CN220196603U - Titanium alloy laser welding gas protection device - Google Patents
Titanium alloy laser welding gas protection device Download PDFInfo
- Publication number
- CN220196603U CN220196603U CN202321710224.2U CN202321710224U CN220196603U CN 220196603 U CN220196603 U CN 220196603U CN 202321710224 U CN202321710224 U CN 202321710224U CN 220196603 U CN220196603 U CN 220196603U
- Authority
- CN
- China
- Prior art keywords
- glass cover
- protection device
- gas
- laser welding
- boss
- 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.)
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Links
- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 14
- HSFWRNGVRCDJHI-UHFFFAOYSA-N Acetylene Chemical compound C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 45
- 239000011521 glass Substances 0.000 claims abstract description 31
- 230000001681 protective effect Effects 0.000 claims abstract description 29
- 238000009423 ventilation Methods 0.000 claims abstract description 26
- 239000011241 protective layer Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 31
- 238000007664 blowing Methods 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Laser Beam Processing (AREA)
- Arc Welding In General (AREA)
Abstract
The utility model discloses a titanium alloy laser welding gas protection device, which relates to the technical field of welding assistance and comprises a laser welding gun, wherein a coaxial gas protection device is arranged at the end part of the laser welding gun; the gas protection device comprises a glass cover, a ventilation plate, a protection sleeve, a round nut, a thread plate, a baffle and screws, wherein the upper part of the side wall of the glass cover is provided with a gas inlet, the protection sleeve is of an inverted cone structure, a boss is arranged in the protection sleeve, and the side walls of the protection sleeve, which are positioned on the upper part and the lower part of the boss, are provided with external threads. The gas protection device is composed of the glass cover, the ventilation plate, the protective sleeve, the round nut, the threaded plate, the baffle plate and the screw, and is simple in structure, convenient to assemble and disassemble and convenient to maintain; the ventilation plate uniformly covers the periphery of the welding seam with protective gas to form a gas protective layer, the welding seam is protected from being influenced by air, joint embrittlement and internal quality air hole exceeding caused by the welding seam are avoided, and the quality of the welding seam is improved.
Description
Technical Field
The utility model relates to the technical field of welding assistance, in particular to a titanium alloy laser welding gas protection device.
Background
Laser welding is widely applied in a plurality of industries at present, and auxiliary gas protection is adopted in the welding process to have important influence on welding quality, and common gas protection modes in the prior art are side-blowing gas protection and coaxial gas protection; the side blowing gas protection is generally to set the blowing device at one side of the welding head, and the protection gas blows to the welding seam at a certain angle, but because the blowing angle is relatively fixed, the protection can be performed only in one direction, the positioning accuracy is low, the protection effect on the welding seam is unstable, and the adaptability to complex welding seams is poor; most of the existing coaxial gas shields cannot protect high-temperature areas around welding, the gas outlet amount is uneven, and the device is complex in structure.
Therefore, a gas protection device for titanium alloy laser welding is specifically provided.
Disclosure of Invention
The utility model mainly aims to provide a titanium alloy laser welding gas protection device which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the titanium alloy laser welding gas protection device comprises a laser welding gun, wherein a coaxial gas protection device is arranged at the end part of the laser welding gun;
the gas protection device comprises a glass cover, a ventilation plate, a protection sleeve, round nuts, a thread plate, a baffle plate and screws, wherein the upper part of the side wall of the glass cover is provided with a gas inlet, the protection sleeve is of an inverted cone structure, the middle part of the protection sleeve is provided with a boss, and the side walls of the protection sleeve, which are positioned at the upper part and the lower part of the boss, are provided with external threads;
the utility model discloses a laser welder, including glass cover, screw plate, protection sleeve, screw plate and laser welder outer wall threaded connection, protection sleeve and baffle fixed connection are as an organic whole and are connected with the screw plate through the screw, the boss card of glass cover and protection sleeve is fixed spacing through round nut, ventilation plate threaded connection is in protection sleeve boss below, a plurality of gas pockets have been seted up on the ventilation plate.
