CN207447583U - Welding protection device and welding rifle - Google Patents
Welding protection device and welding rifle Download PDFInfo
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- CN207447583U CN207447583U CN201721609893.5U CN201721609893U CN207447583U CN 207447583 U CN207447583 U CN 207447583U CN 201721609893 U CN201721609893 U CN 201721609893U CN 207447583 U CN207447583 U CN 207447583U
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Abstract
The utility model provides a kind of welding protection device and welding rifle, is related to technical field of welding equipment.The welding protection device includes the connecting column, adapter ring and gas distributor all the way being coaxially linked in sequence；The connecting column, the adapter ring and the gas distributor all the way are hollow, form the first passage for being connected with welding torch；Lantern ring is also arranged on the outside of the end of the gas distributor all the way, stainless steel wire screen component is provided on the lantern ring, the stainless steel wire screen component is fixed by pressure ring；The outer of the outer of the adapter ring to the stainless steel wire screen component is arranged with glass gas hood, and the inner space of the glass gas hood forms second channel.The utility model solve it is in the prior art can only lead to all the way protective gas come the technical issues of carrying out the welding of aluminium alloy pipeline.
Description
Technical field
The utility model is related to technical field of welding equipment, more particularly, to a kind of welding protection device and welding rifle.
Background technology
Aluminium alloy has many advantages, such as that good corrosion resistance, higher specific strength, electric conductivity and thermal conductivity are good, in aviation, boat
My god, automobile, machine-building, widely applied in electrician and chemical industry.Welding is in a kind of metal material processing manufacturing process
The more a kind of material processing method used.It is widely used in the welding of aluminium and aluminium alloy because of the weld characteristics of TIG welderings
This welding rifle.
Sometimes during the aluminium alloy butt welding of intermediate gauge, it is contemplated that practical engineering application, it is desirable that square groove directly carries out
Butt welding, while must ensure that the root of weld penetrates, the penetration power helium larger compared with strong, thermal conductivity will be considered as in this case
Gas is as protective gas.Since helium is extremely rare in the intracrustal content in China, price will be significantly larger than argon gas, if big face
Product uses, and production cost will greatly increase.Protective gas all the way can only be led in existing TIG weld protective device to carry out
The welding of aluminium alloy pipeline.
Based on this, the utility model provides a kind of welding protection device and welding rifle to solve the technical issues of above-mentioned.
Utility model content
The purpose of this utility model is to provide a kind of welding protection device, to solve in the prior art to lead to
Protective gas is come the technical issues of carrying out the welding of aluminium alloy pipeline all the way.
The purpose of this utility model, which also resides in, provides a kind of welding rifle, for solving above-mentioned technical problem.
Based on above-mentioned first purpose, the utility model provides a kind of welding protection device, including what is be coaxially linked in sequence
Connecting column, adapter ring and gas distributor all the way；The connecting column, the adapter ring and described during gas distributor is equal all the way
Sky forms the first passage for being connected with welding torch；Wherein, the air inlet of the first passage is arranged on the switching
The end of column, gas outlet are arranged on the end of the gas distributor all the way；
Lantern ring is also arranged on the outside of the end of the gas distributor all the way, stainless steel cloth group is provided on the lantern ring
Part, the stainless steel wire screen component are fixed by pressure ring；The outer of the adapter ring to the outer of the stainless steel wire screen component
Glass gas hood is arranged with, the inner space of the glass gas hood forms second channel；Wherein, the air inlet of the second channel
It is arranged on the adapter ring, gas outlet is the mesh of the stainless steel wire screen component.
Optionally, the welding protection device, the stainless steel wire screen component include multilayer stainless steel cloth and support chip；
The support chip is used to support stainless steel cloth described in multilayer.
Optionally, the welding protection device, the stainless steel wire screen component include five layers of stainless steel cloth and two branch
Blade；Wherein, the mesh number close to two layers of stainless steel cloth of the second channel is 60-70；Described in one layer intermediate not
The mesh number of rust steel wire is 100-110；The mesh number of other two layers of stainless steel cloth is 80-90；The support chip
Mesh number is 12-16.
Optionally, the welding protection device, the gas outlet of the first passage is superimposed by multilayer steel wire to be formed.
