Spraying device for aluminium alloy ex -trusions

The utility model provides a spraying device for aluminium alloy ex -trusions, including the spray gun, the upper portion of spray gun has hollow inner chamber, is provided with the gun slot on the lateral wall of spray gun, and the lower part of inner chamber is the spray gun seat, and the top of spray gun seat is provided with inner nozzle, and inner nozzle's central authorities have been provided with the spray tube, and the spray tube stretches out the spray gun seat downwards and stretches into in the matrix bucket, open on the bottom lateral wall of spray gun seat have with the communicating horizontal air flue of perpendicular air flue, be provided with the slope air flue on the spray gun lateral wall of spray gun seat top both sides, horizontal air flue and incline all to have letin high -pressure gas in the air flue, spray gun seat top inner nozzle's side still is provided with the import of metal powder. This spraying device is applicable to the spraying of fluorine carbon,the even beautifulness of