CN101890560B - Narrow-clearance heating wire TIG welding gun - Google Patents
Narrow-clearance heating wire TIG welding gun Download PDFInfo
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- CN101890560B CN101890560B CN2010102338442A CN201010233844A CN101890560B CN 101890560 B CN101890560 B CN 101890560B CN 2010102338442 A CN2010102338442 A CN 2010102338442A CN 201010233844 A CN201010233844 A CN 201010233844A CN 101890560 B CN101890560 B CN 101890560B
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Abstract
The invention discloses a narrow-clearance heating wire TIG welding gun, which comprises a welding gun angle swing device, a front air conveying protective device, a back protective gas hood device and a wire feeding device, wherein the front air conveying protective device is connected with the welding gun angle swing device; the wire feeding device and the back protective gas hood device are both connected with the shell of the welding gun angle swing device; the welding gun angle swing device comprises a step motor, a driving gear, a transitional gear, an angle swing gear and an angle swing gun barrel; the driving gear is fixed on the output shaft of the step motor; the transitional gear is meshed with the driving gear and the angle swing gear respectively; the angle swing gun barrel is fixed in the center of the angle swing gear; and communicated water cooling pipes are arranged inside and outside the angle swing gun barrel. In the invention, the problems of preheating requirement of alloy material welding in automatic welding and severe environment of manual welding are solved; and by adopting a technical scheme of multi-path water cooling protection, welding wire heating, electric arc swinging, double gas protection and the like, the labor intensity of workers is lowered, the welding quality and efficiency are improved considerably, and the welding at all positions and fixed positions is realized.
Description
Technical field
The present invention relates to a kind of welding gun, especially relate to the heating wire TIG welding gun that a kind of narrow gap welding that is used for posted sides pipeline, valve and rotor uniform thickness walled workpieces connects, belong to the automatic welding technique field.
Background technology
In industries such as thermal power plant, nuclear power station, generating equipment manufacturing; Having a large amount of heavy wall alloy pipelines and the welding of associated components, because the specification of pipeline and associated components is numerous, all is to adopt welding manners such as submerged-arc welding, MIG/MAG and manual welding to carry out usually; Above-mentioned welding manner since bevel for welding open bigger; The metal of filling is many, so its heat input is big, and numerous alloy pipelines is because the price of material is all very high with the price of filling metal (welding wire); So welding quality and efficient all can not reach a high level, this becomes restriction producer and carries out the principal element that welding equipment is installed and made.
Summary of the invention
In order to overcome the deficiency of prior art, the object of the present invention is to provide and a kind ofly can effectively improve welding surroundings, reduce labor strength, heighten the narrow-clearance heating wire TIG welding gun of operating efficiency and product welding quality.
The present invention realizes through following technical scheme:
A kind of narrow-clearance heating wire TIG welding gun; Comprise welding gun angle swing device, the preceding protective device of supplying gas, back of the body protection gas hood device and wire feeder; Before the protective device of supplying gas be connected on the welding gun angle swing device; Wire feeder and back of the body protection gas hood device then are connected on the shell of welding gun angle swing device, wherein simultaneously:
Described welding gun angle swing device comprises: stepper motor, driving gear, transition gear, angle swing gear and angle swing barral of a gun; Driving gear is fixed on the output shaft of stepper motor; Transition gear respectively with driving gear and angle swing gears engaged; The angle swing barral of a gun is fixed in the center of angle swing gear, is respectively arranged with the water cooling tube of connection inside and outside it.
Further; Also be provided with water power in the upper end of above-mentioned angle swing barral of a gun and do not have wind; It comprises that a mandrel and is arranged on the outside axle sleeve of mandrel; And on axle sleeve, also be respectively arranged with the first water inlet joint and the first water return outlet joint, the first water inlet joint is connected with the two ends of the first water return outlet joint respectively at first water cooling tube inside and outside the above-mentioned angle swing barral of a gun, forms the but circulatory system of first water-cooled.
And,, and all be provided with the O RunddichtringO between mandrel and the angle swing gear between the first water inlet joint and the mandrel, between the first water return outlet joint and the mandrel.
The protective device of supplying gas before above-mentioned comprises: preceding protection tracheae, nozzle and fixed block, and preceding protection tracheae is arranged on the outside of angle swing barral of a gun, with the coaxial setting of angle swing barral of a gun; And the bottom of nozzle and preceding protection tracheae is connected, and all is fixed on the fixed block, and the top of fixed block connects a water-cooled piece; The water-cooled piece is fixed on the seat of angle; The angle seat then is fixedly connected with welding gun angle swing device, in addition, and at inside and outside second water cooling tube that also is respectively arranged with connection of preceding protection tracheae; Its two ends respectively be arranged on the water-cooled piece in the second water inlet joint be connected with the second water return outlet joint, form the but circulatory system of second water-cooled.
