CN105643064B - A kind of tungsten electrode system of welding head - Google Patents
A kind of tungsten electrode system of welding head Download PDFInfo
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- CN105643064B CN105643064B CN201610194346.9A CN201610194346A CN105643064B CN 105643064 B CN105643064 B CN 105643064B CN 201610194346 A CN201610194346 A CN 201610194346A CN 105643064 B CN105643064 B CN 105643064B
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- tungsten electrode
- bar
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- gun body
- welding head
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
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- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a kind of tungsten electrode system of welding head, the tungsten electrode system includes tungsten electrode bar, is provided with tungsten electrode in the front end of the tungsten electrode bar, tungsten electrode screw thread is provided with the rear end of the tungsten electrode bar；The tungsten electrode bar passes through from the middle part of gun body shell, and its front-end and back-end is all exposed to the outside of gun body shell, also, the tungsten electrode bar can drive tungsten electrode to rotate；Welding head in the present invention can endless-rotating, during its revolution, welding head can be turned round in different directions, when welding head turns round, the deflection angle of tungsten electrode thereon needs to match with gyratory directions, so rotatable tungsten electrode can rapidly adjust its angle direction, is adapted with the gyratory directions of welding head, so as to improve its welding quality, to cause welding product to disclosure satisfy that the quality requirement of nuclear power product.
Description
Technical field
The present invention relates to technical field of welding equipment, and in particular to a kind of tungsten electrode system of welding head.
Background technology
HTGR evaporator project worldwide for there is no any enterprise to fabricate completion, therefore
HTGR evaporator project has been listed in national significant development project.Required according to the manufacturing technology of nuclear power product, it is existing
Device structure and function can not fully meet the processing and manufacturing requirement of high temperature gas-cooled reactor project, especially HTGR and evaporate
The all-position welding of device general assembly weld seam and the welding of 2G positions are even more industry a great problem, and the groove of the weld seam is small, and welding bead is deep, and its is right
The quality requirement of welding is extremely strict, and the weld seam for welding to obtain by common welding equipment can not meet the quality of nuclear power product
It is required that therefore, need a kind of new welding equipment that can solve the problem that above mentioned problem badly.
Due to the above problems, the welding process requirement of the present inventor's combination product, devising one kind can be unlimited
The narrow gap TIG weld head of revolution, the welding head be arranged on can with the branch bar of endless-rotating, branch bar drive next time
Turn welding groove, the welding head also can be widely applied to the manufacture of nuclear power, boiler, petrochemical industry container uniform thickness wall product.
The content of the invention
In order to overcome above mentioned problem, present inventor has performed studying with keen determination, a kind of tungsten electrode system of welding head is designed,
The tungsten electrode system includes tungsten electrode bar, is provided with tungsten electrode in the front end of the tungsten electrode bar, is provided with the rear end of the tungsten electrode bar
Tungsten electrode screw thread；The tungsten electrode bar passes through from the middle part of gun body shell, and its front-end and back-end is all exposed to the outside of gun body shell, and
And the tungsten electrode bar can drive tungsten electrode to rotate；Welding head in the present invention can endless-rotating, in the process of its revolution
In, welding head can be turned round in different directions, and the deflection angle of the tungsten electrode when welding head turns round thereon needs
Match with gyratory directions, so rotatable tungsten electrode can rapidly adjust its angle direction, the revolution side with welding head
To being adapted, so as to improve its welding quality, to cause welding product to disclosure satisfy that the quality requirement of nuclear power product, so as to complete
The present invention.
In particular it is object of the present invention to provide a kind of tungsten electrode system of welding head, the tungsten electrode system 2 includes
Tungsten electrode bar 2b, tungsten electrode 2a is installed in the front end of the tungsten electrode bar 2b, tungsten electrode screw thread is provided with the rear end of the tungsten electrode bar
2c；
Preferably, the tungsten electrode bar 2b can drive tungsten electrode 2a to rotate.
Wherein, the tungsten electrode bar 2b is arranged in welding gun gun body 1,
Preferably, the tungsten electrode bar 2b is arranged on the gun body shell 1a of welding gun gun body 1,
It is further preferred that the tungsten electrode bar 2b passes through from gun body shell 1a middle part, its front-end and back-end is all exposed to
Gun body shell 1a outside.
Wherein, tungsten electrode 2a and tungsten electrode the screw thread 2c is exposed to gun body shell 1a outside.
Wherein, the tungsten electrode 2a and tungsten electrode bar 2b is in predetermined angular.
Wherein, the tungsten electrode system 2 also includes the tungsten electrode motor 2d being connected with the tungsten electrode screw thread；
Preferably, the tungsten electrode motor 2d drives the rotation of tungsten electrode bar, and then adjusts the deflection angle of tungsten electrode.
Wherein, water cooling tube is internally provided with the tungsten electrode bar, the water inlet 2e and delivery port 2f of the water cooling tube are set
Put the afterbody in tungsten electrode bar.
Wherein, insulating boot is provided between the tungsten electrode system 2 and gun body shell 1a,
Preferably, the insulating boot is ceramic insulation cover.
Wherein, the welding head includes welding gun gun body 1,2, two wire feed systems 3 of tungsten electrode system and two camera systems
5, wherein, the tungsten electrode system is arranged in welding gun gun body, and two wire feed systems 3 are located at welding gun gun body both sides respectively,
Preferably, two wire feed systems are directly installed in the welding gun gun body；Two camera systems 5 pass through cross respectively
Slide plate 4 is arranged in the wire feed system.
It is further preferred that the welding gun gun body 1 includes gun body shell 1a, the gun body shell 1a is hollow housing,
In flat, it is internally provided with cooling system and a gas protection system.
Wherein, the wire feed system includes wire feed bar 3a, send screw rod bracket 3b and adjusting bolt 3c, wherein, the wire feed
One end of bar support in predetermined angular and fixes as one with wire feed bar, and the other end is affixed with adjusting bolt；
Preferably, the adjusting bolt 3c can drive wire feed bar 3a to rotate.
Wherein, the camera system 5 includes connecting bracket 5a, and fix bar 5b and tune are provided with the connecting bracket 5a
Whole bar 5c, wherein, the adjustment bar 5c is telescopic；
Preferably, the camera system 5 also includes with fix bar rotatably connecting in the middle part of video camera 5d, the video camera 5d
Connect, the shooting drive end unit is rotatably attached with adjustment bar, and the front end of the video camera is provided with camera 5e and illumination
Lamp 5f.
Beneficial effect includes possessed by the present invention：
(1) it is rotatable according to the tungsten electrode in tungsten electrode system provided by the invention so that under different welding conditions,
Welding procedure demand can be adapted to by adjusting the yawing moment of tungsten electrode；
(2) it is arranged on according to tungsten electrode system provided by the invention in welding gun gun body, welding gun gun body is provided with two protection gas
System is united so that and protective gas is more abundant in welding process, more preferable to the protecting effect in tungsten electrode and molten bath in welding process, with
Ensure that welding quality is enough, meet the requirement of nuclear power product welding quality；
(3) it is provided with rail groove according in welding gun gun body provided by the invention so that secondary air protective cover energy thereon
It is enough to be slided along rail groove, improve the flexibility of equipment；
(4) tungsten electrode system both sides provided by the invention are provided with wire feed system, and the wire feed bar of the wire feed system
It is rotatable so that the relative position between welding wire and molten bath is controllable, improves welding quality；
(5) it is arranged on according to camera system provided by the invention by cross sliding board in wire feed system, expands shooting system
The monitoring range of system and visual angle, realize no dead angle monitoring.
