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[CN 201610835061.9] Assembled heavy-duty hydraulic punching and shearing machine with high punching and shearing precision and punching and shearing method thereof
[CN 201610835061.9] An assembled heavy-duty hydraulic punching and shearing machine with high punching and shearing precision and its punching and shearing method Title: An assembled heavy-duty hydraulic punching and shearing machine with high punching and shearing precision and its punching and shearing method Application Number: CN 201610835061.9 Applicant: Anhui Zhongyi Machine Tool Manufacturing Co., Ltd. Application Date: 2016-9-20 Patent Type: Invention Application The invention discloses an assembled heavy-duty hydraulic punching and shearing machine with high punching and shearing precision and its punching and shearing method, belonging to the technical field of mechanical processing equipment. The punching and shearing machine of the present invention includes a pressing mechanism, a lower die seat pressing mechanism, a rear blocking mechanism and an oil cylinder fixing mechanism; wherein, in the oil cylinder fixing mechanism, the hydraulic oil cylinder and the body of the punching and shearing machine pass through a second fastening bolt Connected, and the contact surface of the hydraulic cylinder and the body is a pair of matching wedge surfaces; the side of the hydraulic cylinder is provided with grooves or bosses; the boss is a T-shaped boss or a dovetail-shaped boss; the groove is a T-shaped groove or a dovetail-shaped groove that matches the size of the boss. The invention improves the use effect of the punching and shearing machine, and the transformation cost of the existing punching and shearing machine is low and the economic benefit is good.
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