CN113514549A - Intelligent flaw detection device and detection method - Google Patents
Intelligent flaw detection device and detection method Download PDFInfo
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- CN113514549A CN113514549A CN202110783544.XA CN202110783544A CN113514549A CN 113514549 A CN113514549 A CN 113514549A CN 202110783544 A CN202110783544 A CN 202110783544A CN 113514549 A CN113514549 A CN 113514549A
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- scraper
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- workpiece
- flaw
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- 238000001514 detection method Methods 0.000 title claims abstract description 49
- 238000003466 welding Methods 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 239000012535 impurity Substances 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 abstract description 2
- 230000005012 migration Effects 0.000 abstract description 2
- 238000013508 migration Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
-
- 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
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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
Provided are an intelligent flaw detection device and a detection method. The invention discloses an ultrasonic intelligent welding line detection device in the technical field of welding line detection, which comprises a base, a vertical plate, a mounting plate, a connecting arm, a rotating arm, a flaw detector, an industrial camera, a rotating assembly, a sealing seat, a connecting rod, an electric push rod, a connecting part, a scraper, a piston and a sliding cavity, wherein a first pipe joint communicated with the sliding cavity is arranged on the outer wall of the sealing seat, a cavity is arranged in the scraper, a second pipe joint communicated with the cavity is arranged on the outer wall of the scraper, the first pipe joint is communicated with the second pipe joint through a pipeline, and a plurality of nozzles communicated with the cavity are arranged on the outer wall of the scraper. Carry out outward appearance through industry camera to the work piece welding seam and detect, the rethread flaw detector detects a flaw to the work piece welding seam, has improved detection quality, the efficiency of work piece welding seam, and need not artifical mode and grip the flaw detector and detect, through setting up the scraper blade, by its horizontal migration of electric push rod drive, can clear away the impurity on work piece welding seam surface, avoids interfering the detection of detecting a flaw to the welding seam.
Description
Technical Field
The invention relates to the technical field of weld joint detection, in particular to an intelligent flaw detection device and a detection method.
Background
Ultrasonic flaw detection is a method for detecting the flaw of a part by using the characteristic that ultrasonic energy penetrates into the depth of a metal material and is reflected at the edge of an interface when the ultrasonic energy enters another section from the section.
The current ultrasonic welding seam flaw detection (detection) instrument mainly detects flaws by workers in a handheld mode, the efficiency of flaw detection operation is low due to the mode, and in addition, ultrasonic welding seam flaw detection equipment cannot detect the safety appearance of a welding seam surface quickly, so that the detection quality and efficiency of the welding seam are reduced.
Based on the above, the invention designs an intelligent flaw detection device and a detection method to solve the above problems.
Disclosure of Invention
The invention aims to provide an intelligent flaw detection device and a detection method, and aims to solve the problems that the conventional ultrasonic weld seam flaw detection (detection) instrument provided in the background technology is mainly used for carrying out flaw detection in a hand-held mode by workers, the flaw detection operation efficiency is low due to the mode, and in addition, the ultrasonic weld seam flaw detection equipment cannot rapidly detect the safety appearance of a weld seam surface, so that the detection quality and the detection efficiency of the weld seam are reduced.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent flaw detection device comprises a base, wherein a vertical plate is arranged on the base, a mounting plate is horizontally and fixedly connected to the upper end of the vertical plate, a connecting arm is vertically and rotatably connected to the mounting plate, a rotating arm is horizontally and fixedly connected to the lower end of the connecting arm, a flaw detector and an industrial camera are respectively mounted at two ends of the rotating arm in the length direction, the flaw detector and the industrial camera are symmetrically arranged along the axial direction of the connecting arm, the connecting arm is driven by a rotating assembly to rotate in the circumferential direction, so that the positions of the flaw detector and the industrial camera are alternately exchanged, a sealing seat is mounted on the vertical plate, a connecting rod is coaxially arranged on the sealing seat in a penetrating manner, the connecting rod can horizontally and freely slide on the sealing seat and is in driving connection with an electric push rod mounted on the sealing seat, one end, far away from the electric push rod, of the connecting rod penetrates through the vertical plate and can horizontally and freely slide, and a connecting part is arranged at one end penetrating through the vertical plate, the connecting part is provided with a scraper plate, the connecting rod is sleeved with a piston, a sliding cavity which is used for clamping the piston and can horizontally and freely slide is arranged in the sealing seat, the outer wall of the sealing seat is provided with a first pipe joint communicated with the sliding cavity, the scraper plate is internally provided with a cavity, the outer wall of the scraper plate is provided with a second pipe joint communicated with the cavity, the first pipe joint is communicated with the second pipe joint through a pipeline, and the outer wall of the scraper plate is provided with a plurality of nozzles communicated with the cavity.
