本文關(guān)鍵詞：駕駛室用油缸缸筒擴(kuò)徑機(jī)的設(shè)計(jì)與研究　出處：《吉林大學(xué)》2016年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 舉升油缸 擴(kuò)徑機(jī) 有限元分析 PLC 實(shí)驗(yàn)分析

【摘要】：本課題主要研究內(nèi)容是駕駛室用油缸缸筒擴(kuò)徑機(jī)的設(shè)計(jì)與研究,解決目前半自動(dòng)化擴(kuò)徑過程中存在的成本高、效率低、加工質(zhì)量一致性差等問題。本文根據(jù)具體的技術(shù)要求,有針對性的解決上述問題,實(shí)現(xiàn)由人工到智能化的轉(zhuǎn)變,避免人為因素對加工質(zhì)量的影響,在保證質(zhì)量的同時(shí),提高生產(chǎn)效率。本文首先根據(jù)技術(shù)要求對設(shè)備整體進(jìn)行結(jié)構(gòu)功能劃分,將整臺(tái)設(shè)備分為四個(gè)部分:上料機(jī)構(gòu)、機(jī)械手、擴(kuò)徑機(jī)構(gòu)和卸料架。通過運(yùn)用機(jī)械學(xué)科理論知識(shí),對各個(gè)子系統(tǒng)的機(jī)械結(jié)構(gòu)進(jìn)行設(shè)計(jì),利用Solidworks軟件的三維建模功能對各個(gè)子系統(tǒng)的三維模型進(jìn)行構(gòu)建,并對各子系統(tǒng)的主要零部件進(jìn)行選型。應(yīng)用有限元分析軟件ANSYS WorkBench(AWB)對擴(kuò)徑機(jī)的整體機(jī)架以及主要受力部件擋塊及推桿進(jìn)行靜力學(xué)分析,并對擴(kuò)徑機(jī)的簡化模型進(jìn)行模態(tài)分析,確保設(shè)計(jì)的合理性。通過利用三維繪圖軟件和有限元分析軟件對擴(kuò)徑機(jī)機(jī)械結(jié)構(gòu)的設(shè)計(jì),大大縮短了產(chǎn)品設(shè)計(jì)周期,解決了人工設(shè)計(jì)效率低、設(shè)計(jì)時(shí)間長等問題。根據(jù)擴(kuò)徑機(jī)氣動(dòng)系統(tǒng)和液壓系統(tǒng)執(zhí)行元件的運(yùn)動(dòng)要求,設(shè)計(jì)出相應(yīng)的氣動(dòng)回路與液壓回路,并畫出氣動(dòng)原理圖和液壓原理圖。綜合設(shè)備的機(jī)械結(jié)構(gòu)特點(diǎn)和功能要求,設(shè)計(jì)出電控系統(tǒng)方案。本設(shè)備選用PLC作為核心邏輯控制器,通過控制軟件對擴(kuò)徑機(jī)的程序進(jìn)行編寫,實(shí)現(xiàn)擴(kuò)徑過程由人工操作到自動(dòng)化、智能化的轉(zhuǎn)變,解決了液壓缸生產(chǎn)企業(yè)生產(chǎn)效率低和加工精度差等問題。對擴(kuò)徑孔機(jī)進(jìn)行安裝調(diào)試與實(shí)驗(yàn)研究,主要確定三項(xiàng)需要驗(yàn)證的指標(biāo):1.擴(kuò)徑機(jī)的生產(chǎn)效率2.加工精度3.設(shè)備的過程性能指數(shù)。使用擴(kuò)徑機(jī)的手動(dòng)操作模式模擬人工操作與擴(kuò)徑機(jī)自動(dòng)模式進(jìn)行效率對比,通過實(shí)際測得的數(shù)據(jù)計(jì)算出設(shè)備的生產(chǎn)節(jié)拍并與技術(shù)要求進(jìn)行對比。采集一組擴(kuò)徑后缸筒的內(nèi)徑尺寸,驗(yàn)證其是否滿足加工精度的技術(shù)要求,并且通過對擴(kuò)徑機(jī)的過程性能指數(shù)Ppk的計(jì)算,證明擴(kuò)徑機(jī)加工過程的穩(wěn)定性及可靠性。
[Abstract]:The main research content of this topic is the design and research of the cylinder diameter expanding machine in the cab oil cylinder, which solves the problems of high cost and low efficiency in the process of semi-automatic diameter expansion at present. According to the specific technical requirements, this paper solves the above problems, realizes the transformation from artificial to intelligent, and avoids the influence of human factors on the processing quality. In order to ensure the quality, improve the production efficiency. Firstly, according to the technical requirements, the whole equipment is divided into four parts: feeding mechanism, manipulator. The mechanical structure of each subsystem is designed by using the theoretical knowledge of mechanical discipline. The 3D model of each subsystem is constructed by using the 3D modeling function of Solidworks software. The main parts of each subsystem are selected and the finite element analysis software ANSYS WorkBench AWB is used. The statics analysis of the integral frame of the expanding machine, the main force components, the block and the push rod is carried out. The simplified model of the expanding machine is analyzed by modal analysis to ensure the rationality of the design. Through the use of three-dimensional drawing software and finite element analysis software to design the mechanical structure of the expanding machine, the product design cycle is greatly shortened. The problems of low efficiency and long design time are solved. According to the movement requirements of pneumatic system and hydraulic system of diameter expander, the corresponding pneumatic and hydraulic circuits are designed. And draw the pneumatic principle diagram and hydraulic principle diagram. The mechanical structure characteristics and functional requirements of the integrated equipment design of the electronic control system. This equipment selected PLC as the core logic controller. The program of the expanding machine is written by the control software, and the process of expanding the diameter is changed from manual operation to automation and intelligence. The problems of low production efficiency and poor machining precision in hydraulic cylinder production enterprises were solved. The installation, debugging and experimental study of the diameter expanding machine were carried out. Three main indicators to be validated were identified:. 1. The production efficiency of the expanding machine 2. Machining accuracy 3. The process performance index of the equipment. The manual operation mode of the expanding machine is used to simulate the manual operation and the automatic mode of the expanding machine is compared with the efficiency of the automatic mode of the expanding machine. Through the actual measured data calculated the production beat of the equipment and compared with the technical requirements. Collect a group of diameter after the cylinder diameter dimensions to verify whether it meets the technical requirements of processing accuracy. By calculating the process performance index (Ppk) of the expanding machine, the stability and reliability of the process are proved.
【學(xué)位授予單位】：吉林大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號(hào)】：U463.81

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