This utility model discloses a stretching and compressing blow molding structure, which comprises an upper stretching seat and a lower stretching seat. Two booster cylinders are vertically and fixedly connected to the upper end face of the upper stretching seat, and a connecting rod is arranged at the bottom of each booster cylinder. A through hole is opened in the middle of the upper end face of the upper stretching seat, and an air cylinder is fixedly connected to the middle of the upper end face of the lower stretching seat, with the top of the air cylinder passing through the through hole. A movable rod is arranged at the bottom of the air cylinder, guide sleeves are vertically and fixedly connected to the upper end face of the lower stretching seat at both sides close to the air cylinder, and a mold guide rod is inserted into the inner cavity of each guide sleeve. Two booster cylinder flanges are arranged on the upper end face of the lower stretching seat at positions corresponding to the connecting rods. The stretching and compressing blow molding structure of the utility model is designed with structures such as the upper stretching seat, the lower stretching seat, the air cylinder, the guide sleeves and the stretching guide columns. The design scheme has a simple structure and is easy to use, and can effectively improve the stability of the injection blow molding machine during operation.

Country Code: CN

Application Number: CN201920537436.2