the technology points of forced demolding mechanism for the deep cavity part injection mold design is discussed,and it can be a reference for the similar injection mold.

• 对中性笔笔帽塑件进行了分析,确定了模具结构,阐述了深腔强脱塑件模具的设计注意要点,对同类注射模具有较好的参考价值。