Sealing device for isostatic pressing forming of barrel

The utility model relates to the technical field of sealing devices, in particular to a sealing device for isostatic pressing of a barrel, which comprises the barrel, an outer frame is fixedly sleeved at the top end of the barrel, clamping structures are arranged at four top corners of the outer frame, and an adjusting component comprises a sealing ring and a sealing cover which are mounted at the top of the barrel. And inner cavities of the sealing ring and the sealing cover are fixedly sleeved with hanging rods, a first rotating plate and a second rotating plate are arranged on the side portions of the hanging rods, a servo motor is installed between the first rotating plate and the second rotating plate, and an air cylinder is installed at the bottom end of the servo motor. According to the ceramic cylinder clamping device, the defects in the prior art are overcome, the ceramic cylinder is placed in the inner cavity of the outer frame, then the bolts are adjusted, and when the bolts rotate, the rotating bl