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[CN 201910659258.5] sectional multi-stroke hydraulic press
[CN 201910659258.5] Segmented Multi-stroke Hydraulic Press Title: Segmented Multi-stroke Hydraulic Press Application Number: CN 201910659258.5 Applicant: Central South University Application Date: 2019-7-22 Patent Type: Invention Application The present invention provides a segmented multi-stroke hydraulic press, including a body; A cylinder body is arranged in the body, and a partition is fixedly arranged in the cylinder body; The front piston is slidably arranged under the partition in the cylinder body, the bottom is fixedly provided with a front piston rod, the bottom end is fixedly connected with a sliding block; the middle piston is slidably arranged above the partition in the cylinder, and the bottom is fixedly provided with a middle piston rod; the rear piston is slidably arranged Above the middle piston in the cylinder, a connecting rod is fixedly arranged at the bottom of the rear piston, and the bottom end of the connecting rod is fixedly connected with the middle piston; the segmented multi-stroke hydraulic machine is provided with a hydraulic line system. The hydraulic press of the present invention has a two-stage forging process and a third-stage reset process. It adopts a segmented multi-stroke method to meet the requirements of forging, improve the quality and production efficiency of forgings, and only uses one hydraulic valve. Low cost and convenient maintenance.
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