CN205927466U - Welder drags cover with hysteresis protection gas that distributes gas circuit many times - Google Patents
Welder drags cover with hysteresis protection gas that distributes gas circuit many times Download PDFInfo
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- CN205927466U CN205927466U CN201620758103.9U CN201620758103U CN205927466U CN 205927466 U CN205927466 U CN 205927466U CN 201620758103 U CN201620758103 U CN 201620758103U CN 205927466 U CN205927466 U CN 205927466U
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Abstract
The utility model provides a welder drags cover with hysteresis protection gas that distributes gas circuit many times which characterized in that: including dragging cover shell (1) and first distribution core (2), the both sides face of the long limit orientation of first distribution core (2) with drag the intermural a plurality of final stage gas circuit passageways (9) that are provided with in the cover shell (1), drag the top surface of cover shell (1) to be equipped with a protection gas entry (12), and first distribution core (2) top and drag to cover and be equipped with an one -level gas circuit passageway (5), two second grade gas circuit passageways (6) and four tertiary gas circuit passageway (7) between shell (1), the intake airflow of protection gas entry (12) is divided into two to two strands of air currents through one -level gas circuit passageway (5) earlier, and each is divided into two these two strands of air currents through second grade gas circuit passageway (6) again and forms four strands of air currents, and each is divided into two these four strands of air currents through tertiary gas circuit passageway (7) again and forms the stereotyped writing air current, and until letting in final stage gas circuit passageway (9), blow out gap (11) after protection gas is given vent to anger.
Description
Technical field
This utility model is related to field of welding devices and in particular to the delayed shielding gas of welding gun repeated dispensing gas circuit drags
Cover.
Background technology
During automatic welding, welding gun moves forward, the rapid cooled and solidified of metal bath, but remaining temperature is still very high, if vertical
I.e. ingress of air, metal surface will be oxidized, destroys welding quality.So general solution is to install one on welding gun additional
Individual delayed shielding gas drags cover, noble gases（It is usually argon）Flow out from dragging cover, by the metal surface just welded inertia
Gas wrapping, air-isolation is contacted with metal surface, the protective effect of argon when having continued welding.Continue to reach Deng welding gun
Dynamic, delayed shielding gas drags cover behind metal surface, and metal bath has been lowered the temperature, and oxidation also will not be occurred during ingress of air more anti-
Should.
Existing delayed shielding gas drags cover, mainly interior set a filter screen, be to be passed through noble gases to drag cover, then by filter screen equal
Even air-flow, but because noble gases are turbulent flow dragging in cover, and gas pressure declines, and causes air pressure when giving vent to anger not enough and air-flow
Amount is uneven, and protected effect is limited.
Content of the invention
The purpose of this utility model is to provide a kind of delayed shielding gas of welding gun repeated dispensing gas circuit to drag cover, to solve
Drag the air pressure that cover gives vent to anger and the uniform and stable problem of air-flow.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is：A kind of welding gun is stagnant with repeated dispensing gas circuit
Shielding gas drags cover afterwards, distributes core including dragging cover shell and first；Described cover shell is dragged to be a strip transversely arranged
Housing, its lower end is uncovered to be provided with one and gives vent to anger gap along the shielding gas dragging cover shell long side direction；Described first distributes core is also
Strip, it is embedded at drags cover enclosure；
The two sides of long side direction and dragging of described first distribution core are provided with multiple final stage gas circuits and lead between cover outer casing inner wall
Road, each final stage gas channels are arranged along the vertical direction, and multiple final stage gas channels are on the long side direction of the first distribution core
Uniformly；As inlet end, the other end connects described shielding gas and gives vent to anger gap for one end of each final stage gas channels；
The described top surface dragging cover shell is provided with a shielding gas entrance, and the first distribution core top and dragging is provided between cover shell
One one-level gas channels, two two grades of gas channels and four three-level gas channels, described shielding gas entrance and one-level gas circuit
The stage casing of passage connects, and the one-to-one connection in stage casing of the two ends of one-level gas channels and two two grades of gas channels, and two
The two ends of two grades of gas channels and the one-to-one connection in stage casing of four three-level gas channels, and the two ends of four three-level gas channels
Connect the inlet end of described final stage gas channels, with the charge air flow of shielding gas entrance this described first through one point of one-level gas channels
It is two strands of air-flows for two, this two strands of air-flows are respectively further divided into four strands of air-flows of two formation through two grades of gas channels, and this four strands of air-flows are each
Further be divided into two formation stereotyped writing air-flows through three-level gas channels, until be passed through final stage gas channels, after go out through described shielding gas
Air cleft gap sprays.