Brief description of the drawings
Fig. 1 is shown according to a kind of tungsten electrode system structure diagram of preferred embodiment of the present invention；
Fig. 2 is shown according to a kind of welding head overall top view of preferred embodiment of the present invention；
Fig. 3 is shown according to a kind of welding head entirety side view of preferred embodiment of the present invention；
Fig. 4 is shown according to a kind of welding gun lance body structure schematic diagram of preferred embodiment of the present invention；
Fig. 5 shows to adjust system structure diagram according to a kind of head of preferred embodiment of the present invention；
Fig. 6 is shown according to a kind of wire feed system structural representation of preferred embodiment of the present invention；
Fig. 7 is shown according to a kind of camera system structural representation of preferred embodiment of the present invention；
Fig. 8 is shown according to a kind of cross sliding board overall structure diagram of preferred embodiment of the present invention；
Fig. 9 is shown according to a kind of cross slide seat structural representation of preferred embodiment of the present invention；
Figure 10 is shown according to a kind of slide block structure schematic diagram of preferred embodiment of the present invention；
Figure 11 is shown according to a kind of adjusting screw rod structural representation of preferred embodiment of the present invention；
Figure 12 is shown according to a kind of lining plate structure schematic diagram of preferred embodiment of the present invention.
Drawing reference numeral explanation：
1- welding gun gun bodies
1a- gun body shells
1b- cooling water intakes
1c- cooling water outlets
1d- cooling chambers
Protective gas air inlet of 1e-
Protective gas air chamber of 1f-
Protective gas gas outlet of 1g-
1h- rail grooves
1i- secondary air protective covers
2- tungsten electrode systems
2a- tungsten electrodes
2b- tungsten electrode bars
2c- tungsten electrode screw threads
2d- tungsten electrode motors
2e- water inlets
2f- delivery ports
3- wire feed systems
3a- wire feed bars
3b- send screw rod bracket
3c- adjusting bolts
3d- adjusts motor
4- cross sliding boards
4a- cross slide seats
4b- sliding blocks
4c- slideways
4d- slideway grooves
4e- slip recess
4f- adjusting screw rods
4g- locating rings
4h- liner plates
4i jackscrew grooves
5- camera systems
5a- connecting brackets
5b- fix bars
5c- adjusts bar
5d- video cameras
5e- cameras
5f- illuminating lamps
5g- water cooling interfaces
6- heads adjust system
6a-AVC slide plates
6c- line towers
6b- circuit fixed plates
6d- necks
Embodiment
Below by drawings and examples, the present invention is described in more detail.Pass through these explanations, the features of the present invention
It will be become more apparent from clearly with advantage.
Special word " exemplary " is meant " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.Although each of embodiment is shown in the drawings
In terms of kind, but unless otherwise indicated, it is not necessary to accompanying drawing drawn to scale.
According to the tungsten electrode system of welding head provided by the invention, as shown in fig. 1, the tungsten electrode system includes tungsten electrode bar
2b, the tungsten electrode bar 2b are passed through among welding gun gun body 1, it is preferable that are passed through from gun body shell 1a centre；Its front-end and back-end
Gun body shell 1a outside is all exposed to, is passed in the front end of the tungsten electrode bar 2b and tungsten electrode 2a is installed with part, preferably
Ground, the tungsten electrode and the tungsten electrode bar are in predetermined angular；Tungsten electrode screw thread 2c is provided with the rear end of the tungsten electrode bar；The tungsten
Electrode systems also include the tungsten electrode motor 2d for being threaded through screw rod with the tungsten electrode and being connected, and the tungsten electrode motor drives tungsten by screw rod
Pole bar rotates, and then drives tungsten electrode rotation, realizes the adjustment to tungsten electrode deflection angle.
In one preferred embodiment, water cooling tube, the water inlet of the water cooling tube are internally provided with the tungsten electrode bar
Mouth 2e and delivery port 2f is all disposed within the afterbody of tungsten electrode bar, and the water cooling tube is extended near tungsten electrode in tungsten electrode bar, for leading to
Supercooled water cools down tungsten electrode, ensures that tungsten electrode is within the scope of the temperature of safety；
In one preferred embodiment, the tungsten electrode system insulate with welding gun gun body, in the tungsten electrode system and weldering
Insulating boot is provided between rifle gun body, the insulating boot can be the seal made of the materials such as ceramics.
According to welding head provided by the invention, as shown in Fig. 2, Fig. 3, the welding head includes welding gun gun body 1, tungsten electrode
2, two wire feed systems 3 of system and two camera systems 5, wherein, the tungsten electrode system is arranged in welding gun gun body, it is preferable that
The tungsten electrode system runs through gun body shell 1a from middle part；Two wire feed systems 3 are located at welding gun gun body both sides respectively, it is preferable that two
Individual wire feed system is directly installed in the welding gun gun body；Two camera systems 5 are arranged on described send by cross sliding board 4 respectively
In silk system；Connected as one so as to which all parts are fastened to each other in whole welding head.
