Flange connecting type multipurpose side hole processing mechanism

The utility model relates to a flange connecting type multipurpose side hole processing mechanism, which is characterized in that the multipurpose side hole processing mechanism comprises a flange connecting base and a positioning plate; the flange connecting base is connected to a numerical control lathe revolution main shaft; the lower part of the front end face of the flange connecting base is provided with a horizontal platform extending forwardly and horizontally; the horizontal platform is provided with the positioning plate, and the positioning plate is provided with a boss for positioning a part to be processed; the part to be processed is disposed on the boss of the positioning plate in a manner of inner hole positioning; the horizontal platform is provided with a compressing assembly and a positioning assembly, which are used for compressing and positioning the part to be processed on the positioning plate. The flange connecting type multipurpose side hole processing mechanism is advantageous in tha