Efficient locking and braking water expansion machine

The utility model relates to the technical field of pipe expanding and shaping equipment, and provides an efficient locking and braking water expanding machine which comprises a rack, the rack is provided with a mold assembly, a water pressure power assembly, a processor, a water expanding head and a moving mechanism, and the mold assembly, the water pressure power assembly and the moving mechanism are all electrically connected with the processor. The water expansion head is connected with the water pressure power assembly through a connecting water pipe and movably arranged on the rack through the moving mechanism, the moving mechanism comprises a main body, an inner clamping assembly and a moving assembly, the main body is arranged on the moving assembly and communicated with the connecting water pipe, the water expansion head is arranged on the main body, and the inner clamping assembly comprises an extrusion part and a swing part. The two ends of the swing part are hinged to the swing part and the main b