DEVICE FOR RECLAMATION OF MOLDING SANDS Russian patent published in 1998 - IPC

FIELD: metallurgy, foundry; mechanical reclamation of molding sands by the method of crushing and vibration rubbing irrespective of binder type. SUBSTANCE: device has crushing plates rigidly suspended from body with the help of torsion bars. Crushing plates are provided with vibrators self-synchronized for rotation in counter directions. Vibrators are mounted on pendulum suspended from body with the help of torsion bars and connected with crushing plates by means of hinged levers. EFFECT: reliable self-synchronization of vibrators of pendulum crushing plates. 1 dwg