CN209206683U - A kind of efficiently cooling lockhole effect TIG deep penetration welding welding gun - Google Patents
A kind of efficiently cooling lockhole effect TIG deep penetration welding welding gun Download PDFInfo
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- CN209206683U CN209206683U CN201821688354.XU CN201821688354U CN209206683U CN 209206683 U CN209206683 U CN 209206683U CN 201821688354 U CN201821688354 U CN 201821688354U CN 209206683 U CN209206683 U CN 209206683U
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Abstract
The utility model embodiment discloses a kind of efficiently cooling lockhole effect TIG deep penetration welding welding gun, gas nozzle, location nut, tungsten electrode, electrode tip positioning sleeve, electrode tip housing, welding gun outer cylinder, conducting rod, electrode tip coolant intake, protection gas air inlet, electrode tip cooling water outlet mouth, electrode tip, locking nut, tungsten electrode coolant intake, tungsten electrode cooling water outlet mouth including taper.Using the utility model; compared with traditional efficiently cooling lockhole effect TIG deep penetration welding welding gun; not only improved in terms of appearance; and bigger innovation has also been made in terms of the internal structure of welding gun; keep improved efficiently cooling lockhole effect TIG deep penetration welding welding gun not only more reasonable in appearance configuration aspects, but also makes the transferring structure of cooling water circulation structure inside welding gun, protective gas fluidal texture and electric current all more rationally.
Description
Technical field
The utility model relates to a kind of welding gun more particularly to it is a kind of to be provided with low-angle groove weld welded it is efficient
Cooling lockhole effect TIG deep penetration welding welding gun.
Background technique
Lockhole effect TIG deep penetration welding is a kind of novel welding method that developed on the basis of traditional TIG weldering,
Lockhole effect TIG deep penetration welding is welded compared to traditional TIG, and intentional increases the pressure of electric arc, and electric arc is enabled to penetrate weldering
Connect the lower surface of workpiece.Static pressure and surface when the liquid state of molten pool metal in the arc force and workpiece lower surface that high current is formed
When tension balances each other, lockhole effect just will form, flow the liquid metals in molten bath around lockhole, without will lead to liquid
Metal drippage is lost.When thickness lesser workpiece is welded in application lock effect of holes TIG deep penetration welding, slope can be realized not open
Mouthful, single side once penetrates and two-sides forming, and speed of welding is fast, and welding efficiency is high.But the biggish workpiece of thickness is welded
When connecing, due to the limitation of process conditions, it is necessary to be welded again after being provided with the groove of respective angles size.TIG traditional at this time
Deep penetration welding welding gun has been unable to satisfy and has been welded to the weld seam for being provided with low-angle groove due to the defect in structure.
Traditional efficiently cooling lockhole effect TIG deep penetration welding welding gun is generally not much different in structure using upper and lower diameter
Class it is cylindrical, when being welded using the welding gun of this spline structure to the weld seam for being provided with low-angle groove, since welding gun can not be deep
Enter the bottom to groove, so being unable to complete corresponding welding (as shown in Figure 1).It is a kind of novel it is therefore necessary to study
Welding gun structure overcomes the defect on traditional TIG deep penetration welding welding gun structure, carry out it can to the weld seam for not being provided with groove
Welding, while the groove for being provided with groove especially low-angle can also be welded.
In addition, traditional efficiently cooling lockhole effect TIG deep penetration welding welding gun is generally adopted by integrally cooling mode,
There is no the coolings realized to the more serious tungsten electrode that generates heat.So that the service life of tungsten electrode is smaller, the number for replacing tungsten electrode increases,
Not only make the increased costs of welding, but also reduces welding efficiency.
Utility model content
The technical problem to be solved by the embodiment of the utility model is, providing a kind of efficiently cooling lockhole effect TIG
Deep penetration welding welding gun.The service life of tungsten electrode can effectively be extended, improve welding efficiency.