Welding head provided by the invention is mainly used in welding circular weld by way of revolution, and the welding head can be with
All-position welding, including the welding manner such as horizontal position welding and vertical position welding are performed, when circular weld is welded in its vertical position welding, in general welding procedure
Including two steps, wherein, step 1 is in the direction starting the arc of 6 o'clock, and 12 o'clock direction is soldered to along circular weld, this welding
In step, welding head can advance clockwise, can also be advanced along counter clockwise direction, and step 2 is at 6 points
The starting the arc of clock direction, 12 o'clock direction is soldered to along circular weld, in this welding step, the direct of travel and step of welding head
Direction in one is different.
In above-mentioned two welding step, the direction of the tungsten electrode deflection on welding head is different, the wire feed system of tungsten electrode both sides
System and camera system all can work or be only positioned at the wherein wire feed system of side and camera system work, specific next
Say, when the tungsten electrode on welding head vertical position welding welding circular weld, welding head deflects to direction as shown in Figure 2,
Now the direct of travel of welding head should be counterclockwise, positioned at the wire feed system and camera system on the left of tungsten electrode as shown in Figure 2
Work, the wire feed system on the right side of it does not work, and the camera system on the right side of it can optionally work.
In one preferred embodiment, the tungsten electrode in the tungsten electrode system is rotatable that it can be after arc be stopped
Automatic rotation, and adjust tungsten electrode deflection angle, can also adjust its deflection angle in welding process, in the present invention preferably,
Tungsten electrode rotates automatically after welding head stops arc under the control of tungsten electrode bar, and adjusts tungsten electrode deflection angle.
In the present invention, as shown in figure 4, the welding gun gun body includes gun body shell 1a, the gun body shell 1a is hollow
Housing, in flat, it is internally provided with cooling system and a gas protection system, wherein, the cooling system includes opening
The cooling water intake 1b and cooling water outlet 1c being located on gun body shell, and it is arranged on the cooling chamber of gun body enclosure
1d, the cooling chamber are connected with the cooling water intake and cooling water outlet respectively, and the cooling chamber is located at gun body shell
Middle part, cooling water flows through cooling chamber, so as to tungsten electrode system for cooling welding tool gun body and thereon；
Gas protection system includes being opened in a protective gas air inlet 1e at gun body shell rear, is located at
Protective gas air chamber 1f of a gun body enclosure and protective gas gas outlet 1g being arranged in front of gun body shell, this
In invention, as shown in Figure 4, so that close to tungsten electrode 2a side, as front, the side relative with front is rear, it is preferable that institute
Stating a protective gas gas outlet 1g has two, respectively positioned at the both sides of tungsten electrode, it is further preferred that once protecting gas described
Once gas filtration net is set outside the 1g of body gas outlet, and a gas filtration net is used to filter a protective gas, prevented
The particulate matter only carried in gas enters arc zone, so as to avoid disturbing being normally carried out for welding procedure.The once gas
Body protection system is used to provide protective gas to molten bath, discharges the gases such as the oxygen near molten bath by the protective gas, prevents
Gas in air impacts to welding procedure, and specifically, extraneous protective gas passes through a protective gas air inlet
A protective gas air chamber is entered, by the compression and rectification of a protective gas air chamber, passes through a protective gas outlet
Mouth uniformly sprays.
In one preferred embodiment, as shown in Fig. 2, Fig. 4, rail is set on the outer wall of the gun body shell
Road groove 1h, the rail groove are preferably located on the outer wall of gun body outer casing frontispiece and reverse side, it is further preferred that outside gun body
Two rail grooves parallel to each other are both provided with the outer wall of shell obverse and reverse；
In one preferred embodiment, as shown in Fig. 2, Fig. 3, it is provided with the outside of the gun body shell secondary
Gas shield cover 1i, the secondary air protective cover are used to inject inert gas into welding groove, aid in a protective gas pair
Welding region does sufficient gas shield；Specifically, the secondary air protective cover is hollow housing, is offered thereon secondary
Protective gas air inlet and second protection gas outlet, it is preferable that secondary gas is installed at second protection gas outlet
Body screen pack；Screen pack is all circumscribed with a protective gas gas outlet and second protection gas outlet so that protective gas
Sprayed after filtering with stable and uniform shape, the protection for welding is more abundant.
