Fixing tool for welding automobile seat backrest framework

The utility model provides a fixing tool for welding an automobile seat backrest framework, which comprises a rotating motor, a threaded rod, a moving plate, a fixing block, a locking box, a locking pipe, a lower clamping block, an upper clamping block, a fixing plate and a fixing chuck, the rotating motor is arranged in an adjusting box, the threaded rod is clamped on the upper end face of the rotating motor, the moving plate is clamped on the annular side face of the threaded rod, and the locking box is arranged on the moving plate. A locking box is arranged on the upper end face of the movable plate, a locking pipe is clamped on the right end face of the movable plate, a fixing block adheres to the right end face of the locking pipe, a lower clamping block adheres to the right end face of the fixing block, an upper clamping block is arranged on the upper end face of the lower clamping block, a fixing plate is clamped in the fixing block, and a right fixing clamping head is arranged in the fixing block. Acc