CN104914114A - Glass tube bubble foreign matter visual inspection device - Google Patents
Glass tube bubble foreign matter visual inspection device Download PDFInfo
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- CN104914114A CN104914114A CN201510268085.6A CN201510268085A CN104914114A CN 104914114 A CN104914114 A CN 104914114A CN 201510268085 A CN201510268085 A CN 201510268085A CN 104914114 A CN104914114 A CN 104914114A
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Abstract
The invention discloses a glass tube bubble foreign matter visual inspection device and relates to the technical field of visual inspection. The glass tube bubble foreign matter visual inspection device comprises a glass tube to be detected, a background plate, a camera, lasers, an industrial control computer and an alarm. The background plate is arranged at a first end of the glass tube. The multiple lasers are arranged at a second end of the glass tube. Laser light is perpendicular to the cross section of the glass tube, then is transmitted into the glass tube from the second end of the glass tube, then goes through the glass tube and then is projected to the background plate. The camera is used for taking a picture of a laser projected image on the background plate and is connected to the industrial control computer in a signal connection way. The alarm is used for alarming when bubble foreign matters are detected and is connected to the industrial control computer in a signal connection way. The glass tube bubble foreign matter visual inspection device has a simple structure, realizes fast and accurate detection of a glass tube containing bubble foreign matters, saves labor and prevents artificial detection instability.
Description
Technical field
The present invention relates to technical field of vision detection, particularly relate to a kind of glass tube bubble foreign matter vision inspection apparatus.
Background technology
Glassware is widely used in daily life, glass tube is widely applied in daily life, because glass tube processing features causes there is the defects such as bubble foreign matter most probably in shaping rear glass tube, in order to select the high-quality glass tube not having this type of defect, need to detect glass tube bubbles foreign matter situation.
Current Production of Glass streamline all adopts the method for human eye detection, there is the blind spot of vision in the defect of human eye detection glass tube, due to the reason of light, human eye just must can recognize the defect on glass tube in specific angle, work long hours down, human eye is easily tired, brings the instability of bubble foreign bodies detection.
Summary of the invention
Based on the technical matters that background technology exists, the present invention proposes a kind of glass tube bubble foreign matter vision inspection apparatus.
A kind of glass tube bubble foreign matter vision inspection apparatus that the present invention proposes, comprises the detection station for placing glass tube to be detected, background board, camera, laser instrument, industrial computer and warning horn;
Background board, is arranged on glass tube first end, and multiple laser instrument is arranged on glass tube second end, and the Laser emission of laser instrument rectifies the end face facing to glass tube second end;
Camera, the laser projection image on background extraction plate;
Warning horn, for warning reminding;
Camera and warning horn are connected with industrial computer signal respectively, industrial computer is by the laser projection image on camera background extraction plate, and the standard picture of above-mentioned laser projection image and its storage is compared, when both difference ratios are [0, x] interval in time obtain the first result of determination, when both difference ratio (x, 1] interval in time obtain the second result of determination, industrial computer controls warning horn and reports to the police with the information outwardly transmitting difference first result of determination and the second result of determination;
Wherein, the value of x is (0,0.5).
Preferably, laser instrument is connected with industrial computer signal, and industrial computer obtains laser instrument opening information, and controls camera unlatching according to laser instrument opening information.
Preferably, the present invention also comprises human-computer interaction interface, human-computer interaction interface is connected with industrial computer signal, by human-computer interaction interface input information to modify to the standard picture stored by industrial computer or to replace, and/or, by human-computer interaction interface input information to modify to parameter x in industrial computer.
Preferably, laser instrument is fixed on laser socket, is distributed as one or more layers, and every layer is all along the circumferential direction arranged, and the diameter of every layer of laser instrument place circumference is greater than the internal diameter of glass tube, and is less than the external diameter of glass tube, and center is on the central shaft of glass tube.
Preferably, every layer of laser instrument is all along the uniform setting of place layer circumferencial direction.
Preferably, camera is fixed on support, and support and laser socket are fixedly attached in rotating shaft jointly, and rotating shaft is connected with drive unit, and drive unit drives camera and Laser synchronisation to rotate, and turning axle overlaps with glass tube central shaft.
In the present invention, pass through refraction principle, employing camera shooting laser projects the projection on background board through glass tube, and by industrial computer, the picture of shooting and normal pictures are analyzed, whether judge in glass tube containing bubble foreign matter, simple and practical, reduce hand labor and avoid the instability of manual detection.
In the present invention, by making camera and laser instrument along the synchronized rotation of glass tube central shaft, the picture of each angle shot of camera can adopt same normal pictures to be analyzed, and saves computational resource, improves detection efficiency; Laser instrument is arranged multiple, adopts multilayer to arrange, can increase one-time detection region, thus improve detection efficiency; Laser instrument rotates to an angle, and can realize complete detection, improves accuracy of detection.
Accompanying drawing explanation
Fig. 1 is a kind of glass tube bubble foreign matter vision inspection apparatus structural representation that the present invention proposes.
Fig. 2 is the laser instrument distribution schematic diagram in a kind of glass tube bubble foreign matter vision inspection apparatus of proposing of the present invention.
