The present invention discloses a turret mechanism of a bottle body injection blow molding machine, comprising a frame and a turret mechanism. The frame comprises a workbench, the turret mechanism comprises a turret, a driving structure and a positioning structure, a group of core rods is arranged on each of three sides of the turret. The driving structure comprises an outer shaft, an inner shaft, a disc and a pushing member, the inner shaft is engaged and slidably connected with the outer shaft, the turret is fixedly connected to the upper end of the outer shaft, the inner shaft is driven to rotate by a first motor and drives the outer shaft to rotate, the disc is fixedly arranged at the lower part of the outer shaft, the disc is located in the inner cavity of the pushing member and both front and rear sides of the disc are exposed from the pushing member, the pushing member is driven to move up and down by a first lead screw and a second motor, and three lugs are uniformly arranged on the disc in a circumferential direction. The positioning structure comprises a positioning member provided with a limiting groove vertically opposite to one lug, and the lug rotates into the limiting groove after moving up. The present invention realizes accurate 120° rotation of the turret, and has the characteristics of low manufacturing cost, low maintenance cost and long service life.

Country Code: CN

Application Number: CN202210061282.0