GRAIN GRINDING MILL Russian patent published in 2018 - IPC B02C19/00 

FIELD: desintegrators and crushing devices.

SUBSTANCE: invention relates to grinders with screw-shaped crushing devices for fodder grain grinding. Mill contains a receiving hopper, a crushing chamber, a grinding chamber with a working member in the form of a rope connected to the drive shaft. Wires of the outer layer of the rope are twisted with a tangential gap. Grinding chamber is a flexible elastic tube, which is internally coated with antifriction material, equipped with a mechanism for changing the angle of inclination, made in the form of a hydraulic cylinder installed at the end of the grinding chamber. Working member is made in the form of an oval strand of double regular-lay rope, the major axis of the cross section of the oval strand is in the diametral plane of the groove of the screw conveyor. One of the two semicircular parts of the oval strand is constantly facing the inner surface of the body, and the other part is facing the axis of rotation of the working member.

EFFECT: increase in the surface contact of the wires with the transported load and increase in the scooping ability of the working member are provided.

1 cl, 2 dwg