Guide cylinder device for rolling steel pipe

• Main Authors: ZHANG HONGJUN, QI ZEQUAN, ZHU HONG'AN, SHAO FU'AN, ZOU YINGDONG, HE ZHICONG, LIU YUANSONG
• Format: Patent
• Language: Chinese; English
• Published: 24.08.2021
• Subjects: MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; PERFORMING OPERATIONS; PUNCHING METAL; ROLLING OF METAL; TRANSPORTING

The invention provides a guide cylinder device for rolling a steel pipe. A steel pipe is located in a guide cylinder during rolling, the bottom of the guide cylinder makes contact with two rows of long guide rollers, the two rows of long guide rollers can support the guide cylinder, and the axes of the two rows of long guide rollers are parallel to the axis of the guide cylinder; the guide cylinder is used for supporting and guiding the steel pipe in the rolling process; and a lifting conveying roller can ascend and descend, and after the lifting conveying roller ascends, the roller face of the lifting conveying roller can enter the guide cylinder. The guide cylinder device is arranged on the two long guide rollers at the back stage of a pipe mill, when the outer diameter of a steel pipe needing to be rolled is smaller than phi 219, the guide cylinder device can support and guide the steel pipe, the situation that the guide cylinder is shifted or thrown out due to swinging after the steel pipe is rolled to be