| abstract |
The invention discloses a crusher with a multistage crushing function, which comprises a material storage box, conveying rods, a conduction channel, a feeding box, a box body and a bottom plate, wherein the box body is fixed on the bottom plate, a rotating motor is arranged at the central position of the outer side wall of the top of the box body, the output end of the rotating motor is connected with a rotating shaft, the rotating shaft vertically extends into the inner cavity of the box body, a plurality of groups of crushing rods are uniformly arranged on the rotating shaft, a first crushing roller is arranged in the box body, a first material guide plate inclining downwards is arranged below the first crushing roller, a vertical rotating grinding disc and a telescopic grinding disc are arranged below the first material guide plate, two second material guide plates are arranged below the rotating grinding disc and the telescopic grinding disc, a static crushing plate and a swinging crushing plate are respectively arranged on two sides above a discharge port, and air suction fans are arranged at the upper end and; the dust collector can collect dust in the crushing process, and avoids the harm to the health of constructors and the environmental pollution caused by dust flying. |