CN111266756A - High-power vacuum laser welding transmission lens protection mechanism and welding system - Google Patents
High-power vacuum laser welding transmission lens protection mechanism and welding system Download PDFInfo
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- CN111266756A CN111266756A CN202010236283.5A CN202010236283A CN111266756A CN 111266756 A CN111266756 A CN 111266756A CN 202010236283 A CN202010236283 A CN 202010236283A CN 111266756 A CN111266756 A CN 111266756A
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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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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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
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
- B23K26/1224—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in vacuum
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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
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
- B23K26/123—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in an atmosphere of particular gases
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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
- B23K26/14—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
- B23K26/146—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 the fluid stream containing a liquid
-
- 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
Abstract
The invention discloses a high-power vacuum laser welding transmission lens protection mechanism and a welding system, wherein the protection device comprises a window assembly, the window assembly comprises a protection device main body, the protection device main body is connected with the top wall of a vacuum chamber, the center of the protection device main body is provided with an inverted-cone-frustum-shaped transmission through hole, the upper part of the transmission through hole is used for mounting a laser transmission lens, the protection device main body is respectively provided with an air inlet through hole and an air exhaust through hole on two sides of the transmission through hole, the air inlet through hole is arranged above the air exhaust through hole, the air inlet through hole and the air exhaust through hole are both arranged below the laser transmission lens, one end of the air inlet through hole is connected with an air bottle, the other end of the air inlet through hole is communicated with the transmission through hole. The invention solves the problem that the existing vacuum laser welding equipment pollutes the laser transmission lens by metal vapor and welding smoke dust when high-power welding is carried out.
Description
Technical Field
The invention relates to the technical field of vacuum laser welding, in particular to a high-power vacuum laser welding transmission lens protection mechanism and a welding system.
Background
In nuclear energy equipment, large ships and large components of large scientific devices, the welding efficiency and the welding quality of thick plates are always important problems which people generally pay attention to, and high-power laser welding has the advantages of high energy density, high welding efficiency, high automation degree and the like, and becomes a hotspot for research and application of numerous scholars and engineers at home and abroad. However, research finds that when the laser power is increased to a certain degree, plasma and metal vapor generated by the strong evaporation of liquid metal in a welding pool under the action of laser generate absorption, scattering and refraction effects on the laser, so that the laser energy is reduced, the action position is unstable, the weld penetration is not increased linearly along with the laser power any more, and the appearance quality of the weld is poor.
In recent years, vacuum laser welding is attracting more and more attention due to excellent welding quality, extremely strong penetrating power and good material adaptability, but metal steam and welding smoke generated by vacuum environment welding are attached to the surface of a laser transmission lens to cause serious pollution to the laser transmission lens, so that the consistency of the welding quality cannot be ensured, and even the laser transmission lens is cracked to damage welding equipment; and with the increase of laser power, the phenomenon is more and more serious, and the application of vacuum laser welding in the field of welding of large and thick components is also limited.
Disclosure of Invention
The invention aims to provide a protective mechanism for a high-power vacuum laser welding transmission lens, which solves the problem that metal steam and welding smoke pollute the laser transmission lens when the conventional vacuum laser welding equipment carries out high-power welding.
In addition, the invention also provides a welding system based on the protection device.
The invention is realized by the following technical scheme:
the protection mechanism for the high-power vacuum laser welding transmission lens comprises a window assembly, wherein the window assembly is arranged on the top wall of a vacuum chamber, a laser beam emitted by a laser welding head is transmitted to a workpiece on a welding workbench in the vacuum chamber through the window assembly, the window assembly comprises a protection device main body, the protection device main body is connected with the top wall of the vacuum chamber, an inverted-cone-frustum-shaped transmission through hole is formed in the center of the protection device main body, the upper part of the transmission through hole is used for mounting the laser transmission lens, an air inlet through hole and an air exhaust through hole are respectively formed in the protection device main body on two sides of the transmission through hole, the air inlet through hole is formed above the air exhaust through hole, the air inlet through hole and the air exhaust through hole are both formed below the laser transmission lens, one end of the air inlet through hole is connected with an, the other end is communicated with the transmission through hole.
