CN107186322A - Partly split the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula - Google Patents
Partly split the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula Download PDFInfo
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- CN107186322A CN107186322A CN201710512517.2A CN201710512517A CN107186322A CN 107186322 A CN107186322 A CN 107186322A CN 201710512517 A CN201710512517 A CN 201710512517A CN 107186322 A CN107186322 A CN 107186322A
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- tungsten electrode
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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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0205—Non-consumable electrodes; C-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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
- B23K35/0261—Rods, electrodes, wires
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/365—Selection of non-metallic compositions of coating materials either alone or conjoint with selection of soldering or welding materials
-
- 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
- B23K9/32—Accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Arc Welding In General (AREA)
Abstract
One kind partly splits the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula, and the welding gun includes red copper protective gas nozzle, red copper protective gas chamber and red copper protective gas nozzle cooling ring；The invention realize that traditional TIG mass is good and MIG weldering efficiency highs of both advantage；Hollow tungsten electrode splits the hollow tungsten electrode of formula using two and half, and manufacturing process is simple, using convenient；There are an earthenware or hollow tungsten electrode inner surface there are insulative ceramic coatings in addition, partly splitting the hollow tungsten electrode core of formula, the contact that the earthenware or insulative ceramic coatings effectively prevent between welding wire and tungsten electrode and tungsten electrode red copper cooling body is conductive.
Description
Technical field
The invention belongs to weld, cladding and material increasing field, refer specifically to generation one kind and partly split the hollow tungsten electrode coaxial wire feed of formula
Inert gas-shielded arc welding welding gun.
Background technology
Traditional gas metal-arc welding using the electric arc between fusible welding wire and welded piece as thermal source come
Filler wire and base metals, and protective gas is conveyed to weld zone, make welding wire, molten bath and the neighbouring mother metal gold of arc-melting
Belong to the illeffects from surrounding air.The welding wire metal being continuously fed to constantly melts and is transitioned into molten bath, the mother metal with fusing
Metal merges to form weld metal, so that a kind of welding method that workpiece is connected with each other.Traditional non-coaxial wire feed TIG
Weldering, although welding quality is relatively good, but in pahtfinder hard automatic welding, cladding and increasing material manufacturing, due to welding direction
Change, have impact on the position relationship between welding wire and electric arc, so the stabilization of influence welding quality.Although someone has applied together
The hollow tungsten electrode TIG weld method of axle wire feed（Such as patent CN201620935656.7, patent CN201610718425.5, patent
CN201610998677.8, patent CN201611030406.X）, but hollow tungsten electrode is brought by being integrally formed to manufacture
Certain difficulty.In addition, the hollow tungsten electrode of the patent applied does not have core earthenware and inner surface not to have insulative ceramic coatings.
The content of the invention
Goal of the invention：
The present invention provides one kind and partly splits the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula, and the purpose is to solve conventional institute
The problem of existing.The invention employs tungsten electrode red copper cooling body water-cooling channel system, realizes tungsten electrode current capacity significantly
Improve, so as to improve production efficiency；In addition, red copper protection gas jets have water-cooling channel, it is ensured that red copper protection gas jets make
With the life-span, the stabilization of welding performance also ensure that.
Technical scheme：
One kind partly splits the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula, it is characterised in that：The welding gun is protected including red copper
Protect gas nozzle, red copper protective gas chamber and red copper protective gas nozzle cooling ring；Red copper protective gas nozzle cooling ring is set
In the periphery of red copper protective gas nozzle, red copper protective gas chamber is fixed with bracket, the front of red copper protective gas chamber formed to
The red copper protective gas nozzle of preceding gradually interior receipts, tungsten electrode red copper cooling body, tungsten electrode red copper are provided with red copper protective gas intracavitary
Gas passage is formed between cooling body and red copper protective gas cavity wall, gas passage is connected with red copper protective gas nozzle, tungsten
It is provided with the red copper cooling body of pole and partly splits the hollow tungsten electrode of formula, is partly split the front end that the hollow tungsten electrode of formula stretches out tungsten electrode red copper cooling body, make
Used time welding wire is through bracket, tungsten electrode red copper cooling body and partly split the hollow tungsten electrode of formula, and with being sprayed from red copper protective gas nozzle
Protective gas converges.
