CN106826131B - The tubulation apparatus and its method of compound straight-seam pipes in a kind of stainless steel composite material - Google Patents
The tubulation apparatus and its method of compound straight-seam pipes in a kind of stainless steel composite material Download PDFInfo
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- CN106826131B CN106826131B CN201710115020.7A CN201710115020A CN106826131B CN 106826131 B CN106826131 B CN 106826131B CN 201710115020 A CN201710115020 A CN 201710115020A CN 106826131 B CN106826131 B CN 106826131B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
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Abstract
The present invention discloses the tubulation apparatus and its method of compound straight-seam pipes in a kind of stainless steel composite material; including pipeline rack, water cooling cushion device, welding controller and with water cooling protection nozzle welding gun; the pipeline rack is connect by connecting rod with the water cooling cushion device being located at below welding gun, and welding controller is equipped between welding gun and pipeline rack.The present invention both ensure that compound straight-seam pipes can long-time, batch, stable tubulation production in stainless steel；In turn ensure the corrosion resistance of the mechanical property of compound straight-seam pipes and internal layer stainless steel side weld in stainless steel.Tubulation production technology provided by the invention is simpler compared with art methods；Simultaneously, stability, continuity are more preferable, applied widely for the performance of compound straight-seam pipes in guarantee stainless steel；And the tubulation production technology relative to compound straight-seam pipes in other stainless steel composite materials, cost are lower.
Description
Technical field
The present invention relates to the tubulation apparatus and its method of compound straight-seam pipes in a kind of stainless steel composite material, belong to tubulation weldering
Connection technology field.
Background technique
Compound straight-seam pipes are a steel pipe kinds of recent development in stainless steel composite material.Tubulation raw material stainless steel is compound
Material is using ordinary carbon steel as base material, and stainless steel realizes that metallurgy is compound as plied timber, using rolling mill practice
It is integrated.Enough structural strengths are provided by base material (carbon steel)；Plied timber (stainless steel) play corrosion resistance and preferably
Decoration function.
The cladding (stainless steel) of compound straight-seam pipes is in the inner surface of pipe in stainless steel composite material, plays corrosion resistance
Effect.The conveying for being mainly used for the fluids such as drinking water, petroleum, natural gas is used.It makees internal layer with stainless steel, contacts with fluid,
It can reduce and avoid the secondary pollution of fluid.
It is general using beating groove, two layers (or three in related stainless steel in compound straight-seam pipes tubulation production technology
Layer) welding manner.That there are welding sequences is many and diverse for it, and wlding consumption is big, and production efficiency is low；Tubulation welds unstable, bore
The problems such as hour is difficult to carry out.
Summary of the invention
The problems such as unstable, production efficiency is low is welded for compound straight-seam pipes in solution stainless steel are existing in tubulation, this
Invention provides the tubulation apparatus and its method of compound straight-seam pipes in a kind of stainless steel composite material.
The invention is realized by the following technical scheme: the tubulation apparatus of compound straight-seam pipes in a kind of stainless steel composite material,
Including pipeline rack, water cooling cushion device, welding controller and welding gun with water cooling protection nozzle, the pipeline rack is logical
It crosses connecting rod and is connect with the water cooling cushion device being located at below welding gun, welding controller is equipped between welding gun and pipeline rack.
The welding controller includes two compression rollers, a guide roller and a guide pin, the guide roller
Central axis is guide roller adjustment axis, and rotation axis upper end of the both ends of the guide roller adjustment axis respectively with two compression rollers passes through screw
Connection, guide roller are equipped with guide pin, and guide pin is made to become the annular ridge of guide roller.
The rotation axis lower end of described two compression rollers adjusts axis connection by screw and compression roller；Compression roller adjustment axis is set to
In base box.
The water cooling cushion device includes the bracket with connecting rod, and the support wheel and setting that bracket base is arranged in exist
The liner of pallet top, the mats inside are equipped with water-cooling channel；The liner upper end is boss, lower end is chock, the chock
It is placed in the inside groove opened up on bracket, tube blank inner wall is close in the boss upper surface for padding upper end；It is located at plug in the bracket inside groove
Block lower part is equipped with spring, so that the upper surface for padding upper end boss is close to tube blank inner wall by the effect of spring.
