CN202021424U - Laser wire filling welding machine with non-stable cavity and coaxial wire feed - Google Patents
Laser wire filling welding machine with non-stable cavity and coaxial wire feed Download PDFInfo
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- CN202021424U CN202021424U CN 201120096720 CN201120096720U CN202021424U CN 202021424 U CN202021424 U CN 202021424U CN 201120096720 CN201120096720 CN 201120096720 CN 201120096720 U CN201120096720 U CN 201120096720U CN 202021424 U CN202021424 U CN 202021424U
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Abstract
The utility model discloses a laser wire filling welding machine with a non-stable cavity and coaxial wire feed, which comprises a laser welding control system, wherein the laser welding control system is respectively connected with a wire feed control system and an annular laser generator of a non-stable cavity; and the annular laser generator of the non-stable cavity is connected with a focusing system through a reflection mirror of 45 degrees, the lower end of the focusing system is provided with a laser welding head, a wire feed nozzle component is arranged in the laser welding head, the lower end of the wire feed nozzle component is coaxially provided with a welding wire, the wire feed control system is connected with and controls a wire feed machine, and the wire feed machine outputs to the wire feed nozzle component. Obviously, the non-stable cavity coaxial wire feed laser welding technology has the excellent advantages of fixed light and wire coupling, reasonable heat source distribution and the like.
Description
Technical field
The utility model relates to a kind of bonding machine, more specifically says, it relates to the coaxial wire feed wire filling laser welding of a kind of unsteady cavity and meets sb. at the airport.
Background technology
The welding procedure that fills silk principle is: the laser beam vertical irradiation focuses at surface of the work, and welding wire is sent into (other wire feed) in the focal beam spot from side direction, is filled weld gap by laser beam heats fusing back.Under the continuation effect of laser beam, the parent metal fusing forms the fusing aperture.Metal around the aperture can almost all absorb the laser energy of incident.Aperture moves and solidifies the formation weld seam when workpiece moves.There is following outstanding problem in existing wire filling laser welding:
1) owing to light, silk disalignment, the minor fluctuations of the two position all can influence its accurate coupling, thereby influences the welding bead quality.
2) the only monolateral irradiation of Stimulated Light of welding wire, material is heated inhomogeneous, for guaranteeing molten carrying out, need import higher power during welding.Consumes energy not only, the high energy input also will cause molten bath continuous high temperature and slow cool down, make molten carry out to organize usually can not obtain the cold phase of desirable laser.
3) asymmetric being heated causes weld seam inevitably to be subjected to the scanning direction influence, is not suitable for two dimension or three-dimensional welding.
Summary of the invention
The purpose of this utility model is to overcome deficiency of the prior art, provides a kind of light, a silk coupling attitude to fix, and the thermal source coaxial wire feed wire filling laser welding of rational unsteady cavity that distributes is met sb. at the airport.
The coaxial wire feed wire filling laser welding of this unsteady cavity is met sb. at the airport, and comprises the laser weld control system, and described laser weld control system is connected with respectively: wire feed feed control system, unsteady cavity loop laser generator; Unsteady cavity loop laser generator is connected to focusing system by 45 ° of speculums, the focusing system lower end is provided with laser welding system, be provided with the wire feeding mouth assembly in the laser welding system, the coaxial welding wire that is provided with in wire feeding mouth assembly lower end, the wire feed feed control system connects the control wire-feed motor, and wire-feed motor outputs to the wire feeding mouth assembly.
As preferably: be provided with spheric reflection concave mirror, spheric reflection convex lens successively in the described unsteady cavity loop laser generator, wherein the spheric reflection convex lens is parallel with 45 ° of speculums by the fixing thin bar support fixation of eyeglass, be provided with focus lamp in the described focusing system, be located under 45 ° of speculums.
As preferably: described laser weld control system also is connected with motion workbench, and motion workbench is located at the welding wire below.
