Positioning tool for assisting wood board punching

The utility model relates to the technical field of square timber connection, in particular to a positioning tool for assisting wood board punching. Comprising a first positioning plate and a second positioning plate, a punching hole is formed in the first positioning plate, the second positioning plate is arranged below the first positioning plate in a sliding mode, the first positioning plate and the second positioning plate are arranged in an attached mode, a punching positioning groove is formed in the front end of the first positioning plate, the punching positioning groove is a U-shaped groove, and the width of the punching positioning groove is matched with that of a wooden wedge. According to the device, accurate positioning can be carried out according to the position of the perforated square timber, it is guaranteed that the newly-perforated position is consistent with that of the former, construction is convenient and fast, and the drilling speed and the position accuracy are improved. In the using