Lithium Battery Winding Machine: Misimboti, Makiyi Maitiro uye Hunhu Kudzora Mazano

Mukugadzira mabhatiri e-lithium-ion, kazhinji kune nzira dzinoverengeka dzekuparadzanisa maitiro. Maitiro acho anogona kukamurwa kuita matatu makuru maitirwo: kugadzira electrode, kugadzira gungano uye kuyedzwa kwesero (sezvinoratidzwa mumufananidzo uri pazasi), uye kune zvakare makambani anoipatsanura kuita pre-mamhepo uye post-mapepeti maitiro, uye iyi yekumisikidza poindi nzira yekupoterera. Nekuda kwesimba rayo rekubatanidza basa, rinogona kuita kuti bhatiri rioneke kuumbwa kwekutanga, saka iyo inomonereka mu lithium-ion bhatiri kugadzira sechinhu chakakosha, ndiyo kiyi, iyo nzira yemhepo inogadzirwa neyakakungurutswa core inowanzo kunzi isina chinhu. bhatiri cell (Jelly-Roll, inonzi JR).

Lithium-ion Battery Manufacturing Process
Muiyo lithium-ion bhatiri yekugadzira maitiro, iyo yepakati mhepo nzira inoratidzwa sezvinotevera. Iyo chaiyo mashandiro ndeyekukungurusa iyo yakanaka pole chidimbu, yakashata pole chidimbu uye yekuzviparadzanisa firimu pamwe chete kuburikidza nemuchina wekumonera tsono mashandiro, uye ari padyo neakanaka uye asina kunaka zvidimbu zvepango zvakaparadzaniswa neiyo yega firimu kuitira kudzivirira kupfupika. Mushure mokunge mhepo yapera, nheyo yacho inogadziriswa nekuvhara mapepa ekunamatira kudzivirira musimboti kubva pakuparara, uye zvino inoyerera kune imwe nzira inotevera. Mukuita uku, kiyi ndeyekuona kuti hapana kubatwa kwepanyama pakati peakanaka neasina kunaka maelectrode, uye kuti pepa re electrode rakashata rinogona kuvhara zvachose pepa rakanaka re electrode mumativi ese akatwasuka uye akachinjika.

Schematic dhizaini yemaitiro ekutenderera
Mukuita kupetwa kwepakati, kazhinji mapini maviri anosungirira maviri e diaphragm kune pre-mhepo, uye obva adyisa iyo yakanaka kana isina kunaka chidimbu chepfu, uye chidimbu chedanda chinosungirirwa pakati pematanho maviri e diaphragm kuti apenye. Mukureba kwekutungamira kwepakati, iyo diaphragm inodarika iyo isina kunaka diaphragm, uye iyo isina kunaka diaphragm inodarika iyo yakanaka diaphragm, kuitira kuti udzivise kusangana kupfupi wedunhu pakati peiyo yakanaka uye yakaipa diaphragms.

Schematic dhayagiramu yekumonera tsono clamping diaphragm

Kudhirowa kwemuviri kwe otomatiki mhepo yekumonera muchina

Winding muchina ndiyo yakakosha midziyo yekuziva iyo yepakati mamhepo maitiro. Tichireva dhayagiramu iri pamusoro, zvikamu zvaro zvikuru uye mabasa ndeaya anotevera:

1. Pole piece supply system: fambisa zvidimbu zvakanaka nezvakaipa pamwe chete nenjanji yegwara kune maviri akaturikidzana e diaphragm pakati pedivi reAA nedivi reBB zvakateerana kuti ave nechokwadi chekupihwa kwakagadzikana kwezvidimbu zvemapole.
2. Diaphragm unwinding system: Inosanganisira madiaphragms epamusoro uye epasi kuti aone otomatiki uye anoenderera mberi ekupa diaphragms kune inomonereka tsono.
3. Tension control system: kudzora kusagadzikana kweiyo diaphragm panguva yekufambisa.
4. Winding uye gluing system: yekubatanidza uye kugadzirisa macores mushure mekuputika.
5. Kuburutsa conveyor hurongwa: Otomatiki dismantle macores kubva tsono uye kudonhedzera pamusoro otomatiki conveyor bhandi.
6. Kuchinja kwetsoka: Kana pasina chimiro chisina kujairika, tsika parutsoka chinja kuti udzore kushanda kwakajairika kwemhepo.
7. Human-computer interaction interface: ine parameter setting, manual debugging, alarm prompts nemamwe mabasa.

