CN111505022A - Visual inspection device for detecting appearance defects of glass - Google Patents
Visual inspection device for detecting appearance defects of glass Download PDFInfo
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- CN111505022A CN111505022A CN202010245983.0A CN202010245983A CN111505022A CN 111505022 A CN111505022 A CN 111505022A CN 202010245983 A CN202010245983 A CN 202010245983A CN 111505022 A CN111505022 A CN 111505022A
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- glass
- support
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- arm
- inspection device
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- 239000011521 glass Substances 0.000 title claims abstract description 50
- 230000007547 defect Effects 0.000 title claims abstract description 20
- 238000011179 visual inspection Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 51
- 239000000428 dust Substances 0.000 claims description 10
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 9
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 9
- 238000007689 inspection Methods 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000002537 cosmetic Substances 0.000 claims 1
- 239000005315 stained glass Substances 0.000 claims 1
- 239000010408 film Substances 0.000 abstract description 24
- 239000010409 thin film Substances 0.000 abstract description 6
- 210000003128 head Anatomy 0.000 abstract description 3
- 230000009982 effect on human Effects 0.000 abstract description 2
- 238000009792 diffusion process Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/958—Inspecting transparent materials or objects, e.g. windscreens
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention provides a visual inspection device for detecting the appearance defects of glass, which comprises a base frame, wherein a transparent detection platform is fixed on the base frame, a light-emitting component is arranged below the transparent detection platform, and an anti-static film covers the upper surface of the transparent detection platform; the base frame both sides are fixed with the reflection support respectively and observe the support, and the reflection support is connected with the mirror holder through adjustable swing arm subassembly, are fixed with the speculum in the mirror holder, are fixed with coloured light-passing board on observing the support, and the plane of reflection of speculum has white printing ink thin layer towards coloured light-passing board and transparent testing platform, and the one side that the speculum was kept away from to coloured light-passing board covers. The invention can reflect and project the image of the glass to be detected which is horizontally placed into the white ink film layer, and the inspector can realize detection through head sight; the colored light-transmitting plate filters light and then projects the filtered light to the white ink thin film layer, so that the detection precision can be improved, and the glaring effect on human eyes can be effectively reduced by the filtered light.
Description
Technical Field
The invention relates to glass appearance detection, and particularly discloses a visual inspection device for detecting glass appearance defects.
Background
The molecular arrangement of the glass is irregular, the molecules of the glass have statistical uniformity in space, and in an ideal state, the physical and chemical properties of the homogeneous glass are the same in all directions, so that the glass has good perspective and light transmittance performances and good space division capacity.
The glass is applied to various fields in work and life, such as screens of electronic products, automobile glass, partition plate glass and the like, and after the glass is produced and obtained, appearance defects such as cracks, bubbles and the like of the glass need to be detected so as to ensure the performance of the glass. In the prior art, an inspector generally irradiates glass by holding an illuminator and directly observes a glass plate by naked eyes to realize appearance detection, a leakage area is easy to appear in the detection mode, the detection reliability is insufficient, the inspector not only needs to hold the illuminator by hand, but also needs to lower the head for long time to carry out detection work, and the working intensity is high; in addition, reflected light formed by part of the illumination light on the smooth surface of the glass can cause dazzling and dazzling influences on detection personnel, so that the detection precision is reduced, and the eye health of people is harmed.
Disclosure of Invention
In view of the above, it is necessary to provide a visual inspection device for detecting defects in the appearance of glass, in which an inspector can perform inspection operation by looking up the glass, and the inspector has low labor intensity, high inspection accuracy, and high safety.
In order to solve the problems of the prior art, the invention discloses a visual inspection device for detecting the appearance defects of glass, which comprises a base frame, wherein a transparent detection platform is fixed on the base frame, a light-emitting component is arranged below the transparent detection platform, and the upper surface of the transparent detection platform is covered with an anti-static film;
the relative both sides of base frame are fixed with the reflection support respectively and observe the support, and the reflection support is connected with the mirror holder through adjustable swing arm subassembly, is fixed with the speculum in the mirror holder, observes to be fixed with coloured light-passing board on the support, and the plane of reflection of speculum has white printing ink thin layer towards coloured light-passing board and transparent testing platform, and the one side that the speculum was kept away from to coloured light-passing board covers.
