Painting device for shipbuilding

The utility model relates to the technical field of ship spraying, in particular to a painting device for ship manufacturing, which comprises a shell, a movable rod, a first connecting rod, a second connecting rod, a threaded rod, a sliding plate, a limiting plate and a first spring, the movable rod is provided with a threaded through hole, one end of the threaded rod is provided with a limiting disc, and the sliding plate is provided with a limiting shaft. A limiting hole is formed in the limiting plate, and four fixing holes matched with the limiting plate to work are formed in the shell. According to the painting device for ship manufacturing, the threaded rod, the sliding plate, the sliding block, the first spring and the fixing hole are matched, so that the function that the position of the working rod can be fixed after the working rod is rotated is achieved, and the problem that in the using process, due to the fact that a movable rod is rotated to enable a spray head to work, the spray head cannot wor