Cooling-water duct is provided with tungsten electrode red copper cooling body, cooling-water duct is in cradle formation water inlet.
Partly splitting ceramic insulating layer or ceramic insulating tube, ceramic insulating layer or pottery are provided between the hollow tungsten electrode of formula and welding wire
The rear end of porcelain insulating pipe is put in tungsten electrode red copper cooling body and cooled aquaporin is surround after the hollow tungsten electrode of formula through partly splitting.
The tip of the hollow tungsten electrode of formula is partly split to produce the sophisticated shape and spheroidal of annular electric arc.
Welding wire is to be first directed to by wire feeder in compo pipe, subsequently into ceramic tube inside.
It is to split a complete hollow tungsten being constituted by the way of the laminating of formula hollow tungsten electrode using two and half partly to split the hollow tungsten electrode of formula
Pole.
Ceramic insulating layer is manufactured using spraying method in tungsten electrode inner surface.
Gas passage cradle formation air inlet, air inlet be symmetrical.
There are 2 groups partly to split the hollow tungsten electrode of formula and its core, ceramic insulating layer or ceramics to fixation in tungsten electrode red copper cooling body
The confinement bolt of insulation tube.
Welding wire imports ceramic tube inside by wire feeder, is come out from the hollow tungsten electrode tip of formula is partly split.
Advantageous effect：
The present invention provides one kind and partly splits the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula, and hollow tungsten electrode, which is used, partly splits formula
Hollow tungsten electrode mode, which manufacturing process is simple, using convenient；And add tungsten electrode red copper cooling body water-cooling channel and purple
Copper protective gas nozzle water-cooling channel, the current capacity level red copper protective gas nozzle that can greatly improve tungsten electrode uses the longevity
Life, it is ensured that welding efficiency is improved and welding quality stable.
Described coaxial wire feed gas tungsten arc welding weldering device, it, which is further designed, is partly to split the hollow tungsten of formula
Pole piece portion has an earthenware or hollow tungsten electrode inner surface to have insulative ceramic coatings, the effect of the earthenware or insulative ceramic coatings
It is to prevent contact between welding wire and tungsten electrode and tungsten electrode red copper cooling body conductive.
Described coaxial wire feed gas tungsten arc welding weldering device, it, which is further designed, is welding wire by wire-feed motor
Structure imports ceramic tube inside, is come out from the hollow tungsten electrode tip of formula is partly split.
Beneficial effects of the present invention are specific as follows：
1. the invention is realized, traditional TIG mass is good and MIG welds advantage of both efficiency high；
2. hollow tungsten electrode splits the hollow tungsten electrode of formula using two and half, manufacturing process is simple, using convenient；In addition, partly splitting the hollow tungsten of formula
Pole piece portion has an earthenware or hollow tungsten electrode inner surface to have insulative ceramic coatings, and the earthenware or insulative ceramic coatings are effectively
Prevent the contact between welding wire and tungsten electrode and tungsten electrode red copper cooling body conductive.
3. arc welding gun head uses water-cooling structure, the ability of carrying welding current is improved, and then greatly enhances life
Produce efficiency；
4. hollow tungsten electrode, which is employed, partly splits formula（Combined by two semi-hollow tungsten electrodes）Manufacture, this kind of mode can be
Tungsten electrode inner surface carries out spray treatment, and monoblock type can not be to being processed inside hollow tungsten electrode, and semi-hollow tungsten electrode
Manufacture is simpler, and the precision of concentricity is higher；
5. half, which splits the hollow tungsten electrode core of formula, employs earthenware or inner surface spray insulation ceramic coating, it is therefore prevented that welding wire and tungsten electrode
Between contact it is conductive, and Integral hollow tungsten electrode can not solve this problem.
