Manufacturing method of high-precision chromium carbide plate device
Release time:
2021-09-26 15:37
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Composite wear-resistant materials have been widely used in heavy industry, providing important wear-resistant protective measures for the wear failure of industrial equipment and workpieces in China, greatly extending the service life of equipment and workpieces, and improving production efficiency and reducing production costs for enterprises. Made an important contribution. The double-layer wear-resistant material is a high-alloy wear-resistant layer with high hardness and high wear resistance on the surface of ordinary steel plate or stainless steel plate through the open arc self-protection automatic surfacing technology. The wear-resistant steel plate has bimetallic properties, that is, the high wear resistance of the working layer and the high plasticity and toughness of the base layer, which provides convenient mechanical connection and covering electrode connection conditions for industrial applications, and can realize the processing of winding, welding, plasma cutting and mechanical connection. Composite wear plates often require chromium carbide plate devices for further processing into parts,chromium carbideMost of the wear-resistant end caps of the plate device have a central hole in the center and a uniform distribution of round holes outside the central hole. Most of the existing technologies use plasma cutting machines for cutting, which has the defects of low production efficiency and low processing accuracy.
The purpose of the utility model is to overcome the shortcomings of the prior art and provide a high-precisionchromium carbidePlate device. A high-precision blanking device for chromium carbide plate, comprising a trimming die, a center punch, a punching punch and a pressing plate, characterized in that: punching punches are evenly distributed on the outer side of the center punch, and the center punch and the punching punch are pressed to the bottom of the upper die fixing plate fixed at the bottom of the upper die base; a pressing plate is arranged in the through hole of the trimming die, and the lower part of the center punch and the punching punch pass through the trimming die, the concave die and the lower die seat are provided with connected blanking holes aligned with the punching holes, and the diameter of the blanking holes is larger than the diameter of the punching holes. Preferably, the guide posts are fixed at four corners of the lower die base, and the upper ends of the guide posts are inserted into guide sleeves fixed at the lower part of the upper die base. Preferably, the lower end surface of the platen is lower than the lower end surfaces of the trimming die, the center punch, and the punch punch. Preferably, the upper end surface of the ejector plate is higher than the upper end surface of the female mold.
Compared with the prior art, the utility model has the advantages that it is suitable for punching disc-shaped and rectangular parts with central holes and side holes when in use,chromium carbideThe plate is driven by the mold feeding mechanism to move to the upper surface of the concave mold, the upper mold seat moves downward under the action of the press, and the pressure plate first contactschromium carbideThe plate moves upward until the lower end of the trimming die is aligned with the pressing plate, and the ejection plate moves downward under the action of the trimming die. When the lower end face of the chromium carbide plate is in contact with the upper end face of the female die, the pressing plate presses the plate, and the trimming die, the center punch, the punching punch and the top plate continue to move downward. Both the center punch and the punching punch are punched, the punching scrap falls from the blanking hole, and the trimming die cuts off the edge scrap. The molded part is now located between the pressure plate and the concave mold, the upper mold seat moves up, the top plate rebounds to realize the side waste discharge, and the pressure plate rebounds. The utility model adopts one-step cutting method, has high automation degree and high processing efficiency.
Chromium carbide
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