CN216661950U

CN216661950U - Tension swing structure

Info

Publication number: CN216661950U
Application number: CN202123232971.3U
Authority: CN
Inventors: 王玮; 严海宏; 刘军; 方龙
Original assignee: Dongguan Yakang Precision Machinery Co Ltd
Current assignee: Dongguan Yakang Precision Machinery Co Ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-06-03
Anticipated expiration: 2031-12-20

Abstract

The utility model relates to a tension swing structure which comprises a fixed frame, a tension swing arm mechanism, a tension detection mechanism and a fixed roller, wherein the tension swing arm mechanism, the tension detection mechanism and the fixed roller are arranged on the fixed frame, and a pole piece passes through the tension detection mechanism and then is wound between the fixed roller and the tension swing arm mechanism in an alternating mode. Above-mentioned tension swing structure can be through the tension of tension detection mechanism control pole piece, when pole piece tension changes, drives tension swing arm mechanism adjustment pole piece tension between the pole piece to keep the tension of pole piece invariable, make the pole piece can steadily transmit, thereby guarantee the quality that electric core was wound up.

Description

Tension swing structure

Technical Field

The utility model relates to the technical field of lithium battery production, in particular to a tension swing structure.

Background

In the process of lithium battery production, the pole piece material is rolled up and is then transmitted to equipment to produce through unreeling, because the tensity that the pole piece material was rolled up is different, makes the pole piece can produce the internal stress to the electric core after coiling when the in-process tension control of transmission is not good to arouse that coiling electric core warp. The pole piece on the present winder can not detect the tension of the pole piece in the traction process, so that the tension of the pole piece can not be regulated and controlled, and the winding quality of the battery cell is influenced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a tension swing structure, which solves the above-mentioned problems and can adjust the tension of a pole piece.

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

a tension swing structure comprises a fixing frame, a tension swing arm mechanism, a tension detection mechanism and a fixing roller, wherein the tension swing arm mechanism, the tension detection mechanism and the fixing roller are arranged on the fixing frame, and a pole piece passes through the tension detection mechanism and then is wound around the fixing roller and between the tension swing arm mechanisms alternately.

As a preferable technical scheme, the tension swing arm mechanism comprises a swing motor, a swing seat and a swing roller, the swing roller is arranged on the swing seat, and the swing motor drives the swing seat to rotate.

As a preferred technical solution, the tension swing arm mechanism further includes a hysteresis clutch, and the hysteresis clutch is disposed between the swing motor and the swing seat.

As a preferred technical scheme, the tension swing arm mechanism further comprises a coupler, and the hysteresis clutch is respectively connected with the swing motor and the swing seat through the coupler.

As a preferred technical solution, the tension swing arm mechanism further includes a potentiometer, and the potentiometer is disposed on the swing seat.

As a preferable technical solution, the tension detecting mechanism includes a detecting roller, a tension sensor and a tension detector, the detecting roller is fixedly arranged on the tension sensor, and the tension detector is electrically connected with the tension sensor.

The utility model has the beneficial effects that: above-mentioned tension swing structure can be through the tension of tension detection mechanism control pole piece, when pole piece tension changes, drives tension swing arm mechanism adjustment pole piece tension between the pole piece to keep the tension of pole piece invariable, make the pole piece can steadily transmit, thereby guarantee the quality that electric core was wound up.

Drawings

FIG. 1 is a schematic structural view of a tension swing structure according to the present invention;

FIG. 2 is a schematic structural diagram of a tension swing arm mechanism according to the present invention;

fig. 3 is a schematic structural view of a tension detecting mechanism according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

According to fig. 1, a tension swing structure comprises a fixed frame 1, a tension swing arm mechanism 2, a tension detection mechanism 3 and a fixed roller 4, wherein the tension swing arm mechanism 2, the tension detection mechanism 3 and the fixed roller 4 are arranged on the fixed frame 1, a pole piece a passes through the tension detection mechanism 3 and then is wound between the fixed roller 4 and the tension swing arm mechanism 2 in an alternating mode, the tension detection mechanism 3 can detect the tension of the pole piece a in the transmission process, when the tension detection mechanism 3 detects that the tension of the pole piece a changes, the tension swing arm mechanism 2 drives the pole piece a to be close to or away from the fixed roller 4 so as to reduce or enhance the tension of the pole piece a, the tension of the pole piece a is ensured to be constant, and the pole piece a can run stably.

