CN106862736B - A kind of titanium alloy built-up welding gas shield cover being fixed on welding gun - Google Patents
A kind of titanium alloy built-up welding gas shield cover being fixed on welding gun Download PDFInfo
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- CN106862736B CN106862736B CN201710131174.5A CN201710131174A CN106862736B CN 106862736 B CN106862736 B CN 106862736B CN 201710131174 A CN201710131174 A CN 201710131174A CN 106862736 B CN106862736 B CN 106862736B
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- welding
- pneumatic circuit
- fixed
- welding gun
- front cover
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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
- B23K9/32—Accessories
- B23K9/325—Devices for supplying or evacuating shielding gas
-
- 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
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/14—Titanium or alloys thereof
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The present invention relates to a kind of titanium alloy built-up welding gas shield covers for being fixed on welding gun; including pedestal, fixed cross beam and front cover; the middle part of pedestal is arranged in fixed cross beam; fixed cross beam sets that there are two for clamping the side wall of welding gun; front cover is symmetrically set in the two sides of fixed cross beam side wall, and the first pneumatic circuit is equipped with inside front cover, and pedestal is equipped with second pneumatic circuit mutually chimeric with the first pneumatic circuit; front cover top is equipped with the threaded hole being connected with external tracheae, and front cover lower part is equipped with gas ejection hole.Gas shield cover of the present invention has the symmetrical chamber of pneumatic circuit by two sides; make that gas is protected to blow out with symmetric fanning from gas ejection hole; with torch nozzle shape being aligned, stands on above welding bead, cover entire welding bead from the top down; gas shield film is formed around entire overlay cladding; the protection to entire overlay cladding is improved, original deficiency protected by welding gun gas circuit is improved, structure is simple; gas shield effect is obvious, good to titanium alloy arc surfacing process protecting effect.
Description
Technical field
The invention belongs to welding technology fields, and in particular to a kind of titanium alloy built-up welding gas shield cover for being fixed on welding gun.
Background technique
Titanium or titanium alloy has good corrosion resistance, high specific strength and excellent high-temperature behavior and processability, is navigating
The every field such as sky, space flight, chemical industry and metallurgy have a wide range of applications.And titanium alloy component passes through usually after casting or forging
Over mechanical processing forming, complicated part will often machine away 90% material, low efficiency and at high cost, and electric arc increasing material manufacturing
Cost can but can be greatly reduced in technology, improve efficiency.Since during titanium alloy arc surfacing, titanium can absorb in atmosphere
Hydrogen, oxygen, nitrogen, seriously affect welding quality, when using built-up welding, it is necessary to which using gas protective cover carries out welding region sufficient
Protection, and traditional gas shield then conveys argon gas by welding gun and is protected, poor effect influences welding quality.
102909465 A of Chinese patent CN discloses a kind of titanium tube welding gas protective cover of fixed welding gun, by arc-shaped
Aluminium shell, argon gas ingress pipe, internal air sifter, the fixed device of welding gun and side rubber groove composition.The device is covered in welding
The position for needing to weld is covered, and welding gun is bundled in welding gun with metal cranse and is fixed on device, is then imported by argon gas
Pipe introduces gas into protective cover, but patent protection gas flow being unevenly distributed in each air sifter hole, and protective gas is more
Dispersion, air are easy to be involved in by welding handle hole, reduce protecting effect, and due to protective cover and tube wall below welding handle hole
Between there are gap, may cause air and be involved in by welding handle hole from gap and blow out, to reduce protecting effect, simultaneously because
It is smaller to weld handle hole, operation is limited, is unfavorable for utilizing the equipment observational studies such as high-speed camera welding dynamic process, and the hair
It is bright to be only applicable to the tubular weldments process such as titanium tube.
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems and provides a kind of titanium alloy built-up welding gas for being fixed on welding gun
Protective cover can simply and effectively protect titanium alloy arc surfacing, and contact of the welding bead with air, influences to weld when preventing from welding
Connect quality.
The purpose of the present invention is achieved through the following technical solutions:
A kind of titanium alloy built-up welding gas shield cover being fixed on welding gun, including pedestal, fixed cross beam and front cover, described consolidates
Determine the middle part that pedestal is arranged in crossbeam, the fixed cross beam sets that there are two the side wall for clamping welding gun, the front covers pair
Claim the two sides for being set to fixed cross beam side wall, the first pneumatic circuit to be equipped with inside the front cover, the pedestal is equipped with and first
Pneumatic circuit mutually chimeric the second pneumatic circuit, the front cover top are equipped with the threaded hole being connected with external tracheae, under front cover
Portion is equipped with gas ejection hole.
