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 皮帶(dai)輸(shu)送機在汽車部件輸(shu)送過程中的應用(皮帶(dai)輸(shu)皮帶(dai)輸(shu)送機)
皮(pi)帶(dai)輸(shu)(shu)(shu)送(song)(song)機(ji)(ji)水(shui)平輸(shu)(shu)(shu)送(song)(song)，主要(yao)在(zai)各(ge)工(gong)(gong)位(wei)之間進行(xing)輸(shu)(shu)(shu)送(song)(song)，使用一調頻電(dian)機(ji)(ji)帶(dai)動(dong)(dong)(dong)齒輪(lun)、齒條進行(xing)，作(zuo)一工(gong)(gong)位(wei)距(ju)離(li)的往(wang)復(fu)(fu)運(yun)動(dong)(dong)(dong)。為保證皮(pi)帶(dai)輸(shu)(shu)(shu)送(song)(song)機(ji)(ji)運(yun)行(xing)的平穩性，可在(zai)往(wang)復(fu)(fu)桿(gan)的一頭安裝一雙作(zuo)用氣缸，來平衡運(yun)行(xing)時產生的不平穩運(yun)動(dong)(dong)(dong);其頂升、下(xia)降(jiang)運(yun)動(dong)(dong)(dong)，主要(yao)為到(dao)達一工(gong)(gong)位(wei)后(hou)落下(xia)，方便夾(jia)具(ju)對工(gong)(gong)件(jian)進行(xing)加緊，焊接結(jie)束后(hou)，頂升以使工(gong)(gong)件(jian)離(li)開夾(jia)具(ju)，方便工(gong)(gong)件(jian)的輸(shu)(shu)(shu)送(song)(song)。皮(pi)帶(dai)輸(shu)(shu)(shu)送(song)(song)機(ji)(ji)在(zai)各(ge)工(gong)(gong)位(wei)使用雙作(zuo)用氣缸推動(dong)(dong)(dong)斜楔平移交叉臂機(ji)(ji)構(gou)來完成升降(jiang)運(yun)動(dong)(dong)(dong)。
皮(pi)帶(dai)輸(shu)送機(ji)(ji)雖然采(cai)(cai)(cai)用(yong)氣(qi)缸(gang)(gang)(gang)進行頂升(sheng)、降落運動(dong)(dong)具有(you)價格便宜、安(an)全(quan)系數高、運行平穩等(deng)優(you)點(dian)，但(dan)氣(qi)缸(gang)(gang)(gang)具有(you)延遲作用(yong)，不能很(hen)(hen)好(hao)地滿足快速響應，降低了生產的(de)(de)節拍。同時由于(yu)氣(qi)缸(gang)(gang)(gang)的(de)(de)推力有(you)限，一(yi)般只用(yong)于(yu)載荷較(jiao)小的(de)(de)工位。若采(cai)(cai)(cai)用(yong)液壓(ya)系統來(lai)作為頂升(sheng)和降落的(de)(de)動(dong)(dong)力源，雖克服了氣(qi)缸(gang)(gang)(gang)推力小的(de)(de)原理(li)，但(dan)也存在延時作用(yong)。雖然皮(pi)帶(dai)輸(shu)送機(ji)(ji)的(de)(de)氣(qi)缸(gang)(gang)(gang)與液壓(ya)驅動(dong)(dong)有(you)一(yi)定(ding)的(de)(de)缺點(dian)，但(dan)采(cai)(cai)(cai)用(yong)氣(qi)缸(gang)(gang)(gang)和液壓(ya)驅動(dong)(dong)具有(you)一(yi)定(ding)的(de)(de)緩(huan)沖作用(yong)，可(ke)以提高輸(shu)送線(xian)的(de)(de)安(an)全(quan)性。目前，皮(pi)帶(dai)輸(shu)送機(ji)(ji)一(yi)般采(cai)(cai)(cai)用(yong)變(bian)頻電(dian)機(ji)(ji)的(de)(de)方式來(lai)進行驅動(dong)(dong)，可(ke)以很(hen)(hen)好(hao)地解決上(shang)述問題。
皮帶(dai)輸(shu)送(song)機(ji)的輸(shu)送(song)過程(cheng)為：所有工(gong)(gong)位(wei)(wei)完成(cheng)焊接且按完成(cheng)鈕確認后，輸(shu)送(song)線(xian)本體(含小(xiao)車(che)、工(gong)(gong)件)頂起(qi)向(xiang)前輸(shu)送(song)一個工(gong)(gong)位(wei)(wei)的距離(li)，輸(shu)送(song)線(xian)本體(含小(xiao)車(che)、工(gong)(gong)件)落下到位(wei)(wei)，小(xiao)車(che)(空車(che))返回到起(qi)始位(wei)(wei)置(一個工(gong)(gong)位(wei)(wei)的距離(li))，完成(cheng)工(gong)(gong)件的輸(shu)送(song)。
