CN219525696U - Pole piece winding equipment for manufacturing lithium battery - Google Patents

Abstract

The utility model provides pole piece winding equipment for manufacturing a lithium battery, which comprises a fixing frame and an auxiliary device, wherein the surface of the fixing frame is fixedly connected with a protective box and a rotating motor through a fixing bolt, the output end of the rotating motor is fixedly connected with a rotating shaft, the auxiliary device comprises a protective rod, the inner wall of the protective rod is fixedly connected with a protective spring, one end of the protective spring, which is far away from the protective rod, is fixedly connected with a connecting rod, and the surface of the connecting rod is fixedly connected with a positioning rod. According to the utility model, by arranging the auxiliary device, when the rotating shaft needs auxiliary protection, the pull block is pulled to the direction of the protection rod to drive the connecting rod and the positioning rod to slide in the same direction, the protection spring stretches to generate elasticity, so that the rotating shaft is positioned in a gap between the fixed rod and the abutting block, the pull block is loosened, the protection spring contracts to drive the positioning rod and the connecting rod to reset, the abutting block abuts against the fixed rod, protection is completed, and the phenomenon that the rotating shaft is free from position separation in the operation process is ensured.

Description

A pole piece winding equipment for lithium battery manufacturing

technical field

The utility model relates to the technical field of lithium battery manufacturing, in particular to a pole piece winding device used for lithium battery manufacturing.

Background technique

Lithium batteries generally use manganese dioxide as the positive electrode material, lithium metal as the negative electrode material, and batteries using non-aqueous electrolyte solutions. Compared with other batteries, lithium batteries have high energy density, low weight and long service life. And other characteristics, are widely used in daily life. Usually, in the process of manufacturing the pole piece of lithium battery, in order to facilitate the transportation of the pole piece, the pole piece will be wound up by the reel.

The existing pole piece winding is usually driven by the rotating shaft to drive the winding roller to wind up the battery pole piece, and the rotating shaft has been rotating rapidly during the operation process, which is easy to cause it to fall out of position, affect the winding, and reduce the work efficiency. Therefore, we propose a pole piece winding device for lithium battery manufacturing.

Utility model content

The technical problem to be solved by the utility model is to provide a pole piece winding device for lithium battery manufacturing.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a pole piece winding equipment for lithium battery manufacturing, including a fixing frame and an auxiliary device, the surface of the fixing frame is fixedly connected with a protective box and a A rotating motor, the auxiliary device is arranged inside the protective box, the output end of the rotating motor is fixedly connected with a rotating shaft, and the rotating shaft is arranged through the protective box, the auxiliary device includes a protective rod, and the protective rod and the protective The inner wall of the box is fixedly connected, the inner wall of the protective rod is fixedly connected with a protective spring, the end of the protective spring away from the protective rod is fixedly connected with a connecting rod, the surface of the connecting rod is fixedly connected with a positioning rod, and the positioning rod is inserted into the Set in and slidingly connected to the guard spring.

Preferably, the positioning rod is slidably connected to the inner wall of the protective rod, a pull block is fixedly connected to the surface of the connecting rod, the pull block is slidably connected to the inner wall of the protective rod, and one end of the connecting rod is fixedly connected to a resisting block , the abutting block abuts against the surface of the rotating shaft, a fixed rod is fixedly connected to the inner wall of the protective box, and the surface of the fixed rod abuts against the surface of the abutting block.

Preferably, the front side surface of the fixed frame is fixedly connected with a controller, the cylindrical surface of the rotating shaft is provided with a take-up roller, and the left side surface of the fixed frame is provided with a pressure roller device.

Preferably, the pressure roller device includes two symmetrically arranged hydraulic telescopic cylinders, the output ends of the two hydraulic telescopic cylinders are provided with telescopic rods, and the two hydraulic telescopic cylinders are fixedly connected to the two telescopic rods There are connecting shafts.

Preferably, fixed rollers are provided on the peripheral surface of the connecting shaft at the lower end, and moving rollers are provided on the peripheral surface of the connecting shaft at the upper end.

Preferably, the controller is electrically connected to the rotating motor and the hydraulic telescopic cylinder.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. In the utility model, by setting the auxiliary device, when the rotating shaft needs auxiliary protection, the pull block is pulled in the direction of the protective rod to drive the connecting rod and the positioning rod to slide in the same direction, and the protective spring is stretched to generate elastic force, so that the rotating shaft is positioned on the fixed rod. In the gap between the block and the block, the pull block is released, and the protection spring shrinks to drive the positioning rod and the connecting rod to reset, and the block contacts the fixed rod to complete the protection and ensure that the rotating shaft will not be out of position during operation. The device greatly improves the stability of the equipment.

