Automatic paint spraying equipment special for valve machining

The utility model relates to automatic paint spraying equipment special for valve machining, and belongs to the technical field of valve machining. In order to solve the problem that the paint spraying efficiency is reduced due to the fact that paint spraying can only be conducted on one valve during paint spraying and then a new valve is replaced after paint spraying is dried, the paint spraying operation is suspended during valve replacement, the following technical scheme is provided: the paint spraying device comprises a paint spraying box, and a paint spraying chamber is formed in the paint spraying box; a first drying chamber and a second drying chamber are formed in the positions, located on the two sides of the paint spraying chamber, of the paint spraying box correspondingly, a sliding rail is fixedly installed at the bottom of the inner side of the paint spraying box, and a first fixing table and a second fixing table are slidably installed on the sliding rail correspondingly. According to the utili