CN108593659A - The full-automatic scanning detection device of laser welded seam surface quality and method - Google Patents
The full-automatic scanning detection device of laser welded seam surface quality and method Download PDFInfo
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- CN108593659A CN108593659A CN201810377332.XA CN201810377332A CN108593659A CN 108593659 A CN108593659 A CN 108593659A CN 201810377332 A CN201810377332 A CN 201810377332A CN 108593659 A CN108593659 A CN 108593659A
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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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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Abstract
The present invention relates to a kind of full-automatic scanning detection device of laser welded seam surface quality and methods, belong to laser detection field.Laser range sensor is fixed on sensor stand；Sensor stand is connected with scanning driver, and is moved to X, Y-direction under the action of scanning driver；Scanning driver is fixed on by fixed seat on workpiece；Industrial computer is connected by power cord with motor drive module and scanning driver, while industrial computer is connected by signal wire with laser controlling card and laser range sensor.Advantage is：It is few to solve laser welded seam non-destructive testing technology, the problems such as existing non-destructive testing technology precision is low, and testing conditions are harsh, realize various sizes, width laser welded seam surface profile detection, and the image formed by computer fitting, the quality of stability and laser welded seam to technique are assessed.The configuration of the present invention is simple has higher accuracy of detection while ensureing detection speed.
Description
Technical field
The present invention relates to laser detection fields, more particularly to face of weld quality testing field, espespecially a kind of to be based on laser
The full-automatic scanning detection device of laser welded seam surface quality and method of ranging technology.
Background technology
Laser Welding is easy to operate since its energy density is high, is used widely in industry manufacture field, to Laser Welding
Quality testing requires also higher and higher.Currently used Laser Welding detection method is destructive sampling observation, and in rail traffic etc. pair
Welding quality is more demanding, detects the higher occasion of frequency, then mostly uses ultrasound examination greatly as lossless detection method.Ultrasound
The linkage interface that Welded Joints are capable of in wave detection carries out quantitative detection.But since supersonic beam has certain width,
Its accuracy of detection is relatively low, and particularly with the detection of thin plate bead weld, precision is often difficult to meet the requirements.On the other hand, due to
Supersonic beam, which enters in steel plate, needs preferable couple state, therefore more demanding to workpiece surface quality, and face of weld is difficult
Reach the formation state needed for ultrasound detection, most of laser welded seam is difficult to detect with ultrasonic wave.Therefore, to the nothing of laser welded seam
Damage detection method is urgently studied.
Invention content
The purpose of the present invention is to provide a kind of full-automatic scanning detection device of laser welded seam surface quality and methods, solve
The problems such as precision is low existing for existing non-destructive testing technology, and testing conditions are harsh realizes the surface profile detection of laser welded seam,
Simultaneously according to the variation of profile, and pass through the image of computer fitting formation, the matter of stability and laser welded seam to technique
Amount is assessed.The present invention becomes suitable for various sizes, the surface profile detection of the laser welded seam of width according to surface profile
The stability and welding quality of technique are assessed in change.