In order to solve the above-mentioned technical problem, the utility model embodiment provides a kind of efficiently cooling lockhole effect TIG
Deep penetration welding welding gun, gas nozzle (2), location nut (3), tungsten electrode (4), electrode tip positioning sleeve (6), electrode tip housing including taper
(8), welding gun outer cylinder (9), conducting rod (11), electrode tip coolant intake (12), protection gas air inlet (13), electrode tip cooling go out
The mouth of a river (14), electrode tip (16), locking nut (17), tungsten electrode coolant intake (5), tungsten electrode cooling water outlet mouth (18)；The gas
Mouth is fixedly installed on electrode tip housing lower end by the locking nut；The tungsten electrode and the location nut are interference fitted
Connection, the location nut are set to the electrode tip lower end；The electrode tip passes through electrode tip positioning sleeve support setting
In in the electrode tip housing；The welding gun outer cylinder is fixedly installed on the outer set upper side of the electrode tip；The electrode tip have with
The electrode tip cooling cycle channel that the electrode tip coolant intake, the electrode tip cooling water outlet mouth are connected to；The positioning spiral shell
Mother has the cooling chamber being connected to the tungsten electrode coolant intake, tungsten electrode cooling water outlet mouth；The location nut and the gas nozzle
Between gap and the electrode tip between formed be connected to it is described protection gas air inlet channel；The conducting rod and the electricity
Cartridge electrical connection.
It further, further include welding gun outer cylinder positioning sleeve (15), the welding gun outer cylinder positioning sleeve is supported in the electrode tip
On the flange of outer casing inner wall, and it is sheathed on the electrode tip periphery.
Further, have the connection electrode tip cooling cycle logical between the electrode tip and the electrode tip housing
The cooling chamber in road.
Further, sealing shroud is provided between the electrode tip and the electrode tip housing.
Further, sealing cover is fixedly installed at the top of the welding gun outer cylinder.
Implement the utility model embodiment, has the following beneficial effects: the utility model and traditional efficiently cooling lock
Effect of holes TIG deep penetration welding welding gun is compared, and is not only improved in terms of appearance, but also have also been made in terms of the internal structure of welding gun
Bigger innovation, make improved efficiently cooling lockhole effect TIG deep penetration welding welding gun not only appearance configuration aspects more
It is reasonable, and make the transferring structure of cooling water circulation structure inside welding gun, protective gas fluidal texture and electric current all more
What is added is reasonable.
Detailed description of the invention
Fig. 1 is welding gun and comparison diagram of the original welding gun when welding low-angle groove weld in the utility model；
Fig. 2 is the welding gun whole interior structure sectional view in the utility model；
Fig. 3 is the outside drawing and cross-sectional view of the welding gun key components and parts electrode tip in the utility model；
Fig. 4 is the welding gun overall structure figure in the utility model；
Fig. 5 is the cooling water circulation figure of electrode tip in the utility model；
Fig. 6 is the cooling water circulation figure of tungsten electrode in the utility model；
Fig. 7 is the protective gas flow schematic diagram in the utility model；
Fig. 8 is that welding current transmits schematic diagram in the utility model.
Wherein label are as follows: welding workpiece 1, gas nozzle 2, location nut 3, tungsten electrode 4, tungsten electrode coolant intake 5, electrode tip positioning
Set 6, sealing shroud 7, electrode tip housing 8, welding gun outer cylinder 9, sealing cover 10, conducting rod 11, electrode tip coolant intake 12, protection gas
Air inlet 13, electrode tip cooling water outlet mouth 14, welding gun outer cylinder positioning sleeve 15, electrode tip 16, locking nut 17, tungsten electrode cooling water outlet
Mouth 18.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.
Referring to structural schematic diagram shown in Fig. 2.
A kind of efficiently cooling lockhole effect TIG deep penetration welding welding gun of the utility model embodiment, including welding workpiece 1,
Gas nozzle 2, location nut 3, tungsten electrode 4, tungsten electrode coolant intake 5, electrode tip positioning sleeve 6, sealing shroud 7, electrode tip housing 8, welding gun
Outer cylinder 9, sealing cover 10, conducting rod 11, electrode tip coolant intake 12, protection gas air inlet 13, electrode tip cooling water outlet mouth 14,
Welding gun outer cylinder positioning sleeve 15, electrode tip 16, locking nut 17, tungsten electrode cooling water outlet mouth 18.
The tapered structure of gas nozzle 2 has smaller taper, when bigger to thickness compared with the gas nozzle of traditional welding gun
When welding workpiece is welded, bevel is needed to be welded, the design of Small Taper gas nozzle is just met pair in the utility model
It is provided with the demand that the workpiece of groove is welded.
Gas nozzle 2 is connected by locking nut 17 with the lower end of electrode tip housing 8.
