CN104475943A - Small-diameter inner wall-surfacing torch head - Google Patents
Small-diameter inner wall-surfacing torch head Download PDFInfo
- Publication number
- CN104475943A CN104475943A CN201410801254.3A CN201410801254A CN104475943A CN 104475943 A CN104475943 A CN 104475943A CN 201410801254 A CN201410801254 A CN 201410801254A CN 104475943 A CN104475943 A CN 104475943A
- Authority
- CN
- China
- Prior art keywords
- head body
- rifle head
- tungsten electrode
- torch head
- gas shield
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
- B23K9/044—Built-up welding on three-dimensional surfaces
- B23K9/046—Built-up welding on three-dimensional surfaces on surfaces of revolution
-
- 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
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
-
- 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
- B23K9/29—Supporting devices adapted for making use of shielding means
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
Abstract
The invention discloses a small-diameter inner wall-surfacing torch head, which comprises a torch head body, a gland, a tungsten electrode holder, a tungsten electrode, a gas shield, a gas inlet tube, a water inlet tube and a water outlet tube. The small-diameter inner wall-surfacing torch head is characterized in that the periphery of the tungsten electrode holder is provided with an annular guide groove, the inner wall of the central cavity of the torch head body is provided with an annular gas passing groove, the outer end surface of the torch head body is evenly provided with a plurality of vent holes which communicate with the annular gas passing groove, the gas shield is in threaded connection with the other end of the torch head body, and a shielding gas chamber is formed between the arc-shaped porcelain shield body of the gas shield and the torch head body. The design of the small-diameter inner wall-surfacing torch head is reasonable, the arc-shaped porcelain shield body of the gas shield can prevent high-temperature melting loss, and therefore the service life is long; since the gas shield is in threaded connection with the torch head body, the gas shield can be conveniently replaced, and thereby production cost is reduced.
Description
Technical field
The present invention relates to the annex of soldering appliance, especially a kind of minor diameter inner wall overlaying arc welding gun head.
Background technology
We know, tubule inner-wall automatic built-up welding machine is the special welding machine carrying out built-up welding at steel cylinder, cone cylindrical and internal circular surfaces.Its principle is the welding method using argon arc welding to fill silk, and workpiece rotates in conjunction with welding torch straight line moving, to cover the facing surface of weldment; It is mainly made up of systems etc. such as frame, base, main transmission box, welding tractor, moving of car mechanisms, and welding tractor, with welding gun motion axially, coordinates the rotation of main shaft, can realize spirality built-up welding and the built-up welding of calibration straight line.Such as; a built-up welding welding gun is disclosed in " two water-cooled extra small bore inside pipe wall TIG built-up welding welding gun and overlaying method " disclosed in CN103692069A Chinese invention patent application description disclosed in 2 days April in 2014; the rifle head of this built-up welding welding gun is provided with annular water-cooling groove; annular water-cooling groove is connected with aqueduct; arc ions gas passage is connected with the tungsten electrode of rifle head, and arc protection gas passage communicates with the protection air cavity of rifle head.Through shunting after ion-gas enters rifle head, be evenly dispersed in around tungsten electrode, electric current conducts to tungsten electrode by coolant guide pipe, by the ion-gas ionization around tungsten electrode, and producing electric arc at tungsten electrode tip, protection gas to enter after rifle head through shunting, is evenly dispersed in around electric arc, electric arc and molten bath are protected, to eliminate the adverse effect to built-up welding such as swing, air-flow; Cooling water, at water-cooling groove internal circulation flow, ensures the good cooling to rifle head.The protection air cavity of the built-up welding arc welding gun head of this structure is
onegas shield cover is fixedly connected with rifle head body and forms; gas shield cover adopts metal material to be made; when continuous long working, preventing gas guard shield is heated and scaling loss for a long time, there is preventing gas guard shield fragile and cannot change, increase the deficiency of production cost.
