Metallographic sample pipe number steel seal punching device

The utility model discloses a metallographic sample pipe number steel seal punching device, which belongs to the technical field of steel pipe production equipment and comprises a workbench, a support, a fixed spring column and a plurality of digital steel seal rods, the support is erected above the workbench, and the fixed spring column and the digital steel seal rods are arranged between the support and the workbench. The support comprises four supporting columns fixedly installed at the four corners of the workbench, two longitudinal beams connected to the upper ends of the supporting columns on the two sides respectively and a cross beam arranged between the longitudinal beams. A fixing spring hole and a plurality of steel seal rod fixing holes are formed in the cross beam; a rectangular metallographic sample groove for placing a metallographic sample is formed in the middle of the upper part of the workbench; the position of the metallographic sample groove corresponds to the positions of the fixed sprin