The invention discloses a cleaning device of a floor-sweeping
robot. The cleaning device comprises a base, placement shelves, connecting rods, universal joints, a top cover, a fixed ring, a miniatureelectric motor, a placement groove, a
brush roller, a hinge, electric push rods, a filtering net, a hot air
pipe, an electric
air heater, a ventilation opening, a bearing shelf, a transmission shaft,a material collection hopper, a collection box, a through groove, a pull rod, slide grooves, a miniature motor, lead screws, lead screw nuts and an inclined board. The cleaning device is reasonable instructure, novel in design, easy to operate and convenient to install; through the miniature motor, the placement groove, the
brush roller, the electric push rods, the bearing shelf, the transmissionshaft, the material collection hopper, the collection box, the through groove, the pull rod, the slide grooves, the miniature motors, the lead screws and the lead screw nuts, the bottom of the floor-sweeping
robot is conveniently cleaned through a
brush, impurities such as hair are conveniently removed, the dust and impurities fall into the collection box, and the dust is conveniently collected and discharged, so that the bottom of the floor-sweeping
robot is kept clean, and the hair and the dust are prevented from influencing the cleanliness of the floor-sweeping robot.