CN205927451U - Coaxial hollow tungsten utmost point heater TIG welder and welding set - Google Patents
Coaxial hollow tungsten utmost point heater TIG welder and welding set Download PDFInfo
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- CN205927451U CN205927451U CN201620935656.7U CN201620935656U CN205927451U CN 205927451 U CN205927451 U CN 205927451U CN 201620935656 U CN201620935656 U CN 201620935656U CN 205927451 U CN205927451 U CN 205927451U
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Abstract
The utility model relates to a coaxial hollow tungsten utmost point heater TIG welder and welding set, wherein, welder includes the rifle body and tungsten extremely, rifle body cavity, the one end of the rifle body are provided with the nozzle, tungsten extremely sets up in the middle part of the rifle body and its tip is worn out along axial fixity the nozzle, tungsten extremely is hollow form to its tip has the welding wire hole that supplies the welding wire to pass through. 4 with traditional solid tungsten extremely improve by the hollow tungsten utmost point, with the welding wire of traditional external automatic wire drive feed unit transports pass hollow tungsten extremely send the silk, with inlet port import of the confessions inertia protective gas of traditional air feeder institute on by the welder rifle body, extremely go up extremely inside of the corresponding hollow tungsten of intercommunicating pore entering through hollow tungsten, thereby realize the automatic silk that send to preheating and gas protection before the welding wire gets into the molten bath, having promoted preheating effect greatly and avoided the oxidation of quilt with the hot welding silk, reduced the energy of arc melting welding wire, improved deposition efficiency, welding speed, the production that reduces gas pockets such as H improves weld quality.
Description
Technical field
The utility model is related to heating wire TIG welding technology field, especially for a kind of coaxial hollow tungsten electrode heating wire TIG welding gun
And welder.
Background technology
Existing hot wire TIG welding is a kind of high-quality, efficient, the TIG soldering method of energy-conservation.It is on the basis of the weldering of general T IG,
Before welding wire is sent into molten bath, welding wire is preheated, to improve heat input, increase the burn-off rate of welding wire and mother metal, improve
Deposition rate, speed of welding, realize high-speed and high-efficiency welding；And remain all of the TIG welderings such as arc stability, Weld Performance be 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 of resistance heating, that is, more：Before welding wire sends into molten bath, in weldering
Certain electric current is passed through on silk, realizes welding wire preheating using welding wire self-resistance heat production, but the magnetic biasing producing in its warm
Blow and weld shape and being accurately positioned of electric arc can be had adverse effect on.And this technique is relatively applied to carbon steel, stainless steel etc.
The welding of the higher material of resistivity, but it is difficult to apply in the welding of the high conductivity material such as copper, aluminium.At present, copper alloy,
Aluminium alloy widely applies in fields such as national defence, nuclear powers it is adaptable to hot wire TIG welding's solder technology of copper alloy, aluminium alloy undoubtedly will
Need to be lifted further at aspects such as deposition efficiency, pre-heat effect, weldqualities.
Content of the invention
The utility model purpose is to solve the above problems, there is provided a kind of coaxial hollow tungsten electrode heating wire TIG welding gun and weldering
Connection device, is specifically realized by technical scheme below：
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 the middle part being arranged at gun body and its end and passes described nozzle；Described tungsten electrode is in hollow
Shape, and its end has the welding wire hole passed through for welding wire.
Described coaxial hollow tungsten electrode heating wire TIG welding gun, it designs further and is, 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 is connected with inert protective gas source of the gas by duct.
Described coaxial hollow tungsten electrode heating wire TIG welding gun, it designs further and is, described rifle body sidewall is provided with and institute
State the air admission hole of inert protective gas source of the gas connection；The side wall of described tungsten electrode is provided with the described first protection chamber of connection, the second guarantor
The intercommunicating pore in shield 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 passes described nozzle；Described tungsten electrode is in hollow shape, and its end has and passes through for welding wire
Welding wire hole；Described wire feeder includes drive wheel group and winding has the wire reel of welding wire, and the welding wire on wire reel is via described drive
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, it designs further and is, described drive wheel group comprises 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 reversely contrary, the equal diameters of the gap between edge between driving wheel and described welding wire, thus described welding wire is pressed from both sides
It is held between described driving wheel and be conveyed in described tungsten electrode with the rotation of driving wheel.
The beneficial effects of the utility model are：Traditional solid tungsten electrode is improved to hollow tungsten electrode, general by the utility model
The welding wire that traditional external automatic wire feeding device is conveyed through hollow tungsten electrode carry out wire feed, traditional feeder is supplied lazy
Property protective gas inputted by the air admission hole in welding gun gun body, enter in hollow tungsten electrode through intercommunicating pore corresponding on hollow tungsten electrode
Portion；Thus realizing automatic feeding, and welding wire enter molten bath before preheated and gas shield, greatly improve pre-heat effect and
Avoid the oxidation of heated welding wire, decrease the energy of arc-melting welding wire, improve deposition efficiency, speed of welding, reduce H
Generation at pore improves weldquality；And according to different electric arc power outputs, available hot-wire temperature's scope is than biography
System heated filament is widened significantly；The utility model is suitable for the welding of various terminal form, achievable full-automatic operation, and can freely move
Dynamic and light change place, saved cost and space it is achieved that multi-functional, human oriented design.
Brief description
Fig. 1 is the structural representation of welding gun embodiment of the present utility model.
Fig. 2 is the structural representation of welder embodiment of the present utility model.
Specific embodiment
Below in conjunction with Figure of description and embodiment, the utility model is further described：
Embodiment 1, as shown in figure 1, this coaxial hollow tungsten electrode heating wire TIG welding gun, including gun body 1 and tungsten electrode 2, in gun body 1
Sky, one end of gun body is provided with nozzle 11, and tungsten electrode 2 is axially fixed the middle part being arranged at gun body and its end and passes nozzle
11；Tungsten electrode 2 is 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 protection chamber 12 is connected with inert protective gas source of the gas by duct.
