CN107414263A - A kind of three tungsten electrode heating wire TIG welding guns - Google Patents
A kind of three tungsten electrode heating wire TIG welding guns Download PDFInfo
- Publication number
- CN107414263A CN107414263A CN201710808660.6A CN201710808660A CN107414263A CN 107414263 A CN107414263 A CN 107414263A CN 201710808660 A CN201710808660 A CN 201710808660A CN 107414263 A CN107414263 A CN 107414263A
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- CN
- China
- Prior art keywords
- gun body
- wire
- water
- tig welding
- welding guns
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B23K9/28—Supporting devices for electrodes
-
- 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
- B23K9/1675—Arc welding or cutting making use of shielding gas and of a non-consumable electrode making use of several electrodes
-
- 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
- B23K9/26—Accessories for electrodes, e.g. ignition tips
-
- 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
- B23K9/28—Supporting devices for electrodes
- B23K9/285—Cooled electrode holders
Abstract
A kind of three tungsten electrode heating wire TIG welding guns belong to Automation of Welding control field, relate generally to a kind of TIG welding guns;The present invention is in order to solve traditional TIG weldering for current load ability, the problem of the limitation of arc power;Gun body including inner hollow, the side of gun body is pipette tips, opposite side is gun breech, ignition tip is provided with pipette tips, include wire-feeding pipe and some tungsten electrodes in gun body, one end of wire-feeding pipe and tungsten electrode is extended to outside ignition tip inside gun body, the central axis of wire-feeding pipe and the centerline axis parallel of tungsten electrode, and tungsten electrode is uniformly distributed around the circumference of wire-feeding pipe;In the technological problemses such as arc blow caused by welding, heated filament feeding position fluctuation when effective solution of the invention uses the TIG welders of external resistance heating preheating wire welding.
Description
Technical field
A kind of TIG welding guns belong to Automation of Welding control field, relate generally to a kind of three tungsten electrode heating wire TIG welding guns.
Background technology
Traditional TIG welderings are because the current capacity of its electrode is limited, and arc power is by a definite limitation, weld penetration
It is shallow, speed of welding is small, and in existing hot wire TIG welding's connection device, welding wire is preheated and uses external resistance heating mostly
Mode, in welding wire above with electric current, using the resistance heat production of welding wire itself so as to realizing the preheating to welding wire, resistance heating
There are several big technological problemses in hot wire TIG welding, be arc blow respectively, the fluctuation of heated filament feeding position, oxidation is difficult before welding wire enters molten bath
Be restricted with controlling and melting the ability of base metals, be unfavorable for electric arc be accurately positioned and be difficult to apply to copper, aluminium it is contour
In the welding of conductivity material, and oxidation of the welding wire before molten bath is entered is difficult control, and at present, copper, aluminium alloy are widely applied
In key areas such as aviation, national defence, nuclear powers.Traditional wire feeding mode installs an auxiliary additional and sent for manually wire feed or welding gun end
Silk rifle, belongs to from outside wire feed, in the external energy for contacting electric arc of nozzle, arc energy has certain loss before its contact.
Compel to be essential in terms of hot compress efficiency, pre-heat effect, weldquality suitable for hot wire TIG welding's welding technique of copper alloy, aluminium alloy
Lifted.
The content of the invention
In order to solve the above problems, the invention discloses a kind of three tungsten electrode heating wire TIG welding guns, solve traditional TIG welderings for
Current load ability, the limitation of arc power.
The object of the present invention is achieved like this:
A kind of three tungsten electrode heating wire TIG welding guns, include the gun body of inner hollow, and the side of gun body is pipette tips, and opposite side is gun breech, rifle
Ignition tip is provided with head, the outer wall of ignition tip connects by establishing insulated enclosure with gun body inwall circumferentially around its outside insulated ring
Connecing, include wire-feeding pipe and some tungsten electrodes in gun body, one end of wire-feeding pipe and tungsten electrode is extended to ignition tip inside gun body,
The central axis of wire-feeding pipe and the centerline axis parallel of tungsten electrode, tungsten electrode are uniformly distributed around the circumference of wire-feeding pipe.
The gun body afterbody is provided with and screws bar, screws in bar end portion insertion gun body, and screw the outer wall and gun body of bar
Inner wall sealing is bonded, and one end of the wire-feeding pipe is penetrated by the upper end for screwing bar to be passed after screwing bar by ignition tip.
The upper end of the tungsten electrode is connected with screwing the lower surface of bar.
The gun body includes internal water cooling system and external water cooling system, and external water cooling system is soft including water cooling tube, cooling
Pipe and water-cooled nozzle, the side wall of water-cooled nozzle is interior to be provided with water-cooling channel, and water-cooled nozzle is arranged on the outside of ignition tip, water cooling tube
Connected by cooling tube with the water-cooling channel of water-cooled nozzle, the cooling nozzles in the presence of cooling water, ensureing that constant temperature extends makes
With performance, while reach the purpose of compression arc, improve welding arc deflection and obtain higher welding quality, it is soft using cooling down
Pipe, facilitates cooling nozzles to be dismantled as needed;
Established and connected by screw set between the water-cooled nozzle and gun body.
The internal water cooling system includes annular water cooling labyrinth, and the input of water cooling labyrinth and the output end of water cooling tube connect
Connect, the heat that tungsten electrode passes over from end at work taken away by the flowing of cooling water, ensures the steady temperature in gun body,
Stablize lasting work to reach welding gun.
The cross section of the water-cooling channel of the water-cooled nozzle is in major arc shape.
The wire-feeding pipe is made of insulation high-temperature-resistant material, for wire feed of supplying gas.
The TIG welding guns include breather pipe, and breather pipe is sent into gas by the tail end of gun body.
Gun body is provided with gas circuit stomata, the circulation for protective gas.
The present invention compared with prior art, has the advantages that:The present invention effectively solves traditional TIG welderings for electricity
Current load ability, the problem of the limitation of arc power, wire feed of being supplied gas in the middle part of three tungsten electrodes, welding wire is prevented to be oxidized, in wire feed
Tube end preheats to welding wire, caused by welding when solution uses the TIG welders of external resistance heating preheating wire welding
The technological problemses such as arc blow, heated filament feeding position fluctuation;Tungsten electrode in the present invention is parallel with wire-feeding pipe, and pre-heat effect is uniform, rifle
Body is elongated, and with the loss of tungsten electrode, adjustment extruding is carried out by the bar that screws of upper end, realizes continual tungsten electrode transmission, tradition
Tungsten electrode and wire-feeding pipe between arrangement at an angle form, warm is in gradual change type, and gun body is excessive, tungsten electrode loss
Afterwards, shutdown replacement can only be carried out, speed of production reduces, and loss is big, adds the cost of enterprise;The present invention increases welding pool
Surface area and pool depth, deposition amount is improved in the unit interval, improve welding efficiency, water-cooled nozzle structure of the invention is real
Existing electric arc compression, obtains the higher electric arc of deflection.Welding wire in nozzle with electric arc begin contact, more conventional conventional external wire feed, more
Sufficiently utilize the energy of electric arc.
Brief description of the drawings
Three tungsten electrode welding gun internal structure schematic diagrams of Fig. 1 embodiment of the present invention;
Three tungsten electrode welding gun external structure schematic diagrams of Fig. 2 embodiment of the present invention;
Fig. 3 is Fig. 2 side view;
Fig. 4 is Fig. 2 top view.
Embodiment
The specific embodiment of the invention is described in further detail below in conjunction with the accompanying drawings.
