CN107234440A - Diameter and the adjustable screw thread pile tube production line of wall thickness - Google Patents
Diameter and the adjustable screw thread pile tube production line of wall thickness Download PDFInfo
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- CN107234440A CN107234440A CN201710423661.9A CN201710423661A CN107234440A CN 107234440 A CN107234440 A CN 107234440A CN 201710423661 A CN201710423661 A CN 201710423661A CN 107234440 A CN107234440 A CN 107234440A
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- screw thread
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- wall thickness
- pile tube
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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
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
Abstract
A kind of adjustable screw thread pile tube production line of diameter and wall thickness, it is characterized in that it is main by feeder（1）, uncoiler（2）, gripping leveling machine（3）, edge milling machines（4）, pre-bending presser device（5）And forming machine（6）Composition, steel coil strip enters feeder（1）Afterwards by uncoiler（2）Gripping leveling machine is sent into after uncoiling（3）Deliver forward and corrected, the steel band of original rolled state is become tabular, subsequently into edge milling machines（4）Both sides side milling is whittled into hypotenuse in favor of finally shape into welding processing, the steel band behind milling side enters pre-bending presser device（5）Two sides are carried out with upward pre-bending and enters forming machine in the presence of pressing plate（6）In be crimped the helical form piece that is formed during shaping, cans and welded using inside and outside welding equipment, wherein interior welds equipment and outside weldings equipment welding position one spiral of difference；Advanced in steel band and both sides are provided with multiple electronic verticle roll units for righting（7）.The present invention is simple in construction, and production effect is high, and variable diameters and Varying-thickness can be achieved.
Description
Technical field
The present invention relates to a kind of steel pipe's production technology, especially a kind of utilization strip produces the technology of screw thread pile tube, specifically
It is a kind of diameter and the adjustable screw thread pile tube production line of wall thickness that ground, which is said,.
Background technology
It is well known that pile tube starts production early 20th century in Europe, and it is rapid in particularly flourishing industry all over the world
Change country to be used widely.In the 1950s, China is first in railroad bridge cofferdam construction, by bridge office of the Ministry of Railways from
Former Soviet Union's introducing and employment.Due to being influenceed by cheap land resource and human resources, domestic production in addition is substantially at blank shape
State is still very slow with developing in the application of China as the overlength pile tube of metal building material.With the quick hair of China's economy
Exhibition, all kinds of quick, efficiently, environmentally friendly construction techniques are able to approve and developed, 20 end of the centurys, the steel sheet pile application work of China
Journey oneself have certain development.Due to its special construction, thus there is uniqueness:High intensity, light-duty, water isolating are good;
Durability is strong, and service life reaches 20-50;It is reusable, it is general to can be used 5-10 times;Environment protecting significantly, is being constructed
In can greatly reduce the amount of fetching earth and the usage amount of concrete, effectively protect land resource;Function with stronger disaster relief and rescue,
Especially controlling flood, cave in, collapse, in the rescue and relief work of drift sand, taking effect especially fast；Construction is simple, and the duration shortens, construction cost
Relatively save.
Current ocean engineering is increasingly popularized, and carrying out enclosing at deep-sea among extra large, cofferdam sea implementation needs the length of pile tube
Increasingly longer, especially depth is deep, it is desirable to which the load of carrying is just higher, but in the big of each place carrying of longitudinal direction
It is small and be change, wherein the power in the place carrying of land and sea junction is maximum, if carrying out calculated thickness according to maximum point value, due to
Steel are in length direction unbalance stress, and carrying thickness requirement is also different, it is necessary to work out in length direction according to stress feelings
Condition determines the pile tube of the Varying-thickness of thickness.So intensity requirement can be met, material can be saved in large quantities again, with very
High frequent benefit and social benefit.
If using the pile tube of this Varying-thickness, steel using amount will be substantially reduced, 20 ~ 30% can be saved, it is cost-effective, have
The Social benefit and economic benefit of display.And as far as the applicant is aware, there is no one kind to produce Varying-thickness super long spiral pile tube at present
Equipment it is available.
The content of the invention
The purpose of the present invention is that design is a kind of the problem of can not realizing Varying-thickness and variable diameters for current large-diameter tubular pile
Diameter and the adjustable screw thread pile tube production line of wall thickness.
