NGHIEN CIIU-TRAO001 NGHIEN c a u , THIET KE, CHE TAO MAY CAP XUC Xl'CH BAN TLf DONG CHO MAY DONG GOI RESEARCH, DESIGN, MANUFACTURE SEMI-AUTOMATIC SAUSAGE FEEDER MACHINE FOR PACKING SYSTEM PGS,TS Nguyen Hdng Ngan, ThS Vu Nhu- Phan ThiSn, Hoang Minh Tri, T6 Van Giap Bd mdn Co gidi hda Xi nghiep va Xay dung, Khoa Co khi, Trudng Dai hpc Bach Khoa, Dai hpc Qudc gia TR Hd Chi Minh TOM TAT Viec tit ddng hda todn hd he thdng ddng gdi xuc xich la mdt nhu cdu tie thuc te Bdi bdo nay, trinh bdy kit qud nghien ami lua chon: Kit cdu, nguyen ly hogt ddng cung nhu cdc ca sd ly thuyet cua viec cdp lieu theo chu ky ddng gdi bdng phuang phdp lac rung da duac nghien cuu vd dp dung vdo mdy cap \ cho mdy ddng gdi theo yeu cdu Mdy da duac che tgo vd thu nghiem cho phep gidm lao ddng thu con^ cho he thdng day chuyen ddng gdi xuc xich Tu- khoa: Mdy ddng gdi xuc xich; Hi thong ddng gdi xuc xich; Mdy cdp xuc xich tu dgng; Mm cdp rung ABSTRACT The automation of a packaging-sausage system is a real demand This paper presents res results, selects: Structure and working principles as well as the theoretical basis of feeding i based on shaking vibration have been studied and utilized for the packaging machine according to the desired production rate The machine has been successfully fabricated automatic-synchronization requirements of the packaging and tested to guarantee the system Keywords: Sausise packaging machine; Sausage packaging system; Sausise automation feeder, Vibration feeder TAP CHI CO KHi VIET NAM, So nam 2014 www.cokhivietnam.vn NGHIEN cuu-TRAODOI l.DATVANDE - Xuc xich loi va thieu se dupe canh tay robot Cac doanh nghiep hoat ddng linh vuc cdng nghe giet md gia sue, cung eSp thit tuai sdng, thit ddng lanh va cac mat hang thuc xit ly; - Xiic xich dupe ddng gdi hoan ehmh Nhan xet: pham che bien tir thit phai trai qua rat nhieu cdng doan Rieng ddi vdi san pham xiie xich, viec ddng da dupe tu ddng hda d phan Idn eae cdng ty, nhien, viec cap xuc xich vao may ddng gdi van thuc hien chu yeu bSng tay gia trang bi tu ddng toan bd he thdng day chuyen ciia nude ngoai rat cao, vi du nhu tai Cdng ty TNHH MTV Viet Nam Ky nghe Sue san (VISSAN) v i n phai thue hien cap xiic xich -Day la day chuyen san xuat, ddng gdi rat hien dai, nang suat Idn -Tat ea cac cdng doan dupe thue hien tu dpng, ngudi chi ddng vai trd giam sat - De y tdi bd phan cap xiic xich cho thiet bi ddng gdi ta thay rang xiie xieh dupe xep doc theo chieu bang tai cho day chuyen bang tay vdi cdng nhan dirng 2.2 Day chuyen dong gdi cua Dai Loan (day may, lam tang chi phi san xuat Dua tren nhu chuyen thirc te da dirffc lap dat d Vissan) c4u tir san xuit, nhdm nghien cuu da nghien - Xiie xich duoc sap xep bang tay vao rd; cuu he thdng sSp xep va cap xuc xich tu ddng cho may ddng gdi vdi