CN206455324U - Water-cooled titanium tube welding gas protective cover - Google Patents
Water-cooled titanium tube welding gas protective cover Download PDFInfo
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- CN206455324U CN206455324U CN201720153560.XU CN201720153560U CN206455324U CN 206455324 U CN206455324 U CN 206455324U CN 201720153560 U CN201720153560 U CN 201720153560U CN 206455324 U CN206455324 U CN 206455324U
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- water
- cooled
- layer
- protective cover
- circular arc
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Abstract
The utility model belongs to titanium tube welding technology field; specifically related to a kind of water-cooled titanium tube welding gas protective cover; including circular arc shell; described circular arc shell is closed hollow structure; circular arc enclosure includes the gentle screen layers of water-cooled layer; water-cooled layer connects feed tube and drain pipe; air sifter layer connection gas introduction tube; the lower surface of air sifter layer is provided with air sifter hole; side, which is provided with the outside of venthole, venthole, is provided with welding gun fixing device, can cool down welding temperature; prevent titanium from being aoxidized in welding process, it is ensured that welding quality.
Description
Technical field
The utility model belongs to titanium tube welding technology field, and in particular to a kind of water-cooled titanium tube welding gas protective cover.
Background technology
The features such as titanium tube has intensity height, calorific intensity height, good corrosion stability, low temperature performance well, big chemism, extensively should
For heat-exchange apparatus, but titanium is very sensitive to temperature, ensures the key of welding quality in titanium tube welding process and is
Problem of oxidation, in titanium tube welding process, titanium is easily aoxidized, the ground of the temperature more than 300 DEG C in weld dimensions domain
Side is required for protection, if titanium tube is aoxidized in welding process, to be gently then chemically treated, heavy then cause product rejection.
By field test observation show, titanium about start at 250 DEG C inhale hydrogen, 400 DEG C start oxygen uptake, 600 DEG C start inhale nitrogen, and
The welding gas protective cover used now, is that protective cover directly is positioned over into titanium tube outer wall, such as " one kind is fixed for Chinese invention patent
The titanium tube welding gas protective cover of welding gun ", application number：201210410618.6, publication No.：The A of CN 102909465, publication date
Phase is on 2 6th, 2013, and the titanium tube welding gas protective cover of described fixation welding gun is by circular arc shell, gas introduction tube, solid
Determine ring, welding gun fixing device, internal air sifter layer and lateral grooves composition, wherein gas introduction tube, retainer ring, welding gun fixing device
The upper surface of circular arc shell is fixed on, circular arc shell and internal air sifter layer are integral by being welded to connect, circular arc shell
Both sides be provided with lateral grooves, the titanium tube welding gas protective cover is in welding process, because temperature is constantly raised, titanium
Sensitiveness it can be made to absorb oxygen cause the oxidation of weld, influence the quality of product, thus prior art need it is further
Improvement.
The content of the invention
The purpose of this utility model is that welding temperature can be cooled down by providing one kind, prevent titanium oxygen in welding process
Change, it is ensured that the water-cooled titanium tube welding gas protective cover of welding quality.
Based on above-mentioned purpose, the utility model is adopted the following technical scheme that：
A kind of water-cooled titanium tube welding gas protective cover, including circular arc shell, described circular arc shell are closed
Hollow structure, circular arc enclosure includes the gentle screen layers of water-cooled layer, water-cooled layer connection feed tube and drain pipe, air sifter layer connection
Gas introduction tube, the lower surface of air sifter layer is provided with air sifter hole, sideways provided with venthole, and dress is fixed provided with welding gun on the outside of venthole
Put.
Further, the gentle screen layers of described water-cooled layer be separated by length direction of the barrier piece along circular arc shell and
Into water-cooled layer is located at the upside of air sifter layer.
Further, described feed tube and woven hose are located at water-cooled layer both sides respectively.
Further, described gas introduction tube is fixed on air sifter layer upside and stretches out circular arc shell through water-cooled layer.
Further, described welding gun fixing device includes retainer ring, screw bolt and nut, retainer ring lateral wall welded nut
And provided with through hole corresponding with nut bore, bolt-through nut and through hole, form fastening structure.
Further, described air sifter layer is internal is provided with gas-filtering device.
Further, described gas-filtering device is the metal filter screen of 40 mesh.
Further, described circular arc shell is made by copper.
The utility model is that water cooling plant is provided with a kind of water-cooled titanium tube welding gas protective cover, its circular arc shell,
Welding temperature can be reduced rapidly in welding process, prevent titanium from aoxidizing in the case of a high temperature, outside described circular arc
Shell is closed hollow structure, and air sifter layer is also closed hollow structure, and inert gas is by air sifter layer from venthole and air sifter
Hole is discharged, and due to being welding gun fixing device on the outside of venthole, therefore inert gas is substantial amounts of from venthole discharge, can be abundant
Protecting titanium, other gases are not contacted with oxygen, nitrogen and hydrogen etc. in welding process, and the utility model is in air sifter layer
Provided with metal filter screen, the impurity effect welding quality in gas is prevented, described circular arc shell is made by copper metal,
Accelerate the radiating of welding process, it is ensured that welding quality.
Brief description of the drawings
Fig. 1 structural representations of the present utility model；
Fig. 2 is Fig. 1 top view.
