CN216958163U

CN216958163U - Winding device for lithium battery production

Info

Publication number: CN216958163U
Application number: CN202122419404.2U
Authority: CN
Inventors: 姜冠华; 岳进; 巫章林; 刘艳林; 董兴佐; 刘瑞
Original assignee: Yibin Zhongbang New Energy Co ltd
Current assignee: Yibin Zhongbang New Energy Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-07-12
Anticipated expiration: 2031-10-08

Abstract

The utility model discloses a winding device for lithium battery production, which comprises an L-shaped substrate, a winding device and a guide auxiliary device, the winding device comprises a turntable and a winding rod, the turntable is rotationally connected with the L-shaped substrate, the winding rod is fixed on the turntable, and the electrode plate is wound on the winding rod, the guide auxiliary device comprises a guide roller component and a guide roller component which are both fixed on the L-shaped substrate, the guide roller component is provided with a guide roller, the guide roller component is provided with a guide roller and also comprises a dust removing device, the electrode plate is arranged in the dust removal device in a penetrating way, the dust removal device comprises a spraying mechanism, a dewatering mechanism and a blow-drying mechanism which are sequentially distributed along the electrode plate, and a box body, this spraying mechanism, this dewatering mechanism and this mechanism of weathering all are fixed in this box, and this spraying mechanism is used for spraying water smoke to this electrode slice surface, and this dewatering mechanism is used for getting rid of the water on this electrode slice surface. The utility model can remove dust on the surface of the electrode plate and ensure the quality of the battery cell.

Description

Winding device for lithium battery production

Technical Field

The utility model relates to the technical field of lithium battery production, in particular to a winding device for lithium battery production.

Background

The winding work of the battery electric chip is a common process in the manufacturing process of the battery module, the winding of the traditional battery electric chip is completed by manual work or simple auxiliary processing equipment, the poor winding effect often occurs, the production requirement cannot be met, and the reject ratio of the product is increased; meanwhile, the working efficiency is greatly influenced, so that the production of the product is often delayed.

The current published patent name is "a battery core automatic winding machine", chinese utility model with publication number CN211238427U, this patent is through setting up guide roll and guide roll, and the guide roll is located guide roll's top, and during the coiling, the electrode piece is placed on guide roll, makes guide roll move down, until rolling in the electrode piece upper surface, through adjusting guide roll and guide roll two extrusion force to the electrode piece to adjust the tensile force that the electrode piece received at the coiling in-process, it is not hard up when avoiding the electrode piece to coil.

However, in the above patent, impurities such as dust are easily adhered to the surface of the electrode sheet during the winding process, which affects the quality control of the battery cell.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a winding device for lithium battery production, which is designed for the winding device for lithium battery production and can remove dust on the surface of an electrode plate and ensure the quality of a battery core.

The embodiment of the utility model is realized by the following technical scheme:

a winding device for lithium battery production comprises an L-shaped substrate, a winding device and a guide auxiliary device, wherein the winding device comprises a turntable and a winding rod, the turntable is rotatably connected to the L-shaped substrate, the winding rod is fixed on the turntable, an electrode plate is wound on the winding rod, the guide auxiliary device comprises a guide roller assembly and a guide roller assembly which are both fixed on the L-shaped substrate, the guide roller assembly is provided with a guide roller, the winding device also comprises a dust removal device arranged at the front end of the winding device, the electrode plate is arranged in the dust removal device in a penetrating way, the dust removal device comprises a spraying mechanism, a dewatering mechanism and a blow-drying mechanism which are sequentially distributed along the electrode plate, and a box body, the spraying mechanism, the dewatering mechanism and the blow-drying mechanism are both fixed on the box body, the spraying mechanism is used for spraying water mist to the surface of the electrode plate, and the dewatering mechanism is used for removing water on the surface of the electrode plate, the blow-drying mechanism is used for spraying clean air to the surface of the electrode plate.

In an embodiment of the utility model, the spraying mechanism includes two groups of water mist spray head groups, the two groups of water mist spray head groups are symmetrically arranged on two sides of the electrode plate, and each group of water mist spray head group is provided with at least 1 water mist spray head.

In an embodiment of the utility model, an included angle between the spraying direction of the water mist spray head and the moving direction of the electrode plate is α.

In an embodiment of the utility model, the dewatering mechanism includes a motor and a pair of dewatering cloth rollers, the pair of dewatering cloth rollers are symmetrically disposed on two sides of the electrode plate, the dewatering cloth rollers contact with the surface of the electrode plate, and an output shaft of the motor is connected to the dewatering cloth rollers.

In an embodiment of the utility model, the blow-drying mechanism includes two groups of air nozzles, each group of air nozzles is provided with at least 1 air nozzle, the two groups of air nozzles are symmetrically arranged on two sides of the electrode plate, and the air nozzles spray clean air to the surface of the electrode plate.

