CN113588790B - Ultrasonic flaw detection equipment for air valve - Google Patents
Ultrasonic flaw detection equipment for air valve Download PDFInfo
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- CN113588790B CN113588790B CN202110880695.7A CN202110880695A CN113588790B CN 113588790 B CN113588790 B CN 113588790B CN 202110880695 A CN202110880695 A CN 202110880695A CN 113588790 B CN113588790 B CN 113588790B
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- air valve
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- mechanical arm
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- 238000001514 detection method Methods 0.000 title claims abstract description 71
- 230000000007 visual effect Effects 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 239000000523 sample Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 230000002950 deficient Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims 2
- 238000007689 inspection Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/048—Marking the faulty objects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/269—Various geometry objects
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- 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)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention relates to the technical field of air valve flaw detection, in particular to an air valve ultrasonic flaw detection device, which solves the problems that in the prior art, the air valve product has a plurality of specifications, automatic feeding and discharging are difficult to realize, and a traditional assembly line or a material tray needs to occupy a larger field; the air valve production batch is small in variety and more, and automatic detection is difficult to adapt to detection of different specifications; the manual detection needs to continuously observe the ultrasonic waveform, and the problem of missed judgment is easy to occur. The ultrasonic flaw detection equipment for the air valve comprises a visual identification module, a mechanical arm module, an automatic control module, an ultrasonic detection module and a data access module, and consists of a closed detection cabinet and a loading and unloading operation trolley. The invention reduces the burden of operators, can adapt to the detection of air valves with different specifications without changing tools, has good detection stability, automatically judges defects, is not easy to leak detection, comprehensively records data, is convenient to trace, and improves the quality inspection operation management level.
Description
Technical Field
The invention relates to the technical field of air valve flaw detection, in particular to an air valve ultrasonic flaw detection device.
Background
The air valve mainly comprises a valve seat, a valve plate, a spring and a lift limiter. The height or closure of the valve plate and the valve seat determines the size and tightness of the gas passage. The spring is mainly used for pushing the valve plate to close, and can also relieve the impact of the valve plate with the lift limiter when the valve plate is opened. The lift limiter can limit the lift of the valve plate and can support the spring; the valve plate of the air valve is opened and closed by the pressure difference between the air inside and outside the air cylinder and the spring force, and other driving mechanisms are not needed, so the valve plate is called an automatic valve. With the continuous progress of industrial technology, the application range of the air valve is wider and wider, and problems occur in the use process of the air valve, so that the air valve is often required to be subjected to flaw detection.
Currently, the air valve is mainly subjected to manual flaw detection, and automatic flaw detection is difficult to realize due to the following reasons:
(1) The air valve product has a plurality of specifications, the automatic feeding and discharging are difficult to realize, and the traditional assembly line or the material tray occupies a larger field;
(2) The air valve production batch is small in variety and more, and automatic detection is difficult to adapt to detection of different specifications;
(3) The ultrasonic waveform is required to be continuously observed in manual detection, and missed judgment is easy to occur.
Moreover, the present invention has been made to solve the above problems because the burden of manual inspection is relatively large.
Disclosure of Invention
The invention aims to provide an air valve ultrasonic flaw detection device, which solves the problems that in the prior art, the air valve product has a plurality of specifications, automatic feeding and discharging are difficult to realize, and a traditional assembly line or a material tray occupies a larger field; the air valve production batch is small in variety and more, and automatic detection is difficult to adapt to detection of different specifications; the manual detection needs to continuously observe the ultrasonic waveform, and the problem of missed judgment is easy to occur.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides an air valve ultrasonic flaw detection equipment, includes visual identification module, arm module, automatic control module, ultrasonic detection module and data access module, comprises sealed detection cabinet and unloading operation shallow, its characterized in that, visual identification module inserts visual camera image, and automatic control module connects sensor and scram switch, and ultrasonic detection module connects ultrasonic probe.
Preferably, the vision camera is connected to the industrial computer through a network cable.