The above-mentioned purpose of the present invention is achieved through the following technical solutions：
The full-automatic scanning detection device of laser welded seam surface quality, including industrial computer 1, laser controlling card 2, motor drive mould
Block 3, scanning driver 4, sensor stand 5, laser range sensor 6, laser range sensor 6 are fixed on sensor stand 5
On；Sensor stand 5 is connected with scanning driver 4, and is moved to X, Y-direction under the action of scanning driver 4；Scanning drives
Device 4 is fixed on by fixed seat 8 on workpiece 7；Industrial computer 1 passes through power cord and motor drive module 3 and scanning driver 4
It is connected, while industrial computer 1 is connected by signal wire with laser controlling card 2 and laser range sensor 6；
The scanning driver 4 includes shell 401, upper cover 402, Y-direction motion module, Y-direction fixation guide rail 408, Y-direction moving slide block
409, for X to motion module, X to movement sliding rail 415, the Y-direction motion module includes Y-direction motor 403, synchronous belt 404, Y-direction master
Driving wheel 405, Y-direction driven wheel 410, the Y-direction motor 403 are fixed on shell 401；Y-direction driving wheel 405 is fixed on Y-direction motor
On 403 output shaft；The axle center of Y-direction driven wheel 410 is connected with shell 401；Synchronous belt 404 is connected to Y-direction driving wheel 405 and Y
To on driven wheel 410；Y-direction movement frame 407 is fixed together by synchronous belt briquetting 406 and 404 lower end of synchronous belt；When Y-direction electricity
When machine 403 moves, output shaft drives Y-direction driving wheel 405 to rotate, 410 synchronous rotary of Y-direction driven wheel, and synchronous belt 404 is made to carry out
Rotary motion, to drive Y-direction movement frame 407 and the X being attached thereto to move along a straight line to motion module along Y-direction；
The X to motion module include Y-direction movement frame 407, synchronous belt briquetting 406, X to motor 413, X to driving gear 414, X
To movement rack 412, X to movement frame 411, the X is fixed on to motor 413 on Y-direction movement frame 407；X to driving gear 414
It links together to the output shaft of motor 413 with X；X is fixed together to movement rack 412 and X to movement frame 411；X is to movement
Frame 411 is fixed together with sensor stand 5；When X is moved to motor 413, output shaft drives X to be rotated to driving wheel 414,
It drives and is moved in a straight line to the X that driving wheel 414 is meshed to rack 412 is moved with X, to make X to movement frame 411 and phase therewith
Sensor stand 5 even is along X to moving along a straight line.
The Y-direction is fixed guide rail 408 and is fixed on shell 401, and Y-direction moving slide block 409 is fixed to Y-direction movement frame 407
On, Y-direction moving slide block 409 is fixed guide rail 408 with Y-direction and is matched, and support and guiding role are played to Y-direction movement frame 407.
The X is Miniature precision ball cunning group to sliding rail 415 is moved, by outer slide, inner slide and sliding rail Ball Transmission
System forms, it can be achieved that relative motion between sliding rail inner and outer slider；Inner slides and Y-direction movement frame 407 phase of the X to movement sliding rail 415
Even, X is connected with X to movement frame 411 to the outer slide of tracks 415, and guarantee X is to the smooth motion in X direction of movement frame 411.
The X is high-precision stepper motor to motor 413 and Y-direction motor 403, is controlled by motor drive module 3, electricity
Machine drive module 3 often gives a pulse, X then to press direction initialization to motor 413 or Y-direction motor 403 and rotate, and drives and is attached thereto
Mechanism kinematic.
The laser range sensor 6 is single-point type high-precision laser range-finding sensor, can emit and receive laser
Beam, and the light path information that feedback laser beam is propagated.
The laser controlling card 2 by be integrated on one piece of PCI bus mainboard laser transmission circuit, laser pick-off electricity
Road and A/D analog to digital conversion circuits are constituted, and are connect with industrial computer 1 by PCI buses, transmitting and acquisition laser signal, and will
Analog signal is converted into digital signal and is passed to industrial computer 1.
The industrial computer 1 is strong portable machine, is swashed for controlling the progress of laser range sensor 6 current location
Light emitting/reception；Laser range sensor 6 is driven to carry out X-Y to movement, to complete detection zone by scanning driver 4 simultaneously
The cover type scanning in domain；Data processing and Graphical output, the intuitive face of weld for showing scanning zone are carried out to scanning result
Quality measurements.
