CN205464741U - Tungsten polar system of welding head all - Google Patents

Abstract

The utility model discloses a tungsten polar system of welding head all, this tungsten polar system unite including tungsten utmost point pole tungsten is installed extremely to the front end of tungsten utmost point pole be provided with tungsten utmost point screw thread on the rear end of tungsten utmost point pole, tungsten utmost point pole passes from the middle part of the external shell of rifle, and its front end and rear end all expose in the outside of the external shell of rifle, and, it is extremely rotatory that tungsten utmost point pole can drive tungsten, the utility model provides a welding head is can be infinitely rot. And at its rot. In -process, the welding head can be followed different orientations and turn round, the deflection angle of the tungsten utmost point when the welding head gyration on it need with gyration orientation phase -match, so its angle direction extremely can be adjusted fast to rotatable tungsten, suit with the rotary orientation of welding head to the welding product improves its welding quality, so that can satisfy nuclear power product 's requirements for quality.

Description

A kind of tungsten electrode system of welding head

Technical field

This utility model relates to technical field of welding equipment, is specifically related to a kind of bonding machine The tungsten electrode system of head.

Background technology

HTGR vaporizer project worldwide for there is no any enterprise energy Enough processing and manufacturings complete, and therefore HTGR vaporizer project has been listed in country's weight Great development project.Manufacturing technology requirement according to nuclear power product, existing equipment structure and Function all cannot fully meet the processing and manufacturing requirement of high temperature gas-cooled reactor project, especially The all-position welding of HTGR vaporizer general assembly weld seam and 2G position are welded especially Industry a great problem, the groove of this weld seam is little, and welding bead is deep, and the quality of welding is wanted by it Asking extremely strict, the weld seam obtained by common welding equipment welding can not meet core The prescription of electricity product, a kind of can solve the problem that the new of the problems referred to above to this end, need badly Welding equipment.

Due to the existence of the problems referred to above, the welding process requirement of the present inventor's bonded products, Devise a kind of can the narrow gap TIG weld head of endless-rotating, this welding head It is arranged on and can turn round bevel for welding under the drive of branch bar with on the branch bar of endless-rotating, This welding head also can be widely applied to nuclear power, boiler, petrochemical industry container uniform thickness wall product Manufacture.

Utility model content

In order to overcome the problems referred to above, present inventor has performed and study with keen determination, design one Planting the tungsten electrode system of welding head, this tungsten electrode system includes tungsten electrode bar, at described tungsten electrode The front end of bar is provided with tungsten electrode, is provided with tungsten electrode screw thread on the rear end of described tungsten electrode bar； Described tungsten electrode bar passes from the middle part of gun body shell, and its front-end and back-end are all exposed to rifle The outside of body case, and, described tungsten electrode bar can drive tungsten electrode to rotate；This practicality Welding head in novel can endless-rotating, its turn round during, welding Head can turn round in different directions, the tungsten thereon when welding head turns round The deflection angle of pole needs to match with gyratory directions, so rotatable tungsten electrode can Adjust its angle direction rapidly, adapt with the gyratory directions of welding head, thus Improve its welding quality, so that the quality that welding product disclosure satisfy that nuclear power product is wanted Ask, thus complete this utility model.

Specifically, the purpose of this utility model is to provide the tungsten of a kind of welding head Electrode systems, described tungsten electrode system 2 includes tungsten electrode bar 2b, before described tungsten electrode bar 2b End is provided with tungsten electrode 2a, is provided with tungsten electrode screw thread 2c on the rear end of described tungsten electrode bar；

Preferably, described tungsten electrode bar 2b can drive tungsten electrode 2a to rotate.

Wherein, described tungsten electrode bar 2b is arranged in welding gun gun body 1,

Preferably, described tungsten electrode bar 2b is arranged on the gun body shell 1a of welding gun gun body 1,

It is further preferred that described tungsten electrode bar 2b passes from the middle part of gun body shell 1a, Its front-end and back-end are all exposed to the outside of gun body shell 1a.

