Automobile hub clamp

The utility model discloses an automobile hub clamp which is characterized by comprising a base, a clamping air cylinder is installed on the base, the clamping air cylinder is provided with a cylinderrod capable of vertically stretching out and drawing back up and down, the cylinder rod is connected with a clamping rod, and a clamping base is installed at the upper end of the clamping rod in a detachable mode. The clamping base comprises a base plate, at least two inserting rods are fixed to the lower portion of the base plate, pressing flanges are arranged on the inserting rods, a positioning plate is fixed to the portion, located below the clamping base, of the base, positioning bosses corresponding to the inserting rods in a one-to-one mode are arranged on the positioning plate, and through holes are formed in the centers of the positioning bosses. The clamp clamps the middle of the automobile hub, external machining treatment is facilitated, operation is rapid, and the machining efficiency can be improved