chi phi thap hon nhieu so - Xiie xich duoc cong nhan bd vao may cap xiie xich va tu ddng dua xudng bang tai theo diing vdi nhap ngoai sd lupng va vao may ddng gdi tu dpng NGHIEN CUtJ CAC PHl/ONG AN THIET K £ Muc dich: Tim hieu cae day ehuyen tu dpng da su dung tren thi gidi viec ckp xiie xich vao may ddng gdi va tir dd nghien cim phuang an thilt k l phii hpp vdi yeu eiiu cua Cdng ty a) Patent EP0655041B1 (hinh 1) Xiie xieh dupe sap xep theo ehieu doc vao pheu chua 2.1 Day ehuyen ddng goi ciia Diic (Theo http:// www.drakeIoader.cora/Products/colIator_ home.html) Pheu chua dupe dat nghieng de tu cap xiic xich vao gau tai b) Patent EP0456155B1 (hinh 2) - Xuc xich dupe phan loai tho; Xiic xich dupe diin va cat duac xep tren - Xuc xich dupe dinh hudng tten bang tai ed ranh; bang tai doc Khi xuc xich dupe bang tai van chuyen den - Xuc xich dugc phan vao hjng khoang va ed tay gat; 2.3 Cac phat minh da cd tren the gidi (nguon tif Internet) cudi bang tai va cap vao khudn cho may ddng gdi dudi sir giam sat ciia bp dem TAP CHI CO KHI VIET NAM, S n a m I www.cokhivietnam.vn NGHIEN cuu-TRAODOI - Phlu (2): Xiic xich da duac sap xep trudc de du trii' va cap xudng khudn - Khudn (3): Nhiem vu phan deu sd lupng xiic xieh theo yeu eau ddng gdi cho mdi lan cap vao bang chuyen - Co cdu rung (4): Gay rung dpng d6 xiic xich bd vao pheu cd the rdt deu vao khuon tranh tinh trang ket giira cac eay xiic xieh '«*-> v\ Hinh I: Patent EP(I65S(]41B1 - Co ciu day (1): Nhiem vu cua co eau la dly xiic xieh sau da rdt deu vao khudn bang chuyen de dua den may ddng gdi - Khung (5); Mang toan bp he thdng may va ^%^i bp phan truyen ddng dam bao dp cimg viing, an toan va tinh tham my Hinh 2: Patent EP0456155B1 Qua tham khao va phan tich cac qui trinh ddnj gdi tu ddng hien cd tren the gidi, nhdm nghien cii'u da chpn Ipc va lam md hinh nhiing phuong Hinh 3: Kit cdu mdy cdp xuc xich xudng bdng chuyin ddng gdi: an kha thi va cudi cimg da thdng nhat lira chpn phuang an may cap xiic xich vao may ddng gdi 1) Ca cdu day; 2) Pheu; Khudn; 4) Ca cdu rung; 5) Khung nhu hinh 3, bdi cac uu diem: Kha nang tu dpng hda, gia dau tu thiet bi thap va cai thien nang suit Nguyen ly boat dpng eiia may cap xiic xich tu dpng: MAY CAP XUC XICH BAN TlT DONG 3.1 Ket cau, nguyen li hoat dong may cdp xiic xich tu' dong May cap xiie xich ban tu dpng (hinli 3) gdm CO bd phan nhu sau: TAP CHi CO KHi VIET NAM, So nam www.cokhivietnam.vn Xiie xich dupe eho vao may theo mdt trat tir nhat dinh, dudi tae dpng rung cua ca cau rung, xiic xich dupe sap xep cd trat tu va roi deu xuong khudn, xiie xieh sau da roi xudng khudn, ducrc eo cau day day tdi bang ehuyen Bien dp rung ciia NGHIEN ciiu-TRAO 001 CO eau rung dupe lay tir thue nghiem (phu thudc vao van tdc dong gdi), van tdc cua co cau day dupe