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Method for processing locating hole of product locating piece in forming mould

A processing method and a technology of positioning parts, which are applied in the direction of manufacturing tools and workshop equipment, etc., can solve problems such as waste and prolong mold repair time, and achieve the effects of improving labor productivity, avoiding returning to processing, and shortening repair time

Inactive Publication Date: 2012-01-18
HARBIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This not only causes unnecessary waste, but also prolongs the rework time of the mold

Method used

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  • Method for processing locating hole of product locating piece in forming mould
  • Method for processing locating hole of product locating piece in forming mould

Examples

Experimental program
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Embodiment Construction

[0019] The specific implementation of this method is: first make a small hole smaller than the end hole at the approximate position of the positioning piece, then make a stepped pin and press it into the positioning hole of the mold body, then fix the positioning piece at the correct position with the connecting piece, and then Fill the gap between the positioning piece and the stepped pin with epoxy resin mixture. After the glue is completely dry, remove the positioning piece, align the hole made by the mixture, and expand and bore to the required positioning. hole. It is required that the cooperation between the pin used and the positioning hole of the mold body must be excessively matched, and the mixed glue must be fully filled.

[0020] An example of this method is as follows: For example, in the manufacturing process of the side wall positioning part of a certain model, the thickness of the positioning part is 16 mm, the width is 45 mm, and the length is 120 mm. There ar...

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Abstract

The invention relates to a method for processing a locating hole of a product locating piece in a forming mould, relating to the technical field of processing of locating holes of product locating pieces in forming moulds. The method comprises the following steps of: manufacturing a small hole which is smaller than a final hole at the approximate position of the locating piece; manufacturing a step pin and pressing the step pin in the locating hole of a mould body; fixing the locating piece at the correct position by utilizing a connecting piece; filling epoxy resin mixed glue in the gap between the locating piece and the step pin; after a colloid is thoroughly dried, taking down the locating piece; centring the hole moulded by the mixed glue; and expanding the hole to form the required locating hole. According to the method for processing the locating hole of the product locating piece in the forming mould disclosed by the invention, the locating hole position of the locating piece to be repaired is taken out from the mould body; simultaneously, the bottom hole of the mould body cannot be damaged; the mould is prevented from being returned and processed again; the repairing time of the mould is shortened; and the labour production efficiency is increased.

Description

technical field [0001] The invention relates to the technical field of processing positioning holes of product positioning parts in forming molds. Background technique [0002] Due to the long-term use of many forming dies at present, most of the positioning holes, mounting holes and positioning surfaces of the product positioning parts have been worn out, and the positioning parts need to be replaced. In order to ensure the airtightness of the mold body, the positioning holes on one side of the forming template must be in the form of blind holes during manufacture. Due to frequent product changes, these positioning parts often need to be remanufactured. Most of the forming templates have a hyperboloid structure on one side. The original manufacturing is based on mold lines and templates, so the positioning holes of the remanufactured positioning parts , cannot be coordinated (concentric) with the original phantom, and cannot guarantee the use requirements of the product. H...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P6/00B25H7/00
Inventor 韩雪莲
Owner HARBIN
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