The invention provides a main cotton
carding roller shaft bearing seat
airflow protective device of a
carding machine and belongs to the technical field of non-
woven fabric machines. The
carding machine comprises a base, two main cotton carding roller
supporting wall plates fixed to the two sides of the base, roller shaft bearing seats arranged on the tops of the main cotton carding roller
supporting wall plates, a main cotton carding roller supported by the roller shaft bearing seats and main cotton carding roller side protective covers fixed to the upper portions of the main cotton carding roller
supporting wall plates. The main cotton carding roller shaft bearing seat
airflow protective device comprises a groups of blades. The group of blades are distributed in a radial state and fixed to the end face of the side, facing the main cotton carding roller side protective covers, of the main cotton carding roller. The main cotton carding roller shaft bearing seat
airflow protective device can prevent fibers from escaping from the ends of the main cotton carding roller to the roller shaft bearing seats, reduce
oil consumption, guarantee the overall simplicity and the appearance effect of the carding
machine, guarantee that the thicknesses of a web laid by a web laying net on a following-up
station are even, and lighten the detection and maintenance load of a manufacturer adopting the carding machine.