Another object of the present invention is to provide a kind of full-automatic scanning detection methods of laser welded seam surface quality, including such as
Lower step：
Scanning driver is fixed on workpiece for measurement, and adjusts fixed seat by step 1, and laser range sensor position is made to be in
In reference measure distance range, industrial computer drives the X in scanning driver electric to motor, Y-direction by motor drive module
Machine returns to scanning origin；
Step 2, industrial computer send out motion impulse to the X of scanning driver by motor drive module to motor, make X to electricity
Machine output shaft and X are rotated to driving wheel, and the X being meshed to driving wheel with X is driven to be moved in a straight line to movement rack, to making and
X is to movement frame and the sensor stand being attached thereto along X to moving；
Step 3, industrial computer send out detection signal, laser range sensor by laser controlling card to laser range sensor
Transmitting/reception laser signal, records and handles light pulse and receive undergone time from being emitted to, and according to the light of laser propagation
Speed calculates current detection point and feeds back to industrial computer at a distance from laser range sensor, and by distance value；
Step 4 repeats step 2 and step 3, until completing the straight line scanning in X-direction；
Step 5, industrial computer send out motion impulse by motor drive module to the Y-direction motor of scanning driver, keep Y-direction electric
Machine output shaft drives Y-direction driving wheel 405 to rotate, 410 synchronous rotary of Y-direction driven wheel, and synchronous belt 404 is made to carry out rotary motion, from
And Y-direction movement frame 407 and the X being attached thereto is driven to be moved to motion module along Y-direction；
Step 6 repeats step 2 and step 3, until completing the Article 2 straight line scanning in X-direction；
Step 7 repeats step 5 and step 6, until all X are completed to straight line scanning；
Step 8, industrial computer are according to the measurement point of the coordinate and corresponding position that calculate all scanning positions to laser ranging
The distance value of sensor, measurement point is indicated in the three dimensions in scanning scope, and all measurement points fittings then obtain Laser Welding
The surface profile image of seam completes surface quality detection.
The beneficial effects of the present invention are：The present invention provides a kind of full-automatic scanning detection dresses of laser welded seam surface quality
It sets and method, solves that laser welded seam non-destructive testing technology is few, and existing non-destructive testing technology precision is low, and testing conditions harshness etc. is asked
Topic realizes the surface profile detection of laser welded seam, while according to the variation of profile, and the figure formed by computer fitting
The quality of picture, stability and laser welded seam to technique is assessed.The configuration of the present invention is simple, while ensureing detection speed
With higher accuracy of detection.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative example and its explanation is not constituted improper limitations of the present invention for explaining the present invention.
Fig. 1 is the schematic diagram of mechanism of the full-automatic scanning detection device of laser welded seam surface quality of the present invention；
Fig. 2 is the internal structure chart of the full-automatic scanning detection device of laser welded seam surface quality of the present invention；
Fig. 3 is the sectional view of the full-automatic scanning detection device of laser welded seam surface quality of the present invention；
Fig. 4 is the scanning detects schematic diagram of the full-automatic scanning detection method of laser welded seam surface quality of the present invention.
In figure：1, industrial computer；2, laser controlling card；3, motor drive module；4, scanning driver；401, shell；
402, upper cover；403, Y-direction motor；404, synchronous belt；405, Y-direction driving wheel；406, synchronous belt briquetting；407, Y-direction movement frame；
408, Y-direction fixes guide rail；409, Y-direction moving slide block；410, Y-direction driven wheel；411, X is to movement frame；412, X to movement rack；
413, X is to motor；414, X to driving gear；415, X to movement sliding rail；5, sensor stand；6, laser range sensor；7、
Workpiece；8, fixed seat.
Specific implementation mode
The detailed content and its specific implementation mode further illustrated the present invention below in conjunction with the accompanying drawings.
Shown in Fig. 1 to Fig. 3, the full-automatic scanning detection device of laser welded seam surface quality of the invention solves laser
The problems such as weld seam non-destructive testing technology is few, and existing non-destructive testing technology precision is low, and testing conditions are harsh realizes various sizes, width
The surface profile of the laser welded seam of degree detects, and the image formed by computer fitting, to the stability and Laser Welding of technique
The quality of seam is assessed.The configuration of the present invention is simple has higher accuracy of detection while ensureing detection speed.Including work
Industry computer 1, laser controlling card 2, motor drive module 3, scanning driver 4, sensor stand 5, laser range sensor 6,
Laser range sensor 6 is fixed on sensor stand 5；Sensor stand 5 is connected with scanning driver 4, and is driven in scanning
It is moved to X, Y-direction under the action of device 4；Scanning driver 4 is fixed on by fixed seat 8 on workpiece 7；Industrial computer 1 passes through
Power cord is connected with motor drive module 3 and scanning driver 4, while industrial computer 1 passes through signal wire and laser controlling card 2
It is connected with laser range sensor 6；
The scanning driver 4 includes shell 401, upper cover 402, Y-direction motion module, Y-direction fixation guide rail 408, Y-direction moving slide block
409, for X to motion module, X to movement sliding rail 415, the Y-direction motion module includes Y-direction motor 403, synchronous belt 404, Y-direction master
Driving wheel 405, Y-direction driven wheel 410, the Y-direction motor 403 are fixed on shell 401；Y-direction driving wheel 405 is fixed on Y-direction motor
On 403 output shaft；The axle center of Y-direction driven wheel 410 is connected with shell 401；Synchronous belt 404 is connected to Y-direction driving wheel 405 and Y
To on driven wheel 410；Y-direction movement frame 407 is fixed together by synchronous belt briquetting 406 and 404 lower end of synchronous belt；When Y-direction electricity
When machine 403 moves, output shaft drives Y-direction driving wheel 405 to rotate, 410 synchronous rotary of Y-direction driven wheel, and synchronous belt 404 is made to carry out
Rotary motion, to drive Y-direction movement frame 407 and the X being attached thereto to move along a straight line to motion module along Y-direction；
The X to motion module include Y-direction movement frame 407, synchronous belt briquetting 406, X to motor 413, X to driving gear 414, X
To movement rack 412, X to movement frame 411, the X is fixed on to motor 413 on Y-direction movement frame 407；X to driving gear 414
It links together to the output shaft of motor 413 with X；X is fixed together to movement rack 412 and X to movement frame 411；X is to movement
Frame 411 is fixed together with sensor stand 5；When X is moved to motor 413, output shaft drives X to be rotated to driving wheel 414,
It drives and is moved in a straight line to the X that driving wheel 414 is meshed to rack 412 is moved with X, to make X to movement frame 411 and phase therewith
Sensor stand 5 even is along X to moving along a straight line.
The Y-direction is fixed guide rail 408 and is fixed on shell 401, and Y-direction moving slide block 409 is fixed to Y-direction movement frame 407
On, Y-direction moving slide block 409 is fixed guide rail 408 with Y-direction and is matched, and support and guiding role are played to Y-direction movement frame 407.
The X is Miniature precision ball cunning group to sliding rail 415 is moved, by outer slide, inner slide and sliding rail Ball Transmission
System forms, it can be achieved that relative motion between sliding rail inner and outer slider；Inner slides and Y-direction movement frame 407 phase of the X to movement sliding rail 415
Even, X is connected with X to movement frame 411 to the outer slide of tracks 415, and guarantee X is to the smooth motion in X direction of movement frame 411.
The X is high-precision stepper motor to motor 413 and Y-direction motor 403, is controlled by motor drive module 3, electricity
Machine drive module 3 often gives a pulse, X then to press direction initialization to motor 413 or Y-direction motor 403 and rotate a special angle, drive
The dynamic mechanism kinematic being attached thereto.
The laser range sensor 6 is single-point type high-precision laser range-finding sensor, can emit and receive laser
Beam, and the light path information that feedback laser beam is propagated.
The laser controlling card 2 by be integrated on one piece of PCI bus mainboard laser transmission circuit, laser pick-off electricity
Road and A/D analog to digital conversion circuits are constituted, and are connect with industrial computer 1 by PCI buses, transmitting and acquisition laser signal, and will
Analog signal is converted into digital signal and is passed to industrial computer 1.
The industrial computer 1 is strong portable machine, is swashed for controlling the progress of laser range sensor 6 current location
Light emitting/reception；Laser range sensor 6 is driven to carry out X-Y to movement, to complete detection zone by scanning driver 4 simultaneously
The cover type scanning in domain；Data processing and Graphical output are carried out to scanning result by built-in algorithm, it is intuitive to show scanning area
The face of weld quality measurements in domain.
Shown in Figure 4, the full-automatic scanning detection method of laser welded seam surface quality of the invention includes the following steps：
Scanning driver is fixed on workpiece for measurement, and adjusts fixed seat by step 1, and laser range sensor position is made to be in
In reference measure distance range, industrial computer drives the X in scanning driver electric to motor, Y-direction by motor drive module
Machine returns to scanning origin；
Step 2, industrial computer send out motion impulse to the X of scanning driver by motor drive module to motor, make X to electricity
Machine output shaft and X are rotated to driving wheel, and the X being meshed to driving wheel with X is driven to be moved in a straight line to movement rack, to making and
X is to movement frame and the sensor stand being attached thereto along X to moving；
Step 3, industrial computer send out detection signal, laser range sensor by laser controlling card to laser range sensor
Transmitting/reception laser signal, records and handles light pulse and receive undergone time from being emitted to, and according to the light of laser propagation
Speed calculates current detection point and feeds back to industrial computer at a distance from laser range sensor, and by distance value；
Step 4 repeats step 2 and step 3, until completing the straight line scanning in X-direction；
Step 5, industrial computer send out motion impulse by motor drive module to the Y-direction motor of scanning driver, keep Y-direction electric
Machine output shaft drives Y-direction driving wheel 405 to rotate, 410 synchronous rotary of Y-direction driven wheel, and synchronous belt 404 is made to carry out rotary motion, from
And Y-direction movement frame 407 and the X being attached thereto is driven to be moved to motion module along Y-direction；
Step 6 repeats step 2 and step 3, until completing the Article 2 straight line scanning in X-direction；
Step 7 repeats step 5 and step 6, until all X are completed to straight line scanning；
The measurement point for the coordinate and corresponding position that step 8, industrial computer calculate all scanning positions according to built-in algorithm arrives
The distance value of laser range sensor, indicates measurement point in the three dimensions in scanning scope, all measurement points fittings, then
To the surface profile image of laser welded seam, surface quality detection is completed.
The foregoing is merely the preferred embodiments of the present invention, are not intended to restrict the invention, for the technology of this field
For personnel, the invention may be variously modified and varied.All any modification, equivalent substitution, improvement and etc. made for the present invention,
It should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of full-automatic scanning detection device of laser welded seam surface quality, it is characterised in that：Including industrial computer（1）, swash
Light-operated fabrication（2）, motor drive module（3）, scanning driver（4）, sensor stand（5）, laser range sensor（6）, swash
Ligh-ranging sensor（6）It is fixed on sensor stand（5）On；Sensor stand（5）With scanning driver（4）It is connected, and is sweeping
Look into driver（4）Under the action of moved to X, Y-direction；Scanning driver（4）Pass through fixed seat（8）It is fixed on workpiece（7）On；Work
Industry computer（1）Pass through power cord and motor drive module（3）With scanning driver（4）It is connected, while industrial computer（1）It is logical
Cross signal wire and laser controlling card（2）And laser range sensor（6）It is connected；
The scanning driver（4）Including shell（401）, upper cover（402）, Y-direction motion module, Y-direction fix guide rail（408）, Y-direction
Moving slide block（409）, X to motion module, X to movement sliding rail（415）, the Y-direction motion module includes Y-direction motor（403）, it is same
Walk band（404）, Y-direction driving wheel（405）, Y-direction driven wheel（410）, the Y-direction motor（403）It is fixed on shell（401）On；Y-direction
Driving wheel（405）It is fixed on Y-direction motor（403）Output shaft on；Y-direction driven wheel（410）Axle center and shell（401）It is connected；
Synchronous belt（404）It is connected to Y-direction driving wheel（405）With Y-direction driven wheel（410）On；Y-direction movement frame（407）It is with pressure by synchronizing
Block（406）With synchronous belt（404）Lower end is fixed together；When Y-direction motor（403）When movement, output shaft drives Y-direction driving wheel
（405）Rotation, Y-direction driven wheel（410）Synchronous rotary makes synchronous belt（404）Rotary motion is carried out, to drive Y-direction movement frame
（407）And the X being attached thereto moves along a straight line to motion module along Y-direction；
The X to motion module include Y-direction movement frame（407）, synchronous belt briquetting（406）, X is to motor（413）, X is to sliding tooth
Wheel（414）, X to movement rack（412）, X is to movement frame（411）, the X is to motor（413）It is fixed on Y-direction movement frame（407）
On；X to driving gear（414）With X to motor（413）Output shaft link together；X to movement rack（412）With X to movement
Frame（411）It is fixed together；X is to movement frame（411）With sensor stand（5）It is fixed together；When X is to motor（413）Movement
When, output shaft drives X to driving wheel（414）Rotation drives with X to driving wheel（414）The X being meshed to movement rack
（412）It moves in a straight line, to make X to movement frame（411）And the sensor stand being attached thereto（5）Along X to carry out straight line fortune
It is dynamic.
