CN219135930U

CN219135930U - Winding device for winding lithium battery core

Info

Publication number: CN219135930U
Application number: CN202223206938.8U
Authority: CN
Inventors: 庞华龙; 徐海林; 陈木桂; 李万
Original assignee: Hai Chuangxin Energy Dongguan Co ltd
Current assignee: Hai Chuangxin Energy Dongguan Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-06-06
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a winding device for winding a lithium battery core, which comprises a bottom frame and a winding mechanism, wherein a flat roller is arranged on the bottom frame, the flat roller is in rotary connection with the bottom frame, a connecting rod and a first roller are arranged at one end far away from the bottom frame, the first roller is in rotary connection with the connecting rod, the winding mechanism comprises a driving motor, a rotating drum and a belt, the driving motor is in transmission fit with the rotating drum through the belt, the rotating drum is in transmission fit with the rotating drum through the belt, a plurality of rotating drums are arranged on the bottom frame, and a rotating rod for winding the lithium battery core is arranged on the rotating drum. Compared with the traditional winding device, the winding device for winding the lithium battery core can be used for carrying out tiling treatment on the lithium battery core, can prevent the phenomenon of wrinkling and loosening when the lithium battery core is wound, and can avoid the uneven wound lithium battery core.

Description

Winding device for winding lithium battery core

Technical Field

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

Background

With the continuous development of the electronic industry, portable charging devices and large-capacity rechargeable batteries have become a future development trend. The lithium ion battery has the characteristics of high energy storage density, long service life and the like, and is widely applied to various fields. The lithium ion battery can be mainly divided into winding and lamination according to the manufacturing process. The winding process is an operation of sequentially laminating the anode sheet, the isolating film and the cathode sheet and then winding the anode sheet, the isolating film and the cathode sheet by using a winding machine to form the battery cell, and has the advantages of simplicity in operation, low equipment cost, high production efficiency and the like. In the processing production of lithium cell, need roll-in anode plate, barrier film and cathode strip to wind on the winding roll, in order to make things convenient for the transportation of lithium cell, current lithium cell processing winding device, it is in the in-process of coiling to the lithium cell, because lithium cell is at the in-process tensioning degree of transmission, lead to the lithium cell to wind more loosely, the condition of unevenness appears easily, the unevenness of coiling leads to the lithium cell after the coiling to be beautiful inadequately, unevenness, the lithium cell after the coiling appears the condition of quality inadequately because of loosely, and the winding speed is slow, and is inefficiency, the winding speed is uncontrollable.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a winding device for winding a lithium battery core.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a wind device for rolling lithium cell, including chassis and winding mechanism, be provided with the tiling cylinder on the chassis, the tiling cylinder with rotate between the chassis and be connected, keep away from the one end of chassis is provided with connecting rod and first cylinder, first cylinder with rotate between the connecting rod and be connected, winding mechanism includes driving motor, rotary drum and belt, driving motor with form transmission cooperation through the belt between the rotary drum, the rotary drum with form transmission cooperation through the belt between the rotary drum, a plurality of the rotary drum set up in on the chassis, be provided with the bull stick that is used for the rolling of lithium cell core on the rotary drum.

The rotary drum comprises a transmission rod, a fixed block and a rotary table, wherein the fixed block is fixedly arranged on the underframe, the transmission rod is fixedly connected with the rotary table, and the transmission rod is rotationally connected with the fixed block.

As further illustration, the bull stick comprises rolling dish and rolling pole, the rolling pole evenly sets up on the rolling dish, form integrated into one piece structure between rolling dish and the rolling pole.

As further illustration, a fastening seat is fixedly arranged on the underframe, and the driving motor is arranged on the fastening seat.

As a further illustration, universal wheels for movement are arranged at the bottom of the periphery of the underframe.

As a further illustration, the drive motor is a variable frequency motor.

In summary, the utility model has the following beneficial effects: the winding device for winding the lithium battery core is used for winding the lithium battery core, the lithium battery core is fed from one end of the first roller and passes through the flat roller, the lithium battery core is wound on the rotating rod after being leveled by the flat roller, the driving motor is enabled to rotate, and then the driving motor is enabled to drive the rotating cylinder to rotate through the belt, and then the rotating rod is enabled to rotate through the rotating cylinder to wind the lithium battery core, the tensioning force is high in the transmission process, the phenomenon of too loosening during winding can be avoided, the uneven condition is avoided, the winding speed is faster, the efficiency is high, and the speed is controllable.

Drawings

Fig. 1 is a schematic structural view of a winding device for winding a lithium battery core according to the present utility model;

FIG. 2 is a top view of a winding device for winding a lithium battery cell according to the present utility model;

FIG. 3 is a schematic view of a winding mechanism according to the present utility model;

FIG. 4 is a schematic view of the structure of the turning rod of the present utility model.

