CN106825869A - Argon-arc welding gun and the device with the argon-arc welding gun - Google Patents
Argon-arc welding gun and the device with the argon-arc welding gun Download PDFInfo
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- CN106825869A CN106825869A CN201710243440.3A CN201710243440A CN106825869A CN 106825869 A CN106825869 A CN 106825869A CN 201710243440 A CN201710243440 A CN 201710243440A CN 106825869 A CN106825869 A CN 106825869A
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- tungsten electrode
- connection
- argon
- feed tube
- welding 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
- B23K9/32—Accessories
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
A kind of argon-arc welding gun and the device with the argon-arc welding gun, including insulator（11）；Positioned at insulator（11）Outward and insulator（11）The pipette tips body of connection（1）；With insulator（11）The ring of eddy of first end connection（14）；With pipette tips body（1）Nearly ring of eddy（14）Hold the nozzle of connection（8）；It is arranged on insulator（11）Interior air inlet pipe（4）, feed tube（3）And drain pipe（2）；With feed tube（3）Or insulator（11）Nearly ring of eddy（14）Hold the tungsten electrode seat of connection（5）；With tungsten electrode seat（5）Away from feed tube（3）Hold the tungsten electrode of connection（6）；Positioned at tungsten electrode seat（5）Away from tungsten electrode（6）End, external cylindrical surface and insulator（11）Connection, inner cylinder face and tungsten electrode seat（5）Connection, air diffuser and air inlet pipe（4）The scattered gas net of connection（10）；Tungsten electrode seat（5）And tungsten electrode（6）With ring of eddy（14）And nozzle（8）Between have supplied gas outflow gas flow.
Description
Technical field
The present invention relates to technical field of welding equipment, more particularly, to a kind of argon-arc welding gun and the weldering with the argon-arc welding gun
Connection device.
Background technology
Argon arc welding technology is the protection using argon gas to metal wlding, by high current on the basis of conventional arc weldering
Make wlding that liquid is melted on by weldering base material and form molten bath, make to be welded metal and wlding reaches a kind of welding skill of metallurgical binding
Art, due to being welded in high-temperature fusion in constantly serve argon gas, prevent wlding from air in oxygen contact, so as to prevent weldering
The oxidation of material, therefore can be with soldering stainless steel, iron class hardware metal.Argon arc soldering equipment by welding machine, welding gun, control cabinet, water, electricity and gas,
Ground wire and earth wire clamp, tungsten electrode servicing unit etc. are constituted.Traditional welding gun and the power positive cathode connection of workpiece be according to welding not
Depending on same material, typically using argon gas as protective gas, tungsten electrode realizes welding as non consumable arc welding electrode, heating fusing mother metal,
Suitable for the welding of small members and thin-walled material, arc stability is characterized in, molten bath is easily controllable, is widely used in precision welding
Connect and high-temperature high-pressure component welding in.
CN 106001861A disclosed a kind of high-efficiency water cooling argon-arc welding gun on October 12nd, 2016.The high-efficiency water cooling argon
Arc welding torch, is by handle, pipette tips body, pipette tips body sheath, rear cap, tungsten electrode rod, tungsten electrode folder, interior collet, outer collet, outer connection
Set, nozzle connection ring and ceramic nozzle composition, wherein handle middle setting has air inlet pipe, water inlet pipe and outlet pipe, the right side of handle
The handpiece body overcoat connection of the outside of pipette tips body is held and is coated on, the lower end of air inlet pipe connects with the air admission hole of pipette tips body upper side
Connect, air admission hole is connected with pipette tips body center vertical through hole, vertical through hole middle setting tungsten electrode folder, tungsten electrode is installed with tungsten electrode folder mesopore
Rod, the cylindrical centre of pipette tips body is machined with annular groove, and the inner circle of interior collet closely surrounds the outside of annular groove by annular
Groove closes into water(-cooling) jacket, and water inlet pipe and outlet pipe are connected with water(-cooling) jacket, and the outside of interior collet is provided with outer collet,
Outer collet outside connects together with ceramic nozzle upper end inner circle, and pipette tips body sheath lower end is provided with outer adapter sleeve, outer connection
Set lower end connection nozzle connection ring, connection ring and ceramic nozzle upper end are cylindrical spun by screw thread together with, rear cap is arranged on rifle
The top of head body.
