High-precision circular pipe expanding process performance detection device

The invention discloses a high-precision circular pipe expanding process performance detection device, and belongs to an expanding process performance detection device. The structure of the high-precision circular pipe expanding process performance detection device comprises a rack, an expanding fixture and an expanding hammer, wherein the rack is processed into a groove with a certain angle, the outer side of the expanding fixture is provided with an inclined surface matched with the angle of the groove, the expanding fixture is arranged in the rack to be compacted, and the expanding hammer is positioned at an inner end port of a circular pipe in the expanding fixture. The high-precision circular pipe expanding process performance detection device disclosed by the invention has the characteristics of being simple in structure, convenient to operate and capable of uniformly expanding copper pipes according to the required expanding ratio in the expanding process, so that the high-precision circular pipe expan