Further preferably, the glass cover, the ventilation plate and the protective sleeve enclose a sealed cavity, and the air inlet is communicated with the sealed cavity.
Preferably, the upper end of the glass cover is provided with a bulge corresponding to the boss of the protective sleeve, and the glass cover is connected with the protective sleeve through the cooperation of the bulge and the boss.
Preferably, the side wall of the ventilation plate is tightly attached to the inner wall of the glass cover.
Compared with the prior art, the utility model has the following beneficial effects:
the gas protection device is composed of the glass cover, the ventilation plate, the protective sleeve, the round nut, the threaded plate, the baffle plate and the screw, and is simple in structure, convenient to assemble and disassemble and convenient to maintain; the ventilation plate uniformly covers the periphery of the welding seam with protective gas to form a gas protective layer, the welding seam is protected from being influenced by air, joint embrittlement and internal quality air hole exceeding caused by the welding seam are avoided, and the quality of the welding seam is improved.
Drawings
FIG. 1 is a top view of the present utility model;
fig. 2 is a cross-sectional view of the present utility model.
Parts and numbers in the figure:
1-a laser welding gun; 2-a glass cover; 3-a ventilation plate; 4-protecting sleeve; 5-round nuts; 6-screw thread plate; 7-a baffle; 8-screws; 9-sealing the cavity; 201-air inlet; 301-air holes.
Detailed Description
The utility model is further illustrated, but not limited, by the following figures and examples, any technical solution based on transformation or reasoning of the utility model falling within the scope of protection of the utility model.
1-2, the utility model is a titanium alloy laser welding gas protection device, comprising a laser welding gun 1, wherein the end part of the laser welding gun 1 is provided with a coaxial gas protection device;
the gas protection device comprises a glass cover 2, a ventilation plate 3, a protection sleeve 4, a round nut 5, a thread plate 6, a baffle 7 and a screw 8, wherein the upper part of the side wall of the glass cover 2 is provided with a gas inlet 201, the protection sleeve 4 is of an inverted cone structure, the middle part of the protection sleeve 4 is provided with a boss, and the side walls of the protection sleeve 4, which are positioned at the upper part and the lower part of the boss, are provided with external threads;
the screw plate 6 is in threaded connection with the outer wall of the laser welding gun 1, the protective sleeve 4 is fixedly connected with the baffle 7 into a whole and is connected with the screw plate 6 through the screw 8, the glass cover 2 is clamped with the boss of the protective sleeve 4 and is fixedly limited through the round nut 5, the ventilation plate 3 is in threaded connection with the lower part of the boss of the protective sleeve 4, and a plurality of air holes 301 are formed in the ventilation plate 3.
Further preferably, the glass cover 2, the ventilation plate 3 and the protective sleeve 4 enclose a sealed cavity 9, and the air inlet 201 is communicated with the sealed cavity 9.
Preferably, the upper end of the glass cover 2 is provided with a bulge corresponding to the boss of the protective sleeve 4, and the glass cover 2 is connected with the protective sleeve 4 through the cooperation of the bulge and the boss.
Preferably, the side wall of the ventilation plate 3 is tightly attached to the inner wall of the glass cover 2.