Optionally, the welding protection device, the lantern ring are connected through a screw thread with the gas distributor all the way.
Optionally, the welding protection device, the connecting column and the adapter ring are connected through a screw thread.
Optionally, the welding protection device, the position that the connecting column is threadedly coupled with the adapter ring are equipped with the first O
Type sealing ring.
Optionally, the welding protection device, the adapter ring are sealed by the second O-ring seal and the glass gas hood
Connection.
Optionally, the welding protection device, the connecting column, the adapter ring and the gas distributor all the way are
Red copper material.
Based on above-mentioned second purpose, the utility model provides a kind of welding rifle, including welding torch and the weldering
Connect protective device；
The connecting column is connected close to one end of the air inlet of the first passage with the welding torch.
The welding protection device provided by the utility model, including connecting column, the adapter ring and one being coaxially linked in sequence
Road gas distributor；The connecting column, the adapter ring and the gas distributor all the way are hollow, form for welding
The first passage of gun body connection；Wherein, the air inlet of the first passage is arranged on the end of the connecting column, and gas outlet is set
In the end of the gas distributor all the way；Lantern ring, the lantern ring are also arranged on the outside of the end of the gas distributor all the way
On be provided with stainless steel wire screen component, the stainless steel wire screen component is fixed by pressure ring；The outer of the adapter ring is to described
The outer of stainless steel wire screen component is arranged with glass gas hood, and the inner space of the glass gas hood forms second channel；Wherein,
The air inlet of the second channel is arranged on the adapter ring, and gas outlet is the mesh of the stainless steel wire screen component.This reality
With the welding protection device of new offer, first passage is for being passed through helium, to carry out the protection of tungsten electrode, weld seam molten bath；Second
Passage is used to be passed through the mixed gas of argon gas and helium, to carry out the protection of heat affected area around molten bath.Compared with prior art,
Welding protection device provided by the utility model, it is simple in structure, it is easy to process, it is versatile, not only to tungsten electrode, weld seam and hot shadow
It is good to ring area's protecting effect, and two-way difference protective gas can be led to, meets logical two kinds of protective gas simultaneously and carries out welding protection
Demand.
The welding rifle provided by the utility model, mounting and adjusting is convenient, using two-way difference protective gas, is given birth to reducing
Produce cost while, moreover it is possible to carry out intermediate gauge aluminium alloy square groove butt welding and its welding process in tungsten electrode, weld seam and
The good protection of heat affected area.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it describes below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram for the welding protection device that the utility model embodiment provides；
Fig. 2 is the structure diagram that the welding protection device that the utility model embodiment provides does not include glass gas hood；
Fig. 3 is the sectional view of Fig. 1；
Fig. 4 is the flow chart for the welding rifle that the utility model embodiment provides.
Icon：1- tungsten electrodes；2- connecting columns；3- adapter rings；The first O-ring seals of 4-；Mono- road gas distributors of 5-；6- covers
Ring；7- stainless steel wire screen components；8- pressure rings；9- intake interfaces；10- glass gas hoods；The second O-ring seals of 11-.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
The utility model must have specific with the device or element for simplifying description rather than instruction or hint meaning for ease of description
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
Concrete meaning of the language in the utility model.
Embodiment one
Fig. 1 is the structure diagram for the welding protection device that the utility model embodiment provides；Fig. 2 is real for the utility model
The welding protection device for applying example offer does not include the structure diagram of glass gas hood；Fig. 3 is the sectional view of Fig. 1.
As shown in Figure 1, Figure 2 and Figure 3, the utility model provides a kind of welding protection device, including tungsten electrode 1, connecting column
2nd, adapter ring 3, all the way the first O-ring seal 4, gas distributor 5, lantern ring 6, pressure ring 8, stainless steel wire screen component 7, intake interface
9th, glass gas hood 10, the second O-ring seal 11；The tail end of connecting column 2 is connected with the head end of adapter ring 3, and the head end of connecting column 2 adds
Work has external screw thread, which can be fixedly connected on after smearing thread locking adhesive in automatic welding gun body, forms one completely
Welding gas protects system, easy to operate, cheap, versatile.
The head end of gas distributor 5 is connected with the end of adapter ring 3 all the way；5 terminus inner of gas distributor is set all the way
There is protective gas multilayer steel wire gas outlet all the way.Connecting column 2, adapter ring 3, the middle part of gas distributor 5 is both provided with all the way
Passage, connecting column 2, adapter ring 3, after gas distributor 5 connects all the way, the connection of respective passage form first passage, and first
Passage is communicated with the gas passage of automatic welding gun body, and first passage connects composition first with the gas passage of automatic welding gun body
The passage of road protective gas forms the protection to tungsten electrode, welding pool；5 end multilayer steel wire outlet of gas distributor all the way
The setting of mouth ensure that the protective gas of gas outlet afterbody this three-dimensional scope to welding pool is in laminar condition, to tungsten
Pole, welding pool form good protection.
Lantern ring 6 is fixed in the distal outer surface of gas distributor 5 all the way, and pressure ring 8 is fixed on lantern ring 6, stainless steel wire
Screen component 7 is fixed between lantern ring 6 and pressure ring 8；Glass gas hood 10 is fixed on adapter ring 3, the inner space of glass gas hood 10
Second channel is formd, wherein, the air inlet of second channel is arranged on adapter ring 3, and passes through the gas of intake interface 9 and gas cylinder
Pipe connects；The mesh of stainless steel wire screen component 7 is the gas outlet of second channel；Intake interface 9, second channel and stainless steel cloth
Component 7 constitutes the passage of the second road protective gas, forms the protection to weld heat-affected zone, is formed simultaneously to tungsten electrode, welding
Molten bath further protection prevents the oxidation and pollution of external air.
Lantern ring 6 is connected through a screw thread the latter half for being fixed on gas distributor 5 all the way.Pressure ring 8 is connected through a screw thread solid
It is scheduled on lantern ring 6, head end end face is bonded with 7 distal end faces of stainless steel wire screen component.7 centre of stainless steel wire screen component is
Hollow, inflated diameter is consistent with 6 afterbody outer diameter of lantern ring, through the afterbody of lantern ring 6, is fixed and supported by lantern ring 6 and pressure ring 8.
The head end end face of stainless steel wire screen component 7 is bonded with the distal end faces of lantern ring 6, and distal end faces are disperseed with gas all the way
The distal end faces of device 5 are concordant.This ensure that the gas outlet flush of two-way protective gas, guarantor is integrally formed beneficial to when welding
Shield.
Glass gas hood 10 is interference fitted in by the first O-ring seal 4 of adapter ring on adapter ring 3, and distal end faces are slightly higher
In the distal end faces of lantern ring 6.The internal diameter of glass gas hood 10 is slightly larger than the outer diameter of adapter ring 3, O-shaped close with first by means of adapter ring
Seal 4 is interference fitted on adapter ring 3, and this soft cooperation ensure that interference fit and gas tightness.
Stainless steel wire screen component 7 includes five layers of stainless steel cloth, two panels support chip；Intermediate one layer of stainless steel cloth mesh number model
Enclose for：100-110, two layers of stainless steel cloth mesh number of head end is 60-70, and two layers of stainless steel cloth mesh number of end is 80-90,
Support chip mesh number is 12-16；Wherein the thickness of stainless steel cloth is 0.4-0.6mm, and the thickness of support chip is 0.9-1.2mm.No
The internal diameter of the outer diameter and glass gas hood 10 of 7 layers of rust steel wire screen component is smaller or consistent, so ensures that the second road protective gas is all
Go out from 7 layer of second protection gas outlet of stainless steel cloth component.The stainless steel cloth of the multilayer different meshes of setting, it is therefore intended that drop
The flow velocity of low second road protective gas, effectively successively disperses and uniform protective gas, formation laminar flow layer improve protection effect
Fruit.
Specifically, in the present embodiment, 1 diameter of tungsten electrode uses the end tungsten electrode passage of Φ 2.5mm, all the way gas distributor 5
The a diameter of Φ 2.6mm of mouth.Stainless steel cloth 7 includes five layers of stainless steel cloth, two panels support chip, intermediate one layer of stainless steel wire mesh
Counting scope is：100, two layers of stainless steel cloth mesh number of head end is 60, and two layers of stainless steel cloth mesh number of end is 80, support chip
Mesh number is 14；Wherein the thickness of stainless steel cloth is 0.5mm, and the thickness of support chip is 1mm.The internal diameter of glass gas hood 10 is Φ
64mm.Protective gas is pure helium all the way, and two road protective gas add helium the mixed gas of gas for argon gas.
