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Guide structure for propping block connecting rod

A guiding structure and connecting rod technology, applied in the field of injection molds, can solve the problems affecting the mold processing cycle, easy eccentricity of the ejector pin hole, complicated processing procedures, etc., and achieve the effect of reducing the mold processing cycle, improving the quality of injection molding products, and simple processes

Pending Publication Date: 2018-10-16
CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Ordinary ejector pins have processing difficulties, complicated processing procedures, and time-consuming, and the ejector pin hole is easy to eccentric during wire cutting, which leads to problems such as two or more ejector block lines in the product and ejector pins are easy to pull, which affects the mold processing cycle. Rod life, and even affect product quality

Method used

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  • Guide structure for propping block connecting rod
  • Guide structure for propping block connecting rod
  • Guide structure for propping block connecting rod

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] This embodiment proposes a guiding structure for the connecting rod of the jacking block, such as figure 1 As shown, it includes a jacking body 1, a first screw 2, a retaining spring 3, a guide sleeve 4, a push rod 5 and a second screw 6, and the head of the ejector rod 5 is equipped with a jacking body 1, through which the first screw 2 Fastening; the head of the ejector rod 5 is provided with a straight surface in the installation area of ​​the ejector body 1; the front end of the ejector rod 5 is provided with a guide sleeve 4;

[0020] Such as figure 2 , 3 As shown, the ejector rod 5 is located in the movable mold core 8 and is kept out of the air. The tail of the ejector rod 5 cooperates with the ejector pin base plate 9 and the ejector pin panel 10 of the injection molding machine, and is fastened by the second screw 6. The tail of the e...

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Abstract

The invention discloses a guide structure for a propping block connecting rod, and relates to the field of dies. The guide structure for the propping block connecting rod comprises a propping block body, a clamping spring, a guide sleeve and a propping rod, wherein the propping block body is mounted at a head part of the propping rod; a straight surface is arranged in a mounting area of the head part of the propping rod and the propping block body; the guide sleeve sleeves the front end of the propping rod; and the guide sleeve is compressed through the clamping spring at the head part of theguide sleeve. According to the guide structure for the propping block connecting rod, the propping rod moves together with an ejector plate while die opening, and the guide sleeve used for guiding ispressed through the clamping spring; the guide sleeve is manufactured through copper-carbon alloy and is capable of lubricating, so that the propping rod can be prevented from galling, and the servicelife of the propping rod is prolonged; defects such as that a plurality of propping block lines are formed in the product due to eccentricity of the propping rod can be decreased, and thus the quality of an injection molding product is improved.

Description

technical field [0001] The invention relates to the field of molds, in particular to a guide structure for a connecting rod of a top block, which is suitable for injection molds. Background technique [0002] At the current stage of the rapid development of the mold industry, people are trying to innovate a more reliable and effective mold structure, which can realize the smooth demoulding of the product, and at the same time minimize the defect of the product. The top block is a frequently used structure in the mold design. The use of the top block makes the mold structure more abundant, and the mold tends to be more high-end. [0003] Ordinary ejector pins have processing difficulties, complicated processing procedures, and time-consuming, and the ejector pin hole is easy to eccentric during wire cutting, which leads to problems such as two or more ejector block lines in the product and ejector pins are easy to pull, which affects the mold processing cycle. Rod life, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/40
CPCB29C45/401
Inventor 孙中秋陈春来
Owner CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYST
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