CN106141387A - Coaxial hollow tungsten electrode heating wire TIG welding gun, welder and welding method - Google Patents
Coaxial hollow tungsten electrode heating wire TIG welding gun, welder and welding method Download PDFInfo
- Publication number
- CN106141387A CN106141387A CN201610718425.5A CN201610718425A CN106141387A CN 106141387 A CN106141387 A CN 106141387A CN 201610718425 A CN201610718425 A CN 201610718425A CN 106141387 A CN106141387 A CN 106141387A
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- tungsten electrode
- welding
- wire
- gun body
- gun
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Classifications
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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
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The present invention relates to coaxial hollow tungsten electrode heating wire TIG welding gun, welder and welding method, wherein, welding gun includes gun body and tungsten electrode, described gun body hollow, one end of gun body is provided with nozzle, and described tungsten electrode is axially fixed and is arranged at the middle part of gun body and its end passes described nozzle；Described tungsten electrode is hollow shape, and its end has the welding wire hole passed through for welding wire.The welding wire that traditional external automatic wire feeding device 4 traditional solid tungsten electrode is improved to hollow tungsten electrode, carried carries out wire feed through hollow tungsten electrode, by traditional supply inert protective gas of feeder by the air inlet input in welding gun gun body, inside the intercommunicating pore hollow tungsten electrode of entrance corresponding on hollow tungsten electrode；Thus realize automatic feeding; and carry out preheating and gas shield before welding wire enters molten bath, it is greatly improved pre-heat effect and avoids the oxidation of heated welding wire, decreasing the energy of arc-melting welding wire; improve deposition efficiency, speed of welding, the generation reducing the pores such as H improves weldquality.
Description
Technical field
The present invention relates to heating wire TIG welding technology field, be especially a kind of coaxial hollow tungsten electrode heating wire TIG welding gun, welding
Device and welding method.
Background technology
Existing hot wire TIG welding is a kind of high-quality, efficient, energy-conservation TIG soldering method.It is on the basis of general T IG is welded,
Before welding wire is sent into molten bath, welding wire is preheated, to improve heat input, increase welding wire and the burn-off rate of mother metal, improve
Deposition rate, speed of welding, it is achieved high-speed and high-efficiency welds；And remain all of the TIG welderings such as arc stability, Weld Performance are excellent
Advantage；It is suitable for welding the Welding Structure of intermediate gauge.
In existing hot wire TIG welding, adopt the method preheating wire welding being heated by resistive, it may be assumed that before welding wire sends into molten bath, in weldering more
By certain electric current on silk, utilize welding wire self-resistance heat production to realize welding wire and preheat, but the magnetic biasing produced in its warm
Blow meeting butt welded seam shape and being accurately positioned of electric arc has adverse effect on.And this technique is relatively applicable to carbon steel, rustless steel etc.
The welding of the material that resistivity is higher, but it is difficult to apply in the welding of the high conductivity material such as copper, aluminum.At present, copper alloy,
Aluminium alloy is widely applied in the field such as national defence, nuclear power, it is adaptable to copper alloy, hot wire TIG welding's solder technology of aluminium alloy are wanted undoubtedly
Need to promote further at aspects such as deposition efficiency, pre-heat effect, weldqualities.
Summary of the invention
Present invention aim at solving the problems referred to above, it is provided that a kind of coaxial hollow tungsten electrode heating wire TIG welding gun, welder
And welding method, specifically realized by techniques below scheme:
Coaxial hollow tungsten electrode heating wire TIG welding gun, including gun body and tungsten electrode, described gun body hollow, one end of gun body is provided with nozzle,
Described tungsten electrode is axially fixed and is arranged at the middle part of gun body and its end passes described nozzle；Described tungsten electrode is hollow shape, and
And its end has the welding wire hole passed through for welding wire.
Described coaxial hollow tungsten electrode heating wire TIG welding gun, its further design be, described tungsten electrode inner space forms the
One protection chamber, forms the second protection chamber between described tungsten electrode outer wall and described gun body inwall；Described first protection chamber, the second protection
Chamber passing hole channel connects with inert protective gas source of the gas.
Described coaxial hollow tungsten electrode heating wire TIG welding gun, its further design is, described gun body sidewall is provided with and institute
State the air inlet of inert protective gas source of the gas connection；The sidewall of described tungsten electrode is provided with the described first protection chamber of connection, the second guarantor
Protect the intercommunicating pore in chamber.