The technical scheme is that：
A kind of adjustable screw thread pile tube production line of diameter and wall thickness, it is characterized in that it is main strong by feeder 1, uncoiler 2, pinch
Flat machine 3, edge milling machines 4, pre-bending presser device 5 and forming machine 6 are constituted, and steel coil strip is sent after entering feeder 1 after the uncoiling of uncoiler 2
Enter gripping leveling machine 3 to deliver and corrected forward, the steel band of original rolled state is become tabular, subsequently into edge milling machines
4 both sides side milling is whittled into hypotenuse in favor of finally shape into welding processing, the steel band behind milling side enters 5 pairs of pre-bending presser device
Two sides carry out upward pre-bending and in the presence of pressing plate entered to be crimped in forming machine 6 during shaping, cans
The helical form piece of formation is welded using inside and outside welding equipment, wherein interior welds equipment and outside weldings equipment welding position
Put one spiral of difference；Advanced in steel band and both sides are provided with multiple electronic verticle roll units 7 for righting.
Described feeder 1 includes base 101, and the third end of described base 101, which is arranged with guide rail, guide rail, to be provided with
Column cap 105, column cap 105 being moved under moving left and right the drive of oil cylinder 106 along guide rail with adjust left and right two column caps between across
Degree is respectively provided with a slotting roller for being used to insert in stock roll band to adapt to different in width feeding needs on two column caps 105
108, insert roller 108 and be connected with moving up and down the piston rod of oil cylinder 107 so as to move up and down, to adapt to different-diameter stock roll band
The need for, be provided with the support winding apparatus 104 for being used for bearing material volume weight in the middle of two column caps 105, described support winding apparatus 104 by
Two carrying rollers and its transmission device composition, two carrying rollers by belt wheel drive rotate backward so as to by the speed of setting by steel band from
Sent out on band volume, belt wheel is driven by upper volume gear-box 103, and upper volume gear bar 103 is driven by upper volume motor 102.
Described uncoiler 2 includes frame 201 and the moveable hinge of 203 shovel head of shovel head 203 in shovel shaft 204, shovel shaft 204
Two ends hinge is lifted the other end hinge of arm 205 on dead axle 206 and fixed with one end of lever 207 on the one end for lifting arm 205
It is connected, the lower end of the other end and cylinder piston rod 208 of lever 207 is hinged and connected.
Described gripping leveling machine 3 is made up of clamping and conveying device 311 and straightening device, and clamping and conveying device 311 is filled installed in leveling
The charging epistome put, clamping and conveying device is made up of upper bottom pinch roll and its drive device, and described straightening device includes upper leveling
Axle 35 and lower leveling axle 312, described upper leveling axle 305 and lower leveling axle 312 are corresponding with split gear case 308 by shaft coupling
Output shaft be connected, the input shaft of split gear case 308 is connected by shaft coupling with the output shaft of decelerator 309, decelerator 309
Input shaft is connected by shaft coupling with the output shaft of motor 310；Described lower leveling axle 312 is arranged on lower bracing frame adjusting apparatus
To adjust its height on 306, lower bracing frame adjusting apparatus 306 is arranged in lower bracing frame 307；Described upper leveling axle
305 are arranged in upper support frame adjusting apparatus 304, and upper support frame adjusting apparatus 304 is arranged on upper support frame 303, upper support
Frame 303 is arranged on back timber 302, and back timber device 302 is arranged on column 313, is provided with column 313 and is pushed back timber 302
Screwdown gear 301.
Described edge milling machines 4 includes the facing cutter 405 for being symmetrically mounted on strip both sides, and facing cutter 405 is by transmission device 401
Drive and rotate；Facing cutter 405 and transmission device 401 are installed on sliding seat 402, and sliding seat is arranged on base 404, base
Width adjusting apparatus 403 the need for driving sliding seat is moved left and right to adapt to different bandwidth Raw material processing is installed on 404.
Described pre-bending presser device 5 includes being provided with fixed guide plate 501 on fixed support 502, fixed support 502,
The both sides of described fixed guide plate 501 are respectively provided with one group of pre-flanging guide wheel group 503, and two sides of steel band are led into pre-flanging
The shape of inside bending is formed between wheel group, movable guide plate 505 is installed in the discharging side of fixed guide plate 501, activity
The top of guide plate 505, which is provided with, can adjust the groove beam of its height；Between between two guide wheels of described pre-flanging guide wheel group 3
Gap is adjustable, to adapt to different-thickness sheet metal bending needs；The quantity of described movable guide plate 5 is three, and steel band is pushed down respectively
Centre and two sides；Roller is installed to subtract in the one side that described movable guide plate 5 and fixed guide plate 1 is contacted with steel band
The frictional force that few steel band passes through.
