Powder pressing assembly, powder spreading mechanism and additive manufacturing equipment

The utility model relates to the technical field of additive manufacturing, aims to solve the technical problem that some known powder pressing devices are poor in powder laying quality, and provides a powder pressing assembly, a powder laying mechanism and additive manufacturing equipment. Wherein the powder pressing assembly is used for compacting a powder material on a forming surface, and the powder pressing assembly comprises a mounting frame, a powder pressing roller, a scraper and a rotating piece. The powder pressing roller is rotatably arranged on the mounting frame; the scraper is movably arranged on the installation frame in the adjusting direction, the adjusting direction is perpendicular to or intersects with the forming face, and the scraper and the powder pressing roller are arranged in a spaced mode. And the rotating piece is rotatably connected to the mounting frame and matched with the scraper, and the rotating piece is used for rotating relative to the mounting frame and driving the scraper