Problem to be solved: to provide a general-purpose combine harvesting apparatus for adjusting the feed rate of the decontamination processing material sent rearward through the treatment room and the dust discharging chamber according to the amount of the supplied cutting allowance, to increase the yield of the grains without the occurrence of clogging.Solution: a waste dust plate 11 is provided in the first half portion of the chamber 8, and a dust discharge processing chamber 17 is provided on the rear side of the handling chamber 8 with a plurality of dust delivery plates 11 which are mounted on the chamber 8 and inclined to the rear side of the guide surface to the inner wall of the chamber 8, and the dust discharging processing chamber 17 is mounted on the rear side of the chamber 8, and the post dust board 11a provided in the first half of the chamber This is a threshing apparatus of a general purpose combine capable of changing the inclination angle of the guide surface of the trailing dust plate 11b provided in the half portion.Diagram【課題】本発明は、供給される刈取穀稈の量に応じて扱室や排塵室内を通して後方へ送られる脱穀処理物の送り速度を調整して詰りが発生することなく穀粒の収量を増やすようにした汎用コンバインの脱穀装置とすることを課題とする。【解決手段】扱胴７を扱室８に軸架すると共に扱室８の内壁にガイド面を後方に向けて傾けた複数の送塵板１１を設けて、扱室８の後側部に排塵処理胴１７を軸架した排塵処理室１８を併設した脱穀装置において、扱室８の前半部に設ける前送塵板１１ａと後半部に設ける後送塵板１１ｂのガイド面の後傾斜角度を変更可能にした汎用コンバインの脱穀装置とする。【選択図】図４
