Recovery device for oil mist lubrication

The invention relates to the technical field of oil mist treatment, in particular to an oil mist lubrication recovery device which comprises a shell and a separation mechanism, the shell is fixedly arranged, the separation mechanism comprises an upper cylinder, a lower cylinder and a plurality of sealing plates, the upper cylinder is rotationally arranged in the shell, the rotating axis of the upper cylinder is a first axis, and the lower cylinder is rotationally arranged in the shell around the first axis; the upper cylinder is rotationally connected with the lower cylinder; a plurality of first partition plates are arranged on the inner surface of the upper cylinder; each sealing plate is rotationally arranged on the side, away from the upper barrel, of the corresponding first partition plate, the rotating axis of each sealing plate is a second axis, and the length, in the radial direction of the second axis, of each sealing plate is larger than the distance between every two adjacent first partition plates