Wherein, described tungsten electrode 2a and tungsten electrode screw thread 2c is exposed to outside gun body shell 1a Portion.

Wherein, described tungsten electrode 2a and described tungsten electrode bar 2b is predetermined angular.

Wherein, described tungsten electrode system 2 also includes the tungsten electrode being connected with described tungsten electrode screw thread Motor 2d；

Preferably, described tungsten electrode motor 2d drives tungsten electrode bar to rotate, and then adjusts tungsten electrode Deflection angle.

Wherein, it is internally provided with water cooling tube, entering of described water cooling tube at described tungsten electrode bar Mouth of a river 2e and outlet 2f is all disposed within the afterbody of tungsten electrode bar.

Wherein, between described tungsten electrode system 2 and gun body shell 1a, it is provided with insulating boot,

Preferably, described insulating boot is ceramic insulation cover.

Wherein, described welding head includes that welding gun gun body 1, tungsten electrode system 2, two are sent Silk system 3 and two camera systems 5, wherein, described tungsten electrode system is arranged on welding gun rifle On body, two wire feed systems 3 lay respectively at welding gun gun body both sides,

Preferably, two wire feed systems are directly installed in described welding gun gun body；Two Camera system 5 is arranged in described wire feed system by cross sliding board 4 respectively.

It is further preferred that described welding gun gun body 1 includes gun body shell 1a, described rifle Body case 1a is the housing of hollow, in flat, its be internally provided with cooling system and Gas protection system.

Wherein, described wire feed system includes wire feed bar 3a, wire feed shaft bar 3b and adjustment Screw rod 3c, wherein, one end of described wire feed shaft bar and wire feed bar be predetermined angular also Fixing as one, the other end is affixed with adjustment screw rod；

Preferably, described adjustment screw rod 3c can drive wire feed bar 3a to rotate.

Wherein, described camera system 5 includes connecting support 5a, at described connection support Being provided with fixing bar 5b and adjusting lever 5c on 5a, wherein, described adjusting lever 5c is to stretch Contracting；

Preferably, described camera system 5 also includes video camera 5d, described video camera 5d Middle part is rotatably attached with fixing bar, and described video camera afterbody is rotatable with adjusting lever Ground connects, and is provided with photographic head 5e and illuminating lamp 5f in the front end of described video camera.

This utility model is had the advantage that to include:

(1) according to this utility model provide tungsten electrode system on tungsten electrode be rotatable So that under different welding conditions, it is possible to by adjusting the yawing moment of tungsten electrode Adapt to welding procedure demand；

(2) the tungsten electrode system provided according to this utility model is arranged in welding gun gun body, Welding gun gun body is provided with two protective gas systems so that protective gas in welding process The most abundant, in welding process, the protected effect to tungsten electrode and molten bath is more preferable, to guarantee Welding quality is enough, meets the requirement of nuclear power product welding quality；

(3) it is provided with rail groove in the welding gun gun body according to this utility model offer, Secondary air protective cover thereon can be slided along rail groove, improve equipment Motility；

(4) the tungsten electrode system both sides provided according to this utility model are provided with wire feed system System, and the wire feed bar of described wire feed system is rotatable so that between welding wire and molten bath Position relatively is controlled, improves welding quality；

(5) camera system provided according to this utility model is installed by cross sliding board In wire feed system, expand monitoring range and the visual angle of camera system, it is achieved without dead Angle monitors.

Accompanying drawing explanation

Fig. 1 illustrates the tungsten electrode system knot according to a kind of preferred implementation of this utility model Structure schematic diagram；

Fig. 2 illustrates that the welding head according to a kind of preferred implementation of this utility model is whole Body top view；

Fig. 3 illustrates that the welding head according to a kind of preferred implementation of this utility model is whole Body-side view；

Fig. 4 illustrates the welding gun gun body knot according to a kind of preferred implementation of this utility model Structure schematic diagram；

Fig. 5 illustrates that the head according to a kind of preferred implementation of this utility model adjusts system System structural representation；

Fig. 6 illustrates the wire feed system knot according to a kind of preferred implementation of this utility model Structure schematic diagram；

