CN207431488U - TIG welding guns - Google Patents
TIG welding guns Download PDFInfo
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- CN207431488U CN207431488U CN201721508289.3U CN201721508289U CN207431488U CN 207431488 U CN207431488 U CN 207431488U CN 201721508289 U CN201721508289 U CN 201721508289U CN 207431488 U CN207431488 U CN 207431488U
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- tig welding
- welding guns
- central conductor
- conductor leader
- tungsten electrode
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Abstract
A kind of TIG welding guns, including：Central conductor leader；It is arranged at the first cooling line being connected inside the central conductor leader and with water inlet pipe；The second cooling line being arranged between the outer gun body of the central conductor leader and the TIG welding guns, second cooling line are connected with first cooling line；The tungsten electrode being connected with the central conductor leader；The gas shield cover being connected with the outer gun body lower end of the TIG welding guns.Using the above program, the electric arc penetration capacity and welding stability of TIG welding guns can be improved.
Description
Technical field
The utility model embodiment is related to welding technology field more particularly to a kind of TIG welding guns.
Background technology
At present, inert gas tungsten electrode protection weldering (Tungsten Inert Gas, TIG) welding gun uses single loop water cooling to master
Gun body is cooled down.More heat is generated in the TIG welding gun courses of work, to maintain the normal work of TIG welding guns, it is necessary to right
Tungsten electrode is cooled down.The cooling to tungsten electrode is realized in the cooling of tungsten electrode by the way of tungsten electrode folder and the transmission of heat by contact of main gun body.
However, being cooled down by the way of the transmission of heat by contact that tungsten electrode is pressed from both sides with main gun body to tungsten electrode, cooling effect is poor.
TIG welding guns can not adapt to more than 300A electric currents and weld for a long time, the easy scaling loss of tungsten electrode when electric current is larger, and electric arc penetration capacity
Weak, welding stability is poor.
Utility model content
The technical issues of the utility model embodiment solves is how to improve the electric arc penetration capacity of TIG welding guns and weld steady
It is qualitative.
In order to solve the above technical problems, the utility model embodiment provides a kind of TIG welding guns, including：Central conductor leader；If
It is placed in the first cooling line being connected inside the central conductor leader and with water inlet pipe；Be arranged at the central conductor leader with it is described
The second cooling line between the outer gun body of TIG welding guns, second cooling line are connected with first cooling line；With institute
State the tungsten electrode of central conductor leader connection；The gas shield cover being connected with the outer gun body lower end of the TIG welding guns.
Optionally, the tungsten electrode is threadedly coupled with the central conductor leader.
Optionally, described central conductor leader one end is provided with the first accommodating chamber, and the tungsten electrode part is positioned over described first
Accommodating chamber.
Optionally, the central conductor leader other end is provided with to accommodate the second receiving of first cooling line
Chamber.
Optionally, first accommodating chamber is not communicated with second accommodating chamber.
Optionally, the tungsten electrode is connected by clamping structure with the central conductor leader.
Optionally, gas diverter, the gas diverter are provided between the central conductor leader and the outer gun body
One end is connected with the gas shield cover, and the other end is connected with air inlet pipe.
Optionally, the gas shield cover is metal gas protective cover.
Optionally, it is provided with the first insulating layer between the central conductor leader and the lower gun body of the outer gun body.
Optionally, it is provided with second insulating layer between the upper cutting gun of the outer gun body and the central conductor leader.
Optionally, first insulating layer is connected with the second insulating layer.
Compared with prior art, the technical solution of the utility model embodiment has the advantages that：
The cooling water in the first cooling line set in TIG welding guns when flowing through central conductor leader, can direct pair with
The tungsten electrode of central conductor leader connection is cooled down.The cooling water flowed through in second cooling line can be to the outer gun body of TIG welding guns
It is cooled down, and gas shield cover is connected with outer gun body lower end, therefore can realize the cooling to gas shield cover.It is cold using first
But pipeline and the second cooling line, respectively cool down tungsten electrode and gas shield cover, and cooling effect is preferable, can realize
TIG welding guns work long hours and form compression arc at higher currents, so as to improve the penetration capacity of electric arc and welding
Stability.
Further, tungsten electrode is threadedly coupled with central conductor leader, can increase the contact area of tungsten electrode and central conductor leader,
The cooling effect of tungsten electrode is further improved, and improves the reliability of welding current transmission.
Further, tungsten electrode is connected by clamping structure with central conductor leader, using such connection mode, when tungsten electrode is burnt
During damage, tungsten electrode can be easily removed to be ground use again.
Further, set gas diverter can cause protective gas uniformly to be flowed out when into nozzle, real
Existing welding region is isolated with air, is protected with the laminar flow of the gas to welding region.
Further, gas shield cover is metal gas protective cover, and the heat resistance of metal gas protective cover is preferable, can be with
It works under long-time high current, effectively carries out gas shield, further improve welding stability.
Further, in the welding process, the first insulating layer between central conductor leader and the lower gun body of outer gun body, can be with
It avoids occurring striking sparks between outer gun body and welding workpiece or short circuit phenomenon, security when raising TIG welding guns use avoids
TIG welding guns damage.
Description of the drawings
Fig. 1 is a kind of dimensional structure diagram of TIG welding guns in the utility model embodiment；
Fig. 2 is the A-A directional profile figures of Fig. 1；
Fig. 3 is the dimensional structure diagram of another kind TIG welding guns in the utility model embodiment；
Fig. 4 is the A-A directional profile figures of Fig. 3；
Fig. 5 is the connection diagram of a kind of tungsten electrode and clamping structure in the utility model embodiment.
Specific embodiment
At present, tungsten electrode is cooled down by the way of the transmission of heat by contact that tungsten electrode is pressed from both sides with main gun body, cooling effect is poor.
TIG welding guns can not adapt to more than 300A electric currents and weld for a long time, the easy scaling loss of tungsten electrode when electric current is larger, and electric arc penetration capacity
Weak, welding stability is poor.
In existing TIG automatic weldings, it can only realize free electric arc welding, compression arc can not be generated, hence for more than 3mm
Workpiece can only use bevel multiple tracks multi-layer welding, and welding efficiency is low,
In the utility model embodiment, the cooling water in the first cooling line set in TIG welding guns is led at the center of flowing through
During electric pole, can the direct pair of tungsten electrode being connected with central conductor leader cool down.The cooling water flowed through in second cooling line can
It is cooled down with the outer gun body to TIG welding guns, and gas shield cover is connected with outer gun body lower end, therefore can realize to gas shield
The cooling of cover.Using the first cooling line and the second cooling line, tungsten electrode and gas shield cover are cooled down respectively, cooling effect
Fruit is preferable, can at higher currents work long hours realizing TIG welding guns and form compression arc, so as to improve electric arc
Penetration capacity and welding stability.
In addition, TIG welding guns can pass to the high current of more than 300A, compression arc is generated, and can be grown under high currents
Time service, since the deflection and encircled energy of compression arc are preferable, electric arc penetration capacity is strong, therefore can improve welding effect
Rate.
It is understandable for the above-mentioned purpose of the utility model embodiment, feature and advantageous effect is enable to become apparent, it ties below
Attached drawing is closed to be described in detail specific embodiment of the utility model.
With reference to Fig. 1~Fig. 5, TIG welding guns can include central conductor leader 4, the first cooling line 6, the second cooling line 15,
Tungsten electrode 2, gas shield cover 1 and outer gun body 13.
In specific implementation, central conductor leader 4 can be arranged at the center of TIG welding guns, tungsten electrode 2 and central conductor leader
4 connections.First cooling line 6 is arranged at the inside of central conductor leader 4, and one end is connected with water inlet pipe 10.
In specific implementation, the material of the central conductor leader 4 can be copper, or other electric conductivities are preferable
Metal, for example, the material of the central conductor leader 4 is copper alloy, gold, silver etc..
Second cooling line 15 is arranged between the central conductor leader 4 and the outer gun body 13, and with the first cooling tube
Road 6 connects.The cooling water being passed through from water inlet pipe 10 flows through first cooling line 6, and central conductor leader 4 is cooled down, from
And realize the cooling pair the tungsten electrode 2 being connected with central conductor leader 4.It is cold into second afterwards that cooling water flows through the first cooling line 6
But pipeline 15 are cooled down with external gun body 13.Since outer gun body 13 is connected with gas shield cover 1, gas shield cover 1 is also known as
Nozzle.
In specific implementation, the lower end of outer gun body 13 can be threadedly coupled with gas shield cover 1, pass through external gun body 13
Cooling, to realize the cooling to gas shield cover 1.
Tungsten electrode is cooled down by using the first cooling line, gas shield cover is carried out using the second cooling line cold
But, tungsten electrode and gas shield cover are respectively provided with preferable heat dissipation effect, can realize that TIG welding guns work under long-time larger current
When, so that TIG welding guns can generate compression arc under larger current, improve the penetration capacity and welding stability of electric arc.