The inert gas commonly used for laser welding is introduced from the air inlet 201, the air inlet 201 is communicated with a sealed cavity 9 formed by encircling the glass cover 2, the ventilation plate 3 and the protective sleeve 4, the protective gas flows and gathers in the sealed cavity 9, the gas is dispersed into the air holes 301 of the ventilation plate 3 by the internal air pressure generated by the continuously-rushed gas and continuously and stably and evenly output to the air holes 301 of the ventilation plate 3, the flowing gas is converged on a base material in a divergent mode, a gas protective barrier with the diameter of the glass cover 2 is formed on the base material and covers the periphery of a welding seam, in the moving direction of a welding gun, the protective gas at the front end of the welding gun can remove air, the influence of the air on the welding seam is reduced, the gas at the rear end of the welding gun protects the welding seam from air oxidation, the welding seam is in a protective state, and the influence of the air on the welding seam is reduced; the bulge at the upper end of the glass cover 2 is clamped on the boss in the middle of the protective sleeve 4 and is fixed through a round nut 5, the protective sleeve 4 and the baffle 7 are of an integrated structure, the protective sleeve is fixed with the thread plate 6 through a screw 8, and the thread plate 6 is connected with the laser welding gun 1 through threads; the device solves the problems of embrittlement of a weld joint, exceeding of internal quality air holes and the like caused by oxidation of air on the weld joint with poor protection effect due to insufficient gas protection of the weld joint because of too high welding speed during the titanium alloy laser welding in the prior art, and is also suitable for gas protection of titanium alloy argon arc welding.
The gas protection device is composed of the glass cover 2, the ventilation plate 3, the protective sleeve 4, the round nut 5, the thread plate 6, the baffle 7 and the screw 8, and has simple structure, convenient assembly and disassembly and convenient maintenance; the ventilation plate 3 uniformly covers the periphery of the welding seam with protective gas to form a gas protective layer, the welding seam is protected from air, joint embrittlement and internal quality air hole exceeding caused by the welding seam are avoided, and the quality of the welding seam is improved.
The foregoing shows and describes the basic principles and main features of the present utility model and its advantages. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a titanium alloy laser welding gas protection device, includes laser welder (1), its characterized in that: the end part of the laser welding gun (1) is provided with a coaxial gas protection device;
the gas protection device comprises a glass cover (2), a ventilation plate (3), a protection sleeve (4), round nuts (5), a thread plate (6), a baffle plate (7) and screws (8), wherein the upper part of the side wall of the glass cover (2) is provided with a gas inlet (201), the protection sleeve (4) is of an inverted cone structure, a boss is arranged at the middle part of the protection sleeve, and external threads are arranged on the side walls of the upper part and the lower part of the boss of the protection sleeve (4);
screw thread board (6) and laser welder (1) outer wall threaded connection, protective sheath (4) and baffle (7) fixed connection are as an organic whole and are connected with screw thread board (6) through screw (8), boss card and through round nut (5) fixed spacing of glass cover (2) and protective sheath (4), ventilation board (3) threaded connection is in the boss below of protective sheath (4), a plurality of gas pockets (301) have been seted up on ventilation board (3).
2. A titanium alloy laser welding gas protection device as defined in claim 1, wherein: the glass cover (2), the ventilation plate (3) and the protective sleeve (4) are enclosed to form a sealed cavity (9), and the air inlet (201) is communicated with the sealed cavity (9).
3. A titanium alloy laser welding gas protection device according to claim 1 or 2, characterized in that: the upper end of the glass cover (2) is provided with a bulge corresponding to the boss of the protective sleeve (4), and the glass cover (2) is connected with the protective sleeve (4) through the cooperation of the bulge and the boss.
4. A titanium alloy laser welding gas protection device according to claim 1 or 2, characterized in that: the side wall of the ventilation plate (3) is tightly attached to the inner wall of the glass cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321710224.2U CN220196603U (en) | 2023-07-03 | 2023-07-03 | Titanium alloy laser welding gas protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321710224.2U CN220196603U (en) | 2023-07-03 | 2023-07-03 | Titanium alloy laser welding gas protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220196603U true CN220196603U (en) | 2023-12-19 |
Family
ID=89145420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321710224.2U Active CN220196603U (en) | 2023-07-03 | 2023-07-03 | Titanium alloy laser welding gas protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220196603U (en) |
-
2023
- 2023-07-03 CN CN202321710224.2U patent/CN220196603U/en active Active
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