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[CN 201620878504.8] Quick return auxiliary system for hydraulic press slider
[CN 201620878504.8] Title of a hydraulic press slider quick return auxiliary system: Application number of a hydraulic press slider quick return auxiliary system: CN 201620878504.8 Applicant: Jiangsu Guoli Forging Machine Tool Co., Ltd. Application date: 2016-8-15 Patent type: Utility model The utility model relates to a hydraulic press slider quick return auxiliary system, including a main piston cylinder, the lower cavity of the main piston cylinder is connected with a quick oil pipe and a return auxiliary oil pipe, the inlet of the return auxiliary oil pipe is connected with the outlet of the first adjustable cartridge valve and the hydraulic control port through a throttle valve, the inlet of the first adjustable cartridge valve is connected with the outlet of the second cartridge valve, the inlet of the second cartridge valve is connected with the return pressure oil pipe, the hydraulic control port of the second cartridge valve is connected with the port of the first electromagnetic reversing valve, the P port of the first electromagnetic reversing valve is connected with the return pressure oil pipe, and the T port. The outlet of the quick-running oil pipe is connected with the return pressure oil pipe through a check valve. The outlet of the quick-running oil pipe is connected with the inlet of the third cartridge valve, the outlet of the third cartridge valve is connected with the oil tank, and the third cartridge valve is controlled by the second electromagnetic directional valve. The hydraulic press slider quick return auxiliary system can increase the return speed without increasing the power of the hydraulic press.
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