CN106514023A - Device and method for eliminating pipeline bounce and misalignment and guaranteeing clearance of laser welded thinned pipe - Google Patents
Device and method for eliminating pipeline bounce and misalignment and guaranteeing clearance of laser welded thinned pipe Download PDFInfo
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- CN106514023A CN106514023A CN201710021175.4A CN201710021175A CN106514023A CN 106514023 A CN106514023 A CN 106514023A CN 201710021175 A CN201710021175 A CN 201710021175A CN 106514023 A CN106514023 A CN 106514023A
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- roll
- outside
- transmission roll
- shaping transmission
- pipe
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- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/10—Pipe-lines
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a device and method for eliminating pipeline bounce and misalignment and guaranteeing a clearance of a laser welded thinned pipe. The device comprises a first reel pipe mechanism, a second reel pipe mechanism, a third reel pipe mechanism and a welding clamping mechanism which are arrayed in sequence. The method comprises the following steps: a) pre-treating a steel belt; b) rolling the height of the edge of the steel belt to be 0.9-1.0 time of the radius of a to-be-prepared welded pipe; c) rolling the height of the steel belt to be 1.0-1.6 times of the radius of the to-be-prepared welded pipe; d) rolling the height of the edge of the steel belt to be 1.6-2.0 times of the radius of the to-be-prepared welded pipe; and e) welding. The invention has the beneficial effects that the pipeline bounce and misalignment can be eliminated in the laser welding process of the thinned pipe, and the clearance can be guaranteed, so that the product yield is increased; and the pipe diameter of the pipe produced according to the method and the device directly meets the production requirement, and the production link of sizing the welded pipe is omitted, so that the production efficiency is increased.
Description
Technical field
The present invention relates to metal processing sectors, and in particular to a kind of laser that eliminates is welded the bounce of light wall pipe pipeline, misalignment and protects
The devices and methods therefor in card gap.
Background technology
Laser welding technology is the best approach for producing thin-wall steel tube, not only can improve 2～3 times of Welded tube production efficiency
(compared with TIG), can also improve welding quality, and can obtain with the unapproachable steel tube performance of other production methods.Closely
Nian Lai, due to the development of laser welding technology and device, is significantly improved using method of laser welding production welding seam in welded thin-wall pipe quality,
The percent defective of cold forming is made to be reduced to less than 0.5%.In view of the well processed operational characteristic of laser welding welded tube, to high-grade car
For the pipe fitting of complicated processing, increasing parts company tends to be used to produce rustless steel using method for laser welding
Thin-walled welding pipe.
Laser welding thin-wall steel tube is that steel band is made pipe first, then pipe edge is rolled out than laser beam foucing diameter
Also little gap width, the focus of laser beam equably fall in the edge of institute's skelp.Due to the unit intensity of laser beam it is very high,
Thus welding process can be completed with higher speed regardless of whether adopt welding wire in protective atmosphere, typically roll up through pipe
The production links such as system, welding, welded tube sizing.
Compared with traditional argon arc welding, must be to the edge of pipe and its toe using laser welding technology production steel pipe
Junction surface is processed meticulously.Such as weld wall thickness be the thin-wall steel tube of 0.5～1.5mm when, it is desirable to toe junction surface meet with
Lower condition：1. the edge gap width of weld should be not more than 0.04～0.08mm；2. the side-play amount of pipe edge is no more than specified
The 5%～10% of wall thickness value；3. the nonparallelism for being soldered pipe edge adjacent face should be maintained at the gap width scope of permission
It is interior；4. the horizontal stable degree for being soldered pipe edge surface is ± 1mm.
Therefore, it is that restriction improvement of manufacturing line must that laser is welded the bounce of pipeline to be welded on production line, gap change and misalignment
The problem that must be solved.
The content of the invention
It is an object of the invention to provide a kind of laser that eliminates is welded the bounce of light wall pipe pipeline, misalignment and ensures the dress in gap
Put, can effectively eliminate when laser is welded light wall pipe pipeline bounce, misalignment and ensure gap, improve conforming product rate.
It is also an object of the present invention to provide a kind of laser that eliminates is welded the bounce of light wall pipe pipeline, misalignment and ensures gap
Method, can effectively eliminate when laser is welded light wall pipe pipeline bounce, misalignment and ensure gap, improve conforming product rate.
