SEED GRINDING MACHINE Russian patent published in 2014 - IPC A01C1/00 

FIELD: agriculture.

SUBSTANCE: machine for grinding seeds comprises a grinding drum, which inner surface is coated with a layer of rubber, a metering hopper, and an unloading tray. The grinding drum is made in the form of container elastically mounted on the base with vibration exciter and mounted of two or more helical tetrahedral columns connected to a single technological chain. The inner surface of the columns is coated with a layer of rubber. The columns are rigidly mounted in tiers one under the other with the opposite direction of three broken helical column lines in a container closed on all sides. The latter has transitional lids coated inside with a rubber layer.

EFFECT: use of the invention enables to enhance the technological capabilities, to simplify the design and improve the performance.

6 dwg