Three-axis elliptical vibrating screen capable of preventing holes from being blocked

The utility model relates to the technical field of vibrating screens, and discloses an anti-hole-blocking three-shaft elliptical vibrating screen which comprises a machine body, the input end of the machine body is fixedly communicated with a feeding hopper, a screen plate is arranged in the machine body, a vibration exciter is fixedly installed on the outer surface of the machine body, and the opposite outer surfaces of two fixing plates are rotationally connected with lead screws. A first motor is fixedly installed on the outer surface of the fixing plate on the right side, the output end of the first motor is fixedly connected with a lead screw, the outer surface of the lead screw is in threaded connection with a threaded plate, the opposite outer surfaces of the two connecting plates are rotationally connected with a rotating roller, and a second motor is fixedly installed on the outer surface of the connecting plate on the front side; and a brush is fixedly connected to the outer surface of the rotating