The heating wire TIG welding gun of three tungsten electrode of one kind 1 of the present embodiment, include the gun body 12 of inner hollow, as shown in figure 1, gun body
12 lower end is pipette tips, and upper end is gun breech, and ignition tip 2 is provided with pipette tips, and the outer wall of ignition tip 2 passes through circumferentially around its outside
Bakelite 14 is established insulated enclosure with the inwall of gun body 12 and is connected, and the outer wall of the ignition tip 2 is provided with external screw thread, rubber wood timber
Inwall is provided with the internal thread of matching, and rubber wood timber is fixedly connected by the internal and external threads of mutual cooperation with ignition tip 2,
The afterbody of gun body 12 is provided with and screws bar 10, and gun body 12 screws bar 10 and screws one end of the wire-feeding pipe 11 of 10 gun body of bar 12 by revolving
The upper end of tight bar 10 penetrates to be passed after screwing bar 10 by ignition tip 2,11 3 tungsten electrodes 1 of wire-feeding pipe, wire-feeding pipe 11 in gun body 12
One end of tungsten electrode 1 is extended to inside gun body 12 to ignition tip 2, the upper end of tungsten electrode 1 and screw the lower surface of bar 10 against
Connection, the central axis of wire-feeding pipe 11 and the centerline axis parallel of tungsten electrode 1, tungsten electrode 1 are uniformly distributed around the circumference of wire-feeding pipe 11,
The inwall on the top of gun body 12 is provided with internal thread, and the outer wall for screwing bar 10 is provided with external screw thread, screws the lower end of bar 10 and passes through screw thread
Screw in gun body 12, not only realize that screw bar 10 is connected with screwing for gun body 12, while the mesh for clamping tungsten electrode 1 can also be reached
's;The outside of tungsten electrode 1 in the present embodiment presss from both sides provided with tungsten electrode 1, for the clamping of tungsten electrode 1, with gun body 12, ignition tip 2, screw bar 10
It is engaged, realizes the clamping of tungsten electrode 1;
In order to realize wire feed process of smoothly supplying gas, wire-feeding pipe 11 of supplying gas is made of insulation high-temperature-resistant material;
Ignition tip 2 in the present embodiment, compared with traditional ignition tip 2, it is opened up provided with four manholes, wherein three are used for
Three tungsten electrodes 1 are installed, remaining one for wire-feeding pipe in rifle 11 by passing through uniform three circular holes in front end, for protecting
The circulation of gas, traditional ignition tip only have a through hole to be used for through tungsten electrode and ventilated, three on the present embodiment ignition tip
Circular hole need to be specifically designed processing for belonging to foreign structure through three tungsten electrodes, such a ignition tip.
In order to realize the sealing for screwing bar 10 and the inwall of gun body 12, the outer wall for screwing bar 10 is provided with circumferential recess 7, groove
Sealing ring is arranged with 7, after screwing bar 10 and inserting, passes through the sealing inside sealing ring and gun body 12.
The gun body 12 includes external water cooling system, and external water cooling system includes water cooling tube 18,19, cooling tube and water cooling
Nozzle 16, water-cooled nozzle 16 are fastened on outside ignition tip 2, and water-cooled nozzle 16 is established with the pipette tips outer wall of gun body 12 by screw set 15
Connection, the outer wall of the bakelite 14 is outwardly to form circumferential boss, and the upper end of screw set 15 is affiliated on circumferential boss, is revolved
The lower end of tight set 15 is fixedly connected by screw thread with water-cooled nozzle 16, the combination of screw set 15, bakelite 14, realizes that water cooling is sprayed
Mouth 16 is in the insulating mounting in gun body 12;
In order to ensure that constant temperature extends performance, while reach the purpose of compression arc, it is higher to improve the acquisition of welding arc deflection
Welding quality, provided with section be in the side wall of water-cooled nozzle 16 major arc water-cooling channel 17, the major arc central angle is according to water
Cold loop is designed, and scope is 300 ° -330 °.