Further, the transparent detection platform is a PMMA plate or a glass plate.
Furthermore, the anti-static film is a transparent conductive metal layer and is connected with a grounding wire.
Furthermore, an on-off switch is connected between the anti-static film and the grounding wire.
Furthermore, the anti-static film is an ITO film.
Furthermore, a dust removal fan is arranged on the base frame, and an air outlet of the dust removal fan faces the transparent detection platform.
Furthermore, the light-emitting component comprises a diffusion plate, one side of the diffusion plate, which is far away from the transparent detection platform, is provided with a plurality of light sources, and one side of each light source, which is close to the diffusion plate, is provided with a divergent lens.
Furthermore, one surface of the diffusion plate, which is far away from the divergent lens, is covered with a brightness enhancement film.
Furthermore, the adjustable swing arm assembly comprises a first support arm and a second support arm, one end of the first support arm is rotatably connected with the reflection support, the other end of the first support arm is rotatably connected with the second support arm, and one end of the second support arm, which is far away from the first support arm, is rotatably connected with the mirror bracket; a first nut is fixed at one end of the reflection support close to the first support arm, and a first screw penetrates through the first support arm and the reflection support and then is in threaded connection with the first nut; a second nut is fixed at one end of the first support arm close to the second support arm, and a second screw penetrates through the second support arm and the first support arm and then is in threaded connection with the second nut; and a third nut is fixed at one end of the second support arm close to the mirror bracket, and a third screw penetrates through the mirror bracket and the second support arm and then is in threaded connection with the third nut.
Further, the colored light-transmitting plate is a colored glass plate or a colored PMMA plate.
The invention has the beneficial effects that: the invention discloses a visual inspection device for detecting the appearance defects of glass, which is provided with a special reflection structure, can reflect and project an image of glass to be detected horizontally to a white ink thin film layer in a reflection projection mode, and an inspector can realize detection operation by observing a luminous projection image in the white ink thin film layer in a head-up mode, so that the working intensity of workers is low, and the detection precision is high; in addition, the colored light-transmitting plates are used for filtering light and then finally projecting the filtered light to the white ink thin film layer, so that the contrast of a projected image can be effectively improved, the detection precision is improved, the dazzling effect on human eyes can be effectively reduced by the filtered light, and the health of human eyes is facilitated.
Drawings
Fig. 1 is a schematic top view of the present invention.
FIG. 2 is a schematic cross-sectional view taken along line A-A' of FIG. 1.
The reference signs are: the device comprises a base frame 10, a transparent detection platform 11, an anti-static film 12, a ground wire 121, an on-off switch 122, a reflection support 13, an observation support 14, a dust removal fan 15, a light emitting component 20, a diffusion plate 21, a light source 22, a divergent lens 23, a brightness enhancement film 24, an adjustable swing arm component 30, a first support arm 31, a first nut 311, a first screw 312, a second support arm 32, a second nut 321, a second screw 322, a third nut 331, a third screw 332, a mirror frame 40, a reflector 41, a colored transparent plate 50 and a white ink film layer 51.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Refer to fig. 1 and 2.
The embodiment of the invention discloses a visual inspection device for detecting the appearance defects of glass, which comprises a base frame 10, wherein a transparent detection platform 11 which is laid horizontally is fixed on the base frame 10, a light-emitting component 20 is arranged below the transparent detection platform 11, the light-emitting component 20 is fixed in the base frame 10, the light-emitting surface of the light-emitting component 20 faces the transparent detection platform 11, and the upper surface of the transparent detection platform 11 is covered with a light-transmitting anti-static film 12;
When the detection device is used, a glass plate to be detected is placed on the transparent detection platform 11, light emitted by the light-emitting component 20 passes through the transparent detection platform 11 and reaches the glass plate to be detected, the light passing through the glass plate to be detected is reflected to the colored light-transmitting plate 50 at the position of the reflector 41, the colored light passing through the colored light-transmitting plate 50 forms a colored projection image of the glass plate to be detected in the white ink thin film layer 51, a detector directly observes the colored projection image with high contrast on the white ink thin film layer 51 and can judge whether the detection glass has appearance defects, and the detection result is reliable; in addition, the direct head-up of inspector observes white printing ink thin layer 51 alright acquire the projection image that is used for detecting, and detection operation is convenient, need not inspector and lowers head work, can effectively reduce inspector's working strength, and light obtains effectual filtration after colored light-passing board 50, can reduce the dazzling effect that colored projection image caused to people's eye in the white printing ink thin layer 51, can effectively slow down the fatigue that produces when inspector detects to improve inspector's detection work precision.
