Spraying device and coating method

The spraying device for atomizing paint and coating the paint on a coated object comprises a front end part and a rear end part, the coating device is provided with a coating supply port for supplying coating, an atomizing air supply port for supplying air for atomizing the supplied coating, and a plurality of pattern air supply ports for supplying pattern air for adjusting the spraying amplitude of the supplied coating on a coated object. And respective first twisted supply paths to respective pattern air supply ports; and a baffle plate which is disposed adjacent to the outer side of the plurality of pattern air supply ports and protrudes from the lower surface of the spraying device toward the object to be coated in order to prevent the inflow of air outside the outer side wall of the spraying device. 使涂料雾化并涂布于被涂装物的喷雾装置包括：前端部，其设置有用于供给涂料的涂料供给口、供给用于使所供给的涂料雾化的空气的雾化空气供给口、供给用于调整将所供给的涂料对被涂装物进行喷雾的幅度的图案空气的多个图案空气供给口、以及至各图案空气供给口的各个第一扭曲供给路径；和挡板，其与多个图案空气供给口的外侧相邻地设置，为了防止喷雾装置的外侧壁的外侧的空气的流入而从喷雾装置的下表面朝向所述被涂装物突出。