Kubva pakuongorora kwepamusoro kwekugadzirisa kwemhepo, zvinogona kuonekwa kuti kuputika kwesimbi yemagetsi kune zvibatanidza zviviri zvisingadzivisiki: kusundira tsono uye kudhonza tsono.
Sunda nzira yetsono: mitsetse miviri yetsono inotambanudzira pasi pechiito chekusundidzira silinda yetsono, kuburikidza nemativi ese ediaphragm, mitsetse miviri yetsono inoumbwa nekubatanidzwa kwecylinder yetsono yakaiswa mukati meruoko, mitsetse yetsono. padhuze nekusunga diaphragm, panguva imwe chete, mipumburu miviri yetsono inobatana kuti iite chimiro chakafanana, sepakati pepakati pemhepo.

Schematic diagram yetsono yekusunda muitiro

Kupomba kwetsono: mushure mekupedzwa kwepakati pekupedzisira, tsono mbiri idzi dzinodzoserwa pasi pechiito chetsono kupomba silinda, silinda yetsono inobviswa kubva pane sleeve, bhora mumudziyo wetsono rinovhara tsono pasi pechiito chechirimo, uye tsono mbiri idzi dzakaputirwa munzira dzakapesana, uye saizi yemahara yetsono inodzikiswa kuita imwe gap pakati petsono nepakati pepakati pepamusoro, uye netsono yakadzoserwa maererano nekuchengetedza sleeve, tsono uye. musimboti unogona kuparadzaniswa zvakanaka.

Schematic diagram yetsono yekubvisa maitiro

Iyo "tsono" mukusundidzira nekuburitsa tsono iri pamusoro inoreva tsono, iyo, sechikamu chepakati chemuchina unomonereka, ine simba rakakura pakumhanya kwemhepo uye kunaka kwepakati. Parizvino, mazhinji emakina anomonereka anoshandisa denderedzwa, oval uye flat-dhaimani-yakaita tsono. Kune denderedzwa uye oval tsono, nekuda kwekuvapo kwayo kweimwe arc, inozotungamira ku deformation ye pole nzeve yepakati, mune inotevera nzira yekutsikirira kwepakati, asi zvakare nyore kukonzera mukati makwinya uye deformation yepakati. Kana dziri tsono dzakaita sedhaimani dzakatsetseka, nekuda kwehukuru hwakakura mutsauko pakati pematemo marefu uye mapfupi, kushushikana kwepango uye diaphragm kunosiyana zvakanyanya, zvinoda kuti mota yekutyaira iite mhepo nekumhanya kwakasiyana, izvo zvinoita kuti maitiro akaoma kudzora, uye kumhanya kwemhepo kunowanzo kuderera.

Schematic diagram ye common winding tsono

Tora iyo yakanyanya kuomarara uye yakajairika tsono yakaita sedhaimani semuenzaniso, mukutenderera kwayo uye kutenderera, iyo yakanaka uye isina kunaka zvidimbu zvepango uye diaphragm zvinogara zvakaputirwa pamakona matanhatu emakona eB, C, D, E, F. uye G senzvimbo yekutsigira.

Schematic dhayagiramu yedhaimondi-yakaita seyakamonereka inomonereka tsono inotenderera

Naizvozvo, maitiro ekumonereka anogona kukamurwa kuita segmental mhepo ine OB, OC, OD, OE, OF, OG seradius, uye inongoda kuongorora shanduko yekumhanya kwemutsara mumakona manomwe ari pakati pe θ0, θ1, θ2, θ3, θ4, θ5, θ6, uye θ7, kuti tinyatso kutsanangura ma cyclic kutenderera kwetsono inomonereka.