It includes the interior welding gun of pylon 606, pipe and pipe external welding with described forming machine 6, and pylon 606 is arranged on mobile base
On 608, mobile base 608 is arranged on firm banking 609, and sizing roll stand 605, sizing roller are provided with described pylon 606
Three forming rolls 611 are installed, the distance between three format rolls of adjustment can change the external diameter of shaping steel pipe on frame 605；
Guide roller 601,603 is installed in mobile base 608, welding heat roller 602 is installed at forming tube helically-seamed place, in guide roller
601,603 outside is also respectively provided with an attached roller 604, and being provided with the porch of shaped device makes strip enter correctly into guiding
Roller 601,603 carries out the edger roll of bending deformation；Position of the described sizing roll stand 605 on pylon 606 is adjustable；In described pipe
Welding gun and pipe external welding are helically-seamed relative with adjacent two respectively, and with the pipeline of outside weldering inspection relative position in plus
Mounted in the interior roller 607 for improving outside weldquality, interior roller 607 is connected by connecting bracket with pylon 606.
Described electronic verticle roll unit 7 includes being provided with pedestal 704, pedestal 704 on base 705, described base 705
It is provided with guide rail 706, guide rail 706 and screw mandrel 703 is installed, screw mandrel 703 is driven by motor 701, feed screw nut 707 is arranged on silk
On bar 703, roll body 702 is connected with feed screw nut 707.
Beneficial effects of the present invention：
1）The present invention can reasonably be fed by when raw material are fed by the sheet material of different-thickness according to the requirement of tubing.
The length that steel are fed and the orientation fed are accurately measured by sensor.
2）Different-thickness can be crimped by the present invention, ensure that different thickness can be crimped accurately among curly course
Later external diameter does not change, and internal diameter changes.Ensure to weld penetration between different-thickness steel.
3）The present invention can guarantee that length direction in rational defined drawing requirement in the place thickness of the thickness, the thin place
Thin, accurately control length direction thickness is measured.Ensure the full penetration of weld seam between different-thickness, can guarantee that weld seam reaches
To desired index.
4）The present invention is reasonable in design, and production efficiency is high.
Brief description of the drawings
Fig. 1 is the system composition schematic diagram of the present invention.
Fig. 2 is the structural representation of the feeder of the present invention.
Fig. 3 is the structural representation of the uncoiler of the present invention.
Fig. 4 is the structural representation of the gripping leveling machine of the present invention.
Fig. 5 is the structural representation of the edge milling machines of the present invention.
Fig. 6 is the structural representation of the pre-bending presser device of the present invention.
Fig. 7 is the structural representation of the forming machine of the present invention.
Fig. 8 is the structural representation of the electronic verticle roll unit of the present invention.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in figures 1-8.
A kind of adjustable screw thread pile tube production line of diameter and wall thickness, it is mainly by feeder 1, uncoiler 2, gripping leveling machine
3rd, edge milling machines 4, pre-bending presser device 5 and forming machine 6 are constituted, as shown in figure 1, steel coil strip is opened after entering feeder 1 by uncoiler 2
Gripping leveling machine 3 is sent into after volume to deliver and corrected forward, the steel band of original rolled state is become tabular, subsequently into
Edge milling machines 4 both sides side milling is whittled into hypotenuse in favor of finally shape into welding processing, the steel band behind milling side enters pre- bent clamp
5 pair of two side of device carries out upward pre-bending and in the presence of pressing plate entered in forming machine 6 to be crimped shaping, cans
During the helical form piece that is formed welded using inside and outside welding equipment, wherein interior welds equipment and outside weldings equipment
Welding position differs a spiral；Advanced in steel band and both sides are provided with multiple electronic verticle roll units 7 for righting.Described
Electronic verticle roll unit 7, which includes being provided with pedestal 704, pedestal 704 on base 705, described base 705, is provided with guide rail 706,
Screw mandrel 703 is installed, screw mandrel 703 is driven by motor 701 on guide rail 706, feed screw nut 707 is arranged on screw mandrel 703, roll body
702 are connected with feed screw nut 707, as shown in Figure 8.
