Adjustable boring cutter handle of machining center

The utility model discloses an adjustable boring cutter handle of machining center, including handle of a knife, broach shell and lock nut, the handle of a knife includes the outer cone parts section on upper portion and the inner cone section of lower part, eccentric structure is personally submitted to the internal cone of inner cone section, just the bottom of inner cone section contain with the thread connection face that lock nut's interior thread to match closed, first locating hole has been seted up on the bottom end of inner cone section, the outer circular conical surface of broach shell is eccentric structure, just the bottom of broach shell contain an external diameter with the installation round platform that lock nut's interior thread to match closed, the installation seted up on the round platform a plurality of with first locating hole matched with second locating hole. In this way, the utility model discloses the fine setting of boring cutter handle can be realized, the range of work of boring