Reference numerals in the drawings:

1-chassis in the figure; 2-universal wheels; 3-a first roller; 4-tiling a roller; 5-connecting rods; 6, a fastening seat; 7-driving a motor; 8-a belt; 9-a drum; 10-rotating rods; 11-a winding mechanism; 12-fixing blocks; 13-a transmission rod; 14-a turntable; 15-winding the coil; 16-winding rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-4, a winding device for winding a lithium battery core comprises a bottom frame 1 and a winding mechanism 11, wherein a flat roller 4 is arranged on the bottom frame 1, the flat roller 4 is rotationally connected with the bottom frame 1, a connecting rod 5 and a first roller 3 are arranged at one end far away from the bottom frame 1, the first roller 3 is rotationally connected with the connecting rod 5, the winding mechanism 11 comprises a driving motor 7, a rotating drum 9 and a belt 8, the driving motor 7 and the rotating drum 9 form transmission fit through the belt 8, the rotating drum 9 and the rotating drum 9 form transmission fit through the belt 8, a plurality of rotating drums 9 are arranged on the bottom frame 1, and a rotating rod 10 for winding the lithium battery core is arranged on the rotating drum 9.

In this embodiment, the drum 9 includes a transmission rod 13, a fixed block 12, and a turntable 14, where the fixed block 12 is fixedly disposed on the chassis 1, the transmission rod 13 is fixedly connected with the turntable 14, and the transmission rod 13 is rotationally connected with the fixed block 12.

In this embodiment, the rotating rod 10 is composed of a winding disc 15 and a winding rod 16, the winding rod 16 is uniformly arranged on the winding disc 15, an integrated forming structure is formed between the winding disc 15 and the winding rod 16, and more lithium battery cells can be wound by adopting the rotating rod 10.

In this embodiment, a fastening seat 6 is fixedly disposed on the chassis 1, and the driving motor 7 is disposed on the fastening seat 6.

In this embodiment, the universal wheel 2 that is used for removing is provided with to the bottom all around of chassis 1, conveniently carries around the rolling up device through setting up universal wheel 2, and traditional rolling up device often hardly carries.

In this embodiment, the driving motor 7 adopts a variable frequency motor, and by adopting the variable frequency motor as a driving device and by frequency conversion input of the variable frequency motor, different rotation speed requirements can be realized, and control of the winding speed can be realized.

When specifically using, send into lithium cell core from first cylinder 3 one end to pass tiling cylinder 4, after tiling cylinder 4 flattening, around rolling up the bull stick 10 with the lithium cell core on, through making driving motor 7 rotate, and then driving motor 7 passes through belt 8 drive rotary drum 9 and rotate, and then drive the bull stick 10 through rotary drum 9 and rotate and roll up the lithium cell core, tensioning force is bigger when winding up through first cylinder 3 and peace cylinder 4 messenger lithium cell core, can avoid too loose phenomenon when winding up, avoid around the circumstances of unevenness appearing after rolling up, and rolling speed is faster, and is efficient.

In summary, the winding device for winding the lithium battery core is used for winding the lithium battery core, feeding the lithium battery core from one end of the first roller, penetrating through the flat roller, leveling the flat roller, winding the lithium battery core onto the rotating rod, driving the rotating cylinder to rotate through the driving motor, driving the rotating cylinder to rotate through the belt, driving the rotating rod to rotate through the rotating cylinder, and winding the lithium battery core, wherein the tensioning force is high in the transmission process, the phenomenon of excessive loosening during winding can be avoided, the uneven condition is avoided, the winding speed is faster, the efficiency is high, and the speed is controllable.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A wind device for rolling lithium cell core, its characterized in that: including chassis and winding mechanism, be provided with the tiling cylinder on the chassis, the tiling cylinder with rotate between the chassis and be connected, keep away from the one end of chassis is provided with connecting rod and first cylinder, first cylinder with rotate between the connecting rod and be connected, winding mechanism includes driving motor, rotary drum and belt, driving motor with form transmission cooperation through the belt between the rotary drum, the rotary drum with form transmission cooperation through the belt between the rotary drum, a plurality of the rotary drum set up in on the chassis, be provided with the bull stick that is used for the rolling of lithium cell core on the rotary drum.

2. The winding device for winding a lithium battery cell according to claim 1, wherein: the rotary drum comprises a transmission rod, a fixed block and a rotary disc, wherein the fixed block is fixedly arranged on the underframe, the transmission rod is fixedly connected with the rotary disc, and the transmission rod is rotationally connected with the fixed block.

3. The winding device for winding a lithium battery cell according to claim 1, wherein: the bull stick comprises rolling dish and rolling pole, the rolling pole evenly sets up on the rolling dish, form integrated into one piece structure between rolling dish and the rolling pole.

4. The winding device for winding a lithium battery cell according to claim 1, wherein: the chassis is fixedly provided with a fastening seat, and the driving motor is arranged on the fastening seat.

5. The winding device for winding a lithium battery cell according to claim 1, wherein: the bottom all around of chassis is provided with the universal wheel that is used for removing.

6. The winding device for winding a lithium battery cell according to claim 1, wherein: the driving motor adopts a variable frequency motor.