CN216563278U

CN216563278U - Lithium ion battery cell coiling device

Info

Publication number: CN216563278U
Application number: CN202123414902.4U
Authority: CN
Inventors: 何学祥; 王峻松
Original assignee: Guangdong Jiashang New Energy Technology Co ltd
Current assignee: Guangdong Jiashang New Energy Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-17
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to the technical field of electric core winding, in particular to a lithium ion battery cell winding device, which comprises a base station, wherein a press plate is arranged above the base station, a first air cylinder is fixedly arranged on the lower bottom surface of the base station, the tail end of a piston rod of the first air cylinder vertically extends upwards, and the tail end of the piston rod of the first air cylinder is welded and fixed with the lower bottom surface of the press plate. Thereby finishing the rolling of the lithium ion battery cell.

Description

Lithium ion battery cell coiling device

Technical Field

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

Background

The cell refers to a single electrochemical cell containing a positive electrode and a negative electrode, and is not generally used directly. The battery is different from a battery which comprises a protection circuit and a shell and can be directly used. The quality of the battery cell directly determines the quality of the rechargeable battery. The lithium ion battery cell after production is whole longer, for convenient storage, need carry out the rolling with it through the machine of book of coiling. The existing winding machine is provided with more roller bodies, the distance between the plurality of roller bodies is smaller, and the winding machine is only convenient to wind thin silk threads or thin film bodies. In view of this, we propose a lithium ion battery cell winding device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lithium ion battery cell winding device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a lithium ion battery cell is around rolling up device, includes the base station, the top of base station is equipped with the clamp plate, the lower bottom surface fixed mounting of base station has first cylinder, just the terminal vertical upwards of piston rod of first cylinder stretch out and its terminal with the lower bottom surface welded fastening of clamp plate, the top of base station is equipped with the subassembly that flattens and winds the package, the subassembly that flattens includes two unidimensional extension boards, two be fixed with four compression rollers that are the matrix and distribute between the extension board, include two mounting panels around rolling up the subassembly, and two it is connected with the rotary drum to rotate between the mounting panel, the one end of rotary drum and the terminal welded fastening of output shaft of motor, motor fixed mounting is one of them on the outer wall of mounting panel.

Preferably, an adhesive layer is provided on an outer surface of the drum.

Preferably, the compression roller and the rotary drum are respectively sleeved with two first limiting rings and two second limiting rings.

Preferably, a sliding rod is fixedly welded on the upper surface of the base platform, penetrates through the pressing plate and is connected with the pressing plate in a sliding mode.

Preferably, a through groove is formed in one of the support plates, a sliding groove is formed in the inner surface of the other support plate, and one end of the pressing plate is connected with the sliding groove in a sliding mode.

Preferably, the support plate and the lower bottom surface of the mounting plate are welded and fixed with the upper surface of the base platform.

Preferably, four support bases distributed in a matrix form are welded at the bottom of the base station in a tight mode.

Compared with the prior art, the utility model has the beneficial effects that: this lithium ion cell winds the package and puts, the lithium ion cell that will need to wind the book is spread on the base station, drive the clamp plate and push down when the piston rod through first cylinder contracts, make the bottom of clamp plate laminate mutually with the surface of lithium ion cell, secondly, the one end of pulling lithium ion cell, it is spread on four compression rollers, control the tension of lithium ion cell through the compression roller, make the lithium ion cell after the rolling surperficial level and smooth, the one end that will pass the lithium ion cell of a plurality of compression rollers bonds on the adhesive linkage on the rotary drum surface again, drive the rotary drum and rotate when the output shaft through the motor rotates, thereby accomplish the rolling of lithium ion cell, it is more to have solved the present roll body of installing on the book machine of winding, and the interval between a plurality of roll bodies is less, only conveniently wind the problem of thinner silk thread or thinner film body.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a base station according to embodiment 1 of the present invention;

FIG. 3 is a schematic structural view of a flattening assembly in embodiment 1 of the present invention;

FIG. 4 is a schematic structural view of a winding assembly in embodiment 1 of the present invention;

fig. 5 is a schematic structural diagram of a base in embodiment 2 of the present invention.

The meaning of the individual reference symbols in the figures is:

1. a base station; 11. pressing a plate; 12. a first cylinder; 13. a slide bar; 14. a support; 2. a flattening assembly; 21. a support plate; 22. a through groove; 23. a chute; 24. a compression roller; 25. a first spacing collar; 3. a winding assembly; 31. mounting a plate; 32. a rotating drum; 33. a motor; 34. an adhesive layer; 35. a second limit ring; 4. a base; 41. grooving; 42. a second cylinder; 43. a push plate.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

Referring to fig. 1-4, the present embodiment provides a technical solution:

the utility model provides a lithium ion battery cell is around rolling up device, including base station 1, the top of base station 1 is equipped with clamp plate 11, the lower bottom surface fixed mounting of base station 1 has first cylinder 12, and the terminal vertical bottom surface welded fastening who upwards stretches out and its end and clamp plate 11 of piston rod of first cylinder 12, the top of base station 1 is equipped with the subassembly 2 that flattens and winds package subassembly 3, the subassembly 2 that flattens includes two unidimensional extension boards 21, be fixed with four compression rollers 24 that are the matrix and distribute between two extension boards 21, it includes two mounting panels 31 to wind package subassembly 3, and rotate between two mounting panels 31 and be connected with rotary drum 32, the one end of rotary drum 32 and the terminal welded fastening of output shaft of motor 33, motor 33 fixed mounting is on the outer wall of one of them mounting panel 31.

In this embodiment, the adhesive layer 34 is disposed on the outer surface of the drum 32, so that one end of the lithium ion battery cell to be wound can be fixed, and the lithium ion battery cell can be wound conveniently.

