一种新型机械手控制系统的设计与实现.doc
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1、一种新型机械手控制系统的设计与实现摘要:机械手是能模仿人手和臂的某些动作功能,用以按固定程序抓取、搬运物件或操作工具的自动操作装置。它可代替人的繁重劳动以实现生产的机械化和自动化,能在有害环境下操作以保护人身安全,因而广泛应用于机械制造、冶金、电子、轻工和原子能等部门。本课题主要致力于数控机床上的换刀机械手的控制系统的设计与实现。目前,国内已有的机械手结构复杂,成本较高,大都在大型企业中应用。本课题针对数控机床,设计与其配套的换刀机械手,使其既能满足功能要求又具有良好的经济性。在本方案中,我们通过比较各种控制系统的优缺点,最终选用基于PLC的液压控制系统。机械手的全程动作选用液压传动来进行控制
2、;通过选用普通直动液压缸和旋转液压缸作为动力源,降低选材上的成本;通过调研获取设计的参考数据;通过对机械手进行结构分析,功能分析,经济性分析来综合考虑各种设计因素。关键词:液压式; 换刀机械手;控制系统;设计The control system design and implementation for a new manipulatorAbstract: The manipulator can imitate the function of motion of mans hand and arm, it is the automatic operation installment that
3、can capture and carry object or handing tools. It may replace persons heavy labor to achieve the production of mechanization and the automation, it also can operate under the adverse environment protecting the personal safety, thus, it is widely used in machinery manufacturing, metallurgy, electroni
4、cs, light industry and atomic energy. The main issue we focus on is the control system design and implementation of the tool change manipulator for CNC machine. In the current market, manipulators are more complex, have high costs, and mostly used in some large enterprises. The ATC we design for the
5、 NC machine can not only meet the functional requirements but also has a good economy. In this program, we have compared the advantages and disadvantages of various control systems, and the final selection is the hydraulic control system based on PLC. The manipulator is used by hydraulic control to
6、achieve all actions, and by the ordinary straight cylinder and the rotating hydraulic cylinder as a power source for reducing the cost of material. Form investigation and research, we get reference data, analysis the design features of the machine identify workflow, integrated with economic precisio
7、n, to consider comprehensive design factors.Keywords: Hydraulic; ATC Manipulator; Control system; Design目录第一章 概述51.1 引言51.1.1数控机床的特点和发展51.1.2 换刀装置的特点与发展51.2 本课题所涉及的软件61.2.1 CAD技术的应用61.2.2 Pro/E的应用61.3 研究的内容与意义71.3.1课题的来源71.3.2 研究的内容71.3.3 研究的意义7第二章 换刀机械手总体方案设计92.1 原理设计92.1.1 设计思想92.1.2 工作流程92.2 方案设计
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