Material shearing device for air valve production and processing

The utility model discloses a material shearing device for air valve production and processing, which comprises a supporting block, a bottom plate, a limiting groove, a hydraulic pump, a control box, a shearing ring and a screw rod, a supporting plate is welded on one side of the upper end face of the bottom plate, and a connecting plate is welded at the upper end of the supporting plate. A hydraulic cylinder is fixed to the middle of the lower end face of the end, away from the supporting plate, of the connecting plate, a hydraulic rod is movably installed at the lower end of the hydraulic cylinder, a first mounting hole is formed in the lower end of the hydraulic rod, a mounting sleeve is fixed to the middle of the upper end face of the shearing ring, and second mounting holes are formed in the middles of the two sides of the mounting sleeve. The mounting sleeve is connected to the lower end of the hydraulic rod in a sleeving mode, the screw rod is installed in the first mounting hole and the second mountin