Preferably, the rotating assembly comprises a driven gear sleeved on the connecting arm, a speed reduction motor is vertically installed on the installing plate, a driving gear is connected to the speed reduction motor in a driving mode, and the driving gear is in meshing transmission with the driven gear.
Preferably, the outer wall of the sealing seat, which is far away from one end of the vertical plate, is provided with an air hole communicated with the sliding cavity.
Preferably, a sliding rod is vertically arranged on the scraper and penetrates through the connecting portion and can freely slide up and down, a limiting nut is sleeved at the upper end of the connecting portion, an elastic piece is arranged between the scraper and the connecting portion, and the elastic piece elastically abuts against the scraper and drives the scraper to move downwards.
Preferably, the elastic part is a compression spring sleeved on the sliding rod, and two ends of the compression spring in the elastic direction elastically abut against the scraper and the connecting part respectively.
The detection method of the intelligent flaw detection device comprises the following steps:
step 1, placing a workpiece to be detected on the base, and driving the connecting rod to move by the electric push rod to enable the scraper to scrape impurities on a welding seam on the surface of the workpiece;
and 4, rotating the speed reducing motor again to drive the rotating arm to rotate, so that the flaw detector rotates to the position above the weld joint on the surface of the workpiece, and carrying out flaw detection on the weld joint on the surface of the workpiece by the flaw detector.
Compared with the prior art, the invention has the beneficial effects that: carry out outward appearance through industry camera to the work piece welding seam and detect, the rethread flaw detector detects a flaw to the work piece welding seam, the detection quality of work piece welding seam has been improved, efficiency, and need not artifical mode and grip the flaw detector and detect, through setting up the scraper blade, its horizontal migration is driven by the electric push rod, can clear away the impurity on work piece welding seam surface, avoid interfering the detection of detecting a flaw to the welding seam, in addition, remove through setting up the connecting rod, make the piston slide in the slip intracavity, make the air in the slip intracavity can spout work piece welding seam surface by the nozzle, and then blow off the impurity on work piece welding seam surface, avoid influencing the welding seam and detect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of an assembly structure of an ultrasonic intelligent weld joint detection device according to the present invention;
FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;
fig. 3 is an enlarged schematic view of a partial structure at B in fig. 1.
In the drawings, the components represented by the respective reference numerals are listed below:
1-base, 2-first pipe joint, 3-electric push rod, 4-seal seat, 5-vertical plate, 6-rotating arm, 7-industrial camera, 8-flaw detector, 9-driving gear, 10-connecting arm, 11-driven gear, 12-mounting plate, 13-speed reduction motor, 14-cavity, 15-scraper, 16-compression spring, 17-connecting part, 18-limit nut, 19-sliding rod, 20-connecting rod, 21-second pipe joint, 22-nozzle, 23-sliding cavity, 24-piston and 25-air hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an intelligent flaw detection device comprises a base 1, a vertical plate 5 is arranged on the base 1, a mounting plate 12 is horizontally and fixedly connected to the upper end of the vertical plate 5, a connecting arm 10 is vertically and rotatably connected to the mounting plate 12, a rotating arm 6 is horizontally and fixedly connected to the lower end of the connecting arm 10, flaw detectors 8 (the flaw detectors are ultrasonic flaw detectors in the embodiment) and industrial cameras 7 are respectively mounted at two ends of the rotating arm 6 in the length direction, the flaw detectors 8 and the industrial cameras 7 are symmetrically arranged along the axial direction of the connecting arm 10, the connecting arm 10 is driven by a rotating assembly to rotate in the circumferential direction, so that the positions of the flaw detectors 8 and the industrial cameras 7 are alternately exchanged, the rotating assembly comprises a driven gear 11 sleeved on the connecting arm 10, a speed reducing motor 13 is vertically mounted on the mounting plate 12, a driving gear 9 is connected to the speed reducing motor 13 in a driving mode, the driving gear 9 is in meshing transmission with the driven gear 11, a sealing seat 4 is mounted on the vertical plate 5, a connecting rod 20 coaxially penetrates through the sealing seat 4, the connecting rod 20 can horizontally and freely slide on the sealing seat 4 and is in driving connection with an electric push rod 3 arranged on the sealing seat 4, one end of the connecting rod 20 far away from the electric push rod 3 penetrates through the vertical plate 5 and can horizontally and freely slide, one end of the connecting rod 20 penetrating through the vertical plate 5 is provided with a connecting part 17, a scraper 15 is arranged on the connecting part 17, a piston 24 is sleeved on the connecting rod 20, a sliding cavity 23 which is used for clamping the piston 24 and can horizontally and freely slide is arranged in the sealing seat 4, a first pipe joint 2 communicated with the sliding cavity 23 is arranged on the outer wall of the sealing seat 4, a cavity 14 is arranged in the scraper 15, a second pipe joint 21 communicated with the cavity 14 is arranged on the outer wall of the first pipe joint 2 and the second pipe joint 21 through a pipeline, a plurality of nozzles 22 communicated with the cavity 14 are arranged on the outer wall of the scraper 15, and an air hole 25 communicated with the sliding cavity 23 is arranged on the outer wall of the sealing seat 4 far away from one end of the vertical plate 5, make piston 24 can not produce the air compression phenomenon when sliding in sliding chamber 23, the vertical slide bar 19 that is equipped with on scraper blade 15 in addition, slide bar 19 pierces through connecting portion 17 and can freely slide from top to bottom, coupling portion 17 upper end has cup jointed stop nut 18, be equipped with the compression spring 16 of suit on slide bar 19 between scraper blade 15 and the connecting portion 17, compression spring 16 elasticity direction both ends are elasticity respectively and are supported scraper blade 15, connecting portion 17, and its drive scraper blade 15 moves down, produce elasticity through compression spring 16 to scraper blade 15 and support, make scraper blade 15 can support tight workpiece surface, and adapt to the work piece of different thickness, surface smoothness to a certain extent.
