CN206241447U - One kind rotation tungsten electrode heating wire TIG welding gun - Google Patents
One kind rotation tungsten electrode heating wire TIG welding gun Download PDFInfo
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- CN206241447U CN206241447U CN201621371088.9U CN201621371088U CN206241447U CN 206241447 U CN206241447 U CN 206241447U CN 201621371088 U CN201621371088 U CN 201621371088U CN 206241447 U CN206241447 U CN 206241447U
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Abstract
The utility model discloses one kind rotation tungsten electrode heating wire TIG welding gun, belong to TIG weld technical field.It includes gun body and hollow tungsten electrode；Described hollow tungsten electrode is rotatably arranged in gun body by bearing；Hollow tungsten electrode is driven by drive mechanism and rotated, and drive mechanism includes internal gear, external gear and motor, and internal gear is arranged on hollow tungsten electrode, external gear and internal gear engaged transmission, and motor drives external gear by power transmission shaft；The end of the hollow tungsten electrode connects wire-feeding pipe by conducting element, and welding wire is sent into hollow tungsten electrode by wire-feeding pipe, and is stretched out from the front end of gun body.The utility model breaks through the structure design of existing fixed tungsten electrode, in welding, tungsten electrode is driven in rotation, arc shape is set no longer to stick to the shape at tungsten electrode tip, the uniformity of electric arc can effectively be adjusted, arc stability, and the relative rotation between tungsten electrode and welding wire can also be prevented effectively from welding wire and touch and be bonded on tungsten electrode inwall, it is ensured that the stability of welding, welding quality and efficiency.
Description
Technical field
The utility model belongs to TIG weld technical field, more specifically to one kind rotation tungsten electrode heating wire TIG welding gun.
Background technology
Existing hot wire TIG welding be a kind of high-quality, efficiently, the TIG soldering methods of energy-conservation, it be general T IG weldering on the basis of,
Welding wire is preheated before welding wire is sent into molten bath.Existing hot wire TIG welding is using the pre- hot weld of method of external resistance heating
Silk, i.e.,：Before welding wire feeding molten bath, by certain electric current on welding wire, realize that welding wire is pre- using welding wire self-resistance heat production
, so, there is a heater current loop adjacent with main welding circuit between workpiece and welding wire in heat.But returned in heater current
In the magnetic field that road is formed, welding arc is necessarily subject to an effect for magnetic field force and deviates original direction, produces arc blow,
Arc blow can have adverse effect in hot wire TIG welding to weld shape and being accurately positioned for electric arc；And this technique compared with
Suitable for the welding of the larger material of the resistivity such as carbon steel, stainless steel, but it is difficult to apply to the high conductivity materials such as copper, aluminium
In welding, the electric current efficiency of heating surface is low, and welding wire does not reach suitable temperature, so up to the present, traditional hot wire TIG welding also discomfort
Share in the welding of copper, aluminium and its alloy；In addition, welding wire oxidized being difficult to control to before molten bath is entered.
