Eyeglass rubber plate corner sanding device

The utility model discloses a glasses rubber plate corner sanding device which comprises a sanding machine shell provided with an inner cavity. The grinding wheel is driven by a motor and is rotationally mounted on the sanding machine shell; the multiple air inlet holes penetrate through the sanding machine shell and communicate with an inner cavity of the sanding machine shell; the negative pressure air suction mechanism is used for enabling the air inlet hole to generate negative pressure to suck the chippings into the inner cavity of the sanding machine shell; the groove is formed in one side of the sanding machine shell and is sunken towards the interior of the sanding machine shell; the groove opening is formed in the bottom of the groove and used for containing the grinding wheel, and the air inlet holes are located in the inner walls of the opposite sides of the groove respectively. And chippings generated when the grinding wheel sands the glasses rubber plate are sucked into the sanding machine shell