Vibrating screen with adjustable angle and height

The utility model discloses an angle and height adjustable vibrating screen which comprises a bottom plate, the upper end of the bottom plate is fixedly connected with a side plate, the two sides of the side plate are fixedly connected with fixing plates, rotating shafts are arranged in the fixing plates, one sides of the fixing plates are provided with screen cloth, the screen cloth is rotationally connected with the fixing plates through the rotating shafts, and the rotating shafts are arranged on the side plates. Lifting mechanisms are fixedly connected to the two sides of the side plate, each lifting mechanism comprises a bearing, a second threaded rod, a threaded block, a second containing groove, a shell and a second motor, the second containing grooves are formed in the shells, the second motors are arranged at the bottoms of the second containing grooves, and second threaded rods are fixedly connected to output shafts of the second motors. And the outer surface of the second threaded rod is in threade