Environment-friendly pressure screen with protection mechanism

The utility model relates to the technical field of pressure screens, and provides an environment-friendly pressure screen with a protection mechanism, which is convenient for reducing the influence of residues in a screen filter box on the screening efficiency, can clean a residue pipe, and comprises a base, the screen filter box is arranged on the base, the residue pipe is communicated with the screen filter box, and the environment-friendly pressure screen further comprises two supporting cylinders, a mounting mechanism and two supporting rods are connected to the base, a two-way motor is mounted on the mounting mechanism, two rotating rods are symmetrically connected to the two-way motor, driven rods are rotationally connected to the two supporting rods, the rotating rods and the driven rods are sleeved with main gears and driven wheels respectively, and a plurality of fixing plates are detachably connected to the two driven rods. A striking mechanism is connected between every two adjacent fixing plates,