Special-shaped part machining clamp

The utility model discloses a special-shaped part machining clamp. Bottom plate, a clamping structure is arranged on the bottom plate; the pressing plate is movably arranged on the screw A in a sleeving manner; the nut A is in threaded connection with the upper end of the screw rod A; the cushion block is arranged between the pressing plate and the bottom plate; the rectangular groove is formed inthe lower surface of the bottom plate; the notch is formed in the upper surface in the rectangular groove; the through holes are formed in the surfaces of the two opposite sides in the rectangular groove, the bearings are fixedly arranged in the through holes in a sleeved mode, the lead screws are fixedly arranged in the bearings in a sleeved mode, the sliding sleeve blocks are connected to the lead screws in a threaded mode, the notches are formed in the upper ends of the sliding sleeve blocks, and the sliding blocks are connected to the upper surfaces of the sliding sleeve blocks. The special-shaped part machining