Machining tool for high-strength connecting flange of forged engineering oil cylinder

The utility model discloses a forging type engineering oil cylinder high-strength connecting flange machining tool which comprises a lower die base, guide columns are installed on the lower die base and located at the four corners of the lower die base respectively, guide sleeves are arranged on the outer walls of the tops of the guide columns in a sleeving mode, an upper die base is arranged above the lower die base, and the upper die base is fixedly connected with the guide sleeves. A cushion plate is fixedly arranged on the outer wall of the bottom of the upper die base, a mounting plate isfixedly arranged on the outer wall of the bottom of the cushion plate, a forging pressing plate is fixedly arranged on the outer wall of the bottom of the mounting plate, a forging female die is fixedly arranged on the outer wall of the top of the lower die base and located under the forging pressing plate, and a containing groove is formed in the outer wall of the top of the forging female die.The placing groove is form