CN209206684U - A kind of double gas hood gas shield devices of deep welding pipeline narrow gap TIG weld - Google Patents
A kind of double gas hood gas shield devices of deep welding pipeline narrow gap TIG weld Download PDFInfo
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- CN209206684U CN209206684U CN201821380071.9U CN201821380071U CN209206684U CN 209206684 U CN209206684 U CN 209206684U CN 201821380071 U CN201821380071 U CN 201821380071U CN 209206684 U CN209206684 U CN 209206684U
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- gas
- air sifter
- cloche
- sealing ring
- insulation sleeve
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Abstract
The utility model relates to a kind of double gas hood gas shield devices of deep welding pipeline narrow gap TIG weld, by monoblock type ignition tip (1), O-ring seals (2); insulation sleeve (3), O-ring seals (4), outer cloche (5); outer gas screen assembly (6); interior cloche (7), interior air sifter component (8), air sifter screw base (9); O-ring seals (10); air sifter seat (11), embedding nut (12), throttle valve (13) composition；Its main feature is that: reduce inert gas Ar or He usage amount.Gas hood is protected using double glazing, it is visual good, it is heat-resist.Outer layer protection gas hood be designed to it is adjustable slide up and down structure, convenient for adjust ectonexine protect gas hood relative position.Outer layer protection gas forms the space of isolation active gases, prevents the edge of exterior active gas from sucking.Outer layer protection gas can protect delay protection area.Inside and outside air sifter component uses filter net type current stabilization to design, and protection gas is uniform and stable.
Description
Technical field
The present invention relates to welding technology field more particularly to a kind of double gas hood gas shields of deep welding pipeline narrow gap TIG weld
Device.
Background technique
Welding technique is the indispensable component part of modern manufacturing technique, and wherein there is TIG weld technology welding to stablize
Property it is good, welding quality is good, without splash, it is easy to automate the features such as, be widely used in aircraft manufacturing, nuclear power, chemical industry, spinning
It knits, the fields such as boiler.
Currently, deep welding pipeline narrow gap TIG weld mostly uses single gas hood to protect, a large amount of inert gas is needed in welding process
Ar or He protect molten bath.The gas shield for realizing atm number, generally requires biggish protection gas hood, and big gas hood lacks
Point is that protective gas flow velocity is low, and air-flow stiffness is inadequate, cannot reach in deeper weld seam and carry out effective protection to molten bath, cause to protect
It protects ineffective.In practice process, often all it is to continue with and increases inert gas flow amount, keep the stiffness of gas, cause to protect
Gas waste is protected, welding cost is caused to increase.
Summary of the invention
It is an object of the invention to find a kind of to be not only able to achieve the protection of deep welding pipeline narrow gap TIG weld molten bath but also can save lazy
The device of property gas shielding gas.
To achieve the goals above, the double gas hood gas shield dresses of a kind of deep welding pipeline narrow gap TIG weld provided by the invention
It sets by monoblock type ignition tip 1, insulation sleeve sealing ring 2, insulation sleeve 3, outer cover sealing ring 4, outer cloche 5, outer gas screen assembly 6 is interior
Cloche 7, interior air sifter component 8, air sifter screw base 9, inner cover sealing ring 10, air sifter seat 11, embedding nut 12,13 groups of throttle valve
At.Air sifter seat 11 is by being threaded on monoblock type ignition tip 1, and interior air sifter component 8 is riveted on air sifter screw base 9, air sifter spiral shell
Nail seat 9 by being threaded on air sifter seat 11,10 sets of inner cover sealing ring on air sifter seat 11,7 sets of interior cloche is in air sifter seat 11
Upper to utilize 10 swelling of inner cover sealing ring, insulation sleeve sealing ring 2, outer cover sealing ring 4 are mounted on insulation sleeve 3, and 3 sets of insulation sleeve whole
On body formula ignition tip 1,5 sets of outer cloche utilizes 4 swelling of outer cover sealing ring on insulation sleeve 3, and 6 sets of outer gas screen assembly in interior glass
On cover 7, embedding nut 12 is embedded on insulation sleeve 3, and throttle valve 13 is by being threaded on embedding nut 12.
