The invention provides an automatic paint spraying
assembly line for plastic parts. The automatic paint spraying
assembly line comprises an automatic paint spraying
station rotary disc, a closed paintspraying chamber, a feeding frame and a
drying tunnel. The automatic paint spraying
station rotary disc comprises a rotary disc mounting frame and a rotary disc mounted in the rotary disc mounting frame. The rotary disc mounting frame is provided with a round tray with a vertical side wall, and a supporting frame. The rotary disc comprises a fixed disc with a vertical side wall arranged on the edge, and a
rotating disc, and the
rotating disc is mounted in a sliding rail. The
rotating disc is provided with multiple stations, and workpiece clamping tools are arranged in the stations. An inner gear engaged with a power gear is arranged on the bottom face of the rotating disc. The fixed disc is provided with a tool power gear engaged with tool gears. An automatic paint spraying
robot is further arranged on the fixed disc. The portion, provided with the automatic paint spraying
robot, of the automatic paint spraying
station rotary disc is located in a body. The feeding frame is put on theside, close to a feed port, of the automatic paint spraying station rotary disc, and the
drying tunnel is put in the side, close to a
discharge port, of the automatic paint spraying station rotary disc. Automatic paint spraying of the plastic parts is achieved.