键顶成型工艺分析与注射模设计  

Forming process analysis and injection mold design of the key-top

作　　者：孟少明[1] 聂慧萍 陈晨[1] MENG Shaoming;NIE Huiping;CHEN Chen(Hunan Chemical Vocational Technical College, Zhuzhou 412004, CHN;AVIC South Aviation Industry Limited Corporation,Zhuzhou 412000,CHN)

机构地区：[1]湖南化工职业技术学院,湖南株洲412004 [2]中航工业南方航空工业(集团)有限公司,湖南株洲412000

出　　处：《制造技术与机床》2019年第5期33-36,共4页Manufacturing Technology & Machine Tool

基　　金：湖南省教育厅资助课题(15C0469)

摘　　要：针对某产品的键顶结构特征,进行产品成型工艺分析与排位设计。根据产品的生产批量、质量及使用要求,模具采用双分型面、滑块侧抽芯以及多点进料注射的总体结构,重点介绍了模具核心元件的结构设计以及浇注系统、冷却系统、推出机构、侧抽芯机构结构形式的选择。通过试模检验,塑件外观光滑、美观,模具动作灵活、可靠。According to the characteristics of the top structure of a product, analyze and design the product forming process,, According to the production quantity, quality and service requirements, mold with double parting surface, slider side core pulling and multi-gate injection, emphatically introduces the die struc- ture design and the selection of the core components of the gating system, cooling system and ejecting mechanism, the side core pulling mechanism structure,, Through the model test, the appearance of plastic parts is smooth and beautiful.

关 键 词：键顶 滑块侧抽芯 多点进料注射 结构设计 双分型面 

分 类 号：TQ320.52[化学工程—合成树脂塑料工业]