Interior polishing device for finish rolling pipe

The utility model relates to the technical field of finish rolling pipe related equipment, in particular to a finish rolling pipe interior polishing device which comprises a box body and supporting legs arranged at the bottom of the box body and used for supporting, one end of the box body is of an opening structure, a motor is arranged at the other end of the box body, and a transmission shaft of the motor penetrates into the box body. A polishing mechanism for polishing an inner hole of the finish rolling pipe is arranged on a transmission shaft of the motor in the radial direction, driving mechanisms are arranged on the two sides of the box body respectively, and the driving mechanisms are connected with clamping plates located in the box body respectively so as to drive the clamping plates to clamp the finish rolling pipe. The adjustable polishing mechanism is arranged to polish the inner walls of clamped finish rolling pipes with different diameters. 本实用新型涉及精轧管相关设备技术领域，尤其是一种精轧管内部抛光装置，包括箱体以及箱体底部设置用于支撑的支撑脚