Ipulasitiki zisetshenziswa kabanzi ezimbonini ezahlukene. Njengemishini yokukhiqiza amapulasitiki, isenzo sokucubungula se umjovo udini umshini ngokuvamile kuba noshintsho kungazelelwe ngesivinini, kusetshenziswa ukusetha okuzinzile kokulungisa umsindo wethunzi, njengeglue yomjovo, isihlalo nokunye, ezidinga ukusebenza kahle kwesivinini esiguquguqukayo, kodwa umshini wokubumba umjovo wendabuko uncike ngokuphelele kumodi yokulawula ye-hydraulic electromagnet, kanti i-hardware nesekethe kuyinkimbinkimbi. Imingcele efana nokucindezela komjovo ayikwazi ukufaniswa ngokuphumelelayo nangesikhathi, ngakho-ke kunzima ukulungisa uhlelo uma kwenzeka ukwehluleka. Ngokusetshenziswa okuhlukahlukene kwesidingo semikhiqizo eqediwe yepulasitiki empilweni yanamuhla, ukulawulwa kokukhiqizwa komshini wokubumba umjovo kudinga ukulungiswa ngokushesha ngokuqondisa. Ukuxhumeka kwesistimu yokulawula yomshini wokubumba umjovo wendabuko kuyinkimbinkimbi (1), okuyinto engalungile futhi evumelana nezimo, futhi ayikwazi ukuhlangabezana nezidingo zokukhiqiza zezinhlobo eziningi zemikhiqizo. Isiguquli sefrikhwensi singalungisa imvamisa ngokuguquguquka futhi sibone ukulawula okuguquguqukayo kwesivinini. Ngokusekelwe emikhawulweni yokulawula isivinini semishini yokubumba umjovo wendabuko, ingxenye yomshini wokubumba umjovo odinga isivinini esiguquguqukayo esivamile ingashintshwa ibe ukuguqulwa kwemvamisa (2), engakwazi ukubona ukulungiswa kwesimo esiguqukayo esisheshayo sobuchwepheshe bezimboni, futhi wonge ngempumelelo amandla, kuyilapho ukwethulwa kohlelo lokulawula ukucushwa kungenza isilawuli sibe enembile futhi siguquguquke.
1 Uhlelo jikelele lohlelo
Umsebenzi oyinhloko we umjovo udini umshini wukushisa, jova futhi wenze izinto zokusetshenziswa. (3) ubuchwepheshe bokubumba umjovo (3) ikakhulukazi inezici ezilandelayo: ukuvala isikhunta, umjovo wesihlalo, umjovo glue, ukuhoxiswa kwesihlalo, ukuvulwa kwesikhunta, njll., lapho izigaba ezine zokuvala isikhunta, ukungena esihlalweni, ukuhoxiswa kwesihlalo, umjovo weglue nokuvulwa kwesikhunta kunomehluko phakathi kwejubane eliphezulu nejubane eliphansi, kanye nenqubo ethile yokusebenza yenqubo iboniswa emfanekisweni 1.
Uhlelo lokulawula lwamukela isixhumi esibonakalayo somshini i-HMI esekelwe kusofthiwe ye-MCGSE.
Isilawuli samukela i-PLC, futhi i-peripheral ye-PLC ifakwe okokufaka kohlobo lokucisha kanye nokuphumayo kohlobo lomabi. Ukunyakaza okune kokuvala isikhunta, umjovo wepulasitiki, ukungena kwesihlalo nesihlalo emuva, nokuvulwa kwesikhunta kuyadingeka ukuze ushintshe isivinini. I-electromagnetic isebenzisa isishintshi semvamisa ukwenza, ezinye izingxenye zayo zisasebenzisa isistimu yokulawula i-valve esebenza ngogesi, ngokusebenzisa i-valve ye-electromagnetism, i-relay ephakathi iye yaqaphela umshini wokubumba umjovo okunye ukulawula kwezobuchwepheshe, ngokusekelwe ekushintsheni kwemvamisa kanye nohlelo lokulawula ukucushwa kwe-PLC njengoba kukhonjisiwe kuMfanekiso 2.
