CN104741788A - Laser welding device suitable for gas sealing - Google Patents
Laser welding device suitable for gas sealing Download PDFInfo
- Publication number
- CN104741788A CN104741788A CN201510136012.1A CN201510136012A CN104741788A CN 104741788 A CN104741788 A CN 104741788A CN 201510136012 A CN201510136012 A CN 201510136012A CN 104741788 A CN104741788 A CN 104741788A
- Authority
- CN
- China
- Prior art keywords
- laser
- blow pipe
- gas blow
- gas
- blowing pipe
- 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
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
Abstract
The invention relates to the technical field of auxiliary devices for laser welding, in particular to a laser welding device suitable for gas sealing. The laser welding device suitable for gas sealing specifically comprises a gas blowing system part and a laser welding part. A gas blowing pipe follower plate is circular, the periphery of a laser focusing lens is sleeved with the gas blowing pipe follower plate, and the gas blowing pipe follower plate can horizontally rotate around the axis of the self circle center. A gas blowing pipe follower frame is arranged under the gas blowing pipe follower plate, a middle section of a gas blowing pipe is clamped in the gas blowing pipe follower frame, and a gas outlet of the gas blowing pipe faces the position of a laser welding nozzle and can horizontally rotate around the axis of the self circle center. A following motor is connected with the gas blowing pipe follower plate and drives the gas blowing pipe to rotate. The laser focusing lens focuses parallel laser transmitted by laser transmitting fibers to the position of the laser welding nozzle. The rotating axis of the circle center of the gas blowing pipe follower plate is located on the center of a laser beam. The laser welding device suitable for gas sealing has the advantages that when the following motor works, the gas blowing pipe can timely trace a laser welding point and conduct gas shield at a welding position.
Description
Technical field
The present invention relates to auxiliary device for laser welding technical field, be specifically related to a kind of laser soldering device being applicable to air seal.
Background technology
Many parts of high pressure vacuum D.C. contactor all adopt stainless steel to be material, and the precise cutting of such parts of stainless steel and welding need adopt Laser Welding to fetch to carry out.In stainless laser beam welding, weld seam molten bath can cause the inner severe oxidation of stainless steel, affects weld appearance and welding performance.To this phenomenon, the mode that industry is taked mainly carries out oxygen isolation by spraying inert gas to welding, but in practical operation, still be not specially adapted for the laser soldering device of air seal at present, if by additional device or manually come to apply inert gas to weld then efficiency is lower, gas ejection ports is difficult to, with plumb joint accurately movement, be not suitable for multi-work piece and weld on a large scale.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of laser soldering device being applicable to air seal, it can spray inert gas to weld, avoids weld seam molten bath severe oxidation can occur, and promotes welding quality.Particularly this gas-tight sealing can be followed laser welding system and moved, and makes gas shield become automation, without the need to manual control, further increases the efficiency of gas shield during laser weld.
For solving the problems of the technologies described above, technical scheme provided by the invention is: a kind of laser soldering device being applicable to air seal, it specifically comprises scavenger system parts, laser weld parts, scavenger system parts comprise gas blow pipe movable head, gas blow pipe arbitrary-movement articulator, gas blow pipe, servo motor and servo motor fixed mount, and laser weld parts comprise laser and transmit fiber and Laser Focusing camera lens.
Gas blow pipe movable head is circular, is sleeved on Laser Focusing camera lens periphery, and can horizontally rotate around self circle core shaft.
Gas blow pipe arbitrary-movement articulator is arranged on below gas blow pipe movable head, follows gas blow pipe movable head and does around its circle core shaft and horizontally rotate.
The stage casing of gas blow pipe is fastened in gas blow pipe arbitrary-movement articulator, and the gas outlet of gas blow pipe towards LASER BEAM WELDING point, and is followed gas blow pipe movable head and done around its circle core shaft and horizontally rotate.
Servo motor and servo motor fixed mount are rigidly connected, by the rotation of belt drives gas blow pipe movable head.
Servo motor fixed mount is fixed on laser weld parts, is rigidly connected with it.
Laser transmits fiber one end and is connected with light source, and one end is connected with Laser Focusing camera lens.
Laser Focusing camera lens is from laser being transmitted the parallel light focusing of fiber transmission to LASER BEAM WELDING point.
