Ceramic tube dissembling device for producing colour glass screen

The utility model belongs to the technical field of color glass bulb production, and particularly relates to a ceramic tube dissembling device for producing color glass screens. Two sleeve barrels with inclined end surfaces are sheathed on one end of a mandrel, a cap nut is arranged on the other end of the mandrel via a screw, and the head part of the mandrel is in a T-shaped structure and is embedded in a slot of the sleeve barrel. The bore diameter of the sleeve barrel is greater than the diameter of the mandrel, and a handle is arranged on the sleeve barrel. The utility model has the advantages of time saving, easy use, cheap fabricating cost, obvious effect and flexible operation.