Coaxial hollow tungsten electrode hot wire TIG welding's connection device, including welding gun, wire feeder and inert protective gas source of the gas, described
Welding gun includes gun body and tungsten electrode, described gun body hollow, and one end of gun body is provided with nozzle, and described tungsten electrode is axially fixed and is arranged at
The middle part of gun body and its end pass described nozzle；Described tungsten electrode is hollow shape, and its end has what confession welding wire passed through
Welding wire hole；Described wire feeder includes the wire reel driving wheels and rolling to have welding wire, and the welding wire on wire reel drives via described
Driving wheel group is transported in described tungsten electrode, and the end of welding wire passes the end of described tungsten electrode；Described inert protective gas gas
Source is connected with the inside of described gun body and the inside of tungsten electrode by pipeline.
Described coaxial hollow tungsten electrode hot wire TIG welding's connection device, its further design is, described driving wheels comprise two
The individual driving wheel being rotatably arranged between described welding gun and described wire reel, and two driving wheels are symmetrical arranged, both
Rotate the most contrary, the gap between edge between driving wheel and the equal diameters of described welding wire, thus described welding wire is pressed from both sides
It is held between described driving wheel and is conveyed in described tungsten electrode with the rotation of driving wheel.
Coaxial hollow tungsten electrode heating wire TIG welding method, this welding method uses a kind of coaxial hollow tungsten electrode hot wire TIG welding
Rifle, this welding gun includes gun body and tungsten electrode, described gun body hollow, and one end of gun body is provided with nozzle, and described tungsten electrode is axially fixed
The middle part and its end that are arranged at gun body pass described nozzle；Described tungsten electrode is hollow shape, and its end has for welding wire
The welding wire hole passed through.
Described coaxial hollow tungsten electrode heating wire TIG welding method, it designs further and is, comprises the steps: institute
State welding gun and be placed in the side of workpiece to be welded, and nozzle and tungsten electrode relative with seam to be welded；Welding wire enters through wire feeder
Tungsten electrode internal cavities, and the end of welding wire passes from described welding wire hole；It is simultaneously fed into lazy inside gun body inside and tungsten electrode
Property protective gas, then connect source of welding current starting the arc between tungsten electrode and the soldered of workpiece, formation molten bath at soldered, blowing
The inert protective gas of mouth ejection covers molten bath thus molten bath is formed gas shield, and the temperature of tungsten electrode starts to raise；Send
Silk mechanism continues to send into welding wire in tungsten electrode, and it is pre-before entering molten bath that the welding wire of entrance tungsten electrode receives tungsten electrode heat radiation, arc heat
Heat heats up, and the welding wire through tungsten electrode preheating enters molten bath and carries out follow-up welding.
The beneficial effects of the present invention is: traditional solid tungsten electrode is improved to hollow tungsten electrode, by outside traditional by the present invention
Put the welding wire that automatic wire feeding device carried to carry out wire feed through hollow tungsten electrode, traditional supplied inertia of feeder is protected gas
Body is inputted by the air inlet in welding gun gun body, and intercommunicating pore corresponding on hollow tungsten electrode enters inside hollow tungsten electrode；Thus it is real
Existing automatic feeding, and carry out preheating and gas shield before welding wire enters molten bath, be greatly improved pre-heat effect and avoid by
The oxidation of heating welding wire, decreases the energy of arc-melting welding wire, improves deposition efficiency, speed of welding, reduces the pores such as H
Produce and improve weldquality；And according to different electric arc outputs, available hot-wire temperature's scope is bigger than traditional heated filament
Widen greatly；The present invention is suitable for the welding of various terminal form, can realize full-automatic operation, and can move freely and easily change
Place, has saved cost and space, it is achieved that multi-functional, human oriented design.
Accompanying drawing explanation
Fig. 1 is the structural representation of the welding gun embodiment of the present invention.
Fig. 2 is the structural representation of the welder embodiment of the present invention.