The support wheel is arranged in pairs in bracket base, and support wheel plays the role of supporting water cooling cushion device, and can be
Inside pipe wall rolls, and reduces the friction with inside pipe wall, protects cladding stainless steel.
The water-cooling channel include be located at liner upper end boss in horizontal channel and be connected to horizontal channel it is vertical
Drainage channel, horizontal channel outer end set water inlet, and water inlet is connected by pipeline with water source (reservoir or water tower)；The bracket
On inside groove bottom be equipped with through-hole, the water for being discharged into inside groove.
The material of the liner is copper.
Water cooling protection nozzle includes nozzle set, and the nozzle set outer wall is arranged with waterway, waterway be equipped with water inlet and
Water outlet；The water inlet and water outlet pass through water pipe respectively and are connected with water pump, and water pump is connected with reservoir (or water tower).
Another object of the present invention is to provide a kind of pipe-making methods of compound straight-seam pipes in stainless steel composite material, pass through
Following each step:
(1) determining according to straight-seam pipes caliber compound in stainless steel composite material, the good required coiled sheet width of slitting；Slitting is good
Stainless steel composite material coiled sheet is rolled up on straight-seam pipes production unit, and guarantees the continuous fortune of production line with preceding a roll of overlap welding
Turn；Stainless steel composite material raw material is after shaping machine set gradual change is shaped to pipe to the pipeline rack of welding sequence；
(2) diameter of compression roller and guide roller is determined according to straight-seam pipes caliber compound in stainless steel composite material；
(3) when pipe is delivered to welding controller from pipeline rack, by adjusting compression roller adjustment axis and guide roller tune
Nodal axisn, compression roller and guide roller extrusion tube blank form weld seam, and water cooling cushion device is in inside pipe, immediately below welding gun, guiding
Piece is inserted into weld seam；Water pump is opened, so that water is entered waterway from the water inlet of water cooling protection nozzle, then flow out through water outlet, then
Weld seam is welded by welding gun, guide roller progress pipe conveying, routinely aligning, sizing, scale, finishing, inspection later,
Complete the continuous tubulation of compound straight-seam pipes in stainless steel composite material.
The welding is to use metal active gas welding (MAG), once-forming welding manner, and welding wire is not
Become rusty steel welding wire.
By adjusting extruding when compound straight-seam pipes pipe is delivered to welding sequence from pipeline rack in stainless steel composite material
Roller adjustment axis and guide roller adjustment axis are come so that compression roller, guide roller and guide pin collective effect, avoid the pipe of weld locations
Base is influenced by factors such as raw material roll bending shape, production line molding, velocity perturbations, causes pipe mouth in the fluctuation of weld locations.By
There is certain thickness in guide pin, can be inserted in the tubulation gap that do not weld, and welding gun finally makes pipe exist behind guide pin
There are certain intervals for weld locations, guarantee the penetration and weldquality of stainless steel side weld.Different tube diameters will match relatively
Compression roller, the guide roller answered determine compression roller, guiding roller diameter according to straight-seam pipes caliber compound in stainless steel composite material.
Water cooling cushion device is mounted on inside pipe, immediately below welding gun, when tubulation welds, liquid state of molten pool because of metal liner
It is close to inner tubal wall, and flow down can not be continued.It fuses liquid state of molten pool metal sufficiently with stainless steel side base material, reduces folder
The weld defects such as slag, solder skip, rosin joint occur.Guarantee stainless steel side weld quality and welding uniformity and stability.It is welded in tubulation
When connecing, water is flowed into from water inlet and is padded, and is flowed out by water outlet.The partial heat that liner is absorbed in tubulation welding is taken away, is made
It must pad always in low-temperature condition, guarantee that liner will not guarantee that tubulation welding is prolonged suitable because working long hours due to scaling loss
Benefit carries out.