The transmission through hole in the shape of the inverted frustum cone is characterized in that the inner diameter of the transmission through hole is gradually increased from bottom to top, and the gas cylinder stores inert gas which can be argon, helium or nitrogen.
The air pumping system is arranged between the air inlet through hole, the air pumping through hole, the air bottle and the air pump, the air pumping system is used for feeding air into the upper part of the transmission through hole and discharging air out of the lower part, namely, a certain amount of inert gas is blown into a vacuum chamber from the upper air inlet through hole and pumped out from the lower air pumping through hole, a downward air flow is formed in the transmission through hole, the air flow is opposite to the flow direction of metal steam and welding smoke dust formed during welding, namely, the air pumping system forms an air flow which is coaxial and in a reverse flow direction with the metal steam and the welding smoke dust, and is matched with the transmission through hole in the shape of the inverted cone frustum (the transmission through hole in the shape of the inverted cone frustum can discharge a large amount of the metal steam and the welding smoke dust outside and effectively protects the laser transmission lens from being polluted), the metal steam and the welding smoke dust can be effectively pressed, the laser transmission lens is prevented from, on the other hand, inert protective gas blown into the vacuum chamber from the upper inlet through hole plays a certain mechanical compression role, under the condition that the pressure of an air source is not changed, the diameter of the inverted cone frustum-shaped through hole is reduced, so that protective gas flow has larger impact force, metal steam and welding smoke can be better suppressed), and therefore, the laser power can be increased, a high-quality welding line with a very large depth-to-depth ratio of a penetration depth is obtained, and the application range of vacuum laser welding is expanded.
Further, the outer wall of the protective device main body is provided with an air inlet connector and an air exhaust connector, the air inlet through hole is connected with the air bottle through the air inlet connector, and the air exhaust through hole is connected with the air exhaust pump through the air exhaust connector.
Further, the air inlet connector and the air exhaust connector are symmetrically arranged on the upper portion of the outer wall of the protection device main body, and the air inlet through hole and the air exhaust through hole are both of L-shaped structures.
Furthermore, the air inlet connector is connected with the air bottle through a pipeline, an air inlet valve is arranged on the pipeline, the air exhaust connector is connected with the air exhaust pump through a pipeline, and an air exhaust valve is arranged on the pipeline.
Furthermore, the upper part of the transmission through hole extends outwards along the radial direction to form a second step hole, the laser transmission lens is installed on the step at the lower part of the second step hole, the step at the upper part of the second step hole is used for installing a lens pressing plate, the lens pressing plate is used for pressing the laser transmission lens, and the center of the lens pressing plate is provided with a through hole.
Further, the lens pressing plate is connected with the second step hole through a first bolt, and a plurality of o-shaped sealing rings are arranged at the upper end and the lower end of the laser transmission lens.
Specifically, an o-shaped sealing ring is arranged between the laser transmission lens and the lens pressing plate, and the o-shaped sealing ring is arranged between the laser transmission lens and the lower step of the two-step hole.
Preferably, a plurality of o-rings are provided between the guard body and the top wall of the vacuum chamber.
Furthermore, the main body of the protection device is of a boss structure with a large upper part and a small lower part, wherein the small end is used for penetrating through a circular through hole of the top wall of the vacuum chamber, and the large end is connected with the top wall of the vacuum chamber through a second bolt.
The structure is convenient for installing the window assembly and realizes the sealing between the window assembly and the vacuum chamber.
Further, the louver assembly further comprises a water-cooling circulating device, circulating water channels are arranged on the periphery of the laser transmission lens on the protective device main body, and the water-cooling circulating device is communicated with the circulating water channels.
The circulating water channel can effectively cool the laser transmission lens, and can ensure the long-time stable work of the laser transmission lens.
A welding system comprising a high-power vacuum laser welding transmission lens protection device comprises a laser welding head, a vacuum chamber assembly and a window assembly, wherein a laser beam emitted by the laser welding head is transmitted to a workpiece on a welding workbench in the vacuum chamber assembly through the window assembly.
