CN206882974U - A kind of steel pipe servicing unit used for submerged arc welding - Google Patents
A kind of steel pipe servicing unit used for submerged arc welding Download PDFInfo
- Publication number
- CN206882974U CN206882974U CN201720458387.4U CN201720458387U CN206882974U CN 206882974 U CN206882974 U CN 206882974U CN 201720458387 U CN201720458387 U CN 201720458387U CN 206882974 U CN206882974 U CN 206882974U
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- CN
- China
- Prior art keywords
- steel pipe
- support roller
- inner support
- arc welding
- submerged arc
- 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.)
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- 238000003466 welding Methods 0.000 title claims abstract description 55
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 51
- 239000010959 steel Substances 0.000 title claims abstract description 51
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 239000000112 cooling gas Substances 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000010924 continuous production Methods 0.000 abstract description 3
- 238000005476 soldering Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 239000000110 cooling liquid Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model discloses a kind of steel pipe servicing unit used for submerged arc welding, belongs to automatic tubulation forming soldering machine technical field.The steel pipe servicing unit used for submerged arc welding, including rack rod and the inner support roller installed in rack rod one end, the wheel face evagination of inner support roller, are engaged with steel pipe inner wall face.The utility model uses built-in inner support roller to be welded as backing plate, and a kind of new welding manner is provided for automatic tubulation forming soldering machine；The wheel face evagination of inner support roller, is engaged with steel pipe inner wall face, ensures the smooth of inside weld surface, realizes single-side welding double-side forming；Cooling source of the gas is connected by tracheae on rack rod, pair of interior support roller is cooled down, and prevents inner support roller from deforming upon, and effectively protects inside weld surface；The utility model is simple in construction, easy to operate, practical, submerged arc welding is realized by the on-line operation of steel pipe, suitable for continuous production.
Description
Technical field
It the utility model is related to automatic tubulation forming soldering machine technical field, and in particular to a kind of steel pipe auxiliary used for submerged arc welding
Device.
Background technology
ERW is that raw material process bends to tubulose i.e. using steel band or steel plate, welds and is made in joint.At present, state
The pipe crimping that interior most of company is produced using vertical masonry joint tubulation bonding machine uses high-frequency welder, and generally use is inside and outside to weld twice
Connect method tubulation.
Submerged arc welding technology is very ripe in China, its weld properties it is excellent and higher than body thus obtain it is wide
General popularization.As the B of CN 103394546 disclose a kind of ERW production method, it comprises the following steps successively：Hot rolling is wound off
Volume, shearing butt welding, kink, milling side, plate body flaw detection, row-roll forming process, online pipe prewelding, tube head weldering run-on tab, submerged-arc welding are online
Interior weldering, the online outside weld of submerged-arc welding, scale sawing, run-on tab removing, welding slag purging, pipe end polishing, X ray is expanding, chamfered edge, hydraulic pressure,
Ultrasonic examination, X ray, magnetic powder inspection, survey length and weigh, spray mark storage.
As the A of CN 104511706 disclose seam welder in a kind of steel pipe, including base, support is provided with one end of base,
The support starts straight up, and rear bending is horizontal to be extended along base length direction；The horizontal segment of the support is provided with certainly
Dynamic slide, the both ends of the slide are provided with downward welding gun.Steel pipe is placed on base and is enclosed on support, on the slide on support
Welding gun can weld job is carried out to the inseam of steel pipe, and there are two root bead rifles at slide both ends, can disposably complete to weld
Needs twice, it is convenient and swift.
Common submerged arc welding mode is that cylinder is static, and welding gun movement, backing plate is usually board-like backing plate, and existing vertical masonry joint
Tubulation bonding machine, the mode of production of submerged arc welding is not aided in exclusively with interior backing plate also, and vertical masonry joint tubulation bonding machine is usual
Continuous production, common backing plate can not meet production requirement again.
