CN203490182U - Novel glass tube defect visual detection device - Google Patents
Novel glass tube defect visual detection device Download PDFInfo
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- CN203490182U CN203490182U CN201320567488.7U CN201320567488U CN203490182U CN 203490182 U CN203490182 U CN 203490182U CN 201320567488 U CN201320567488 U CN 201320567488U CN 203490182 U CN203490182 U CN 203490182U
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Abstract
A novel glass tube defect visual detection device is characterized in that a camera and a lens are connected together and are positioned at one side of a glass tube; the facing direction of the camera is vertical to the surface of the glass tube; a backlight source is arranged at one side of the extending line, facing the glass tube, of the lens facing the light-emitting surface of the backlight source; a transparent calibration board is arranged between the backlight source and the glass tube. The transparent calibration board is at least provided with one opaque line section and the surface of the transparent calibration board is vertical to the facing direction of the lens. The backlight source can emit any one homogeneous light, and an included angle of 0-180 degrees is formed between the light-emitting surface of the backlight source and the facing direction of the lens. The novel glass tube defect visual detection device can effectively solve the problem of difficult detection on the glass tube quality, so the production and detection efficiency of the glass tube is improved, the safety loopholes of the glass tube products are reduced, and the novel glass tube defect visual detection device has very obvious economic benefits and social benefits.
Description
Technical field
The utility model relates to a kind of pick-up unit of glass tube defect, specially refers to a kind of vision inspection apparatus of glass tube defect.
Background technology
Glassware is widely used in people's economic life, and glassware can be divided into glass sheet, glass tube and irregular vitreum according to profile.Wherein glass tube is widely applied in daily life, such as daylight lamp, desk lamp, medical needle tubing etc.In founding production run, may there is the defects such as calculus, bubble, striped and furuncle knurl in transparent glass tube.On Production of Glass streamline, the speed of production of glass tube reaches 3～5 meter per seconds.Because glass tube is transparent, to light, can produce refraction and reflection, adopt laser or common vision detection technology cannot accomplish effective detection of glass tube defect.Production of Glass streamline all adopts the method for human eye detection at present, there is the blind spot of vision in the defect of human eye detection glass tube, reason due to light, human eye must just can recognize the defect on glass tube in specific angle, and due to the speed of production requirement of glass tube product, human eye cannot be caught up with the movement velocity of product, thus be with defective glass tube to come into the market in enormous quantities, along with state's outer glass pipe product order increase and product quality requires to be tending towards strict.The factory that produces glass tube can only carry out quality testing to transparent glass tube product by increasing a large amount of manpowers, has increased production cost and the production cycle of glass tube, causes declining to a great extent of product competitiveness.
In order to solve the problem of above-mentioned glass tube defects detection difficulty, the scientific research institution of the factory of Production of Glass and various production testing equipment and producer have all dropped into a large amount of resources and have researched and developed and design, but effect is not clearly.Therefore for the problems referred to above, designing batch production that a kind of glass tube defective vision detection method adapts to Production of Glass streamline becomes and has at present technical task to be solved.
Summary of the invention
The utility model is intended to address the above problem, a kind of problem that solves glass tube quality testing difficulty is provided, improve a kind of new glass tube defective vision detection method of Production of Glass and detection efficiency, and designed the device that a kind of new glass tube defective vision detects.
For achieving the above object, the utility model provides a kind of new glass tube defective vision pick-up unit, comprise camera, camera lens, transparent calibrated plate and backlight, it is characterized in that: camera and camera lens link together, camera and camera lens are positioned at a side of glass tube, and the direction of camera lens indication is vertical with glass tube surface, and backlight is positioned at the side that camera lens points to the extended line of glass tube, camera lens points to the light-emitting area of backlight, and transparent calibrated plate is placed between backlight and glass tube.
Described camera, can be line-scan digital camera, can be also area array cameras.
Described camera lens, can be tight shot, can be also zoom lens.
Described transparent calibrated plate, has a nontransparent straight-line segment at least, and can adopt linear pattern or grid type scaling board according to camera type, and transparent calibrated plate surface is vertical with camera lens direction.