Brief description of the drawings：
Fig. 1 one kind partly splits the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun structure schematic diagram of formula；
Fig. 2 tungsten electrode red copper cooling body water-cooling channel profiles；
Fig. 3 one kind partly splits the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun top view of formula；
Fig. 4-1 is a kind of form schematic diagram for partly splitting the hollow tungsten electrode end face of formula；
Fig. 4-2 is second of form schematic diagram for partly splitting the hollow tungsten electrode end face of formula；
Fig. 4-3 is the third form schematic diagram for partly splitting the hollow tungsten electrode end face of formula；
Fig. 4-4 is the 4th kind of form schematic diagram for partly splitting the hollow tungsten electrode end face of formula；
Fig. 4-5 is Fig. 4-1 upward view；
Fig. 4-6 is Fig. 4-2 upward view；
Fig. 4-7 is Fig. 4-3 upward view；
Fig. 4-8 is Fig. 4-4 upward view；
1- red copper protective gas nozzle 2- red copper protective gas chambers 3- confines bolt 4- tungsten electrode red copper cooling body water-cooling channels
5- bracket 6- screw thread 7- air inlet 8- earthenware 9- red copper protective gas nozzle cooling rings 10- partly splits the hollow tungsten electrode of formula
The wire feeder of 11- tungsten electrode red copper cooling body 12- water inlet 13- delivery port 14- bakelite 15- screw 16- compo pipes 17
18- welding wires.
Embodiment：
The present invention provides one kind and partly splits the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula, and the welding gun is protected including red copper
Gas nozzle 1, red copper protective gas chamber 2 and red copper protective gas nozzle cooling ring 9；Red copper protective gas nozzle cooling ring 9 is set
Put in the periphery of red copper protective gas nozzle 1, red copper protective gas chamber 2 is fixed with bracket 5, the front of red copper protective gas chamber 2
The gradually red copper protective gas nozzle 1 of interior receipts forward is formed, tungsten electrode red copper cooling body is provided with red copper protective gas chamber 2
11, form gas passage between tungsten electrode red copper cooling body 11 and the inwall of red copper protective gas chamber 2（The arrow locations seen in Fig. 1）,
Gas passage is connected with red copper protective gas nozzle 1, is provided with tungsten electrode red copper cooling body 11 and is partly split the hollow tungsten electrode 10 of formula, partly split
The hollow tungsten electrode 10 of formula stretches out the front end of tungsten electrode red copper cooling body 11, and welding wire 18 passes through bracket 5, tungsten electrode red copper cooling body 11 when using
And partly split the hollow tungsten electrode 10 of formula, and converge with the protective gas that is sprayed from red copper protective gas nozzle 1.
Cooling-water duct 4 is provided with tungsten electrode red copper cooling body 11, cooling-water duct 4 forms water inlet at bracket 5
12.The welding gun using the internal cooling aquaporin-4 of tungsten electrode red copper cooling body 11 tungsten electrode has been carried out it is indirect it is cold go, can so subtract
Few tungsten electrode loss, increase of weld current and raising production efficiency；
Ceramic insulating layer or ceramic insulating tube 8 are provided between the hollow tungsten electrode 10 of formula and welding wire 18 partly splitting, ceramic insulating layer or
The rear end of ceramic insulating tube 8 passes through partly to split and put in after the hollow tungsten electrode 10 of formula in tungsten electrode red copper cooling body 11 and cooled aquaporin-4
It surround.Ceramic insulating layer or ceramic insulating tube 8 are conductive between welding wire and tungsten electrode to prevent
The tip of the hollow tungsten electrode 10 of formula is partly split to produce the sophisticated shape and spheroidal of annular electric arc, partly splits the hollow tungsten electrode 10 of formula
Tungsten electrode tip is as shown in figure 1, be slightly to stretch out red copper protective gas nozzle 1 in the inside and its front end of red copper protective gas nozzle 1
's.