Location nut 3 is connected to a fixed with tungsten electrode 4, connection type of the connection type of the two using interference, positioning
The diameter of the tungsten electrode mounting hole of nut 3 when installation by way of extruding, makes tungsten than the diameter of tungsten electrode 4 slightly smaller
The two is set to be fixed together in the tungsten electrode mounting hole that pole 4 is inserted into location nut 3 and by frictional force between the two.Due to
The two use interference connection type, so if occur in use tungsten electrode 4 damage need replacing in the case where, one
As do not dismantle directly, but by unclamp locking nut 17 tungsten electrode 4 and location nut 3 are replaced as a whole, this reality
The reason of applying mode is the cooling space for foring annular in location nut 3 due to tungsten electrode 4, is replaced as an entirety
Fall to guarantee that replacement is completed cooling water later and do not leaked in the annular cooling space flowing that it is formed, and if only only more
Tungsten electrode 4 is changed, due to rubbing action between the two, it is more likely that the gap of cooling water leakage can be formed therebetween.Therefore,
Among the two any one when something goes wrong, be all directly to replace the two as a whole.Although doing so meeting
It increased each renewal part cost, but the failure rate of welding gun in use can be reduced, in general, this
Sample can reduce the processing cost of welding, improve welding efficiency.
The both ends of location nut 3 are separately installed with tungsten electrode coolant intake 5 and tungsten electrode cooling water outlet mouth 18, and water flow is from tungsten electrode
Enter in coolant intake 5, after tungsten electrode of the annular cooling space to fever cools down, finally from tungsten electrode cooling water outlet mouth
Outflow.Another effect of location nut 3 is connected with electrode tip 16, and the connection type of the two is using contact connectio, such as
Shown in enlarged drawing in Fig. 2.
Electrode tip 16 is positioned by welding gun outer cylinder positioning sleeve 15, passes through 9 the two of electrode tip housing 8 and welding gun outer cylinder
Between threaded connection realize the fixation of electrode tip 16, prevent it from moving up；Specifically, 8 inner wall of electrode tip housing
With stair-stepping flange, it is used to support welding gun outer cylinder positioning sleeve 15, welding gun outer cylinder positioning sleeve 15 is closely sheathed on electrode tip 16
Positioning is realized in periphery.
Have in electrode tip housing 8 and the step of the cooperation support of electrode tip positioning sleeve 6, for guaranteeing welding gun in downward direction
It positions and fixed, makes immobilizing for 16 position of electrode tip.
Location nut 3 is connected by screw thread with the cooling inlet and outlet pipes of tungsten electrode, and the cooling inlet and outlet pipes of tungsten electrode are by closely connecing
The mode of touching is connected with gas nozzle 2, allows for the cooling inlet and outlet pipes 5 and 18 of location nut 3, tungsten electrode in this way and gas nozzle 2 is mutual
It connects into for an entirety, and under the drive of locking nut 17, during locking nut locking, will drive positioning spiral shell
Mother 3 is continuous mobile upwards, closely contacts until with fixed 16 phase of electrode tip, the centre as welding current conduction
Medium.
Further, since welding current generally all compares greatly in lockhole effect TIG weldering, so welding electricity in the utility model
It spreads the intermediate medium led and has all done insulation protection, wherein electrode tip positioning sleeve 6, sealing shroud 7 and welding gun outer cylinder positioning sleeve 15
What is used is all dielectric, guarantees that welding current is not transferred on electrode tip housing 8 and welding gun outer cylinder 9,3 phase of location nut
What is used between the cooling inlet and outlet pipes of the tungsten electrode of connection is also insulation connection, guarantees that welding current will not leak outside, avoids generating peace
Full hidden danger.
Sealing shroud 7 and electrode tip positioning sleeve 6 are installed inside electrode tip housing 8；The effect of its sealing shroud 7 is to work as cooling water
When circulating between electrode tip 16 and electrode tip housing 8, guarantee that cooling water does not leak outside.The effect of its electrode tip positioning sleeve 6
It is the relative mounting location for guaranteeing electrode tip 16 and electrode tip housing 8.
Welding gun outer cylinder 9 is connected by screw thread with electrode tip housing 8, while guaranteeing the two by welding gun outer cylinder positioning sleeve 15
Relative mounting location.Sealing cover 10 is connected by screw thread with welding gun outer cylinder 9, so that the external of welding gun forms one completely
Shell.Described 11 one end of conducting rod is connected with electrode tip 16, and the other end is connected with external power supply, and welds as conduction
One intermediate medium of electric current.Electrode tip coolant intake 12 and electrode tip cooling water outlet mouth 14 respectively by way of grafting with
The intake-outlet of electrode tip upper end is connected, and reaches cold to the electrode tip of fever by water flow circulating inside electrode tip
But the purpose to cool down.
