Lithium battery positive electrode material crushing device capable of performing multi-stage crushing

The utility model discloses a lithium battery positive electrode material crushing device capable of performing multi-stage crushing, which comprises a crushing processing frame arranged on the front side of a feeding frame, and further comprises a feeding box fixedly mounted at the top of the feeding frame, a conveying belt and a dust cover are arranged between the lower part of the bottom of the feeding box and the crushing processing frame, and a crushing processing frame is arranged on the feeding frame. And the dustproof cover is fixedly mounted at the top of the crushing processing frame and forms a semi-closed structure on the crushing processing frame, and two sets of extrusion crushing rollers are arranged on the side, close to the conveying belt, in the crushing processing frame side by side. According to the crushing device capable of performing multi-stage crushing for the lithium battery positive electrode material, a lithium battery positive electrode raw material can be uniformly, efficiently a