Above-mentioned back of the body protection gas hood device comprises: rack-and-pinion elevating mechanism and back of the body protection gas hood; The rack-and-pinion elevating mechanism is fixed on the shell of above-mentioned welding gun angle swing device through fixed head; Back of the body protection gas hood then is fixed on rack-and-pinion elevating mechanism below through a contiguous block; Back of the body protection gas hood top is provided with the 3rd water inlet joint and the 3rd water return outlet joint; Two ends are arranged on the inwall of back of the body protection gas hood with the 3rd water cooling tube that the 3rd water inlet joint is connected with the 3rd water return outlet joint, form the but circulatory system of the 3rd water-cooled, and also are provided with two-way back of the body protection air inlet on the top of back of the body protection gas hood.
Above-mentioned wire feeder comprises: heated filament conductive seat, wire-feeding pipe and wire feed holder; The wire feed holder is fixed on the shell of welding gun angle swing device through the holder on its top; The heated filament conductive seat is fixed on top one end of wire feed holder, and itself and heated filament cable link together, and wire-feeding pipe is an one with the soldering of heated filament conductive seat then; And be fixed on the wire feed holder; Its lower end is a wire feeding mouth, in addition, also is provided with the 4th water inlet joint and the 4th water return outlet joint on the top of wire feed holder; The 4th water cooling tube that two ends are connected with the 4th water inlet joint and the 4th water return outlet joint respectively is distributed in both sides inside and outside the wire feed holder, forms the but circulatory system of the 4th water-cooled.
The invention has the beneficial effects as follows: the welding requirements preheating and the very abominable problem of manual welding welding surroundings that the invention solves alloy material in the automation welding between thick-walled pipe and the heavy wall workpiece; And the present invention is through adopting technical schemes such as the protection of multichannel water-cooled, welding wire heating, electric arc swing and two gas shields; Greatly reduce working strength of workers; Welding quality and efficient are greatly improved, and can realize the welding of full position and fixed position fully.
Description of drawings
Fig. 1 is the overall structure sketch map of one embodiment of the invention;
Fig. 2 is the vertical view of one embodiment of the invention;
Fig. 3 is that the A of Fig. 2 is to cutaway view;
Fig. 4 is that the B of Fig. 2 is to cutaway view;
Fig. 5 is the I portion enlarged diagram of Fig. 4;
Fig. 6 is that the C of Fig. 2 is to cutaway view;
Fig. 7 is that the D of Fig. 6 is to cutaway view;
Fig. 8 is the structural representation of the protective device of supplying gas before of the present invention;
Fig. 9 is the structural representation one of back of the body protection gas hood device of the present invention;
Figure 10 is the structural representation two of back of the body protection gas hood device of the present invention;
Figure 11 is the structural representation one of wire feeder of the present invention;
Figure 12 is the structural representation two of wire feeder of the present invention;
Figure 13 is that the E of Figure 12 is to cutaway view.
Main Reference numeral implication is among the figure:
100, shell 11, the water power of welding gun angle swing device do not have wind 101, stepper motor
102, driving gear 103, transition gear 104, angle swing gear
105, angle swing barral of a gun 106, mandrel 107, axle sleeve
108, the first water inlet joint 109, the first water return outlet joint
110, the outside water cooling tube 111 of angle swing barral of a gun, the inner water cooling tube 112 of angle swing barral of a gun, O RunddichtringO
201, preceding protection tracheae 202, nozzle 203, fixed block
204, water-cooled piece 205, angle seat
206, the second water inlet joint 207, the second water return outlet joint
301, rack-and-pinion elevating mechanism 302, back of the body protection gas hood 303, fixed head
304, contiguous block 305, the 3rd water inlet joint 306, the 3rd water return outlet joint
307, back of the body protection air inlet 401, heated filament conductive seat 402, wire-feeding pipe
403, wire feed holder 405, holder 406, wire feeding mouth
407, the 4th water inlet joint 408, the 4th water return outlet joint
409, wire feeder water inlet 410, wire feeder water return outlet
The specific embodiment
To combine accompanying drawing below, specify the specific embodiment of the present invention:
Fig. 1 is the overall structure sketch map of one embodiment of the invention; Fig. 2 is the vertical view of one embodiment of the invention; Fig. 3 is that the A of Fig. 2 is to cutaway view; Fig. 4 is that the B of Fig. 2 is to cutaway view; Fig. 5 is the I portion enlarged diagram of Fig. 4.
