The utility model discloses a hot melting kettle device for hot melting road marking, which comprises a hot melting module, the hot melting module comprises an outer shell, an inner kettle body, a stirring mechanism and a heating mechanism, the hot melting kettle device also comprises a material storing and feeding module, the material storing and feeding module comprises a material storing box and a feeding
machine, the material storing box is internally provided with a material storing bin, the top of the material storing bin is provided with a feeding port, and the feeding
machine is provided with a feeding port. The bottom of the storage bin is communicated with the lower portion of the corresponding feeding
machine, a
butt joint opening is formed in the upper portion of the outer shell and is in
butt joint with the feeding machine, the inner kettle body is arranged in the outer shell, an output opening is formed in the rear portion of the outer shell, and the inner side of the output opening is communicated with the inner kettle body; the door opening and closing
assembly comprises a door frame, a door plate and a driving mechanism, the door frame is fixedly arranged at the output port of the outer shell, the door plate movably abuts against the output port, the door plate is driven to be opened and closed through the driving mechanism, and the
power module comprises a
diesel engine, a generator, an
oil pump and a flow control valve and is controlled by the controller.