顎式破碎機簡稱顎破,主要用于各種礦石與大塊物料的中等粒度破碎，可破碎抗壓強度不大于320Mpa的物料，分粗破和細破兩種。該系列產品規格齊全，其給料粒度為125mm～750mm,是初級破碎首選設備。
顎破的主要零部件是顎板，電動機驅動皮帶和皮帶輪，通過偏心軸使動顎上下運動，物料被擠壓、搓、碾等多重受力而被破碎。獨特飛輪設計，震動小。
工作(zuo)原理方(fang)面顎(e)式破(po)碎(sui)(sui)(sui)機(ji)工作(zuo)時(shi)(shi)(shi)電(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)驅動(dong)(dong)(dong)(dong)(dong)皮(pi)帶和皮(pi)帶輪，通過偏心軸(zhou)使(shi)動(dong)(dong)(dong)(dong)(dong)顎(e)上下(xia)運(yun)動(dong)(dong)(dong)(dong)(dong)，當動(dong)(dong)(dong)(dong)(dong)顎(e)上升時(shi)(shi)(shi)肘板(ban)與動(dong)(dong)(dong)(dong)(dong)顎(e)間(jian)夾角(jiao)變大，從(cong)而推動(dong)(dong)(dong)(dong)(dong)動(dong)(dong)(dong)(dong)(dong)顎(e)板(ban)向固定顎(e)板(ban)接近，與其同時(shi)(shi)(shi)物料(liao)被壓(ya)(ya)碎(sui)(sui)(sui)或劈碎(sui)(sui)(sui)，達到破(po)碎(sui)(sui)(sui)的目的;當動(dong)(dong)(dong)(dong)(dong)顎(e)下(xia)行時(shi)(shi)(shi)，肘板(ban)與動(dong)(dong)(dong)(dong)(dong)顎(e)夾角(jiao)變小，動(dong)(dong)(dong)(dong)(dong)顎(e)板(ban)在拉桿(gan)，彈簧(huang)的作(zuo)用下(xia)，離開固定顎(e)板(ban)，此時(shi)(shi)(shi)已(yi)破(po)碎(sui)(sui)(sui)物料(liao)從(cong)破(po)碎(sui)(sui)(sui)腔下(xia)口排(pai)出。隨著電(dian)動(dong)(dong)(dong)(dong)(dong)機(ji)連續(xu)轉動(dong)(dong)(dong)(dong)(dong)而破(po)碎(sui)(sui)(sui)機(ji)動(dong)(dong)(dong)(dong)(dong)顎(e)作(zuo)周期運(yun)動(dong)(dong)(dong)(dong)(dong)壓(ya)(ya)碎(sui)(sui)(sui)和排(pai)泄物料(liao)，實現批(pi)量生產。