In one preferred embodiment, the secondary air protective cover 1i can on the outer wall of gun body shell along
Fore-and-aft direction reciprocatingly slides, and specifically, the side of gun body shell is provided with insertion on the secondary air protective cover
To the locating piece in the rail groove, by the cooperation of the locating piece and the rail groove, the secondary air protective cover can
To be reciprocatingly slided on the outer wall of gun body shell；Preferably, the secondary air protection is covered with two, respectively positioned at gun body shell
Both sides；Further, described two secondary air protective covers are all fixed on gun body shell by screw rod, are slided when needing its
When, line slip can be entered by suitably loosening the screw rod, when precalculated position is slid into, then screwed the screw rod and be fixed.
By setting slidable secondary air protective cover so that welding head is when welding the groove of different depth, and two
Secondary gas shield cover can be withstood on provides second protection gas into groove at groove, improve the steady of second protection gas supply
It is qualitative, also improve the security of welding process, the especially welding head in the present invention and be applied in revolution welding procedure, weldering
The depth of weld of rifle changes over time, and secondary air protective cover needs to adjust its position in real time；Preferably, it is described
Secondary air protective cover is made of copper material, to ensure that it has good heat conduction and heat radiation performance.
In one preferred embodiment, as shown in figures 2 and 5, the welding head also includes head adjustment system
System 6, the welding gun gun body 1 and tungsten electrode system 2, wire feed system 3 and camera system 5 thereon are all arranged on head adjustment system
On system 6, and the unified movement under the drive of head adjustment system；Specifically, the head adjustment system includes AVC slide plates
6a, motor and voltage induced device；Wherein, the AVC slide plates are used to drive welding gun gun body to move, and the welding head is directly solid
Dingan County is on the AVC slide plates, and the motor is used to provide power for AVC slide plates, and the voltage induced device is used to obtain
Head arc voltage numerical information, and by the information compared with predetermined numerical value, when a discrepancy exists, control AVC slide plates
It is mobile, so as to drive welding head to move, and then the distance between tungsten electrode and molten bath are have adjusted, so as to realize arc voltage tracking effect
Fruit, butt welding machine head do adjust automatically, ensure welding quality.
In one preferred embodiment, the head adjustment system 6 also includes line tower 6c, the circuit branch
Frame is fixed in head adjustment system by circuit fixed plate 6b, multiple neck 6d is provided with the line tower, for combing
Circuit in the fixed welding head of reason, the circuit include being the power line of each motor or motor power supply, each cooling water
Cooling water pipe transmits data wire line of electronic signal etc..
In the present invention, as shown in fig. 6, the wire feed system includes wire feed bar 3a, send screw rod bracket 3b and adjusting bolt 3c,
Wherein, described to send one end of screw rod bracket to be in predetermined angular with wire feed bar and fix as one, the other end is affixed with adjusting bolt,
So that the wire feed bar 3a rotates under the connection for sending screw rod bracket with the rotation of adjusting bolt, it is excellent in the present invention
Selection of land, the anglec of rotation of the adjusting bolt is smaller, typically below 5 degree so that the front end of wire feed bar, i.e., welding wire is relative to tungsten
Pole can move back and forth certain distance, generally 1~3mm or so upwards, in order to adjust welding wire in real time according to specific operating mode
Position.
In one preferred embodiment, the wire feed system also includes adjustment motor 3d, and the adjustment motor passes through
Drive link or travelling gear are connected with the adjusting bolt, and control adjusting bolt to rotate, so as to realize to the wire feed bar anglec of rotation
The control of degree.
Heretofore described wire feed bar is used to provide endlessly welding wire, as wire-feed motor or wire feed for welding procedure
Go out fiber tube in machine.
