CN207289135U - 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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- CN207289135U CN207289135U CN201720769766.5U CN201720769766U CN207289135U CN 207289135 U CN207289135 U CN 207289135U CN 201720769766 U CN201720769766 U CN 201720769766U CN 207289135 U CN207289135 U CN 207289135U
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- tungsten electrode
- formula
- red copper
- partly
- hollow
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- 229910052721 tungsten Inorganic materials 0.000 title claims abstract description 143
- 239000010937 tungsten Substances 0.000 title claims abstract description 143
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 141
- 238000003466 welding Methods 0.000 title claims abstract description 84
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 86
- 229910052802 copper Inorganic materials 0.000 claims abstract description 86
- 239000010949 copper Substances 0.000 claims abstract description 86
- 230000001681 protective effect Effects 0.000 claims abstract description 52
- 238000001816 cooling Methods 0.000 claims abstract description 50
- 239000000919 ceramic Substances 0.000 claims abstract description 41
- 239000000498 cooling water Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000010891 electric arc Methods 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 102000010637 Aquaporins Human genes 0.000 claims description 2
- 108010063290 Aquaporins Proteins 0.000 claims description 2
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 claims 8
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000005524 ceramic coating Methods 0.000 abstract description 11
- 108091006146 Channels Proteins 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 238000005253 cladding Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000000476 body water Anatomy 0.000 description 2
- 102000012002 Aquaporin 4 Human genes 0.000 description 1
- 108010036280 Aquaporin 4 Proteins 0.000 description 1
- 229920001342 Bakelite® Polymers 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
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- 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, which includes red copper protective gas nozzle, red copper protective gas chamber and red copper protective gas nozzle cooling ring；The utility model realizes that traditional TIG mass is good and MIG welds efficient both sides advantage；Hollow tungsten electrode splits the hollow tungsten electrode of formula using two and half, and manufacturing process is simple, using convenient；There are a ceramic tube 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 ceramic tube 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 utility model belongs to welding, cladding and material increasing field, and referring specifically to generation, a kind of partly to split the hollow tungsten electrode of formula coaxial
Wire feed 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 heat source come
Filler wire and base metals, and protective gas is conveyed to welding section, 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, 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 influencing the stabilization of welding quality.Although someone has applied together
The hollow tungsten electrode TIG weld method of axis 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 ceramic tube and inner surface not to have insulative ceramic coatings.
The content of the invention
Purpose of utility model：
The utility model 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
It is certainly the problems of conventional.The utility model employs tungsten electrode red copper cooling body water-cooling channel system, realizes tungsten electrode current-carrying
Ability increases substantially, so as to improve production efficiency；In addition, red copper protection gas jets have water-cooling channel, red copper ensure that
Gas jets service life is protected, also ensure that the stabilization of welding performance.
Technical solution：
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 purple
Copper protective gas nozzle, red copper protective gas chamber and red copper protective gas nozzle cooling ring；Red copper protective gas nozzle cooling ring
The periphery of red copper protective gas nozzle is arranged on, red copper protective gas chamber is fixed with bracket, the front shape of red copper protective gas chamber
Into the gradual interior red copper protective gas nozzle received forward, red copper protective gas intracavitary is provided with tungsten electrode red copper cooling body, tungsten electrode
Gas passage is formed between red copper cooling body and red copper protective gas cavity wall, gas passage connects with red copper protective gas nozzle
It is logical, it is provided with tungsten electrode red copper cooling body and partly splits the hollow tungsten electrode of formula, before partly splits the hollow tungsten electrode stretching tungsten electrode red copper cooling body of formula
End, welding wire splits through bracket, tungsten electrode red copper cooling body and partly formula hollow tungsten electrode during use, and with being sprayed from red copper protective gas nozzle
The protective gas gone out converges.
Cooling-water duct is provided with tungsten electrode red copper cooling body, cooling-water duct forms water inlet in cradle.
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 through after partly splitting the hollow tungsten electrode of formula in tungsten electrode red copper cooling body and cooled aquaporin is surround.
The tip for partly splitting the hollow tungsten electrode of formula is the tip shape and spheroidal of generation circular ring shape 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 formed by the way of the fitting 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 formed 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 utility model 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 is adopted
With the hollow tungsten electrode mode of formula is partly split, which manufacturing process is simple, using convenient；And add tungsten electrode red copper cooling body water cooling
Passage and red copper protective gas nozzle water-cooling channel, can greatly improve the current capacity level red copper protective gas nozzle of tungsten electrode
Service life, ensures welding efficiency raising and welding quality stable.
The coaxial wire feed gas tungsten arc welding weldering device, further design is partly to split the hollow tungsten of formula for it
Pole piece portion has a ceramic tube or hollow tungsten electrode inner surface to have insulative ceramic coatings, the effect of the ceramic tube or insulative ceramic coatings
It is that the contact between welding wire and tungsten electrode and tungsten electrode red copper cooling body is conductive in order to prevent.
The coaxial wire feed gas tungsten arc welding weldering device, further design is welding wire by wire-feed motor for it
Structure imports ceramic tube inside, is come out from the hollow tungsten electrode tip of formula is partly split.
The beneficial effects of the utility model are specific as follows：
1. the utility model realizes, traditional TIG mass is good and MIG welds efficient both sides advantage；
2. hollow tungsten electrode splits the hollow tungsten electrode of formula using two and half, manufacturing process is simple, using convenient；In addition, partly split formula sky
Heart tungsten electrode core has a ceramic tube or hollow tungsten electrode inner surface to have insulative ceramic coatings, and the ceramic tube or insulative ceramic coatings have
Prevent to effect 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 employs, partly splits formula（It is composed of two semi-hollow tungsten electrodes）Manufacture, this kind of mode energy
It is enough to carry out spray treatment in tungsten electrode inner surface, and monoblock type cannot be to being processed inside hollow tungsten electrode, and semi-hollow
Tungsten electrode manufactures simpler, the precision higher of concentricity；
5. half, which splits the hollow tungsten electrode core of formula, employs ceramic tube or inner surface spray insulation ceramic coating, it is therefore prevented that welding wire with
Contact between tungsten electrode is conductive, and Integral hollow tungsten electrode cannot solve the problems, such as it is this.
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 the bottom view of Fig. 4-1；
Fig. 4-6 is the bottom view of Fig. 4-2；
Fig. 4-7 is the bottom view of Fig. 4-3；
Fig. 4-8 is the bottom view of Fig. 4-4；
1- red copper protective gas nozzle 2- red copper protective gas chambers 3- confines bolt 4- tungsten electrode red copper cooling body water coolings and leads to
Road 5- bracket 6- screw thread 7- air inlet 8- ceramic tube 9- red copper protective gas nozzle cooling rings 10- partly splits the hollow tungsten electrode of formula
17 wire feeder of 11- tungsten electrode red copper cooling body 12- water inlet 13- water outlet 14- bakelite 15- screw 16- compo pipes
18- welding wires.
Embodiment：
The utility model provides one kind and partly splits the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula, which 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 is cold
But ring 9 is arranged on the periphery of red copper protective gas nozzle 1, and red copper protective gas chamber 2 is fixed with bracket 5, red copper protective gas chamber 2
Front formed forward gradually in the red copper protective gas nozzle 1 received, it is cold in red copper protective gas chamber 2 to be provided with tungsten electrode red copper
But body 11, form gas passage between 2 inner wall of tungsten electrode red copper cooling body 11 and red copper protective gas chamber（See the arrow position in Fig. 1
Put）, gas passage connects with red copper protective gas nozzle 1, is provided with tungsten electrode red copper cooling body 11 and partly splits the hollow tungsten electrode 10 of formula,
Partly split the front end that the hollow tungsten electrode 10 of formula stretches out tungsten electrode red copper cooling body 11, welding wire 18 is cooled down through bracket 5, tungsten electrode red copper during use
Body 11 and the hollow tungsten electrode 10 of formula is partly split, and the protective gas with being sprayed from red copper protective gas nozzle 1 converges.
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 11 internal cooling aquaporin-4 of tungsten electrode red copper cooling body 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；
Partly splitting ceramic insulating layer or ceramic insulating tube 8, ceramic insulation are provided between the hollow tungsten electrode 10 of formula and welding wire 18
The rear end of layer or ceramic insulating tube 8 is put in through after partly splitting the hollow tungsten electrode 10 of formula in tungsten electrode red copper cooling body 11 and cooled water leads to
Road 4 is 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 tip shape and spheroidal of circular ring shape electric arc, partly splits the hollow tungsten electrode of formula
10 tungsten electrode tip is as shown in Figure 1, be slightly to stretch out the spray of red copper protective gas in the inside of red copper protective gas nozzle 1 and its front end
Mouth 1.
Welding wire 18 is to be first directed to by wire feeder 17 in compo pipe 16, inside ceramic tube 8.
It is that to split form by the way of the fitting 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 the methods of spraying 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 ceramic tube 8 by wire feeder 17, is come out from hollow 10 tip of tungsten electrode of formula is partly split.
With reference to shown in Fig. 1, protective gas enters from air inlet 7, in order to reach good protection effect, devises two air inlets
Mouthful, it is symmetrical, ensure the more uniform stabilization of protection air-flow；
With reference to shown in Fig. 3, cooling water enters from water inlet 12, by tungsten electrode red copper cooling body water-cooling channel 4, finally from going out
The mouth of a river 13 is discharged, and the specific location of inlet opening 12 and water outlet 13 may refer to shown in Fig. 3, during the work time, the cooling water
Passage can take away the big calorimetric of tungsten electrode generation, so as to improve the current capacity of tungsten electrode, and then improve production efficiency；
With reference to shown in Fig. 4-1 to 4-8, being that the utility model partly splits the hollow tungsten electrode 10 of formula.It partly splits the hollow tungsten electrode 10 of formula
Manufacturing process is simple, and ceramic tube 8 or insulative ceramic coatings are put into its core, and the ceramic tube 8 or insulative ceramic coatings can be prevented
Only welding wire contacts conduction with partly splitting between the hollow tungsten electrode 10 of formula and tungsten electrode red copper cooling body 11；
With reference to shown in figure 4-1 to 4-8, pointed shape and semi-spherical shape can be used by partly splitting the end of the hollow tungsten electrode 10 of formula, should
Mode is easily ignited electric arc, and arc stability.Such as the form that Fig. 4-1 is peripheral tip, i.e., taper into from top to bottom, Fig. 4-2
For the form at Inner edge tip, i.e., internal from top to bottom to become larger, Fig. 4-3 is Inner edge and periphery in tip in the form of, i.e., outside
Enclose and taper into from top to bottom, inside from top to bottom becomes larger；Fig. 4-4 is periphery arc-shaped gradually smaller from top to bottom,
Inner edge are the arc-shaped become larger from top to bottom.
In conclusion the production method for partly splitting the hollow tungsten electrode of formula of the utility model is simple, and hollow tungsten electrode core has
Ceramic tube or insulative ceramic coatings；Coaxial wire feed partly split the hollow gas tungsten arc welding of formula connect, cladding and increasing material manufacturing
During, the utility model will not be changed by direction and influence the position relationship between welding wire and electric arc, and suitable pahtfinder hard adds
Work manufactures；In addition hollow tungsten electrode and red copper protection gas jets have water-cooling channel, ensure that hollow tungsten electrode and red copper protection gas jets
Service life, 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 formed forward gradually in receive red copper protective gas nozzle（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 inner wall
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 during use（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 split the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding weldering of formula according to any one in claim 1-3
Rifle, it is characterised in that：Partly split the hollow tungsten electrode of formula（10）Tip for produce circular ring shape electric arc tip 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 ceramic insulating tube（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 formed by the way of the fitting 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 ceramic insulating tube（8）Inside, from partly splitting the hollow tungsten electrode of formula（10）Tip comes out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720769766.5U CN207289135U (en) | 2017-06-29 | 2017-06-29 | Partly split the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720769766.5U CN207289135U (en) | 2017-06-29 | 2017-06-29 | Partly split the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207289135U true CN207289135U (en) | 2018-05-01 |
Family
ID=62449797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720769766.5U Expired - Fee Related CN207289135U (en) | 2017-06-29 | 2017-06-29 | Partly split the hollow tungsten electrode coaxial wire feed inert gas-shielded arc welding welding gun of formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207289135U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114147326A (en) * | 2021-12-22 | 2022-03-08 | 黄培 | Argon tungsten-arc welding gun |
-
2017
- 2017-06-29 CN CN201720769766.5U patent/CN207289135U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114147326A (en) * | 2021-12-22 | 2022-03-08 | 黄培 | Argon tungsten-arc welding gun |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |