CN205852087U - Plasma TIG electric arc coupling composite welding apparatus - Google Patents
Plasma TIG electric arc coupling composite welding apparatus Download PDFInfo
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- CN205852087U CN205852087U CN201620584323.4U CN201620584323U CN205852087U CN 205852087 U CN205852087 U CN 205852087U CN 201620584323 U CN201620584323 U CN 201620584323U CN 205852087 U CN205852087 U CN 205852087U
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- welding
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Abstract
This utility model relates to a kind of plasma TIG electric arc coupling composite welding apparatus, belongs to technical field of welding equipment.Plasma TIG electric arc coupling composite welding apparatus, including plasma welding torch, tig torch, welding gun base, protection gas hood, welding gun support, wire feeder, wire feeding mouth；Welding gun base is fixed on welding gun support, and protection gas hood is connected with welding gun base, is fixed by screw；Plasma welding torch is fixed on welding gun base；Wire feeding mouth is fixed on welding gun support, and wire feeding mouth is connected with wire feeder；Plasma welding torch and tig torch run through welding gun base.Welder of the present utility model, can be coupled plasma arc with TIG electric arc, it is achieved congruent melting pond is welded.In welding process, plasma arc provides big fusion penetration, TIG electric arc parcel plasma arc, while increasing fusion penetration, the molten bath blown afloat by plasma arc can be pushed down, obtain quality height, the weld seam of beautiful appearance, it is effectively improved the welding efficiency of medium-thick plate, it is ensured that welding quality.
Description
Technical field
This utility model relates to a kind of plasma-TIG electric arc coupling composite welding apparatus, belongs to welding equipment technology neck
Territory.
Background technology
Argon tungsten-arc welding (TIG) is a kind of welding method being of wide application, owing to it has the highest arc stability
Property and stronger welding adapt to ability, so being readily available high-quality weld seam.On the basis of TIG weld method, pass through
By the water-cooled nozzle contained effect to electric arc, it is possible to achieve plasma welding method, the method is pressed by machinery due to electric arc
Contracting, thermal contraction and magnetic shrink, and cause the cross section of electric arc to reduce, and electric current density increases, and arc temperature increases, and have the highest melting
Ability thoroughly.
In recent years, the advantage of composite welding apparatus is more and more prominent, and range of application have also been obtained the biggest extension.Wait from
Son welding and composite welding field thereof, the most relatively common device is: plasma-MIG composite welding apparatus.This device is
Nearly emerging plasma Composite welder, has the advantage that fusion penetration is big, efficiency is high.But owing to MIG welding method exists
The molten drop transition at arc zone, so whole welding process still there will be that splashing, nozzle adhesion be impaired and flue dust etc.
Phenomenon, the most only could realize two electric arc congruent melting ponds under the effect of external magnetic field, and whole equipment is the most complicated, certain price
The most sufficiently expensive.
Utility model content
The purpose of this utility model is intended to solve the problem that prior art exists, it is provided that a kind of plasma-TIG electric arc coupling
Composite welding apparatus, plasma arc can be coupled by this composite welding apparatus with TIG electric arc, it is achieved congruent melting pond is welded.
In welding process, plasma arc provides big fusion penetration, TIG electric arc parcel plasma arc, while increasing fusion penetration, can push down
The molten bath blown afloat by plasma arc, obtains quality height, the weld seam of beautiful appearance, is effectively improved the welding efficiency of medium-thick plate, protect
Card welding quality, meets the demand of production development.
This utility model solves the technical scheme of the problems referred to above employing: the coupling Combined Welding tipping of plasma-TIG electric arc
Put, including: plasma welding torch, tig torch, welding gun base, protection gas hood, welding gun support, wire feeder, wire feeding mouth；At the bottom of welding gun
Seat is fixed on welding gun support, and protection gas hood is connected with welding gun base, is fixed by screw；Plasma welding torch is fixed at the bottom of welding gun
On seat；Wire feeding mouth is fixed on welding gun support, and wire feeding mouth is connected with wire feeder；Described plasma welding torch and tig torch pass through
Wear welding gun base.
Described tig torch is fixed on welding gun support or welding gun base.
The centrage of plasma welding torch and welding gun base centerline angular range are 0 °～15 °, the centrage of tig torch with
Welding gun seat centerlines scope is 0 °～30 °；Between nozzle orifice and the tungsten pin end of tig torch of plasma welding torch away from
It is 1mm～10mm from scope.