For achieving the above object, the present invention adopts the following technical scheme that a kind of laser that eliminates is welded the bounce of light wall pipe pipeline, mistake
Side simultaneously ensures the device in gap, including：
Successively tactic first pipe winding mechanism, the second pipe winding mechanism, the 3rd pipe winding mechanism and welding clamping device；Steel
Plate passes sequentially through the first pipe winding mechanism, the second pipe winding mechanism, the 3rd pipe winding mechanism and welding clamping device；
First pipe winding mechanism includes：
Platform and it is fixed on platform entablature；
Shaping transmission roll outside multipair first, which is rotatably vertically arranged on platform, is shaped outside each pair first
Spacing is provided between transmission roll；
Inside first shaping transmission roll, which is can be rotatably set on the crossbeam, and be located at each pair first outside into
Between shape transmission roll, outside described first, inside shaping transmission roll and first, there is pressing steel plate between shaping transmission roll
Form the gap of arc；
Wherein, the outline for transmission roll being shaped outside described first is tied with first cambered surface by the first globoidal structure
The tangent planar structure composition of structure；Shaping transmission roll outside the outline and described first of shaping transmission roll inside first
Outline matches.
Preferably, second pipe winding mechanism includes：
Shaping transmission roll outside multipair second, which is rotatably vertically arranged on platform, is shaped outside each pair second
It is close to each other between transmission roll；Outside second, the outline of shaping transmission roll is provided with the second globoidal structure；
Shaping transmission roll inside second, its its can be rotatably set on the crossbeam, and be located at outside each pair second
Between portion's shaping transmission roll；Pass at least provided with shaping inside five described second between shaping transmission roll outside each pair second
Send roll.
Preferably, the 3rd pipe winding mechanism includes：
Shaping transmission roll outside multipair 3rd, which is rotatably vertically arranged on platform, is shaped outside each pair the 3rd
Spacing is provided between transmission roll；
Rigid pressure pin, which passes through pressure pin support bar and is arranged on outside the multipair 3rd between shaping transmission roll；
Wherein, the outline for transmission roll being shaped outside the described 3rd is provided with the 3rd globoidal structure；The rigid pressure pin
For semicylinder, multipair axially distributed ground pressure pin wheel roller, the rigid pressure pin and described are provided with the rigid pressure pin
Three globoidal structures match.
Preferably, the welding clamping device includes
Fixed pore block, which is erected on platform, inside the fixed pore block is provided with cavity；
A pair the 4th transfer rollers, which is can be rotatably set in the cavity, is cooperated use in the 4th transfer roller
In fixed and transmission steel pipe；
Wherein, the outline of the 4th transfer roller is provided with the 4th globoidal structure.
It is a kind of to eliminate the method that laser is welded the bounce of light wall pipe pipeline, misalignment and ensures gap, including：
A, steel band is delivered on platform, first passes through shaping transmission inside shaping transmission roll and first outside multipair first
Roll by the height of steel band edge roll up to 0.9～1.0 times of welded tube radius need to be prepared；
B, outside multipair second shaping transmission roll and the second shaping transmission roll by the steel after the process of step a
Belt edge is highly rolled up to need to prepare 1.0～1.6 times of welded tube radius；
C, shaping transmission roll and rigid pressure pin will be the steel band edge after the process of step b high outside the multipair 3rd
Degree volume need to extremely prepare 1.6～2.0 times of welded tube radius, obtain pipe；
D, the pipe obtained after the process of step c is fixed by fixed pore block, under a shielding gas pipe is entered
Row laser welding.
Preferably, also include：Pretreatment is carried out before step a to steel pipe, the pretreatment includes carrying out steel band
Surface acid-washing, cold rolling and annealing.
Preferably, the annealing temperature is 875～885 DEG C, and annealing time is 5.5～6.5 hours.
Preferably, it is characterised in that：
In step a, outside described multipair first, inside shaping transmission roll and first, shaping transmits the set of roll
Number is 5～100 sets, 10～200mm of spacing, and rotating speed is 10～1000mm/min；
In step b, outside described multipair second, inside shaping transmission roll and second, shaping transmits the set of roll
Number is 5～100 sets, 10～200mm of spacing, and rotating speed is 10～1000mm/min；
In step c, multipair 3rd shaping transmission roll tricks is 5～100 sets, 10～200mm of spacing, and rotating speed is
10～1000mm/min.
Preferably, the laser power is 900～1100W, and speed of welding is 12～14m/min；The protective gas
Direction it is coaxial with the direction of laser beam.
Preferably, the thickness of the cold rolling rear steel band is 0.5～1.5mm.
The invention has the beneficial effects as follows：1st, pipeline bounce, misalignment can effectively be eliminated when laser is welded light wall pipe and ensures gap,
Improve conforming product rate；2nd, the caliber produced by the method directly meets production requirement, eliminates the production ring of welded tube sizing
Section, improves productivity ratio.
Description of the drawings
Fig. 1 is the schematic diagram of tubulation forming machine in the present invention；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is the B-B sectional views of Fig. 1；
Fig. 4 is the C-C sectional views of Fig. 1；
Fig. 5 is the D-D sectional views of Fig. 1；
Fig. 6 is the E-E sectional views of Fig. 1.
