High-efficiency material crusher

The utility model is applicable to the technical field of material crushing, and provides a high-efficiency material crusher, which comprises a shell, a plurality of crushing blades and a plurality of crushing blades, the crushing assembly comprises a rotating shaft rotationally arranged in the shell, a moving pipe is slidably arranged on the rotating shaft, a threaded block is arranged on the second screw rod, a matching ring is rotationally arranged in the middle of the moving pipe, a connecting plate is arranged between the threaded block and the matching ring, a plurality of lantern rings are arranged on the moving pipe at the two ends of the matching ring, and a plurality of blades are arranged on the side walls of the lantern rings. A plurality of sliding grooves are formed in the lantern rings, two sliding blocks are arranged in each sliding groove in a sliding mode, cross rod sets are arranged between the sliding blocks on the adjacent lantern rings, end plates are arranged at the two ends of the mova