Extremely shown in Figure 5 like Fig. 1: narrow-clearance heating wire TIG welding gun; Comprise welding gun angle swing device, the preceding protective device of supplying gas, back of the body protection gas hood device and wire feeder; Before the protective device of supplying gas be connected on the welding gun angle swing device; Wire feeder and back of the body protection gas hood device then are connected on the shell 100 of welding gun angle swing device, wherein simultaneously:
Described welding gun angle swing device comprises: stepper motor 101, driving gear 102, transition gear 103, angle swing gear 104 and angle swing barral of a gun 105; Driving gear 102 is fixed on the output shaft of stepper motor 101; Transition gear 103 meshes with driving gear 102 and angle swing gear 104 respectively; Angle swing barral of a gun 105 is fixed in the center of angle swing gear 104, is respectively arranged with first water cooling tube of connection inside and outside it, i.e. outside water cooling tube 110 of angle swing barral of a gun and the inner water cooling tube 111 of angle swing barral of a gun.
In addition; Also be provided with water power in the upper end of above-mentioned angle swing barral of a gun 105 and do not have wind 11; It comprises that a mandrel 106 and is arranged on the axle sleeve 107 of mandrel 106 outsides; And on axle sleeve 107, also be respectively arranged with the first water inlet joint 108 and the first water return outlet joint, 109, the first water inlet joints 108 and be connected, form the but circulatory system of first water-cooled with the two ends of the first water return outlet joint 109 respectively at first water cooling tube inside and outside the above-mentioned angle swing barral of a gun 105; Between the first water inlet joint 108 and the mandrel 106, between the first water return outlet joint 109 and the mandrel 106, and all be provided with O RunddichtringO 112 between mandrel 106 and the angle swing gear 104.
Welding gun angle swing device is to drive driving gear 102 by stepper motor 101, is transferred to angle swing gear 104 through transition gear 103 again, realizes the angle swing spinfunction of welding gun barral of a gun 105; In addition; The first water-cooled but circulatory system is to flow at the first water inlet joint, 108 places, and stream is through the outside water cooling tube 110 of angle swing barral of a gun, again through the inner water cooling tube 111 of angle swing barral of a gun; Turn back to the first water return outlet joint 109; Realized the water circulation that welding gun is inner, the defective that the water power circuit twines when also having solved the welding gun angle swing has simultaneously improved the hear resistance of welding gun and the arcing time factor of welding gun greatly.
Fig. 6 is that the C of Fig. 2 is to cutaway view; Fig. 7 is that the D of Fig. 6 is to cutaway view; Fig. 8 is the structural representation of the protective device of supplying gas before of the present invention.
Extremely shown in Figure 8 like Fig. 6: protection tracheae 201, nozzle 202 and fixed block 203 before the preceding protective device of supplying gas comprises; Preceding protection tracheae 201 is arranged on the outside of angle swing barral of a gun 105, and with the 105 coaxial settings of angle swing barral of a gun, and nozzle 202 is connected with the bottom of preceding protection tracheae 201; And all be fixed on the fixed block 203; The top of fixed block 203 connects a water-cooled piece 204, and water-cooled piece 204 is fixed on the angle seat 205, and angle seat 205 then is fixedly connected with welding gun angle swing device; In addition; At inside and outside second water cooling tube that also is respectively arranged with connection of preceding protection tracheae 201, its two ends respectively be arranged on water-cooled piece 204 in the second water inlet joints 206 be connected with the second water return outlet joint 207, form the but circulatory system of second water-cooled.
Before supply gas protective device for the weldering welding gun front protecting gas is provided; Through water-cooled piece 204, second water cooling tube inside and outside nozzle 202 flow back into the second water return outlet joint, 207 places to current again by the second water inlet joint 206; Realize water cycle process; Thereby nozzle 202 has been realized water-cooled but, effectively avoided the temperature of heat radiation on nozzle 202 in the welding process, the service life of having improved welding gun greatly.
Fig. 9 is the structural representation one of back of the body protection gas hood device of the present invention; Figure 10 is the structural representation two of back of the body protection gas hood device of the present invention.