In this embodiment, the transparent detection platform 11 is a transparent PMMA plate or a glass plate, and PMMA is also called polymethyl methacrylate (PMMA), which has the advantages of high light transmittance and low cost.
In this embodiment, the anti-static film 12 is a transparent conductive metal layer, the anti-static film 12 is connected to the ground line 121, and the anti-static film 12 can guide static electricity on the surface of the anti-static film to the ground through the ground line 121, so that the glass plate to be detected can be effectively prevented from being tightly attached to the surface of the transparent detection platform 11 due to the electrostatic adsorption effect and being difficult to take out.
Based on the above embodiment, the on-off switch 122 is connected between the anti-static film 12 and the ground line 121, and the on-off switch 122 is used to connect and disconnect the anti-static film 12 and the ground line 121. When the glass plate to be detected is placed, the on-off switch 122 is switched off, so that the position of the glass plate to be detected can be stabilized through the electrostatic adsorption effect, and the detection precision is prevented from being influenced by the position of the glass plate to be detected in the detection process; after the detection is finished, the on-off switch 122 is connected, and the static electricity on the surface of the anti-static film 12 can be effectively released, so that a detector can conveniently take out the glass plate to be detected.
Based on any of the above embodiments, the anti-static film 12 is an ITO film, the ITO is tin-doped indium tin oxide, and the ITO film has a light transmittance of more than 80%, and has good transparency and conductivity.
In this embodiment, the base frame 10 is provided with the dust removal fan 15, an air outlet of the dust removal fan 15 faces the transparent detection platform 11, when the visual inspection device is in a standby state, the dust removal fan 15 is started, and the dust removal fan 15 is driven by wind power to remove dust and stains on the surface of the transparent detection platform 11, so that a cleaner environment can be provided for appearance detection, and a detection result is more accurate.
In the present embodiment, the light emitting module 20 includes a diffusion plate 21, a plurality of light sources 22 are disposed on a side of the diffusion plate 21 away from the transparent testing platform 11, a divergent lens 23, i.e. a concave lens, is disposed on a side of each light source 22 close to the diffusion plate 21, preferably, the light sources 22 are L ED light beads, light emitted from the light sources 22 reaches the diffusion plate 21 after being scattered by the divergent lens 23, the diffusion plate 21 homogenizes light from each divergent lens 23, and provides a uniform and high-brightness lighting effect for the transparent testing platform 11.
Based on the above embodiment, one surface of the diffusion plate 21 away from the diverging lens 23 is covered with the brightness enhancement film 24, and the illumination brightness provided by the light emitting assembly 20 for the transparent detection platform 11 can be effectively improved through the brightness enhancement film 24, so as to improve the detection precision.
In this embodiment, the adjustable swing arm assembly 30 includes a first arm 31 and a second arm 32, one end of the first arm 31 is rotatably connected to the reflection bracket 13, the other end of the first arm 31 is rotatably connected to the second arm 32, and one end of the second arm 32, which is far from the first arm 31, is rotatably connected to the mirror holder 40. The method specifically comprises the following steps: a first nut 311 is fixed at one end of the reflection bracket 13 close to the first support arm 31, and a first screw 312 penetrates through the first support arm 31 and the reflection bracket 13 and then is in threaded connection with the first nut 311; a second nut 321 is fixed at one end of the first support arm 31 close to the second support arm 32, and a second screw 322 passes through the second support arm 32 and the first support arm 31 and then is in threaded connection with the second nut 321; a third nut 331 is fixed at one end of the second support arm 32 close to the mirror frame 40, a third screw 332 penetrates through the mirror frame 40 and the second support arm 32 and then is in threaded connection with the third nut 331, and by loosening the nut and the screw, an included angle between two adjacent structures of the mirror frame 40, the second support arm 32, the first support arm 31 and the reflection bracket 13 can be adjusted, so that the position and the angle of the reflector 41 in the mirror frame 40 can be effectively adjusted, and light from the transparent detection platform 11 can be reflected to the colored light-transmitting plate 50 at the reflector 41.
