PROBLEM TO BE SOLVED: To provide a grain discharging structure provided with a vertical auger and a horizontal auger connected to an upper part of the vertical auger to be vertically rotatable, which simplifies the structure and reduces a cost, and stabilizes the vertical rotational motion of the horizontal auger with respect to the vertical auger.SOLUTION: The grain discharging structure includes: a transmission shaft 102 which is arranged on the same axis as a rotational center O and provided to extend over both of a vertical auger cylinder 104 and a horizontal auger cylinder 107 via a discharge opening 106 and a receiving opening 109, and has one end operably linked to a vertical conveying shaft 105, and the other end extending outward from the opposite side of the horizontal auger cylinder 107 to the vertical auger cylinder 104 and a transmission unit 103 provided to the horizontal auger cylinder 107 so that the other end of the transmission shaft 102 is operably linked to a base end of the horizontal conveying shaft 108 extending outward from a base end side of the horizontal auger cylinder 107.COPYRIGHT: (C)2012,JPO&INPIT【課題】縦オーガと前記縦オーガの上部に上下方向回動可能に連結された横オーガとを備えた穀粒排出構造であって、構造簡略化及び低コスト化を図りつつ、前記横オーガの前記縦オーガに対する上下回動動作の安定化を図り得る穀粒排出構造を提供する。【解決手段】回動中心Oと同軸上に配置され且つ放出口106及び受入口109を介して縦オーガ筒104及び横オーガ筒107の双方に跨るように設けられた伝動軸102であって一端部が縦搬送軸105に作動連結され且つ他端部が横オーガ筒107における縦オーガ筒104とは反対側から外方へ延在された伝動軸102と、伝動軸102の他端部を横オーガ筒107の基端側から外方へ延在された横搬送軸108の基端部に作動連結するように横オーガ筒107に設けられた伝動ユニット103とを備えた。【選択図】図5