A cylindrical shaft surface marking tool

Abstract

The present invention discloses a cylindrical shaft surface marking tool, which is applied to the surface of the cylindrical shaft, and includes a fixed block, the bottom of which is provided with a concave surface in contact with the surface of the cylindrical shaft, an intermediate groove is provided on the fixed block along the radial direction of the cylindrical shaft, the intermediate groove runs through the top and bottom of the fixed block, a first pen holder is provided in the intermediate groove, a first marking needle is vertically provided at the bottom of the first pen holder, and the first pen holder performs radial sliding movement along the intermediate groove; a through hole is provided at the end of the fixed block along the axial direction of the cylindrical shaft, a second pen holder is provided in the through hole, a perforation is provided at the end of the second pen holder away from the fixed block, a second marking needle is provided on the perforation, and the second pen holder performs axial sliding movement along the through hole. The cylindrical shaft surface marking tool of the present invention integrates the functions of axial and radial marking on the cylindrical shaft surface, and ensures the accuracy of the marking position, and is light and compact in design, and the marking operation is simple, and is suitable for occasions where positioning marking operations are required at the test site.

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