CN207563891U - A kind of large current load K-TIG welding guns - Google Patents
A kind of large current load K-TIG welding guns Download PDFInfo
- Publication number
- CN207563891U CN207563891U CN201721740118.3U CN201721740118U CN207563891U CN 207563891 U CN207563891 U CN 207563891U CN 201721740118 U CN201721740118 U CN 201721740118U CN 207563891 U CN207563891 U CN 207563891U
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- welding gun
- conducting ring
- tungsten electrode
- tube body
- large current
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Abstract
The utility model is related to a kind of large current load K TIG welding guns, it is characterised in that：Conducting ring is coaxially installed in the torch head body, the right end inner surface coaxial threaded of conducting ring is equipped with ignition tip, and ignition tip right end is equipped with tungsten electrode；The right end outer surface coaxial threaded of welding gun tube body is equipped with nozzle, forms plenum duct between conducting ring and welding gun inner surface of tube body, air inlet is provided on welding gun tube body；Partition board is provided with along central axial in conducting ring, intake tunnel and exhalant canal are formed between partition board and conducting ring, water inlet and water outlet are provided on welding gun seat, the left end of ignition tip is provided with back-shaped slot, back-shaped slot connection intake tunnel and exhalant canal.The utility model scientific structure design is reasonable, simple in structure, and water circulating cooling channel can increase cold water circulation area, realizes being quickly cooled down for welding gun internal temperature, ensures the operation of welding gun high current, and tungsten electrode is replaced conveniently.
Description
Technical field
The utility model belongs to welding technology field, is related to welding gun, more particularly to a kind of large current load K-TIG welding guns.
Background technology
Welding technique is the common mechanical connection manner of China's industrial circle, with the development of industrial technology, to welding skill
The requirement of art is also higher and higher, therefore the development of welding technique is also with rapid changepl. never-ending changes and improvements.
TIG welds (Tungsten Inert Gas Welding), also known as non-melt pole inert gas tungsten electrode protection weldering.Nothing
During by being the stainless steel in human weld or 0.5~4.0mm of automatic welding thickness, TIG welderings are all most commonly used welding manners.
But the electrical current of TIG welderings is smaller, it is impossible to meet high current welding requirements.
A kind of new and effective K-TIG welding techniques of rising in recent years, so-called K-TIG (Keyhole TIG
Welding) welding is exactly larger arc pressure and the liquid state of molten pool metallic surface formed by high current (being more than 300A)
Tension realizes opposite balance, forms aperture and realizes penetration fustion welding.Maximum single track throat thickness can reach 16mm, be not required to
Cut is opened, speed of welding reaches 300-1000mm/min.The weld seam microstructure and mechanical property of K-TIG welderings are superior to TIG
Weldering.
But K-TIG welderings, in the welding process since electric current is compared with a large amount of heat of conference generation, these heats easily cause
The fever damage of welding gun internal part, influences normal use.Therefore, in K-TIG welding processes, used welding gun must contain
Water circulation cooling device to ensure that welding gun will not cause to burn in welding because of hot, influences normal use.
By the retrieval to patent document, the patent document identical with present patent application is not found.
Invention content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of simple in structure, cold with water cycle
But to increase cold water circulation area, realization is quickly cooled down channel, the large current load K-TIG welding guns that high current is allowed to run.
The utility model solves its technical problem and is achieved through the following technical solutions：
A kind of large current load K-TIG welding guns, including welding gun tube body and welding gun seat, welding gun seat one end is coaxially installed with
Welding gun tube body, it is characterised in that：Conducting ring is coaxially installed in the torch head body, the right end inner surface of the conducting ring is coaxial
Screw thread is equipped with ignition tip, and the ignition tip right end is equipped with tungsten electrode；The right end outer surface coaxial threaded peace of the welding gun tube body
Equipped with nozzle, plenum duct is formed between the conducting ring and welding gun inner surface of tube body, air inlet is provided on welding gun tube body,
The plenum duct is connected to the nozzle；In the conducting ring partition board, the partition board and conducting ring are provided with along central axial
Between form intake tunnel and exhalant canal, be provided with water inlet and water outlet on the welding gun seat, the water inlet is connected to
Intake tunnel, the water outlet are connected to exhalant canal, and the left end of the ignition tip is provided with back-shaped slot, the back-shaped slot connection
Intake tunnel and exhalant canal.
Moreover, the right end of the ignition tip is formed with square groove, in the top surface of the square groove, bottom surface, elasticity is pacified respectively
Equipped with tungsten electrode snap-gauge, tungsten electrode is clamped between described two tungsten electrode snap-gauges.