In the present invention, as shown in Figure 7, the camera system 5 includes the connecting bracket 5a being arranged on cross sliding board,
Fix bar 5b and adjustment bar 5c are provided with the connecting bracket 5a, wherein, the adjustable in length of the adjustment bar 5c is that is, described
It is telescopic to adjust bar, is the affixed of no relative movement between the fix bar and connecting bracket, and the adjustment bar is with being connected
It is rotatably to connect between support；The camera system 5 also includes can with fix bar in the middle part of video camera 5d, the video camera 5d
Rotatably connect, the shooting drive end unit is rotatably attached with adjustment bar, and the front end of the video camera is provided with camera
5e and illuminating lamp 5f；The video camera is rotatable, swingable, you can with the setting direction by adjusting the video camera
(angle) come change the direction of camera so as to adjust camera recording image information, finally realize to the real-time of camera system
Control, ensure in welding process camera can real-time capture to preferably clear picture.The camera system also includes electricity
Machine, the motor is used to provide flexible power to the adjustment bar, i.e., by adjusting the flexible of bar described in the motor control
Amount, and then realize the adjustment to camera shooting picture.
In one preferred embodiment, water cooling interface 5g is additionally provided with the shooting drive end unit, it is used for for institute
The cooling water that video camera provides circulation is stated, ensures that the temperature of camera system is maintained in safe range.
In the present invention, as shown in figure 8, the cross sliding board 4 includes cross slide seat 4a, can hung down on cross slide seat along mutual
To two sliding block 4b of slip, the sliding block 4b is respectively arranged at cross slide seat 4a and is parallel to each other on the front and back Nogata,
Offer mounting hole on sliding block 4b surface, the mounting hole can be used for it is affixed with camera system and wire feed system respectively, so as to
By the movement of two sliding blocks camera system can be driven to be moved relative to wire feed system relative to welding gun gun body, so as to expand
The monitoring range of big camera system and visual angle, realize no dead angle monitoring.
In one preferred embodiment, as shown in Figure 8 and Figure 9, in the cross slide seat 4a on the front and back
It is trapezoidal slideway 4c to be respectively arranged with cross section, and slideway 4c opening ecto-entad is gradually reduced, the cross slide seat front
It is mutually perpendicular to the bearing of trend of back side sliding way.Preferably, as shown in Figure 10, the cross section of the sliding block 4b is and slideway 4c
What is be engaged is trapezoidal, and it can be embedded in slideway 4c and be slided on slideway bearing of trend.
As shown in Fig. 8, Figure 10 and Figure 11, it is provided with the bottom surface inside the slideway 4c along slideway bearing of trend transversal
Face is semicircular slideway groove 4d, as shown in figure 9, being provided with the bottom surface of the sliding block along sliding block glide direction and slideway
The consistent semicircular slip recess 4e of groove 4d sizes, shape, the slideway groove 4d and slip recess 4e collectively form appearance
Receive adjusting screw rod 4f groove.Screw thread is provided with the slip recess of the sliding block, on the screw thread and the adjusting screw rod
Screw thread matches, so as to be slided by the rotation of adjusting screw rod come band movable slider along slideway.Also set on the cross sliding board
Two motors are equipped with, for controlling the adjusting screw rod respectively.
In one preferred embodiment, as shown in Figure 8, it is provided with the middle part of the slideway groove 4d and slideway
The vertical semi-circular shape locating ring 4g of bearing of trend, as shown in Figure 11, is offered and the ring in the middle part of shown adjusting screw rod
The groove that shape locating ring matches, so that adjusting screw rod 4f is fixed in slideway groove 4d by the locating ring 4g, to ensure
Relative position between adjusting screw rod 4f and cross slide seat 4a is constant.
In further preferred embodiment as shown in figs. 8 and 12, the side of the slideway 3c is provided with liner plate
4h, the liner plate 4h are parallel with slideway bearing of trend and are fastenedly connected with slideway side wall, are offered at the back side of the liner plate 4h
Jackscrew groove 4i, jackscrew is internally provided with jackscrew groove, by adjust the extension elongation of jackscrew adjust slide 4a and sliding block 4b it
Between gap.
Each motor or motor in the present invention can each work independently.
Above in association with preferred embodiment, the present invention is described, but these embodiments are only exemplary
, only play illustrative effect.On this basis, a variety of replacements and improvement can be carried out to the present invention, these each fall within this
In the protection domain of invention.
Claims (4)
- A kind of 1. tungsten electrode system of welding head, it is characterised in that the tungsten electrode system（2）Including tungsten electrode bar（2b）, described Tungsten electrode bar（2b）Front end tungsten electrode is installed（2a）, tungsten electrode screw thread is provided with the rear end of the tungsten electrode bar（2c）；The tungsten electrode bar（2b）Tungsten electrode can be driven（2a）Rotation；The tungsten electrode bar（2b）Installed in welding gun gun body（1）Gun body shell（1a）On, the tungsten electrode bar（2b）From gun body shell （1a）Middle part pass through, its front-end and back-end is all exposed to gun body shell（1a）Outside；The tungsten electrode（2a）With tungsten electrode screw thread（2c）All it is exposed to gun body shell（1a）Outside；Water cooling tube, the water inlet of the water cooling tube are internally provided with the tungsten electrode bar（2e）And delivery port（2f）It is all disposed within tungsten The afterbody of pole bar；The tungsten electrode（2a）With the tungsten electrode bar（2b）In predetermined angular；The tungsten electrode system（2）Also include the tungsten electrode motor being connected with the tungsten electrode screw thread（2d）；The tungsten electrode motor（2d）The rotation of tungsten electrode bar is driven, and then adjusts the deflection angle of tungsten electrode；In the tungsten electrode system（2）With Gun body shell（1a）Between be provided with insulating boot,The insulating boot is ceramic insulation cover.
- 2. the tungsten electrode system of welding head according to claim 1, it is characterised in that the welding head includes welding gun rifle Body（1）, tungsten electrode system（2）, two wire feed systems（3）With two camera systems（5）, wherein, the tungsten electrode system is arranged on weldering In rifle gun body, two wire feed systems（3）It is located at welding gun gun body both sides respectively,Two wire feed systems are directly installed in the welding gun gun body；Two camera systems（5）Pass through cross sliding board respectively（4）Peace In the wire feed system；The welding gun gun body（1）Including gun body shell（1a）, the gun body shell（1a）It is hollow housing, in flat, its It is internally provided with cooling system and a gas protection system.
- 3. the tungsten electrode system of welding head according to claim 2, it is characterised in that the wire feed system includes wire feed bar （3a）, send screw rod bracket（3b）And adjusting bolt（3c）, wherein, it is described that to send one end of screw rod bracket and wire feed bar be in predetermined angular And fix as one, the other end is affixed with adjusting bolt.
- 4. the tungsten electrode system of welding head according to claim 2, it is characterised in that the camera system（5）Including even Connect support（5a）, in the connecting bracket（5a）On be provided with fix bar（5b）With adjustment bar（5c）, wherein, the adjustment bar （5c）It is telescopic；The camera system（5）Also include video camera（5d）, the video camera（5d）Middle part is rotatably attached with fix bar, institute State shooting drive end unit to be rotatably attached with adjustment bar, the front end of the video camera is provided with camera（5e）And illuminating lamp （5f）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610194346.9A CN105643064B (en) | 2016-03-31 | 2016-03-31 | A kind of tungsten electrode system of welding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610194346.9A CN105643064B (en) | 2016-03-31 | 2016-03-31 | A kind of tungsten electrode system of welding head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105643064A CN105643064A (en) | 2016-06-08 |
| CN105643064B true CN105643064B (en) | 2018-01-30 |
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| CN201610194346.9A Active CN105643064B (en) | 2016-03-31 | 2016-03-31 | A kind of tungsten electrode system of welding head |
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| CN112296489A (en) * | 2020-10-15 | 2021-02-02 | 中广核工程有限公司 | Clamp type automatic welding head |
| CN113814532B (en) * | 2021-09-27 | 2022-07-26 | 华南理工大学 | Rotary tungsten electrode TIG (tungsten inert gas) welding system for welding inner wall of pipe fitting with extremely small diameter |
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