This paper analyses the structure characteristics,die structure and design plan of QD1212 driving terminal.The sliding part design is becoming more ideal after several times of modification.

• 分析了QD1212驱动端盖结构特点，压铸件模具结构及设计方案；该模具滑块部分的设计经过多次修改后更趋合理，铸件易于脱模。