A device and method for detecting surface flatness of parts
A detection device and flatness technology, applied in the direction of measuring devices, optical devices, instruments, etc., can solve the problems of low efficiency and achieve the effect of rapid detection
Active Publication Date: 2021-06-15
HUBEI SANJIANG SPACE WANSHAN SPECIAL VEHICLE
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[0002] With the advancement of technology, the requirements for machining accuracy and efficiency of various parts are getting higher and higher, and at the same time, higher requirements are also put forward for the detection speed of parts; the existing detection of shape and position tolerance, such as flatness detection, mostly uses manual detection, which is inefficient , has become the bottleneck of parts detection, which requires an online rapid detection device for the surface flatness of parts to meet the requirements of enterprises
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[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0028] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of...
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The invention discloses a detection device and a detection method for the surface flatness of a part. A horizontal guide rail and a driving mechanism are installed on the workbench. The guide rail moves on the workbench; the double-slit interference imaging system, optical imaging sensor and two adjustable light sources are installed on the bracket, the double-slit interference imaging system is located directly above the multi-jaw chuck, and the optical imaging sensor acquires standard samples Or the interference fringe image of the measured part, two adjustable light sources are located on both sides of the double-slit interference imaging system; the image processing system is connected with the optical imaging sensor to process the interference fringe image of the standard sample block and the measured part, and obtain Standard interference fringe spectrum and measured interference fringe spectrum; calculate the deviation between the measured interference fringe spectrum and the standard interference fringe spectrum to obtain the surface flatness of the measured part. The invention can complete the surface flatness detection of parts with high precision and fast.
Description
technical field [0001] The invention relates to the technical field of flatness detection, in particular to a detection device and a detection method for the surface flatness of parts. Background technique [0002] With the advancement of technology, the requirements for machining accuracy and efficiency of various parts are getting higher and higher, and at the same time, higher requirements are also put forward for the detection speed of parts; the existing detection of shape and position tolerance, such as flatness detection, mostly uses manual detection, which is inefficient , has become the bottleneck of parts detection, which requires an online rapid detection device for the surface flatness of parts to meet the requirements of enterprises. [0003] With the increasing maturity and popularization of automatic control system and image processing technology, the accuracy and reliability of each element constituting the automatic control system are increasing day by day, ...
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IPC IPC(8): G01B11/30
CPCG01B11/30
Inventor 闫春莲
Owner HUBEI SANJIANG SPACE WANSHAN SPECIAL VEHICLE