Nozzle is protected using water cooling, the heat that protection nozzle absorbs water takes away welding when flowing through cavity when guarantees protection nozzle temperature
Always it is in low-temperature condition.When solving because of consumable electrode activity (or inertia) gas shielded arc welding (MAG/MIG), protective atmosphere it is cold
But effect does not have pure carbon dioxide good, leads to the easy scaling loss deformation of traditional welding gun protection nozzle, and influence welding quality, can not be for a long time
The problems such as welding and low production efficiency.Simultaneously as water cooling protection nozzle temperature is low, the splashing for welding generation can not be bonded in protection
On nozzle, splash easy Automatic-falling, will not influence asking for welding quality and production efficiency because welding gun blocks when solving welding
Topic.
Advantages of the present invention and effect: using the above scheme, it both ensure that compound straight-seam pipes energy long-time in stainless steel, criticized
Amount, stable tubulation production；In turn ensure the mechanical property of compound straight-seam pipes and internal layer (stainless steel side) weld seam in stainless steel
Corrosion resistance.Compound straight-seam pipes in the stainless steel produced using the above scheme, it is no to crack, is quick-fried after the hydraulic test of 4Kg
Phenomena such as pipe, weld seam leak, occurs, and pipe and weld seam bearing capacity are excellent；After surface treated, by national standard GB/T 10125-1997
" artificial atmosphere corrosion test salt spray test " is standard, carries out neutral salt spray test test, weldering to internal layer (stainless steel side) weld seam
Stitch the neutral salt spray test through 1500 hours, non-corroding；It is carried out by national standard GB/T 246-2007 " flattening test on tube of metal method "
The 0 ° and 90 ° inspection of opposite weld seam, weld seam flawless.Tubulation production technology provided by the invention is simpler compared with art methods
It is single；Simultaneously, stability, continuity are more preferable for the performance of compound straight-seam pipes in guarantee stainless steel, applied widely (such as Φ 45mm,
The pipe of the routine bore such as Φ 89mm, Φ 114mm, Φ 165mm)；And relative to compound straight-seam pipes in other stainless steel composite materials
Tubulation production technology, cost is lower.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the tubulation apparatus of compound straight-seam pipes in stainless steel composite material；
Fig. 2 is the schematic cross-sectional view of the tubulation apparatus of compound straight-seam pipes in stainless steel composite material；
Fig. 3 is the structural schematic diagram of water cooling cushion device, welding controller and the welding gun with water cooling protection nozzle；
Fig. 4 is the structural schematic diagram of water cooling cushion device；
Fig. 5 is the structural schematic diagram that water cooling protects nozzle.
Specific embodiment
Below with reference to embodiment, the present invention will be further described.
Embodiment 1
As shown, the tubulation apparatus of compound straight-seam pipes includes pipeline rack 2, water cooling liner dress in stainless steel composite material
It sets, welding controller and the welding gun 6 with water cooling protection nozzle 19, the pipeline rack 2 pass through connecting rod 13 and be located at weldering
The water cooling cushion device connection of 6 lower section of rifle, is equipped with welding controller between welding gun 6 and pipeline rack 2.
The welding controller includes two compression rollers, 3, guide rollers 8 and a guide pin 7, the guide roller
8 central axis be guide roller adjustment axis 5, the both ends of the guide roller adjustment axis 5 respectively with 4 upper end of rotation axis of two compression rollers 3
It is connected by screw to, guide roller 8 is equipped with guide pin 7, and guide pin 7 is made to become the annular ridge of guide roller 8.Described two extruding
4 lower end of rotation axis of roller 3 is connect by screw with compression roller adjustment axis 9；Compression roller adjustment axis 9 is set in base box.
The water cooling cushion device includes the bracket 10 with connecting rod 13, be arranged in the support wheel 12 of 10 bottom of bracket with
And the liner 11 at 10 top of bracket is set, 11 inside of liner is equipped with water-cooling channel 14；Padding 11 upper ends is boss, lower end
For chock, which is placed in the inside groove 17 opened up on bracket 10, and 1 inner wall of pipe is close in the boss upper surface of 11 upper ends of liner；
It is located at chock lower part in 10 inside groove 17 of bracket and is equipped with spring 15, makes to pad the upper of 11 upper end boss by the effect of spring 15
It is close to tube blank inner wall in surface.The support wheel 12 is arranged in pairs in 10 bottom of bracket, and support wheel 12 plays support water cooling liner dress
The effect set, and can be rolled in inside pipe wall, reduce the friction with inside pipe wall, protects cladding stainless steel.The water-cooling channel 14 wraps
Include the horizontal channel being located in 11 upper end boss of liner and the vertical drainage channel being connected to horizontal channel, horizontal channel outer end
If water inlet 18, water inlet 18 is connected by pipeline with water source (reservoir or water tower)；17 bottom of inside groove on the bracket 10
Water equipped with through-hole 16, for being discharged into inside groove 17.The material of the liner 11 is copper.