2. In the utility model, by setting the pressure roller device, before the pole piece is rolled up, the up and down of the telescopic rod is controlled by the controller according to the thickness of the pole piece, so that the moving roller and the fixed roller are in contact with the upper and lower sides of the pole piece. Offset, to ensure that the pole piece is in a flattened state before winding to prevent wrinkles. The pressing roller device has a simple structure, strong practicability and easy operation.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of a pole piece winding device for lithium battery manufacturing proposed by the present invention;

Fig. 2 is a schematic diagram of the front plane structure of a pole piece winding device used in the manufacture of lithium batteries proposed by the utility model;

Fig. 3 is a plan view schematic diagram of a pole piece winding device used in the manufacture of lithium batteries proposed by the utility model;

Fig. 4 is a three-dimensional structural schematic diagram of an auxiliary device for a pole piece winding equipment used in the manufacture of lithium batteries proposed by the utility model.

Legend: 1. Fixed frame; 2. Rotating motor; 3. Protective box; 4. Controller; 5. Rotating shaft; 6. Rewinding roller; 7. Auxiliary device; 71, fixed rod; 72, protective rod; 73, positioning rod; 74, protective spring; 75, pull block; 76, connecting rod; 77, block; 81, hydraulic telescopic cylinder; 82, telescopic rod; ; 84, fixed roller; 85, moving roller.

Detailed ways

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model will be further described. It should be noted here that the descriptions of these implementations are used to help understand the utility model, but are not intended to limit the utility model. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute conflicts with each other.

Embodiment 1, as shown in Figures 1-4, the utility model provides a pole piece winding equipment for lithium battery manufacturing, including a fixing frame 1 and an auxiliary device 7, and the surface of the fixing frame 1 is fixed by fixing bolts 9 The protective box 3 and the rotating motor 2 are connected, the auxiliary device 7 is arranged inside the protective box 3 , the output end of the rotating motor 2 is fixedly connected with the rotating shaft 5 , and the rotating shaft 5 penetrates the protective box 3 and is set.

Let's talk about the specific setting and effect of its auxiliary device 7 and pressure roller device 8 in detail below.

As shown in Fig. 1 and Fig. 3, Fig. 4, auxiliary device 7 comprises protective bar 72, and protective bar 72 is fixedly connected with the inner wall of protective case 3, and the inner wall of protective bar 72 is fixedly connected with protective spring 74, and protective spring 74 is away from protective bar One end of 72 is fixedly connected with connecting rod 76, and the surface of connecting rod 76 is fixedly connected with positioning rod 73, and positioning rod 73 is inserted in the protective spring 74 and is connected with it slidingly, and the inner wall of positioning rod 73 and protective rod 72 is slidingly connected, and connects The surface of the bar 76 is fixedly connected with a pull block 75, the pull block 75 is slidably connected with the inwall of the protective bar 72, and one end of the connecting rod 76 is fixedly connected with a block 77, and the block 77 is offset against the surface of the rotating shaft 5, and the protective box 3 A fixed rod 71 is fixedly connected to the inner wall, and the surface of the fixed rod 71 is against the surface of the resisting block 77 .

The effect achieved by its whole auxiliary device 7 is that by setting the auxiliary device 7, when the rotating shaft 5 needs auxiliary protection, pulling the pull block 75 to the direction of the protective rod 72 drives the connecting rod 76 to slide in the same direction as the positioning rod 73, and the protective spring 74 pulls Stretch to generate elastic force, so that the rotating shaft 5 is in the gap between the fixed rod 71 and the resisting block 77, loosen the pull block 75, the protective spring 74 shrinks and drives the positioning rod 73 and the connecting rod 76 to reset, and the resisting block 77 is offset against the fixed rod 71 to complete The protection ensures that the rotating shaft 5 will not lose its position during operation, and the auxiliary device 7 greatly improves the stability of the equipment.

As shown in Fig. 1 and Fig. 2 and Fig. 3, the pressure roller device 8 includes two symmetrically arranged hydraulic telescopic cylinders 81, the output ends of the two hydraulic telescopic cylinders 81 are provided with telescopic rods 82, the two hydraulic telescopic cylinders 81 and the two hydraulic telescopic cylinders All are fixedly connected with connecting shaft 83 between each telescoping rod 82, and the peripheral surface of lower end connecting shaft 83 is provided with fixed roller 84, and the peripheral surface of upper end connecting shaft 83 is provided with moving roller 85.

