Edge grinding wheel for step edge turning machine

The utility model relates to an edging grinding wheel for a step edging machine, which comprises a circular body, a mounting hole is arranged in the middle of the body, two ends of the mounting hole are chamfered, annular grooves are arranged on the surfaces of the left side and the right side of the body, a step surface is arranged on one side of the outer edge of the body, and the step surface is provided with a groove. The step face comprises a first round face, an inclined face and a second round face, the first round face is higher than the second round face, an L-shaped notch is formed in the outer edge, on one side of the second round face, of the body and comprises a vertical face and a third round face, the second round face is higher than the third round face, and the first round face, the second round face and the third round face are coaxially arranged. And sand plating layers are arranged on the surfaces of the step surface and the notch. By the adoption of the technical scheme, the lens can be e