Board repair assisting device

The invention provides a board repair assisting device. The board repair assisting device is composed of a shaft rod, bearings, a disc, an arrow strip and a jackscrew and is characterized in that the disc is arranged on the shaft rod, the large bearing connected with the shaft rod is arranged in the disc, a dovetail groove is formed in the surface of the disc, the arrow strip is arranged in the dovetail groove, and the small bearing and the jackscrew are respectively arranged on the arrow strip. When the board repair assisting device is used, the board repair assisting device is installed at the position of a central hole formed in the table top of a routing device, a long straight cutter or a flat-bottomed cutter of the routing device are used for optionally digging a shape at the position of a rotten core or a large joint of a board, then the board is overturned on the table top of the routing device, and a piece of wood is selected from short wood waste according to the dug shape and is fixed to the back side of the dug shape. The dug shape for the board repair assisting device serves as a mold, the wood is dug from the short wood waste to be inlayed into the dug shape, and the whole operation process is completed. The board repair assisting device has the advantages of being scientific in structure, simple and convenient to install, low in manufacturing cost and convenient to use.