Steel pipe inner wall device that degreases on line

The utility model relates to a cold -rolled steel pipe technical field specifically is a steel pipe inner wall device that degreases on line, including setting up at the inside plug of steel pipe, the discharge end of plug is equipped with and draws the pole, it connects to draw the one end of pole on the plug, the other end that draws the pole is connected with the deoiling chock plug, the deoiling chock plug is the round platform structure, the diameter of deoiling chock plug is followed the steel pipe rolling direction is crescent. The utility model discloses simple structure, practicality can degrease to the steel pipe after rolling in rolling steel pipe, have reduced the manufacturing procedure of steel pipe, have improved production efficiency, and the chock plug that degreases in addition is rational in infrastructure, can enough strike off oil totally, can move smoothly in the steel pipe again, prevent that the card dies. 本实用新型涉及冷轧钢管技术领域，具体为种钢管内壁在线除油装置，包括设置在钢管内部的芯棒，所述芯棒的出料端设有引杆，所述引杆的端连接在所述芯棒上，所述引杆的另端连