Welding wire 18 is to be first directed to by wire feeder 17 in compo pipe 16, inside earthenware 8.
It is that to split constitute by the way of the laminating of formula hollow tungsten electrode one using two and half complete hollow partly to split the hollow tungsten electrode 10 of formula
Tungsten electrode.
Ceramic insulating layer is manufactured using methods such as sprayings in tungsten electrode inner surface.
Gas passage forms air inlet 7 at bracket 5, air inlet 7 be symmetrical.Its purpose is to make protection
Gas more uniformly sends out red copper protective gas nozzle 1.
There are 2 groups partly to split the hollow tungsten electrode 10 of formula and its core to fixed in tungsten electrode red copper cooling body 11, ceramic insulating layer or
The confinement bolt 3 of ceramic insulating tube 8.
Welding wire 18 is imported inside earthenware 8 by wire feeder 17, is come out from the hollow tip of tungsten electrode 10 of formula is partly split.
Shown in reference picture 1, protective gas enters from air inlet 7, in order to reach good protection effect, devises two air inlets
Mouthful, it is symmetrical, it is ensured that the more uniform stabilization of protection air-flow；
Shown in reference picture 3, cooling water enters from water inlet 12, by tungsten electrode red copper cooling body water-cooling channel 4, finally from delivery port
The particular location of 13 discharges, inlet opening 12 and delivery port 13 may refer to shown in Fig. 3, in the course of the work, the cooling-water duct
The big calorimetric of tungsten electrode generation can be taken away, so as to improve the current capacity of tungsten electrode, and then production efficiency is improved；
Shown in reference picture 4-1 to 4-8, be the present invention partly split the hollow tungsten electrode 10 of formula.It partly splits the hollow manufacturing process of tungsten electrode 10 of formula
Simply, earthenware 8 or insulative ceramic coatings are put into its core, the earthenware 8 or insulative ceramic coatings can prevent welding wire with
Partly split and contact conductive between the hollow tungsten electrode 10 of formula and tungsten electrode red copper cooling body 11；
With reference to shown in Fig. 4-1 to 4-8, pointed shape and semi-spherical shape, which can be used by partly splitting the end of the hollow tungsten electrode 10 of formula
Easily ignite electric arc, and arc stability.Such as forms of the Fig. 4-1 for periphery tip, i.e., taper into from top to bottom, Fig. 4-2 is Inner
The form at edge tip, i.e., it is internal from top to bottom to become larger, Fig. 4-3 be Inner edge and periphery in the form at tip, i.e., it is peripheral certainly
Tapered under above, inside from top to bottom becomes larger；The arc-shaped that Fig. 4-4 is tapered into from top to bottom for periphery, Inner edge
For the arc-shaped become larger from top to bottom.
In summary, the preparation method for partly splitting the hollow tungsten electrode of formula of the invention is simple, and hollow tungsten electrode core has ceramics
Pipe or insulative ceramic coatings；Coaxial wire feed partly split the hollow gas tungsten arc welding of formula connect, cladding and increasing material manufacturing process
In, the present invention will not be changed by direction and influence the position relationship between welding wire and electric arc, be adapted to pahtfinder hard processing and manufacturing；Separately
External hollow tungsten electrode and red copper protection gas jets have water-cooling channel, it is ensured that hollow tungsten electrode and red copper protection gas jets service life,
It also ensure that the stabilization of welding performance.
