Building material crusher

The utility model relates to the technical field of crushers, and discloses a building material crusher which comprises a crusher body, the crusher body comprises a shell and crushing rollers, the crushing rollers are symmetrical, the feeding end of the shell is connected with a feeding sleeve, the interior of the shell is evenly connected with material distribution blocks, the top end of the feeding sleeve is provided with a material storage mechanism, and the top end of the material storage mechanism is provided with a material outlet. The feeding sleeve is movably connected with the shell through a bolt, the material distributing block is movably connected with the feeding sleeve through a bolt, the top end of the material distributing block is a plane, and the top end of the material distributing block is connected with a hard rubber sheet. The inside of the feeding sleeve is divided by the material dividing block, so that building materials cannot be concentrated in the middle to fall off when entering t