The utility model belongs to the field of blow molding machine parts, and specifically relates to a blow pin for blow molding machines, including an air blowing rod connected to an air supply device and an air nozzle communicated with the rod. The hollow air nozzle is internally provided with an air inlet channel, and a cutter ring abutting against the upper end of the mold is arranged on the outer wall of the air nozzle. An annular groove is formed on the contact surface between the cutter ring and the mold, keeping flash generated during blow molding away from the bottle mouth. The blow pin ensures smooth transition of the bottle mouth during extrusion blow molding, isolates flash from the finished mouth to prevent scratch injuries, improve consumer experience, and enhance the sealing performance of blow-molded bottles.
Country Code: CN
Application Number: CN201921168731.1