Specific embodiment
Below in conjunction with the accompanying drawings invention is described in further detail, to make those skilled in the art with reference to specification word
Can implement according to this.
As shown in figures 1 to 6, the elimination laser is welded the bounce of light wall pipe pipeline, misalignment and ensures that the device 1 in gap includes：According to
Secondary tactic first pipe winding mechanism 110, the second pipe winding mechanism 120, the 3rd pipe winding mechanism 130 and welding clamping device 140；
Steel plate 2 passes sequentially through the first pipe winding mechanism 110, the second pipe winding mechanism 120, the 3rd pipe winding mechanism 130 and welding clamping device
140。
First pipe winding mechanism 110 includes：Platform 150 and it is fixed on platform entablature 116；Shaping transmission outside multipair first
Roll 112 is rotatably vertically arranged on platform 150, is provided with spacing outside each pair first between shaping transmission roll 112；First
Internal shaping transmission roll 117 is can be rotatably set on the crossbeam 116, and is located at shaping transmission roll outside each pair first
Between 112, outside described first, inside shaping transmission roll 112 and first, there is pressing steel plate between shaping transmission roll 117
Form the gap of arc；Wherein, outside described first shaping transmission roll 112 outline by the first globoidal structure with it is described
The tangent planar structure composition of first globoidal structure；Inside first outside the outline and described first of shaping transmission roll 112
The outline of shaping transmission roll 117 matches.As a kind of preferred, shape outside first inside transmission roll 112 and first
Shaping transmission roll 117 is arranged on the platform 150 and horizontal stroke side by side by external stability axle 114 and internal fixing axle 118 respectively
On beam 116, external bearings 113 and internal bearings are respectively arranged at two ends with the external stability axle 114 and internal fixing axle 118
119。
In another embodiment, the second pipe winding mechanism 120 includes：Outside multipair second, shaping transmission roll 122 can revolve
It is vertically arranged on platform 150 with turning, it is close to each other between shaping transmission roll 122 outside each pair second；Shaping outside second is passed
The outline of roll 122 is sent to be provided with the second globoidal structure；Inside second, shaping transmission roll 126 can be rotatably set in the horizontal stroke
On beam 125, and it is located at outside each pair second between shaping transmission roll 122；Outside each pair second shaping transmission roll 122 it
Between at least provided with inside five described second shaping transmission roll 126.As a kind of preferred, transmission shaped outside described second and is rolled
Inside roller 122 and second, shaping transmission roll 126 is arranged on described by external stability axle 124 and internal fixing axle 127 respectively
On platform 150 and crossbeam 125, external bearings are respectively arranged at two ends with the external stability axle 124 and internal fixing axle 127
123 and internal bearings 128.
In another embodiment, the 3rd pipe winding mechanism 130 includes：Shaping transmission roll 132 outside multipair 3rd
Rotatably it is vertically arranged on platform 150, outside each pair the 3rd, between shaping transmission roll 132, is provided with spacing；Rigid pressure pin
137 are arranged on outside the multipair 3rd between shaping transmission roll 132 by pressure pin support bar 136；Wherein, outside the described 3rd
The outline of shaping transmission roll 132 is provided with the 3rd globoidal structure；The rigid pressure pin 137 is semicylinder, in the rigidity
Pressure pin 137 is provided with multipair axially distributed ground pressure pin wheel roller 137d, the rigid pressure pin and the 3rd globoidal structure phase
Match somebody with somebody.Preferably transmission roll 132 is shaped outside the 3rd and is arranged on the platform 150 by external stability axle 134 as a kind of,
External bearings 133 are provided with the two ends of the external stability axle 134, tie-beam are provided between the external stability axle 134
135, it is connected with the pressure pin support bar 136 at the middle part of the tie-beam 135.As further preferred, hold in the palm in the rigidity
Bar 137 includes：Pressure pin body 137a, rotatably it is provided with multipair pressure pin wheel roller 137d on the pressure pin body 137a, it is described
It is arranged on the pressure pin body 137a by fixing axle 137c in pressure pin wheel roller 137d, is set at the two ends of fixing axle 137c
There is bearing 137b.As further preferred, axial groove is provided with the pressure pin body 137a.
In another embodiment, the welding clamping device 140 includes：Fixed pore block 142 is erected at platform 150
On, cavity is provided with inside the fixed pore block 142；A pair the 4th transfer rollers 141 are can be rotatably set in the cavity,
Cooperate for fixing and transmitting steel pipe in the 4th transfer roller 141；It is provided with the outline of the 4th transfer roller 141
4th globoidal structure.As one kind preferably, the 4th transfer roller 141 is arranged in cavity by fixing axle 144, described solid
The two ends of dead axle 144 are provided with bearing 143 respectively.Space between the pair of 4th transfer roller 141 is matched with steel pipe periphery.
