CN106541209A - A kind of method and system for laser welding - Google Patents
A kind of method and system for laser welding Download PDFInfo
- Publication number
- CN106541209A CN106541209A CN201710030358.2A CN201710030358A CN106541209A CN 106541209 A CN106541209 A CN 106541209A CN 201710030358 A CN201710030358 A CN 201710030358A CN 106541209 A CN106541209 A CN 106541209A
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- China
- Prior art keywords
- welded
- workpiece
- laser
- light source
- contacted
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Classifications
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- 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
-
- 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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
- B23K26/703—Cooling arrangements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention provides a kind of method for laser welding, and methods described includes：First workpiece to be welded and the second workpiece to be welded are contacted with each other, the light direction of LASER Light Source is arranged on, and first workpiece to be welded is located between the LASER Light Source and the second workpiece to be welded；First workpiece to be welded and the second workpiece to be welded receive the laser of the LASER Light Source transmitting, under the irradiation of the laser, the upper surface melting that second workpiece to be welded is contacted with the first workpiece to be welded, and after cooling, both are welded together；Wherein, on the upper surface that the described second workpiece to be welded is contacted with the first workpiece to be welded, the channel design of non-solder is provided with, in the channel design, cooling medium is stored, the heat produced when absorbing laser welding using the cooling medium in the channel design.The present invention also provides a kind of system for laser welding, based on the method and system provided by the present invention for laser welding, can effectively absorb the heat produced in laser beam welding so that be not required to welding position and avoid damage from laser.
Description
Technical field
The present invention relates to laser welding field, more particularly to a kind of method and system for laser welding.
Background technology
Laser welding be by the use of high-energy-density laser beam as thermal source a kind of high-efficiency and precision welding method, be laser
One of importance of materials processing technology application.Larger welding heat would generally be produced in laser beam welding, due to
Laser energy density during welding is larger, therefore this part welding heat for producing is also than larger, if not adopting corresponding cooling
The part welding heat is taken away by technique, then can directly affect weldquality, and can be not required to the position welded to other and cause
Unnecessary damage.
The content of the invention
In view of this, present invention is primarily targeted at providing a kind of method and system for laser welding, by profit
With the method and system for laser welding provided by the present invention, can effectively absorb what is produced in laser beam welding
Heat so that be not required to welding position and avoid damage from laser.
Technical scheme is as follows：
The present invention provides a kind of method for laser welding, and methods described includes：Will be the first workpiece to be welded and second to be welded
Connect workpiece to contact with each other, be arranged on the light direction of LASER Light Source, and first workpiece to be welded is located at the LASER Light Source
Between the second workpiece to be welded；First workpiece to be welded and the second workpiece to be welded receive the LASER Light Source transmitting
Laser, under the irradiation of the laser, the upper surface melting that second workpiece to be welded is contacted with the first workpiece to be welded,
After cooling, both are welded together；Wherein, the upper surface for contacting with the first workpiece to be welded in the described second workpiece to be welded
On, the channel design of non-solder is provided with, in the channel design, cooling medium is stored, using cold in the channel design
But the heat for producing during Absorption of Medium laser welding.
In such scheme, first workpiece to be welded is made up of the material to laser-light transparent, second work to be welded
Part is made up of the material for having larger absorbance to laser.
In such scheme, the laser beam of the LASER Light Source transmitting is：Point hot spot or linear light speckle or face hot spot.
In such scheme, methods described also includes：It is upper with what the first workpiece to be welded contacted in the second workpiece to be welded
The position welded is not required on surface, isolation Rotating fields are set.
In such scheme, by way of mask is sprayed, isolation Rotating fields are set.
In such scheme, methods described also includes：When being welded, to the first workpiece to be welded and the second work to be welded
The contact surface of part applies pressure.
The present invention also provides a kind of system for laser welding, and the system includes：LASER Light Source, the first work to be welded
Part, the second workpiece to be welded；First workpiece to be welded and the second workpiece to be welded contact with each other, and are arranged on the laser light
The light direction in source, and first workpiece to be welded is positioned between the LASER Light Source and the second workpiece to be welded；Described
One workpiece to be welded and the second workpiece to be welded are used for the laser for receiving the LASER Light Source transmitting, in the irradiation of the laser
Under, the upper surface melting that second workpiece to be welded is contacted with the first workpiece to be welded, after cooling, both are welded together；
Wherein, on the upper surface that the described second workpiece to be welded is contacted with the first workpiece to be welded, it is provided with the passage of non-solder
Structure, the channel design are used to store cooling medium, and the cooling medium is used to absorb the heat produced during laser welding.
In such scheme, first workpiece to be welded is made up of the material to laser-light transparent, second work to be welded
Part is made up of the material for having larger absorbance to laser.
In such scheme, it is not required to what is welded on the upper surface that the second workpiece to be welded is contacted with the first workpiece to be welded
Position, is additionally provided with isolation Rotating fields.
In such scheme, the system also includes：Clamping device；The clamping device for when being welded, to
The contact surface of one workpiece to be welded and the second workpiece to be welded applies pressure.
Description of the drawings
Fig. 1 is system composition structural representation one of the present invention for laser welding；
Fig. 2 is the schematic cross-section one of channel design between workpiece to be welded of the invention；
Fig. 3 is the schematic cross-section two of channel design between workpiece to be welded of the invention；
Fig. 4 is coating procedure embodiment of the present invention based on Fig. 3.
Description of reference numerals：1 is LASER Light Source, and 2 is laser, and 3 is the first workpiece to be welded, and 4 is the second workpiece to be welded,
5 is welding region, and 6 is channel design, 7 cooling mediums, 8 for coating the material for not absorbing laser, 9 is mask plate, and 10 are spray
Coating head.
Specific embodiment
In the embodiment of the present invention, by arranging non-on the upper surface that the second workpiece to be welded is contacted with the first workpiece to be welded
The channel design of welding, and cooling medium is stored in the channel design, by using the cooling medium in the channel design
The heat that produces when absorbing laser welding, enables to be not required to welding position avoid damage from laser.
In the embodiment of the present invention, the cooling medium can be：Gas, and/or liquid, and/or solid etc..
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to technical solution of the present invention.
The embodiment of the present invention provides a kind of method for laser welding, the method comprising the steps of：
Step a：First workpiece to be welded and the second workpiece to be welded are contacted with each other, the light direction of LASER Light Source is arranged on,
And first workpiece to be welded is located between the LASER Light Source and the second workpiece to be welded；
In this step, first workpiece to be welded is made up of the material to laser-light transparent, and second workpiece to be welded is by right
The material that laser has larger absorbance is made.
The laser beam of LASER Light Source transmitting can be：Point hot spot or linear light speckle or face hot spot.
Further, said method also includes：In the upper table that the second workpiece to be welded is contacted with the first workpiece to be welded
The position welded is not required on face, isolation Rotating fields is set, then again the first workpiece to be welded is placed on the isolation layer.
In actual application, can be by way of mask be sprayed, in the described second workpiece to be welded and described the
The position welded is not required on the upper surface that one workpiece to be welded contacts, isolation Rotating fields are set.
Step b：First workpiece to be welded and the second workpiece to be welded receive the laser of the LASER Light Source transmitting,
Under the irradiation of the laser, the upper surface melting that second workpiece to be welded is contacted with the first workpiece to be welded, after cooling
Both are welded together；
Specifically, when being welded, methods described also includes the contact to the first workpiece to be welded and the second workpiece to be welded
Face applies pressure.
Further, on the upper surface that the described second workpiece to be welded is contacted with the first workpiece to be welded, it is provided with
The channel design of non-solder, stores cooling medium in the channel design, is inhaled using the cooling medium in the channel design
Receive the heat produced during laser welding.
Fig. 1 is system composition structural representation one of the present invention for laser welding, the transmitting of LASER Light Source described in Fig. 1
Laser is linear light speckle.As shown in figure 1, the embodiment of the present invention also provides a kind of system for laser welding, the system includes：
LASER Light Source 1, the first workpiece to be welded 3, the second workpiece to be welded 4.
Specifically, the described first workpiece to be welded 3 and the second workpiece to be welded 4 contact with each other, and are arranged on the laser light
The light direction in source 1, and first workpiece to be welded 3 is positioned between the LASER Light Source 1 and the second workpiece to be welded 4.
First workpiece to be welded 3 and the second workpiece to be welded 4 are used to receive the laser 2 of the transmitting of the LASER Light Source 1,
Under the irradiation of the laser 2, the upper surface melting that second workpiece to be welded is contacted with the first workpiece to be welded, cooling
Both are welded together afterwards；Wherein, on the upper surface that the described second workpiece to be welded 4 is contacted with the first workpiece to be welded 3,
The channel design 6 of non-solder is provided with, the channel design 6 is used to store cooling medium, and the cooling medium is used to absorb sharp
The heat produced during photocoagulation.
Further, the described first workpiece to be welded 3 is made up of the material to laser-light transparent, second workpiece to be welded
4 are made up of the material for having larger absorbance to laser.
In the embodiment of the present invention, on the upper surface that the described second workpiece to be welded 4 is contacted with the first workpiece to be welded 3
The position welded is not required to, isolation Rotating fields are additionally provided with；The isolation Rotating fields can be realized by way of mask is sprayed.
Further, the system can also include：Clamping device；The clamping device is for when being welded, right
The contact surface of the first workpiece to be welded and the second workpiece to be welded applies pressure.
Fig. 2 is the schematic cross-section one of channel design between workpiece to be welded of the invention, as shown in Fig. 2 the passage position
In the upper surface of the second workpiece to be welded, the internal reservoir of the passage has cooling medium.
Fig. 3 is the schematic cross-section two of channel design between workpiece to be welded of the invention, as shown in figure 3, the passage position
In the upper surface of the second workpiece to be welded, the channel interior is coated with the material 8 for not absorbing laser.Fig. 4 is based on for the present invention
The coating procedure embodiment of Fig. 3, as shown in figure 4, mask plate 9 is positioned over the second surface of the work to be welded, spray head 10 sprays not
Absorb the material 8 of laser, the material is deposited on by mask plate and is not intended to inside soldered raceway groove, other soldered parts by
In mask plate presence without being applied any material for not absorbing laser.
It should be noted that, the section of the channel design in the present invention can be the arbitrary shape such as circular, square, the passage
Structure can be arranged to free routing according to the actual requirements.
The above, only presently preferred embodiments of the present invention is not intended to limit protection scope of the present invention.For
For those skilled in the art, the present invention can have various modifications and variations.All institutes within the spirit and principles in the present invention
Any modification, equivalent substitution and improvements done etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of method for laser welding, it is characterised in that methods described includes：
First workpiece to be welded and the second workpiece to be welded are contacted with each other, the light direction of LASER Light Source is arranged on, and it is described
First workpiece to be welded is located between the LASER Light Source and the second workpiece to be welded；
First workpiece to be welded and the second workpiece to be welded receive the laser of the LASER Light Source transmitting, in the laser
Under irradiation, the upper surface melting that second workpiece to be welded is contacted with the first workpiece to be welded, after cooling, both are welded to
Together；
Wherein, on the upper surface that the described second workpiece to be welded is contacted with the first workpiece to be welded, it is provided with non-solder
Channel design, stores cooling medium in the channel design, absorbs Laser Welding using the cooling medium in the channel design
The heat produced when connecing.
2. method according to claim 1, it is characterised in that first workpiece to be welded is by the material to laser-light transparent
Make, second workpiece to be welded is made up of the material for having larger absorbance to laser.
3. method according to claim 1, it is characterised in that the laser beam of the LASER Light Source transmitting is：Point hot spot,
Or linear light speckle or face hot spot.
4. method according to claim 1, it is characterised in that methods described also includes：In the second workpiece to be welded and
The position welded is not required on the upper surface that one workpiece to be welded contacts, isolation Rotating fields are set.
5. method according to claim 4, it is characterised in that by way of mask is sprayed, arranges isolation Rotating fields.
6. the method according to any one of claim 1 to 5, it is characterised in that methods described also includes：Welded
When, pressure is applied to the contact surface of the first workpiece to be welded and the second workpiece to be welded.
7. a kind of system for laser welding, it is characterised in that the system includes：LASER Light Source, the first workpiece to be welded,
Second workpiece to be welded；First workpiece to be welded and the second workpiece to be welded contact with each other, and are arranged on the LASER Light Source
Light direction, and first workpiece to be welded be located between the LASER Light Source and the second workpiece to be welded；
First workpiece to be welded and the second workpiece to be welded are used for the laser for receiving the LASER Light Source transmitting, swash described
Under the irradiation of light, the upper surface melting that second workpiece to be welded is contacted with the first workpiece to be welded, both welderings after cooling
It is connected to together；Wherein, on the upper surface that the described second workpiece to be welded is contacted with the first workpiece to be welded, it is provided with non-weldering
The channel design for connecing, the channel design are used to store cooling medium, and the cooling medium is produced when being used to absorb laser welding
Heat.