In figure: 1-glass tube, 2-background board, 3-camera, 4-support, 5-rotating shaft, 6-drive unit, 7-laser socket, 8-laser instrument, 9-industrial computer, 10-warning horn.
Embodiment
With reference to Fig. 1, Fig. 2, a kind of glass tube bubble foreign matter vision inspection apparatus that the present invention proposes, comprises the detection station for placing glass tube 1 to be detected, background board 2, camera 3, laser instrument 8, industrial computer 9 and warning horn 10.
Background board 2 is arranged on glass tube 1 first end, multiple laser instrument 8 is arranged on glass tube 1 second end, and the Laser emission of laser instrument 8 rectifies the end face facing to glass tube 1 second end, the end face of laser vertical glass tube 1 second end that laser instrument 8 penetrates injects glass tube 1, projects on background board 2 through glass tube 1; Camera 3 is for the laser projection image on background extraction plate 2.Laser vertical injects glass tube 1, and incident angle is 0, and according to refraction principle, if bubble-free foreign matter in glass tube 1, laser linearly will be propagated and all project on background board 2, and the projection image now taken can be used as the normal pictures of detection; If containing bubble foreign matter in glass tube 1, on bubble foreign matter surface, because laser incident angle is not 0, make laser that refraction and reflection occur, the projection on background board 2 changes, and the picture now taken and normal pictures exist difference.
Laser instrument 8 is fixed on laser socket 7, is distributed as multilayer, and every layer is all along the circumferential direction arranged, and this center of circle is on the central shaft of glass tube 1, effectively can utilize all laser instruments 8, and one-time detection region is increased, and improves detection efficiency and precision.
Camera 3 is fixed on support 4, support 4 and laser socket 7 are fixedly attached in rotating shaft 5 jointly, rotating shaft 5 is connected with drive unit 6, drive unit 6 drives camera 3 and laser instrument 8 synchronous rotary, and turning axle overlaps with glass tube 1 central shaft, because the relative position of camera 3 and laser instrument 8 is constant, therefore, the picture institute accepted standard contrast picture that camera 3 is taken at every turn is constant, saves the computational resource of industrial computer 9, can realize complete detection simultaneously.
Every layer of laser instrument 8 is all evenly arranged along place layer circumferencial direction, and camera 3 and laser instrument 8 turn over smaller angle can realize complete detection, avoids duplicate detection.
Camera 3 and warning horn 10 are connected with industrial computer 9 signal respectively, industrial computer 9 is by the laser projection image on camera 3 background extraction plate 2, and the standard picture of above-mentioned laser projection image and its storage is compared, when both difference ratios are [0, 0.1] the first result of determination is obtained time in interval, when both difference ratios are (0.1, 1] the second result of determination is obtained time in interval, industrial computer 9 controls the information that warning horn 10 reports to the police outwardly to transmit difference first result of determination and the second result of determination, the quality of the glass tube that the first result of determination reflects is better than the quality of the glass tube that the second result of determination reflects, the value of x is less, the quality of the glass tube that the first result of determination reflects is higher.
Laser instrument 8 is connected with industrial computer 9 signal, and industrial computer obtains laser instrument 8 opening information, and opens according to laser instrument 8 opening information control camera 3.
Present embodiment also comprises human-computer interaction interface, human-computer interaction interface is connected with industrial computer signal, by human-computer interaction interface input information to modify to the standard picture stored by industrial computer or to replace, and/or, by human-computer interaction interface input information to modify to parameter in industrial computer 0.1.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (6)
1. a glass tube bubble foreign matter vision inspection apparatus, it is characterized in that, comprising the detection station for placing glass tube to be detected (1), background board (2), camera (3), laser instrument (8), industrial computer (9) and warning horn (10);
Background board (2), be arranged on glass tube (1) first end, multiple laser instrument (8) is arranged on glass tube (1) second end, and the Laser emission of laser instrument (8) rectifies the end face facing to glass tube (1) second end;
Camera (3), for the laser projection image on background extraction plate (2);
Warning horn (10), for warning reminding;
Camera (3) is connected with industrial computer (9) signal respectively with warning horn (10), industrial computer (9) is by the laser projection image on camera (3) background extraction plate (2), and the standard picture of above-mentioned laser projection image and its storage is compared, when both difference ratios are [0, x] interval in time obtain the first result of determination, when both difference ratios are at (x, 1] obtain the second result of determination time in interval, industrial computer controls warning horn and reports to the police with the information outwardly transmitting difference first result of determination and the second result of determination;
Wherein, the value of x is (0,0.5).
2. glass tube bubble foreign matter vision inspection apparatus according to claim 1, it is characterized in that, laser instrument (8) is connected with industrial computer (9) signal, industrial computer (9) obtains laser instrument opening information, and controls camera (3) unlatching according to laser instrument (8) opening information.
3. glass tube bubble foreign matter vision inspection apparatus according to claim 1, it is characterized in that, also comprise human-computer interaction interface, human-computer interaction interface is connected with industrial computer (9) signal, by human-computer interaction interface input information to modify to the standard picture stored by industrial computer (9) or to replace, and/or, by human-computer interaction interface input information to modify to parameter x in industrial computer (9).
