The utility model discloses a blow molding mechanism, comprising a blow molding rod, a rotating tube and a cavity mold. The blow molding rod is of a hollow structure, the rotating tube is arranged on the circumference of the blow molding rod, the inner wall of the rotating tube is hermetically connected with the outer wall of the blow molding rod, and the rotating tube can rotate relative to the blow molding rod. A step part and spaced inclined spacers are arranged at the end of the rotating tube; the blow molding rod is used for inserting into the cavity of the mold. The blow molding mechanism facilitates the treatment of the injection port and prevents flash on the injection molded part through the arranged rotating tube.
Country Code: CN
Application Number: CN201620494091.3
