Steel pipe cutting end face burr grinding device for mechanical manufacturing

The utility model discloses a steel pipe cutting end face burr polishing device for mechanical manufacturing, which relates to the technical field of burr polishing devices for mechanical manufacturing and comprises a brake mechanism, a connecting rod piece connected to the bottom of the brake mechanism, limiting adjusting frames arranged at two ends of the connecting rod piece, and connectors movably connected to the bottoms of the limiting adjusting frames. The bottom of the connector is connected with a polishing rod; the polishing rod comprises a limiting groove, a threaded connecting column, a limiting ring, a main rod and polishing stripes, the threaded connecting column is arranged at the top of the main rod, the limiting groove is formed in the top of the threaded connecting column, the limiting ring is arranged between the threaded connecting column and the main rod, and the polishing stripes are arranged on the outer side of the main rod; a user does not need to hold the grinding machine by hand to