壓電振動盤和電磁振動盤的區別

1、電磁(ci)(ci)式振動盤是由(you)一個電磁(ci)(ci)振動器(電磁(ci)(ci)吸鐵和銜鐵的(de)總稱)作動力，將(jiang)電能(neng)(neng)轉換為機械振動能(neng)(neng)，料斗(dou)下面有個脈沖電磁(ci)(ci)鐵，可以使(shi)料斗(dou)垂(chui)直方向(xiang)振動，由(you)于(yu)(yu)多組(3組及以上)彈簧(huang)片的(de)傾(qing)斜，使(shi)料斗(dou)繞其垂(chui)直軸做扭擺振動。料斗(dou)內零件，由(you)于(yu)(yu)受到(dao)這(zhe)種振動，而沿(yan)螺旋軌道(dao)上升(sheng)，直到(dao)送到(dao)出料口。

2、壓(ya)電式振(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)盤是利(li)用(yong)壓(ya)電陶瓷作為(wei)驅(qu)動(dong)(dong)(dong)(dong)(dong)源的新型振(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)送(song)(song)料(liao)(liao)裝置，它利(li)用(yong)壓(ya)電片的逆壓(ya)電效應產生振(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)，作為(wei)驅(qu)動(dong)(dong)(dong)(dong)(dong)源驅(qu)動(dong)(dong)(dong)(dong)(dong)料(liao)(liao)槽實現物(wu)料(liao)(liao)的輸送(song)(song)。它具(ju)有許多(duo)傳統振(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)(dong)送(song)(song)料(liao)(liao)裝置所不具(ju)備(bei)的特點:

(1)結構(gou)簡單，安裝和維護(hu)更加(jia)方便;

(2)應用(yong)壓電(dian)片作為驅動源，無需電(dian)機、電(dian)磁激振(zhen)器等(deng)驅動裝置(zhi)，也無需軸、桿(gan)、皮帶等(deng)機械傳動部件(jian)，結構簡單，易于加工制作;

(3)改變(bian)驅動信號(hao)中(zhong)的(de)幅值、脈寬(kuan)及頻率(lv)中(zhong)的(de)任意一個，都可以調(diao)節輸送率(lv)，控制參(can)數多，可控性(xing)好; 

(4)無轉動慣性，幾乎沒有加速(su)和減速(su)過程，啟(qi)動、停止迅速(su)，反應性能快(kuai);

(5)不(bu)產生(sheng)干擾(rao)電磁場，也不(bu)受電磁干擾(rao)信號的影響;

(6)在(zai)低(di)頻率段或超(chao)聲段工作，噪音小;

(7)在共(gong)(gong)振(zhen)或無共(gong)(gong)振(zhen)狀(zhuang)態下工作，因此(ci)能量消耗少;

(8)驅動力略顯(xian)不足，無法輸送過重(zhong)之(zhi)料(liao)件，因此這類(lei)裝置(zhi)大多應用于物料(liao)的(de)微量或精量輸送。