CN106735747A - Laser welded seam image sensing device - Google Patents

Laser welded seam image sensing device Download PDF

Info

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
Application number
CN201611193247.5A
Other languages
Chinese (zh)
Inventor
张峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northwestern Polytechnical University (zhangjiagang) Intelligent Equipment Technology Industry Research Institute Co Ltd
Original Assignee
Northwestern Polytechnical University (zhangjiagang) Intelligent Equipment Technology Industry Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Northwestern Polytechnical University (zhangjiagang) Intelligent Equipment Technology Industry Research Institute Co Ltd filed Critical Northwestern Polytechnical University (zhangjiagang) Intelligent Equipment Technology Industry Research Institute Co Ltd
Priority to CN201611193247.5A priority Critical patent/CN106735747A/en
Publication of CN106735747A publication Critical patent/CN106735747A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/12Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
    • B23K9/127Means for tracking lines during arc welding or cutting
    • B23K9/1272Geometry oriented, e.g. beam optical trading
    • B23K9/1274Using 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

Laser welded seam image sensing device
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).
CN201611193247.5A 2016-12-21 2016-12-21 Laser welded seam image sensing device Pending CN106735747A (en)

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
CN106735747A true CN106735747A (en) 2017-05-31

Family

ID=58893819

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611193247.5A Pending CN106735747A (en) 2016-12-21 2016-12-21 Laser welded seam image sensing device

Country Status (1)

Country Link
CN (1) CN106735747A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN107363405B (en) High-strength steel construction piece sheet laser tailor-welding system
CN100462177C (en) Automatic tracker of longitudinal seam welding for major diameter welding pipe
CN104002051B (en) A kind of vertical detection device for laser weld and detection method
CN104128708B (en) For the duplexing bit-type automatic coupling welding equipment of coaxial type opto-electronic device
CN104117770A (en) Integral rotating type automatic coupling welding device for coaxial photoelectronic device
CN102095732B (en) Rotary part surface quality detection system
CN104096969A (en) Compactly-structured automatic coupling and welding equipment for coaxial optoelectronic device
CN102091870A (en) Fiber transmission automatic laser welding system dedicated for plate type solar thermal collector
CN203380508U (en) Laser processing system with machine vision
CN201006564Y (en) Large diameter welding pipe longitudinal welding autotracking machine
CN203156204U (en) Supermicro gap butt welding seam magneto-optical imaging automatic detecting and tracking device
CN202461768U (en) Automatic welding system for butt joint of splice plates
CN112815866A (en) Internal thread detector based on laser profile scanning and detection method thereof
CN105537778A (en) Multifunctional laser cutting and welding integrated machine
CN202411631U (en) Real-time tracking device for longitudinal seam welding of welded pipe
CN206366733U (en) Laser welded seam image sensing device
CN106735747A (en) Laser welded seam image sensing device
CN108311788A (en) A kind of multistation auto parts and components laser welding apparatus
CN205342233U (en) Multi -functional laser surely welds all -in -one
CN211236338U (en) Coupling device of PWDM wavelength division multiplexer
CN111730160A (en) Flexible intelligent plate welding equipment
CN208051158U (en) A kind of multistation auto parts and components laser welding apparatus
CN203804367U (en) Constant temperature soldering machine for scanning scanner head
CN215824568U (en) Vision adjustment mechanism and laser pipe cutting machine
CN215034692U (en) Automatic welding frame for continuous welding of seams

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170531

RJ01 Rejection of invention patent application after publication