Heating device for roller fixation machine

The invention discloses a heating device for a roller fixation machine, which comprises a bracket, a roller of which the inner wall is provided with a leaf guide plate, and a speed-adjustable driving mechanism which is arranged on the bracket and is used for driving the roller to rotate, and the heating device comprises a connecting shaft, a connecting plate and a heating assembly, the connecting plates are radially arranged at the front end and the rear end of the inner wall of the roller, the connecting shaft is of a hollow shaft structure and arranged in the roller through the connecting plates, the heating assembly is installed on the connecting shaft, and the power line communicated with the heating assembly is arranged in the connecting shaft and electrically connected with an external power source. And a dehumidifying device communicated with the interior of the roller is also arranged on the outer side surface of the roller. By the adoption of the heating device, the technical problem that an existing