The beneficial effects of the utility model are: unsteady cavity laser is stronger to the wave mode limitation capability, and insensitive to the distortion of operation material refractive index, realizes single transverse mode output easily.Unsteady cavity is used for the high-gain gas laser system, can obtain to approach the output at diffraction limit angle; Be used for pulse macro-energy or high power solid state laser system, can obtain to export the high brightness laser output of the angle of divergence less than several milliradians at zero point.Single mode small divergence angle laser is highly beneficial to processing.Utilize the unsteady cavity harmonic technology to realize the hollow ring laser facula.Single wire feeding mouth can be arranged in the hollow no light zone, and the realization welding wire is sent to the coaxial forward of focussed laser beam.Feed angle is fixed as 90 °.Add the feeding direction in man-hour, send angle to and send the position to all constant, be easy to realize accurate coupling, obtain the smooth weld seam of high-quality.The silk material is besieged fully, and all directions are heated evenly, the fusing setting rate is accelerated, the molten bath convection heat transfer' heat-transfer by convection is even, is beneficial to and obtains the high-performance weld seam, and a silk material to pass through beam density crescendo zone just before reaching the high density hot spot, have molten before heat effect in advance, can effectively utilize laser energy to realize that fast thawing speed is cold, obtain the molten tissue of carrying out of laser.Obviously, the coaxial wire feed laser welding technology of unsteady cavity has light, silk coupling attitude is fixed, and thermal source distributes and rationally waits outstanding advantage.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the A portion enlarged diagram of Fig. 1;
Fig. 3 is coaxial wire feed schematic diagram;
Fig. 4 is a unsteady cavity loop laser generator schematic diagram;
Fig. 5 is a spheric reflection convex lens front view;
Fig. 6 is a spheric reflection convex lens vertical view;
Reference numeral: laser weld control system 1; Unsteady cavity loop laser generator 2; 45 ° of speculums 3; Focusing system 4; Wire feeding mouth assembly 5; Laser welding system 6; Welding wire 7; Workpiece 8; Motion workbench 9; Wire-feed motor 10; Wire feed feed control system 11; Laser beam 12; Wire feeding mouth 13; Spheric reflection concave mirror 14; Spheric reflection convex lens 15; Focus lamp 16; Eyeglass is fixed thin bar 17.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described further.Though the utility model will be described in conjunction with preferred embodiment, should know, do not represent that the utility model is limited among the described embodiment.On the contrary, the utility model will be contained alternative, modified and the equivalent in the scope of the present utility model that can be included in attached claims qualification.
To shown in Figure 6, the coaxial wire feed wire filling laser welding of the unsteady cavity of Jie Shaoing is met sb. at the airport and generally is used for two dimension or three-dimensional welding here, yet should know that the utility model also can be used for uses such as other welding referring to Fig. 1.The coaxial wire feed wire filling laser welding of this unsteady cavity is met sb. at the airport, and comprises laser weld control system 1, and described laser weld control system 1 is connected with respectively: wire feed feed control system 11, unsteady cavity loop laser generator 2; Unsteady cavity loop laser generator 2 is connected to focusing system 4 by 45 ° of speculums 3, focusing system 4 lower ends are provided with laser welding system 6, be provided with wire feeding mouth assembly 5 in the laser welding system 6, the coaxial welding wire 7 that is provided with in wire feeding mouth assembly 5 lower ends, wire feed feed control system 11 connects control wire-feed motor 10, and wire-feed motor 10 outputs to wire feeding mouth assembly 5.Unsteady cavity laser is not limited to a kind of compound mode, consists predominantly of concavo-convex empty confocal cavity (use of this example), plano-convex chamber, concavo-concave asymmetric confocal cavity, biconvex chamber.Wherein eyeglass comprises spherical mirror (using in this example) or cylinder concave and convex lenses, wherein 45 ° of speculums of spheric reflection convex lens 15 and the 14 concentric placements of spheric reflection concave mirror place the outer laser output of resonator, be provided with focus lamp 16 in the described focusing system 4, be located under 45 ° of speculums 3.Described laser weld control system 1 also is connected with motion workbench 9, and motion workbench 9 is located at welding wire 7 belows.
