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[CN 201610798743.7] Hydraulic system of guillotine shearing machine
[CN 201610798743.7] Title of Hydraulic System of a Shutter Shearing Machine: Application Number of Hydraulic System of a Shutter Shearing Machine: CN 201610798743.7 Applicant: Application Date of Anhui Huaxia Machine Tool Manufacturing Co., Ltd.: 2016-8-31 Patent Type: Application for Invention The present invention discloses a hydraulic system of a shutter shearing machine, belonging to the technical field of hydraulic machines. Its main oil cylinder, auxiliary oil cylinder and return oil cylinder are all connected with the tool holder; the oil suction port of the oil pump is connected with the oil tank, the oil outlet is connected with the inlet of the sequence valve, and the outlet of the sequence valve is connected with the main oil cylinder; the inlet of the electromagnetic overflow valve I is connected with the oil outlet of the oil pump, and the outlet of the electromagnetic overflow valve I is connected with the oil tank, and connect the oil outlet of the oil pump through the switch valve, and the pipeline connecting the switch valve and the main cylinder is provided with a stop valve II; the accumulator is connected to the oil outlet of the oil pump through the stop valve I, and the accumulator is connected to the rod cavity of the return cylinder Connected, the rod-less cavity of the return cylinder is connected with air. Compared with the existing hydraulic system, the structure of the invention is greatly simplified, the production cost is reduced, the system runs stably and can meet a variety of operation requirements, the pressing action can be controlled separately and the pressure is controllable, and it is also convenient for maintenance.
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