The more difficult control of argon arc welding gun air-flow of the prior art, welding gun heat radiation point is away from heat generating spot, poor radiation, tungsten electricity
Pole ablation is serious, and electric arc cannot regulate and control exactly, operates also cumbersome；Because architectural limitation, the energy density of electric arc can not
Further improve so that welding efficiency is difficult to improve again, and welding quality is affected, the adaptability of welding material is also subject to shadow
Ring.
The content of the invention
In order to overcome the defect of prior art, a kind of thermal diffusivity of present invention offer is good, air-flow is relatively easy to control, and can significantly carry
The argon-arc welding gun and the welder with the argon-arc welding gun of arc energy density high.
In order to solve the above-mentioned technical problem, on the one hand, the present invention provides a kind of argon-arc welding gun, including insulator；Positioned at institute
State the pipette tips body that insulation is connected with insulator in vitro；The ring of eddy being connected with the insulator first end；It is near with the pipette tips body
The nozzle of ring of eddy end connection；The air inlet pipe that is arranged in the insulator, feed tube and go out liquid with the feed tube is connected
Pipe；The tungsten electrode seat being connected with the feed tube or the nearly ring of eddy end of insulator；It is connected away from feed liquor pipe end with tungsten electrode seat
Tungsten electrode；Positioned at tungsten electrode seat away from tungsten electrode end, cylinder is connected with the insulator, and endoporus is connected with tungsten electrode seat, dissipates gas
The scattered gas net that mouth is connected with the air inlet pipe；There is supplied gas outflow between the tungsten electrode seat and tungsten electrode and ring of eddy and nozzle
Gas flow.
As one of improved technology scheme, the argon-arc welding gun that the present invention is provided, the nearly vortex of the tungsten electrode seat and feed tube
Ring end connects；The tungsten electrode seat and tungsten electrode are provided with the axial cooling chamber closed away from tungsten electrode end opening, nearly tungsten electrode end seal；The feed liquor
The liquid outlet of pipe is extend into the axial cooling chamber.
On the basis of one of improved technology scheme, as the argon arc welding that further improved technology scheme, the present invention are provided
Rifle, is also detachably connected with first end with the feed tube, and the other end extend into the playpipe in the axial cooling chamber；Institute
Playpipe is stated to be connected with the feed tube；Having away from tungsten electrode seat one end for the playpipe is convex for what is be connected with feed tube
Platform, fluid return passage is formed between nearly tungsten electrode seat one end of playpipe and the inner chamber of feed tube and axial cooling chamber, and fluid is returned
Circulation road away from tungsten electrode seat one end connected with drain pipe.
Further, the argon-arc welding gun that the present invention is provided, sealing ring is additionally provided between the feed tube and tungsten electrode seat.
Further, the argon-arc welding gun that the present invention is provided, is additionally provided with least on the cylinder at the non-boss position of playpipe
Three support columns contacted with the internal chamber wall of the feed tube.
Further, the argon-arc welding gun that the present invention is provided, the support column is in wait central angle row on the cylinder of playpipe
Row, and each support column is differed from the distance between described boss, is dislocation arrangement.
Further, the present invention provide argon-arc welding gun, on the cylinder at the non-boss position of playpipe, feed tube it is interior
The inwall of wall and/or axial cooling chamber is additionally provided with spiral flow apron.
Used as the two of improved technology scheme, the argon-arc welding gun that the present invention is provided, the scattered gas net includes that cylinder is exhausted with described
Edge body is connected, the cylinder that endoporus is connected with tungsten electrode seat, positioned at the annular groove of the nearly air inlet pipe one end of the cylinder, several
With the annular groove and the scattered vent hole of gas flow passage.
