably connected with the inner surface of the second slide groove 7, the upper surface of the slider 8 is fixedly connected with the fixed rod 6, the inner surface of the slider 8 is threadedly connected with a threaded rod 9, the inner surface of the support plate 2 and the bracket 1 are rotatably connected with the threaded rod 9, the rear end of the threaded rod 9 is fixedly connected with a knob 10, and the two groups of sliding rods 4 are fixedly connected with a limited position frame 11.

[0027] The bracket 1 is internally rotatably connected to a first rotating shaft 12, an outer surface of the first rotating shaft 12 is fixedly connected to a first roller 13, an outer surface of the first roller 13 is fixedly connected to a first limiting block 14, the position of the connecting block 15 can be limited by the restriction of the first limiting block 14, and the cutter is ensured to rotate with the first rotating shaft 12, the outer surface of the first roller 13 is slidably connected to a connecting block 15, the outer surface of the connecting block 15 is fixedly connected to a cutter 16, the number of the cutters 16 is six and they are distributed in a linear array, the left end of the first rotating shaft 12 is fixedly connected to a motor 17, the right surface of the motor 17 is fixedly connected to the bracket 1, the motor 17 is electrically connected to an external power supply, the right end of the first rotating shaft 12 is fixedly connected to a driving gear 18, the internal rotation connection of the bracket 1 A second rotating shaft 19 is connected, and a second roller 20 is fixedly connected to the outer surface of the second rotating shaft 19. A second limit block 21 is fixedly connected to the outer surface of the second roller 20. The second limit block 21 is used to ensure that the fixed block 22 rotates with the second rotating shaft 19. The outer surface of the second roller 20 is slidably connected to the fixed block 22, wherein the inner surface of one group of limit frames 11 is slidably connected to the connecting block 15, and the inner surface of another group of limit frames 11 is slidably connected to the fixed block 22. The number of the fixed blocks 22 is six and they are distributed in a linear array. A cutting groove 23 is provided inside the fixed block 22, and the inner surface of the cutting groove 23 is adapted to the cutter 16. A driven gear 24 is fixedly connected to the right end of the second rotating shaft 19, and the driving gear 18 and the driven gear 24 are meshed with each other.

[0028] Working principle: by rotating the two threaded rods 9, the threaded rod 9 drives the slider 8 to slide, the sliding of the slider 8 drives the fixed rod 6 to slide, the sliding of the fixed rod 6 drives the scissor-type lifting rod 5 to rotate, the sliding of the scissor-type lifting rod 5 drives the sliding rod 4 to slide, the sliding of the sliding rod 4 drives the two limit frames 11 to slide, the sliding of the limit frame 11 drives the cutter 16 and the fixed block 22 to slide, thereby adjusting the distance between the cutter 16, and the battery cell pole piece is passed between the cutter 16 and the fixed block 22, starting the motor 17, the motor 17 drives the first rotating shaft 12 to rotate, the first rotating shaft 12 drives the first limiting block 14 to rotate, the rotation of the first limiting block 14 drives the connecting block 15 to rotate, the rotation of the connecting block 15 drives the cutter 16 to rotate, the rotation of the first rotating shaft 12 drives the driving gear 18 to rotate, the driving gear 18 rotates the driven gear 24, the driven gear 24 rotates and drives the second rotating shaft 19 to rotate, the rotation of the second rotating shaft 19 drives the fixed block 22 to rotate, thereby cutting the battery cell pole piece.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. High-precision cell electrode cutting device, characterized in that: include: A bracket (1), wherein a support plate (2) is fixedly connected to the bracket (1), a first slide groove (3) is provided inside the bracket (1) and the support plate (2), a pair of inner surfaces of the first slide grooves (3) are slidably connected to a group of sliding rods (4), an upper surface of the bracket (1) and a lower surface of the support plate (2) are slidably connected to scissor-type lifting rods (5), a pair of the inner surfaces of the scissor-type lifting rods (5) are rotatably connected to fixed rods (6), a second slide groove (7) is provided inside the bracket (1) and the support plate (2), a pair of inner surfaces of the second slide grooves (7) are slidably connected to sliders (8), a threaded rod (9) is threadedly connected to the inner surface of the slider (8), a knob (10) is fixedly connected to the rear end of the threaded rod (9), and two groups of the sliding rods (4) are fixedly connected to limit frames (11); The support (1) is rotatably connected to a first rotating shaft (12), the outer surface of the first rotating shaft (12) is fixedly connected to a first roller (13), the outer surface of the first roller (13) is fixedly connected to a first limiting block (14), the outer surface of the first roller (13) is slidably connected to a connecting block (15), the outer surface of the connecting block (15) is fixedly connected to a cutter (16), the left end of the first rotating shaft (12) is fixedly connected to a motor (17), the right end of the first rotating shaft (12) is fixedly connected to a driving gear (18), the support (1) is rotatably connected to a second rotating shaft (19), the outer surface of the second rotating shaft (19) is fixedly connected to a second roller (20), the outer surface of the second roller (20) is fixedly connected to a second limiting block (21), the outer surface of the second roller (20) is slidably connected to a fixing block (22), the fixing block (22) is provided with a cutting groove (23), and the right end of the second rotating shaft (19) is fixedly connected to a driven gear (24).

2. The high-precision cell electrode cutting device according to claim 1, characterized in that: The inner surface of one group of the limiting frames (11) is slidably connected to the connecting block (15), and the inner surface of the other group of the limiting frames (11) is slidably connected to the fixing block (22).

3. The high-precision cell electrode cutting device according to claim 1, characterized in that: The inner surface of the connecting block (15) is slidably connected to the first limiting block (14), and the inner surface of the fixing block (22) is slidably connected to the second limiting block (21).

4. The high-precision cell electrode cutting device according to claim 1, characterized in that: The driving gear (18) and the driven gear (24) are meshed with each other, and the right surface of the motor (17) is fixedly connected to the bracket (1).

5. The high-precision cell electrode cutting device according to claim 1, characterized in that: The interior of the scissor-type lifting rod (5) is slidably connected to the sliding rod (4), and the upper surface of the sliding block (8) is fixedly connected to the fixing rod (6).

6. The high-precision cell electrode cutting device according to claim 1, characterized in that: The number of the cutters (16) is six and they are distributed in a linear array, and the number of the fixing blocks (22) is six and they are distributed in a linear array.

7. The high-precision cell electrode cutting device according to claim 1, characterized in that: The inner surfaces of the support plate (2) and the bracket (1) are both rotatably connected to the threaded rod (9), and the inner surface of the cutting groove (23) is adapted to the cutting knife (16).

8. The high-precision cell electrode cutting device according to claim 1, characterized in that: The motor (17) is electrically connected to an external power source.

Images