The utility model discloses an adjustable high-efficient shock attenuation digit control machine tool anchor clamps of interval, including fixing base, shifting chute, fixed foot, first regulation pole, a buffer spring, removal clamp splice, first sensor, adjusting device, second regulation pole, the fixed body of second, fixed block, cylindricality clamp and the 2nd buffer spring, the fixing base both sides are equipped with fixed foot, the upper left end of said fixing base is equipped with the movable block, is equipped with the shifting chute between movable block and the fixing base, said movable block right side is equipped with the first sensor, is equipped with a buffer spring on the left of the first sensor, the movable block left side is equipped with first regulation pole, said movable block right side is equipped with the fixed block, is equipped with adjusting device on the fixed block, said fixed block right side is equipped with the second and fixes the body, is equipped with second regulation pole on the fixed body of second, the internal cylindricality clamp that is equipped with is fixed to the second, the utility model is simple and reasonable in structure, machining efficiency is high, good, the long service life of processingquality.