Barbed nail roller and cotton cleaning machine

The invention discloses a barbed nail roller and a cotton cleaning machine. The barbed nail roller included in the cotton cleaning machine comprises a shaft; the roller is directly or indirectly arranged on the shaft; the barbed nails are arranged on the roller in an equidistant spiral array mode, and the axis of the equidistant spiral is collinear with the axis of the shaft. The barbed nail roller has better cleaning efficiency. 本发明公开了一种刺钉辊和棉花清理机，其中包含于棉花清理机的刺钉辊包括：轴；辊筒，直接或者间接安装在所述轴上；刺钉，以等距螺旋阵列方式排布在所述辊筒上，所述等距螺旋的轴线与所述轴的轴线共线。基于本发明的刺钉辊具有更好的清理效率。