In an embodiment of the present invention, at least 1 dewatering mechanism is provided, at least 1 drying mechanism is provided, and the dewatering mechanism and the drying mechanism are alternately arranged.

In an embodiment of the present invention, the box body is provided with a gas injection port, the gas injection port is communicated with an external compressed gas source, and the gas injection port is used for injecting clean air into the box body so as to maintain a positive pressure in the box body.

The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects:

according to the embodiment of the utility model, the dust removal device comprising the spraying device, the dewatering device and the blow-drying device is arranged, when the electrode plate passes through the dust removal device in the winding process, the electrode plate sequentially passes through the spraying device, the dewatering device and the blow-drying device, the spraying device is used for spraying water mist on the surface of the electrode plate to wrap dust in water, the dewatering device is used for removing dust-containing water primarily, and finally the blow-drying mechanism is used for drying the electrode plate, so that the purpose of removing dust on the surface of the electrode plate is achieved, and the quality of a battery cell is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic diagram of the present invention.

FIG. 2 is a schematic structural view of the dust removing apparatus of the present invention.

Icon: 1-L-shaped substrate, 2-winding device, 21-rotating disc, 22-winding rod, 3-guiding auxiliary device, 31-guiding roller, 32-guiding roller, 4-dust removing device, 41-spraying mechanism, 411-water mist spray head, 42-water removing mechanism, 421-water removing cloth roller, 43-drying mechanism, 431-air spray head, 44-box body, 441-gas injection port and 5-electrode plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the directions or positional relationships indicated by the terms "inside", "outside", etc. are based on the directions or positional relationships shown in the drawings or the directions or positional relationships that are usually placed when the utility model is used, the description is only for convenience of description and simplification, but the directions or the implications that the device or the element to be referred to must have a specific direction, be constructed in a specific direction and be operated are not to be understood as the limitation of the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "configured," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Referring to fig. 1 to 2, the embodiment provides a winding device for lithium battery production, which includes an L-shaped substrate 1, a dust removing device 4, a winding device 2, and a guiding auxiliary device 3, wherein the dust removing device 4, the winding device 2, and the guiding auxiliary device 3 are all mounted on the L-shaped substrate 1, and when winding an electrode sheet 5, the electrode sheet 5 sequentially passes through the dust removing device 4, the guiding auxiliary device 3, and the winding device 2.

Dust collector 4 locates the dust collector 4 of coiling device 2 front end, and dust collector 4 is worn to locate by electrode slice 5, and dust collector 4 includes spraying mechanism 41, dewatering mechanism 42 and the mechanism 43 that weathers that distributes along electrode slice 5 in proper order to and box 44. The box body 44 is provided with a feeding hole, a discharging hole and an air injection hole 441, the electrode plate 5 firstly enters the box body 44 from the feeding hole, and then is discharged out of the box body 44 from the discharging hole after dust removal. The gas injection port 441 is communicated with an external compressed gas source, and the gas injection port 441 is used for injecting clean air into the box body 44 to maintain the interior of the box body 44 to be positive pressure, so that dust outside the box body 44 is prevented from entering the box body 44 from a feed port or a discharge port. Spraying mechanism 41, dewatering mechanism 42 and blow-dry mechanism 43 all are fixed in box 44, and spraying mechanism 41 is used for spraying water smoke to 5 surfaces of electrode slice, and dewatering mechanism 42 is used for getting rid of the water on 5 surfaces of electrode slice, and blow-dry mechanism 43 is used for spraying clean air to 5 surfaces of electrode slice.

The spraying mechanism 41 comprises two groups of water mist spray head groups, the two groups of water mist spray head groups are symmetrically arranged on two sides of the electrode plate 5, each group of water mist spray head group is provided with at least 1 water mist spray head 411, and water mist is sprayed to the surface of the electrode plate 5 so as to facilitate subsequent dust removal and prevent dust from flying upwards uncontrollably during subsequent dust removal. And the included angle of the spraying direction of the water mist spray heads 411 and the moving direction of the electrode plate 5 is alpha, alpha is larger than 90 degrees, if the water mist is sprayed to the surface of the electrode plate 5 vertically, the water mist action area of a single water mist spray head 411 is smaller, if the water mist spray heads 411 spray the water mist obliquely, the action area of the water mist can be enlarged, and the dust removal effect is favorably improved.

The dewatering mechanism 42 comprises a motor and a pair of dewatering cloth rollers 421, the dewatering cloth rollers 421 are driven by the motor to rotate, the pair of dewatering cloth rollers 421 are symmetrically arranged at two sides of the electrode plate 5, the dewatering cloth rollers 421 are in surface contact with the electrode plate 5, the dewatering cloth rollers 421 are used for generating a polishing-like effect on the surface of the electrode plate 5 so as to clean dust on the surface of the electrode plate 5, and the cloth rollers are used for absorbing water on the surface of the electrode plate 5.

