Left-right co-bending pipe bending machine with automatic turning function and machining method of left-right co-bending pipe bending machine

The invention relates to a left-right co-bending pipe bending machine with an automatic turning function and a machining method of the left-right co-bending pipe bending machine. According to the scheme, the left-right co-bending pipe bending machine comprises a rack, a feeding clamping mechanism, a feeding mechanism and a die guiding mechanism, all the mechanisms are matched so that the turning function of the pipe fitting and the switching of the leftward bending function and the rightward bending function of the pipe fitting can be achieved, and leftward bending operation and rightward bending operation of the pipe fitting can be achieved. The pipe bending machine has a turning and bending function, after bending from one end to a proper position, automatic turning and bending from the other end are achieved, the hanging length of a pipe fitting is only half of that of an original traditional bent pipe, pipe fitting interference is small, shaking in the pipe bending process is small, pipe fitting deformati