The laser welding head is a common industrial laser welding head, is fixed on a welding machine tool, is used in cooperation with an industrial laser, is positioned above the vacuum chamber component 2, and can be a fiber laser, a YAG laser or a disc laser.
Furthermore, the vacuum chamber assembly comprises a vacuum chamber, a circular through hole for installing the window assembly is formed in the top of the vacuum chamber, a welding workbench is arranged on the inner bottom wall of the vacuum chamber and used for installing a workpiece, the vacuum chamber is connected with a vacuum pump set through an exhaust pipe, and a proportional valve is arranged on the exhaust pipe.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention adopts the transmission through hole in the shape of the inverted cone frustum, thereby effectively avoiding the problem of insufficient protection of the laser transmission lens by the conventional vacuum laser welding.
2. The invention adopts the structural design of the coaxial countercurrent air curtain formed by the upper air inlet through hole and the lower air exhaust through hole, and effectively eliminates the pollution of metal steam and welding smoke dust on the laser transmission lens, thereby ensuring the consistency and stability of the vacuum laser welding quality, avoiding frequent replacement of the laser transmission lens and improving the welding production efficiency.
3. The invention is provided with the water cooling device, and can ensure long-time stable work.
4. The invention has good protection effect, and can carry out ultrahigh-power vacuum laser welding to obtain a vacuum laser welding seam with extremely deep fusion depth and extremely large depth-to-width ratio.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall construction of a welding system;
FIG. 2 is a schematic structural view of the guard mechanism;
fig. 3 is a front sectional view of the guard mechanism.
Reference numbers and corresponding part names in the drawings:
1-laser welding head, 2-vacuum chamber component, 3-window component, 2-1-vacuum chamber, 2-2-vacuum pump group, 2-3-proportional valve, 2-4-exhaust tube, 2-5-welding workbench, 3-1-protective device body, 3-2-laser transmission lens, 3-3-air inlet valve, 3-4-air inlet joint, 3-5-air exhaust joint, 3-6-exhaust valve, 3-7-air exhaust pump, 3-8-gas cylinder, 3-9-lens pressure plate, 3-10-second bolt, 3-11-O type sealing ring, 3-12-water cooling circulation device and 3-13-plug, 3-14-transmission through hole, 3-15-air inlet through hole and 3-16-air exhaust through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1:
as shown in fig. 1-3, the protection mechanism for transmission lens of high power vacuum laser welding comprises a window assembly 3, the window assembly 3 is arranged on the top wall of a vacuum chamber 2-2, a laser beam emitted by a laser welding head 1 is transmitted to a workpiece on a welding worktable 2-5 in the vacuum chamber 2-2 through the window assembly 3, the window assembly 3 comprises a protection device main body 3-1, the protection device main body 3-1 is connected with the top wall of the vacuum chamber 2-2 through a first bolt, specifically, the protection device main body 3-1 is a boss structure with a large upper part and a small lower part, wherein the small end is used for passing through a circular through hole on the top wall of the vacuum chamber 2-2, the large end is connected with the top wall of the vacuum chamber 2-2 through a second bolt 3-10, an o-shaped sealing ring 3-11 is arranged between the protection device main body 3-1 and the top wall, the center of the protection device main body 3-1 is provided with an inverted-cone-frustum-shaped transmission through hole 3-14, the upper part of the transmission through hole is used for mounting a laser transmission lens 3-2, the protection device main body 3-1 is respectively provided with an air inlet through hole 3-15 and an air exhaust through hole 3-16 at two sides of the transmission through hole 3-14, the air inlet through hole 3-15 is arranged above the air exhaust through hole 3-16, the air inlet through hole 3-15 and the air exhaust through hole 3-16 are both arranged below the laser transmission lens 3-2, the outer wall of the protection device main body 3-1 is provided with an air inlet joint 3-4 and an air exhaust joint 3-5, one end of the air inlet through hole 3-15 is connected with an air bottle 3-8 through the air inlet joint 3-4, and the other end is communicated with the transmission through, one end of the air exhaust through hole 3-16 is connected with an air exhaust pump 3-7 through an air exhaust connector 3-5, the other end of the air exhaust through hole is communicated with a transmission through hole 3-14, the air inlet connector 3-4 is connected with the air bottle 3-8 through a pipeline, an air inlet valve 3-3 is arranged on the pipeline, the air exhaust connector 3-5 is connected with the air exhaust pump 3-7 through a pipeline, an air exhaust valve 3-6 is arranged on the pipeline and comprises a plurality of plugs 3-13, the periphery of each plug 3-13 is welded with the protection device main body 3-1, and the air exhaust through hole is used for sealing a through hole left when a gas flow channel is machined; the upper parts of the transmission through holes 3-14 extend outwards along the radial direction to form two step holes, the laser transmission lenses 3-2 are installed on the steps at the lower parts of the two step holes, the steps at the upper parts of the two step holes are used for installing lens pressing plates 3-9, the lens pressing plates 3-9 are used for pressing the laser transmission lenses 3-2, and through holes are formed in the centers of the lens pressing plates 3-9; the lens pressing plate 3-9 is connected with the second step hole through a first bolt, and a plurality of o-shaped sealing rings 3-11 are arranged at the upper end and the lower end of the laser transmission lens 3-2.