The lower surface of described protection gas hood is the inclined-plane tilted at an angle, and the angular range value on inclined-plane is 0 °～15 °.
Plasma-TIG electric arc of the present utility model coupling composite welding apparatus, is truly realized plasma and TIG weldering
Compound, it is achieved that the big fusion penetration of plasma and the integration of TIG weldering high stability silk filling capping.Compared to prior art, this device has
There is following advantage: (1), under congruent melting pool mode, plasma arc and TIG electric arc can mutually assist, improve arc energy profit
By rate, increase the fusion penetration of weld seam；(2) owing to there are two electric arcs simultaneously, so the time that molten bath exists is the most longer, the easiest
Spilling in some gases, it is possible to reduce pore；(3) compared to independent Plasma Welding, the existence of tig torch have help improve
Appearance of weld；(4) plasma-silk filling TIG composite welding can avoid plasma filler wire welding under some welding parameter easy
The pore occurred or big hole；(5), the when that plasma-arc existing, plasma can be produced around, the most permissible
Thering is provided conductive channel for TIG electric arc, TIG electric arc is easy to the starting the arc, so can avoid the too fast scaling loss of tungsten pin.
Accompanying drawing explanation
Fig. 1 is that plasma-TIG electric arc of the present utility model couples composite welding apparatus
Structural representation；
Fig. 2 is that plasma-TIG electric arc of the present utility model couples composite welding apparatus application schematic diagram；
Fig. 3 is welding gun base schematic diagram；
Fig. 4 is protection gas hood schematic diagram；
Fig. 5 is that plasma-TIG electric arc couples composite welding apparatus welding process schematic diagram.
Detailed description of the invention
As depicted in figs. 1 and 2, plasma-TIG electric arc of the present utility model coupling composite welding apparatus, including plasma
Welding torch 1, tig torch 2, welding gun base 3, protection gas hood 4, welding gun support 5, wire feeder 6, wire feeding mouth 7, the source of welding current, gas
Feedway and welding controller；Wherein welding gun base 3 is fixed on welding gun support 5, protection gas hood 4 and welding gun base 3
Connect, fixed by screw；Plasma welding torch 1 and tig torch 2 run through welding gun base, and are fixed on welding gun base 3；Wire feed
Mouth 7 is fixed on welding gun support 5, and wire feeding mouth 7 is connected with wire feeder 6.
The source of welding current includes Plasma Welding power supply and TIG weld power supply, supplies to respectively plasma welding torch and tig torch
Electricity；Protection air feed system can provide plasma (orifice) gas, TIG protection gas and overall welding gun protection gas respectively；Welding controls dress
Putting can be with robot control cabinet communication, it is achieved the automation mechanized operation of plasma-TIG hybrid welding torch.
In plasma-TIG electric arc coupling composite welding apparatus, the size of plasma welding torch part should be the least, welding torch end
End diameter range is 10mm～30mm, and the nozzle of welding torch should be in elongate tapered, and in welding torch, tungsten pin should be tried one's best with the concentricity of nozzle
Height, in welding process, plasma gas flow rate is in the range of 0L/min～15L/min.
In plasma-TIG electric arc coupling composite welding apparatus, tig torch portion size also should be the least, and reservation carries
Protection gas hood, welding torch gas hood diameter range is 10mm～30mm, and tungsten pin extension elongation can arbitrarily regulate according to posture of welding torch, adjusts
Adjusting range is 5mm～50mm.
As it is shown on figure 3, for the size reducing base, the centrage of two welding torches needs skewed at an angle.Plasma
The centrage of welding torch and base centerline angular range are 0 °～15 °, the centrage of tig torch and base centerline angular range
It it is 0 °～30 °.Distance range between nozzle orifice and the tungsten pin end of tig torch of plasma welding torch is 1mm～10mm.
Due in welding process, the centrage of plasma welding torch is tried one's best the most vertical with surface of the work, as shown in Figure 4, in order to
Scratch weld seam at the edge avoiding gas hood, needs to cut gas hood edge one oblique angle, and angular range value is 0 °～15 °.