The embodiment also discloses a detection method of the intelligent flaw detection device, which comprises the following steps:
step 1, placing a workpiece to be detected on a base 1, and driving a connecting rod 20 to move by an electric push rod 3, so that a scraper 15 scrapes impurities on a welding seam on the surface of the workpiece;
and 4, rotating the speed reducing motor 13 again to drive the rotating arm 6 to rotate, so that the flaw detector 8 rotates to the position above the weld joint on the surface of the workpiece, and carrying out flaw detection on the weld joint on the surface of the workpiece by the flaw detector 8.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The intelligent flaw detection device comprises a base (1) and is characterized in that a vertical plate (5) is arranged on the base (1), a mounting plate (12) is fixedly connected to the upper end of the vertical plate (5) in a horizontal mode, a connecting arm (10) is vertically and rotatably connected to the mounting plate (12), a rotating arm (6) is fixedly connected to the lower end of the connecting arm (10) in a horizontal mode, a flaw detector (8) and an industrial camera (7) are respectively mounted at two ends of the length direction of the rotating arm (6), the flaw detector (8) and the industrial camera (7) are symmetrically arranged along the axial direction of the connecting arm (10), the connecting arm (10) is driven to rotate in the circumferential direction by a rotating assembly, the positions of the flaw detector (8) and the industrial camera (7) are alternately exchanged, a sealing seat (4) is mounted on the vertical plate (5), and a connecting rod (20) is coaxially arranged on the sealing seat (4) in a penetrating mode, the connecting rod (20) can horizontally and freely slide on the sealing seat (4) and is in driving connection with the electric push rod (3) arranged on the sealing seat (4), one end, far away from the electric push rod (3), of the connecting rod (20) penetrates through the vertical plate (5) and can horizontally and freely slide, one end, penetrating out of the vertical plate (5), of the connecting rod is provided with a connecting part (17), the connecting part (17) is provided with a scraper (15), the connecting rod (20) is sleeved with a piston (24), a sliding cavity (23) for clamping the piston (24) and capable of horizontally and freely sliding is arranged in the sealing seat (4), the outer wall of the sealing seat (4) is provided with a first pipe joint (2) communicated with the sliding cavity (23), the scraper (15) is internally provided with a cavity (14), and the outer wall of the scraper is provided with a second pipe joint (21) communicated with the cavity (14), the first pipe joint (2) is communicated with the second pipe joint (21) through a pipeline, and a plurality of nozzles (22) communicated with the cavity (14) are arranged on the outer wall of the scraper (15).
2. The intelligent flaw detection device of claim 1, wherein the rotating assembly comprises a driven gear (11) sleeved on the connecting arm (10), a speed reduction motor (13) is vertically mounted on the mounting plate (12), a driving gear (9) is connected to the speed reduction motor (13) in a driving manner, and the driving gear (9) is in meshing transmission with the driven gear (11).
3. The intelligent flaw detection device of claim 1, wherein the outer wall of the sealing seat (4) at the end far away from the vertical plate (5) is provided with an air hole (25) communicated with the sliding cavity (23).
4. The intelligent flaw detection device of claim 1, wherein a sliding rod (19) is vertically arranged on the scraper (15), the sliding rod (19) penetrates through the connecting portion (17) and can freely slide up and down, a limit nut (18) is sleeved at the upper end of the connecting portion (17), an elastic member is arranged between the scraper (15) and the connecting portion (17), and the elastic member elastically abuts against the scraper (15) and drives the scraper (15) to move downwards.
