Edge welding equipment for metal wheel disc machining

The utility model relates to the technical field of metal wheel disc machining, in particular to edge welding equipment for metal wheel disc machining, which comprises an operation table, a fixing box is arranged at the top end of the operation table, a support is arranged at the top end of the fixing box, a fixing assembly is arranged between the support and the operation table, and a sliding assembly is arranged in an inner cavity of the fixing box. And the left side and the right side of the front end of the sliding assembly extend to the left side and the right side of the front end of the fixing box and are fixedly provided with moving plates correspondingly, the sides, close to each other, of the two moving plates are provided with positioning plates correspondingly, and the sides, close to each other, of the two positioning plates incline from the front side and the rear side to the middle correspondingly. According to the edge welding equipment for metal wheel disc machining, in the disc welding proce