To solve the above problems, inventor optimizes design to existing heating wire TIG welding gun, and proposes name before this
Referred to as：Coaxial hollow tungsten electrode heating wire TIG welding gun, welder and welding method, Application No.：201610718425.5, it is open
Number it is：The patent application of 106141387A.The heating wire TIG welding gun includes gun body and tungsten electrode, and the gun body is hollow, one end of gun body
It is provided with nozzle, the tungsten electrode is axially fixed the middle part that is arranged at gun body and its end passes the nozzle；The tungsten electrode
In hollow shape, and its end has the welding wire hole passed through for welding wire.It is by traditional solid tungsten electrode be improved to hollow tungsten electrode,
The welding wire that traditional external automatic wire feeding device is conveyed carries out wire feed, is supplied traditional feeder through hollow tungsten electrode
Inert protective gas are input into by the air admission hole in welding gun gun body, are entered in hollow tungsten electrode through intercommunicating pore corresponding on hollow tungsten electrode
Portion；So as to realize automatic feeding, and in welding wire into being preheated and gas shield before molten bath, pre-heat effect and effectively is improved
Avoid being heated the oxidation of welding wire, reduce the energy of arc-melting welding wire, increase the burn-off rate of welding wire and mother metal, improve molten
Speed, speed of welding are applied, realizes that high-speed and high-efficiency is welded；And remain all excellent of the TIG such as arc stability, Weld Performance be excellent welderings
Point.But, using above-mentioned heating wire TIG welding gun welding process in, the frequent welding arc direction of the tungsten electrode starting the arc is indefinite, occur it is unstable,
Uneven phenomenon, influences welding quality；Simultaneously in the case where the long period works, tungsten electrode temperature is higher, and the welding wire for passing through is (particularly
Aluminium welding wire) easily touch hollow tungsten electrode inwall and melt rapidly, welding efficiency is largely effected on, increased welding cost.
The content of the invention
1st, the problem to be solved
Wire feed is carried out by hollow tungsten electrode using welding wire for existing heating wire TIG welding gun, causes that welding arc is unstable, inequality
Even, welding wire easily touches hollow tungsten electrode inwall and the problem for bonding fusing, influence welding quality and efficiency occurs, and the utility model is provided
One kind rotation tungsten electrode heating wire TIG welding gun, breaks through the structure design of existing fixed tungsten electrode, and in welding, tungsten electrode is driven in rotation, and makes
Arc shape no longer stick to tungsten electrode tip shape, can effectively adjust the uniformity of electric arc, arc stability, and tungsten electrode with
Relative rotation between welding wire can also be prevented effectively from welding wire and touch and be bonded on tungsten electrode inwall, it is ensured that the stability of welding, weldering
Connect quality and efficiency.
2nd, technical scheme
To solve the above problems, the utility model is adopted the following technical scheme that.
One kind rotation tungsten electrode heating wire TIG welding gun, including gun body and hollow tungsten electrode；Described hollow tungsten electrode is rotated by bearing
It is arranged in gun body.
Used as further improvement of the utility model, described bearing has 2, and interval sets along its length in gun body
Put, hollow tungsten electrode is arranged in gun body by 2 bearings.
Used as further improvement of the utility model, described hollow tungsten electrode is driven by drive mechanism and rotated.
Used as further improvement of the utility model, described drive mechanism includes internal gear, external gear and motor；It is described
Internal gear be arranged on hollow tungsten electrode, external gear and internal gear engaged transmission；Described motor drives external tooth by power transmission shaft
Wheel.
Used as further improvement of the utility model, the end of described hollow tungsten electrode connects wire-feeding pipe by conducting element,
Welding wire is sent into hollow tungsten electrode by wire-feeding pipe, and is stretched out from the front end of gun body.
As further improvement of the utility model, connected by bearing between the end of described hollow tungsten electrode and conducting element
Connect.
Used as further improvement of the utility model, the front end external diameter of described hollow tungsten electrode is gradually reduced tapered.
3rd, beneficial effect
Compared to prior art, the beneficial effects of the utility model are：
(1) in welding process, the hollow frequent electric arc direction of the tungsten electrode starting the arc is indefinite, goes out for existing hollow tungsten electrode TIG welding guns
Existing unstable, uneven phenomenon, influences welding quality, while in the case where the long period works, tungsten electrode temperature is higher, the welding wire for passing through
(particularly aluminium welding wire) easily touches hollow tungsten electrode inwall and produces bonding and melt, and largely effects on welding efficiency, increased weldering
This is connected into, tungsten electrode heating wire TIG welding gun is rotated based on above mentioned problem the utility model, hollow tungsten electrode rotated by bearing is arranged at
In gun body, the design of this kind of novelty breaks through the structure of existing fixed tungsten electrode, arc shape is no longer sticked to tungsten electrode tip
Shape, hollow tungsten electrode rotation, makes electric arc more be concentrated in the front end of hollow tungsten electrode during welding, and uniformly, arc stability；Meanwhile,
Due to the relative rotation between hollow tungsten electrode and welding wire, welding wire is substantially remained in the cavity of hollow tungsten electrode, is not susceptible to touching,
Be also of short duration contact even if welding wire touches hollow tungsten electrode inwall, welding wire will not be bonded on tungsten electrode inwall, it is ensured that welding it is steady
Qualitative, welding quality and efficiency；
(2) the utility model rotation tungsten electrode heating wire TIG welding gun, by 2 bearings to hollow tungsten electrode support rotating, support is steady
It is fixed reliable, it is to avoid the shake in hollow tungsten electrode rotary course, cause welding position to shift, so as to ensure that welding high is accurate
Property, improve welding quality；
(3) the utility model rotation tungsten electrode heating wire TIG welding gun, hollow tungsten electrode is driven by drive mechanism and rotated, and is driven
Mechanism uses meshed transmission gear structure type, and it is power source to use motor, and stable transmission, speed is adjustable, simple structure, if
Meter is ingenious, can effectively simplify welding gun structure, reduces production cost；
(4) the utility model rotation tungsten electrode heating wire TIG welding gun, the end of hollow tungsten electrode connects wire-feeding pipe by conducting element,
One side conducting element connects external circuit, hollow tungsten electrode is connect electricity, on the other hand welding wire is sent into hollow tungsten by wire-feeding pipe
It is extremely interior；In addition, conducting element and hollow tungsten electrode are connected using bearing, it is ensured that hollow tungsten electrode can normally rotate, and not influence to connect electricity
With wire feed function；
(5) the utility model rotation tungsten electrode heating wire TIG welding gun, the front end external diameter of hollow tungsten electrode be gradually reduced it is tapered, from
And the tip product of hollow tungsten electrode is smaller, on the premise of hollow tungsten electrode rotates, the intensity of electric arc is further improved.
Brief description of the drawings
Fig. 1 is the surface structure schematic diagram that the utility model rotates tungsten electrode heating wire TIG welding gun；
Fig. 2 is the cross section structure diagram that the utility model rotates tungsten electrode heating wire TIG welding gun；
Fig. 3 is the blast diagram that the utility model rotates tungsten electrode heating wire TIG welding gun.
In figure：1st, gun body；2nd, hollow tungsten electrode；3rd, internal gear；4th, external gear；5th, power transmission shaft；6th, bearing；7th, conducting element；8、
Wire-feeding pipe；9th, welding wire.
Specific embodiment
The utility model is further described below with reference to specific embodiments and the drawings.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of rotation tungsten electrode heating wire TIG welding gun of the present embodiment, including gun body 1, hollow tungsten
Pole 2, conducting element 7, wire-feeding pipe 8 and drive mechanism；Wherein, two annulars are interval with the inwall of gun body 1 along its length
Boss, is respectively mounted a bearing 6 on two boss, the support of hollow tungsten electrode 2 is arranged in two bearings 6, before hollow tungsten electrode 2
End is stretched out from the jet hole of the front end of gun body 1., using two support rotating designs of bearing 6, supporting ＆ stablizing can for hollow tungsten electrode 2
Lean on, it is to avoid the shake in the rotary course of hollow tungsten electrode 2, cause welding position to shift, so as to ensure welding accuracy high, carry
High welding quality.
