Hand-operated water sieve for SiC abrasive material

The invention relates to a hand-operated water sieve for SiC abrasive material. The hand-operated water sieve comprises a bottom plate, a supporting plate is arranged at the upper end of the bottom plate, a rotating shaft is arranged on the supporting plate, the right end of the rotating shaft is connected to a special-shaped arm, the right end of the special-shaped arm is connected to a first universal joint, the right end of the first universal joint is connected to a second universal joint, the right end of the second universal joint is connected to a swing arm, the right end of the swing arm is connected to a swing rod, the right end of the swing rod is connected to a limiting guide rod, the right end of the limiting guide rod is connected to an ear, the ear is welded to a pushing plate, and a screen is fixedly connected to the upper end of the pushing plate. According to the sieve, by arranging the swing arm with the second universal joint, shock excitation of the swing arm can be promoted, and shifting