2. the full-automatic scanning detection device of laser welded seam surface quality according to claim 1, it is characterised in that：Described
Y-direction fixes guide rail（408）It is fixed on shell（401）On, Y-direction moving slide block（409）Fixed to Y-direction movement frame（407）On, Y-direction
Moving slide block（409）Guide rail is fixed with Y-direction（408）It matches, to Y-direction movement frame（407）Play support and guiding role.
3. the full-automatic scanning detection device of laser welded seam surface quality according to claim 1, it is characterised in that：Described
X to movement sliding rail（415）For Miniature precision ball cunning group, it is made of outer slide, inner slide and sliding rail Ball Transmission system, it can be real
Relative motion between existing sliding rail inner and outer slider；X to movement sliding rail（415）Inner slide and Y-direction movement frame（407）It is connected, X is to fortune
Dynamic rail road（415）Outer slide and X to movement frame（411）It is connected, ensures X to movement frame（411）Smooth motion in X direction.
4. the full-automatic scanning detection device of laser welded seam surface quality according to claim 1, it is characterised in that：Described
X is to motor（413）With Y-direction motor（403）It is high-precision stepper motor, by motor drive module（3）Control, motor drive mould
Block（3）A pulse is often given, X is to motor（413）Or Y-direction motor（403）It then presses direction initialization to rotate, drives the machine being attached thereto
Structure along X to or Y-direction move.
5. the full-automatic scanning detection device of laser welded seam surface quality according to claim 1, it is characterised in that：Described
Laser range sensor（6）For single-point type high-precision laser range-finding sensor, it can emit and receive laser beam, and feedback laser
The light path information that beam is propagated.
6. the full-automatic scanning detection device of laser welded seam surface quality according to claim 1, it is characterised in that：Described
Laser controlling card（2）Turned by the laser transmission circuit, laser pick-off circuit and the A/D moduluses that are integrated on one piece of PCI bus mainboard
Circuit composition is changed, PCI buses and industrial computer are passed through（1）Connection, transmitting and acquisition laser signal, and analog signal is turned
It turns to digital signal and is passed to industrial computer（1）.
7. the full-automatic scanning detection device of laser welded seam surface quality according to claim 1, it is characterised in that：Described
Industrial computer（1）For strong portable machine, for controlling laser range sensor（6）Progress current location Laser emission/connect
It receives；Pass through scanning driver simultaneously（4）Drive laser range sensor（6）X-Y is carried out to movement, to complete covering for detection zone
Lid formula scanning；Data processing and Graphical output, the intuitive face of weld quality inspection for showing scanning zone are carried out to scanning result
Survey result.
