CN114769802A - Ultra-narrow gap welding gun suitable for feeding type flux piece restraining electric arc - Google Patents
Ultra-narrow gap welding gun suitable for feeding type flux piece restraining electric arc Download PDFInfo
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- CN114769802A CN114769802A CN202210514595.7A CN202210514595A CN114769802A CN 114769802 A CN114769802 A CN 114769802A CN 202210514595 A CN202210514595 A CN 202210514595A CN 114769802 A CN114769802 A CN 114769802A
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- 238000003466 welding Methods 0.000 title claims abstract description 156
- 230000004907 flux Effects 0.000 title claims abstract description 122
- 230000000452 restraining effect Effects 0.000 title claims abstract description 11
- 238000010891 electric arc Methods 0.000 title abstract description 5
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 230000009471 action Effects 0.000 claims abstract description 6
- 230000001360 synchronised effect Effects 0.000 claims description 29
- 238000003825 pressing Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229910000679 solder Inorganic materials 0.000 description 22
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
Abstract
The invention discloses a feeding type flux piece restraining electric arc ultra-narrow gap welding gun which comprises a welding gun body, a transmission device, a welding wire and a flux belt, wherein the flux belt comprises two rows of symmetrically arranged flux pieces, and the ends of the two rows of flux pieces are connected through a bonding spring; when the welding wire is fed, the transmission device drives the welding flux belt to move together; when the welding wire and the welding flux belt move to the bottom end of the welding gun body respectively, the welding wire is embedded between two rows of welding flux sheets under the action of external force. The driving force of the automatic feeding of the welding wire is converted into a power source for conveying the welding flux belt through the transmission device, so that the welding efficiency is improved; two columns of welding flux sheets are connected through the bonding spring, so that the deformability of the welding flux belt is enhanced, the conveying of the welding flux belt is more stable, and the welding quality is guaranteed.
Description
Technical Field
The invention relates to an ultra-narrow gap welding gun suitable for a feeding type flux piece restraining electric arc, and belongs to the technical field of ultra-narrow gap welding.
Background
In recent years, narrow gap welding is widely applied to industrial production as an efficient and energy-saving welding technology. The groove gap of narrow gap welding is smaller than that of the traditional groove gap, and welding material filling and welding heat input are effectively reduced. But the problem of poor sidewall fusion tends to occur in narrow gap welding.
Due to the fact that the width of the ultra-narrow gap is generally below 6mm, electric arcs can directly act on two side walls of the groove without rotating or swinging a welding wire in the welding process, and the problem of poor fusion of the side walls in the narrow gap welding technology is successfully solved.
However, the existing flux piece constrained arc ultra-narrow gap welding adopts a mode of presetting the flux piece in a gap groove, so that the operation is inconvenient, the welding efficiency is not high, the flux piece is remained after welding, the slag removal is often difficult, and the structure of the flux piece has great influence on the welding seam quality. Therefore, the flux piece restricts the feeding of the flux piece and the matching between the flux piece and the feeding speed of the welding wire when the electric arc is welded in an ultra-narrow gap, and the design of the structure of the flux piece is an important problem to be solved at present.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides the ultra-narrow gap welding gun suitable for the feeding type flux sheet restraining arc, and improves the welding efficiency by converting the driving force of the automatic feeding of the welding wire into a power source for conveying a flux belt through a transmission device; through two columns of welding flux pieces of bonding spring coupling for the deformability of welding flux area strengthens, and the transport of welding flux area is more steady, has guaranteed welding quality.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
the invention provides a welding gun with ultra-narrow gap of restraining arc suitable for feeding type flux film, which comprises a welding gun body, a transmission device, a welding wire and a flux belt,
the transmission device comprises a first gear, a second gear, a wire feeding driving wheel, a synchronous belt pulley and a synchronous belt, wherein the wire feeding driving wheel is fixedly connected with the second gear, the second gear is meshed and connected with the first gear, the first gear is fixedly connected with the synchronous belt pulley, and the synchronous belt pulley is connected with the synchronous belt in a transmission manner; the welding wire is connected with a wire feeding driving wheel, and the welding flux belt is connected with a synchronous belt;
the welding flux belt comprises two rows of symmetrically arranged welding flux sheets, and the end parts of the two rows of welding flux sheets are connected through bonding springs;
when the welding wire is fed, the transmission device drives the welding flux belt to move together; when the welding wire and the welding flux belt move to the bottom end of the gun body of the welding gun respectively, the welding wire is embedded between two rows of welding flux sheets under the action of external force.