Used as the three of improved technology scheme, the argon-arc welding gun that the present invention is provided also has described in leading in the insulator
The cable protecting tube of tungsten electrode seat.
In order to solve the above-mentioned technical problem, on the other hand, the present invention provides a kind of device, with described in foregoing any one
Argon-arc welding gun.
In the case where not conflicting, aforementioned improved scheme can be implemented alone or in combination.
The present invention provide technical scheme, because can to tungsten electrode seat and tungsten electrode cool down, can be greatly lowered tungsten electrode seat and
The temperature of tungsten electrode, increases the density of electric arc, improves bonding power, so as to improve electric arc penetration power, improves fusion penetration depth, hence it is evident that carry
High welding quality, can reach the effect of laser welding；The service life of tungsten electrode seat and tungsten electrode can be improved；By to tungsten electrode seat and
Tungsten electrode is cooled down, and can improve bonding power, so as to improve the quality of weld job efficiency and weld seam；Due to tungsten electrode seat and tungsten electrode
Timely and effectively cooled down, tungsten electrode can be made to be difficult abrasion deformation, so as to keep permanent sharpness, the energy for improving electric arc is close
Degree, can accurately weld sheet lap and dissipate arc without inclined arc, overcome traditional welding gun and burnt because tungsten needle temperature is too high
The sharpness of tungsten needle is damaged, the deficiency of welding quality is influenceed.Its structure is novel, and speed of welding is suitable with Mig welderings, and weld fumes with
Ash splashes and significantly reduces, so as to reduce the harm to people and the destruction to equipment.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, constitutes the part of the application, but does not constitute to this hair
Bright improper restriction.In the accompanying drawings：
Fig. 1 is the principle schematic diagram. of the argon-arc welding gun of embodiment 1；
Fig. 2 is the principle schematic diagram. of the argon-arc welding gun of embodiment 2；
Fig. 3 is the left view of Fig. 2.
Specific embodiment
Specific embodiment of the invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1：Argon-arc welding gun as shown in figures 1 and 3, including insulator 11；Positioned at the outside of insulator 11 with it is exhausted
The pipette tips body 1 of the connection of edge body 11；The ring of eddy 14 being connected with the first end of insulator 11 by screw thread；By screw thread and pipette tips body 1
The nozzle 8 of the nearly end of ring of eddy 14 connection；The air inlet pipe 4 that is arranged in insulator 11, feed tube 3 and with going out that feed tube 3 is connected
Liquid pipe 2；The tungsten electrode seat 5 being connected with the nearly end of ring of eddy 14 of insulator 11；The tungsten electrode 6 being connected away from the end of feed tube 3 with tungsten electrode seat 5；
Positioned at tungsten electrode seat 5 away from the end of tungsten electrode 6, external cylindrical surface is connected with insulator 11, and endoporus is connected with tungsten electrode 5, air diffuser and air inlet
The scattered gas net 10 of the connection of pipe 4；There is the gas stream of supplied gas outflow between tungsten electrode seat 5 and tungsten electrode 6 and ring of eddy 14 and nozzle 8
Road.Pipette tips body 1 is coated on the outside of insulator 11, plays protective action, and metal material can be used, and intensity is high.Air inlet pipe 4 and outside
Argon gas source is connected, and in welding, argon gas enters gas flow by air inlet pipe 4, scattered gas net 10, is discharged through gas flow, rises and protects
Shield is acted on, while cooling down tungsten electrode seat 5 and tungsten electrode 6.Cooling fluid enters proximal to the area of tungsten electrode seat 5 and tungsten electrode 6 by feed tube 3
Domain, is cooled down by conducting heat to tungsten electrode seat 5 and tungsten electrode 6, and the cooling fluid of heat is discharged by drain pipe 2.
