Upper back-up roll changing assembly of finishing mill

• Main Authors: ZHENG GUOQING, GAO YUQING, YANG JIN, YU JINGCHENG, ZHENG CHUANSONG, RAO SHENGPING, XIONG WENLI, YU ZHIJIAN, ZHOU FAJIN
• Format: Patent
• Language: Chinese; English
• Published: 06.02.2024
• Subjects: MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; PERFORMING OPERATIONS; PUNCHING METAL; ROLLING OF METAL; TRANSPORTING

The utility model discloses a finishing mill upper back-up roll changing assembly which comprises a bearing seat and an upper back-up roll single body, a main shaft is installed in the bearing seat in a rotating mode, and a butt joint column is fixed to the end, away from the bearing seat, of the main shaft. The protruding columns are fixed to the two ends of the upper supporting roller single body. The double-point-position connecting structures are mounted on the outer walls of the two sides of the bearing seat; and the three-point coating structure is used for connecting the butt joint column and the convex column. Compared with a flange type roller body connection mode, the assembly can reduce the calibration and positioning time of the roller body, directly enables the butt joint columns and the upper supporting roller single bodies to be matched together, reduces the calibration time, improves the operation efficiency of roller installation and roller replacement of workers, guarantees correct installat