Stacking device and cotton bale conveying production line

The utility model provides a stacking device and a cotton bale conveying production line, and belongs to the field of cotton processing. The lifting base is provided with a lifting table which is in butt joint with the tail end of the receiving roller way in a lifting state; the clamping and lifting unit is used for clamping the cotton bale on the lifting base and lifting the cotton bale to the height of at least one cotton bale; and the package stack transferring unit is used for moving the package stack away from the lifting table, the front end of the package stack transferring unit is located below the lifting table in the lifting state, and the front end of the package stack transferring unit protrudes out of the lifting table after the lifting table descends. According to the stacking device, in the stacking process, the large-amplitude action of overturning the cotton bales does not exist, the occupied area is small, and characters on the cotton bales cannot be reversed; in addition, due to the fact th