Flax strapping machine

The utility model discloses a flax strapping machine. The flax strapping machine comprises a shell (1), the shell (1) is separated by a separating plate (2) into an upper layer (3) and a lower layer (4), the upper layer (3) is provided with a machine shell (5), a worm gear (6) is arranged inside the machine shell (5), inner threads are arranged inside the worm gear (6), a downward pressing screw rod (7) is arranged inside the worm gear (6) in a meshed mode, the downward pressing screw rod (7) penetrates through the upper layer (3), a pressing block (8) is arranged at the bottom of the downward pressing screw rod (7), and a cutting blade (9) is arranged at the inner side of the pressing block (8). The upper layer (3) is further provided with a motor (10), the output end of the motor (10) is connected with a rotating screw rod (11), and the other end of the rotating screw rod (11) is meshed with the outer side of the worm gear (6). A left disc groove (12) and a right disc groove (12) are formed in the shell wal