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Trapezoidal battery cell winding device and method

A winding device and cell technology, which is applied in the direction of circuits, electrical components, primary batteries, etc., can solve the problems that the winding processing of cells with convex steps cannot be realized, and achieve the effect of winding processing

Active Publication Date: 2016-11-23
DONGGUAN ARECONN PRECISION MACHINERY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing winding unit structure can only be applied to winding rectangular or cylindrical cells, and cannot realize the winding process of cells with convex steps

Method used

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  • Trapezoidal battery cell winding device and method
  • Trapezoidal battery cell winding device and method
  • Trapezoidal battery cell winding device and method

Examples

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Embodiment Construction

[0021] The preferred embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings of this specification.

[0022] The present invention proposes a winding method for a trapezoidal electric core. The first winding needle pair and the second winding needle pair that are located adjacent to each other and cooperate with each other are arranged. During the winding process of the electric core, the first winding needle pair is first independently Push out to the winding position for the first stage of winding, and then push the second needle pair to the winding position to merge with the first needle pair to perform the second stage of winding. In some embodiments, after the second stage of winding is completed, the first needle pair is retracted first to exit the winding position, and the second needle pair is retracted second to exit the winding position. In some other embodiments, after the second stage of winding i...

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Abstract

The invention relates to a trapezoidal battery cell winding device and method. The device comprises a winding unit used for completing primary winding forming of a battery cell, and the winding unit comprises a first winding needle pair and a second winding needle pair which are adjacent and matched; in the winding process of the battery cell, the first winding needle pair is independently pushed out to the winding position for winding in the first stage, and then the second winding needle pair is pushed out to the winding position and combined with the first winding needle pair for winding in the second stage. The winding treatment on the battery cell with a convex step can be achieved well.

Description

technical field [0001] The invention relates to a processing equipment and method of a trapezoidal battery, in particular to a trapezoidal battery winding device and method. Background technique [0002] An existing electric core winding device includes a vertical plate, an overturning mechanism mounted on the vertical plate, and a plurality of winding units mounted on the overturning mechanism. These winding units can cooperate with the feeding mechanism and the reclaiming mechanism to wind the normal positive electrode sheet and separator combination, negative electrode sheet and separator combination conveyed through the feeding mechanism, and the wound battery cores can be rewound Institutions take it away. Wherein, each winding unit includes a needle pair consisting of two winding needles, and the needle pair adopts a single-side extension / withdrawal action to enter / exit the winding position. The existing winding unit structure is only suitable for winding rectangular...

Claims

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Application Information

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IPC IPC(8): H01M10/04H01M6/00
CPCY02E60/10Y02P70/50
Inventor 赵伟
Owner DONGGUAN ARECONN PRECISION MACHINERY
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