Further, the compression roller 24 and the rotary drum 32 are respectively sleeved with two first limiting rings 25 and two second limiting rings 35, the two first limiting rings 25 on each compression roller 24 and the two second limiting rings 35 on the rotary drum 32 are shifted, the inner surfaces of the first limiting rings 25 and the second limiting rings 35 are attached to the two outer walls of the lithium ion battery cell, the lithium ion battery cell wound around the roll can be limited, the situation that the lithium ion battery cell deviates from the original laying position in the winding process is avoided, the lithium ion battery cell is prevented from being uneven at the two ends of the top and the bottom after being wound around the roll, and the winding effect is poor.

Furthermore, a sliding rod 13 is welded and fixed on the upper surface of the base platform 1, the sliding rod 13 penetrates through the pressing plate 11, and the sliding rod 13 is connected with the pressing plate 11 in a sliding manner, so that the pressing plate 11 is horizontal on the base platform 1.

In this embodiment, one of the support plates 21 has a through slot 22, the inner surface of the other support plate 21 has a sliding slot 23, one end of the pressing plate 11 is slidably connected to the sliding slot 23, and the pressing plate 11 is disposed on one side of the plurality of pressing rollers 24, and can press the lithium ion battery to be wound.

Furthermore, the lower bottom surfaces of the support plate 21 and the mounting plate 31 are welded and fixed with the upper surface of the base station 1, so that the support plate 21 and the mounting plate 31 are tightly connected with the base station 1, and the support plate 21 and the mounting plate 31 are prevented from toppling and collapsing to influence the winding progress of the lithium ion battery cell.

It should be noted that, the bottom of the base platform 1 is tightly welded with four support bases 14 distributed in a matrix form, so that the whole device has more stability.

When the lithium ion battery cell winding device of the embodiment is used, a lithium ion battery cell to be wound is laid on a base station 1, a power supply of a first cylinder 12 is connected, a piston rod of the first cylinder 12 can drive a pressing plate 11 to press down when contracting, so that the bottom of the pressing plate 11 is attached to the surface of the lithium ion battery cell, then one end of the lithium ion battery cell is pulled to be laid on four pressing rollers 24, the tension of the lithium ion battery cell is controlled by the pressing rollers 24, the surface of the wound lithium ion battery cell is flat, one end of the lithium ion battery cell penetrating through the pressing rollers 24 is attached to an adhesive layer 34 on the surface of a rotating drum 32, then two first limiting rings 25 on each pressing roller 24 and two second limiting rings 35 on the rotating drum 32 are shifted, so that the inner surfaces of the first limiting rings 25 and the two second limiting rings 35 are respectively attached to two outer walls of the lithium ion battery cell, and the wound lithium ion battery cell can be limited, avoid the lithium ion cell skew original position of laying at the winding in-process, lead to the lithium ion cell to wind the back top end both ends unevenness of rolling up, it is poor to wind the effect, and then, switch on motor 33 power, the output shaft of motor 33 can drive rotary drum 32 and rotate to accomplish the rolling of lithium ion cell.

Example 2

Referring to fig. 5, the present embodiment provides the following technical solutions on the basis of embodiment 1: the top welded fastening of base station 1 has two bases 4, fluting 41 has all been seted up to two bases 4 just relative one end, equal fixed mounting has second cylinder 42 on two bases 4 back of the body one end outer wall mutually, and two second cylinder 42's piston rod respectively the activity run through two bases 4 and its terminal close welding have push pedal 43, can change the interval between two push pedal 43 when two second cylinder 42's piston rod are flexible, be convenient for carry on spacingly to the lithium ion battery cell of shop on base station 1, help the rolling of lithium ion battery cell.

In addition, the height of the push plate 43 is equal to or less than the height of the slot 41, which facilitates the movement of the push plate 43 in the slot 41.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lithium ion cell is around package and is put, includes base station (1), the top of base station (1) is equipped with clamp plate (11), the lower bottom surface fixed mounting of base station (1) has first cylinder (12), just the piston rod end of first cylinder (12) is vertical upwards stretch out and its end with the lower bottom surface welded fastening of clamp plate (11), the top of base station (1) is equipped with flattening subassembly (2) and around rolling up subassembly (3), its characterized in that: flattening subassembly (2) include two unidimensional extension boards (21), two be fixed with four compression roller (24) that are the matrix and distribute between extension board (21), including two mounting panel (31) around rolling up subassembly (3), and two it is connected with rotary drum (32) to rotate between mounting panel (31), the one end of rotary drum (32) and the terminal welded fastening of output shaft of motor (33), motor (33) fixed mounting is in one of them on the outer wall of mounting panel (31).

2. The lithium ion battery cell winding device according to claim 1, wherein: an adhesive layer (34) is disposed on an outer surface of the drum (32).

3. The lithium ion battery cell winding device according to claim 1, wherein: the compression roller (24) and the rotary drum (32) are respectively sleeved with two first limiting rings (25) and two second limiting rings (35).

4. The lithium ion battery cell winding device according to claim 1, wherein: the upper surface welded fastening of base station (1) has slide bar (13), slide bar (13) run through clamp plate (11), slide bar (13) with clamp plate (11) sliding connection.

5. The lithium ion battery cell winding device according to claim 1, wherein: a through groove (22) is formed in one of the support plates (21), a sliding groove (23) is formed in the inner surface of the other support plate (21), and one end of the pressing plate (11) is connected with the sliding groove (23) in a sliding mode.

6. The lithium ion battery cell winding device according to claim 1, wherein: the lower bottom surfaces of the support plate (21) and the mounting plate (31) are fixedly welded with the upper surface of the base station (1).

7. The lithium ion battery cell winding device according to claim 1, wherein: the bottom of base station (1) is closely welded with four support (14) that are matrix distribution.