Detailed description of the invention
Below in conjunction with Figure of description and embodiment, the present invention is further described:
Embodiment 1, as it is shown in figure 1, this coaxial hollow tungsten electrode heating wire TIG welding gun, including gun body 1 and tungsten electrode 2, gun body 1 hollow, rifle
One end of body is provided with nozzle 11, and tungsten electrode 2 is axially fixed and is arranged at the middle part of gun body and its end passes nozzle 11；Tungsten electrode
2 in hollow shape, and its end has the welding wire hole 21 passed through for welding wire 5.
Tungsten electrode 2 inner space forms the first protection chamber 22, forms the second protection chamber between tungsten electrode outer wall and gun body 1 inwall
12；First protection chamber 22, second protects chamber 12 passing hole channel to connect with inert protective gas source of the gas.
Gun body 1 sidewall is provided with the air inlet 13 connected with inert protective gas source of the gas；The sidewall of tungsten electrode 2 is provided with connection
First protection chamber, the intercommunicating pore 23 in the second protection chamber.
Embodiment 2, shown in Fig. 1, Fig. 2, coaxial hollow tungsten electrode hot wire TIG welding's connection device, including welding gun 3, wire-feed motor
Structure 4 and inert protective gas source of the gas, welding gun 3 includes gun body 1 and tungsten electrode 2, gun body 1 hollow, and one end of gun body is provided with nozzle 11,
Tungsten electrode 2 is axially fixed and is arranged at the middle part of gun body 1 and its end passes nozzle 11；Tungsten electrode 2 is in hollow shape, and its end
There is the welding wire hole 21 passed through for welding wire；Wire feeder 4 includes the wire reel 42 driving wheels 41 and rolling to have welding wire, wire reel
On welding wire via driving wheels to be transported in tungsten electrode, and the end of welding wire passes the end of tungsten electrode；Inert protective gas
Source of the gas is connected with the inside of gun body and the inside of tungsten electrode by pipeline.
Drive wheels 41 to comprise two driving wheels being rotatably arranged between welding gun and wire reel 411, and two are driven
Driving wheel is symmetrical arranged, and both rotations are reversely contrary, the gap between edge between driving wheel and the equal diameters of welding wire, from
And welding wire is held between driving wheel and is conveyed in tungsten electrode with the rotation of driving wheel.
Embodiment 3, comparison Fig. 2 understands, and it is the most empty that coaxial hollow tungsten electrode heating wire TIG welding method have employed aforesaid one
Heart tungsten electrode heating wire TIG welding gun, this welding gun includes gun body and tungsten electrode, gun body hollow, and one end of gun body is provided with nozzle, and tungsten electrode is along axle
Nozzle is passed to the middle part and its end being fixedly installed on gun body；Tungsten electrode is hollow shape, and its end has for welding wire logical
The welding wire hole crossed.
Welding method specifically includes following steps: described welding gun is placed in the side of workpiece to be welded, and nozzle and
Tungsten electrode is relative with seam to be welded；Welding wire enters tungsten electrode internal cavities through wire feeder, and the end of welding wire is from described welding wire hole
Pass；Inside gun body inside and tungsten electrode, it is simultaneously fed into inert protective gas, then connects the source of welding current at tungsten electrode and workpiece
Soldered between the starting the arc, formation molten bath at soldered, from nozzle ejection inert protective gas cover molten bath thus to molten bath
Form gas shield, and the temperature of tungsten electrode starts to raise；Wire feeder continues to send into welding wire in tungsten electrode, enters the weldering of tungsten electrode
Silk receives tungsten electrode heat radiation, arc heat pre-heating temperature elevation before entering molten bath, after the welding wire entrance molten bath of tungsten electrode preheating is carried out
Continuous welding.
The beneficial effects of the present invention is: traditional solid tungsten electrode is improved to hollow tungsten electrode, by outside traditional by the present invention
Put the welding wire that automatic wire feeding device carried to carry out wire feed through hollow tungsten electrode, traditional supplied inertia of feeder is protected gas
Body is inputted by the air inlet in welding gun gun body, and intercommunicating pore corresponding on hollow tungsten electrode enters inside hollow tungsten electrode；Thus it is real
Existing automatic feeding, and carry out preheating and gas shield before welding wire enters molten bath, be greatly improved pre-heat effect and avoid by
The oxidation of heating welding wire, decreases the energy of arc-melting welding wire, improves deposition efficiency, speed of welding, reduces the pores such as H
Produce and improve weldquality；And according to different electric arc outputs, available hot-wire temperature's scope is bigger than traditional heated filament
Widen greatly；The present invention is suitable for the welding of various terminal form, can realize full-automatic operation, and can move freely and easily change
Place, has saved cost and space, it is achieved that multi-functional, human oriented design.
