Automatic three-proofing paint spraying robot for circuit board

The utility model discloses an automatic three-proofing paint spraying robot for a circuit board. The automatic three-proofing paint spraying robot comprises a control box rack, a control box, a three-axis platform, a spray gun connecting assembly and a spraying system, the control box rack is of a cuboid frame structure, and supporting trundles are arranged at the bottom of the control box rack. The three-axis platform is installed on the control box rack and composed of three sets of sliding table modules perpendicular to one another. The three groups of mutually perpendicular sliding table modules are located in the X-axis direction, the Y-axis direction and the Z-axis direction in a rectangular coordinate system, the X-axis direction and the Y-axis direction are located in the horizontal plane, the Z-axis direction is located in the vertical plane, and the spray gun connecting assembly is installed on the sliding table module in the Z-axis direction; meanwhile, the sliding table module in the Y-axis direc