CN206200324U - A kind of high powered plasma welding gun - Google Patents
A kind of high powered plasma welding gun Download PDFInfo
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- CN206200324U CN206200324U CN201621317176.0U CN201621317176U CN206200324U CN 206200324 U CN206200324 U CN 206200324U CN 201621317176 U CN201621317176 U CN 201621317176U CN 206200324 U CN206200324 U CN 206200324U
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- aquaporin
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- rifle core
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- rifle
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Abstract
A kind of high powered plasma welding gun, mainly include rifle core, gun body, insulation sleeve, electrode holder, electrode, upper insulator, lower insulator, nozzle, protection gas hood, pressure cap, locking nut and bolt, rifle core is arranged in upper insulator, gun body is arranged in lower insulator, insulation sleeve is set between rifle core and gun body, upper insulator is bolted with lower insulator, protection gas hood is installed in gun body, gun body lower end is provided with nozzle, cooling-water duct is provided with nozzle, electrode is arranged on rifle in-core by electrode holder, and the pressure cap and locking nut by electrode holder upper end are fixed, cooling-water duct is equipped with rifle core and gun body.The utility model can preferably solve the problems, such as the cooling of electrode, nozzle and protection gas hood, improve arc stiffness and energy density, and welding gun structure is simple, convenient disassembly, long service life.
Description
Technical field
The utility model is related to a kind of plasma gun, more particularly, to a kind of high powered plasma welding gun.
Background technology
Plasma arc has energy density very high, temperature and arc force.Compared with general electric arc, penetrated with stronger
Power, can carry out piercing welding, realize the single face welding and double face shaping of stabilization.Simultaneously as electrode contracting is inside water-cooled nozzle, with
Workpiece is not contacted, and the defects such as weld seam tungsten inclusion are not easily caused, has application value higher in engineering.
, it is necessary to the plasma-arc of high-energy-density and deflection during PLASMA ARC WELDING cut deal.In the prior art, one
As be to strengthen the compression effectiveness of article on plasma arc by improving welding gun structure, or using increase of weld current by the way of, raising etc.
The energy density and deflection of ion arc.Authorization Notice No. is the Chinese invention patent of CN104289802B《A kind of secondary compression type
Plasma gun》A kind of welding gun is disclosed, it carries out two-stage compression using the formal equivalence ion arc for increasing two-stage compression nozzle,
Improve arc energy density and deflection.Authorization Notice No. is the Chinese utility model patent of CN204075482U《Modified is secondary
Compression plasma gun》A kind of welding gun is disclosed, it is by the way of two-stage compression nozzle and two-stage compression gas is increased pair
Plasma arc carries out second-compressed, improves arc energy density and deflection.But two kinds of welding gun structure complexity, parts are more, dismounting
Trouble.
And high-current plasma arc welding is when connecing, the easy scaling loss of the welding gun key components and parts such as electrode, nozzle, therefore article on plasma
The cooling effect of welding gun proposes requirement higher.Authorization Notice No. is disclosed for the Chinese utility model patent of CN2807699Y
A kind of high current plasma gun, the welding gun accelerates cooling of electrode by the way of by electrode afterbody directly contact coolant.Award
Power notification number discloses a kind of medium current plasma welding torch for the Chinese utility model patent of CN201493607U, in the welding gun
It is provided with earthenware cooling water channel, coolant intake pipe road and circulating water flow and goes out pipeline, wherein coolant intake pipe road and recirculated water
The caliber bore of pipeline is flowed out more than the water channel bore formed between earthenware cooling water channel and conductive tube, and plasma is improved with this
The cooling effect of welding gun.A kind of Authorization Notice No. improved big electricity for the Chinese utility model patent of CN201493606U is disclosed
Stream plasma gun, the welding gun sets not incrusted adamantine layer on earthenware cooling water channel inwall, keeps cooling water channel smooth
It is logical, further improve the cooling effect of plasma gun.Authorization Notice No. is special for the Chinese utility model of CN202715950U
Profit discloses a kind of high powered plasma welding gun, and the welding gun includes upper cutting gun and lower gun body, and it is logical that upper and lower gun body is respectively equipped with cooling
Road, cools down to electrode holder and nozzle, solves electrode and nozzle heat dissipation problem.Although these welding gun structures are improved,
But it is typically all that electrode afterbody is cooled down, cooling of electrode state can not reach ideal effect.
The content of the invention
The utility model overcomes shortcoming present in prior art, there is provided a kind of high powered plasma welding gun, the plasma
Welding gun can preferably solve the problems, such as electrode, nozzle, the cooling of protection gas hood, improve arc stiffness and energy density, welding gun structure
Simply, convenient disassembly, long service life.
To reach above-mentioned purpose, the utility model uses following technical scheme：
A kind of high powered plasma welding gun, mainly include rifle core 6, gun body 5, insulation sleeve 10, electrode holder 7, electrode 8, it is upper absolutely
Edge body 3, lower insulator 4, nozzle 11, protection gas hood 9, pressure cap 1, locking nut 2 and bolt 18, it is characterised in that rifle core 6 is installed
In upper insulator 3, gun body 5 be arranged on lower insulator 4 in, between rifle core 6 and gun body 5 set insulation sleeve 10, upper insulator 3 with
Lower insulator 4 is connected by bolt 18, and protection gas hood 9 is provided with gun body 5, and the lower end of gun body 5 is provided with nozzle 11, in nozzle 11
Cooling-water duct is provided with, electrode 8 is arranged in rifle core 6 by electrode holder 7, and the pressure cap 1 and locking screw for passing through the upper end of electrode holder 7
Female 2 fix；Rifle core 6 is provided with ion-gas inlet union 13, water-cooled electric cable joint 12 and rifle core aquaporin joint 15, in rifle core 6
It is provided with rifle core cooling-water duct；Gun body 5 is provided with protection gas inlet union 17, pilot arc conducting terminal 26, gun body aquaporin and connects
First 16 and gun body aquaporin joint 2 14, is provided with gun body cooling-water duct in gun body 5.
The rifle core cooling-water duct includes rifle core aquaporin one 23, rifle core annular aquaporin 24, rifle core aquaporin 2 22,
Rifle core aquaporin 1 is connected with water-cooled electric cable joint 12, and rifle core aquaporin 2 22 is connected with rifle core aquaporin joint 15, rifle core
Aquaporin 1 is connected with rifle core aquaporin 2 22 by rifle core annular aquaporin 24, and rifle core annular aquaporin 24 is arranged on rifle core
6 lower ends.
The gun body cooling-water duct include gun body aquaporin 1 and gun body aquaporin 2 20, gun body aquaporin 1 with
Gun body aquaporin joint 1 is connected, and gun body aquaporin 2 20 is connected with gun body aquaporin joint 2 14；Stretch into spray in the lower end of gun body 5
In mouth 11, nozzle cooling water passage 21 and nozzle annular aquaporin 25, gun body aquaporin 1 and gun body are formed in nozzle 11
Aquaporin 2 20 is connected by nozzle cooling water passage 21 with nozzle annular aquaporin 25.
The lower end of the electrode holder 7 is coordinated with the endoporus lower end of rifle core 6 with circular conical surface, and length of fit L1 is 1~10mm.
The lower surface of rifle core 6 is 5~50mm apart from L2 with the lower surface of nozzle 11.
The protection gas hood 9 is coordinated with gun body 5 with circular conical surface, and length of fit L3 is 2~15mm.
The material selection red copper of the protection gas hood 9.
Compared with prior art, the utility model beneficial effect is：
1st, electrode uses special clamp structure, makes electrode holder with rifle core contact portion close to eletrode tip.Under electrode holder
End is coordinated with rifle in-core hole lower end with circular conical surface, because rifle in-core is provided with cooling water system, is cooled down electrode holder lower end, from
And ensure that eletrode tip is winding is effectively cooled, reduce electrode erosion；Electric arc is compressed simultaneously, arc stiffness is improved and energy is close
Degree.
2nd, due to there is cooling-water duct in nozzle and gun body, and protection gas hood upper end is coordinated with gun body using circular conical surface,
So that nozzle, protection gas hood can be cooled down preferably, the service life of nozzle, protection gas hood in the case of high current is improved,
Ensure welding quality.
3rd, welding gun structure is simple, convenient disassembly.
Brief description of the drawings
Fig. 1 is that Fig. 1 is the utility model welding gun structure schematic diagram；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is structure sectional views of the Fig. 1 along A-A directions；
Fig. 4 is structure sectional views of the Fig. 2 along B-B directions.