Described backlight, can send out any one monochromatic light.
Described backlight, light-source brightness can be constant brightness, can be also brightness-adjustable.
The light-emitting area of described backlight and camera lens direction have 0 degree to the angle between 180 degree.
Contribution of the present utility model is, it has broken through the limitation of existing glass tube detection method, a kind of method that adopts vision detection technology to replace human eye to detect has been proposed, and a kind of method that mode that adopts transparent calibrated plate and backlight combination detects glass tube defect proposed, effectively avoided refraction and the reflections affect of glass tube for direct projection light, make the imaging clearly of glass tube, by the nontransparent straight-line segment on transparent calibrated plate, the optical skew that the defect on glass tube can be caused clearly shows in image, final embodiment is exactly that nontransparent straight-line segment on transparent calibrated plate interrupts, imperfect, distortion or distortion.Compare with existing glass tube detection method, the utlity model has following distinguishing feature:
One, proposed a kind of method that adopts vision detection technology to replace human eye to detect, can effectively detect glass tube defect;
Two, the optical skew by the nontransparent straight-line segment on transparent calibrated plate, the defect on glass tube being caused clearly shows in image, when glass tube defect being detected, be presented as that nontransparent straight-line segment on transparent calibrated plate interrupts, imperfect, distortion or distortion, thereby by the nontransparent straight-line segment on transparent calibrated plate interrupt, there is defect in imperfect, distortion or distortion judgement glass tube;
Three, adopt the method for vision-based detection easier, simple in structure, be easy to realize, for the online detection of Production of Glass line, can greatly save cost of labor, shorten product quality sense cycle;
The economic benefit four, with highly significant, effectively improves the Quality and yield of glass tube product, improves the competitive power of glass tube product; Glass tube is the requirement in people's daily life, and the quality that has improved glass tube must reduce the security incident in the use of glass tube product, reduces potential safety hazard, has very significantly social benefit.
Accompanying drawing explanation
Fig. 1 is that the utility model adopts the vision inspection apparatus of camera, camera lens, transparent calibrated plate and backlight composition to carry out the Facad structure figure of glass tube defects detection, wherein (1) is camera, (2) be camera lens, (3) be glass tube, (4) be transparent calibrated plate, (5) are backlights.
Fig. 2 is that the utility model adopts the vision inspection apparatus of camera, camera lens, transparent calibrated plate and backlight composition to carry out the construction profile of glass tube defects detection, wherein (1) is camera, (2) be camera lens, (3) be glass tube, (4) be transparent calibrated plate, (5) are backlights.
Fig. 3 is that the utility model adopts the vision inspection apparatus of camera, camera lens, transparent calibrated plate and backlight composition to carry out the diagrammatic cross-section of glass tube defects detection, wherein (1) is camera, (2) be camera lens, (3) be glass tube, (4) be transparent calibrated plate, (5) are backlights.
Fig. 4 is that the utility model adopts the vision inspection apparatus of line-scan digital camera, camera lens, transparent calibrated plate and backlight composition to carry out the diagrammatic cross-section of glass tube defects detection, wherein (1) is line-scan digital camera, (2) be camera lens, (3) be glass tube, (4) be linear pattern transparent calibrated plate, (5) are backlights.
Fig. 5 is that the utility model adopts the vision inspection apparatus of area array cameras, camera lens, transparent calibrated plate and backlight composition to carry out the diagrammatic cross-section of glass tube defects detection, wherein (1) is area array cameras, (2) be camera lens, (3) be glass tube, (4) be grid type transparent calibrated plate, (5) are backlights.
Fig. 6 is that the utility model adopts the vision inspection apparatus of camera, camera lens, transparent calibrated plate and backlight composition to carry out the vertical view of glass tube defects detection, wherein (1) is camera, (3) be glass tube, (4) are transparent calibrated plates, and (5) are backlights.
Fig. 7 is that the utility model adopts the vision inspection apparatus of line-scan digital camera, camera lens, transparent calibrated plate and backlight composition to carry out the vertical view of glass tube defects detection, wherein (1) is line-scan digital camera, (3) be glass tube, (4) be linear pattern transparent calibrated plate, (5) are backlights.
Fig. 8 is that the utility model adopts the vision inspection apparatus of area array cameras, camera lens, transparent calibrated plate and backlight composition to carry out servant's view of glass tube defects detection, wherein (1) is area array cameras, (3) be glass tube, (4) be grid type transparent calibrated plate, (5) are backlights.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated.
Fig. 3 is the sectional view of camera described in the utility model, camera lens, transparent calibrated plate, glass tube, the glass tube defect inspection method of backlight composition and the first embodiment of device thereof, and Fig. 6 is the vertical view of the first embodiment for this reason.This glass tube defect inspection method and device contrast traditional glass pipe detection method thereof, the vision inspection apparatus that adopts camera and camera lens to form replaces human eye to carry out the detection of glass tube, adopt backlight to replace daylight lamp or other types light source, can effectively avoid glass tube refract light or catoptrical impact, it is clear to obtain, stable image, adopt transparent calibrated plate to be placed between camera lens and glass tube, because the defect on glass tube can cause optical change, cause the straight-line segment on transparent calibrated plate to interrupt, imperfect, distortion or distortion, make can reflect clearly on the image of collected by camera the defect state of glass tube, thereby draw the testing result needing.
Fig. 4 is the sectional view of line-scan digital camera described in the utility model, camera lens, linear pattern transparent calibrated plate, glass tube, the glass tube defect inspection method of backlight composition and the second embodiment of device thereof, and Fig. 7 is the vertical view of the second embodiment for this reason.This glass tube defect inspection method and device contrast traditional glass pipe detection method thereof, the vision inspection apparatus that adopts camera and camera lens to form replaces human eye to carry out the detection of glass tube, adopt backlight to replace daylight lamp or other types light source, can effectively avoid glass tube refract light or catoptrical impact, it is clear to obtain, stable image, adopt transparent calibrated plate to be placed between camera lens and glass tube, because the defect on glass tube can cause optical change, cause the straight-line segment on transparent calibrated plate to interrupt, imperfect, distortion or distortion, make can reflect clearly on the image of collected by camera the defect state of glass tube, thereby draw the testing result needing.
Fig. 5 is the sectional view of area array cameras described in the utility model, camera lens, grid type transparent calibrated plate, glass tube, the glass tube defect inspection method of backlight composition and the 3rd embodiment of device thereof, and Fig. 8 is the vertical view of the 3rd embodiment for this reason.This glass tube defect inspection method and device contrast traditional glass pipe detection method thereof, the vision inspection apparatus that adopts camera and camera lens to form replaces human eye to carry out the detection of glass tube, adopt backlight to replace daylight lamp or other types light source, can effectively avoid glass tube refract light or catoptrical impact, it is clear to obtain, stable image, adopt transparent calibrated plate to be placed between camera lens and glass tube, because the defect on glass tube can cause optical change, cause the mesh lines on transparent calibrated plate to interrupt, imperfect, distortion or distortion, make can reflect clearly on the image of collected by camera the defect state of glass tube, thereby draw the testing result needing.
Fig. 1 is the Facad structure schematic diagram of camera described in the utility model, camera lens, transparent calibrated plate, glass tube, the glass tube defect inspection method of backlight composition and above first, second, third embodiment of device thereof.This glass tube defect inspection method and device contrast traditional glass pipe detection method thereof, the vision inspection apparatus that adopts camera and camera lens to form replaces human eye to carry out the detection of glass tube, adopt backlight to replace daylight lamp or other types light source, can effectively avoid glass tube refract light or catoptrical impact, it is clear to obtain, stable image, adopt transparent calibrated plate to be placed between camera lens and glass tube, because the defect on glass tube can cause optical change, cause the straight-line segment on transparent calibrated plate to interrupt, imperfect, distortion or distortion, make can reflect clearly on the image of collected by camera the defect state of glass tube, thereby draw the testing result needing.
