Download - TK TDH Nhom9 Bao Cao
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TRNG I HC BCH KHOA H NI
VIN IN B MN T NG HO XNCN
====o0o====
BI TP LN THIT K T NG HA
TI:
THIT K H THNG IU KHIN CNG NGH PHN LOI SN PHM
Nhm thc hin : Nhm 9 Gio vin hng dn : ThS. o Qu Thnh Sinh vin thc hin : Tng Vn Lut : 20101836 - K&TH 4 Nguyn Trung c : 20101415 - K&TH 4 Nguyn Ph Cng : 20101184 - K&TH 4 Cao Trng Dng : 20101285 - K&TH 4 L Xun Ging : 20101445 - K&TH 4
H Ni, 8 2014
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THIT K T NG HA
NHM 9 Page 2
Nhm sinh vin thc hin : Nhm 9
Gm :
Tng Vn Lut : 20101836 - K&TH 4
Nguyn Trung c : 20101415 - K&TH 4
Nguyn Ph Cng : 20101184 - K&TH 4
Cao Trng Dng : 20101285 - K&TH 4
L Xun Ging : 20101445 - K&TH 4
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THIT K T NG HA
NHM 9 Page 3
MC LC
bi ................................................................................................................................... 4
Yu cu cng ngh .............................................................................................................. 5
Lu chng trnh ............................................................................................................ 6
Phn cng vo ra .................................................................................................................. 7
Lp Graph chuyn trng thi ............................................................................................... 7
Lp Grafcet cho chu trnh cng ngh: ................................................................................. 9
Tnh ton xilanh tc ng 2 chiu v ngun kh nn ......................................................... 10
Bo m an ton cho ngi vn hnh v thit b : ............................................................ 10
M t hot ng ca h thng trn phn mm automation studio : .................................. 11
Thit b thc t ................................................................................................................... 12
1.Cm bin v tr xi lanh ................................................................................................ 12
2.Xi lanh ........................................................................................................................ 13
3.Bm kh nn ............................................................................................................... 13
4.B lc: van lc+van iu chnh p sut+van tra du .................................................. 14
5.Van iu chnh xi lanh ............................................................................................... 15
6.Van tit lu ................................................................................................................. 16
7.Lc kh ........................................................................................................................ 16
Gi lp chng trnh .......................................................................................................... 17
S u dy: ................................................................................................................... 19
S mch gim st h thng ........................................................................................... 19
S mch iu khin ...................................................................................................... 20
Gi lp hot ng ca h thng ......................................................................................... 20
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THIT K T NG HA
NHM 9 Page 4
bi
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THIT K T NG HA
NHM 9 Page 5
Yu cu cng ngh Khi c sn phm trt xung, cm bin p xc nh c sn phm th xilanh A
y sang phi sau rt v. Sn phm trt sang phi, cm bin 1a xc nh c sn
phm, nu sn phm cao xilanh B y, sn phm thp xilanh C y, sau khi y xong xilanh B v C rt v.
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THIT K T NG HA
NHM 9 Page 6
Lu chng trnh
BT U
Cc iu kin
ban u ng, START n, p=1
Start
Xi lanh A chy sang phi
ng
Sai
Chm cng tc hnh trnh cui xilanh A
Xi lanh A chy sang tri
Sn phm thp
Xi lanh C chy sang
phi
Chm cng tc hnh
trnh cui xilanh C
Xi lanh C sang
tri
Xi lanh B chy sang
phi
Chm cng tc hnh
trinh cui xi lanh B
Xi lanh B sang tri
Sai
Sai
Sai Sai
ng
ng
ng ng
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THIT K T NG HA
NHM 9 Page 7
Phn cng vo ra STT Tn tn hiu K
hiu vo ra
1 Nt khi ng start 1
2 Cng tc hnh trnh u A ad 1
3 Cng tc hnh trnh cui A ac 1
4 Cng tc hnh trnh u B bd 1
5 Cng tc hnh trnh cui B bc 1
6 Cng tc hnh trnh u C cd 1
7 Cng tc hnh trnh cui C cc 1
8 Cm bin c vt trt xung p 1
9 Cm bin c vt phn loi 1a 1
10 Nt reset reset 1
11 Cm bin xc nh vt chiu cao
m 1
12 Xi lanh A chy sang phi A+ A+ 1
13 Xi lanh A chy sang tri A- A- 1
14 Xi lanh B chy sang phi B+ B+ 1
15 Xi lanh B chy sang tri B- B- 1
16 Xi lanh C chy sang phi C+ C+ 1
17 Xi lanh C chy sang tri C- C- 1
Bng 1.1 Lit k u vo ra
Lp Graph chuyn trng thi Theo yu cu cng ngh: khi c sn phm trt xung chm cm bin p th
xilanh A y, sn phm cao th xilanh B y, sn phm thp th xilanh C y. Do n gin trong thit k m vn p ng c yu cu ta c th tch 3
xilanh hot ng c lp. u vo: P cm bin xc nh c vt trt xung trc xilanh A
1a cm bin xc nh c vt trc xilanh B v C
, ,a b cc c c cng tc hnh trnh cui xilanh A, B, C
M cm bin xc nh vt c chiu cao
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THIT K T NG HA
NHM 9 Page 8
Ma trn trng thi:
Xilanh A: apc
A A
Graph chuyn trng thi :
Chn bin a thay cho p v ac sao cho khi : p tc
ng lm cho bin a c thit lp v duy tr gi tr 0 cho n khi p ngng tc ng.
