Heat insulation coupling sleeving device

The utility model provides a heat insulation coupling sleeving device, and relates to the technical field of heat insulation coupling production, the heat insulation coupling sleeving device comprises a machine tool body, one side of the machine tool body is provided with a processing cavity, and the processing cavity is internally provided with a coupling main body and a coupling sleeve; the machining assembly comprises a stepping motor fixed to one side of the machine tool body and a three-jaw centering chuck installed at one end of the coupling body, one end of the stepping motor extends into the machining cavity and is fixed to one end of the three-jaw centering chuck, and an air cylinder is installed at the top end of the machine tool body; through the arrangement of the machining assembly, clamping and limiting between the three-jaw centering chuck and the coupling body can be achieved, rapid winding between the coupling body and a composite material roll is ensured, the pushing check block can push the