AIR-SIEVE GRAIN CLEANING MACHINE Russian patent published in 2019 - IPC B07B4/02 

FIELD: agriculture; machine building.

SUBSTANCE: invention relates to the grain cleaning equipment and can be used in agriculture for the seeds sorting. Air-sieve grain cleaning machine includes upper and lower sieve pans, connected to the fan sediment chamber, preliminary and final aspiration pneumatic channels, feeding roller and the heavy and light impurities removal augers. At the lower sieve pan end under the final aspiration vertical pneumatic channel opening, dividers are installed, located at an angle of 40–45 ° in the horizontal plane. Dividers are made in the form of combs, which teeth have the shape of a truncated cone. Cone upper base is 1/3 of the cone lower base, which has openings for its attachment to the lower sieve pan. From the sides the divider teeth have oppositely directed sides, which height is 1/4 of the final aspiration pneumatic channel width. Divider cone upper base has a width equal to 5–6 sizes of the seed width.

EFFECT: grain cleaning machine provides improved quality of the sunflower seeds pile separation.

1 cl, 3 dwg