Sealing technology thiab khoom siv

Sealing technology thiab khoom siv

Sealing yog hais txog ntau yam txheej txheem sealing tom qab ntim lag luam wholesale baklava ntim thawv cov khoom siv nrog cov ntaub ntawv ntim khoom lossis cov thawv ntim khoom kom ntseeg tau tias cov ntsiab lus tseem nyob hauv lub pob thiab zam kom tsis txhob muaj kev sib kis thaum ncig, tsheb thauj mus los, khaws cia thiab muag khoom. Nws muaj lub ntsiab lus dav thiab tseem hu ua sealing, sealing, lossis sealing. Tom qab ua tiav cov ntim khoomlag luam wholesale baklava ntim thawvnyob rau hauv lub thawv, lub tshuab uas kaw lub thawv yog hu ua sealing khoom. Cov ntim ntim sib txawv muaj ntau txoj kev sib khi, thiab cov khoom sib khi thiab cov khoom sib khi muaj ntau yam. Muaj ntau hom kev sib khi, cov khoom siv thiab cov khoom siv hauv kev sib khi thiab ntim khoom. uas tau muab faib ua hom hauv qab no raws li qhov muaj lossis tsis muaj cov khoom sib khi thiab cov txheej txheem sib khi sib txawv.

(1)Tsis muaj cov khoom sib khi, muaj kub nias sealing, vuam sealing, embossed sealing, folding sealing thiab plug-in sealing.

(2)Muaj cov khoom sib khi, suav nrog dov sealing, crimping sealing, siab sealing thiab twist sealing.

(3)Muaj cov khoom siv sealing. Hom sealing no muaj xws li ligation sealing thiab daim kab xev sealing.

Hauv lub neej txhua hnub, cov khoom sib khi no tuaj yeem pom txhua qhov chaw, xws li iav fwj npias, dej qab zib thiab lwm yam dej qab zib carbonated. Lawv yog cov khoom lag luam siab sealing, uas feem ntau hu ua capping tshuab. Cov dej hauv lub raj mis thiab cov khoom siv tshuaj feem ntau raug kaw los ntawm cov ntsia hlau capping, thiab feem ntau hu ua capping machines. Cov khoom noj kaus poom hauv cov thawv ntim tinplate raug kaw los ntawm crimping thiab sealing, uas yog ib txwm hu ua lub tshuab sealing. Kuv yuav tsis sau lawv ib leeg. Lawv tag nrho yog nyob rau hauv qeb ntawm cov khoom ntim khoom.

 

1. Muaj nuj nqi thiab hom ntawm cov nplaum

Txoj kev ntim khoom ntim khoom siv cov nplaum yog hu ua txheej txheem nplaum. Nws qhov zoo yog cov txheej txheem yooj yim, kev tsim khoom siab, kev sib koom ua ke siab zog, kev faib tawm kev ntxhov siab, kev sib khi zoo, kev hloov pauv dav dav, thiab nce thermal rwb thaiv tsev thiab rwb thaiv tsev. Nws yog dav siv nyob rau hauv kev lag luam ntim rau kev sib txuas ntau yam ntaub ntawv xws li ntawv, ntaub, ntoo, yas, thiab hlau. Nws ua lub luag haujlwm tseem ceeb hauv cov txheej txheem ntawm kev sib khi, kev tsim cov khoom sib xyaw, lub thawv sealing, stripping, thiab labeling.

Muaj ntau hom adhesives nrog complex cov khoom xyaw, thiab ntau yam khoom siv ntuj thiab hluavtaws tuaj yeem siv los ua cov nplaum. Raws li qhov xwm txheej ntawm cov khoom siv ntawm cov nplaum, nws tuaj yeem muab faib ua inorganic adhesives thiab organic adhesives; Raws li lub cev daim ntawv ntawm cov nplaum, nws tuaj yeem muab faib ua peb pawg: hom dej-soluble, hnyav hom thiab kub-melt hom; Raws li seb cov nplaum yog rhuab thaum ua haujlwm, nws muab faib ua cov kua nplaum txias thiab kub yaj nplaum.

