CN208644353U - A kind of argon-arc welding gun - Google Patents
A kind of argon-arc welding gun Download PDFInfo
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- CN208644353U CN208644353U CN201821363351.9U CN201821363351U CN208644353U CN 208644353 U CN208644353 U CN 208644353U CN 201821363351 U CN201821363351 U CN 201821363351U CN 208644353 U CN208644353 U CN 208644353U
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- helicla flute
- torch body
- tungsten needle
- water inlet
- coolant jacket
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Abstract
The utility model relates to a kind of argon-arc welding guns, including torch body, it is connected to the tungsten needle folder of torch body one end, coolant jacket is arranged with outside the torch body and tungsten needle folder, the coolant jacket internal helicoid is distributed with into water helicla flute and water outlet helicla flute, the water inlet helicla flute is distributed side by side with water outlet helicla flute, the water inlet helicla flute is communicated with water inlet pipe, the water outlet helicla flute is communicated with outlet pipe, coolant jacket is located at tungsten needle folder end and is provided with heat-absorbing chamber, the water inlet helicla flute is connected to heat-absorbing chamber with water outlet helicla flute, it can be to efficiently being cooled down at tungsten needle folder, tungsten needle folder end is avoided to a certain extent when the temperature is excessively high, so that there is a situation where scaling loss deformations to occur for welding gun, improve the service life of welding gun.
Description
Technical field
The utility model relates to welding equipment, in particular to a kind of argon-arc welding gun.
Background technique
Argon arc welding technology is protection on the basis of ordinary arc weldering, using argon gas to metal wlding, passes through high current
So that wlding is melted into liquid on the base material to be welded and form molten bath, makes to be welded metal and wlding reaches a kind of welding skill of metallurgical bonding
Art makes the oxygen contact in wlding discord air, to prevent wlding due to constantly serving argon gas in high-temperature fusion weld
Oxidation, therefore can be with soldering stainless steel, iron class hardware metal.
The power positive cathode connection of traditional welding gun and workpiece is depending on welding different materials, usually with argon gas
As protective gas, tungsten electrode realizes welding as non consumable arc welding electrode, heating fusing base material, suitable for small members and thin-walled material
Welding, its main feature is that arc stability, molten bath is easily controllable, is widely used in precision welding and high-temperature high-pressure component welding.
But during using welding gun, the tungsten electrode of welding gun needs to work at a high temperature of continuing, and is thus easy to
Cause tungsten electrode end scaling loss to deform, shorten the service life of welding gun, to influence to work continuously.
Utility model content
The purpose of this utility model is to provide a kind of argon-arc welding guns, have and exempt from welding gun to a certain extent due to temperature is excessively high
The advantages of scaling loss deformation.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of argon-arc welding gun, packet
It is arranged with coolant jacket outside the tungsten needle folder for including torch body, being connected to torch body one end, the torch body and tungsten needle folder, it is described
Coolant jacket internal helicoid is distributed with into water helicla flute and water outlet helicla flute, and the water inlet helicla flute divides side by side with water outlet helicla flute
Cloth, the water inlet helicla flute are communicated with water inlet pipe, and the water outlet helicla flute is communicated with outlet pipe, and coolant jacket is located at tungsten needle folder end and sets
It is equipped with heat-absorbing chamber, the water inlet helicla flute is connected to heat-absorbing chamber with water outlet helicla flute.
Through the above technical solutions, in use, water will be along water inlet at this time by water inlet pipe water flowing into water inlet helicla flute
Helicla flute enters in heat-absorbing chamber, after having absorbed heat into the water in heat-absorbing chamber will from water outlet helicla flute in flow out, finally via
Outlet pipe discharge due to water inlet helicla flute and is discharged the equal Spiral distribution of helicla flute in coolant jacket in the process, cooling
Water can comprehensively cool down to coolant jacket, simultaneously because welding gun temperature highest point is the position of tungsten needle folder, and volume is biggish
Heat-absorbing chamber is located exactly at tungsten needle folder end, therefore tungsten needle can be avoided to press from both sides to a certain extent to efficiently being cooled down at tungsten needle folder
When the temperature is excessively high, so that there is a situation where scaling loss deformations to occur for welding gun, improve the service life of welding gun in end.
Preferably, the water inlet helicla flute and water outlet helicla flute all extend to coolant jacket and press from both sides end, the water inlet far from tungsten needle
Pipe is arranged at coolant jacket with outlet pipe and presss from both sides end far from tungsten needle.
