To simple construction and to make the removal of powder dust effective by abolishing a separating wind induction device to be exclusively used for removing the powder dust in sorted unpolished rice.
This oscillation type husking separator is erected with a primary winnowing passage (4) and secondary winnowing passage (5) to a slightly backwardly inclined state from the upstream side and downstream side of a grain stagnating section (3) formed in mid-way of a downflow trough (2). The grain stagnating section (3) is provided with spring-out vanes (7) which spring out to the secondary winnowing passage (5). An outdoor air suction wind path (12) for winnowing the unpolished rice flowing out of an unpolished rice zone (a) of a separating disk (7) is communicated with the secondary winnowing passage (5). In such a case, the suction wind blown to flow in the outdoor air suction wind path (12) is recommended to be acted on the unpolished rice flowing down on a switching plate (14) for switching the unpolished rice flowing out of the unpolished rice zone (a) to the unpolished rice to be taken out of the machine and the unpolished rice circulating in the machine. The lifting of the finished unpolished rice subjected to the removal of the powder dust is accomplished by opening an air inhalation port at the outer flank of a thrower barrel (16) of an unpolished rice thrower (15) by the thrower.
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YAMANAKA TAKESHI
SHIMAUCHI YASUHIRO
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