8. a kind of full-automatic scanning detection method of laser welded seam surface quality, it is characterised in that：Include the following steps：
Scanning driver is fixed on workpiece for measurement, and adjusts fixed seat by step 1, and laser range sensor position is made to be in
In reference measure distance range, industrial computer drives the X in scanning driver electric to motor, Y-direction by motor drive module
Machine returns to scanning origin；
Step 2, industrial computer send out motion impulse to the X of scanning driver by motor drive module to motor, make X to electricity
Machine output shaft and X are rotated to driving wheel, and the X being meshed to driving wheel with X is driven to be moved in a straight line to movement rack, to making and
X is to movement frame and the sensor stand being attached thereto along X to moving；
Step 3, industrial computer send out detection signal, laser range sensor by laser controlling card to laser range sensor
Transmitting/reception laser signal, records and handles light pulse and receive undergone time from being emitted to, and according to the light of laser propagation
Speed calculates current detection point and feeds back to industrial computer at a distance from laser range sensor, and by distance value；
Step 4 repeats step 2 and step 3, until completing the straight line scanning in X-direction；
Step 5, industrial computer send out motion impulse by motor drive module to the Y-direction motor of scanning driver, keep Y-direction electric
Machine output shaft drives Y-direction driving wheel（405）Rotation, Y-direction driven wheel（410）Synchronous rotary makes synchronous belt（404）Carry out revolution fortune
It is dynamic, to drive Y-direction movement frame（407）And the X being attached thereto is moved to motion module along Y-direction；
Step 6 repeats step 2 and step 3, until completing the Article 2 straight line scanning in X-direction；
Step 7 repeats step 5 and step 6, until all X are completed to straight line scanning；
Step 8, industrial computer are according to the measurement point of the coordinate and corresponding position that calculate all scanning positions to laser ranging
The distance value of sensor, measurement point is indicated in the three dimensions in scanning scope, and all measurement points fittings then obtain Laser Welding
The surface profile image of seam completes surface quality detection.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108785A (en) * | 2019-05-17 | 2019-08-09 | 深圳市中昌探伤器材有限公司 | A kind of weld seam recognition device and recognition methods |
| CN111025311A (en) * | 2018-10-09 | 2020-04-17 | 中国农业机械化科学研究院 | Device and method for detecting welded body of grain cleaning sieve box |
| CN111090099A (en) * | 2020-01-08 | 2020-05-01 | 深圳市轴心自控技术有限公司 | Laser ranging sensor detection module and detection method for electronic product assembly |
| CN111721767A (en) * | 2020-05-15 | 2020-09-29 | 洛阳矿山机械工程设计研究院有限责任公司 | Online detection method for roll surface abrasion of roll squeezer |
| CN112712908A (en) * | 2020-12-30 | 2021-04-27 | 中核武汉核电运行技术股份有限公司 | Control system and inspection method for saddle surface weld joint inspection device of hot gas conduit |
| CN113984768A (en) * | 2021-12-24 | 2022-01-28 | 佛山隆深机器人有限公司 | Welding seam welding visual tracking detection device |
| CN114559157A (en) * | 2022-04-29 | 2022-05-31 | 中国航空制造技术研究院 | Welding seam track autonomous locating device, system and method based on machine vision |
| CN115166044A (en) * | 2022-09-07 | 2022-10-11 | 江苏华能电子有限公司 | Iron core appearance detection device for buzzer production |
| CN115616007A (en) * | 2022-09-21 | 2023-01-17 | 龙岩学院 | Automatic adjusting device and method for X-ray detection of weld defects |
| CN115616007B (en) * | 2022-09-21 | 2024-04-26 | 龙岩学院 | Automatic adjusting device and method for weld defect X-ray detection |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091802A (en) * | 2015-09-09 | 2015-11-25 | 华中科技大学 | Portable two-dimensional following laser measurement device based on laser distance measuring sensor |
