Multifunctional cutter auxiliary device

The utility model provides a multifunctional tool auxiliary device which is used for conducting tool breaking detection, deflection detection and cleaning on a tool and comprises a connecting piece, a tool breaking detection piece, a deflection detection piece and a cleaning piece. The connecting piece is movably connected to the top of the machine table, the cutter breaking detection piece is connected to the connecting piece, the cutter breaking detection piece is used for making contact with the cutter so as to detect the length of the cutter to judge whether the cutter is broken or not, and the deflection detection piece is connected to the position, close to the cutter breaking detection piece, of the connecting piece and used for detecting the deflection of the cutter. The connecting piece is used for detecting whether the cutter deflects or not, and the cleaning piece is connected to the connecting piece and used for cleaning the cutter. The device is easy to operate, the detection and cleaning stroke