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[CN 202011269479.0] Title of a hydraulic press: Application number of a hydraulic press: CN 202011269479.0 Applicant: Anhui Yuansheng Instrument Technology Co., Ltd. Application Date: 2020-11-13 Patent Type: Application for Invention The present invention provides a hydraulic press, which includes an operation table and a plurality of support columns fixed on the operation table. A top plate is fixed above the operation table through the plurality of support columns, a through hole is provided on the top plate, and a lower mold is provided on the operation table, two ends of the through hole are provided with connecting grooves, and a sealing cap is detachably connected to the connecting groove. The sealing cap includes a connecting part and a limiting part. The connecting part is connected with the connecting groove. The limiting part is located on the outside of the top plate; the sealing cap is provided with a perforation communicating with the through hole, the middle of the perforation is provided with a fixing groove, and a sealing ring is fixed in the fixing groove; a fixing plate is arranged above the top plate, the fixed plate is fixedly connected with the plurality of support columns, a hydraulic cylinder is fixed on the fixed plate, and one end of the piston rod of the hydraulic cylinder that is not connected with the hydraulic cylinder passes through the through hole and the two through holes and is connected with the upper mold. The hydraulic press can greatly reduce the cleaning frequency of the hydraulic cylinder and the through hole on the top plate.
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