空调装配自动化生产线工艺研究及系统设计

发布时间：2018-03-11 04:06

本文选题：自动化生产线　切入点：制造工艺　出处：《广东工业大学》2015年硕士论文　论文类型：学位论文

【摘要】：科学技术和制造工艺研究的快速发展,特别是计算机技术、通讯技术和电子技术、制造工艺学等技术的发展,促使工业生产的自动化技术水平在不断的提高。PLC(可编程控制器)作为一种专门应用于工业环境的自动化设备,具有抗干扰能力和稳定性强等特点,在工业控制领域占据重要的地位,以PLC为核心的集成各种自动化专机和工业机器人的自动化系统已成为当今企业寻求产业升级,转变生产方式,提升效率,减低生产成本追逐的目标,是工业自动化领域研究的一个热点方向。本文主要针对当前空调自动化生产线的生产装配工艺问题进行分析和研究,提出并设计出满足现代工业生产的空调自动化生产控制系统。本系统采用以西门子PLCS300为控制核心,一方面,结合空调自动化生产线的生产工艺特点,对特定的工艺、工序进行分析和技术可行性研究,提出了特定工序工艺的自动化解决对策,如抽真空检测工作站和码垛移载工作站实现自动化操作。另一方面,对系统进行整体框架及软硬的设计,硬件设计包括：器件的选型,如PLC型号、触摸屏、传感器等。电气电路设计,如对动力系统、抽真空子系统、码垛移载系统的电路硬件设计及其工作原理的分析。系统抗干扰能力的提升和改善,提出了消除电源干扰、控制系统、外部配线干扰对系统操作的影响。软件设计则是借助西门子TIA(集成工业自动化)技术的开发平台,以功能模块化的设计理念,对系统各个子部分进行编程和组态,其包括定位／隔离子系统、动力系统、系统异常报警系统、产线产量统计、.自动化设备联动系统的软件编程和系统电路硬件的组态、监控界面、报警系统、登录界面等软件的组态,整个系统通过PROFIBUS-DP现场总线的通信方式将各功能模块整合起来,实现对空调自动化生产线装配、测试、打包等多个环节的全程可监控的自动化。将本项目研究应用于空调自动化生产线控制系统中,实现对自动化生产线生产数据的实时监控,对装配、测试、组装工艺参数进行了有效设计。本系统还具备上位监控和远程功能,能实现数据的远程传送。设计所采用的‘PLC控制系统具有综合性强、性价比高等特点,通过对本项目的综合调试,实现了对多个装配岗位作业的自动化,完成了系统设计要求。本文为其他自动化生产线的自动化、无人化应用提供了设计思路。
[Abstract]:The rapid development of science and technology and manufacturing technology research, especially the development of computer technology, communication technology and electronic technology, manufacturing technology, etc. The automation technology level of industrial production is continuously improved. PLC (Programmable Controller), as an automatic equipment specially applied in industrial environment, has the characteristics of anti-interference ability and strong stability. In the field of industrial control, the automation system which integrates all kinds of automation machines and industrial robots with PLC as the core has become an enterprise seeking industrial upgrading, changing production mode and improving efficiency. The goal of reducing production cost is a hot research direction in the field of industrial automation. This paper mainly focuses on the analysis and research of the production and assembly process of the current air conditioning automation production line. This system adopts Siemens PLCS300 as the control core. On the one hand, combined with the characteristics of the production process of the automatic production line of air conditioning, the specific process is introduced. The process analysis and technical feasibility study are carried out, and the solutions to the automation of specific process processes are put forward, such as vacuum testing workstation and palletizing load shifting workstation to realize automatic operation. On the other hand, The hardware design includes the selection of devices, such as PLC model, touch screen, sensor and so on, electric circuit design, such as power system, vacuum pumping subsystem, etc. The circuit hardware design of palletizing and load shifting system and the analysis of its working principle, the enhancement and improvement of system anti-interference ability, the elimination of power interference and the control system are put forward. The software design is based on the development platform of Siemens TIA (Integrated Industrial Automation) technology to program and configure each sub-part of the system with the concept of function modularization. It includes positioning / isolation subsystem, power system, system abnormal alarm system, production line output statistics, automatic equipment linkage system software programming and system hardware configuration, monitoring interface, alarm system, Login interface and other software configuration, the whole system through the PROFIBUS-DP fieldbus communication mode to integrate the various functional modules, to achieve the automatic production line of air conditioning assembly, testing, This project is applied to the control system of the automatic air conditioning production line to realize the real-time monitoring, assembly and testing of the production data of the automatic production line. The assembly process parameters are effectively designed. The system also has the functions of supervisory control and remote control, and can realize the remote transmission of data. The PLC control system used in the design has the characteristics of strong comprehensiveness, high performance-to-price ratio, and so on. Through the comprehensive debugging of this project, the automation of many assembly jobs is realized, and the system design requirements are fulfilled. This paper provides a design idea for the automation and no-man application of other automatic production lines.
【学位授予单位】：广东工业大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TB497;TB657.2

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