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[CN 201611036080.1] Electro-hydraulic Control Pressure Machinery
[CN 201611036080.1] Electro-hydraulic Control Pressure Machinery Title: Electro-hydraulic Control Pressure Machinery Application Number: CN 201611036080.1 Applicant: Tianjin Xiujie Technology Co., Ltd. Application Date: 2016-11-22 Patent Type: Invention Application The present invention discloses an electro-hydraulic control pressure machine, used for stamping workpieces, including an actuator and a hydraulic control mechanism that provides pressure to and controls the actuator; The hydraulic control mechanism includes: first, 2. three hydraulic lines; Pressure reducing valve; The first control unit; Booster mechanism; The second control unit; Magnetic control mechanism. A booster mechanism and a magnetic control mechanism are arranged in the hydraulic control mechanism. The booster mechanism and the magnetic control mechanism cooperate to make the pressure of the stamping rod continuously increase when entering the third stroke section to make the workpiece undergo elastic-plastic deformation, thereby meeting the requirement of gradually increasing the pressure during the elastic-plastic deformation of the workpiece. The hydraulic control mechanism of the present invention makes the stamping rod meet the pressure changes of the three stroke sections, therefore, the rigidity of the stamped workpiece is better, and the scrap rate of the stamped workpiece is lower.
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