Tooth dividing device for saw blade of hand saw

The utility model discloses a tooth dividing device of a hand saw blade, which comprises a workbench and a tooth dividing mechanism installed on the workbench and used for dividing teeth of a saw blade workpiece, and the workbench is provided with a conveying assembly used for conveying the saw blade, a positioning assembly used for calibrating the position of the saw blade and a clamping plate assembly capable of sliding on the conveying assembly. The tooth dividing mechanism comprises an arc-shaped groove plate, an angle swinging assembly and a tooth dividing assembly installed on the angle swinging assembly, the angle swinging assembly is provided with an overturning assembly used for driving the tooth dividing assembly to rotate by 180 degrees, one end of the angle swinging assembly is rotatably installed on the workbench, and the other end of the angle swinging assembly can move in the arc-shaped groove plate. The conveying assembly can convey the clamping plate assembly to the tooth dividing assembly. T