Double-rotor impact crusher for ore crushing

The utility model discloses a birotor impact crusher for ore crushing, and relates to the technical field of impact crushing, the birotor impact crusher comprises an ore impact crusher body, the ore impact crusher body comprises a lap joint table, and a cooling mechanism is fixedly installed on the top of the lap joint table and located on the outer surface of the right side. The cooling mechanism comprises a heat preservation sleeve shell, a dust collector is fixedly installed at the position, located on the left side edge, of the top of the lap joint table, and a feeding pipe opening replacing mechanism is arranged on the back face of the lap joint table. When an inlet of the feeding head is impacted to be bent, the feeding device is matched with the lifter to lift the lap joint plate, is matched with the replacement clamping strip to replace the feeding head, and is matched with the limiting sliding column to limit the position of the lap joint plate in the later lifting process; and the feeding head at on