Embodiment 2：Argon-arc welding gun as shown in Figures 2 and 3, including insulator 11；Positioned at the outside of insulator 11 with it is exhausted
The pipette tips body 1 of the connection of edge body 11；The ring of eddy 14 being connected with the first end of insulator 11 by screw thread；By screw thread and pipette tips body 1
The nozzle 8 of the nearly end of ring of eddy 14 connection；The air inlet pipe 4 that is arranged in insulator 11, feed tube 3 and with going out that feed tube 3 is connected
Liquid pipe 2；The tungsten electrode seat 5 being connected with the nearly end of ring of eddy 14 of feed tube 3；The tungsten electrode 6 being connected away from the end of feed tube 3 with tungsten electrode seat 5；Position
In tungsten electrode seat 5 away from the end of tungsten electrode 6, external cylindrical surface is connected with insulator 11, and endoporus is connected with tungsten electrode 5, air diffuser and air inlet pipe 4
The scattered gas net 10 of connection；There is the gas flow of supplied gas outflow between tungsten electrode seat 5 and tungsten electrode 6 and ring of eddy 14 and nozzle 8；Tungsten
Electrode seat 5 and tungsten electrode 6 are provided with the axial cooling chamber 9 closed away from the end opening of tungsten electrode 6, the end seal of nearly tungsten electrode 6；The first end of playpipe 7 with
Feed tube 3 is detachably connected, and the other end is extend into axial cooling chamber 9；Playpipe 7 is connected with feed tube 3；Playpipe 7 it is remote
There is the boss for being connected with feed tube 3 from 5 one end of tungsten electrode seat, 5 one end of nearly tungsten electrode seat of playpipe 7 are interior with feed tube 3
Form fluid return passage between chamber and axial cooling chamber 9, fluid return passage connects away from 5 one end of tungsten electrode seat with drain pipe 2
It is logical.Pipette tips body 1 is coated on the outside of insulator 11, plays protective action, and metal material can be used, and intensity is high.Air inlet pipe 4 and outside
Argon gas source is connected, and in welding, argon gas enters gas flow by air inlet pipe 4, scattered gas net 10, is discharged through gas flow, rises and protects
Shield is acted on, while cooling down tungsten electrode seat 5 and tungsten electrode 6.Tungsten electrode seat 5 and tungsten electrode 6 are provided with axial cooling chamber 9, and cooling fluid is through feed tube
3rd, playpipe 7 sprays into axial cooling chamber 9 coolant, and tungsten electrode seat 5 and tungsten electrode 6 are cooled down, and the cooling fluid of heat passes through
Drain pipe 2 is discharged.
Alternatively, the argon-arc welding gun that the present invention is provided, sealing ring 12 is additionally provided between feed tube 3 and tungsten electrode seat 5.Sealing ring
12 make tungsten electrode seat 5 and feed tube 3 between sealing property be improved, prevent fluid from tungsten electrode seat 5 and feed tube 3 between
Revealed at gap.
Alternatively, the present invention provide argon-arc welding gun, be additionally provided with the cylinder at the non-boss position of playpipe 7 three with it is described
The support column 16 of the internal chamber wall contact of feed tube 3.Three support columns 16 are in wait central angle uniformly to arrange on the cylinder of playpipe 7
Row, and each support column 16 is differed from the distance between boss, is dislocation arrangement.Support column 16 prevents playpipe 7 in high velocity liquid
Swung in the presence of body；Each support column 16 is differed from the distance between boss, is dislocation arrangement, while fluid can be made in fluid
Flow direction changes in return flow line, is more likely formed turbulent flow, is conducive to heat transfer.
Alternatively, the argon-arc welding gun that the present invention is provided, the cylinder at the non-boss position of playpipe 7 is provided with spiral leading
Stream baffle plate 13.In other embodiments, flow apron 13 may also be arranged on feed tube 3 inwall and/or axial cooling chamber 9 it is interior
On wall.Setting flow apron 13 can make fluid flow direction in fluid return passage produce change, form turbulent flow, be conducive to passing
Heat.Flow apron 13 is arranged on the inwall of the inwall of feed tube 3 and/or axial cooling chamber 9, can increase heat transfer area, is accelerated
Radiating.