Gun body 1 side wall is provided with the air admission hole 13 connecting with inert protective gas source of the gas；The side wall of tungsten electrode 2 is provided with connection
First protection chamber, the intercommunicating pore 23 in the second protection chamber.
Embodiment 2, in conjunction with 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 the middle part being arranged at gun body 1 and its end and 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 drive wheel group 41 and winding has the wire reel 42 of welding wire, wire reel
On welding wire be transported in tungsten electrode via drive wheel group, 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 wheel group 41 comprises two driving wheels being rotatably arranged between welding gun and wire reel 411, and two drives
Driving wheel is symmetrical arranged, and both rotations are reversely contrary, the equal diameters of the gap between edge between driving wheel and welding wire, from
And welding wire is held between driving wheel and is conveyed in tungsten electrode with the rotation of driving wheel.
Coaxial hollow tungsten electrode heating wire TIG welding method employs a kind of aforesaid coaxial hollow tungsten electrode heating wire TIG welding gun, should
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 axially fixed and is arranged in gun body
Portion and its end passes nozzle；Tungsten electrode is in hollow shape, and its end has the welding wire hole passed through for welding wire.
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；It is simultaneously fed into inert protective gas to the inside of gun body inside and tungsten electrode, then connect the source of welding current in tungsten electrode and workpiece
Soldered between the starting the arc, formation molten bath at soldered, cover molten bath thus to molten bath from the inert protective gas that nozzle sprays
Form gas shield, and the temperature of tungsten electrode starts to raise；Wire feeder continues to send into welding wire into 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 utility model are：Traditional solid tungsten electrode is improved to hollow tungsten electrode, general by the utility model
The welding wire that traditional external automatic wire feeding device is conveyed through hollow tungsten electrode carry out wire feed, traditional feeder is supplied lazy
Property protective gas inputted by the air admission hole in welding gun gun body, enter in hollow tungsten electrode through intercommunicating pore corresponding on hollow tungsten electrode
Portion；Thus realizing automatic feeding, and welding wire enter molten bath before preheated and gas shield, greatly improve pre-heat effect and
Avoid the oxidation of heated welding wire, decrease the energy of arc-melting welding wire, improve deposition efficiency, speed of welding, reduce H
Generation at pore improves weldquality；And according to different electric arc power outputs, available hot-wire temperature's scope is than biography
System heated filament is widened significantly；The utility model is suitable for the welding of various terminal form, achievable full-automatic operation, and can freely move
Dynamic and light change place, saved cost and space it is achieved that multi-functional, human oriented design.
Claims (5)
1. coaxial hollow tungsten electrode heating wire TIG welding gun is it is characterised in that include gun body and tungsten electrode, described gun body hollow, and the one of gun body
End is provided with nozzle, and described tungsten electrode is axially fixed the middle part being arranged at gun body and its end and passes described nozzle；Described tungsten
Pole is in hollow shape, and its end has the welding wire hole passed through for welding wire.
2. coaxial hollow tungsten electrode heating wire TIG welding gun according to claim 1 is 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 chambeies are connected with inert protective gas source of the gas by duct.
3. coaxial hollow tungsten electrode heating wire TIG welding gun according to claim 2 is it is characterised in that described rifle body sidewall is arranged
There is the air admission hole connecting with described inert protective gas source of the gas；The side wall 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 is 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 it is arranged at the middle part of gun body and its end passes described nozzle；Described tungsten electrode is in hollow shape, and its end has for weldering
The welding wire hole that silk passes through；Described wire feeder includes drive wheel group and winding has the wire reel of welding wire, the welding wire warp on wire reel
It is transported in described tungsten electrode by described drive wheel group, and the end of welding wire passes the end of described tungsten electrode；Described inertia is protected
Shield gas source is connected with the inside of described gun body and the inside of tungsten electrode by pipeline.
5. coaxial hollow tungsten electrode hot wire TIG welding's connection device according to claim 4 is it is characterised in that described drive wheel group
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 equal diameters of the gap between edge between driving wheel and 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620935656.7U CN205927451U (en) | 2016-08-24 | 2016-08-24 | Coaxial hollow tungsten utmost point heater TIG welder and welding set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620935656.7U CN205927451U (en) | 2016-08-24 | 2016-08-24 | Coaxial hollow tungsten utmost point heater TIG welder and welding set |
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| CN205927451U true CN205927451U (en) | 2017-02-08 |
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| CN201620935656.7U Active CN205927451U (en) | 2016-08-24 | 2016-08-24 | Coaxial hollow tungsten utmost point heater TIG welder and welding set |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141387A (en) * | 2016-08-24 | 2016-11-23 | 江苏阿斯美特精工科技有限公司 | Coaxial hollow tungsten electrode heating wire TIG welding gun, welder and welding method |
| CN114937388A (en) * | 2022-04-08 | 2022-08-23 | 郑州科慧科技股份有限公司 | High-imitation welding simulation teaching device and simulation welding method for industrial robot |
-
2016
- 2016-08-24 CN CN201620935656.7U patent/CN205927451U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141387A (en) * | 2016-08-24 | 2016-11-23 | 江苏阿斯美特精工科技有限公司 | Coaxial hollow tungsten electrode heating wire TIG welding gun, welder and welding method |
| 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 |
| CN114937388A (en) * | 2022-04-08 | 2022-08-23 | 郑州科慧科技股份有限公司 | High-imitation welding simulation teaching device and simulation welding method for industrial robot |
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| GR01 | Patent grant |