自動進給鉆孔動力頭(tou)結構分析:
(1)作為組(zu)(zu)合機床的重(zhong)要(yao)動(dong)力(li)部件之一,電、氣動(dong)自(zi)動(dong)進給鉆(zhan)削(xue)動(dong)力(li)頭具有體積(ji)小(xiao)、重(zhong)量(liang)輕、結構緊湊、實用面廣(guang)、組(zu)(zu)合多變等優點(dian),能夠根據(ju)用戶(hu)的需要(yao)組(zu)(zu)合成(cheng)多種形式(shi)的組(zu)(zu)合機床。
(2)電、氣動(dong)(dong)自(zi)(zi)動(dong)(dong)進(jin)(jin)給鉆削動(dong)(dong)力(li)頭的的旋轉(zhuan)運動(dong)(dong)(主(zhu)運動(dong)(dong))采用(yong)(yong)電機通過同步(bu)帶直(zhi)接驅動(dong)(dong),進(jin)(jin)給運動(dong)(dong)采用(yong)(yong)壓縮空氣作為(wei)動(dong)(dong)力(li)源,實現主(zhu)軸(zhou)“快(kuai)(kuai)進(jin)(jin)、工(gong)進(jin)(jin)、快(kuai)(kuai)退"的自(zi)(zi)動(dong)(dong)循環,進(jin)(jin)給運動(dong)(dong)采用(yong)(yong)液壓阻尼,進(jin)(jin)給速度無級可(ke)調,進(jin)(jin)給行程連續可(ke)調,鉆削功率(lv)大,能(neng)同時(shi)驅動(dong)(dong)多根鉆軸(zhou)工(gong)作。
(3)自動(dong)(dong)(dong)進(jin)給鉆孔動(dong)(dong)(dong)力頭進(jin)給運(yun)動(dong)(dong)(dong)是(shi)通過花(hua)鍵(jian)傳(chuan)動(dong)(dong)(dong),動(dong)(dong)(dong)力頭中有一段較長的花(hua)鍵(jian),通過花(hua)鍵(jian)軸與帶(dai)花(hua)鍵(jian)槽(cao)內(nei)孔的軸之間(jian)的相(xiang)互滑(hua)動(dong)(dong)(dong)來實現進(jin)給運(yun)動(dong)(dong)(dong)。
(4)電(dian)、氣(qi)動自動進(jin)給(gei)鉆削動力頭是一種集動力頭的(de)(de)主運動、進(jin)給(gei)運動和控制系統于一體的(de)(de)高新技術產(chan)品,液(ye)(ye)壓阻尼(ni)器(qi)是機、電(dian)、氣(qi)、液(ye)(ye)多項技術綜合應用的(de)(de)結果。