摘 要
当今社会，公交车是人们重要的交通运输工具，无论是载人载物，旅行观光，或者是外出代步等等场合都要用到，在人们的日常生活中，无处不见公交车的踪影。随着公交车乘车对象越来越大众化国，一些纸币、硬币数量也在随之增加，这给公交车公司在点钞人员带来了更大的困难，传统的通过人工分类、清点的方式已经不能满足实际要求了，设计出一款自动钱币自动分类、清点机迫在眉睫。
本文运用大学所学的知识，提出了钱币自动分类、清点机的结构组成、工作原理以及主要零部件的设计中所必须的理论计算和相关强度校验，构建了钱币自动分类、清点机的设计总的指导思想，从而得出了该钱币自动分类、清点机的设计的优点是高效，经济。
关键词：钱币；机械设备；钱币自动分类；经济

Abstract
In today's society, the bus is one of the most important means of transportation, both manned loading, sightseeing, or go out to travel and so on occasions to be used in people's daily life, no trace of the bus. As the bus ride object is more and more popular in China, some banknotes and coins in the number increased to the bus company in counting personnel brought greater difficulties, through traditional manual classification, counting way cannot meet the actual requirements, design a kind of automatic classification, automatic coin counting machine imminent.
This paper puts forward the structure, working principle and relative intensity of the structure, working principle and the design of main parts of the paper. It also constructs the guiding ideology of the design.
Key words：Machine manufacture;Crankshaft;Processing craft;Fixture;
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