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Molding structure of mounting hole

A technology for molding and mounting holes, applied in the field of molding structures, can solve the problems of high processing difficulty, reduce product production efficiency, increase mold maintenance costs, etc., and achieve the effects of simplifying processing technology, improving production efficiency, and easy replacement.

Inactive Publication Date: 2011-11-02
SUZHOU TENGXING PRECISION MOLD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] It is difficult to process the mold for the mounting holes on the existing rubber parts, which reduces the production efficiency of the product and increases the maintenance cost of the mold

Method used

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  • Molding structure of mounting hole
  • Molding structure of mounting hole
  • Molding structure of mounting hole

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1: Combining Figure 1 to Figure 3 Describe the molded structure of the mounting hole of the present invention, figure 1 It is a partially enlarged view of the four-cavity mold of the rubber triangular gasket in the automobile door. There are several mounting hole dies 1 distributed around the cavity of the triangular gasket, and the mounting holes formed by it are used to install the triangular gasket on other connecting parts. In the molding structure of the installation hole, the upper template and the lower template are superimposed, the template is provided with a flow channel, and the lower template is provided with a number of blind holes 3 communicating with the flow channel, and the rod body part of the stud 2 passes through the blind hole 3 The through hole at the bottom, the T-shaped head of the stud 2 is stuck at the bottom of the blind hole 3, so that the stud 2 is vertically fixed in the middle of the blind hole 3, the height D2 of the stud 2 is gr...

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PUM

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Abstract

The invention discloses a molding structure of a mounting hole, and relates to the technical field of automobile molds, wherein the molding structure provided by the invention is designed for solving the problems that the moulding manufacturing difficulty of the mounting hole on the manufactured rubber piece is great, further the production efficiency of products is reduced, and the mold maintaining cost is increased. The structure provided by the invention comprises at least two laminated templates and an embedded nail; the templates are internally provided with flow channels; the templates are provided with a blind hole communicated with the flow channels; the rod body part of the embedded nail passes through a through hole at the bottom of the blind hole and is vertically fixed at the middle part of the blind hole; and the depth D1 of the blind hole is less than the depth D2 of the embedded nail. The structure provided by the invention is especially suitable for the mold production of small-diameter mounting holes of manufactured plastic products.

Description

technical field [0001] The invention relates to the technical field of automobile molds, in particular to a molding structure of a small-diameter mounting hole. Background technique [0002] In mechanical equipment, sheet-shaped rubber products that act as a seal between two static surfaces of metal flanges or other joints are collectively referred to as rubber gaskets. Buffering etc. [0003] The rubber triangular gasket in the car door has the above-mentioned purpose. There are a number of mounting holes distributed around the rubber triangular gasket, so that it can be fixed on other connecting parts by screws. The mold of producing triangular spacer in the prior art (referring to figure 1 ), in order to manufacture the mounting hole on the gasket, the mounting hole die 1 is usually a blind hole 3 with a boss 4 processed inside the template (see figure 2 ), but due to the small diameter of the installation hole of the triangular gasket, the boss 4 in the mold is easil...

Claims

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Application Information

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IPC IPC(8): B29C45/26B29C33/44
Inventor 那仓孝行
Owner SUZHOU TENGXING PRECISION MOLD