Kev noj zaub mov ntawm cov ntsiav tshuaj hauv tsev feem ntau muab faib ua peb hom: khau raj pub mis ntawm lub tshuab stamping ib leeg, lub hli-daim phiaj pub zaub mov ntawm qhov nruab nrab-tsawg ceev rotary ntsiav tshuaj xovxwm, thiab lub zog pub mis ntawm sub -high-speed thiab high-ceev ntsiav tshuaj xovxwm. 1 Cov yam ntxwv ntawm cov khau raj-type feeding system ntawm ib lub tshuab stamping ib leeg thiab nws cov txheej txheem nias sib piv cov qauv tseem ceeb ntawm khau raj-type feeding system. Lub feeder yog khau raj-zoo li tus sab nraud, thiab yog tsav los ntawm CAM kom viav vias ntawm sab mus rau sab ntawm lub dav hlau tuag kom ua tiav qhov kev txiav txim ntawm kev pub, khawb thiab thawb.
Cov txheej txheem ua haujlwm ntawm khau raj pub mis
(a) Pub. Lub upstroke lifts, lub feeder txav mus rau lub qhov tuag, lub downstroke poob mus rau qhov tsim nyog qhov tob (kom qhov hnyav ntawm cov khoom uas muaj yog sib npaug rau qhov hnyav ntawm daim), lub feeder swings rau ntawm qhov tuag, thiab cov khoom ua rau cov khoom ntim. tuag qhov;
(b) Scraping. Lub feeder raug tshem tawm ntawm lub qhov tuag kom cov khoom nyob rau hauv lub qhov tuag nyob rau hauv txoj kab nrog rau sab sauv ntawm lub qhov tuag.
(c) Tablet nias. Upthrust down, thiab nias qhov hais mus rau hauv nplooj ntawv;
(d) Push zaj duab xis. Lub punch sab saud yog lifted, thiab lub punch qis ces nce mus rau ntawm ntug ntawm lub qhov tuag. Lub sijhawm no, tus feeder txav mus rau qhov tuag thiab thawb lub ntsiav tshuaj mus rau hauv lub receiver. Nyob rau tib lub sijhawm, cov punch qis qis qis dua, thiab qhov tuag qhov yog ntim nrog cov khoom siv rau cov khoom noj thib ob, thiab lwm yam.
2 Cov qauv yam ntxwv ntawm lub hli-daim phiaj pub mis ntawm qhov nruab nrab nruab nrab thiab qis qis ceev cov ntsiav tshuaj xovxwm thiab nws cov txheej txheem nias tau muab piv nrog lub hli-daim phiaj pub zaub mov ntawm qhov nruab nrab nruab nrab thiab qis ceev rotary ntsiav tshuaj xovxwm, raws li qhia hauv daim duab 3 . Lub hli-grid feeder yog tsau rau ntawm pwm phaj ntawm lub turntable, thiab hauv qab ntawm lub feeder tuav ib qho kev sib txawv (00}5 ~ 0.1mm) nruab nrab ntawm qhov chaw hauv qab. feeder thiab nto ntawm pwm phaj. Thaum lub nplhaib pwm tig dhau los ntawm lub feeder, cov khoom siv tshuaj hauv daim phiaj poob rau hauv lub qhov pwm, ntau daim phiaj daim phiaj ua rau cov tshuaj ntim ntau zaus, thiab daim phiaj kawg ntawm lub feeder yog nruab nrog lub phaj scraping. Nws nyob ze rau ntawm lub dav hlau ua haujlwm ntawm lub turntable, thiab cov khoom ntau dhau ntawm qhov chaw ntawm lub turntable thiab lub nplhaib tuag tuaj yeem muab pov tseg, thiab tom qab ntawd cov dej ntws tawm hauv qab muaj qhov poob, kom cov hmoov hauv qhov tuag tuaj yeem shaken. tom qab lub hmoov board yog scraped. Cov txheej txheem nias ntawm lub hli-grid feeder yog qhia hauv daim duab 4.
(1) Ntim. Thaum yaug hauv qab lub hopper pub, cov khoom yog ntim rau hauv lub qhov tuag;
(2) Xuas tes ua. Cov khoom ntau dhau yog khawb tawm los ntawm cov phaj scraping thaum lub hauv ntej yog ntws mus rau sab saum toj dav hlau ntawm lub tsheb ciav hlau filling;
(3) Tablet nias. Thaum lub hauv ntej flushes saum lub qis xovxwm log thiab lub sab sauv flushes nyob rau hauv lub Upper xovxwm log, qhov kev ncua deb ntawm ob flushes yog yam tsawg kawg nkaus, thiab cov hais yog nias rau hauv daim ntawv;
(4) Thawb zaj duab xis. Tom qab nias lub ntsiav tshuaj, lub puab tsaig sab sauv thiab qis qis nce thiab poob raws li cov lus qhia kev tsheb nqaj hlau, thiab cov ntsiav tshuaj raug thawb tawm ntawm lub qhov tuag thaum lub punch qis nce mus txog rau sab saum toj ntawm lub tsheb ciav hlau tawm, thiab raug xa mus rau hauv lub thawv los ntawm scraper. phaj, thiab lwm yam.
