CN203541852U - Vision sensor and laser-MIG (metal inert gas) composite welding combination device - Google Patents
Vision sensor and laser-MIG (metal inert gas) composite welding combination device Download PDFInfo
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- CN203541852U CN203541852U CN201320644620.XU CN201320644620U CN203541852U CN 203541852 U CN203541852 U CN 203541852U CN 201320644620 U CN201320644620 U CN 201320644620U CN 203541852 U CN203541852 U CN 203541852U
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- 238000003466 welding Methods 0.000 title claims abstract description 94
- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 239000011261 inert gas Substances 0.000 title abstract 2
- 239000002184 metal Substances 0.000 title abstract 2
- 239000013307 optical fiber Substances 0.000 claims abstract description 16
- 238000012806 monitoring device Methods 0.000 claims description 15
- 239000011521 glass Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000007547 defect Effects 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000019771 cognition Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model relates to a vision sensor and laser-MIG (metal inert gas) composite welding combination device. The vision sensor and laser-MIG composite welding combination device is characterized by comprising a conductive optical fiber, an optical path cavity, an MIG welding machine and an MIG welding gun, wherein the optical path cavity is connected with the conductive optical fiber; the conductive optical fiber is connected with a laser welding head; the MIG welding machine is connected with the MIG welding gun through a connecting wire; a laser head and welding gun connecting piece is arranged between the MIG welding gun and the laser welding head. According to the vision sensor and laser-MIG composite welding combination device, the defects of sinking of a welding seam after welding, light leakage and the like caused by over-large gap width of a workpiece during single-laser butt welding are overcome, and the quality of the welding seam is improved. The vision sensor and laser-MIG composite welding combination device is applied to butt welding of all workpieces with low assembly accuracy, and is wide in application range.
Description
Technical field
The utility model relates to a kind of combined unit, and specifically the combined unit of a kind of vision sensor and Laser-MIG Composite Welding, belongs to laser weld field.
Background technology
Single laser welding technology has that action time is short, efficiency is high, speed is fast, be out of shape the features such as little, weldquality is high and welding precision is high, easily be automated, and in fields such as automobile, train, boats and ships, Aero-Space, machine-building, is widely used.But single laser weld requires weldment assembly precision high, and requires the position of light beam on workpiece can not have remarkable skew.If workpiece assembly precision or beam position precision do not reach requirement, be easy to cause welding depression.
Laser-MIG hybrid welding is the clear superiority of larger weld seam, can effectively improve welding adaptability, the adaptability of raising to larger gap, improve appearance of weld, but with respect to the single laser weld under the same terms, the heat input when welding slight gap of laser-MIG composite welding is larger, also just mean that post welding distortion and welding residual stress are large, increased the orthopedic processing time of postwelding.
The workpiece of the optical fiber laser of take welding gap width inequality is example, if only use single laser weld, at compare Kuan position, gap, easily occurs even light leak of welding depression; And if solely use laser-MIG composite welding, at compare Zhai position, gap, exist heat affected area wide, the defect such as post welding distortion is large, and residual stress is large, affects welding quality.Therefore, a kind of new device of exigence solves the problems of the technologies described above.
Summary of the invention
The utility model, just for the technical problem existing in prior art, provides the combined unit of a kind of vision sensor and Laser-MIG Composite Welding, and this device overall structure is simple, easy to operate, and pass through structural design cleverly, guaranteed weldquality, improved operating efficiency.
To achieve these goals, the technical solution adopted in the utility model is, the combined unit of a kind of vision sensor and Laser-MIG Composite Welding, it is characterized in that, described combined unit comprises conduction optical fiber, the light path cavity being connected with conduction optical fiber, described conduction optical fiber is connected with laser welding system, described combined unit also comprises MIG welding machine, MIG welding gun, between described MIG welding machine and MIG welding gun, by connecting wire, be connected, between described MIG welding gun and laser welding system, be provided with laser head and welding gun connector.
