壓電振動盤和電磁振動盤的區別

1、電(dian)磁式振(zhen)動(dong)(dong)盤是由一個電(dian)磁振(zhen)動(dong)(dong)器(電(dian)磁吸鐵(tie)和(he)銜鐵(tie)的總稱)作動(dong)(dong)力，將電(dian)能轉換(huan)為機械(xie)振(zhen)動(dong)(dong)能，料斗(dou)下面有個脈沖電(dian)磁鐵(tie)，可以使(shi)料斗(dou)垂(chui)直方(fang)向振(zhen)動(dong)(dong)，由于多組(3組及以上)彈簧片的傾(qing)斜，使(shi)料斗(dou)繞其垂(chui)直軸做扭擺振(zhen)動(dong)(dong)。料斗(dou)內零件(jian)，由于受到(dao)(dao)這種(zhong)振(zhen)動(dong)(dong)，而沿螺旋軌道(dao)上升，直到(dao)(dao)送(song)到(dao)(dao)出料口。

2、壓電(dian)式振動(dong)(dong)(dong)(dong)(dong)盤(pan)是(shi)利用壓電(dian)陶瓷作為(wei)驅(qu)動(dong)(dong)(dong)(dong)(dong)源的(de)新型(xing)振動(dong)(dong)(dong)(dong)(dong)送料(liao)裝置，它利用壓電(dian)片的(de)逆壓電(dian)效應(ying)產生振動(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)槽實現(xian)物料(liao)的(de)輸(shu)送。它具有許多傳統(tong)振動(dong)(dong)(dong)(dong)(dong)送料(liao)裝置所不具備(bei)的(de)特點:

(1)結構簡(jian)單，安裝和維護更加(jia)方便(bian);

(2)應用壓電(dian)片作(zuo)為驅動源，無需電(dian)機(ji)、電(dian)磁激振器等驅動裝置，也無需軸(zhou)、桿、皮(pi)帶等機(ji)械(xie)傳動部(bu)件，結構簡(jian)單(dan)，易于加工制(zhi)作(zuo);

(3)改變驅動信(xin)號(hao)中(zhong)的幅值、脈(mo)寬及頻(pin)率中(zhong)的任意一個，都可以調節(jie)輸送率，控制參(can)數多，可控性好(hao); 

(4)無(wu)轉動慣性(xing)(xing)，幾乎沒有加(jia)速和(he)減速過(guo)程(cheng)，啟動、停止迅速，反(fan)應性(xing)(xing)能快;

(5)不(bu)產生干擾電磁(ci)場(chang)，也不(bu)受(shou)電磁(ci)干擾信號的影響(xiang);

(6)在低頻率(lv)段或超聲段工作，噪音(yin)小;

(7)在共振(zhen)或無共振(zhen)狀態(tai)下工作(zuo)，因(yin)此能量消耗少;

(8)驅動力略顯不足(zu)，無法(fa)輸送過重之料(liao)件，因此這類裝置大(da)多應用于(yu)物料(liao)的微量或精(jing)量輸送。