CN113070567A - Laser cutting and welding integrated device used in pipeline - Google Patents
Laser cutting and welding integrated device used in pipeline Download PDFInfo
- Publication number
- CN113070567A CN113070567A CN202110378006.2A CN202110378006A CN113070567A CN 113070567 A CN113070567 A CN 113070567A CN 202110378006 A CN202110378006 A CN 202110378006A CN 113070567 A CN113070567 A CN 113070567A
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- Prior art keywords
- pipeline
- driving system
- rotary driving
- reflector
- laser
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- 238000003466 welding Methods 0.000 title claims abstract description 31
- 238000003698 laser cutting Methods 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 239000013307 optical fiber Substances 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 239000000498 cooling water Substances 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000005520 cutting process Methods 0.000 description 10
- 230000004927 fusion Effects 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/046—Automatically focusing the laser beam
-
- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0643—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising mirrors
-
- 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
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses an integrated device for laser cutting and welding in a pipeline, which comprises a terminal reflector bracket, a focusing unit, a hollow light transmission pipeline component, a water cooling pipeline, an auxiliary gas pipeline, a rotary driving system, a collimation system, a focusing unit and an optical fiber interface unit, wherein the terminal reflector bracket is arranged on the terminal reflector bracket; the terminal reflector bracket is connected to the rotary driving system through a hollow light transmission pipeline component, and a cooling water channel is arranged on the hollow light transmission pipeline component and communicated with an external water cooling pipeline; the auxiliary gas pipeline is arranged and communicated with external protective gas through a gas pipeline interface; the hollow light transmission pipeline component is connected to the rotary driving system through threads and is also connected with a light beam collimation component, a focusing unit and an optical fiber interface unit; the terminal reflector frame comprises a 45-degree reflector, an outer shell and a reflector head, and is used for refracting and deflecting the transmitted light focused by the focusing unit by 90 degrees, and emitting the light from the lower part of the terminal reflector frame and a processing nozzle to cut or weld a workpiece.
Description
Technical Field
The invention relates to the technical field of nuclear fusion reactor engineering, in particular to the cutting and welding maintenance requirements of a tube forest in the remote operation maintenance function of a fusion device in the future, and develops an integrated device for cutting and welding inside a pipeline aiming at the situation that a conventional cutting and welding tool and a conventional robot cannot be used in the environment in actual engineering.
Background
Among a plurality of technical difficulties of fusion teleoperation maintenance, remote welding and cutting of internal component pipelines with various quantities and different specifications are the problems to be solved at first, otherwise teleoperation maintenance cannot be carried out smoothly. In the remote maintenance of fusion reactors such as CFETR (China future engineering fusion reactor), the cutting and welding of the pipeline account for more than 70% of the maintenance period. However, the fusion reactor internal tube forest system is complicated and complicated, the operable space is narrow, and the conventional welding robot is difficult to complete the expected task. The in-bore welding (in-bore welding) technology is an ideal choice for solving the problem, and the European Union has already completed the preliminary research of the related technology and applied for the related patent internationally based on the requirements of EU-DEMO. The research on the same block in China is blank, and relevant pre-research work needs to be carried out urgently.
At present, the high-end industrial laser industry is urgently needed to be developed in the Yangtze river delta area, the implementation of supply side reform is facilitated in a large aspect, and the replacement of import, cost reduction and continuous improvement of enterprise competitiveness and innovation capability of the whole laser industry are facilitated in a small aspect.
Disclosure of Invention
In order to solve the technical problem, the invention provides an integrated device for laser cutting and welding in a pipeline, which comprises a terminal reflector bracket, a focusing unit, a hollow light transmission pipeline component, a water cooling pipeline, an auxiliary gas pipeline, a rotary driving system, a collimation system, a focusing unit and an optical fiber interface unit, wherein the terminal reflector bracket is arranged on the terminal reflector bracket;
the terminal reflector bracket is connected to the rotary driving system through a hollow light transmission pipeline component, and a cooling water channel is arranged on the hollow light transmission pipeline component and communicated with an external water cooling pipeline; the auxiliary gas pipeline is arranged and communicated with external protective gas through a gas pipeline interface;
the hollow light transmission pipeline component is connected to the rotary driving system through threads and is also connected with a light beam collimation component, a focusing unit and an optical fiber interface unit;
the terminal reflector frame comprises a 45-degree reflector, an external shell and a reflector head, and is used for refracting and deflecting the transmitted light focused by the focusing unit by 90 degrees, and emitting the light from the lower part of the terminal reflector frame and a processing nozzle to cut or weld a workpiece;
furthermore, an auxiliary gas pipeline is connected to the lower side of the reflecting head, and auxiliary processing gas enters the focusing unit through the auxiliary gas pipeline and is coaxially sprayed out with the laser through the nozzle, so that a molten pool is protected, and smoke dust is prevented from entering the reflecting head to pollute the reflecting mirror; the reflector is internally provided with a water path which is connected with the cooling water channel through a back water pipe joint and used for cooling the reflector.
Furthermore, the focusing unit comprises a shell and a focusing lens system, the focusing lens system is used for focusing laser emitted by the collimating system, the type of the focusing lens is a transmission type focusing lens, and the position of a focus from the outlet of the nozzle can be finely adjusted by screwing the thread of the focusing unit.
Furthermore, the hollow light transmission pipeline component is a mechanism with a hollow interior, is connected with the rotary driving system through threads, is powered by the driving system, drives the mechanism connected with the driving system to rotate, and is connected with the fixed base through the shell.
Furthermore, the collimation system and the optical fiber interface unit are connected with the rotary driving system and connected with an output optical fiber connector of the laser through the optical fiber interface, an output light source of the laser is led into the collimation system, and then the laser enters the laser processing head part at the front end through the rotary driving system and the inside of the extension mechanism, and the part is directly connected with the rotary driving system and does not do rotary motion.
Furthermore, the rotary driving system is a direct-drive motor, a servo driver drives the motor to rotate under the control of an external control system, so that the control of the rotating speed and the angle is realized, and the direct-drive motor is configured as a stepping motor or a speed regulating motor.
Has the advantages that:
the integrated device of the invention not only realizes the application of the laser cutting welding key technology in the pipeline to the fusion reactor, but also accelerates the popularization and application of the project research and development results in the related advanced manufacturing fields of spaceflight, nuclear energy and the like, thereby not only laying a solid engineering technical foundation for building the fusion reactor in China in the future, but also bringing remarkable benefits to national economy.
At present, laser cutting and welding at home and abroad mostly exist in a single cutting and single welding mode, and the existing laser cutting and welding executing tools are all carried out from the external environment. Can realize through conventional laser cutting welding implementation instrument under the condition that on-the-spot operating mode allows, then under specific operating mode, the exterior space is difficult to place conventional cutting welding instrument, consequently cutting welding integrated device can realize pipeline cutting and welding task under narrow and small exterior space in the pipeline, and need not to change front end cutting welding implementation instrument, and its engineering application effect is quick, high-efficient.
Drawings
FIG. 1 is a front view of the invention in a horizontal disposition;
FIG. 2 is a schematic sectional view and an internal structure thereof;
fig. 3 is a schematic three-dimensional structure of the present invention.
The parts in the drawings are numbered as follows: 1. a terminal mirror mount; 2. a focusing unit; 3. a hollow light transmission duct member; 4. a water-cooled pipeline; 5. a rotational drive system; 6. a collimating system; 7. a focusing unit; 8. an optical fiber interface unit; 9. processing a nozzle; 10. a gas pipeline interface; 11. a focusing lens; 12. a collimating lens; 13. a cooling water passage; 14. an auxiliary gas conduit.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention without creative efforts.
