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Injection mold and method for manufacturing shell by using same

A technology for injection molds and shells, applied in applications, household components, household appliances, etc., can solve the problems of cumbersome processing steps and increase manufacturing costs, and achieve the effect of saving processing time and improving processing efficiency.

Inactive Publication Date: 2009-09-16
SHENZHEN FUTAIHONG PRECISION IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the shearing process, punching jigs or other cutting tools are required to shear the soft layer, which not only makes the processing steps cumbersome, but also increases the manufacturing cost

Method used

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  • Injection mold and method for manufacturing shell by using same
  • Injection mold and method for manufacturing shell by using same
  • Injection mold and method for manufacturing shell by using same

Examples

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Embodiment Construction

[0020] Please also refer to figure 1 and figure 2 , the injection mold 10 of the preferred embodiment of the present invention is used to manufacture a casing 90 , and the casing 90 includes a base 92 and a soft layer 94 covering the surface of the base 92 .

[0021] The injection mold 10 includes a female mold 20 and a male mold 40 matched with the female mold 20 .

[0022] The female mold 20 includes a joint surface 22 opposite to the male mold 40, a mold cavity 24 is recessed on the joint surface 22, and a plurality of suction ducts 26 are provided on the surface of the mold cavity 24, and the plurality of suction ducts 26 through the master mold 20 . A narrow and long receiving groove 28 is respectively defined on the joint surface 22 adjacent to the two ends of the mold cavity 24 .

[0023] The male mold 40 includes a coupling surface 42 opposite to the female mold 20 , a protrusion 44 protrudes from the coupling surface 42 , and a channel 46 runs through the male mol...

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PUM

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Abstract

The invention provides an injection mold, which comprises a female die and a male die matching with the female die; and one of the female die and the male die is provided with a cut part, the other is provided with an accommodating groove to accommodate the cut part. The injection mold can cut off redundant soft layers to carry out injection molding during die compound of the female die and the male die so as to leave out the follow-up step of cutting the soft layers by a die cutting fixture or other cutting tools, thereby greatly saving the processing time and improving the processing efficiency.

Description

technical field [0001] The invention relates to an injection mold and a method for manufacturing a casing by using the same, in particular to an injection mold and a method for manufacturing a casing with a soft layer by using the injection mold. Background technique [0002] The housing is one of the main components of an electronic device, and it is widely used in electronic devices such as telephones, computers, and game machines. Since the material of the molded product itself has many advantages such as light weight, low cost, relatively simple processing technology, and corrosion resistance, most electronic devices use molded products formed by injection molding as their housings, such as plastics for manufacturing housings. s material. [0003] In order to further make the shell have a good sense of touch, a soft layer made of leather, fabric, etc. is used as the outermost layer of the shell in the prior art. In the process of manufacturing the shell, the soft layer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/26B29C45/34B29C45/14B29L31/00
CPCB29C2045/14188B29C45/14221
Inventor 吴焜灿田力维洪传宝
Owner SHENZHEN FUTAIHONG PRECISION IND CO LTD
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