The afterbody of gun body 12 is provided with square platform, and twice threeway water cooling hole is provided with square platform, and two water cooling tubes 18,19 are inserted respectively
Enter in the cold water hole of square platform, a duct of threeway cold water hole is connected by cooling tube and the water-cooling channel 17 of water-cooled nozzle 16
It is logical, realize the cooling nozzles in the presence of cooling water;
In order to ensure the steady temperature in gun body 12, stablize lasting work to reach welding gun, internal water cooling is added in gun body 12
System, internal water cooling system include the annular water cooling labyrinth 13 being located in the side wall of gun body 12, and two copper pipe 13-1 outside gun body,
The both sides duct of two threeway cold water holes is connected by copper pipe 13-1 with annular water cooling labyrinth 13 respectively, and circulating cooling is returned in formation
Road, the heat that tungsten electrode 1 passes over from end at work is taken away by the flowing of cooling water;Inner loop utilizes and gun body portion
The copper pipe that part is welded introduces and drawn cooling water, and circulating cooling is carried out by inner annular water cooling labyrinth;The TIG welding guns
Including breather pipe 9, breather pipe 9 inserts side and enters square platform, realizes that breather pipe 9 is sent into protective gas by the tail end of gun body 12.
Gun body 12 is provided with gas circuit stomata 6, for the circulation of protective gas, as gas enters rifle by gas circuit stomata 6 in Fig. 1
It is interior then from nozzle leading portion discharge.
It should be appreciated that although the present specification is described in terms of embodiments, not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that those skilled in the art will should illustrate for clarity
Book is as an entirety, and the technical solutions in the various embodiments may also be suitably combined, and forming those skilled in the art can manage
The other embodiment of solution.
Claims (10)
1. a kind of three tungsten electrode heating wire TIG welding guns, include the gun body of inner hollow, the side of gun body is pipette tips, and opposite side is gun breech,
Ignition tip is provided with pipette tips, wire-feeding pipe and some tungsten electrodes, one end extension inside gun body of wire-feeding pipe and tungsten electrode are included in gun body
To outside ignition tip, it is characterised in that:The central axis of wire-feeding pipe and the centerline axis parallel of tungsten electrode, tungsten electrode surround wire-feeding pipe
Circumference be uniformly distributed.
A kind of 2. three tungsten filament TIG welding guns according to claim 1, it is characterised in that:The gun body afterbody is provided with and screws bar, revolves
In tight bar end portion insertion gun body, and the outer wall for screwing bar is bonded with gun body inner wall sealing, and one end of the wire-feeding pipe is by revolving
The upper end of tight bar penetrates to be passed after screwing bar by ignition tip.
A kind of 3. three tungsten filament TIG welding guns according to claim 2, it is characterised in that:The upper end of the tungsten electrode is with screwing bar
Lower surface is connected.
A kind of 4. three tungsten filament TIG welding guns according to claim 1, it is characterised in that:The gun body includes internal water cooling system
And external water cooling system, external water cooling system include water cooling tube, cooling tube and water-cooled nozzle, are provided with the side wall of water-cooled nozzle
Water-cooling channel, water-cooled nozzle are arranged on the outside of ignition tip, and water cooling tube passes through cooling tube and the water-cooling channel of water-cooled nozzle
Connection.
A kind of 5. three tungsten filament TIG welding guns according to claim 4, it is characterised in that:Lead between the water-cooled nozzle and gun body
Cross screw set and establish connection.
A kind of 6. three tungsten filament TIG welding guns according to claim 4, it is characterised in that:The internal water cooling system includes annular
Water cooling labyrinth, the input of water cooling labyrinth and the output end of water cooling tube connect.
A kind of 7. three tungsten filament TIG welding guns according to claim 4, it is characterised in that:The water-cooling channel of the water-cooled nozzle
Cross section is in major arc shape.
A kind of 8. three tungsten filament TIG welding guns according to claim 1, it is characterised in that:The wire-feeding pipe uses insulation high-temperature-resistant
Material is made.
A kind of 9. three tungsten filament TIG welding guns according to claim 1, it is characterised in that:The TIG welding guns include breather pipe, lead to
Tracheae is sent into gas by the tail end of gun body.
