Fixing device for composite pipe production

The utility model discloses a fixing device for composite pipe production, which belongs to the field of composite pipe production and processing and comprises a mounting plate, a moving component is mounted on one side of the mounting plate, a rotating component is mounted on one side, far away from the moving component, of the mounting plate, and fixing components are mounted on the moving component and the rotating component. The fixing assembly comprises a rotating shaft, a mounting disc, a rotating disc, an abutting plate and a moving rod, the mounting disc is sleeved with the composite pipe, the rotating disc drives the abutting plate to rotate by rotating the rotating disc, the abutting plate abuts against the moving rod, the moving rod extends out of the mounting disc, the moving rod drives an abutting block in the moving process, and the abutting block can abut against the inner wall of the composite pipe; the composite pipe is fixed from the inside through the fixing device, when the composite pipe