Marked in figure as follows：
1 is pressure cap, and 2 is locking nut, and 3 is upper insulator, and 4 is lower insulator, and 5 is gun body, and 6 is rifle core, and 7 is electrode
Folder, 8 is electrode, and 9 is protection gas hood, and 10 is insulation sleeve, and 11 is nozzle, and 12 is water-cooled electric cable joint, and 13 connect for ion-gas import
Head, 14 is gun body aquaporin joint two, and 15 is rifle core aquaporin joint, and 16 is gun body aquaporin joint one, and 17 enter for protection gas
Mouth joint, 18 is bolt, and 19 is gun body aquaporin one, and 20 is gun body aquaporin two, and 21 is nozzle cooling water passage, and 22 is rifle core
Aquaporin two, 23 is rifle core aquaporin one, and 24 is rifle core annular aquaporin, and 25 is nozzle annular aquaporin, and 26 lead for pilot arc
Electric terminal, L1 is the length of fit between electrode holder 7 and rifle core 6, and L2 is distance of the lower surface of rifle core 6 to the lower surface of nozzle 11,
L3 is to protect the length of fit between gas hood 9 and gun body 5.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings：
As shown in Figure 1, Figure 2, Figure 3, Figure 4, high powered plasma welding gun described in the utility model, mainly include rifle core 6,
Gun body 5, insulation sleeve 10, electrode holder 7, electrode 8, upper insulator 3, lower insulator 4, nozzle 11, protection gas hood 9, pressure cap 1, locking
Nut 2 and bolt 18, rifle core 6 are arranged in upper insulator 3, and gun body 5 is arranged in lower insulator 4, between rifle core 6 and gun body 5
Insulation sleeve 10 is set, and upper insulator 3 is connected with lower insulator 4 by bolt 18, protection gas hood 9, gun body 5 are installed in gun body 5
Lower end is provided with and cooling-water duct is provided with nozzle 11, nozzle 11, and electrode 8 is arranged in rifle core 6 by electrode holder 7, and is passed through
The pressure cap 1 and locking nut 2 of the upper end of electrode holder 7 are fixed；Rifle core 6 is provided with ion-gas inlet union 13, water-cooled electric cable joint 12
With rifle core aquaporin joint 15, rifle core cooling-water duct is provided with rifle core 6；Gun body 5 is provided with protection gas inlet union 17, guiding
Gun body cooling water is provided with arc conducting terminal 26, gun body aquaporin joint 1 and gun body aquaporin joint 2 14, gun body 5 to lead to
Road.
Rifle core cooling-water duct includes rifle core aquaporin one 23, rifle core annular aquaporin 24, rifle core aquaporin 2 22, rifle core
Aquaporin 1 is connected with water-cooled electric cable joint 12, and rifle core aquaporin 2 22 is connected with rifle core aquaporin joint 15, and rifle core water leads to
Road 1 is connected with rifle core aquaporin 2 22 by rifle core annular aquaporin 24, and rifle core annular aquaporin 24 is arranged under rifle core 6
End.
Gun body aquaporin 1 and gun body aquaporin 2 20, gun body aquaporin 1 connect with gun body aquaporin joint 1
Logical, gun body aquaporin 2 20 is connected with gun body aquaporin joint 2 14；The lower end of gun body 5 is stretched into nozzle 11, the shape in nozzle 11
Into nozzle cooling water passage 21 and nozzle annular aquaporin 25, gun body aquaporin 1 and gun body aquaporin 2 20 are cold by nozzle
But aquaporin 21 is connected with nozzle annular aquaporin 25.
The lower end of electrode holder 7 is coordinated with the endoporus lower end of rifle core 6 with circular conical surface, and length of fit L1 is 1~10mm, it is ensured that electrode
Press from both sides 7 lower ends to be cooled down, and ensure enough conductive contact areas.
The lower surface of rifle core 6 is 5~50mm apart from L2 with the lower surface of nozzle 11, it is ensured that the position of 7 holding electrode of electrode holder 8 is most
Close to the tip of electrode 8 in big degree, the temperature of electrode 8 is reduced, reduce electrode 8 and generate heat.