The welding wire stressing device comprises a pressing wheel, a second stressing spring and a second fixed block;
one end of the second stress application spring is abutted against the pressing wheel, and the other end of the second stress application spring is abutted against the second fixed block; one side of the welding wire is connected with the wire feeding driving wheel in an abutting mode, and the other side of the welding wire is connected with the pressing wheel in an abutting mode;
furthermore, a groove is formed in the periphery of the wire feeding driving wheel, and the welding wire is embedded in the groove.
Further, the flux belt stressing device comprises a stressing bearing, a stressing plate, a stressing connecting rod, a first stressing spring and a first fixing block,
one end of the first stress application spring is abutted against the stress application connecting rod, and the other end of the first stress application spring is abutted against the first fixed block;
the boosting connecting rod is connected with a boosting plate, a boosting bearing is arranged on the boosting plate, and the boosting bearing is abutted to the flux belt.
Furthermore, one side of each welding flux sheet is provided with an arc section, and the bonding spring is positioned between the arc sections of the two rows of welding flux sheets.
Further, the wire feeding driving wheel and the second gear rotate coaxially, and the synchronous belt wheel and the first gear rotate coaxially.
Further, the welding gun body comprises a conductive plate, a conductive nozzle and a welding flux strip guide rail,
the welding wire sequentially penetrates through the current conducting plate and the contact nozzles and is arranged in the interval between the two rows of welding flux sheets.
Further, the current conducting plate is installed in an interference fit mode with the current conducting nozzle.
Compared with the prior art, the invention has the following beneficial effects:
the welding wire feeding driving device mainly utilizes the welding wire feeding driving force which is used as the welding flux belt feeding driving force through the mechanical transmission device, so that the welding efficiency is improved; in the design of the flux belt, the deformability of the flux belt is enhanced due to the introduction of the bonding spring, and fine adjustment can be made according to the shape of the flux belt guide rail and the conveying condition of the flux belt in the welding process, so that the conveying of the flux belt is more stable during welding, and the welding quality is ensured.
According to the invention, the feeding speed ratio between the flux belt and the welding wire can be changed by adjusting the gear ratio of the first gear and the second gear, so that the degree of constraint of the flux belt on the welding arc is changed.
The welding wire force applying device and the flux belt force applying device are additionally arranged, and power is further provided by improving the friction force, so that the welding efficiency is improved; and the welding wire force-applying device and the flux belt force-applying device can adjust the applied pressure at any time according to the welding working condition, and the applicability is wide.
