汽车仪表板储物盒热流道大型注塑模设计

doi:10.19491/j.issn.1001-9278.2019.10.017

中国塑料 ›› 2019, Vol. 33 ›› Issue (10): 94-99.DOI: 10.19491/j.issn.1001-9278.2019.10.017

汽车仪表板储物盒热流道大型注塑模设计

冯婧¹,张维合¹,邓成林²

1. 广东科技学院机电工程学院 2. 东莞市模人科技有限公司

收稿日期:2019-05-14 修回日期:2019-06-24 出版日期:2019-10-26 发布日期:2019-10-25

Design of Large Injection Mold with Hot Runner for Instrument Panel Storage Bin of Automobile

FENG Jing¹,ZHANG Weihe¹, DENG Chenglin²

1.School of Mechanical and Electrical Engineering, GuangDong University of Science & Technology,Dongguan 523000,China;2.DongGuan Moren Technology Co,Ltd,Dongguan 523000,China

Received:2019-05-14 Revised:2019-06-24 Online:2019-10-26 Published:2019-10-25
Contact: ZHANG Weihe E-mail:allenzhang0628@126.com

摘要/Abstract

摘要： 模具采用“推杆+斜顶+推块+油缸顶出”的脱模机构，解决了大型塑件脱模困难问题。模具采用油缸间接抽芯的侧向抽芯机构，大大减小了模具的最大外形尺寸，解决了隧道抽芯困难的问题。通过在动模侧设计加强筋和倒扣纹，成功解决了汽车仪表板储物盒容易黏定模的问题。通过采用纵横交错的“直通式水管+隔片式水井”的温度控制系统，大大提高了模具的劳动生产率和塑件的尺寸精度，注射周期50 s，与同类型汽车储物盒相比降低了10 %。

关键词: 汽车仪表板储物盒, 热流道, 大型注塑模, 油缸间接抽芯

Abstract: The demolding mechanism with a mode of push rod plus inclined top plus push block plus cylinder ejection was adopted to solve the demolding difficulty in large plastic parts. A lateral core-pulling mechanism with an indirect core-pulling cylinder was adopted for the die, which greatly reduced the maximum shape size of the die and solved the core-pulling difficulty in tunnels. The problem that the instrument panel storage bins of automobile were easy to stick to the die were successfully solved by designing reinforcing ribs and inverted ribs on the moving die side. The dimensional accuracy of plastic parts was greatly improved by adopting the temperature control system of the crisscross “straight-through water pipe plus diaphragm well”. Moreover, the forming cycle reached 50 s, which was lower than that of the same type of instrument panel storage bins by about 10 %.

Key words: instrument panel storage bins of automobile, hot runner, large injection mold, indirect core pulling by cylinder

中图分类号:

冯婧, 张维合, 邓成林. 汽车仪表板储物盒热流道大型注塑模设计[J]. 中国塑料, 2019, 33(10): 94-99.

FENG Jing, ZHANG Weihe, DENG Chenglin. Design of Large Injection Mold with Hot Runner for Instrument Panel Storage Bin of Automobile[J]. China Plastics, 2019, 33(10): 94-99.

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汽车仪表板储物盒热流道大型注塑模设计

Design of Large Injection Mold with Hot Runner for Instrument Panel Storage Bin of Automobile

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