CN106670686A - Welding protection cover - Google Patents
Welding protection cover Download PDFInfo
- Publication number
- CN106670686A CN106670686A CN201710085344.0A CN201710085344A CN106670686A CN 106670686 A CN106670686 A CN 106670686A CN 201710085344 A CN201710085344 A CN 201710085344A CN 106670686 A CN106670686 A CN 106670686A
- Authority
- CN
- China
- Prior art keywords
- protective cover
- baffle plate
- welding protective
- breather
- welding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding protection cover. The welding protection cover comprises a shell and a breather pipe located inside the shell. The shell comprises side faces and a bottom face with first exhaust holes. The breather pipe is provided with second exhaust holes. The first exhaust holes form an exhaust face. The welding protection cover further comprises an adjusting mechanism used for adjusting the size of the exhaust area of the exhaust face. Due to arrangement of the adjusting mechanism, the exhaust area of the bottom face can be adjusted according to the area of a high-temperature welded joint area, the high-temperature welded joint area can be fully protected, and meanwhile the using amount of shielding gas is reduced.
Description
Technical field
The present invention relates to welding technology field, more particularly to a kind of welding protective cover.
Background technology
At high temperature chemical property is more active for titanium alloy, easily generates gap with the element reaction such as oxygen, nitrogen, hydrogen, carbon, ferrum
Solid solution, makes weldquality not up to standard, so in addition to protecting welding pool, in addition it is also necessary in the weld seam to welding pool rear portion
More than 300 DEG C of weld seam high-temperature region is tightly protected, and this is mainly completed by the tail part protection cover being connected with welding gun.It is existing
Protective cover generally includes the shell and the breather positioned inside the shell that bottom surface has steam vent, and shielding gas passes sequentially through breather
With after the steam vent of outer casing bottom towards weld seam high-temperature region move, so as to extrude weld seam high-temperature region in air, reach protection
Effect.Because the outlet area of enclosure bottom is fixed, so the weld seam high-temperature region area of protective cover energy covering protection is also
Fixed；But in actual production, due to the difference of wlding thickness, welding machine output also can be different, more than 300 DEG C of weld seam
High-temperature heating area area is also differed.Therefore, when the protected area of protective cover is less than weld seam high-temperature heating area, high-temperature heating area
The marginal position in domain can generate interstitial solid solution because protective gas is not covered well, and the mechanical performance for making final titanium alloy shows
Writing reduces.When the protected area of protective cover is more than weld seam high-temperature heating area, substantial amounts of protective gas costly can be caused
It is wasted, is unfavorable for enterprise's production economy benefit.
Additionally, existing protective cover is all directly to spray protective gas towards weld seam from the bottom surface of protective cover, in order to keep
Stable gas pressure, generally needs to maintain a certain distance between protective cover bottom surface and weld seam, but but causes shielding gas needs to exist
Move a segment distance in open atmospheric environment to remake for weld seam high-temperature region, so that shielding gas is extremely easily lost to
By Dilution air in open atmospheric environment, and or with air effect formed turbulent flow, this prevents shielding gas from giving full play to
The effect of protection, shielding gas consumption is obviously improved.
The content of the invention
Based on above-mentioned the deficiencies in the prior art, present invention is primarily targeted at a kind of welding protective cover is provided, to solve
Certainly the outlet area of protective cover is unadjustable in prior art, the problem that shielding gas is not efficiently utilized.
The present invention solves the technical scheme that adopted of above-mentioned technical problem for, welding protective cover, including shell and is located at
The breather of inside the shell, the shell includes side and the bottom surface with first row pore, and the breather contains second exhaust
Hole, the first row pore constitutes deflation area, and welding protective cover also includes adjusting the leaving area size of the deflation area
Governor motion.By arranging governor motion, the outlet area of bottom surface can be adjusted according to the area of weld seam high-temperature region, make weldering
The consumption of saving and protection gas while seam high-temperature region is adequately protected.
