Horizontal three-part circular saw machine

The utility model relates to a horizontal three-part circular saw machine. The circular saw machine is provided with three driving devices of A, B, and C, wherein, a vertical movement screw nut in the driving device B is fixed on the upper horizontal plate of a box body in the driving device A, the dovetails of the front and back panels of the box body are matched with the dovetail grooves of an upstanding supporting frame in the driving device B, a horizontal movement screw nut in the driving device C is fixed on the right lower part of the upstanding supporting frame in the driving device B, and the dovetail of the bottom end of the upstanding supporting frame is matched with the dovetail groove on a horizontal guide rail in the driving device C. The machine has the advantages of small area occupation, low cost, low energy consumption, simple structure, and convenient maintenance, and is suitable for rebuilding of the existing timber mills.