Base milling clamp

The utility model discloses a base milling fixture, which relates to the technical field of machining fixtures, and comprises a bottom plate, a left stand column and a right stand column are arranged on the left side and the right side above the bottom plate, pressing mechanisms are arranged on the two sides above the left stand column, a fixing block is arranged above the right stand column, and an abutting mechanism is arranged in the middle of the bottom plate. The pressing mechanism comprises a pressing plate, a bolt column, a pressing nut, a sliding block and a pin column, and the sliding block is movably arranged above the left stand column. The clamp is a special clamp, the operation method is very simple, a base workpiece is inversely buckled in the clamp, the lower surface of the inverted workpiece is limited by the supporting nails, the side of the inverted workpiece is attached by the limiting nails, and the lower portion of the workpiece is abutted through the abutting bolt on the lower portion. A