It is threaded, can be directly connected to TIG welding gun on the monoblock type ignition tip 1.
The processing of insulation sleeve 3 has annular diversion trench, it is ensured that the distribution of outer gas flow Quick uniform；Utilize insulation sleeve seal
2 are fixed on monoblock type ignition tip 1, and insulation sleeve 3 can slide on monoblock type ignition tip 1, convenient for adjust outer cloche 5 with it is interior
The relative position of cloche 7.
The outer cloche 5, interior cloche 7 are all made of transparent glass；Space in interior cloche 7 is that internal layer protects gas,
When being passed through inert gas Ar or He, internal layer protection air-flow is high-speed flow, gos deep into narrow gap welding bead bottom and carries out to tungsten electrode, molten bath
Protection；It is outer layer protection gas between outer cloche 5 and interior cloche 7, when being passed through inert gas Ar or He, outer layer protection gas is formed
The space of active gases is isolated, prevents exterior active gas marginality from sucking；In the welding process, outer layer protection gas can be to delay
It is protected protection zone.
The outer gas screen assembly 6, interior air sifter component 8 are designed using filter net type current stabilization, it is ensured that protect the uniform stabilization of gas.
The throttle valve 13 adjusts outer layer protection throughput.
The present invention compared with prior art the utility model has the advantages that
The present apparatus it is characterized in that: reduce inert gas Ar or He usage amount, reduce welding cost.Structure is simple, installation,
It is easy to use.Gas hood is protected using double glazing, it is visual good, it is heat-resist, when deep welding pipeline narrow gap automatic welding, use glass
Protect gas hood, it is easier to realize video monitoring.Outer layer protection gas hood be designed to it is adjustable slide up and down structure, convenient for adjust in
Outer layer protection gas hood relative position.Outer layer protection gas forms the space of isolation active gases, prevents the edge of exterior active gas
Sucking.Outer layer protection gas can protect delay protection area simultaneously.Inside and outside air sifter component uses filter net type current stabilization to design, and protects
It is uniform and stable to protect gas.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is 2 structural schematic diagram of the embodiment of the present invention；
Fig. 3 is 3 structural schematic diagram of the embodiment of the present invention；
Fig. 4 is air-flow protection schematic diagram of the present invention.
Each symbol indicates that meaning is as follows in figure:
1 monoblock type ignition tip, 2 insulation sleeve sealing rings, 3 insulation sleeves, 4 outer cover sealing rings, 5 outer cloches, 6 outer gas screen banks
Part, cloche in 7, air sifter component in 8,9 air sifter screw bases, 10 inner cover sealing rings, 11 air sifter seats, 12 embedding nuts, 13 throttlings
Valve.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.Following embodiment is only used for more clearly illustrating technical solution of the present invention, and cannot
Primary to limit the scope of the invention, all within the spirits and principles of the present invention, made any modification is equally replaced
It changes, improve, should all be included in the protection scope of the present invention.The present invention installs and uses embodiment:
Embodiment 1: as shown in Figure 1, the present invention is a kind of double gas hood protective devices of deep welding pipeline narrow gap TIG weld, the dress
It sets by monoblock type ignition tip 1, insulation sleeve sealing ring 2, insulation sleeve 3, outer cover sealing ring 4, outer cloche 5, outer gas screen assembly 6 is interior
Cloche 7, interior air sifter component 8, air sifter screw base 9, inner cover sealing ring 10, air sifter seat 11, embedding nut 12,13 groups of throttle valve
At.Air sifter seat 11 is by being threaded on monoblock type ignition tip 1, and interior air sifter component 8 is riveted on air sifter screw base 9, air sifter spiral shell
Nail seat 9 by being threaded on air sifter seat 11,10 sets of inner cover sealing ring on air sifter seat 11,7 sets of interior cloche is in air sifter seat 11
Upper to utilize 10 swelling of inner cover sealing ring, insulation sleeve sealing ring 2, outer cover sealing ring 4 are mounted on insulation sleeve 3, and 3 sets of insulation sleeve whole
On body formula ignition tip 1,5 sets of outer cloche utilizes 4 swelling of outer cover sealing ring on insulation sleeve 3, and 6 sets of outer gas screen assembly in interior glass
On cover 7, embedding nut 12 is embedded on insulation sleeve 3, and throttle valve 13 is by being threaded on embedding nut 12.