Summary of the invention
To be fixedly connected with rifle head body to there is preventing gas guard shield easy burn-out and the deficiency cannot changing, increase production cost to overcome in prior art metal gas protective cover, the invention provides the minor diameter inner wall overlaying arc welding gun head of a kind of reasonable in design, gas shield cover long service life, gas shield cover and the releasable connection of rifle head body.
The technical solution adopted for the present invention to solve the technical problems is: a kind of minor diameter inner wall overlaying arc welding gun head, it is by rifle head body, gland, tungsten electrode presss from both sides, tungsten electrode, gas shield cover, air inlet pipe, water inlet pipe and outlet pipe composition, a center cavity is offered in rifle head body, described gland is threaded on rifle head body one end, described tungsten electrode clamp fit over rifle head body center cavity in and be fixed by gland, described tungsten electrode is fixed on tungsten electrode folder and goes up and stretch out the center cavity of rifle head body, described air inlet pipe is communicated with the center cavity of rifle head body, an annular cooling chamber is offered in rifle head body outside center cavity, described water inlet pipe, outlet pipe is connected with annular cooling chamber respectively, it is characterized in that: on the outer peripheral face of tungsten electrode folder, have an annular guide channel, the center cavity inwall of rifle head body has a ring-shaped ventilation groove be connected with center cavity, the outer face of rifle head body evenly offers the venthole of the annular air channel of some connections, described gas shield cover is made up of the porcelain arc cover body of a gradually closing and a threaded joints, this gas shield cover is threaded in through its threaded joints on the other end of rifle head body, form one between the porcelain arc cover body of gas shield cover and rifle head body and protect air cavity.
The present invention is that the protection air cavity between annular guide channel, the porcelain arc cover body of ring-shaped ventilation groove, some ventholes and gas protective cover on rifle head body center cavity inwall and rifle head body pressed from both sides by air inlet pipe, tungsten electrode forms protective gas passage jointly, protection gas is evenly dispersed in around tungsten electrode through this protective gas passage, and the electric arc produce tungsten electrode and molten bath are protected; Annular cooling chamber in water inlet pipe, rifle head body and outlet pipe form cooling-water duct, and cooling water is at this cooling-water duct internal circulation flow, and carry out good cooling to rifle head, the present invention is reasonable in design.The porcelain arc cover body of its gas shield cover effectively prevent high temperature scaling loss, long service life; Gas shield cover is threaded on rifle head body, achieves the releasable connection with rifle head body, conveniently can change, reduce production cost after gas shield cover scaling loss.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention will be further described.
Fig. 1 is the main sectional view of a kind of structure of the present invention;
Fig. 2 is along the A-A line sectional view in 1;
Fig. 3 is along the B-B line sectional view in 1.
Mark in figure: 1. gas shield cover, 2. rifle head body, 201. center cavities, 202. annular cooling chambers, 203. ventholes; 3. air inlet pipe, 4. gland, 5. outlet pipe, 6. ring-shaped ventilation groove, 7. tungsten electrode folder; 701. annular guide channels, 8. tungsten electrode, 9. water inlet pipe, 10. protect air cavity.
Detailed description of the invention
In Fig. 1, Fig. 2, a kind of minor diameter inner wall overlaying arc welding gun head, it is made up of rifle head body 2, gland 4, tungsten electrode folder 7, tungsten electrode 8, gas shield cover 1, air inlet pipe 3, water inlet pipe 9 and outlet pipe 5.
As shown in Figure 1, Figure 2, Figure 3 shows, in rifle head body 2, offer a center cavity 201, tungsten electrode folder 7 is assemblied in the center cavity 201 of rifle head body 2, and gland 4 is threaded on rifle head body 2 one end, and tungsten electrode folder 7 is fixed, tungsten electrode 8 to be fixed on tungsten electrode folder 7 and to stretch out the center cavity 201 of rifle head body 2.
In Fig. 1, Fig. 2, offer an annular cooling chamber 202 in the rifle head body 2 outside center cavity 201, water inlet pipe 9, outlet pipe 5 are connected with annular cooling chamber 202 respectively.
In Fig. 1, Fig. 2, air inlet pipe 3 is communicated with the center cavity 201 of rifle head body 2.