In such scheme, also include one second distribution core, this second distribution core is also strip；Described first distribution core
Lower end sets depression and forms a cavity, and described second distribution core is embedded in the cavity of the first distribution core；Described second distribution core
A convergence shielding gas gap is opened up along its long side direction, this convergence shielding gas gap extends downwardly to go out with described shielding gas on top surface
Air cleft gap connects；Each final stage gas is corresponded between the inwall of the two sides of long side direction of described second distribution core and the first distribution core
Paths are provided with the extension passage of final stage gas channels, and the extension passage of this final stage gas channels is also arranged along the vertical direction, its
Lower end is connected with corresponding final stage gas channels, and upper end is connected with described convergence shielding gas gap.
Further, the described top center converging shielding gas gap is provided with a guiding wimble structure, by each final stage gas channels
Extend passage in air-flow be directed into converge shielding gas gap.
Further, described first distribution core is made up of a body and central bars, and body sets described cavity, described body
Top surface on set described two grades of gas channels and three-level gas channels, described central bars are embedded in the cavity of body, central bars
Top surface on open up described one-level gas channels, the end face center perforate of described body is by described shielding gas entrance and one-level gas circuit
The stage casing of passage connects, and also corresponds to the two ends perforate of described one-level gas channels on the top surface of body, by one-level gas channels
The stage casing of two ends and corresponding two grades of gas channels connect.
In such scheme, described final stage gas channels totally ten six；Described first distributes core top and drags between cover shell
It is additionally provided with eight level Four gas channels, a pair of the two ends of described four three-level gas channels and the stage casing of eight level Four gas channels
One connection, and the two ends of eight level Four gas channels connect the inlet end of 16 described final stage gas channels；With this, four three
Stereotyped writing air-flow formed in level gas channels is respectively further divided into 16 strands of air-flows of two formation through level Four gas channels, is passed through correspondence
Final stage gas channels.
In such scheme, the final stage gas channels of described first distribution core two sides, in the long side direction of the first distribution core
Upper interlaced.
Compared with prior art, this utility model has advantages below：
This utility model is to arrange multi-stage gas circuit passage on dragging cover, with the gas channels of one-level level by air inlet step by step
Evenly distribute, make the air-flow that shielding gas is given vent to anger at gap form laminar flow, make to give vent to anger air pressure and air-flow uniform and stable；Dragging the guarantor of cover
Shield gas give vent to anger gap and workpiece distance reach 20mm in the case of, remain to reach good protected effect, the guarantor of cover need not dragged
Shield gas is given vent to anger and is set soft curtain etc. at gap and keep out the wind accessory.
Brief description
Fig. 1 is this utility model embodiment schematic perspective view；
Fig. 2 is this utility model embodiment explosive decomposition schematic diagram；
Fig. 3 is this utility model embodiment gas channels at different levels type of attachment schematic diagram；
Fig. 4 is the generalized section of this utility model embodiment；
Fig. 5 is the top schematic diagram of the first distribution core of this utility model embodiment.
In the figures above：1st, drag cover shell；11st, shielding gas is given vent to anger gap；12nd, shielding gas entrance；2nd, the first distribution core；
21st, body；22nd, central bars；221st, guide wimble structure；3rd, the second distribution core；31st, converge shielding gas gap；5th, one-level gas circuit is led to
Road；6th, two grades of gas channels；7th, three-level gas channels；8th, level Four gas channels；9th, final stage gas channels；91st, final stage gas circuit is led to
The extension passage in road.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to this utility model：
Embodiment：Referring to shown in Fig. 1-Fig. 5：
A kind of delayed shielding gas of welding gun repeated dispensing gas circuit drags cover, including drag cover shell 1, first distribution core 2 and
Second distribution core 3.
Referring to shown in Fig. 2 and Fig. 4, described drag cover shell 1 for the housing of a strip transversely arranged, its lower end is uncovered
It is provided with one to give vent to anger gap 11 along the shielding gas dragging cover shell long side direction；Described first distribution core 2 is also strip, and it is embedded
In dragging inside cover shell 1；
Referring to shown in Fig. 2 and Fig. 4, two sides of long side direction of described first distribution core 2 and dragging set between cover shell 1 inwall
It is equipped with 16 final stage gas channels 9, each final stage gas channels 9 are arranged along the vertical direction, and multiple final stage gas channels 9 exist
Uniform on the long side direction of the first distribution core 2；One end of each final stage gas channels 9 connects described guarantor as inlet end, the other end
Shield gas is given vent to anger gap 11.