Embodiment 1
A, steel band 2 is carried out surface acid-washing, it is cold rolling and annealing；The annealing temperature is 880 DEG C, and annealing time is
6 hours, it is cold rolling after thickness of strips be thickness be 0.8mm steel bands；
B, the steel band through pretreatment is delivered on platform, first passes through shaping transmission 112 He of roll outside multipair first
Inside first shaping transmission roll 117 by the height of steel band edge roll up to 0.95 times of welded tube radius need to be prepared；Wherein, it is described
Outside multipair first, inside shaping transmission roll 112 and first, the tricks of shaping transmission roll 117 is 50 sets, and spacing 100mm turns
Speed is 500mm/min.
C, again will be at step b by shaping transmission roll 122 outside multipair second and the second shaping transmission roll 126
Steel band edge after reason is highly rolled up to need to prepare 1.3 times of welded tube radius；Wherein, shaping transmission roll outside described multipair second
122 and second shaping transmission roll 126 tricks be 50 sets, spacing 100mm, rotating speed 500mm/min.
D, again outside the multipair 3rd shaping transmission roll 132 and rigid pressure pin 173 by the steel after the process of step c
Belt edge is highly rolled up to preparing 1.8 times of welded tube radius, obtains pipe；Multipair 3rd shaping transmission roll tricks is 50 sets,
Spacing 100mm, rotating speed are 500mm/min.
E, the steel band obtained after the process of step d is fixed by fixed pore block again, under a shielding gas to pipe
Carry out laser welding.The laser power is 1000W, and speed of welding is 13m/min.Wherein, the direction of the protective gas with
The direction of laser beam is coaxial.Protective gas is argon.
Embodiment 2
A, steel band 2 is carried out surface acid-washing, it is cold rolling and annealing；The annealing temperature is 885 DEG C, and annealing time is
5.5 hours, it is cold rolling after thickness of strips be 0.5mm steel bands；
B, the steel band through pretreatment is delivered on platform, first passes through shaping transmission 112 He of roll outside multipair first
Inside first shaping transmission roll 117 by the height of steel band edge roll up to 1.0 times of welded tube radius need to be prepared；Wherein, it is described
Outside multipair first, inside shaping transmission roll 112 and first, the tricks of shaping transmission roll 117 is 5 sets, and spacing 200mm turns
Speed is 10mm/min.
C, again will be at step b by shaping transmission roll 122 outside multipair second and the second shaping transmission roll 126
Steel band edge after reason is highly rolled up to need to prepare 1.6 times of welded tube radius,；Wherein, transmission is shaped outside described multipair second to roll
The tricks of roller 122 and the second shaping transmission roll 126 is 5 sets, and spacing 200mm, rotating speed are 10mm/min.
D, again outside the multipair 3rd shaping transmission roll 132 and rigid pressure pin 173 by the steel after the process of step c
Belt edge is highly rolled up to preparing 2.0 times of welded tube radius, obtains pipe；Multipair 3rd shaping transmission roll tricks is 5 sets,
Away from 200mm, rotating speed is 10mm/min.
E, the steel band obtained after the process of step d is fixed by fixed pore block again, under a shielding gas to pipe
Carry out laser welding.The laser power is 900W, and speed of welding is 12m/min.Wherein, the direction of the protective gas with swash
The direction of light beam is vertical.Protective gas is argon.
Embodiment 3
A, steel band 2 is carried out surface acid-washing, it is cold rolling and annealing；The annealing temperature is 875 DEG C, and annealing time is
6.5 hours, it is cold rolling after thickness of strips be thickness be 1.5mm steel bands；
B, the steel band through pretreatment is delivered on platform, first passes through shaping transmission 112 He of roll outside multipair first
Inside first shaping transmission roll 117 by the height of steel band edge roll up to 0.9 times of welded tube radius need to be prepared；Wherein, it is described
Outside multipair first, inside shaping transmission roll 112 and first, the tricks of shaping transmission roll 117 is 100 sets, and spacing 10mm turns
Speed is 1000mm/min.
C, again will be at step b by shaping transmission roll 122 outside multipair second and the second shaping transmission roll 126
Steel band edge after reason is highly rolled up to need to prepare 1.0 times of welded tube radius；Wherein, shaping transmission roll outside described multipair second
122 and second shaping transmission roll 126 tricks be 100 sets, spacing 10mm, rotating speed are 1000mm/min.
D, again outside the multipair 3rd shaping transmission roll 132 and rigid pressure pin 173 by the steel after the process of step c
Belt edge is highly rolled up to preparing 1.6 times of welded tube radius, obtains pipe；Multipair 3rd shaping transmission roll tricks is 100 sets,
Spacing 10mm, rotating speed are 1000mm/min.