As shown in Figure 1, the outer peripheral face of tungsten electrode folder 7 has an annular guide channel 701, center cavity 201 inwall of rifle head body 2 has a ring-shaped ventilation groove 6 be connected with center cavity 201.
In Fig. 1, Fig. 3, the outer face of rifle head body 2 evenly offers the venthole 203 of the annular air channel 6 of some connections.The number of venthole 203 is determined according to actual conditions.The present embodiment is 20.
In FIG; gas shield cover 1 by a gradually closing porcelain arc cover body and a threaded joints forms, as shown in Figure 1 and Figure 2; gas shield cover 1 is threaded on the other end of rifle head body 2 through its threaded joints, forms one and protect air cavity 10 between the porcelain arc cover body of gas shield cover 1 and rifle head body 2.The porcelain arc cover body of gas shield cover 1 effectively prevent high temperature scaling loss, extends the service life of gas shield cover 1; Gas shield cover 1 is threaded on rifle head body 2, achieves the releasable connection with rifle head body 2, conveniently can change, reduce production cost after gas shield cover 1 scaling loss.
The present invention forms cooling-water duct by the annular cooling chamber 202 in water inlet pipe 9, rifle head body 2 and outlet pipe 5, and cooling water, at this cooling-water duct internal circulation flow, carries out good cooling to rifle head; Meanwhile, electric current conducts to tungsten electrode 8 by cooling-water duct, produces electric arc, filler wire at tungsten electrode 8 tip.Protection air cavity 10 between the porcelain arc cover body of the annular guide channel 701 on air inlet pipe 3, tungsten electrode folder 7, ring-shaped ventilation groove 6, venthole 203 and gas protective cover 1 on rifle head body 2 center cavity 201 inwall and rifle head body 2 forms protective gas passage jointly; protection gas is evenly dispersed in around tungsten electrode 8 through this protective gas passage; the electric arc produce tungsten electrode 8 and molten bath are protected, to eliminate the adverse effect to built-up welding such as swing, air-flow.
Claims (1)
1. a minor diameter inner wall overlaying arc welding gun head, it is by rifle head body, gland, tungsten electrode presss from both sides, tungsten electrode, gas shield cover, air inlet pipe, water inlet pipe and outlet pipe composition, a center cavity is offered in rifle head body, described gland is threaded on rifle head body one end, described tungsten electrode clamp fit over rifle head body center cavity in and be fixed by gland, described tungsten electrode is fixed on tungsten electrode folder and goes up and stretch out the center cavity of rifle head body, described air inlet pipe is communicated with the center cavity of rifle head body, an annular cooling chamber is offered in rifle head body outside center cavity, described water inlet pipe, outlet pipe is connected with annular cooling chamber respectively, it is characterized in that: on the outer peripheral face of tungsten electrode folder, have an annular guide channel, the center cavity inwall of rifle head body has a ring-shaped ventilation groove be connected with center cavity, the outer face of rifle head body evenly offers the venthole of the annular air channel of some connections, described gas shield cover is made up of the porcelain arc cover body of a gradually closing and a threaded joints, this gas shield cover is threaded in through its threaded joints on the other end of rifle head body, form one between the porcelain arc cover body of gas shield cover and rifle head body and protect air cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410801254.3A CN104475943A (en) | 2014-12-22 | 2014-12-22 | Small-diameter inner wall-surfacing torch head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410801254.3A CN104475943A (en) | 2014-12-22 | 2014-12-22 | Small-diameter inner wall-surfacing torch head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104475943A true CN104475943A (en) | 2015-04-01 |