In specific implementation, after cooling water flows through second cooling line 15, it may return to return pipe 9.
The TIG welding guns provided in the utility model embodiment can not only generate compression arc, but also can generate free electric arc.
When the type difference of electric arc caused by the TIG welding guns, the tungsten electrode 2 may be employed different connection modes and be led with center
The connection of electric pole 4.
In one embodiment of the utility model, the tungsten electrode 2 is threadedly coupled with the central conductor leader 4.
In specific implementation, one end of the central conductor leader 4 is provided with the first accommodating chamber, and the tungsten electrode 2 can part
It is positioned in first accommodating chamber.The other end of the central conductor leader 4 is provided with the second accommodating chamber, second accommodating chamber
The first cooling line 6 can be accommodated.
In specific implementation, first accommodating chamber is not communicated with second accommodating chamber, so can be to avoid cooling water
Leakage.
The contact area of tungsten electrode 2 and central conductor leader 4 can be increased by the way of threaded connection, so as to improve pair
The cooling efficiency of tungsten electrode 2.
Tungsten electrode 2 by the way of being threadedly coupled, since cooling effect is preferable, can lead to central conductor leader 4 in TIG welding guns
During with more than 300A electric currents, tungsten electrode 2 is unlikely to be burnt, while can effectively reduce cathode protection.It is good in high current and tungsten electrode 2
Cooling under, the deflection and pinch effect of electric arc can be improved, improve welding efficiency and welding stability.It can realize to 10mm
Be not open single-side welding double-side forming, improves welding efficiency.
In another embodiment of the utility model, with reference to Fig. 4 and Fig. 5, clamping structure 16 and institute may be employed in the tungsten electrode 2
Central conductor leader 4 is stated to connect.Wherein, corresponding sectional view when Fig. 4 generates free electric arc for TIG welding guns.
In specific implementation, the tungsten electrode 2 is positioned in clamping structure 16, the clamping structure 16 can by screw thread with
The central conductor leader 4 connects.
In one embodiment of the utility model, the clamping structure 16 is put into the second accommodating chamber of the central conductor leader 4
One end can be split-type structure, there are certain gaps between each valve 161.Tungsten electrode 2 is positioned in clamping structure 16, so
The clamping structure 16 is positioned in the central conductor leader 4 afterwards, clamping structure 16 is being connected to the central conductor leader 4
Afterwards, can be shunk between each valve 161, thus it is preferable to the clamping force of tungsten electrode 2, it improves to 2 fixed stability of tungsten electrode.
For example, one end that clamping structure 16 is connected to the second accommodating chamber of the central conductor leader 4 is divided into pintongs.It can be with
Understand, it in practical applications, can not also decile.The valve number divided or other values, such as 3,5, tool
Body can be set according to practical application scene.
The tungsten electrode 2 is connected by the way of clamping structure 16 with central conductor leader 4, be can be used for TIG welding guns and is produced from
By the application scenarios of electric arc, tungsten electrode 2 can easily take in the case of scaling loss so under the application scenarios of free electric arc
Go out tungsten electrode 2 and be ground use again.
In specific implementation, gas diverter 5 can be provided between the central conductor leader 4 and outer gun body 13.It is described
5 one end of gas diverter is connected with the gas shield cover 1, and the other end is connected with air inlet pipe 11.Use gas diverter 5 can be with
It after gas calmness uniformly to flowing through TIG welding guns, is uniformly flowed out by gas shield cover 1, realizes the laminar flow guarantor to welding region
Shield so that welding region and air insulated improve welding stability.
During due to passing to the electric current higher than 300A when TIG welding guns, generated heat is higher in the welding process, to improve
The temperature tolerance of gas shield cover 1, the gas shield cover 1 are protective cover.It so can be to avoid previous used ceramics
The cracking phenomena that protective cover longtime running occurs at high temperature by improving to the gas shield effect in welding process, comes
Improve welding quality.
In one embodiment of the utility model, the material of the protective cover is copper, and the heat conductivility of copper is preferable, outer rifle
Body 13 can be connected by 15 cooling by water of the second cooling line, protective cover with outer gun body 13 by helicitic texture, metal
The heat dissipation of protective cover is preferable.
It is understood that in practical applications, the material of protective cover can also the fusing points such as copper alloy, gold, silver it is high
And the preferable metal of heat-conducting effect.
In specific implementation, since the material of the part-structure of outer gun body 13 may use metal and using metal
During protective cover, in the welding process, outer gun body 13 may there may be sparking or short circuit phenomenons between welding workpiece.TIG is welded
Rifle is in use there are security risk, so as to damage TIG welding guns.In order to improve the safety during TIG welding gun uses,
Insulating layer can be provided between the central conductor leader 4 and the outer gun body 13.
In specific implementation, the outer gun body 13 can be made of upper cutting gun 132 and lower gun body 131.It is led at the center
The first insulating layer 3 is provided between electric pole 4 and the lower gun body 131.TIG can be welded by the first set insulating layer 3
The main electrical componentss such as central conductor leader 4, tungsten electrode 2 inside rifle are separated with outer gun body 13, avoid welding process China and foreign countries gun body 13 with
The sparking or short circuit of welding workpiece improve the security during TIG welding gun uses.
In specific implementation, first insulating layer 3 may be employed the materials such as polyimides and be made.
To further improve the security during TIG welding gun uses, the TIG welding guns are also provided with second insulating layer
7.The second insulating layer 7 is arranged between the upper cutting gun 132 of the outer gun body 13 and central conductor leader 4.
In specific implementation, second insulating layer 7 can be connected with the first insulating layer 3, and so entire outer gun body 13 is welded with TIG
The main electrical components such as the central conductor leader 4 inside rifle is completely isolated, further improves insulation effect.
In specific implementation, the second insulating layer 7 may be employed the materials such as polyimides and be made.
Although the utility model discloses as above, the utility model is not limited to this.Any those skilled in the art,
It does not depart from the spirit and scope of the utility model, can make various changes or modifications, therefore the scope of protection of the utility model
It should be subject to claim limited range.
Claims (11)
1. a kind of TIG welding guns, which is characterized in that including：
Central conductor leader；
It is arranged at the first cooling line being connected inside the central conductor leader and with water inlet pipe；
The second cooling line being arranged between the outer gun body of the central conductor leader and the TIG welding guns, second cooling
Pipeline is connected with first cooling line；
The tungsten electrode being connected with the central conductor leader；
The gas shield cover being connected with the outer gun body lower end of the TIG welding guns.
2. TIG welding guns according to claim 1, which is characterized in that the tungsten electrode is threadedly coupled with the central conductor leader.
3. TIG welding guns according to claim 2, which is characterized in that described central conductor leader one end is provided with the first receiving
Chamber, the tungsten electrode part are positioned over first accommodating chamber.
4. TIG welding guns according to claim 3, which is characterized in that the central conductor leader other end is provided with to hold
Receive the second accommodating chamber of first cooling line.
5. TIG welding guns according to claim 4, which is characterized in that first accommodating chamber and second accommodating chamber are not
It communicates.
6. TIG welding guns according to claim 1, which is characterized in that the tungsten electrode is led by clamping structure and the center
Electric pole connects.
7. TIG welding guns according to claim 1, which is characterized in that set between the central conductor leader and the outer gun body
Gas diverter is equipped with, described gas diverter one end is connected with the gas shield cover, and the other end is connected with air inlet pipe.
8. TIG welding guns according to claim 1, which is characterized in that the gas shield cover is metal gas protective cover.
9. TIG welding guns according to claim 8, which is characterized in that the central conductor leader and the lower rifle of the outer gun body
The first insulating layer is provided between body.
10. TIG welding guns according to claim 9, which is characterized in that the upper cutting gun of the outer gun body and the center conductive
Second insulating layer is provided between bar.
11. TIG welding guns according to claim 10, which is characterized in that first insulating layer and the second insulating layer
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721508289.3U CN207431488U (en) | 2017-11-13 | 2017-11-13 | TIG welding guns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721508289.3U CN207431488U (en) | 2017-11-13 | 2017-11-13 | TIG welding guns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207431488U true CN207431488U (en) | 2018-06-01 |
Family
ID=62288953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721508289.3U Active CN207431488U (en) | 2017-11-13 | 2017-11-13 | TIG welding guns |
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| CN (1) | CN207431488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695492A (en) * | 2017-11-13 | 2018-02-16 | 昆山华恒焊接股份有限公司 | TIG welding guns |
-
2017
- 2017-11-13 CN CN201721508289.3U patent/CN207431488U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695492A (en) * | 2017-11-13 | 2018-02-16 | 昆山华恒焊接股份有限公司 | TIG welding guns |
| CN107695492B (en) * | 2017-11-13 | 2023-09-05 | 昆山华恒焊接股份有限公司 | TIG welding gun |
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