Tungsten electrode 1, connecting column 2, adapter ring 3, all the way the first O-ring seal 4, gas distributor 5, lantern ring 6, pressure ring 8, stainless
Steel wire screen component 7, glass gas hood 10, the second O-ring seal 11 are all cylindrical structures, for coaxial assembling, wherein connecting column 2,
Adapter ring 3, gas distributor 5 is made of red copper material all the way, ensure that the electric conductivity of tungsten electrode.The setting of cylindrical structure is protected
Maximum gas shield scope is demonstrate,proved.
It is threadedly coupled in connecting column 2, adapter ring 3 at assembling and is provided with the second O-ring seal 11 of connecting column, ensured all the way
The leakproofness of protective gas passage.
Protective gas uses pure helium all the way, and two road protective gas are added helium the mixed gas of gas using argon gas, the heat of helium
Conductance is big, and penetration power is strong, leads to there are two types of the TIG weld protective device of protective gas suitable for intermediate gauge aluminium alloy square groove
When TIG bottoming welding.
Embodiment two
This embodiment offers a kind of welding rifle, weldering of the welding rifle described in including welding torch and embodiment one
Connect protective device；
One end of air inlet of the connecting column 2 close to the first passage is connected with the welding torch.
Specifically, one end of air inlet of the connecting column 2 close to the first passage is provided with external screw thread；The welding
Gun body is provided with internal thread with the position that the welding protection device is connected, and the welding protection device passes through the connecting column 2
The external screw thread of end is connected with the welding torch, constitutes the welding rifle that can lead to two-way protective gas.Wherein, the first via is protected
The passage of shield gas is passed through pure helium, forms the protection to tungsten electrode 1, welding pool；The passage of second road protective gas is passed through helium
The mixed gas of gas and argon gas forms the protection to weld heat-affected zone, is formed simultaneously further to tungsten electrode 1, welding pool
Protection, prevents the oxidation and pollution of external air.
Embodiment three
As shown in figure 4, this embodiment offers a kind of welding rifle, the welding rifle includes the following steps：
Step 1, by the connecting column, the adapter ring, the gas distributor all the way, the lantern ring, the pressure ring, institute
State stainless steel wire screen component, the glass gas hood is assembled into an entirety by corresponding order；
Step 2, general lengthening tungsten electrode folder is placed in the first passage；
Step 3, tungsten electrode is put into the lengthening tungsten electrode folder；
Step 4, the length of the glass gas hood is stretched out at the tip for adjusting tungsten electrode；
Step 5, the welding protection device is fixed in the gun body of automatic welding gun；
Step 6, the second channel is connected with the tracheae of gas cylinder；
Step 7, start welding machine, the first passage is made to be passed through helium；The gas circuit of the second channel is opened simultaneously, makes institute
State the mixed gas that second channel is passed through argon gas and helium.
Specifically, general lengthening tungsten electrode folder is placed in the passage of connecting column 2；Φ 2.5mm tungsten electrodes 1 are put into general
Φ 2.5mm are lengthened in tungsten electrode folder；The tip ends for adjusting tungsten electrode 1 stretch out the extension elongation of glass gas hood；Pass through 2 head end of connecting column
Screw thread the TIG weld protective device is fixed in the gun body of automatic welding gun；The gas of two tunnels protection gas cylinder will be connected to
Pipe is connected on intake interface 9；The aluminium alloy pipeline of 6mm thickness square grooves is docked, manual welding carries out spot welding and fixes, together
When base material in the range of 120mm around weld seam is preheated；Dynamic welding machine, starts pre-aeration, the protective gas all the way from welding gun
Pure helium come out by the passage of setting from the gas outlet that 5 end of gas distributor all the way is set, and carries out tungsten electrode, weld seam molten bath
Protection is simultaneously from the hybrid protection gas of the helium+argon gas on two tunnels, carries out the protection of heat affected area around molten bath；After start
Welding generates electric arc, is welded.
