CN206702397U - A kind of argon-arc welding gun and the device with the argon-arc welding gun - Google Patents

A kind of argon-arc welding gun and the device with the argon-arc welding gun Download PDF

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Publication number
CN206702397U
CN206702397U CN201720390633.7U CN201720390633U CN206702397U CN 206702397 U CN206702397 U CN 206702397U CN 201720390633 U CN201720390633 U CN 201720390633U CN 206702397 U CN206702397 U CN 206702397U
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China
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tungsten electrode
connection
argon
arc welding
feed tube
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CN201720390633.7U
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Chinese (zh)
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石雪蛟
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Individual
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Individual
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Abstract

A kind of argon-arc welding gun and the device with the argon-arc welding gun, including insulator(11);Positioned at insulator(11)Outside 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

A kind of argon-arc welding gun and the device with the argon-arc welding gun
Technical field
Technical field of welding equipment is the utility model is related to, more particularly, to a kind of argon-arc welding gun and there is the argon-arc welding gun Welder.
Background technology
Argon arc welding technology is on the basis of conventional arc weldering, using protection of the argon gas to metal wlding, passes through high current Wlding is melted into liquid 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 constantly serving argon gas in being welded in high-temperature fusion, prevent wlding from being contacted with the oxygen in air, 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. form.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, it 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, are wherein provided with air inlet pipe, water inlet pipe and outlet pipe, the right side of handle among 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, sets tungsten electrode to press from both sides among vertical through hole, and tungsten electrode is installed with tungsten electrode folder mesopore Rod, the cylindrical centre of pipette tips body are machined with annular groove, and the inner circle of interior collet closely surrounds the outside of annular groove by annular Groove closing connects into water(-cooling) jacket, water inlet pipe and outlet pipe with water(-cooling) jacket, and the outside of interior collet is provided with outer collet, Connected together outside outer collet with ceramic nozzle upper end inner circle, pipette tips body sheath lower end is provided with outer adapter sleeve, outer connection Cover 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 can not regulate and control exactly, and operation is 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, and the adaptability of welding material is also by shadow Ring.
Utility model content
The defects of in order to overcome prior art, a kind of thermal diffusivity of the utility model offer is good, air-flow is relatively easy to control, can be significantly Degree improves the argon-arc welding gun of arc energy density and the welder with the argon-arc welding gun.
In order to solve the above-mentioned technical problem, on the one hand, the utility model provides a kind of argon-arc welding gun, including insulator;Position In the pipette tips body being connected outside the insulator with insulator;The ring of eddy being connected with the insulator first end;With the pipette tips The nozzle of the nearly ring of eddy end connection of body;The air inlet pipe that is arranged in the insulator, feed tube and connected with the feed tube Drain pipe;The tungsten electrode seat being connected with the feed tube or the nearly ring of eddy end of insulator;Connect with the tungsten electrode seat away from feed liquor pipe end The tungsten electrode connect;It is connected positioned at the tungsten electrode seat away from tungsten electrode end, cylinder with the insulator, endoporus is connected with the tungsten electrode seat, The scattered gas net that air diffuser connects with the air inlet pipe;There is supplied gas stream between the tungsten electrode seat and tungsten electrode and ring of eddy and nozzle The gas flow gone out.
As one of improved technology scheme, argon-arc welding gun provided by the utility model, the tungsten electrode seat and feed tube it is near Ring of eddy 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;It is described The liquid outlet of feed tube is extend into the axial cooling chamber.
On the basis of one of improved technology scheme, as further improved technology scheme, argon provided by the utility model Arc welding torch, also it is detachably connected with first end and the feed tube, the injection that the other end is extend into the axial cooling chamber Pipe;The playpipe connects with the feed tube;Remote tungsten electrode seat one end of the playpipe, which has, to be used to be connected with feed tube Boss, form fluid return passage between nearly tungsten electrode seat one end of playpipe and the inner chamber of feed tube and axial cooling chamber, flow Remote tungsten electrode seat one end of body return flow line connects with drain pipe.
Further, argon-arc welding gun provided by the utility model, sealing ring is additionally provided between feed tube and the tungsten electrode seat.
Further, argon-arc welding gun provided by the utility model, it is additionally provided with the cylinder at the non-boss position of playpipe At least three support columns contacted with the internal chamber wall of the feed tube.
Further, argon-arc welding gun provided by the utility model, the support column on the cylinder of playpipe in etc. the center of circle Angle arranges, and each support column differs from the distance between described boss, is dislocation arrangement.
Further, argon-arc welding gun provided by the utility model, on the cylinder at the non-boss position of playpipe, feed tube Inwall and/or the inwall of axial cooling chamber be additionally provided with spiral flow apron.
As the two of improved technology scheme, argon-arc welding gun provided by the utility model, the scattered gas net includes cylinder and institute State insulator to connect, the cylinder that endoporus is connected with the tungsten electrode seat, the annular groove positioned at the nearly air inlet pipe one end of the cylinder, if Dry with the annular groove and the scattered vent hole of gas flow passage.
As the three of improved technology scheme, argon-arc welding gun provided by the utility model, also have in the insulator and lead to The cable protecting tube of the tungsten electrode seat.
In order to solve the above-mentioned technical problem, on the other hand, the utility model provides a kind of device, has any one of foregoing institute The argon-arc welding gun stated.
In the case where not conflicting, aforementioned improved scheme can be implemented alone or in combination.
Technical scheme provided by the utility model, because can be cooled down to tungsten electrode seat and tungsten electrode, tungsten electrode can be greatly lowered The temperature of seat and tungsten electrode, 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, it 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 are cooled down, and bonding power can be improved, so as to improve the quality of weld job efficiency and weld seam;Due to tungsten electrode seat and Tungsten electrode is timely and effectively cooled down, and tungsten electrode can be made to be not easy abrasion deformation, so as to keep permanent sharpness, improves the energy of electric arc Metric density, it can accurately weld sheet lap and dissipate arc without inclined arc, overcome traditional welding gun because tungsten needle temperature is too high And the sharpness of scaling loss tungsten needle, influence the deficiency of welding quality.Its structure is novel, and speed of welding is suitable with Mig welderings, and welds cigarette Dirt and ash, which splash, to be significantly reduced, so as to reduce the harm to people and the destruction to equipment.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, forms the part of the application, but composition pair Improper restriction of the present utility model.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 Fig. 2 left view.