8. system according to claim 7, it is characterised in that first workpiece to be welded is by the material to laser-light transparent
Make, second workpiece to be welded is made up of the material for having larger absorbance to laser.
9. system according to claim 7, it is characterised in that connect with the first workpiece to be welded in the second workpiece to be welded
The position welded is not required on tactile upper surface, isolation Rotating fields are additionally provided with.
10. the system according to any one of claim 7 to 9, it is characterised in that the system also includes：Clamping device；Institute
Clamping device is stated for when being welded, applying pressure to the contact surface of the first workpiece to be welded and the second workpiece to be welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710030358.2A CN106541209B (en) | 2017-01-17 | 2017-01-17 | A kind of method and system for laser welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710030358.2A CN106541209B (en) | 2017-01-17 | 2017-01-17 | A kind of method and system for laser welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106541209A true CN106541209A (en) | 2017-03-29 |
| CN106541209B CN106541209B (en) | 2018-02-09 |
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ID=58398654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710030358.2A Active CN106541209B (en) | 2017-01-17 | 2017-01-17 | A kind of method and system for laser welding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108790190A (en) * | 2017-04-28 | 2018-11-13 | 莱丹科技股份公司 | Laser bonding and laser engagement device for welding workpiece |
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| JP2003290950A (en) * | 2002-04-01 | 2003-10-14 | Nippon Steel Corp | Laser welding method for high tension steel plate |
| JP2007111926A (en) * | 2005-10-19 | 2007-05-10 | Toyota Motor Corp | Method and apparatus for laser beam welding of thermoplastic resin member |
| CN101676060A (en) * | 2008-09-19 | 2010-03-24 | 湖北中航精机科技股份有限公司 | Method for welding plate material of seat of vehicle by laser |
| JP2010261318A (en) * | 2009-04-30 | 2010-11-18 | Mitsubishi Heavy Ind Ltd | Method of manufacturing plate-shaped body, plate-shaped body, gas turbine combustor, and gas turbine |
| JP2016132156A (en) * | 2015-01-19 | 2016-07-25 | オムロン株式会社 | Joined structure and method for producing joined structure |
| CN206393049U (en) * | 2017-01-17 | 2017-08-11 | 镭蒙（苏州）微光学科技有限公司 | A kind of system for laser welding |
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2017
- 2017-01-17 CN CN201710030358.2A patent/CN106541209B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003290950A (en) * | 2002-04-01 | 2003-10-14 | Nippon Steel Corp | Laser welding method for high tension steel plate |
| JP2007111926A (en) * | 2005-10-19 | 2007-05-10 | Toyota Motor Corp | Method and apparatus for laser beam welding of thermoplastic resin member |
| CN101676060A (en) * | 2008-09-19 | 2010-03-24 | 湖北中航精机科技股份有限公司 | Method for welding plate material of seat of vehicle by laser |
| JP2010261318A (en) * | 2009-04-30 | 2010-11-18 | Mitsubishi Heavy Ind Ltd | Method of manufacturing plate-shaped body, plate-shaped body, gas turbine combustor, and gas turbine |
| JP2016132156A (en) * | 2015-01-19 | 2016-07-25 | オムロン株式会社 | Joined structure and method for producing joined structure |
| CN206393049U (en) * | 2017-01-17 | 2017-08-11 | 镭蒙（苏州）微光学科技有限公司 | A kind of system for laser welding |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108790190A (en) * | 2017-04-28 | 2018-11-13 | 莱丹科技股份公司 | Laser bonding and laser engagement device for welding workpiece |
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| Publication number | Publication date |
|---|---|
| CN106541209B (en) | 2018-02-09 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20190910 Address after: 710077, No. 86, No. 56, Xi'an hi tech Zone, Shaanxi, China Patentee after: FOCUSLIGHT TECHNOLOGIES INC. Address before: The river Wuzhong Economic Development Zone Suzhou Street Wuzhong road in Suzhou city of Jiangsu Province in 215104 2888, building 6, room 515 D513 Patentee before: Laser technology (Suzhou) Co., Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200628 Address after: Room 611, main office building, No. 118, Longxing Road, Haining Economic Development Zone, Haining City, Jiaxing City, Zhejiang Province Patentee after: Juguang (Haining) photoelectric Co., Ltd Address before: 710077, No. 86, No. 56, Xi'an hi tech Zone, Shaanxi, China Patentee before: Focuslight Technologies Inc. |
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| TR01 | Transfer of patent right |