4. glass tube bubble foreign matter vision inspection apparatus as claimed in claim 1, it is characterized in that, laser instrument (8) is fixed on laser socket (7), be distributed as one or more layers, every layer is all along the circumferential direction arranged, and this center of circle is on the central shaft of glass tube (1).
5. glass tube bubble foreign matter vision inspection apparatus as claimed in claim 4, it is characterized in that, every layer of laser instrument (8) is all evenly arranged along place layer circumferencial direction.
6. the glass tube bubble foreign matter vision inspection apparatus as described in claim 4 or 5, it is characterized in that, camera (3) is fixed on support (4), support (4) and laser socket (7) are fixedly attached in rotating shaft (5) jointly, rotating shaft (5) is connected with drive unit (6), drive unit (6) drives camera (3) and laser instrument (8) synchronous rotary, and turning axle overlaps with glass tube (1) central shaft.
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| CN201510268085.6A CN104914114B (en) | 2015-05-22 | 2015-05-22 | A kind of glass tube bubble foreign matter vision inspection apparatus |
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| CN201510268085.6A CN104914114B (en) | 2015-05-22 | 2015-05-22 | A kind of glass tube bubble foreign matter vision inspection apparatus |
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Cited By (7)
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| CN106018437A (en) * | 2016-07-01 | 2016-10-12 | 沧州四星玻璃股份有限公司 | Method for detecting gas line defect of glass tube |
| CN107806569A (en) * | 2017-11-09 | 2018-03-16 | 河南中烟工业有限责任公司 | A kind of tobacco equipment liquid line bubble warning device |
| CN111891688A (en) * | 2020-08-05 | 2020-11-06 | 广州贯力科技有限公司 | Dust cover cleanliness detection device and method of belt longitudinal tearing detection device |
| CN114029970A (en) * | 2021-10-13 | 2022-02-11 | 河钢工业技术服务有限公司 | Steel coil end face detection robot and path planning method thereof |
| CN114460008A (en) * | 2022-02-16 | 2022-05-10 | 西南石油大学 | Wellhead foam detection device and method |
| CN114820622A (en) * | 2022-06-29 | 2022-07-29 | 苏州希盟科技股份有限公司 | Interlayer foreign matter detection method and device |
| CN116835863A (en) * | 2023-07-14 | 2023-10-03 | 连云港双石特种玻璃有限公司 | Processing equipment capable of accurately controlling thickness of special glass and application method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018437A (en) * | 2016-07-01 | 2016-10-12 | 沧州四星玻璃股份有限公司 | Method for detecting gas line defect of glass tube |
| CN106018437B (en) * | 2016-07-01 | 2020-09-11 | 沧州四星玻璃股份有限公司 | Method for detecting gas line defects of glass tube |
| CN107806569A (en) * | 2017-11-09 | 2018-03-16 | 河南中烟工业有限责任公司 | A kind of tobacco equipment liquid line bubble warning device |
| CN111891688A (en) * | 2020-08-05 | 2020-11-06 | 广州贯力科技有限公司 | Dust cover cleanliness detection device and method of belt longitudinal tearing detection device |
| CN111891688B (en) * | 2020-08-05 | 2022-04-19 | 广州华方智能科技有限公司 | Dust cover cleanliness detection device and method of belt longitudinal tearing detection device |
| CN114029970A (en) * | 2021-10-13 | 2022-02-11 | 河钢工业技术服务有限公司 | Steel coil end face detection robot and path planning method thereof |
| CN114029970B (en) * | 2021-10-13 | 2023-08-22 | 河钢工业技术服务有限公司 | Steel coil end face detection robot and path planning method thereof |
| CN114460008A (en) * | 2022-02-16 | 2022-05-10 | 西南石油大学 | Wellhead foam detection device and method |
| CN114460008B (en) * | 2022-02-16 | 2023-11-21 | 西南石油大学 | Wellhead foam detection device and method |
| CN114820622A (en) * | 2022-06-29 | 2022-07-29 | 苏州希盟科技股份有限公司 | Interlayer foreign matter detection method and device |
| CN116835863A (en) * | 2023-07-14 | 2023-10-03 | 连云港双石特种玻璃有限公司 | Processing equipment capable of accurately controlling thickness of special glass and application method thereof |
| CN116835863B (en) * | 2023-07-14 | 2023-12-12 | 连云港双石特种玻璃有限公司 | Processing equipment capable of accurately controlling thickness of special glass and application method thereof |
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| CN104914114B (en) | 2019-08-23 |
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Effective date of registration: 20211213 Address after: 315000 factory 28, No. 68, Yuhai East Road, Hangzhou Bay New Area, Ningbo City, Zhejiang Province Patentee after: Ningbo Yunde semiconductor materials Co.,Ltd. Address before: 241200 CISCO 6 building, Fanchuang County Economic Development Zone, Wuhu, Anhui Patentee before: WUHU LINYI ELECTRONIC TECHNOLOGY Co.,Ltd. |