Embodiment
Specific embodiment of the present utility model 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 and absolutely The pipette tips body 1 that edge body 11 connects;The ring of eddy 14 being connected by screw thread with the first end of insulator 11;Pass through 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 go out with what feed tube 3 connected Liquid pipe 2;The tungsten electrode seat 5 that the end of ring of eddy 14 near with insulator 11 is connected;The tungsten electrode 6 being connected with tungsten electrode seat 5 away from the end of feed tube 3; It is connected positioned at tungsten electrode seat 5 away from the end of tungsten electrode 6, external cylindrical surface with insulator 11, endoporus is connected with tungsten electrode seat 5, air diffuser and air inlet The scattered gas net 10 that pipe 4 connects;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, intensity height can be used.Air inlet pipe 4 and outside Argon gas source connects, and in welding, argon gas enters gas flow by air inlet pipe 4, scattered gas net 10, is discharged through gas flow, rises and protect Shield acts on, while cools 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, tungsten electrode seat 5 and tungsten electrode 6 are cooled down by heat transfer, hot cooling fluid 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 and absolutely The pipette tips body 1 that edge body 11 connects;The ring of eddy 14 being connected by screw thread with the first end of insulator 11;Pass through 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 go out with what feed tube 3 connected Liquid pipe 2;The tungsten electrode seat 5 that the end of ring of eddy 14 near with feed tube 3 is connected;The tungsten electrode 6 being connected with tungsten electrode seat 5 away from the end of feed tube 3;Position It is connected in tungsten electrode seat 5 away from the end of tungsten electrode 6, external cylindrical surface with insulator 11, endoporus is connected with tungsten electrode seat 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 connects with feed tube 3;Playpipe 7 it is remote Have from the one end of tungsten electrode seat 5 and be used for the boss that is connected with feed tube 3, nearly one end of tungsten electrode seat 5 of playpipe 7 is interior with feed tube 3 Fluid return passage is formed between chamber and axial cooling chamber 9, remote one end of tungsten electrode seat 5 and the drain pipe 2 of fluid return passage connect It is logical.Pipette tips body 1 is coated on the outside of insulator 11, plays protective action, and metal material, intensity height can be used.Air inlet pipe 4 and outside Argon gas source connects, and in welding, argon gas enters gas flow by air inlet pipe 4, scattered gas net 10, is discharged through gas flow, rises and protect Shield acts on, while cools 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 coolant in axial cooling chamber 9, and tungsten electrode seat 5 and tungsten electrode 6 are cooled down, and hot cooling fluid passes through Drain pipe 2 is discharged.
Alternatively, argon-arc welding gun provided by the utility model, sealing ring 12 is additionally provided between feed tube 3 and tungsten electrode seat 5.It is close Seal 12 is improved the sealing property between tungsten electrode seat 5 and feed tube 3, prevents fluid between tungsten electrode seat 5 and feed tube 3 Gap location leakage.
Alternatively, argon-arc welding gun provided by the utility model, be additionally provided with the cylinder at the non-boss position of playpipe 7 three with The support column 16 of the internal chamber wall contact of the feed tube 3.Three support columns 16 are in wait central angle uniform on the cylinder of playpipe 7 Arrangement, and each support column 16 differs from the distance between boss, is dislocation arrangement.Support column 16 prevents playpipe 7 at a high speed Swung in the presence of liquid;Each support column 16 differs from the distance between boss, is dislocation arrangement, while can flow fluid Flow direction changes in body return flow line, is more likely formed turbulent flow, is advantageous to conduct heat.
Alternatively, argon-arc welding gun provided by the utility model, the cylinder at the non-boss position of playpipe 7 are provided with the shape of a spiral Flow apron 13.In other embodiments, flow apron 13 may also be arranged on the inwall and/or axial cooling chamber 9 of feed tube 3 Inwall on.Set flow apron 13 that fluid flow direction in fluid return passage can be made to produce change, form turbulent flow, favorably In heat transfer.Flow apron 13 is arranged on the inwall of feed tube 3 and/or the inwall of axial cooling chamber 9, can increase heat transfer area, Accelerate radiating.
Alternatively, argon-arc welding gun provided by the utility model, dissipate gas net 10 and be connected including cylinder with insulator 11, endoporus and The cylinder that tungsten electrode seat 5 connects, the annular groove positioned at the nearly one end of air inlet pipe 4 of cylinder, several and annular groove and gas flow The scattered vent hole of connection.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 flow velocity of the protective gas in gas flow more uniform, it is more uniform to flow to the protective gas in weld job region, prevents In gas flow and there is local depression area in weld job region, so as to prevent that extraneous air from entering in gas flow or welding is made Industry region, prevents weld to be oxidized, and improves welding quality;Make protective gas in tungsten electrode seat 5 and the surrounding flow velocity of tungsten electrode 6 simultaneously Equilibrium, be advantageous to take away the heat of tungsten electrode seat 5 and tungsten electrode 6, reduce the temperature of tungsten electrode seat 5 and tungsten electrode 6, so as to preferably protect tungsten Electrode seat 5 and tungsten electrode 6, extend their service life.
Alternatively, argon-arc welding gun provided by the utility model, also there is the cable protecting tube for leading to tungsten electrode seat 5 in insulator 11 15。
Technical scheme provided by the utility model, because can be cooled down to tungsten electrode seat 5 and tungsten electrode 6, it can significantly reduce tungsten The temperature of electrode seat 5 and tungsten electrode 6, increase the density of electric arc, improve bonding power, so as to improve electric arc penetration power, it is deep to improve fusion penetration Degree, hence it is evident that 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;It is logical Cross and tungsten electrode seat 5 and tungsten electrode 6 are cooled down, bonding power can be improved, so as to improve weld job efficiency and welding quality;Due to Tungsten electrode seat 5 and tungsten electrode 6 are timely and effectively cooled down, and tungsten electrode can be made to be not easy abrasion deformation, tungsten electrode 6 is kept permanent sharp Degree, so as to improve the energy density of electric arc, it can accurately weld sheet lap and dissipate arc without inclined arc, overcome tradition Welding gun because tungsten needle temperature is too high and the sharpness of easy scaling loss tungsten needle, influence the deficiency of welding quality.Its structure is novel, speed of welding It is suitable with Mig welderings, and weld fumes and ash splash and significantly reduced, so as to reduce the harm to people and the destruction to equipment.
Obviously, the utility model is not limited to above preferred embodiment, can also be in the utility model claims and explanation In the spirit that book limits, the conversion and improvement of diversified forms are carried out, can solve same technical problem, and technology expected from acquirement Effect, therefore do not repeat.One of ordinary skill in the art directly or can associate all from the utility model disclosure Scheme, as long as within the spirit that claim limits, fall within the scope of protection of the utility model.