Drawings
FIG. 1 is a schematic diagram of a torch suitable for use in a feed flux sheet confined arc ultra narrow gap torch;
FIG. 2 is a bottom end view of a torch body;
FIG. 3 is a cross-sectional view of a solder strip;
in the figure: 1. a first gear; 2. welding wires; 3. a thrust bearing; 4. a flux band; 5. a concentric drive link; 6. a gusset plate; 7. a first urging spring; 8. a synchronous pulley; 9. a synchronous belt; 10. a wire feeding driving wheel; 11. a second gear; 12. a second urging spring; 13. a pinch roller; 14. a stress application connecting rod; 15. a conductive plate; 16. the flux is provided with a guide rail; 17. a contact tip; 18. a flux sheet; 19. bonding a spring; 20. a first fixed block; 21. a second fixed block; 22. a third fixed block; 23. the belt wheel is fixed.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Examples
The embodiment provides a flux sheet restraining arc ultra-narrow gap welding gun suitable for a feed type flux sheet restraining arc, as shown in figure 1, comprising a gun body, a transmission device, a welding wire 2 and a flux belt 4,
the transmission device comprises a first gear 1, a second gear 11, a wire feeding driving wheel 10, a synchronous belt wheel 8 and a synchronous belt 9, wherein the wire feeding driving wheel 10 is fixedly connected with the second gear 11, the second gear 11 is meshed and connected with the first gear 1, the first gear 1 is fixedly connected with the synchronous belt wheel 8, and the synchronous belt wheel 8 is in transmission connection with the synchronous belt 9; the welding wire 2 is connected with a wire feeding driving wheel 10, and the flux belt 4 is connected with a synchronous belt 9;
the solder strip 4 comprises two rows of symmetrically arranged solder pieces 18, and the ends of the two rows of solder pieces 18 are connected through a bonding spring 19;
when the welding wire 2 is fed, the transmission device drives the welding flux belt 4 to move together; when the welding wire 2 and the flux belt 4 move to the bottom end of the gun body of the welding gun respectively, the welding wire 2 is embedded between two rows of flux pieces 18 under the action of external force.
The technical conception of the invention is that the driving force of the automatic feeding of the welding wire 2 is converted into the power source conveyed by the welding flux belt 4 through the transmission device, thereby improving the welding efficiency; the two columns of the flux sheets 18 are connected through the bonding springs 19, so that the deformability of the flux belt 4 is enhanced, the flux belt 4 is conveyed more stably, and the welding quality is ensured.
Specifically, the wire feeding driving wheel 10 rotates coaxially with the second gear 11, and the synchronous pulley 8 rotates coaxially with the first gear 1. When the welding wire 2 is automatically fed, the wire feeding driving wheel 10 and the second gear 11 are driven to rotate together, and the second gear 11 transmits the driving force of the automatic feeding of the welding wire 2 to the first gear 1, so that the first gear 1 and the synchronous belt wheel 8 are driven to rotate together. The synchronous belt 9 in this embodiment is tightly attached to the flux belt 4, and when the synchronous pulley 8 rotates, the synchronous belt 9 and the flux belt 4 are driven to be conveyed downwards together, so that the driving force for automatically feeding the welding wire 2 is converted into the power source for conveying the flux belt 4. Wire 2 was H08Mn2Si, 1.2mm in diameter.
Wherein, synchronous pulley 8 is connected with first gear 1 through concentric transfer line 5, and hold-in range 9 is followed synchronous pulley 8 and fixed pulley 23 and is carried out the transmission. The fixed pulley 23 may be disposed on a housing of an associated device, or may be disposed on an external stable plane, without limitation, as long as the stability of the fixed pulley 23 is ensured.
It is emphasized that the second gear 11 is meshed with the first gear 1, and the ratio of the feeding speed between the flux belt 4 and the welding wire 2 can be changed by adjusting the gear ratio of the first gear 1 and the second gear 11, so as to change the degree of constraint of the flux belt 4 on the welding arc. By finding the optimum feed speed ratio, effective confinement of the flux sheet 18 to the arc is achieved, resulting in a quality weld joint.
The welding gun further comprises a welding wire 2 force applying device, wherein the welding wire 2 force applying device comprises a pressing wheel 13, a second force applying spring 12 and a second fixed block 21;
one end of the second force application spring 12 is abutted against the pressing wheel 13, and the other end is abutted against the second fixed block 21; one side of the welding wire 2 is abutted against the wire feeding driving wheel 10, and the other side is abutted against the pinch roller 13.
Specifically, the wire feeding driving wheel 10 has a groove around the wire feeding driving wheel, and the welding wire 2 is embedded in the groove. The V-shaped groove is selected for the groove of the embodiment, and a U-shaped groove or other types of grooves can be selected according to actual requirements.
When the welding wire 2 is fed, one side contacts with the groove on the periphery of the wire feeding driving wheel 10, and the other side contacts with the pressing wheel 13. The friction force between the welding wire 2 and the pressing wheel 13 and the wire feeding driving wheel 10 is increased through the second force spring 12, and a part of power is provided for the feeding of the flux belt 4.
