Eccentric drive circular saw

The invention relates to an eccentric driving circular saw which is characterized in that a driving motor and a disc saw blade are arranged on a machine body, the disc saw blade is mounted on the machine body, a fixing structure of the disc saw blade is arranged on the machine body, a disc saw tooth disc for executing cutting is mounted on the disc saw blade, and a supporting structure of the disc saw tooth disc is arranged on the disc saw blade; the disc sawtooth disc rotates relative to the installation portion, on the machine body, of the disc saw blade, the drive motor drives the disc sawtooth disc on the disc saw blade to rotate through the transmission structure, and the power receiving position of the disc saw blade and the rotation center of the disc sawtooth disc are eccentrically arranged. The machine body is further provided with a position adjusting structure of the disc saw blade. And the oil supply lubricating structure comprises an oil pot and an oil inlet hole which is connected with the oil p