The water cooling protection nozzle 19 includes nozzle set 20, and the nozzle covers 20 outer walls and is arranged with waterway 21, sets on waterway 21
There are water inlet 22 and water outlet 23；The water inlet 22 and water outlet 23 are connected by water pipe with water pump respectively, water pump and water storage
Pond (or water tower) is connected.
Further, in stainless steel composite material compound straight-seam pipes pipe-making method, by following each step:
(1) determining according to straight-seam pipes caliber compound in stainless steel composite material, the good required coiled sheet width of slitting；Slitting is good
Stainless steel composite material coiled sheet is rolled up on straight-seam pipes production unit, and guarantees the continuous fortune of production line with preceding a roll of overlap welding
Turn；Stainless steel composite material raw material is after shaping machine set gradual change is shaped to pipe 1 to the pipeline rack 2 of welding sequence；
(2) diameter of compression roller and guide roller is determined according to straight-seam pipes caliber compound in stainless steel composite material；
(3) when pipe 1 is delivered to welding controller from pipeline rack 2, by adjusting compression roller adjustment axis 9 and guide roller
Adjustment axis 5, compression roller 3 and 8 extrusion tube blank 1 of guide roller form weld seam, water cooling cushion device is in inside pipe 1, welding gun 6 just under
Side, guide pin 7 are inserted into weld seam；Water pump is opened, so that water is entered waterway 21 from the water inlet 22 of water cooling protection nozzle, then through being discharged
Mouth 23 flows out, and is then welded by welding gun 6 to weld seam, and guide roller 8 carries out pipe 1 and conveys, and routinely aligns, determines later
Diameter, scale, finishing, inspection, i.e., the continuous tubulation of compound straight-seam pipes in completion stainless steel composite material.
To compound straight-seam pipes in the stainless steel that bore is 45mm, use raw material thickness for 2.0mm, trade mark SUS304+
The stainless steel composite material of Q235, wherein carbon steel base layer is with a thickness of 1.6mm, and stainless steel double layer is with a thickness of 0.4mm.Match 45mm's
Compression roller, guide roller (guide pin is with a thickness of 1.0 ~ 1.6mm) and water cooling liner.Using the consumable electrode activity equipped with water cooling protection nozzle
Gas shield welding machine and stainless steel welding stick carry out tubulation production.
Bore is compound straight-seam pipes in the stainless steel of 45mm, no to crack, is quick-fried after the hydraulic test of 4Kg in production technology
Phenomena such as pipe, weld seam leak, occurs, and pipe and weld seam bearing capacity are excellent；By national standard GB/T 10125-1997 " artificial atmosphere corrosion
Test salt spray test " it is standard, neutral salt spray test test is carried out to internal layer (stainless steel side) weld seam, weld seam was through 1500 hours
Neutral salt spray test, non-corroding；By national standard GB/T 246-2007 " flattening test on tube of metal method " carry out 0 ° of opposite weld seam and
90 ° of inspections, weld seam flawless.
Embodiment 2
Device and method are with embodiment 1:
To compound straight-seam pipes in the stainless steel that bore is 89mm, use raw material thickness for 3.0mm, trade mark SUS304+
The stainless steel composite material of Q235, wherein carbon steel base layer is with a thickness of 2.4mm, and stainless steel double layer is with a thickness of 0.6mm.Match 89mm's
Compression roller, guide roller (guide pin is with a thickness of 1.4 ~ 2.0mm) and water cooling liner.Using the consumable electrode activity equipped with water cooling protection nozzle
Gas shield welding machine and stainless steel welding stick carry out tubulation production.