With gas blow pipe movable head horizontally rotate around circle core shaft overlap with laser beam.
In the scheme of further optimization, the laser soldering device being originally applicable to air seal comprises welding positioning element, and welding positioning element comprises welding smelting tool, and welding smelting tool is arranged on immediately below laser beam.
In the scheme of further optimization, the gas sprayed in gas blow pipe is nitrogen.
After have employed technique scheme, the invention has the beneficial effects as follows:
Relative to existing technical scheme; originally the laser soldering device being applicable to air seal makes gas blow pipe can move along with plumb joint by structures such as gas blow pipe movable head, gas blow pipe arbitrary-movement articulator and servo motors; after applying inert gas shielding; weld seam is molten widely to be obtained increasing, the degree of pool depth and the oxidation of weld seam molten bath is reduced accordingly, thus improves the quality of laser weld high pressure vacuum D.C. contactor.
Accompanying drawing explanation
Fig. 1 is applicable to the laser soldering device top view of air seal
Fig. 2 is applicable to the laser soldering device rearview of air seal
Detailed description of the invention
Describe the present invention below in conjunction with accompanying drawing 1 and specific embodiment, but not as a limitation of the invention.
A kind of laser soldering device being applicable to air seal, it comprises scavenger system parts 1, laser weld parts 2, scavenger system parts 1 comprise gas blow pipe movable head 11, gas blow pipe arbitrary-movement articulator 12, gas blow pipe 13, servo motor 14 and servo motor fixed mount 15, and laser weld parts 2 comprise laser and transmit fiber 21 and Laser Focusing camera lens 22.
Gas blow pipe movable head 11, in circular, be sleeved on Laser Focusing camera lens 22 periphery, and can horizontally rotate around self circle core shaft.
Gas blow pipe arbitrary-movement articulator 12 is arranged on below gas blow pipe movable head 11, follows gas blow pipe movable head 11 and does around its circle core shaft and horizontally rotate.
The stage casing of gas blow pipe 13 is fastened in gas blow pipe arbitrary-movement articulator 12, and the gas outlet of gas blow pipe 13 towards laser beam 23 pad, and is followed gas blow pipe movable head 11 and done around its circle core shaft and horizontally rotate.
Servo motor 14 and servo motor fixed mount 15 are rigidly connected, by the rotation of belt drives gas blow pipe movable head 11.
Servo motor fixed mount 15 is fixed on laser weld parts 2, is rigidly connected with it.
Laser transmits fiber 21 one end and is connected with light source, and one end is connected with Laser Focusing camera lens 22.
Laser Focusing camera lens 22 is from laser being transmitted parallel light focusing that fiber 21 transmits to LASER BEAM WELDING point.
With gas blow pipe movable head 11 horizontally rotate around circle core shaft overlap with laser beam.
On the basis of above-mentioned embodiment, the laser soldering device being originally applicable to air seal comprises welding positioning element 3, and welding positioning element 3 comprises welding smelting tool 31, and welding smelting tool 31 is arranged on immediately below laser beam.
On the basis of above-mentioned embodiment, in gas blow pipe 13, the gas of ejection is nitrogen.
The focusing path of Laser Focusing camera lens 22 is different according to workpiece shapes; servo-actuated gas blow pipe 13 can at any time with carve follow laser beam motion and carry out gas shield; thus avoid the oxidation of weld stainless steel work-piece; its specific implementation principle is: the drive unit of gas blow pipe 13 is servo motor 14, and it is servo-actuated that it drives gas blow pipe movable head 11 to carry out by driving belt.Because gas blow pipe arbitrary-movement articulator 12 and gas blow pipe 13 are be rigidly connected with gas blow pipe movable head 11; gas blow pipe 13 is specifically fixed on gas blow pipe arbitrary-movement articulator 12; and the slewing circle axle of gas blow pipe movable head 11 be in laser beam in the heart; so; when servo motor 14 works; gas blow pipe 13 can follow the trail of laser solder joint in time, and implements the gas shield of welding position.
As known by the technical knowledge, the technical program can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Within the scope of the present invention all or be all included in the invention being equal to the change in scope of the present invention.
