Laser coating heating device

The utility model discloses a laser coating heating device which comprises a heating box and a heating cylinder, a plurality of sliding blocks are connected to the inner bottom of the heating box in a sliding mode, an adjusting mechanism used for adjusting the temperature is arranged on the side wall of the heating box, and the adjusting mechanism comprises a plurality of heat reflection wall bodies arranged on the side wall of the heating box. A cooling pipe is arranged in the heat reflection wall body, a first temperature sensor is arranged on the side wall of the heat reflection wall body, a temperature controller is arranged on the heating box, and the cooling pipe is of a snakelike structure. According to the utility model, the adjusting mechanism is arranged, and the reflecting wall can be regionally cooled according to the corresponding environment temperature, so that the influence of overall cooling on the temperature gradient of the whole heating system is reduced, the coating area forms a constant