Metal circle cutting machine for flange machining

The utility model discloses a metal circle cutting machine for flange machining, and relates to the technical field of circle cutting. Buffer assemblies are fixedly connected to the four corners of the upper surface of the bottom plate correspondingly. The limiting unit is installed at the top ends of the four buffer assemblies. The U-shaped plate installed on the rear side of the bottom plate is installed above the limiting unit. The cutting unit comprises a second motor, a motor supporting plate, a rectangular rod, a through groove, a rectangular plate, a fastening bolt, a connecting sleeve, a fixing column, a motor protection shell, a third motor and a cutting drill bit, and an opening in the front end of the U-shaped plate is fixedly connected with the left side and the right side of the motor supporting plate. According to the round cutting machine, circles of different sizes can be cut, machined parts of different sizes can be cut, a drill bit is not prone to damage, and the stability is good. 本实用新型公开了一