Family
ID=52750618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410801254.3A Pending CN104475943A (en) | 2014-12-22 | 2014-12-22 | Small-diameter inner wall-surfacing torch head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104475943A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735786A (en) * | 2017-01-23 | 2017-05-31 | 广东福维德焊接股份有限公司 | A kind of integrated lock effect of holes TIG deep penetration welding welding guns |
| CN108381013A (en) * | 2018-04-28 | 2018-08-10 | 沈阳工学院 | A kind of narrow gap TIG welding guns |
| CN108817716A (en) * | 2018-09-18 | 2018-11-16 | 上海交通大学 | A kind of dust feeder suitable for laser overlaying welding in small dimension hole |
| CN109848528A (en) * | 2019-03-29 | 2019-06-07 | 郑州煤机综机设备有限公司 | A kind of fine cold compress welding gun of small-bore inner hole |
| CN110280867A (en) * | 2019-07-27 | 2019-09-27 | 南京昱晟机器人科技有限公司 | A kind of industrial welding robot and its cooling device |
| CN113909646A (en) * | 2021-11-03 | 2022-01-11 | 北京石油化工学院 | Coaxial powder feeding TIG welding device and application thereof |
| CN114289896A (en) * | 2021-12-30 | 2022-04-08 | 杨未来 | Self-circulation type high-efficiency physical circulation cooling laser cutting head |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4851254A (en) * | 1987-01-13 | 1989-07-25 | Nippon Soken, Inc. | Method and device for forming diamond film |
| JPH02160175A (en) * | 1988-12-14 | 1990-06-20 | Tokyo Gas Co Ltd | Gas shielded welding torch |
| CN2897524Y (en) * | 2006-03-29 | 2007-05-09 | 中国海洋石油总公司 | High-pressure cyclone double-layer gas protection welding gun |
| CN101733522A (en) * | 2009-12-07 | 2010-06-16 | 昆山华恒工程技术中心有限公司 | Small-bore TIG (tungsten inert gas) surfacing torch |
| CN102626816A (en) * | 2011-12-01 | 2012-08-08 | 兰州理工大学 | Water-cooled welding gun for molten gas bath coupling active TIG welding |
| CN202963758U (en) * | 2012-11-13 | 2013-06-05 | 刘振英 | Water-cooled tungsten inert gas (TIG) small welding gun |
| CN103692069A (en) * | 2013-12-13 | 2014-04-02 | 哈尔滨锅炉厂有限责任公司 | TIG (Tungsten Inert Gas) surfacing welding gun and surfacing method for inner wall of double-water-cooled ultrasmall-caliber pipe |
| CN204381639U (en) * | 2014-12-22 | 2015-06-10 | 威海石岛重工有限公司 | A kind of minor diameter inner wall overlaying arc welding gun head |
-
2014
- 2014-12-22 CN CN201410801254.3A patent/CN104475943A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4851254A (en) * | 1987-01-13 | 1989-07-25 | Nippon Soken, Inc. | Method and device for forming diamond film |
| JPH02160175A (en) * | 1988-12-14 | 1990-06-20 | Tokyo Gas Co Ltd | Gas shielded welding torch |
| CN2897524Y (en) * | 2006-03-29 | 2007-05-09 | 中国海洋石油总公司 | High-pressure cyclone double-layer gas protection welding gun |
| CN101733522A (en) * | 2009-12-07 | 2010-06-16 | 昆山华恒工程技术中心有限公司 | Small-bore TIG (tungsten inert gas) surfacing torch |
| CN102626816A (en) * | 2011-12-01 | 2012-08-08 | 兰州理工大学 | Water-cooled welding gun for molten gas bath coupling active TIG welding |
| CN202963758U (en) * | 2012-11-13 | 2013-06-05 | 刘振英 | Water-cooled tungsten inert gas (TIG) small welding gun |
| CN103692069A (en) * | 2013-12-13 | 2014-04-02 | 哈尔滨锅炉厂有限责任公司 | TIG (Tungsten Inert Gas) surfacing welding gun and surfacing method for inner wall of double-water-cooled ultrasmall-caliber pipe |
