Rotary vibration cleaning sieve with sieve pore anti-blocking mechanism

The utility model discloses a spin-vibration cleaning sieve with a sieve mesh anti-blocking mechanism in the technical field of spin-vibration cleaning sieves, which comprises a cleaning sieve main body, a plurality of sieve meshes are fixedly mounted in the cleaning sieve main body, a cover body is arranged on the upper end face of the cleaning sieve main body, and a feeding pipe is arranged on the upper end face of the cover body close to one side. A center shaft is arranged in the middle of the bottom end in the cleaning sieve body. Pressing plates are arranged at the positions, close to one side, of the upper end faces of the screens, a rotating plate is fixedly installed on the top end face of the center shaft, a second spring is rotationally installed between the rotating plate and the upper end face of the cover body, and an inserting plate is fixedly installed at the position, close to one side, of the lower end face of the rotating plate; an annular groove is formed in the upper end face of the cover