A kind of 10. three tungsten filament TIG welding guns according to claim 9, it is characterised in that:Gun body is provided with gas circuit stomata, is used for
The circulation of protective gas.
Priority Applications (1)
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CN201710808660.6A CN107414263A (en) | 2017-09-11 | 2017-09-11 | A kind of three tungsten electrode heating wire TIG welding guns |
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CN201710808660.6A CN107414263A (en) | 2017-09-11 | 2017-09-11 | A kind of three tungsten electrode heating wire TIG welding guns |
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CN201710808660.6A Pending CN107414263A (en) | 2017-09-11 | 2017-09-11 | A kind of three tungsten electrode heating wire TIG welding guns |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108581156A (en) * | 2018-06-19 | 2018-09-28 | 哈尔滨工程大学 | Double tungsten electrode plasma arc welding (PAW) connection devices based on center heated filament and welding method |
CN110241417A (en) * | 2019-07-17 | 2019-09-17 | 陕西天元智能再制造股份有限公司 | A kind of silk material laser melting coating hot-wire device |
CN110303222A (en) * | 2019-07-12 | 2019-10-08 | 南京理工大学 | A kind of more tungsten electrode arc coaxial wire feed increasing material manufacturing devices |
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JPH09201678A (en) * | 1996-01-25 | 1997-08-05 | Ishikawajima Harima Heavy Ind Co Ltd | Welding torch |
JPH11104841A (en) * | 1997-10-01 | 1999-04-20 | Komatsu Ltd | Non-consumable electrode welding torch, plasma welding torch and its outside cap |
CN204747732U (en) * | 2015-07-01 | 2015-11-11 | 苏州东金机械金属有限公司 | Water -cooling welder |
CN204954135U (en) * | 2015-09-24 | 2016-01-13 | 唐山开元焊接自动化技术研究所有限公司 | Double -deck water -cooling melts argon arc deeply and welds welder |
CN205008725U (en) * | 2015-09-09 | 2016-02-03 | 昆山华恒焊接股份有限公司 | TIG welder |
DE102014013047A1 (en) * | 2014-09-02 | 2016-03-03 | Linde Aktiengesellschaft | Welding torch and welding process with annular electrode arrangement |
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2017
- 2017-09-11 CN CN201710808660.6A patent/CN107414263A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH09201678A (en) * | 1996-01-25 | 1997-08-05 | Ishikawajima Harima Heavy Ind Co Ltd | Welding torch |
JPH11104841A (en) * | 1997-10-01 | 1999-04-20 | Komatsu Ltd | Non-consumable electrode welding torch, plasma welding torch and its outside cap |
DE102014013047A1 (en) * | 2014-09-02 | 2016-03-03 | Linde Aktiengesellschaft | Welding torch and welding process with annular electrode arrangement |
CN204747732U (en) * | 2015-07-01 | 2015-11-11 | 苏州东金机械金属有限公司 | Water -cooling welder |
CN205008725U (en) * | 2015-09-09 | 2016-02-03 | 昆山华恒焊接股份有限公司 | TIG welder |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108581156A (en) * | 2018-06-19 | 2018-09-28 | 哈尔滨工程大学 | Double tungsten electrode plasma arc welding (PAW) connection devices based on center heated filament and welding method |
CN110303222A (en) * | 2019-07-12 | 2019-10-08 | 南京理工大学 | A kind of more tungsten electrode arc coaxial wire feed increasing material manufacturing devices |
CN110241417A (en) * | 2019-07-17 | 2019-09-17 | 陕西天元智能再制造股份有限公司 | A kind of silk material laser melting coating hot-wire device |
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Legal Events
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Liu Pengfei Inventor after: Yao Junshan Inventor before: Liu Pengfei Inventor before: Yao Junshan Inventor before: Lv Jiang Inventor before: Liu Liguo |
|
CB03 | Change of inventor or designer information | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171201 |
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RJ01 | Rejection of invention patent application after publication |