PROBLEM TO BE SOLVED: To provide a threshing device that prevents deformation of the cylindrical part of a threshing cylinder and maintains high threshing performance.SOLUTION: A threshing cylinder of a threshing device is characterized as follows: a steel sheet (65) extending along an axial direction of a threshing cylinder shaft (12) is disposed in the hexagon by the shaft center view of the threshing cylinder shaft (12), and forms an outer circumferential surface of a cylindrical part (17) threshing teeth plates (18, 19) with multiple threshing teeth (18A, 19A) set up thereon are provided along the axial direction of the threshing cylinder shaft (12) on a hexagonal respective top part multiple supporting members (51, 52, 53) for supporting the threshing teeth plates (18, 19) are provided in the threshing cylinder shaft (12) and cylinders (54, 55) extending along the axial direction of the threshing cylinder shaft (12) are installed between multiple supporting members (51, 52, 53).COPYRIGHT: (C)2016,JPO&INPIT【課題】扱胴の筒部の変形を防止し、高い脱穀性能を維持する脱穀装置を提供する。【解決手段】扱胴軸(12)の軸心方向に沿って延在する鋼板(65)を、扱胴軸(12)の軸心視で六角形に配置して筒部(17)の外周面を形成し、六角形の各頂部に、扱胴軸(12)の軸心方向に沿って複数の扱歯(18A,19A)が立設された扱歯プレート(18,19)を設け、扱胴軸(12)に、扱歯プレート(18,19)を支持する複数の支持部材(51,52,53)を設け、複数の支持部材(51,52,53)の間に、扱胴軸(12)の軸心方向に沿って延在する円筒(54,55)を架設することにより解決される。【選択図】図8
