And the mechanisms of forced demoulding, two_time ejection and delayed ejection by a sliding core used in the injection mould were introduced.

• 分析了沐浴露瓶盖的工艺特点,介绍了瓶盖注射模的结构及工作过程,并介绍了注射模设计中采用的强制脱模、二次顶出、滑动型芯延时顶出机构等。