CN205593939U - Surface form defect automatic checkout device of lens - Google Patents
Surface form defect automatic checkout device of lens Download PDFInfo
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- CN205593939U CN205593939U CN201620234479.XU CN201620234479U CN205593939U CN 205593939 U CN205593939 U CN 205593939U CN 201620234479 U CN201620234479 U CN 201620234479U CN 205593939 U CN205593939 U CN 205593939U
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- 238000005498 polishing Methods 0.000 description 1
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- 230000011218 segmentation Effects 0.000 description 1
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Abstract
The utility model provides a surface form defect automatic checkout device of lens is by main control unit (1), darkroom cabinet (2), light source (3), amplify the lens support device, amplify lens (12), formation of image screen (13) and industry camera (14), form by object plate clamping device (15), its characterized in that: singlechip controller (4) and main control unit (1) adopt the serial ports to link to each other to continuous through IO mouth and step motor driver (5) and step motor (6), step motor (6) are connected with two -way straight filament thick stick (7) again, and lens clamping jaw (8) installation is used for supporting by object plate (9) on being fixed in two -way straight filament thick stick (7), two -way straight filament thick stick (7) take moving mirror piece clamping jaw (8) to move its the unilateral motion degree of freedom >= 10cm. The utility model discloses, the realization is to the surface form defect's of lens quick, automated inspection, very big improvement lens test's rate of accuracy and efficiency, can promote lens test's intellectuality.
Description
Technical field
This utility model relates to a kind of eyeglass planar defect automatic detection device, particularly relates to use machine vision method that the planar defects such as the watermark of lens surface, resin stricture of vagina, Pericarpium Citri tangerinae, mist are realized the apparatus and method of detection automatically.
Background technology
Glasses have become requisite consumer goods, and its consumer group is huge, eyeglass industry is in recent years by improving independent research and introduction of foreign technology, and the automatization level of eyeglass production process steps up, but lens quality detection the most all uses the mode of manual detection to complete at present.Manual detection is largely dependent upon experience and the technology of testing staff, easily affected by the factor such as subjective factors, individual variation, and for planar flaw inspection aspect, detection workman needs under the auxiliary of electric filament lamp, is realized by the multi-angle observation of object plate by actions such as rotation and inclinations, and the method not only injures testing staff's vision, and it is slower to detect speed, the most notably, the easy missing inspection unconspicuous eyeglass of defect feature, the quality of detection is the most unstable.Therefore, the poor efficiency of eyeglass Quality Detection, low precision and high cost seriously constrain the development of China's eyes industry.
Aulomatizeted Detect for eyeglass defect, patent: the eyeglass defect automatic detection device of a kind of Grating Modulation and method (CN201510424415.6), a kind of eyeglass defect on-line measuring device (CN201510424414.1), a kind of lens surface point-like and the patent such as the detection device (CN201310543198.3) of wire impurity and a kind of eyeglass two-sided flaw inspection device and method (CN201310543428.6) all propose and use machine vision method realization identify the automatization of eyeglass point-like and wire defect and detect, and devise corresponding automatic detection device；Patent: a kind of eyeglass watermark defect image detection device (CN201310749191.7) proposes a kind of eyeglass watermark defect image detection device, said method by parallel light transmissive method by watermark defect projection imaging to white optical screen on, realize the detection to eyeglass watermark defect in conjunction with digital image processing method, but the detection of the planar flaw to low-refractions such as resin stricture of vagina, mists cannot be realized.
Summary of the invention
For the above-mentioned deficiency of existing eyeglass planar flaw inspection technology, the purpose of this utility model is that providing a kind of realizes the device for fast detecting to eyeglass planar defect and method, is used for improving Detection accuracy and efficiency, provides basis for eyeglass on-line checking.
The technical solution of the utility model is: a kind of eyeglass planar defect automatic detection device, is made up of master controller, darkroom cabinet, light source, enlarging lens holder device, enlarging lens, imaging optical screen and industrial camera, tested lens clamping device；Described tested lens clamping device is by singlechip controller, stepper motor driver, motor, two-way linear leading screw and eyeglass jaw composition, tested lens clamping device is installed in the cabinet of darkroom, make tested lens plane with light source optical axis in vertical state, it is characterized in that: described singlechip controller uses serial ports to be connected with master controller, and be connected with stepper motor driver and motor by I/O mouth, motor is connected with two-way linear leading screw again, eyeglass jaw is mounted on two-way linear leading screw, for supporting by object plate, described two-way linear leading screw drives eyeglass jaw to move, its monolateral freedom of motion >=10cm.
Described darkroom cabinet is a frame structure, is used for providing Machine Vision Detection environment, isolation external environmental light interference；Described light source is installed on cabinet top, darkroom, its optical axis be centrally located at same vertical line by object plate and enlarging lens, and distance is by object plate physical size >=40cm.
Described enlarging lens holder device is made up of steering wheel, enlarging lens support and enlarging lens, it is arranged on the underface of tested lens clamping device, make to be centrally located at same vertical with enlarging lens by object plate, described steering wheel is connected by I/O mouth with singlechip controller, its rotational angle is changed according to type of lenses, described enlarging lens support is an annulus, and is provided with ledge structure, makes enlarging lens closely be positioned on enlarging lens support step.
Described imaging optical screen is a white imaging plane, is positioned at by immediately below object plate, and its area is more than by the projection picture of object plate.
Described industrial camera is arranged on by the side of object plate, is connected with master controller by data wire.
This utility model has the advantage that 1 employing machine vision technique carries out the most quickly detection and classification to eyeglass planar defect, can effectively improve the efficiency of eyeglass Quality Detection；2 use the polishing mode of cone-shaped beam can will be passed through projection pattern imaging by object plate planar defect, and can effectively adapt to different size and classification eyeglass；3 for the difference of type of lenses, selective uses enlarging lens to be amplified defect feature processing；4 use two-way linear leading screws to adjust eyeglass jaw size, make the system can the detection of self adaptation different size eyeglass.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is this utility model tested lens clamping device schematic diagram；
Fig. 3 is the schematic diagram of TT&C system in this utility model detection device；
Fig. 4 is this utility model Digital Image Processing flow chart；
Fig. 5 is this utility model planar flaw inspection flow chart；
In figure: 1 master controller；2 hint cabinets；3 light sources；4 singlechip controllers；5 stepper motor drivers；6 motors；7 two-way linear leading screws；8 eyeglass jaws；9 by object plate；10 steering wheels；11 enlarging lens supports；12 enlarging lens；13 imaging optical screens；14 industrial cameras；15 tested lens clamping devices.
Detailed description of the invention
As it is shown in figure 1, a kind of eyeglass planar defect automatic detection device, it is made up of master controller 1, darkroom cabinet 2, light source 3, enlarging lens holder device, enlarging lens 12, imaging optical screen 13 and industrial camera 14, tested lens clamping device 15.Described tested lens clamping device 15 is made up of singlechip controller 4, stepper motor driver 5, motor 6, two-way linear leading screw 7 and eyeglass jaw 8, for adjusting eyeglass jaw 8 position according to by object plate 9 size, to adapt to the detection of different size eyeglass；Tested lens clamping device 15 is installed in darkroom cabinet 2, it is ensured that by object plate 9 plane with light source 3 optical axis in vertical state, described darkroom cabinet 2 is a frame structure, is used for providing Machine Vision Detection environment, isolation external environmental light interference；Described light source 3 can send cone of light, for being provided with the illumination condition of beneficially Digital Image Processing effect, ensure the stability of image simultaneously, light source is installed on darkroom cabinet 2 top, its optical axis be centrally located at same vertical line by object plate 9 and enlarging lens 12, and distance is by object plate 9 physical sizes >=40cm；Described enlarging lens holder device is made up of steering wheel 10, enlarging lens support 11 and enlarging lens 12, it is arranged on the underface of tested lens clamping device 15, ensure to be centrally located at same vertical line by object plate 9 and enlarging lens 12, for amplifying the imaging effect of presbyopic glasses；Described steering wheel 10 is connected by I/O mouth with singlechip controller 4, changes its rotational angle according to type of lenses, zooms into picture when by object plate 9 for presbyopic glasses, then removes enlarging lens 12 when for concave lens；Described enlarging lens support 11 is an annulus, and is provided with ledge structure, it is ensured that enlarging lens 12 can closely be positioned on enlarging lens support 11；Described imaging optical screen 13 is a white imaging plane, is positioned at by immediately below object plate 9, and its area is more than by the projection picture of object plate 9；Described industrial camera 14 is positioned at by object plate 9 side, it is connected with master controller 1 by data wire, for obtaining by object plate projection picture, while ensureing that camera fields of view covers by object plate 9 projection picture, increase the angle between camera optical axis and horizontal plane as far as possible.
Known by Fig. 2, be this utility model tested lens clamping device schematic diagram；Described tested lens clamping device 15 is made up of singlechip controller 4, stepper motor driver 5, motor 6, two-way linear leading screw 7 and eyeglass jaw 8, and described stepper motor driver 5 is for providing driving signal for motor 6；Motor 6 is connected with two-way linear leading screw 7, for providing the driving force of two-way linear leading screw 7；Two-way linear leading screw 7 is used for driving eyeglass jaw 8 to move, its monolateral freedom of motion >=10cm；Eyeglass jaw 8 is mounted on two-way linear leading screw 7, for supporting by object plate 9.
Known by Fig. 3, be the schematic diagram of TT&C system in this utility model detection device；Described singlechip controller 4 uses serial ports to be connected with master controller 1, and is connected with stepper motor driver 5 by I/O mouth, moves 6 signals for motor；Master controller 1 sends motor control command to singlechip controller 4, obtains digital picture captured by industrial camera 14 by data wire simultaneously, and combines digital image processing method realization to the judgement by object plate 9 quality.
Known by Fig. 4, be this utility model Digital Image Processing flow chart；A kind of eyeglass planar defect Digital Image Processing detection method, mainly includes that image segmentation, holes filling, morphological erosion, region screening, gray feature extract and the judgement of eyeglass quality；
The segmentation of described image uses region growing method tentatively to extract by object plate projection picture, using by object plate projected image center is seed points, region growing process is carried out for constraints, stop area growth when being included into condition when not having pixel to meet with area grayscale meansigma methods；
Described hole is filled and is extracted all profiles in image segmentation gained region, and is filled with all Internal periphery processing, to fill up leakage cut zone produced by planar defect；
Described morphological erosion is to carry out edge corrosion for territory, hole fill area, removes the edge blurry region produced due to illumination；
The screening of described region is to use zoned circular degree and area about bundle condition that the region after being corroded is screened area-of-interest further, to prevent without by misrecognition during object plate；
It is to calculate area-of-interest gray level co-occurrence matrixes that described gray feature extracts, and extracts the textural characteristics for describing captured eyeglass projection picture such as entropy, dependency, homogeneity and contrast；
Described eyeglass quality judges to refer to according to early stage set up qualitative data storehouse information, realizes parameters such as specific entropy, dependency, homogeneity and contrasts judging eyeglass quality.
Claims (5)
1. an eyeglass planar defect automatic detection device, is made up of master controller (1), darkroom cabinet (2), light source (3), enlarging lens holder device, enlarging lens (12), imaging optical screen (13) and industrial camera (14), tested lens clamping device (15)；nullDescribed tested lens clamping device (15) is by singlechip controller (4)、Stepper motor driver (5)、Motor (6)、Two-way linear leading screw (7) and eyeglass jaw (8) composition，Tested lens clamping device (15) is installed in darkroom cabinet (2)，Make by object plate (9) plane with light source (3) optical axis in vertical state，It is characterized in that: described singlechip controller (4) uses serial ports to be connected with master controller (1)，And be connected with stepper motor driver (5) and motor (6) by I/O mouth，Motor (6) is connected with two-way linear leading screw (7) again，Eyeglass jaw (8) is mounted on two-way linear leading screw (7)，For supporting by object plate (9)，Described two-way linear leading screw (7) drives eyeglass jaw (8) mobile，Its monolateral freedom of motion >=10cm.
