轿车左前灯灯座本体注塑模具结构设计  

Structure Design of Injection Mold for Left Headlight Holder of Cars

作　　者：吴晋 李国富[1,2] 邱梦宁 王正才 兰浩[1,2] Wu Jin;Li Guofu;Qiu Mengning;Wang Zhengcai;Lan Hao(School of Mechanical Engineering and Mechanics, Ningbo University, Ningbo 315211, China;Zhejiang Key Laboratory of Parts Rolling and Forming Technology, Ningbo 315211, China;Ningbo Polytechnic, Ningbo 315800, China)

机构地区：[1]宁波大学机械工程与力学学院,浙江宁波315211 [2]浙江省零件轧制成形技术研究重点实验室,浙江宁波315211 [3]宁波职业技术学院,浙江宁波315800

出　　处：《工程塑料应用》2017年第10期70-75,共6页Engineering Plastics Application

基　　金：国家创新训练项目(201611646014);浙江省新苗人才计划(2015R405072);宁波市自然科学基金项目(2015A610150;2014A610080)

摘　　要：结合轿车左前灯灯座本体产品的结构特点,设计了适用于该产品的两次分型热流道两板注塑模具。应用CAE分析及模具机构设计经验,产品采用4浇口潜伏式浇注方式。针对难加工问题,采用镶件镶拼方式以减小加工难度;针对脱模难问题,则分别设计了不同类型的侧抽芯脱模机构,特别是中央斜孔的脱模,采用三次变向驱动斜抽芯脱模机构创新设计,降低了斜孔抽芯机构设计的难度,缩减了模具结构设计尺寸,有效地节约了模具设计制造成本,机构简单、可靠,为同类斜向特征的脱模机构设计提供了有益参考。According to the structural characteristics of the left headlight holder of car,a twice parting hot runner injection mold with two plates was designed.By using the CAE analysis and the design experience of the die and mold,the4gate submarine pouring method was adopted.For difficult processing problems,the insert inlaid way is used to reduce the difficulty of processing.Aiming at the difficult problem of demoulding,the different types of side core pulling mechanism are designed,especially the central hole stripping,the innovative design of demoulding mechanism with oblique pulling core driven by three times steering is used,the design difficulty of inclined hole core pulling mechanism is reduced,the mold structure design size is reduced,the cost of mold design and manufacture is effectively saved.The mechanism is simple and reliable,it provides a useful reference for the design of ejection mechanism with similar oblique features.

关 键 词：轿车车灯 热流道 注塑模具 机构设计 脱模 

分 类 号：TQ325.14[化学工程—合成树脂塑料工业]