Measuring head mechanism of automatic measuring equipment for vehicle body surface gap offset

Abstract

The invention discloses a measuring head mechanism of automatic measuring equipment for the vehicle body surface gap offset, which comprises a fixing mechanism, wherein the fixing mechanism comprises a first mounting plate and a first connecting column, the periphery and the middle of the surface of the first mounting plate are respectively provided with a first threaded hole and a second threaded hole, the upper side wall of the connecting column is provided with a third threaded hole, a fine adjustment mechanism is arranged at the lower end of the first connecting column, and a second mounting plate is arranged at the lower end of the fine adjustment mechanism. According to the invention, one initial positioning camera and two gap offset measuring heads are integrated on one measuring head mounting mechanism, when initial positioning of a vehicle body and gap offset detection are carried out, the initial positioning camera and the gap offset measuring heads both use a tool coordinate system of the seventh axis of a robot, coordinate conversion and compensation are carried out under the same coordinate system, deviation possibly caused by coordinate conversion of different coordinate systems is avoided, and the probability of equipment failures is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of automobile calibration equipment, and the specific field is a measuring head mechanism of an automatic measuring device for gap difference on the surface of a vehicle body. Background technique [0002] Automobile assembly is one of the most important technological links in the manufacturing process of automobile products. After the assembly of automobiles is completed, it is necessary to measure and inspect the gaps between the components of the assembled vehicle. Usually, the assembly workshop completes the entire vehicle. After assembly, manually use feeler gauges, vernier calipers and break gauges to measure and inspect the gaps and surface differences between the various parts and components of the car body. The results of the gap detection have a great impact, resulting in the detection results may not be able to truly and effectively reflect the real situation of the car body, which is not conduciv...

AI Technical Summary

Problems solved by technology

[0002] Automobile assembly is one of the most important technological links in the manufacturing process of automobile products. After the assembly of automobiles is completed, it is necessary to measure and inspect the gaps between the components of the assembled vehicle. Usually, the assembly workshop completes the entire vehicle. After assembly, manually use feeler gauges, vernier calipers and break gauges to measure and inspect the gaps and surface differences between the various parts and components of the car body. The results of the gap detection have a great impact, resulting in the detection results may not be able to truly and effectively reflect the real situation of the car body, which is not conducive to the quality assurance and supervision of the whole vehicle, and cultivate an experienced and skilled body surface gap gap detection It requires many years of practice and accumulation, and requires a lot of resources and expenses, which is not conducive to reducing labor costs and improving detection efficiency

And the current common surface gap automatic detection equipment is to set up the car body initial positioning system and the gap and surface difference detection system separately, and they are not integrated together. After the coordinate system conversion between the initial positioning system and the gap and surface difference detection system is required In order to continue working, and it is not conducive to the layout and implementation in the station, it often occurs that the initial positioning system is damaged and the whole set of equipment cannot operate normally, and there is a certain risk of equipment failure

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