Device for preventing coiled material from deviating

The utility model discloses a device for preventing a coiled material from deviating, which comprises a paper tube, a coiled film, an air swelling shaft and a deviation preventing device, the coiled film is wound on the paper tube, the paper tube is sleeved on the air swelling shaft, the detachable deviation preventing device is arranged on the paper tube on two sides of the coiled film, and the paper tube is sleeved on the air swelling shaft. The anti-deviation device comprises fixing clamps, a pin shaft, locking pieces and blocking rods, one ends of the two fixing clamps are movably connected through the pin shaft, the other ends of the two fixing clamps extend outwards to be provided with locking blocks, threaded holes are formed in the two locking blocks, the locking pieces are rotatably connected to the threaded holes, and the two blocking rods extending outwards are installed on the two fixing clamps. By means of the mode, the device is simple in structure and ingenious in design, raw materials can be p