E, the steel band obtained after the process of step d is fixed by fixed pore block again, under a shielding gas to pipe
Carry out laser welding.The laser power is 1100W, and speed of welding is 14m/min.Wherein, the direction of the protective gas with
The direction of laser beam is in 30 ° of angles.Protective gas is argon.
Embodiment 4
A, steel band 2 is carried out surface acid-washing, it is cold rolling and annealing；The annealing temperature is 878 DEG C, and annealing time is
6.3 hours, it is cold rolling after thickness of strips be thickness be 1.2mm steel bands；
B, the steel band through pretreatment is delivered on platform, first passes through shaping transmission 112 He of roll outside multipair first
Inside first shaping transmission roll 117 by the height of steel band edge roll up to 0.92 times of welded tube radius need to be prepared；Wherein, it is described
Outside multipair first, inside shaping transmission roll 112 and first, the tricks of shaping transmission roll 117 is 80 sets, and spacing 50mm turns
Speed is 200mm/min.
C, again will be at step b by shaping transmission roll 122 outside multipair second and the second shaping transmission roll 126
Steel band edge after reason is highly rolled up to need to prepare 1.4 times of welded tube radius；Wherein, shaping transmission roll outside described multipair second
122 and second shaping transmission roll 126 tricks be 80 sets, spacing 50mm, rotating speed are 200mm/min.
D, again outside the multipair 3rd shaping transmission roll 132 and rigid pressure pin 173 by the steel after the process of step c
Belt edge is highly rolled up to preparing 1.9 times of welded tube radius, obtains pipe；Multipair 3rd shaping transmission roll tricks is 80 sets,
Spacing 50mm, rotating speed are 200mm/min.
E, the steel band obtained after the process of step d is fixed by fixed pore block again, under a shielding gas to pipe
Carry out laser welding.The laser power is 950W, and speed of welding is 13.5m/min.Wherein, the direction of the protective gas with
The direction of laser beam is in 60 ° of angles.Protective gas is argon.
Embodiment 5
A, steel band 2 is carried out surface acid-washing, it is cold rolling and annealing；The annealing temperature is 881 DEG C, and annealing time is
5.7 hours, it is cold rolling after thickness of strips be thickness be 0.8mm steel bands；
B, the steel band through pretreatment is delivered on platform, first passes through shaping transmission 112 He of roll outside multipair first
Inside first shaping transmission roll 117 by the height of steel band edge roll up to 0.97 times of welded tube radius need to be prepared；Wherein, it is described
Outside multipair first, inside shaping transmission roll 112 and first, the tricks of shaping transmission roll 117 is 40 sets, and spacing 120mm turns
Speed is 800mm/min.
C, again will be at step b by shaping transmission roll 122 outside multipair second and the second shaping transmission roll 126
Steel band edge after reason is highly rolled up to need to prepare 1.5 times of welded tube radius；Wherein, shaping transmission roll outside described multipair second
122 and second shaping transmission roll 126 tricks be 40 sets, spacing 120mm, rotating speed are 800mm/min.
D, again outside the multipair 3rd shaping transmission roll 132 and rigid pressure pin 173 by the steel after the process of step c
Belt edge is highly rolled up to preparing 1.8 times of welded tube radius, obtains pipe；Multipair 3rd shaping transmission roll tricks is 40 sets,
Spacing 120mm, rotating speed are 800mm/min.
E, the steel band obtained after the process of step d is fixed by fixed pore block again, under a shielding gas to pipe
Carry out laser welding.The laser power is 1050W, and speed of welding is 12.5m/min.Wherein, the direction of the protective gas
Direction with laser beam is in 45 ° of angles.Protective gas is argon.
Embodiment 6
A, steel band 2 is carried out surface acid-washing, it is cold rolling and annealing；The annealing temperature is 882 DEG C, and annealing time is
5.9 hours, it is cold rolling after thickness of strips be thickness be 0.9mm steel bands；
B, the steel band through pretreatment is delivered on platform, first passes through shaping transmission 112 He of roll outside multipair first
Inside first shaping transmission roll 117 by the height of steel band edge roll up to 0.98 times of welded tube radius need to be prepared；Wherein, it is described
Outside multipair first, inside shaping transmission roll 112 and first, the tricks of shaping transmission roll 117 is 55 sets, and spacing 110mm turns
Speed is 520mm/min.
C, again will be at step b by shaping transmission roll 122 outside multipair second and the second shaping transmission roll 126
Steel band edge after reason is highly rolled up to need to prepare 1.35 times of welded tube radius；Wherein, transmission is shaped outside described multipair second to roll
The tricks of roller 122 and the second shaping transmission roll 126 is 55 sets, and spacing 110mm, rotating speed are 520mm/min.
D, again outside the multipair 3rd shaping transmission roll 132 and rigid pressure pin 173 by the steel after the process of step c
Belt edge is highly rolled up to preparing 1.8 times of welded tube radius, obtains pipe；Multipair 3rd shaping transmission roll tricks is 55 sets,
Spacing 110mm, rotating speed are 520mm/min.
E, the steel band obtained after the process of step d is fixed by fixed pore block again, under a shielding gas to pipe
Carry out laser welding.The laser power is 1050W, and speed of welding is 13.2m/min.Wherein, the direction of the protective gas
It is coaxial with the direction of laser beam.Protective gas is argon.
Embodiment 7
A, steel band 2 is carried out surface acid-washing, it is cold rolling and annealing；The annealing temperature is 878 DEG C, and annealing time is
5.8 hours, it is cold rolling after thickness of strips be thickness be 0.75mm steel bands；
B, the steel band through pretreatment is delivered on platform, first passes through shaping transmission 112 He of roll outside multipair first
Inside first shaping transmission roll 117 by the height of steel band edge roll up to 0.93 times of welded tube radius need to be prepared；Wherein, it is described
Outside multipair first, inside shaping transmission roll 112 and first, the tricks of shaping transmission roll 117 is 45 sets, and spacing 85mm turns
Speed is 450mm/min.
C, again will be at step b by shaping transmission roll 122 outside multipair second and the second shaping transmission roll 126
Steel band edge after reason is highly rolled up to need to prepare 1.25 times of welded tube radius；Wherein, transmission is shaped outside described multipair second to roll
The tricks of roller 122 and the second shaping transmission roll 126 is 45 sets, and spacing 85mm, rotating speed are 450mm/min.
D, again outside the multipair 3rd shaping transmission roll 132 and rigid pressure pin 173 by the steel after the process of step c
Belt edge is highly rolled up to preparing 1.95 times of welded tube radius, obtains pipe；Multipair 3rd shaping transmission roll tricks is 45 sets,
Spacing 85mm, rotating speed are 450mm/min.
E, the steel band obtained after the process of step d is fixed by fixed pore block again, under a shielding gas to pipe
Carry out laser welding.The laser power is 995W, and speed of welding is 13.3m/min.Wherein, the direction of the protective gas with
The direction of laser beam is coaxial.Protective gas is argon.
Data analysiss
First, outward appearance detection
The common steel tube welded to the welded still pipe obtained by embodiment 1-7 and by argon arc welding method carries out outward appearance detection,
The data obtained is shown in Table one.
Table one
| Outward appearance | |
| Embodiment 1 | Appearance of weld is good |
| Embodiment 2 | Appearance of weld is good |
| Embodiment 3 | Appearance of weld is good |
| Embodiment 4 | Appearance of weld is good |
| Embodiment 5 | Appearance of weld is good |
| Embodiment 6 | Appearance of weld is good |
| Embodiment 7 | Appearance of weld is good |
| Common steel tube | Appearance of weld is good |
As shown in Table 1, the steel pipe for being welded by embodiment 1-7 and the appearance of weld of common steel tube are good.2nd, outward appearance inspection
Survey
The common steel tube welded to the welded still pipe obtained by embodiment 1-7 and by argon arc welding method carries out tension test,
The standard of test basis is GB/T 228-2002《Metal material tensile testing at ambient temperature》.
Table two
| Fracture position | |
| Embodiment 1 | Rupture at mother metal |
| Embodiment 2 | Rupture at mother metal |
| Embodiment 3 | Rupture at mother metal |
| Embodiment 4 | Rupture at mother metal |
| Embodiment 5 | Rupture at mother metal |
| Embodiment 6 | Rupture at mother metal |
| Embodiment 7 | Rupture at mother metal |
| Common steel tube | Rupture commissure |
As shown in Table 2, there is good tensile property by steel pipe prepared by embodiment 1-7.
3rd, metallographic structure
The metallographic structure of welded still pipe and the common steel tube welded by argon arc welding method obtained by detection embodiment 1-7.
Table two
| Outward appearance | |
| Embodiment 1 | Strip deformed austenite, and be close with mother metal, there is no weak area |
| Embodiment 2 | Strip deformed austenite, and be close with mother metal, there is no weak area |
| Embodiment 3 | Strip deformed austenite, and be close with mother metal, there is no weak area |
| Embodiment 4 | Strip deformed austenite, and be close with mother metal, there is no weak area |
| Embodiment 5 | Strip deformed austenite, and be close with mother metal, there is no weak area |
| Embodiment 6 | Strip deformed austenite, and be close with mother metal, there is no weak area |
| Embodiment 7 | Strip deformed austenite, and be close with mother metal, there is no weak area |
| Common steel tube | Heat affected area width is larger, there is weak area |
As shown in Table 3, there is good metallographic structure by steel pipe prepared by embodiment 1-7.
