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本帖最后由 衮雪76 于 2015-6-18 22:22 编辑 0 ?/ J( }# i8 B& D" p* s e
% Z% L! L/ w# p! B需要做机械的出屑的机构，选择了齿轮连杆滑槽结构，
2 m3 K. ~# Q# U* q$ y7 X因此用Execl做了公式，将连杆的中心等初步定下来，然后再 计算扒子的端点轨迹。 下面的数据可以反拷贝到EXcel中得出坐标。
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! ?4 Y% c1 }7 |# t+ h% p然后用CAD将轨迹画出来，再选择最好的结构。$ ]% {( H, c2 m; p$ e
下面是Excel的数据，可惜不可以用附件，否则，我直接将源文件附上。
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变量 角度 A1 0 15 30 45 60 75 90 105 120 135 150 165 180' Z# `( R; \8 H% J' Q( l
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齿轮节圆直径 D 150 150 150 150 150 150 150 150 150 150 150 150 1508 Q+ a* ^+ G6 g9 E S8 N, ~
销位置 R 60 60 60 60 60 60 60 60 60 60 60 60 60- R* W# H3 a& d! m% m
相角差 A0 181 181 181 181 181 181 181 181 181 181 181 181 1815 ]9 Z9 H, T% m+ X( \; ~
>0为在两点之间 杆端点距齿轮2销孔距离 R0 190 190 190 190 190 190 190 190 190 190 190 190 190
0 E' j! H/ }! o# c# ]/ k 181.001,190.001 4 `! _8 F( I1 P3 H; F1 N4 a
齿轮1中心 点1X x1 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100 -100- V ^$ ?6 `6 ^- @( h% O3 L
点1Y y1 380 380 380 380 380 380 380 380 380 380 380 380 380
* l2 N; t: @) z- o3 c; Z6 X' c, G -100.001,380.001
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" j# H2 M* M. l7 f* x0 H- l0 k 齿轮2中心所在象限 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 k+ W2 z. X5 k: @1 I
齿轮2中心 点2X X2 -160 -160 -160 -160 -160 -160 -160 -160 -160 -160 -160 -160 -160
+ z* Z/ }7 e$ `+ S 点2Y Y2 242.5227292 242.5227292 242.5227292 242.5227292 242.5227292 242.5227292 242.5227292 242.5227292 242.5227292 242.5227292 242.5227292 242.5227292 242.5227292
) v9 G) p* |0 }+ K2 n9 N -160.001,242.521 -160.001,242.521 -160.001,242.521 -160.001,242.521 -160.001,242.521 -160.001,242.521 -160.001,242.521 -160.001,242.521 -160.001,242.521 -160.001,242.521 -160.001,242.521 -160.001,242.521 -160.001,242.521" f' L0 W# ?' t* A$ u" V$ j
角度 A2 181 166 151 136 121 106 91 76 61 46 31 16 1
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齿轮1上的销点位 X10 -40 -42.04445042 -48.03847577 -57.57359313 -70 -84.47085729 -100 -115.5291427 -130 -142.4264069 -151.9615242 -157.9555496 -160
: i# j D: y9 O* I Y10 380 395.5291427 410 422.4264069 431.9615242 437.9555496 440 437.9555496 431.9615242 422.4264069 410 395.5291427 380
7 r8 k) h2 m$ ]1 ^9 x2 w$ h6 m -40.001,380.001 -42.041,395.531 -48.041,410.001 -57.571,422.431 -70.001,431.961 -84.471,437.961 -100.001,440.001 -115.531,437.961 -130.001,431.961 -142.431,422.431 -151.961,410.001 -157.961,395.531 -160.001,380.0016 c7 ]' y( w0 l5 u |
齿轮2上的销点位 X20 -219.9908617 -218.2177436 -212.4771824 -203.160388 -190.9022845 -176.5382413 -161.0471444 -145.4846863 -130.9114228 -118.3204978 -108.569962 -102.3242982 -100.0091383
) q' C' M# U+ } Y20 241.4755848 257.0380429 271.6113064 284.2022314 293.9527672 300.1984309 302.5135909 300.7404727 294.9999116 285.6831172 273.4250136 259.0609705 243.56987355 f; N9 V$ P8 }& n5 q( B
-219.991,241.481 -218.221,257.041 -212.481,271.611 -203.161,284.201 -190.901,293.951 -176.541,300.201 -161.051,302.511 -145.481,300.741 -130.911,295.001 -118.321,285.681 -108.571,273.431 -102.321,259.061 -100.011,243.571
