Patent ID: 9475079
Filing Date: 2016-10-25
CPC Classification: B05B

Claim Text:
1. A cleaning system for automatic paint sprayer, comprising a compressed air supplying device; a solvent supplying device; a diaphragm pump, connected to the solvent supplying device for pumping a solvent from the solvent supplying device at a predetermined pressure; a first conduit, connected to an air output of the compressed air supplying device at a first end of the first conduit; a multiconnector, connected to the first conduit at a second end of the first conduit, and the multiconnector having a plurality of connectors; a third conduit, connected to a first connector of the multiconnector at a first end of the third conduit; a second conduit, provided with a ball valve, a check valve and a pressure meter for measuring pressure inside the second conduit, the second conduit being connected to a second end of the third conduit and a first inlet of a solvent valve to be cleaned at two ends of the second conduit for providing to the solvent valve compressed air at a predetermined pressure, the check valve being located between the ball valve and the first inlet of the solvent valve; a fourth conduit, connected to the diaphragm pump and a second inlet of the solvent valve at two ends of the fourth conduit for providing the solvent to the solvent valve, the fourth conduit being provided with another check valve; a fifth conduit and a sixth conduit, connected to a second and third connectors of the multiconnector respectively at first ends of the fifth and sixth conduits, and to air control orifices of the solvent valves at second ends of the fifth and sixth conduits for air-controlling open and close of valve cores of the solvent valve; a seventh conduit, an eighth conduit and a ninth conduit, connected to a fourth, fifth and sixth connectors of the multiconnector respectively at first ends of the seventh, eighth and ninth conduits, and to air control orifices of a triple valve to be cleaned at second ends of the seventh, eighth and ninth conduits for air-controlling open and close of valve cores of the triple valve; a tenth conduit, a first end of the tenth conduit being connected to an outlet of the solvent valve, a second end of the tenth conduit being connected to two branches both connecting to the triple valve for providing to the triple valve a mixture of compressed air and solvent; an eleventh conduit, connected to the triple valve for outputting the mixture of compressed air and solvent from the triple valve; a twelfth conduit, connected to the eleventh conduit at a first end of the twelfth conduit, and to an inlet of a spray gun at a second end of the twelfth conduit for enabling the mixture of compressed air and solvent to access to the spray gun; and a thirteenth conduit, connected to an outlet of the spray gun for discharging the mixture of compressed air and solvent from the spray gun.