In this embodiment, an air pumping system is formed among the air inlet through holes 3-15, the air pumping through holes 3-16, the air cylinders 3-8 and the air pumps 3-7, the air pumping system is used for air inlet at the upper part and air outlet at the lower part in the transmission through holes 3-14, namely, a certain amount of inert gas is blown into the vacuum chamber 2-2 from the upper air inlet through holes 3-15 and pumped out from the lower air pumping through holes 3-16, downward air flow is formed in the transmission through holes 3-14, the air flow is opposite to the flow direction of metal steam and welding smoke dust formed during welding, namely, the air pumping system forms air flow coaxial and countercurrent with the metal steam and the welding smoke dust, and the metal steam and the welding smoke dust can be effectively pressed by matching with the transmission through holes 3-14 in the shape of the reverse cone frustum (the transmission through holes 3-14 in the shape of the reverse cone can remove a large amount of metal steam and welding smoke dust outside, the laser transmission lens is prevented from being polluted, so that the laser power can be increased, a high-quality welding line with a very large depth-to-depth ratio of a fusion depth is obtained, and the application range of vacuum laser welding is expanded.
Example 2:
as shown in fig. 1-3, in this embodiment, based on embodiment 1, the air inlet joint 3-4 and the air exhaust joint 3-5 are symmetrically disposed on the upper portion of the outer wall of the main body 3-1 of the protection device, the air inlet through hole 3-15 and the air exhaust through hole 3-16 are both L-shaped structures, specifically, the air inlet joint 3-4 and the air exhaust joint 3-5 are horizontally disposed and both are provided with an axial through hole in the horizontal direction, the horizontal section of the air inlet through hole 3-15 is communicated with the transmission through hole 3-14, and the vertical section is connected with the axial through hole of the air inlet joint 3-4; the horizontal section of the air exhaust through hole 3-16 is communicated with the transmission through hole 3-14, and the vertical section is connected with the axial through hole of the air exhaust joint 3-5.
Example 3:
as shown in fig. 1 to 3, in this embodiment, based on embodiment 1, the louver assembly 3 further includes a water-cooling circulation device 3-12, a circulation water channel is disposed around the laser transmission lens 3-2 on the protection device main body 3-1, and the water-cooling circulation device 3-12 is communicated with the circulation water channel.
