CN220563885U

CN220563885U - Winding and unwinding mechanism and battery production device

Info

Publication number: CN220563885U
Application number: CN202322306079.8U
Authority: CN
Inventors: 付博昂; 邓镇; 孟瑞锋
Original assignee: Nakonor Intelligent Equipment Shenzhen Co ltd
Current assignee: Nakonor Intelligent Equipment Shenzhen Co ltd
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-03-08
Anticipated expiration: 2033-08-25

Abstract

The utility model discloses a winding and unwinding mechanism and a battery production device, wherein the winding and unwinding mechanism comprises a frame, a turnover assembly and a first driving device are arranged on the frame, the turnover assembly is provided with a central shaft, the central shaft is connected with the first driving device through a speed reducer, the speed reducer is provided with an extension shaft, the extension shaft is connected with a braking unit, the speed reducer is connected with an encoder assembly through a synchronous belt, and the battery production device comprises the winding and unwinding mechanism.

Description

Winding and unwinding mechanism and battery production device

Technical Field

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

Background

Along with the improvement of the requirements of the market on the productivity of equipment, particularly the wide application of lithium ion batteries in electric automobiles and the continuous growth of energy storage markets, the widths of the used coiled materials and lithium battery pole pieces are wider and wider, the coil diameters are larger and larger, the corresponding coiling and uncoiling reel load is correspondingly increased, the inertia of a turnover assembly is also increased during turnover, and the conventional motor band-type brake control coiling and uncoiling turnover stopping mode has the defect that the turnover cannot be stopped at a target position in time due to large inertia, so that automatic coil replacement fails.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a winding and unwinding mechanism and a battery production device, wherein the battery production device comprises the winding and unwinding mechanism, and through the battery production equipment, winding and unwinding work of a pole piece with large width or large weight can be satisfied, the inertia effect is reduced, automatic winding and unwinding work is realized, and the production effect of a battery is ensured.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a receive and release mechanism, includes the frame, be equipped with upset subassembly and first drive arrangement in the frame, upset subassembly has a center pin, the center pin with connect through the speed reducer between the first drive arrangement, the speed reducer has an extension shaft, the extension shaft is connected with brake unit, the speed reducer is connected with the encoder subassembly through the hold-in range.

As a further improvement of the scheme, the braking unit adopts a pneumatic band-type brake.

As a further improvement of the scheme, the periphery of the overturning assembly is provided with a dust cover, and the dust cover is connected to the frame through a supporting frame.

As a further improvement of the above scheme, the input shaft of the speed reducer is connected to the output shaft of the first driving device through a first chain, and the output shaft of the speed reducer is connected to the central shaft through an expansion sleeve.

As a further improvement of the scheme, a first roll shaft is sleeved on the periphery of the central shaft, a second roll shaft is sleeved on the periphery of the first roll shaft, the first roll shaft is connected with a second driving device, and the second roll shaft is connected with a third driving device.

As a further improvement of the above scheme, the first roll shaft is in transmission connection with the second driving device through a second chain, and the second roll shaft is in transmission connection with the third driving device through a third chain.

As a further improvement of the scheme, the first roll shaft is connected with a winding and unwinding shaft A assembly through fourth chain transmission, and the second roll shaft is connected with a winding and unwinding shaft B assembly through fifth chain transmission.

As a further improvement of the scheme, the first driving device, the second driving device and the third driving device all adopt servo motors.

The utility model also provides a battery production device comprising the winding and unwinding mechanism.

The beneficial effects of the utility model are as follows:

a winding and unwinding mechanism and a battery production device are provided, the battery production device comprises the winding and unwinding mechanism, winding and unwinding work of a pole piece with large breadth or large weight can be met through the battery production equipment, inertia effect is reduced, automatic winding and unwinding work is realized, and production effect of a battery is guaranteed.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of the overall assembly of the unwind and wind-up mechanism of the present utility model;

FIG. 2 is a schematic view of a part of the winding and unwinding mechanism according to the present utility model;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is a schematic view of a partial structure of the winding and unwinding mechanism of the present utility model;

reference numerals illustrate:

1. a frame; 10. a first bearing seat; 11. a second bearing seat; 2. a first driving device; 3. a speed reducer; 20. a first chain; 4. a central shaft; 5. a braking unit; 6. an encoder assembly; 60. a synchronous belt; 40. a dust cover; 12. a support frame; 410. a first roller shaft; 420. a second roller shaft; 41. winding and unwinding an A-axis assembly; 42. winding and unwinding a B shaft assembly; 412. a fourth chain; 411. a second driving device; 421. a third driving device; 422. and a fifth chain.

Detailed Description

The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all the coupling/connection relationships referred to in the patent are not direct connection of the single-finger members, but rather, it means that a better coupling structure can be formed by adding or subtracting coupling aids depending on the specific implementation. The technical features in the utility model can be interactively combined on the premise of no contradiction and conflict.

The utility model provides a winding and unwinding mechanism which is applied to winding and unwinding of a coiled material, and can play a role in reducing inertia when the size and the weight of the coiled material are large, so that the mechanism can operate more stably and reliably.

Referring to fig. 1 to 4, the winding and unwinding mechanism includes a frame 1, a first bearing seat 10 and a second bearing seat 11 are disposed on the frame 1, and the first bearing seat 10 and the second bearing seat 11 support a turnover assembly together.

