Surface impurity removal device for cast iron profile casting

The utility model relates to the technical field of cast iron profile casting, and discloses a cast iron profile casting surface impurity removal device which comprises a shell and an impurity removal mechanism, the impurity removal mechanism is movably installed in the shell, the shell is arranged on the outer surface of the impurity removal mechanism, and an impurity removal box is arranged in the left side of the impurity removal mechanism. A guide rail is arranged in the center of the interior of the impurity removal box, impurity removal rollers are movably installed at the two ends of the outer side of the guide rail, a second driving motor is in transmission connection with one end of the outer side of each impurity removal roller, a sweeping box is arranged on the right side of the impurity removal box, and a first driving motor is fixedly installed at the top of the inner side of the sweeping box. The movable plate arranged on the recycling box is movably connected with the shell, after the cleaning