Safety mechanism for injection-molding machine provided with take-off member

摘要

A take-off plate, mounted near one of two relatively movable mold portions and insertable therebetween to remove freshly molded workpieces, enters a slot of a guide block rigid with the same mold portion upon moving from a retracted to an inserted position, the guide block also having a bore intersecting the slot and extending in the direction of mold motion. A pin on the other mold portion traverses the bore upon closure of the mold to prevent untimely insertion of the take-off plate; conversely, the take-off plate in its inserted position obstructs the bore to prevent premature mold closure.