本实用新型公开了一种塑料防盗盖压塑模具,其包括一芯棒、一雕刻头和一螺母,该芯棒的头部开设一孔,该雕刻头上套设有一密封圈,该雕刻头装设于该孔内,该芯棒的头部内部设有对该雕刻头进行限位的限位台,该螺母与该雕刻头的尾部螺纹锁紧连接,该螺母的锁紧面紧贴于该芯棒的头部内部。本实用新型雕刻头安 The utility model discloses a plastic anti-theft cover compression molding die which comprises a core rod, a carving head and a nut, the head of the core rod is provided with a hole, a sealing ring is sleeved on the carving head, the carving head And a stopper for limiting the carving head is provided in the head of the mandrel. The nut is threadably connected with the tail of the carving head, and the locking surface of the nut is in close contact with Inside the head of the mandrel. The utility model carving head safety