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[CN 201720792903.7] Blanking Cylinder Hydraulic System of Fine Blanking Hydraulic Press
[CN 201720792903.7] Blanking Cylinder Hydraulic System Title of Fine Blanking Hydraulic Press: Blanking Cylinder Hydraulic System Application Number of Fine Blanking Hydraulic Press: CN 201720792903.7 Applicant: Jiangsu Guoli Forging Machine Tool Co., Ltd. Application Date: 2017-7-3 Patent Type: Utility Model The utility model relates to a blanking cylinder hydraulic system of a fine blanking hydraulic press, including a blanking cylinder with a closed upper end, the blanking cylinder piston is inserted into the inner cavity of the blanking cylinder body. The top of the blanking cylinder body is respectively provided with the blanking cylinder upper cavity oil port and the blanking cylinder filling interface. The blanking cylinder filling interface is connected with the oil tank through the charging valve. The blanking cylinder body is provided with the blanking cylinder lower cavity oil port on the lower circumference. The blanking cylinder piston is provided with a top-down extending blanking cylinder center hole, the upper part of the small oil cylinder extends from the center hole of the top wall of the blanking cylinder body and is fixed on the blanking cylinder body through the small oil cylinder lock nut. The small oil cylinder and the blanking cylinder body and the center hole of the blanking cylinder piston are respectively The seal is sealed, and a through small cylinder center hole is provided along the axis of the small cylinder. The fine blanking hydraulic press blanking cylinder hydraulic system of the slider fast down speed, high efficiency of machine tool operation.
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