Oiling device for DTY (Draw Textured Yarn) production

The invention discloses an oiling device for DTY (draw textured yarn) production, which comprises an oil storage tank, an oiling tank, an impurity removal tank and an oil return tank, the oiling tank, the impurity removal tank and the oiling tank are connected from top to bottom, the impurity removal tank and the oil return tank are separated or communicated through a first valve, an inclined partition plate is fixed in one side of the oiling tank, and a slidable moving plate is arranged on the partition plate; the moving plate is matched with the partition plate to divide the upper oil tank into an upper tank chamber and a lower tank chamber, the oil storage tank is connected with the oil return tank through a first pipeline, the oil return tank is connected with the upper tank chamber through a second pipeline, a driving roller and an oil spraying mechanism used for washing the driving roller are arranged in the upper tank chamber, and the oil spraying mechanism is connected with the oil storage tank throug