Protection gas hood 9 is coordinated with gun body 5 with circular conical surface, and length of fit L3 is 2~15mm, it is ensured that protection gas hood 9 exists
It is winding is effectively cooled in welding process.
Protect the material selection red copper of gas hood 9, it is ensured that the protection heat conduction of gas hood 9 is good.
The preferred embodiment of the utility model water-cooled path is as follows：
Water-cooled path implementation method one
The respective independent loops of the cooling water system of rifle core 6 and the cooling water system of gun body 5.The cooling water system of rifle core 6 is cooling
Water is imported into rifle core aquaporin 1 by water-cooled electric cable joint 12, and flows into rifle core aquaporin two from rifle core annular aquaporin 24
In 22, finally flowed out from rifle core aquaporin joint 15, with this cooling gun core 6, electrode holder 7, and cooled down electrode 8.Gun body 5
Cooling water system entered into gun body aquaporin 1 by gun body aquaporin joint 1 for cooling water, flow through nozzle cooling water
Entered into gun body aquaporin 2 20 after passage 21 and nozzle annular aquaporin 25, finally flowed from gun body aquaporin joint 2 14
Go out, be winding is effectively cooled gun body 5, nozzle 11, protection gas hood 9.
Water-cooled path implementation method two
Connecting water pipe between rifle core aquaporin joint 15 and gun body aquaporin joint 1, makes the water-cooled path embodiment party
The cooling water system of rifle core 6 is connected with the cooling water system of gun body 5 in formula one.Even if in the water-cooled path implementation method one from
The cooling water of the outflow of rifle core aquaporin joint 15, directly passes through between rifle core aquaporin joint 15 and gun body aquaporin joint 1
Water pipe enter gun body aquaporin 1 in, and flow through nozzle cooling water passage 21 and nozzle annular aquaporin 25 after enter gun body
Aquaporin 2 20, finally flows out from gun body aquaporin joint 2 14.Thus, complete to rifle core 6, electrode holder 7, electrode 8, gun body 5,
The cooling of nozzle 11, protection gas hood 9.
The utility model gas passage implementation method is as follows：
During ion-gas are by the cavity between the entrance rifle of ion-gas inlet union 13 core 6 and electrode holder 7, then from nozzle 11
Lower end sprays.During protection gas is through the cavity in the entrance gun body 5 of overprotection gas inlet union 17, then from protection gas hood 9 lower end stream
Go out.
The utility model conductive path implementation method is as follows：
Matched somebody with somebody with circular conical surface with the endoporus lower end of rifle core 6 and merge clamping electrode 8, water-cooled electric cable joint 12, rifle core in the lower end of electrode holder 7
6th, electrode holder 7, electrode 8 form pilot arc conductive path one and main arc conductive path.Pilot arc conducting terminal 26, gun body 5, spray
Mouth 11 forms pilot arc conductive path two.Water-cooled electric cable joint 12 is extremely connected with the one of pilot arc generator, pilot arc conducting end
Son 26 is extremely connected with the another of pilot arc generator, and pilot arc is formed between electrode 8 and nozzle 11.
Water-cooled electric cable joint 12 is connected with a pole of the source of welding current, and workpiece to be welded is connected with another pole of the source of welding current.
Welding current reaches rifle core 6, electrode holder 7, electrode 8 successively by water-cooled electric cable joint 12, between electrode 8 and workpiece to be welded
Minor arc is formed, welding starts.
Claims (7)
1. a kind of high powered plasma welding gun, mainly includes rifle core (6), gun body (5), insulation sleeve (10), electrode holder (7), electrode
(8), upper insulator (3), lower insulator (4), nozzle (11), protection gas hood (9), pressure cap (1), locking nut (2) and bolt
(18), it is characterised in that in upper insulator (3), gun body (5) is interior installed in lower insulator (4), rifle core (6) for rifle core (6)
Insulation sleeve (10) is set between gun body (5), and upper insulator (3) is connected with lower insulator (4) by bolt (18), gun body (5)
On protection gas hood (9) is installed, gun body (5) lower end is provided with nozzle (11), and cooling-water duct, electrode are provided with nozzle (11)
(8) it is by electrode holder (7) in rifle core (6) and solid by the pressure cap (1) and locking nut (2) of electrode holder (7) upper end
It is fixed；Rifle core (6) is provided with ion-gas inlet union (13), water-cooled electric cable joint (12) and rifle core aquaporin joint (15), rifle core
(6) rifle core cooling-water duct is provided with；Gun body (5) is provided with protection gas inlet union (17), pilot arc conducting terminal (26), rifle
Gun body cooling-water duct is provided with body aquaporin joint one (16) and gun body aquaporin joint two (14), gun body (5).
