CN216711037U - Unwinding mechanism of a winder - Google Patents

Abstract

The utility model relates to an unwinding mechanism of a winding machine, which comprises a base, an unwinding device and a deviation rectifying device. The base is provided with an unwinding servo drivingly connected with the unwinding device. It is connected with the tensioning cylinder for transmission. The end of the rotating shaft is provided with an unwinding and expanding sleeve. The deviation correction device includes a deviation correction guide rail, a deviation correction motor and a deviation correction screw rod. On the rectifying guide rail, one end of the rectifying screw rod is drive-connected with the rectifying motor, and the other end is drive-connected with the fixing frame. The support performance of the shaft, and the adjustment and control of the fixing frame with the rectifying screw, under the rotation of the rectifying screw, the fixing frame can perform a reciprocating linear motion on the rectifying guide rail, so that the tensioning shaft can realize the synchronous linear rectifying adjustment movement. , to improve the accuracy of correction adjustment.

Description

Unwinding mechanism of a winder

technical field

The utility model relates to a battery production equipment, in particular to an unwinding mechanism of a winding machine.

Background technique

During the winding process of the battery cell, it is necessary to align and correct the edges of the positive and negative electrode pieces of the battery, and adjust the unwinding speed of the pole piece according to the winding speed of the battery cell. In order to overcome the error generated in the unwinding process, the existing unwinding device generally adopts the vertical unwinding method, and the tension shaft of this unwinding device is usually set as a cantilever support installation structure. During the process, it bears a large load, and high-frequency vibration is often formed when the coil is unwinding at a high speed. It is difficult to rectify the tensioning shaft directly, and the rectification effect is poor, and the unwinding accuracy and stability of the coil cannot be guaranteed.

Utility model content

In order to solve the above problems, the utility model aims to provide a battery production equipment, in particular an unwinding mechanism of a winding machine.

In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: an unwinding mechanism of a winding machine, comprising a base, an unwinding device and a deviation rectifying device, and the unwinding device and the deviation rectifying device are both installed on the base On the upper side, the base is provided with an unwinding servo drivingly connected with the unwinding device, the unwinding device includes a fixing frame and a rotating shaft arranged in the fixing frame, and the rotating shaft is connected to the fixing frame. The tensioning cylinder on the frame is connected by transmission, and the end of the rotating shaft is provided with an unwinding sleeve that rotates synchronously with it. The rectification motors are all arranged on the base, the fixing frame is slidably arranged on the rectification guide rail, one end of the rectification screw is connected with the rectification motor, and the other end is driven with the fixing frame connected, so that the fixed frame can perform a reciprocating linear motion on the deviation-correcting guide rail to achieve deviation correction through the rotational movement of the deviation-correcting screw rod.

Preferably, the rotating shaft is provided with a synchronous wheel, and the synchronous wheel is connected with the unwinding servo drive through a synchronous belt.

Preferably, a fixing seat for fixing the deviation rectifying screw is arranged between the fixing frame and the deviation rectifying motor, and the fixing seat is installed on the base.

Preferably, the fixing frame is provided with a positioning block and a transmission block, the positioning block is fixedly installed in the fixing frame, the transmission block is fixed on the positioning block by screws, and the transmission block is provided with a threaded shaft The deflection rectifying screw rod passes through the threaded shaft hole and is connected to the transmission block in a transmission manner.

Preferably, the bottom of the fixing frame is provided with a sliding block matched with the deviation rectifying guide rail, and the sliding block is slidably arranged on the deviation rectifying guide rail, so that the fixing frame can be mounted on the deviation rectifying guide rail. Sliding in a straight line.

Preferably, the bottom of the base is provided with a mounting plate, and the unwinding servo is fixedly mounted on the mounting plate.

The beneficial effects of the utility model are as follows: the utility model aims to provide an unwinding mechanism of a winding machine. The rectifying screw adjusts and controls the fixing frame. Under the rotating motion of the rectifying screw, the fixing frame can perform a reciprocating linear motion on the rectifying guide rail, so that the tensioning shaft can realize a synchronous linear rectifying adjustment movement driven by the fixing frame. Effectively enhance the strength and stability of the tensioning shaft, and improve the accuracy of correction adjustment.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the utility model.

FIG. 2 is a schematic structural diagram of the unwinding device of the present invention.

FIG. 3 is a schematic structural diagram of the deviation correction device of the present invention.

Description of the attached drawings:

1- base; 2- unwinding device; 3- rectifying device; 4- unwinding servo; 5- fixing frame; 6- rotating shaft; 7- tensioning cylinder; 8- unwinding sleeve; 9- rectifying guide rail; 10 - Offset motor; 11 - Offset screw; 12 - synchronous wheel; 13 - synchronous belt; 14 - fixed seat; 15 - positioning block; 16 - transmission block; 17 - sliding block; 18 - mounting plate.

Detailed ways

In the following description, all concepts related to the directionality or orientation of up, down, left, right, front and rear are for the position state shown in the drawing being described, so it cannot be understood It is a special limitation to the technical solution provided by the present invention.

The specific embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings:

As shown in Figures 1-3, an unwinding mechanism of a winder includes a base 1, an unwinding device 2 and a deviation rectifying device 3. The unwinding device 2 and the deviation rectifying device 3 are both installed on the base 1 Above, the base 1 is provided with an unwinding servo 4 drivingly connected with the unwinding device 2, and the unwinding device 2 includes a fixing frame 5 and a rotating shaft 6 arranged in the fixing frame 5, and the rotating The shaft 6 is drivingly connected with the tensioning cylinder 7 installed on the fixing frame 5 , the end of the rotating shaft 6 is provided with an unwinding and expanding sleeve 8 that rotates synchronously with it, and the rectifying device 3 includes a rectifying guide rail 9 , rectification motor 10 and rectification screw 11, the rectification guide rail 9 and the rectification motor 10 are all arranged on the base 1, the fixing frame 5 is slidably arranged on the rectification guide rail 9, the rectification One end of the screw rod 11 is drivingly connected to the deviation correction motor 10 , and the other end is drivingly connected to the fixing frame 5 , so that the rotation movement of the deviation correction screw rod 11 enables the fixing frame 5 to move on the deviation correction guide rail 9 . Reciprocating linear motion on the top to achieve deviation correction.

