Luggage sorting and conveying mechanism, luggage sorting machine and sorting and conveying method

The luggage sorting and conveying mechanism comprises a supporting plate, a cover plate, a plurality of balance wheel units, a plurality of friction driving wheels, a connecting rod mechanism, a rod driving mechanism and a wheel driving mechanism. The cover plate covers the supporting plate, and a plurality of through holes are formed in the cover plate; the multiple balance wheel units are distributed on the supporting plate into a plurality of rows, and each balance wheel unit is exposed out of the corresponding through hole to make contact with luggage to be sorted. The plurality of friction driving wheels are arranged between the cover plate and the supporting plate and are distributed into a plurality of rows, and the balance wheel units in each row are in frictional contact with the friction driving wheels in one row; the connecting rod mechanism is connected with a plurality of rows of balance wheel units; the rod driving mechanism is connected with the connecting rod mechanism and used for driving the