PROBLEM TO BE SOLVED: To provide a threshing structure of an all culm-input combine in which a threshing performance and grain recovery efficiency can be improved.SOLUTION: A threshing structure of an all culm-input combine includes a threshing cylinder 16 for performing threshing to the reaped grain culms supplied to a threshing chamber 14 by being rotationally driven using a spindle 15 installed along a conveying direction of reaped grain culms as a fulcrum, and a top plate 24 covering the upper side of the threshing cylinder 16. The threshing structure is also equipped with two or more dust vents 49 for guiding the reaped grain culms toward the threshing direction downstream side with the rotary drive of the threshing cylinder 16 to the top plate 24. The threshing cylinder 16 comprises a body component 47 constituting a body section, and two or more threshing teeth 48 protruding from the body component 47 toward the outside.COPYRIGHT: (C)2015,JPO&INPIT【課題】脱穀性能や穀粒回収効率の向上を図ることができる全稈投入型コンバインの脱穀構造を提供する。【解決手段】刈取穀稈の搬送方向に沿って架設した支軸15を支点にして回転駆動されることで、扱室14に供給された刈取穀稈に対して脱穀処理を施す扱胴16と、その扱胴16の上部側を覆う天板24とを備え、天板24に、扱胴16の回転駆動に伴って刈取穀稈を脱穀処理方向下手側に向けて案内する複数の送塵弁49を装備した全稈投入型コンバインの脱穀構造において、扱胴16を、その本体部分を構成する本体構成部材47と、その本体構成部材47から外方に向けて突出する複数の扱歯48とから構成してある。【選択図】図3