2 Idizayini yesistimu
Uhlelo lokulawula lwamukela imikhiqizo ye-PLC evamile ye-Mitsubishi Corporation
I-FX3U-32MR / A, 16 okokufaka / 16 okukhiphayo, ukuze wenze uhlelo lokulawula lube lula, ngaphezu kwezinkinobho ezine zehadiwe zokwabiwa okujwayelekile kwekheli lokufaka le-PLC, kusofthiwe yokumisa ye-MCGSE iphinde yabela ingxenye engu-M ikheli, ukuze ulungise isilawuli esibonakalayo. Isistimu yokulawula umshini wokubumba umjovo we-PLC ohlangothini lokokufaka lwangaphandle, Umdwebo wokusabalalisa izintambo ohlangothini oluphumayo njengoba kukhonjisiwe kuMfanekiso 4.
Umshini wokubumba umjovo wokubumba umshini wokuhlanganisa inqubo yokulawula imvamisa, ukuvulwa kwesikhunta, ukudla kwesihlalo, umjovo weglue olandelayo
Isignali kagesi ixhunywe kusiginali yokuqala yokuzungezisa phambili yesiguquli sefrikhwensi, amasignali e-clamping ne-backing relay axhunywe kusignali yokuqala ehlehlayo yesiguquli sefrikhwensi, futhi ubudlelwano obuhambisanayo phakathi kwesiginali yokudlulisela yangaphandle kanye nesignali yokuzungeza enhle nebi yesiguquli sefrikhwensi iboniswa Emdwebeni. 5.
2.2 Imibono yokuklama imvamisa eguquguqukayo yomshini wokubumba umjovo
Umshini wokubumba umjovo inqubo ehlukene idinga ingcindezi nesivinini esihlukile, ngokwezidingo zenqubo yemishini, ingxenye ye-inverter yemibono yokuklama imi kanje:
(1) I-clamping yesikhunta sokuqala idinga ukubamba isikhunta ngokushesha, inqubo idinga ingcindezi enkulu, isimiso sokusebenza somshini wokubumba umjovo singabonakala ukuthi ingcindezi yomjovo ilingana nesivinini semoto. Kusukela kufomula yesivinini sokuguqula imvamisa, isivinini kanye nemvamisa ibe isilinganiso esihle, ngakho-ke imvamisa yokuqala yokubopha kufanele isebenzise ifrikhwensi enkulu, setha ku-45Hz, ukuze kuncishiswe umthelela, i-clamping ephuzile, leyo, inqubo yokubamba kancane idinga isivinini esinensayo kanye nokucindezela okuncane, imvamisa ye-25Hz.
(2) Esikhathini sokuqala sesihlalo singene ohlelweni, ijubane liyashesha, imvamisa ingu-45Hz, futhi ngemva kwesikhawu se-3s, imvamisa ephansi ye-15Hz isetshenziswa ukuze kufinyelelwe ngokunembile nangokushelela endaweni.
(3) Ukuze uxazulule ukubambezeleka kwempendulo yokuguqulwa kwesigaba senqubo yomjovo, impahla yepulasitiki ibunjwa ngendlela engcono yokugeleza, Ukwenza ngcono izinga lepulasitiki, isivinini sokujova esihlukene sisetshenziswa ohlelweni lomjovo. Ijubane liyashesha esigabeni sokuqala somjovo, izinga lemvamisa li 50 Hz, kanye nesivinini esizinzile se 20 Hz kufanele isetshenziswe ngemuva 2 imizuzwana ukufeza ingcindezi yokupakisha.
(4) The seat back process is similar to the seat into, the early need for faster speed, imvamisa ingu-45Hz, the speed should be stable when the position is reached after 3s, and the frequency rate is 15Hz.
(5) After plastic molding, the mold needs a moderate speed, slightly higher pressure, and the frequency is 30Hz, followed by a slower speed and pressure, the frequency rate is 15Hz.
According to the repeated speed control requirements of the injection molding machine, the frequency converter adopts the multi-speed control mode [5], and the high-speed RH end, the medium-speed RM end, the low-speed RL end of the FR-740 frequency converter and the PLC output signal are controlled by Y14, Y15, Y16. Since the M1-M3 three motors are not running at the same time, a frequency converter can be used in common, reducing the input, R H response to P r. 4 imingcele, kanye no-M impendulo ku-Pr. 5. Amapharamitha, R L kuya ku-Pr.6 amapharamitha, imvamisa 4 ukuphindaphinda 7 ehambisana no-Pr. 24-Pr. 27, inombolo yefrikhwensi, ipharamitha, kanye ne-RH, RM, Izilungiselelo ze-RL njengoba kukhonjisiwe kuThebula 1, okungukuthi Pr.4 = 25, Isiqephu sesi-2 = 20, njalo njalo.
