Manual teeth-welding machine

The utility model relates to the machine manufacturing field and provides a manual teeth-welding machine. The manual teeth-welding machine comprises a rack. A saw blade chuck, a guide rail and a sliding platform are arranged on the rack, wherein a saw blade is arranged on the saw blade chuck; the sliding platform is in sliding fit with the guide rail; a welding gun and a saw-tooth alloy block fixed support table are arranged on the sliding platform; one end of the saw-tooth alloy block fixed support table adjacent to the saw blade chuck is positioned outside the sliding platform; and the spraying direction of the flame of the welding gun faces to one end of the saw-tooth alloy block fixed support table adjacent to the saw blade chuck. During the repair, the saw blade is fixed by the saw blade chuck; and a saw-tooth alloy block is placed on the support table and then is subjected to welding repair. The manual teeth-welding machine has the advantages of simple structure and low cost and can satisfy the repair f