As a kind of improvement of the present utility model, described light path cavity comprises collimating mirror, focus lamp, protective glass, and described collimating mirror, focus lamp, protective glass set gradually from top to bottom in light path inside cavity.
As a kind of improvement of the present utility model, described combined unit also comprises vision sensor monitoring device, and described vision sensor monitoring device is fixed on MIG welding gun.
With respect to prior art, advantage of the present utility model is as follows, and 1) overall structure is simple, easy to operate, cost is lower; 2) the equipment relation of the utility model device and parts is simple, on original laser-MIG composite welding basis, near the welding rifle of MIG weldering, a vision sensor monitoring device is installed, and make it to be connected with the power-supply device of MIG weldering, thereby reach in single laser beam welding, when vision sensor monitoring device monitors workpiece gap and is greater than sensor preset value, vision sensor monitoring device can send a high trigger signal, control MIG welding system and start, make MIG weldering and single Laser Welding carry out the effect of composite welding.If when the width in test specimen assembling gap is less than the preset value of sensor, vision sensor monitoring device can send a low level triggering signal, control MIG weldering system closing, from and recover single laser weld.
3) when the utility model has solved single laser butt welding, the defect such as the excessive caused postwelding welding depression of workpiece gap width, light leak, has improved weldquality, is applicable to the not high butt welding of all workpiece assembly precisions, has wide range of applications.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram;
Wherein: 1 is MIG welding machine, 2 is conduction optical fiber, and 3 is collimating mirror; 4 is laser welding system, and 5 is MIG welding gun, and 6 is focus lamp; 7 for connecting wire, and 8 is laser head and welding gun connector, and 9 is vision sensor monitoring device; 10 is protective glass; 11 is vision sensor light beam, and 12 is workpiece, and 13 is welding direction; 14 is laser beam, and 15 is workpiece assembling weld seam.
The specific embodiment
In order to deepen, to understanding and cognition of the present utility model, below in conjunction with accompanying drawing, the utility model to be further described and to be introduced.
embodiment 1:as shown in Figure 1, the combined unit of a kind of vision sensor and Laser-MIG Composite Welding, described combined unit comprises conduction optical fiber 2, the light path cavity being connected with conduction optical fiber, described conduction optical fiber is connected with laser welding system 4, described combined unit also comprises MIG welding machine 1, MIG welding gun 5, between described MIG welding machine 1 and MIG welding gun 5, by connecting wire 7, is connected, and is provided with laser head and welding gun connector 8 between described MIG welding gun 5 and laser welding system 4.
embodiment 2:as shown in Figure 1, as a kind of improvement of the present utility model, described light path cavity comprises collimating mirror 3, focus lamp 6, protective glass 10, and described collimating mirror 3, focus lamp 6, protective glass 10 set gradually from top to bottom in light path inside cavity.All the other structures are identical with embodiment 1 with advantage.
embodiment 3:as shown in Figure 1, as a kind of improvement of the present utility model, described combined unit also comprises vision sensor monitoring device 9, and described vision sensor monitoring device 9 is fixed on MIG welding gun 5.All the other structures are identical with embodiment 1 with advantage.
Operation principle of the present utility model is:
Shown in Fig. 1, MIG welding machine 1 links together by being connected electric wire 7 with MIG welding gun 5.Laser beam 14 is by conduction optical fiber 2 Output of lasers, and laser beam 14 is successively by collimating mirror 3, focus lamp 6, the last workpiece 12 that arrives of protective glass 10.Conduction optical fiber 2 is connected to laser welding system 4.MIG welding gun 5 and laser welding system 4 link together by connector 8.Vision sensor monitoring device 9 is installed together with MIG welding gun 5, by connecting wire 7, connects together with MIG welding machine 1.