Schematic diagram yemakona akasiyana ekutenderera tsono

Kubva pahukama hwe trigonometric, hukama hunoenderana hunogona kutorwa.

Kubva pane equation iri pamusoro, zviri nyore kuona kuti kana tsono inomonereka ichinge yakuvadzwa painogara angular velocity, iyo linear velocity yekumonereka uye kona inoumbwa pakati peinotsigira poindi yetsono uye yakanaka uye yakaipa danda zvidimbu uye diaphragm zviri. muchikamu chebasa rehukama. Hukama hwemufananidzo pakati pezviviri izvi hunoteedzerwa naMatlab sezvinotevera:

Shanduko dzekumhanya kwemhepo pamakona akasiyana

Zviripachena zviripachena kuti reshiyo yehupamhi mutsara velocity kune yakaderera linear velocity mumhepo inomonereka yeyakadzika dhaimani-yakaita tsono mumufananidzo inogona kudarika kagumi. Shanduko yakakura kudaro mukumhanya kwemutsara ichaunza shanduko huru mukukakavadzana kweakanaka uye asina kunaka maelectrode uye diaphragm, inova ndiyo honzeri huru yekuchinja-chinja kwemhepo kunetsana. Kuwedzeredza tension kuchinjika kunogona kutungamira kune diaphragm kutatamuka panguva yekumonereka kwemhepo, diaphragm shrinkage mushure mekumonereka, uye diki dhizaini nzvimbo pamakona mukati mepakati mushure mekutsikirira kwepakati. Mukuita kwekuchaja, kuwedzera kwechidimbu chedanda kunokonzera kushushikana munzira yehupamhi hwepakati haina kudzika, zvichikonzera nguva yekukotama, zvichikonzera kukanganisa kwechidimbu chedanda, uye bhatiri rethium rakagadzirirwa rinopedzisira raonekwa "S. "deformation.

CT mufananidzo uye disassembly dhizaini ye "S" yakakanganiswa musimboti

Parizvino, kuti ugadzirise dambudziko rehurombo core quality (kunyanya deformation) inokonzerwa nechimiro chetsono inomonereka, nzira mbiri dzinowanzo shandiswa: kuchinjika tension mhepo uye kuchinjika kumhanyisa mhepo.

1. Variable tension winding: Tora cylindrical bhatiri semuenzaniso, pasi penguva dzose angular velocity, mutsara wemutsara unowedzera nehuwandu hwemapeji emhepo, izvo zvinotungamirira kukwira kwekunetseka. Variable tension winding, ndiko kuti, kuburikidza ne-tension control system, kuitira kuti kushushikana kunoshandiswa kune chidimbu chedanda kana diaphragm nekuwedzera kwenhamba yezvikamu zvekupetera uye kuderedzwa kwemutsara, kuitira kuti kana iri nguva yekugara ichitenderera, asi ichiri kukwanisa. ita kuti mhepo yose iite mhepo yekutambudzika zvakanyanya sezvinobvira kuchengetedza nguva dzose. Huwandu hukuru hwekusiyana-siyana hwekuyedza mhepo dzekuyedza kwakatungamira kune zvinotevera mhedziso:
a. Iyo idiki iyo inomonereka tension, zviri nani kuvandudza maitiro pane core deformation.
b. Munguva yenguva dzose yekumhanyisa mhepo, sezvo dhayamita yepakati ichiwedzera, kushushikana kunodzikira zvakatevedzana nenjodzi yakaderera ye deformation pane kugara kuine tension winding.
2. Variable speed winding: Tora sikweya sero semuenzaniso, sandara yakaita sedhaimani inomonereka tsono inowanzo shandiswa. Kana tsono yakuvadzwa nekumhanya kweakona, mutsara wekumhanya unochinja zvakanyanya, zvichikonzera misiyano mikuru yepakati pepakati pamakona epakati. Panguva ino, kudiwa kwekumhanya kwemutsara kunoshandura reverse kuderedzwa kwemutemo wekuchinja kwekutenderera kumhanya, ndiko kuti, mhepo yekutenderera yekutenderera nekuchinja kwekona uye shanduko, kuitira kuti uone maitiro ekuita mamhepo ekuchinja kwemutsara sediki. sezvinobvira, kuitira kuti ive nechokwadi chekuti tension inoshanduka muhuwandu hwediki amplitude kukosha.

Muchidimbu, chimiro chetsono inomonereka inogona kukanganisa flatness ye pole nzeve (musimboti goho uye magetsi kuita), mhepo kumhanya (productivity), musimboti wemukati kushushikana kufanana (kuonekwa deformation matambudziko) zvichingodaro. Kune mabhatiri ecylindrical, tsono dzakatenderera dzinowanzoshandiswa; kune mabhatiri emakona, elliptical kana flat rhombic tsono dzinowanzo shandiswa (mune dzimwe nguva, tsono dzakatenderera dzinogonawo kushandiswa kumhepo uye kudzikamisa musimboti kuita sikweya core). Mukuwedzera, nhamba huru ye data yekuedza inoratidza kuti hutano hwemakorosi hunoita zvakakosha pakuita kwe electrochemical uye kuchengetedza kushanda kwebheteri yekupedzisira.

Zvichienderana neizvi, takagadzirisa zvimwe zvinonetsa uye zvidziviriro mukugadzirisa mabhatiri e-lithium, netarisiro yekudzivisa kusashanda zvisina kunaka mukuita mhepo yemhepo zvakanyanya sezvinobvira, kuitira kuti tigadzire mabhatiri e-lithium anoenderana nezvinodiwa zvemhando.

Kuti utarise hurema hwepakati, musimboti unogona kunyudzwa muAB glue epoxy resin yekurapa, uye ipapo muchinjiko-chikamu unogona kutemwa nekukwenenzverwa nejecha. Zvakanakisisa kutarisa sampuli dzakagadzirirwa pasi pe microscope kana kuongorora electron microscope, kuitira kuti uwane mukati mepu yehurema hwepakati.

Mepu yakakanganisika yemukati yepakati
(a) Mufananidzo unoratidza hunhu hwakakodzera husina hurema huri pachena hwemukati.
(b) Mumufananidzo, chidimbu chedanda chiri pachena chakamonyoroka uye chakaremara, chinogona kunge chine hukama nemhepo inovhuvhuta, kukakavara kwakakura kwazvo kuti kukonzerese kuti chidimbu cheke makwinya, uye rudzi urwu rwehurema huchaita kuti bhatiri interface iparare uye lithium. kunaya kwemvura, izvo zvinozokanganisa kushanda kwebhatiri.
(c) Pane chinhu chekunze pakati pe electrode uye diaphragm mumufananidzo. Kuremara uku kunogona kutungamira mukuzvibvisa kwakakomba uye kukonzeresa matambudziko ekuchengetedza, asi kazhinji kunogona kuonekwa muHi-pot bvunzo.
(d) Iyo electrode mumufananidzo ine yakashata uye yakanaka defect pattern, iyo inogona kutungamirira kune yakaderera simba kana lithium precipitation.
(e) Iyo electrode mumufananidzo ine guruva rakasanganiswa mukati, izvo zvinogona kutungamira kuwedzera kuzviburitsa kwebhatiri.

Pamusoro pezvo, kukanganisa mukati memukati kunogonawo kuratidzwa nekusakanganisa kuyedzwa, senge inowanzoshandiswa X-ray uye CT kuyedzwa. Iyi inotevera sumo pfupi kune zvimwe zvakajairika core process defects:

1. Kuvharwa kwakashata kwechigamba chemapuranga: chidimbu chepori yemunharaunda hachina kuvharwa zvakakwana nechakanaka chepfu, iyo inogona kutungamirira kubhatiri deformation uye lithium precipitation, zvichiita kuti kuve nengozi dzekuchengetedza.

2. Deformation of pole piece: the pole piece is deformed by extrusion, iyo inogona kukonzeresa yemukati short circuit uye inounza matambudziko akakomba ekuchengetedza.

