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[CN201611033968.X] Electro-hydraulic control pressure machinery with dual accumulators providing hydraulic power
[CN201611033968.X] Electro-hydraulic Control Pressure Machinery with Dual Accumulators Providing Hydraulic Power Title: Electro-hydraulic Control Pressure Machinery with Dual Accumulators Providing Hydraulic Power Application Number: CN201611033968.X Applicant: Tianjin Shaohui Technology Co., Ltd. Application Date: 2016-11-22 Patent Type: Invention Application The present invention discloses an electro-hydraulic control pressure machine with dual accumulators providing hydraulic power. The hydraulic control mechanism includes: first and 2; the first control unit; the booster mechanism; the second control unit; the hydraulic buffer control mechanism. The booster mechanism of the hydraulic control mechanism cooperates with the hydraulic buffer control mechanism so that when the stamping rod enters the third stroke section to cause elastic-plastic deformation of the workpiece, the pressure continues to increase, so as to meet the requirements of the gradual increase of the pressure of the workpiece during elastic-plastic deformation. The pressure and power of the hydraulic control mechanism are provided by two accumulators (the first accumulator and the second accumulator). The first accumulator and the second accumulator respectively provide the pressure and feed power required by the workpiece for the three stroke sections of the stamping rod. The pressure provided by the accumulator is more stable than that provided by the oil pump, so that the processed workpiece has good performance stability and higher interchangeability.
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