As the further improvement of above-mentioned welding protective cover, the governor motion include be located at bottom surface upper surface and/
Or lower surface can be along the baffle plate for axially or radially moving of the breather；The ventilative face of bottom surface is generally with weldering during due to using
Stitch and be symmetric for axis of symmetry so that weld seam high-temperature region shielding gas everywhere is uniformly distributed, it is therefore preferable that making the baffle plate edge
The axially-movable of breather, such benefit can be directly to use after baffle plate has adjusted the leaving area size of deflation area,
Avoid further adjusting the relative position between protective cover and welding gun.It is provided between the baffle plate and corresponding side or bottom surface and leads
To device, its role is to be easy to baffle plate that relative motion occurs with bottom surface.It is provided with restriction baffle plate between the baffle plate and bottom surface to move
First limits device of dynamic distance；The baffle plate is provided with the second limits device for limiting baffle plate displacement.First limits dress
It is to carry out spacing for the movement of baffle plate to put with the effect of the second limits device, and anti-baffle plate departs from shell.
Used as the further improvement of above-mentioned welding protective cover, the guider is included located at baffle plate and corresponding side
Or the be mutually matched first raised and guide rail of the junction of bottom surface, when guide rail is on baffle plate, first is raised located at side
On, conversely, when guide rail is on side, the first projection is then on baffle plate.First limits device is included located at baffle plate
And groove raised be mutually matched the second of the junction of bottom surface, when groove is on baffle plate, second is raised located at bottom surface
On, conversely, when groove is on bottom surface, the second projection is then on baffle plate；It is preferred that making the second projection on bottom surface, now
More first row pores can be set on bottom surface, increase protected effect；Additionally, the first limits device can also anti-baffle plate shifting
There is left and right skew when dynamic and hinder the first raised relative motion with guide rail.Second limits device is positioned at the upper of baffle plate
The 3rd of surface and/or lower surface is raised, when the 3rd projection movement is to case surface, you can limit the further fortune of baffle plate
It is dynamic；The shape and size of the 3rd projection can be arranged as required to, and the 3rd projection can be made to use as pushing hands, be easy to artificial promotion
Baffle plate.
As the further improvement of above-mentioned welding protective cover, also including the apron for being arranged on bottom periphery, the apron
Material be that a semienclosed welding inertia shielding gas protection air cushion is constituted in fire proofing material, and apron.By arranging half
Enclosed welding inertia shielding gas protection air cushion so that the shielding gas that protective cover sprays can in semienclosed apron with weldering
Material acts on forming an air cushion being made up of welding inertia shielding gas, and inertia shielding gas is stitched in semi-enclosed environment by apron
Gap is slowly overflowed on a small quantity and uniaxially in air, the stable gas pressure of air cushion is maintained by need to only injecting a small amount of shielding gas, so
Significantly improve protected effect.
Used as the further improvement of above-mentioned welding protective cover, the fire proofing material is flameproof fabric.Flameproof fabric is relatively more soft
The fire proofing material of property, the apron by made by flameproof fabric can preferably fit wlding, and when the pressure of apron internal protection air cushion
When power is higher, it is possible to prop up apron edge to form gap, shielding gas is slowly overflowed along gap, reach the air pressure in apron
To dynamic equilibrium, good and stable protected effect is formed.Wherein, flameproof fabric can using Silicone Rubber Coated glass fabric,
Basalt fibre flameproof fabric, acrylon cotton fiber flameproof fabric, meta-aramid flameproof fabric, blue glass flameproof fabric, aluminium foil flameproof fabric or
Ceramic fibre flameproof fabric.
As the further improvement of above-mentioned welding protective cover, also include that the air-flow being located between breather and bottom surface accelerates
Device.By arranging flow accelerator, the rate of outflow of shielding gas can be obviously improved, can be in the usage amount for reducing shielding gas
While keep preferable protected effect.
Used as the further improvement of above-mentioned welding protective cover, the flow accelerator is the gas for being provided with the 3rd steam vent
Stream plate；By arranging airflow plate, it is distributed can the shielding gas that flowed out from the first outer casing bottom more uniform, protected effect is more
It is good.The upper opening area of the 3rd steam vent is " V " type more than the cross section of lower openings area and/or the airflow plate
And it is opening down, above-mentioned setting can increase turbulence effects of the shielding gas in inside the shell, so as to be obviously improved the stream of shielding gas
Go out speed, device is simple and protected effect is obviously improved.
Used as the further improvement of above-mentioned welding protective cover, the second row pore is located at the lower half of the breather
It is in charge of on wall.Different from 360 ° of the breather of other protective covers full axial apertures, the breather of the protective cover of the present invention only exists
Cross-sectional horizontal can improve shielding gas pressure in breather with lower portion perforate when identical shielding gas flow is input into, and make gas
Body has than larger flow velocity, and the shielding gas for making ejection preferably concentrates on weld seam high-temperature region, while protected effect is improved
About shielding gas.
