Clamping tool with rotating function for automobile pipeline welding

The utility model relates to the technical field of automobile part welding, discloses a clamping tool with a rotating function for automobile pipeline welding, and solves the problems that when an existing automobile pipeline production device is used for welding and clamping an automobile pipeline, when the automobile pipeline is fixed, the automobile pipeline cannot be rotated, and the welding efficiency is high. The welding device comprises a clamping sleeve plate, a through hole circular groove and a transmission circular groove are formed in the clamping sleeve plate, the transmission circular groove communicates with the through hole circular groove, switching assemblies are arranged in the through hole circular groove and the transmission circular groove, and the through hole circular groove communicates with the transmission circular groove. A rectangular sleeve plate is arranged at the top of the clamping sleeve plate, and an adjusting assembly is arranged in the rectangular sleeve plate; the automo