Telescopic mould of preparation carbon fiber

The utility model discloses a telescopic mould of preparation carbon fiber, it comprises collet holder and fixing device, collet holder be the thin cylinder of two parallel placements, realize connecting through the fixing device who is located the collet holder both ends, fixing device constitute by semi -circular clamp, positioner, connecting rod and bolt, wherein semi -circular clamp both sides set up bolt hole, the downthehole bolt of having inserted respectively, the sheet metal of positioner for being equipped with the locating hole is located collet holder both ends, its one end are the semicircle spill agrees with with collet holder mutually, through semi -circular clamp with collet holder connects, the connecting rod alternate in in the locating hole, through selecting suitable locating hole, can make the carbon fiber sleeve of different diameters. The utility model discloses simple structure, convenient to use, easy demoulding have effectively improved the telescopic preparation efficiency of carbon