本文關(guān)鍵詞： 二自由度九桿機(jī)構(gòu) 伺服驅(qū)動(dòng) 運(yùn)動(dòng)特性 桿件尺寸 伺服壓力機(jī)　出處：《華中科技大學(xué)》2012年碩士論文　論文類型：學(xué)位論文

【摘要】：近年來(lái)，隨著伺服電機(jī)和伺服控制技術(shù)的發(fā)展，伺服壓力機(jī)也得到迅猛發(fā)展。其以傳統(tǒng)壓力機(jī)無(wú)法比擬的優(yōu)勢(shì)，即高精度、高柔性、高效率及低噪音、低能耗等特點(diǎn)，已經(jīng)被廣大的用戶所青睞，且各種商品化的伺服壓力機(jī)也相繼問(wèn)世。 然而，縱觀國(guó)內(nèi)外現(xiàn)有的伺服壓力機(jī)研發(fā)概況，大多集中在中低速伺服壓力機(jī)的研發(fā)階段，而高速伺服壓力機(jī)的研發(fā)目前還幾乎處于空白階段，特別是高速伺服壓力機(jī)傳動(dòng)機(jī)構(gòu)的研究目前還甚少。因此，本文提出一種可用于高速伺服壓力機(jī)的傳動(dòng)機(jī)構(gòu)，即伺服驅(qū)動(dòng)的二自由度九桿機(jī)構(gòu)，并對(duì)該機(jī)構(gòu)進(jìn)行系統(tǒng)研究，為今后開發(fā)高速伺服壓力機(jī)提供傳動(dòng)機(jī)構(gòu)選型和理論參考。具體研究?jī)?nèi)容如下： 首先，建立伺服驅(qū)動(dòng)的二自由度九桿機(jī)構(gòu)數(shù)學(xué)模型，并對(duì)該模型進(jìn)行運(yùn)動(dòng)學(xué)分析，即通過(guò)建立該機(jī)構(gòu)的三個(gè)閉合回路矢量方程，求解出各桿件的角度、角速度及角加速度方程，滑塊的位移、速度及加速度方程。進(jìn)一步研究該機(jī)構(gòu)的運(yùn)動(dòng)特性及桿件結(jié)構(gòu)尺寸對(duì)滑塊運(yùn)動(dòng)曲線的影響提供數(shù)學(xué)參考。 其次，系統(tǒng)的研究了該二自由度九桿機(jī)構(gòu)的運(yùn)動(dòng)特性。即研究了兩曲柄在同步驅(qū)動(dòng)條件下，曲柄1、2初始相位差對(duì)滑塊運(yùn)動(dòng)曲線的影響及兩曲柄在異步驅(qū)動(dòng)條件下，，曲柄2加載速度脈沖對(duì)滑塊運(yùn)動(dòng)曲線的影響。 緊接著，研究了各桿件結(jié)構(gòu)尺寸的變化對(duì)滑塊運(yùn)動(dòng)曲線的影響。即將二自由度九桿機(jī)構(gòu)分解成平面五桿機(jī)構(gòu)與三角肘桿機(jī)構(gòu)，分別研究了平面五桿機(jī)構(gòu)和三角肘桿機(jī)構(gòu)中，各桿件結(jié)構(gòu)尺寸的變化，對(duì)滑塊行程、速度及兩曲柄扭矩分布和載荷放大比的影響。為今后具體樣機(jī)機(jī)構(gòu)的開發(fā)提供理論依據(jù)和參考。 最后，總結(jié)全文，并對(duì)今后的進(jìn)一步深入研究提出展望。
[Abstract]:In recent years , with the development of servo motor and servo control technology , servo press has developed rapidly . It has the advantages of high precision , high flexibility , high efficiency , low noise , low energy consumption and so on . However , the research and development of the existing servo press at home and abroad is mostly focused on the development stage of medium and low speed servo press , and the research and development of high - speed servo press is still in the blank phase , especially the research of high - speed servo press transmission mechanism . Therefore , this paper proposes a kind of transmission mechanism which can be used in high - speed servo press , that is , servo - driven two - degree - of - freedom nine - bar mechanism , and carries out systematic research on the mechanism , so as to provide the selection and theory reference for transmission mechanism of high - speed servo press in the future . Firstly , the mathematical model of the two - degree - of - freedom nine - bar mechanism driven by servo is established , and the kinematics analysis of the model is carried out , that is , through the establishment of three closed loop vector equations of the mechanism , the angle , angular velocity and angular acceleration equation of each rod are solved , the displacement , velocity and acceleration equation of the slide block are solved . Secondly , the motion characteristics of the two - degree - of - freedom nine - bar mechanism are studied systematically . The influence of the initial phase difference of the crank 1 and 2 on the motion curve of the sliding block and the influence of the crank 2 loading speed pulse on the motion curve of the slider are studied under the condition of synchronous driving . In this paper , the influence of the change of the dimension of each rod structure on the moving curve of the sliding block is studied . The two - degree - of - freedom nine - bar mechanism is decomposed into five - bar mechanism and triangle - toggle lever mechanism , and the influence of the structure size of each rod in the five - bar mechanism and the triangle - toggle lever mechanism is studied , and the influence of the stroke , speed and the torque distribution and the load - amplification ratio of the two cranks are studied . Finally , the text is summarized and the prospect of further study in the future is put forward .