Through the above technical solutions, in order to which the control of the temperature of entire welding gun in reasonable range, by water inlet pipe and is gone out
Water pipe setting presss from both sides end far from tungsten needle in coolant jacket, and the water for flowing into coolant jacket and outflow coolant jacket at this time is flowed from one end of coolant jacket
To the other end, the water cooling so that entire coolant jacket can all be cooled, coolant jacket radiating efficiency is high, and the heat at tungsten needle folder passes at this time
Since the radiating efficiency of coolant jacket is high after being handed on coolant jacket, the heat at tungsten needle folder can be made to distribute in time.
Preferably, the cross-sectional area of the water inlet helicla flute is greater than the cross-sectional area of water outlet helicla flute.
Through the above technical solutions, in order to enable the good heat dissipation effect of coolant jacket, need to guarantee to intake helicla flute and water outlet
Always cooling water is full of in helicla flute and heat-absorbing chamber, therefore the setting of the size for helicla flute of intaking is larger, so that inflow is big
, at this time will be so that water inlet helicla flute and water outlet helicla flute and heat-absorbing chamber be filled in water yield, guarantee heat dissipation effect.
Preferably, several radiating fins are provided on the heat-absorbing chamber side wall of tungsten needle folder side.
Through the above technical solutions, due to the temperature highest at tungsten needle folder, in order to guarantee the heat dissipation at tungsten needle folder,
Radiating fin is provided in heat-absorbing chamber, radiating fin can increase the contact area of coolant jacket and water at tungsten needle folder, and improving should
The radiating efficiency of the coolant jacket at place so that the heat on the tungsten needle folder absorbed at this sheds in time, and then controls tungsten needle folder
Temperature so that temperature is lower at tungsten needle folder.
Preferably, along vertical welding torch body shaft to the depth of the heat-absorbing chamber is greater than water inlet helicla flute or water outlet spiral
The depth of slot.
Through the above technical solutions, heat-absorbing chamber to be pressed from both sides to the side of side towards tungsten needle in order to increase the heat transference efficiency of heat-absorbing chamber
Wall setting it is relatively thin, coolant jacket relatively thin at this time can quickly transmit tungsten needle folder on heat, while but also heat-absorbing chamber volume
Increase, so that increasing into the water in heat-absorbing chamber, improves heat absorption capacity.
Preferably, the coolant jacket includes cooling inner sleeve and cooling jacket, and the cooling jacket is socketed in cooling and puts on,
And the water inlet helicla flute is respectively positioned in cooling with water outlet helicla flute and heat-absorbing chamber and puts on, the water inlet helicla flute and water outlet spiral shell
Spin slot and heat-absorbing chamber are open setting towards cooling jacket side.
Through the above technical solutions, being processed in coolant jacket for convenience into water helicla flute and water outlet helicla flute and suction
Coolant jacket is divided into cooling inner sleeve and cooling jacket by hot chamber, and water inlet helicla flute and water outlet helicla flute and heat-absorbing chamber are respectively provided with
On the outer wall of cooling inner sleeve, can easily be processed outside cooling inner sleeve at this time into water helicla flute and water outlet helicla flute and
Heat-absorbing chamber.
Preferably, the torch body is internally provided with air cavity, and the air cavity is arranged along the length direction of torch body,
The tungsten needle is pressed from both sides one end and is located in air cavity, and the torch body is provided with the air inlet pipe being connected to air cavity away from tungsten needle folder end.
Through the above technical solutions, for convenience spraying protective gas from tungsten needle folder end, it is arranged inside torch body
There is an air cavity, protective gas enters in air cavity from air inlet pipe when use, then sprays from tungsten needle folder end, and then the protection weldering in welding
Contact avoids weld from being oxidized.
Preferably, dashpot is provided between the torch body and coolant jacket, the dashpot is set around torch body
It sets, the air inlet pipe is connected to dashpot and dashpot is connected to air cavity.
