CN209841732U - Defect detection device for transparent material - Google Patents
Defect detection device for transparent material Download PDFInfo
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- CN209841732U CN209841732U CN201920326842.4U CN201920326842U CN209841732U CN 209841732 U CN209841732 U CN 209841732U CN 201920326842 U CN201920326842 U CN 201920326842U CN 209841732 U CN209841732 U CN 209841732U
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Abstract
The utility model discloses a defect detection device of transparent material relates to optical detection technical field, include: the platform to be detected is used for placing an object to be detected; a multi-angle detection lamp facing one side of the object to be detected is arranged below the platform to be detected, a detection lens facing one side of the object to be detected is arranged above the platform to be detected, and the detection lens is connected with the PLC; the detection lens and the multi-angle detection lamp correspond to each other up and down and move on the platform to be detected synchronously. The defect detection can be accurately carried out on the inside and the outside of an object to be detected; the cooperation of synchronous movement's detection camera lens, multi-angle detection lamp realizes treating the detection of detection thing all-round, multi-angle, has improved the whole defect detection precision that waits to detect the thing.
Description
Technical Field
The utility model relates to an optical detection technical field especially relates to a defect detecting device of transparent material.
Background
Transparent materials used in the manufacture of aircraft windshields, canopies, portholes and observation windows require defect detection of the transparent material itself to ensure that both its interior and surface meet manufacturing requirements. At present, the detection of the surface defects of the transparent or light-transmitting material is carried out by human eyes, and the accuracy is low; the optical detection is carried out by using optics, but the light source of the existing optical detection is fixed and cannot be synchronized with the detection lens for receiving optical signals, so that the optical signals received by the detection lens are unstable, and the defect detection errors of the transparent material are easy to occur particularly when the detection lens is influenced by dust.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above disadvantages, an object of the present invention is to provide a defect detecting device made of transparent material.
In order to achieve the above purpose, the utility model discloses a technical scheme is: a defect detecting device of transparent material comprises: the platform to be detected is used for placing an object to be detected; a multi-angle detection lamp facing one side of the object to be detected is arranged below the platform to be detected, a detection lens facing one side of the object to be detected is arranged above the platform to be detected, and the detection lens is connected with the PLC; the detection lens and the multi-angle detection lamp correspond to each other up and down and move on the platform to be detected synchronously.
Further, a cover for covering the object to be detected, the detection lens and the multi-angle detection lamp is arranged on the platform to be detected, a window for placing the object to be detected is arranged on the cover, and a flip plate capable of opening/closing the window is arranged on the cover. Through the design of the cover cap, the object to be detected is in a relatively closed space during detection, and the defect detection is prevented from being influenced by external dust.
Furthermore, a placing frame for placing the object to be detected and a moving plate in an Contraband-shaped structure are arranged in the cover, and the bottom surface and the side surface of the moving plate are both provided with guide rails in the same direction; the platform to be detected is provided with a side plate which is vertically placed, and the side plate and the table top of the platform to be detected are provided with slideways matched with the guide rails; the table top of the platform to be detected is also provided with a ball screw assembly which drives the moving plate to move back and forth and is driven by a servo motor; the upper inner side face and the lower inner side face of the moving plate are provided with the detection lens and the multi-angle detection lamp in a distributed mode. The movable plate capable of moving back and forth can move the detection lens and the multi-angle detection lamp synchronously, so that the object to be detected is detected from one side gradually, and finally, the comprehensive detection of the object to be detected is realized.
Preferably, one or more air guns are embedded in the cover and communicated with an external nitrogen source and spray the air guns to the object to be detected. The high-speed injection of nitrogen gas cleans the surface of an object to be detected, and the particles on the object to be detected are clear, so that the influence on optical detection is eliminated.
Further, the detection lens comprises a CCD linear camera and a photoelectric sensor which face the object to be detected; the detection lens, the multi-angle detection lamp and the CCD linear camera are all connected with a PLC logic controller, and the PLC logic controller is connected with a power supply for supplying electric energy. The CCD linear camera can shoot the surface of an object to be detected in a high-definition manner, and detect whether the surface of the object to be detected has defects; the photoelectric sensor is used for providing a starting working signal or a triggering signal.
Further, the placing frame is made of transparent materials, so that the multi-angle detection lamp can irradiate the object to be detected on the placing frame. Adopt high non-light tight rack, the illumination of the thing of treating the detection of the multi-angle detection lamp of being convenient for does benefit to the light of the better receipt below of detection lens of top.