The second fixing block 21 may be disposed on a housing of the related device, or may be disposed on an external stable plane, which is not limited herein, as long as the stability of the second fixing block 21 is ensured.
The welding gun also comprises a flux belt force-applying device, the flux belt force-applying device comprises a force-applying bearing 3, a force-applying plate 6, a force-applying connecting rod 14, a first force-applying spring 7 and a first fixed block 20,
one end of the first stress application spring 7 is abutted against the stress application connecting rod 14, and the other end is abutted against the first fixed block 20;
the stressing plate 6 is connected with the stressing connecting rod 14 through a hinge, the stressing bearing 3 is fixed on the stressing plate 6 through a bolt, and the stressing bearing 3 is abutted against the flux belt 4.
Under the elastic force action of the first stress spring 7, the friction force between the flux belt 4 and the stress bearing 3 and the synchronous belt 9 is increased, so that on one hand, the conveying stability of the flux belt 4 is ensured, on the other hand, the driving force for automatically feeding the welding wire 2 can be better converted into the power source for conveying the flux belt 4, and the welding efficiency is improved.
Specifically, one end of the stressing connecting rod 14 is connected with the third fixing block 22, and the other end is connected with the stressing plate 6. The end of the first urging spring 7 is provided at the end of the urging link 14 close to the urging plate 6.
The first fixing block 20 or the third fixing block 22 may be disposed on a housing of the related device, or may be disposed on an external stable plane, which is not limited herein, as long as the stability of the first fixing block 20 or the third fixing block 22 is ensured.
The elasticity of the first force application spring 7 or the second force application spring 12 can be adjusted at any time according to the welding working condition, so that the adjustment of the friction force is realized, and the transmission is more stable.
As shown in fig. 1 to 3, the solder strip 4 in the present embodiment includes a bonding spring 19 and a plurality of solder patches 18, wherein the plurality of solder patches 18 are sequentially arranged to form two rows of symmetrically arranged solder patches 18, and one side of the solder patches 18 is provided with a circular arc section, and the bonding spring 19 is located between the circular arc sections of the two rows of solder patches 18.
In the present embodiment, the solder sheet 18 and the bonding spring 19 are connected by an adhesive, preferably polyimide.
The welding gun body comprises a conductive plate 15, a contact tip 17 and a flux strip guide rail 16, wherein the contact tip 17 is arranged at the lower end of the conductive plate 15, the flux strip guide rail 16 is movably connected with a flux strip 4, and a welding wire 2 sequentially penetrates through the conductive plate 15 and the contact tip 17 and is arranged in an interval between two rows of flux sheets 18.
Specifically, the conductive plate 15 is installed in an interference fit with the contact tip 17, that is, the opening at the lower end of the conductive plate 15 is smaller than the size of the contact tip 17. After the contact tip 17 and the conductive plate 15 are assembled, a clamping force is restored to the contact tip 17 by the deformation of the conductive plate 15, and the contact tip 17 is in closer contact with the welding wire 2 under the action of the clamping force, so that the reliability of electric conduction in the welding process is ensured.
The outer side of the conductive plate 15 and the guide rail 16 of the solder strip are both designed in an arc shape, and due to the introduction of the bonding spring 19, the solder strip 4 has great self-regulation capability in the conveying process and can adapt to the radians of the conductive plate 15 and the guide rail 16 of the solder strip.
A polytetrafluoroethylene tube used for insulation is further arranged in the current conducting plate 15, the lower end of the polytetrafluoroethylene tube is connected with the current conducting nozzle 17, and when the welding wire 2 is fed, the welding wire penetrates through the polytetrafluoroethylene tube in the current conducting plate 15 and enters the current conducting nozzle 17.
Under the cooperation of current conducting plate 15, contact tip 17 and solder flux area guide rail 16, because the interaction force between welding wire 2 and the solder flux area 4 for welding wire 2 is embedded in two intervals between the solder flux piece 18, and simultaneously, one side of contact tip 17 is equipped with solder flux area 4 alignment track, makes solder flux area 4 become to wrap up welding wire 2 by the slope is carried and is being sent into the weldment groove vertically, accomplishes the restraint to welding arc.