Lub zog pub mis yog ib qho kev pub noj uas siv dav hauv sub-high-speed thiab high-speed rotary tablet press nyob rau hauv xyoo tas los no (raws li qhia hauv daim duab 5). Qhov yuam kev pub mis yog tsim los ntawm peb qhov chaw: hopper, pub lub cev muaj zog thiab quab yuam feeder. Lub hopper feem ntau ua lub luag haujlwm ntawm kev khaws cov ntaub ntawv, thiab nws qhov qis yog txuas nrog lub feeder yuam. Lub cev muaj zog pub mis yog lub zog ntawm qhov yuam kev feeder, zaus hloov pauv ceev tswj; Kev quab yuam feeder tuaj yeem muab faib ua ob ntu: gearbox thiab feeder. Lub thawv iav xa tawm lub zog ntawm lub tshuab pub mis rau ob lub impeller ntawm lub feeder, thiab ob lub impeller tig rov qab los yuam cov khoom ntim rau hauv qhov nruab nrab tuag qhov. Cov txheej txheem nias ntawm qhov yuam kev pub mis yog qhov pib zoo ib yam li lub hli-daim phiaj pub mis, uas tseem muab faib ua plaub theem: txhaws → scraping → nias → thawb.
4 Kev sib piv ntawm qhov sib txawv ntawm qhov hnyav ntawm peb txoj kev pub mis Txoj kev pub mis tam sim no yog siv lub ntim ntawm cov khoom los tswj qhov hnyav ntawm daim, g=ρv(qhov twg g yog qhov hnyav ntawm cov khoom ntim, ρ yog qhov ceev ntawm cov khoom, v yog qhov ntim ntawm cov khoom ntim), tam sim no lub ntim ntawm cov filling yog qhov tseeb, qhov hnyav ntawm cov khoom yog txiav txim siab los ntawm qhov ntom ntawm cov khoom, Qhov ntom ntawm cov khoom yog txiav txim siab los ntawm cov khoom sib xws. thiab looseness ntawm cov khoom. Cov khau raj pub mis ntawm lub tshuab stamping ib leeg thiab lub hli-daim phiaj pub mis ntawm qhov nruab nrab thiab qis ceev rotary xovxwm yog ib txwm pub los ntawm qhov hnyav ntawm cov khoom, thiab cov khoom siv hmoov feem ntau tsis haum rau ob txoj hauv kev, vim tias qhov fluidity. ntawm cov hmoov feem ntau tsawg dua li ntawm cov khoom siv granular. Txawm li cas los xij, yog tias cov khoom siv granular tsis sib npaug lossis muaj cov dej tsis zoo, nws tseem yuav cuam tshuam qhov sib txawv ntawm qhov hnyav ntawm cov ntsiav tshuaj. Yog li ntawd, ob txoj kev pub mis no yuav xav tau ntau dua ntawm cov khoom siv thiab cov xwm txheej ntawm cov khoom. Kev quab yuam feeder ntawm sub-high-speed thiab high-ceev ntsiav tshuaj xovxwm tuaj yeem yuam ua lub qhov nruab nrab tuag, yog li nws tuaj yeem nias cov ntaub ntawv hmoov, thiab cov kev xav tau ntawm cov ntaub ntawv granular kuj tseem xoob dua thawj ob hom feeders, thiab qhov hnyav sib txawv yog ruaj khov dua.
5 Kev sib piv ntawm ntau txoj kev pub mis 5.1 boot-type feeding system Cov hmoov nyob rau hauv khau raj-hom feeder ntawm ib lub tshuab stamping yog ib qho yooj yim ua rau cov hmoov stratified los ntawm lub viav vias ntawm lub feeder, thiab cov ntawv xovxwm yog ib qho- sided siab (upthrust siab), yog li lub siab faib tsis sib npaug, yooj yim tawg, thiab lub suab nrov loj. Tsis tas li ntawd, qhov kev ua tau zoo ntawm cov khoom siv yog qhov tsawg, qhov dav dav ntawm ib lub tshuab stamping tso tawm ntawm 60-80 daim / min, yog li nws tsuas yog tsim nyog rau kev kuaj thiab cov ntsiav tshuaj loj loj.