Alternatively, the argon-arc welding gun that the present invention is provided, dissipates gas net 10 and is connected with insulator 11 including cylinder, endoporus and tungsten electrode
The cylinders of the connection of seat 5, positioned at the annular groove of the nearly one end of air inlet pipe 4 of cylinder, several and annular groove and gas flow passage
Scattered vent hole.Set and dissipate gas net 10, the inflow direction of protective gas can be made to be evenly distributed on the entrance point of gas flow, make guarantor
Flow velocity of the shield gas in gas flow is more uniform, and the protective gas for flowing to weld job region is more uniform, prevents gas
There is local depression area with weld job region in runner, so as to prevent extraneous air from entering in gas flow or weld job area
Domain, prevents weld to be oxidized, and improves welding quality；Make protective gas equal in the surrounding flow velocity of tungsten electrode seat 5 and tungsten electrode 6 simultaneously
Weighing apparatus, is conducive to taking away the heat of tungsten electrode seat 5 and tungsten electrode 6, the temperature of tungsten electrode seat 5 and tungsten electrode 6 is reduced, so as to preferably protect tungsten electrode
Seat 5 and tungsten electrode 6, extend their service life.
Alternatively, also there is the cable protecting tube 15 for leading to tungsten electrode seat 5 in the argon-arc welding gun that the present invention is provided, insulator 11.
The technical scheme that the present invention is provided, because that can be cooled down to tungsten electrode seat 5 and tungsten electrode 6, can significantly reduce tungsten electrode seat 5
With the temperature of tungsten electrode 6, increase the density of electric arc, improve bonding power, so as to improve electric arc penetration power, improve fusion penetration depth, it is bright
It is aobvious to improve welding quality, can reach the effect of laser welding；The service life of tungsten electrode seat 5 and tungsten electrode 6 can be improved；By to tungsten
Electrode seat 5 and tungsten electrode 6 are cooled down, and can improve bonding power, so as to improve weld job efficiency and welding quality；Due to tungsten electrode seat
5 and tungsten electrode 6 timely and effectively cooled down, tungsten electrode can be made to be difficult abrasion deformation, tungsten electrode 6 is kept permanent sharpness so that
Improve electric arc energy density, can accurately weld sheet lap without inclined arc dissipate arc, overcome traditional welding gun because
Tungsten needle temperature is too high and the sharpness of easy scaling loss tungsten needle, influences the deficiency of welding quality.Its structure novelty, speed of welding and Mig
Weldering is suitable, and weld fumes and ash splash and significantly reduce, so as to reduce the harm to people and the destruction to equipment.
It is clear that the invention is not restricted to above preferred embodiment, can also limit in the claims in the present invention and specification
In spiritual, the conversion and improvement of diversified forms are carried out, same technical problem can be solved, and obtain expected technique effect, therefore
Do not repeat.One of ordinary skill in the art can from present disclosure directly or all schemes for associating, if
Within the spirit that claim is limited, protection scope of the present invention is fallen within.
Claims (10)
1. a kind of argon-arc welding gun, it is characterised in that including insulator（11）；Positioned at the insulator（11）Outward and insulator（11）
The pipette tips body of connection（1）；With the insulator（11）The ring of eddy of first end connection（14）；With the pipette tips body（1）Nearly vortex
Ring（14）Hold the nozzle of connection（8）；It is arranged on the insulator（11）Interior air inlet pipe（4）, feed tube（3）And with the feed liquor
Pipe（3）The drain pipe of connection（2）；With the feed tube（3）Or insulator（11）Nearly ring of eddy（14）Hold the tungsten electrode seat of connection
（5）；With tungsten electrode seat（5）Away from feed tube（3）Hold the tungsten electrode of connection（6）；Positioned at tungsten electrode seat（5）Away from tungsten electrode（6）
End, cylinder and the insulator（11）Connection, endoporus and tungsten electrode seat（5）The cylinder of connection, air diffuser and the air inlet pipe
（4）The scattered gas net of connection（10）；The tungsten electrode seat（5）And tungsten electrode（6）With ring of eddy（14）And nozzle（8）Between have supplied gas
The gas flow of outflow.
