Lithium Battery Winding Machine: Mfundo, Njira Zofunika Kwambiri ndi Malangizo Owongolera Ubwino

Popanga mabatire a lithiamu-ion, nthawi zambiri pamakhala njira zingapo zogawanitsa. Njirayi imatha kugawidwa m'njira zitatu zazikulu: kupanga ma elekitirodi, njira yolumikizirana ndi kuyezetsa ma cell (monga momwe zasonyezedwera pachithunzichi), palinso makampani omwe amawagawa m'njira zowongoka ndi kuthamangitsa pambuyo, ndipo gawo loyikirali ndi njira yokhotakhota. Chifukwa cha ntchito zake zamphamvu kusakanikirana, akhoza kupanga mawonekedwe batire koyamba akamaumba, kotero mapiringidzo ndondomeko mu lifiyamu-ion batire kupanga monga gawo lofunika kwambiri, ndiye chinsinsi, ndondomeko yokhotakhota opangidwa ndi pachimake adagulung'undisa nthawi zambiri amatchedwa anabala. cell cell (Jelly-Roll, yotchedwa JR).

Lithium-ion Battery Manufacturing Process
Pakupanga batire ya lithiamu-ion, njira yokhotakhota pachimake ikuwonetsedwa motere. Ntchito yeniyeni ndikugubuduza chidutswa chabwino, chidutswa choyipa ndi filimu yodzipatula pamodzi kudzera pamakina a singano yamakina, ndipo zidutswa zoyandikana nazo zabwino ndi zoyipa zimasiyanitsidwa ndi filimu yodzipatula kuti tipewe kuzungulira. Kumapetoko kukatha, pachimakecho chimayikidwa ndi mapepala otsekera kuti ateteze pachimake kuti asagwe, ndiyeno amapita ku njira ina. Pochita izi, chinsinsi ndikuwonetsetsa kuti palibe kukhudzana kwakuthupi pakati pa ma elekitirodi abwino ndi olakwika, komanso kuti pepala loyipa la elekitirodi limatha kuphimba pepala labwino la elekitirodi kumbali zonse zopingasa komanso zowongoka.

Chithunzi chojambula cha njira yokhotakhota
M'kati mwa mapindikidwe a pachimake, nthawi zambiri zikhomo ziwiri zimamangirira zigawo ziwiri za diaphragm kuti zikhomerere, ndiyeno zimadyetsa gawo lokhalo kapena loyipa motsatizana, ndipo chidutswacho chimakanikizidwa pakati pa zigawo ziwiri za diaphragm kuti zipirire. Mukuya kwakutalika kwapakatikati, diaphragm imaposa diaphragm yoyipa, ndipo diaphragm yoyipa imapitilira diaphragm yabwino, kuti mupewe kulumikizana kwafupipafupi pakati pa ma diaphragm abwino ndi olakwika.

Chithunzi chojambula cha singano yokhotakhota diaphragm

Zojambula zakuthupi zamakina omangirira okha

Makina opukutira ndi chida chofunikira kwambiri pozindikira njira yopititsira patsogolo. Ponena za chithunzi pamwambapa, zigawo zake zazikulu ndi ntchito zake ndi izi:

1. Dongosolo loperekera zidutswa za pole: perekani zidutswa zabwino ndi zoyipa motsatira njanji yolondolera ku zigawo ziwiri za diaphragm pakati pa mbali ya AA ndi mbali ya BB motsatana kuti zitsimikizire kupezeka kokhazikika kwa zidutswa zamitengo.
2. Dongosolo lotsegulira ma diaphragm: Zimaphatikizapo ma diaphragms apamwamba ndi apansi kuti azindikire kupezeka kwa ma diaphragms ku singano yokhotakhota.
3. Dongosolo lowongolera kupsinjika: kuwongolera kupsinjika kosalekeza kwa diaphragm panthawi yokhotakhota.
4. Dongosolo lotsekera ndi gluing: kwa gluing ndi kukonza ma cores pambuyo popiringa.
5. Kutsitsa makina otumizira: Tsegulani zokha zitsulo kuchokera ku singano ndikuzigwetsa pa lamba wonyamulira.
6. Kusinthana kwa phazi: Ngati palibe vuto, pondani posinthira phazi kuti muwongolere momwe mafunde amayendera.
7. Mawonekedwe ogwirizana ndi makompyuta a anthu: ndi makonzedwe a parameter, kukonza zolakwika pamanja, ma alarm ndi ntchito zina.