Embodiment 2: as shown in Fig. 2, the present invention is a kind of double gas hood protective devices of deep welding pipeline narrow gap TIG weld, the dress
It sets by monoblock type ignition tip 1, insulation sleeve sealing ring 2, insulation sleeve 3, outer cover sealing ring 4, outer cloche 5, outer gas screen assembly 6 is interior
Cloche 7, interior air sifter component 8, air sifter screw base 9, inner cover sealing ring 10, air sifter seat 11, embedding nut 12,13 groups of throttle valve
At.Air sifter seat 11 is by being threaded on monoblock type ignition tip 1, and interior air sifter component 8 is riveted on air sifter screw base 9, air sifter spiral shell
Nail seat 9 by being threaded on air sifter seat 11,10 sets of inner cover sealing ring on air sifter seat 11,7 sets of interior cloche is in air sifter seat 11
Upper to utilize 10 swelling of inner cover sealing ring, insulation sleeve sealing ring 2, outer cover sealing ring 4 are mounted on insulation sleeve 3, including 3 sets of insulation sleeve
On cloche 7,5 sets of outer cloche utilizes 4 swelling of outer cover sealing ring on insulation sleeve 3, and 6 sets of outer gas screen assembly in interior cloche 7
On, embedding nut 12 is embedded on insulation sleeve 3, and throttle valve 13 is by being threaded on embedding nut 12.
Embodiment 3: as shown in figure 3, the present invention is a kind of double gas hood protective devices of deep welding pipeline narrow gap TIG weld, the dress
It sets by monoblock type ignition tip 1, insulation sleeve sealing ring 2, insulation sleeve 3, outer cover sealing ring 4, outer cloche 5, outer gas screen assembly 6 is interior
Cloche 7, interior air sifter component 8, air sifter screw base 9, inner cover sealing ring 10, air sifter seat 11, embedding nut 12,13 groups of throttle valve
At.Air sifter seat 11 is by being threaded on monoblock type ignition tip 1, and interior air sifter component 8 is riveted on air sifter screw base 9, air sifter spiral shell
Nail seat 9 by being threaded on air sifter seat 11,10 sets of inner cover sealing ring on air sifter seat 11,7 sets of interior cloche is in air sifter seat 11
Upper to utilize 10 swelling of inner cover sealing ring, insulation sleeve sealing ring 2, outer cover sealing ring 4 are mounted on insulation sleeve 3, and 3 sets of insulation sleeve whole
On body formula ignition tip 1, outer cloche 5 is designed using the shape of a saddle, is covered and is utilized 4 swelling of outer cover sealing ring, outer air sifter on insulation sleeve 3
6 sets of component on interior cloche 7, embedding nut 12 is embedded on insulation sleeve 3, and throttle valve 13 is by being threaded onto embedding nut 12
On.
In the use of the present invention, protection gas hood is constituted by inside and outside two layers, internal layer imports inert gas Ar or He by welding gun,
Outer layer imports inert gas Ar or He by throttle valve 13.Internal layer gas passes through monoblock type ignition tip 1, by air sifter seat 11, warp
It crosses interior air sifter component 8 to spray, forms high flow rate, uniform and stable internal layer protection gas, injection reaches deep welding pipeline narrow gap bottom, protects
Protect tungsten electrode and molten bath.Outer layer gas passes through throttle valve 13, is flow backwards by 3 annular groove of insulation sleeve, even into outer layer protection space,
It is sprayed by outer gas screen assembly 6, forms outer layer protection gas, played the role of that exterior active gas is isolated, prevent exterior active gas
Edge sucking, and delay protection area can be protected in the welding process.
