Device for improving optical fiber curing degree and reducing abnormal appearance of optical fiber

The utility model relates to a device for improving optical fiber curing degree and reducing optical fiber appearance abnormity, which comprises a UV (ultraviolet) central tube, and an air inlet mechanism and an exhaust mechanism which are arranged at two ends of the UV central tube, the air inlet mechanism comprises an upper air inlet seat and a lower air inlet seat which are fixedly connected through a bolt, and a cover plate which is in threaded sealing connection with the top end of the upper air inlet seat; a second cavity is defined by the lower air inlet seat, the upper air inlet seat and the partition plate, a second air inlet hole communicated with the second cavity is formed in the upper air inlet seat, a rotating hole connected with an air inlet plate bearing is formed in the lower air inlet seat, a first through hole is formed in the air inlet plate, and a second through hole is formed in the upper air inlet seat. And the first through hole is communicated with the second cavity. Nitrogen can vert