In conclusion it is provided by the utility model be connected with two-way protective gas TIG weld protective device it is simple in structure, add
Work is convenient, versatile, not only good to tungsten electrode, weld dimensions protecting effect, and can lead to the different protection gas of two-way
Body meets while leads to the needs of two kinds of protective gas carry out welding protection；Welding protection device welding provided by the utility model
Method, mounting and adjusting is convenient, using two-way difference protective gas, while production cost is reduced, moreover it is possible to carry out intermediate gauge
The good protection of tungsten electrode, weld dimensions in the butt welding of aluminium alloy square groove and its welding process.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from this practicality newly
The scope of each embodiment technical solution of type.
Claims (10)
1. a kind of welding protection device, which is characterized in that including the connecting column, adapter ring and gas point all the way being coaxially linked in sequence
Dissipate device；The connecting column, the adapter ring and the gas distributor all the way are hollow, form to connect with welding torch
First passage；Wherein, the air inlet of the first passage is arranged on the end of the connecting column, and gas outlet is arranged on described one
The end of road gas distributor；
Lantern ring is also arranged on the outside of the end of the gas distributor all the way, stainless steel wire screen component is provided on the lantern ring,
The stainless steel wire screen component is fixed by pressure ring；The outer of the outer of the adapter ring to the stainless steel wire screen component is arranged
There is glass gas hood, the inner space of the glass gas hood forms second channel；Wherein, the air inlet of the second channel is set
On the adapter ring, gas outlet is the mesh of the stainless steel wire screen component.
2. welding protection device according to claim 1, which is characterized in that the stainless steel wire screen component includes multilayer not
Become rusty steel wire and support chip；The support chip is used to support stainless steel cloth described in multilayer.
3. welding protection device according to claim 2, which is characterized in that the stainless steel wire screen component includes five layers not
Become rusty steel wire and two support chips；Wherein, the mesh number close to two layers of stainless steel cloth of the second channel is 60-
70；The mesh number of intermediate one layer of stainless steel cloth is 100-110；The mesh number of other two layers of stainless steel cloth is
80-90；The mesh number of the support chip is 12-16.
4. welding protection device according to claim 1, which is characterized in that the gas outlet of the first passage is by composite steel
Silk screen is superimposed to be formed.
5. welding protection device according to claim 1, which is characterized in that the lantern ring and the gas distributor all the way
It is connected through a screw thread.
6. welding protection device according to claim 1, which is characterized in that the connecting column and the adapter ring pass through spiral shell
Line connects.
7. welding protection device according to claim 6, which is characterized in that the connecting column connects with the adapter ring screw thread
The position connect is equipped with the first O-ring seal.
8. welding protection device according to claim 1, which is characterized in that the adapter ring passes through the second O-ring seal
It is tightly connected with the glass gas hood.
9. welding protection device according to claim 1, which is characterized in that the connecting column, the adapter ring and described
Gas distributor is red copper material all the way.
10. a kind of welding rifle, which is characterized in that including welding torch and welding as described in any one of claims 1-9
Protective device；
The connecting column is connected close to one end of the air inlet of the first passage with the welding torch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721609893.5U CN207447583U (en) | 2017-11-27 | 2017-11-27 | Welding protection device and welding rifle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721609893.5U CN207447583U (en) | 2017-11-27 | 2017-11-27 | Welding protection device and welding rifle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207447583U true CN207447583U (en) | 2018-06-05 |
Family
ID=62278565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721609893.5U Active CN207447583U (en) | 2017-11-27 | 2017-11-27 | Welding protection device and welding rifle |
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| Country | Link |
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| CN (1) | CN207447583U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107717192A (en) * | 2017-11-27 | 2018-02-23 | 北京星通浩宇科技发展有限公司 | The application method of welding protection device and welding protection device |
-
2017
- 2017-11-27 CN CN201721609893.5U patent/CN207447583U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107717192A (en) * | 2017-11-27 | 2018-02-23 | 北京星通浩宇科技发展有限公司 | The application method of welding protection device and welding protection device |
| CN107717192B (en) * | 2017-11-27 | 2023-11-03 | 北京星通浩宇科技发展有限公司 | Welding protection device and use method thereof |
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