Suspension separation box body and online secondary cut tobacco stem removing device

The utility model relates to the technical field of tobacco shred winnowing separation, and discloses a suspension separation box and a tobacco shred online secondary stem removal device. Wherein the suspension separation box body comprises a broken-line-shaped air duct and a tobacco shred output air duct; a material inlet is formed in the side wall of the fold-line-shaped air duct; the broken-line-shaped air duct is connected with the cut tobacco output air duct; and a lower end opening of the broken-line-shaped air duct is a stem blanking opening. An on-line secondary stem removing device for tobacco shreds comprises a suspension separation box body, a hopper, an air conveying nozzle, a centrifugal wind power separator and a stem recycling pipe. The stem blanking port is hermetically connected with the hopper; the material inlet is used for being connected with a tobacco shred discharging port of the primary stem removing device. An outlet of the tobacco shred output air duct is connected with the air conve