Paper cup manufacturing device

The utility model discloses a paper cup manufacturing device which comprises a support and a worktable. The worktable is mounted on the support. The paper cup manufacturing device is characterized in that a turntable is mounted on the worktable, mold cavities are mounted on the turntable, an edge folding sleeve and a forming sheet are respectively mounted on the periphery of the turntable, the edge folding sleeve can be pushed by a first cylinder, and the forming sheet can be pushed by a second cylinder to act at the bottoms of the mold cavities; a third cylinder is further mounted at a side edge of the turntable, a shape sleeve which is used for taking out paper cups in the mold cavities is mounted on the top of the third cylinder, and an edge sealing hot stick is arranged above the shape sleeve. Compared with an existing paper cup manufacturing machine, the paper cup manufacturing device has the advantages of simple structure, low cost and broad market prospect.