Protection gas air inlet 13 is connected with electrode tip 16, passes through gas passage inside electrode tip 16 and gas nozzle 2 etc.
Structure guarantees that protective gas smoothly reaches in welding region.Gas nozzle 2 is connected by the locking nut 17 with electrode tip housing 8
It connects, guarantee enables the various pieces of welding gun flexibly to dismantle and replace.
In the present embodiment, welding workpiece 1 is the welding workpiece with groove, when use lockhole effect TIG deep penetration welding pair
When welding workpiece is welded, the thickness of welding workpiece should be first considered, in general, stainless steel below for 13 millimeters thicks,
When 15 millimeters thicks titanium alloy welding below is welded, it may be implemented once to penetrate without filler wire without bevel, and
And single welding, two-sides forming reduce welding cost so as to greatly improve welding efficiency.And the thickness of weldment is greater than
For the welding workpiece of 20 millimeters thicks, to enable weldment to penetrate, it is necessary to it is provided with the groove of certain angle size in commissure, and
And generally first welded when welding using lockhole effect TIG to carry out backing welding, then use others can be with the weldering of filler wire again
It connects method (such as MIG weldering, MAG weldering or submerged-arc welding) and carries out cosmetic welding, two kinds of welding methods are flexibly used in combination, can make
The thickness range of weldable workpiece greatly increases.
In terms of the cooling of welding gun itself, it is different from traditional welding gun type of cooling, can be accomplished in the present invention
Accurate cooling to welding gun internal heating element in welding process not only improves only cooling efficiency in this way, reduces welding processing
Cost, and since welding gun itself is able to maintain constant operating temperature, so can also greatly improve the processing of welding
Quality.It specifically, is being that two large divisions is divided into the cooling of welding gun in more serious 16 the utility model of electrode tip that generates heat,
A part is cooled down, and another part is cooled down to tungsten electrode 4.As shown in figure 5, being that electrode tip in cooling procedure follow by water flow
Ring schematic diagram, first water flow by electrode tip water inlet 12 enter electrode tip inside, by the water stream channel inside electrode tip from
Electrode tip 16 is flowed out in side, and and then water flow can flow into the annular seal space formed by sealing shroud 7 and electrode tip housing 8, with
Flowing of the water flow in annular seal space, the heat that electrode tip 16 generates during the work time can be by flowing water stream institute band
It walks, further, the raised water flow of temperature can be flowed out along another water flow output channel inside electrode tip 16, by outside
Cooling processing after, cool down inside inflow electrode tip 16 again, circulating for such water flow can in a steady stream not
Disconnected takes away heat caused by electrode tip 16, to guarantee the constant of the temperature during the work time of electrode tip 16.To guarantee electrode
Recirculated water does not leak outside in first 16 cooling procedure, also takes necessary seal approach, in the cooling inlet and outlet pipes of electrode tip and electrode
The connection type of the grafting used between head, and it is machined with groove in the Inlet and outlet water interface of electrode tip, make electrode tip Inlet and outlet water
It is not easily to fall off after pipe insertion, while also playing the effect of sealing；Between electrode tip 16 and electrode tip housing 8, to guarantee
Cooling water does not leak outside, and is sealed using sealing shroud.As shown in fig. 6, being carried out to fever also more serious tungsten electrode
It is cooling, since tungsten electrode is directly contacted with welding arc in the welding process, so tungsten electrode temperature in the welding process itself
It is unusual height, although tungsten material itself has very strong ability resistant to high temperature, if tungsten electrode is made to be in higher for a long time
At a temperature of continuous work, also will necessarily greatly reduce the service life of tungsten electrode, thus the utility model it is individually designed go out
One cooling duct is individually cooled down come the tungsten electrode bigger to calorific value.In cooling procedure, cooling water first can
Into in tungsten electrode coolant intake 5, flowed into location nut 3 through pipeline, and inside location nut 3, by location nut 3 and tungsten
Pole 4 forms the cooling space of annular, after cooling water stream enters, can flow along the cooling space of this annular, take away tungsten electrode 4
Heat caused by itself, and flowed out along the tungsten electrode cooling water outlet mouth 18 of 3 other side of location nut, the raised cooling water of temperature
After flowing out, artificial cooling processing can be carried out in the external of welding gun, after temperature lowers, can again enter tungsten electrode
Tungsten electrode 4 is cooled down in coolant intake 5, the flowing of the cooling water looped back and forth like this, continual can take away tungsten electrode
Heat caused by itself guarantees the constant of tungsten electrode temperature during the work time itself.To guarantee cooling water to the circulation of tungsten electrode 4