Preferably, the rotating shaft 6 is provided with a synchronizing wheel 12 , and the synchronizing wheel 12 is connected to the unwinding servo 4 through a synchronous belt 13 in a driving manner.

Preferably, a fixing seat 14 for fixing the deviation rectifying screw rod 11 is provided between the fixing frame 5 and the deviation correcting motor 10 , and the fixing seat 14 is installed on the base 1 .

Preferably, the fixing frame 5 is provided with a positioning block 15 and a transmission block 16, the positioning block 15 is fixedly installed in the fixing frame 5, and the transmission block 16 is fixed on the positioning block 15 by screws, so The transmission block 16 is provided with a threaded shaft hole, and the deflection correcting screw 11 is connected to the transmission block 16 through the threaded shaft hole.

Preferably, the bottom of the fixing frame 5 is provided with a sliding block 17 matched with the deviation-correcting guide rail 9 , and the sliding block 17 is slidably arranged on the deviation-correcting guide rail 9 so that the fixing frame 5 can Linear sliding is performed on the deviation-correcting guide rail 9 .

Preferably, the bottom of the base 1 is provided with a mounting plate 18 , and the unwinding servo 4 is fixedly mounted on the mounting plate 18 .

The utility model is an unwinding mechanism of a winder, the synchronous belt 13 is driven by the unwinding servo 4, the synchronous wheel 12 drives the rotating shaft 6 to rotate, and during the rotation of the rotating shaft 6, the front end of the rotating shaft 6 is driven The sleeves are rotated synchronously, so that the pole pieces on the tension sleeve are transported in an orderly manner to realize the unwinding operation.

Further, in the process of unwinding, when there is a movement error between the rotating shaft 6 and the tensioning sleeve, the deviation correction motor 10 will start, so that the deviation correction screw 11 arranged on the deviation correction motor 10 will rotate. 16 is threadedly connected with the correction screw 11 through the threaded hole. When the correction screw 11 rotates, the transmission block 16 moves horizontally on the correction screw 11. When the transmission block 16 moves horizontally, the fixing frame 5. Corresponding linear movement is carried out on the deviation correction guide rail 9 through the slider 17, and at the same time, the fixed frame 5 drives the rotating shaft 6 and the tensioning sleeve to perform synchronous linear movement, so as to realize the deviation correction during the unwinding process.

The above are only preferred embodiments of the present utility model, and do not limit the technical scope of the present utility model. Those skilled in the art can make some deformations and modifications under the inspiration of this technical solution. Any modifications, equivalent changes and modifications made by the technical essence of the present invention to the above embodiments still fall within the scope of the technical solutions of the present invention.

Claims (6)

1. The utility model provides an unwinding mechanism of winder which characterized in that: comprises a base, an unreeling device and a deviation correcting device, wherein the unreeling device and the deviation correcting device are both arranged on the base, the base is provided with an unwinding servo in transmission connection with the unwinding device, the unwinding device comprises a fixed frame and a rotating shaft arranged in the fixed frame, the rotating shaft is in transmission connection with a tensioning cylinder arranged on the fixed frame, the end part of the rotating shaft is provided with an unreeling and tensioning sleeve which synchronously rotates with the rotating shaft, the deviation correcting device comprises a deviation correcting guide rail, a deviation correcting motor and a deviation correcting screw rod, the deviation correcting guide rail and the deviation correcting motor are both arranged on the base, the fixing frame is slidably arranged on the deviation-rectifying guide rail, one end of the deviation-rectifying screw rod is in transmission connection with the deviation-rectifying motor, the other end of the deviation-rectifying screw rod is in transmission connection with the fixing frame, the fixed frame can perform reciprocating linear motion on the deviation rectifying guide rail through the rotary motion of the deviation rectifying screw rod to realize deviation rectification.

2. The unwinding mechanism of the winding machine as claimed in claim 1, wherein: the rotating shaft is provided with a synchronizing wheel, and the synchronizing wheel is connected with the unreeling servo transmission through a synchronous belt.

3. The unwinding mechanism of the winding machine as claimed in claim 1, wherein: and a fixed seat used for fixing the deviation rectifying screw rod is arranged between the fixed frame and the deviation rectifying motor, and the fixed seat is arranged on the base.

4. The unwinding mechanism of a winding machine according to claim 3, characterized in that: the fixing frame is provided with a positioning block and a transmission block, the positioning block is fixedly installed in the fixing frame, the transmission block is fixed on the positioning block through screws, the transmission block is provided with a threaded shaft hole, and the deviation correcting screw rod penetrates through the threaded shaft hole to be in transmission connection with the transmission block.

5. The unwinding mechanism of the winding machine as claimed in claim 1, wherein: the bottom of the fixing frame is provided with a sliding block matched with the deviation rectifying guide rail, and the sliding block can be arranged on the deviation rectifying guide rail in a sliding mode, so that the fixing frame can slide linearly on the deviation rectifying guide rail.

6. The unwinding mechanism of the winding machine as claimed in claim 1, wherein: the bottom of base is provided with the mounting panel, unreel servo fixed mounting in on the mounting panel.

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