近年來，由于高速(su)電(dian)機(ji)(ji)的使用，臺車式(shi)皮(pi)帶輸送(song)機(ji)(ji)的輸送(song)節奏也有(you)所(suo)提高。臺車式(shi)皮(pi)帶輸送(song)機(ji)(ji)一(yi)般是臺車和輥(gun)床配合(he)使用，臺車在上，輥(gun)床在下，其基本工作原理是：水平輸送(song)采(cai)用電(dian)機(ji)(ji)驅動(dong)(dong)同(tong)步帶輪，通過同(tong)步帶帶動(dong)(dong)臺車在輥(gun)床的軌(gui)道上運行。
滑撬式(shi)皮帶輸送(song)機(ji)能(neng)適應多變的(de)工藝(yi)要求(qiu);可(ke)按(an)工藝(yi)需(xu)要在同一(yi)線路上改變輸送(song)間距;可(ke)設(she)置存儲(chu)線;為達到(dao)較(jiao)高的(de)重(zhong)復定(ding)位(wei)(wei)精度，滑撬上裝有定(ding)位(wei)(wei)裝置，使(shi)(shi)其(qi)精度一(yi)般(ban)小于±0.3mm，能(neng)滿足點、弧焊機(ji)器人(ren)的(de)使(shi)(shi)用(yong)要求(qiu)。其(qi)缺點主要有：設(she)備的(de)投(tou)資較(jiao)大(da);結(jie)構形式(shi)比較(jiao)復雜。滑撬式(shi)皮帶輸送(song)機(ji)非常適合于工位(wei)(wei)較(jiao)多，利(li)用(yong)長度有限的(de)廠(chang)房(fang)或梁架地板需(xu)要進(jin)行翻(fan)轉補焊且(qie)補焊工作(zuo)量較(jiao)大(da)的(de)轎車、微型車的(de)車身的(de)焊裝。
滑撬式皮帶(dai)(dai)輸(shu)(shu)送(song)(song)(song)機(ji)(ji)(ji)的(de)(de)(de)工(gong)(gong)(gong)作(zuo)原理為：工(gong)(gong)(gong)件(jian)(jian)的(de)(de)(de)水(shui)平輸(shu)(shu)送(song)(song)(song)使(shi)(shi)用(yong)往(wang)復(fu)桿(gan)(gan)或輥(gun)(gun)床(chuang)(chuang)來(lai)完成，往(wang)復(fu)桿(gan)(gan)或輥(gun)(gun)床(chuang)(chuang)使(shi)(shi)用(yong)電(dian)(dian)機(ji)(ji)(ji)驅動(dong)(dong)，該輸(shu)(shu)送(song)(song)(song)線一(yi)般沒有(you)上(shang)、下垂(chui)直運動(dong)(dong)，工(gong)(gong)(gong)件(jian)(jian)的(de)(de)(de)上(shang)線、下線主要采(cai)用(yong)人(ren)工(gong)(gong)(gong)或葫蘆(lu)(lu)吊具來(lai)完成，使(shi)(shi)用(yong)自行(xing)(xing)電(dian)(dian)葫蘆(lu)(lu)或電(dian)(dian)動(dong)(dong)葫蘆(lu)(lu)完成工(gong)(gong)(gong)件(jian)(jian)的(de)(de)(de)下線。該皮帶(dai)(dai)輸(shu)(shu)送(song)(song)(song)機(ji)(ji)(ji)有(you)兩(liang)(liang)種(zhong)(zhong)形式：其中一(yi)種(zhong)(zhong)是靠往(wang)復(fu)桿(gan)(gan)來(lai)輸(shu)(shu)送(song)(song)(song)滑撬，使(shi)(shi)用(yong)固(gu)定的(de)(de)(de)導軌作(zuo)為往(wang)復(fu)桿(gan)(gan)的(de)(de)(de)導向，為推(tui)動(dong)(dong)滑撬運行(xing)(xing)，需要每(mei)個(ge)工(gong)(gong)(gong)位之間安裝(zhuang)一(yi)個(ge)與滑撬連接的(de)(de)(de)拔銷，皮帶(dai)(dai)輸(shu)(shu)送(song)(song)(song)機(ji)(ji)(ji)上(shang)的(de)(de)(de)定位夾緊裝(zhuang)置(zhi)用(yong)來(lai)保證(zheng)板(ban)件(jian)(jian)的(de)(de)(de)定位準(zhun)確性;另(ling)一(yi)種(zhong)(zhong)是靠輥(gun)(gun)床(chuang)(chuang)來(lai)輸(shu)(shu)送(song)(song)(song)滑撬，輥(gun)(gun)床(chuang)(chuang)每(mei)個(ge)工(gong)(gong)(gong)位都需固(gu)定一(yi)臺，兩(liang)(liang)側可以加上(shang)擋(dang)塊來(lai)確保皮帶(dai)(dai)輸(shu)(shu)送(song)(song)(song)機(ji)(ji)(ji)運行(xing)(xing)的(de)(de)(de)準(zhun)確性。
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