【學(xué)位授予單位】：華中科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2012
【分類號(hào)】：TH112

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 趙婷婷;賈明全;姜?jiǎng)t東;;新型開關(guān)磁阻伺服壓力機(jī)傳動(dòng)系統(tǒng)設(shè)計(jì)[J];鍛壓技術(shù);2008年01期

2 阮衛(wèi)平;胡建國(guó);孫友松;;伺服機(jī)械壓力機(jī)傳動(dòng)方案分析[J];鍛壓技術(shù);2010年04期

3 呂言;周建國(guó);阮澍;;最新伺服壓力機(jī)的開發(fā)以及今后的動(dòng)向[J];鍛壓裝備與制造技術(shù);2006年01期

4 莫健華;鄭加坤;古晳伸裕;呂言;;伺服壓力機(jī)的發(fā)展現(xiàn)狀及其應(yīng)用[J];鍛壓裝備與制造技術(shù);2007年05期

5 王蘇號(hào);賈方;王興松;;基于Optistruct的伺服壓力機(jī)機(jī)身拓?fù)鋬?yōu)化[J];鍛壓裝備與制造技術(shù);2007年06期

6 李振石;阮衛(wèi)平;李建平;;新型閉式雙點(diǎn)伺服壓力機(jī)的研發(fā)[J];鍛壓裝備與制造技術(shù);2008年02期

7 蘇敏;王隆太;;幾種伺服壓力機(jī)傳動(dòng)結(jié)構(gòu)方案的分析與比較[J];鍛壓裝備與制造技術(shù);2008年05期

8 錢功;;數(shù)控伺服開式壓力機(jī)的設(shè)計(jì)驗(yàn)證[J];鍛壓裝備與制造技術(shù);2008年06期

9 莫健華;張宜生;呂言;張李超;鄭加坤;段仁民;肖衛(wèi)東;吳理南;;大型機(jī)械多連桿式伺服壓力機(jī)的性能與生產(chǎn)應(yīng)用[J];鍛壓裝備與制造技術(shù);2009年05期

10 李輝,張策,宋軼民;混合驅(qū)動(dòng)精壓機(jī)的優(yōu)化設(shè)計(jì)和運(yùn)動(dòng)仿真[J];計(jì)算機(jī)輔助設(shè)計(jì)與圖形學(xué)學(xué)報(bào);2004年02期

相關(guān)碩士學(xué)位論文 前4條

1 袁金剛;伺服壓力機(jī)整機(jī)有限元分析與機(jī)身的結(jié)構(gòu)優(yōu)化[D];華中科技大學(xué);2009年

2 張正斌;2000KN熱成形伺服壓力機(jī)結(jié)構(gòu)設(shè)計(jì)[D];華中科技大學(xué);2011年

3 沈再揚(yáng);全電伺服肘桿式數(shù)控壓力機(jī)主傳動(dòng)系統(tǒng)的研究[D];揚(yáng)州大學(xué);2006年

4 蘇敏;數(shù)控伺服壓力機(jī)傳動(dòng)系統(tǒng)特性分析及其結(jié)構(gòu)實(shí)現(xiàn)研究[D];揚(yáng)州大學(xué);2009年

本文編號(hào)：1508714