Preferably, the mechanical arm module comprises a mechanical arm, the mechanical arm is a cooperative robot and is connected with an industrial computer through a network cable, and the tail end of the mechanical arm is further provided with an ultrasonic probe.
Preferably, the automatic control module is connected with a servo motor, an electromagnetic air valve, a limit sensor, a grating sensor, a laser sensor, an operation switch, an emergency stop switch and the like.
Preferably, the ultrasonic detection module is a multi-channel ultrasonic flaw detector, and is connected to the industrial computer through a network cable, and a plurality of ultrasonic probes are connected to the ultrasonic detection module.
Preferably, the data access module is installed in an industrial personal computer.
The invention has at least the following beneficial effects:
1. the automatic flaw detection equipment provided by the invention has high automation degree, and can automatically execute feeding, detection and good product/defective product discharging, so that the burden of operators is reduced;
2. The automatic flaw detection equipment provided by the invention has good adaptability, visual identification can be used for identifying products with various specifications through learning, and the mechanical arm can be used for loading and unloading and detecting the products with various specifications through space flexibility, so that the equipment can be used for detecting air valves with different specifications without changing tools;
3. the automatic detection is better than manual detection in stability, the equipment automatically judges that the defect is difficult to leak detection, the data is comprehensively recorded and conveniently traced, and the quality inspection operation management level is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an automated inspection system according to the present invention;
FIG. 2 is a flow chart of a visual identification method of an air valve according to the present invention;
FIG. 3 is a flow chart of the air valve detection of the present invention.
In the figure: 1. a vision camera; 2. a visual recognition module; 3. a mechanical arm; 4. a robotic arm module; 5. an automatic control module; 6. an ultrasonic flaw detector; 7. an ultrasonic detection module; 8. and a data access module.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
Referring to fig. 1-3, an air valve ultrasonic flaw detection device comprises a visual identification module 2, a mechanical arm module 4, an automatic control module 5, an ultrasonic detection module 7 and a data access module 8, and is composed of a closed detection cabinet and a loading and unloading operation cart, and is characterized in that the visual identification module 2 is connected with an image of a visual camera 1, the automatic control module 5 is connected with a sensor and a scram switch, and the ultrasonic detection module 7 is connected with an ultrasonic probe.
The vision camera 1 is connected to an industrial computer through a network cable.
The mechanical arm module 4 comprises a mechanical arm 3, the mechanical arm 3 is a cooperative robot and is connected with an industrial computer through a network cable, and the tail end of the mechanical arm 3 is also provided with an ultrasonic probe.
The automatic control module 5 is connected with a servo motor, an electromagnetic air valve, a limit sensor, a grating sensor, a laser sensor, an operation switch, a scram switch and the like.
The ultrasonic detection module 7 is a multi-channel ultrasonic flaw detector 6, the ultrasonic detection module 7 is connected to an industrial computer through a network cable, and a plurality of ultrasonic probes are connected to the ultrasonic detection module 7.
The data access module 8 is installed in an industrial personal computer.
The vision camera 1 is a high-definition industrial camera and is connected to an industrial control computer through a network cable. The visual recognition module 2 is visual software developed for the customization of the valve product. The mechanical arm 3 is a cooperative robot, has a collision detection function, and is connected to an industrial computer through a network cable. The automatic control module 5 is a PCI motion control card and is connected to the motor, the electromagnetic valve, the control switch and the sensor. The ultrasonic flaw detector 6 is a general multi-channel ultrasonic flaw detector 6. The ultrasonic detection module 7 is detection software customized for the air valve product, and has the functions of collecting and judging the welding condition of the air valve. The data access module 8 receives ultrasonic and mechanical arm positioning data, displays the detection process and the result in a graphic image, and has the functions of whole process data storage, retrieval and viewing.