5.2 Moon-grid feeding system. Tam sim no, lub hli-daim phiaj pub zaub mov ntawm qhov nruab nrab-tsawg ceev cov ntsiav tshuaj xovxwm yog dav siv hauv kev tsim khoom. Txoj kev pub mis no yuav tsum ua ntej ua cov khoom rau hauv cov khoom sib xws nrog qhov loj me thiab zoo fluidity, cia siab rau nws tus kheej qhov hnyav ntawm cov khoom siv, thiab sau cov tshuaj ntau zaus los ntawm ntau daim phiaj kab sib chaws, yog li lub filling yog tag nrho, ruaj khov, thiab qhov sib txawv ntawm qhov hnyav ntawm daim yog me me. Qhov nce-thiab-down cuam tshuam ntawm cov ntsiav tshuaj teb xovxwm tuaj yeem raug nias tib lub sijhawm, thiab qhov kev faib tawm siab sib xws. Tsis tas li ntawd, feem ntau ntawm cov xovxwm hauv tsev qis qis yog tsim los tso ob txheej txheej pub noj ua ntej thiab tom qab lub turntable, kom lub turntable tig ib lub lim tiam, txhua txheej pwm tuaj yeem sau ob zaug, nias ob daim, nws cov khoom siv tau zoo. tau zoo heev, cov zis ntawm zoo tib yam ZP35D ntsiav tshuaj xovxwm tuaj yeem ncav cuag 1900 ~ 2200 daim / min, Yog li ntawd, txoj kev pub mis ntawm cov ntsiav tshuaj xovxwm no tuaj yeem siv rau cov khoom loj loj los ntawm cov chaw tsim tshuaj. Txawm li cas los xij, qhov kev pub mis no kuj muaj qee qhov tsis zoo:
(1) Cov kev cai nruj rau cov khoom siv. Ua ntej nias, cov khoom yuav tsum tau pelleted, particle flow yog zoo dua, particle loj yuav tsum uniform, thiab cov nqi ntau lawm yuav nce;
(2) Lub sijhawm filling yuav tsum tsis txhob luv dhau. Vim tias txoj kev pub mis no yog tias cov khoom siv tau ntim rau hauv lub qhov tuag los ntawm lawv tus kheej qhov hnyav, lub filling yuav tsum xyuas kom meej lub sijhawm, kom lub rotary ceev tsis tuaj yeem nce siab dhau, txwv tsis pub lub filling tsis txaus, thiab qhov sib txawv hauv daim ntawv hnyav tsis tuaj yeem ncav cuag tus qauv.
5.3 Forced-Feed system Forced-feed system tuaj yeem siv cov khoom siv nias los yog cov khoom siv hmoov nias. Vim hais tias cov khoom raug yuam kom sau, lub sij hawm sau tuaj yeem ua kom luv luv, thiab cov kev sib hloov ceev ntawm lub turntable kuj tuaj yeem nce ntau, yog li no txoj kev pub mis no feem ntau yog siv rau hauv sub-high-speed thiab high-speed rotary ntsiav tshuaj. xovxwm, thiab qhov siab tshaj plaws ceev ntawm turntable ntawm high-ceev ntsiav tshuaj xovxwm tuaj yeem ncav cuag 80 RPM. Nrog rau kev tsim thiab tsim cov cuab yeej ua kom paub tab, cov ntsiav tshuaj xovxwm no kuj tau txais txiaj ntsig los ntawm qee cov tuam txhab tshuaj loj thiab nruab nrab.
Txawm hais tias muaj ntau qhov zoo ntawm qhov yuam kev pub mis, tseem muaj qee qhov tsis zoo:
(1) Hmoov pov tseg phenomenon. Vim tias qhov kev sib hloov ceev ntawm lub turntable yog nce, cov khoom siv ntau dhau los ntawm lub feeder yuav raug muab pov tseg, ua rau cov khoom pov tseg thiab nce hauv plua plav;
(2) Hopper leakage tsis du. Vim tias qhov tshwj xeeb ntawm cov qauv hopper (lub qhov ncauj sab saud yog qhov loj, lub qhov ncauj hauv qab yog me me, thiab muaj txoj kab nqes), qee cov ntaub ntawv uas muaj dej tsis zoo (feem ntau yog cov khoom siv hmoov tsis muaj pelleting) yuav tsis ntws zoo, ua rau cov khoom tsis ruaj khov. sib txawv.
5.4 Qhov zoo thiab qhov tsis zoo ntawm ntau txoj kev pub mis Raws li kev txheeb xyuas saum toj no, qhov zoo thiab qhov tsis zoo ntawm ob peb lub feeders tuaj yeem raug sau tseg (raws li qhia hauv Table 1). Table 1 Qhov zoo thiab qhov tsis zoo ntawm ob peb feeders
Feeding system Boot-type feeding system Moon-grid feeding system forced feed system adapted sheet press Single stamping machine Medium and low speed and sub-high speed rotary sheet press Sub-high speed and high speed rotary sheet press Feeding method Natural feeding natural feeding forced pub daim ntawv hnyav tsis ruaj khov ruaj khov haum cov khoom siv Granule granule Granule granule los yog hmoov Tsawg ntau lawm efficiency siab tshaj.
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