What cooling can not leak in closed annular space circulates, at each zero of flow of cooling water in the utility model
The interface of part has carried out encapsulation process, between the cooling inlet and outlet pipes 5 and 18 of tungsten electrode and location nut 3, by screw thread
Gasket is added to guarantee that cooling water does not leak outside in junction；It is cooling empty in the recirculated water annular that location nut 3 and tungsten electrode 4 are formed
Between, matched by the interference of the two ensure that not leaking outside for cooling water flow.Due to using two circulations in the present invention
Cooling route, compared with the single circulating cooling route of traditional welding gun, in the identical situation of every circulating cooling route flow,
Under same time conditions, the cooling effect of the welding gun in the utility model is twice of traditional welding gun, that is to say, that works as use
It when welding gun in the utility model is welded, can be welded using bigger welding current, this is also just meaned
, the maximum weld thickness of the permission of welded part can be increased, and the processed and applied range of welding gun also can in the utility model
Expand；Meanwhile if when use is welded with an equal amount of welding current of traditional welding gun in the welding process, using this reality
It means to work the time more lengthened than traditional welding gun with the welding gun in novel, extends the service life of tungsten electrode 4, drop
The production cost of low welding processing.
In terms of the ventilation of welding gun itself, as shown in fig. 7, first passing through protection by the protective gas that external gas cylinder provides
Gas air inlet 13 enters in the gas passage in electrode tip 16, then along the gas parallel with 16 axis direction of electrode tip
Channel flows to the tail end of electrode tip 16, the outflow (as shown in Figure 3) of the aperture through 16 tail end of electrode tip, the protective gas after outflow
It can be flowed further along the gas passage formed by gas nozzle 2 and point nut 3 to the tip of tungsten electrode 4, guarantee protective gas
It can smoothly reach at welding region, exclude the foreign gas in welding region, build gas shield required for TIG weld
Environment.Protective gas is during welding gun internal flow, to guarantee that protective gas does not leak outside, it is necessary to take certain sealing
Measure guarantees to protect between gas nozzle 2 and electrode tip housing 8 by way of adding gasket and being fixed with locking nut
Shield gas does not leak outside；Corresponding seal approach is also taken with the junction of the cooling inlet and outlet pipes 5 and 18 of tungsten electrode in gas nozzle 2, is protected
Card protective gas can smoothly reach the tip of tungsten electrode.
In terms of the electric current transmitting of welding gun itself, as shown in figure 8, when welding, the cathode of 11 connecting welding power supply of conducting rod,
The anode of 1 connecting welding power supply of welding workpiece, inside welding gun, electric current passes through conducting rod 11 and is transmitted in electrode tip 16, into
One step, electrode tip 16 can deliver current in location nut 3 in contact, and finally, electric current can be transmitted to and determine
In the tungsten electrode 4 that position nut 3 is connected, and welding arc is formed between tungsten electrode 4 and welding workpiece 1.In terms of electric current transmitting,
For guarantee welding operator personal safety, the most important insulation for seeking to accomplish between welding current and welding torch casing,
Therefore, the electrode tip positioning sleeve 6 that is connected in the present invention with welding current transmitting medium electrode tip 16, sealing shroud 7 with
And welding gun outer cylinder positioning sleeve 15 all makes using the material of insulation；Meanwhile the tungsten electrode that is connected with location nut 3 it is cooling into
Dielectric is also used between outlet pipe, transmit welding current can not therebetween.
Welding gun itself uses a kind of Chinese utility model patent " lockhole effect TIG when carrying out lockhole effect TIG weld
The patent of deep penetration welding controlling system of welder and control method ", Publication No. CN105127553A generates striking current.It is opened in welding
When the beginning, welding arc is excited by high-frequency arc strike, in the welding process, by the control to welding current, to maintain to weld
Electric arc simultaneously generates lockhole effect, and the efficiently cooling lockhole effect TIG deep penetration welding welding gun in the utility model is in the welding process
Can be by the welding current of up to upper kiloampere, and rely on the arc force of high current formation and the static pressure and table of liquid metals
Face tension balances each other to form lockhole effect, can be realized the carbon steel to 3~16mm thickness, stainless steel, titanium and its alloy, zirconium and
The welding of the metal plates such as its alloy.By using the welding gun in the utility model, due to being used more at the gas nozzle of welding gun
Small taper, therefore, when being welded using the welding gun in the utility model, the range for making it possible to workpieces processing becomes more
Greatly.