The welding of seam mouth is completed, and need to further be cooled down, and the currently used type of cooling is that liquid is cold.Such as the B of CN 101332550
A kind of cooling device for weld seam of fine-grained steel straight welded pipe is disclosed, including：For to the injection equipment of weld seam spray cooling liquid,
With the water system for providing cooling liquid to injection equipment, the injection equipment is included by interior lateral weld seam spray cooling liquid
Injection equipment and by injection equipment outside the pipe of outer lateral weld seam spray cooling liquid in the pipe of body；Injection equipment includes in the pipe
The one position supporting mechanism out of pipe to the shower nozzle of weld seam spray cooling liquid and for supporting shower nozzle, the shower nozzle and the confession
Water system pipeline connects；The outer injection equipment of the pipe includes one from the shower nozzle of pipe extroversion weld seam spray cooling liquid and for supporting
The position supporting mechanism of shower nozzle, the shower nozzle are connected with the water system pipes.Using the invention, can realize in the outer of weld seam
Face and the inside cool down to weld seam injection press water to weld seam simultaneously, can so control crystal grain to grow up, ensure the machinery of product
Performance.
Utility model content
The utility model provides a kind of steel pipe servicing unit used for submerged arc welding, overcomes in the prior art due to no interior backing plate
Support assistant formation, the welding fluid of fusing penetrates into steel pipe inner wall, do not utilize solder side to be molded.
To achieve the above object, the utility model adopts the following technical scheme that：
A kind of steel pipe servicing unit used for submerged arc welding, including rack rod and the inner support installed in rack rod one end are rolled
Wheel, the wheel face evagination of inner support roller, is engaged with steel pipe inner wall face.
The welding gun of the utility model and bonding machine coordinates the welding job for completing steel pipe seam mouth, realizes that single-sided welding is two-sided
Shaping.Inner support roller of the present utility model is oppositely arranged with welding gun, and steel pipe pipe to be welded is enclosed on support along trapped orbit and connected
On bar, now, the seam crossing on the outside of the welding gun face steel pipe of bonding machine, the wheel face of inner support roller of the present utility model abuts steel
Inwall at tube seam.During work, welding gun, which produces electric arc, melts welding flux layer, and inner support roller is carried out as backing plate to weld
Sizing.The position of welding gun and inner support roller is fixed, and is welded by the on-line operation of steel pipe pipe.
The position of the rack rod can adjust, and the utility model adjusts inner support by adjusting the position of rack rod
Contact between roller and steel pipe inner wall, suitable for the steel pipe of different size, and it is convenient to the replacing of inner support roller.
The inner support roller is connected by one end of axle and bearing and rack rod, the inner support when steel pipe on-line operation
Roller realizes driven rolling.Stuck because of the too high bearing deformation of temperature to avoid, the bearing is high temperature resistant bearing.Inner support is rolled
The diameter of wheel should be less than pipe diameter, and its wheel face radian matches with steel pipe inner wall, does not damage tubular body surface.As excellent
Choosing, the inner support roller is red copper material.
Preferably, the wheel face of the inner support roller has annular groove.Annular groove can accept the welding fluid of fusing, prevent
Welding fluid, which leaves, spills over inwall, is advantageous to inwall appearance of weld.
Preferably, the end of the rack rod has the open slot for accommodating inner support roller, open slot passes through tracheae
Connection cooling source of the gas.
The utility model is cooled down using cooling gas pair of interior support roller, prevents high temperature pair of interior support roller from producing shape
Become, can also effectively protect inside weld surface.The cooling gas is inert gas, under the protection of inert gas, inside weld table
Do not allow to be also easy to produce oxide skin in face.
Preferably, the side of the inner support roller offers radiating stomata.Radiating stomata adds inner support roller
Specific surface area, increase radiating effect, inner support roller is quickly cooled down.
More preferably, the heat transmission gas orifice ring forms circular radiating area around inner support roller axle center arranged distribution.
More preferably, the open slot side has the outlet of cooling gas, the cooling gas outlet is directed at annular radiating area.It is cold
But gas outlet is in horn-like, and horn mouth strengthens the diffusion of cooling gas towards circular radiating area.
Preferably, the tracheae is arranged parallel with rack rod.
The beneficial effects of the utility model：
(1) the utility model uses built-in inner support roller to be welded as backing plate, for the shaping welding of automatic tubulation
Machine provides a kind of new welding manner；The wheel face evagination of inner support roller, is engaged with steel pipe inner wall face, ensures inside weld surface
It is smooth, realize single-side welding double-side forming.