Compared with the prior art, the utility model has the advantages of it is following: the device can illuminate and take pictures at multiple angles, and can accurately detect the defects inside and outside the object to be detected; the cooperation of synchronous movement's detection camera lens, multi-angle detection lamp realizes treating the detection of detection thing all-round, multi-angle, has improved the whole defect detection precision that waits to detect the thing.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of the placement frame in the embodiment of the present invention.
In the figure:
1-a platform to be detected; 2, placing a rack; 3, moving the plate; 4-a guide rail; 5-side plate; 6-a ball screw assembly; 7-a multi-angle detection lamp; 8-a photosensor; 9-a cover cap; 10-CCD linear camera; 11-the analyte to be detected.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Examples
Referring to fig. 1 and fig. 2, a defect detecting apparatus of a transparent material in this embodiment includes: the detection device comprises a platform 1 to be detected for placing an object to be detected, wherein the platform 1 to be detected is provided with a placing rack 2 for placing the object to be detected 11 and a movable plate 3 in an Contraband-shaped structure, and the bottom surface and the side surface of the movable plate 3 are both provided with guide rails 4 in the same direction; the detection device is characterized in that a side plate 5 which is vertically placed is arranged on the platform 1 to be detected, slideways which are matched with the guide rails 4 are arranged on the side plate 5 and the table top of the platform 1 to be detected, a ball screw assembly 6 which drives the movable plate 3 to move back and forth and is driven by a servo motor is further arranged on the table top of the platform 1 to be detected, and the ball screw assembly 6 is placed below the table top of the platform 1 to be detected in the embodiment. The servo motor is connected with a 220V power supply, drives the servo motor to run, is connected with the PLC and receives a control instruction of the PLC.
The ball screw assembly in this embodiment can refer to the new chinese patent application No. CN200820078944.0, and the moving plate 3 is driven by the servo motor to move back and forth along the track direction of the guide rail 4.
The multi-angle detection device is characterized in that a multi-angle detection lamp 7 facing one side of an object to be detected 11 is arranged below the platform to be detected 1, a detection lens facing one side of the object to be detected 11 is arranged above the platform to be detected 1, the detection lens is connected with a PLC (programmable logic controller), the PLC is connected with a control host (a PC (personal computer), a processing program is arranged in the control host, and image information sensed by the detection lens is identified through a corresponding algorithm. The multi-angle detection lamp 7 in this embodiment is the known product that has now, links to each other the back with PLC logic controller, can carry out angle modulation according to the instruction, realizes shining of 7 multi-angles of multi-angle detection lamp. In this embodiment, the detection lens and the multi-angle detection lamp 7 are distributed on the upper inner side surface and the lower inner side surface of the movable plate 3, and the detection lens and the multi-angle detection lamp 7 vertically correspond to each other, so that the detection lens and the multi-angle detection lamp can synchronously move on the platform 1 to be detected along with the movement of the movable plate 3. After 7 angular adjustment of multi-angle detection lamp, the image that the bright intensity that detects the camera lens and sense is different through the comparison to the different bright intensity in same position, can be fine learn the defect on the transparent material.
In order to prevent external dust from affecting the sensing of the detection lens, a cover 9 for covering the object to be detected 11, the detection lens and the multi-angle detection lamp 7 is arranged on the platform to be detected 1, a window for placing the object to be detected 11 is arranged on the cover 9, and a flip plate capable of opening/closing the window is arranged on the cover. One end of the flip plate is connected with the cover cap 9 through a hinge, and a sealing ring is arranged at the edge of the inner side of the flip plate, so that a good sealing effect can be achieved after the flip plate is covered on the window.
After the cover cap 9 is used, the flow of internal air and external air is isolated, and under the environment, one or more air guns which are communicated with an external nitrogen source and jet towards the object to be detected 11 are embedded on the cover cap 9. By injecting nitrogen, dust on the surface of the object to be detected 11 can be blown off, and the optical detection effect is improved.
In this embodiment, the detection lens includes a CCD line camera 10 and a photoelectric sensor 8 facing an object to be detected 11, and can photograph the surface of the object to be detected 11 with high definition; the detection lens, the multi-angle detection lamp 7 and the CCD linear camera 10 are all connected with a PLC logic controller, and the PLC logic controller is connected with a power supply for supplying electric energy. The power supply provides 24V power for the PLC logic controller. Image processing software of the CCD linear camera is integrated in the control host, and a shot picture can be analyzed, so that whether the defect exists in the shot picture is known. When the detection lens is matched with the detection lens for use, the surface and the inside of the object to be detected 11 can be detected in an all-around manner, and the defect of the object to be detected 11 (transparent material) can be detected more comprehensively. When the detected defect exists, the defect is recorded in the control host for subsequent analysis and improvement.
