摘要
分析了某仪表外壳的外观要求和结构特点,设计了其注射模,通过采用倒装结构和热流道避免了塑件成型时潜在缺陷的产生,提高了塑件表面质量。通过使用液压缸活塞杆推出机构,解决了开模后塑件留在定模的脱模难点,同时介绍了侧向抽芯、冷却系统等的设计要点。实践证明,模具工作可靠,塑件成型质量稳定。
The appearance requirements and structural characteristics of an instrument shell were analyzed, and the injection mould was designed. The plastic defects were avoided by using the inverted structure and hot runner system, and the surface quality of the plastic parts was improved. It solved the demoulding difficulty after opening the mould by using the hydraulic cylinder. At the same time, the design points of side core-pulling and cooling system were described. The practice showed that the mould operated reliably and the quali- ty of the plastics was stable.
作者
何延辉
HE Yan-hui(Nanjing Institute of Industry Technology,Nanjing,Jiangsu 210023,China)
出处
《模具工业》
2018年第7期48-50,55,共4页
Die & Mould Industry
基金
江苏高校品牌专业建设工程资助项目(PPZY2015A087)
关键词
热流道
倒装
内滑块
液压缸
仪表外壳
hot runner
inverted structure
inner slider
hydraulic cylinder
