机械原理课程设计-缝纫机导针及紧线机构设计及其运动分析

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1、武汉工程大学机械原理课程设计说明书课题名称：缝纫机导针及紧线机构设计及其运动分析专业班级：2012级过控03班小组成员：指导教师：__课题工作时间：2014.6.16至2014.6.2931目录摘要·························································3前言··························································5第一章综述···············································

2、········61.1设计题目及目的·············································61.2设计内容介绍·············································61.3设计机构···················································6第二章机械结构及运动································82.1机械系统方案的分析，比较与拟定·························82.1.

3、1方案一31············································82.2所选方案的实际应用·····································9第三章运动分析················································113.1原动件速度的分析·······································113.2轮子轴心位置速度的分析·································133.3轮子轴心位置加速

4、度的分析·······························14第四章各连杆示意图···········································15第五章仿真动画的制作··········································185.1动画制作···············································18第六章体会小结················································2031参考文献······

5、·················································21摘要：我们这次设计运用解析法建立了所设计的五杆机构的运动特效数学模型，利用Matlab运动仿真求出各铰接点和杆件的运动变化情况。然后基于VisualBasic程序设计运动仿真，绘出相应铰接点运动特性曲线，并将用解析法基于Matlab环境下运行的结果与VisualBasic程序设计仿真运动值进行比较。进而对此次设计的可行性进行了验证。另外，基于VisualBasic在进行三维实体模型设计的局限性，我们还运用Solidworks对机构进行

6、了三维实体模型设计，并进行了仿真运动。由于时间有限，设计中仅运用onCosmosmoti对机构进行了仿真运动及动画制作，而为对机构中各零件进行轨迹跟踪，以及对零件的速度、加速度进行分析。关键字：齿轮连杆机构、解析算法、VisualBasicAbstract：hingepointmotioncurve,andtheanalyticmethodisbasedontheresultsofrunningunderMatlabenvironmentwiththeVisualBasicprogrammingsimulationexerciseva

7、lues.Andthusthefeasibilityofthedesignwereverified.Inaddition,theVisualBasic-basedthree-dimensionalsolidmodelduringthedesignlimitations,weuseSolidworksfortheinstitutionsofthethree-dimensionalsolidmodeldesignandsimulationexercise.Duetotimeconstraints,weonlyuseCosmosmotion

8、simulationexerciseforinstitutionsandanimation,butnotinall31partsofthebodytrajectorytracking,aswellaspartsofthe