Closed carbon fiber precursor atomizing and oiling device

The utility model discloses a closed carbon fiber precursor atomization oiling device. The device comprises a traction drive, a fixed tension rod, a beating roller and a pressing roller which are arranged in a closed box body, traction drives are arranged at the two ends of the closed box body, a plurality of fixed tension rods and beating rollers are sequentially arranged between the two traction drives at intervals in the wire feeding direction, a pressing roller is arranged on the traction drive arranged at a wire outlet of the box body, an air suction fan is arranged at the top end of the closed box body and communicated with a waste air discharging pipe, and a spraying head is arranged below the air suction fan. Suction fans are symmetrically arranged at the bottom ends of the two sides of the closed box body. The spraying head is connected with the circulating pump; and an oil inlet pneumatic valve is arranged and is connected with the liquid level detection device. The oiling agent monofilament oiling