Fig. 7 illustrates the camera system knot according to a kind of preferred implementation of this utility model Structure schematic diagram；

Fig. 8 illustrates that the cross sliding board according to a kind of preferred implementation of this utility model is whole Body structural representation；

Fig. 9 illustrates the cross slide seat knot according to a kind of preferred implementation of this utility model Structure schematic diagram；

Figure 10 illustrates the slide block structure according to a kind of preferred implementation of this utility model Schematic diagram；

Figure 11 illustrates the adjusting screw rod according to a kind of preferred implementation of this utility model Structural representation；

Figure 12 illustrates the lining plate structure according to a kind of preferred implementation of this utility model Schematic diagram.

Drawing reference numeral illustrates:

1-welding gun gun body

1a-gun body shell

1b-cooling water intake

1c-cooling water outlet

1d-cooling chamber

Protective gas air inlet of 1e-

Protective gas air chamber of 1f-

Protective gas gas outlet of 1g-

1h-rail groove

1i-secondary air protective cover

2-tungsten electrode system

2a-tungsten electrode

2b-tungsten electrode bar

2c-tungsten electrode screw thread

2d-tungsten electrode motor

2e-water inlet

2f-outlet

3-wire feed system

3a-wire feed bar

3b-wire feed shaft bar

3c-adjusts screw rod

3d-adjusts motor

4-cross sliding board

4a-cross slide seat

4b-slide block

4c-slideway

4d-slideway groove

4e-slip recess

4f-adjusting screw rod

4g-locating ring

4h-liner plate

4i jackscrew groove

5-camera system

5a-connects support

5b-fixes bar

5c-adjusting lever

5d-video camera

5e-photographic head

5f-illuminating lamp

5g-water-cooled interface

6-head adjusts system

6a-AVC slide plate

6c-line tower

6b-circuit fixed plate

6d-draw-in groove

Detailed description of the invention

Below by drawings and Examples, this utility model is further described.Logical Crossing these explanations, feature of the present utility model and advantage will become more apparent from clearly.

The most special word " exemplary " means " as example, embodiment or say Bright property ".The here as any embodiment illustrated by " exemplary " should not necessarily be construed as excellent In or be better than other embodiments.Although the various aspects of embodiment shown in the drawings, But unless otherwise indicated, it is not necessary to accompanying drawing drawn to scale.

According to the tungsten electrode system of the welding head that this utility model provides, such as institute in Fig. 1 Showing, described tungsten electrode system includes tungsten electrode bar 2b, and described tungsten electrode bar 2b is from welding gun gun body 1 Centre passes, it is preferable that pass from the centre of gun body shell 1a；Its front-end and back-end All it is exposed to the outside of gun body shell 1a, passes part in the front end of described tungsten electrode bar 2b On be installed with tungsten electrode 2a, it is preferable that described tungsten electrode and described tungsten electrode bar are in predetermined Angle；The rear end of described tungsten electrode bar is provided with tungsten electrode screw thread 2c；Described tungsten electrode system System also includes being threaded through the tungsten electrode motor 2d that screw rod is connected, described tungsten with described tungsten electrode Pole motor drives tungsten electrode bar to rotate by screw rod, and then drives tungsten electrode to rotate, it is achieved right The adjustment of tungsten electrode deflection angle.

In one preferred embodiment, it is internally provided with water-cooled at described tungsten electrode bar Managing, the water inlet 2e and outlet 2f of described water cooling tube are all disposed within the afterbody of tungsten electrode bar, Described water cooling tube extends near tungsten electrode in tungsten electrode bar, for by cooling water cooling Tungsten electrode, it is ensured that tungsten electrode is within the scope of safe temperature；

In one preferred embodiment, described tungsten electrode system insulate with welding gun gun body, Being provided with insulating boot between described tungsten electrode system and welding gun gun body, described insulating boot can With the seal being made up of materials such as potteries.

