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[CN 201610668508.8] high-speed energy-saving hydraulic press


[CN 201610668508.8] Title of High-speed Energy-saving Hydraulic Press: Application Number of High-speed Energy-saving Hydraulic Press: CN 201610668508.8 Applicant: Chongqing Cai's Hydraulic Equipment Co., Ltd. Application Date: 2016-8-15 Patent Type: Application for Invention The present invention discloses a high-speed energy-saving hydraulic press. A master cylinder and a side cylinder are installed on the upper beam. The side cylinder and the master cylinder are both plunger cylinders. The pressures of the two side cylinders are equal, the pressure of the master cylinder is greater than or equal to the sum of the pressures of the two side cylinders; a lifting cylinder is provided between each side cylinder and the master cylinder, and the plunger of the lifting cylinder is connected to the beam, and the two sides of each lifting cylinder are symmetrically arranged The upper end of the pull rod is connected with the beam, and the lower end of the pull rod passes through the upper beam and is connected with the slider. When pressing, the present invention can choose the main cylinder to feed oil separately or the main cylinder and the side cylinder to feed oil at the same time, which meets the needs of different pressing situations; the present invention is powered by two lifting cylinders during the return stroke, and the return speed is constant, which can ensure that the return stroke remains stable, High speed. The return speed of the invention can be increased to 550 mm/s, the downward speed can be increased to 500 700 mm/s, the pressing speed can be increased to 40 100 mm/s, and the output can be increased by more than 40%.