2. argon-arc welding gun according to claim 1, it is characterised in that the tungsten electrode seat（5）With feed tube（3）Nearly vortex
Ring（14）End connection；The tungsten electrode seat（5）And tungsten electrode（6）It is provided with away from tungsten electrode（6）End opening, nearly tungsten electrode（6）The axle that end seal is closed
To cooling chamber（9）；The feed tube（3）Liquid outlet extend into the axial cooling chamber（9）It is interior.
3. argon-arc welding gun according to claim 2, it is characterised in that also with first end and the feed tube（3）It is removable
Connection is unloaded, the other end extend into the axial cooling chamber（9）Interior playpipe（7）；The playpipe（7）With the feed tube
（3）Connection；The playpipe（7）Away from tungsten electrode（6）End has annular boss, the playpipe（7）Away from tungsten electrode seat（5）
One end has to be used for and feed tube（3）The boss of connection, playpipe（7）Nearly tungsten electrode seat（5）One end and feed tube（3）Inner chamber
With axial cooling chamber（9）Between form fluid return passage, fluid return passage away from tungsten electrode seat（5）One end and drain pipe
（2）Connection.
4. argon-arc welding gun according to claim 3, it is characterised in that the feed tube（3）With tungsten electrode seat（5）Between also set
There is sealing ring（12）.
5. argon-arc welding gun according to claim 3, it is characterised in that the playpipe（7）On the cylinder at non-boss position
At least three are additionally provided with the feed tube（3）Internal chamber wall contact support column（16）.
6. argon-arc welding gun according to claim 5, it is characterised in that the support column（16）In playpipe（7）Cylinder
Upper is in wait central angle arrangement, and each support column（16）Differed from the distance between described boss, be dislocation arrangement.
7. argon-arc welding gun according to claim 3, it is characterised in that the playpipe（7）On the cylinder at non-boss position,
Feed tube（3）Inwall and/or axial cooling chamber（9）Inwall be additionally provided with spiral flow apron（13）.
8. argon-arc welding gun according to claim 1, it is characterised in that the scattered gas net（10）Including cylinder and the insulation
Body（11）Connection, endoporus and tungsten electrode seat（5）The cylinder of connection, positioned at the nearly air inlet pipe of the cylinder（4）One end it is annular recessed
Groove, several and the annular groove and the scattered vent hole of gas flow passage.
9. argon-arc welding gun according to claim 1, it is characterised in that the insulator（11）Inside also have and lead to the tungsten
Electrode seat（5）Cable protecting tube（15）.
10. a kind of device, it is characterised in that with the argon-arc welding gun described in any one of claim 1~9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710243440.3A CN106825869B (en) | 2017-04-14 | 2017-04-14 | Argon arc welding gun and device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710243440.3A CN106825869B (en) | 2017-04-14 | 2017-04-14 | Argon arc welding gun and device with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106825869A true CN106825869A (en) | 2017-06-13 |
| CN106825869B CN106825869B (en) | 2022-05-17 |
Family
ID=59147785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710243440.3A Active CN106825869B (en) | 2017-04-14 | 2017-04-14 | Argon arc welding gun and device with same |
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| Country | Link |
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| CN (1) | CN106825869B (en) |
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| CN107262884A (en) * | 2017-08-07 | 2017-10-20 | 石雪蛟 | Argon-arc welding gun with refrigerating function and the device with the argon-arc welding gun |
| CN110072662A (en) * | 2016-12-14 | 2019-07-30 | 川崎重工业株式会社 | Welding gun and full posture welder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106825869B (en) | 2022-05-17 |
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