The effect achieved by the entire pressure roller device 8 is that by setting the pressure roller device 8, before the pole piece is rolled up, the controller 4 controls the lifting of the telescopic rod 82 according to the thickness of the pole piece, so that the moving roller 85 The upper and lower sides of the pole piece are offset against the fixed roller 84 to ensure that the pole piece is in a flattened state before winding to prevent wrinkles. The pressing roller device 8 is simple in structure, strong in practicability and easy to operate.

Embodiment 2 is different from Embodiment 1 in that, as shown in Figure 1, the front side surface of the fixed mount 1 is fixedly connected with a controller 4, and the cylindrical surface of the rotating shaft 5 is provided with a winding roller 6, and the left side of the fixed mount 1 A pressure roller device 8 is arranged on the side surface, and the controller 4 is electrically connected with the rotating motor 2 and the hydraulic telescopic cylinder 81 .

Its overall working principle is that the utility model is a pole piece winding device used in the manufacture of lithium batteries. Before winding up the pole piece, the controller 4 controls the expansion of the telescopic rod 82 according to the thickness of the pole piece. Lifting, so that the moving roller 85 and the fixed roller 84 are against the upper and lower sides of the pole piece to ensure that the pole piece is in a flattened state before winding to prevent wrinkles, and then pull the pull block 75 in the direction of the protective rod 72 to drive the connecting rod 76 and the positioning rod 73 slides in the same direction, and the protection spring 74 is stretched to generate elastic force, so that the rotating shaft 5 is in the gap between the fixed rod 71 and the block 77, the pull block 75 is released, and the protection spring 74 shrinks to drive the positioning rod 73 and the connecting rod 76 to reset, and the resistance The block 77 is offset against the fixed rod 71 to complete the protection and ensure that the rotating shaft 5 will not be out of position during operation. Finally, the rotating motor 2 is turned on so that the rotating shaft 5 drives the winding roller 6 to wind up the pole piece.

The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model in other forms. Any skilled person who is familiar with this profession may use the technical content disclosed above to change or remodel it into an equivalent change. The equivalent embodiments are applied to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present utility model still belong to the technical solution of the present utility model scope of protection.

Claims (6)

1. A pole piece winding device for lithium battery manufacturing, comprising a fixed frame (1) and an auxiliary device (7), characterized in that: the surface of the fixed frame (1) is fixedly connected by a fixing bolt (9) There is a protective box (3) and a rotating motor (2), the auxiliary device (7) is arranged inside the protective box (3), the output end of the rotating motor (2) is fixedly connected with a rotating shaft (5), and The rotating shaft (5) is set through the protective box (3), and the auxiliary device (7) includes a protective bar (72), and the protective bar (72) is fixedly connected with the inner wall of the protective box (3), and the protective bar The inner wall of (72) is fixedly connected with protective spring (74), and described protective spring (74) is fixedly connected with connecting rod (76) at one end away from protective rod (72), and the surface of described connecting rod (76) is fixedly connected with A positioning rod (73), the positioning rod (73) is inserted in the protection spring (74) and is slidably connected with it. 2. A pole piece winding device for lithium battery manufacturing according to claim 1, characterized in that: the positioning rod (73) is slidingly connected with the inner wall of the protective rod (72), and the connecting rod ( 76) is fixedly connected with a pull block (75), the pull block (75) is slidably connected with the inner wall of the protection rod (72), and one end of the connecting rod (76) is fixedly connected with a block (77), so The abutting block (77) is in contact with the surface of the rotating shaft (5), and the inner wall of the protective box (3) is fixedly connected with a fixed rod (71), and the surface of the fixed rod (71) is in contact with the surface of the abutting block (77). The surface offsets. 3. A pole piece winding device for lithium battery manufacturing according to claim 1, characterized in that: the front side surface of the fixed frame (1) is fixedly connected with a controller (4), and the rotating A winding roller (6) is arranged on the cylindrical surface of the shaft (5), and a pressure roller device (8) is arranged on the left side surface of the fixed frame (1). 4. A pole piece winding device for lithium battery manufacturing according to claim 3, characterized in that: the pressure roller device (8) includes two symmetrically arranged hydraulic telescopic cylinders (81), two The output end of the hydraulic telescopic cylinder (81) is provided with a telescopic rod (82), and a connecting shaft (83) is fixedly connected between the two hydraulic telescopic cylinders (81) and the two telescopic rods (82). 5. A pole piece winding device for lithium battery manufacturing according to claim 4, characterized in that: the circumferential surface of the connecting shaft (83) at the lower end is provided with a fixed roller (84), and the connecting shaft at the upper end The peripheral surface of the shaft (83) is provided with moving rollers (85). 6. A pole piece winding device for lithium battery manufacturing according to claim 3, characterized in that: the controller (4) is electrically balanced with the rotating motor (2) and the hydraulic telescopic cylinder (81). connect.