| CN106323192A (en) * | 2015-06-23 | 2017-01-11 | 河南理工大学 | Longitudinal welded pipe welding seam protrusion detecting system based on laser scanning |
| CN106382884A (en) * | 2016-08-18 | 2017-02-08 | 广东工业大学 | Point light source welding seam scanning detection method |
| CN206056503U (en) * | 2016-08-18 | 2017-03-29 | 广东工业大学 | A kind of point source scans the detection means of weld seam |
| CN206208199U (en) * | 2016-11-10 | 2017-05-31 | 华南理工大学 | Suitable for the line laser detection device of drag articulation type six-shaft industrial robot |
| CN106841386A (en) * | 2017-02-15 | 2017-06-13 | 吉林大学 | Compact hand-held solder joint ultrasound automatic scanning device |
| CN106970151A (en) * | 2017-05-16 | 2017-07-21 | 长春工业大学 | Portable plane overlaps the phased array supersonic quantitative testing device and method of short weld seam |
| CN107631699A (en) * | 2017-08-18 | 2018-01-26 | 中北大学 | Weld seam three-dimensional appearance construction method based on network laser |
-
2018
- 2018-04-25 CN CN201810377332.XA patent/CN108593659A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323192A (en) * | 2015-06-23 | 2017-01-11 | 河南理工大学 | Longitudinal welded pipe welding seam protrusion detecting system based on laser scanning |
| CN105091802A (en) * | 2015-09-09 | 2015-11-25 | 华中科技大学 | Portable two-dimensional following laser measurement device based on laser distance measuring sensor |
| CN106382884A (en) * | 2016-08-18 | 2017-02-08 | 广东工业大学 | Point light source welding seam scanning detection method |
| CN206056503U (en) * | 2016-08-18 | 2017-03-29 | 广东工业大学 | A kind of point source scans the detection means of weld seam |
| CN206208199U (en) * | 2016-11-10 | 2017-05-31 | 华南理工大学 | Suitable for the line laser detection device of drag articulation type six-shaft industrial robot |
| CN106841386A (en) * | 2017-02-15 | 2017-06-13 | 吉林大学 | Compact hand-held solder joint ultrasound automatic scanning device |
| CN106970151A (en) * | 2017-05-16 | 2017-07-21 | 长春工业大学 | Portable plane overlaps the phased array supersonic quantitative testing device and method of short weld seam |
| CN107631699A (en) * | 2017-08-18 | 2018-01-26 | 中北大学 | Weld seam three-dimensional appearance construction method based on network laser |
Non-Patent Citations (1)
| Title |
|---|
| 林成惠: "基于激光测距的焊缝轨迹检测与跟踪", 《万方学位论文》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025311A (en) * | 2018-10-09 | 2020-04-17 | 中国农业机械化科学研究院 | Device and method for detecting welded body of grain cleaning sieve box |
| CN110108785A (en) * | 2019-05-17 | 2019-08-09 | 深圳市中昌探伤器材有限公司 | A kind of weld seam recognition device and recognition methods |
| CN111090099A (en) * | 2020-01-08 | 2020-05-01 | 深圳市轴心自控技术有限公司 | Laser ranging sensor detection module and detection method for electronic product assembly |
| CN111090099B (en) * | 2020-01-08 | 2024-01-16 | 深圳市轴心自控技术有限公司 | Detection module and detection method of laser ranging sensor assembled by electronic product |
| CN111721767A (en) * | 2020-05-15 | 2020-09-29 | 洛阳矿山机械工程设计研究院有限责任公司 | Online detection method for roll surface abrasion of roll squeezer |
| CN112712908A (en) * | 2020-12-30 | 2021-04-27 | 中核武汉核电运行技术股份有限公司 | Control system and inspection method for saddle surface weld joint inspection device of hot gas conduit |
| CN113984768A (en) * | 2021-12-24 | 2022-01-28 | 佛山隆深机器人有限公司 | Welding seam welding visual tracking detection device |
| CN114559157A (en) * | 2022-04-29 | 2022-05-31 | 中国航空制造技术研究院 | Welding seam track autonomous locating device, system and method based on machine vision |
| CN115166044A (en) * | 2022-09-07 | 2022-10-11 | 江苏华能电子有限公司 | Iron core appearance detection device for buzzer production |
| CN115616007A (en) * | 2022-09-21 | 2023-01-17 | 龙岩学院 | Automatic adjusting device and method for X-ray detection of weld defects |
| CN115616007B (en) * | 2022-09-21 | 2024-04-26 | 龙岩学院 | Automatic adjusting device and method for weld defect X-ray detection |
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