Flat knitting machine

The invention relates to the field of weaving equipment, in particular to a flat knitting machine which comprises a flat knitting machine body for weaving yarn into fabric, the lower portion of the flat knitting machine body is detachably connected with a frame plate, the frame plate is provided with a rotating shaft capable of rotating and a rotating shaft motor driving the rotating shaft to rotate, and the rotating shaft is coaxially connected with a row of branch rotating rings in an inserted mode. Every two adjacent branch rotating rings are coaxially and rotationally connected, the end of the rotating shaft is fixedly connected with a shaft end plate for being rotationally connected with one branch rotating ring, the rotating shaft is fixedly connected with a group of guide sleeves corresponding to each branch rotating ring, and an abutting block capable of abutting against the inner wall of the corresponding branch rotating ring is slidably connected into each guide sleeve; the rotating shaft is provide