In this embodiment, the colored transparent plate 50 is a colored glass plate or a colored PMMA plate with a light transmittance of more than 80%, and has a good see-through property.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The visual inspection device for detecting the appearance defects of the glass is characterized by comprising a base frame (10), wherein a transparent detection platform (11) is fixed on the base frame (10), a light-emitting component (20) is arranged below the transparent detection platform (11), and an anti-static film (12) covers the upper surface of the transparent detection platform (11);
the utility model discloses a transparent detection platform, including base frame (10), reflection support (13) and observation support (14), reflection support (13) are fixed with reflection support (13) and observe support (14) respectively through adjustable swing arm subassembly (30), be fixed with speculum (41) in mirror holder (40), be fixed with coloured light-passing board (50) on observing support (14), the plane of reflection of speculum (41) moves towards coloured light-passing board (50) with transparent detection platform (11), coloured light-passing board (50) are kept away from the one side of speculum (41) covers there is white printing ink thin layer (51).
2. A visual inspection device for detecting defects in the appearance of glass according to claim 1, characterised in that said transparent inspection platform (11) is a PMMA plate or a glass plate.
3. A visual inspection device for detecting defects in the appearance of glass as claimed in claim 1, characterised in that said antistatic film (12) is a light-transmissive conductive metal layer, said antistatic film (12) being connected to a ground line (121).
4. A visual inspection device for detecting defects in the appearance of glass as claimed in claim 3, characterized in that an on-off switch (122) is connected between the antistatic film (12) and the earth wire (121).
5. A visual inspection device for detecting cosmetic defects in glass according to claim 3 or 4, characterised in that said antistatic film (12) is an ITO film.
6. The visual inspection device for detecting the appearance defects of glass according to claim 1, wherein a dust removal fan (15) is arranged on the base frame (10), and an air outlet of the dust removal fan (15) faces the transparent detection platform (11).
7. A visual inspection device for detecting defects in the appearance of glass as claimed in claim 1, wherein said lighting assembly (20) comprises a diffuser plate (21), said diffuser plate (21) being provided with a plurality of light sources (22) on the side remote from said transparent inspection platform (11), each light source (22) being provided with a diverging lens (23) on the side close to said diffuser plate (21).
8. A visual inspection device for detecting defects in the appearance of glass as claimed in claim 7, characterized in that the face of the diffuser plate (21) remote from the diverging lens (23) is covered with a brightness enhancement film (24).
9. A visual inspection device for detecting defects in the appearance of glass as claimed in claim 1, wherein said adjustable swing arm assembly (30) comprises a first arm (31) and a second arm (32), one end of said first arm (31) being pivotally connected to said reflective support (13), the other end of said first arm (31) being pivotally connected to said second arm (32), the end of said second arm (32) remote from said first arm (31) being pivotally connected to said frame (40); a first nut (311) is fixed at one end, close to the first support arm (31), of the reflection support (13), and a first screw (312) penetrates through the first support arm (31) and the reflection support (13) and then is in threaded connection with the first nut (311); a second nut (321) is fixed at one end of the first support arm (31) close to the second support arm (32), and a second screw (322) penetrates through the second support arm (32) and the first support arm (31) and then is in threaded connection with the second nut (321); and a third nut (331) is fixed at one end, close to the mirror bracket (40), of the second support arm (32), and a third screw (332) penetrates through the mirror bracket (40) and the second support arm (32) and then is in threaded connection with the third nut (331).