Above disclosed is only a kind of preferred embodiment of the utility model, certainly cannot be practical to limit with this
Novel interest field, therefore equivalent variations made according to the claim of the utility model still belong to what the utility model was covered
Range.
Claims (5)
1. a kind of efficiently cooling lockhole effect TIG deep penetration welding welding gun, which is characterized in that gas nozzle (2), positioning spiral shell including taper
Female (3), tungsten electrode (4), electrode tip positioning sleeve (6), electrode tip housing (8), welding gun outer cylinder (9), conducting rod (11), electrode tip are cooling
Water inlet (12), protection gas air inlet (13), electrode tip cooling water outlet mouth (14), electrode tip (16), locking nut (17), tungsten electrode
Coolant intake (5), tungsten electrode cooling water outlet mouth (18)；The gas nozzle is fixedly installed on the electrode tip by the locking nut
Housing lower end；The tungsten electrode and location nut interference fit connect, and the location nut is set to the electrode tip lower end；
The electrode tip is set in the electrode tip housing by electrode tip positioning sleeve support；The welding gun outer cylinder fixed setting
In set upper side outside the electrode tip；The electrode tip has and the electrode tip coolant intake, the electrode tip cooling water outlet
The electrode tip cooling cycle channel of mouth connection；The location nut has and the tungsten electrode coolant intake, tungsten electrode cooling water outlet
The cooling chamber of mouth connection；It is formed between gap and the electrode tip between the location nut and the gas nozzle described in being connected to
Protect the channel of gas air inlet；The conducting rod is electrically connected with the electrode tip.
2. efficiently cooling lockhole effect TIG deep penetration welding welding gun according to claim 1, which is characterized in that further include weldering
Rifle outer cylinder positioning sleeve (15), the welding gun outer cylinder positioning sleeve is supported on the flange of the electrode tip outer casing inner wall, and is sheathed on
The electrode tip periphery.
3. efficiently cooling lockhole effect TIG deep penetration welding welding gun according to claim 1 or 2, which is characterized in that the electricity
There is the cooling chamber in connection electrode tip cooling cycle channel between cartridge and the electrode tip housing.
4. efficiently cooling lockhole effect TIG deep penetration welding welding gun according to claim 3, which is characterized in that the electrode
Sealing shroud is provided between head and the electrode tip housing.
5. efficiently cooling lockhole effect TIG deep penetration welding welding gun according to claim 4, which is characterized in that the welding gun
Sealing cover is fixedly installed at the top of outer cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821688354.XU CN209206683U (en) | 2018-10-17 | 2018-10-17 | A kind of efficiently cooling lockhole effect TIG deep penetration welding welding gun |
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| CN201821688354.XU CN209206683U (en) | 2018-10-17 | 2018-10-17 | A kind of efficiently cooling lockhole effect TIG deep penetration welding welding gun |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262117A (en) * | 2018-10-17 | 2019-01-25 | 广东福维德焊接股份有限公司 | A kind of efficiently cooling lockhole effect TIG deep penetration welding welding gun |
| CN117324733A (en) * | 2023-10-26 | 2024-01-02 | 广东福维德焊接股份有限公司 | Deep fusion welding gun structure |
-
2018
- 2018-10-17 CN CN201821688354.XU patent/CN209206683U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262117A (en) * | 2018-10-17 | 2019-01-25 | 广东福维德焊接股份有限公司 | A kind of efficiently cooling lockhole effect TIG deep penetration welding welding gun |
| CN109262117B (en) * | 2018-10-17 | 2023-12-22 | 广东福维德焊接股份有限公司 | High-efficient refrigerated lockhole effect TIG deep penetration welding welder |
| CN117324733A (en) * | 2023-10-26 | 2024-01-02 | 广东福维德焊接股份有限公司 | Deep fusion welding gun structure |
| CN117324733B (en) * | 2023-10-26 | 2024-05-24 | 广东福维德焊接股份有限公司 | Deep fusion welding gun structure |
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