CN103817410A - Manual argon-arc welding protecting gas hood for coated titanium alloy plates - Google Patents
Manual argon-arc welding protecting gas hood for coated titanium alloy plates Download PDFInfo
- Publication number
- CN103817410A CN103817410A CN201410018544.0A CN201410018544A CN103817410A CN 103817410 A CN103817410 A CN 103817410A CN 201410018544 A CN201410018544 A CN 201410018544A CN 103817410 A CN103817410 A CN 103817410A
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- CN
- China
- Prior art keywords
- titanium alloy
- gas hood
- arc welding
- wireway
- manual argon
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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
- B23K9/32—Accessories
- B23K9/321—Protecting 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
- 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
Abstract
The invention relates to the field of machining, in particular to a manual argon-arc welding protecting gas hood for coated titanium alloy plates, and aims to the solve the problem that mechanical performance of existing titanium alloy or oxidizable metal which is prone to oxidizing during manual argon-arc welding is weakened. The manual argon-arc welding protecting gas hood for coated titanium alloy plates comprises a gas guide pipe, an observation window and a stainless steel frame. The stainless steel frame consists of two long side plates, a front side plate, a rear side plate and a flat cover plate. The flat cover plate is arranged on the top of the stainless steel frame. The front side plate is provided with a welding stick feed inlet. The upper portion of the rear side plate is provided with a gas guide pipe insert, and one of the long side plates is provided with a welding gun inlet. The observation window is arranged on the top of the stainless steel frame, and the flat cover plate is obliquely arranged. The gas guide pipe is inserted from the gas guide pipe insert on the rear side plate and extends to the front side plate from the rear side plate. The gas guide pipe is provided with small holes.
Description
Technical field
The present invention relates to field of machining, relate in particular to a kind of Novel handcraft argon tungsten-arc welding titanium alloy welding gas hood.
Background technology
Titanium alloy and other easy oxidation metal carry out in welding process at the conventional manual argon arc welding of employing, because torch neck is less, still metal will produce oxidation during in the condition of high temperature when metal that torch neck Mobile Fashion is not condensed completely and after condensing, and causes performance to reduce.At present a lot of for the gas hood kind of titanium alloy and easy oxidation metal manual argon arc welding, but its protection effect is all undesirable.
Titanium or titanium alloy is normal in manual argon arc welding welding process adopts the protection that lags behind of hysteresis argon gas tracking mode; hysteresis gas gas hood coordinates propelling by support staff; but in engagement process, easily appearance is inconsistent, thereby causes welding protection weak effect, and oxidative phenomena appears in metal surface.
Summary of the invention
The present invention existingly carries out manual argon arc welding to titanium alloy or easy oxidation metal and connects the problem that easy generation oxidation causes titanium alloy or easy oxidation metal mechanical performance to reduce for solving, and provides a kind of clad type titanium alloy plate manual argon arc welding to connect protection gas hood.
Clad type titanium alloy plate manual argon arc welding of the present invention connects protection gas hood and is made up of wireway, observation window and stainless steel frame; Described stainless steel frame is made up of two long side plates, front side board, back side panel and flat decks; Wherein two long side plates, front side board and back side panels surround the main frame of stainless steel frame, flat deck is positioned at the top of stainless steel frame, and join with two long side plates and back side panel, front side board is provided with welding wire and sends into mouth, back side panel top is provided with wireway insert port, and a long side plate is provided with welding gun and penetrates mouth; Described observation window is positioned at the top of stainless steel frame, joins, and be oblique angle state with flat deck with two long side plates, front side board and flat decks; The wireway insert port that described wireway is provided with by back side panel enters, and extends to front side board from back side panel, and wireway is provided with aperture.
The present invention has following beneficial effect:
1, before welding, argon arc welding gun is penetrated in gas hood, after gas hood is full of argon gas, welding gun welding wire is all welded under the protection in argon gas again, can more effectively protect to welding pool and in the weld seam of the condition of high temperature.
2, the nozzle guard of argon-arc welding gun self is limited in scope, and in welding process, not yet complete cooling molten bath can be carried out cooling under the protection of gas hood, effectively solves welding pool problem of oxidation.
3, in the time that welding position leaves gas hood, metal has been cooled to below 250 ℃, absorption oxygen, hydrogen, the nitrogen element problem of the metal in the condition of high temperature in titanium alloy welding process are so just solved, avoid the very easily oxidizable problem in the welding process of oxidized metal such as titanium alloy, guaranteed the welding quality of titanium alloy.
4, the observation window of gas hood (glass plate) is placed in the top of gas hood, presents oblique angle state, in weld job process, can observe welding pool very easily, is beneficial to operating personnel's operation.
