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

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

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

THIT K T NG HA

NHM 9 Page 4

bi

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.

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

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

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

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

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.

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.

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

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

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

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

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

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

THIT K T NG HA

NHM 9 Page 18

Van trn:

My Bm

Ngun:

Van tit lu:

Van in-kh nn:

Lc kh:

a

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

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

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.

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.

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.