DISC MILL Russian patent published in 1999 - IPC

FIELD: milling equipment. SUBSTANCE: disc mill includes driven shaft in the form of crankshaft arranged in housing having cover with window and discharge hopper and lower disc mounted on journal with possibility of free rotation. Spring-loaded upper disc with central opening is mounted in window of cover and fixed against rotation. In second variant two crankshafts are arranged in mill housing with possibility of synchronous rotation. Lower disc is mounted on journals of said shafts with possibility of free rotation. Lower disc performs circular oscillations. In order to compensate unbalance of lower disc, each crankshaft is combined with counterweight. Upper disc includes cavity with ducts for passing cooling medium providing heat removal out of working zone. EFFECT: simplified design of disc mill with enlarged functional possibilities. 7 cl, 2 dwg