V bin a ch c thit lp gi tr 1 khi ac tc ng v duy tr gi tr 1 khi ac ngng
tc ng. Do ta c mi quan h sau:
( )aa c a p
Khi bi ton n gin vi 1 u vo 2 u ra, nh sau: a
A A
Xilanh B:
o bb c
B B Graph chuyn trng thi :
00 10 00 10 00
00 01 01 10 00
Tng t ta cng c
0( )bb c b b
Trong 0 1b a m
Xilanh C:
0 cb c
C C Graph chuyn trng thi :
00 10 00 10 00
00 01 01 10 00
Tng t ta cng c
( ).cc c c c
Trong : 0 1c a m
00 10 00 10 00
00 01 01 10 00
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THIT K T NG HA
NHM 9 Page 9
Lp Grafcet cho chu trnh cng ngh:
0
1
2
3 5
4 6
A-
A+
B+
B-
p.START
1.a m 1.a m
ac
bc cc
cdbd
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THIT K T NG HA
NHM 9 Page 10
Tnh ton xilanh tc ng 2 chiu v ngun kh nn Lc tc ng khi cn pittong i ra: 1. .AF A p (1.1)
Trong
AF [daN] lc tc ng khi cn pitton i ra
1A [2cm ] din tch mt y pittong, 21 . / 4A D
D [cm] ng knh mt y pittong
P [bar] p sut kh nn trong xilanh
hiu sut xilanh, ly 0.8
Lc tc ng khi cn pittong i vo: 2. .EF A p
Trong
EF [daN] lc tc ng khi cn pitton i vo
2A din tch vng gng pittong, 2 2
2 .( ) / 4A D d
d ng knh cn pittong
y do khi i ra th xilanh mi y vt nn ta ch tnh ton chn xilanh khi pittong i ra:
Kch thc v khi lng vt cn y:
1,4kg
3 chiu 190*190*90 [mm]
Chn h s ma st l 0.5 ta c lc ti thiu thng ma st l F=1.4*9.8*0.5=6.86[N]=0.686[daN]
Chn xilanh c D=5cm, d=1cm T cng thc 1.1 ta tnh c p=0.15bar. Do trong 1 thi im c th c 2 xilanh hot ng nn ta chn ngun kh nn l: 6bar
Bo m an ton cho ngi vn hnh v thit b : Khi c s c xy ra nh mt in, cc cm bin v cng tc hnh trnh s mt
tc dng, khi cc xilanh s phi t ng ko v v tr ban u. do ta s s dng van o chiu 4-2 c v tr khng l loi van c tc ng bng c-l xo.
i vi cc thit b, ta s dng van an ton, khi p sut ln hn p sut cho php ca h thng th dng p sut s thng lc l xo v nh vy dng kh nn s tro ra mi trng.
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THIT K T NG HA
NHM 9 Page 11
M t hot ng ca h thng trn phn mm automation studio : Do trong phn mm khng m t c chuyn ng ca vt tc ng vo cm
bin nn khi m phng khi cm bin c tc ng ta s dng cng tc thng m, c th nh sau:
Cm bin p: khi cm bin xc nh c vt th ta dng tay gt cng tc p.
Cm bin a1: khi cm bin xc nh c vt th ta dng tay gt cng tc a1
Cm bin m: khi cm bin b tc ng tc l vt i n chiu cao th ta dng
tay gt cng tc m.
Nt n Start: cho php h thng hot ng.
Nt n Stop: Dng h thng.
Nh vy chu trnh trong thc t ta m phng nh sau:
h thng hot ng ta gt cc cng tc , ,a b cd d d (tng ng vi cng tc hnh
trnh u xi lanh A, B,C y chnh l 1 trong nhng iu kin an ton ban u).