In the process of practical application, shown in welding direction 13, MIG welding gun 5 and laser welding system 4 link together by connector 8.In single laser beam welding, when the vision sensor monitoring device 9 on MIG welding gun 5 is monitored workpiece assembling gap 15 and is greater than sensor preset value by vision sensor light beam 11, vision sensor monitoring device 9 sends a high trigger signal and controls 1 startup of MIG welding machine by connecting wire 7, make MIG and laser compound welding, thereby improve weldquality.If when the width in test specimen assembling gap 15 is less than the preset value of sensor, vision sensor monitoring device 9 can send a low level triggering signal, control MIG weldering system closing, from and recover single laser weld.
The utility model can also, by least one and embodiment in technical characterictic described in embodiment 2,31 combination, form new embodiment.
It should be noted that above-described embodiment, be not used for limiting protection domain of the present utility model, the equivalents of having done on the basis of technique scheme or substitute and all to fall into the scope that the utility model claim is protected.
Claims (3)
1. the combined unit of a vision sensor and Laser-MIG Composite Welding, it is characterized in that, described combined unit comprises conduction optical fiber, the light path cavity being connected with conduction optical fiber, described conduction optical fiber is connected with laser welding system, described combined unit also comprises MIG welding machine, MIG welding gun, between described MIG welding machine and MIG welding gun, by connecting wire, is connected, and is provided with laser head and welding gun connector between described MIG welding gun and laser welding system.
2. the combined unit of vision sensor as claimed in claim 1 and Laser-MIG Composite Welding; it is characterized in that; described light path cavity comprises collimating mirror, focus lamp, protective glass, and described collimating mirror, focus lamp, protective glass set gradually from top to bottom in light path inside cavity.
3. the combined unit of vision sensor as claimed in claim 1 or 2 and Laser-MIG Composite Welding, is characterized in that, described combined unit also comprises vision sensor monitoring device, and described vision sensor monitoring device is fixed on MIG welding gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320644620.XU CN203541852U (en) | 2013-10-19 | 2013-10-19 | Vision sensor and laser-MIG (metal inert gas) composite welding combination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320644620.XU CN203541852U (en) | 2013-10-19 | 2013-10-19 | Vision sensor and laser-MIG (metal inert gas) composite welding combination device |
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| Publication Number | Publication Date |
|---|---|
| CN203541852U true CN203541852U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320644620.XU Expired - Lifetime CN203541852U (en) | 2013-10-19 | 2013-10-19 | Vision sensor and laser-MIG (metal inert gas) composite welding combination device |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414710A (en) * | 2015-12-29 | 2016-03-23 | 哈尔滨阿尔特机器人技术有限公司 | Active and passive visual welding pool composited sensing device and sensing method realized through same |
| CN106583928A (en) * | 2016-12-29 | 2017-04-26 | 西安交通大学 | Non-preheating optical fiber laser-arc composite welding method for copper busbars |
| CN106862771A (en) * | 2017-03-17 | 2017-06-20 | 石家庄铁道大学 | A kind of laser assisted melt pole electrical arc for high temperature alloy increases material connection method |
| CN109789512A (en) * | 2016-09-27 | 2019-05-21 | 通快机床两合公司 | For by the method and laser machine of the first and second workpiece section laser weldings |
-
2013
- 2013-10-19 CN CN201320644620.XU patent/CN203541852U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414710A (en) * | 2015-12-29 | 2016-03-23 | 哈尔滨阿尔特机器人技术有限公司 | Active and passive visual welding pool composited sensing device and sensing method realized through same |
| CN109789512A (en) * | 2016-09-27 | 2019-05-21 | 通快机床两合公司 | For by the method and laser machine of the first and second workpiece section laser weldings |
| CN106583928A (en) * | 2016-12-29 | 2017-04-26 | 西安交通大学 | Non-preheating optical fiber laser-arc composite welding method for copper busbars |
| CN106862771A (en) * | 2017-03-17 | 2017-06-20 | 石家庄铁道大学 | A kind of laser assisted melt pole electrical arc for high temperature alloy increases material connection method |
| CN106862771B (en) * | 2017-03-17 | 2019-03-05 | 石家庄铁道大学 | A kind of laser assisted melt pole electrical arc increasing material connection method for high temperature alloy |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |