中国塑料 ›› 2021, Vol. 35 ›› Issue (6): 100-105.DOI: 10.19491/j.issn.1001-9278.2021.06.016

• 机械与模具 • 上一篇     下一篇

动定模开模方向斜抽芯注塑模具设计

刘庆东( )   

  1. 广州工程技术职业学院机电工程学院,广州 510075
  • 收稿日期:2020-12-30 出版日期:2021-06-26 发布日期:2021-06-23

Design of Injection Mould with Oblique Core⁃pulling on Both Sides of Moving and Fixed Molds along Mold Opening Diagonal Direction

LIU Qingdong()   

  1. ——(Department of Mechanical and Electrical Engineering,Guangzhou Institute of Technology,Guangzhou 510075,China )
  • Received:2020-12-30 Online:2021-06-26 Published:2021-06-23
  • Contact: LIU Qingdong E-mail:lqd64@hotmail.com

摘要:

针对汽车塑料件的结构特点和技术要求,设计了一种可实现动定模开模方向斜抽芯的模具,解决了塑料件上与开模方向不平行的阶梯孔的抽芯脱模难题。模具在定模一侧设计了面板与A板可分离的二次抽芯机构,在动模一侧设计了B板与托板可分离的抽芯机构。为了配合抽芯,同时设计了顺序定距分型机构和顶针板随行机构。该模具经过试模,满足生产要求,现已投入批量生产。

关键词: 注塑, 模具, 斜抽芯, 二次抽芯机构, 顺序定距分型机构, 顶针板随行机构

Abstract:

According to the structural characteristics and technical requirements of automotive plastic parts, we designed a mold with oblique core?pulling on the both sides of moving and fixed molds along the mold opening diagonally direction. This design resolved the problem that the core?pulling and demolding of the stepped hole was not parallel to the mold opening direction. The mould was designed with a two?step core?pulling mechanism equipped with a separable top clamp plate with the A plate on the fixed mold and a core?pulling mechanism equipped with a separable B plate with the support plate on the moving mould. Meanwhile, a sequential distance parting mechanism and an accompanying mechanism for the ejector were designed. The mold has been tested to meet the production requirements and has been applied for the mass production.

Key words: injection, mold, oblique core?pulling, two?step core?pulling mechanism, sequential distance parting mechanism, accompanying mechanism for ejector

中图分类号: 

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