摘 要

變胞機(jī)構(gòu)是能夠根據(jù)環(huán)境和工況的變化，實(shí)現(xiàn)從一種結(jié)構(gòu)形式變換到另一種結(jié)構(gòu)形式的新型機(jī)構(gòu)，在結(jié)構(gòu)形式變換過(guò)程中，有效桿發(fā)生變化，或構(gòu)件間的連續(xù)關(guān)系發(fā)生變化，改變了其原型構(gòu)態(tài)，組成新機(jī)構(gòu)。變胞機(jī)構(gòu)又是一種可高度折疊、高度展開，在運(yùn)動(dòng)中能夠改變自由度，并且有構(gòu)態(tài)變化和自動(dòng)組合等特點(diǎn)的機(jī)構(gòu)，它的研究涉及了有關(guān)結(jié)構(gòu)學(xué)、運(yùn)動(dòng)學(xué)、動(dòng)力學(xué)等方面，運(yùn)用了圖論、李代數(shù)、螺旋理論等數(shù)學(xué)工具。隨著對(duì)變胞機(jī)構(gòu)研究的深入，使變胞機(jī)構(gòu)及其變胞原理在包裝機(jī)械、機(jī)械人、航天等領(lǐng)域中有廣泛的應(yīng)用。
本文的目的是對(duì)一類能實(shí)現(xiàn)帶停歇的往復(fù)運(yùn)動(dòng)平面變胞機(jī)構(gòu)進(jìn)行初步研究，開始先提出所要完成的執(zhí)行系統(tǒng)的功能要求然后通過(guò)對(duì)機(jī)構(gòu)的最初方案設(shè)計(jì)并進(jìn)行功能分析求解來(lái)得到較為合適的方案，再對(duì)所得到的方案進(jìn)行尺度、結(jié)構(gòu)設(shè)計(jì)，提出其特性，并且對(duì)其運(yùn)動(dòng)過(guò)程給出相關(guān)的分析研究，最后對(duì)該方案進(jìn)行運(yùn)動(dòng)、動(dòng)力仿真分析的工作，給出方案可行性的結(jié)論，（計(jì)算）仿真結(jié)果表明：設(shè)計(jì)結(jié)果基本符合要求。


關(guān)鍵詞：平面變胞機(jī)構(gòu)，停歇，往復(fù)運(yùn)動(dòng)















ABSTRACT

Metamorphic mechanism is a new one which can change from one structure form to another by the variety of basis environment and work condition .In the transformation process of the structure form the valid link occurrence variety, or the adjacent relations of links have changed so that the original configurations have changed to be new ones. Metamorphic mechanisms whose degree of freedom is variatinal in the course of motion can fold and spread highly and have the character of variational structure and automatic combination etc. The research of metamorphic mechanisms is a compositive field, which includes structurology, kinematics, dynamics and refer to graph theory, lie algebra, screw theory etc. The metamorphic mechanisms and the theory of metamorphic mechanisms can be widely applied in the field of packaging machinery , robot and spaceflight, by the research of thorough.
The purpose of this paper is the simple research of planar metamorphic mechanisms for reciprocating movements with dwells. At first the accomplished by the implementation of the functional requirements of the system will be proposed.Then it will give a possibility project of metamorphic mechanisms by project design and the characteristic of the project will be interviewed. Also its movement is related simulation will be done. The feasible conclusion of the project will be given.(calculation) Simulation results show that design results can fit the basic requirements. ande


Key words： Planar metamorphic mechanism, Dwell,Reciprocating movement









目 錄

摘 要 I
ABSTRACT II
1 引言 1
1.1 變胞機(jī)構(gòu)產(chǎn)生的背景 1
1.2 國(guó)內(nèi)外變胞機(jī)構(gòu)的研究現(xiàn)狀 1
1.3 變胞機(jī)構(gòu)的實(shí)際應(yīng)用 2
1.4 本文研究的主要內(nèi)容 2
2 能實(shí)現(xiàn)帶停歇的往復(fù)運(yùn)動(dòng)平面變胞機(jī)構(gòu)的方案設(shè)計(jì) 4
2.1 執(zhí)行系統(tǒng)設(shè)計(jì) 5
2.1.1 執(zhí)行系統(tǒng)的組成 5
2.1.2 執(zhí)行系統(tǒng)的功能 5
2.1.3 執(zhí)行系統(tǒng)運(yùn)動(dòng)方案設(shè)計(jì)的主要內(nèi)容和過(guò)程 5
2.1.4 功能分析與功能求解 6
2.2 沖壓機(jī)構(gòu)功能執(zhí)行設(shè)計(jì) 6
3 變胞沖壓成型機(jī)構(gòu)的結(jié)構(gòu)設(shè)計(jì)和主要零部件設(shè)計(jì) 9
3.1 變胞執(zhí)行機(jī)構(gòu)的特性 9
3.2變胞沖壓成型機(jī)構(gòu)的尺度綜合 9
3.2.1 變胞執(zhí)行機(jī)構(gòu)的尺度綜合 9
3.2.2 щ級(jí)組的尺度綜合 10
3.3 變胞執(zhí)行機(jī)構(gòu)的速度分析和力分析 11
3.4變胞沖壓成型機(jī)構(gòu)的動(dòng)態(tài)靜力分析 11
3.5 變胞沖壓成型機(jī)構(gòu)主要零部件設(shè)計(jì) 13
4 變胞沖壓成型機(jī)構(gòu)的運(yùn)動(dòng)、動(dòng)力仿真 18
4.1 仿真軟件ADAMS介紹[11] 18
4.2 進(jìn)行ADAMS的仿真過(guò)程 19
4.2.1 設(shè)置工作環(huán)境 19
4.2.2 創(chuàng)建物體 20
4.2.3 創(chuàng)建約束副 21
4.2.4 施加力 21
4.2.5 仿真和動(dòng)畫 22
4.2.6 輸出測(cè)量曲線AMS/Vi 22
5 總結(jié) 25
6 致謝 26
參考文獻(xiàn) 27