Brushing mechanism and wall surface spraying device

The invention discloses a brushing mechanism and a wall surface spraying device, and belongs to the technical field of building decoration equipment, the brushing mechanism comprises a base, a spraying structure and a scraping and grinding structure, the base is provided with a moving structure, the spraying structure and the scraping and grinding structure are both mounted on the moving structure, the base is provided with a material storage box and a water storage box, the spraying structure comprises a coating roller and a nozzle, the coating roller and the nozzle are installed on the moving structure, the nozzle is located below the coating roller, a slurry pump and a water suction pump are arranged on the base, and the two ends of the slurry pump are connected with the nozzle and the storage box correspondingly; the scraping and grinding structure comprises a water sprinkler and a scraping and grinding part, the water sprinkler is located above the scraping and grinding part, and the two ends of the wate