Gold label spraying device

The utility model discloses a gold label spraying device, and belongs to the technical field of gold label spraying machine equipment. The metal spraying device comprises a liftable cross beam and two metal spraying assemblies arranged along the cross beam, each metal spraying assembly comprises a sliding block, a moving unit and a fixing unit, and the sliding blocks are arranged on the cross beam in a sleeving mode and are in sliding connection with the cross beam; the moving unit comprises a gear and a rack which are meshed with each other, the rack is fixedly connected with the cross beam, the gear is rotatably connected with the sliding block, and the gear can drive the sliding block to move along the cross beam; the fixing unit comprises a supporting frame and a guiding piece, the supporting frame is arranged on one side of the cross beam and fixedly connected with the cross beam, the guiding piece is detachably connected with the supporting frame, and the spraying pipe is arranged in the guiding piece i