g. ]+ y8 v' n% B3 a+ t7 I) a2 |# | X位置差 -179.9908617 -176.1732932 -164.4387067 -145.5867949 -120.9022845 -92.06738406 -61.04714439 -29.95554356 -0.911422785 24.1059091 43.39156227 55.63125133 59.99086171
' c" y; Y' I6 p Y位置差 -138.5244152 -138.4910998 -138.3886936 -138.2241755 -138.008757 -137.7571187 -137.4864091 -137.2150768 -136.9616126 -136.7432897 -136.5749864 -136.4681722 -136.4301265
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点的斜率 K 0.769619157 0.786107232 0.841582231 0.949427972 1.141490069 1.496264069 2.252134977 4.580623836 150.2723158 -5.672604553 -3.147501017 -2.453084713 -2.27418181; W% H' }5 X/ Z8 @
角度 37.5825699 38.17114436 40.08336935 43.51396716 48.78008676 56.24395625 66.0576724 77.68492594 89.61872595 80.00228474 72.37430387 67.82173396 66.26401569
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+ F+ @: c# Q+ u$ K' C X象限判断 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
, ^% s6 s+ Z" l( _3 G' w( N* m Y象限判断 -1 -1 -1 -1 -1 -1 -1 -1 -1 1 1 1 1
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相对销2的位置 X方向 -150.5702919 -149.3719656 -145.370583 -137.789244 -125.2006754 -105.5750079 -77.10520848 -40.52461204 -1.264343283 32.98569234 57.53149635 71.72301449 76.479327137 c" |9 A8 q( N, x$ m2 a- N
Y方向 -115.8817811 -117.4223824 -122.3412996 -130.8209625 -142.9153276 -157.9680908 -173.651337 -185.6280039 -189.9957932 -187.1147886 -181.0804433 -175.9426304 -173.9278946
9 h; C5 G; v7 e" m$ k 190 190 190 190 190 190 190 190 190 190 190 190 190
" L0 m! i' \/ ~- a 端点X坐标 -370.5611536 -367.5897092 -357.8477655 -340.949632 -316.1029599 -282.1132492 -238.1523529 -186.0092983 -132.1757661 -85.33480543 -51.03846561 -30.60128376 -23.52981116
, w3 y6 b* V/ }! S# W$ p 端点Y坐标 125.5938037 139.6156605 149.2700068 153.3812688 151.0374396 142.2303401 128.8622539 115.1124689 105.0041184 98.5683286 92.3445704 83.1183401 69.64197893
, n1 A# U. R6 l/ e1 H; g8 S% E -370.561,125.591 -367.591,139.621 -357.851,149.271 -340.951,153.381 -316.101,151.041 -282.111,142.231 -238.151,128.861 -186.011,115.111 -132.181,105.001 -85.331,98.571 -51.041,92.341 -30.601,83.121 -23.531,69.641' L6 `; X6 m+ X- C! t9 J
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190 190 190 190 190 190 190 190 190 190 190 190 190 i! R, H+ H1 h/ r) \
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-40.001,380.001 -42.041,395.531 -48.041,410.001 -57.571,422.431 -70.001,431.961 -84.471,437.961 -100.001,440.001 -115.531,437.961 -130.001,431.961 -142.431,422.431 -151.961,410.001 -157.961,395.531 -160.001,380.001
4 |- S9 m" C. Y9 u* w3 c! s$ ] -219.991,241.481 -218.221,257.041 -212.481,271.611 -203.161,284.201 -190.901,293.951 -176.541,300.201 -161.051,302.511 -145.481,300.741 -130.911,295.001 -118.321,285.681 -108.571,273.431 -102.321,259.061 -100.011,243.571
* ]. Q- |: X0 L0 v7 ? -370.561,125.591 -367.591,139.621 -357.851,149.271 -340.951,153.381 -316.101,151.041 -282.111,142.231 -238.151,128.861 -186.011,115.111 -132.181,105.001 -85.331,98.571 -51.041,92.341 -30.601,83.121 -23.531,69.6418 G9 J+ \, D4 m% \, w
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发表于 2015-6-18 22:13:21