Moreover, the top and bottom of the square groove are connected separately with several springs, institute is connected on several springs
State tungsten electrode snap-gauge.
Moreover, the nozzle is from left to right tapered conical nozzle.
Moreover, the conical nozzle is copper conical nozzle.
It the advantages of the utility model and has the beneficial effect that：
1st, this large current load K-TIG welding guns form plenum duct, in welding gun between conducting ring and welding gun inner surface of tube body
Air inlet is provided on tube body, plenum duct is connected to nozzle, and conducting ring is interior to be provided with partition board, partition board and conduction along central axial
Intake tunnel and exhalant canal are formed between ring, is provided with water inlet and water outlet on welding gun seat, water inlet, which is connected into water, to be led to
Road, water outlet are connected to exhalant canal, and the left end of ignition tip is provided with back-shaped slot, and back-shaped slot connection intake tunnel and water outlet are logical
Road, the water cooling circulation canal of welding gun tubular body can reduce the heat generated in the welding gun course of work, prevent temperature excessively high
And scaling loss influences normal use, and high current can allow for pass through, it is ensured that the scope of application.
2nd, this large current load K-TIG welding guns, the right end of ignition tip are formed with square groove, at the top surface of square groove, bottom
Elasticity is equipped with tungsten electrode snap-gauge respectively in face, and tungsten electrode is clamped between two tungsten electrode snap-gauges, and the installation of tungsten electrode is replaced conveniently, and can
Various sizes of tungsten electrode is clamped, it is applied widely.
3rd, this large current load K-TIG welding guns, the top and bottom of square groove are connected separately with several springs, several bullets
Tungsten electrode snap-gauge is connected on spring, elastic telescopic is carried out so as to the secured clamping of tungsten electrode according to several springs of various sizes of tungsten electrode, makes
With conveniently.
4th, this large current load K-TIG welding guns, nozzle are from left to right tapered conical nozzle, can will be sprayed by nozzle
The protective gas gone out is gathered in around welding wire, prevents the oxidation in welding process, ensures welding quality.
5th, this large current load K-TIG welding guns, conical nozzle are copper conical nozzle, can bear high temperature, are ensured using effect
Fruit.
6th, the utility model scientific structure design is reasonable, simple in structure, and water circulating cooling channel can increase cold water circulation
Area realizes being quickly cooled down for welding gun internal temperature, ensures the operation of welding gun high current, and tungsten electrode is replaced conveniently.
Description of the drawings
Fig. 1 is the semi-cutaway of the utility model；
Fig. 2 is the A portions enlarged drawing of Fig. 1.
Reference sign
1- water outlets, 2- welding guns seat, 3- welding guns tube body, 4- air inlets, 5- plenum ducts, 6- conducting rings, 7- exhalant canals,
The back-shaped slot of 8- partition boards, 9-, 10- ignition tips, 11- springs, 12- conical nozzles, 13- tungsten electrodes, 14- tungsten electrodes snap-gauge, 15- water inlets are logical
Road, 16- water inlets.
Specific embodiment
Below by specific embodiment, the utility model is described in further detail, following embodiment be it is descriptive, no
It is limited, it is impossible to which the scope of protection of the utility model is limited with this.
A kind of large current load K-TIG welding guns, including welding gun tube body 3 and welding gun seat 2, welding gun seat one end is coaxially fixedly mounted
There is welding gun tube body, innovation is：Conducting ring 6 is coaxially installed in torch head body, the right end inner surface of conducting ring is coaxial
Screw thread is equipped with ignition tip 10, and ignition tip right end is equipped with tungsten electrode 13；The right end outer surface coaxial threaded of welding gun tube body is equipped with
Nozzle forms plenum duct 5, air inlet 4 is provided on welding gun tube body, is supplied gas logical between conducting ring and welding gun inner surface of tube body
Road is connected to nozzle；Partition board 8 is provided with along central axial in conducting ring, intake tunnel 15 is formed between partition board and conducting ring and is gone out
Water channel 7 is provided with water inlet 16 and water outlet 1 on welding gun seat, and water inlet is connected to intake tunnel, and water outlet is connected to water outlet
Channel, the left end of ignition tip are provided with back-shaped slot 9, back-shaped slot connection intake tunnel and exhalant canal, the water of welding gun tubular body
Cooling cycle channel can reduce the heat generated in the welding gun course of work, prevent temperature excessively high and scaling loss influence normal use,
And high current can allow for pass through, it is ensured that the scope of application.
