Combined guide and guard device for profile steel rolling mill

The invention discloses a combined guide and guard device for a profile steel rolling mill. The combined guide and guard device comprises a base, wherein a servo motor is installed on the upper portion of the base, a movable base is arranged on one side of the servo motor, a movable block is arranged inside the movable base, and the side wall of the side, close to the servo motor, of the movable block is provided with a threaded hole; a connecting rod is installed at the driving end of the servo motor, and the connecting rod penetrates through the side wall of the movable base and is arrangedin the threaded hole in the movable base in an inserted manner; a single chip microcomputer is installed at the top end of the servo motor, two installing plates are symmetrically connected to the side wall of the side, far away from the connecting rod, of the movable base, and a rotating shaft is arranged between the two installing plates; and the rotating shaft penetrates through the two installing plates and extends ou