摘要 本课题中所研究的物流分拣系统是一种十分先进而高效的设备，它不但提高了物流分拣的效率、速度而且还提高了分拣工作的正确率。设计本课题的目的在于实现物流分拣的自动化，提高工作效率和准确率，节省人工的成本并降低作业成本。 设计中的行走小车，是物流分拣系统中快件传送的一个环节，用于完成快件从上包机至分拣通道之间的传输工作。整个输送过程是由程序控制的，从而达成了节省人工以及作业成本的目标。 关键词：程序高效正确率自动化节省 目录 第一章绪论··············································1 第二章物流分拣系统·······································1 2.1物流分拣系统综述······································1 2.2国内外分拣系统应用现状及趋势··························4 2.3物流分拣系统的组成····································7 2.4物流分拣系统的特点····································9 2.5物流分拣系统的适用条件································10 2.6物流分拣系统的分类····································11 第三章方案的确定·······································14 3.1小车上的输送装置（带式输送机）························14 3.1.1带式输送机的分类·································14 3.2.2带式输送机的结构及布置方式·······················15 3.1.3输送带的分类·····································15 3.1.4输送带的选择·····································18 3.1.5带式输送机中的托辊和滚筒·························19 3.1.6托辊的选择·······································20 3.2带式输送机中的电机····································21 3.2.1电机综述·········································21 3.2.2电机的分类······································22 3.2.3设计中输送装置电机的选择························22 3.3小车的运动部件·······································24 3.3.1电动机···········································24 3.3.2行走小车的传动带································24 3.3.3小车运动导轨与轮子······························25 第四章零件的选型·······································26 4.1带式输送机的电机选型··································26 4.2小车运动部件的电机选型································27 第五章致谢·············································30 参考文献·················································31 第一章绪论 自动分拣机是按照预先设定的计算机指令对物品进行分拣，并将分拣出的物品送达指定位置的机械。随着激光扫描、ti9aoma及计算机控制技术的发展，自动分拣机在物流中的使用日益普遍。 被检货物经由各种方式，如人工搬运、机械搬运、自动化搬运等送入分拣系统，经合流后汇集到输送装置上。物品接受激光扫描仪对其条形码的扫描，或通过其他自动识别的方式，如光学蚊子读取装置、声音识别输入装置等方式，将分拣信息输入计算机中央处理器中。计算机通过将所获得的物品信息与预先设定的信息进行比较，将不同的被拣物品送到特定的分拣道口位置上，完成物品的分拣工作。分拣道口可暂时存放未被取走的物品。当分拣道口满载时，由光电控制，阻止分拣物品再次进入分拣道口。 第二章物流分拣系统 2.1物流分拣系统综述 分拣作业是物流配送中的一个关键环节，它指的是依据顾客订货要求 或配送中心送货计划，迅速、准确地将商品从储位或其他区域拣出，并按照一定方式进行分类、集中，等待配装送货的作业过程。分拣是配送中心作业中最繁锁、工作量最大的环节，也是配送中心作业系统的核心。 如今，商品经济逐步深入，社会需求呈现出向小批量、多品种方向发