The welding head provided according to this utility model, as shown in Fig. 2, Fig. 3, should Welding head includes that welding gun gun body 1,2, two wire feed systems 3 of tungsten electrode system and two take the photograph As system 5, wherein, described tungsten electrode system is arranged in welding gun gun body, it is preferable that institute State tungsten electrode system and run through gun body shell 1a from middle part；Two wire feed systems 3 lay respectively at weldering Rifle gun body both sides, it is preferable that two wire feed systems are directly installed on described welding gun gun body On；Two camera systems 5 are arranged in described wire feed system by cross sliding board 4 respectively； Thus in whole welding head, all parts is fastened to each other connects as one.

The welding head that this utility model provides is mainly used in by the way of revolution welding Circular weld, this welding head can perform all-position welding, including horizontal position welding and vertical position welding Deng welding manner, when its vertical position welding welding circular weld, general welding procedure includes Two steps, wherein, step one is in the direction starting the arc of 6 o'clock, along circular weld Being soldered to 12 o'clock direction, in this welding step, welding head can be along clockwise Advance in direction, it is also possible to along counterclockwise advancing, step 2 is in 6 o'clock sides To the starting the arc, it is soldered to 12 o'clock direction along circular weld, in this welding step, weldering The direct of travel of head of picking is different from the direction in step one.

In above-mentioned two welding step, the direction of the tungsten electrode deflection on welding head is not With, the wire feed system of tungsten electrode both sides and camera system can all work, it is also possible to be only It is located therein wire feed system and the camera system work of side, specifically, when described Welding head vertical position welding welding circular weld, the tungsten electrode on welding head is institute in such as Fig. 2 During the direction deflection shown, now the direct of travel of welding head should be counterclockwise, is positioned at Wire feed system on the left of tungsten electrode and camera system work, be positioned at it right as shown in Figure 2 The wire feed system of side does not works, and being positioned at the camera system on the right side of it can optionally work.

In one preferred embodiment, the tungsten electrode in described tungsten electrode system is to revolve Turning, it can rotate after stopping arc automatically, and regulates tungsten electrode deflection angle, it is possible to To regulate its deflection angle, tungsten electrode in welding process in this utility model preferably Automatically rotate under the control of tungsten electrode bar after welding head stops arc, and it is inclined to regulate tungsten electrode Gyration.

In this utility model, as shown in Figure 4, described welding gun gun body includes gun body shell 1a, described gun body shell 1a are the housings of hollow, and in flat, it is internally provided with Cooling system and a gas protection system, wherein, described cooling system includes offering Cooling water intake 1b on gun body shell and cooling water outlet 1c, and arrange At the cooling chamber 1d of gun body enclosure, described cooling chamber enters with described cooling water respectively The mouth of a river is connected with cooling water outlet, and described cooling chamber is positioned at the middle part of gun body shell, The cooling cooled chamber of current, thus for cooling welding tool gun body and tungsten electrode system thereon System；

A described gas protection system includes the once guarantor being opened in gun body shell rear Protect gas inlet 1e, be positioned at gun body enclosure a protective gas air chamber 1f and It is arranged on a protective gas gas outlet 1g in gun body shell front, this utility model In, as shown in Figure 4, with the side near tungsten electrode 2a as front, relative with front Side be rear, it is preferable that a described protective gas gas outlet 1g has two, Lay respectively at the both sides of tungsten electrode, it is further preferred that go out at a described protective gas Being provided with a gas filtration net outside QI KOU 1g, a described gas filtration net is used for Filter a protective gas, prevent the particulate matter carried in gas from entering into arc zone, Thus avoid interference being normally carried out of welding procedure.A described gas protection system is used In providing protective gas to molten bath, discharge the oxygen near molten bath by this protective gas Deng gas, prevent the gas in air from welding procedure being impacted, specifically, Extraneous protective gas enters into a protective gas by a protective gas air inlet Air chamber, through compression and the rectification of a protective gas air chamber, by once protecting gas Body gas outlet uniformly sprays.

