Multi-specification adjustable net wheel rim machining tool

The multi-specification adjustable net wheel rim machining tool is characterized by comprising a supporting table, three clamping mechanisms are arranged on the periphery of the upper portion of the supporting table, the three clamping mechanisms are evenly distributed on the supporting table, each clamping mechanism comprises a supporting plate, and the supporting plates and the supporting table are provided with openings of the same shape. A plurality of adjusting holes are formed in the positions, located on the two sides of the opening, of the supporting plate, a backer is arranged on the upper portion of the supporting plate and fixed to the supporting plate through a fixing bolt, a rotating shaft is fixedly installed in the opening of the supporting plate, a rotating arm is rotationally arranged on the rotating shaft, and a fixing block is connected to the upper portion of the rotating arm. According to the net wheel rim machining fixture, net wheel rims of various specifications can be effectively fixe