This utility model discloses a core push plate retaining mechanism for a turret of an injection blow molding machine, comprising a turret of an injection blow molding machine, a core mounting plate, a horizontal piston, a piston rod, a push plate, a core rod base and a core rod. A core mounting plate is arranged on the right side of the turret of the injection blow molding machine, a horizontal piston is arranged in the inner cavity of the core mounting plate, a piston rod is fixedly installed on the left side of the horizontal piston, lock grooves are symmetrically formed at both ends of the outer wall of the piston rod, an extension spring is installed between the left inner cavity of the turret of the injection blow molding machine and the outer wall of the piston rod, a push plate is fixedly installed on the right end of the horizontal piston, a core rod base is fixedly installed on the right side of the core mounting plate, a core rod is arranged in the inner cavity of the core rod base, and a sleeve is arranged on the right side of the inner cavity of the turret of the injection blow molding machine. The utility model avoids excessively fast air intake per unit time and jumping movement, facilitates the locking and retaining of the piston rod, and features stable structure, convenience and practicality.

Country Code: CN

Application Number: CN201920838199.3