CN106735747A - Laser welded seam image sensing device - Google Patents
Laser welded seam image sensing device Download PDFInfo
- Publication number
- CN106735747A CN106735747A CN201611193247.5A CN201611193247A CN106735747A CN 106735747 A CN106735747 A CN 106735747A CN 201611193247 A CN201611193247 A CN 201611193247A CN 106735747 A CN106735747 A CN 106735747A
- Authority
- CN
- China
- Prior art keywords
- frame
- leading screw
- sensor
- sensing device
- laser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims description 20
- 239000013307 optical fiber Substances 0.000 claims description 13
- 239000000523 sample Substances 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 17
- 238000001444 catalytic combustion detection Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/127—Means for tracking lines during arc welding or cutting
- B23K9/1272—Geometry oriented, e.g. beam optical trading
- B23K9/1274—Using non-contact, optical means, e.g. laser means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a kind of laser welded seam image sensing device.This laser welded seam image sensing device, including frame, frame central are provided with the workbench that liftable clamping band detects workpiece, and frame upper surface is provided with portal frame, planker is slidably fitted with portal frame, and sensor is provided with planker;The workbench is by Driven by Hydraulic Cylinder;The line slideway and lower leading screw be arrangeding in parallel are installed, portal frame two ends are slidably connected with line slideway and lower leading screw respectively by sliding block in described frame.Simple structure of the present invention, reasonable in design, easy to operate, under the driving of lower leading screw, sensor can be moved forward and backward, and under the drive of upper leading screw, sensor can be moved left and right;The laser that laser sends reflects by workpiece weld seam face and is received by area array CCD, detects welding line structure;Hydraulic cylinder can drive worktable lifting.
Description
Technical field
The present invention relates to welding line detector technical field, especially a kind of laser welded seam image sensing device.
Background technology
Welding robot can improve efficiency, optimization quality, improve working conditions, thus develops and apply welding robot
Huge effect is played to Chinese national economy.During welding robot welding, if welding condition is basicly stable,
Robot ensure that welding quality.But, due to the influence of various factors, actual welding condition often changes.Example
Such as:Due to strong arc light radiation, high temperature, flue dust, splashing, groove situation, mismachining tolerance, fixture clamping precision, surface state,
Welding gun can be made to deviate weld seam with the influence such as workpiece thermal deformation, so as to cause welding quality to decline even failure.Therefore, welding condition
This change require that welding robot can in real time find the deviation of weld seam, and adjust path of welding and welding parameter, it is ensured that
The reliability of welding quality.
The content of the invention
The technical problem to be solved in the present invention is:Overcome the deficiencies in the prior art, there is provided a kind of simple structure, detect weld seam
Accurate laser welded seam image sensing device.
The technical solution adopted for the present invention to solve the technical problems is:A kind of laser welded seam image sensing device, including
Frame, frame central is provided with the workbench that liftable clamping band detects workpiece, and frame upper surface is provided with portal frame, gantry
Planker is slidably fitted with frame, sensor is installed on planker;The workbench is by Driven by Hydraulic Cylinder;Installed in described frame
The line slideway and lower leading screw be arrangeding in parallel, portal frame two ends are slidably connected with line slideway and lower leading screw respectively by sliding block.
Further, upper leading screw and the carriage rail positioned at upper leading screw both sides are installed on the portal frame crossbeam, on
Planker is installed on leading screw and carriage rail.
Further, described sensor includes sensor base and sensor probe, and sensor base includes sensor
Base housing, sensor base housing is built-in with the area array CCD and laser being distributed side by side;The sensor probe includes sensing
Device probing shell, sensor probe housing is built-in with the Optic transmission fiber head being vertically arranged and the image transmission optical fibre head being obliquely installed, and passes
Optic transmission fiber is passed sequentially through on light optical fiber head and the second coupling part is connected to laser, biography is passed sequentially through on image transmission optical fibre head as light
Fine and the first coupling part is connected to area array CCD.
Further, dust cover is installed in described frame.
The beneficial effects of the invention are as follows:Simple structure of the present invention, it is reasonable in design, it is easy to operate, under the driving of lower leading screw,
Sensor can be moved forward and backward, and under the drive of upper leading screw, sensor can be moved left and right;The laser that laser sends is welded by workpiece
The reflection of seam face is received by area array CCD, detects welding line structure;Hydraulic cylinder can drive worktable lifting, and weld seam detection is functional.
Brief description of the drawings
The present invention is further described below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the invention;
Fig. 2 is the structural representation of planker and portal frame;
Fig. 3 is the structural representation of imageing sensor.
Wherein:1. frame, 2. workbench, 3. line slideway, 4. lower leading screw, 5. portal frame, 6. planker, 7. hydraulic cylinder, 8.
Upper leading screw, 9. carriage rail, 10. sensor base housing, 11. area array CCDs, 12. lasers, 13. first coupling parts, 14. pass
As optical fiber, 15. sensor probe housings, 16. image transmission optical fibre heads, 17. Optic transmission fibers, 18. second coupling parts, 19. Optic transmission fibers
Head, 20. dust covers.
Specific embodiment
Presently in connection with accompanying drawing, the present invention is further illustrated.These accompanying drawings are simplified schematic diagram only with signal side
Formula illustrates basic structure of the invention, therefore it only shows the composition relevant with the present invention.
Laser welded seam image sensing device as Figure 1-3, including frame 1, the center of frame 1 are provided with liftable folder
The workbench 2 with detection workpiece is held, the upper surface of frame 1 is provided with portal frame 5, planker 6, planker 6 are slidably fitted with portal frame 5
On sensor is installed;Workbench 2 is driven by hydraulic cylinder 7;The line slideway 3 and lower leading screw 4 be arrangeding in parallel are installed in frame 1,
The two ends of portal frame 5 are slidably connected with line slideway 3 and lower leading screw 4 respectively by sliding block.