Example two
The visual identification method of the air valve comprises the following steps:
1. Accessing a visual camera;
2. loading learning data according to the specification of the air valve product;
3. Identifying a strip-shaped air valve rod in the image;
4. judging whether an air valve rod exists, if so, giving an alarm that the air valve falls down, otherwise, proceeding to the next step;
5. Identifying a circular air valve disc in the image;
6. Judging whether an air valve disc exists or not, if so, judging and sending the air valve space position to the mechanical arm to execute detection, and then turning to the step 3 for circulation;
7. If the air valve disc is not identified, ending.
Example III
The air valve detection method comprises the following steps:
1. Accessing a visual camera to identify an air valve;
2. if the valve rod of the air valve is identified, judging that the air valve falls down, and ending after alarming;
3. If the air valve disc is identified, sending the air valve position to the mechanical arm;
4. Feeding by clamping an air valve by a mechanical arm;
5. The mechanical arm module, the automatic control module and the ultrasonic module cooperatively execute detection, and detection data and results are sent to the data access module;
6. the equipment automatically judges good products and defective products according to the detection result;
7. the mechanical arm calculates the blanking position of good products/defective products according to the product specification, and the clamping air valve performs blanking;
8. the loop goes to step 1, if no gas valve is identified, the process is ended.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The ultrasonic flaw detection equipment for the air valve comprises a visual identification module (2), a mechanical arm module (4), an automatic control module (5), an ultrasonic detection module (7) and a data access module (8), and consists of a closed detection cabinet and a loading and unloading operation cart, and is characterized in that the visual identification module (2) is connected with an image of a visual camera (1), the automatic control module (5) is connected with a sensor and an emergency stop switch, and the ultrasonic detection module (7) is connected with an ultrasonic probe; the mechanical arm module (4) comprises a mechanical arm (3), the mechanical arm (3) is a cooperative robot and is connected with an industrial computer through a network cable, and the tail end of the mechanical arm (3) is also provided with an ultrasonic probe; the automatic control module (5) is connected with a servo motor, an electromagnetic air valve, a limit sensor, a grating sensor, a laser sensor, an operation switch, an emergency stop switch and the like; the air valve ultrasonic flaw detection device comprises the following steps of:
(1) Accessing a visual camera to identify an air valve;
(2) If the valve rod of the air valve is identified, judging that the air valve falls down, and ending after alarming;
(3) If the air valve disc is identified, sending the air valve position to the mechanical arm;
(4) Feeding by clamping an air valve by a mechanical arm;
(5) The mechanical arm module, the automatic control module and the ultrasonic detection module cooperatively execute detection, and detection data and results are sent to the data access module;
(6) The equipment automatically judges good products and defective products according to the detection result;
(7) The mechanical arm calculates the blanking position of good products/defective products according to the product specification, and the clamping air valve performs blanking;
(8) The cycle goes to step 1, if the air valve is not identified, the process is finished;
The air valve ultrasonic flaw detection equipment can automatically perform feeding, detection and good product/defective product discharging; the visual recognition module is used for recognizing products with various specifications through learning adaptation, and the mechanical arm module is used for feeding and discharging and detecting products with various specifications through space flexibility adaptation.
2. An air valve ultrasonic flaw detection device according to claim 1, characterized in that the vision camera (1) is connected to an industrial control computer through a network cable.
3. The ultrasonic flaw detection device for the air valve according to claim 1, wherein the ultrasonic detection module (7) is a multi-channel ultrasonic flaw detector (6), the ultrasonic detection module (7) is connected to an industrial computer through a network cable, and a plurality of ultrasonic probes are connected to the ultrasonic detection module (7).
4. An air valve ultrasonic flaw detection device according to claim 2, characterized in that the data access module (8) is installed in an industrial control computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110880695.7A CN113588790B (en) | 2021-08-02 | 2021-08-02 | Ultrasonic flaw detection equipment for air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110880695.7A CN113588790B (en) | 2021-08-02 | 2021-08-02 | Ultrasonic flaw detection equipment for air valve |
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| Publication Number | Publication Date |
|---|---|
| CN113588790A CN113588790A (en) | 2021-11-02 |
| CN113588790B true CN113588790B (en) | 2024-05-31 |
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| CN202110880695.7A Active CN113588790B (en) | 2021-08-02 | 2021-08-02 | Ultrasonic flaw detection equipment for air valve |
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| CN (1) | CN113588790B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1317719A (en) * | 1970-03-11 | 1973-05-23 | Krautkraemer Gmbh | Ultrasonic testing apparatus |
| JPS6086458A (en) * | 1983-10-19 | 1985-05-16 | Hitachi Ltd | Ultrasonic flaw detecting method of nozzle part |
| US4811605A (en) * | 1988-02-29 | 1989-03-14 | Canadian Patents And Development Limited/Societe Canadienne Des Brevets Et D'exploitation Limitee | Apparatus and method for inspecting the degradation of a gas nozzle |
| CN2528012Y (en) * | 2001-09-10 | 2002-12-25 | 范洪斌 | Supersonic automatic flaw detector for testing diesel engine gas valve and connecting rod bolt |
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| JP2019100442A (en) * | 2017-12-01 | 2019-06-24 | 関電プラント株式会社 | Diagnosis system for pneumatic operation valve and diagnosis method for pneumatic operation valve |
| CN110220973A (en) * | 2019-06-05 | 2019-09-10 | 滨海双海特钢阀门有限公司 | Ultrasonic flaw detecting device is used in a kind of production of valve |
| CN111623924A (en) * | 2020-05-11 | 2020-09-04 | 安徽格比智能科技有限公司 | High-speed detection equipment for clamping type air valve |
| CN112857706A (en) * | 2021-01-08 | 2021-05-28 | 宁波海蓝气动有限公司 | Pneumatic valve check out test set |
| CN112946076A (en) * | 2021-01-29 | 2021-06-11 | 福建天悦机械有限公司 | Ultrasonic flaw detection device for valve production |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6981420B2 (en) * | 2003-12-01 | 2006-01-03 | Lowrance Arlen J | Omni-directional movement sensor |
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2021
- 2021-08-02 CN CN202110880695.7A patent/CN113588790B/en active Active
Patent Citations (14)
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| GB1317719A (en) * | 1970-03-11 | 1973-05-23 | Krautkraemer Gmbh | Ultrasonic testing apparatus |
| JPS6086458A (en) * | 1983-10-19 | 1985-05-16 | Hitachi Ltd | Ultrasonic flaw detecting method of nozzle part |
| US4811605A (en) * | 1988-02-29 | 1989-03-14 | Canadian Patents And Development Limited/Societe Canadienne Des Brevets Et D'exploitation Limitee | Apparatus and method for inspecting the degradation of a gas nozzle |
| CN2528012Y (en) * | 2001-09-10 | 2002-12-25 | 范洪斌 | Supersonic automatic flaw detector for testing diesel engine gas valve and connecting rod bolt |
| CN103592370A (en) * | 2012-06-26 | 2014-02-19 | 株式会社日立电力解决方案 | Ultrasonic test device and ultrasonic test method |
| CN102721745A (en) * | 2012-06-28 | 2012-10-10 | 吴江市宏达探伤器材有限公司 | Ultrasonic gas valve inspection equipment |
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| CN204479515U (en) * | 2015-03-20 | 2015-07-15 | 辽宁红阳检测有限公司 | With the air valve Special pulse eddy current flaw detec that ultrasonic assistant detects |
| CN107807169A (en) * | 2017-11-29 | 2018-03-16 | 辽宁红阳检测有限公司 | A kind of Diesel Engine's Air Valve failure detector |
| JP2019100442A (en) * | 2017-12-01 | 2019-06-24 | 関電プラント株式会社 | Diagnosis system for pneumatic operation valve and diagnosis method for pneumatic operation valve |
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| CN111623924A (en) * | 2020-05-11 | 2020-09-04 | 安徽格比智能科技有限公司 | High-speed detection equipment for clamping type air valve |
| CN112857706A (en) * | 2021-01-08 | 2021-05-28 | 宁波海蓝气动有限公司 | Pneumatic valve check out test set |
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