Automobile flange plate machining clamp

The utility model discloses an automobile flange plate machining clamp, and relates to the field of automobile flange plate machining. The automobile flange plate machining clamp comprises a bottom plate, a supporting plate is fixedly connected to the lower side of the bottom plate, a clamping mechanism is arranged in the middle of the upper side of the bottom plate, a limiting rod is fixedly connected to the middle of the upper side of the bottom plate, and stabilizing mechanisms are arranged on the upper sides of the left end and the right end of the bottom plate. According to the flange plate clamping device, through the arrangement of the sliding grooves, the sliding blocks, the two-way screw rods, the moving blocks, the connecting plates, the fixing rods, the first springs and the clamping plates, a flange plate is fixed to the bottom plate, the influence of vibration on the clamping stability of the clamping plates is reduced through the fixing rods and the first springs, and the flange plate is prevent