Each chief component of the present invention is described in detail under uncle (mother's brother)：
As shown in Fig. 2 feeder 1 includes base 101, the third end of described base 101, which is arranged with guide rail, guide rail, to be provided with
Column cap 105, column cap 105 being moved under moving left and right the drive of oil cylinder 106 along guide rail with adjust left and right two column caps between across
Degree is respectively provided with a slotting roller for being used to insert in stock roll band to adapt to different in width feeding needs on two column caps 105
108, insert roller 108 and be connected with moving up and down the piston rod of oil cylinder 107 so as to move up and down, to adapt to different-diameter stock roll band
The need for, be provided with the support winding apparatus 104 for being used for bearing material volume weight in the middle of two column caps 105, described support winding apparatus 104 by
Two carrying rollers and its transmission device composition, two carrying rollers by belt wheel drive rotate backward so as to by the speed of setting by steel band from
Sent out on band volume, belt wheel is driven by upper volume gear-box 103, and upper volume gear bar 103 is driven by upper volume motor 102.
As shown in figure 3, uncoiler 2 includes frame 201 and the moveable hinge of 203 shovel head of shovel head 203 in shovel shaft 204, shovel shaft
204 two ends hinge lifts the other end hinge of arm 205 on the dead axle 206 and with the one of lever 207 on the one end for lifting arm 205
End is fixedly linked, and the lower end of the other end and cylinder piston rod 208 of lever 207 is hinged and connected.
As shown in figure 4, gripping leveling machine 3 is made up of clamping and conveying device 311 and straightening device, clamping and conveying device 311, which is arranged on, to be rectified
The charging epistome of leveling device, clamping and conveying device is made up of upper bottom pinch roll and its drive device, and described straightening device includes upper
Leveling axle 35 and lower leveling axle 312, described upper leveling axle 305 and lower leveling axle 312 pass through shaft coupling and split gear case 308
Corresponding output shaft is connected, and the input shaft of split gear case 308 is connected by shaft coupling with the output shaft of decelerator 309, decelerator
309 input shaft is connected by shaft coupling with the output shaft of motor 310；Described lower leveling axle 312 is adjusted installed in lower bracing frame
To adjust its height in engagement positions 306, lower bracing frame adjusting apparatus 306 is arranged in lower bracing frame 307；Described is upper strong
Flat axle 305 is arranged in upper support frame adjusting apparatus 304, and upper support frame adjusting apparatus 304 is arranged on upper support frame 303, on
Support frame 303 is arranged on back timber 302, and back timber device 302 is arranged on column 313, is provided with back timber 302 on column 313
The screwdown gear 301 pushed.
As shown in figure 5, edge milling machines 4 includes the facing cutter 405 for being symmetrically mounted on strip both sides, facing cutter 405 is filled by transmission
Put 401 drives rotation；Facing cutter 405 and transmission device 401 are installed on sliding seat 402, and sliding seat is arranged on base 404
On, width adjustment the need for driving sliding seat is moved left and right to adapt to different bandwidth Raw material processing is installed on base 404 and filled
Put 403.
As shown in fig. 6, pre-bending presser device 5 includes being provided with fixed guide plate on fixed support 502, fixed support 502
501, the both sides of described fixed guide plate 501 are respectively provided with one group of pre-flanging guide wheel group 503, and two sides of steel band enter pre-bending
The shape of inside bending is formed between the guide wheel group of side, movable guide plate 505 is installed in the discharging side of fixed guide plate 501,
The top of movable guide plate 505, which is provided with, can adjust the groove beam of its height；Between two guide wheels of described pre-flanging guide wheel group 3
Gap it is adjustable, to adapt to different-thickness sheet metal bending needs；The quantity of described movable guide plate 5 is three, is pushed down respectively
The centre of steel band and two sides；Roller is installed in the one side that described movable guide plate 5 and fixed guide plate 1 is contacted with steel band
To reduce the frictional force that steel band passes through.
As shown in fig. 7, forming machine 6 it include pylon 606, welding gun and pipe external welding in pipe, pylon 606 is arranged on mobile bottom
On seat 608, mobile base 608 is arranged on firm banking 609, and sizing roll stand 605, sizing are provided with described pylon 606
Three forming rolls 611 are installed, the distance between three format rolls of adjustment can change the external diameter of shaping steel pipe in roll stand 605；
Guide roller 601,603 is installed in mobile base 608, welding heat roller 602 is installed at forming tube helically-seamed place, in guide roller
601,603 outside is also respectively provided with an attached roller 604, and being provided with the porch of shaped device makes strip enter correctly into guiding
Roller 601,603 carries out the edger roll of bending deformation；Position of the described sizing roll stand 605 on pylon 606 is adjustable；In described pipe
Welding gun and pipe external welding are helically-seamed relative with adjacent two respectively, and with the pipeline of outside weldering inspection relative position in plus
Mounted in the interior roller 607 for improving outside weldquality, interior roller 607 is connected by connecting bracket with pylon 606.
