CN203422324U - Visual detection device for defects of automobile gearbox gear - Google Patents
Visual detection device for defects of automobile gearbox gear Download PDFInfo
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- CN203422324U CN203422324U CN201320550110.6U CN201320550110U CN203422324U CN 203422324 U CN203422324 U CN 203422324U CN 201320550110 U CN201320550110 U CN 201320550110U CN 203422324 U CN203422324 U CN 203422324U
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- gearbox gear
- automobile gearbox
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Abstract
The utility model relates to the technical field of a device for detecting automobile parts, particularly relates to a visual detection device for defects of an automobile gearbox gear, which is accurate, high in resolution, low in cost and strong in practicability, can comprehensively detect the surface defects such as cracks, scratches, bump crushed injuries, unevenness and the like on different surfaces of the automobile gearbox gear, simultaneously can detect parameter defects such as the gear height, a tooth profile angle (also known as a pressure angle), inner and outer diameters, roundness, space width and the like, can be actually applied to a production line of the automobile gearbox gear, and meets the requirements of mass production and detection. The visual detection device for the defects of the automobile gearbox gear comprises a fixed bracket, wherein a display, a motor, three groups of cameras and three groups of light sources are arranged on the fixed bracket; a turntable for fixing the automobile gearbox gear is arranged on the output end of the motor; the three groups of cameras are electrically connected with the display.
Description
Technical field
The utility model relates to the technical field of the device detecting for auto parts and components, particularly relates to a kind of automobile gearbox gear defective vision pick-up unit.
Background technology
As everyone knows, automobile gearbox gear defective vision pick-up unit is a kind of device for detecting for auto parts and components, the flank of tooth of existing gearbox gear is many, and defect type is many, and existing defect inspection method has: manual detection, metal defect detect and Machine Vision Detection.Manual detection is the most important means of domestic detection automobile gearbox gear defect, by manual observation and touch detection of gear crackle, cut, colliding with the surface imperfection such as weighs, concavo-convex wounded, utilize caliper tool to detect profile of tooth angle, circularity, not meeting property of space width equal-specification defect, manual detection is consuming time, effort, and check consistency is poor, cannot meet extensive, the requirement of batch production.Metal defect detects the method adopting has Ultrasonic Detection, ray detection, magnetic to detect, permeate detection, EDDY CURRENT and acoustic emission detection, this class detection method adopts ray or ultrasonic penetrating and reflect to carry out inside flaw detection, or utilize reflection to detect surface imperfection, because each metal defect detection method can only detect specific a certain defect, and Radiation On Human body has harm, the testing environment requiring is harsh, cost is higher, the reasons such as length consuming time have very large limitation in the online detection of reality.Machine Vision Detection gathers image by ccd sensor, and utilize image processing techniques to identify defect, the application that adopts this detection means is both at home and abroad almost blank, technological accumulation is inadequate, the patent of invention that can use for reference only has < < side face defects of bevel gear many orders pick-up unit and the detection method > > (patent No.: 201110286692 thereof, country origin: China), its technical scheme adopts order camera more than 8, a common annular LED light source, utilize many orders image information fusion to process, realizing the detection of side face defects of bevel gear judges.The image acquisition of gear side adopts 7 cameras to complete respectively, and light source is single annular light source, shortcoming is that different cameral sensitization degree is variant, causes the defects detection consistance of each camera affected greatly by the factors such as environment, camera and light source position adjusting, and practicality is influenced; In addition, the white annular LED light source of employing is for the irradiation of metal surface, and its reflection is strong, has affected the authenticity of image acquisition, and some defect cannot effectively be identified; Camera quantity is too much, and large to the installation of equipment, debugging difficulty, cost advantage is also not obvious.Device of the present utility model can make up the shortcoming of above technical scheme, meets to the full extent the testing requirement of online automobile gearbox gear finished product in real time in enormous quantities.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model be to provide a kind of accurately, resolution is high, cost is low, practical automobile gearbox gear defective vision pick-up unit, can complete detection go out automobile gearbox gear crackle, the cut of variant, colliding with the surface imperfection such as weighs, concavo-convex wounded, detect gear height, profile angle (also claiming pressure angle) degree, inner and outer diameter simultaneously, the parameter such as circularity and space width defect, energy practical application, on the manufacturing line of automobile gearbox gear, meets and produces the demand detecting in enormous quantities.
