Reverse impact extrusion device manufacturing rechargeable battery shell and manufacturing method

A battery case, impact extrusion technology, applied in the direction of manufacturing tools, battery pack parts, metal extrusion dies, etc., can solve the problems of high production cost, long processing time, etc., to reduce the failure rate and uniform tensile stress , the effect of stable manufacturing

Active Publication Date: 2015-07-22
SAMSUNG SDI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Metal housings are traditionally formed by a deep drawing process, which involves multiple drawing processes, resulting in high production costs and long processing times

Method used

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  • Reverse impact extrusion device manufacturing rechargeable battery shell and manufacturing method
  • Reverse impact extrusion device manufacturing rechargeable battery shell and manufacturing method
  • Reverse impact extrusion device manufacturing rechargeable battery shell and manufacturing method

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Embodiment Construction

[0029] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown.

[0030] As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention.

[0031] Throughout the specification and drawings, like reference numerals refer to like elements.

[0032] figure 1 is an exploded perspective view of a reverse impact extrusion device according to a first exemplary embodiment of the present invention, figure 2 is a front view of the reverse impact extrusion device according to the first exemplary embodiment of the present invention.

[0033] refer to figure 1 and figure 2 , the reverse impact extrusion device according to the first exemplary embodiment of the present invention includes a punch 20 having a mold clamping portion 21 protruding outward from eac...

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PUM

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Abstract

The invention discloses a reverse impact extrusion device manufacturing a rechargeable battery shell and a manufacturing method. The reverse impact extrusion device according to the example embodiment comprises a puncher pin with mold clamping parts protruding outward from bottom sides, and a die forming a tray inserted into a groove in the die. Walls are formed to enable central parts of the walls are higher than side ends of the walls.

Description

technical field [0001] The described technology generally relates to a reverse impact extrusion device for manufacturing rechargeable battery housings and a manufacturing method using the device. Background technique [0002] A rechargeable battery differs from a primary battery in that it can be repeatedly charged and discharged, whereas the latter cannot be recharged. [0003] Low-capacity rechargeable batteries are used in small portable electronic devices such as mobile phones, notebook computers, and camcorders, while high-capacity rechargeable batteries can be widely used as power sources for driving electric motors of hybrid vehicles and the like. [0004] In addition, a high-capacity battery module generally includes a plurality of rechargeable batteries connected in series, and the rechargeable batteries may be formed in a cylindrical or prismatic shape. [0005] Such rechargeable batteries typically have a cylindrical or prismatic metal case. [0006] Traditional...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/02B21D37/10H01M50/103H01M50/209H01M50/244H01M50/249
CPCB21D37/10H01M50/10Y02E60/10B21C23/186B21C25/02B21C23/20
Inventor 郑德镇张荣振
Owner SAMSUNG SDI CO LTD
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