Existing hollow tungsten electrode TIG welding guns are in welding process, and the hollow frequent electric arc direction of the tungsten electrode starting the arc is indefinite, hair occur
Float, uneven phenomenon, influence welding quality, while in the case where the long period works, tungsten electrode temperature is higher, the welding wire that passes through is (special
It is not aluminium welding wire) easily touch hollow tungsten electrode inwall generation bonding and melt, welding efficiency is largely effected on, increased and be welded into
This.Based on above mentioned problem, hollow tungsten electrode 2 is rotated and is arranged in gun body 1 by the present embodiment by bearing 6, and this kind of novelty sets
Meter breaks through the structure of existing fixed tungsten electrode, arc shape is no longer sticked to the shape at tungsten electrode tip, and hollow tungsten electrode 2 revolves during welding
Turn, electric arc is more concentrated in the front end of hollow tungsten electrode 2, and uniformly, arc stability；Simultaneously as hollow tungsten electrode 2 and welding wire 9
Between relative rotation, welding wire 9 substantially remained in the cavity of hollow tungsten electrode 2, touching is not susceptible to, even if welding wire 9 touches sky
The inwall of heart tungsten electrode 2, is also of short duration contact, and welding wire 9 will not be bonded on the inwall of hollow tungsten electrode 2, it is ensured that the stability of welding, weldering
Connect quality and efficiency.
In the present embodiment, the rotation of hollow tungsten electrode 2 is realized by drive mechanism, and specifically, drive mechanism includes interior
Gear 3, external gear 4 and motor, internal gear 3 are arranged on the hollow tungsten electrode 2 in gun body 1 between two bearings 6, with internal gear 3
The outer wall of the corresponding gun body 1 in position is provided with perforate, and external gear 4 is inserted in gun body 1 by the perforate and engaged with internal gear 3
Transmission；External gear 4 connects power transmission shaft 5, power transmission shaft 5 and motor connection, so that motor drives external gear 4 to rotate by power transmission shaft 5,
And then drive hollow tungsten electrode 2 to rotate.Drive mechanism uses meshed transmission gear structure type, and it is power source to use motor, passes
Dynamic stability, speed is adjustable, simple structure, designs ingenious, can effectively simplify welding gun structure, reduces production cost.Certainly, driving machine
The structure of structure can realize other of the rotation of hollow tungsten electrode 2 in the prior art including but not limited to the structure type of the present embodiment
Structure type is all in the range of drive mechanism covers.
In addition, the end of hollow tungsten electrode 2 connects conducting element 7 by bearing, conducting element 7 is used to connect external control circuit,
Hollow tungsten electrode can be made to connect electricity by conducting element 7, conducting element 7 is connected away from one end of hollow tungsten electrode 2 with wire-feeding pipe 8, and welding wire 9 passes through
Wire-feeding pipe 8 is sent into hollow tungsten electrode 2 by conducting element 7, and is stretched out from the front end of hollow tungsten electrode 2.Using bearing by the He of conducting element 7
Hollow tungsten electrode 2 is connected, it is ensured that hollow tungsten electrode 2 can normally rotate, and does not influence to connect electricity and wire feed function.
During welding, welding gun switches on power, while the electric motor starting of drive mechanism, hollow tungsten electrode 2 is driven with relatively low rotating speed
Rotate, after the completion of the starting the arc of hollow tungsten electrode 2, open wire feeder, welding wire 9 is passed in wire-feeding pipe 8 by wire-feed motor, entered back into hollow
Preheated in tungsten electrode 2, then stretched out from the front end of hollow tungsten electrode 2 and welded.In welding process, can be according to hollow tungsten electrode
The rotating speed and wire feed rate of 2 temperature adjustment motor, so that change the rotating speed of hollow tungsten electrode 2 and the wire feed rate of welding wire, with full
Foot difference welding process requirement.
Embodiment 2
A kind of rotation tungsten electrode heating wire TIG welding gun of the present embodiment, structure is substantially the same manner as Example 1, and difference is：
The front end external diameter of described hollow tungsten electrode 2 be gradually reduced it is tapered so that hollow tungsten electrode 2 tip product it is smaller, hollow
On the premise of tungsten electrode 2 rotates, the intensity of electric arc is further improved, improve welding quality.
Schematically the utility model and embodiments thereof are described above, the description does not have restricted, accompanying drawing
Shown in be also one of implementation method of the present utility model, actual structure is not limited thereto.So, if this area
Those of ordinary skill enlightened by it, do not departing from the case that the utility model creates objective, designed without creative
The frame mode similar to the technical scheme and embodiment, all should belong to protection domain of the present utility model.
Claims (7)
- It is 1. a kind of to rotate tungsten electrode heating wire TIG welding gun, including gun body (1) and hollow tungsten electrode (2), it is characterised in that：Described is hollow Tungsten electrode (2) is rotatably arranged in gun body (1) by bearing (6).
- 2. one kind according to claim 1 rotates tungsten electrode heating wire TIG welding gun, it is characterised in that：Described bearing (6) has 2, in the interior interval setting along its length of gun body (1), hollow tungsten electrode (2) is supported by 2 bearings (6) and is arranged on gun body (1) It is interior.
- 3. one kind according to claim 1 and 2 rotates tungsten electrode heating wire TIG welding gun, it is characterised in that：Described hollow tungsten electrode (2) driven by drive mechanism and rotated.
- 4. one kind according to claim 3 rotates tungsten electrode heating wire TIG welding gun, it is characterised in that：Described drive mechanism bag Include internal gear (3), external gear (4) and motor；Described internal gear (3) is arranged on hollow tungsten electrode (2), external gear (4) with it is interior Gear (3) engaged transmission；Described motor drives external gear (4) by power transmission shaft (5).
- 5. one kind according to claim 1 rotates tungsten electrode heating wire TIG welding gun, it is characterised in that：Described hollow tungsten electrode (2) End wire-feeding pipe (8) is connected by conducting element (7), welding wire (9) is sent into hollow tungsten electrode (2) by wire-feeding pipe (8), and from rifle The front end of body (1) is stretched out.
- 6. one kind according to claim 5 rotates tungsten electrode heating wire TIG welding gun, it is characterised in that：Described hollow tungsten electrode (2) End and conducting element (7) between by bearing connect.
- 7. one kind according to claim 1 rotates tungsten electrode heating wire TIG welding gun, it is characterised in that：Described hollow tungsten electrode (2) Front end external diameter be gradually reduced it is tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621371088.9U CN206241447U (en) | 2016-12-14 | 2016-12-14 | One kind rotation tungsten electrode heating wire TIG welding gun |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621371088.9U CN206241447U (en) | 2016-12-14 | 2016-12-14 | One kind rotation tungsten electrode heating wire TIG welding gun |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332858A (en) * | 2018-11-28 | 2019-02-15 | 江苏科技大学 | A kind of hollow tungsten electrode profundity melts the welding method of TIG filler wire welding slab |
| CN109366042A (en) * | 2018-11-29 | 2019-02-22 | 东风商用车有限公司 | A kind of light-alloy welding wire surface processing unit |
| CN111230263A (en) * | 2020-03-24 | 2020-06-05 | 三河同飞制冷股份有限公司 | Intensive stainless steel tube bundle welding head, automatic welding system and method |
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2016
- 2016-12-14 CN CN201621371088.9U patent/CN206241447U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332858A (en) * | 2018-11-28 | 2019-02-15 | 江苏科技大学 | A kind of hollow tungsten electrode profundity melts the welding method of TIG filler wire welding slab |
| CN109332858B (en) * | 2018-11-28 | 2022-04-01 | 江苏科技大学 | Welding method for hollow tungsten ultra-high deep-melting TIG filler wire welding thick plate |
| CN109366042A (en) * | 2018-11-29 | 2019-02-22 | 东风商用车有限公司 | A kind of light-alloy welding wire surface processing unit |
| CN111230263A (en) * | 2020-03-24 | 2020-06-05 | 三河同飞制冷股份有限公司 | Intensive stainless steel tube bundle welding head, automatic welding system and method |
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