★原理：在zai電dian磁ci振zhen動dong器qi作zuo用yong下xia，料liao鬥dou作zuo扭niu轉zhuan式shi上shang下xia振zhen動dong

，使shi工gong件jian沿yan著zhe螺luo旋xuan軌gui道dao由you低di到dao高gao移yi動dong，並bing自zi動dong排pai列lie定ding向xiang
，直zhi至zhi上shang部bu出chu料liao口kou而er進jin入ru輸shu料liao槽cao，然ran後hou由you送song料liao機ji構gou送song至zhi相xiang應ying工gong位wei。