Example 4:
as shown in fig. 1 to 3, a welding system including the high power vacuum laser welding transmission lens protector according to any one of embodiments 1 to 3, the welding system includes a laser welding head 1, a vacuum chamber assembly 2 and a window assembly 3, a laser beam emitted from the laser welding head 1 is transmitted to a workpiece on a welding table 2-5 in the vacuum chamber assembly 2 through the window assembly 3; the vacuum chamber assembly 2 comprises a vacuum chamber 2-2, a circular through hole for installing a window assembly 3 is formed in the top of the vacuum chamber 2-2, a welding workbench 2-5 is arranged on the inner bottom wall of the vacuum chamber 2-2, the welding workbench 2-5 is used for installing workpieces, the vacuum chamber 2-2 is connected with a vacuum pump set 2-2 through an exhaust pipe 2-4, and a proportional valve 2-3 is arranged on the exhaust pipe 2-4.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The high-power vacuum laser welding transmission lens protection mechanism comprises a window assembly (3), wherein the window assembly (3) is arranged on the top wall of a vacuum chamber (2-2), a laser beam emitted by a laser welding head (1) is transmitted to a workpiece on a welding workbench (2-5) in the vacuum chamber (2-2) through the window assembly (3), the high-power vacuum laser welding transmission lens protection mechanism is characterized in that the window assembly (3) comprises a protection device main body (3-1), the protection device main body (3-1) is connected with the top wall of the vacuum chamber (2-2), an inverted-cone-frustum-shaped transmission through hole (3-14) is formed in the center of the protection device main body (3-1), the laser transmission lens (3-2) is installed on the upper portion of the transmission through hole, and air inlet through holes (3-15) and air inlet through holes (3-14) are formed in two sides of the transmission through hole (3-14 The laser transmission lens is characterized by comprising air exhaust through holes (3-16), the air inlet through holes (3-15) are formed above the air exhaust through holes (3-16), the air inlet through holes (3-15) and the air exhaust through holes (3-16) are formed below the laser transmission lens (3-2), one ends of the air inlet through holes (3-15) are connected with air bottles (3-8), the other ends of the air inlet through holes are communicated with transmission through holes (3-14), one ends of the air exhaust through holes (3-16) are connected with air exhaust pumps (3-7), and the other ends of the air exhaust through holes are communicated with the transmission through holes (3-14).
2. The high power vacuum laser welding transmission lens protection mechanism according to claim 1, characterized in that the outer wall of the protection device main body (3-1) is provided with an air inlet connector (3-4) and an air exhaust connector (3-5), the air inlet through hole (3-15) is connected with the air bottle (3-8) through the air inlet connector (3-4), and the air exhaust through hole (3-16) is connected with the air exhaust pump (3-7) through the air exhaust connector (3-5).
3. The high power vacuum laser welding transmission lens protection mechanism according to claim 2, characterized in that the air inlet joint (3-4) and the air exhaust joint (3-5) are symmetrically arranged on the upper part of the outer wall of the protection device main body (3-1), and the air inlet through hole (3-15) and the air exhaust through hole (3-16) are both L-shaped structures.
4. The high power vacuum laser welding transmission lens protection mechanism according to claim 2, characterized in that the air inlet joint (3-4) is connected with the air bottle (3-8) through a pipeline, the pipeline is provided with the air inlet valve (3-3), the air exhaust joint (3-5) is connected with the air exhaust pump (3-7) through a pipeline, and the pipeline is provided with the air exhaust valve (3-6).
5. The high power vacuum laser welding transmission lens protection mechanism according to claim 1, wherein the upper part of the transmission through hole (3-14) is formed as a second step hole extending radially outward, the laser transmission lens (3-2) is mounted on the lower step of the second step hole, the upper step of the second step hole is used for mounting a lens pressing plate (3-9), the lens pressing plate (3-9) is used for pressing the laser transmission lens (3-2), and the center of the lens pressing plate (3-9) is provided with a through hole.
6. The high power vacuum laser welding transmission lens protection mechanism according to claim 5, characterized in that the lens pressure plate (3-9) is connected with the two step holes through first bolts, and a plurality of o-shaped sealing rings (3-11) are arranged at the upper end and the lower end of the laser transmission lens (3-2).
7. The high power vacuum laser welding transmission lens protection mechanism according to claim 1, characterized in that the protection device body (3-1) is a boss structure with a big top and a small bottom, wherein the small end is used for passing through a circular through hole of the top wall of the vacuum chamber (2-2), and the big end is connected with the top wall of the vacuum chamber (2-2) through a second bolt (3-10).
8. The high power vacuum laser welding transmission lens protection mechanism according to claim 1, characterized in that the gas window assembly (3) further comprises a water cooling circulation device (3-12), a circulation water channel is arranged on the protection device body (3-1) around the laser transmission lens (3-2), and the water cooling circulation device (3-12) is communicated with the circulation water channel.