2. Cov kua nplaum txias tsis tas yuav tsum tau cua sov thiab yog nqa tawm ntawm chav tsev kub.

Muaj dej-soluble adhesives thiab hnyav-raws li adhesives. Cov kua nplaum ua kua nplaum tsuas yog tsim rau 120-degree melt bonding uas tsis siv cov tshuab fusion dej vim muaj kev txwv ntawm hom, kev nyab xeeb, kev tiv thaiv ib puag ncig, thiab kev nyab xeeb ntawm kev tsim khoom. Nyob rau hauv cov ntaub ntawv ntawm adhesives, dej-soluble adhesives mas siv nyob rau hauv ntau lawm. Dongji hom Xinheli tau siv ntev tshaj plaws hauv ntim thiab muaj ntau npaum li cas. Nws qhov zoo yog kev ua haujlwm yooj yim, tsis tshua muaj nqi kev nyab xeeb thiab kev sib raug zoo siab. Nws tuaj yeem muab faib ua ob pawg: natural water-soluble adhesives thiab synthetic water-soluble adhesives. Nws yog lub ntuj dej-raws li nplaum nplaum uas tsis muaj zog txuag thiab siab zog. Fu hom ceeb toom. Lub hom phiaj tseem ceeb yog kaw cov thawv ntawv thiab ntawv. Nws yog ua los ntawm cov hmoov ntawv ruaj khov thiab cov hnab ntawv. Nws yog ua los ntawm cov hmoov nplej nyoos los yog zaub. Hauv kev tsim khoom ntawm Wabo cardboard, tsis txhob siv cov hmoov txhuv nplej siab. Adhesive. Nws qhov zoo yog tias nws yooj yim rau kev tsim thiab lo rau cov kaus poom hlau, tuaj yeem khi daim ntawv zoo, thiab muaj cua sov zoo. Qhov tsis zoo yog qhov adhesion sib txawv me me.

Tsis zoo adhesion rau plastics thiab coatings, tsis zoo dej kuj. Cov khoom siv fusion ntawm cov khoom siv thiab cov txheej txheej tua, xws li cov kua nplaum tsiaj, tuaj yeem siv los ua cov khoom tseem ceeb ntawm cov khoom siv rewetting ntawm daim kab xev sealing, thiab raws li cov nplaum ntawm daim kab xev sealing: xws li cov kua nplaum qhuav, feem ntau yog siv. raws li daim ntawv nplaum rau lub raj mis npias. Daim ntawv lo nplaum, vim tias nws tuaj yeem ua tau raws li cov dej txias immersion kuj yuav tsum tau rau npias lub raj mis daim ntawv lo hnab, thiab tuaj yeem ntxuav nrog dej alkaline tom qab lub raj mis rov ua dua. Nws kuj tseem tuaj yeem siv los ua cov tshuaj lom neeg siv rau Daizhi ntawv ci thiab cov khoom siv ntuj tsim, xws li Natural roj hmab emulsion, uas yog cov emulsion dawb muab rho tawm los ntawm cov ntoo roj hmab, feem ntau yog siv rau hauv ntim raws li cov khoom tseem ceeb ntawm cov nplaum rau polyethylene thiab ntawv. composites nyob rau hauv multi-layer hnab qauv. Nws tuaj yeem kaw nws tus kheej los ntawm kev siab, yog li nws feem ntau siv rau nws tus kheej-sealing candies. Adhesive rau wrapping, siab sealing thawv thiab siab sealing ntawv hnab.

Synthetic dej-soluble adhesives.

Feem ntau ntawm cov nplaum no yog resin emulsions, tshwj xeeb tshaj yog polyvinyl acetate emulsion-ruaj khov ncua kev kawm ntawv ntawm vinyl acid hais hauv dej. Hom nplaum no feem ntau siv rau hauvlag luam wholesale baklava ntim thawv, xws li kev sib sau, sealing lossis labeling thawv, thawv, raj, hnab thiab fwj. Vim nws cov khoom zoo heev, nws tau hloov ntau cov nplaum nplaum.