As shown in fig. 2, the tension swing arm mechanism includes a swing arm support 29, a swing motor 21, a swing seat 22, a swing roller 23, a first coupler 24, a hysteresis clutch 25, a second coupler 26, a hysteresis clutch controller 27 and a potentiometer 28, which are disposed on the swing arm support 29, the swing motor 21 is connected to the hysteresis clutch 25 through the first coupler 24, the hysteresis clutch 25 is connected to the swing seat 22 through the second coupler 26, the potentiometer 28 and the swing roller 23 are disposed on the swing seat 22, the pole piece a passes through the tension detection mechanism 3 and then alternately passes through the fixed roller 4 and the swing roller 23, the fixed roller 4 and the swing roller 23 are respectively provided in plural numbers, so that a large adjustment amount can be achieved by moving the swing roller 23 for a small distance, the hysteresis clutch controller 27 is electrically connected to the hysteresis clutch 25, the hysteresis clutch controller 27 receives parameters to control the output torque of the hysteresis clutch 25, the swing motor 21 drives, the swing seat 22 swings to drive the swing roller 23 to get close to or get away from the fixed roller 4, thereby adjusting the tension of the pole piece a, and the potentiometer 28 can accurately record the swing track of the swing roller 23.

According to fig. 3, the tension detection mechanism 3 includes a detection connection plate 31, a detection roller 32, a tension sensor 33 and a tension detector 34, the detection roller 32 is fixed on the tension sensor 33, the tension sensor 33 is fixed on the fixing frame 1 through the detection connection plate 31, the tension detector 34 is electrically connected with the tension sensor 33, when the pressure of the detection roller 32 applied by the pole piece a increases or decreases, the tension sensor 33 generates an electric signal and sends the electric signal to the tension detector 34, the tension detector 34 sends the electric signal to the tension swing arm mechanism 2, and the tension swing arm mechanism 2 drives to control the tension of the pole piece a.

In the tension swing structure, when the pressure of the pole piece a on the detection roller 32 is increased or decreased, the tension sensor 33 generates an electric signal and sends the electric signal to the tension detector 34, the tension detector 34 sends the electric signal to the PLC control module, the PLC control module sends a control signal to the hysteresis clutch controller 27 to control the output torque of the hysteresis clutch 25, the swing motor 21 drives the swing seat 22 to swing so as to drive the swing roller 23 to be close to or far from the fixed roller 4, and thus the tension of the pole piece a is adjusted.

The above-described embodiments are merely preferred examples of the present invention, and not intended to limit the scope of the utility model, so that equivalent changes or modifications in the structure, features and principles of the utility model described in the claims should be included in the claims.

Claims

1. The utility model provides a tension swing structure, its characterized in that, including the mount and locate tension swing arm mechanism, tension detection mechanism and fixed roll on the mount, the pole piece passes through behind the tension detection mechanism, alternately around roll up in the fixed roll with between the tension swing arm mechanism.

2. The tension swing structure according to claim 1, wherein the tension swing arm mechanism comprises a swing motor, a swing seat and a swing roller, the swing roller is disposed on the swing seat, and the swing motor drives the swing seat to rotate.

3. A tension swing structure as claimed in claim 2, wherein the tension swing arm mechanism further comprises a hysteresis clutch, and the hysteresis clutch is disposed between the swing motor and the swing seat.

4. A tension swing structure as defined in claim 3, wherein the tension swing arm mechanism further comprises a coupling, and the hysteresis clutch is connected to the swing motor and the swing base via the coupling, respectively.

5. A tension swing structure as claimed in claim 2, 3 or 4, wherein the tension swing arm mechanism further comprises a potentiometer, and the potentiometer is arranged on the swing seat.

6. The tension swing structure according to claim 5, wherein the tension detecting mechanism includes a detecting roller, a tension sensor, and a tension detector, the detecting roller is fixed to the tension sensor, and the tension detector is electrically connected to the tension sensor.