9. A welding system comprising the high power vacuum laser welding transmission lens protection mechanism according to any one of claims 1-8, characterized in that the welding system comprises a laser welding head (1), a vacuum chamber assembly (2) and a window assembly (3), and a laser beam emitted by the laser welding head (1) is transmitted to a workpiece on a welding table (2-5) in the vacuum chamber assembly (2) through the window assembly (3).
10. The welding system of the high-power vacuum laser welding transmission lens protection mechanism according to claim 9, characterized in that the vacuum chamber assembly (2) comprises a vacuum chamber (2-2), a circular through hole for installing the window assembly (3) is arranged at the top of the vacuum chamber (2-2), a welding workbench (2-5) is arranged on the inner bottom wall of the vacuum chamber (2-2), the welding workbench (2-5) is used for installing workpieces, the vacuum chamber (2-2) is connected with a vacuum pump set (2-2) through an air suction pipe (2-4), and a proportional valve (2-3) is arranged on the air suction pipe (2-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010236283.5A CN111266756A (en) | 2020-03-30 | 2020-03-30 | High-power vacuum laser welding transmission lens protection mechanism and welding system |
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| CN202010236283.5A CN111266756A (en) | 2020-03-30 | 2020-03-30 | High-power vacuum laser welding transmission lens protection mechanism and welding system |
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| CN111266756A true CN111266756A (en) | 2020-06-12 |
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| CN202010236283.5A Withdrawn CN111266756A (en) | 2020-03-30 | 2020-03-30 | High-power vacuum laser welding transmission lens protection mechanism and welding system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113118620A (en) * | 2021-03-31 | 2021-07-16 | 上海交通大学 | Plug-in laser inlet device capable of realizing gas cooling and protection of vacuum laser welding lens |
| CN113245730A (en) * | 2021-06-15 | 2021-08-13 | 徐州诺派激光技术有限公司 | Laser device and laser device cladding capable of treating smoke and dust splash |
| CN113732507A (en) * | 2021-09-14 | 2021-12-03 | 哈尔滨工业大学（威海） | Laser-arc hybrid welding protective gas blowing device for removing laser plasma |
| CN114378446A (en) * | 2022-03-22 | 2022-04-22 | 苏州密尔光子科技有限公司 | Laser processing auxiliary device, method and laser equipment with device |
| CN114473261A (en) * | 2022-02-28 | 2022-05-13 | 哈尔滨工大焊接科技有限公司 | Vacuum laser transmission lens protection system and method |
| DE102021123027A1 (en) | 2021-09-06 | 2023-03-09 | LaVa-X GmbH | Laser processing device |
| GB2612361A (en) * | 2021-11-01 | 2023-05-03 | Aquasium Tech Limited | Laser welding apparatus |
| CN117123920A (en) * | 2022-11-17 | 2023-11-28 | 洛阳船舶材料研究所(中国船舶集团有限公司第七二五研究所) | Partial vacuum sealing device |
| CN117564517A (en) * | 2024-01-15 | 2024-02-20 | 洛阳船舶材料研究所(中国船舶集团有限公司第七二五研究所) | Dynamic smoke protection device for vacuum laser welding |
| CN117564518A (en) * | 2024-01-15 | 2024-02-20 | 洛阳船舶材料研究所(中国船舶集团有限公司第七二五研究所) | Vacuum laser welding device and welding method |
| CN117564517B (en) * | 2024-01-15 | 2024-05-10 | 洛阳船舶材料研究所(中国船舶集团有限公司第七二五研究所) | Dynamic smoke protection device for vacuum laser welding |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113118620B (en) * | 2021-03-31 | 2022-04-01 | 上海交通大学 | Plug-in laser inlet device capable of realizing gas cooling and protection of vacuum laser welding lens |
| CN113118620A (en) * | 2021-03-31 | 2021-07-16 | 上海交通大学 | Plug-in laser inlet device capable of realizing gas cooling and protection of vacuum laser welding lens |
| CN113245730A (en) * | 2021-06-15 | 2021-08-13 | 徐州诺派激光技术有限公司 | Laser device and laser device cladding capable of treating smoke and dust splash |
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Application publication date: 20200612 |