Semi-automatic hydraulic bending machine and use method

The invention relates to a semi-automatic hydraulic bending machine. The semi-automatic hydraulic bending machine mainly comprises a base, vertical rods, a horizontal beam, a pressing rod, a connection rod mechanism, a balance weight, hydraulic cylinders and a hydraulic system, wherein the upper portion of the base is provided with a concave mold, the vertical rods are welded on the base, the number of the vertical rods is four, the vertical rods are provided with the horizontal beam in a welded manner, the pressing rod is arranged below the horizontal beam through the hydraulic cylinders andcan slide along the vertical rods, the lower portion of the pressing rod is provided with a convex mold, one end of the connection rod mechanism penetrates through the horizontal beam to be connectedwith the pressing rod, the other end of the connection rod mechanism is connected with the balance weight, and the hydraulic system is used for controlling the hydraulic cylinders to act. The semi-automatic hydraulic bending m