CN114131148A - Compact welding arm for automatic TIG welding in pipe hole - Google Patents
Compact welding arm for automatic TIG welding in pipe hole Download PDFInfo
- Publication number
- CN114131148A CN114131148A CN202111574099.2A CN202111574099A CN114131148A CN 114131148 A CN114131148 A CN 114131148A CN 202111574099 A CN202111574099 A CN 202111574099A CN 114131148 A CN114131148 A CN 114131148A
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- welding
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- arc
- water
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- 238000003466 welding Methods 0.000 title claims abstract description 83
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000001816 cooling Methods 0.000 claims description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims description 14
- 239000010935 stainless steel Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000013021 overheating Methods 0.000 claims 1
- 230000010354 integration Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- B23K9/126—Controlling the spatial relationship between the work and the gas torch
-
- 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
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- 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
- B23K9/32—Accessories
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Arc Welding In General (AREA)
Abstract
The invention provides a compact welding arm for automatic TIG welding in pipe holes, which comprises a fixed support component, an automatic swinging unit, an automatic arc voltage tracking device, a water-cooled welding gun and a wire feeding adjusting mechanism, wherein the input end of the fixed support component is connected with main welding equipment, the output end of the fixed support component is connected with the automatic swinging unit, the automatic swinging unit is sequentially connected with the automatic arc voltage tracking device and the wire feeding adjusting mechanism, the water-cooled welding gun is arranged on the wire feeding adjusting mechanism, the automatic swinging unit is used for realizing angle adjustment of the welding gun, the automatic arc voltage tracking device is used for ensuring the stability of the length of a welding arc, and the wire feeding adjusting mechanism is used for feeding a welding wire to a proper position below the welding gun. The invention can carry out pipe fitting assembly welding and continuous inner wall surfacing in the deep hole. The automatic swinging mechanism can realize the angle adjustment of the welding gun; the preposed arc voltage tracking unit can ensure the stability of the length of the welding arc; the invention has compact structure and high integration level, and is not limited by stations.
Description
Technical Field
The invention relates to the technical field of pipe fitting inner wall surfacing, in particular to a compact welding arm for automatic TIG welding in pipe holes.
Background
A large number of pipe fittings in nuclear power products and petrochemical products need inner wall surfacing, and the method is particularly suitable for welding operation after the pipe fittings are irregularly shaped and are assembled and welded or during on-site repair. The conventional welding equipment is very difficult to implement the welding of the inner wall of the pipe fitting. Meanwhile, when the depth of the pipe is large and the aperture is small, the conventional welding gun cannot automatically adjust the angle of the welding gun in the pipe, and the welding gun needs to be adjusted outside the pipe and then enters the pipe to be repeatedly confirmed, so that the welding efficiency is seriously influenced. The conventional welding gun has no front water-cooling arc voltage tracking device, and the whole welding gun can vibrate to cause the problems of unstable welding arc and the like during deep hole welding.
Disclosure of Invention
In light of the above-identified problems, a compact welding arm for automated TIG welding of pipe bores is provided. The technical means adopted by the invention are as follows:
the utility model provides a compact is used for automatic TIG welded welding arm in tube hole, presses tracking means including fixed supporting component, automatic swing unit and automatic arc to and water-cooling welder and send a adjustment mechanism, fixed supporting component's input and main part welding equipment are connected, fixed supporting component's output links to each other with automatic swing unit, automatic swing unit presses tracking means, send a adjustment mechanism with automatic arc in proper order and links to each other, water-cooling welder installs on sending an adjustment mechanism, automatic swing unit is used for realizing welder angle modulation, automatic arc is pressed tracking means and is used for guaranteeing the stability of welding arc length, send an adjustment mechanism to be used for sending the welding wire to welder suitable position down.
Further, the fixed support component comprises a fixed mounting seat, a stainless steel pipe and a supporting seat, the fixed mounting seat is sleeved on the stainless steel pipe and can be connected with the main body welding equipment, a positioning pin and a hand wheel are arranged on the fixed mounting seat, the fixed mounting seat is locked on the main body welding equipment through the hand wheel, the supporting seat is arranged at the output end of the stainless steel pipe and is connected with the automatic swinging unit through a connecting plate.
Further, the automatic swing unit comprises a stepping motor and a miniature turbine worm rotary table connected with the stepping motor, and the output end of the miniature turbine worm rotary table is connected with the automatic arc voltage tracking device through an L-shaped plate.
Furthermore, the output end of the fixed supporting component is connected with the input end of the automatic swinging unit through a rigid connecting plate.
Furthermore, a water-cooling protective cover is sleeved outside the stepping motor.
Furthermore, the automatic arc voltage tracking device adopts an external driving type stepping motor to reduce the whole volume, and a water-cooling protective cover is also arranged outside the motor to prevent the motor from being overheated
Furthermore, the water-cooling welding gun is used as a central rotating shaft and is fixed by the wire feeding adjusting mechanism fixing seat assembly and rotates around the wire feeding adjusting mechanism fixing seat assembly, and meanwhile, the axis of the water-cooling welding gun and the axis of the stainless steel pipe are on the same plane.
