CN103084927B - A kind of on-line measurement system and On-line Measuring Method thereof - Google Patents
A kind of on-line measurement system and On-line Measuring Method thereof Download PDFInfo
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- CN103084927B CN103084927B CN201310028703.0A CN201310028703A CN103084927B CN 103084927 B CN103084927 B CN 103084927B CN 201310028703 A CN201310028703 A CN 201310028703A CN 103084927 B CN103084927 B CN 103084927B
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Abstract
The invention discloses a kind of on-line measurement system and On-line Measuring Method thereof, for carrying out on-line measurement to the Digit Control Machine Tool of grating belt sensor, comprise ccd image harvester, grating data acquisition module and computer system, described ccd image harvester is connected with described computer system signal, and described grating data acquisition module is for gathering the raster data of Digit Control Machine Tool, and be connected with described computer system signal, described ccd image harvester can be installed or removed the head in Digit Control Machine Tool.Described ccd image harvester is installed on the head of Digit Control Machine Tool; The head of operating numerical control lathe moves, and makes described ccd image harvester carry out IMAQ to region to be measured; Described grating data acquisition module and Digit Control Machine Tool are carried out signal be connected, and the raster data gathering Digit Control Machine Tool is to input described computer system; By computer system, described raster data and described image are resolved, obtain measurement result.This metering system is simple, error is little.
Description
Technical field
The present invention relates to the line Measurement Technique field of Digit Control Machine Tool, specifically refer to a kind of on-line measurement system and On-line Measuring Method thereof for carrying out on-line measurement to the Digit Control Machine Tool of grating belt sensor.
Background technology
When adopting Digit Control Machine Tool to carry out work pieces process, in order to ensure the precision of processing, need to measure in real time workpiece.Existing multiple measuring technique all departs from processing platform and measures after work pieces process is complete.Need workpiece to reinstall back processing platform correction after discovery processing dimension is defective, the position due to twice installation in front and back is difficult to ensure unanimously, so cause the error of second-order correction also larger.In order to effectively address this problem, often workpiece do not pulled down from processing platform when detecting workpiece, just creating multiple on-line measurement scheme thus.Such as non-contact type on-line measurement, its structure is simple, and price is low, measures efficiency high and obtains more and more wider application.But existing on-line measurement system deficiency is: generally need by exterior mechanical equipment, as mechanical arm etc., traction vision system moves, and because this increasing the expense of measuring system, and increases the performance that exterior mechanical may have influence on Digit Control Machine Tool itself in working site.In addition, the Digit Control Machine Tool for high accuracy, high cutting speed adopts Grating examinations all, can realize kinetic measurement, is easy to realize measuring and datamation.
Summary of the invention
Technical problem to be solved by this invention is to provide and does not a kind ofly need on-line measurement system by exterior mechanical equipment and On-line Measuring Method thereof.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of on-line measurement system, for carrying out on-line measurement to the Digit Control Machine Tool of grating belt sensor, comprise ccd image harvester, grating data acquisition module and computer system, described ccd image harvester is connected with described computer system signal, and described grating data acquisition module is for gathering the raster data of Digit Control Machine Tool, and be connected with described computer system signal, described ccd image harvester can be installed or removed the head in Digit Control Machine Tool.
Described ccd image harvester comprises CCD image-forming module, fixed times camera lens and intensity adjustable secondary light source, and described CCD image-forming module is connected with described computer system signal.
Described computer system comprises video parsing module and image measurement module, and described video parsing module is connected with described ccd image harvester signal, and described image measurement module is connected with described grating data acquisition module by signal.
A kind of On-line Measuring Method, adopt above-mentioned on-line measurement system to carry out on-line measurement to the Digit Control Machine Tool of grating belt sensor, its step is as follows: first, is installed on the head of Digit Control Machine Tool by described ccd image harvester; Secondly, the head of operating numerical control lathe moves, and makes described ccd image harvester carry out IMAQ to region to be measured; Again, described grating data acquisition module and Digit Control Machine Tool are carried out signal and is connected, and the raster data gathering Digit Control Machine Tool is to input described computer system; Finally, by computer system, described raster data and described image are resolved, obtain measurement result.
Beneficial effect of the present invention is: be directly loaded on the head of Digit Control Machine Tool by ccd image harvester, the motion of Digit Control Machine Tool is utilized to focus on, and gather image, without the need to providing independent mechanical arm and vision trailer system, greatly simplifie the structure of on-line measurement system; Because workpiece need not unload from lathe after processing, greatly reduce the error that workpiece produces due to assembling; Ccd image harvester obtains complete workpiece image by a focused acquisition, and grating sensor accurately can obtain the coordinate data of workpiece, image and coordinate data as calculated machine system analysis comprehensive after just simply and intuitively can obtain measurement result, measuring process is simple and data are accurate.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
Fig. 1 is the structural principle schematic diagram of on-line measurement system.
Detailed description of the invention
With reference to a kind of on-line measurement system shown in figure 1, for carrying out on-line measurement to the Digit Control Machine Tool of grating belt sensor, comprise ccd image harvester, grating data acquisition module and computer system, described ccd image harvester is connected with described computer system signal, and described grating data acquisition module is for gathering the raster data of Digit Control Machine Tool, and be connected with described computer system signal, described ccd image harvester can be installed or removed the head in Digit Control Machine Tool.Described ccd image harvester comprises CCD image-forming module, fixed times camera lens and intensity adjustable secondary light source, and described CCD image-forming module is connected with described computer system signal.Described computer system comprises video parsing module and image measurement module, and described video parsing module is connected with described ccd image harvester signal, and described image measurement module is connected with described grating data acquisition module by signal.In work pieces process, as needed to measure, then ccd image harvester is loaded on the vacant process tool knife rest of Digit Control Machine Tool, moved by operation Machine-Tool Control tool holder, a fixed times camera lens is focused on workpiece, regulate brightness by secondary light source, then needed the view data of measured zone by the collection of CCD image-forming module, then video parsing module view data being sent to computer system is resolved; , counted by the grating scale of grating data acquisition device to Digit Control Machine Tool meanwhile, and raster data is sent to the image measurement module of computer system, after machine system is analyzed view data and raster data as calculated, just draw measurement result.Ccd image harvester being directly loaded on the head of Digit Control Machine Tool, utilizing the motion of Digit Control Machine Tool to focus on, without the need to providing independent mechanical arm and vision trailer system, greatly simplifiing the structure of on-line measurement system; Because workpiece need not unload from lathe after processing, greatly reduce the error that workpiece produces due to assembling; Ccd image harvester obtains complete workpiece image by a focused acquisition, and grating sensor accurately can obtain the coordinate data of workpiece, image and coordinate data as calculated machine system analysis comprehensive after just simply and intuitively can obtain measurement result, measuring process is simple and data are accurate.
A kind of On-line Measuring Method, adopt above-mentioned on-line measurement system to carry out on-line measurement to the Digit Control Machine Tool of grating belt sensor, its step is as follows: first, is installed on the head of Digit Control Machine Tool by described ccd image harvester; Secondly, the head of operating numerical control lathe moves, and makes described ccd image harvester carry out IMAQ to region to be measured; Again, described grating data acquisition module and Digit Control Machine Tool are carried out signal and is connected, and the raster data gathering Digit Control Machine Tool is to input described computer system; Finally, by computer system, described raster data and described image are resolved, obtain measurement result.
Certainly, above embodiment is merely illustrative and not limiting to the invention, the above is only preferred embodiment of the present invention, therefore all equivalences done according to the scheme described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.
Claims (2)
1. an on-line measurement system, for carrying out on-line measurement to the Digit Control Machine Tool of grating belt sensor, it is characterized in that: comprise ccd image harvester, grating data acquisition module and computer system, described ccd image harvester is connected with described computer system signal, and described grating data acquisition module is for gathering the raster data of Digit Control Machine Tool, and be connected with described computer system signal, described ccd image harvester can be installed or removed the head in Digit Control Machine Tool; Described ccd image harvester comprises CCD image-forming module, fixed times camera lens and intensity adjustable secondary light source, and described CCD image-forming module is connected with described computer system signal; Described computer system comprises video parsing module and image measurement module, and described video parsing module is connected with described ccd image harvester signal, and described image measurement module is connected with described grating data acquisition module by signal.
2. an On-line Measuring Method, adopt the on-line measurement system described in claim 1 to carry out on-line measurement to the Digit Control Machine Tool of grating belt sensor, its step is as follows:
First, described ccd image harvester is installed on the head of Digit Control Machine Tool;
Secondly, the head of operating numerical control lathe moves, and makes described ccd image harvester carry out IMAQ to region to be measured;
Again, described grating data acquisition module and Digit Control Machine Tool are carried out signal and is connected, and the raster data gathering Digit Control Machine Tool is to input described computer system;
Finally, by computer system, described raster data and described image are resolved, obtain measurement result.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103624633A (en) * | 2013-12-09 | 2014-03-12 | 大连理工大学 | Micro-milling vibration precision measurement system taking laser micro-displacement sensor as measuring element |
| CN105108585A (en) * | 2015-08-31 | 2015-12-02 | 咸宁市洪盛模具科技有限公司 | Online detecting system and method of numerically-controlled machine tool |
| CN105258637A (en) * | 2015-10-30 | 2016-01-20 | 东莞市嘉腾仪器仪表有限公司 | Fully-automatic cantilever type image measuring device and method |
| CN106584211A (en) * | 2016-12-15 | 2017-04-26 | 上海电气核电设备有限公司 | On-line CCD push-scanning measurement system and measurement method thereof |
| CN108000239A (en) * | 2017-12-01 | 2018-05-08 | 常州信息职业技术学院 | Digital control processing on-line detecting system |
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| DE102009029061A1 (en) * | 2008-09-05 | 2010-03-11 | Mori Seiki Co., Ltd., Yamatokoriyama-shi | Method and device for processing status check |
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