Auxiliary clamp for spherical part of drilling machine tool

The utility model relates to the technical field of auxiliary clamps, in particular to an auxiliary clamp for a spherical part of a drilling machine tool, which comprises a main body, the main body comprises a bottom plate, one end of the bottom plate is connected with a movable frame, one end of the bottom plate is fixedly connected with a support, and one end of the support is fixedly connected with a tray; and the auxiliary mechanism comprises a movable supporting plate, the movable supporting plate is fixedly connected to the surface of the bottom plate, a protective frame is fixedly connected to the surface of the movable supporting plate, a fixed ladder is fixedly connected to the surface of the movable supporting plate, and a scale distance ruler is fixedly connected to one end of the protective frame. The protection frame is fixed under the action of the movable supporting plate, the fixed ladder is fixed under the action of the movable supporting plate, the scale distance ruler is fixed under the act