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[CN 201710678464.1] Multi-functional compound hydraulic system for hydraulic pad of multi-station hydraulic press
[CN 201710678464.1] a multi-station hydraulic press hydraulic pad multifunctional composite hydraulic system title: a multi-station hydraulic press hydraulic pad multifunctional composite hydraulic system application number: CN 201710678464.1 applicant: Huzhou machine tool factory co., ltd. application date: 2017-8-10 patent type: invention application the present invention discloses a multi-station hydraulic press hydraulic pad multifunctional composite hydraulic system, involving the field of mechanical processing and manufacturing equipment, it comprises a hydraulic cushion, a worktable and a driving cylinder for driving the hydraulic cushion up and down, the driving cylinder comprises a main driving cylinder and an auxiliary driving cylinder, the multi-station hydraulic cushion multifunctional composite hydraulic system further comprises a proportional pressure regulating valve system, a feedback circuit, a first displacement sensor and a second displacement sensor, the proportional pressure regulating valve system separately regulates the main driving cylinder and the auxiliary driving cylinder, the feedback circuit controls the auxiliary driving cylinder according to the detection signals of the first displacement sensor and the second displacement sensor, so as to control the displacement on both sides of the hydraulic cushion. The invention can realize the separate top-out and back-out action of the hydraulic pad, and realize the function of adjusting the multi-cylinder stretching force of the hydraulic pad and the leveling function of the hydraulic pad.
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