| CN204381639U (en) * | 2014-12-22 | 2015-06-10 | 威海石岛重工有限公司 | A kind of minor diameter inner wall overlaying arc welding gun head |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735786A (en) * | 2017-01-23 | 2017-05-31 | 广东福维德焊接股份有限公司 | A kind of integrated lock effect of holes TIG deep penetration welding welding guns |
| CN108381013A (en) * | 2018-04-28 | 2018-08-10 | 沈阳工学院 | A kind of narrow gap TIG welding guns |
| CN108381013B (en) * | 2018-04-28 | 2024-03-29 | 沈阳工学院 | Narrow-gap TIG welding gun |
| CN108817716A (en) * | 2018-09-18 | 2018-11-16 | 上海交通大学 | A kind of dust feeder suitable for laser overlaying welding in small dimension hole |
| CN108817716B (en) * | 2018-09-18 | 2020-12-11 | 上海交通大学 | Powder feeding device suitable for small-size hole laser build-up welding |
| CN109848528A (en) * | 2019-03-29 | 2019-06-07 | 郑州煤机综机设备有限公司 | A kind of fine cold compress welding gun of small-bore inner hole |
| CN110280867A (en) * | 2019-07-27 | 2019-09-27 | 南京昱晟机器人科技有限公司 | A kind of industrial welding robot and its cooling device |
| CN113909646A (en) * | 2021-11-03 | 2022-01-11 | 北京石油化工学院 | Coaxial powder feeding TIG welding device and application thereof |
| CN113909646B (en) * | 2021-11-03 | 2023-03-10 | 北京石油化工学院 | Coaxial powder feeding TIG welding device and application thereof |
| CN114289896A (en) * | 2021-12-30 | 2022-04-08 | 杨未来 | Self-circulation type high-efficiency physical circulation cooling laser cutting head |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104475943A (en) | Small-diameter inner wall-surfacing torch head | |
| CN101733522B (en) | Small-bore TIG (tungsten inert gas) surfacing torch | |
| CN105598562B (en) | Protection device and method for the titanium or titanium alloy increasing material manufacturing based on welding procedure | |
| KR101650605B1 (en) | Cooling pipes, electrode holders and electrode for an arc plasma torch and assemblies made thereof and arc plasma torch comprising the same | |
| US8575510B2 (en) | Nozzle for a liquid-cooled plasma burner, arrangement thereof with a nozzle cap, and liquid-cooled plasma burner comprising such an arrangement | |
| CA2674290C (en) | Plasma arc torch cutting component with optimized water cooling | |
| RU118821U1 (en) | PROTECTIVE COVER OF THE MOUNT PIECE AND HOLDER OF THE PROTECTIVE COVER OF THE MOUNT, AND ALSO THE ELECTRIC ARC PLASMA BURNER WITH SUCH CAP AND / OR WITH SUCH CAP HOLDER | |
| EP2147583A2 (en) | Plasma arc torch cutting component with optimized water cooling | |
| JP6009231B2 (en) | Plasma welding torch and plasma welding equipment | |
| CN106717128A (en) | Plasma cutting torch, nozzle and shield cap | |
| CN103934556A (en) | Auxiliary protection gas hood of automatic TIC welder head | |
| JP2019501028A (en) | Temperature control of a cryogenic cooled boring tool | |
| CN104607772A (en) | Sealing type compact portable closed handheld automatic pipe welding equipment | |
| CN202667895U (en) | Heavy TIG (Tungsten Inert Gas Welding) gun head | |
| CN204381639U (en) | A kind of minor diameter inner wall overlaying arc welding gun head | |
| CN205414666U (en) | Titanium alloy vibration material disk gas protection device | |
| CN204867779U (en) | Spot welding electrode structure | |
| US9095037B2 (en) | Nozzle for a liquid-cooled plasma cutting torch with grooves | |
| CN106825869B (en) | Argon arc welding gun and device with same | |
| CN101708567A (en) | Water cooled welding torch | |
| ES2226385T3 (en) | TORCH FOR AUTOMATIC WELDING SYSTEMS. | |
| CN105140776A (en) | Precision water cooling machine for laser device | |
| KR101649496B1 (en) | Plasma Nozzle of Plasma-MIG Hybrid Welding Machine | |
| KR20090070579A (en) | Torch for tig welding | |
| CN203184813U (en) | Machine-used plasma arc cutting torch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150401 |
|
| WD01 | Invention patent application deemed withdrawn after publication |