Txias kua nplaum txheej txheej txheem

Cov txheej txheem kev sib txuas ntawm cov kua nplaum txias tuaj yeem ua haujlwm manually lossis nrog cov khoom siv txheej txheej. Cov txheej txheem kev sib txuas tseem ceeb yog: txheej, nias thiab kho (volatilization). Curing yog txheej txheem uas cov dej los yog cov kuab tshuaj organic uas yaj cov kua nplaum txias evaporates kom txog thaum cov nplaum nws tus kheej solidifies. Tom qab cov nplaum yog siv rau lub adherend, nws yuav tsum nyob twj ywm nyob rau hauv lub xeev bonded ntev mus txog rau thaum nws solidifies. Siv txhuam los yog rab phom txau thaum thov ntawm tes. Thaum txheej txheej tshuab, muaj kwv yees li peb txoj kev ua haujlwm: D txheej txheej txheej txheej. cov kua nplaum txias nyob rau hauv lub thawv yog kis los ntawm rotating rollers. Muaj ob txoj hauv kev los kho cov kua nplaum tuab: thaum cov menyuam yog cov cylindrical du, nws tuaj yeem hloov kho los ntawm qhov sib txawv ntawm lub log nto thiab lub scraper; thaum cov menyuam nto muaj grooves, nws nyob ntawm qhov tob ntawm qhov zawj. Cov txheej txheem txheej txheej ntawm cov menyuam tuaj yeem siv cov nplaum nplaum ntawm chav tsev kub. Cov cuab yeej siv tau yooj yim thiab siv dav hauv folding carton pasting machine. Vim tias nws tuaj yeem siv tag nrho cov kua nplaum rau lub folds ntawm lub thawv, lub thawv tuaj yeem raug kaw tag nrho txawm tias cov ntsiab lus nyob hauv cov hmoov. Txawm li cas los xij, cov khoom siv yuav tsum tau ntxuav txhua hnub, thiab cov nplaum poob yog loj; Yog tias siv cov tshuaj organic, cov teeb meem kev tiv thaiv ib puag ncig yuav tsum tau xav txog.

3. Nozzle txheej txheej txheem. Muaj ob txoj hauv kev los tsuag kua nplaum nrog lub nozzle.

Txoj kev muab cov nplaum rau lub nozzle tuaj yeem yog lub tank siab lossis lub twj tso kua mis siab. Thaum txau cov kua nplaum hauv qhov tsis sib cuag, muaj qee qhov kev ncua deb ntawm lub nozzle thiab cov khoom yuav tsum tau ua raws, thiab lub twj tso kua mis siab nrog cov tshuaj tsuag ntau dua feem ntau yog siv. Tsis tas li ntawd, los ntawm qhov kev xav ntawm kev saib xyuas, rau

Rau cov ntaub ntawv xws li corrugated cardboard qhov twg ntawvlag luam wholesale baklava ntim thawvscraps zoo li sib sau rau ntawm lub nozzle, txoj kev tsis sib cuag yog qhov tsim nyog dua. Piv nrog rau cov txheej txheem txheej txheej txheej, cov txheej txheem tsis sib tiv tauj tuaj yeem hloov kho arbitrarily, thiab cov khoom siv tsis tas yuav tsum tau ntxuav txhua hnub; Txawm li cas los xij, txij li cov kua nplaum yog txau los ntawm lub taub me me, muaj teeb meem uas cov kua nplaum yuav qhuav thiab thaiv lub nozzle. Vim li no, qee qhov kev ntsuas yuav tsum tau ua Kev Ntsuas suav nrog tso lub nozzle rau hauv qhov chaw ntub lossis tshuab ya raws mus rau qhov kawg ntawm lub nozzle thaum cov kab sib dhos nres. Tsis tas li ntawd, qee cov nplaum nplaum yuav ua rau kom muaj zog ntawm cov hlau nozzles, uas yuav tsum tau xav txog thaum xaiv lawv.

Acid Mist kua nplaum txheej txheej txheem. Tsis muaj ntau qhov sib txawv ntawm cov tshuaj tsuag gluing thiab nozzle gluing systems. Qhov txawv yog tias qhuav gluing ua rau cov kua nplaum txias kis mus rau hauv cov duab linear, thaum cov tshuaj tsuag gluing ua rau cov kua nplaum txias sib kis hauv cov huab cua phem, Qhov laj thawj yog vim li cas cov txheej yuav tsum muaj thaj tsam loj. Kev sib txuas zoo tuaj yeem tau txais los ntawm kev siv cov kua nplaum me me, thiab lub sijhawm lamination tuaj yeem ua kom luv. Qhov tsis zoo yog tias thawj kab yog qhov muag plooj. Feem ntau yog siv rau sealing corrugated thawv 3. Kub yaj nplaum nplaum

Muaj peb txoj hauv kev los kho lub siab hauv cov khoom siv hauv cov ntaub ntawv los yog cov organic hnyav chav thaum cov khoom siv rau cov menyuam raug kaw.

