电动汽车铝合金电池托盘低压铸造模设计  

Design of low pressure die casting die for aluminum alloy battery tray of electric vehicle

作　　者：金海威 郑敏 贾永闯 刘永跃 JIN Hai-Wei;ZHENG Min;JIA Yong-Chuang;LIU Yong-Yue(Ningbo Heli Mould Technology Shareholding Co.,Ltd.,Ningbo,Zhejiang 315700,China)

机构地区：[1]宁波合力科技股份有限公司,浙江宁波315700

出　　处：《模具工业》2022年第11期56-59,共4页Die & Mould Industry

基　　金：宁波市重大科技攻关项目(2022Z013,2022Z047)。

摘　　要：分析了电动汽车铝合金电池托盘低压铸造工艺,并从成型工艺、浇注系统、冷却系统、排气系统及加热系统等方面介绍了成型铸件的模具设计,模具使用多浇口的浇注系统,在铸件壁厚部位设计了冷却系统,薄壁部位设计了加热系统。通过实际生产验证,铸件生产合格率稳定在90%以上,为薄壁且高度较低的大型铝合金电池托盘的模具设计提供参考。The low pressure casting technology of aluminum alloy battery tray for electric vehicle was analyzed,and the die design of the forming product was introduced from the aspects of casting forming technology,gating system,cooling system,exhaust system and heating system,the die adopted multi-gate gating system,the cooling system was designed for the thick wall part,and the heating system was designed for the thin wall part.Through the actual production verification,the qualified rate of casting was more than 90%,which provided a reference for the die design of large aluminum alloy battery tray with thin wall and low height.

关 键 词：电池托盘 低压铸造 模具设计 排气系统 

分 类 号：TG341.1[金属学及工艺—金属压力加工]