2.3I-PLC Programming Design Idea Yomshini Wokubumba Umjovo
Ngenxa yomkhawulo wesikhala, lesi sihloko sethula ukuhlela ngesibonelo semodi ezenzakalelayo
I-PLC Programming Design Idea yomshini wokujova wePlastiki
Umbono Wokuhlela Wemodi Ezenzakalelayo ye-SFC Yomshini Wokubumba Umjovo Wepulasitiki
Inqubo idinga imvamisa yokuqinisa esheshayo ye 45 Hz, okuhambisana nemvamisa 6 yeThebula 1, Kulesi sinyathelo somsebenzi, kuyadingeka ukuxhuma i-Y14 ne-Y15 ngesikhathi esisodwa, kuhlanganiswe neFigure 5, singabona ukuthi kuyadingeka futhi ukunikeza isignali yokuqala ye-converter yangaphambili yokuvala isikhunta. Uma uhlelo lomshini wokubumba umjovo likumodi ezenzakalelayo, umbono wokuhlela we-SFC wesistimu uboniswa kuMfanekiso 6, futhi i-M0 iyisinyathelo sokuqala. I-M1-M13 ngokulandelanayo ihambisana ne-clamping yesikhunta esisheshayo – i-ejector rod back action process, ukuze ulungise ngokuguquguqukayo inqubo yokubumba umjovo, esinyathelweni M1, isibali sikhathi se-T1 asisebenzisi i-K30 engaguquki, kodwa isebenzisa i-D2, ngokusebenzisa isixhumi esibonakalayo sokucushwa esilandelayo kungaba ukulungiswa okuguquguqukayo kwesikhathi sokubopha isikhunta esisheshayo.
Amapharamitha, uhlelo lokulawula ukucushwa lwakhiwe ngesisekelo se-inverter kanye nohlelo lokulawula lwe-PLC lomshini wokubumba umjovo, Futhi uhlelo lokulawula ukumiswa lusungulwa ngokusebenzisa isoftware yokucushwa MCGSE. Okuzenzakalelayo esibonakalayo esizenzakalelayo, Esikrinini esizenzakalelayo kungaba ngenkinobho yokushintsha ku-interface yezandla, Isibonisi esifanayo sencwajana singabuyiselwa esibonakalayo esizenzakalelayo, isikhombibe, njengokudubula inkinobho yesenzo se-glue, Imodi yokuvala esheshayo nolunye uhlobo lwedatha yokukhanya yokukhanya kohlobo lokushintsha, Yazisa ngenhlonipho ikheli le-M, Ukuze uguqule kalula ukuvala ukuvalwa okusheshayo okusheshayo, isihlalo esisheshayo ku, Isikhathi somlingiswa esisheshayo, ukusatshalaliswa kwe-D2-D4 nakho, Uhlobo lwedatha yohlobo lwezinombolo, ngesikrini ukusungula ibhokisi lokufaka ukuze uzuze ukulungiswa kwepharamitha yesayithi, Esikhundleni sokulanda kabusha uhlelo lwe-PLC, ngcono kakhulu ukuthuthukisa ukukhiqiza.
I-interface yokucushwa yemodi yokusebenza okuzenzakalelayo kanye nemodi yokuhlola okwenziwa ngesandla iboniswa kuMfanekiso 7 futhi 8. Ngemuva kokuthi iphrojekthi yokumisa isiqediwe, landa uhlelo lwe-PLC. Uhlelo alukwazi nje ukuqapha ngempumelelo isimo sokukhiqiza esisebenza kusevisi, kodwa futhi ingalungisa isikhathi esifana neglue yokudubula ngesikhathi ngokwesidingo sokukhiqizwa komkhiqizo. Ngemodi yokuhlola okwenziwa ngesandla, imishini ingalungiswa futhi icushwe kahle, okufeza inhloso yomklamo wokuqala.
Ngemuva kokwamukela uhlelo olusha lokuklama nokuguqula, i-inverter ingenza isivinini
Ukulawula kunembe kakhulu, futhi ukusetshenziswa kwesofthiwe yokumisa kungase kube nezimo eziguquguqukayo ngokuya ngezinqubo ezahlukene futhi kuhambisane nemisebenzi emisha yokukhiqiza. Uhlelo lokulawula ukucushwa kokuqondisa lungaqapha futhi lulawule amapharamitha amakhulu okukhiqiza ngesikhathi nangempumelelo, ukuze ukulawula kube enembile futhi evumelana nezimo.
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