Upper leading screw 8 and the carriage rail 9 positioned at the both sides of upper leading screw 8 be installed on the crossbeam of portal frame 5, upper leading screw 8 and dragged
Planker 6 is installed on panel guide 9;Dust cover 20 is installed in frame 1.
Sensor includes sensor base and sensor probe, and sensor base includes sensor base housing 10, sensing
Device base housing 10 is built-in with the area array CCD 11 and laser 12 being distributed side by side;Sensor probe includes sensor probe housing
15, sensor probe housing 15 is built-in with the Optic transmission fiber being vertically arranged first 19 and the image transmission optical fibre first 16 being obliquely installed, and passes light
The coupling part 18 of Optic transmission fiber 17 and second is passed sequentially through on optical fiber head 19 and is connected to laser 12, led to successively on image transmission optical fibre first 16
Cross the coupling part 13 of image transmission optical fibre 14 and first and be connected to area array CCD 11.Sensor base is fixedly mounted on planker 6, sensor
Probe is arranged on planker 6 by cantilever.
Under the driving of lower leading screw 4, sensor can be moved forward and backward, and under the drive of upper leading screw 8, sensor can left and right shifting
It is dynamic;The laser of the output of laser 12 is transferred to after sensor probe forms striped by Optic transmission fiber 17 and projected on workpiece, then
First received by area array CCD 11 and the workpiece seam laser image for coming is transmitted by image transmission optical fibre 14, then picture signal is sent to calculating
Machine, weld seam detection is functional.
With above-mentioned according to desirable embodiment of the invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (4)
1. a kind of laser welded seam image sensing device, it is characterised in that:Including frame (1), frame (1) center is provided with liftable
Clamping band detect the workbench (2) of workpiece, frame (1) upper surface is provided with portal frame (5), and portal frame is slidably installed on (5)
There is planker (6), planker is provided with sensor on (6);The workbench (2) is driven by hydraulic cylinder (7);In described frame (1)
The line slideway (3) that be arranged in parallel of installation and lower leading screw (4), portal frame (5) two ends pass through sliding block respectively with line slideway (3) and
Lower leading screw (4) is slidably connected.
2. laser welded seam image sensing device according to claim 1, it is characterised in that:On portal frame (5) crossbeam
Upper leading screw (8) and the carriage rail (9) positioned at upper leading screw (8) both sides are installed, are pacified in upper leading screw (8) and carriage rail (9)
Equipped with planker (6).
3. laser welded seam image sensing device according to claim 1, it is characterised in that:Described sensor includes sensing
Device pedestal and sensor probe, sensor base include sensor base housing (10), and sensor base housing (10) is built-in with
The area array CCD (11) and laser (12) being distributed side by side;The sensor probe includes sensor probe housing (15), sensor
Probing shell (15) is built-in with the Optic transmission fiber head (19) being vertically arranged and the image transmission optical fibre head (16) being obliquely installed, Optic transmission fiber
Optic transmission fiber (17) is passed sequentially through on head (19) and the second coupling part (18) is connected to laser (12), on image transmission optical fibre head (16)
Pass sequentially through image transmission optical fibre (14) and the first coupling part (13) is connected to area array CCD (11).
4. laser welded seam image sensing device according to claim 1, it is characterised in that:Installed in described frame (1)
There is dust cover (20).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611193247.5A CN106735747A (en) | 2016-12-21 | 2016-12-21 | Laser welded seam image sensing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611193247.5A CN106735747A (en) | 2016-12-21 | 2016-12-21 | Laser welded seam image sensing device |
Publications (1)
Publication Number | Publication Date |
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CN106735747A true CN106735747A (en) | 2017-05-31 |
Family
ID=58893819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201611193247.5A Pending CN106735747A (en) | 2016-12-21 | 2016-12-21 | Laser welded seam image sensing device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107511564A (en) * | 2017-09-30 | 2017-12-26 | 江苏理工学院 | A kind of weld tracker |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2914031Y (en) * | 2006-06-07 | 2007-06-20 | 北京石油化工学院 | Fiber laser weld image sensor |
CN102091870A (en) * | 2009-12-14 | 2011-06-15 | 武汉楚天激光(集团)股份有限公司 | Fiber transmission automatic laser welding system dedicated for plate type solar thermal collector |
CN203304816U (en) * | 2013-06-09 | 2013-11-27 | 东南大学 | Adaptive welding device for tray of storage rack |
CN206366733U (en) * | 2016-12-21 | 2017-08-01 | 西北工业大学(张家港)智能装备技术产业化研究院有限公司 | Laser welded seam image sensing device |
-
2016
- 2016-12-21 CN CN201611193247.5A patent/CN106735747A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2914031Y (en) * | 2006-06-07 | 2007-06-20 | 北京石油化工学院 | Fiber laser weld image sensor |
CN102091870A (en) * | 2009-12-14 | 2011-06-15 | 武汉楚天激光(集团)股份有限公司 | Fiber transmission automatic laser welding system dedicated for plate type solar thermal collector |
CN203304816U (en) * | 2013-06-09 | 2013-11-27 | 东南大学 | Adaptive welding device for tray of storage rack |
CN206366733U (en) * | 2016-12-21 | 2017-08-01 | 西北工业大学(张家港)智能装备技术产业化研究院有限公司 | Laser welded seam image sensing device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107511564A (en) * | 2017-09-30 | 2017-12-26 | 江苏理工学院 | A kind of weld tracker |
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Application publication date: 20170531 |
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