Like Fig. 9 and shown in Figure 10: back of the body protection gas hood device comprises rack-and-pinion elevating mechanism 301 and back of the body protection gas hood 302; Rack-and-pinion elevating mechanism 301 is fixed on the shell 100 of above-mentioned welding gun angle swing device through fixed head 303; Back of the body protection gas hood 302 then is fixed on rack-and-pinion elevating mechanism 301 belows through a contiguous block 304; Realize the oscilaltion function through manual gear tooth bar elevating mechanism 301; Back of the body protection gas hood 302 tops are provided with the 3rd water inlet joint 305 and the 3rd water return outlet joint 306; Two ends are arranged on the inwall of back of the body protection gas hood 302 with the 3rd water cooling tube that the 3rd water inlet joint 305 is connected with the 3rd water return outlet joint 306, form the but circulatory system of the 3rd water-cooled, and also are provided with two-way back of the body protection air inlet 307 on the top of back of the body protection gas hood 302.
The 3rd above-mentioned water-cooled but circulatory system refers to: current flow into from the 3rd water inlet joint 305; Flow out from the 3rd water return outlet joint 306; Because the 3rd water cooling tube outer wall in the back of the body protection gas hood 302 is close to the inwall of back of the body protection gas hood 302, therefore, inferior water cooling system greatly reduces the temperature that heat radiation produces back of the body protection gas hood 302 surfaces in the welding process; And back of the body protection gas hood 302 feeds back of the body protective gas by two-way back of the body protection air inlet 307, has effectively guaranteed the face of weld Forming Quality.
Figure 11 is the structural representation one of wire feeder of the present invention; Figure 12 is the structural representation two of wire feeder of the present invention; Figure 13 is that the E of Figure 12 is to cutaway view.
Shown in Figure 11 to 13: wire feeder comprises heated filament conductive seat 401, wire-feeding pipe 402 and wire feed holder 403; Wire feed holder 403 is fixed on the shell 100 of welding gun angle swing device through the holder 405 on its top, and heated filament conductive seat 401 is fixed on top one end of wire feed holder 403, and itself and heated filament cable link together; Wire-feeding pipe 402 is an one with 401 solderings of heated filament conductive seat then; And be fixed on the wire feed holder 403, its lower end is a wire feeding mouth 406, through the energising to the heated filament cable; Thereby realize heating to welding wire; Improve the cladding efficient of welding greatly, in addition, also be provided with the 4th water inlet joint 407 and the 4th water return outlet joint 408 on the top of wire feed holder 403; Two ends are distributed in wire feed holder 403 inside and outside both sides with the 4th water cooling tube that the 4th water inlet joint 407 and the 4th water return outlet joint 408 are connected respectively, form the but circulatory system of the 4th water-cooled.
The 4th water-cooled but circulatory system refers to: current flow into from the 4th water inlet joint 407; Through wire feeder water inlet 409, and the 4th water cooling tube of wire feed holder 403 inside and outside both sides, then through wire feeder water return outlet 410; And the 4th water return outlet joint 408 outflows; Form water circulation system, realize water-cooled, effectively avoided the temperature of heat radiation on wire feed holder 403 in the welding process wire feed holder 403.
The course of work of the present invention is: at first, feed protective gas in the nozzle 202 with the present invention energising, and when welding in the weld metal position; Welding wire is heated fusing and enters the people molten bath, and along with the continuous consumption of welding wire, wire feeder is sent welding wire to and kept arc stability with suitable speed; Because electric arc has the swing function; So can cooperate narrow gap groove, obtain the weld seam of satisfied shape, realize that narrow gap welding connects; When welding process is accomplished, should cut off welding current, wire feeder power supply and protective gas.
The present invention has improved welding quality and welding efficiency greatly through welding gun angle swing device, two-way gas shield mechanism, many water-cooleds but circulatory system and the heated wire feeder of welding wire are set.
Below disclose the present invention with preferred embodiment, so it is not in order to restriction the present invention, and all employings are equal to replacement or the technical scheme that obtained of equivalent transformation mode, all drop within protection scope of the present invention.
Claims (5)
1. narrow-clearance heating wire TIG welding gun; Comprise welding gun angle swing device, the preceding protective device of supplying gas, back of the body protection gas hood device and wire feeder; Before the protective device of supplying gas be connected on the welding gun angle swing device; Wire feeder and back of the body protection gas hood device then are connected on the shell of welding gun angle swing device, wherein simultaneously:
Described welding gun angle swing device comprises: stepper motor, driving gear, transition gear, angle swing gear and angle swing barral of a gun; Driving gear is fixed on the output shaft of stepper motor; Transition gear respectively with driving gear and angle swing gears engaged, the angle swing barral of a gun is fixed in the center of angle swing gear, is respectively arranged with first water cooling tube of connection inside and outside it; It is characterized in that; Also being provided with water power in the upper end of above-mentioned angle swing barral of a gun does not have wind, and it comprises that a mandrel and is arranged on the outside axle sleeve of mandrel, and on axle sleeve, also is respectively arranged with the first water inlet joint and the first water return outlet joint; The first water inlet joint and the first water return outlet joint respectively with above-mentioned angle swing barral of a gun inside and outside the two ends of water cooling tube be connected, form the but circulatory system of first water-cooled.
