Thread milling lathe cutter arbor with high stability

The utility model provides a thread milling lathe cutter arbor with high stability, belongs to the spiral and mills machine tool technical field for improve the machining precision of work piece. Its technical scheme is: threaded on its the cutter arbor lower part outer wall, the adjusting nut suit is on the screw of cutter arbor outer wall, and adjusting nut's lower terminal surface is relative with the last top surface of thread milling vertical scroll hole, and there is the mounting hole at the cutter arbor middle part, and milling cutter inserts in the mounting hole, and the ejector pin is inserted in the hole of the upper portion of cutter arbor, and the lower extreme of ejector pin pushes up in milling cutter's upper end, and the housing pin revolves in the interior pore wall of cutter arbor upper end, and the lower extreme of housing pin top is on the last top surface of ejector pin. The utility model discloses the adjustment of the mounted position of cutter arbor can be convenient and fast ground not