Bore is compound straight-seam pipes in the stainless steel of 89mm, no to crack, is quick-fried after the hydraulic test of 4Kg in production technology
Phenomena such as pipe, weld seam leak, occurs, and pipe and weld seam bearing capacity are excellent；By national standard GB/T 10125-1997 " artificial atmosphere corrosion
Test salt spray test " it is standard, neutral salt spray test test is carried out to internal layer (stainless steel side) weld seam, weld seam was through 1500 hours
Neutral salt spray test, non-corroding；By national standard GB/T 246-2007 " flattening test on tube of metal method " carry out 0 ° of opposite weld seam and
90 ° of inspections, weld seam flawless.
Embodiment 3
Device and method are with embodiment 1:
To compound straight-seam pipes in the stainless steel that bore is 165mm, use raw material thickness for 4.0mm, trade mark SUS304+
The stainless steel composite material of Q235, wherein carbon steel base layer is with a thickness of 3.2mm, and stainless steel double layer is with a thickness of 0.8mm.Match 165mm
Compression roller, guide roller (guide pin is with a thickness of 1.8 ~ 2.2mm) and water cooling liner.It is living using the consumable electrode equipped with water cooling protection nozzle
Property gas shield welding machine and stainless steel welding stick, carry out tubulation production.
Bore is compound straight-seam pipes in the stainless steel of 165mm, no to crack, is quick-fried after the hydraulic test of 4Kg in production technology
Phenomena such as pipe, weld seam leak, occurs, and pipe and weld seam bearing capacity are excellent；By national standard GB/T 10125-1997 " artificial atmosphere corrosion
Test salt spray test " it is standard, neutral salt spray test test is carried out to internal layer (stainless steel side) weld seam, weld seam was through 1500 hours
Neutral salt spray test, non-corroding；By national standard GB/T 246-2007 " flattening test on tube of metal method " carry out 0 ° of opposite weld seam and
90 ° of inspections, weld seam flawless.
Claims (6)
1. the tubulation apparatus of compound straight-seam pipes in a kind of stainless steel composite material, it is characterised in that: served as a contrast including pipeline rack, water cooling
Cushion device, welding controller and the welding gun with water cooling protection nozzle, the pipeline rack is by connecting rod and is located at welding gun
The water cooling cushion device of lower section connects, and welding controller is equipped between welding gun and pipeline rack；The water cooling cushion device packet
The bracket with connecting rod is included, the support wheel of bracket base is set and the liner of pallet top is set, in the liner
Portion is equipped with water-cooling channel；The liner upper end is boss, lower end is chock, which is placed in the inside groove opened up on bracket, lining
It is close to tube blank inner wall in the boss upper surface for padding upper end；It is located at chock lower part in the bracket inside groove and is equipped with spring, the water cooling is logical
Road includes being located at the horizontal channel padded in the boss of upper end and the vertical drainage channel being connected to horizontal channel, outside horizontal channel
End sets water inlet, and water inlet is connected by pipeline with water source；Inside groove bottom on the bracket is equipped with through-hole；The welding control
Device includes two compression rollers, a guide roller and a guide pin, and the central axis of the guide roller is guide roller adjustment axis,
Rotation axis upper end of the both ends of the guide roller adjustment axis respectively with two compression rollers is connected by screw to, and is inwardly received in the middle part of guide roller
It holds back, matches with pipe shape, guide roller is equipped with guide pin, and guide pin is made to become the annular ridge of guide roller；The water cooling is protected
Protecting nozzle includes nozzle set, and the nozzle set outer wall is arranged with waterway, and waterway is equipped with water inlet and water outlet；The water inlet and
Water outlet passes through water pipe respectively and is connected with water pump, and water pump is connected with reservoir.
2. tubulation apparatus according to claim 1, it is characterised in that: the rotation axis lower end of described two compression rollers passes through spiral shell
Nail adjusts axis connection with compression roller；Compression roller adjustment axis is set in base box.
3. tubulation apparatus according to claim 1, it is characterised in that: the support wheel is arranged in pairs in bracket base.
4. tubulation apparatus according to claim 1, it is characterised in that: the material of the liner is copper.
