PLANETARY MILL Russian patent published in 2004 - IPC

FIELD: grinding equipment.

SUBSTANCE: planetary mill has casing, carrier made in the form of faceplate mounted on vertical shaft inside casing and connected through V-belt transmission with drive, grinding drums with detachable covers, disk-shaped holders of grinding drums equipped with clamping devices and arranged on carrier peripheral parts, bearing units for holders composed of bearings mounted on shaft inside ring, and satellite pulleys connected through V-belts with central immovable multiple-run pulley. Bearing unit shafts are immovably fixed in carrier in cantilevered manner. Satellite pulleys are mounted on rings, where bearings are mounted. Milling drum clamping devices are made in the form of sleeves with threaded inner surface of their throats adapted to be screwed on threaded side surfaces of drum holders until sleeve bottoms abut against drum covers. Central multiple-run pulley may be made dismountable.

EFFECT: enhanced reliability in operation and prolonged service life of planetary mill.

2 cl, 2 dwg