High-power concentric die

The utility model discloses a high-power concentric die. The high-power concentric die comprises a mounting rod, an adjusting unit, a fastening unit, a slot and a connecting shaft, inserting grooves are formed in the top end of the mounting rod in an array mode, and a connecting shaft is fixedly connected to the middle of the rear side face of the mounting rod; adjusting unit: The two adjusting units are arranged on the left side and the right side of the mounting rod correspondingly. Each adjusting unit comprises a handle, a fixing plate, a connecting rod, an inserting block, a reset spring and a sliding block. A through hole in the side surface of the sliding block is slidably connected with the mounting rod; a reset spring is arranged at the top end of the sliding block, the top end ofthe reset spring is connected with the bottom end of a fixing plate, a connecting rod is arranged in the middle of the bottom end of the fixing plate, an inserting block is arranged at the bottom endof the connecting rod, the