5. the pipe-making method of compound straight-seam pipes in a kind of stainless steel composite material is set using any tubulation in Claims 1-4 4
It is standby, it is characterised in that: to pass through following each step:
(1) determining according to straight-seam pipes caliber compound in stainless steel composite material, the good required coiled sheet width of slitting；Slitting is got well stainless
Steel composite material coiled sheet is rolled up on straight-seam pipes production unit, and with preceding a roll of overlap welding to guarantee continuously running for production line；No
Rust steel composite material raw material is after shaping machine set gradual change is shaped to pipe to the pipeline rack of welding sequence；
(2) diameter of compression roller and guide roller is determined according to straight-seam pipes caliber compound in stainless steel composite material；
(3) when pipe is delivered to welding controller from pipeline rack, by adjusting compression roller adjustment axis and guide roller adjustment axis,
Compression roller and guide roller extrusion tube blank form weld seam, and water cooling cushion device is in inside pipe, immediately below welding gun, guide pin insertion
In weld seam；Water pump is opened, so that water is entered waterway from the water inlet of water cooling protection nozzle, then flow out through water outlet, then passes through weldering
Rifle welds weld seam, and guide roller carries out pipe conveying, and routinely aligning, sizing, scale, finishing, inspection, that is, complete later
The continuous tubulation of compound straight-seam pipes in stainless steel composite material.
6. pipe-making method according to claim 5, it is characterised in that: the welding is protected using consumable electrode active gases
Weldering, once-forming welding manner, and welding wire is stainless steel welding stick.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710115020.7A CN106826131B (en) | 2017-02-28 | 2017-02-28 | The tubulation apparatus and its method of compound straight-seam pipes in a kind of stainless steel composite material |
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| CN201710115020.7A CN106826131B (en) | 2017-02-28 | 2017-02-28 | The tubulation apparatus and its method of compound straight-seam pipes in a kind of stainless steel composite material |
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| CN110142485B (en) * | 2019-05-07 | 2024-02-13 | 浙江晨光电缆股份有限公司 | Welding equipment and method for high-voltage cable aluminum sleeve |
| CN111452234B (en) * | 2020-04-13 | 2022-09-23 | 绍兴础成建材有限公司 | Foam concrete cutting device and method |
| CN113798792A (en) * | 2021-09-14 | 2021-12-17 | 广东信日德管业科技有限公司 | Manufacturing method of clean steel pipe |
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| CH686665A5 (en) * | 1992-08-26 | 1996-05-31 | Maegerle Karl Lizenz | A process for preparing Rohrkoerper for packaging tubes. |
| CN101596660A (en) * | 2009-06-12 | 2009-12-09 | 湖州丰泰不锈钢管业有限公司 | A kind of air support for welding straight beam pipe |
| CN101934446A (en) * | 2010-08-27 | 2011-01-05 | 宝莱不锈钢科技(昆山)有限公司 | Flattening device for welding seam of welded pipe |
| CN202087947U (en) * | 2011-05-10 | 2011-12-28 | 河北新中联特种钢管有限公司 | Joint close machine for two weld joints of square steeltube |
| CN103470873A (en) * | 2013-09-18 | 2013-12-25 | 无锡天龙钢管有限公司 | Special steel pipe for CO2 (carbon dioxide) air conditioner compressor casing and processing process of special steel pipe |
| CN204366244U (en) * | 2014-12-11 | 2015-06-03 | 云南昆钢新型复合材料开发有限公司 | The outer composite tube welding device of a kind of stainless steel |
| CN105690096A (en) * | 2016-03-21 | 2016-06-22 | 浙江久德不锈钢型材有限公司 | Extrusion forming and welding combined device for straight seam steel pipe |
| CN106191649B (en) * | 2016-07-26 | 2018-02-23 | 张家港市华尊宝特种材料科技有限公司 | A kind of air bag system low-alloy high-strength welded still pipe and its manufacture method |
| CN206632604U (en) * | 2017-02-28 | 2017-11-14 | 云南昆钢新型复合材料开发有限公司 | The tubulation apparatus of compound straight-seam pipes in a kind of stainless steel composite material |
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