CN114406415A - Titanium alloy pipe welding inflation protection tool - Google Patents
Titanium alloy pipe welding inflation protection tool Download PDFInfo
- Publication number
- CN114406415A CN114406415A CN202210099686.9A CN202210099686A CN114406415A CN 114406415 A CN114406415 A CN 114406415A CN 202210099686 A CN202210099686 A CN 202210099686A CN 114406415 A CN114406415 A CN 114406415A
- Authority
- CN
- China
- Prior art keywords
- pipe
- welding
- welded
- titanium alloy
- gas pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/14—Titanium or alloys thereof
Abstract
The invention discloses a titanium alloy pipe welding inflation protection tool which comprises an air gun, a sealing cover, a supporting pipe and an aluminum foil adhesive tape, wherein the air gun is arranged on the outer side of a circular pipe to be welded, a gun mouth of the air gun points to a welding line, and the air gun is connected with a first gas pipeline; the two sealing covers are respectively covered at two ends of the round pipe to be welded, one sealing cover is provided with an exhaust hole, and the other sealing cover is connected with a second gas pipeline; the supporting pipe is vertically arranged, the upper end of the supporting pipe is provided with an arc pipe orifice matched with the bottom of the round pipe to be welded, and the lower end of the supporting pipe is connected with a third gas pipeline; the aluminum foil adhesive tape covers the periphery of the circular tube to be welded and the gap between the circular tube to be welded and the arc-shaped tube opening, and is hollowed at the welding seam of the circular tube to be welded. The tool can comprehensively and effectively protect the front side and the back side during welding seam welding, ensures the welding quality, and has the advantages of simple structure, light weight, low cost and convenient use.
Description
Technical Field
The invention belongs to the technical field of welding, and particularly relates to an inflation protection tool for welding a titanium alloy pipe.
Background
The titanium alloy material has the characteristics of good high temperature resistance, corrosion resistance, wear resistance, fatigue resistance and light weight, and has wide prospect as a marine material; because of the high chemical activity of titanium, ordinary shielded-arc welding, gas welding, and CO2 gas shielded welding cannot be used. The existing titanium alloy pipe adopts non-consumable electrode argon arc welding gas to be protected to the arc range, and other parts are in the air. When the welding arc moves forward, the welding seam is still in a high-temperature state without argon protection, and the welding seam is very easily polluted by air, moisture and oxide skin, and impurities such as oxygen, nitrogen, hydrogen, carbon and the like are absorbed from the surface of the welding seam, so that the comprehensive mechanical property of the welding seam is rapidly deteriorated, the service performance of the welding seam is influenced, and the use requirement cannot be met.
Disclosure of Invention
The invention aims to provide a titanium alloy pipe welding inflation protection tool which can comprehensively and effectively protect the front side and the back side during welding seam welding, ensures the welding quality, and has the advantages of simple structure, light weight, low cost and convenience in use.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a titanium alloy pipe welding inflation protection tool comprises an air gun, a sealing cover, a supporting pipe and an aluminum foil adhesive tape, wherein the air gun is arranged on the outer side of a circular pipe to be welded, a gun mouth of the air gun points to a welding line, and the air gun is connected with a first gas pipeline for inputting protective gas; the two sealing covers are respectively covered at two ends of the round pipe to be welded, one sealing cover is provided with an exhaust hole, and the other sealing cover is connected with a second gas pipeline for inputting protective gas; the supporting pipe is vertically arranged, an arc-shaped pipe orifice matched with the bottom of the round pipe to be welded is arranged at the upper end of the supporting pipe, and a third gas pipeline for inputting protective gas is connected to the lower end of the supporting pipe; the aluminum foil adhesive tape covers the periphery of the circular tube to be welded and the gap between the circular tube to be welded and the arc-shaped tube opening, and is hollowed at the position of a welding line of the circular tube to be welded by 15-20 mm.
As a preferable scheme of the invention, the titanium alloy pipe welding inflation protection tool further comprises a first sponge block, and the first sponge block is arranged in the round pipe to be welded and is positioned at one side close to the second gas pipeline.
As a preferable scheme of the invention, the titanium alloy pipe welding inflation protection tool further comprises a second sponge block, and the second sponge block is arranged in the supporting pipe and is positioned on one side close to the third gas pipeline.
In a preferred embodiment of the present invention, the support tube is a copper tube.
As a preferable scheme of the present invention, the aluminum foil tape is bonded to the arc-shaped nozzle.
As a preferable aspect of the present invention, the first gas pipeline is provided with a first barometer and a first valve.
As a preferable scheme of the present invention, a second barometer and a second valve are provided on the second gas pipe.
As a preferable embodiment of the present invention, a third barometer and a third valve are disposed on the third gas pipeline.
Compared with the prior art, the titanium alloy pipe welding inflation protection tool provided by the invention has the beneficial effects that:
the titanium alloy pipe welding inflation protection tool can be synchronously matched with the upper part of a direct blowing molten pool when a welding gun is used for welding through the arrangement of the air gun and the first gas pipeline, so that an inert atmosphere is quickly formed near the front surface of a welding line, and fusion welding, cooling and solidification are accelerated; the sealing cover and the second gas pipeline are arranged, so that the round pipe to be welded is filled with protective gas, the omnibearing protection of the back of a welding line in the pipe is realized, and the oxidation of the back of the welding line is prevented; through the arrangement of the supporting pipe, the third gas pipeline and the aluminum foil adhesive tape, the front face of the welding seam of the circular pipe to be welded is always in a protection state, and the circular pipe to be welded is effectively prevented from being exposed to air and oxidized when the circular pipe to be welded rotates. Therefore, the inflation protection tool for welding the titanium alloy pipe can comprehensively and effectively protect the front side and the back side during welding of the weld joint, ensures the welding quality, and has the advantages of simple structure, light weight, low cost and convenience in use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is a schematic structural diagram of a titanium alloy pipe welding inflation protection tool provided by an embodiment of the invention;
fig. 2 is a cross-sectional view taken along the line a-a in the structure shown in fig. 1.
The labels in the figure are:
1. an air gun; 2. a sealing cover 21 and an exhaust hole; 3. a support tube 31, an arc-shaped tube orifice; 4. an aluminum foil tape; 5. a first gas conduit, 51, a first barometer, 52, a first valve; 6. a second gas conduit, 61, a second barometer; 62. a second valve; 7. a third gas line, 71, a third barometer, 72, a third valve; 8. a first sponge block; 9. a second sponge block; 10. a round tube to be welded; 11. welding seams; 12. and (4) welding the welding gun.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 1 and fig. 2, the inflation protection tool for welding the titanium alloy tube according to the preferred embodiment of the present invention includes a gas lance 1, a sealing cover 2, a supporting tube 3 and an aluminum foil tape 4, wherein the gas lance 1 is disposed on the outer side of a circular tube 10 to be welded, and the mouth of the gas lance points to a weld 11, and the gas lance 1 is connected to a first gas pipeline 5 through which a protection gas can be input; the two sealing covers 2 are respectively covered at two ends of the round tube 10 to be welded, one sealing cover 2 is provided with an exhaust hole 21, and the other sealing cover 2 is connected with a second gas pipeline 6 for inputting protective gas; the supporting pipe 3 is vertically arranged, an arc-shaped pipe orifice 31 matched with the bottom of the round pipe 10 to be welded is arranged at the upper end of the supporting pipe 3, and a third gas pipeline 7 for inputting protective gas is connected to the lower end of the supporting pipe 3; the aluminum foil adhesive tape 4 covers the periphery of the circular tube 10 to be welded and the gap between the circular tube 10 to be welded and the arc-shaped tube opening 31, and is hollowed at the position of the welding line 11 of the circular tube 10 to be welded by 15-20 mm.
When the welding device is used, firstly, the sealing cover 2 is used for plugging two ends of the circular tube 10 to be welded, then the circular tube 10 to be welded is placed on the arc-shaped tube opening 31 of the supporting tube 3, the welding seam 11 of the circular tube 10 to be welded just falls into the arc-shaped tube opening 31, the aluminum foil adhesive tape 4 is used for covering the periphery of the circular tube 10 to be welded and the gap between the circular tube 10 to be welded and the arc-shaped tube opening 31, and the aluminum foil adhesive tape 4 is bonded with the arc-shaped tube opening 31 but not bonded with the circular tube 10 to be welded so as to facilitate the rotation of the circular tube 10 to be welded; connecting a first gas pipeline 5, a second gas pipeline 6 and a third gas pipeline 7, aligning the gas lance 1 to the position of a welding seam 11, and preparing for welding; before welding, protective gas is input into the circular tube 10 to be welded and the supporting tube 3, and after air in the tubes is exhausted, the circular tube 10 to be welded starts to rotate for welding.
