【摘要】：粉末成型機(jī)是粉末冶金中重要的設(shè)備之一,隨著我國粉末冶金行業(yè)的高速發(fā)展,粉末成型機(jī)的智能化程度低已經(jīng)成為制約其發(fā)展的重要原因。為了提高粉末成型設(shè)備的智能化程度,急需一套能實(shí)現(xiàn)該設(shè)備遠(yuǎn)程監(jiān)控與服務(wù)的系統(tǒng),在線監(jiān)控設(shè)備的運(yùn)行狀態(tài),及時發(fā)現(xiàn)故障并提供遠(yuǎn)程服務(wù)。本文以HPP8500型粉末成型機(jī)為研究對象,研發(fā)了大型粉末成型設(shè)備的遠(yuǎn)程監(jiān)控與服務(wù)單元。文中分析了遠(yuǎn)程監(jiān)控、粉末成型機(jī)調(diào)模和下沖回彈裝置的研究現(xiàn)狀,對大型粉末成型設(shè)備的遠(yuǎn)程監(jiān)控與服務(wù)單元進(jìn)行了總體設(shè)計(jì)。研發(fā)了基于STM32微控制器的下位機(jī)現(xiàn)場監(jiān)控前端,該監(jiān)控前端可以獲取粉末成型機(jī)的機(jī)器參數(shù)、壓制參數(shù)、運(yùn)行參數(shù)并通過3G通訊方式,傳輸?shù)竭h(yuǎn)程服務(wù)平臺,而上位機(jī)遠(yuǎn)程服務(wù)平臺利用C#進(jìn)行開發(fā),整個系統(tǒng)實(shí)現(xiàn)了遠(yuǎn)程輔助調(diào)模、電控下沖回彈、遠(yuǎn)程狀態(tài)監(jiān)測、遠(yuǎn)程控制等功能。在遠(yuǎn)程監(jiān)控和服務(wù)單元的基礎(chǔ)上,針對粉末成型設(shè)備在使用中遇到的調(diào)模困難問題,提出了基于優(yōu)選法和模糊控制相結(jié)合的調(diào)模算法;對粉末成型設(shè)備在脫模過程中,出現(xiàn)的產(chǎn)品開裂問題,設(shè)計(jì)了電控下沖回彈裝置。并最終在HPP8500型粉末成型機(jī)上對上述調(diào)模方法和電控回彈裝置進(jìn)行了驗(yàn)證。結(jié)果表明,上述方法有效地提高了調(diào)模效率,降低了調(diào)模難度,提高了產(chǎn)品的合格率。研究設(shè)計(jì)的遠(yuǎn)程監(jiān)控與服務(wù)單元已經(jīng)在粉末成型機(jī)上得到了初步應(yīng)用,實(shí)現(xiàn)了對HPP8500型粉末成型機(jī)遠(yuǎn)程監(jiān)控與服務(wù)的預(yù)期目標(biāo),提高了傳統(tǒng)機(jī)械式粉末成型壓力機(jī)的智能化水平,對大型粉末成型壓機(jī)及其他制造裝備的監(jiān)控與服務(wù)都具有一定的實(shí)際參考價(jià)值。
[Abstract]:Powder forming machine is one of the important equipment in powder metallurgy. With the rapid development of powder metallurgy industry in China, the low degree of intelligence of powder forming machine has become an important reason to restrict its development. In order to improve the intelligence of powder forming equipment, a system is urgently needed to realize the remote monitoring and service of the equipment, to monitor the running state of the equipment online, to detect faults in time and to provide remote service. Taking HPP 8500 powder forming machine as the research object, the remote monitoring and service unit of large powder forming equipment is developed in this paper. In this paper, the research status of remote monitoring, mould adjustment and down impact springback device of powder forming machine is analyzed, and the overall design of remote monitoring and service unit of large powder forming equipment is carried out. Based on STM32 microcontroller, the field monitoring front end of lower computer is developed. The monitoring front end can obtain machine parameters, pressing parameters, running parameters of powder forming machine and transmit them to remote service platform through 3G communication mode. The remote service platform of the host computer is developed with C #. The whole system realizes the functions of remote auxiliary mold adjustment, electronic control and springback, remote state monitoring, remote control and so on. On the basis of remote monitoring and service unit, aiming at the difficult problem of mould adjustment encountered in powder forming equipment, this paper puts forward an adjustment algorithm based on the combination of optimization method and fuzzy control. In order to solve the problem of product cracking, an electrically controlled down-impact springback device is designed. Finally, the control method and electronic springback device are verified on HPP8500 powder forming machine. The results show that the method can effectively improve the efficiency of mould adjustment, reduce the difficulty of mould adjustment, and improve the qualified rate of the product. The research and design of remote monitoring and service unit has been applied in powder forming machine, and the expected goal of remote monitoring and service of HPP8500 powder forming machine has been realized, and the intelligence level of traditional mechanical powder forming press has been improved. It has certain reference value for monitoring and service of large powder forming press and other manufacturing equipment.
【學(xué)位授予單位】：南京理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TF37;TP277

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