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Necking device

A technology of necking and shell mouthing, which is applied in the field of necking devices, can solve the problems of low quality of the necking of the battery steel shell shell mouth and easy occurrence of pinch marks or wrinkles on the shell mouth of the battery steel shell, so as to achieve consistent shrinkage and avoid Nip marks or creases, high neck quality effects

Pending Publication Date: 2019-11-08
WUXI LEAD INTELLIGENT EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional necking device only directly pushes the battery steel case to shrink the battery steel case through the necking piece set outside the mouth of the battery steel case, resulting in pinch marks or wrinkles easily appearing at the mouth of the battery steel case Neck quality is low

Method used

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Embodiment Construction

[0023] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are part of the implementation of the present invention. example, not all examples. 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. In the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0024] In order to solve the technical problem of low quality of the necking of the battery steel shell mouth in the prior art, an embodiment of the present invention provides a necking device. The shrinking device includes a material holding component, ...

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Abstract

The invention relates to the technical field of battery production equipment and discloses a necking device. The necking device comprises a material holding assembly, a guiding assembly and a neckingpart and a limiting part. The material holding assembly is used for mounting a battery shell. The limiting part is arranged in the necking part, and the necking part and the limiting part are arrangedopposite to the material holding assembly. The guiding assembly is connected to the necking part and the limiting part for guiding the necking part and the limiting part to move toward the material holding assembly, so that the end part, close to the material holding assembly, of the limiting part can stretch into the battery shell mounted on the material holding assembly and the necking part necks a shell aperture of the battery shell. In this way, the necking quality of the shell aperture of the batter shell can be improved.

Description

technical field [0001] The invention relates to the technical field of battery production equipment, in particular to a necking device. Background technique [0002] In the production process of cylindrical batteries, it is necessary to shrink the opening of the steel shell of the cylindrical battery, that is, to reduce the diameter of the opening of the steel shell of the battery, so as to avoid the internal structure of the steel shell of the battery, such as the battery core, etc. from falling out of the shell. . However, the traditional necking device only directly pushes the battery steel case to shrink the battery steel case through the necking piece set outside the mouth of the battery steel case, resulting in pinch marks or wrinkles easily appearing at the mouth of the battery steel case Neck quality is lower. Contents of the invention [0003] In view of this, the technical problem mainly solved by the present invention is to provide a necking device, which can ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D41/04B21D43/00
CPCB21D41/04B21D43/003
Inventor 不公告发明人
Owner WUXI LEAD INTELLIGENT EQUIP CO LTD
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