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Composite rolling device for processing battery pole piece

A rolling device and battery pole piece technology, which is applied in electrode rolling/calendering, electrode manufacturing, etc., can solve the problems of poor quality of pole pieces, and achieve the effects of improving pass rate, high pressing precision, and good product consistency

Pending Publication Date: 2022-05-17
青岛奥博智能科技有限公司
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AI Technical Summary

Problems solved by technology

[0007] The invention aims at solving the problem of low quality of rolling the welded pole pieces in the prior art, and designs a composite rolling device for processing battery pole pieces

Method used

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  • Composite rolling device for processing battery pole piece
  • Composite rolling device for processing battery pole piece
  • Composite rolling device for processing battery pole piece

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Embodiment Construction

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] see Figure 1-3 , the present invention provides a technical solution, a composite rolling device for processing battery pole pieces, including a telescopic cylinder 300 and a pressure wheel 200, and also includes: an outer shell 100, a pressure sensor 400, a support frame 500, a rotating hand wheel 600 and The sliding block 700, the top of the telescopic cylinder 300 is vertically and fixedly connected to the middle position of the top surface of the i...

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Abstract

The invention relates to the technical field of battery pole piece rolling devices, and particularly discloses a composite rolling device for processing a battery pole piece. The top end of a telescopic cylinder is connected to the top surface of an inner cavity of an outer shell, a pressure sensor is connected to the telescopic end of the telescopic cylinder, and the top surface of a supporting frame is connected with the pressure sensor; the two ends, penetrating through the bottom of the outer shell, of the supporting frame are provided with connecting bases respectively, the two ends of a pressing wheel rotating shaft are rotationally connected to the inner sides of the connecting bases in a sleeved mode, a wedge-shaped plate is arranged at the top of an inner cavity of the supporting frame, and the positions, close to the two ends, of the inner end of a rotating hand wheel and a lead screw are rotationally connected with the side wall of the outer shell in a sleeved mode respectively. A supporting plate is fixedly connected to the upper surface of the sliding block, rollers are rotationally installed at the two ends of the front face and the back face of the supporting plate respectively, and the connecting line of the centers of the two rollers located on the front face of the supporting plate and the connecting line of the centers of the two rollers located on the back face of the supporting plate are parallel to the bottom face of the wedge-shaped plate; the problem that the quality of rolling the welded pole piece is not high is solved.

Description

technical field [0001] The invention relates to the technical field of battery pole piece rolling devices, in particular to a composite rolling device for processing battery pole pieces. Background technique [0002] The battery electrode sheet material is made of one base material and two layers of foil through ultrasonic welding. The base material is a coated strip with a special coating in the middle. The thickness of the coated area is 60-200um, and the thickness of the uncoated area is 3-13um, base material width ranging from 100-500mm; foil thickness 6-12um, width 4.5-50mm, three-layer material after ultrasonic welding, the theoretical thickness is 15-37um, due to the needs of the welding process, the surface after welding has Mesh texture, so the actual thickness after welding varies greatly due to different welding processes; among them, the uneven texture of the pole piece will seriously affect the quality of the battery, so the welding texture needs to be flattened...

Claims

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Application Information

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IPC IPC(8): B21D1/02H01M4/04
CPCB21D1/02H01M4/0435
Inventor 程继国李进进马家凯郭念伟王泽民
Owner 青岛奥博智能科技有限公司
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