A kind of eyeglass planar defect automatic detection device the most according to claim 1, it is characterised in that: described darkroom cabinet (2) is a frame structure, is used for providing Machine Vision Detection environment, isolation external environmental light interference；Described light source (3) is installed on darkroom cabinet (2) top, its optical axis be centrally located at same vertical line by object plate (9) and enlarging lens (12), and distance is by object plate (9) physical size >=40cm.
A kind of eyeglass planar defect automatic detection device the most according to claim 1, it is characterized in that: described enlarging lens holder device is by steering wheel (10), enlarging lens support (11) and enlarging lens (12) composition, it is arranged on the underface of tested lens clamping device (15), make to be centrally located at same vertical by object plate (9) with enlarging lens (12), described steering wheel (10) is connected by I/O mouth with singlechip controller (4), its rotational angle is changed according to type of lenses, described enlarging lens support (11) is an annulus, and it is provided with ledge structure, enlarging lens (12) is made closely to be positioned on enlarging lens support (11) step.
A kind of eyeglass planar defect automatic detection device the most according to claim 1, it is characterised in that: described imaging optical screen (13) is a white imaging plane, is positioned at by immediately below object plate (9), and its area is more than by the projection picture of object plate (9).
A kind of eyeglass planar defect automatic detection device the most according to claim 1, it is characterised in that: described industrial camera (14) is arranged on by the side of object plate (9), is connected with master controller (1) by data wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620234479.XU CN205593939U (en) | 2016-03-25 | 2016-03-25 | Surface form defect automatic checkout device of lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620234479.XU CN205593939U (en) | 2016-03-25 | 2016-03-25 | Surface form defect automatic checkout device of lens |
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| CN205593939U true CN205593939U (en) | 2016-09-21 |
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| CN201620234479.XU Active CN205593939U (en) | 2016-03-25 | 2016-03-25 | Surface form defect automatic checkout device of lens |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505122A (en) * | 2017-08-31 | 2017-12-22 | 浙江舜宇光学有限公司 | Optical detection apparatus |
| CN108240995A (en) * | 2016-12-27 | 2018-07-03 | 张家港康得新光电材料有限公司 | Detecting system, detection method and the device of diaphragm |
| CN111551564A (en) * | 2020-06-29 | 2020-08-18 | 无锡工艺职业技术学院 | Lens detection device based on machine vision |
| WO2021179680A1 (en) * | 2020-03-13 | 2021-09-16 | 苏州鑫睿益荣信息技术有限公司 | Machine vision-based windshield scratch continuous-detection apparatus and detection method |
-
2016
- 2016-03-25 CN CN201620234479.XU patent/CN205593939U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240995A (en) * | 2016-12-27 | 2018-07-03 | 张家港康得新光电材料有限公司 | Detecting system, detection method and the device of diaphragm |
| CN107505122A (en) * | 2017-08-31 | 2017-12-22 | 浙江舜宇光学有限公司 | Optical detection apparatus |
| WO2021179680A1 (en) * | 2020-03-13 | 2021-09-16 | 苏州鑫睿益荣信息技术有限公司 | Machine vision-based windshield scratch continuous-detection apparatus and detection method |
| CN111551564A (en) * | 2020-06-29 | 2020-08-18 | 无锡工艺职业技术学院 | Lens detection device based on machine vision |
| CN111551564B (en) * | 2020-06-29 | 2022-06-14 | 无锡工艺职业技术学院 | Lens detection device based on machine vision |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240307 Address after: 212331 No. 188 Danfu Road, Danyang City, Zhenjiang City, Jiangsu Province Patentee after: JIANGSU WANXIN OPTICAL Co.,Ltd. Country or region after: China Address before: 212300 No. 98, Dan Fu Road, Danyang, Zhenjiang, Jiangsu Patentee before: DANYANG JINGTONG GLASSES TECHNOLOGY INNOVATION SERVICE CENTRAL Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |