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[CN 202110564932.9] Pressure pin unloading device and method for mold adjustment of hot die forging press
[CN 202110564932.9] Pressure Pin Unloading Device and Method for Die Adjustment of Hot Die Forging Press Title: Pressure Pin Unloading Device and Method for Die Adjustment of Hot Die Forging Press Application Number: CN 202110564932.9 Applicant: Rongcheng East China Forging Machine Tool Co., Ltd.; Harbin Institute of Technology (Weihai); Central South University; Shandong University Application Date: 2021-5-24 Patent Type: Invention Application This invention involves high-end equipment manufacturing industry, specifically, it relates to the pressure pin unloading device and method for mold adjustment of hot die forging press. The locking cylinder and disc spring are used to lock and loosen the clamping rod. The sensor is used to detect the state of the clamping rod. By injecting high-pressure gas into the friction surface of the slider, the balance and stability are realized. The upward lifting of the pressure pin can reduce part of the gravity and rotation torque of the pressure pin and realize the purpose of unloading, make full use of PLC controller to realize the interlocking of pressure pin rotation and locking release detection PLC control, solve the problems of excessive rotation torque of pressure pin during hot die forging to adjust the die height of slider, resulting in rapid wear of copper sleeve and twist-off damage of bevel gear pair, worm pair and coupling spline, and solve the driving accident of pressure pin locking state caused by tight relaxation of pressure pin clamping lock of hot forging press and its automatic production line without detection control, effectively improve the transmission accuracy, reliability and production efficiency of the hot touch forging press and its automatic production line.
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