The present invention is a kind of as mentioned above eliminates the method that laser is welded the bounce of light wall pipe pipeline, misalignment and ensures gap, can have
Imitate pipeline bounce when elimination laser is welded light wall pipe, misalignment and ensure gap, improve conforming product rate；The pipe produced by the method
Footpath directly meets production requirement, eliminates the production link of welded tube sizing, improves productivity ratio.
Although embodiment of the present invention is disclosed as above, which is not restricted to listed by description and embodiment
With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily
Other modification is realized, therefore under the general concept limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (10)
1. a kind of laser that eliminates is welded the bounce of light wall pipe pipeline, misalignment and ensures the device in gap, including：Successively tactic
One pipe winding mechanism, the second pipe winding mechanism, the 3rd pipe winding mechanism and welding clamping device；Steel plate pass sequentially through the first pipe winding mechanism,
Second pipe winding mechanism, the 3rd pipe winding mechanism and welding clamping device；
First pipe winding mechanism includes：
Platform and it is fixed on platform entablature；
Shaping transmission roll outside multipair first, which is rotatably vertically arranged on platform, shaping transmission outside each pair first
Spacing is provided between roll；
Shaping transmission roll inside first, which is can be rotatably set on the crossbeam, and is located at shaping biography outside each pair first
Send between roll, formed with pressing steel plate between shaping transmission roll inside shaping transmission roll and first outside described first
The gap of arc；
Wherein, the outline of transmission roll is shaped by the first globoidal structure and the first globoidal structure phase outside described first
The planar structure composition cut；Inside first, outside the outline and described first of shaping transmission roll, shaping transmits the foreign steamer of roll
Exterior feature matches.
2. the laser that eliminates according to claim 1 is welded the bounce of light wall pipe pipeline, misalignment and ensures the device in gap, its feature
It is that second pipe winding mechanism includes：
Shaping transmission roll outside multipair second, which is rotatably vertically arranged on platform, shaping transmission outside each pair second
It is close to each other between roll；Outside second, the outline of shaping transmission roll is provided with the second globoidal structure；
Shaping transmission roll inside second, its its can be rotatably set on the crossbeam, and be located at outside each pair second into
Between shape transmission roll；Roll at least provided with shaping transmission inside five described second between shaping transmission roll outside each pair second
Roller.
3. the laser that eliminates according to claim 1 is welded the bounce of light wall pipe pipeline, misalignment and ensures the device in gap, its feature
It is that the 3rd pipe winding mechanism includes：
Shaping transmission roll outside multipair 3rd, which is rotatably vertically arranged on platform, shaping transmission outside each pair the 3rd
Spacing is provided between roll；
Rigid pressure pin, which passes through pressure pin support bar and is arranged on outside the multipair 3rd between shaping transmission roll；
Wherein, the outline for transmission roll being shaped outside the described 3rd is provided with the 3rd globoidal structure；The rigid pressure pin is half
Cylinder, is provided with multipair axially distributed ground pressure pin wheel roller, the rigid pressure pin and the 3rd arc on the rigid pressure pin
Face structure matches.
4. the laser that eliminates according to claim 1 is welded the bounce of light wall pipe pipeline, misalignment and ensures the device in gap, its feature
It is that the welding clamping device includes
Fixed pore block, which is erected on platform, inside the fixed pore block is provided with cavity；
A pair the 4th transfer rollers, which is can be rotatably set in the cavity, is cooperated for solid in the 4th transfer roller
Fixed and transmission steel pipe；
Wherein, the outline of the 4th transfer roller is provided with the 4th globoidal structure.
5. it is a kind of to eliminate the method that laser is welded the bounce of light wall pipe pipeline, misalignment and ensures gap, it is characterised in that to include：
A, steel band is delivered on platform, first passes through outside multipair first shaping transmission roll inside shaping transmission roll and first
By the height of steel band edge roll up to 0.9～1.0 times of welded tube radius need to be prepared；
B, outside multipair second shaping transmission roll and the second shaping transmission roll by the Edge of Steel Strip after the process of step a
Edge is highly rolled up to need to prepare 1.0～1.6 times of welded tube radius；
C, the steel band edge after the process of step b is highly rolled up by shaping transmission roll and rigid pressure pin outside the multipair 3rd
1.6～2.0 times of welded tube radius need to be extremely prepared, pipe is obtained；
D, the pipe obtained after the process of step c is fixed by fixed pore block, under a shielding gas pipe is swashed
Photocoagulation.
