Pipe bending equipment and roller group driving mechanism thereof

The utility model discloses pipe bending equipment and a roller group driving mechanism, a workbench, a wheel die holder and a roller thereof, and further comprises a turntable, the roller is rotatably mounted on the turntable, the wheel die holder is positioned above the turntable, and the turntable rotates to drive the roller to rotate around the axis of the arc surface on the left side of the wheel die holder; the driving mechanism comprises a lead screw, two transmission arms and two sliding blocks, one ends of the two transmission arms are hinged to the bottom of the rotating disc, the hinge points of the two transmission arms and the rotating disc are located on the two sides of the main shaft, the other ends of the two transmission arms are hinged to the two sliding blocks respectively, and threads on the lead screw are divided into two sections which are opposite to each other. The lead screw rotates to drive the two sliding blocks to be close to or away from each other. The pipe bending precision is