Method for detecting position offset of assembly hole by utilizing linear array CCD (Charge Coupled Device) technology
A technology of technical testing and assembling holes, which is applied in the field of testing, can solve problems such as inability to compare and analyze detection information, inability to adjust production processes, and increase production costs of enterprises, so as to achieve the effects of low production costs, less error-prone, and fast feedback
Pending Publication Date: 2022-03-01
INTELLIGENT MFG INST OF HFUT
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Problems solved by technology
[0003] At present, for the detection of the position offset of hole-shaped parts or assembly holes, most of them are detected and recorded manually, the detection speed is slow, the efficiency is low, and the recording process is prone to errors, which increases the production cost of the enterprise; , the detection information cannot be compared and analyzed in a timely and effective manner, and the production process cannot be adjusted in time according to the analysis results, and the feedback speed is slow
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[0038] The present invention will be further described below in conjunction with the embodiments. It should be noted that this is only an example and description of the inventive concept, and those skilled in the art will make various modifications or supplements to the described specific embodiments. Or replace it in a similar way, as long as it does not deviate from the concept of the invention or exceeds the scope defined in the claims, it shall be deemed to fall within the protection scope of the present invention.
[0039] Such as figure 1 As shown, a method for detecting the position offset of assembly holes using linear array CCD technology includes the following steps:
[0040] S1. Establish a coordinate system: fix the standard assembly with assembly holes on the fixture, and take the ideal position of the center of the assembly hole as R 0 , establish X-axis and Y-axis coordinate systems respectively;
[0041] S2. Establish a linear array CCD: place two parallel li...
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The invention discloses a method for detecting the position offset of an assembly hole by utilizing a linear array CCD (Charge Coupled Device) technology, which comprises the steps of S1, establishing a coordinate system, S2, establishing a linear array CCD, S3, judging the offset, S4, recording coordinates of an intersection point of the CCD, S5, calculating the offset and the like, and the specific size of the position offset 10 of the assembly hole can be obtained by utilizing a calculation formula of the position offset 10 of the assembly hole. According to the method for detecting the position offset of the assembly hole by using the linear array CCD technology, non-contact measurement can be carried out through the CCD imaging technology, high precision can be achieved, the position offset of the assembly hole can be effectively detected, the centering problem of parts during assembly is solved, and the method has the characteristics of high detection efficiency and high speed; the recording process is not prone to errors, the production cost is low, detection results can be effectively counted, analyzed and compared in time, a production workshop can adjust the production technology in time according to an analysis structure, the feedback speed is high, and use is convenient and fast.
Description
technical field [0001] The invention relates to the technical field of detection, in particular to a method for detecting the position offset of an assembly hole by using a linear array CCD technology. Background technique [0002] The position error of parts during assembly is the key to the accuracy of parts assembly. For equipment with high precision requirements, the detection of part position error is more important. For hole-shaped parts or assembly holes, the position error is detected to solve the centering problem during part assembly. [0003] At present, for the detection of the position offset of hole-shaped parts or assembly holes, most of them are detected and recorded manually, the detection speed is slow, the efficiency is low, and the recording process is prone to errors, which increases the production cost of the enterprise; , the detection information cannot be effectively compared and analyzed in a timely and effective manner, and the production process ...
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IPC IPC(8): G01B11/03
CPCG01B11/03
Inventor 陶晓杰陈超侯发志舒双宝
Owner INTELLIGENT MFG INST OF HFUT