Universal pneumatic clamping tool for numerical control lathe machining center

The utility model discloses a universal pneumatic clamping tool for a numerical control lathe machining center, which comprises a fixing seat, a plurality of fixing holes I and fixing holes II are arranged on the upper surface of the fixing seat, the fixing holes I are arranged side by side at intervals, a cylinder I is arranged between every two adjacent fixing holes, the cylinder I is provided with a piston rod I, and the piston rod II is provided with a piston rod II. The first piston rod vertically and upwards penetrates through the upper surface of the fixing base, the first piston rod is rotationally connected with a rotating arm, the air cylinders II are arranged in one-to-one correspondence with the second fixing holes, the air cylinders are provided with second piston rods, the second piston rods vertically and upwards penetrate through the second fixing holes and then are provided with pressing pieces, and the pressing rods abut against the bottoms of the pressing pieces. The clamping device is simp