Spun-bonded non-woven fabric spinning box

The utility model discloses a spunbond non-woven fabric spinning box, a cleaning device is further arranged in the spinning box body, the cleaning device comprises a cleaning ring sleeve and a driving device, a water scraping ring and a brush ring which are distributed in an up-down structure are arranged in the cleaning ring sleeve, and the water scraping ring is divided into a left scraping ring and a right scraping ring. A V-shaped notch is formed in the portion where the left scraping ring and the right scraping ring abut against each other, two first springs are arranged on the back face of the left scraping ring and the back face of the right scraping ring respectively, a buffer bolt is arranged between the two first springs, the other ends of the first springs are fixed to the inner ring wall of the cleaning ring sleeve, and a buffer groove allowing the buffer bolt to penetrate is further formed in the inner ring wall of the cleaning ring sleeve. The brush ring comprises a left side brush ring and a ri