Claims (7)
1. coaxial hollow tungsten electrode heating wire TIG welding gun, it is characterised in that include gun body and tungsten electrode, described gun body hollow, the one of gun body
End is provided with nozzle, and described tungsten electrode is axially fixed and is arranged at the middle part of gun body and its end passes described nozzle；Described tungsten
Pole is hollow shape, and its end has the welding wire hole passed through for welding wire.
Coaxial hollow tungsten electrode heating wire TIG welding gun the most according to claim 1, it is characterised in that described tungsten electrode inner space
Form the first protection chamber, between described tungsten electrode outer wall and described gun body inwall, form the second protection chamber；Described first protection chamber, the
Two protection chamber passing hole channels connect with inert protective gas source of the gas.
Coaxial hollow tungsten electrode heating wire TIG welding gun the most according to claim 2, it is characterised in that described gun body sidewall is arranged
There is the air inlet connected with described inert protective gas source of the gas；The sidewall of described tungsten electrode be provided with connection described first protection chamber,
The intercommunicating pore in the second protection chamber.
4. coaxial hollow tungsten electrode hot wire TIG welding connection device, it is characterised in that include welding gun, wire feeder and inert protective gas gas
Source, described welding gun includes gun body and tungsten electrode, described gun body hollow, and one end of gun body is provided with nozzle, and described tungsten electrode is solid vertically
Surely the middle part and its end that are arranged at gun body pass described nozzle；Described tungsten electrode is hollow shape, and its end has for weldering
The welding wire hole that silk passes through；Described wire feeder includes the wire reel driving wheels and rolling to have welding wire, the welding wire warp on wire reel
It is transported in described tungsten electrode by described driving wheels, and the end of welding wire passes the end of described tungsten electrode；Described inertia is protected
Protect gas source to be connected with the inside of described gun body and the inside of tungsten electrode by pipeline.
Coaxial hollow tungsten electrode hot wire TIG welding's connection device the most according to claim 4, it is characterised in that described driving wheels
Comprise two driving wheels being rotatably arranged between described welding gun and described wire reel, and two driving wheels be symmetrical arranged,
Both rotations are reversely contrary, the gap between edge between driving wheel and the equal diameters of described welding wire, thus described weldering
Silk is held between described driving wheel and is conveyed in described tungsten electrode with the rotation of driving wheel.
6. coaxial hollow tungsten electrode heating wire TIG welding method, it is characterised in that this welding method uses a kind of coaxial hollow tungsten electrode heat
Silk TIG welding gun, this welding gun includes gun body and tungsten electrode, described gun body hollow, and one end of gun body is provided with nozzle, and described tungsten electrode is along axle
Described nozzle is passed to the middle part and its end being fixedly installed on gun body；Described tungsten electrode is hollow shape, and its end has
The welding wire hole passed through for welding wire.
