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[CN 201720703250.0] feeding device of hydraulic press


[CN 201720703250.0] Title of a feeding device for a hydraulic press: Application number of a feeding device for a hydraulic press: CN 201720703250.0 Applicant: Jiangsu Haiyu Machinery Co., Ltd. Application Date: 2017-6-16 Patent Type: Utility Model The utility model provides a feeding device for a hydraulic press, which belongs to the technical field of hydraulic presses and includes a sliding block, an upper backing plate connected with the sliding block and a feeding cylinder located between the sliding block and the upper backing plate, the punching cylinder comprises a piston rod, a hydraulic cushion, an ejector rod and a first elastic member connected in sequence from top to bottom. The upper backing plate is provided with a mounting hole, the ejector rod is located in the mounting hole, and a second elastic member is arranged between the ejector rod and the mounting hole. The first elastic member comprises a spring fixed at the bottom of the ejector rod and an elastic block connected with the spring, the utility model is simple in structure, easy to install, and can not only reduce noise, but also will not treat the material to cause a blow trace.