壓電振動盤和電磁振動盤的區別

1、電(dian)(dian)(dian)磁(ci)(ci)式振(zhen)動(dong)(dong)盤是由(you)一個(ge)電(dian)(dian)(dian)磁(ci)(ci)振(zhen)動(dong)(dong)器(電(dian)(dian)(dian)磁(ci)(ci)吸鐵和銜(xian)鐵的總(zong)稱)作動(dong)(dong)力，將電(dian)(dian)(dian)能(neng)轉換為機械振(zhen)動(dong)(dong)能(neng)，料斗(dou)下面有個(ge)脈沖(chong)電(dian)(dian)(dian)磁(ci)(ci)鐵，可以使(shi)料斗(dou)垂(chui)直(zhi)(zhi)方(fang)向振(zhen)動(dong)(dong)，由(you)于(yu)多組(3組及以上(shang))彈簧(huang)片的傾斜，使(shi)料斗(dou)繞其垂(chui)直(zhi)(zhi)軸做扭擺振(zhen)動(dong)(dong)。料斗(dou)內零件(jian)，由(you)于(yu)受到這種振(zhen)動(dong)(dong)，而沿螺(luo)旋軌道上(shang)升，直(zhi)(zhi)到送到出料口。

2、壓電式振(zhen)動(dong)(dong)(dong)盤是利用壓電陶瓷作為驅動(dong)(dong)(dong)源(yuan)的(de)(de)新(xin)型振(zhen)動(dong)(dong)(dong)送(song)(song)料(liao)(liao)裝置(zhi)，它(ta)利用壓電片(pian)的(de)(de)逆(ni)壓電效應產生振(zhen)動(dong)(dong)(dong)，作為驅動(dong)(dong)(dong)源(yuan)驅動(dong)(dong)(dong)料(liao)(liao)槽實現(xian)物料(liao)(liao)的(de)(de)輸送(song)(song)。它(ta)具(ju)有許多傳統振(zhen)動(dong)(dong)(dong)送(song)(song)料(liao)(liao)裝置(zhi)所不具(ju)備的(de)(de)特點:

(1)結(jie)構簡單，安裝和維(wei)護更加方便;

(2)應用壓電片作為驅(qu)動(dong)源，無需電機(ji)、電磁激振(zhen)器等(deng)驅(qu)動(dong)裝(zhuang)置(zhi)，也無需軸、桿、皮帶(dai)等(deng)機(ji)械傳動(dong)部(bu)件，結(jie)構簡單(dan)，易于(yu)加工(gong)制作;

(3)改變驅動信(xin)號中的(de)幅值、脈寬及頻率(lv)中的(de)任意(yi)一個，都可(ke)以調節輸送率(lv)，控制(zhi)參數多(duo)，可(ke)控性好; 

(4)無轉(zhuan)動(dong)慣性，幾乎(hu)沒有(you)加(jia)速和減速過(guo)程，啟(qi)動(dong)、停止迅速，反應性能(neng)快;

(5)不產(chan)生干擾電(dian)磁(ci)場，也不受電(dian)磁(ci)干擾信號的影響;

(6)在(zai)低頻率段或(huo)超聲段工作，噪音小;

(7)在共振或無共振狀態下工作，因此能量消耗少;

(8)驅動力略顯不足，無法(fa)輸送過重之料(liao)件，因(yin)此這類(lei)裝置大多(duo)應用于物料(liao)的微量或精(jing)量輸送。