Kub yaj nplaum nplaum yog cov nplaum nplaum raws li cov thermoplastic polymers. Nws txoj kev sib txuas yog: yaj nplaum, txheej, nias thiab solidification (txias). Cov kua txheej yog rhuab thiab melted kua nplaum, thiab solidification yog txheej txheem ntawm txias cov kua nplaum molten. txawv ntawm txias

Cov kua nplaum evaporates. Vim tias lub sijhawm txias yog luv dua li lub sijhawm evaporation, nws tuaj yeem hloov mus rau qhov siab dua ntawm cov khoom ntim tsis siv neeg. Nws yog ib qho tseem ceeb heev nplaum nyob rau hauv tam sim no ntim. Muaj peb feem ntau siv kub yaj nplaum nplaum. Thawj yog ethylene-vinyl acetate copolymer (EVA), uas tuaj yeem ua ke nrog siv quav ciab thiab tackifying resin los ua kom muaj txiaj ntsig zoo dua. Lub luag haujlwm ntawm cov quav ciab yog txo cov viscosity thiab tswj Kev kho ceev, yoog raws thiab kub tsis kam ntawm cov nplaum, lub luag haujlwm ntawm tackifying resin yog tswj cov viscosity thiab adhesion. Hom thib ob yog cov nplaum kub yaj raws li qhov hnyav molecular polyethylene, uas yog dav siv rau kev sib txuas ntawm daim ntawv, xws li lub thawv ntim thiab lub hnab ntim khoom. Qhov thib peb ntawm cov nplaum raws li amorphous polypropylene yog siv rau cov ntawv laminating los tsim cov khoom ntim dej los yog ob-txheej kev thauj mus los.

Tsis tas li ntawd, muaj qee qhov kub yaj nplaum uas ua tau raws li lwm cov hom phiaj tshwj xeeb. Tsis muaj teeb meem dab tsi ntawm cov nplaum nplaum kub lawv yog, lawv txhua tus muaj ib qho txiaj ntsig zoo sib xws, uas yog, lawv tuaj yeem sib koom ua ke los ntawm kev ua kom txias. Txawm li cas los xij, vim tias lawv kho tau sai heev, tsis zoo adhesion feem ntau tshwm sim qhov twg cov kub yaj solidifies yam tsis tau kov cov wetted substrate, thiab lawv lub zog poob sai heev thaum kub nce. Yog tias tsim nyog, lawv tuaj yeem tsim nyog rau feem ntaulag luam wholesale baklava ntim thawvdaim ntawv thov. , tab sis tsis haum rau kev ua haujlwm kub kub lossis ntim rau ci.

D txheej txheem gluing. Txoj kev yog yooj yim, tab sis tag nrho cov nyhuv tsis zoo.

Nozzle txheej txheej txheem.

Cov kua nplaum kub-melted yog muab tso rau hauv cov kua nplaum cia lub raj 6, thiab cov kua nplaum cia lub raj txuas nrog cov kua nplaum txheej nozzle 7; corrugated carton 10 yog xa mus rau cov kua nplaum txheej txoj hauj lwm los ntawm txoj siv conveyor 9, thiab lub nozzles txau cov kua nplaum pressurized los tsim cov kua nplaum rau ntawm daim thawv. Cov kua nplaum txheej 8 yog folded, nias thiab txias kom tiav kev sib txuas. Txij li thaum lub nozzle tsis tuaj rau hauv kev sib cuag nrog lub thawv thiab cov kua nplaum yog txau tawm nyob rau hauv lub siab, lub txheej ceev yog ceev thiab txawm. Ntawm ntau txoj kev sib khi, nws yog qhov siv dav tshaj plaws.

Flat kua txheej txheej txheem.

Cov kua nplaum kub-melted yog khaws cia rau hauv cov kua nplaum cia tank 11. Cov kua nplaum-coated nto ntawm daim duab los qhia daim 13 yog downward thiab muab tso rau ntawm cov kua nplaum-coated tiaj tiaj phaj 12. Cov kua nplaum-coated tiaj tus phaj txav nce thiab nqis, nqa. lub thawv dawb paug nyob rau hauv lub tank cia thaum nws nqis los. Cov kua nplaum yog siv rau hauv lub tank kua nplaum, thiab tom qab ntawd nce mus los ntawm folding, nias thiab txias kom ua tiav cov kev sib txuas. Cov kua nplaum-txheej lub phaj yog engraved nrog cov khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob Txoj kev no feem ntau yog siv rau pasting cartons.