As the further improvement of above-mentioned welding protective cover, also including the attachment means for adjusting breather setting height(from bottom).
Using the attachment means with the setting height(from bottom) function of adjusting breather, move distance of the shielding gas in inside the shell can be adjusted,
It is accordingly the flow velocity of scalable shielding gas.In addition the installation site of flow accelerator can also be adjusted, to adjust shielding gas
In the turbulent extent of inside the shell.
As the further improvement of above-mentioned welding protective cover, the attachment means include with breather socket the collar and
It is provided with the fix bar of multiple installing holes.Accordingly, shell be provided with attachment means for installing hole, be using bolt assembly
Fix bar and cage connection can be made, so as to fixed breather.
With reference to the accompanying drawings and detailed description the present invention is described further.The additional aspect of the present invention and excellent
Point will be set forth in part in the description, and partly will become apparent from the description below, or by the practice of the present invention
Solve.
Description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, and the present invention's is embodied as
Mode, schematic description and description do not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of the welding protective cover of embodiment 1.
Fig. 2 is the partial sectional view of the welding protective cover of embodiment 1.
Fig. 3 is the structural representation of the bottom surface of embodiment 1.
Fig. 4 is the structural representation after the putting upside down of baffle plate of embodiment 1.
Fig. 5 is the structural representation of the airflow plate of embodiment 1.
Fig. 6 is the structural representation of the breather of embodiment 1.
Fig. 7 is the structural representation of the welding protective cover of embodiment 2.
Fig. 8 is the partial sectional view of the welding protective cover of embodiment 2.
Fig. 9 is the structural representation after the putting upside down of bottom surface of embodiment 2.
Figure 10 is the structural representation of the baffle plate of embodiment 2.
Figure 11 is the structural representation after the putting upside down of baffle plate of embodiment 3.
Figure 12 is the structural representation after the putting upside down of bottom surface of embodiment 4.
Figure 13 is the structural representation after the putting upside down of bottom surface of embodiment 5.
Figure 14 is the structural representation of the baffle plate of embodiment 5.
Specific embodiment
It should be noted that in the case where not conflicting, specific embodiment, embodiment in the application and therein
Feature can be mutually combined.Let us now refer to the figures and describe the present invention in detail with reference to herein below.
In order that those skilled in the art are better understood from the present invention program, below in conjunction with specific embodiment party of the present invention
Accompanying drawing in formula, embodiment, to the technical scheme in the specific embodiment of the invention, embodiment clear, complete description is carried out,
Obviously, described embodiment is only the embodiment of a branch of the invention, rather than the embodiment of whole.Based in the present invention
Specific embodiment, embodiment, what those of ordinary skill in the art were obtained on the premise of creative work is not made
Every other embodiment, embodiment, should all belong to the scope of protection of the invention.
Embodiment 1
Welding protective cover as shown in figures 1 to 6, including profile is the shell and the breather positioned inside the shell of cuboid
2, the shell includes bottom surface 11, leading flank 12, trailing flank 13, left surface 14 and right flank 15；The bottom surface 11 is provided with first
Steam vent 100, the first row pore 100 constitutes deflation area, and the upper opening area of the first row pore 100 is more than bottom
Aperture area；The right flank 15 is provided with the through hole passed through for breather 2, the two ends of the breather 2 respectively with left surface
14 and right flank 15 connect；The breather 2 is provided with second row pore 200, and the second row pore 200 is only located at described logical
On the latter half tube wall of trachea 2.
Also include the governor motion of the leaving area size of the regulation deflation area.The governor motion includes being located at bottom surface
11 upper surface can be along the baffle plate 3 of the axial movement of the breather 2.The two ends of the baffle plate 3 respectively with leading flank 12 and
Guider is provided between trailing flank 13, the guider is included located at the first projection 41 of the both sides of baffle plate 3 and located at front side
The guide rail 42 matched with described first raised 41 on face 12 and trailing flank 13.Restriction is provided between the baffle plate 3 and bottom surface 11
First limits device of the displacement of baffle plate 3, first limits device includes the second projection 51 on the lower surface of baffle plate 3
With the groove 52 matched with described second raised 51 located at the upper surface of bottom surface 11.The baffle plate 3 is provided with restriction baffle plate 3 and moves
Second limits device of distance, second limits device is the 3rd projection 31 positioned at the upper surface end of baffle plate 3.Described first
Raised 41 is bar shaped, and second raised 51 is cylinder, and the described 3rd raised 31 is bar shaped.
Also include the apron 7 being connected with four sides, the material of the apron 7 is that one is constituted in flameproof fabric, and apron 7
Semienclosed welding inertia shielding gas protection air cushion.The upper end of the apron 7 is provided with bar shaped bar 71, the flameproof fabric with it is described
The bonding of bar shaped bar 71；The bar shaped bar 71 is the band steel for being provided with installing hole, and the bar shaped bar 71 passes through with the bottom of four sides
Bolt assembly 9 connects.
Also include the flow accelerator being located between breather 2 and bottom surface 11.The flow accelerator is to be provided with the
The airflow plate 6 of three steam vents 300；The upper opening area of the 3rd steam vent 300 is more than lower openings area and the gas
The cross section of stream plate 6 is " V " type and opening down.Respectively it is connected with the two ends of the airflow plate 6 and is provided with consolidating for multiple installing holes
Fixed pole 8, the fix bar 8 is connected respectively with left surface 14 and right flank 15 by bolt assembly 9.
Also include adjusting the attachment means of the setting height(from bottom) of breather 2.The attachment means include the set with the socket of breather 2
Ring 81 and the fix bar 8 of multiple installing holes is provided with, the fix bar 8 is connected so that logical with left surface 14 by bolt assembly 9
Trachea 2 is fixed.
Embodiment 2
Compared with Example 1, the welding protective cover of the present embodiment has following difference：As is seen in figs 7-10, the gear
Plate 3 be located at bottom surface 11 lower surface and can be along the axial movement of the breather 2.First limits device is included located at baffle plate
Groove 52 and the second projection 51 matched with the groove 52 located at the lower surface of bottom surface 11 on 3 upper surfaces.
Embodiment 3
Compared with Example 1, the welding protective cover of the present embodiment has following difference：As shown in figure 11, the guide rail
42 located at the both sides of the baffle plate 3, and first matched with the guide rail 42 raised 41 is on leading flank 12 and trailing flank 13.
Embodiment 4
Compared with Example 1, the welding protective cover of the present embodiment has following difference：As shown in figure 12, the apron 7
(not shown) is connected with the lower surface of the bottom surface 11, and the connecting rod 71 of the flameproof fabric upper end is the angle with multiple installing holes
Steel, the angle steel is connected with the lower surface of bottom surface 11 by bolt assembly 9.
Embodiment 5
Compared with Example 2, the welding protective cover of the present embodiment has following difference：As illustrated in figs. 13-14, it is described to lead
It is located between the baffle plate 3 and bottom surface 11 to mechanism, described first raised 41 located at the upper surface two ends of the baffle plate 3, with institute
The guide rail 42 of the first raised 41 matching is stated located at the two ends of the lower surface of the bottom surface 11.
Claims (10)
1. welding protective cover, including shell and the breather (2) positioned inside the shell, the shell includes side and with first
The bottom surface (11) of steam vent (100), the breather (2) is containing second row pore (200), it is characterised in that：The first row
Pore (100) constitutes deflation area, and welding protective cover also includes the regulation machine of the leaving area size for adjusting the deflation area
Structure.
2. welding protective cover as claimed in claim 1, it is characterised in that：The governor motion includes being located at bottom surface (11)
Upper surface and/or lower surface can be along the baffle plate (3) for axially or radially moving of the breather (2)；The baffle plate (3) with it is right
Guider is provided between the side answered or bottom surface (11)；It is provided with restriction baffle plate (3) between the baffle plate (3) and bottom surface (11) to move
First limits device of dynamic distance；The baffle plate (3) is provided with the second limits device for limiting baffle plate (3) displacement.
3. welding protective cover as claimed in claim 2, it is characterised in that：The guider include located at baffle plate (3) with
Be mutually matched first raised (41) of the junction of corresponding side or bottom surface (11) and guide rail (42)；Described first limits dress
Put including be mutually matched second raised (51) located at the junction of baffle plate (3) and bottom surface (11) and groove (52)；Described
Two limits devices are the 3rd raised (31) of the upper surface positioned at baffle plate (3) and/or lower surface.
4. welding protective cover as claimed in claim 1, it is characterised in that：Also include being arranged on the apron of bottom surface (11) periphery
(7), the material of the apron (7) is to constitute a semienclosed welding inertia shielding gas in fire proofing material, and apron (7) to protect
Shield air cushion.
5. welding protective cover as claimed in claim 4, it is characterised in that：The fire proofing material is flameproof fabric.
6. welding protective cover as claimed in claim 1, it is characterised in that：Also include being located at breather (2) and bottom surface (11)
Between flow accelerator.
7. welding protective cover as claimed in claim 6, it is characterised in that：The flow accelerator is to be provided with the 3rd aerofluxuss
The airflow plate (6) in hole (300)；The upper opening area of the 3rd steam vent (300) is more than lower openings area and/or described
The cross section of airflow plate (6) is " V " type and opening down.
8. welding protective cover as claimed in claim 1, it is characterised in that：The second row pore (200) is located at described logical
On the latter half tube wall of trachea (2).
9. welding protective cover as claimed in claim 1, it is characterised in that：Also include adjusting breather (2) setting height(from bottom)
Attachment means.
10. welding protective cover as claimed in claim 9, it is characterised in that：The attachment means include being covered with breather (2)
The collar (81) for connecing and the fix bar (8) for being provided with multiple installing holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085344.0A CN106670686B (en) | 2017-02-17 | 2017-02-17 | Welding protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085344.0A CN106670686B (en) | 2017-02-17 | 2017-02-17 | Welding protective cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106670686A true CN106670686A (en) | 2017-05-17 |
| CN106670686B CN106670686B (en) | 2018-06-12 |
Family
ID=58861098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710085344.0A Expired - Fee Related CN106670686B (en) | 2017-02-17 | 2017-02-17 | Welding protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106670686B (en) |
Cited By (3)
| 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 |
| CN108941908A (en) * | 2018-08-27 | 2018-12-07 | 常德高迈新能源科技有限公司 | The protection-gas welding apparatus of power battery module side plate and welding equipment with it |
| CN110030646A (en) * | 2019-05-10 | 2019-07-19 | 北京仰生恒泰科技有限责任公司 | A kind of system adjusting breathing microenvironment |
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| CN101422853A (en) * | 2007-11-02 | 2009-05-06 | 中国船舶重工集团公司第七二五研究所 | Local air protection cage during fusion welding titanium alloy |
| JP2014188569A (en) * | 2013-03-28 | 2014-10-06 | Nisshin Steel Co Ltd | Welding method for electroseamed steel pipe using seal box |
| CN204122906U (en) * | 2014-08-20 | 2015-01-28 | 西南石油大学 | A kind of backing welding sealing run oxygen-proof protecting device |
| CN204248262U (en) * | 2014-12-02 | 2015-04-08 | 山东金润德不锈钢管有限公司 | A kind of for stainless steel welded gas shielded device |
| CN204621401U (en) * | 2015-04-21 | 2015-09-09 | 中国十七冶集团有限公司 | A kind of inert gas-shielded arc welding is supplied gas syringe |
| CN206550527U (en) * | 2017-02-17 | 2017-10-13 | 西南交通大学 | Welding protective cover |
-
2017
- 2017-02-17 CN CN201710085344.0A patent/CN106670686B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101422853A (en) * | 2007-11-02 | 2009-05-06 | 中国船舶重工集团公司第七二五研究所 | Local air protection cage during fusion welding titanium alloy |
| JP2014188569A (en) * | 2013-03-28 | 2014-10-06 | Nisshin Steel Co Ltd | Welding method for electroseamed steel pipe using seal box |
| CN204122906U (en) * | 2014-08-20 | 2015-01-28 | 西南石油大学 | A kind of backing welding sealing run oxygen-proof protecting device |
| CN204248262U (en) * | 2014-12-02 | 2015-04-08 | 山东金润德不锈钢管有限公司 | A kind of for stainless steel welded gas shielded device |
| CN204621401U (en) * | 2015-04-21 | 2015-09-09 | 中国十七冶集团有限公司 | A kind of inert gas-shielded arc welding is supplied gas syringe |
| CN206550527U (en) * | 2017-02-17 | 2017-10-13 | 西南交通大学 | Welding protective cover |
Cited By (3)
| 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 |
| CN108941908A (en) * | 2018-08-27 | 2018-12-07 | 常德高迈新能源科技有限公司 | The protection-gas welding apparatus of power battery module side plate and welding equipment with it |
| CN110030646A (en) * | 2019-05-10 | 2019-07-19 | 北京仰生恒泰科技有限责任公司 | A kind of system adjusting breathing microenvironment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106670686B (en) | 2018-06-12 |
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Granted publication date: 20180612 Termination date: 20210217 |