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Inverted hook formation structure and formation method of product

A technology for forming structures and products, applied in the direction of coating, etc., can solve the problems of normal demoulding, products can not be demolded normally, etc.

Pending Publication Date: 2019-08-23
SUZHOU MITAC PRECISION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the metal part 10 is placed in the mold, the plastic part 12 is injection molded, and after the injection molding of the plastic part 12 is completed, due to the existence of the barb 14, the product 10 cannot be demoulded normally
[0006] In view of this, it is necessary to develop an undercut forming structure and a forming method of the product to solve the above-mentioned problem that the product cannot be demolded normally due to the existence of the undercut

Method used

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  • Inverted hook formation structure and formation method of product
  • Inverted hook formation structure and formation method of product
  • Inverted hook formation structure and formation method of product

Examples

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Embodiment Construction

[0030] see Figure 2 to Figure 5 shown, where figure 2 A schematic diagram showing the undercut molding structure of the product of the present invention, image 3 An exploded schematic view of the undercut molding structure of the product of the present invention is shown, Figure 4 A schematic diagram showing the forming of the undercut forming structure of the product of the present invention, Figure 5 A schematic diagram of the undercut forming structure of the product of the present invention in the mold is shown.

[0031] In a preferred embodiment, the undercut forming structure of the product of the present invention is applied in a mold, and the product 10 can be a part of an automobile, and the product 10 is a combination of a metal part 11 and a plastic part 12, so The plastic part 12 has a cylindrical structure 13, the outer ring of the cylindrical structure 13 is provided with a barb 14, and the barb forming structure of the product includes:

[0032] Two ins...

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Abstract

The invention relates to an injection molding mould structure, in particular to an inverted hook formation structure and formation method of a product. The inverted hook formation structure of the product comprises two plugs, wherein the two plugs are arranged on a metal piece, are oppositely arranged and are mutually connected with each other; the inner walls of the combined two plugs are matchedwith a cylindrical shaped structure of a plastic plastic rubber piece; and a glue inlet hole is formed in the tops of the two plugs and communicates with a glue inlet flowing channel of a mould. According to the inverted hook formation structure and formation method of the product disclosed by the invention, the product can be normally demoulded, and demoulding of the product cannot be affected because of an inverted hook.

Description

[0001] 【Technical field】 [0002] The invention relates to an injection mold structure, in particular to an undercut forming structure and a forming method of a product. [0003] 【Background technique】 [0004] Due to the rise of the automobile industry, more and more magnesium parts are overmolded, that is, the product is a combination of metal parts and plastic parts. When molding such products, it is necessary to embed metal parts into the injection mold first, that is, the metal parts are inserts, and then injection mold plastic parts on the metal parts. [0005] see figure 1 , which depicts a schematic diagram of a product. The product 10 is a combination of a metal part 11 and a plastic part 12 , and the plastic part 12 of the product 10 has a cylindrical structure 13 , and the outer ring of the cylindrical structure 13 is provided with a barb 14 . After the metal part 10 is placed in the mold, the plastic part 12 is injection molded, and after the injection molding of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/14B29C45/44
CPCB29C45/14B29C45/44
Inventor 邓联坤
Owner SUZHOU MITAC PRECISION TECH
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