Claims (3)
1. one kind is applicable to the laser soldering device of air seal, it is characterized in that: comprise scavenger system parts (1), laser weld parts (2), described scavenger system parts (1) comprise gas blow pipe movable head (11), gas blow pipe arbitrary-movement articulator (12), gas blow pipe (13), servo motor (14) and servo motor fixed mount (15), and described laser weld parts (2) comprise laser and transmit fiber (21) and Laser Focusing camera lens (22);
Described gas blow pipe movable head (11), in circular, is sleeved on Laser Focusing camera lens (22) periphery, and can horizontally rotate around self circle core shaft;
Described gas blow pipe arbitrary-movement articulator (12) is arranged on gas blow pipe movable head (11) below, follows gas blow pipe movable head (11) and does around its circle core shaft and horizontally rotate;
The stage casing of described gas blow pipe (13) is fastened in gas blow pipe arbitrary-movement articulator (12), the gas outlet of gas blow pipe (13) towards laser beam (23) pad, and is followed gas blow pipe movable head (11) and is done around its circle core shaft and horizontally rotate;
Described servo motor (14) and servo motor fixed mount (15) are rigidly connected, by the rotation of belt drives gas blow pipe movable head (11);
Described servo motor fixed mount (15) is fixed on laser weld parts (2), is rigidly connected with it;
Described laser transmits fiber (21) one end and is connected with light source, and one end is connected with Laser Focusing camera lens (22);
Laser Focusing camera lens (22) is from laser being transmitted parallel light focusing that fiber (21) transmits to LASER BEAM WELDING point;
Described with gas blow pipe movable head (11) horizontally rotate around circle core shaft overlap with laser beam.
2. the laser soldering device being applicable to air seal according to claim 1, it is characterized in that: comprise welding positioning element (3), described welding positioning element (3) comprises welding smelting tool (31), and described welding smelting tool (31) is arranged on immediately below laser beam.
3. the laser soldering device being applicable to air seal according to claim 2, is characterized in that: in described gas blow pipe (13), the gas of ejection is nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510136012.1A CN104741788A (en) | 2015-03-17 | 2015-03-17 | Laser welding device suitable for gas sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510136012.1A CN104741788A (en) | 2015-03-17 | 2015-03-17 | Laser welding device suitable for gas sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104741788A true CN104741788A (en) | 2015-07-01 |
Family
ID=53582352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510136012.1A Pending CN104741788A (en) | 2015-03-17 | 2015-03-17 | Laser welding device suitable for gas sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104741788A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458504A (en) * | 2015-12-16 | 2016-04-06 | 中国原子能科学研究院 | Device and process for sealing high pressure gas in tubular samples |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01104493A (en) * | 1987-10-16 | 1989-04-21 | Mitsubishi Electric Corp | Laser processing machine |
| CN201950369U (en) * | 2011-01-18 | 2011-08-31 | 深圳市大族激光科技股份有限公司 | Bending type air blowing pipe laser welding head |
| CN203712093U (en) * | 2014-01-03 | 2014-07-16 | 鞍山煜宸科技有限公司 | Laser welding device with gas detection display |
| CN204711401U (en) * | 2015-03-17 | 2015-10-21 | 深圳巴斯巴科技发展有限公司 | A kind of laser soldering device being applicable to air seal |
-
2015
- 2015-03-17 CN CN201510136012.1A patent/CN104741788A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01104493A (en) * | 1987-10-16 | 1989-04-21 | Mitsubishi Electric Corp | Laser processing machine |
| CN201950369U (en) * | 2011-01-18 | 2011-08-31 | 深圳市大族激光科技股份有限公司 | Bending type air blowing pipe laser welding head |
| CN203712093U (en) * | 2014-01-03 | 2014-07-16 | 鞍山煜宸科技有限公司 | Laser welding device with gas detection display |
| CN204711401U (en) * | 2015-03-17 | 2015-10-21 | 深圳巴斯巴科技发展有限公司 | A kind of laser soldering device being applicable to air seal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458504A (en) * | 2015-12-16 | 2016-04-06 | 中国原子能科学研究院 | Device and process for sealing high pressure gas in tubular samples |
| CN105458504B (en) * | 2015-12-16 | 2017-03-29 | 中国原子能科学研究院 | A kind of device and technique for the seals high pressure gas in tubular specimen |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150701 |