自动玉米脱粒机设计 作为农作物的一种，玉米也是人们的日常生活中常见的食物之一，而且玉米浑身都是宝，对维持人体健康有极大的作用。玉米能够开胃健脾、除湿利尿、降血压、降血脂和延缓衰老，它甚至还可以补血，美容、减肥，增加人体蛋白质。它还可以用来煮汤，爆炒等等，食用起来非常可口，是不可多得的美味佳肴。在所有主食中，玉米的营养价值和保健作用是最高的。玉米中含有的核黄素等高营养物质，对人体是十分有益的。与大豆、小麦相比，玉米的脂肪、蛋白质含量较低，碳水化合物含量较高，因而玉米制品越来越受到健身以及减肥人士的青睐。 本次设计的题目是自动玉米脱粒机的设计，传统玉米脱粒都是依靠人工，这样工作效率低，质量也得不到保证。而本课题设计的自动玉米脱粒机，可以实现玉米的自动脱粒：通过安装在机架上面的滚轮和腰轮的相对运动从而实现玉米的自动脱粒，这种结构，可以在人工脱粒的基础上面大大地提高生产效率，降低劳动成本，玉米脱粒率高且脱粒干净，甚至能够实现玉米粒和玉米杆的自动分离及回收。 关键词：农作物；营养；自动玉米脱粒机；结构；分离 Abstract As a kind of crop, corn is also one of the common foods in people's daily life, and corn is fullof treasures, which plays a great role in maintaining human health. Corn can appetizer and invigorate the spleen, dehumidify diuresis, lower blood pressure, lower blood lipids and delay aging.It can even replenish blood, beauty, weight loss, and increase human proteina It can also be used to cook soup, fried and so on, it is very delicious to eat,is a rare delicacy. Of all the staple foods,corn Its nutritinal value and health care rdle are the highest. Corn contains high nutrients such as riboflavin,which is very important to the human body. It's good. Compared with soybean and wheat, corn has lower fat and protein contentand higher carbon and water content. As a result, corn products are more and more popular with fitness andweight loss. spoon. The title of this desien is the design of automatic corn granulator. Traditional corn granulation depends on manual work.The efficiency of the work is low, and the quality can not be guaranteed. The automatic corn granulator designed in this paper can realize the automatic granulation of corn through the relative movement of roller and waist wheel installed on the frame, the automatic granulation of corn can be realized. This structure can greatly improve the production efficiency and reduce the labor cost on the basis of manual granulation. The rote is high and the granulation is clean, and even the automatic separction and recovery of corn kernals and corn stalks can be realized. Key words: crop； nutrition；automatic corn granulator；structure；separation 目录 1 绪论 1 1.1 课题的来源与研究的目的和意义 1 1.2 玉米脱粒机国内外研究状况 2 1.3 本课题研究的主要内容 5 2.自动玉米脱粒机总体结构的设计 6 2.1 自动玉米脱粒机的结构设计 6 2.2自动玉米脱粒机的工作原理 7 2.3机械传动部分的设计计算 8 2.3.1电机的选型计算 8 2.3.2 V带传动的设计计算 9 2.3.3传轴的设计计算 12 2.3.4链传动的设计计算 18 3各主要零部件强度的校核 23 3.1机架强度的校核与计算 23 3.2轴承强度的校核计算 24 4设计总结 25 参考文献 26
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