Raw steel band first carries out pinch smoothing after winding off, and then carries out milling side, crimp again through shaped device in deflector roll
Required diameter is curled under guiding, piece is welded twice respectively using inside and outside welding machine, is once from interior welds, so
After carry out outside weldings, then after carry out fixed length cutting further according to required length.Diameter change need to be such as carried out in process, can
Realized by adjusting the position of forming rolls on forming machine, if carrying out thickness adjustment, need first to calculate replacing thickness
The consumption of band at degree, production line is loaded onto when reaching consumption, then by the band of different-thickness, it is ensured that two kinds of thickness bands into
Realize slitless connection in shape machine exit.
Part that the present invention does not relate to is same as the prior art or can be realized using prior art.
Claims (8)
1. a kind of diameter and the adjustable screw thread pile tube production line of wall thickness, it is characterized in that it is main by feeder（1）, uncoiler（2）、
Gripping leveling machine（3）, edge milling machines（4）, pre-bending presser device（5）And forming machine（6）Composition, steel coil strip enters feeder（1）Afterwards
By uncoiler（2）Gripping leveling machine is sent into after uncoiling（3）Deliver forward and corrected, become the steel band of original rolled state
Tabular, subsequently into edge milling machines（4）Both sides side milling is whittled into hypotenuse in favor of finally shape into welding processing, behind milling side
Steel band enters pre-bending presser device（5）Two sides are carried out with upward pre-bending and enters forming machine in the presence of pressing plate（6）In
It is crimped the helical form piece formed during shaping, cans to be welded using inside and outside welding equipment, wherein internal
Welding equipment and outside weldings equipment welding position differ a spiral；It is provided with steel band traveling and both sides multiple for righting
Electronic verticle roll unit（7）.
2. diameter according to claim 1 and the adjustable screw thread pile tube production line of wall thickness, it is characterized in that described feeder
（1）Including base（101）, described base（101）The third end be arranged with guide rail, guide rail column cap be installed（105）, column cap
（105）Moving left and right oil cylinder（106）Drive under move to adjust the span between two column caps in left and right to adapt to along guide rail
Different in width feeding needs, in two column caps（105）On be respectively provided with one and be used for the slotting roller that inserts in stock roll band（108）,
Insert roller（108）With moving up and down oil cylinder（107）Piston rod be connected so as to moving up and down, to adapt to different-diameter stock roll band
The need for, in two column caps（105）Centre is provided with the support winding apparatus for being used for bearing material volume weight（104）, described support winding apparatus
（104）It is made up of two carrying rollers and its transmission device, two carrying rollers drive by belt wheel and rotated backward so as to by the speed of setting
Steel band is sent out from band volume, belt wheel is by upper volume gear-box（103）Driving, upper volume gear bar（103）By upper volume motor（102）Drive
It is dynamic.
3. diameter according to claim 1 and the adjustable screw thread pile tube production line of wall thickness, it is characterized in that described uncoiler
（2）Including frame（201）And shovel head（203）Shovel head（203）Moveable hinge is mounted in shovel shaft（204）On, shovel shaft（204）Two ends hinge dress
Lifting arm（205）One end on, lift arm（205）The other end hinge be mounted in dead axle（206）Upper and and lever（207）One end fix
It is connected, lever（207）The other end and cylinder piston rod（208）Lower end be hinged and connected.
4. diameter according to claim 1 and the adjustable screw thread pile tube production line of wall thickness, it is characterized in that described pinch is rectified
Flat machine（3）By clamping and conveying device（311）With straightening device composition, clamping and conveying device（311）Installed in the charging epistome of straightening device,
Clamping and conveying device is made up of upper bottom pinch roll and its drive device, and described straightening device includes upper leveling axle（35）With lower leveling axle
（312）, described upper leveling axle（305）With lower leveling axle（312）Pass through shaft coupling and split gear case（308）Corresponding output
Axle is connected, split gear case（308）Input shaft pass through shaft coupling and decelerator（309）Output shaft be connected, decelerator（309）'s
Input shaft passes through shaft coupling and motor（310）Output shaft be connected；Described lower leveling axle（312）Installed in lower bracing frame adjustment
Device（306）To adjust its height, lower bracing frame adjusting apparatus on upper（306）Installed in lower bracing frame（307）On；Described
Upper leveling axle（305）Installed in upper support frame adjusting apparatus（304）On, upper support frame adjusting apparatus（304）Installed in upper support
Frame（303）On, upper support frame（303）Installed in back timber（302）On, back timber device（302）Installed in column（313）On, column
（313）On be provided with back timber（302）The screwdown gear pushed（301）.
