Short Description:

The machine uses the effect of air flow and vibration friction on materials by adjusting the amplitude and angle of inclination, and can separate the heavy impurities such as stones in grains, so as to make the materials with larger proportion sink at the bottom and move from low to high near the screen surface; the materials with smaller proportion are suspended on the surface and move from high to low, so as to achieve the separation effect. The utility model has the advantages of convenient movement, adjustable amplitude and good stone removal effect.