Circulating crusher capable of screening and automatically returning materials

The utility model discloses a circulating crusher capable of screening and automatically returning materials, and relates to the technical field of crushing. The circulating crusher with the screening and automatic material returning functions comprises a crusher body, a feeding belt conveyor is arranged on the crusher body, a main machine assembly is arranged below the feeding belt conveyor, a main belt conveyor is arranged on the crusher body, and a material returning belt conveyor is arranged on the crusher body. The downward inclined end of the feeding belt conveyor is movably connected with a feeding belt conveyor roller, a material returning system is formed through mutual cooperation of the main belt conveyor, the material returning screen and the under-screen belt conveyor, and then materials which do not conform to required specifications are circularly crushed until the materials conform to the required specifications are obtained. The crushing quality of the materials is improved, meanwhile, the qu