Automobile gearbox gear defective vision pick-up unit of the present utility model, comprise fixed support, on described fixed support, be provided with display, motor, three groups of cameras and three groups of light sources, the output terminal of described motor is provided with the rotating disk for fixed car gearbox gear, described three groups of cameras lay respectively at top, side and the oblique upper of described rotating disk, and described three groups of light sources lay respectively at the place ahead that three groups of cameras are taken direction, and three groups of described cameras are all electrically connected to display.
Automobile gearbox gear defective vision pick-up unit of the present utility model, first group of light source and second group of light source are annular LED light source, and first group of light source and second group of light source are respectively the camera that is positioned at the camera of rotating disk top and is positioned at rotating disk side provides illumination.
Automobile gearbox gear defective vision pick-up unit of the present utility model, the 3rd group of light source is coaxial light source, described the 3rd group of light source provides illumination for being positioned at the camera of turntable inclined top.
Automobile gearbox gear defective vision pick-up unit of the present utility model, described motor is servomotor.
Automobile gearbox gear defective vision pick-up unit of the present utility model, described support bracket fastened bottom is provided with supporting leg.
Automobile gearbox gear defective vision pick-up unit of the present utility model, also comprises fan, and described fan is arranged on described fixed support.
Compared with prior art the beneficial effects of the utility model are: by above-mentioned setting, can be by being positioned at the camera of rotating disk top, the camera that is positioned at rotating disk side obtains respectively tooth with the camera that is positioned at turntable inclined top, obtain gear elevation information, detect height parameter degree of conformity and the image information of obtaining gear side and depth of field recess, detect side and recess surface defect, reach accurate, resolution is high, cost is low, energy complete detection goes out the crackle of variant of automobile gearbox gear, cut, collide with and weigh wounded, the surface imperfection such as concavo-convex, detect gear height simultaneously, profile angle (also claiming pressure angle) degree, inner and outer diameter, the parameter such as circularity and space width defect, energy practical application is on the manufacturing line of automobile gearbox gear, meet and produce the demand detecting in enormous quantities.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, automobile gearbox gear defective vision pick-up unit of the present utility model, comprise fixed support 1, on fixed support, be provided with display 2, motor 3, three groups of cameras and three groups of light sources, the output terminal of motor is provided with the rotating disk 4 for fixed car gearbox gear, three groups of cameras lay respectively at top, side and the oblique upper of rotating disk, and three groups of light sources lay respectively at the place ahead that three groups of cameras are taken directions, and three groups of cameras are all electrically connected to display, by above-mentioned setting, can be by being positioned at the camera of rotating disk top, the camera that is positioned at rotating disk side obtains respectively tooth with the camera that is positioned at turntable inclined top, obtain gear elevation information, detect height parameter degree of conformity and the image information of obtaining gear side and depth of field recess, detect side and recess surface defect, reach accurate, resolution is high, cost is low, energy complete detection goes out the crackle of variant of automobile gearbox gear, cut, collide with and weigh wounded, the surface imperfection such as concavo-convex, detect gear height simultaneously, profile angle (also claiming pressure angle) degree, inner and outer diameter, the parameter such as circularity and space width defect, energy practical application is on the manufacturing line of automobile gearbox gear, meet and produce the demand detecting in enormous quantities.
Automobile gearbox gear defective vision pick-up unit of the present utility model, first group of light source 5 and second group of light source 6 are annular LED light source, and first group of light source and second group of light source are respectively the camera that is positioned at the camera of rotating disk top and is positioned at rotating disk side provides illumination.
Automobile gearbox gear defective vision pick-up unit of the present utility model, the 3rd group of light source 7 is coaxial light source, the 3rd group of light source provides illumination for being positioned at the camera of turntable inclined top.
Automobile gearbox gear defective vision pick-up unit of the present utility model, motor is servomotor.
Automobile gearbox gear defective vision pick-up unit of the present utility model, support bracket fastened bottom is provided with supporting leg 8.
Automobile gearbox gear defective vision pick-up unit of the present utility model, also comprises fan 9, and fan is arranged on fixed support.
Automobile gearbox gear defective vision pick-up unit of the present utility model, in use, needs main frame to carry out the control of the devices such as camera, and therefore three groups of cameras need to be first connected with main frame.
Automobile gearbox gear defective vision pick-up unit of the present utility model, with existing vision inspection apparatus comparison, than many orders fixed test method camera used still less, reduced the cost of 6 cameras, and light source selects coaxial light source, it is good that it suppresses metallic reflecting effect, the light degree being radiated on tested gear is fixed, the detection error of having avoided the inconsistency of a plurality of camera multimachines position light source to cause, has improved defect recognition consistance, detects in real time on line more practical.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (6)
1. an automobile gearbox gear defective vision pick-up unit, it is characterized in that, comprise fixed support, on described fixed support, be provided with display, motor, three groups of cameras and three groups of light sources, the output terminal of described motor is provided with the rotating disk for fixed car gearbox gear, described three groups of cameras lay respectively at top, side and the oblique upper of described rotating disk, and described three groups of light sources lay respectively at the place ahead that three groups of cameras are taken directions, and three groups of described cameras are all electrically connected to display.
2. automobile gearbox gear defective vision pick-up unit as claimed in claim 1, it is characterized in that, first group of light source and second group of light source are annular LED light source, and first group of light source and second group of light source are respectively the camera that is positioned at the camera of rotating disk top and is positioned at rotating disk side provides illumination.
3. automobile gearbox gear defective vision pick-up unit as claimed in claim 2, is characterized in that, the 3rd group of light source is coaxial light source, and described the 3rd group of light source provides illumination for being positioned at the camera of turntable inclined top.
4. automobile gearbox gear defective vision pick-up unit as claimed in claim 1, is characterized in that, described motor is servomotor.
5. automobile gearbox gear defective vision pick-up unit as claimed in claim 1, is characterized in that, described support bracket fastened bottom is provided with supporting leg.
6. automobile gearbox gear defective vision pick-up unit as claimed in claim 1, is characterized in that, also comprise fan, described fan is arranged on described fixed support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320550110.6U CN203422324U (en) | 2013-09-05 | 2013-09-05 | Visual detection device for defects of automobile gearbox gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320550110.6U CN203422324U (en) | 2013-09-05 | 2013-09-05 | Visual detection device for defects of automobile gearbox gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203422324U true CN203422324U (en) | 2014-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320550110.6U Expired - Fee Related CN203422324U (en) | 2013-09-05 | 2013-09-05 | Visual detection device for defects of automobile gearbox gear |
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| Country | Link |
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| CN (1) | CN203422324U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108791A (en) * | 2019-04-23 | 2019-08-09 | 浙江科技学院 | A kind of equipment for manufacturing defect ultrasound examination inside automotive hub |
| CN110102517A (en) * | 2019-04-25 | 2019-08-09 | 泉州市汉威机械制造有限公司 | A kind of product classification rejecting control device |
| CN114371175A (en) * | 2021-11-08 | 2022-04-19 | 中科蓝海(扬州)智能视觉科技有限公司 | Detection method and device for gearbox gear based on machine vision |
-
2013
- 2013-09-05 CN CN201320550110.6U patent/CN203422324U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108791A (en) * | 2019-04-23 | 2019-08-09 | 浙江科技学院 | A kind of equipment for manufacturing defect ultrasound examination inside automotive hub |
| CN110108791B (en) * | 2019-04-23 | 2024-03-19 | 浙江科技学院 | Ultrasonic detection equipment for manufacturing defects inside automobile hub |
| CN110102517A (en) * | 2019-04-25 | 2019-08-09 | 泉州市汉威机械制造有限公司 | A kind of product classification rejecting control device |
| CN114371175A (en) * | 2021-11-08 | 2022-04-19 | 中科蓝海(扬州)智能视觉科技有限公司 | Detection method and device for gearbox gear based on machine vision |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20140905 |
|
| EXPY | Termination of patent right or utility model |