Paper feeding mechanism and splitting machine thereof

The utility model discloses a paper feeding mechanism and a splitting machine thereof, which comprise a workbench, the top end of the workbench is symmetrically and fixedly connected with supporting plates, a lower driving roller and an upper driving roller which are used for conveying paper are arranged between the two supporting plates, the top ends of the supporting plates are provided with a top plate, and the supporting plates are provided with adjusting mechanisms used for adjusting the height of the upper driving roller. The adjusting mechanism comprises a sliding block, an adjusting rod, a fixing frame and a locking column, and rotating shafts are fixedly connected to the two sides of the upper driving roller. The upper driving roller, the sliding block, the adjusting rod, the fixing frame, the locking column and the rotating plate are matched with one another, the sliding block slides on the supporting plate, the adjusting rod slides in the fixing frame, the locking column limits the relative positio