Welding rod heat preservation cylinder

A welding rod heat preservation barrel is provided with a heat preservation barrel body, the top of the barrel body is connected with a barrel cover through a hinge, a locking device is arranged on the side, away from the hinge, of the barrel body, and an adjustable base is fixed to the bottom of the barrel body. The adjustable base is provided with a round bottom ring, an outer base plate is fixed on the bottom ring, the outer base plate and the bottom ring are concentric, the diameter of the outer base plate is smaller than that of the bottom ring, the cylinder is fixed on the bottom ring, bolt holes are formed in the circle center of the outer base plate and the circle center of the bottom ring and sequentially penetrate through the bolt holes in the outer base plate and the bolt hole in the bottom ring, and a stop block is fixed to the end, penetrating through the bottom ring, of a bolt. The top of the bolt is fixedly connected with an inner chassis through a bearing. The internal depth of the welding rod