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[CN 201721358335.6] Longitudinal Fine Adjustment Device of Hydraulic Press Die Changing Trolley
[CN 201721358335.6] Title of Longitudinal Fine Tuning Device for Hydraulic Machine Die Changing Trolley: Application Number of Longitudinal Fine Tuning Device for Hydraulic Machine Die Changing Trolley: CN 201721358335.6 Applicant: 22 Metallurgical Group Precision Forging Co., Ltd. Application Date: 2017-10-20 Patent Type: Utility Model The utility model provides a longitudinal fine tuning device for hydraulic machine die changing trolley, with three piston rods in the rail lock body and a sealing ring at the top; A cylinder group cover is installed on the top of the rail lock body; a closed inner cavity is formed between the steel group cover and the top of the second piston rod, and a third oil hole is opened on the steel group cover; the cylinder group cover and the piston rod frame are fixed Connected, the outer side of the first piston rod is suit on the piston rod frame, and the inner side of the first piston rod is installed in the hydraulic cylinder; the hydraulic cylinder is fixedly connected with the servo push rod box, the servo push rod box is equipped with a servo motor, the output shaft of the servo motor is equipped with a lead screw, and the lead screw extends into the servo push rod box to suit with the servo push rod; The outer end of the servo push rod is aligned with the rail lock body and the piston rod frame. The utility model has simple operation and low requirements for operator skills. The mold changing trolley is fixed with the hydraulic cylinder, and has high positioning accuracy to shorten the construction period.
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