The blow-drying mechanism 43 comprises two groups of air spray nozzle groups, each group of air spray nozzle group is at least provided with 1 air spray nozzle 431, the number of the air spray nozzles 431 can be increased or decreased according to the width of the electrode plate 5, the air spray nozzles 431 are communicated with an external compressed air source, the two groups of air spray nozzles 431 are symmetrically arranged on two sides of the electrode plate 5, and clean air is sprayed to the surface of the electrode plate 5 through the air spray nozzles 431 so as to achieve the purpose of blow-drying the electrode plate 5.

In order to improve the dust removal effect and the drying effect, the dewatering mechanism 42 is at least provided with 1, the blow-drying mechanism 43 is at least provided with 1, and the dewatering mechanism 42 and the blow-drying mechanism 43 are alternately arranged.

Winding device 2 includes the motor, carousel 21 and winding rod 22, carousel 21 rotates to be connected on L shape base plate 1, carousel 21 passes through motor drive, winding rod 22 fixes on carousel 21, and utilize winding rod 22 to wind electrode slice 5, direction auxiliary device 3 is including the guide roll 32 subassembly and the guide roll 31 subassembly that all are fixed in L shape base plate 1, guide roll 32 subassembly is equipped with guide roll 32, guide roll 31 subassembly is equipped with guide roll 31, electrode slice 5 is located between guide roll 31 and the guide roll 32, guide roll 31 pushes down electrode slice 5, utilize the frictional force that guide roll 31 and guide roll 32 applyed to electrode slice 5, the pulling force that winding rod 22 applyed to electrode slice 5 is recombined to form the tensile force of electrode slice 5. It should be noted that the winding device 2 and the guiding auxiliary device 3 are both prior art and are described in detail in patent CN211238427U, and are not described herein again.

This embodiment is through setting up dust collector 4 including atomizer, water trap and the device that weathers, at the coiling in-process, electrode slice 5 is through dust collector 4 time, pass through atomizer in proper order, water trap and weather the device, utilize atomizer to spray earlier water smoke to 5 surfaces of electrode slice, so as to wrap up the dust in aqueous, water trap will be recycled and dust-laden water is tentatively got rid of, at last the reuse weathers mechanism 43 dry electrode piece 5, reach the purpose to 5 surface dust removals of electrode slice, ensure electric core quality.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A winding device for lithium battery production comprises an L-shaped substrate, a winding device and a guide auxiliary device, wherein the winding device comprises a turntable and a winding rod, the turntable is rotatably connected with the L-shaped substrate, the winding rod is fixed on the turntable, an electrode plate is wound on the winding rod, the guide auxiliary device comprises a guide roller assembly and a guide roller assembly which are both fixed on the L-shaped substrate, the guide roller assembly is provided with a guide roller, and the guide roller assembly is characterized in that,

still including locating the dust collector of this take-up device front end, this dust collector is worn to locate by this electrode slice, this dust collector includes along the spraying mechanism that this electrode slice distributes in proper order, dewatering mechanism and weather the mechanism to and the box, this spraying mechanism, this dewatering mechanism and this weather the mechanism and all be fixed in this box, this spraying mechanism is used for spraying water smoke to this electrode slice surface, this dewatering mechanism is used for getting rid of the water on this electrode slice surface, should weather the mechanism and be used for spraying clean air to this electrode slice surface.

2. The winding device for lithium battery production according to claim 1,

the spraying mechanism comprises two groups of water mist spray head groups, the two groups of water mist spray head groups are symmetrically arranged on two sides of the electrode plate, and each group of water mist spray head group is at least provided with 1 water mist spray head.

3. The winding device for lithium battery production according to claim 2,

and the included angle between the spraying direction of the water mist spray head and the moving direction of the electrode plate is alpha.

4. The winding device for lithium battery production according to claim 1,

the dewatering mechanism comprises a motor and a pair of dewatering cloth rollers,

the pair of dewatering cloth rollers are symmetrically arranged on two sides of the electrode plate and are contacted with the surface of the electrode plate,

the output shaft of the motor is connected with the dewatering cloth roller.

5. The winding device for lithium battery production according to claim 4,

the blow-drying mechanism comprises two groups of air nozzle groups,

each air nozzle group is at least provided with 1 air nozzle, the two air nozzle groups are symmetrically arranged on two sides of the electrode plate, and the air nozzles spray clean air to the surface of the electrode plate.

6. The winding device for lithium battery production according to claim 5,

the dewatering mechanism is at least provided with 1, the blow-drying mechanism is at least provided with 1, and the dewatering mechanism and the blow-drying mechanism are alternately arranged.

7. The winding device for lithium battery production according to claim 1,

the box is equipped with the gas injection mouth, and this gas injection mouth communicates with outside compressed air source, and this gas injection mouth is used for pouring clean air to this box in to it is the malleation to maintain this box in.