In one preferred embodiment, as shown in Fig. 2, Fig. 4, at described rifle Being provided with rail groove 1h on the outer wall of body case, described rail groove is preferably located on rifle On the outer wall of body case obverse and reverse, it is further preferred that at gun body outer casing frontispiece Be both provided with two rail grooves parallel to each other on the outer wall of reverse side；

In one preferred embodiment, as shown in Fig. 2, Fig. 3, at described rifle The outside of body case is provided with secondary air protective cover 1i, and this secondary air protective cover is used In injecting noble gas in bevel for welding, assist a protective gas to welding region Do sufficient gas shield；Specifically, described secondary air protective cover is hollow shell Body, it offers second protection gas inlet and second protection gas outlet, Preferably, secondary air drainage screen is installed at second protection gas outlet；? Protective gas gas outlet and second protection gas outlet are all circumscribed with drainage screen, Make protective gas after filtering with stable and uniform shape spray, for welding protection more For fully.

In one preferred embodiment, described secondary air protective cover 1i can be Reciprocatingly slide along fore-and-aft direction on the outer wall of gun body shell, specifically, described On secondary air protective cover, the side of close gun body shell is provided with and is embedded into described track Locating piece in groove, by coordinating of described locating piece and described rail groove, described two Secondary gas shield cover can reciprocatingly slide on the outer wall of gun body shell；Preferably, institute State secondary air protection and be covered with two, lay respectively at the both sides of gun body shell；Further Ground, said two secondary air protective cover is all fixed on gun body shell by screw rod, When it slides when needs, suitably loosen described screw rod and can slide, wait to slide into During precalculated position, then screw described screw rod and be fixed.

By arranging slidably secondary air protective cover so that welding head is in welding During the groove of different depth, secondary air protective cover can withstand at groove in groove Second protection gas is provided, improves the stability of second protection gas supply, also carry Welding head application in the high safety of welding process, especially this utility model In revolution welding procedure, the depth of weld of welding gun is as time change, secondary Gas shield cover needs to adjust in real time its position；Preferably, described secondary air Protective cover uses copper material to make, to ensure that it has good heat conduction and heat radiation performance.

In one preferred embodiment, as shown in figures 2 and 5, described welding Head also includes that head adjusts system 6, described welding gun gun body 1 and tungsten electrode system thereon 2, wire feed system 3 and camera system 5 are all arranged in described head adjustment system 6, and Under head adjusts the drive of system, unification is mobile；Specifically, described head adjusts System includes AVC slide plate 6a, motor and voltage induced device；Wherein, described AVC Slide plate is used for driving welding gun gun body to move, and described welding head is directly fixedly mounted on institute Stating on AVC slide plate, described motor is for providing power, described voltage for AVC slide plate Induction installation is used for obtaining handpiece electrical arc voltage numerical information, and by this information with predetermined Numerical value compare, when a discrepancy exists, control AVC slide plate and move, thus carry Dynamic welding head moves, and then have adjusted the distance between tungsten electrode and molten bath, thus real Existing arc voltage tracking effect, butt welding machine head does adjustment automatically, it is ensured that welding quality.

In one preferred embodiment, described head adjustment system 6 also includes wired Road support 6c, described line tower is fixed on head by circuit fixed plate 6b and adjusts system On system, described line tower is provided with multiple draw-in groove 6d, for the fixing welding of combing Circuit in head, described circuit include for each motor or the power line of motor power supplying, The data wire line etc. of the cooling water pipe transmission electronic signal of each cooling water.

In this utility model, as shown in Figure 6, described wire feed system include wire feed bar 3a, Wire feed shaft bar 3b and adjust screw rod 3c, wherein, one end of described wire feed shaft bar with Wire feed bar is predetermined angular and fixes as one, and the other end is affixed with adjustment screw rod, from And make described wire feed bar 3a under the connection of wire feed shaft bar, along with adjusting screw rod Rotate and rotate, in this utility model preferably, the anglec of rotation of described adjustment screw rod Less, typically below 5 degree so that the front end of wire feed bar, i.e. welding wire is relative to tungsten electrode Can upwards move back and forth certain distance, generally 1～about 3mm, in order to according to Concrete operating mode adjusts the position of welding wire in real time.

