脱粒机按其脱粒方式可分为全喂入式和半喂入式两类。把作物全部喂入脱粒装置进行脱粒的称为全喂入式脱粒机;只把作物穗头部分喂入脱粒装置,脱粒后茎杆保持完整的脱粒机称为半喂入式脱粒机。脱粒机按结构及功能的完备程度可分为简易式、半复式和复式三种。简易脱粒机仅有脱粒装置,只能将籽粒脱下,而分离和清选等工作则需要由人工或其它机具去完成,其 Threshing machine according to the threshing method can be divided into full-fed and semi-fed two types. All the crops are fed into the threshing device threshing called full-feed thresher; only the crop head fed to the threshing device, threshing thresher stem remains intact called semi-fed thresher. Threshing machine according to the completeness of the structure and function can be divided into simple, semi-duplex and complex three. Simple threshing machine only threshing device, only the seeds off, and separation and cleaning and other work needs to be done by the human or other equipment, its