dieu khien bang ddng co servo thdng qua tin hieu thu dupe, dam bao su ddng bd vdi van tde bang dua xuc xich tdi may ddng gdi u Md hinh kit cdu rung (tham khdo ca sa ky thuat rung mdy sdn xudt vdt lieu vd cdu kien xdy dung) Muc dich CO cau rung nham tang cudng kha nang rung lae xiie xich de sap xep ddng thdi dua deu va du sd lupng xiic xich xudng khudn Ket cau va so dd nguyen ly ciia eo eau rung dupe trinh bay tren hinh va Cac thdng sd ket eau va lam viec ciia bd rung dupe xae dinh dua tren co sd ty thuyet ve rung dpng va eac ket qua tir thuc nghiem Hinh 4: Kit cdu ca cdu rung: Hinh 5: Sa dd nguyen li ca cdu rung: 1) Ddng ca; 2) Khdp ndi; 3) Tdm i-ung; 1) Dong ca, 2) Kh&p ndi; 3) True, 4) Thanh chdng; 5) Cum truat; 4) Tdm da; 5) Khudn rung; 6) Cum truat 6) Khudn rung; 7) Gdi da; 8) Lo xo; 7) Mat ti; 8) Ld xo; 9) Bdnh lech tdm; 9) True; 10) Bdnh lech tdm; 11) O bi 10)Gdidd; Il)6bi b Md hinh kit cau ca cdu cdp xiic xich Muc dich cua co c4u d p xuc xieh la dam bao dua diu va du sd lupng xuc xich nam khudn tdi bang ehuyin cua may ddng gdi hr ddng, van tdc d p dupe dieu chinh bang ddng ca servo ddng bp vdi van tdc ddng gdi Ket c4u va so dd nguyen ly cua co eSu ckp dupe h-inh bay tren hinh va Cac thdng sd kit c4u va lam vice eua co c4u diy dupe xac dinh dua h-en co sd ly thuyet ve rung dpng va cae kit qua tir thuc nghiem TAP CHi C O KHi VIET NAM, S6 nam 2014 www.cokhivietnam.vn NGHIEN ciiu-TRAODOI 12 11 Td~-^—a~^ 10 SA Hinh 7; Sa nguyen li ca cdu day 1) Dong ca; 2) Bo truyen dai; 3) Goi da; 4) True; 5) Tay quay: 6) Chdt; 7) Cdn dif; 8) Tdm do' truat; 9) Cum goi truat; 10) Tay bien Hinh 6: Kit ciu tdng the ca cdu day: 1) Bo truyin dai; 2) Goi da; 3) True; 4) Tay quay: 5) Chdt; 6) Tay bien; 7) Chit: 8) Can ddy; 9) Tam da truat; 10) Con truat; 11) Ray; 12) Bo khung //////////////////////// J, —fl#|—( y/J///, ''^^^^^ b a) b) Hinh 8- Md hinh he Idc rung, vd ca cdu cdp 3.2 Co" sd \i thuyet qua trinh cap xiic xich (tham khao ABTOMaTHHecKaa sarpysKa lexHOJiorHMeCKHX MauiHH: enpaeoHUHK) Cae CO cau cap va ban cap xiie xieh deu ed the dupe md hinh hda bang he ddng luc hpc mdt khoi lupng kich thich bang dan ddng true khiiy truyen (hinh 8a) Co eau cap lieu khdi lupng m lien ket vdi phan vat lieu duoc cap cd dp dan hdi va dp nhdt qui ddi la c va b, neu truyen chuyen ddng vdi van tdc gdc diu la o), cdn chieu dai true khuyu r nhd hon nhilu so vdi truyen, dd cin diy se h^yen cho khii quan tinh m mpt dao dpng hinh sin la x = rcosciit Dk xac djnh luc F ma fruyln tac dung len khdi luong m, theo nguyen tac Dalamber tii dieu kien can bang ddng cua phan m ta co mx + bx + cx = F: Lay gia tri cx = F = F^cos((sit+(s?) Trong dd: = ta nhan duoc r^((Ml-&'f+4h'(M' Trong qua trinh dao ddng, giiia cac cay xuc xich cd su tuong tac lan xuat hien su dan hoi c va nhdt b TAP CHI CO KHi VIET NAM, So nam 2014 www.cokhivietnam.vn NGHIEN cuu-TRAODOI tan sd cdng hudng (o^;, =ycO(,^-2A^ bien dp luc eiia can day dat gia tri cue tieu: F^^,^2mrhyloi,'-h' Khi khdng cd luc can nhdt ed nghia la b = h = 0,Gi,,^Gio,F^^,=0 Trong do: /,• Thdi gian roi xiic xich xuong khuon; d: Dudng kinh xiic xich; Gia tri lire kich ung vdi lue can thay ddi dupe g: Gia t6e trpng trudng bieu dien tren hinh 8b vdi dudng tuong ung vdi dudng l-h=0, dudng 2-h < Q}^ /v2, dudng - h Nhu vay, nang suat eua may cap xuc xich se > Q}gl^2 O trudng hpp cudi hien tupng cdng khdng the vugt qua: hudng da khdng xay Nhu vay, eong hudng _ 360Qyt: _ SOOOkJg he da cho la su giam luc tae ddng len bd Q 2/ 242d phan dan ddng Ciing nhu he ddng lire hpe, d day khiO)-0)Q thi hien tucmg cdng hudng xay Trong dd k: He sd hieu chinh thdi gian roi thuc va luc F^= va bieu dd hinh 8b ta cung Tir nhiing nhan xet tren ta nhan thay kich thay van tdc gdc (o cd gia tri gan vdi co^ thi lye xiic xich cang Idn thi nang suat gidi thudc dudng F^secdgiatrinhd ban cua may cang nhd Cdng suat cua co cau cap: CAC KET QUA TINH TOAN MAY CAP CHO CAC LOAI XUC XICH KHAC NHAU N = F„.x N = mryjia^ -(o^f +4h^(o^ (-Ki} sinco N = m./-^co^(a)o -(o^f +4h}ii'.cos^ t + —) Nhan xet: Cdng suit cap la mpt ham thay ddi theo hinh sin vdi tan sd bang tan sd lire kich Dua tren ca sd ly thuyit tinh toan ta se xac dinh duac eae thdng sd lam viec cho mang lac ciing nhu co eau cap xiie xich D I dam bao van tdc eip xuc xieh phii hpp vdi may ddng gdi cin dilu chinh van tde day theo van tde ddng gdi, phii hpp vdi may ddng gdi D I xac dinh nang suit ly thuyit cua may, dua tren nguyen tdc lam viec cua may cap, ta nhan thiy mac dii nang sudt may eip xiic xich dupe cd thi dupe dilu chinh bing ddng eo servo, nhien xiic xich roi xudng khudn day theo nguyen tac rai hr do, nen nang suit thuc tl se bi khdng che rtr thdi gian roi eiia xuc xich it nhat phai la: May ddng gdi xuc xieh thudng dupe thuc hien cho nhieu loai xiic xich khac dd tinh toan ket cau may cap can tinh den kha nang dieu chinh kich thudc ciia khudn chira xiie xieh ciing nhu hanh trinh day cua ca cau cap phii hpp vdi kich thudc xiic xich Xiic xich dupe cap cho may ddng gdi Ur ddng chii yeu gdm bdn loai: - Loai 1: Dudng kinh 17 mm; Chieu dai 140mm - Loai2:EXrdngkinhl8mm; Chieu dai 100mm - Loai :E)udng kinh 20 mm; Chieu dai 140mm - Loai 4: Dudngkmh25 mm; Chieu dai 180mm Khdi lupng mdi eay xiie xieh nang tir 40 - 50 g Xiie xich can dupe dua tdi day chuyen ddng gdi theo diing sd lupng theo mdi lan nap (4-6 cay '^ TAP CHi CO KHi VIET NAM, So nam 2014 www.cokhivietnam.vn ^ NGHIEN ciru-TRAODOI xuc xich loai) va di vdi van tdc dong gdi thay ddi tir 100- 120 gdi mpt phut De dam bao nang suit cho may ddng gdi, may cap co the chiia lue diu nhilu nhit la kg xiie xich, dua tten khdi lugng xiic xich may ta se cd khdi lupng qui ddi tac dung tdi mang lac va eo cau cap xiie xich Hinh 9: Mdy cdp xiic xich da chi tgo Sau qua trinh ehi tao va thu nghiem may cap xiic xich da dupe dua vao su dung (hinh 9) Cac KET LUAN thdng sd cua may da che tao cho loai xiie xich dudng kinh 20 mm, chilu dai 140mm nhu sau: + Cae thdng sd lam viec cho mang lac rung: - Van tdc lie: 250 lin/ phut (tuy thudc vao kha nang sip xIp xiie xieh xudng khudn cap) Viec nghien cuu thiet ke che tao he thdng sap xIp va eip xiic xich tu ddng eho mdt may dong gdi xiie xich vdi gia da phan nao dap ling dugc nhu ciu hi ddng hda toan bd day chuyen ddng gdi eho cac nha may che bien xiie xieh Cac thdng sd kit ciu va larii viec cua may eip xiie xich - Bien dp lie: mm (phu thuoc vao kich hoan toan phu hop va ddng bd vdi nang suit cua thudc dudng kinh xiic xich) may ddng gdi ciia doanh nghiep Viec sap xep tu - Cdng suat rung: HP ddng xiie xieh vao may cap ciing da dupe nghien + Cae thdng sd lam viec cho eo cau cap: cii-u va se trinh bay d nhiing bai bao sau Cac ket qua nghien cuu hoan toan cd the md rdng pham Van tdc lie: 120 lin/ phut (ddng bd vdi van tic may ddng goi) - Hanh trinh day: 150 mm (tuy thudc vao kich thudc chieu dai cay xuc xich) - Cdng suat rung: 0,5 HP vi ap dung cho cac nha may cd nhu cau nham tang hieu qua eua eae day chuyen, tang nang suat che bien xuc xieh va tir dd giam dugc chi phi tren mpt dan vi san pham va tang cudng kha nang canh tranh cua cdng ty tren thi trudng.*!* Ngay nhan bai: 12/02/2014 Ngay phan bien: 14/3/2014 Tai li§u tham khao: [1] "ABTOMaTiiMecKaa 3arpy3Ka TexHonoraqecKHx MEIUHH: cnpaeoiHUK", MaumnocTpoeHe, 1990 - 400 c [2] Tran Van Tuan, Ca sd ky thudt rung mdy sdn xudt vat lieu vd cdu kien xdy dung NXB Xay dung Ha Npi, (2005) [3] KREWER (1995), Conveyor arrangement for a sausage packaging machine Bulletin 1998/18 [4] Righele, 1992, Machine for the separation of one continuous sausage into individual sausages Bulletin 92/38 [5] Miehaud, Pressean,DTo[et, (1994), Sausage link handling and packaging machine Bulletin 91/46 TAP CHi CO KHi VIET NAM, S6 nam 2014 www.cokhivietnam.vn ... chi ddng vai trd giam sat - De y tdi bd phan cap xiic xich cho thiet bi ddng gdi ta thay rang xiie xieh dupe xep doc theo chieu bang tai cho day chuyen bang tay vdi cdng nhan dirng 2.2 Day chuyen... dung (hinh 9) Cac KET LUAN thdng sd cua may da che tao cho loai xiie xich dudng kinh 20 mm, chilu dai 140mm nhu sau: + Cae thdng sd lam viec cho mang lac rung: - Van tdc lie: 250 lin/ phut (tuy... gat; 2.3 Cac phat minh da cd tren the gidi (nguon tif Internet) cudi bang tai va cap vao khudn cho may ddng gdi dudi sir giam sat ciia bp dem TAP CHI CO KHI VIET NAM, S n a m I www.cokhivietnam.vn