An oil cylinder structure for a die device of a hollow plastic blow molding machine belongs to the technical field of blow molding machinery. It comprises an oil cylinder assembly including an oil cylinder fixing seat, an oil cylinder base, a top seat, an oil cylinder sleeve, an oil cylinder piston rod, a slider top rod, a cooling medium partition plate, a cooling medium joint and an adjusting nut. A piston rod hole is arranged on the oil cylinder fixing seat, an oil outlet hole is arranged on the oil cylinder base, an oil inlet hole is arranged on the oil cylinder top seat, the oil cylinder sleeve is fixed between the oil cylinder base and the top seat. One end of the oil cylinder piston rod is provided with a top rod connector, the other end is provided with an adjusting nut connector, a partition plate accommodating hole is axially arranged, and a piston body is arranged on the outer wall. One end of the slider top rod is connected with the screw hole of the connector, the other end fixes the slider. One end of the cooling medium partition plate contacts the bottom wall of the partition plate accommodating hole, the other end extends into the cooling medium joint, the cooling medium joint is connected with the adjusting nut connector, and the adjusting nut is screwed on the adjusting nut connector. It ensures the operation stability, reliability and service life of the oil cylinder assembly.
Country Code: CN
Application Number: CN201510830640.X