Referring to shown in Fig. 1-5, the described top surface dragging cover shell 1 is provided with a shielding gas entrance 12, and the first distribution core 2 top
And drag and between cover shell 1, be provided with one-level gas channels 6, four three-level gas channels 7 and eight of 5, two two grades of gas channels
Individual level Four gas channels 8, described shielding gas entrance 12 is connected with the stage casing of one-level gas channels 5, and one-level gas channels 5
Two ends and the one-to-one connection in stage casing of two two grades of gas channels 6, and the two ends of two two grades of gas channels 6 and four three-level gas
A pair of the stage casing of the one-to-one connection in stage casing of paths 7, the two ends of four three-level gas channels 7 and eight level Four gas channels 8
One connection, and the two ends of eight level Four gas channels 8 connect the inlet end of 16 described final stage gas channels 9.
Described one-level gas channels 6, four three-level gas channels 7 of 5, two two grades of gas channels and eight level Four gas circuits are led to
Road 8 is linear path.
Referring to shown in Fig. 1-5, described second distribution core 3 is also strip；The lower end of described first distribution core 2 sets concave shape
Become a cavity, described second distribution core 3 is embedded in the cavity of the first distribution core 2.Along it on the top surface of described second distribution core 3
Long side direction opens up a convergence shielding gas gap 31, and this convergence shielding gas gap 31 extends downwardly is given vent to anger gap with described shielding gas
11 connect；Each final stage gas circuit is corresponded between the inwall of the two sides of long side direction of described second distribution core 3 and the first distribution core 2
Passage 9 is provided with the extension passage 91 of final stage gas channels, and the extension passage 91 of this final stage gas channels is also arranged along the vertical direction,
Its lower end is connected with corresponding final stage gas channels 9, and upper end is connected with described convergence shielding gas gap 31.Above-mentioned second distribution
Core 3 effect is：Increased each stock air-flow assembling area length ensure laminar flow effect, and by air flue in the way of turning back cloth
Putting makes that support cover structure is more compact, compact.
With this, the charge air flow of described shielding gas entrance 12 is first divided into two as two strands of air-flows through one-level gas channels 5, this
Two strands of air-flows are respectively further divided into four strands of air-flows of two formation through two grades of gas channels 6, and this four strands of air-flows are respectively through three-level gas channels 7 again
Be divided into two formation stereotyped writing air-flow, and this stereotyped writing air-flow is respectively further divided into 16 strands of air-flows of two formation through level Four gas channels 8, is passed through
Corresponding final stage gas channels 9, through final stage gas channels extension passage 91 import converge shielding gas gap 31, after through described
Shielding gas gap 11 of giving vent to anger sprays.
Specifically, size is designed as most preferably as follows：The cross sectional area sum of described two two grades of gas channels 6 is one-level
1.5 times of the cross sectional area of gas channels 5, the cross sectional area sum of described four three-level gas channels 7 is two
1.5 times of the cross sectional area sum of two grades of gas channels 6, and the cross sectional area sum of eight level Four gas channels 8
It is 1.5 times of cross sectional area sum of four three-level gas channels 7, the channel cross-section face of 16 final stage gas channels 9
Long-pending sum is 1.5 times of the cross sectional area sum of eight level Four gas channels 8.
Specifically, referring to shown in Fig. 1-5, described first distribution core 2 is made up of a body 21 and central bars 22, on body 21
If described cavity, the top surface of described body 21 sets described two grades of gas channels 6, three-level gas channels 7 and level Four gas channels
8, described central bars 22 are embedded in the cavity of body 21, and the top surface of central bars 22 opens up described one-level gas channels 5, described
Described shielding gas entrance 12 is connected by the end face center perforate of body 21 with the stage casing of one-level gas channels 5, and the top of body 21
The two ends perforate of described one-level gas channels 5 is also corresponded on face, the two ends of one-level gas channels 5 are led to corresponding two grades of gas circuits
The stage casing in road 6 connects.
Referring to shown in Fig. 1-5, the described top center converging shielding gas gap 31 is provided with a guiding wimble structure 221, will be each
The air-flow extending in passage 91 of final stage gas channels is directed into converging shielding gas gap 31.Specifically, this guiding wimble structure 221
It is arranged on the bottom surface of central bars 22.
