CN104655015A - Apparatus for detecting and measuring tubular and wire materials - Google Patents
Apparatus for detecting and measuring tubular and wire materials Download PDFInfo
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- CN104655015A CN104655015A CN201510071442.XA CN201510071442A CN104655015A CN 104655015 A CN104655015 A CN 104655015A CN 201510071442 A CN201510071442 A CN 201510071442A CN 104655015 A CN104655015 A CN 104655015A
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Abstract
The invention discloses an optical non-contact full-view three-dimensional size measuring and defect detecting apparatus for tubular and wire materials. The apparatus comprises three measurement boxes which are distributed at an angle of 120 DEG in the radial direction with a measured object, wherein a linear-structure optical generator is mounted inside each measurement box; each linear-structure optical generator is connected with an optical lens and an imaging sensor which is connected with an optical processing component. The apparatus can measure the size of a measured tubular and wire material on line and detect the three-dimensional geometric defect of the measured object, and can further carry out on-line three-dimensional reconstruction on the measured object wholly. The apparatus is a non-contact full-view three-dimensional detection apparatus, can ensure that the tubular and wire materials are detected conveniently, and meet the requirement of the tubular and wire materials which have a relatively high requirement on surface purification and the like; moreover, the apparatus can ensure the measurement precision and the detection accuracy.
Description
Technical field
The invention belongs to tube wire detection technique field devices, particularly relate to contactless tube wire three-dimensional dimension and defect detecting device.
Background technology
The physical dimension precision of tubulose, wire profile material is one of most important index of quality of materials, physical dimension comprises sectional dimension precision and longitudinal size consistance etc., when indication size exceeds outside actual operation requirements scope in local or entirety, be referred to as to there is 3 D defects.When material in process of production, because high-speed motion, high temperature, vibration and object appearance curved surface complicacy etc. may exist practical factor, not only make on-line checkingi be difficult to carry out, measuring accuracy be more difficult to ensure.
Summary of the invention
In order to solve the problem, the invention provides a kind of optical non-contact, full visual angle three-dimensional dimension measures and the tube wire of defects detection detects and measurement mechanism.
According to an aspect of the present invention, a kind of tube wire is provided to detect and measurement mechanism, comprise and become 120 ° of three measurement casings distributed with measuring object radial direction, described measurement box house is provided with linear structure optical generator, described linear structure optical generator connects optical lens and imaging sensor, and described imaging sensor is connected with optical processing elements.This device both can carry out dimensional measurement to tube wire measuring object online, can realize again detecting the three-dimensional geometry defect of measuring object simultaneously, can also carry out online three-dimensionalreconstruction to measuring object entirety.Its beneficial effect is: this device is the three-dimensional detection device at contactless full visual angle, not only ensure that the enforcement in tube wire detection is convenient, and meets the demand that surface cleanliness etc. requires higher tube wire, ensure that measuring accuracy and accuracy in detection simultaneously.Make people can grasp product design quality in real time in tube wire production run, for end product quality assessment provides important evidence, real-time fault diagnosis is carried out to main body production equipment.
In some embodiments, be also provided with adjustment base in described measurement casing, described adjustment base is fixedly connected with imaging sensor with described linear structure optical generator.Its beneficial effect is: facilitate the line-structured light of linear structure optical generator to project inclination angle, to adjust with the verticality of measuring object and imaging sensor angle of inclination, field of view angle adjust, and more effectively ensure that the accuracy that measuring object detects.
In some embodiments, become with measuring object radial direction 120 ° of described measurement casings centres of three of distributing to be provided with tubular and measure chamber, described tubular is measured inner cavity surface and is all carried out extinction process.Its beneficial effect is: effectively support radial become 120 ° of distribution measuring casings, and provide measurement space for measuring object, carrying out extinction process can the more effective accuracy ensureing to detect.
In some embodiments, described measurement casing is provided with operation and maintenance form.Its beneficial effect is: be convenient to observation at any time, the maintenance and operation of measuring device in casing, ensure carrying out smoothly of detection.
In some embodiments, described measurement casing is provided with housing plate, and described housing plate is provided with electrical fitting mounting interface.Its beneficial effect is: for measuring the supplying channels of box house device.
In some embodiments, described measurement wall box is arranged to adjustment rack base rail base plate, and described adjustment rack base rail base plate is fixedly connected with described adjustment base.Its beneficial effect is: realize linear structure optical generator and imaging sensor adjusts up and down, the more effective accuracy that ensure that measurement and detection.
In some embodiments, described measurement casing and described tubular measure chamber surface of contact is optical clear sealing medium.Its beneficial effect is: the path that ensure that light source, and constitutes the measurement body structure of sealing with housing plate, operation and maintenance form, constitutes separate space, effectively avoids interference.
In some embodiments, described tubular is measured in chamber to be evenly distributed and is fixed with three intermediate die plate, and described intermediate die plate is fixedly connected with described measurement casing, and extinction process is all carried out in surface.Its beneficial effect is: more effective guarantee measuring object detects and the accuracy of measuring, and effective fixation measuring casing.
In some embodiments, in described tubular measurement chamber 13, the nontransparent object of flexibility is equipped with at two ends.Its beneficial effect is: both ensure that passing through smoothly of measuring object 14, forms a confined space again, effectively avoids the interference of ambient light.
Accompanying drawing explanation
Fig. 1 is Inner Constitution schematic diagram of the present invention.
Fig. 2 is that entirety of the present invention forms schematic diagram.
In figure: 1-imaging sensor, 2-optical lens, 3-optical processing elements, 4-linear structure optical generator, 5-adjusts base, 6-line-structured light, 7-transmission visual field, 8-adjustment rack base rail base plate, 9-optical clear sealing medium, 10-operation and maintenance form, 11-electrical fitting mounting interface, 12-housing plate, 13-tubular measures chamber, 14-measuring object, 15-intermediate die plate, 16-measures casing, and 17-intersects closed curve.
Embodiment
Below in conjunction with attached Fig. 1 and 2, the present invention is further illustrated.Attached Fig. 1 and 2 schematically shows tube wire of the present invention and detects and measurement mechanism, comprise and become 120 ° of three measurement casings 16 distributed with measuring object 14 radial direction, described measurement casing 16 inside is provided with linear structure optical generator 4, described linear structure optical generator 4 connects optical lens 2 and imaging sensor 1, and described imaging sensor 1 is connected with optical processing elements 3.Line-structured light 6 is projected by optical lens 2 after linear structure optical generator 4 powers on, line-structured light 6 to be vertically projected to after forming optical plane in space on measuring object 14 and to intersect with it to be formed and intersects projection curve, projection curve is arranged in the transmission visual field 7 that corresponding imaging sensor 1 is formed, imaging sensor 1 obtains and intersects drop shadow curve's signal, and be converted into data image signal, through machine vision disposal route, signal in administrative 120 ° of regions is converted to the profile signal of measuring object 14, and this signal and reference signal are contrasted, realize 3 D defects to detect.The crossing closed curve 17 of the crossing drop shadow curve Special composition same position that three structured lights 6 are formed respectively with measuring object 14, controls in conjunction with synchronous triggering signal the synchronous detection that three imaging sensors 1 realize measuring object 14 simultaneously.Three structured lights 6 have independently Single wavelength, each other not aliasing, and corresponding with corresponding optical processing elements 3 centre wavelength, form narrowband optical filter effect, can avoid the impact of surround lighting, can overcome again the interference between three light paths.
In order to the more effective accuracy ensureing to detect, adjustment base 5 is also provided with in described measurement casing, described adjustment base 5 is fixedly connected with imaging sensor 1 with described linear structure optical generator 4, imaging sensor 1 and linear structure optical generator 4 have and independently adjust base 5, adjustment base 5 can adjust linear structure optical generator 4 line-structured light projection inclination angle, with the verticality of measuring object 14, and imaging sensor 1 angle of inclination, field of view angle.
In order to effectively support radial one-tenth 120 ° of distribution measuring casings 16, and provide measurement space for measuring object 14, be provided with tubular in the middle of described measurement casing 16 and measure chamber 13, described tubular is measured chamber 13 inside surface and is all carried out extinction process, carries out the accuracy that extinction process can effectively ensure to detect.
For the ease of measuring observation at any time, the maintenance and operation of device in casing 16, described measurement casing 16 is provided with operation and maintenance form 10, ensure that carrying out smoothly of detection.
In order to ensure to measure casing 16 internal components normal power-up, described measurement casing 16 is provided with housing plate 12, and described housing plate 12 is provided with electrical fitting mounting interface 11, forms supplying channels.
In order to the more effective accuracy that ensure that measurement and detection, described measurement casing 16 sidewall is arranged to adjustment rack base rail base plate 8, described adjustment rack base rail base plate 8 is fixedly connected with described adjustment base 5, and adjustment base 5 can be fixedly connected with installation in optional position in the guide rail in adjustment rack base rail base plate 8.Imaging sensor 1 realizes adjusting up and down by adjustment rack base rail base plate 8 and adjustment base 5, angle of inclination adjustment, field of view angle adjustment.Linear structure optical generator 4 is achieved adjustment up and down, line-structured light projection inclination angle by adjustment base 5 and the connection of adjustment rack base rail base plate 8, is adjusted with the verticality of measuring object 14.
In order to ensure that the path of light source, and constitute measurement casing 16 structure of sealing with housing plate 12, operation and maintenance form 10, constitute separate space, effectively avoid interference, it is optical clear sealing medium 9 that described measurement casing 16 measures chamber 13 surface of contact with described tubular.
In order to more effective guarantee measuring object 14 detects and the accuracy of measuring, and effective fixation measuring casing 16, described tubular is measured in chamber 13 to be evenly distributed and is fixed with three intermediate die plate 15, described intermediate die plate 15 is fixedly connected with described measurement casing 16, and extinction process is all carried out in surface.
In order to the more effective interference avoiding ambient light, described tubular is measured two ends in chamber 13 and the nontransparent object of flexibility is housed, and ensure that passing through smoothly of measuring object 14 simultaneously.
Above-described is only some embodiments of the present invention; the accompanying drawing provided is only for ease of statement invention thought, system constituted mode and the measurement that finally can obtain and testing goal; and have nothing to do with the profile of concrete parts or entirety, size; should be understood that; for the person of ordinary skill of the art; without departing from the concept of the premise of the invention, can also make other distortion and improve, these all belong to protection scope of the present invention.
Claims (9)
1. tube wire detects and measurement mechanism, it is characterized in that, comprise and become 120 ° of three measurement casings (16) distributed with measuring object (14) radial direction, described measurement casing (16) inside is provided with linear structure optical generator (4), described linear structure optical generator (4) connects optical lens (2) and imaging sensor (1), and described imaging sensor (1) is connected with optical processing elements (3).
2. tube wire as claimed in claim 1 detects and measurement mechanism, it is characterized in that, be also provided with adjustment base (5) in described measurement casing, described adjustment base (5) is fixedly connected with imaging sensor (1) with described linear structure optical generator (4).
3. tube wire as claimed in claim 1 detects and measurement mechanism, it is characterized in that, become with measuring object radial direction 120 ° of described measurement casings (16) centres of three of distributing to be provided with tubular and measure chamber (13), described tubular is measured chamber (13) inside surface and is all carried out extinction process.
4. tube wire as claimed in claim 1 detects and measurement mechanism, and it is characterized in that, described measurement casing (16) is provided with operation and maintenance form (10).
5. tube wire as claimed in claim 1 detects and measurement mechanism, and it is characterized in that, described measurement casing (16) is provided with housing plate (12), and described housing plate (12) is provided with electrical fitting mounting interface (11).
6. tube wire as claimed in claim 1 detects and measurement mechanism, and it is characterized in that, described measurement casing (16) sidewall is arranged to adjustment rack base rail base plate (8), and described adjustment rack base rail base plate (8) is fixedly connected with described adjustment base (5).
7. tube wire as claimed in claim 1 detects and measurement mechanism, it is characterized in that, it is optical clear sealing medium (9) that described measurement casing (16) and described tubular measure chamber (13) surface of contact.
8. tube wire as claimed in claim 3 detects and measurement mechanism, it is characterized in that, described tubular is measured in chamber (13) to be evenly distributed and is fixed with three intermediate die plate (15), and described intermediate die plate (15) is fixedly connected with described measurement casing (16), and extinction process is all carried out in surface.
9. tube wire as claimed in claim 3 detects and measurement mechanism, it is characterized in that, described tubular is measured chamber (13) interior two ends and the nontransparent object of flexibility is housed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510071442.XA CN104655015B (en) | 2015-02-11 | 2015-02-11 | Tube wire is detected and measurement apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510071442.XA CN104655015B (en) | 2015-02-11 | 2015-02-11 | Tube wire is detected and measurement apparatus |
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| CN104655015A true CN104655015A (en) | 2015-05-27 |
| CN104655015B CN104655015B (en) | 2017-08-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057841A (en) * | 2019-05-05 | 2019-07-26 | 电子科技大学 | A kind of defect inspection method based on transmittance structure light |
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| WO2001067039A1 (en) * | 2000-03-07 | 2001-09-13 | Pheno Imaging, Inc. | Three-dimensional measuring system for animals using structured light |
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| CN102506717A (en) * | 2011-10-26 | 2012-06-20 | 上海交通大学 | Three-line structured light machine vision width measurement method for hot rolled sheet belts |
| CN104197837A (en) * | 2014-09-19 | 2014-12-10 | 福建师范大学 | Non-contact type optical measuring method and device for measuring volume of objects with complicated surfaces |
| CN104236480A (en) * | 2014-09-22 | 2014-12-24 | 电子科技大学 | Line-structured light machine vision hexagonal billet steel profile measuring device and method |
| CN204388788U (en) * | 2015-02-11 | 2015-06-10 | 苏州珂锐铁电气科技有限公司 | Tube wire detects and measurement mechanism |
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2015
- 2015-02-11 CN CN201510071442.XA patent/CN104655015B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2001067039A1 (en) * | 2000-03-07 | 2001-09-13 | Pheno Imaging, Inc. | Three-dimensional measuring system for animals using structured light |
| CN101082756A (en) * | 2007-06-25 | 2007-12-05 | 华中科技大学 | Face structure light scanning apparatus |
| CN102506717A (en) * | 2011-10-26 | 2012-06-20 | 上海交通大学 | Three-line structured light machine vision width measurement method for hot rolled sheet belts |
| CN104197837A (en) * | 2014-09-19 | 2014-12-10 | 福建师范大学 | Non-contact type optical measuring method and device for measuring volume of objects with complicated surfaces |
| CN104236480A (en) * | 2014-09-22 | 2014-12-24 | 电子科技大学 | Line-structured light machine vision hexagonal billet steel profile measuring device and method |
| CN204388788U (en) * | 2015-02-11 | 2015-06-10 | 苏州珂锐铁电气科技有限公司 | Tube wire detects and measurement mechanism |
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| CN110057841A (en) * | 2019-05-05 | 2019-07-26 | 电子科技大学 | A kind of defect inspection method based on transmittance structure light |
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| CN104655015B (en) | 2017-08-04 |
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