The laser beam 12 that is parallel to resonator as shown in Figure 4 in the laserresonator will be done the amplification of turning back to the lens edge direction, up to overflowing spheric reflection convex lens 15, wherein 45 ° of speculums of spheric reflection convex lens and the concentric placement of spheric reflection concave mirror place the outer laser output of resonator, form annular light laser output.Outgoing laser beam 12 is reflected onto focus lamp 16 behind 45 ° of speculums 3, be focused workpiece 8 surfaces at last.Single as shown in Figure 1 wire feeding mouth assembly 5 is arranged in the hollow no light zone, wire feeding mouth assembly 5 uses the silk mouth that thin bar is installed and is installed in the laser welding system 6, wherein the silk mouth is installed fixing thin bar 17 space parallels of thin bar installation position and wire-feeding pipe position and eyeglass and is avoided inserting loss, and realization welding wire 7 is sent to focussed laser beam 12 coaxial forwards.Feed angle is fixed as 90 °.Laser weld control system 1 is set the wire feed feed speed according to technological requirement and is given wire feed supply control system 11, wire feed supply control system 11 control wire-feed motor 10 wire feeds, motion workbench 9 translational speeds, pulse energy, pulse width, the assist gas flow makes laser beam 12 vertical irradiations focus in workpiece 8 surfaces, welding wire 7 coaxial sending in the focal beam spot are filled weld gap after laser beam 12 heat fused.Under the continuation effect of laser beam 12, the parent metal fusing forms the fusing aperture.Metal around the aperture can almost all absorb the laser energy of incident.Aperture moves and solidifies the formation weld seam during by laser weld control system 1 controlled motion workbench 9 travelling workpieces, realizes coaxial wire feed laser weld.
Claims (3)
1. the coaxial wire feed wire filling laser welding of unsteady cavity is met sb. at the airport, and it is characterized in that: comprise laser weld control system (1), described laser weld control system (1) is connected with respectively: wire feed feed control system (11), unsteady cavity loop laser generator (2); Unsteady cavity loop laser generator (2) is connected to focusing system (4) by 45 ° of speculums (3), focusing system (4) lower end is provided with laser welding system (6), be provided with wire feeding mouth assembly (5) in the laser welding system (6), the coaxial welding wire (7) that is provided with in wire feeding mouth assembly (5) lower end, wire feed feed control system (11) connects control wire-feed motor (10), and wire-feed motor (10) outputs to wire feeding mouth assembly (5).
2. the coaxial wire feed wire filling laser welding of unsteady cavity according to claim 1 is met sb. at the airport, it is characterized in that: be provided with spheric reflection concave mirror (14), spheric reflection convex lens (15) in the described unsteady cavity loop laser generator (2) successively, wherein spheric reflection convex lens (15) is parallel with 45 ° of speculums (3) by fixing thin bar (17) support fixation of eyeglass, be provided with focus lamp (16) in the described focusing system (4), be located under 45 ° of speculums (3).
3. the coaxial wire feed wire filling laser welding of unsteady cavity according to claim 1 is met sb. at the airport, and it is characterized in that: described laser weld control system (1) also is connected with motion workbench (9), and motion workbench (9) is located at welding wire (7) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120096720 CN202021424U (en) | 2011-03-29 | 2011-03-29 | Laser wire filling welding machine with non-stable cavity and coaxial wire feed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120096720 CN202021424U (en) | 2011-03-29 | 2011-03-29 | Laser wire filling welding machine with non-stable cavity and coaxial wire feed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202021424U true CN202021424U (en) | 2011-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120096720 Expired - Fee Related CN202021424U (en) | 2011-03-29 | 2011-03-29 | Laser wire filling welding machine with non-stable cavity and coaxial wire feed |
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| CN (1) | CN202021424U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259461A (en) * | 2014-07-31 | 2015-01-07 | 中国科学院重庆绿色智能技术研究院 | Laser three-dimensional production method based on coaxial wire feeding and coaxial wire feeding device |
| CN104785924A (en) * | 2014-01-21 | 2015-07-22 | 复盛应用科技股份有限公司 | Laser wire feeding and welding device and golf club head |
| CN104923915A (en) * | 2015-06-23 | 2015-09-23 | 孟如苗 | Welding machine |
| CN104954739A (en) * | 2015-05-15 | 2015-09-30 | 北京石油化工学院 | GMAW (Gas metal arc welding) globular transfer image shooting system used in underwater dry type high-pressure environment |
| CN107498140A (en) * | 2017-08-28 | 2017-12-22 | 大族激光科技产业集团股份有限公司 | Laser coaxial brazing device and method for laser welding |
| CN108544092A (en) * | 2018-04-25 | 2018-09-18 | 上海产业技术研究院 | A kind of coaxial wire feed deposition head for laser metal printing |
| CN109807415A (en) * | 2019-03-07 | 2019-05-28 | 哈尔滨工业大学（威海） | A kind of processing unit (plant) and processing method of hollow electron beam coaxial wire feed |
| DE102018205206A1 (en) * | 2018-04-06 | 2019-10-10 | Siemens Aktiengesellschaft | Apparatus and method for pulsed laser wire welding |
| CN111203638A (en) * | 2018-11-01 | 2020-05-29 | 漳浦比速光电科技有限公司 | Welding equipment applying laser technology and welding method thereof |
| CN113231741A (en) * | 2021-04-26 | 2021-08-10 | 南京航空航天大学 | Laser welding device and method based on annular facula coaxial wire feeding |
-
2011
- 2011-03-29 CN CN 201120096720 patent/CN202021424U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785924A (en) * | 2014-01-21 | 2015-07-22 | 复盛应用科技股份有限公司 | Laser wire feeding and welding device and golf club head |
| CN104785924B (en) * | 2014-01-21 | 2016-11-02 | 复盛应用科技股份有限公司 | Radium-shine wire feed welder |
| CN104259461A (en) * | 2014-07-31 | 2015-01-07 | 中国科学院重庆绿色智能技术研究院 | Laser three-dimensional production method based on coaxial wire feeding and coaxial wire feeding device |
| CN104259461B (en) * | 2014-07-31 | 2016-08-24 | 中国科学院重庆绿色智能技术研究院 | Laser three-D manufacture method based on coaxial wire feed and coaxial wire feed device |
| CN104954739A (en) * | 2015-05-15 | 2015-09-30 | 北京石油化工学院 | GMAW (Gas metal arc welding) globular transfer image shooting system used in underwater dry type high-pressure environment |
| CN104923915A (en) * | 2015-06-23 | 2015-09-23 | 孟如苗 | Welding machine |
| CN107498140A (en) * | 2017-08-28 | 2017-12-22 | 大族激光科技产业集团股份有限公司 | Laser coaxial brazing device and method for laser welding |
| CN107498140B (en) * | 2017-08-28 | 2019-12-17 | 大族激光科技产业集团股份有限公司 | Laser coaxial brazing device and laser welding method |
| DE102018205206A1 (en) * | 2018-04-06 | 2019-10-10 | Siemens Aktiengesellschaft | Apparatus and method for pulsed laser wire welding |
| CN108544092A (en) * | 2018-04-25 | 2018-09-18 | 上海产业技术研究院 | A kind of coaxial wire feed deposition head for laser metal printing |
| CN111203638A (en) * | 2018-11-01 | 2020-05-29 | 漳浦比速光电科技有限公司 | Welding equipment applying laser technology and welding method thereof |
| CN109807415A (en) * | 2019-03-07 | 2019-05-28 | 哈尔滨工业大学（威海） | A kind of processing unit (plant) and processing method of hollow electron beam coaxial wire feed |
| CN109807415B (en) * | 2019-03-07 | 2022-01-04 | 哈尔滨工业大学（威海） | Processing device and processing method for coaxial wire feeding of hollow electron beams |
| CN113231741A (en) * | 2021-04-26 | 2021-08-10 | 南京航空航天大学 | Laser welding device and method based on annular facula coaxial wire feeding |
| CN113231741B (en) * | 2021-04-26 | 2022-04-19 | 南京航空航天大学 | Laser welding device and method based on annular facula coaxial wire feeding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20140329 |