The right end of ignition tip is formed with square groove, and in the top surface of square groove, bottom surface, elasticity is equipped with tungsten electrode snap-gauge respectively
14, tungsten electrode is clamped between two tungsten electrode snap-gauges, the installation of tungsten electrode is replaced conveniently, and can clamp various sizes of tungsten electrode, fitted
With in extensive range.
The top and bottom of square groove are connected separately with several springs 11, and tungsten electrode snap-gauge is connected on several springs, according to
Various sizes of several springs of tungsten electrode carry out elastic telescopic so as to the secured clamping of tungsten electrode, easy to use.
Nozzle is from left to right tapered conical nozzle 12, can will be gathered in molten bath by the protective gas that nozzle sprays
Around, the oxidation in welding process is prevented, ensures welding quality.
Conical nozzle is copper conical nozzle, can bear high temperature, ensures using effect.
The operation principle of the utility model is：
When being subjected to, cold water is injected by the water inlet on welding gun seat, cold water is by intake tunnel and together with to going out
Aquaporin.Cold water cooling recirculation system is formed, can ensure to weld the cooling in operating process, prevent temperature excessively high and scaling loss shadow
Normal use is rung, and high current can allow for pass through, it is ensured that the scope of application, and according to welding need to be convenient for changing size different
Tungsten electrode.
Although disclosing the embodiment and attached drawing of the utility model for the purpose of illustration, those skilled in the art can be with
Understand：Do not departing from the utility model and spirit and scope of the appended claims, it is various replace, change and modification are all can
Can, therefore, the scope of the utility model is not limited to embodiment and attached drawing disclosure of that.
Claims (5)
1. a kind of large current load K-TIG welding guns, including welding gun tube body and welding gun seat, welding gun seat one end is coaxially installed with weldering
Gun barrel body, it is characterised in that：Conducting ring, the coaxial spiral shell of right end inner surface of the conducting ring are coaxially installed in the torch head body
Line is equipped with ignition tip, and the ignition tip right end is equipped with tungsten electrode；The right end outer surface coaxial threaded installation of the welding gun tube body
There is nozzle, plenum duct is formed between the conducting ring and welding gun inner surface of tube body, air inlet, institute are provided on welding gun tube body
It states plenum duct and is connected to the nozzle；Be provided with partition board along central axial in the conducting ring, the partition board and conducting ring it
Between form intake tunnel and exhalant canal, be provided with water inlet and water outlet on the welding gun seat, the water inlet be connected into
Aquaporin, the water outlet are connected to exhalant canal, and the left end of the ignition tip is provided with back-shaped slot, the back-shaped slot connect into
Aquaporin and exhalant canal.
2. large current load K-TIG welding guns according to claim 1, it is characterised in that：The right end of the ignition tip is formed with
Square groove, in the top surface of the square groove, bottom surface, elasticity is equipped with tungsten electrode snap-gauge respectively, described two tungsten electrode snap-gauges it
Between clamp tungsten electrode.
3. large current load K-TIG welding guns according to claim 2, it is characterised in that：The top surface of the square groove and
Bottom surface is connected separately with several springs, and the tungsten electrode snap-gauge is connected on several springs.
4. large current load K-TIG welding guns according to claim 1, it is characterised in that：The nozzle is from left to right gradually
The conical nozzle of contracting.
5. large current load K-TIG welding guns according to claim 4, it is characterised in that：The conical nozzle is copper taper
Nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721740118.3U CN207563891U (en) | 2017-12-14 | 2017-12-14 | A kind of large current load K-TIG welding guns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721740118.3U CN207563891U (en) | 2017-12-14 | 2017-12-14 | A kind of large current load K-TIG welding guns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207563891U true CN207563891U (en) | 2018-07-03 |
Family
ID=62686956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721740118.3U Expired - Fee Related CN207563891U (en) | 2017-12-14 | 2017-12-14 | A kind of large current load K-TIG welding guns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207563891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202225A (en) * | 2018-09-27 | 2019-01-15 | 天津大学 | Fine caliber pipeline double sides double arc welding system and method based on K-TIG |
-
2017
- 2017-12-14 CN CN201721740118.3U patent/CN207563891U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202225A (en) * | 2018-09-27 | 2019-01-15 | 天津大学 | Fine caliber pipeline double sides double arc welding system and method based on K-TIG |
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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: 20180703 Termination date: 20181214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |