Liquid metal printer

The utility model discloses a liquid metal printer. The liquid metal printer comprises a first working surface and a second working surface which are continuous, wherein the printing mechanism, the repairing mechanism, the chip mounting mechanism and the welding mechanism conduct independent operation in the area above the first working face, and the packaging mechanism conducts operation in the area above the second working face. And a base material moving mechanism and an image acquisition mechanism. The repairing mechanism comprises a fiber wiping head, a container filled with a wiping agent and an electric control lifting mechanism; the bottom of the fiber wiping head is used for wiping the target liquid metal on the surface of the base material, the other part of the fiber wiping headis in contact with the wiping agent in the container, and the fiber wiping head is kept with the wiping agent through permeation; the electric control lifting mechanism is connected with the fiber wiping head in a matched mo