Automatic cleaning mechanism of scale-free intelligent steam box

The utility model belongs to the field of steam boxes, and particularly relates to an automatic cleaning mechanism of a scale-free intelligent steam box, which comprises a steam box and a water tank which are arranged in a split manner, a box door is rotatably mounted on the front surface of the steam box, and a convex steam connecting pipe is mounted on the side wall of the steam box; the water tank is connected to a water supply pump through a pipeline, the water supply pump is connected to a heater through a pipeline, and the output end of the heater is connected to the steam box through a steam connecting pipe; a cleaning mechanism is arranged between the steam box and the water tank, the cleaning mechanism comprises a descaling agent tank, a descaling water pump and a cleaning electromagnetic valve, and the descaling agent tank is installed in the steam box; the descaling agent tank, the descaling water pump, the heater, the cleaning electromagnetic valve and pipelines connected among the descaling agent