WINNOWING DEVICE FOR DEHULLING TREATMENT MACHINE

摘要

PROBLEM TO BE SOLVED: To improve precision of a winnowing treatment in an impeller type dehulling sorter. SOLUTION: In a dehulling treatment machine composed of a dehulling part 1 having an impeller and an auxiliary winnowing part 2 for receiving dehulled rice from the dehulling part 1 to separate and sort the same into mixed rice of unhulled rice and unpolished rice and chaff and immature rice and constituted so as to supply the mixed rice of the unhulled rice and the unpolished rice and the chaff and the immature rice to a lower main winnowing part 3 from the auxiliary winnowing part 2, a damming plate 15 is provided to the auxiliary winnowing part 2 in a dehulled rice ejecting direction so as to separate and sort the chaff and the immature rice crossing over the damming plate 15 and the mixed rice of the unhulled rice and the unpolished rice impinging against the damming plate 15 to be guided downward to let both of them fall to the main winnowing part 3 through communication ports 19 and 20. COPYRIGHT: (C)2005,JPO&NCIPI