Through the above technical solutions, since the gas atmosphere entered from air inlet pipe is larger, thus can make from tungsten needle folder
The pressure of the gas of discharge is larger, so that protective gas is quickly discharged from tungsten needle folder end, the protective gas of these discharges is due to speed
Degree is fast, thus the Quick diffusing around after encountering welding article, the waste of protective gas is caused, therefore, in order to effectively avoid
The generation of such case, is provided with dashpot on torch body, and the gas entered from air inlet pipe is introduced into dashpot, then
Full of dashpot, slot buffering is would be buffered in these gases in the process, and then enters back into air cavity, is entered in air cavity at this time
Gas flow rate etc. is all lower, so that the protective gas speed being discharged from tungsten needle folder is relatively slow and discharge is uniform, thus protective gas
The consumption of protective gas is reduced while can protect pad.
Preferably, at least two connecting holes are provided between the dashpot and air cavity, the connecting hole is evenly arranged on welding torch
On ontology.
Through the above technical solutions, in order to enable gas in dashpot even into air cavity, in dashpot and air cavity
Between be communicated with multiple connecting holes, since connecting hole is uniformly distributed, gas in dashpot can even into air cavity,
The protective gas velocity of discharge is slow at work and discharge is uniform, and the protecting effect of butt welding contact is more preferable.
Preferably, the dashpot is located on torch body and the dashpot is arranged towards coolant jacket side opening, described
Torch body is provided with seal groove between coolant jacket and torch body, sealing ring is provided in the seal groove, it is described close
Sealing groove is located at dashpot and presss from both sides side away from tungsten needle.
Through the above technical solutions, dashpot, is arranged in the outer wall of torch body, simultaneously by dashpot in order to facilitate processing
Since protective gas is between dashpot and coolant jacket, protective gas is easy to let out between dashpot and coolant jacket
Leakage, therefore is provided with sealing ring between torch body and coolant jacket, avoided to a certain extent by sealing ring protective gas from
Far from the end leakage of tungsten needle folder.
In conclusion the utility model having the beneficial effect that in contrast to the prior art
(1) good heat dissipation effect of the welding gun presss from both sides end when the temperature is excessively high in tungsten needle, can avoid welding gun to a certain extent
The case where scaling loss deforms improves the service life of welding gun；
(2) the protective gas speed being discharged from tungsten needle folder is relatively slow and discharge is uniform, so that protective gas can protect weldering
The consumption of protective gas is reduced while contact.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the section view in Fig. 1 at A-A, main prominent dashpot and connecting hole；
Fig. 3 is the structural schematic diagram of cooling inner sleeve, main prominent water inlet helicla flute and the structure for being discharged helicla flute.
Appended drawing reference: 1, torch body；2, tungsten needle is pressed from both sides；3, coolant jacket；311, cooling inner sleeve；312, cooling jacket；4, into
Water helicla flute；5, it is discharged helicla flute；6, water inlet pipe；7, outlet pipe；8, heat-absorbing chamber；9, radiating fin；10, air cavity；11, air inlet
Pipe；12, dashpot；13, connecting hole；14, seal groove；15, sealing ring.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, 2, a kind of argon-arc welding gun, including torch body 1, be connected to 1 one end of torch body tungsten needle folder 2,
Coolant jacket 3 is arranged with outside torch body 1 and tungsten needle folder 2, wherein 3 internal helicoid of coolant jacket is distributed with into water helicla flute 4 and water outlet
Helicla flute 5 is provided with water inlet pipe 6 and outlet pipe 7 on coolant jacket 3, and water inlet helicla flute 4 is connected to water inlet pipe 6, is discharged helicla flute
5 are connected to outlet pipe 7, are located at 2 ends of tungsten needle folder in coolant jacket 3 and are provided with the suction being connected to water inlet helicla flute 4 and water outlet helicla flute 5
Hot chamber 8.
As shown in Figure 1,3, coolant jacket 3 includes cooling inner sleeve 311 and cooling jacket 312, and cooling jacket 312 is socketed in cooling
In inner sleeve 311, water inlet helicla flute 4 and water outlet helicla flute 5 and heat-absorbing chamber 8 are respectively positioned in cooling inner sleeve 311, and helicla flute of intaking
4 are open setting with water outlet helicla flute 5 and heat-absorbing chamber 8 towards 312 side of cooling jacket, and when manufacturing coolant jacket 3, elder generation is in cooling
It is opened up outside set 311 into water helicla flute 4 and water outlet helicla flute 5 and heat-absorbing chamber 8, then cooling jacket 312 is set in cooling
Outside set 311, cooling jacket 312 and cooling inner sleeve 311 are welded together later.
