Part machining device and tool material bearing table thereof

The invention relates to a part machining device and a tool bearing platform thereof.The tool bearing platform comprises a mounting base and a plurality of supporting mechanisms movably connected with the mounting base in the first direction, each supporting mechanism comprises a supporting base and a plurality of supporting units, and the supporting units are movably connected with the supporting base in the second direction; the supporting unit comprises a movable seat and a supporting rod, the supporting rod can move in the third direction relative to the movable seat, the first direction and the second direction intersect and are both perpendicular to the third direction, and locking structures used for locking the relative positions of the supporting seat and the installation seat, the movable seat and the supporting seat and the supporting rod and the movable seat are arranged between the supporting seat and the installation seat. And the supporting rod is fixed relative to the mounting seat. According