隨著粉劑包裝設備的不斷推陳出新,高效率、高精度、自動化、智能化已經成為新的尺度。而一些結構簡單、成本低廉、xingnengkekaodefenjibaozhuangjixiegengshishoudaozhongxiaoqiyeyonghudehuanying,zheleifenjibaozhuangjixiedabufenshiyidianjidaidongyigeluogan,luogandezhuansujuedingxialiaodesudu,luogandezhuanshujuedingxialiaodezhongliang,yincidianjizaigaosuxiadedingweijingduhexiangyingnengliwangwangchengweizuoyoucileishebeixingnengyouliedezhuyaoyinsuzhiyi。 簡單來說,粉劑包裝機的工作原理可以簡化為8個字“螺杆定量、稱重反饋”。該設備控製係統的方框圖可以簡化如下圖所示: 如圖所示,上位機在係統中作為“控製器”,changjiayibancaiyongzijikaifadedanpianjiwaijiawenbenxianshiqikongzhi。youdanpianjigenjufankuixinhaoquedingmeiciguanzhuangshifasonggeisifuqudongqidemaichongshuliang,kongzhidianjidexingcheng。zhiyouzaimeicigenggaixindefenjipinzhonghebaozhuangzhongliangshi,xuyaorangdanpianjiwanchengyigezixuexideguocheng。dianzichengzaixitongzhongchongdang“變送器”,稱重後形成一個反饋信號,此信號與目標值在單片機內形成一個偏差信號,以確定下一次灌裝時發送給伺服係統的脈衝數。 伺服電機和驅動器在係統中擔任“執行機構”dejiaose。fenjibaozhuangjichuliaodesuduqujueyudianjidezhuansuheluoganshangluoxuandejianxi,danshiluoxuandejianxiguodahuigeifenjibaozhongliangdejingduchanshengyingxiang,suoyikaolvyoutigaodianjidezhuansulaishixiantigaobaozhuangchuliaosududemude。zhejiuyaoqiudaidongluogandedianjijuyougaosuxiashixianjingquedingweidenengli,ersifudianjiyubujindianjixiangbi,erjuyouxiangyingnengliqiang、力矩保持好、定(ding)位(wei)精(jing)準(zhun)等(deng)特(te)點(dian),大(da)大(da)提(ti)升(sheng)了(le)粉(fen)劑(ji)包(bao)裝(zhuang)機(ji)械(xie)的(de)性(xing)能(neng)。在(zai)該(gai)設(she)備(bei)上(shang),伺(si)服(fu)電(dian)機(ji)采(cai)用(yong)位(wei)置(zhi)控(kong)製(zhi)方(fang)式(shi),接(jie)收(shou)上(shang)位(wei)機(ji)的(de)脈(mai)衝(chong)實(shi)現(xian)定(ding)位(wei),由(you)出(chu)料(liao)口(kou)處(chu)的(de)光(guang)電(dian)傳(chuan)感(gan)器(qi)作(zuo)為(wei)電(dian)機(ji)的(de)觸(chu)發(fa)信(xin)號(hao),當(dang)包(bao)裝(zhuang)袋(dai)移(yi)動(dong)到(dao)傳(chuan)感(gan)器(qi)附(fu)近(jin)時(shi),傳(chuan)感(gan)器(qi)被(bei)觸(chu)發(fa),電(dian)機(ji)動(dong)作(zuo),開(kai)始(shi)下(xia)料(liao)。現(xian)場(chang)調(tiao)試(shi)時(shi)將(jiang)電(dian)機(ji)上(shang)到(dao)額(e)定(ding)轉(zhuan)速(su)1500rpm,調節參數提高電機速度和位置響應,實驗中包裝500克的粉劑,每分鍾可以包裝40-50袋、誤差在2克左右,能夠滿足用戶的實際使用需要。 此(ci)外(wai),由(you)於(yu)該(gai)設(she)備(bei)的(de)控(kong)製(zhi)部(bu)分(fen)是(shi)單(dan)片(pian)機(ji)係(xi)統(tong),易(yi)於(yu)受(shou)到(dao)幹(gan)擾(rao),因(yin)此(ci)需(xu)要(yao)采(cai)取(qu)一(yi)些(xie)措(cuo)施(shi)來(lai)抑(yi)製(zhi)幹(gan)擾(rao),比(bi)如(ru)設(she)備(bei)布(bu)線(xian)時(shi)要(yao)強(qiang)弱(ruo)分(fen)開(kai),設(she)備(bei)要(yao)良(liang)好(hao)的(de)接(jie)地(di),單(dan)片(pian)機(ji)的(de)信(xin)號(hao)線(xian)采(cai)用(yong)雙(shuang)絞(jiao)屏(ping)蔽(bi)線(xian),控(kong)製(zhi)電(dian)源(yuan)要(yao)加(jia)隔(ge)離(li)變(bian)壓(ya)器(qi)或(huo)濾(lv)波(bo)器(qi)來(lai)抑(yi)製(zhi)高(gao)頻(pin)幹(gan)擾(rao)信(xin)號(hao)的(de)進(jin)入(ru)等(deng)等(deng);以上措施可以有效地改善現場的幹擾問題,使設備能夠正常工作。 經過我公司和客戶的共同努力和積極配合, “森創”交jiao流liu伺si服fu係xi統tong在zai粉fen劑ji包bao裝zhuang機ji上shang得de到dao了le成cheng功gong的de應ying用yong,達da到dao了le最zui終zhong用yong戶hu的de實shi際ji使shi用yong要yao求qiu。雖sui然ran該gai設she備bei對dui伺si服fu的de使shi用yong比bi較jiao簡jian單dan,但dan是shi對dui伺si服fu的de性xing能neng要yao求qiu較jiao高gao,我wo們men也ye可ke以yi根gen據ju設she備bei的de不bu同tong規gui格ge和he需xu要yao,對dui伺si服fu係xi統tong進jin行xing相xiang應ying的de調tiao整zheng,這zhe也ye反fan映ying出chu了le我wo們men公gong司si作zuo為wei擁yong有you自zi己ji核he心xin開kai發fa技ji術shu的de公gong司si的de一yi種zhong優you勢shi所suo在zai。 製 造 商:北京和利時電機技術有限公司(原四通電機) 地 址:北京市海澱區學清路11號 通訊地址:北京2877信箱 郵政編碼:100085 電話總機:(010) 62932100 熱線分機:銷售-100; 技術支持-810 銷售熱線:(010) 62927938 傳 真:(010) 62927946 網 址:www. hollysys-electric. com 南京辦事處:025-84293632 84293652/53 深圳分公司:0755-26581960/61/62/63
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