Wherein, water inlet helicla flute 4 is distributed side by side with water outlet helicla flute 5, and water inlet helicla flute 4 extends with water outlet helicla flute 5
2 ends are pressed from both sides far from tungsten needle to coolant jacket 3, water inlet pipe 6 and outlet pipe 7 are arranged at coolant jacket 3 and press from both sides 2 ends far from tungsten needle, in order to enable
Water inlet helicla flute 4 and water outlet helicla flute 5 and heat-absorbing chamber 8 are full of water, so that the cross-sectional area of water inlet helicla flute 4 is greater than water outlet spiral shell
The cross-sectional area of spin slot 5.
Heat-absorbing chamber 8 is annular chamber, and heat-absorbing chamber 8 is looped around in cooling inner sleeve 311, and axial along vertical torch body 1, is inhaled
The depth of hot chamber 8 is greater than water inlet helicla flute 4 or is discharged the depth of helicla flute 5, and heat-absorbing chamber 8 is located at tungsten needle and presss from both sides 2 ends, and heat-absorbing chamber 8 is empty
Between it is big, thus water-holding quantity is big, therefore heat-absorbing chamber 8 can press from both sides tungsten needle at 2 and preferably be cooled down.
As shown in Figure 3, wherein be provided with several radiating fins 9, on the side wall of heat-absorbing chamber 8 in order to guarantee that heat-absorbing chamber 8 is right
Heat quickly absorbs at tungsten needle folder 2, and heat-absorbing chamber 8 is arranged on the side wall that tungsten needle presss from both sides 2 sides in radiating fin 9.
As shown in Figure 1, 2, wherein dashpot 12, and 12 ring of dashpot are provided between torch body 1 and coolant jacket 3
Be arranged around torch body 1, while being internally provided with air cavity 10 in torch body 1, air cavity 10 along torch body 1 length direction
Setting, tungsten needle are pressed from both sides 2 one end and are located in air cavity 10, at least two connecting holes 13 are provided between dashpot 12 and air cavity 10, even
It connects hole 13 to be evenly arranged on torch body 1, torch body 1 presss from both sides 2 ends away from tungsten needle and is provided with air inlet pipe 11, air inlet pipe 11 and dashpot
12 connection and dashpot 12 be connected to air cavity 10.
Wherein, dashpot 12 in order to facilitate processing, so that dashpot 12 is located on torch body 1 and dashpot 12 is towards cold
But the setting of 3 side openings is covered, in order to avoid protective gas leaks between dashpot 12 and coolant jacket 3, in coolant jacket 3 and weldering
Seal groove 14 is provided between torch ontology 1, and seal groove 14 is located at dashpot 12 and presss from both sides 2 sides away from tungsten needle, seal groove 14 is around weldering
Torch ontology 1 is arranged, and sealing ring 15 is provided in seal groove 14, since protective gas needs to press from both sides 2 end pass-outs from tungsten needle,
Be not required to dashpot 12 close to tungsten needle press from both sides 2 side seals, while seal groove 14 apart from tungsten needle press from both sides 2 sides farther out, therefore torch body 1 with
Contact area is big between coolant jacket 3, so that the side is also not susceptible to leak.
In use, cold water enters from water inlet pipe 6, then flow into water inlet helicla flute 4, water flows in water inlet helicla flute 4
When can cool down to coolant jacket 3, later these water will enter heat-absorbing chamber 8 in, later on 8 side wall of heat-absorbing chamber by tungsten needle folder 2 pass
The heat passed will be absorbed by the water in heat-absorbing chamber 8, and the water after absorbing heat will be flowed out from water outlet helicla flute 5, Jin Ercong
It is discharged in outlet pipe 7, completes the cooling of Butt welding gun.
In welding, protective gas enters in dashpot 12 from air inlet pipe 11, after protective gas buffers in dashpot 12
Enter in air cavity 10 by connecting hole 13, protective gas in air cavity 10 will press from both sides 2 ends from tungsten needle and be discharged, these protective gas will be
Protective gas is formed at pad, and pad is avoided to be oxidized.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention
It encloses, the protection scope of the utility model is determined by the attached claims.
