插床機構(gòu)說明書

機械原理課程設計插床機構(gòu)說明書負責人：廖昭洋學院：機電工程學院班級：機械1102班學號：05日期：2013年7月11日2設計任務及原始參數(shù)...........................................................................................2插床簡介...................................................................................................................................2設計任務...................................................................................................................................2原始參數(shù)..................................................................................................................................3運動方案設計..........................................................................................................................4主機構(gòu)方案...............................................................................................................................4齒輪傳動機構(gòu)方案...................................................................................................................5電動機的選擇........................................................................................................6電動機的型號...........................................................................................................................6電動機的功率...........................................................................................................................6傳動比分配...........................................................................................................8.........................................................................................................................8主機構(gòu)設計..........................................................................................................10主機構(gòu)的運動分析..............................................................................................13插床基本參數(shù)..........................................................................................................................13運動分析......................................................................................................................14主機構(gòu)的受力分析...............................................................................................21主機構(gòu)的速度波動調(diào)節(jié).......................................................................................3010.小結(jié).....................................................................................................................33參考文獻01.設計任務及原始參數(shù)特點16515050200運動方案設計主機構(gòu)方案2根據(jù)本設計傳動特點，本設計采用皮帶輪，齒輪兩級傳動33電動機的選擇電動機的型號根據(jù)本機構(gòu)設計的特點，參考機構(gòu)運動簡圖以及傳動特征，參照原動機選擇的要求，根據(jù)題目所給插床的數(shù)據(jù)分析，驅(qū)動電動機暫時采用：4Y系列三相異步電動機型號規(guī)格TTn曲柄W501.375Jrf（3—2）WPPT（4）計算傳動效率51212423=η·η·η·η（3—4）24123442，聯(lián)軸器的傳動效率為η=13n=PPn?計算929.0WPPPPP傳動比分配4－63－52－310－402－4V帶傳動6n21.6iiiii本設計采用標準直齒輪傳動，分度圓上壓力角取標準值20Zasinmin2121.0齒頂高系數(shù)：齒根高系數(shù)：c0.257dmzd11d2275.2111b222a1a4hmha2af1af1f2add2h2df1111dd2ha22a270f11f1f1df22f2pcospb主機構(gòu)設計根據(jù)草圖確定各構(gòu)件的運動該尺寸，繪制機構(gòu)簡圖O3BBC020322OA65.1mm22328與BC長度(2)確定39（6—2）332為保證最大壓力角最小，經(jīng)檢驗，Y軸設置在B點最遠與最近點的中點為最佳10L164.3mm如圖，222333H=150mm，L=150mm0203OA65.1mm172.8523yo33o2o323簡圖繪制117.主機構(gòu)的運動分析(mm)23導路距離L3曲柄角速度ω(rad/s)?運動分析假設曲柄1等速轉(zhuǎn)動，畫出滑塊C的位移和速度的變化規(guī)律曲線；計算圖如下：12由矢量閉合得出如下方程：OOOB35分別投影得出如下方程：向x軸投影)向軸投影)336113311lcoslcosx向x軸投影)3344lsinlsins(y向軸投影)33445矩陣的方式表示：速度矩陣13s0033331s033331013340ll1v033445s..s33l333130l03340ll10334450s33333ss3333333300ll344440l1v3334445根據(jù)矩陣，編寫matlab程序如下：clearall;clc;w1=;l1=;l3=;l6=;l61=;l4=;form=1:3601o1(m)=pi*(m-1)/1800;o3(m)=atan((l1*sin(o1(m)))/(l6+l1*cos(o1(m))));s3(m)=(l1*cos(o1(m))+l6)/cos(o3(m));o4(m)=acos((-l61+l3*cos(o3(m)))/l4);se(m)=-l3*sin(o3(m))+l4*sin(o4(m));ifo1(m)==0endl1*sin(o1(m));l1*cos(o1(m));0;0];D1=A1\B1;E1(:,m)=D1;ds(m)=D1(114藍線（最下）表示3桿BO運動315得出數(shù)據(jù)如下16s134E34E/m（續(xù)上表）34E/(rad/s)2178.主機構(gòu)的受力分析1(mm)2233(mm)導路距離L4353取滑塊5與插刀受力點距離為40mm，1813434E/(rad/s2)081191kgmJ2344Mr5lsin(90cos(90)42446444Nr5544RRX34167.23N2702.95N64XRFmGG55(8-5)34Yr54Y208-3圖，對O點取矩3d=1Jmlmdkgm22J2333R(LO)RGdJR1838.6N23oo23433Y848-4圖，對O取矩2211Nm156.54Ted32212ed4E/(rad/s2)8585221kgmJ2344M0.04F0.02(Gm)127.93NM(8-10)r5)sin(90)JFmGlr544lsin(N104.65N104.65N44244RNR3464XXR2619.58N(8-13)34r5554YY23122Jkgm23233RRRN33Y233J333333X8-8圖，對O取矩224TRsinOAT680.13Nmeded3213434E)/(rad/s2)251Jkg2344M0.04F0.02(Gm)r5M130.8N()sin(90)44r55544lsin(90N23.97N44246444RN3464XR23.97N34r5434YXR561.77N34Y263d=12233LOAcos60OAoo232333ROARcos(333YRsin()GdJcos33333X82222O)OAO)0.732323(8-25)OAOA23232327TROAO)OATNmed322321ed(8-26)2122rr5阻r1r(250)阻M(5r1020304050607080901001101201301401501601701801902002102202302402502602702829rdW，W=，W=M(dW))Wrrr01M87.50NmM)dddr0maxFE=E=E=1W322.04JmaxFJmaxnFJkgm2F3010.小結(jié)機械設計是機電類專業(yè)的