Claims (10)

1. a kind of argon-arc welding gun, it is characterised in that including insulator(11);Positioned at the insulator(11)Outside 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)With 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 the tungsten electrode seat(5)Away from feed tube(3)Hold the tungsten electrode of connection(6);Positioned at the tungsten electrode seat(5)Away from tungsten electrode(6) End, cylinder and the insulator(11)Connection, endoporus and the 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 there is 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)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)Remote tungsten electrode(6)End has annular boss, the playpipe(7)Remote tungsten electrode seat(5) One end, which 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, the remote tungsten electrode seat of fluid return passage(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 It is additionally provided with least three and 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)Differ, be dislocation arrangement from the distance between described boss.
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 the 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 with argon-arc welding gun, it is characterised in that there is the argon arc welding described in any one of claim 1~9 Rifle.
CN201720390633.7U 2017-04-14 2017-04-14 A kind of argon-arc welding gun and the device with the argon-arc welding gun Withdrawn - After Issue CN206702397U (en)

Priority Applications (1)

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CN201720390633.7U CN206702397U (en) 2017-04-14 2017-04-14 A kind of argon-arc welding gun and the device with the argon-arc welding gun

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Application Number Priority Date Filing Date Title
CN201720390633.7U CN206702397U (en) 2017-04-14 2017-04-14 A kind of argon-arc welding gun and the device with the argon-arc welding gun

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106825869A (en) * 2017-04-14 2017-06-13 石雪蛟 Argon-arc welding gun and the device with the argon-arc welding gun

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106825869A (en) * 2017-04-14 2017-06-13 石雪蛟 Argon-arc welding gun and the device with the argon-arc welding gun

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