Therefore, the titanium alloy pipe welding inflation protection tool can be synchronously matched with the upper part of a direct-blowing molten pool when a welding gun 12 is used for welding through the arrangement of the air gun 1 and the first gas pipeline 5, so that an inert atmosphere is quickly formed near the front surface of a welding line 11, and fusion welding, cooling and solidification are accelerated; through the arrangement of the sealing cover 2 and the second gas pipeline 6, the circular tube 10 to be welded is filled with protective gas, so that the comprehensive protection of the back of the welding seam 11 in the tube is realized, and the oxidation of the back of the welding seam 11 is prevented; through the arrangement of the supporting pipe 3, the third gas pipeline 7 and the aluminum foil tape 4, the front surface of the welding seam 11 of the circular pipe 10 to be welded is always in a protection state, and the circular pipe 10 to be welded is effectively prevented from being exposed to air and oxidized when being rotated. Therefore, the inflation protection tool for welding the titanium alloy pipe can comprehensively and effectively protect the front side and the back side of the welding seam 11 during welding, ensures the welding quality, and has the advantages of simple structure, light weight, low cost and convenience in use.
Illustratively, the inflation protection tool for welding the titanium alloy pipe further comprises a first sponge block 8, and the first sponge block 8 is arranged in the circular pipe 10 to be welded and is positioned at one side close to the second gas pipeline 6. Therefore, through the arrangement of the first sponge block 8, the protective gas can be uniformly filled in the round tube 10 to be welded to form an inert atmosphere.
Illustratively, the inflation protection tool for welding the titanium alloy pipe further comprises a second sponge block 9, wherein the second sponge block 9 is arranged in the supporting pipe 3 and is positioned at one side close to the third gas pipeline 7. Thus, the second sponge block 9 is provided, so that the support tube 3 is uniformly filled with the protective gas to form an inert atmosphere.
Illustratively, the support tube 3 is preferably a copper tube.
For better control of the protective gas feed, a first gas pressure gauge 51 and a first valve 52 are provided in the first gas line 5.
For better control of the protective gas supply, a second gas pressure gauge 61 and a second valve 62 are provided in the second gas line 6.
For better control of the protective gas feed, a third gas pressure gauge 71 and a third valve 72 are provided on the third gas line 7.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a protection frock is aerifyd in titanium alloy pipe welding which characterized in that includes:
the gas gun is arranged on the outer side of the circular tube to be welded, the gun mouth of the gas gun points to the welding line, and the gas gun is connected with a first gas pipeline for inputting protective gas;
two sealing covers are arranged and respectively cover two ends of the round pipe to be welded, one sealing cover is provided with an exhaust hole, and the other sealing cover is connected with a second gas pipeline for inputting protective gas;
the supporting pipe is vertically arranged, an arc-shaped pipe orifice matched with the bottom of the round pipe to be welded is arranged at the upper end of the supporting pipe, and a third gas pipeline for inputting protective gas is connected to the lower end of the supporting pipe;
the aluminum foil adhesive tape covers the periphery of the circular tube to be welded and the gap between the circular tube to be welded and the arc-shaped tube opening, and is hollowed at the position of a welding line of the circular tube to be welded by 15-20 mm.
2. The inflation protection tool for welding the titanium alloy pipe according to claim 1, further comprising a first sponge block, wherein the first sponge block is arranged in the round pipe to be welded and is positioned on one side close to the second gas pipeline.
3. The inflation protection tool for welding the titanium alloy pipe according to claim 1 or 2, further comprising a second sponge block, wherein the second sponge block is arranged in the supporting pipe and is positioned on one side close to the third gas pipeline.
4. The titanium alloy pipe welding inflation protection tool according to claim 1, wherein the supporting pipe is a copper pipe.
5. The titanium alloy pipe welding inflation protection tool according to claim 1, wherein the aluminum foil tape is bonded to the arc-shaped pipe opening.
6. The titanium alloy pipe welding inflation protection tool according to claim 1, wherein a first barometer and a first valve are arranged on the first gas pipeline.
7. The inflation protection tool for welding the titanium alloy pipe according to claim 1, wherein a second barometer and a second valve are arranged on the second gas pipeline.