Fig. 2 is the side structure schematic diagram of camera described in the utility model, camera lens, transparent calibrated plate, glass tube, the glass tube defect inspection method of backlight composition and above first, second, third embodiment of device thereof.This glass tube defect inspection method and device contrast traditional glass pipe detection method thereof, the vision inspection apparatus that adopts camera and camera lens to form replaces human eye to carry out the detection of glass tube, adopt backlight to replace daylight lamp or other types light source, can effectively avoid glass tube refract light or catoptrical impact, it is clear to obtain, stable image, adopt transparent calibrated plate to be placed between camera lens and glass tube, because the defect on glass tube can cause optical change, cause the straight-line segment on transparent calibrated plate to interrupt, imperfect, distortion or distortion, make can reflect clearly on the image of collected by camera the defect state of glass tube, thereby draw the testing result needing.
Although the utility model is disclosed by above embodiment, but scope of the present utility model is not limited to this, do not departing under the condition of the utility model design, similar or the equivalent element that each member can be understood with affiliated technical field personnel is above replaced, number of straight segments on the transparent calibrated plate the utility model proposes is also can parameter, comprises 1 or a plurality of straight-line segment.
In sum, a kind of new glass tube defective vision detection method the utility model proposes and device thereof have realizes every advantages such as simple, cost is low, pollution-free, stable, can effectively solve the low problem of detection efficiency in current Production of Glass, effectively improve the Quality and yield of glass tube product, there is the economic benefit of highly significant; Glass tube is the requirement in people's daily life, has improved direct result that the quality of glass tube brings and is and reduced the security incident of glass tube product in using, and reduces potential safety hazard, has very significantly social benefit.
Claims (9)
1. a new glass tube defective vision pick-up unit, comprise camera, camera lens, transparent calibrated plate and backlight, it is characterized in that: camera and camera lens link together, camera and camera lens are positioned at a side of glass tube, the direction of camera lens indication is vertical with glass tube surface, backlight is positioned at the side that camera lens points to the extended line of glass tube, and camera lens points to the light-emitting area of backlight, and transparent calibrated plate is placed between backlight and glass tube.
2. a kind of new glass tube defective vision pick-up unit as claimed in claim 1, is characterized in that: described camera, can adopt line-scan digital camera or area array cameras.
3. a kind of new glass tube defective vision pick-up unit as claimed in claim 1, is characterized in that: described camera lens, can adopt tight shot or zoom lens.
4. a kind of new glass tube defective vision pick-up unit as claimed in claim 1, is characterized in that: described transparent calibrated plate, has a nontransparent straight-line segment at least.
5. a kind of new glass tube defective vision pick-up unit as claimed in claim 4, is characterized in that: described transparent calibrated plate, can adopt linear pattern scaling board or grid type scaling board according to camera type.
6. a kind of new glass tube defective vision pick-up unit as claimed in claim 4, is characterized in that: described transparent calibrated plate surface is vertical with camera lens direction.
7. a kind of new glass tube defective vision pick-up unit as claimed in claim 1, is characterized in that: the light-emitting area of described backlight and camera lens direction have 0 degree to the angle between 180 degree.
8. a kind of new glass tube defective vision pick-up unit as claimed in claim 1, is characterized in that: described backlight, can send out any one monochromatic light.
9. a kind of new glass tube defective vision pick-up unit as claimed in claim 8, is characterized in that: described backlight, light-source brightness can be constant brightness or brightness-adjustable, if brightness-adjustable can adopt manual adjustments mode or digital regulated mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567488.7U CN203490182U (en) | 2013-09-09 | 2013-09-09 | Novel glass tube defect visual detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567488.7U CN203490182U (en) | 2013-09-09 | 2013-09-09 | Novel glass tube defect visual detection device |
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| CN203490182U true CN203490182U (en) | 2014-03-19 |
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| CN201320567488.7U Expired - Fee Related CN203490182U (en) | 2013-09-09 | 2013-09-09 | Novel glass tube defect visual detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472072A (en) * | 2013-09-09 | 2013-12-25 | 深圳市维图视技术有限公司 | Novel visual inspection method and device for glass tube defects |
-
2013
- 2013-09-09 CN CN201320567488.7U patent/CN203490182U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472072A (en) * | 2013-09-09 | 2013-12-25 | 深圳市维图视技术有限公司 | Novel visual inspection method and device for glass tube defects |
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