Auxiliary cleaning structure for rear roller of roving frame

The invention relates to an auxiliary cleaning structure for a rear roller of a roving frame. The auxiliary cleaning structure for the rear roller of the roving frame comprises a support rod arranged at the rear part of the rear roller in parallel, wherein a leather ring corresponding to a groove part on the rear roller sleeves the support rod; an elastic body is filled in the leather ring and is positioned on one side, facing the rear roller, of the support rod; and the elastic body supports the leather ring to enable the outer wall of the leather ring to abut against the groove part of the rear roller. According to the structure, fibers wound on the rear roller can be scraped for the first time, so that the fibers are broken or unfolded and can be erased by a velvet belt below the rear roller, the problem that the fibers are wound on the rear roller is effectively solved, the product quality is improved, and meanwhile, the loss of the velvet belt can be reduced. 本发明涉及到一种粗纱机后罗拉辅助清洁结构，包括平行设置于后罗拉后部的支撑杆，支撑杆上套设有