In one preferred embodiment, described wire feed system also includes adjusting motor 3d, described adjustment motor is connected with described adjustment screw rod by drive link or travelling gear, And control to adjust screw rod rotation, thus realize the control to the wire feed bar anglec of rotation.

Wire feed bar described in this utility model is for providing continually for welding procedure Welding wire, be in wire-feed motor or wire-feed motor goes out fiber tube.

In this utility model, as shown in Figure 7, described camera system 5 includes being arranged on Connection support 5a on cross sliding board, is provided with fixing bar on described connection support 5a 5b and adjusting lever 5c, wherein, the adjustable in length of described adjusting lever 5c, the most described tune Whole bar is telescopic, and described fixing bar is with to be connected between support be without relative movement Affixed, described adjusting lever is with to be connected between support be rotating connection；Described shooting System 5 also includes video camera 5d, rotatably connects with fixing bar in the middle part of described video camera 5d Connecing, described video camera afterbody is rotatably attached with adjusting lever, at described video camera Front end is provided with photographic head 5e and illuminating lamp 5f；Described video camera be rotatable, can put Move, i.e. can be changed by the setting direction (angle) adjusting described video camera Photographic head towards thus adjust photographic head record image information, finally realize taking the photograph Real-time control as system, it is ensured that photographic head can arrive by real-time capture in welding process The most clear picture.Described camera system also include motor, described motor be used for Described adjusting lever provides flexible power, i.e. controls described adjusting lever by described motor Stroke, and then realize adjustment to photographic head shooting picture.

In one preferred embodiment, it is additionally provided with water at described video camera afterbody Cold joint mouth 5g, it for providing the cooling water of circulation for described video camera, it is ensured that shooting The temperature of system maintains in safety range.

In this utility model, as shown in Figure 8, described cross sliding board 4 includes cross slide seat 4a, two the slide block 4b that can slide along mutually perpendicular direction on cross slide seat, described Slide block 4b is respectively arranged at cross slide seat 4a and is parallel to each other on the front and back, is sliding The surface of block 4b offers installing hole, described installing hole can be used for respectively with camera system Affixed with wire feed system, such that it is able to drive shooting system by the movement of two slide blocks System i.e. moves relative to welding gun gun body relative to wire feed system, thus expands shooting system The monitoring range of system and visual angle, it is achieved monitor without dead angle.

In one preferred embodiment, as shown in Figure 8 and Figure 9, at described cross The cross section that is respectively arranged with on the front and back of slide 4a is trapezoidal slideway 4c, sliding The opening ecto-entad of road 4c is gradually reduced, and described cross slide seat is slided on the front and back The bearing of trend in road is mutually perpendicular to.Preferably, as shown in Figure 10, described slide block 4b Cross section is trapezoidal with what slideway 4c matched, and it can embed slideway 4c and prolong at slideway The side's of stretching upward sliding.

As shown in Fig. 8, Figure 10 and Figure 11, along sliding on the bottom surface within described slideway 4c It is semicircular slideway groove 4d that road bearing of trend is provided with cross section, as it is shown in figure 9, The bottom surface of described slide block is provided with big with slideway groove 4d along slide block glide direction The semicircular slip recess 4e that little, shape is consistent, described slideway groove 4d and slide block Groove 4e collectively forms the groove accommodating adjusting screw rod 4f.Recessed at the slide block of described slide block Being provided with screw thread on groove, this screw thread matches with the screw thread on described adjusting screw rod, from And carry out band movable slider by the rotation of adjusting screw rod and slide along slideway.At described cross Two motors it are additionally provided with, for controlling described adjusting screw rod respectively on slide plate.

In one preferred embodiment, as shown in Figure 8, at described slideway groove The middle part of 4d is provided with the semi-circular shape locating ring 4g vertical with slideway bearing of trend, as Shown in Figure 11, offer in the middle part of shown adjusting screw rod and described circular orientation ring phase The groove of coupling so that described locating ring 4g that adjusting screw rod 4f is fixed on slideway is recessed In groove 4d, to ensure the relative invariant position between adjusting screw rod 4f with cross slide seat 4a.

In further preferred embodiment as shown in figs. 8 and 12, at described slideway The side of 3c be provided with liner plate 4h, described liner plate 4h parallel with slideway bearing of trend and with Slideway sidewall is fastenedly connected, and offers jackscrew groove 4i at the back side of described liner plate 4h, Jackscrew groove is internally provided with jackscrew, adjusts slide by the extension elongation of regulation jackscrew Gap between 4a and slide block 4b.

Each motor or motor in this utility model can each work alone.

Above in association with preferred embodiment this utility model being illustrated, no It is only exemplary for crossing these embodiments, only plays illustrative effect.At this base On plinth, this utility model can be carried out multiple replacement and improvement, these each fall within this In the protection domain of utility model.

Claims (10)

1. the tungsten electrode system of a welding head, it is characterised in that described tungsten electrode system (2) include tungsten electrode bar (2b), in the front end of described tungsten electrode bar (2b), tungsten is installed Pole (2a), is provided with tungsten electrode screw thread (2c) on the rear end of described tungsten electrode bar；

Described tungsten electrode bar (2b) can drive tungsten electrode (2a) to rotate.

The tungsten electrode system of welding head the most according to claim 1, its feature exists In, described tungsten electrode bar (2b) is arranged on the gun body shell (1a) of welding gun gun body (1) On,

Described tungsten electrode bar (2b) passes from the middle part of gun body shell (1a), its front end The outside of gun body shell (1a) all it is exposed to rear end.

The tungsten electrode system of welding head the most according to claim 2, its feature exists In, described tungsten electrode (2a) and tungsten electrode screw thread (2c) are all exposed to gun body shell (1a) Outside.

The tungsten electrode system of welding head the most according to claim 1, its feature exists In, described tungsten electrode (2a) and described tungsten electrode bar (2b) are in predetermined angular.

The tungsten electrode system of welding head the most according to claim 1, its feature exists In, described tungsten electrode system (2) also includes the tungsten electrode motor being connected with described tungsten electrode screw thread (2d)。

The tungsten electrode system of welding head the most according to claim 1, its feature exists In, it is internally provided with water cooling tube at described tungsten electrode bar, the water inlet (2e) of described water cooling tube With the afterbody that outlet (2f) is all disposed within tungsten electrode bar.

The tungsten electrode system of welding head the most according to claim 1, its feature exists In, between described tungsten electrode system (2) and gun body shell (1a), it is provided with insulating boot.

The tungsten electrode system of welding head the most according to claim 1, its feature exists In, described welding head include welding gun gun body (1), tungsten electrode system (2), two give Silk system (3) and two camera systems (5), wherein, described tungsten electrode system is arranged on In welding gun gun body, two wire feed systems (3) lay respectively at welding gun gun body both sides,

Two wire feed systems are directly installed in described welding gun gun body；Two camera systems (5) it is arranged in described wire feed system by cross sliding board (4) respectively；

Described welding gun gun body (1) includes gun body shell (1a), described gun body shell (1a) Being the housing of hollow, in flat, it is internally provided with cooling system and a gas Protection system.

The tungsten electrode system of welding head the most according to claim 8, its feature exists In, described wire feed system includes wire feed bar (3a), wire feed shaft bar (3b) and adjusts Screw rod (3c), wherein, one end of described wire feed shaft bar and wire feed bar are predetermined angular And fix as one, the other end is affixed with adjustment screw rod.

The tungsten electrode system of welding head the most according to claim 8, its feature exists In, described camera system (5) includes connecting support (5a), at described connection support (5a) fixing bar (5b) and adjusting lever (5c), wherein, described adjustment it are provided with on Bar (5c) is telescopic；

Described camera system (5) also includes video camera (5d), described video camera (5d) Middle part is rotatably attached with fixing bar, and described video camera afterbody is rotatable with adjusting lever Ground connects, and is provided with photographic head (5e) and illuminating lamp (5f) in the front end of described video camera.