Four-roller adjusting device of rolling mill

The utility model discloses a rolling mill four-roller adjusting device, which relates to the technical field of rolling mill equipment, and comprises a four-roller rolling mill, the surface of the four-roller rolling mill is fixedly connected with a centering box, the upper surface of the centering box is provided with a sliding chute, the inside of the sliding chute is connected with two sliding blocks in a sliding manner, and the two sliding blocks are arranged in the sliding chute. The rolling mill four-roller adjusting device comprises two sliding blocks, threaded rods are connected into the two sliding blocks in a threaded and sleeved mode, threads opposite in direction are formed in the left end and the right end of each threaded rod, through grooves are formed in the surfaces of the sliding blocks, grooves are formed in the top walls of the through grooves, and pressing devices are arranged in the grooves. And the rollers can be driven to rotate on the surface of the rotating shaft through the frictio