Intelligent jet printing device for heavy truck cab

In order to solve the problems of complex spraying operation, low efficiency, poor spraying effect and the like of the heavy truck cab, the utility model provides an intelligent spraying device for the heavy truck cab, which comprises a fixed support, a movable support, a movable support, a movable support, a movable support and a driving device, and is characterized in that the fixed support is composed of a stand column, a cross beam and a longitudinal beam, and the cross beam and the longitudinal beam are fixedly connected above the stand column; a transverse sliding rail is connected below the longitudinal guide rail in a sliding manner; the jet printing device is connected to the lower portion of the transverse sliding rail in a sliding mode and is composed of a jet printing support, a movable module assembly, a positioning device and a control box, and the movable module assembly comprises a sliding support fixedly connected to the interior of the jet printing support, a jet printing head and a driving