| 摘要 |
PURPOSE:To block counter-flow of grains thus to prevent clogging by providing a guideboard associated with a counter-flow prevention face for guiding the grains at the joint between grain feed screw and inclined lifting screw. CONSTITUTION:A guide member 14 having a collision guide face 16 for guiding the gains dispersed ragially through the screw vane 6 at the end of a screw 4 in the direction of a screw 9, a flow-down face 17 for flowing into the grain lift tube 12 and a face 18 for preventint the counter-flowing grains is provided. The grains fed laterally through the screw 4 are dispersed radially through the vane 6 then colide against the guide face 16 to be flowed into the tube 12. Here, the grains falled onto the flow-down face 17 are inclined with loe underline 21 and flowed into the tube 12 while those which will counter flow through rotation of the screw 9 are blocked by a prevention face 18 to realize smooth flow. |
