Double-layer bending machine

The utility model relates to the technical field of bending machines, and discloses a double-layer bending machine which comprises a working table, a threaded sliding device and a material ejecting air cylinder, the threaded sliding device is installed on the left side in the working table, the upper portion of the threaded sliding device penetrates through the working table and is connected with a plate body, the material ejecting air cylinder is installed above the plate body, and the material ejecting air cylinder is connected with the working table. A pipe body is installed on the right side of the material jacking air cylinder, a driving machine is fixed to the right side of the interior of the workbench, a rotating plate is installed on the outer side of the driving machine, a bending device is arranged over the driving machine, the lower portion of the bending device is connected with the upper portion of the workbench, and a plurality of sliding devices are installed on the outer side of the bending d