Sau nhn cng tc start, p.
Khi xi lanh A s chy sang phi, chm cng tc hnh trnh cui xilanh A ac ,
xilanh A s t ng chy v.
Khi sn phm chy sang bn phn phn loi:
Nu l sn phm chiu cao, ta nhn cng tc m trc sau nhn cng tc 1a ,
khi 0b c in.
Khi xia lanh B s chy sang phi, chm cng tc hnh trnh cui xilanh B bc
Xilanh B s t ng chy v.
Nu l sn phm thp, ta nhn cng tc 1a (khng nhn m, m=0)
Khi xilanh C s chy sang phi, chm cng tc hnh trnh cui xilanh C cc ,
Xilanh C s t ng chy v. h thng dng li quay tr v ban u ta nhn reset, tt c cc cm bin v
cng tc hnh trnh mt in cc xilanh u c ko v v tr ban u (do van o chiu l loi c-l xo)
Chy xong bt u 1 chu trnh mi.
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THIT K T NG HA
NHM 9 Page 12
Thit b thc t
1.Cm bin v tr xi lanh
T trng chng 2 mn hnh mu rn Auto - kh nn SMC
Series / CAD Mc in Loi M t
D-P3DWSC E Trc c dy
ni Trng thi
rn
chuyn i
t ng
T trng chng
hin th 2 mu D-P3DW L Z Grommet
Cc tnh nng
C th s dng trong mt mi trng m to ra mt s xo trn t trng (t trng AC).
s dng vi AC th hn ti ch, m to ra t trng mnh.
Khong cch hot ng gia cc dy dn hn v xi lanh / thit b truyn ng hoc chuyn i t ng c th l 0 mm. Khi lng c gim 70% (so vi thit b chuyn mch hin c) C th c gn vo kch thc l 25 32 hoc xi lanh / thit b truyn ng. Tun theo chun RoHS
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THIT K T NG HA
NHM 9 Page 13
2.Xi lanh
Loi Series / CAD Hnh ng Kch thc ng
knh (mm)
Tiu chun
CJ2
i din xut
que
6, 10, 16 Tc ng n
(ma xun tr li / m
rng)
CJ2W i din xut
thanh i
Cc tnh
nng
Xi lanh vi mt m khng kh c th hot ng tc cao
(1000 mm / s).
3.Bm kh nn
Xylanh kh - Kh nn SMC
10.00 cm
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THIT K T NG HA
NHM 9 Page 14
M t M hnh / CAD Chc nng
Van iu
chnh VEX1
+ iu chnh
nh hng kim sot van
Van v tr 3 VEX3 Van iu khin hng
Van nn kinh
t VEX5
Cung cp p lc gim +
ON / OFF x +
Kim sot tc
Cc tnh nng
Thay i kch thc rng ln, cng kch thc 1/8 n 2.
VEX1: iu tit kh thi cng sut ln
VEX3: 3 cng, van v tr 3
VEX5: Ba chc nng (iu chnh p sut, van iu khin hng
v iu khin tc ) c cung cp bi mt van duy nht.
M t M hnh / CAD Chc nng
My nn
kh Ergen VEX1
Cung cp kh nn cho hot ng xi lanh.
Cc tnh
nng
My nn kh Ergen 1006 Cng sut: 1HP Ngun in: 220V/50Hz Lu lng kh: 0.08 (m3/pht) Ch s nn: 0.8Mpa Dung tch bnh nn: 6l Trng lng: 16kg
4.B lc: van lc+van iu chnh p sut+van tra du
Loi Modular FRL n v - kh nn SMC
Cm F.R.L - Kh nn SMC
Thit b kt hp Series / CAD Kch
thc
cng
t p lc
(MPa)
B lc khng kh AF, iu
chnh vi my o p sut
khng th tch ri,
bi trn
AF + ARG + AL 1 / 8,1 /
4,
3 / 8,1 / 2 0,05-0,85
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THIT K T NG HA
NHM 9 Page 15
iu chnh b lc vi thiu
my o p sut, bi trn AWG + AL
B lc khng kh, iu chnh
vi
my o p sut khng th
thiu
AF + ARG
B lc khng kh, sng m
tch, iu chnh vi
my o p sut khng th
thiu
AF + + AFM ARG
iu chnh b lc vi thiu
my o p sut, Mist phn
cch AWG + AFM
Cc tnh nng Ci thin kh nng hin th ca ng h o p
lc nm a im khc nhau.