As shown in fig. 2, the placing frame 2 is composed of two symmetrically distributed supports, and the supports are made of transparent materials, so that the placing frame 2 has high light transmittance, and the multi-angle detection lamp 7 can irradiate an object 11 to be detected thereon. The moving range of the moving plate 3 is between the two brackets, and defines the moving range of the moving plate 3. The upper end of the bracket has an outwardly protruding lap on which the object 11 to be detected is normally placed (the lap is made of a transparent material).
The utility model can accurately detect the defects inside and outside the object to be detected through multi-angle illumination and photographing; the cooperation of synchronous movement's detection camera lens, multi-angle detection lamp realizes treating the detection of detection thing all-round, multi-angle, has improved the whole defect detection precision that waits to detect the thing.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (6)
1. A defect detecting device of transparent material comprises: the platform to be detected is used for placing an object to be detected; the method is characterized in that: a multi-angle detection lamp facing one side of the object to be detected is arranged below the platform to be detected, a detection lens facing one side of the object to be detected is arranged above the platform to be detected, and the detection lens is connected with the PLC; the detection lens and the multi-angle detection lamp correspond to each other up and down and move on the platform to be detected synchronously.
2. The defect detection apparatus according to claim 1, wherein: the detection device comprises a platform to be detected, and is characterized in that a cover cap which covers an object to be detected, a detection lens and a multi-angle detection lamp is arranged on the platform to be detected, a window for placing the object to be detected is arranged on the cover cap, and a flip plate which can open/close the window is arranged on the cover cap.
3. The defect detection apparatus according to claim 2, wherein: a placing rack for placing the object to be detected and a moving plate in an Contraband-shaped structure are arranged in the cover cap, and the bottom surface and the side surface of the moving plate are both provided with guide rails in the same direction; the platform to be detected is provided with a side plate which is vertically placed, and the side plate and the table top of the platform to be detected are provided with slideways matched with the guide rails; the table top of the platform to be detected is also provided with a ball screw assembly which drives the moving plate to move back and forth and is driven by a servo motor; the upper inner side face and the lower inner side face of the moving plate are provided with the detection lens and the multi-angle detection lamp in a distributed mode.
4. The defect detection apparatus of claim 3, wherein: one or more air guns are embedded on the cover and communicated with an external nitrogen source and spray the objects to be detected.
5. The defect detection apparatus according to claim 4, wherein: the detection lens comprises a CCD linear camera and a photoelectric sensor which face the object to be detected; the detection lens, the multi-angle detection lamp and the CCD linear camera are all connected with a PLC logic controller, and the PLC logic controller is connected with a power supply for supplying electric energy.
6. The defect detection apparatus of claim 5, wherein: the placing frame is made of transparent materials, so that the multi-angle detection lamp can irradiate the object to be detected on the placing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920326842.4U CN209841732U (en) | 2019-03-14 | 2019-03-14 | Defect detection device for transparent material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920326842.4U CN209841732U (en) | 2019-03-14 | 2019-03-14 | Defect detection device for transparent material |
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| Publication Number | Publication Date |
|---|---|
| CN209841732U true CN209841732U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920326842.4U Expired - Fee Related CN209841732U (en) | 2019-03-14 | 2019-03-14 | Defect detection device for transparent material |
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| Country | Link |
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| CN (1) | CN209841732U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567464A (en) * | 2021-06-16 | 2021-10-29 | 美晟通科技(苏州)有限公司 | Transparent medium stain position detection method and device |
| CN115586195A (en) * | 2022-11-23 | 2023-01-10 | 常州微亿智造科技有限公司 | Transparent material optical chromatography defect detection method, detection system and medium |
-
2019
- 2019-03-14 CN CN201920326842.4U patent/CN209841732U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567464A (en) * | 2021-06-16 | 2021-10-29 | 美晟通科技(苏州)有限公司 | Transparent medium stain position detection method and device |
| CN115586195A (en) * | 2022-11-23 | 2023-01-10 | 常州微亿智造科技有限公司 | Transparent material optical chromatography defect detection method, detection system and medium |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 Termination date: 20210314 |
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| CF01 | Termination of patent right due to non-payment of annual fee |