Drilling fluid vibrating screen with anti-splash cover plate

The invention discloses a drilling fluid vibrating screen with an anti-splash cover plate. The drilling fluid vibrating screen comprises a base, wherein a screen box is arranged above the base and is connected with an inclination angle regulation device; the inclination angle regulation device is used for regulating the inclination angle of the screen box; fixing brackets are arranged on the two sides of the screen box to fix the screen box; a tumbler beam is arranged on an upper beam of the fixing bracket on each side, and one end of the tumbler beam is rotatably connected with the fixing bracket, while the other end of the tumbler beam is connected with the inclination angle regulation device; when the inclination angle regulation device regulates the inclination angle of the screen box, the tumbler beams rotate with the screen box; the two tumbler beams are provided with a first rotatable cover plate on which a baffle plate is connected; and the baffle plate is inserted into the screen box to block mud. Ac