8. The inflation protection tool for welding the titanium alloy pipe according to claim 1, wherein a third barometer and a third valve are arranged on the third gas pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210099686.9A CN114406415A (en) | 2022-01-27 | 2022-01-27 | Titanium alloy pipe welding inflation protection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210099686.9A CN114406415A (en) | 2022-01-27 | 2022-01-27 | Titanium alloy pipe welding inflation protection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114406415A true CN114406415A (en) | 2022-04-29 |
Family
ID=81279714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210099686.9A Pending CN114406415A (en) | 2022-01-27 | 2022-01-27 | Titanium alloy pipe welding inflation protection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114406415A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202004019719U1 (en) * | 2004-12-22 | 2005-04-07 | K B Schweismaschinen Vermietun | Device for flooding connected tubes with gas comprises a body arranged in the tubes having an outlet opening for the gas, sealing elements delimiting a flooding chamber and removal elements for removing protective gas |
| CN102632331A (en) * | 2012-04-24 | 2012-08-15 | 中国核工业华兴建设有限公司 | Argon arc welding protection drag shield of half-surrounding titanium pipeline |
| CN203830949U (en) * | 2014-04-28 | 2014-09-17 | 中国化学工程第七建设有限公司 | Pipeline welding front-face gas protection device |
| CN105234532A (en) * | 2015-10-23 | 2016-01-13 | 无锡明燕装备有限公司 | Titanium heat exchanger welding process and tools thereof |
| CN111673238A (en) * | 2020-05-12 | 2020-09-18 | 中船澄西船舶修造有限公司 | Stainless steel pipe welding back protection inflation tool |
| CN113275715A (en) * | 2021-05-08 | 2021-08-20 | 渤海造船厂集团有限公司 | Visual, measurable and adjustable back weld forming inflation protection device and method |
-
2022
- 2022-01-27 CN CN202210099686.9A patent/CN114406415A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202004019719U1 (en) * | 2004-12-22 | 2005-04-07 | K B Schweismaschinen Vermietun | Device for flooding connected tubes with gas comprises a body arranged in the tubes having an outlet opening for the gas, sealing elements delimiting a flooding chamber and removal elements for removing protective gas |
| CN102632331A (en) * | 2012-04-24 | 2012-08-15 | 中国核工业华兴建设有限公司 | Argon arc welding protection drag shield of half-surrounding titanium pipeline |
| CN203830949U (en) * | 2014-04-28 | 2014-09-17 | 中国化学工程第七建设有限公司 | Pipeline welding front-face gas protection device |
| CN105234532A (en) * | 2015-10-23 | 2016-01-13 | 无锡明燕装备有限公司 | Titanium heat exchanger welding process and tools thereof |
| CN111673238A (en) * | 2020-05-12 | 2020-09-18 | 中船澄西船舶修造有限公司 | Stainless steel pipe welding back protection inflation tool |
| CN113275715A (en) * | 2021-05-08 | 2021-08-20 | 渤海造船厂集团有限公司 | Visual, measurable and adjustable back weld forming inflation protection device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102699484B (en) | Method for welding titanium composites for titanium-steel composite plates | |
| CN106425090A (en) | Laser welding gas protective device used for aluminum alloy parts | |
| CN105252120B (en) | A kind of stainless steel cylinder liner circular-seam welding method | |
| CN111872520A (en) | Titanium alloy butt fusion electrode inert gas protection welding device and welding process | |
| CN111872518B (en) | Full penetration welding method for web and shell of 304L stainless steel T-shaped reinforcing ring | |
| CN201783751U (en) | Water-cooling protective cover for plasma welding machine for titanium sponge electrodes | |
| CN207255428U (en) | New titanium tube welding protection cover | |
| CN113695716A (en) | Small-size welding protection device based on titanium alloy TIG welding | |
| CN114406415A (en) | Titanium alloy pipe welding inflation protection tool | |
| CN201524872U (en) | Tail-gas protective shield for girth automatic welding of titanium alloys or high temperature alloys | |
| CN104289796B (en) | A kind of additional weld compensates the device and method of protective gas | |
| CN201220321Y (en) | Air-cooling and water-cooling double-purpose argon welding gun combination | |
| CN202356769U (en) | Titanium alloy part argon arc welding seam protector | |
| CN112872642A (en) | Flexible protection method for titanium alloy welding back | |
| KR20090109717A (en) | The Method and System of Plasma Arc Melt-in Welding of Lap Joints with Fe-36%Ni alloys using Ar gas | |
| CN215658355U (en) | Argon protection device for titanium and titanium alloy pipeline GTAW welded argon arc welding gun | |
| CN113042854B (en) | Titanium alloy pipe fitting welding method | |
| CN212946025U (en) | Gas protection device for narrow-gap laser wire filling welding of large-thickness titanium alloy plate | |
| CN217343969U (en) | Argon arc welding gun gas protection device for titanium alloy welding | |
| CN113458550A (en) | Intelligent robot welding jig | |
| CN219274866U (en) | Gas shielded welding frock | |
| CN216298244U (en) | Small-size welding protection device based on titanium alloy TIG welding | |
| CN209532383U (en) | A kind of tungsten argon arc welding protective hood | |
| CN212470414U (en) | Novel welded tube outer wall welding protection device | |
| CN215966815U (en) | Gas protection device for longitudinal butt welding joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |