| 后期制作英文 小型玉米脱粒机入料和脱粒装置的设计 摘要 为了减少农民在脱去玉米粒的时候时的劳动强度、提高其农业生产效率,所以设计玉米脱粒机。该机主要有入料口、栅格式凹板和钉齿脱粒滚筒及传动部件等组成。以电动机为动力源，动力由电动机输出轴输出，再通过传动带传递到钉齿脱粒滚筒上，钉齿脱粒滚筒配合栅格式凹板将玉米脱粒，玉米粒从栅格式凹板分离并排出机体外，而玉米芯从入料的另一端排出机体之外。其工艺流程：玉米穗通过入料斗进料口进入钉齿滚筒，在高速回转钉齿滚筒的冲击和玉米穗、钉齿滚筒，栅格式凹版的相互作用下被脱粒。脱下的籽粒通过栅格式凹版由出粒板滑出机体，而玉米芯则随着螺旋排列的钉齿由出芯口排出机体。为了保证有玉米穗顺利的喂入而不堵塞滚筒，进料口下底板应该有一定的斜度，玉米芯排出口应与籽粒排出口保持一定的距离，以免玉米芯与籽粒相混杂。玉米脱粒机的生产效率决定于配套动力的大小。其功率消耗可按1kw.h的功可脱600～1000kgtoro已拨皮的玉米穗计算。未剥皮的玉米穗直接进行脱粒时，其生产率约为misswhite怎么读英语30%～50%。 关键词 脱粒机 入料装置ej 脱粒装置 设计环球职业在线教育 |
Enters and threshers devices design of small scale corn threshing machine Abstract In oder to reducing a peasant during the period of the maize threshes, the intensity of labour, rais working efficiency , designs Corn threshing machine. Be machine's turn to have mainly enter expect that the mouth , bars form notch board and nail tooth the cylinder threshing and drive component etc. are compod of. Take electric motor as driving force source, driving force exports axis output from the electric motor , the nail tooth ed-husking cylinder threshes on the cylinder threshing again by the fact that belt delivery arrives at the nail tooth, coordinating bars form notch board with the corns, besides eds complies with bars form notch board paration and the outside discharging airframe, but the maize core discharges airframe from another one end entering material.Its process flow :The corn ears though hopper entering the threshing device, under the high speed rolling cylinder which installed the nails crash and the corn ears squeeze with the notch board, the ed will be drained. Than drained eds will through the board slipped outside. Cob drained outside under the spiral nails help.In oder to make corn ears fluently entering the body ,and can not clog th the body ,the steel board of the bottom of hopper, should be designed t a angle .The corncob escapement should maintain certain distance with the grain escapement, in order to avoid the corncob and the grain are mixed.Corn threshing's production efficiency decides in the necessary power size. Its power dissipation may be possible to escape 600~1000kg according to the 1kw.h merit to dial the corn skin computation. That has not skinned when directly the corn carries on the ed extraction, its productivity approximately is 30%~50%. Keywords Threshing machine Enter device Thresher device Design |
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