Crushing device for building sand production

The utility model discloses a crushing device for building sand production. Including a housing, a rotor is horizontally arranged in the shell; the bottom end surface of the shell is arranged in a penetrating manner; the rotor consists of a rotating shaft and a counterattack rod; the two ends of the rotating shaft are horizontally and rotationally connected to the front and rear end faces of the shell through bearings. One end of the rotating shaft penetrates through the side end face of the shell to be provided with a motor, fixing boxes are evenly and fixedly connected to the outer circumferential face of the rotating shaft, counterattack rods are fixedly connected into the fixing boxes through bolts, elastic pieces are fixed to the bottoms of the side end faces of the counterattack rods, and counterattack hammers are fixedly connected to the top ends of the counterattack rods. According to the hammer crusher, the influence of vibration on the stability of the crusher body can be reduced by arranging buffer