CN2688440Y - Laser angle welding joint gas protector - Google Patents
Laser angle welding joint gas protector Download PDFInfo
- Publication number
- CN2688440Y CN2688440Y CN 200320127751 CN200320127751U CN2688440Y CN 2688440 Y CN2688440 Y CN 2688440Y CN 200320127751 CN200320127751 CN 200320127751 CN 200320127751 U CN200320127751 U CN 200320127751U CN 2688440 Y CN2688440 Y CN 2688440Y
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- CN
- China
- Prior art keywords
- gas
- welding
- cover
- pulling cover
- welding joint
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- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a laser angle welding joint gas protector conducting welding for the high strength aluminum alloy, the aluminium-lithium alloy, and the titanium alloy. One end of the joint element frame 2 is connected with a nozzle 1 and the other end of the joint element frame 2 is connected with a pulling cover 5 providing with pyramidal face cross-section through screws 3. The included angle of the pulling cover 5's both sides is between 45 DEG and 180 DEG, and the lower board of the pulling cover is a pulling cover gas sifter 4. The axial protection gas is provided by the welding joint. The flare angle of the welding joint nozzle 1 is not greater than the pitch angle of the pulling cover, accordingly, the welding joint nozzle and the pulling cover can not mutually contact with the two workpieces to be welded. The welding joint nozzle and the pulling cover complete the gas protection of the welding bead together. The YAG laser angle welding joint gas protector of the utility model is provided with the Nd<3+> having the functions that the circular direction gas protects the welding pool, the rear pulling gas protects the front side's backside of the welding bead, and the side-blowing gas expels the laser-induced plasma integration.
Description
Technical field: the utility model relates to a kind of laser welded corner joint gas shield device that high-strength aluminum alloy, aluminium lithium alloy and titanium alloy are welded.
Background technology: in high strength alumin ium alloy, aluminium lithium alloy and the Titanium Laser Welding process; on the one hand because the chemism of alloy is very high; very easily be subjected to the pollution of surrounding environment; therefore must carry out strict protection to the welding high-temperature region; the existence of laser photo plasma not only has severe bad influence to the transmission of laser energy on the other hand; reduce laser effective energy utilization; the stability of influence welding keyhole; and to each protection gas circuit generation serious disturbance; cause the protection deleterious, therefore must control effectively it.
Existing laser weld gas shield device majority is at the butt-weld in the downhand position seam, and its protective device is a flat structure, and the cross section that drags cover is a rectangle, and its structure as shown in Figure 1.The gas shield device of this kind structure is difficult to the bottom of angle of arrival weld seam for the welding angle welding, and the gas shield effect is bad; Simultaneously, the defocusing amount of laser weld is adjusted inconvenient.
Summary of the invention: the purpose of this utility model is to provide a kind of gas shield effective, the laser fillet welding gas shield device that defocusing amount is easy to adjust.Technical solution of the present utility model is, 2, one on connector carriage is connected with nozzle 1, and the other end is that the cover 5 that drags of the conical surface is connected with screw 3 and cross section, and dragging the dual-side angle of cover 5 is 45 °～180 °, and the lower plate of dragging cover 5 is to drag to cover air sifter 4.Axially protection gas is provided by plumb joint, and the subtended angle of plumb joint nozzle 1 is not more than the angle that drags two sides of cover, thereby guarantees that the two does not collide with two workpiece that will weld.Plumb joint nozzle and drag cover to finish the gas shield of butt welded seam together.The utlity model has hoop gas shiled molten bath, after drag positive rear portion of gas shiled weld seam and side-blown gas drive to remove the Nd of laser photo plasma integrated functionality
3+: YAG laser fillet welding gas shield device.Adopt the utility model to cooperate weld jig and laser welding system not only can realize effective comprehensive protection is carried out in the welding high-temperature region; and integrated side-blown gas circuit can also reduce the adverse effect of laser-induced plasma to the laser energy transmission; improve the effective rate of utilization of laser energy and the stability of welding process; solved the gas shield problem of angle weldings such as T connector effectively, for technical foundation is laid in the welding of structural members such as large-scale wallboard.
Description of drawings:
Fig. 1 drags the cover structure schematic diagram for flat butt-weld in the downhand position seam gas shield;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is a structural representation of the present utility model;
Fig. 4 is the A-A view of Fig. 2.
The specific embodiment:
2, one on connector carriage is connected with nozzle 1, and the other end is connected with dragging cover 5 with screw 3.In order to realize the accessibility of angle welding, make things convenient for the adjustment of plumb joint defocusing amount simultaneously, drag the dual-side of cover 5 to become certain included angle, cross section is the conical surface, drag the dual-side of cover 5 parallel with two welded pieces 6,7 respectively, drag the angle of cover 5 dual-sides to change along with the variation of two weldment angles, when welded part 6,7 was T connector, dragging the dual-side angle of cover 5 was 90 °; Reduce to drag the width of cover bottom, realize the accessibility of weld seam bottom; Axially protection gas is provided by plumb joint, and the subtended angle of plumb joint nozzle 1 is not more than the inclination angle of dragging cover 5, thereby guarantees that the two does not collide with two workpiece 6,7 that will weld, and the lower plate of dragging cover 5 is one and drags cover sieve 4, forms the gas shield molten bath; Plumb joint nozzle 1 and drag cover 5 to finish the gas shield of butt welded seam together.
Claims (2)
1. a laser fillet-welded joint gas shield device is characterized in that, connector carriage (2), and an end is connected with nozzle (1), and the other end is that the cover that drags of the conical surface 5 is connected with screw (3) and cross section, and the lower plate of dragging cover (5) is to drag to cover air sifter (4).
2. laser fillet-welded joint gas shield device according to claim 1 is characterized in that, the angle that drags cover (5) dual-side is 45 °～180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320127751 CN2688440Y (en) | 2003-12-16 | 2003-12-16 | Laser angle welding joint gas protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320127751 CN2688440Y (en) | 2003-12-16 | 2003-12-16 | Laser angle welding joint gas protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2688440Y true CN2688440Y (en) | 2005-03-30 |
Family
ID=34662216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320127751 Expired - Lifetime CN2688440Y (en) | 2003-12-16 | 2003-12-16 | Laser angle welding joint gas protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2688440Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITRM20110189A1 (en) * | 2011-04-13 | 2012-10-14 | Gia E Lo Sviluppo Economico Sostenibile Enea | LASER WELDING DEVICE |
| CN103240521A (en) * | 2013-05-24 | 2013-08-14 | 西安石油大学 | Device for providing protective gas for to-be-welded surface of high-frequency resistance weld pipe |
| CN103658983A (en) * | 2013-12-09 | 2014-03-26 | 北京航星机器制造有限公司 | Laser welding titanium alloy front face non-dragging-cover gas protecting device |
| CN103722279A (en) * | 2013-12-09 | 2014-04-16 | 北京航星机器制造有限公司 | Gas protection device for small-and-medium-thickness titanium alloy fusion welding under air environment |
| CN106670631A (en) * | 2017-01-23 | 2017-05-17 | 西南交通大学 | Tail dragging gas protecting cover for welding |
| CN107052544A (en) * | 2017-01-23 | 2017-08-18 | 西南交通大学 | Welding drags gas shield cover with tail |
| CN108890088A (en) * | 2018-07-20 | 2018-11-27 | 江麓机电集团有限公司 | A kind of titanium alloy component vertical angle seam welding device |
| CN109226958A (en) * | 2018-03-22 | 2019-01-18 | 中国航空制造技术研究院 | One kind is with weldering gas shield device |
-
2003
- 2003-12-16 CN CN 200320127751 patent/CN2688440Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITRM20110189A1 (en) * | 2011-04-13 | 2012-10-14 | Gia E Lo Sviluppo Economico Sostenibile Enea | LASER WELDING DEVICE |
| CN103240521A (en) * | 2013-05-24 | 2013-08-14 | 西安石油大学 | Device for providing protective gas for to-be-welded surface of high-frequency resistance weld pipe |
| CN103658983A (en) * | 2013-12-09 | 2014-03-26 | 北京航星机器制造有限公司 | Laser welding titanium alloy front face non-dragging-cover gas protecting device |
| CN103722279A (en) * | 2013-12-09 | 2014-04-16 | 北京航星机器制造有限公司 | Gas protection device for small-and-medium-thickness titanium alloy fusion welding under air environment |
| CN106670631A (en) * | 2017-01-23 | 2017-05-17 | 西南交通大学 | Tail dragging gas protecting cover for welding |
| CN107052544A (en) * | 2017-01-23 | 2017-08-18 | 西南交通大学 | Welding drags gas shield cover with tail |
| CN109226958A (en) * | 2018-03-22 | 2019-01-18 | 中国航空制造技术研究院 | One kind is with weldering gas shield device |
| CN108890088A (en) * | 2018-07-20 | 2018-11-27 | 江麓机电集团有限公司 | A kind of titanium alloy component vertical angle seam welding device |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20131216 Granted publication date: 20050330 |