First pneumatic circuit is in " returning " font groove, and centre is rectangular cam, and second pneumatic circuit is in
" returning " font convex block, centre are rectangular recess, and air-flow stream is formed after first pneumatic circuit is chimeric with the second pneumatic circuit
Logical chamber.
" returning " the font bump width of " returning " the font groove width of first pneumatic circuit than the second pneumatic circuit
" returning " the font groove depth of wide 0.5-1.5mm, the first pneumatic circuit are bigger than " returning " font bump height of the second pneumatic circuit
5-10mm, to form gas circuit cavity circuit.
The gas ejection hole is opened in the first pneumatic circuit and " returns " among the bottom edge of font groove, and width is bottom side length
The half of degree, the sector for being 110-130 ° in opening angle, preferably 120 °, gas ejection hole blows out air-flow with sector.
Protective gas is crossed by the dispersion of above-mentioned gas circuit cavity circuit, can preferably be come in gas ejection hole drawout,
It sprays, is covered on welding bead from preceding base portion with sector, the entire welding bead (before, during and after welding bead) of Butt welding gun forms comprehensive guarantor
Shield；The fan-shaped spray orifice of gas shield cover is symmetrically distributed in welding gun two sides, with torch nozzle shape being aligned, stands on above welding bead, protects
Shield gas can cover entire welding bead from the top down, and when carrying out titanium alloy built-up welding, gas shield film is formed around entire overlay cladding,
Improve the protection to entire overlay cladding.
The junction of the front cover and pedestal is sealed by sealant, for maintaining internal purer inert atmosphere, is
Welding process provides preferably protection.
The fixed cross beam is linked together by screw and pedestal.
The front cover is linked together by screw and pedestal.
The pedestal is in rectangular plate-like.
The distance between described side wall is identical as the diameter of welding gun, and side wall is equipped with the long hole for gripping.
When this gas shield cover is specifically used, gas shield cover is fixed on welding gun by fixed cross beam, the spiral shell on front cover
Pit connects with air-path quick joint, and air-path quick joint is connected with protection tracheae again, then is connected by Pneumatic three-way connector, most
Connect afterwards with protection gas cylinder, be passed through protective gas (such as argon gas), gas shield cover is covered into welding position before welding, it is to be protected
When gas is full of inside entire gas shield cover, starts welding operation, being continually fed into for gas is kept in entire weld deposit process.
Compared with prior art, gas shield cover of the present invention has the symmetrical chamber of pneumatic circuit by two sides, and dispersion is handed over
It converges, comes protective gas in nozzle drawout, nozzle is that fan-shaped spray orifice is symmetrically distributed in welding gun two sides, with torch nozzle shape
Being aligned is stood on above welding bead, is protected gas to blow out with symmetric fanning from gas ejection hole, is covered entire welding bead from the top down,
When carrying out titanium alloy built-up welding, gas shield film is formed around entire overlay cladding, to improve the protection to entire overlay cladding, is changed
It is apt to original deficiency protected by welding gun gas circuit, avoids being involved in for air；This gas shield cover can also better and robot
In conjunction with being fixed on robotic gun, controllable robot is suspended from above overlay cladding in built-up welding interlayer interim, makes entire heap
Layer is under gas shield always, while the dynamic process for the equipment observational study welding such as be also convenient for high-speed camera；Gas
Protective cover size can as needed make adjustment to length and width.The configuration of the present invention is simple, easy to operate, gas shield effect
Obviously, good to titanium alloy arc surfacing process protecting effect.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is backsight structural representation of the invention；
Fig. 3 is the structural schematic diagram of pedestal of the invention；
Fig. 4 is the structural schematic diagram of front cover of the invention；
Fig. 5 is the structural schematic diagram of fixed cross beam of the invention；
In figure: 1- fixed cross beam；2- pedestal；3- front cover；4- side wall；5- threaded hole；The first pneumatic circuit of 6-；The second gas of 7-
Road circuit；8- gas ejection hole.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
A kind of titanium alloy built-up welding gas shield cover being fixed on welding gun, such as Fig. 1,2, including pedestal 2, fixed cross beam 1 and preceding
Lid 3, such as Fig. 3-5, the middle part of pedestal 2 is arranged in fixed cross beam 1, and fixed cross beam 1 is set there are two the side wall 4 for clamping welding gun,
Front cover 3 is symmetrically set in the two sides of fixed cross beam side wall 4, and the first pneumatic circuit 6 is equipped with inside front cover 3, and pedestal 2 is equipped with and the first gas
The second chimeric pneumatic circuit 7 of 6 phase of road circuit, 3 top of front cover are equipped with the threaded hole 5 being connected with external tracheae, and 3 lower part of front cover is set
There is gas ejection hole 8.First pneumatic circuit 6 is in " returning " font groove, and centre is rectangular cam, and the second pneumatic circuit 7 is in " returning "
Font convex block, centre are rectangular recess, and the chamber of airflow is formed after the first pneumatic circuit 6 is chimeric with the second pneumatic circuit 7.
The junction of front cover 3 and pedestal 2 is sealed by sealant, and isolation outside air is used to maintain internal purer inert atmosphere.Bottom
Seat 2 is in rectangular plate-like, and fixed cross beam 1 is linked together by screw with pedestal 2, and front cover 3 is connected to one by screw and pedestal 2
It rises, the distance between side wall 4 is identical as the diameter of welding gun, and side wall 4 is equipped with the long hole for gripping.
The width of the present embodiment, first pneumatic circuit 6 " time " font groove is 10mm, than second pneumatic circuit 7 " time " word
The wide 1mm of the width of shape convex block, the depth 10mm of first pneumatic circuit 6 " time " font groove, second pneumatic circuit 7 " time " font are convex
The height of block is 2mm, keeps the first pneumatic circuit 6 and the second pneumatic circuit 7 preferably chimeric, Formation cross-section is 10mm × 8mm's
Gas circuit cavity；3 lower part fan air squit hole sector opening angle of front cover is 120 °, and protective gas passes through this gas circuit cavity circuit
Dispersion crosses, and can preferably come in nozzle drawout, and spray from preceding base portion with sector, be covered on welding bead and welding gun
Itself is collectively formed by the protection gas that nozzle sprays to the protection before, during and after entire welding bead welding bead.
Gas ejection hole 8 is set to the bottom of first pneumatic circuit 6 " go back to " font groove, and the width of gas ejection hole 8 is
The half of " returning " font groove bottom edge length, gas ejection hole 8 blow out air-flow with sector, the fan-shaped spray orifice of this gas shield cover
Welding gun two sides are symmetrically distributed in, with torch nozzle shape being aligned, are stood on above welding bead, protection gas can cover entire from the top down
Welding bead forms gas shield film when carrying out titanium alloy built-up welding around entire overlay cladding, to improve to entire overlay cladding
Protection.
When this gas shield cover is specifically used, gas shield cover is fixed on welding gun by fixed cross beam 1, on front cover 3
Threaded hole 5 connects with air-path quick joint, and air-path quick joint is connected with protection tracheae again, then passes through Pneumatic three-way connector phase
It connects, finally connects with protection gas cylinder, be passed through argon gas, gas shield cover is covered into welding position before welding, to argon gas full of whole
When inside a gas shield cover, starts welding operation, being continually fed into for argon gas is kept in entire weld deposit process.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, and the width of first pneumatic circuit 6 " time " font groove is 10mm, than the
The wide 1.5mm of width of two pneumatic circuit 7 " time " font convex blocks, the depth 10mm of first pneumatic circuit 6 " time " font groove, second
The height of pneumatic circuit 7 " time " font convex block is 5mm, and 3 lower part fan air squit hole sector opening angle of front cover is 110 °.
Embodiment 3
The present embodiment is substantially the same manner as Example 1, and the width of first pneumatic circuit 6 " time " font groove is 10mm, than the
The wide 0.5mm of width of two pneumatic circuit 7 " time " font convex blocks, the depth 15mm of first pneumatic circuit 6 " time " font groove, second
The height of pneumatic circuit 7 " time " font convex block is 5mm, and 3 lower part fan air squit hole sector opening angle of front cover is 130 °.
Claims (8)
1. a kind of titanium alloy built-up welding gas shield cover for being fixed on welding gun, which is characterized in that including pedestal (2), fixed cross beam (1)
With front cover (3), the fixed cross beam (1) is arranged at the middle part of pedestal (2), and the fixed cross beam (1) is set there are two being used for
The side wall (4) of welding gun is clamped, the front cover (3) is symmetrically set in the two sides of fixed cross beam side wall (4), and the front cover (3) is interior
Portion is equipped with the first pneumatic circuit (6), and the pedestal (2) is equipped with second pneumatic circuit mutually chimeric with the first pneumatic circuit (6)
(7), the front cover (3) top is equipped with the threaded hole (5) being connected with external tracheae, and front cover (3) lower part is equipped with gas ejection hole
(8), the gas ejection hole (8) is opened in the first pneumatic circuit (6) and " returns " among the bottom edge of font groove, and width is bottom edge
The half of length, the sector for being 110-130 ° in opening angle.
2. a kind of titanium alloy built-up welding gas shield cover for being fixed on welding gun according to claim 1, which is characterized in that described
The first pneumatic circuit (6) be in " returning " font groove, centre is rectangular cam, and second pneumatic circuit (7) is in " returning " word
Shape convex block, centre are rectangular recess, and air-flow stream is formed after first pneumatic circuit (6) is chimeric with the second pneumatic circuit (7)
Logical chamber.
3. a kind of titanium alloy built-up welding gas shield cover for being fixed on welding gun according to claim 2, which is characterized in that described
The first pneumatic circuit (6) " returning " font groove width it is 0.5- wider than " returning " font bump width of the second pneumatic circuit (7)
" returning " the font groove depth of 1.5mm, the first pneumatic circuit (6) are bigger than " returning " font bump height of the second pneumatic circuit (7)
5-10mm。
4. a kind of titanium alloy built-up welding gas shield cover for being fixed on welding gun according to claim 1, which is characterized in that described
Front cover (3) and pedestal (2) junction by sealant sealing.
5. a kind of titanium alloy built-up welding gas shield cover for being fixed on welding gun according to claim 1, which is characterized in that described
Fixed cross beam (1) linked together with pedestal (2) by screw.
6. a kind of titanium alloy built-up welding gas shield cover for being fixed on welding gun according to claim 1, which is characterized in that described
Front cover (3) linked together with pedestal (2) by screw.
7. a kind of titanium alloy built-up welding gas shield cover for being fixed on welding gun according to claim 1, which is characterized in that described
Pedestal (2) be in rectangular plate-like.
8. a kind of titanium alloy built-up welding gas shield cover for being fixed on welding gun according to claim 1, which is characterized in that described
The distance between side wall (4) it is identical as the diameter of welding gun, side wall (4) is equipped with the long hole for gripping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710131174.5A CN106862736B (en) | 2017-03-07 | 2017-03-07 | A kind of titanium alloy built-up welding gas shield cover being fixed on welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710131174.5A CN106862736B (en) | 2017-03-07 | 2017-03-07 | A kind of titanium alloy built-up welding gas shield cover being fixed on welding gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106862736A CN106862736A (en) | 2017-06-20 |
| CN106862736B true CN106862736B (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710131174.5A Active CN106862736B (en) | 2017-03-07 | 2017-03-07 | A kind of titanium alloy built-up welding gas shield cover being fixed on welding gun |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825009A (en) * | 2017-10-31 | 2018-03-23 | 中国核工业二三建设有限公司 | A kind of air inflation protecting device for welding of pipeline |
| CN115156672B (en) * | 2022-06-22 | 2023-09-22 | 沈阳飞机工业（集团）有限公司 | Flexible adjustable argon arc welding gas protection cover for robot |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5257732A (en) * | 1991-03-13 | 1993-11-02 | Praxair Technology, Inc. | Laminar barrier inert fluid shield apparatus |
| JPH0929439A (en) * | 1995-07-21 | 1997-02-04 | Nippon Sutatsudouerudeingu Kk | Shield method in stud welding and device therefor |
| CN202498295U (en) * | 2012-02-24 | 2012-10-24 | 佛山市澜石宇航星不锈钢有限公司 | Local gas protection dragging cover used in titanium alloy welding |
| CN105269132A (en) * | 2015-11-11 | 2016-01-27 | 西安交通大学 | Weld joint real-time protection cover during welding |
| CN205520035U (en) * | 2016-04-06 | 2016-08-31 | 大唐淮北发电厂 | Argon arc welds argon gas output device |
| CN106112230A (en) * | 2016-06-29 | 2016-11-16 | 北京动力机械研究所 | A kind of titanium alloy material weld seam front gas shield device |
-
2017
- 2017-03-07 CN CN201710131174.5A patent/CN106862736B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5257732A (en) * | 1991-03-13 | 1993-11-02 | Praxair Technology, Inc. | Laminar barrier inert fluid shield apparatus |
| JPH0929439A (en) * | 1995-07-21 | 1997-02-04 | Nippon Sutatsudouerudeingu Kk | Shield method in stud welding and device therefor |
| CN202498295U (en) * | 2012-02-24 | 2012-10-24 | 佛山市澜石宇航星不锈钢有限公司 | Local gas protection dragging cover used in titanium alloy welding |
| CN105269132A (en) * | 2015-11-11 | 2016-01-27 | 西安交通大学 | Weld joint real-time protection cover during welding |
| CN205520035U (en) * | 2016-04-06 | 2016-08-31 | 大唐淮北发电厂 | Argon arc welds argon gas output device |
| CN106112230A (en) * | 2016-06-29 | 2016-11-16 | 北京动力机械研究所 | A kind of titanium alloy material weld seam front gas shield device |
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|---|---|
| CN106862736A (en) | 2017-06-20 |
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Inventor after: Zhang Peilei Inventor after: Yu Zhishui Inventor after: Li Lei Inventor before: Li Lei Inventor before: Yu Zhishui Inventor before: Zhang Peilei |