Coaxial hollow tungsten electrode heating wire TIG welding method the most according to claim 6, it is characterised in that comprise the steps:
Described welding gun is placed in the side of workpiece to be welded, and nozzle and tungsten electrode relative with seam to be welded；Welding wire is through wire feeder
Enter tungsten electrode internal cavities, and the end of welding wire passes from described welding wire hole；Send inside gun body inside and tungsten electrode simultaneously
Enter inert protective gas, then connection source of welding current starting the arc between tungsten electrode and the soldered of workpiece, formation molten bath at soldered,
Cover molten bath from the inert protective gas of nozzle ejection thus molten bath is formed gas shield, and the temperature of tungsten electrode starts to rise
High；Wire feeder continues to send into welding wire in tungsten electrode, and the welding wire entering tungsten electrode receives tungsten electrode heat radiation, arc heat is entering molten bath
Front pre-heating temperature elevation, the welding wire through tungsten electrode preheating enters molten bath and carries out follow-up welding.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610718425.5A CN106141387A (en) | 2016-08-24 | 2016-08-24 | Coaxial hollow tungsten electrode heating wire TIG welding gun, welder and welding method |
| PCT/CN2017/074516 WO2018036122A1 (en) | 2016-08-24 | 2017-02-23 | Coaxial hollow tungsten electrode hot wire tig welding gun, welding device, and welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610718425.5A CN106141387A (en) | 2016-08-24 | 2016-08-24 | Coaxial hollow tungsten electrode heating wire TIG welding gun, welder and welding method |
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| Publication Number | Publication Date |
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| CN106141387A true CN106141387A (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610718425.5A Pending CN106141387A (en) | 2016-08-24 | 2016-08-24 | Coaxial hollow tungsten electrode heating wire TIG welding gun, welder and welding method |
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| CN (1) | CN106141387A (en) |
| WO (1) | WO2018036122A1 (en) |
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| CN107160012A (en) * | 2017-05-11 | 2017-09-15 | 江苏阿斯美特精工科技有限公司 | A kind of TIG welding guns and welding method |
| CN107186322A (en) * | 2017-06-29 | 2017-09-22 | 沈阳工业大学 | Partly split the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula |
| CN107335906A (en) * | 2017-07-28 | 2017-11-10 | 山东船舶技术研究院 | A kind of embedded dual power supply and double tungsten electrode welders and welding method |
| CN107414304A (en) * | 2017-09-11 | 2017-12-01 | 江苏阿斯美特精工科技有限公司 | A kind of compound TIG weldering devices of coaxial laser paraxonic heated filament and its implementation |
| WO2018036122A1 (en) * | 2016-08-24 | 2018-03-01 | 江苏阿斯美特精工科技有限公司 | Coaxial hollow tungsten electrode hot wire tig welding gun, welding device, and welding method |
| CN108098122A (en) * | 2018-01-31 | 2018-06-01 | 大连威尔博合金科技有限公司 | A kind of welding wire welding rod gas shield device |
| CN109382570A (en) * | 2017-08-04 | 2019-02-26 | 北京文源同创科技有限公司 | A kind of welding gun |
| CN111774700A (en) * | 2020-06-16 | 2020-10-16 | 广东省焊接技术研究所（广东省中乌研究院） | Narrow-gap TIG welding device |
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| CN107160012A (en) * | 2017-05-11 | 2017-09-15 | 江苏阿斯美特精工科技有限公司 | A kind of TIG welding guns and welding method |
| CN107186322A (en) * | 2017-06-29 | 2017-09-22 | 沈阳工业大学 | Partly split the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula |
| CN107186322B (en) * | 2017-06-29 | 2022-12-06 | 沈阳工业大学 | Half-split hollow tungsten electrode coaxial wire feeding inert gas shielded welding gun |
| CN107335906A (en) * | 2017-07-28 | 2017-11-10 | 山东船舶技术研究院 | A kind of embedded dual power supply and double tungsten electrode welders and welding method |
| CN109382570A (en) * | 2017-08-04 | 2019-02-26 | 北京文源同创科技有限公司 | A kind of welding gun |
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| CN108098122A (en) * | 2018-01-31 | 2018-06-01 | 大连威尔博合金科技有限公司 | A kind of welding wire welding rod gas shield device |
| CN111774700A (en) * | 2020-06-16 | 2020-10-16 | 广东省焊接技术研究所（广东省中乌研究院） | Narrow-gap TIG welding device |
| CN111774700B (en) * | 2020-06-16 | 2023-12-05 | 广东省焊接技术研究所（广东省中乌研究院） | Narrow-gap TIG welding device |
| CN112846635A (en) * | 2020-12-30 | 2021-05-28 | 柳州机车车辆有限公司 | Method for repairing transverse threaded hole of railway passenger car bogie |
| CN112846458A (en) * | 2020-12-31 | 2021-05-28 | 山东大学 | Ultra-low heat input welding device and welding method for metal sheet |
| WO2022177289A1 (en) * | 2021-02-19 | 2022-08-25 | 주식회사 엘지에너지솔루션 | Arc welding device for secondary battery, and welding method using same |
| CN115815759A (en) * | 2023-02-06 | 2023-03-21 | 苏州友得利金属制品有限公司 | Hollow tungsten electrode coaxial wire feeding argon arc welding device and welding gun and welding method thereof |
| CN117655478A (en) * | 2023-12-26 | 2024-03-08 | 中建科工集团有限公司 | Secondary gas protection device |
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| WO2018036122A1 (en) | 2018-03-01 |
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