Closed paint spraying device

The utility model discloses a closed paint spraying device which comprises a machining table, a protective cover, a driving mechanism, a distribution box, a paint spraying mechanism, a drying mechanism and closing doors, the protective cover is erected on the top face of the machining table, the closing doors are arranged at the two ends of the protective cover, the driving mechanism is arranged in the protective cover, and the distribution box to be painted is placed in the driving mechanism. A paint spraying mechanism and a drying mechanism are sequentially arranged at the extending end of the driving mechanism, the paint spraying mechanism is composed of paint boxes, a first paint spraying set and a second paint spraying set, the paint boxes are arranged on the outer side face of the protective cover, the number of the paint boxes is two, and the first paint spraying set and the second paint spraying set are connected with the paint boxes through pipelines and pumps. The closed paint spraying device solves