Novel powerful roller type ore grinding machine

The utility model relates to a novel powerful roller type ore grinding machine which comprises a rack, two rollers and a housing, the two rollers are arranged in parallel, the two ends of one roller are supported on a fixed roller bearing seat, the fixed roller bearing seat is fixedly installed on the rack, the two ends of the other roller are supported on a swing roller bearing seat, the bottom of the swing roller bearing seat is hinged to the rack, and the side, opposite to the fixed roller bearing seat, of the swing roller bearing seat is hinged to the rack through a hydraulic cylinder. The housing is fixed on the rack, the housing is arranged on the outer sides of the cutting parts of the two rollers, the two ends of the housing are respectively provided with an arc-shaped hole corresponding to the other roller, and the other roller supported on the swing roller bearing seat is arranged in the arc-shaped hole; and the same ends of the two rollers are respectively connected with output shafts of the two sp