In plasma-TIG electric arc of the present utility model coupling composite welding apparatus application process, parameter is as follows:
(1) angle between plasma welding torch and welding gun base centerline is 8 °, tig torch and welding gun base centerline it
Between angle be 15 °, plasma welding torch centrage is vertical with workpiece, the tungsten pin of the nozzle orifice of plasma welding torch and tig torch
Distance between end is 5mm.
(2) in welding process, plasma (orifice) gas selects pure Ar, and throughput is that 4L/min, TIG protection gas selects pure Ar, air-flow
Amount is 7L/min, and the protection gas of compound welding gun selects pure Ar, and flow is 20L/min.
(3) selecting the congruent melting pool mode that fills silk in welding process, plasma arc is front, and TIG electric arc is rear, and the position that fills silk is two
The front end of individual electric arc, the angle that fills silk is 20 °, and welding wire and the contact point of workpiece are 0.5mm with the distance at plasma arc edge.
(4) plasma electric source module selects LORCH V50 AC/DC, and TIG power module selects rem
INVERTIG.PROdigital 240 AC/DC, plasma current is set as that 120A, TIG current settings is 140A.
(5) welding wire selects ordinary low-carbon steel welding wire, and a diameter of 1.2mm, wire feed rate is set as 0.6m/min.
Plasma-TIG electric arc of the present utility model coupling composite welding apparatus, welding process operation order is:
(1) open air valve and gas supply device, open water cooling plant, open the source of welding current.
(2) setup parameter, plays untransferable arc.
(3) welding gun moves to the position of distance workpiece 4mm height, and ignite transferred arc, and after arc to be transferred is stable, ignite TIG electricity
Arc, opens wire feeder simultaneously, and welding gun starts at the uniform velocity to move.
(4) after having welded, first close plasma arc, turn off TIG electric arc and wire feeder.
During composite welding, the work process of two electric arcs can represent with Fig. 5, i.e. plasma arc is pricked into mother metal, it is provided that
Big fusion penetration, is expelled from operative liquid metal simultaneously, and this part metals includes mother metal and the composition that fills silk, liquid metal squeezed to
Below TIG electric arc, under the effect of TIG arc pressure, become mild, then cool down, form the weld seam of uniformity.
Claims (4)
1. plasma-TIG electric arc coupling composite welding apparatus, it is characterised in that: include at the bottom of plasma welding torch, tig torch, welding gun
Seat, protection gas hood, welding gun support, wire feeder, wire feeding mouth；Welding gun base is fixed on welding gun support, protection gas hood and welding gun
Base connects, and is fixed by screw；Plasma welding torch is fixed on welding gun base；Wire feeding mouth is fixed on welding gun support, wire feed
Mouth is connected with wire feeder；Described plasma welding torch and tig torch run through welding gun base.
Plasma-TIG electric arc the most according to claim 1 coupling composite welding apparatus, it is characterised in that: tig torch is solid
It is scheduled on welding gun support or welding gun base.
Plasma-TIG electric arc the most according to claim 2 coupling composite welding apparatus, it is characterised in that: plasma welding torch
Centrage and welding gun base centerline angular range be 0 °～15 °, the centrage of tig torch and welding gun seat centerlines model
Enclose is 0 °～30 °；Distance range between nozzle orifice and the tungsten pin end of tig torch of plasma welding torch is 1mm～10mm.
4. couple composite welding apparatus according to the plasma-TIG electric arc described in claim 1,2 or 3, it is characterised in that: described
The lower surface of protection gas hood is the inclined-plane tilted at an angle, and the range of tilt angles value on inclined-plane is 0 °～15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620584323.4U CN205852087U (en) | 2016-06-16 | 2016-06-16 | Plasma TIG electric arc coupling composite welding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620584323.4U CN205852087U (en) | 2016-06-16 | 2016-06-16 | Plasma TIG electric arc coupling composite welding apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205852087U true CN205852087U (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620584323.4U Active CN205852087U (en) | 2016-06-16 | 2016-06-16 | Plasma TIG electric arc coupling composite welding apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904109A (en) * | 2016-06-16 | 2016-08-31 | 哈尔滨工业大学（威海） | Plasma-TIG electric-arc coupling composite welding device and method |
-
2016
- 2016-06-16 CN CN201620584323.4U patent/CN205852087U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904109A (en) * | 2016-06-16 | 2016-08-31 | 哈尔滨工业大学（威海） | Plasma-TIG electric-arc coupling composite welding device and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |