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(gong)作原理方面(mian)顎(e)(e)(e)式破(po)(po)碎機(ji)工(gong)作時(shi)電動(dong)(dong)(dong)(dong)機(ji)驅動(dong)(dong)(dong)(dong)皮帶和皮帶輪，通過偏心軸使動(dong)(dong)(dong)(dong)顎(e)(e)(e)上下(xia)(xia)運動(dong)(dong)(dong)(dong)，當(dang)(dang)動(dong)(dong)(dong)(dong)顎(e)(e)(e)上升(sheng)時(shi)肘板(ban)(ban)與動(dong)(dong)(dong)(dong)顎(e)(e)(e)間夾(jia)角變大，從(cong)而推動(dong)(dong)(dong)(dong)動(dong)(dong)(dong)(dong)顎(e)(e)(e)板(ban)(ban)向固定顎(e)(e)(e)板(ban)(ban)接近，與其同時(shi)物(wu)料被壓碎或劈碎，達(da)到(dao)破(po)(po)碎的目(mu)的;當(dang)(dang)動(dong)(dong)(dong)(dong)顎(e)(e)(e)下(xia)(xia)行時(shi)，肘板(ban)(ban)與動(dong)(dong)(dong)(dong)顎(e)(e)(e)夾(jia)角變小，動(dong)(dong)(dong)(dong)顎(e)(e)(e)板(ban)(ban)在拉(la)桿(gan)，彈簧(huang)的作用(yong)下(xia)(xia)，離開(kai)固定顎(e)(e)(e)板(ban)(ban)，此(ci)時(shi)已破(po)(po)碎物(wu)料從(cong)破(po)(po)碎腔(qiang)下(xia)(xia)口(kou)排(pai)出。隨著電動(dong)(dong)(dong)(dong)機(ji)連續轉動(dong)(dong)(dong)(dong)而破(po)(po)碎機(ji)動(dong)(dong)(dong)(dong)顎(e)(e)(e)作周期運動(dong)(dong)(dong)(dong)壓碎和排(pai)泄物(wu)料，實現批量生產。