Pipeline punching process and clamping device thereof

The invention discloses a pipeline punching process. The pipeline punching process is characterized by clamping a pipeline, and a punch head is adopted to punch the side surface of the pipeline. According to the embodiment of the invention, the process comprises the following specific steps that A, the pipeline is placed in a clamping groove of a lower clamping block; B, an upper clamping block and the lower clamping block are closed together to clamp the pipeline; C, the punch head is controlled to enter from a punching positioning hole in the lower clamping block to punch the side surface of the pipeline. The invention discloses a completely new punching process. The punching process has the advantages that the working efficiency is improved, energy sources are saved, and environment is protected. Compared with the prior art, the punching process has outstanding substantive features and obvious advancement.