It is emphasized that in terms of the design of the solder strip 4, the solder pieces 18 are bonded together by an automatic bonding apparatus using the bonding springs 19 and the adhesive to produce the solder strip 4. Particularly, due to the introduction of the bonding spring 19, the deformability of the flux belt 4 is enhanced, fine adjustment can be made according to the shape of the guide rail and the conveying condition of the flux belt 4 in the welding process, the flux belt 4 is conveyed more stably in the welding process, and the welding quality is ensured.
Meanwhile, through the structural design of the welding flux sheet 18, the welding seam quality is improved. The original short circuit transition is more inclined to slag wall transition in the welding process, so that the splashing in the welding process is reduced, and the constraint of the flux piece 18 on the welding arc is strengthened. The flux belt 4 is also stopped at the end of the welding process, the remaining flux pieces 18 do not need to be cleaned after welding, and the welding process is simpler and more convenient to operate.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and those improvements and modifications should be considered as the protection scope of the present invention.
Claims (8)
1. A welding gun with ultra-narrow gap of arc restraining for flux sheet is composed of gun body, drive unit, welding wire (2) and flux belt (4),
the transmission device comprises a first gear (1), a second gear (11), a wire feeding driving wheel (10), a synchronous belt wheel (8) and a synchronous belt (9), wherein the wire feeding driving wheel (10) is fixedly connected with the second gear (11), the second gear (11) is meshed and connected with the first gear (1), the first gear (1) is fixedly connected with the synchronous belt wheel (8), and the synchronous belt wheel (8) is connected with the synchronous belt (9) in a transmission way; the welding wire (2) is connected with a wire feeding driving wheel (10), and the welding flux belt (4) is connected with a synchronous belt (9);
the flux belt (4) comprises two rows of symmetrically arranged flux pieces (18), and the ends of the two rows of flux pieces (18) are connected through bonding springs (19);
when the welding wire (2) is fed, the welding wire drives the welding flux belt (4) to move together through the transmission device; when the welding wire (2) and the welding flux belt (4) are respectively moved to the bottom end of the gun body of the welding gun, the welding wire (2) is embedded between two rows of welding flux sheets (18) under the action of external force.
2. The ultra-narrow gap welding gun adapted for the advanced flux sheet confined arc welding according to claim 1, further comprising a wire force-applying device, said wire force-applying device comprising a pinch roller (13), a second force spring (12) and a second fixed block (21);
one end of the second force application spring (12) is abutted against the pressing wheel (13), and the other end of the second force application spring is abutted against the second fixed block (21); one side of the welding wire (2) is connected with the wire feeding driving wheel (10) in an abutting mode, and the other side of the welding wire (2) is connected with the pressing wheel (13) in an abutting mode.
3. The ultra-narrow gap welding gun adapted for the flux sheet-fed confined arc welding according to claim 2, wherein the wire feed drive wheel (10) has a groove in its peripheral portion, and the welding wire (2) is fitted in the groove.
4. The flux sheet restraining arc ultra-narrow gap welding gun suitable for feeding according to claim 1, further comprising a flux belt force applying device comprising a force applying bearing (3), a force applying plate (6), a force applying link (14), a first force applying spring (7) and a first fixed block (20),
one end of the first stress application spring (7) is abutted against the stress application connecting rod (14), and the other end of the first stress application spring is abutted against the first fixed block (20);
the stress application connecting rod (14) is connected with a stress application plate (6), a stress application bearing (3) is arranged on the stress application plate (6), and the stress application bearing (3) is abutted to the flux belt (4).
5. The ultra-narrow gap welding gun adapted for the advanced flux sheet restraining arc according to claim 1, wherein one side of the flux sheet (18) is provided with a circular arc section, and the bonding spring (19) is located between the circular arc sections of the two rows of the flux sheets (18).
