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[CN 202011547398.2] Jaw Hydraulic Control System of Skin Stretching Hydraulic Press
[CN 202011547398.2] Jaw Hydraulic Control System Title of Skin Stretching Hydraulic Press: Jaw Hydraulic Control System Application Number of Skin Stretching Hydraulic Press: CN 202011547398.2 Applicant: Tianjin Tianforging Press Co., Ltd. Application Date: 2020-12-24 Patent Type: Invention Application The present invention discloses a jaw hydraulic control system of skin stretching hydraulic press, which belongs to the technical field of skin stretching hydraulic press and includes a controller for controlling the working state of jaws; the controller is equipped with a linear feedback system; The oil supply module includes a pump group for sucking oil from the power oil tank, and a pump outlet control valve group is installed on the outlet pipeline of the pump group. The jaw clamping release actuator cylinder control valve group includes: electromagnetic directional valve, proportional pressure reducing valve, direct acting pressure reducing valve A, direct acting pressure reducing valve B, plug-in type, overflow valve A, electromagnetic hydraulic control one-way valve, booster valve and overflow valve B; the I/O terminal of the controller performs data interaction with the electromagnetic directional valve, the proportional pressure reducing valve, the electromagnetic hydraulic control one-way valve, the pressure sensor A, and the pressure sensor B, respectively. The invention ensures the long-term continuous clamping of the jaws, and avoids the long-term continuous clamping of the jaws by separately configuring auxiliary functions such as a pressure holding pump.
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