Drilling and milling clamp for thin-wall flat plate workpiece

The utility model discloses a thin-wall flat plate workpiece drilling and milling clamp which is characterized by comprising a clamp main plate, positioning pins are arranged on the top face of the clamp main plate along a set of opposite angles, a plurality of suction cup supporting bodies are arranged in the middle of the top face of the clamp main plate side by side, and a plurality of supporting columns are arranged on the peripheral edge of the top face of the clamp main plate. A pressing plate driven by a lever cylinder is arranged above each supporting column, a gap bridge plate is arranged above each suction cup supporting body, the two ends of the gap bridge plate are limited on the clamp main plate through positioning blocks, and a plurality of pressing screws are distributed on the gap bridge plate in the length direction. The fixture has the beneficial effects that the fixture is suitable for drilling and milling of thin-wall flat workpieces, the positioning accuracy of the workpieces is high, the