Hierarchical ore crusher

The utility model discloses a hierarchical ore crusher belongs to mineral breaker technical field, has solved the problem that breaker crushing efficiency is low in the conventional art, hubei province board is changed the difficulty, need be carried out broken processing once more, which comprises a frame, the one side at frame top is equipped with the flywheel, the center department of flywheel is equipped with the bearing, the bearing is articulated with the eccentric shaft, the inboard of eccentric shaft is connected with through the sliding shaft moves hubei province board, the opposite face that moves hubei province board is equipped with quiet hubei province board, it includes that over -driven hubei province board moves hubei province board under with to move hubei province board, over -driven hubei province board moves under and is equipped with slider between the board of hubei province, it is equipped with adjusting device to move down between bottom and the support of hubei province board, the adjusting device below is equipped with the pull rod, the top of pull rod is equipped with compression spring, compression spring and the inboard fixed connection of frame. The utility model discloses the combination of utilization awl tooth, dogtooth combination and slide rail have been realized further broken after the preliminary breakage of ore, have promoted the degree of fragmentation of ore, adopt the structure of working plate and bottom plate simultaneously, make damaged working plate be liable to change.