Cast iron rocker arm support double-face double-positioning tool

The utility model discloses a cast iron rocker arm seat double-face double-positioning tool which is provided with a supporting frame, a sliding rail is arranged on the top of the supporting frame, a workbench is arranged on the sliding rail, a moving groove is formed in the bottom of the workbench, a base is arranged on the workbench, a first supporting plate is arranged on the base and comprises a transverse plate and a vertical plate, and the bottom of the vertical plate is fixed to the base. The top of the vertical plate is fixedly connected with one end of a transverse plate, a fixing plate is arranged on the transverse plate, a U-shaped supporting table is arranged on the fixing plate, a fixing air cylinder is arranged on the U-shaped supporting table, the output end of the fixing air cylinder downwards penetrates through the U-shaped supporting table, a fixing groove is vertically formed in the transverse plate, a fixing clamp is arranged in the fixing groove, and the upper portion of the fixing clamp