Automatic feeding device and automatic discharging device of plastic spraying production line

The utility model discloses an automatic feeding device and an automatic discharging device of a plastic spraying production line. The automatic feeding device comprises a conveying chain and a plurality of hanging hooks hung on the conveying chain, wherein the operation direction of the conveying chain is the X direction, the direction vertical to the operation direction of the conveying chain in the horizontal plane is the Y direction, the automatic feeding device also comprises a position sensor, a first position limiting device, a second position limiting device and a feeding robot, wherein the first position limiting device is used for limiting the displacement of the hanging hooks in the Y direction, the second position limiting device is used for limiting the displacement of the hanging hooks in the X direction, the feeding robot is used for hanging workpieces on the hanging hooks and comprises a mechanical arm and a mechanical claw connected onto the mechanical arm, and the position sensor, the second position limiting device and the feeding robot are connected through communication signal circuits. Through the automatic feeding device and the automatic discharging device provided by the utility model, the number of works can be decreased, the work intensity is reduced, and the work efficiency is improved.