6. it is according to claim 5 to eliminate the method that laser is welded the bounce of light wall pipe pipeline, misalignment and ensures gap, its feature
It is also to include：Carry out pretreatment before step a to steel pipe, the pretreatment includes carrying out steel band surface acid-washing, cold rolling
And annealing.
7. it is according to claim 6 to eliminate the method that laser is welded the bounce of light wall pipe pipeline, misalignment and ensures gap, its feature
It is：The annealing temperature is 875～885 DEG C, and annealing time is 5.5～6.5 hours.
8. it is according to claim 5 to eliminate the method that laser is welded the bounce of light wall pipe pipeline, misalignment and ensures gap, its feature
It is：
In step a, outside described multipair first, inside shaping transmission roll and first, the tricks of shaping transmission roll is 5
～100 sets, 10～200mm of spacing, rotating speed are 10～1000mm/min；
In step b, outside described multipair second, inside shaping transmission roll and second, the tricks of shaping transmission roll is 5
～100 sets, 10～200mm of spacing, rotating speed are 10～1000mm/min；
In step c, multipair 3rd shaping transmission roll tricks is 5～100 sets, 10～200mm of spacing, rotating speed for 10～
1000mm/min。
9. it is according to claim 5 to eliminate the method that laser is welded the bounce of light wall pipe pipeline, misalignment and ensures gap, its feature
It is：The laser power is 900～1100W, and speed of welding is 12～14m/min；The direction of the protective gas and laser
The direction of beam is coaxial.
10. according to claim 5 to eliminate the method that laser is welded the bounce of light wall pipe pipeline, misalignment and ensures gap, which is special
Levy and be：After cold rolling, the thickness of the steel band is 0.5～1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710021175.4A CN106514023B (en) | 2017-01-12 | 2017-01-12 | A kind of elimination laser is welded the bounce of light wall pipe pipeline, misalignment and the devices and methods therefor for ensureing gap |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710021175.4A CN106514023B (en) | 2017-01-12 | 2017-01-12 | A kind of elimination laser is welded the bounce of light wall pipe pipeline, misalignment and the devices and methods therefor for ensureing gap |
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| CN106514023A true CN106514023A (en) | 2017-03-22 |
| CN106514023B CN106514023B (en) | 2018-07-17 |
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| CN201710021175.4A Expired - Fee Related CN106514023B (en) | 2017-01-12 | 2017-01-12 | A kind of elimination laser is welded the bounce of light wall pipe pipeline, misalignment and the devices and methods therefor for ensureing gap |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213829A (en) * | 2018-03-26 | 2018-06-29 | 辽宁工业大学 | A kind of staggeredly scalable tooling of spoke type and its adjusting method for agitating friction weldering |
| CN113172310A (en) * | 2021-04-16 | 2021-07-27 | 哈尔滨焊接研究院有限公司 | Welding process for inlet and outlet connecting pipe of low-temperature reactor pressure vessel and heat exchanger connecting pipe |
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| JPH1027918A (en) * | 1996-07-09 | 1998-01-27 | Sharp Corp | Laser patterning device |
| CN201120527Y (en) * | 2007-08-16 | 2008-09-24 | 武汉法利莱切割系统工程有限责任公司 | Numerical control laser tube-welding machine |
| CN102822563A (en) * | 2010-03-25 | 2012-12-12 | 通快机床两合公司 | Cable conducting device, in particular a cable drag chain |
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| CN206382722U (en) * | 2017-01-12 | 2017-08-08 | 辽宁工业大学 | A kind of elimination laser is welded the bounce of light wall pipe pipeline, misalignment and the device for ensureing gap |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1027918A (en) * | 1996-07-09 | 1998-01-27 | Sharp Corp | Laser patterning device |
| CN201120527Y (en) * | 2007-08-16 | 2008-09-24 | 武汉法利莱切割系统工程有限责任公司 | Numerical control laser tube-welding machine |
| CN102822563A (en) * | 2010-03-25 | 2012-12-12 | 通快机床两合公司 | Cable conducting device, in particular a cable drag chain |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213829A (en) * | 2018-03-26 | 2018-06-29 | 辽宁工业大学 | A kind of staggeredly scalable tooling of spoke type and its adjusting method for agitating friction weldering |
| CN108213829B (en) * | 2018-03-26 | 2023-11-14 | 辽宁工业大学 | Staggered spoke type telescopic tool for friction stir welding and adjusting method thereof |
| CN113172310A (en) * | 2021-04-16 | 2021-07-27 | 哈尔滨焊接研究院有限公司 | Welding process for inlet and outlet connecting pipe of low-temperature reactor pressure vessel and heat exchanger connecting pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106514023B (en) | 2018-07-17 |
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