Hank cage classifying screen

The utility model provides a be applied to metallurgical ore dressing screening plant technical field's hank cage classifying screen, hank cage classifying screen's outer screen cloth (7) set up in classifying screen barrel (2) outside, inner screen (6) set up inside outer screen cloth (7), outer screen cloth (7) meshi aperture sets up the structure for being less than inner screen (6) meshi aperture, installation a plurality of multi -screw blade (9) between outer screen cloth (7) and inner screen (6), multi -screw blade (9) set up to being helical structured, helical structured extends to coarse fodder discharging port (5) direction from feed port (3) direction, classifying screen barrel (2) feed end is connected with motor (8), motor (8) are connected with control unit, the utility model discloses a hank cage classifying screen can convenient and fast ground break up getting into material in the classifying screen, stage treatment, improves the loose degree of the material that getsinto the classifying scr