The invention can be used for assembling and welding pipe fittings and continuously surfacing the inner wall in the deep hole by assisting the external rotating mechanism. The automatic swinging mechanism can realize the angle adjustment of the welding gun; the preposed arc voltage tracking unit can ensure the stability of the length of the welding arc; the compact welding arm for automatic TIG welding in the pipe hole has the advantages of compact structure, high integration level and no limitation of stations, and can be widely applied to continuous welding operation in the pipe hole of a new product.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of the structure of the present invention.
FIG. 2 is a schematic view of an assembly structure according to the present invention.
In the figure: 1. fixing the support component; 2. an automatic swing unit; 3. an automatic arc voltage tracking device; 4. a water-cooled welding gun; 5. a wire feed adjusting mechanism; 6. a connecting plate; 7. an L-shaped plate; 8. fixing the mounting seat; 9. a stainless steel tube; 10. and (4) supporting the base.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, a compact is used for automatic TIG welded welding arm in tube hole, presses the tracking means including fixed supporting component, automatic swing unit and automatic arc to and water-cooling welder and send a adjustment mechanism, the input and the main part welding equipment of fixed supporting component 1 are connected, fixed supporting component's output links to each other with automatic swing unit 2, automatic swing unit presses tracking means 3, send a adjustment mechanism 5 with automatic arc in proper order and links to each other, water-cooling welder 4 is installed on sending a adjustment mechanism, automatic swing unit is used for realizing welder angle modulation, automatic arc is pressed the stability that tracking means is used for guaranteeing welding arc length, send a adjustment mechanism to be used for sending the welding wire to welder lower suitable position.
The fixed support component comprises a fixed mounting seat 8, a stainless steel pipe 9 and a supporting seat 10, the fixed mounting seat is sleeved on the stainless steel pipe and can be connected with the main body welding equipment, a positioning pin and a hand wheel are arranged on the fixed mounting seat and can be fastened and positioned with the main body welding equipment rapidly through the rotating hand wheel, and the supporting seat is arranged at the output end of the stainless steel pipe and is connected with the automatic swinging unit. The output end of the fixed supporting component is connected with the input end of the automatic swinging unit through a rigid connecting plate 6. Specifically, the supporting seat is installed at the other end of the stainless steel pipe and matched with the connecting plate.
The automatic swing unit comprises a stepping motor and a miniature turbine worm rotary table connected with the stepping motor, and the output end of the miniature turbine worm rotary table is connected with the automatic arc voltage tracking device. The automatic swing unit is arranged on the connecting plate 6, and the rotating surface is fixedly connected with the L-shaped plate 7. The outside cover of step motor has the water-cooling protection casing, prevents that the motor is overheated under the welding high temperature. The automatic swing unit sets parameters through a program, and the motor is controlled by the remote controller to drive the rotary table to rotate forward and backward infinitely.
The automatic arc voltage tracking device is characterized in that a base of the automatic arc voltage tracking device is arranged on the L-shaped plate and comprises an external driving type stepping motor, a water cooling cover, a base and a tracking sliding table driven by a motor screw rod, and the tracking sliding table is connected with a wire feeding adjusting mechanism. The automatic arc voltage tracking device adopts an external driving type stepping motor to drive a tracking sliding table to move up and down so as to reduce the volume of the whole device, and a water-cooling protective cover is arranged outside the motor to prevent the motor from being overheated.
The water-cooling welding gun is used as a central rotating shaft and locked by the wire feeding adjusting mechanism fixing seat assembly, can rotate around the central rotating shaft, and meanwhile ensures that the axial lead of the water-cooling welding gun and the axial lead of the stainless steel pipe are on the same plane so as to control the welding precision; the wire feeding adjusting mechanism feeds the welding wire to a proper position below the welding gun through multi-azimuth adjustment. The arc voltage tracking device drives the welding gun and the wire feeding adjusting mechanism to maintain stable arc length in the welding process according to the program set parameters, and the remote controller controls the automatic swinging unit to adjust the angle of the welding gun and the welding surface of the workpiece so as to achieve good welding forming.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a compact is used for automatic TIG welded welding arm in tube hole, a serial communication port, presses the tracking means including fixed supporting component, automatic swing unit and automatic arc to and water-cooling welder and send a adjustment mechanism, fixed supporting component's input and main part welding equipment are connected, fixed supporting component's output passes through the connecting plate and links to each other with automatic swing unit, automatic swing unit presses the tracking means with automatic arc in proper order, send a adjustment mechanism to link to each other, water-cooling welder installs on sending a adjustment mechanism, automatic swing unit is used for realizing welder angle modulation, automatic arc is pressed the stability that the tracking means is used for guaranteeing welding arc length, send a adjustment mechanism to be used for sending the welding wire to welder suitable position down.
2. The compact welding arm for automatic TIG welding in pipe orifices of claim 1, wherein the fixed support assembly comprises a fixed mounting seat, a stainless steel pipe and a supporting seat, the fixed mounting seat is sleeved on the stainless steel pipe and can be connected with the main welding equipment, a positioning pin and a hand wheel are arranged on the fixed mounting seat, the fixed mounting seat is locked on the main welding equipment through the hand wheel, and the supporting seat is arranged at the output end of the stainless steel pipe and is connected with the automatic swinging unit through a connecting plate.
3. The compact welding arm for automatic TIG welding in pipe orifices of claim 1, wherein the automatic oscillation unit includes a stepper motor and a micro-turbine worm turntable connected thereto, an output end of the micro-turbine worm turntable being connected to an automatic arc pressure tracking device through an L-shaped plate.
4. The compact welding arm for automatic TIG welding within a tubular bore of claim 1, wherein an output end of the stationary support assembly is coupled to an input end of the automatic oscillation unit via a rigid coupling plate.
5. The compact welding arm for automatic TIG welding within a pipe bore according to claim 3, wherein a water cooled shield is sleeved outside a stepper motor of the automatic oscillating unit.
6. A compact welding arm for automatic TIG welding in pipe orifices as in claim 1, with the automatic arc voltage tracking device using an externally driven stepper motor to reduce overall volume, also with a water cooled shield mounted externally to the motor to prevent overheating of the motor.
7. The compact welding arm for automatic TIG welding within a bore of a pipe of claim 1, wherein the water-cooled welding torch is secured as a central rotating shaft by and rotates about a wire feed adjustment mechanism mount assembly with a water-cooled welding torch axis co-planar with a stainless steel tube axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111574099.2A CN114131148A (en) | 2021-12-21 | 2021-12-21 | Compact welding arm for automatic TIG welding in pipe hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111574099.2A CN114131148A (en) | 2021-12-21 | 2021-12-21 | Compact welding arm for automatic TIG welding in pipe hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114131148A true CN114131148A (en) | 2022-03-04 |
Family
ID=80383037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111574099.2A Pending CN114131148A (en) | 2021-12-21 | 2021-12-21 | Compact welding arm for automatic TIG welding in pipe hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114131148A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350567A (en) * | 2011-09-26 | 2012-02-15 | 中国第一重型机械股份公司 | TIG (Tungsten Inert Gas) automatic overlay-welding device for all circumferential positions on inner surface of 90-degree bent pipe and welding method thereof |
| CN103464867A (en) * | 2013-08-30 | 2013-12-25 | 中国海洋石油总公司 | Buildup welding device for tube-end inner walls of bimetal mechanical composite tubes |
| CN104607766A (en) * | 2015-01-27 | 2015-05-13 | 招商局重工（江苏）有限公司 | Welding device capable of double-side automatic welding for pipe and flange |
| CN105269116A (en) * | 2015-11-12 | 2016-01-27 | 济南金鲁鼎焊接技术有限公司 | Automatic integrated flange welding equipment with center through hole |
| CN107824936A (en) * | 2017-12-18 | 2018-03-23 | 开封空分集团有限公司 | Small diameter pipeline endoporus longitudinal seam welding device |
| CN111054999A (en) * | 2020-01-25 | 2020-04-24 | 济南金鲁鼎焊接技术有限公司 | Pipeline all-position automatic TIG welding machine and welding process thereof |
| CN113199111A (en) * | 2021-04-09 | 2021-08-03 | 宁波隆兴气割工具有限公司 | Clamp for cutting gun |
-
2021
- 2021-12-21 CN CN202111574099.2A patent/CN114131148A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350567A (en) * | 2011-09-26 | 2012-02-15 | 中国第一重型机械股份公司 | TIG (Tungsten Inert Gas) automatic overlay-welding device for all circumferential positions on inner surface of 90-degree bent pipe and welding method thereof |
| CN103464867A (en) * | 2013-08-30 | 2013-12-25 | 中国海洋石油总公司 | Buildup welding device for tube-end inner walls of bimetal mechanical composite tubes |
| CN104607766A (en) * | 2015-01-27 | 2015-05-13 | 招商局重工（江苏）有限公司 | Welding device capable of double-side automatic welding for pipe and flange |
| CN105269116A (en) * | 2015-11-12 | 2016-01-27 | 济南金鲁鼎焊接技术有限公司 | Automatic integrated flange welding equipment with center through hole |
| CN107824936A (en) * | 2017-12-18 | 2018-03-23 | 开封空分集团有限公司 | Small diameter pipeline endoporus longitudinal seam welding device |
| CN111054999A (en) * | 2020-01-25 | 2020-04-24 | 济南金鲁鼎焊接技术有限公司 | Pipeline all-position automatic TIG welding machine and welding process thereof |
| CN113199111A (en) * | 2021-04-09 | 2021-08-03 | 宁波隆兴气割工具有限公司 | Clamp for cutting gun |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220304 |