CN207888035U - A kind of high-power high fusion penetration TIG welding guns - Google Patents
A kind of high-power high fusion penetration TIG welding guns Download PDFInfo
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- CN207888035U CN207888035U CN201820316879.4U CN201820316879U CN207888035U CN 207888035 U CN207888035 U CN 207888035U CN 201820316879 U CN201820316879 U CN 201820316879U CN 207888035 U CN207888035 U CN 207888035U
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Abstract
The utility model is related to welding technology fields, more particularly to a kind of high-power high fusion penetration TIG welding guns.The TIG welding guns include the structures such as main gun body, lower gun body, insulator, tungsten electrode folder and baffle.The electromagnetic force that high-power high fusion penetration TIG welding guns disclosed by the utility model are formed by high current is to electric arc compression and gas to the dual compression of the weak compression of electric arc, reduce the angle of flare of electric arc, improve the energy density of electric arc, to improve the fusion penetration penetration capacity of electric arc, stable high fusion penetration penetration weld is realized.
Description
Technical field
The utility model is related to welding technology fields, more particularly to a kind of high-power high fusion penetration TIG welding guns.
Background technology
TIG weld be also known as inert gas tungsten electrode protection weldering, refer under protection of argon gas, using electric arc heat fusing base material and
Filler wire and the welding method for forming connector.Since this method has arc stability, without welding slag, the smooth beautiful, welding of weld seam
The features such as quality is high has been widely used in metal welding field, is that the preferred welding of the noble metals such as stainless steel, titanium alloy is set
It is standby.
The electric arc of conventional TIG is to belong to free electric arc at present, and energy density is low, and welding penetration is shallow, general throat thickness
Less than 4mm, corresponding thicker metallic plate needs dozen groove to be welded, the filling welding of such multiple tracks, low with welding efficiency,
Easily there are the weld defects such as stomata and crackle, has greatly dropped low welding quality.Under regular situation, TIG weld is increasing electric current
When welding, since arc energy density is low, penetration capacity is weak, and thick workpiece often will appear molten bath under non-penetrativity and disturb
The scenes such as dynamic, molten iron splashing, to carry out normal weld, thus cannot achieve thick plates.Simultaneously currently on the market
There is the low phenomenon of starting the arc efficiency more in the welding gun of high current, these are all that those skilled in the art do not expect to see.
Utility model content
In view of the above problems, the utility model discloses a kind of TIG welding guns of high-power high fusion penetration, specific skills
Art scheme is as follows：
A kind of high-power high fusion penetration TIG welding guns, including：
Main gun body is set to the inside of the TIG welding guns；
Lower gun body is set to the lower end of the TIG welding guns；
Insulator is fixedly connected between the main gun body and the lower gun body；
Tungsten electrode presss from both sides, and is set in the main gun body；And
Baffle is set to the outside of the tungsten electrode folder；
Wherein, it is provided with first annular cooling water channel and gas passage in the main gun body, is provided in the lower gun body
Second annular cooling water road.
The gas passage is divided into two parts, and a part is set to the center of the main gun body, be connected to the tungsten electrode folder and
The baffle；Another part is set to the side of the main gun body, is connected to the guarantor of the main gun body and insulator composition
Protect gas channel.
Further, the upper end of the main gun body is provided with gas interface, the first minor arc binding post and the second minor arc wiring
Column；The inside of the first minor arc binding post and the second minor arc binding post is respectively arranged with the first water stream channel and the second water
Circulation road, first water stream channel and second water stream channel and the first annular cooling water channel and second annular
Cooling duct connects, and constitutes water-cooling loop.
Further, the lower end outside of the lower gun body is provided with protective cover.
Further, the baffle is internally provided with ion-gas channel.
Further, it is provided with screw thread on the outside of the baffle, for locking tungsten electrode folder.
Further, the TIG welding guns further include pikestaff.
Further, the tungsten electrode folder is the tungsten electrode folder that two-way opening clamps.
Compared with prior art, the utility model has the advantages that：
The electromagnetic force that high-power high fusion penetration TIG welding guns disclosed by the utility model are formed by high current to electric arc compress with
And gas reduces the angle of flare of electric arc to the dual compression of the weak compression of electric arc, improves the energy density of electric arc, to carry
The high fusion penetration penetration capacity of electric arc is being welded when the surface tension of arc pressure and molten bath liquid metals reaches relative equilibrium
The back side for connecing workpiece forms stable keyhole effect, realizes stable high fusion penetration penetration weld.The welding electricity of welding gun carrying
Stream reaches 1000A, 12mm stainless steel plates below is disposably penetrated in the case of square groove, single-sided welding is two-sided
Molding, for the disposable throat thickness of corresponding titanium alloy up to 16mm, welding efficiency is high, has saved a large amount of manpower and materials costs.
Meanwhile the utility model by the way of double minor arc binding posts, water stream channel, cooling minor arc electricity are set in binding post
Cable, the mode of water cooling can effectively reduce the Wen Sheng of cable, increase the current-carrying capacity of cable, reduce the diameter of cable.And it is existing
The cable of welding gun is using one, and the mode of non-water cooling, when reaching 1000A such as welding current, the sectional area of cable wants 100 to divide equally
Millimeter or more, heavy waste of energy again.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, the utility model and its spy
Sign, shape and advantage will become more apparent.Identical label indicates identical part in whole attached drawings.Not according to than
Example draws attached drawing, it is preferred that emphasis is shows the purport of the utility model.
Fig. 1 is the structural schematic diagram of high-power high fusion penetration TIG welding guns in the utility model embodiment；
In figure：
1- tungsten electrodes, 2- baffles, 3- protective covers, 4- lower gun bodies, 5- insulators, 6- insulation crusts, the main gun bodies of 7-, 8- first
Minor arc binding post, 9- tracheaes, 10- the second minor arc binding posts, the first annular cooling water channels of 11-, the second annular cooling waters of 12- road,
13- protects gas channel, 14- tungsten electrodes folder, 15- ion-gas channel, 16- pikestaffs.
Specific implementation mode
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings, but not as this practicality
Novel restriction.
As shown in Figure 1, the utility model discloses a kind of high-power high fusion penetration TIG welding guns；
Specifically, the TIG welding guns include：
Main gun body 7 is set to the inside of TIG welding guns；
Lower gun body 4 is set to the lower end of TIG welding guns；
Insulator 5 is fixedly connected between main gun body 7 and lower gun body 4；
Tungsten electrode folder 14, is set in main gun body 7；And
Baffle 2 is set to the outside of tungsten electrode folder 14；
Wherein, first annular cooling water channel 11 and gas passage are provided in main gun body 7, gas passage is right by tracheae 9
Outer connection is provided with the second annular cooling water road 12 in lower gun body 4.
The purpose that insulator is arranged is, so that while lower gun body and protective cover insulate with main gun body, do not improving master
In the case of power supply floating voltage, arcing initiation success rate is improved；Since high frequency voltage is high, electric current is small, radiation is wide, the protection of insulation
Cover, which can constrain the high frequency voltage, to be emitted by tungsten electrode, its striking rate is made to significantly improve.
Above-mentioned gas channel is divided into two parts, and a part is set to the center of main gun body 7, connection tungsten electrode folder 14 and baffle
2, it is used for the circulation of ion-gas；Another part is set to the side of main gun body 7, is connected to the protection of main gun body 7 and the composition of insulator 5
Gas channel 13, the circulation for protecting gas.
The upper end of main gun body 7 is provided with gas interface, the first minor arc binding post 8 and the second minor arc binding post 10；First master
The inside of arc binding post 8 and the second minor arc binding post 10 is respectively arranged with the first water stream channel and the second water stream channel, the first water
Circulation road and the second water stream channel are connect with first annular cooling water channel and the second annular cooling channel, constitute water-cooling loop.
Wherein, 7 upper end of main gun body is additionally provided with tracheae 9, and the centre of tungsten electrode folder is fixed with tungsten electrode, and tungsten electrode folder is two-way opening
Clamping mode, this mode is compared with conventional unidirectional opening, and contact area is big, and water conservancy diversion is good, while the poly- moderate of tungsten electrode is good.Tungsten electrode
Fixture has certain elastic force, adapts to clamping repeatedly for tungsten electrode.The lower end outside of lower gun body is provided with protective cover 3.Outside main gun body
Side is provided with insulation crust 6.
Screw thread is provided on the outside of baffle, for locking tungsten electrode folder.Baffle is internally provided with gas passage, with structure
At ion-gas channel.
Above-mentioned TIG welding guns further include pikestaff 16.
Minor arc binding post and the minor arc cable being attached thereto are all made of the mode of water cooling.The mode of water cooling can reduce cable
Wen Sheng, increase the current-carrying capacity of cable.
The electromagnetic force that high-power high fusion penetration TIG welding guns disclosed in the present embodiment are formed by high current to electric arc compression and
Gas reduces the angle of flare of electric arc to the dual compression of the weak compression of electric arc, improves the energy density of electric arc, to improve
The fusion penetration penetration capacity of electric arc is being welded when the surface tension of arc pressure and molten bath liquid metals reaches relative equilibrium
The back side of workpiece forms stable keyhole effect, realizes stable high fusion penetration penetration weld.The welding current of welding gun carrying
Reachable 1000A, disposably penetrates 12mm stainless steel plates below in the case of square groove, single-sided welding it is two-sided at
Type, for the disposable throat thickness of corresponding titanium alloy up to 16mm, welding efficiency is high, has saved a large amount of manpower and materials costs.
Meanwhile high-power high fusion penetration TIG welding guns disclosed in the present embodiment are by the way of double minor arc binding posts, in binding post
If water stream channel, cooling minor arc cable, the mode of water cooling can effectively reduce the Wen Sheng of cable, increase the current-carrying capacity of cable, subtract
The diameter of small cable.And the cable of the existing welding gun in market uses one, the mode of non-water cooling, as welding current reaches
When 1000A, the sectional area of cable wants 100 to divide millimeter or more, heavy waste of energy again equally.
It should be appreciated by those skilled in the art that those skilled in the art are combining the prior art and above-described embodiment can be with
Realize change case, this will not be repeated here.Such change case has no effect on the substantive content of the utility model, not superfluous herein
It states.
The preferred embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, wherein the equipment and structure be not described in detail to the greatest extent are construed as with the common side in this field
Formula is practiced；Any technical person familiar with the field all may be used in the case where not departing from technical solutions of the utility model ambit
Many possible changes and modifications are made to technical solutions of the utility model using the methods and technical content of the disclosure above, or are repaiied
It is changed to the equivalent embodiment of equivalent variations, this has no effect on the substantive content of the utility model.Therefore, every without departing from this practicality
The content of new technique scheme, any simple modification made to the above embodiment of foundation the technical essence of the utility model, etc.
With variation and modification, still fall within technical solutions of the utility model protection in the range of.
Claims (5)
1. a kind of high-power high fusion penetration TIG welding guns, which is characterized in that the TIG welding guns include：
Main gun body is set to the inside of the TIG welding guns；
Lower gun body is set to the lower end of the TIG welding guns；
Insulator is fixedly connected between the main gun body and the lower gun body；
Tungsten electrode presss from both sides, and is set in the main gun body；And
Baffle is set to the outside of the tungsten electrode folder；
Wherein, it is provided with first annular cooling water channel and gas passage in the main gun body, second is provided in the lower gun body
Annular cooling water road,
The gas passage is divided into two parts, and a part is set to the center of the main gun body, is connected to the tungsten electrode folder and described
Baffle；Another part is set to the side of the main gun body, is connected to the protection gas of the main gun body and insulator composition
Channel.
2. the high-power high fusion penetration TIG welding guns of one kind according to claim 1, which is characterized in that the upper end of the main gun body
It is provided with gas interface, the first minor arc binding post and the second minor arc binding post；The first minor arc binding post and second master
The inside of arc binding post is respectively arranged with the first water stream channel and the second water stream channel, first water stream channel and described second
Water stream channel is connect with the first annular cooling water channel and second annular cooling channel, constitutes water-cooling loop.
3. the high-power high fusion penetration TIG welding guns of one kind according to claim 1, which is characterized in that the lower end of the lower gun body
Outside is provided with protective cover.
4. the high-power high fusion penetration TIG welding guns of one kind according to claim 1, which is characterized in that the inside of the baffle
It is provided with ion-gas channel.
5. the high-power high fusion penetration TIG welding guns of one kind according to claim 1, which is characterized in that the tungsten electrode folder is two-way
The tungsten electrode folder that opening clamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820316879.4U CN207888035U (en) | 2018-03-08 | 2018-03-08 | A kind of high-power high fusion penetration TIG welding guns |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820316879.4U CN207888035U (en) | 2018-03-08 | 2018-03-08 | A kind of high-power high fusion penetration TIG welding guns |
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| CN207888035U true CN207888035U (en) | 2018-09-21 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454314A (en) * | 2018-11-28 | 2019-03-12 | 江苏科技大学 | A kind of molten TIG weld thick plates method of hollow tungsten electrode profundity |
| CN109909686A (en) * | 2019-01-30 | 2019-06-21 | 重庆欣雨压力容器制造有限责任公司 | A kind of longitudinal seam welding of barrel method |
| CN111458324A (en) * | 2020-02-14 | 2020-07-28 | 华智焊测高科(苏州)有限公司 | Detection device and detection method for deep-melting TIG (tungsten inert gas) welding perforation state |
| CN115106628A (en) * | 2022-08-11 | 2022-09-27 | 上海工程技术大学 | Argon tungsten-arc welding gun suitable for aluminum alloy welding |
-
2018
- 2018-03-08 CN CN201820316879.4U patent/CN207888035U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454314A (en) * | 2018-11-28 | 2019-03-12 | 江苏科技大学 | A kind of molten TIG weld thick plates method of hollow tungsten electrode profundity |
| CN109454314B (en) * | 2018-11-28 | 2021-03-02 | 江苏科技大学 | Hollow tungsten electrode deep-melting TIG welding thick plate welding method |
| CN109909686A (en) * | 2019-01-30 | 2019-06-21 | 重庆欣雨压力容器制造有限责任公司 | A kind of longitudinal seam welding of barrel method |
| CN111458324A (en) * | 2020-02-14 | 2020-07-28 | 华智焊测高科(苏州)有限公司 | Detection device and detection method for deep-melting TIG (tungsten inert gas) welding perforation state |
| CN115106628A (en) * | 2022-08-11 | 2022-09-27 | 上海工程技术大学 | Argon tungsten-arc welding gun suitable for aluminum alloy welding |
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