GRAIN CLEANING MACHINE Russian patent published in 2015 - IPC B07B1/22 

FIELD: agriculture.

SUBSTANCE: grain cleaning machine comprises a feeding device, a sieve drum mounted on the drive shaft, consisting of cylindrical sieves mounted with longitudinal displacement, in the lower part of which the clamping webs of cylindrical shape are located, the receivers of fine, basic and long fractions, located under each other sequentially behind the sieve drum. The sieve drum consists of three blocks of cylindrical sieves with different openings. The working size of the openings of the upper block of the cylindrical sieves is smaller than the width of the treated grain seeds. The size of the openings of the sieves of the middle block is greater than the width of the treated grain seeds. The size of the openings of the sieves of the lower block is larger than the size of openings of the upper block, but smaller than the size of openings of the middle block of the cylindrical sieves.

EFFECT: increase in efficiency of cleaning of the grain cleaning machine.

3 dwg