The first bearing seat 10 is provided with a first driving device 2, and the first driving device 2 is used for controlling the turning assembly to rotate. The specific connection structure is that the first driving device 2 is connected with the turnover assembly through the speed reducer 3, the first driving device 2 is connected with an output shaft of the speed reducer 3 through the first chain 20, the turnover assembly is provided with a central shaft 4, one end of the central shaft 4 is connected with the output shaft of the speed reducer 3 through the expansion sleeve, and when the first driving device 2 is started, the speed reducer 3 can drive the central shaft 4 to synchronously rotate.

In order to enhance the braking effect of the mechanism, a braking unit 5 is arranged on the first bearing seat 10, the speed reducer 3 is provided with an extending shaft, one end of the braking unit 5 is fixed on the first bearing seat 10, and the other end of the braking unit 5 is connected with the extending shaft of the speed reducer 3. In this embodiment, the braking unit 5 adopts a pneumatic band-type brake.

The first bearing seat 10 is further provided with an encoder assembly 6, the encoder assembly 6 is connected to the speed reducer 3 through a synchronous belt 60 and is used for obtaining the rotation speed of the speed reducer 3, the rotation travel of the speed reducer 3 is calculated through the rotation speed and the rotation time of the speed reducer 3, the rotation travel of the speed reducer 3 corresponds to the rotation position of the key central shaft 4 of the turnover assembly, when the central shaft 4 rotates to a set target position, the first driving device 2 is closed, the pneumatic band-type brake is started, the inertia of a heavy-weight rolled section bar can be reduced through a double braking structure, and the turnover assembly is stopped at the target position in time. In this embodiment, the first driving device 2 adopts a servo motor, when the servo motor is closed, the band-type brake function inside the servo motor is started,

the periphery of upset subassembly is equipped with dust cover 40, be equipped with support frame 12 on the frame 1, dust cover 40 fixed connection in support frame 12, dust cover 40 can prevent that the dust from getting into inside the upset subassembly, avoids producing the interference effect to the part in the upset subassembly.

The overturning assembly comprises a winding and unwinding shaft A assembly and a winding and unwinding shaft B assembly, a first roller shaft 410 is sleeved on the periphery of the central shaft 4, a second roller shaft 420 is sleeved on the periphery of the first roller shaft 410, the winding and unwinding shaft A assembly is connected with the first roller shaft 410 through a fourth chain 412 in a transmission mode, and the winding and unwinding shaft B assembly is connected with the first roller shaft 410 through a fifth chain 422 in a transmission mode. Further, the frame 1 is further provided with a driving device for driving the first roller 410 and the second roller 420 to rotate, the first roller 410 is connected to the second driving device 411 through a second chain transmission, and the second roller 420 is connected to the third driving device 421 through a third chain transmission. In this embodiment, the second driving device 411 and the third driving device 421 are servo motors.

It can be understood that the first roller 410 and the second roller 420 are controlled by different driving devices, and when one of the second driving device 411 or the third driving device 421 is started, the connected winding and unwinding assembly is driven to work; when the second driving device 411 and the third driving device 421 are started simultaneously, the winding and unwinding a-axis assembly and the winding and unwinding B-axis assembly can be driven to work simultaneously, and the winding and unwinding device is suitable for different working situations.

The utility model also provides a battery production device which comprises the winding and unwinding mechanism, and through the battery production equipment, winding and unwinding work of a pole piece with large width or large weight can be satisfied, the inertia effect is reduced, automatic winding and unwinding work is realized, and the production effect of a battery is ensured.

While the preferred embodiment of the present utility model has been described in detail, the present utility model is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications or substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims

1. The winding and unwinding mechanism is characterized by comprising a frame, wherein a turnover assembly and a first driving device are arranged on the frame, the turnover assembly is provided with a central shaft, the central shaft is connected with the first driving device through a speed reducer, the speed reducer is provided with an extending shaft, the extending shaft is connected with a braking unit, and the speed reducer is connected with an encoder assembly through a synchronous belt.

2. The winding and unwinding mechanism according to claim 1, wherein the braking unit employs a pneumatic band-type brake.

3. The winding and unwinding mechanism according to claim 1, wherein a dust cover is provided on the outer periphery of the turnover assembly, and the dust cover is connected to the frame via a support frame.

4. A winding and unwinding mechanism according to claim 1, characterized in that the input shaft of the speed reducer is connected to the output shaft of the first driving device via a first chain, and the output shaft of the speed reducer is connected to the central shaft via an expansion sleeve.

5. The winding and unwinding mechanism according to claim 1, wherein a first roll shaft is sleeved on the outer periphery of the central shaft, a second roll shaft is sleeved on the outer periphery of the first roll shaft, the first roll shaft is connected with a second driving device, and the second roll shaft is connected with a third driving device.

6. The winding and unwinding mechanism according to claim 5, wherein the first roller shaft is in transmission connection with the second driving device through a second chain, and the second roller shaft is in transmission connection with the third driving device through a third chain.

7. The winding and unwinding mechanism according to claim 5, wherein the first roller is connected to the winding and unwinding a-axis assembly through a fourth chain transmission, and the second roller is connected to the winding and unwinding B-axis assembly through a fifth chain transmission.

8. The winding and unwinding mechanism according to claim 5, wherein the first driving device, the second driving device and the third driving device each employ a servo motor.

9. A battery production apparatus comprising the winding and unwinding mechanism according to any one of claims 1 to 8.