6. The ultra-narrow gap welding gun adapted for the flux sheet-fed arc confinement in accordance with claim 1, wherein the wire feed drive wheel (10) rotates coaxially with the second gear (11), and the timing pulley (8) rotates coaxially with the first gear (1).
7. The ultra-narrow gap welding gun adapted for the forward flux sheet constrained arc welding according to claim 1, wherein the gun body comprises a conductive plate (15), a contact tip (17), and a flux strip guide (16),
the welding flux strip is characterized in that the contact tip (17) is arranged at the lower end of the conducting plate (15), the flux strip guide rail (16) is movably connected with the flux strip (4), and the welding wire (2) sequentially penetrates through the conducting plate (15) and the contact tip (17) and is placed in the interval between two rows of flux pieces (18).
8. The torch adapted for use with a flux sheet confined arc ultra narrow gap as set forth in claim 7 wherein said conductive plate (15) is mounted in an interference fit with the contact tip (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210514595.7A CN114769802B (en) | 2022-05-12 | 2022-05-12 | Ultra-narrow gap welding gun suitable for feeding type welding flux sheet constraint arc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210514595.7A CN114769802B (en) | 2022-05-12 | 2022-05-12 | Ultra-narrow gap welding gun suitable for feeding type welding flux sheet constraint arc |
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| Publication Number | Publication Date |
|---|---|
| CN114769802A true CN114769802A (en) | 2022-07-22 |
| CN114769802B CN114769802B (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210514595.7A Active CN114769802B (en) | 2022-05-12 | 2022-05-12 | Ultra-narrow gap welding gun suitable for feeding type welding flux sheet constraint arc |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3576966A (en) * | 1967-03-27 | 1971-05-04 | Air Reduction | Arc-welding in narrow gap |
| CN102151955A (en) * | 2011-03-01 | 2011-08-17 | 兰州理工大学 | Ultra-narrow gap welding device and method for U-shaped flux strip constraining arc |
| CN102896399A (en) * | 2012-10-23 | 2013-01-30 | 兰州理工大学 | Super-narrow-gap electric arc welding device for butting steel rails |
| CN105478973A (en) * | 2016-01-28 | 2016-04-13 | 兰州理工大学 | Ultra-narrow gap electric arc welding device with flux piece feeding chains |
| CN106425047A (en) * | 2015-08-05 | 2017-02-22 | 海宁瑞奥金属科技有限公司 | Upward submerged-arc welding device and method thereof |
| CN114273760A (en) * | 2021-12-21 | 2022-04-05 | 武汉纳瑞格智能设备有限公司 | Narrow-gap MAG/MIG automatic transverse welding device and method based on welding wire plastic deformation |
-
2022
- 2022-05-12 CN CN202210514595.7A patent/CN114769802B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3576966A (en) * | 1967-03-27 | 1971-05-04 | Air Reduction | Arc-welding in narrow gap |
| CN102151955A (en) * | 2011-03-01 | 2011-08-17 | 兰州理工大学 | Ultra-narrow gap welding device and method for U-shaped flux strip constraining arc |
| CN102896399A (en) * | 2012-10-23 | 2013-01-30 | 兰州理工大学 | Super-narrow-gap electric arc welding device for butting steel rails |
| CN106425047A (en) * | 2015-08-05 | 2017-02-22 | 海宁瑞奥金属科技有限公司 | Upward submerged-arc welding device and method thereof |
| CN105478973A (en) * | 2016-01-28 | 2016-04-13 | 兰州理工大学 | Ultra-narrow gap electric arc welding device with flux piece feeding chains |
| CN114273760A (en) * | 2021-12-21 | 2022-04-05 | 武汉纳瑞格智能设备有限公司 | Narrow-gap MAG/MIG automatic transverse welding device and method based on welding wire plastic deformation |
Non-Patent Citations (1)
| Title |
|---|
| 陈欢等: "超窄间隙焊接中送进式焊剂带约束电弧的加热特效", 《电焊机》, pages 41 - 45 * |
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|---|---|
| CN114769802B (en) | 2023-12-22 |
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