Itekhnoloji yokutywina kunye nezixhobo
Ukutywina kubhekisa kwiinkqubo ezahlukeneyo zokutywina ezenziwa emva kokupakishwa iibhokisi zokupakisha ze-baklava ezithengiswayo ngobuninzi faka imveliso ngezinto zokupakisha okanye izikhongozeli zokupakisha ukuqinisekisa ukuba umxholo uhlala kwiphakheji kwaye uphephe ukungcola ngexesha lokujikeleza, ukuthuthwa, ukugcinwa kunye nokuthengiswa. Inentsingiselo ebanzi kwaye ikwabizwa ngokuba kukuvalwa, ukutywinwa, okanye ukutywinwa. Emva kokugqiba ukupakishwa kwezintoiibhokisi zokupakisha ze-baklava ezithengiswayo ngobuninziKwisitsha, umatshini ovala isitsha ubizwa ngokuba zizixhobo zokutywina. Izitya ezahlukeneyo zokupakisha zineendlela ezahlukeneyo zokutywina, kwaye iintlobo zeentlobo zokutywina kunye nezixhobo zokutywina zahlukahlukene. Kukho iintlobo ezininzi zeendlela zokutywina, izixhobo kunye nezinto ezisetyenziswa kwinkqubo yokutywina kunye nokupakisha. ezahlulwe zibe zezi zilandelayo ngokweendidi ngokuxhomekeke ekubeni zikhona okanye azikho na izixhobo zokutywina kunye neendlela ezahlukeneyo zokutywina.
(1)Akukho zinto zokutywina, kukho ukutywina okucinezelwe ngobushushu, ukutywina nge-welding, ukutywina okufakwe i-embossed, ukutywina okugoqekayo kunye nokutywina nge-plug-in.
(2)Kukho izinto zokutywina, kuquka ukutywina okuqengqelekayo, ukutywina okugoqekayo, ukutywina okuxinzelelweyo kunye nokutywina okujijekileyo.
(3)Kukho izinto zokuvala ezongezelelweyo. Olu hlobo lokuvala luquka ukutywinwa kwe-ligation kunye nokutywinwa kwe-tape.
Kubomi bemihla ngemihla, ezi mveliso zokuvala zinokubonwa kuyo yonke indawo, njengeebhotile zeglasi zebhiya, i-soda kunye nezinye iziselo ezine-carbonated. Ngokuyintloko ziimveliso zokuvala uxinzelelo, ezibizwa ngokuba ziimashini zokuvala ii-capping. Iimveliso zamanzi neemveliso zamayeza ezibhotileni zihlala zivaliwe nge-screw capping, kwaye zibizwa ngokuba ziimashini zokuvala ii-capping. Ukutya okusemathinini kwizikhongozeli ze-tinplate kuvalwa nge-crimping and sealing, okubizwa ngokuba yi-can sealing machine. Andizukuzidwelisa nganye nganye. Zonke zikwicandelo lezixhobo zokupakisha.
1. Imisebenzi kunye neentlobo zezincamathelisi
Indlela yokubopha iimveliso zokupakisha kusetyenziswa izincamathelisi ibizwa ngokuba yinkqubo yokuncamathelisa. Iingenelo zayo yinkqubo elula, imveliso ephezulu, amandla aphezulu okubopha, ukusasazwa koxinzelelo olufanayo, ukuvala okuhle, ukuguquguquka ngokubanzi, kunye nokwanda kweempawu zokukhusela ubushushu kunye nokukhusela. Isetyenziswa kakhulu kushishino lokupakisha ukubopha izinto ezahlukeneyo ezifana nephepha, ilaphu, umthi, iplastiki, kunye nesinyithi. Idlala indima ebalulekileyo kwiinkqubo zokuvala, ukuvelisa izinto ezidityanisiweyo, ukuvala ibhokisi, ukususa, kunye nokubhala iilebheli.
Kukho iintlobo ezininzi ze-adhesives ezinezithako ezintsonkothileyo, kwaye izinto ezininzi zendalo nezenziweyo zingasetyenziswa njenge-adhesives. Ngokwendalo yezinto ezisisiseko ze-adhesive, inokwahlulwa ibe yi-adhesives ezingaphiliyo kunye ne-adhesives eziphilayo; ngokwemo ebonakalayo ye-adhesive, inokwahlulwa ibe ziindidi ezintathu: uhlobo olunyibilikayo emanzini, uhlobo lwesinyibilikisi kunye nohlobo olunyibilikayo; ngokwendlela i-adhesive eshushu ngayo xa isebenza, yahlulwe ibe yi-cold glue kunye ne-hot melt adhesive.
2. Ukubopha iglu ebandayo akudingi kufudunyezwa kwaye kwenziwa kubushushu begumbi.
Kukho izincamathelisi ezinyibilikayo emanzini kunye nezincamathelisi ezisekelwe kwisinyibilikisi. Izincamathelisi ezisekelwe kwisinyibilikisi zilungele kuphela ukunyibilika kwe-120-degree bonding engasebenzisi oomatshini bokudibanisa amanzi ngenxa yemiqathango kwiintlobo, ukhuseleko, imigaqo yokhuseleko lokusingqongileyo, kunye nokhuseleko lwemveliso. Kwimeko yezincamathelisi, izincamathelisi ezinyibilikayo emanzini zisetyenziswa kakhulu kwimveliso. Uhlobo lwe-Dongji Xinheli lusetyenziswe ixesha elide ekupakisheni kwaye lunomlinganiselo omkhulu. Iingenelo zalo kukusebenza okulula, iindleko eziphantsi zokhuseleko kunye namandla aphezulu okunamathela. Lunokwahlulwa lube ziindidi ezimbini: izincamathelisi ezinyibilikayo emanzini zendalo kunye nezincamathelisi ezinyibilikayo emanzini ezenziweyo. Luhlobo lwe-Fu olusekelwe emanzini lwendalo olunokonga amandla aphantsi kunye namandla aphezulu. Isilumkiso sohlobo lwe-Fu. Injongo ephambili kukuvala iibhokisi kunye nephepha. Yenziwe ngeetyhubhu zephepha zomgubo ezizinzileyo kunye neengxowa zephepha. Yenziwe ngomgubo oluhlaza okanye imifuno. Kwinkqubo yokuvelisa ikhadibhodi yeWabo, kuphephe ukusebenzisa istatshi. Isincamathelisi. Iingenelo zalo kukuba kulula ukulwenza nokunamathela kwiitini zesinyithi, iphepha elinokubopha kakuhle, kwaye linokumelana okuhle nobushushu. Ingxaki kukuba ukuphambuka kokunamathela kuncinci.
Ukunamathela kakubi kwiiplastiki kunye neengubo, ukumelana kakubi namanzi. Izinto ezidityanisiweyo zezinto kunye nomaleko wokubulala, njengeglu yezilwanyana, zingasetyenziswa njengenxalenye ephambili yekhompawundi yokuphinda imanziswe yeteyiphu yokutywina, kwaye njengeglue yeteyiphu yokutywina: njengeglue eyomileyo, isetyenziswa kakhulu njengestikha seebhotile zebhiya. Iglue yeleyibhile, kuba inokuhlangabezana nokumelana nokuntywiliselwa emanzini abandayo okufunekayo kwiingxowa zeleyibhile yebhotile yebhiya, kwaye inokuhlanjwa ngamanzi e-alkaline emva kokuba ibhotile isetyenzisiwe. Ingasetyenziselwa ukwenza ikhompawundi yekhemikhali esetyenziselwa ifoyile yeDaizhi kunye nokudibanisa kwendalo, njenge-emulsion yerabha yendalo, eyi-emulsion emhlophe ekhutshwe kwimithi yerabha, isetyenziswa kakhulu ekupakishweni njengenxalenye ephambili yeglue ye-polyethylene kunye nee-composites zephepha kwizakhiwo zeengxowa ezineeleya ezininzi. Ingazivala ngokwazo ngoxinzelelo, ngoko ke idla ngokusetyenziselwa ukuzitywina iilekese. Iglue yokusonga, iibhokisi zokutywina ngoxinzelelo kunye neengxowa zephepha zokutywina ngoxinzelelo.
Izincamathelisi ezenziweyo ezinyibilikayo emanzini.
Uninzi lwezi zincamathelisi zii-resin emulsions, ingakumbi i-polyvinyl acetate emulsion-stable suspension yee-vinyl acid particles emanzini. Olu hlobo lwe-adhesive lusetyenziswa kakhulu kwi-iibhokisi zokupakisha ze-baklava ezithengiswayo ngobuninzi, njengokwenza, ukuvala okanye ukulebhelisha iibhokisi, iibhokisi, iityhubhu, iingxowa kunye neebhotile. Ngenxa yoluhlu lweempawu zayo ezintle, ithathe indawo yezincamathelisi zendalo.
Inkqubo yokubopha iglu ebandayo
Inkqubo yokubopha iglue ebandayo ingasetyenziswa ngesandla okanye ngezixhobo zokugquma. Iinkqubo eziphambili zokusebenza kokubopha zezi: ukugquma, ukucinezela kunye nokucubha (ukuguquguquka). Ukugquma yinkqubo apho amanzi okanye isinyibilikisi sendalo esinyibilikisa iglue ebandayo siphuma khona de iglue ngokwayo iqine. Emva kokuba iglue isetyenzisiwe kwi-adhesive, kufuneka ihlale kwimeko yokugquma ixesha elide ide iqine. Sebenzisa ibrashi okanye umpu wokutshiza xa uyifaka ngesandla. Xa ugquma izixhobo zoomatshini, kukho iindlela ezintathu zokusebenza: Indlela yokugquma i-D roller. iglue ebandayo kwisikhongozeli isasazwa ngeerola ezijikelezayo. Kukho iindlela ezimbini zokulungisa ubukhulu beglue: xa i-roller igudile, ingalungiswa ngesithuba esiphakathi komphezulu wevili kunye ne-scraper; xa umphezulu we-roller unemiqolo, kuxhomekeke kubunzulu be-groove. Indlela yokugquma i-roller ingasebenzisa ii-adhesive kubushushu begumbi. Ulwakhiwo lwesixhobo lulula kwaye lusetyenziswa kakhulu kumatshini wokunamathisela iikhathoni ezigoqekayo. Ngenxa yokuba inokufaka iglu ngokupheleleyo kwimiqolo yekhathoni, ikhathoni inokutywinwa ngokupheleleyo nokuba umxholo ukwimo yomgubo. Nangona kunjalo, izixhobo kufuneka zicocwe yonke imihla, kwaye ilahleko yeglue inkulu; ukuba kusetyenziswa izisombululo zendalo, imiba yokhuseleko lokusingqongileyo kufuneka iqwalaselwe.
3. Indlela yokugquma i-nozzle. Kukho iindlela ezimbini zokutshiza i-glue nge-nozzle.
Indlela yokubonelela ngeglu kwi-nozzle ingaba yitanki yoxinzelelo okanye ipompo yoxinzelelo. Xa kutshizwa iglu ngendlela engachukumisiyo, kukho umgama othile phakathi kwe-nozzle nento ekufuneka inamathele kuyo, kwaye kusetyenziswa ipompo yoxinzelelo enoxinzelelo oluphezulu lokutshiza. Ukongeza, ngokwembono yolondolozo,
Kwizinto ezifana nekhadibhodi ebotshelelweyo apho iphepha lisetyenziswa khonaiibhokisi zokupakisha ze-baklava ezithengiswayo ngobuninziIziqwenga zidla ngokuqokelelana kwi-nozzle, indlela yokungadibani ifanelekile ngakumbi. Xa kuthelekiswa nendlela yokugquma nge-roller, indlela yokugquma engadibaniyo ingalungiswa ngokungakhethiyo, kwaye izixhobo azidingi kucocwa yonke imihla; nangona kunjalo, ekubeni iglu itshizwa nge-nozzle enobubanzi obuncinci, kukho ingxaki yokuba iglu iya koma ize ivale i-nozzle. Ngenxa yesi sizathu, kufuneka kuthathwe amanyathelo athile. Amanyathelo aquka ukubeka i-nozzle kwindawo efumileyo okanye ukuvuthela umswakama ekupheleni kwe-nozzle xa umgca wokuhlanganisa umisiwe. Ukongeza, ezinye izincamathelisi ziya kukhawulezisa ukugqwala kwe-nozzle zesinyithi, ekufuneka ziqwalaselwe xa zikhethwa.
Indlela yokugquma iglue ye-asidi. Akukho mahluko mkhulu kwindlela ekwakhiwe ngayo iglue yespray kunye neenkqubo zegluing ze-nozzle. Umahluko kukuba iglue eyomileyo yenza iglue ebandayo isasazeke ngendlela ethe tye, ngelixa iglue yespray yenza iglue ebandayo isasazeke ngendlela ye-mist, Isizathu kukuba iglue ifuna indawo enkulu. Isiphumo esihle sokubopha sinokufunyanwa ngokusebenzisa inani elincinci leglue, kwaye ixesha le-lamination lingancitshiswa. Ingxaki kukuba umgca wokuqala awucacanga. Isetyenziswa kakhulu ekutywineni iibhokisi ezibotshelelweyo 3. Iglue yeglue eshushu enyibilikisiweyo
Kukho iindlela ezintathu zokulungisa uxinzelelo ngaphakathi kokusebenza kwezixhobo zelaphu okanye kwigumbi le-organic solvent xa izixhobo ze-roller zivaliwe.
I-hot melt adhesive yi-adhesive eqinileyo esekelwe kwii-polymers ze-thermoplastic. Inkqubo yayo yokubopha yile: i-melt adhesive, i-coating, i-pressing kunye ne-solidification (cooling). Ulwelo lwe-coating lufudunyezwa kwaye lunyibilikisiwe, kwaye i-solidification yinkqubo yokupholisa i-glue enyibilikisiweyo. eyahlukileyo kwi-cold.