Kuchokera pazomwe tafotokozazi za ndondomeko yokhotakhota, zikhoza kuwoneka kuti kupukuta kwapakati pamagetsi kumakhala ndi maulalo awiri osalephereka: kukankhira singano ndi kukoka singano.
Kankhani singano ndondomeko: mipukutu iwiri ya singano imafalikira pansi pa kukankhira silinda ya singano, kupyola mbali zonse za diaphragm, mipukutu iwiri ya singano yopangidwa ndi kuphatikiza kwa silinda ya singano yomwe imayikidwa mu manja, mipukutu ya singano. pafupi ndi kutsekereza diaphragm, nthawi yomweyo, mipukutu iwiri ya singano imaphatikizana kuti ipange mawonekedwe ofananira, monga pachimake popiringitsa pachimake.

Chithunzi chojambula cha njira yokankhira singano

Kupopera kwa singano: kumalizidwa komaliza, singano ziwirizo zimachotsedwa pansi pa singano yopopera singano, silinda ya singano imachotsedwa pamanja, mpira mu chipangizo cha singano umatseka singano pansi pa kasupe, ndipo singano ziwirizo zimasonkhanitsidwa mbali zosiyana, ndipo kukula kwa mapeto aulere a singano kumachepetsedwa kuti apange kusiyana pakati pa singano ndi pachimake chamkati chamkati, ndipo ndi singano yomwe imachotsedwa pamanja ndi manja osungira, singano ndi singano. pachimake chikhoza kulekanitsidwa bwino.

Chithunzi chojambula cha ndondomeko yochotsa singano

"Singano" pokankhira ndikutulutsa singano pamwambapa imatanthawuza singano, yomwe, monga gawo lalikulu la makina othamanga, imakhudza kwambiri kuthamanga kwa mphepo ndi khalidwe lachikatikati. Pakalipano, makina ambiri okhotakhota amagwiritsa ntchito singano zozungulira, zozungulira komanso zosalala ngati diamondi. Pakuti kuzungulira ndi chowulungika singano, chifukwa cha kukhalapo kwa arc inayake, zidzachititsa mapindikidwe mzati khutu pachimake, mu ndondomeko wotsatira wa pachimake kukanikiza, komanso zosavuta chifukwa makwinya mkati ndi mapindikidwe pachimake. Ponena za singano zamtundu wa diamondi, chifukwa cha kusiyana kwakukulu pakati pa nkhwangwa zazitali ndi zazifupi, kukangana kwa chidutswa ndi diaphragm kumasiyana kwambiri, zomwe zimafuna kuti galimoto yoyendetsa galimoto ikhale yothamanga pa liwiro losiyana, zomwe zimapangitsa kuti ntchitoyi ikhale yovuta kulamulira, ndipo liwiro lokhotakhota nthawi zambiri limakhala lotsika.

Chithunzi chojambula cha singano zomangirira wamba

Tengani singano yovuta kwambiri komanso yodziwika bwino yamtundu wa diamondi mwachitsanzo, ikamazungulira ndikuzungulira, zidutswa zabwino ndi zoyipa zamitengo ndi diaphragm nthawi zonse zimakulungidwa pamakona asanu ndi limodzi a B, C, D, E, F. ndi G monga nsonga yothandizira.

Chithunzi chozungulira cha singano yozungulira ngati diamondi

Chifukwa chake, njira yokhotakhota imatha kugawidwa m'magawo ang'onoang'ono okhala ndi OB, OC, OD, OE, OF, OG ngati utali wozungulira, ndipo amangofunika kusanthula kusintha kwa liwiro la mzere mumayendedwe asanu ndi awiri apakati pakati pa θ0, θ1, θ2, θ3, θ4, θ5, θ6, ndi θ7, kuti tifotokoze mochulukirachulukira kasinthasintha wa singano yokhotakhota.

Chithunzi chojambula cha ngodya zosiyanasiyana za kuzungulira kwa singano

Kutengera ubale wa trigonometric, mgwirizano wofananira ukhoza kutengedwa.

Kuchokera pa equation yomwe ili pamwambayi, n'zosavuta kuona kuti pamene singano yokhotakhota ikuphwanyidwa pa liwiro lokhazikika, kuthamanga kwa mzere wokhotakhota ndi ngodya yomwe imapangidwa pakati pa nsonga yothandizira ya singano ndi zidutswa zabwino ndi zoipa ndi diaphragm. mu mgwirizano wamagulu awiri. Ubale wazithunzi pakati pa awiriwa umayerekezedwa ndi Matlab motere:

Kusintha kwa liwiro lopiringa pamakona osiyanasiyana

Ndizodziwikiratu kuti chiŵerengero cha liwiro lapamwamba kwambiri la liwiro laling'ono laling'ono pang'onopang'ono mumayendedwe okhotakhota a singano yamtundu wa diamondi mu chiwerengerocho chikhoza kupitirira nthawi 10. Kusintha kwakukulu kotereku kwa liwiro la mzere kudzabweretsa kusinthasintha kwakukulu pakukakamira kwa ma elekitirodi abwino ndi oyipa ndi diaphragm, chomwe ndi chomwe chimayambitsa kusinthasintha kwa kugwedezeka kwamphamvu. Kusinthasintha kwamphamvu kopitilira muyeso kumatha kupangitsa kuti diaphragm itambasuke panthawi yokhotakhota, kufota kwa diaphragm pambuyo popiringa, ndi katalikirana kakang'ono pamakona mkati mwapakati pambuyo pa kukanikiza pakati. Pakuthamangitsa, kukulitsa kwa mtengowo kumayambitsa kupsinjika komwe kumayang'ana m'lifupi mwake pachimake sikukhazikika, zomwe zimapangitsa mphindi yopindika, zomwe zimapangitsa kupotoza kwa mtengowo, ndipo batire ya lifiyamu yokonzeka pamapeto pake imawonekera "S. "deformation.

Chithunzi cha CT ndi disassembly chithunzi cha "S" yopunduka pachimake

Pakalipano, pofuna kuthetsa vuto la khalidwe losauka (makamaka kupunduka) komwe kumachitika chifukwa cha mawonekedwe a singano yokhotakhota, njira ziwiri zimagwiritsidwa ntchito: kusinthasintha kwapakati komanso kuthamanga kwachangu.

1. Kuthamanga kwamphamvu kosinthika: Tengani batri ya cylindrical mwachitsanzo, pansi pa liwiro lokhazikika la angular, kuthamanga kwa mzere kumawonjezeka ndi kuchuluka kwa zigawo zokhotakhota, zomwe zimabweretsa kukwera kwa mikangano. Variable mavuto mapiringidzo, ndiye, kudzera dongosolo mavuto kulamulira, kuti mavuto ntchito mzati chidutswa kapena diaphragm ndi kuwonjezeka kwa chiwerengero cha zigawo zokhotakhota ndi kuchepetsa liniya, kuti mu nkhani ya nthawi zonse kasinthasintha liwiro, koma angathe. pangani njira yonse yokhotakhota yazovuta momwe mungathere kuti mukhalebe wokhazikika. Kuyesedwa kosiyanasiyana kopitilira muyeso kosiyanasiyana kwapangitsa kuti pakhale zotsatirazi:
a. Zing'onozing'ono zokhotakhota, zimakhala bwino kuti pakhale kusintha kwapakati.
b. Pakuthamanga kothamanga kosalekeza, pamene m'mimba mwake ukuwonjezeka, kukangana kumachepa mofanana ndi chiopsezo chochepa cha kupunduka kusiyana ndi kumangokhalira kumangirira.
2. Kuthamanga kothamanga kosinthasintha: Tengani selo lalikulu mwachitsanzo, singano yokhotakhota yooneka ngati diamondi nthawi zambiri imagwiritsidwa ntchito. Singano ikavulala pa liwiro lokhazikika, liwiro la liniya limasinthasintha kwambiri, zomwe zimapangitsa kuti pakhale kusiyana kwakukulu kwa katayanitsidwe kosanjikiza pamakona a pachimake. Panthawi imeneyi, kufunika kwa liniya liwiro kusintha n'zosiyana kuchotsera lamulo la kusintha liwiro rotational, ndiye mapiringidzo a rotational liwiro ndi kusintha ngodya ndi kusintha, kuti azindikire mapiringidzo ndondomeko liniya liwiro kusinthasintha ngati yaing'ono. ngati n'kotheka, kuti kuonetsetsa kuti mavuto kusinthasintha osiyanasiyana ang'onoang'ono matalikidwe mtengo.

