本文關鍵詞：斗式提升機料斗專用焊機控制系統(tǒng)的設計與研究　出處：《石河子大學》2017年碩士論文　論文類型：學位論文

  更多相關文章： 斗式提升機料斗 焊機控制系統(tǒng) 自動焊接 GTS運動控制卡

【摘要】：在各類現(xiàn)代化的工業(yè)和企業(yè)中,斗式提升機是生產(chǎn)過程中組成流水線、作業(yè)運輸線和自動化生產(chǎn)線不可或缺的環(huán)節(jié)。在運輸物料過程中,隨著料斗與傳動鏈、物料等的磨損,使得料斗成為消耗品,使用壽命在一年左右。新疆某化工企業(yè)對配件料斗的加工一直采用手工焊接。傳統(tǒng)的手工焊接存在著諸多問題,比如生產(chǎn)效率低成本高、產(chǎn)品質(zhì)量不穩(wěn)定、人工勞動強度大、焊接環(huán)境差等。為此設計了一種基于運動控制卡的料斗自動焊機控制系統(tǒng),結(jié)合相應的機械系統(tǒng),以滿足各類型號料斗的自動焊接。為實現(xiàn)斗式提升機關鍵零部件料斗焊接過程中的自動化控制,將運動控制卡和VB6.0軟件應用于料斗自動焊機控制系統(tǒng)的硬件配置和軟件實現(xiàn)中,并系統(tǒng)闡述了料斗自動焊機控制系統(tǒng)的硬件、軟件的組成與實現(xiàn)。本文主要研究內(nèi)容如下:1、以斗式提升機料斗的焊縫為研究對象,通過對料斗的焊縫的結(jié)構(gòu)分析,結(jié)合分析結(jié)果對焊縫結(jié)構(gòu)進行改進。針對改進后的焊縫結(jié)構(gòu)進行焊接工藝的分析,選定了混合氣體保護焊的焊接方法,并確定了混合氣體的成分,選定了相應的焊材及相關工藝參數(shù)。通過焊縫結(jié)構(gòu)工藝的研究和選型,結(jié)合料斗焊接的工藝要求,提出了斗式提升機料斗焊縫自動焊接的基本技術(shù)要求。2、根據(jù)斗式提升機料斗自動焊接的基本技術(shù)要求,設計了斗式提升機料斗專用焊機總體結(jié)構(gòu),并在此基礎上完成了其機械本體的設計。此外選定了控制系統(tǒng)的方案為NC嵌入IPC型的開放式數(shù)控系統(tǒng),并闡明了控制系統(tǒng)的組成結(jié)構(gòu),介紹了控制系統(tǒng)的工作原理。最后選定的執(zhí)行機構(gòu)的控制方案為交流伺服電機和伺服驅(qū)動器組成的高精度閉環(huán)控制系統(tǒng)。3、結(jié)合控制系統(tǒng)總體方案完成了控制系統(tǒng)硬件結(jié)構(gòu)設計,在此基礎上確定了運動控制卡及工控機的型號;其次完成了硬件結(jié)構(gòu)中的伺服系統(tǒng)的選用,選定了交流伺服電機及相對應的伺服驅(qū)動器。最后結(jié)合相關焊接工藝參數(shù),確定了焊接系統(tǒng)中焊接電源和送絲機的型號。4、結(jié)合控制系統(tǒng)總體方案完成了系統(tǒng)軟件的整體設計,軟件系統(tǒng)的總體設計主要包括主機應用程序和下位機控制程序兩部分。其次完成了主機應用程序的設計,主要為上位機IPC系統(tǒng)軟件功能需求分析和人機交互界面的設置。最后結(jié)合焊接過程主程序流程圖和固高運動控制卡的相關程序控制指令完成了下位機運動及焊接程序的設計。5、按照設計的控制系統(tǒng)硬件結(jié)構(gòu)完成了控制系統(tǒng)試驗臺的安裝,結(jié)合安裝好的試驗臺進行了一系列控制系統(tǒng)的調(diào)試,完成對焊接平臺執(zhí)行機構(gòu)、控制系統(tǒng)內(nèi)部硬件結(jié)構(gòu)以及其他系統(tǒng)的控制調(diào)試,通過對控制系統(tǒng)試驗臺的測試,整個控制系統(tǒng)能按照設計要求,控制精度滿足設計要求,與設計理論相符,證明了本控制系統(tǒng)在實際工程應用中的可行性。
[Abstract]:In all kinds of modern industries and enterprises, bucket hoist is an indispensable link of assembly line, operation transportation line and automatic production line in the process of production. In the process of transporting materials, with hopper and transmission chain. The wear of materials makes the hopper become consumable, and its service life is about one year. A chemical enterprise in Xinjiang has been using manual welding for the spare parts hopper. There are many problems in traditional manual welding. For example, the production efficiency is low, the cost is high, the product quality is unstable, the manual labor intensity is high, the welding environment is poor, so a control system of the hopper automatic welding machine based on the motion control card is designed, combined with the corresponding mechanical system. In order to meet the automatic welding of various types of hopper. In order to realize the automatic control of hopper welding process of the key parts of bucket hoist. The motion control card and VB6.0 software are applied to the hardware configuration and software implementation of the hopper automatic welding machine control system, and the hardware of the hopper automatic welding machine control system is systematically expounded. The main contents of this paper are as follows: 1. The weld seam of hopper hopper is taken as the research object, and the structure of the weld seam of hopper is analyzed. Based on the analysis results, the weld structure is improved. According to the analysis of the welding process of the improved weld structure, the welding method of mixed gas shielded welding is selected and the composition of the mixed gas is determined. Through the research and selection of weld structure technology, combined with the requirements of hopper welding process, the basic technical requirements of automatic welding of bucket hoist hopper are put forward. 2. According to the basic technical requirements of hopper automatic welding for bucket hoist, the overall structure of special welding machine for bucket hoist hopper is designed. On this basis, the design of the mechanical ontology is completed. In addition, the scheme of the control system is selected as NC embedded IPC open CNC system, and the structure of the control system is expounded. The working principle of the control system is introduced. Finally, the control scheme of the actuator is composed of AC servo motor and servo driver with high precision closed-loop control system .3. The hardware structure of the control system is designed based on the overall scheme of the control system, and the model of the motion control card and the industrial control computer is determined. Secondly, the selection of the servo system in the hardware structure is completed, and the AC servo motor and the corresponding servo driver are selected. Finally, the related welding process parameters are combined. The welding power source and wire feeder model. 4 in the welding system are determined. The overall design of the system software is completed combined with the overall scheme of the control system. The overall design of the software system mainly includes the host application program and the lower computer control program. Secondly, the design of the host application program is completed. It is mainly for the function requirement analysis of IPC system software and the setting of man-machine interface. Finally, combined with the main program flow chart of welding process and the related program control instructions of the fixed height motion control card, the motion of the lower computer is completed. Welding procedure design 5. 5. According to the hardware structure of the designed control system, the installation of the control system test bench is completed, and a series of debugging of the control system is carried out in combination with the installed test bed, and the welding platform execution mechanism is completed. The hardware structure of the control system and the control debugging of other systems, through the test of the control system test bench, the whole control system can meet the design requirements according to the design requirements, the control precision meets the design requirements, which is consistent with the design theory. The feasibility of the control system in practical engineering application is proved.
【學位授予單位】：石河子大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TG43;TH225

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