Referring to fig. 1 to 3, according to an embodiment of the present invention, an integrated device for laser cutting and welding in a pipeline is provided, including a terminal reflector frame 1, a focusing unit 2, a hollow light transmission pipeline component 3, a water cooling pipeline 4, an auxiliary gas pipeline 14, a rotation driving system 5, a light beam collimating system 6, a focusing unit 7, and an optical fiber interface unit 8;
on the direct drive motor that is fixed in rotary drive system 5 directly or indirectly between all parts of laser cutting welding integrated device in the pipeline, direct drive motor is conventional hollow structure so that laser passes through by inside, and direct drive motor's ring flange can change external shape according to actual demand and link to each other with different actuating mechanism, if: the three-axis linear robot and the six-axis joint robot are used for extending a front end machining head into the pipeline to perform laser switching or welding machining. The hollow light transmission pipeline component 3 is provided with a cooling water channel 13 which is communicated with an external water cooling pipeline; and an auxiliary gas pipeline 14 is arranged and communicated with external protective gas through a gas pipeline interface 10;
the terminal reflector frame comprises a 45-degree reflector and an external shell, light focused by the focusing unit 2 refracts and deflects 90 degrees, the light is ejected out through a processing nozzle 9 at the lower part to cut or weld a workpiece, an auxiliary gas pipeline 14 is connected to the lower side of the reflection of the focusing lens, auxiliary processing gas enters the focusing unit 2 through the auxiliary gas pipeline and is coaxially ejected with laser through the processing nozzle 9, and the effects of protecting a molten pool and preventing smoke dust from entering a reflector head to pollute the reflector are achieved. The reflector is internally provided with a water path which is connected with the cooling water channel through a back water pipe joint to cool the reflector.
The focusing unit 2 comprises a shell and a focusing lens system, and is responsible for focusing laser emitted by the collimating system, the focusing lens system comprises a transmission type focusing lens 11, and the position of the focus distance at the outlet of the processing nozzle 9 can be finely adjusted by screwing threads of the focusing unit.
The hollow light transmission pipeline component 3 is a mechanism with a hollow interior, is connected with a direct drive motor through threads, and is powered by the direct drive motor to drive the mechanism connected with the direct drive motor to rotate. And is connected with a direct drive motor through a shell to realize the axial movement in the pipe.
The light beam collimation system 6 and the optical fiber interface unit 8 are connected with the fixed base and connected with an output optical fiber connector of the laser through the optical fiber interface unit 8, an output light source of the laser is led into a collimation lens 12 of the light beam collimation system 6, and then the laser enters a laser processing head part at the front end through a direct drive motor and the extension mechanism, and the part is directly connected with a direct drive motor and does not rotate.
The rotary driving system comprises a direct drive motor, is controlled by an external control system, is provided with a servo driver to drive the motor to rotate, can realize high-precision rotation speed and angle control, and can be configured as a stepping motor or a speed regulating motor.
According to the embodiment of the invention, the working process of the device is as follows: the laser processing head is arranged at a position to be processed, laser is transmitted into the collimation system and light is emitted from the optical fiber interface device through the output optical fiber, enters the focusing module through the direct drive motor and the hollow rotating device after being collimated, is reflected by the reflecting mirror after being focused, and is finally output by the nozzle to carry out laser cutting or welding processing.
The system controls the direct drive motor to rotate, the hollow light transmission pipeline component flange is driven to rotate, and then the processing head at the front end of the hollow light transmission pipeline component rotates to carry out laser processing.
Although illustrative embodiments of the present invention have been described above to facilitate the understanding of the present invention by those skilled in the art, it should be understood that the present invention is not limited to the scope of the embodiments, but various changes may be apparent to those skilled in the art, and it is intended that all inventive concepts utilizing the inventive concepts set forth herein be protected without departing from the spirit and scope of the present invention as defined and limited by the appended claims.
Claims (6)
1. The utility model provides a be used for laser cutting welding integrated device in pipeline which characterized in that: the device comprises a terminal reflector bracket, a focusing unit, a hollow light transmission pipeline component, a water cooling pipeline, an auxiliary gas pipeline, a rotary driving system, a collimation system, a focusing unit and an optical fiber interface unit;
the terminal reflector bracket is connected to the rotary driving system through a hollow light transmission pipeline component, and a cooling water channel is arranged on the hollow light transmission pipeline component and communicated with an external water cooling pipeline; the auxiliary gas pipeline is arranged and communicated with external protective gas through a gas pipeline interface;
the hollow light transmission pipeline component is connected to the rotary driving system through threads and is also connected with a light beam collimation system, a focusing unit and an optical fiber interface unit;
the terminal reflector frame comprises a 45-degree reflector, an outer shell and a reflector head, and is used for refracting and deflecting the transmitted light focused by the focusing unit by 90 degrees, and emitting the light from the lower part of the terminal reflector frame and a processing nozzle to cut or weld a workpiece.