Mwachidule, mawonekedwe a singano yokhotakhota angakhudze flatness wa mzati khutu (pachimake zokolola ndi ntchito magetsi), mapiringidzo liwiro (zokolola), pachimake kupsyinjika mkati yunifolomu (mawonekedwe deformation mavuto) ndi zina zotero. Kwa mabatire a cylindrical, singano zozungulira zimagwiritsidwa ntchito; kwa mabatire a square, elliptical kapena flat rhombic singano nthawi zambiri amagwiritsidwa ntchito (nthawi zina, singano zozungulira zimatha kugwiritsidwanso ntchito ku mphepo ndi kuphwanyitsa pachimake kuti apange pakati). Kuonjezera apo, deta yochuluka yoyesera imasonyeza kuti ubwino wa ma cores uli ndi mphamvu yofunikira pa ntchito ya electrochemical ndi chitetezo cha batri yomaliza.

Kutengera izi, takonza zodetsa nkhawa zazikulu komanso zodzitetezera pakutha kwa mabatire a lifiyamu, ndikuyembekeza kupeŵa ntchito zosayenera mumayendedwe okhotakhota momwe tingathere, kuti tipange mabatire a lithiamu omwe amakwaniritsa zofunikira.

Kuti muwone zolakwika zazikuluzikulu, pachimake chingathe kumizidwa mu AB glue epoxy resin kuti muchiritsidwe, ndiyeno mtandawo ukhoza kudulidwa ndikupukutidwa ndi sandpaper. Ndi bwino kuyang'ana zitsanzo zomwe zakonzedwa pansi pa maikulosikopu kapena microscope ya electron, kuti mupeze mapu olakwika a mkati.

Mapu olakwika amkati apakati
(a) Chithunzicho chikuwonetsa pachimake choyenerera popanda cholakwika chilichonse chamkati.
(b) Pachithunzichi, chidutswa cha mzaticho mwachiwonekere chopotoka ndi kupunduka, chomwe chingakhale chokhudzana ndi kugwedezeka kwa mphepo, kugwedezeka kwake kumakhala kwakukulu kwambiri kuti kupangitse makwinya amtengowo, ndipo kuwonongeka kwamtunduwu kumapangitsa kuti mawonekedwe a batri awonongeke komanso lifiyamu. mpweya, zomwe zingasokoneze kugwira ntchito kwa batri.
(c) Pali chinthu chachilendo pakati pa electrode ndi diaphragm pachithunzichi. Vutoli litha kupangitsa kuti munthu adzitaya kwambiri komanso kubweretsa zovuta zachitetezo, koma nthawi zambiri amatha kuzindikirika pakuyesa kwa Hi-pot.
(d) Elekitirodi pachithunzicho ili ndi mawonekedwe olakwika komanso abwino, omwe angayambitse kutsika kapena kutsika kwa lithiamu.
(e) Elekitirodi pachithunzicho ili ndi fumbi losakanizika mkati, zomwe zingapangitse kuti batire ichuluke.

Kuphatikiza apo, zolakwika mkati mwa pachimake zimathanso kudziwika ndi kuyesa kosawononga, monga kuyesa kwa X-ray ndi CT. Nawa mawu oyamba achidule a zolakwika zina zomwe zimachitika pakanthawi kochepa:

1. Kusaphimba bwino kwa chidutswa chamtengo: Chidutswa choyipa cha m'deralo sichinaphimbidwe kwathunthu ndi chidutswa chabwino, chomwe chingayambitse kusinthika kwa batri ndi mpweya wa lithiamu, zomwe zimapangitsa kuti pakhale ngozi zachitetezo.

2. Kusinthika kwa chidutswa chamtengo: chidutswacho chimapunduka ndi extrusion, chomwe chingayambitse dera lalifupi lamkati ndikubweretsa zovuta zazikulu zachitetezo.

Ndikoyenera kutchula kuti mu 2017, mlandu wophulika wa foni yam'manja ya samsung note 7, zotsatira zake zofufuzira ndi chifukwa cha electrode yoyipa mkati mwa batire imakanikizidwa kuti ipangitse kafupipafupi mkati, motero kupangitsa kuti batire liphulike, ngoziyo idayambitsa magetsi a samsung. kutaya ndalama zoposa 6 biliyoni.

3. Zitsulo zachilendo zakunja: zitsulo zakunja zachitsulo ndi ntchito ya lithiamu-ion batire wakupha, ikhoza kubwera kuchokera ku phala, zida kapena chilengedwe. Tinthu tating'ono ting'onoting'ono tazinthu zakunja zachitsulo zimatha kuyambitsa kufupika kwa thupi, ndipo zinthu zakunja zachitsulo zikasakanizidwa mu electrode yabwino, zimakutidwa ndi oxidized kenako zimayikidwa pamwamba pa electrode yoyipa, kuboola diaphragm, ndipo pamapeto pake kuchititsa mkati. Kuzungulira kwafupipafupi mu batri, zomwe zimabweretsa chiopsezo chachikulu cha chitetezo. Wamba zitsulo zinthu zakunja Fe, Cu, Zn, Sn ndi zina zotero.

Lithium batire yokhotakhota makina ntchito yokhotakhota lithiamu batire maselo, amene ndi mtundu wa zipangizo kusonkhanitsa zabwino elekitirodi pepala, negative elekitirodi pepala ndi diaphragm mu paketi pachimake (JR: JellyRoll) ndi mosalekeza kasinthasintha. Zida zopangira zopangira zam'nyumba zidayamba mu 2006, kuchokera ku semi-automatic round, theka-automatic square windings, makina opanga mafilimu, kenako amapangidwa kukhala makina ophatikizika, makina opangira filimu, makina opukutira a laser, anode mosalekeza makina okhotakhota, ma diaphragm mosalekeza. makina, ndi zina zotero.

Apa, ife makamaka amalangiza Yixinfeng laser kufa-kudula mapindikidwe ndi kukankhira lathyathyathya makina. Makinawa amaphatikiza ukadaulo wodulira laser wapamwamba kwambiri, njira yokhotakhota bwino komanso ntchito yolondola yokankhira, yomwe imatha kusintha kwambiri magwiridwe antchito komanso mtundu wa batire ya lithiamu. Ili ndi ubwino wotsatirawu:


1. Kudula-kufa kolondola kwambiri: Onetsetsani kukula kwake kwamtengo ndi diaphragm, kuchepetsa zinyalala zakuthupi ndikuwongolera kugwirizana kwa batri.
2. Mapiritsi osasunthika: Makina owongolera owongolera ndi makina owongolera amatsimikizira mawonekedwe olimba komanso okhazikika, amachepetsa kukana kwamkati ndikuwongolera magwiridwe antchito a batri.
3. Kuchita bwino kwambiri: Kupanga kwapadera kwapadera kumapangitsa kuti pamwamba pazitsulo zikhale zosalala, zimachepetsa kupanikizika kwapakati, ndikutalikitsa moyo wa batri.
4. Kuwongolera mwanzeru: Wokhala ndi mawonekedwe apamwamba olumikizana ndi makompyuta a anthu, amazindikira kukhazikika kolondola kwa magawo ndi kuyang'anira nthawi yeniyeni, kugwira ntchito kosavuta komanso kukonza kosavuta.
5. Kusiyanasiyana kosiyanasiyana: kungathenso 18, 21, 32, 46, 50, 60 mitundu yonse ya maselo a batri, kukwaniritsa zosowa zanu zosiyanasiyana zopanga.

Lithium - Zida za Batri ya Ion
Sankhani Yixinfeng laser kufa-kudula, zokhotakhota ndi kukankha makina kubweretsa apamwamba ndi dzuwa kwa lifiyamu batire kupanga wanu!