心臟線軌跡直擺組合凸輪機構(gòu)設(shè)計

包括論文，整套cad圖紙，答辯ppt，任務(wù)書，proe圖

目  錄

1 緒論 1
1.1直、擺組合凸輪機構(gòu)的研究意義 1
1.2凸輪機構(gòu)以及組合機構(gòu)的研究和發(fā)展?fàn)顩r 2
1.3直、擺組合凸輪機構(gòu)的研究方法 2
1.3.1直、擺組合凸輪機構(gòu)的設(shè)計 2
1.3.2本課題的主要研究方法 2
2 直動從動機凸輪和擺動從動件凸輪的設(shè)計 4
2.1 直、擺組合凸輪機構(gòu)設(shè)計基本思想 4
2.2直、擺組合凸輪機構(gòu)設(shè)計步驟 5
2.2.1求取坐標(biāo)點 5
2.2.2確定機構(gòu)初始位置參數(shù) 6
2.2.3 確定頂桿位移與擺桿轉(zhuǎn)角的變化規(guī)律 7
2.2.4 凸輪廓形設(shè)計 7
2.2.5直動從動件凸輪的頂桿長度及安裝滯后角 11
2.3直動凸輪和擺動凸輪的實體設(shè)計 12
3 機構(gòu)的實體設(shè)計 14
3.1 機構(gòu)的實體結(jié)構(gòu) 14
3.2 支架的設(shè)計 15
3.3 直動導(dǎo)軌的設(shè)計 16
3.4直動桿的設(shè)計 16
3.5擺動桿的設(shè)計 17
3.6軸系零部件的設(shè)計 17
3.6.1 擬定軸上零件的裝配方案 18
3.6.2 確定軸的各段直徑和長度 18
3.6.3軸上零件的周向定位 18
4 機構(gòu)的運動仿真 20
參考文獻 21
致謝 22

摘 要

本課題研究一直擺凸輪組合機構(gòu)，該機構(gòu)通過直動從動件凸輪機構(gòu)與擺動從動件凸輪機構(gòu)組成聯(lián)動凸輪機構(gòu)，能夠?qū)⒅鲃蛹霓D(zhuǎn)動轉(zhuǎn)化為從動件上某點沿預(yù)期的曲線軌跡并以預(yù)期的運動規(guī)律運動。該機構(gòu)所能實現(xiàn)的軌跡多種多樣，如正弦波曲線、內(nèi)擺線、帶停點曲線、人頭像及金魚圖像等等。本課題所研究的直擺凸輪組合機構(gòu)要實現(xiàn)的是一心臟線軌跡。
    本課題首先通過理論分析，建立出了直、擺組合凸輪機構(gòu)的設(shè)計公式，得出該機構(gòu)各構(gòu)件位置、大小及形狀尺寸、凸輪實際廓線、理論廓線等。然后在此基礎(chǔ)上對該機構(gòu)的每一構(gòu)件進行了實體設(shè)計，比如軸，導(dǎo)軌，支架等等的設(shè)計，并且對所設(shè)計的構(gòu)件實體進行了裝配組合。最后，為了驗證設(shè)計的正確性，本課題還在Proe下對實體進行了運動仿真。

關(guān)鍵詞：凸輪設(shè)計      組合機構(gòu)      心臟線軌跡         

THE DESIGN OF Z.B COMBINATORY CAM
MECHANISM TO GAIN ELIIPSE LOCUS

Abstract：The research portfolio has been put cam body parts through the straight moving follower cam cam with oscillating follower cam linkage institutions, able to take the initiative of the rotating pieces into a point on the follower along the expected curve trajectory and the expected movement of movements. The agency can track the realization of a wide range, such as the sine curve, with the cycloid, with stopping points, curves, images of goldfish heads and so on. Studied the subject before the straight cam combination mechanism is to achieve a heart-line trajectory.
First of all, this issue through theoretical analysis, a straight, before the design of cam combination formula, the components come to the location, size and shape of the size of the actual cam profile and theoretical profile and so on. And then on the basis of each component of the institution to carry out the physical design, such as shafts, rails, frame design, etc., and components designed for the assembly combination of entities. Finally, in order to verify the correctness of the design, the issue is still under Proe motion simulation entities.

Key words: Cam Design     Combination Mechanism      Heart-line trajectory