The utility model discloses a swift formula hydraulic bending machine, including bender main part, mounting groove, lower mould, air vent, connecting plate, lug, compression spring, trapezoidal fixedblock, mounting panel, screw rod, spacing ring, hand wheel and screw hole, the mounting groove has been seted up to the base top surface, and the air vent has evenly been seted up to the inside one side of lower mould, and the connecting plate bottom is provided with compression spring, and trapezoidal fixed block one side evenly begins to have the fixed slot, the inside screw rod that is providedwith of fixed orifices, the utility model discloses an air vent has been seted up to groove one side of bending of lower mould, and the wind belt that utilizes the air vent to blow off walk the to bend piece of inslot prevents that the piece from accumulating in the inslot of bending, and the machine clearance of need not stopping, does not influence the efficiency of bending, and the lower mouldis fixed through connecting plate and trapezoidal fixed block, and trapezoidal fixed block is fixed through the installation, rotates the hand wheel and can make lower mould and mounting groove separation, and can take out the lower mould this moment, accomplishes and dismantle the lower mould, change and the maintenance lower mould very convenient.