Ulwelo lweglu luyaphela. Ngenxa yokuba ixesha lokupholisa lifutshane kakhulu kunexesha lokuphuma komoya, lunokulungelelanisa isantya esiphezulu semveliso yemigca yokuvelisa ukupakisha ngokuzenzekelayo. Luphawu olubaluleke kakhulu kwiphakheji yangoku. Kukho iiglu ezintathu ezisetyenziswa kakhulu ezishushu ezinyibilikayo. Eyokuqala yi-ethylene-vinyl acetate copolymer (EVA), enokudityaniswa ne-wax kunye ne-tackifying resin ukwenza iglue eluncedo ngakumbi. Umsebenzi we-wax kukunciphisa i-viscosity kunye nolawulo. Isantya sokunyanga, ukuguquguquka kunye nokumelana nobushushu kweglue, indima yeglue yokutywina kukulawula i-viscosity kunye ne-adhesion. Uhlobo lwesibini luphawu olushushu olunyibilikayo olusekelwe kwi-polyethylene enobunzima obuphantsi beemolekyuli, olusetyenziswa kakhulu ekubopheni iphepha, njengokutywinwa kwekhathoni kunye nokuvalwa kwebhegi. Uhlobo lwesithathu lweglue olusekelwe kwi-polypropylene engabonakaliyo lusetyenziselwa iphepha lokulamina ukuvelisa izinto zokupakisha ezingangeni manzi okanye ukupakisha okuqinisiweyo okunezintlu ezimbini.
Ukongeza, kukho ezinye izincamathelisi ezinyibilikayo ezishushu ezihlangabezana nezinye iinjongo ezikhethekileyo. Nokuba loluphi uhlobo lwezincamathelisi ezinyibilikayo ezishushu, zonke zinenzuzo enye efanayo, oko kukuthi, zinokudityaniswa ngokuphola nje. Nangona kunjalo, ngenxa yokuba zinyangeka ngokukhawuleza, ukunamathela okungekuhle kuhlala kwenzeka apho ukunyibilika okushushu kuqina ngaphandle kokuchukumisa isiseko esimanzi, kwaye amandla azo ancipha ngokukhawuleza xa ubushushu bunyuswa. Ukuba zenziwe ngokufanelekileyo, zinokufanelekela uninzi lwazo.iibhokisi zokupakisha ze-baklava ezithengiswayo ngobuninziizicelo. , kodwa ayifanelekanga kwimisebenzi yokuzalisa eshushu kakhulu okanye ukupakisha xa kubhakwa.
Indlela yokuncamathelisa i-roller engu-D. Le ndlela ilula, kodwa isiphumo siphela asisihle.
Indlela yokugquma imilomo.
Iglue enyibilikisiweyo ifakwa kwityhubhu yokugcina iglue 6, kwaye ityhubhu yokugcina iglue iqhagamshelwe kwi-nozzle yeglue coating 7; ibhokisi erhabaxa 10 ithunyelwa kwindawo yeglue coating yibhanti yokuhambisa 9, kwaye i-nozzle itshiza iglue ecinezelweyo ukuze yenze iglue kwiqhekeza lebhokisi. Umaleko weglue 8 uyasongwa, ucinezelwe kwaye upholiswe ukuze kugqitywe i-bonding. Ekubeni i-nozzle ingadibani nebhokisi kwaye iglue itshizwa phantsi koxinzelelo, isantya seglue siyakhawuleza kwaye siyalingana. Phakathi kweendlela ezahlukeneyo zokubopha, yeyona isetyenziswa kakhulu.
Indlela yokugquma iglu ethe tyaba.
Iglue enyibilikisiweyo igcinwa kwitanki yokugcina iglue 11. Umphezulu ogqunywe yiglue webhokisi yekhadibhodi 13 usezantsi kwaye ubekwe kwipleyiti ethe tyaba egqunywe yiglue 12. Ipleyiti ethe tyaba egqunywe yiglue ihamba phezulu nasezantsi, ithwala iqhekeza elingenanto lekhathoni kwitanki yokugcina xa ihla. Iglue ifakwa kwitanki yeglue, ize inyuswe ngokugoba, ukucinezela kunye nokupholisa ukuze kugqitywe ukubopha. Ipleyiti ethe tyaba egqunywe yiglue iqoshwe ngeendawo ezingenanto ezifanelekileyo kwiindawo ezingenanto zekhathoni, ukuze umphezulu ngamnye ogqunywe yiglue ugqunywe ngaxeshanye, ngaloo ndlela kuphuculwe ukusebenza kakuhle. Le ndlela isetyenziswa kakhulu ekuncamathiseleni iikhathoni.
Ixesha lokuthumela: Novemba-27-2023
