Fecha de publicación: 19/04/2017 Fuente: WIPO Food Portada The utility model provides a device that oils that polylactic acid fiber sprinning was used, belongs to the auxiliary facilities technical field of spinning equipment. Including the food tray, establish on the food tray support, the food tray supplies oil pipe, is connected with the food tray bottom plate, and this food tray supplies oil pipe's confession oil pipe oil -out to visit the food tray intracavity of food tray, oil feeding wheel, the supporting is in the frame of polylactic acid spinning machine, and oil feeding wheel axle and oil feeding wheel drive arrangement are connected just oil feeding wheel's lower part and visit into to the food tray intracavity, characteristics: still the finish in is used for making the food tray forms the food tray finish self -loopa adjustment mechanism and a food tray finish liquid level control screw that is used for the finish liquid level in the pilot oil dish of self -loopa, and the self -loopa of food tray finish adjustment mechanism be connected with the food tray bottom plate, and while and food tray chamber and the oil tank that provides the finish for the oil pump communicate with each other, and food tray finish liquid level control screw sets on food tray finish self -loopa adjustment mechanism. Avoid the finish to become rotten and influence the polylactic acid fibre, the messenger just obtains the adjustment by the liquid level of the finish of food tray intracavity.