Claims (10)
1. a kind of argon-arc welding gun, it is characterised in that: including torch body (1), be connected to torch body (1) one end tungsten needle folder
(2), the torch body (1) and tungsten needle folder (2) outside is arranged with coolant jacket (3), coolant jacket (3) internal helicoid be distributed with into
Water helicla flute (4) and water outlet helicla flute (5), the water inlet helicla flute (4) are distributed side by side with water outlet helicla flute (5), the water inlet
Helicla flute (4) is communicated with water inlet pipe (6), and the water outlet helicla flute (5) is communicated with outlet pipe (7), and coolant jacket (3) is located at tungsten needle folder
(2) end is provided with heat-absorbing chamber (8), and the water inlet helicla flute (4) is connected to heat-absorbing chamber (8) with water outlet helicla flute (5).
2. a kind of argon-arc welding gun according to claim 1, it is characterised in that: the water inlet helicla flute (4) and water outlet spiral
Slot (5) all extends to coolant jacket (3) far from tungsten needle folder (2) end, and the water inlet pipe (6) and outlet pipe (7) are arranged at coolant jacket
(3) far from tungsten needle folder (2) end.
3. a kind of argon-arc welding gun according to claim 1, it is characterised in that: the cross-sectional area of water inlet helicla flute (4)
Greater than the cross-sectional area of water outlet helicla flute (5).
4. a kind of argon-arc welding gun according to claim 1, it is characterised in that: close to heat-absorbing chamber (8) side of tungsten needle folder (2) side
Several radiating fins (9) are provided on wall.
5. a kind of argon-arc welding gun according to claim 1, it is characterised in that: it is axial along vertical torch body (1), it is described
The depth of heat-absorbing chamber (8) is greater than water inlet helicla flute (4) or is discharged the depth of helicla flute (5).
6. a kind of argon-arc welding gun according to claim 1, it is characterised in that: the coolant jacket (3) includes cooling inner sleeve
(311) with cooling jacket (312), the cooling jacket (312) is socketed on cooling inner sleeve (311), and the water inlet helicla flute
(4) it is respectively positioned on cooling inner sleeve (311) with water outlet helicla flute (5) and heat-absorbing chamber (8), the water inlet helicla flute (4) and water outlet
Helicla flute (5) and heat-absorbing chamber (8) are open setting towards cooling jacket (312) side.
7. a kind of argon-arc welding gun according to claim 1, it is characterised in that: the torch body (1) is internally provided with gas
Chamber (10), the air cavity (10) are arranged along the length direction of torch body (1), and the tungsten needle folder (2) one end is located at air cavity
(10) in, the torch body (1) is provided with the air inlet pipe (11) being connected to air cavity (10) away from tungsten needle folder (2) end.
8. a kind of argon-arc welding gun according to claim 7, it is characterised in that: the torch body (1) and coolant jacket (3) it
Between be provided with dashpot (12), the dashpot (12) is arranged around torch body (1), the air inlet pipe (11) and dashpot
(12) it is connected to and dashpot (12) is connected to air cavity (10).
9. a kind of argon-arc welding gun according to claim 8, it is characterised in that: between the dashpot (12) and air cavity (10)
It is provided at least two connecting holes (13), the connecting hole (13) is evenly arranged on torch body (1).
10. a kind of argon-arc welding gun according to claim 9, it is characterised in that: the dashpot (12) is located at torch body
(1) on and the dashpot (12) is arranged towards coolant jacket (3) side opening, ring between the coolant jacket (3) and torch body (1)
It is provided with seal groove (14) around torch body (1), is provided with sealing ring (15) in the seal groove (14), the seal groove (14)
(2) side is pressed from both sides away from tungsten needle positioned at dashpot (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821363351.9U CN208644353U (en) | 2018-08-22 | 2018-08-22 | A kind of argon-arc welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821363351.9U CN208644353U (en) | 2018-08-22 | 2018-08-22 | A kind of argon-arc welding gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208644353U true CN208644353U (en) | 2019-03-26 |
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ID=65791181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821363351.9U Active CN208644353U (en) | 2018-08-22 | 2018-08-22 | A kind of argon-arc welding gun |
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| Country | Link |
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| CN (1) | CN208644353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113993264A (en) * | 2021-11-05 | 2022-01-28 | 北京环境特性研究所 | Plasma torch and cooling method thereof |
-
2018
- 2018-08-22 CN CN201821363351.9U patent/CN208644353U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113993264A (en) * | 2021-11-05 | 2022-01-28 | 北京环境特性研究所 | Plasma torch and cooling method thereof |
| CN113993264B (en) * | 2021-11-05 | 2023-11-14 | 北京环境特性研究所 | Plasma torch and cooling method thereof |
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