Raw material crushing device for environment-friendly building material preparation

The utility model discloses a raw material crushing device for preparing an environment-friendly building material. The utility model relates to the field of raw material crushing devices. The devicecomprises a main tank, a bottom tank is fixedly mounted at the bottom end of the main tank, a base is fixedly mounted at the bottom end of the bottom tank, a motor is fixedly mounted in the center ofthe top end of the main tank, an upper cover is fixedly mounted at the upper end of the main tank, a mounting seat is fixedly mounted in the upper cover, and the motor is fixedly mounted on the outersurface of the upper end of the mounting seat. According to the utility model, the crushing frame, the chassis, the sieve plate and the sieve holes are arranged; in use, introducing raw materials intoa comminuting box, then, a motor on the mounting base is started; the crushing frame is driven by the motor to rotate so as to crush raw materials in the crushing box, and when crushed particles of the raw materials reach the s