Low pressure injection molding method for battery buckle embedded copper sheet

A technology of low-pressure injection molding and copper embedding, which is applied in the manufacture of primary batteries, secondary batteries, battery pack components, etc., can solve problems such as battery buckle breakage, buckle 41 strength that cannot meet the test requirements for drop, etc., to achieve enhanced The effect of intensity

Inactive Publication Date: 2009-12-30
SUNWODA ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the battery has a structure with a large force such as an exposed buckle, the low-pressure injection molding process is used for direct injection molding, and the battery buckle will break during a test such as dropping, and the strength of the buckle 41 cannot meet the test requirements for dropping (such as figure 1 shown)

Method used

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  • Low pressure injection molding method for battery buckle embedded copper sheet
  • Low pressure injection molding method for battery buckle embedded copper sheet
  • Low pressure injection molding method for battery buckle embedded copper sheet

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Embodiment Construction

[0015] Below in conjunction with accompanying drawing, the present invention is explained in more detail.

[0016] The present invention provides a low-pressure injection molding method for embedded copper sheets in battery buckles, comprising the following steps:

[0017] First, the sheet metal is formed into a preset snap shape, such as figure 2 As shown, the metal sheet adopted in the present invention is copper sheet 1. Obviously, the copper sheet can also be replaced by other other metal sheets with certain strength, such as aluminum alloy sheet; the formed multi-metal sheet is welded on the PCB board of the battery 2; and weld the PCB board 2 and the electric core 3 together (see image 3 ), put it into the injection mold, and adopt the low-pressure injection molding process to form (such as Figure 4 ), the plastic is attached to the metal sheet to form a buckle 4. In the present invention, the low-pressure injection molding process uses an injection pressure of 1.5...

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PUM

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Abstract

The invention discloses a low pressure injection molding method for a battery buckle embedded copper sheet, which comprises the following steps: molding a metal sheet into a preset buckle shape; welding the molded metal sheet on a PCB of a battery; and spot-welding the PCB and a battery cell together, placing into an injection mold, and molding by adopting a low pressure injection molding process to obtain a semi-finished product of the battery. The method has the advantages of greatly increasing the strength of the battery buckle, guaranteeing sufficient strength of the battery buckle and meeting the requirement of test, such as falling off of the battery by embedding the copper sheet into the battery buckle and then performing low pressure injection molding; and the battery manufactured by the method has the advantages of insulation, temperature resistance, shock resistance, vibration reduction, moisture prevention, water prevention, dust prevention, chemical corrosion resistance, and the like.

Description

technical field [0001] The invention relates to a low-pressure injection molding method for copper sheets embedded in battery buckles. Background technique [0002] At present, the plastic material used in most low-voltage injection molding batteries is low-temperature hot-melt adhesive, and the hardness of low-temperature hot-melt adhesive is lower than that of ordinary plastic materials. If the battery has a structure with a large force such as an exposed buckle, the low-pressure injection molding process is used for direct injection molding, and the battery buckle will break when it is dropped or other tests, and the strength of the buckle 41 cannot meet the test requirements for dropping (such as figure 1 shown). Contents of the invention [0003] The technical problem to be solved by the invention is to provide a low-pressure injection molding method of copper sheet embedded in the battery buckle which can enhance the strength of the battery buckle. [0004] The tec...

Claims

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Application Information

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IPC IPC(8): H01M10/04H01M6/00H01M2/00H01M2/10
CPCY02E60/12Y02E60/10Y02P70/50
Inventor 赵红丹
Owner SUNWODA ELECTRONICS
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