For air-out evenly, the final stage gas channels 9 of the preferably first distribution core 2 two sides are in the first distribution core 2
Interlaced on long side direction, the extension passage 91 of corresponding final stage gas channels is also interlaced on long side direction.
Air inlet is all distributed step by step by the present embodiment with the gas channels of one-level level, so that shielding gas is given vent to anger at gap 11
Air-flow forms laminar flow, make to give vent to anger air pressure and air-flow uniform and stable；Reach with the distance of workpiece in the shielding gas dragging cover gap 11 of giving vent to anger
In the case of 20mm, remain to reach good protected effect, the gear such as soft curtain need not be set at the shielding gas dragging cover gives vent to anger gap 11
Wind accessory.
Above-described embodiment is illustrated for preferred version, also includes following change in practice：
1st, actual level Four gas channels 8 can not be set, and to deserved final stage gas channels 9 and the final stage gas channels of reducing
Extend the quantity of passage 91, directly three-level gas channels 7 are connected with final stage gas channels 9 and give vent to anger uniformly it is also possible to reach
Effect, does not simply have above-mentioned example effect good.
2nd, equally in order to relatively fruit is good further, Pyatyi gas channels can also be further added by, deserved increase final stage gas circuit is led to
The quantity of the extension passage 91 of road 9 and final stage gas channels, will get more carefully, this can reach preferably effect, simply in air inlet
Cost and the volume and the length that increase support cover may be increased.
3rd, described second distribution core 3 can be save, and the air-flow directly distributing the final stage gas channels 9 on core 2 by first converges
Poly- spray and also may be used through shielding gas gap 11 of giving vent to anger.
Above-described embodiment is only that technology design of the present utility model and feature are described, its object is to allow and is familiar with technique
Personage will appreciate that content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.
All equivalence changes made according to this utility model spirit or modification, all should cover protection domain of the present utility model it
Interior.
Claims (7)
1. a kind of delayed shielding gas of welding gun repeated dispensing gas circuit drag cover it is characterised in that：Including dragging cover shell（1）And the
One distribution core（2）；Described drag cover shell（1）For the housing of a strip transversely arranged, its lower end is uncovered be provided with one along
The shielding gas dragging cover shell long side direction is given vent to anger gap（11）；Described first distribution core（2）Also it is strip, it is embedded at drags cover
Shell（1）Internal；
Described first distribution core（2）The two sides of long side direction with drag cover shell（1）It is provided with multiple final stage gas circuits between inwall
Passage（9）, each final stage gas channels（9）Arrange along the vertical direction, and multiple final stage gas channels（9）Distribute core first
（2）Long side direction on uniform；Each final stage gas channels（9）One end as inlet end, the other end connects described shielding gas and goes out
Air cleft gap（11）；
Described drag cover shell（1）Top surface be provided with a shielding gas entrance（12）, and the first distribution core（2）Top with drag cover shell
（1）Between be provided with one-level gas channels（5）, two two grades of gas channels（6）And four three-level gas channels（7）, described
Shielding gas entrance（12）With one-level gas channels（5）Stage casing connect, and one-level gas channels（5）Two ends and two two grades of gas
Paths（6）The one-to-one connection in stage casing, and two two grades of gas channels（6）Two ends and four three-level gas channels（7）'s
The one-to-one connection in stage casing, and four three-level gas channels（7）Two ends connect described final stage gas channels（9）Inlet end, with
This described shielding gas entrance（12）Charge air flow first through one-level gas channels（5）It is divided into two as two strands of air-flows, this two strands of gas
Stream each through two grades of gas channels（6）Further it is divided into four strands of air-flows of two formation, this four strands of air-flows are respectively through three-level gas channels（7）Further
It is divided into two formation stereotyped writing air-flows, until being passed through final stage gas channels（9）, after give vent to anger gap through described shielding gas（11）Spray.
2. according to claim 1 the delayed shielding gas of welding gun repeated dispensing gas circuit drag cover it is characterised in that：Also include one
Second distribution core（3）, this second distribution core（3）Also it is strip；Described first distribution core（2）Lower end set depression formed
Chamber, described second distribution core（3）It is embedded at the first distribution core（2）Cavity in；
Described second distribution core（3）Top surface on open up a convergence shielding gas gap along its long side direction（31）, this convergence protection
Air cleft gap（31）Extend downwardly and give vent to anger gap with described shielding gas（11）Connect；Described second distribution core（3）Long side direction
Two sides and the first distribution core（2）Inwall between correspond to each final stage gas channels（9）The extension being provided with final stage gas channels is led to
Road（91）, the extension passage of this final stage gas channels（91）Also arrange along the vertical direction, its lower end is led to corresponding final stage gas circuit
Road（9）Connection, and upper end and described convergence shielding gas gap（31）Connect.
3. according to claim 2 the delayed shielding gas of welding gun repeated dispensing gas circuit drag cover it is characterised in that：Described convergence
Shielding gas gap（31）Top center be provided with a guiding wimble structure（221）, by the extension passage of each final stage gas channels（91）
Interior air-flow is directed into converging shielding gas gap（31）.
4. according to claim 2 the delayed shielding gas of welding gun repeated dispensing gas circuit drag cover it is characterised in that：Described first
Distribution core（2）By a body（21）With central bars（22）Composition, body（21）On set described cavity, described body（21）Top
Described two grades of gas channels are set on face（6）With three-level gas channels（7）, described central bars（22）It is embedded at body（21）Cavity
Interior, central bars（22）Top surface on open up described one-level gas channels（5）, described body（21）End face center perforate will be described
Shielding gas entrance（12）With one-level gas channels（5）Stage casing connect, and body（21）Top surface on also correspond to described one-level gas
Paths（5）Two ends perforate, by one-level gas channels（5）Two ends and corresponding two grades of gas channels（6）Stage casing connect.
5. according to claim 1 the delayed shielding gas of welding gun repeated dispensing gas circuit drag cover it is characterised in that：Described final stage
Gas channels（9）Totally ten six；Described first distribution core（2）Top with drag cover shell（1）Between be additionally provided with eight level Four gas circuits
Passage（8）, described four three-level gas channels（7）Two ends and eight level Four gas channels（8）The one-to-one connection in stage casing, and
Eight level Four gas channels（8）Two ends connect 16 described final stage gas channels（9）Inlet end；With this, four three-levels
Gas channels（7）Formed in stereotyped writing air-flow respectively through level Four gas channels（8）Further it is divided into 16 strands of air-flows of two formation, be passed through
Corresponding final stage gas channels（9）.
6. according to claim 1 the delayed shielding gas of welding gun repeated dispensing gas circuit drag cover it is characterised in that：Described first
Distribution core（2）The final stage gas channels of two sides（9）Distribute core first（2）Long side direction on interlaced.
7. according to claim 1 the delayed shielding gas of welding gun repeated dispensing gas circuit drag cover it is characterised in that：Described two
Two grades of gas channels（6）Cross sectional area sum be one-level gas channels（5）1.5 times of cross sectional area, described
Four three-level gas channels（7）Cross sectional area sum be two two grades of gas channels（6）Cross sectional area sum
1.5 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620758103.9U CN205927466U (en) | 2016-07-19 | 2016-07-19 | Welder drags cover with hysteresis protection gas that distributes gas circuit many times |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620758103.9U CN205927466U (en) | 2016-07-19 | 2016-07-19 | Welder drags cover with hysteresis protection gas that distributes gas circuit many times |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205927466U true CN205927466U (en) | 2017-02-08 |
Family
ID=57929399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620758103.9U Expired - Fee Related CN205927466U (en) | 2016-07-19 | 2016-07-19 | Welder drags cover with hysteresis protection gas that distributes gas circuit many times |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205927466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110834134A (en) * | 2019-11-26 | 2020-02-25 | 中国航发沈阳黎明航空发动机有限责任公司 | Automatic argon tungsten-arc welding self-adaptive protective dragging cover |
-
2016
- 2016-07-19 CN CN201620758103.9U patent/CN205927466U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110834134A (en) * | 2019-11-26 | 2020-02-25 | 中国航发沈阳黎明航空发动机有限责任公司 | Automatic argon tungsten-arc welding self-adaptive protective dragging cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180724 Address after: 215125 Building 5, 88 Tang Zhuang Road, Suzhou Industrial Park, Suzhou, Jiangsu. Patentee after: Suzhou Industrial Park A-hand Technology Co.,Ltd. Address before: 215325 Xiu Yuan Road, south of Park Road, Zhouzhuang Town, Kunshan City, Suzhou, Jiangsu, China Patentee before: Kunshan A-Hand Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |