Vibrating screen

The invention provides a vibrating screen. The vibrating screen comprises a rotating vibrating device and a magnetic separation device, wherein the rotating vibrating device comprises a vibrating hopper; a feed inlet I is formed in the upper part of the vibrating hopper; the lower part of the vibrating hopper is connected with a vibrating motor; an adjustable upper hammer is connected to the upperend of a motor shaft of the vibrating motor; an adjustable lower hammer is connected to the lower end of the motor shaft; two layers of mesh screens are fixed in the vibrating hopper; a discharge opening I is formed in the position, at the upper part of the first layer mesh screen, of the hopper wall of the vibrating hopper; a discharge opening II is formed in the position, at the lower part of the second layer mesh screen, of the hopper wall; a discharge opening III is formed in the position, between the first layer mesh screen and the second layer mesh screen, of the hopper wall; the magnetic separation device comp