5. The intelligent flaw detection device of claim 4, wherein the elastic member is a compression spring (16) sleeved on the sliding rod (19), and both ends of the compression spring (16) in the elastic direction elastically abut against the scraper (15) and the connecting part (17) respectively.
6. A detection method of an intelligent flaw detection device is characterized by comprising the following steps:
step 1, placing a workpiece to be detected on the base (1), and driving the connecting rod (20) to move by the electric push rod (3) so as to enable the scraper (15) to scrape impurities on a welding seam on the surface of the workpiece;
step 2, in the process that the scraper (15) scrapes impurities, the connecting rod (20) moves to enable the piston (24) to slide in the sliding cavity (23), air in the sliding cavity (23) is conveyed into a cavity of the scraper (15) through the first pipe joint (2) and the second pipe joint (21), and then is sprayed onto a welding seam on the surface of a workpiece through the nozzle (22), so that the impurities scraped from the surface of the workpiece are blown out;
step 3, the reduction motor (13) drives the driving gear (9) to rotate, the driven gear (11) drives the connecting arm (10) to rotate, the industrial camera (7) is rotated to be right above the weld joint on the surface of the workpiece, and the appearance of the weld joint on the surface of the workpiece is photographed and analyzed by the industrial camera (7);
and 4, rotating the speed reducing motor (13) again to drive the rotating arm (6) to rotate, so that the flaw detector (8) rotates to the position above the weld joint on the surface of the workpiece, and performing flaw detection on the weld joint on the surface of the workpiece by the flaw detector (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110783544.XA CN113514549A (en) | 2021-07-12 | 2021-07-12 | Intelligent flaw detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110783544.XA CN113514549A (en) | 2021-07-12 | 2021-07-12 | Intelligent flaw detection device and detection method |
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| Publication Number | Publication Date |
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| CN113514549A true CN113514549A (en) | 2021-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110783544.XA Pending CN113514549A (en) | 2021-07-12 | 2021-07-12 | Intelligent flaw detection device and detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114646641A (en) * | 2022-05-18 | 2022-06-21 | 南通港华锅炉有限公司 | Membrane type water-cooled wall appearance detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1118521A (en) * | 1965-03-10 | 1968-07-03 | Italsider Spa | Method and apparatus for ultrasonic inspection of welds |
| CN205271191U (en) * | 2015-12-03 | 2016-06-01 | 成都环龙智能***设备有限公司 | Welding bead intellectual detection system machine imaging system |
| CN205572237U (en) * | 2016-04-05 | 2016-09-14 | 洛阳Lyc轴承有限公司 | Detect a flaw horizontal defectoscope supporting arm of usefulness of asymmetric bearing ring |
| CN207964735U (en) * | 2018-03-21 | 2018-10-12 | 漳州龙文区汇洋远软件开发有限公司 | A kind of supersonic detector that the detection efficiency with preprocessing function is high |
| CN110961768A (en) * | 2019-12-26 | 2020-04-07 | 宋佳 | 3D welding seam detection integrated intelligent welding system |
| CN213456786U (en) * | 2020-11-09 | 2021-06-15 | 唐山华腾模板有限公司 | Hand-held digital welding seam flaw detector |
-
2021
- 2021-07-12 CN CN202110783544.XA patent/CN113514549A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1118521A (en) * | 1965-03-10 | 1968-07-03 | Italsider Spa | Method and apparatus for ultrasonic inspection of welds |
| CN205271191U (en) * | 2015-12-03 | 2016-06-01 | 成都环龙智能***设备有限公司 | Welding bead intellectual detection system machine imaging system |
| CN205572237U (en) * | 2016-04-05 | 2016-09-14 | 洛阳Lyc轴承有限公司 | Detect a flaw horizontal defectoscope supporting arm of usefulness of asymmetric bearing ring |
| CN207964735U (en) * | 2018-03-21 | 2018-10-12 | 漳州龙文区汇洋远软件开发有限公司 | A kind of supersonic detector that the detection efficiency with preprocessing function is high |
| CN110961768A (en) * | 2019-12-26 | 2020-04-07 | 宋佳 | 3D welding seam detection integrated intelligent welding system |
| CN213456786U (en) * | 2020-11-09 | 2021-06-15 | 唐山华腾模板有限公司 | Hand-held digital welding seam flaw detector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114646641A (en) * | 2022-05-18 | 2022-06-21 | 南通港华锅炉有限公司 | Membrane type water-cooled wall appearance detection device |
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