Zvakakodzera kuti titaure kuti muna 2017, iyo sensational samsung note7 cell phone kuputika kesi, mhedzisiro yekuferefeta inokonzerwa neiyo negative electrode mukati mebhatiri inosvinwa kuti ikonzere mukati mepfupi wedunhu, nekudaro zvichiita kuti bhatiri riputika, tsaona yakakonzera samsung zvemagetsi. kurasikirwa kweanodarika mabhiriyoni matanhatu emadhora.

3. Metal kunze kwenyika: simbi yekunze nyaya ndeyekuita kwe lithium-ion bhatiri killer, inogona kubva kune paste, midziyo kana nharaunda. Zvimedu zvakakura zvesimbi yekune dzimwe nyika zvinogona kukonzera zvakananga kupfupika kwemuviri, uye kana simbi yekunze yakasanganiswa mune yakanaka electrode, inozoiswa oxidized uye yozoiswa pamusoro peiyo negative electrode, ichibaya diaphragm, uye pakupedzisira ichikonzera mukati. pfupi pfupi mubhatiri, izvo zvinounza njodzi yakakomba yekuchengetedza. Inowanikwa simbi yekunze zvinhu ndeye Fe, Cu, Zn, Sn zvichingodaro.

Lithium bhatiri mhepo inotenderedza muchina inoshandiswa kupeta lithium bhatiri maseru, inova mhando yemidziyo yekuunganidza yakanaka electrode sheet, negative electrode sheet uye diaphragm mune core pack (JR: JellyRoll) nekutenderera kutenderera. Midziyo yekugadzira mhepo yemukati yakatanga muna 2006, kubva ku semi-otomatiki kutenderera, semi-otomatiki square mhepo, otomatiki kugadzirwa kwemafirimu, uyezve yakagadziridzwa kuita yakasanganiswa otomatiki, firimu mhepo yemuchina, laser kufa-yekucheka mhepo yemuchina, anode inoenderera mberi mhepo mhepo, diaphragm inoenderera mhepo. muchina, zvichingodaro.

Pano, isu tinonyanya kukurudzira Yixinfeng Laser kufa-kucheka mhepo uye kusunda sandara muchina. Muchina uyu unosanganisa advanced laser kufa-yekucheka tekinoroji, inobudirira mhepo dhizaini uye chaiyo yekusundidzira basa, inogona kuvandudza zvakanyanya kugadzirwa kwakanaka uye kunaka kwe lithium bhatiri. Iine zvinotevera zvakakosha zvakanakira:


1. Yakanyanya-chaiyo kufa-kucheka: Iva nechokwadi chehukuru chaihwo hwedanda chidimbu uye diaphragm, kuderedza kusvibiswa kwezvinhu uye kugadzirisa kuwirirana kwebhatiri.
2. Yakagadzikana mhepo: Optimized winding mechanism uye hurongwa hwekugadzirisa hunoita kuti huve hwakasimba uye hwakagadzikana hukuru hwehutano, hunoderedza kupikisa kwemukati uye hunovandudza kushanda kwebheteri.
3. High-efficiency leveling: Yakasiyana-siyana yekugadzira dhizaini inoita kuti pamusoro pemacores flat, inoderedza kusagadzikana kwemukati kusagadzikana, uye inowedzera hupenyu hwebhatiri.
4. Intelligent control: Yakashongedzerwa nepamusoro-soro yekubatana kwevanhu-kombuta, inoona yakarurama parameter setting uye chaiyo-nguva yekutarisa, kushanda nyore uye nyore kugadzirisa.
5. Yakasiyana-siyana yekuenderana: inogonawo kuita 18, 21, 32, 46, 50, 60 mhando dzose dzemasero ebheteri, kuzadzisa zvido zvako zvakasiyana-siyana zvekugadzira.

Lithium - Ion Battery Equipment
Sarudza Yixinfeng laser kufa-kucheka, mhepo uye kusunda muchina kuunza yakakwirira mhando uye kunyatsoshanda kune yako lithium bhatiri kugadzirwa!