5, on argon gas conduit, have steam vent (in gas hood inner section), the direction of pore is towards gas hood top, and the argon gas that enters gas hood by wireway in weld job process can carry out the glass plate at top cooling, prevents that glass is overheated.Steam vent can be sooner towards gas hood top, more thoroughly by the Bas Discharged gas hood of gas hood inside.
6, argon gas wireway, near the long side plate of gas hood, takes this kind of layout can sight line not produced and be disturbed.
7, gas hood framework is welded by stainless steel material, makes gas hood possess certain rigidity.
Accompanying drawing explanation
Fig. 1 is that clad type titanium alloy plate manual argon arc welding of the present invention connects protection gas hood structural representation; 1 is that wireway, 2 is that observation window, 3 is stainless steel frame;
Fig. 2 is the structural representation of stainless steel frame 3 in Fig. 1; 3-1 is that long side plate, 3-2 are that front side board, 3-3 are that back side panel, 3-4 are that flat deck, 3-7 are that welding gun penetrates mouth;
Fig. 3 is the left view of Fig. 2; 3-2 is that front side board, 3-5 are that welding wire is sent into mouth;
Fig. 4 is the right view of Fig. 2; 3-3 is that back side panel, 3-6 are wireway insert port;
Fig. 5 be the clad type titanium alloy plate manual argon arc welding of service test one connect protection gas hood weld, obtain welding rear commissure photo.
The specific embodiment
The specific embodiment one: the clad type titanium alloy plate manual argon arc welding of present embodiment connects protection gas hood and is made up of wireway 1, observation window 2 and stainless steel frame 3; Described stainless steel frame 3 is made up of two long side plate 3-1, front side board 3-2, back side panel 3-3 and flat deck 3-4; Wherein two long side plate 3-1, front side board 3-2 and back side panel 3-3 surround the main frame of stainless steel frame 3, flat deck 3-4 is positioned at the top of stainless steel frame 3, and join with two long side plate 3-1 and back side panel 3-3, front side board 3-2 is provided with welding wire and sends into a mouthful 3-5, back side panel 3-3 top is provided with wireway insert port 3-6, and a long side plate 3-1 is provided with welding gun and penetrates a mouthful 3-7; Described observation window 2 is positioned at the top of stainless steel frame 3, joins, and be oblique angle state with flat deck 3-4 with two long side plate 3-1, front side board 3-1 and flat deck 3-4; The wireway insert port 3-6 that described wireway 1 is provided with by back side panel 3-3 enters, and extends to front side board 3-2 from back side panel 3-3, and wireway 1 is provided with aperture.
Present embodiment has following beneficial effect:
1, before welding, argon arc welding gun is penetrated in gas hood, after gas hood is full of argon gas, welding gun welding wire is all welded under the protection in argon gas again, can more effectively protect to welding pool and in the weld seam of the condition of high temperature.
2, the nozzle guard of argon-arc welding gun self is limited in scope, and in welding process, not yet complete cooling molten bath can be carried out cooling under the protection of gas hood, effectively solves welding pool problem of oxidation.
3, in the time that welding position leaves gas hood, metal has been cooled to below 250 ℃, absorption oxygen, hydrogen, the nitrogen element problem of the metal in the condition of high temperature in titanium alloy welding process are so just solved, avoid the very easily oxidizable problem in the welding process of oxidized metal such as titanium alloy, guaranteed the welding quality of titanium alloy.
4, the observation window of gas hood (glass plate) is placed in the top of gas hood, presents oblique angle state, in weld job process, can observe welding pool very easily, is beneficial to operating personnel's operation.
5, on argon gas conduit, have steam vent (in gas hood inner section), the direction of pore is towards gas hood top, and the argon gas that enters gas hood by wireway in weld job process can carry out the glass plate at top cooling, prevents that glass is overheated.Steam vent can be sooner towards gas hood top, more thoroughly by the Bas Discharged gas hood of gas hood inside.
6, argon gas wireway, near the long side plate of gas hood, takes this kind of layout can sight line not produced and be disturbed.
7, gas hood framework is welded by stainless steel material, makes gas hood possess certain rigidity.
The specific embodiment two: present embodiment is different from the specific embodiment one: the number of described wireway 1 is 2, and two described wireways 1 respectively near with the long side plate 3-1 of its homonymy.Other step is identical with the specific embodiment one with parameter.
The specific embodiment three: present embodiment is different from the specific embodiment one or two: described wireway 1 is provided with aperture one side upward.Other step is identical with the specific embodiment one or two with parameter.
The specific embodiment four: present embodiment is different from one of specific embodiment one to three: establishing foraminate number on described wireway 1 is 12～14.Other step is identical with one of parameter and specific embodiment one to three.