Embodiment
As shown in Figure 1-2, a kind of water-cooled titanium tube welding gas protective cover, including circular arc shell 1, described circular arc
Shell 1 is closed hollow structure, is welded by 2mm copper sheet, by barrier piece 2 along circular arc inside circular arc shell 1
The length direction of shell 1 is separated into the gentle screen layers 102 of water-cooled layer 101, and the gentle screen layers 102 of water-cooled layer 101 are closed hollow knot
Structure, water-cooled layer 101 is located at the upside of air sifter layer 102, and two relative sides of water-cooled layer 101 are respectively welded feed tube 3 and go out liquid
Pipe 4, feed tube 3 be located at the leading flank of water-cooled layer 101 right-hand member, drain pipe 4 be located at the trailing flank of water-cooled layer 101 left end, cold water from
Feed tube 3 flows out into after being full of water-cooled layer 101 from drain pipe 4, described air sifter 102 upper surface welding gas ingress pipe 8 of layer,
The gas introduction tube 8 runs through water-cooled layer 101 and stretches out the outside of circular arc shell 1, and the 40 mesh copper that have three layers are set inside air sifter layer 102
Silk screen pack 5, lower surface is additionally provided with air sifter hole, and left surface is provided with venthole 6, and the described outside of venthole 6 is fixed provided with welding gun
Device, the welding gun fixing device includes retainer ring 701, bolt 702 and nut 703, and described retainer ring 701 is by rectangle gold
Category piece, which is enclosed, to be formed, and the lateral wall welded nut 703 of retainer ring 701 is simultaneously provided with through hole corresponding with nut bore, and bolt 702 runs through spiral shell
Mother 703 and through hole, form fastening structure.
In use, water-cooled titanium tube welding gas protective cover is directly overlayed into titanium tube surface, retainer ring 701 is directed at titanium
Pipe needs weld, and cold water is passed through into feed tube 3, and cold water flows out from drain pipe 4, imported to gas again into water-cooled layer 101
Argon gas is passed through in pipe 8, argon gas enters air sifter layer 102 and from the discharge of the gentle sieve aperture of venthole 6, welding rifle is positioned over into retainer ring
In 701, rotating bolt 702, bolt 702 makes welding rifle be fixed on inside retainer ring 701 to moving inside retainer ring 701, welds
When, cold water and argon gas keep being passed through, and are welded, and argon gas can reduce other gases such as oxygen in welding process, hydrogen, nitrogen
Occur oxidation reaction with titanium, improve welding quality, the non-waste product welding effect of reduction notable.
Claims (8)
1. a kind of water-cooled titanium tube welding gas protective cover, it is characterised in that including circular arc shell, described circular arc shell
For closed hollow structure, circular arc enclosure includes the gentle screen layers of water-cooled layer, water-cooled layer connection feed tube and drain pipe, gas
Screen layers connect gas introduction tube, and the lower surface of air sifter layer is provided with air sifter hole, sideways provided with venthole, and welding gun is provided with the outside of venthole
Fixing device.
2. a kind of water-cooled titanium tube welding gas protective cover according to claim 1, it is characterised in that described water-cooled layer
Gentle screen layers are that the length direction by barrier piece along circular arc shell is separated, and water-cooled layer is located at the upside of air sifter layer.
3. a kind of water-cooled titanium tube welding gas protective cover according to claim 1, it is characterised in that described feed tube
It is located at water-cooled layer both sides respectively with woven hose.
4. a kind of water-cooled titanium tube welding gas protective cover according to claim 1, it is characterised in that described gas is led
Enter pipe to be fixed on air sifter layer upside and stretch out circular arc shell through water-cooled layer.
5. a kind of water-cooled titanium tube welding gas protective cover according to claim 1, it is characterised in that described welding gun is consolidated
Determining device includes retainer ring, and screw bolt and nut, retainer ring lateral wall welded nut is simultaneously provided with through hole corresponding with nut bore, bolt
Through nut and through hole, fastening structure is formed.
6. a kind of water-cooled titanium tube welding gas protective cover according to claim 1, it is characterised in that described air sifter layer
Inside is provided with gas-filtering device.
7. a kind of water-cooled titanium tube welding gas protective cover according to claim 6, it is characterised in that described gas mistake
Filter the metal filter screen that device is 40 mesh.
8. a kind of water-cooled titanium tube welding gas protective cover according to claim 1, it is characterised in that described circular arc
Shell is made by copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720153560.XU CN206455324U (en) | 2017-02-21 | 2017-02-21 | Water-cooled titanium tube welding gas protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720153560.XU CN206455324U (en) | 2017-02-21 | 2017-02-21 | Water-cooled titanium tube welding gas protective cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206455324U true CN206455324U (en) | 2017-09-01 |
Family
ID=59691418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720153560.XU Expired - Fee Related CN206455324U (en) | 2017-02-21 | 2017-02-21 | Water-cooled titanium tube welding gas protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206455324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545904A (en) * | 2020-05-13 | 2020-08-18 | 南京航空航天大学 | Rapid cooling system for double-laser-beam bilateral synchronous welding process |
-
2017
- 2017-02-21 CN CN201720153560.XU patent/CN206455324U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545904A (en) * | 2020-05-13 | 2020-08-18 | 南京航空航天大学 | Rapid cooling system for double-laser-beam bilateral synchronous welding process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 |
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| CF01 | Termination of patent right due to non-payment of annual fee |