膨胀塑料钉延时抽芯注塑模设计  

Injection mold design for dilatant plastic nail with delayed core loosing structure

作　　者：曹驰[1,2] 郝远[1] 刘伟国[2] 刘洪军[1] 

机构地区：[1]兰州理工大学甘肃省有色金属新材料省部共建国家重点实验室,甘肃兰州730050 [2]长风机器厂,甘肃兰州730070

出　　处：《模具技术》2009年第2期12-14,共3页Die and Mould Technology

基　　金：甘肃省科技支撑项目(0708GKCA057);兰州理工大学博士基金项目(SB01200414)

摘　　要：分析了建筑用膨胀塑料钉结构特点和工艺特性,进行了模具浇注系统、模具型腔、延时抽芯机构、水路的设计,叙述了模具的工作原理。提出了一种简单易用的延时抽芯机构,比通常利用弯销延时抽芯结构更简单,更易加工。结果表明,此结构运行安全可靠,自动化程度高,加工方便,能够满足塑件批量生产的要求。The structural and processing characteristics of the plastic dilatant nail,which was used in architectures,were analyzed.The gating system,cavity,delayed core-loosing structure and water circuit system of the injection mold were designed.And the mold s working principle was also introduced.A delayed core-loosing structure was presented,which was simpler and easier to machine than the usually used bending pin structure.Practice shows that the structure for the injection mold is safe,reliable,automatic,easy t...

关 键 词：注塑模 延时抽芯 膨胀塑料钉 

分 类 号：TQ320.5[化学工程—合成树脂塑料工业]