(2) the utility model connects cooling source of the gas on rack rod by tracheae, and pair of interior support roller is cooled down, and is prevented
Only inner support roller deforms upon, and effectively protects inside weld surface.
(3) the utility model is simple in construction, easy to operate, practical, and submerged-arc welding is realized by the on-line operation of steel pipe
Connect, suitable for continuous production.
Brief description of the drawings
Structural representation when Fig. 1 is utility model works.
Fig. 2 is Fig. 1 top view.
Fig. 3 is the side view of inner support roller in the utility model.
Fig. 4 is the front view of Fig. 3 inner support roller.
Embodiment
With reference to embodiment and accompanying drawing, the utility model is described in further detail, but following embodiments are only this practicality
New preferred embodiment, and it is not all.Based on the embodiment in embodiment, those skilled in the art are not making creation
Property work on the premise of obtain other embodiments, belong to the scope of protection of the utility model.
As depicted in figs. 1 and 2, the utility model steel pipe servicing unit used for submerged arc welding, including rack rod 1 and installed in branch
The inner support roller 2 of frame connecting rod one end.
Rack rod 1 is made up of horizontal segment 11 and vertical section 12, and the end of horizontal segment 11, which has, accommodates inner support roller 2
Open slot 111, inner support roller 2 are connected in open slot 111 by axle 4 and bearing 3, when steel pipe pipe 8 is transported online along horizontal
During row, driven rolling occurs for inner support roller 2.Stuck because of the too high bearing deformation of temperature to avoid, bearing 3 is high temperature resistant axle
Hold.
The horizontal segment of rack rod 1 is stretched into inside steel pipe pipe 8, and the wheel face of inner support roller 2 abuts the seam of steel pipe pipe 8
The inwall at place.The utility model is by the welding job with the seam mouth of the welding gun of bonding machine cooperation completion steel pipe pipe 8, welding gun
It is oppositely arranged with inner support roller, the seam crossing in the outside of alignment steel pipe pipe 8.During work, welding gun, which produces electric arc, melts welding flux layer
Change, inner support roller 2 is shaped as backing plate to weld.The position of welding gun and inner support roller 2 is fixed, and passes through steel pipe
The on-line operation of base is welded.
The position of the utility model rack rod 1 can adjust, and be rolled by adjusting the position of rack rod 1 to adjust inner support
Contact between wheel 2 and the inwall of steel pipe pipe 8, suitable for the steel pipe of different size, and is convenient to inner support roller
Change.
As shown in figure 3, the wheel face evagination of inner support roller 2, is engaged with the internal face of steel pipe pipe 8.Inner support roller 2
Diameter should be less than the internal diameter of steel pipe pipe 8, and its wheel face radian matches with steel pipe inner wall, does not damage tubular body surface.Inner support
Roller 2 selects red copper material.
The wheel face of inner support roller 2 has annular groove 21.Annular groove 21 can accept the welding fluid of fusing, prevent welding fluid from leaving
Inwall is spilt over, is advantageous to inwall appearance of weld.
As shown in figure 4, the side of inner support roller 2 offers radiating stomata 22.Radiating stomata 22 adds inner support rolling
The specific surface area of wheel 2, increase radiating effect.Stomata 22 radiate around inner support roller axle center arranged distribution, forms circular radiating
Area.
The side of open slot 111 offers cooling gas outlet 51, and the cooling gas gas outlet 51 connects cooling gas by tracheae 5
Source.Tracheae 5 is arranged parallel with rack rod 1.
It is in horn-like that cooling gas, which goes out 51, the circular radiating area of horn mouth alignment inner support roller 2, strengthens the expansion of cooling gas
Dissipate, inner support roller is quickly cooled down.
The utility model is cooled down using cooling gas pair of interior support roller 2, prevents high temperature pair of interior support roller from producing
Deformation, it can also effectively protect inside weld surface.Inert gas can be selected in cooling gas, under the protection of inert gas, inside weld
Do not allow to be also easy to produce oxide skin in surface.The utility model uses the air-cooled type of cooling, the defects of water-cooling system being avoided to exist,
Such as：High temperature can make cooling water produce vapor, and vapor can produce the globule on welding cut upwards, and then in welding once again
Vapor is formed, stomata and other defect are easily produced in weld seam.
Operation principle of the present utility model：
According to the model of steel pipe to be processed, position control inner support roller 2 and the inwall of steel pipe pipe 8 of adjusting bracket connecting rod
Contact, after pipe forming, inner support roller is welded in driven pulley state as backing plate, at the same inertia cooling gas
Body by tracheae 5 by open slot 111 inside, cooling gas enter wheel body inside the pair of interior support roller of radiating stomata 22 carry out
Cooling, and then realize continuous submerged arc welding.
Claims (7)
1. a kind of steel pipe servicing unit used for submerged arc welding, it is characterised in that including rack rod and installed in rack rod one end
Inner support roller, the wheel face evagination of inner support roller, is engaged with steel pipe inner wall face.
2. steel pipe servicing unit used for submerged arc welding as claimed in claim 1, it is characterised in that the wheel mask of the inner support roller
There is annular groove.
3. steel pipe servicing unit used for submerged arc welding as claimed in claim 1, it is characterised in that the end of the rack rod has
The open slot of inner support roller is accommodated, open slot connects cooling source of the gas by tracheae.
4. steel pipe servicing unit used for submerged arc welding as claimed in claim 3, it is characterised in that open the side of the inner support roller
Provided with radiating stomata.
5. steel pipe servicing unit used for submerged arc welding as claimed in claim 4, it is characterised in that the heat transmission gas orifice ring is around inner support
Roller axle center arranged distribution, form circular radiating area.
6. steel pipe servicing unit used for submerged arc welding as claimed in claim 5, it is characterised in that the open slot side has cooling
Gas exports, and the cooling gas outlet is directed at annular radiating area.
7. steel pipe servicing unit used for submerged arc welding as claimed in claim 3, it is characterised in that the tracheae and rack rod are parallel
Arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720458387.4U CN206882974U (en) | 2017-04-27 | 2017-04-27 | A kind of steel pipe servicing unit used for submerged arc welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720458387.4U CN206882974U (en) | 2017-04-27 | 2017-04-27 | A kind of steel pipe servicing unit used for submerged arc welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206882974U true CN206882974U (en) | 2018-01-16 |
Family
ID=61325309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720458387.4U Active CN206882974U (en) | 2017-04-27 | 2017-04-27 | A kind of steel pipe servicing unit used for submerged arc welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206882974U (en) |
-
2017
- 2017-04-27 CN CN201720458387.4U patent/CN206882974U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. five, No. three, Chaoyang Road, Hangzhou Bay Industrial Park, Shangyu District, Shaoxing, Zhejiang Patentee after: Zhejiang Jindun Fire Equipment Co.,Ltd. Address before: No. five, No. three, Chaoyang Road, Hangzhou Bay Industrial Park, Shangyu District, Shaoxing, Zhejiang Patentee before: ZHEJIANG JINDUN FIRE-FIGHTING EQUIPMENT Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 5 Chaoyang 3rd Road, Hangzhou Bay Economic and Technological Development Zone, Shangyu District, Shaoxing City, Zhejiang Province, China 312369 Patentee after: Zhejiang Nuodun Fire Protection Co.,Ltd. Country or region after: China Address before: No. 5 Chaoyang 3rd Road, Dongyi District, Shangyu Economic and Technological Development Zone, Hangzhou Bay, Shaoxing City, Zhejiang Province, China 312369 Patentee before: Zhejiang Norton Fire Technology Co.,Ltd. Country or region before: China Address after: No. 5 Chaoyang 3rd Road, Dongyi District, Shangyu Economic and Technological Development Zone, Hangzhou Bay, Shaoxing City, Zhejiang Province, China 312369 Patentee after: Zhejiang Norton Fire Technology Co.,Ltd. Country or region after: China Address before: No. 5 Chaoyang 3rd Road, Dongyi District, Hangzhou Bay Industrial Park, Shangyu District, Shaoxing City, Zhejiang Province, China 312369 Patentee before: Zhejiang Jindun Fire Equipment Co.,Ltd. Country or region before: China |