The specific embodiment five: present embodiment is different from one of specific embodiment one to four: establishing foraminate diameter on described wireway 1 is 1mm～2mm.Other step is identical with one of parameter and specific embodiment one to four.
The specific embodiment six: present embodiment is different from one of specific embodiment one to five: establishing foraminate diameter on described wireway 1 is 1.5mm.Other step is identical with one of parameter and specific embodiment one to five.
The specific embodiment seven: present embodiment is different from one of specific embodiment one to six: described observation window 2 is glass plate.Other step is identical with one of parameter and specific embodiment one to six.
The specific embodiment eight: present embodiment is different from one of specific embodiment one to seven: described observation window 2 is 157 °～166 ° with flat deck angle that 3-4 is.Other step is identical with one of parameter and specific embodiment one to seven.
The specific embodiment nine: present embodiment is different from one of specific embodiment one to eight: described observation window 2 is 160 °～163 ° with flat deck angle that 3-4 is.Other step is identical with one of parameter and specific embodiment one to eight.
The specific embodiment ten: present embodiment is different from one of specific embodiment one to nine: it is mounting hole that described welding gun penetrates hole 3-7, the radius of this mounting hole is 15mm, length is 40mm～45mm.Other step is identical with one of parameter and specific embodiment one to nine.
With following verification experimental verification beneficial effect of the present invention:
Test one, (in conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 4) clad type titanium alloy plate manual argon arc welding connect protection gas hood and are made up of wireway 1, observation window 2 and stainless steel frame 3; Described stainless steel frame 3 is made up of two long side plate 3-1, front side board 3-2, back side panel 3-3 and flat deck 3-4; Wherein two long side plate 3-1, front side board 3-2 and back side panel 3-3 surround the main frame of stainless steel frame 3, flat deck 3-4 is positioned at the top of stainless steel frame 3, and join with two long side plate 3-1 and back side panel 3-3, front side board 3-2 is provided with welding wire and sends into a mouthful 3-5, back side panel 3-3 top is provided with wireway insert port 3-6, and a long side plate 3-1 is provided with welding gun and penetrates a mouthful 3-7; Described observation window 2 is positioned at the top of stainless steel frame 3, joins, and be oblique angle state with flat deck 3-4 with two long side plate 3-1, front side board 3-1 and flat deck 3-4; The wireway insert port 3-6 that described wireway 1 is provided with by back side panel 3-3 enters, and extends to front side board 3-2 from back side panel 3-3, and wireway 1 is provided with aperture.
Described wireway 1 is near long side plate 3-1.
The number of described wireway 1 is 2.
Described wireway 1 is provided with aperture one side upward.
On described wireway 1, establishing foraminate number is 14.
On described wireway 1, establishing foraminate diameter is 1.5mm.
Described observation window 2 is glass plate.
Described observation window 2 is 162 ° with flat deck angle that 3-4 is.
It is mounting hole that described welding gun penetrates hole 3-7, and the radius of this mounting hole is 15mm, and length is 40mm.
In the welding process of titanium alloy plate, the clad type titanium alloy plate manual argon arc welding of service test one connects and protects gas hood to test, and verifies the beneficial effect that it reaches:
Operating procedure: when weld job, a welder welds, an other welder is responsible for mobile gas hood as support staff.
In welding process, adopt DT315P argon arc welding equipment.
Result: obtain welding rear commissure photo as shown in Figure 5; as can be seen from Figure 5; connecing protection gas hood with the clad type titanium alloy plate manual argon arc welding of test one welds; weld seam after welding presents silvery white; regulation with reference to JB/T4745-2002 " titanium welded vessel processed " about titanium Seam and heat effected zone surface color; welding effect is good, other processing that it goes without doing.
Claims (10)
1. clad type titanium alloy plate manual argon arc welding connects protection gas hood, it is characterized in that clad type titanium alloy plate manual argon arc welding connects protection gas hood and is made up of wireway (1), observation window (2) and stainless steel frame (3); Described stainless steel frame (3) is made up of two long side plates (3-1), front side board (3-2), back side panel (3-3) and flat deck (3-4); Wherein two long side plates (3-1), front side board (3-2) and back side panel (3-3) surround the main frame of stainless steel frame (3), flat deck (3-4) is positioned at the top of stainless steel frame (3), and join with two long side plates (3-1) and back side panel (3-3), front side board (3-2) is provided with welding wire and sends into mouthful (3-5), back side panel (3-3) top is provided with wireway insert port (3-6), and a long side plate (3-1) is provided with welding gun and penetrates mouthful (3-7); Described observation window (2) is positioned at the top of stainless steel frame (3), joins, and be oblique angle state with flat deck (3-4) with two long side plates (3-1), front side board (3-1) and flat deck (3-4); The wireway insert port (3-6) that described wireway (1) is provided with by back side panel (3-3) enters, and extends to front side board (3-2) from back side panel (3-3), and wireway (1) is provided with aperture.
2. clad type titanium alloy plate manual argon arc welding according to claim 1 connects protection gas hood, it is characterized in that the number of described wireway (1) is 2, and described two wireways (1) respectively near with the long side plate (3-1) of its homonymy.
3. clad type titanium alloy plate manual argon arc welding according to claim 1 and 2 connects protection gas hood, it is characterized in that described wireway (1) is provided with aperture one side upward.
4. clad type titanium alloy plate manual argon arc welding according to claim 3 connects protection gas hood, it is characterized in that on described wireway (1), establishing foraminate number is 12～14.
5. clad type titanium alloy plate manual argon arc welding according to claim 3 connects protection gas hood, it is characterized in that on described wireway (1), establishing foraminate diameter is 1mm～2mm.
6. clad type titanium alloy plate manual argon arc welding according to claim 3 connects protection gas hood, it is characterized in that on described wireway (1), establishing foraminate diameter is 1.5mm.
7. clad type titanium alloy plate manual argon arc welding according to claim 3 connects protection gas hood, it is characterized in that described observation window (2) is glass plate.
8. clad type titanium alloy plate manual argon arc welding according to claim 3 connects protection gas hood, it is characterized in that it is 157 °～166 ° that described observation window (2) and flat deck (3-4) are angle.
9. clad type titanium alloy plate manual argon arc welding according to claim 3 connects protection gas hood, it is characterized in that it is 160 °～163 ° that described observation window (2) and flat deck (3-4) are angle.
10. clad type titanium alloy plate manual argon arc welding according to claim 3 connects protection gas hood, it is characterized in that described welding gun penetrates hole (3-7) for mounting hole, and the radius of this mounting hole is 15mm, and length is 40mm～45mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410018544.0A CN103817410B (en) | 2014-01-15 | 2014-01-15 | Clad type titanium alloy plate manual argon arc welding connects protection gas hood |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410018544.0A CN103817410B (en) | 2014-01-15 | 2014-01-15 | Clad type titanium alloy plate manual argon arc welding connects protection gas hood |
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| CN103817410A true CN103817410A (en) | 2014-05-28 |
| CN103817410B CN103817410B (en) | 2016-03-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378210A (en) * | 2017-09-18 | 2017-11-24 | 沈阳飞机工业（集团）有限公司 | A kind of argonaut welding weld seam front gas shield device |
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| JPH10216942A (en) * | 1997-01-31 | 1998-08-18 | Sumitomo Metal Ind Ltd | Consumable electrode type gas shielded metal arc welding method |
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| CN202224819U (en) * | 2011-05-25 | 2012-05-23 | 南京德邦金属装备工程有限公司 | Argon tungsten-arc welding shielding gas hood for deep groove of thick plate |
| CN202356769U (en) * | 2011-12-13 | 2012-08-01 | 江西洪都航空工业集团有限责任公司 | Titanium alloy part argon arc welding seam protector |
| CN202571565U (en) * | 2012-05-14 | 2012-12-05 | 天津市创举科技有限公司 | Welding protection cover |
-
2014
- 2014-01-15 CN CN201410018544.0A patent/CN103817410B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10216942A (en) * | 1997-01-31 | 1998-08-18 | Sumitomo Metal Ind Ltd | Consumable electrode type gas shielded metal arc welding method |
| CN101422853A (en) * | 2007-11-02 | 2009-05-06 | 中国船舶重工集团公司第七二五研究所 | Local air protection cage during fusion welding titanium alloy |
| CN201720590U (en) * | 2010-07-06 | 2011-01-26 | 江南造船(集团)有限责任公司 | Detached manual tracking welding protective drag cover |
| CN202224819U (en) * | 2011-05-25 | 2012-05-23 | 南京德邦金属装备工程有限公司 | Argon tungsten-arc welding shielding gas hood for deep groove of thick plate |
| CN202356769U (en) * | 2011-12-13 | 2012-08-01 | 江西洪都航空工业集团有限责任公司 | Titanium alloy part argon arc welding seam protector |
| CN202571565U (en) * | 2012-05-14 | 2012-12-05 | 天津市创举科技有限公司 | Welding protection cover |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378210A (en) * | 2017-09-18 | 2017-11-24 | 沈阳飞机工业（集团）有限公司 | A kind of argonaut welding weld seam front gas shield device |
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| CN103817410B (en) | 2016-03-09 |
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