Dot-matrix character code spraying device

The utility model discloses a dot matrix character code spraying device which comprises a frame body, a conveying mechanism and a character code spraying mechanism are arranged on the frame body, the conveying mechanism is arranged below the character code spraying mechanism, and the character code spraying mechanism comprises a lifting plate, a bidirectional lead screw, two driving blocks, two curved bars and a first driving piece. The two ends of the lifting plate are installed on the frame body in a longitudinal sliding mode, an ink-jet printer is arranged at the bottom of the lifting plate, the two-way lead screw is rotatably installed on the frame body and located above the lifting plate, and the two driving blocks are installed outside the two-way lead screw in a threaded mode. The code spraying device can be suitable for code spraying work of workpieces of different specifications, the code spraying precision is improved, the code spraying machine is driven to ascend and descend through the two-way lea