10. A visual inspection device for detecting defects in the appearance of glass according to claim 1, characterised in that the coloured light-transmitting plate (50) is a coloured glass plate or a coloured PMMA plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010245983.0A CN111505022A (en) | 2020-03-31 | 2020-03-31 | Visual inspection device for detecting appearance defects of glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010245983.0A CN111505022A (en) | 2020-03-31 | 2020-03-31 | Visual inspection device for detecting appearance defects of glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111505022A true CN111505022A (en) | 2020-08-07 |
Family
ID=71871828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010245983.0A Pending CN111505022A (en) | 2020-03-31 | 2020-03-31 | Visual inspection device for detecting appearance defects of glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111505022A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116327097A (en) * | 2023-03-03 | 2023-06-27 | 上海交通大学医学院附属第九人民医院 | Method and device for measuring size of tumor by endoscope |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3666360A (en) * | 1970-02-02 | 1972-05-30 | Pilkington Brothers Ltd | Method and apparatus for inspecting a glass surface |
| JP2004198164A (en) * | 2002-12-17 | 2004-07-15 | Sumitomo Chem Co Ltd | Visual inspection table |
| JP2005292166A (en) * | 2004-03-31 | 2005-10-20 | Mizuno Corp | Rear screen apparatus |
| JP2006259028A (en) * | 2005-03-16 | 2006-09-28 | Mizuno Corp | Transmission screen and manufacturing method thereof |
| CN101876641A (en) * | 2009-04-30 | 2010-11-03 | 康宁股份有限公司 | Be used for detecting the method and apparatus of the defective of glass plate |
| CN206095969U (en) * | 2016-10-08 | 2017-04-12 | 安徽四新电子有限责任公司 | Film metal level viewing device |
| CN108713162A (en) * | 2016-02-25 | 2018-10-26 | 日华化学株式会社 | Reflection type screen and reflection type screen sheet material |
| CN208983122U (en) * | 2018-10-31 | 2019-06-14 | 福建众益太阳能科技股份公司 | One kind, which shines, uniformly illuminates flat lamp |
| CN209745838U (en) * | 2019-02-18 | 2019-12-06 | 东莞市银泰丰光学科技有限公司 | Surface foreign matter detection device for glass plate |
-
2020
- 2020-03-31 CN CN202010245983.0A patent/CN111505022A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3666360A (en) * | 1970-02-02 | 1972-05-30 | Pilkington Brothers Ltd | Method and apparatus for inspecting a glass surface |
| JP2004198164A (en) * | 2002-12-17 | 2004-07-15 | Sumitomo Chem Co Ltd | Visual inspection table |
| JP2005292166A (en) * | 2004-03-31 | 2005-10-20 | Mizuno Corp | Rear screen apparatus |
| JP2006259028A (en) * | 2005-03-16 | 2006-09-28 | Mizuno Corp | Transmission screen and manufacturing method thereof |
| CN101876641A (en) * | 2009-04-30 | 2010-11-03 | 康宁股份有限公司 | Be used for detecting the method and apparatus of the defective of glass plate |
| CN108713162A (en) * | 2016-02-25 | 2018-10-26 | 日华化学株式会社 | Reflection type screen and reflection type screen sheet material |
| CN206095969U (en) * | 2016-10-08 | 2017-04-12 | 安徽四新电子有限责任公司 | Film metal level viewing device |
| CN208983122U (en) * | 2018-10-31 | 2019-06-14 | 福建众益太阳能科技股份公司 | One kind, which shines, uniformly illuminates flat lamp |
| CN209745838U (en) * | 2019-02-18 | 2019-12-06 | 东莞市银泰丰光学科技有限公司 | Surface foreign matter detection device for glass plate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116327097A (en) * | 2023-03-03 | 2023-06-27 | 上海交通大学医学院附属第九人民医院 | Method and device for measuring size of tumor by endoscope |
| CN116327097B (en) * | 2023-03-03 | 2023-12-05 | 上海交通大学医学院附属第九人民医院 | Method and device for measuring size of tumor by endoscope |
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Application publication date: 20200807 |
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