Claims (10)
1. one kind partly splits the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula, it is characterised in that：The welding gun includes red copper
Protective gas nozzle（1）, red copper protective gas chamber（2）And red copper protective gas nozzle cooling ring（9）；Red copper protective gas nozzle
Cooling ring（9）It is arranged on red copper protective gas nozzle（1）Periphery, red copper protective gas chamber（2）With bracket（5）It is fixed, red copper
Protective gas chamber（2）Front form the gradually red copper protective gas nozzle of interior receipts forward（1）, in red copper protective gas chamber（2）
Inside it is provided with tungsten electrode red copper cooling body（11）, tungsten electrode red copper cooling body（11）With red copper protective gas chamber（2）Formed between inwall
Gas passage, gas passage and red copper protective gas nozzle（1）Connection, tungsten electrode red copper cooling body（11）Inside it is provided with and partly splits formula sky
Heart tungsten electrode（10）, partly split the hollow tungsten electrode of formula（10）Stretch out tungsten electrode red copper cooling body（11）Front end, welding wire when using（18）Pass through
Bracket（5）, tungsten electrode red copper cooling body（11）And partly split the hollow tungsten electrode of formula（10）, and with from red copper protective gas nozzle（1）Spray
Protective gas converge.
2. according to claim 1 partly split the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula, it is characterised in that：
In tungsten electrode red copper cooling body（11）Inside it is provided with cooling-water duct（4）, cooling-water duct（4）In bracket（5）Place forms water inlet
（12）.
3. according to claim 2 partly split the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula, it is characterised in that：
Partly splitting the hollow tungsten electrode of formula（10）With welding wire（18）Between be provided with ceramic insulating layer or ceramic insulating tube（8）, ceramic insulating layer
Or ceramic insulating tube（8）Rear end through partly splitting the hollow tungsten electrode of formula（10）After put in tungsten electrode red copper cooling body（11）It is interior and be cooled
Aquaporin（4）It surround.
4. partly splitting the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula according to claim 1-3, its feature exists
In：Partly split the hollow tungsten electrode of formula（10）Tip for produce annular electric arc sophisticated shape and spheroidal.
5. according to claim 1 partly split the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula, it is characterised in that：
Welding wire（18）It is by wire feeder（17）It is first directed to compo pipe（16）In, subsequently into earthenware（8）It is internal.
6. according to claim 1 partly split the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula, it is characterised in that：
Partly split the hollow tungsten electrode of formula（10）It is to split a complete hollow tungsten electrode being constituted by the way of the laminating of formula hollow tungsten electrode using two and half.
7. according to claim 3 partly split the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula, it is characterised in that：
Ceramic insulating layer is manufactured using spraying method in tungsten electrode inner surface.
8. the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula is partly split according to claim 1, it is characterised in that：Gas
Body passage is in bracket（5）Place forms air inlet（7）, air inlet（7）It is symmetrical.
9. the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula is partly split according to claim 3, it is characterised in that：Tungsten
Pole red copper cooling body（11）On have 2 groups to fixation partly split the hollow tungsten electrode of formula（10）With its core, ceramic insulating layer or ceramics are absolutely
Edge pipe（8）Confinement bolt（3）.
10. the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula is partly split according to claim 1, it is characterised in that：
Welding wire（18）By wire feeder（17）Import earthenware（8）Inside, from partly splitting the hollow tungsten electrode of formula（10）Tip comes out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710512517.2A CN107186322B (en) | 2017-06-29 | 2017-06-29 | Half-split hollow tungsten electrode coaxial wire feeding inert gas shielded welding gun |
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|---|---|---|---|
| CN201710512517.2A CN107186322B (en) | 2017-06-29 | 2017-06-29 | Half-split hollow tungsten electrode coaxial wire feeding inert gas shielded welding gun |
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| CN107186322A true CN107186322A (en) | 2017-09-22 |
| CN107186322B CN107186322B (en) | 2022-12-06 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111266702A (en) * | 2019-03-19 | 2020-06-12 | 沈阳工业大学 | Coaxial TIG electric arc additive manufacturing device with wire feeding inside arc and powder feeding outside arc |
| 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 |
| 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 |
| CN117324733A (en) * | 2023-10-26 | 2024-01-02 | 广东福维德焊接股份有限公司 | Deep fusion welding gun structure |
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