DEVICE FOR GRINDING Russian patent published in 2015 - IPC B02C18/00 A01F29/00 A47J43/00 

FIELD: agriculture.

SUBSTANCE: device for grinding comprises a cylindrical housing with a replaceable blade unit, a vertically disposed screw with a variable pitch which decreases in the direction of motion of the feed product. The blade is attached to the screw shaft by means of a lock nut. The screw with its lower end rests on a thrust bearing located in the lower support of the blade unit, and driven in rotation by a gear motor. At that the replaceable unit is attached to the housing by means of four articulated screw clamps providing its fast mounting and removal, and the blades are made of rectangular plates, all sharp edges of which have equal angles of sharpening and located in the grooves of the replaceable unit at a distance from each other in accordance with zootechnical conditions at an angle of 90° with the ability of fixing from falling by a ring spacer plate.

EFFECT: device for grinding is characterised by low power consumption of the grinding process and increase in quality of grinding of the feed product.

3 dwg