This invention discloses a temperature regulating device for an injection blow molding machine, comprising a coarse cylinder, a sealing ring, a connecting hole, a cavity plate, an aluminum tube, a strip-shaped hole, a thin cylinder, a conical block, a ring plate, a cylinder, a cylindrical hole, and a short rubber tube. This invention is rationally designed. By injecting flowing cryogenic liquid into the aluminum tube and the connected cavity plate, and changing the flow rate of the cryogenic liquid at any time, it facilitates the cooling of the blown gas, enabling rapid cooling of the blow-molded plastic part. By activating the cylinder in an extended or retracted state, the conical block moves forward or backward on the thin cylinder via the short rubber tube, thereby changing the size of the air outlet port of the strip-shaped hole. This allows for control of the air volume at the outlet end, facilitating better blow molding of the preform.

Country Code: CN

Application Number: CN201921503657.4