2. a kind of high powered plasma welding gun according to claim 1, it is characterised in that the rifle core cooling-water duct bag
Include rifle core aquaporin one (23), rifle core annular aquaporin (24), rifle core aquaporin two (22), rifle core aquaporin one (23) and water-cooled
Cable connector (12) is connected, and rifle core aquaporin two (22) connects with rifle core aquaporin joint (15), rifle core aquaporin one (23) and
Rifle core aquaporin two (22) is connected by rifle core annular aquaporin (24), and rifle core annular aquaporin (24) is arranged under rifle core (6)
End.
3. a kind of high powered plasma welding gun according to claim 1, it is characterised in that the gun body cooling-water duct bag
Gun body aquaporin one (19) and gun body aquaporin two (20) are included, gun body aquaporin one (19) is with gun body aquaporin joint one (16) even
Logical, gun body aquaporin two (20) is connected with gun body aquaporin joint two (14)；Gun body (5) lower end is stretched into nozzle (11), in spray
Nozzle cooling water passage (21) and nozzle annular aquaporin (25) are formed in mouth (11), gun body aquaporin one (19) and gun body water are logical
Road two (20) is connected by nozzle cooling water passage (21) with nozzle annular aquaporin (25).
4. a kind of high powered plasma welding gun according to claim 1, it is characterised in that electrode holder (7) lower end and rifle
Core (6) endoporus lower end is coordinated with circular conical surface, and length of fit L1 is 1~10mm.
5. a kind of high powered plasma welding gun according to claim 1, it is characterised in that rifle core (6) lower surface and spray
Mouth (11) lower surface apart from L2 be 5~50mm.
6. a kind of high powered plasma welding gun according to claim 1, it is characterised in that the protection gas hood (9) and gun body
(5) coordinated with circular conical surface, length of fit L3 is 2~15mm.
7. a kind of high powered plasma welding gun according to claim 1, it is characterised in that the material of the protection gas hood (9)
From red copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621317176.0U CN206200324U (en) | 2016-12-02 | 2016-12-02 | A kind of high powered plasma welding gun |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621317176.0U CN206200324U (en) | 2016-12-02 | 2016-12-02 | A kind of high powered plasma welding gun |
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| CN206200324U true CN206200324U (en) | 2017-05-31 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108145294A (en) * | 2016-12-02 | 2018-06-12 | 唐山开元焊接自动化技术研究所有限公司 | A kind of high powered plasma welding gun |
| CN108772619A (en) * | 2018-05-11 | 2018-11-09 | 江苏大学 | A kind of air-flow recompressing plasma arc welding gun |
| CN109691239A (en) * | 2017-09-12 | 2019-04-26 | 黄元奎 | Plasma torch |
| CN109967844A (en) * | 2017-12-28 | 2019-07-05 | 唐山开元焊接自动化技术研究所有限公司 | A kind of bipolar electrode argon arc welding gun |
-
2016
- 2016-12-02 CN CN201621317176.0U patent/CN206200324U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108145294A (en) * | 2016-12-02 | 2018-06-12 | 唐山开元焊接自动化技术研究所有限公司 | A kind of high powered plasma welding gun |
| CN108145294B (en) * | 2016-12-02 | 2023-12-08 | 唐山开元焊接自动化技术研究所有限公司 | High-power plasma welding gun |
| CN109691239A (en) * | 2017-09-12 | 2019-04-26 | 黄元奎 | Plasma torch |
| CN109967844A (en) * | 2017-12-28 | 2019-07-05 | 唐山开元焊接自动化技术研究所有限公司 | A kind of bipolar electrode argon arc welding gun |
| CN109967844B (en) * | 2017-12-28 | 2024-05-10 | 唐山开元焊接自动化技术研究所有限公司 | Double-electrode argon arc welding gun |
| CN108772619A (en) * | 2018-05-11 | 2018-11-09 | 江苏大学 | A kind of air-flow recompressing plasma arc welding gun |
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