Selective laser melting additive manufacturing device for annular cartridge receiver type workpieces

The invention discloses a selective laser melting additive manufacturing device for annular cartridge receiver type workpieces, and belongs to the technical field of 3D printing, the selective laser melting additive manufacturing device comprises a rotatable forming cylinder, an annular forming cabin is arranged in the forming cylinder, a forming base plate capable of being adjusted in a lifting mode is arranged in the forming cabin, and the bottom surface of the forming cabin is formed; a laser and a powder falling channel are arranged over the track, rotating along with the forming cylinder, of the forming cabin, the powder falling channel is of a funnel-shaped structure, a scraper is fixed to the edge of a lower port of the powder falling channel, and the scraper is flush with an upper port of the forming cabin. According to the selective laser melting additive manufacturing device for the annular cartridge receiver type parts, continuous printing forming can be achieved, the powder laying time is saved, w