Detection equipment and stamped part non-circular hole detection pin thereof

Abstract

The invention discloses detection equipment and a detection pin thereof. The detection pin comprises a handle, a body part and a scribing part. An oblique plane is formed at the end, facing a hole to be detected, of the scribing part, and a scribing sharp corner is formed through one end of the oblique plane. The body part sequentially comprises a connecting section, a rotating shaft section, a detection section and a guide section. The connecting section is fixedly connected with the handle. The scribing part is mounted on the rotating shaft section in circumferential rotating and axial sliding modes. The external diameter of the detection section is larger than the external diameter of the guide section, the shape of the outer contour of the detection section is the same as the reference shape of the hole to be detected, and the boundary dimension of the detection section is the same as the reference dimension of the hole to be detected. At least one anti-rotation plane is formed on the outer side wall of the guide section. In this way, hole site detection of non-circular holes is achieved. Due to the arrangement of the detection section, qualified parts can also be detected in time. Compared with the prior art, piece-by-piece scribing calculation is needless, so that the detection process is simplified, hole sites can be recognized rapidly, and working efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of inspection tools, in particular to a non-circular hole inspection pin for stamping parts used for inspection equipment. The present invention also relates to a detection device comprising the above-mentioned non-circular hole detection pin of the stamping part. Background technique [0002] The high-precision body-in-white can not only improve the assembly of assembly parts, but also improve the quality of the appearance gap of the body. At present, in the process of vehicle development, most of the stamping parts and welding assemblies of automobiles are tested and accepted by testing equipment to confirm Whether the precision of the hole of the stamping part and the profile of the surface are qualified and meet the loading requirements. Due to the need for the realization of the part installation function, the size and position accuracy of some holes on the stamping parts are relatively high, and the a...

AI Technical Summary

Problems solved by technology

[0005] However, in the existing detection pins, the guide section is cylindrical, and the line drawing pin is rotated around the guide section by rotating the handle when drawing a line, so that the detection pin is only suitable for the position detection of round holes. When rotation deformation occurs, the detection pin cannot be identified; at the same time, the detection pin must go through scribing, detection, and calculation each time to determine whether the hole is qualified, which cannot be quickly identified, and the work efficiency is low

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