Claims (6)
1. a kind of double gas hood gas shield devices of deep welding pipeline narrow gap TIG weld, it is characterised in that: by monoblock type ignition tip (1),
Insulation sleeve sealing ring (2), insulation sleeve (3), outer cover sealing ring (4), outer cloche (5), outer gas screen assembly (6), interior cloche
(7), interior air sifter component (8), air sifter screw base (9), inner cover sealing ring (10), air sifter seat (11), embedding nut (12), throttle valve
(13) it forms；For air sifter seat (11) by being threaded on monoblock type ignition tip (1), interior air sifter component (8) is riveted on air sifter screw
On seat (9), by being threaded on air sifter seat (11), inner cover sealing ring (10) covers on air sifter seat (11) air sifter screw base (9),
Interior cloche (7) covers utilizes inner cover sealing ring (10) swelling, insulation sleeve sealing ring (2), outer cover sealing ring on air sifter seat (11)
(4) it is mounted on insulation sleeve (3), insulation sleeve (3) covers on monoblock type ignition tip (1), and outer cloche (5) covers in insulation sleeve (3)
Upper to utilize outer cover sealing ring (4) swelling, outer gas screen assembly (6) covers on interior cloche (7), and embedding nut (12) is embedded in insulation
It covers on (3), throttle valve (13) is by being threaded on embedding nut (12).
2. a kind of double gas hood gas shield devices of deep welding pipeline narrow gap TIG weld according to claim 1, feature exist
In: monoblock type ignition tip is threaded on (1), can be directly connected to TIG welding gun.
3. a kind of double gas hood gas shield devices of deep welding pipeline narrow gap TIG weld according to claim 1, feature exist
In: insulation sleeve (3) processing has annular diversion trench, it is ensured that the distribution of outer gas flow Quick uniform；It is solid using insulation sleeve sealing ring (2)
It is scheduled on monoblock type ignition tip (1), insulation sleeve (3) can slide on monoblock type ignition tip (1), convenient for adjusting outer cloche
(5) with the relative position of interior cloche (7).
4. a kind of double gas hood gas shield devices of deep welding pipeline narrow gap TIG weld according to claim 1, feature exist
In: outer cloche (5), interior cloche (7) are all made of transparent glass；Space in interior cloche (7) is that internal layer protects gas, is passed through
When inert gas Ar or He, internal layer protection air-flow is high-speed flow, gos deep into welding bead bottom and protects to tungsten electrode, molten bath；Outer glass
It is outer layer protection gas between glass cover (5) and interior cloche (7), when being passed through inert gas Ar or He, outer layer protection gas forms isolation
The space of active gases prevents exterior active gas marginality from sucking；In the welding process, outer layer protection gas can be to delay protection
It is protected in area.
5. a kind of double gas hood gas shield devices of deep welding pipeline narrow gap TIG weld according to claim 1, feature exist
In: air sifter component (6), interior air sifter component (8) are designed using filter net type current stabilization, it is ensured that protect the uniform stabilization of gas.
6. a kind of double gas hood gas shield devices of deep welding pipeline narrow gap TIG weld according to claim 1, feature exist
In: throttle valve (13) adjusts outer layer protection throughput.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821380071.9U CN209206684U (en) | 2018-08-27 | 2018-08-27 | A kind of double gas hood gas shield devices of deep welding pipeline narrow gap TIG weld |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821380071.9U CN209206684U (en) | 2018-08-27 | 2018-08-27 | A kind of double gas hood gas shield devices of deep welding pipeline narrow gap TIG weld |
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| CN209206684U true CN209206684U (en) | 2019-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821380071.9U Active CN209206684U (en) | 2018-08-27 | 2018-08-27 | A kind of double gas hood gas shield devices of deep welding pipeline narrow gap TIG weld |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014911A (en) * | 2019-12-23 | 2020-04-17 | 内蒙古第一机械集团股份有限公司 | Multi-angle quick-change welding gas protection dragging cover |
-
2018
- 2018-08-27 CN CN201821380071.9U patent/CN209206684U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014911A (en) * | 2019-12-23 | 2020-04-17 | 内蒙古第一机械集团股份有限公司 | Multi-angle quick-change welding gas protection dragging cover |
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