5.Van iu chnh xi lanh
Van in - kh nn SMC
M t M hnh / CAD Chc nng
Van iu chnh
VEX1 + iu chnh nh hng kim sot van
Van v tr 3 VEX3 Van iu khin hng
Van nn kinh t
VEX5
Cung cp p lc gim + ON / OFF x + Kim sot tc
Cc tnh
nng
Thay i kch thc rng ln, cng kch thc 1/8 n 2. VEX1: iu tit kh thi cng sut ln VEX3: 3 cng, van v tr 3 VEX5: Ba chc nng (iu chnh p sut, van iu khin hng v iu khin tc ) c cung cp bi mt van duy nht.
a
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THIT K T NG HA
NHM 9 Page 16
6.Van tit lu
Van tit lu vi u ni nhanh - Loi thng - Kh nn
SMC
Loi Series / CAD
Kch thc
cng
vo
pha xi lanh
p dng ng OD
Kch thc
Metric Kch thc
inch
Trong
dng loi AS1001F 4001F --- 2 12
1 / 8 n
1 / 2
7.Lc kh
M t M hnh / CAD Chc nng
Van lc kh
S dng trong cht c ch x air.It c
th cn bng perssure trong b v ngn
chn cc cht gy nhim t i vo cc
tank.So n c th gi c sch s v
ko di tui th.
Cc tnh nng
SP1508.40: Bo Lc instruments - AF-22 / AF-35 - LEFILTER Thng s chnh : Bo Lc - Li Lc - Mng Lc Du, KHI, Nc, Bi - AF 22 / AF 35 -.
LEFILTER
AF 22 / AF 35 TH Lc Series.
Hng cung cp : LEFILTER
M hnh: AF-22 / F-35
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THIT K T NG HA
NHM 9 Page 17
Gi lp chng trnh S mch lc
Trong :
Xi lanh tc ng kp:
Cm bim v tr Pistong:
Van iu chnh p sut:
da
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THIT K T NG HA
NHM 9 Page 18
Van trn:
My Bm
Ngun:
Van tit lu:
Van in-kh nn:
Lc kh:
a
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THIT K T NG HA
NHM 9 Page 19
S u dy: RLA, RLB, RLC l cc tip im ca role tng ng. a, b, c l cc cun dy ca van iu chnh xilanh
S mch gim st h thng
Trong : -n hin th trng thi hot ng ca h thng v cc phn t xi lanh, cm bin: m
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THIT K T NG HA
NHM 9 Page 20
S mch iu khin
Gi lp hot ng ca h thng B1: Bt Start. B2: Bt b.Kh v gi trong vng 1s cng tc lin ng b.Kh c in, m bo kh nn t yu cu trc khi h thng lm vic. Lc ny h thng trng thi hot ng: n Start mch gim st trng thi ON. Cm bin da,db,dc trng thi ON/
B3: Khi c sn phm ti lm cm bin p trng thi ON, van in-kh nn ca xi lanh a c cp in, piston ca A s i sang bn phi y sn phm i, khi piston i ti v
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THIT K T NG HA
NHM 9 Page 21
tr cui hnh trnh, cm bin ca ON, van in kh ngng cp in v piston s c y v u hnh trnh, lc da s trng thi ON. Trong qu trnh piston xi lanh a y, n bo xi lanh a ON.
B4: Khi sn phm i ti v tr phn loi sn phm, cm bin a1 ON, nu sn phm cao chiu cao th van in-kh nn xi lanh b ON, piston xi lanh b y sang bn phi; nu sn phm khng chiu cao th van in-kh nn xi lanh c ON, piston xi lanh c y sang bn phi.
Khi piston cc xi lanh i ti cui hnh trnh, lm cm bin cb,cc ON th xi lanh s i sang bn tri tr v u hnh trnh. Trong qu trnh xi lanh b hoc c hot ng th n bo xi lanh b,c s sng. Nu sn phm chiu cao n bo sn phm cao s sng.
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THIT K T NG HA
NHM 9 Page 22
Sn phm khng chiu cao, xi lanh C hot ng, n xi lanh C ON
Sn phm chiu cao, xi lanh B hot ng, n xi lanh B ON, n bo sn phm cao ON
B5: Khi n Stop mch iu khin ca h thng s c ngt in, mch hin th vn c cp in, n bo Stop c ON, cc piston ca xi lanh ang hot ng t ng chy v bn tri ti u hnh trnh.
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THIT K T NG HA
NHM 9 Page 23
Khi n Stop, xi lanh ang hot ng t ng chy v bn tri, n bo Stop ON, n bo xi lanh ang thu v ON, mch iu khin c ngt in.
B6: Mun khi ng li h thng th thao tc lp li tun t theo bc 1.