2. narrow-clearance heating wire TIG welding gun according to claim 1 is characterized in that: between the first water inlet joint and the mandrel, between the first water return outlet joint and the mandrel, and all be provided with the O RunddichtringO between mandrel and the angle swing gear.
3. narrow-clearance heating wire TIG welding gun according to claim 1 is characterized in that: the protective device of supplying gas before described comprises: preceding protection tracheae, nozzle and fixed block, and preceding protection tracheae is arranged on the outside of angle swing barral of a gun; With the coaxial setting of angle swing barral of a gun; And the bottom of nozzle and preceding protection tracheae is connected, and all is fixed on the fixed block, and the top of fixed block connects a water-cooled piece; The water-cooled piece is fixed on the seat of angle; The angle seat then is fixedly connected with welding gun angle swing device, in addition, and at inside and outside second water cooling tube that also is respectively arranged with connection of preceding protection tracheae; Its two ends respectively be arranged on the water-cooled piece in the second water inlet joint be connected with the second water return outlet joint, form the but circulatory system of second water-cooled.
4. narrow-clearance heating wire TIG welding gun according to claim 1; It is characterized in that: described back of the body protection gas hood device comprises: rack-and-pinion elevating mechanism and back of the body protection gas hood; The rack-and-pinion elevating mechanism is fixed on the shell of above-mentioned welding gun angle swing device through fixed head; Back of the body protection gas hood then is fixed on rack-and-pinion elevating mechanism below through a contiguous block; Back of the body protection gas hood top is provided with the 3rd water inlet joint and the 3rd water return outlet joint; Two ends are arranged on the inwall of back of the body protection gas hood with the 3rd water cooling tube that the 3rd water inlet joint is connected with the 3rd water return outlet joint, form the but circulatory system of the 3rd water-cooled, and also are provided with two-way back of the body protection air inlet on the top of back of the body protection gas hood.
5. narrow-clearance heating wire TIG welding gun according to claim 1; It is characterized in that: described wire feeder comprises: heated filament conductive seat, wire-feeding pipe and wire feed holder, and the wire feed holder is fixed on the shell of welding gun angle swing device through the holder on its top, and the heated filament conductive seat is fixed on top one end of wire feed holder; Heated filament conductive seat and heated filament cable link together; Wire-feeding pipe is an one with the soldering of heated filament conductive seat then, and is fixed on the wire feed holder, and the wire-feeding pipe lower end is a wire feeding mouth; In addition; Also be provided with the 4th water inlet joint and the 4th water return outlet joint on the top of wire feed holder, the 4th water cooling tube that two ends are connected with the 4th water inlet joint and the 4th water return outlet joint respectively is distributed in both sides inside and outside the wire feed holder, forms the but circulatory system of the 4th water-cooled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102338442A CN101890560B (en) | 2010-07-22 | 2010-07-22 | Narrow-clearance heating wire TIG welding gun |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102338442A CN101890560B (en) | 2010-07-22 | 2010-07-22 | Narrow-clearance heating wire TIG welding gun |
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| CN101890560A CN101890560A (en) | 2010-11-24 |
| CN101890560B true CN101890560B (en) | 2012-10-31 |
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| CN2010102338442A Active CN101890560B (en) | 2010-07-22 | 2010-07-22 | Narrow-clearance heating wire TIG welding gun |
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| CN102528248A (en) * | 2011-11-08 | 2012-07-04 | 上海交通大学 | Narrow-gap tungsten inert gas (TIG) welding gun |
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| CN113894394A (en) * | 2021-11-03 | 2022-01-07 | 青岛普瑞斯英工业自动化有限公司 | Rotatable welding gun |
| CN116275413B (en) * | 2023-03-15 | 2023-12-05 | 哈尔滨工业大学 | Narrow-gap GTAW welding gun capable of synchronously swinging wire arcs |
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Application publication date: 20101124 Assignee: Kunshan Huaheng Welding Co., Ltd. Assignor: Kunshan Huaheng Engineering Technology Center Co., Ltd. Contract record no.: 2013320000219 Denomination of invention: Narrow-clearance heating wire TIG welding gun Granted publication date: 20121031 License type: Exclusive License Record date: 20130322 |
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