5. diameter according to claim 1 and the adjustable screw thread pile tube production line of wall thickness, it is characterized in that described edge milling machines
（4）Facing cutter including being symmetrically mounted on strip both sides（405）, facing cutter（405）By transmission device（401）Drive and rotate；Milling
Cutterhead（405）And transmission device（401）It is installed in sliding seat（402）On, sliding seat is arranged on base（404）On, base
（404）On be provided with driving sliding seat move left and right to adapt to different bandwidth Raw material processing the need for width adjusting apparatus
（403）.
6. diameter according to claim 1 and the adjustable screw thread pile tube production line of wall thickness, it is characterized in that described pre-bending pressure
Panel assembly（5）Including fixed support（502）, fixed support（502）On fixed guide plate is installed（501）, described fixation leads
To plate（501）Both sides one group of pre-flanging guide wheel group is respectively installed（503）, two sides of steel band enter between pre-flanging guide wheel group
The shape of inside bending is formed, in fixed guide plate（501）Discharging side movable guide plate is installed（505）, activity-oriented
Plate（505）Top be provided with and can adjust the groove beam of its height；Described pre-flanging guide wheel group（3）Two guide wheels between
Gap is adjustable, to adapt to different-thickness sheet metal bending needs；Described movable guide plate（5）Quantity be three, steel is pushed down respectively
The centre of band and two sides；Described movable guide plate（5）With fixed guide plate（1）Rolling is installed in the one side contacted with steel band
Take turns to reduce the frictional force that steel band passes through.
7. diameter according to claim 1 and the adjustable screw thread pile tube production line of wall thickness, it is characterized in that described forming machine
（6）It includes pylon（606）, welding gun and pipe external welding, pylon in pipe（606）Installed in mobile base（608）On, mobile base
（608）Installed in firm banking（609）On, described pylon（606）On sizing roll stand is installed（605）, sizing roll stand（605）
On three forming rolls are installed（611）, the external diameter of shaping steel pipe can be changed by adjusting the distance between three format rolls；In movement
Base（608）On guide roller is installed（601,603）, welding heat roller is installed at forming tube helically-seamed place（602）, in guide roller
（601,603）Outside one attached roller is also respectively installed（604）, being provided with the porch of shaped device enters correctly into strip
Guide roller（601,603）Carry out the edger roll of bending deformation；Described sizing roll stand（605）In pylon（606）On position it is adjustable；
Welding gun and pipe external welding are helically-seamed relative with adjacent two respectively in described pipe, and with outside weldering inspection relative position
Pipeline in be installed at the interior roller for improving outside weldquality（607）, interior roller（607）Pass through connecting bracket and pylon（606）Phase
Even.
8. diameter according to claim 1 and the adjustable screw thread pile tube production line of wall thickness, it is characterized in that described electric standing
Roller arrangement（7）Including base（705）, described base（705）On pedestal is installed（704）, pedestal（704）In guide rail is installed
（706）, guide rail（706）On screw mandrel is installed（703）, screw mandrel（703）By motor（701）Driving, feed screw nut（707）It is arranged on
Screw mandrel（703）On, roll body（702）With feed screw nut（707）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710423661.9A CN107234440A (en) | 2017-06-07 | 2017-06-07 | Diameter and the adjustable screw thread pile tube production line of wall thickness |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710423661.9A CN107234440A (en) | 2017-06-07 | 2017-06-07 | Diameter and the adjustable screw thread pile tube production line of wall thickness |
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| CN108655736A (en) * | 2018-07-24 | 2018-10-16 | 山西创奇实业有限公司 | A kind of unit for producing thin-walled spiral welded pipe |
| CN108971718A (en) * | 2018-08-31 | 2018-12-11 | 常州德研自动化科技有限公司 | Straightening blanking electric resistance welding tube and section bending line |
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| CN110076568A (en) * | 2019-05-31 | 2019-08-02 | 张家港华程机车精密制管有限公司 | A kind of process units of the welded still pipe for crawler crane string abdomen arm |
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| CN110252832A (en) * | 2019-07-12 | 2019-09-20 | 天津市宇润德金属制品有限公司 | Hulling machine |
| CN110252832B (en) * | 2019-07-12 | 2024-02-09 | 天津市宇润德金属制品有限公司 | Sheller |
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