2. The integrated laser cutting and welding device for the pipeline as claimed in claim 1, wherein an auxiliary gas pipeline is connected to the lower side of the reflection head, and an auxiliary processing gas enters the focusing unit through the auxiliary gas pipeline and is coaxially ejected with the laser through the processing nozzle, so as to protect the molten pool and prevent smoke from entering the reflection head to pollute the reflection mirror; the reflector is internally provided with a water path which is connected with the cooling water channel through a back water pipe joint and used for cooling the reflector.
3. The integrated device for laser cutting and welding in pipelines according to claim 1, wherein the focusing unit comprises a housing and a focusing lens system for focusing the laser emitted by the collimating system, the focusing lens is a transmission type focusing lens, and the position of the focal point from the outlet of the processing nozzle can be finely adjusted by screwing the thread of the focusing unit.
4. The integrated laser cutting and welding device for the pipeline inside as claimed in claim 1, wherein the hollow light transmission pipeline component is a mechanism with a hollow inside, and is connected with a rotary driving system through a thread, and the driving system provides power to drive the mechanism connected with the driving system to rotate, and is connected with the fixed base through a shell.
5. The integrated laser cutting and welding device as claimed in claim 1, wherein the collimating system and the optical fiber interface unit are connected with the rotary driving system and connected with an output optical fiber connector of the laser through an optical fiber interface, an output light source of the laser is guided into the collimating system, and then the laser processing head part at the front end is extended from the interior of the mechanism through the rotary driving system and is directly connected with the rotary driving system without rotating.
6. The integrated device for laser cutting and welding in the pipeline as claimed in claim 1, wherein the rotary driving system is a direct drive motor, the rotation and angle control is realized by controlling the rotary driving system through an external control system and driving the motor to rotate through a servo driver, and the direct drive motor is configured as a stepping motor or a speed regulating motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110378006.2A CN113070567A (en) | 2021-04-08 | 2021-04-08 | Laser cutting and welding integrated device used in pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110378006.2A CN113070567A (en) | 2021-04-08 | 2021-04-08 | Laser cutting and welding integrated device used in pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113070567A true CN113070567A (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110378006.2A Pending CN113070567A (en) | 2021-04-08 | 2021-04-08 | Laser cutting and welding integrated device used in pipeline |
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| Country | Link |
|---|---|
| CN (1) | CN113070567A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054956A (en) * | 2022-01-17 | 2022-02-18 | 电王精密电器(北京)有限公司 | Laser pipeline backing welding inner welding method and welding device |
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| CN212286274U (en) * | 2020-04-09 | 2021-01-05 | 武汉金密激光技术有限公司 | Laser welding, cladding and cutting integrated machining head |
| CN212577803U (en) * | 2020-07-03 | 2021-02-23 | 天津滨海雷克斯激光科技发展有限公司 | Inner hole laser welding head |
| CN112501612A (en) * | 2020-12-03 | 2021-03-16 | 武汉武钢华工激光大型装备有限公司 | Reflector focusing light path device for laser inner hole cladding head |
-
2021
- 2021-04-08 CN CN202110378006.2A patent/CN113070567A/en active Pending
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| JP2000094176A (en) * | 1998-09-16 | 2000-04-04 | Japan Atom Energy Res Inst | Laser type remote welding and cutting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054956A (en) * | 2022-01-17 | 2022-02-18 | 电王精密电器(北京)有限公司 | Laser pipeline backing welding inner welding method and welding device |
| CN114054956B (en) * | 2022-01-17 | 2022-04-12 | 电王精密电器(北京)有限公司 | Laser pipeline backing welding inner welding method and welding device |
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