Boron carbide arc-shaped cold-pressed blank water cutting device

The utility model discloses a boron carbide arc cold pressing blank water cutting device which comprises a machine table and a base, table grooves are formed in the front end wall and the rear end wall of the machine table, table channels are arranged in the middles of the table grooves in a penetrating mode, the base is arranged at the inner side ends of the table grooves, a lead screw is arranged in the middle of the base in a penetrating mode, and a penetrating pin is fixed to the side end wall of the base. A locking mechanism is installed at the side end of the penetrating pin, and a collecting and discharging mechanism is arranged in the middle of the machine table in a penetrating mode. The distance between the lock columns and the penetrating pins is adjusted through matched movement of the lock columns and the penetrating pins, the lock columns and the penetrating pins are convenient to control and use, the screw rod is rotated to drive the lock columns in a threaded mode, the lock columns move horizo