CN107838221B - A kind of steel tube seamless treatment process - Google Patents
A kind of steel tube seamless treatment process Download PDFInfo
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- CN107838221B CN107838221B CN201711085233.6A CN201711085233A CN107838221B CN 107838221 B CN107838221 B CN 107838221B CN 201711085233 A CN201711085233 A CN 201711085233A CN 107838221 B CN107838221 B CN 107838221B
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- pipe
- idler wheel
- frame
- steel
- steel pipe
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/0807—Tube treating or manipulating combined with, or specially adapted for use in connection with tube making machines, e.g. drawing-off devices, cutting-off
- B21C37/0811—Tube treating or manipulating combined with, or specially adapted for use in connection with tube making machines, e.g. drawing-off devices, cutting-off removing or treating the weld bead
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention proposes a kind of steel tube seamless treatment process, including including the following steps: that the two edges to on-gauge plate material carry out two-sided milling, it is wide to reach preset plate, then carries out edges of boards pre-bending using prebending machine, reaches predetermined curvature；Edges of boards after pre-bending are rolled through multiple tracks roll, form round pipe；Round pipe is obtained into seamed welded pipe through high-frequency buckling welding fabrication；Remove the inside and outside wall weld redundance crator of seamed welded pipe；Whether removed completely after the annealing of high frequency weld seam using failure detector detection steel duct crator；Steel pipe after will test qualification carries out rolling and reaches preset diameter；It deoils and steel pipe is carried out by Length-fixing cutting using pipe cutting machine after cleaning, repair end face, in steel pipe in inner wall spraying abrasion-proof layer, then the steel pipe after Pipe Cutting detected, be packaged to be finished product, simple process, energy-saving, at low cost easy to operate, operating rate is high, the standard requirements of seamless pipe can be reached in terms of uniform wall thickness, welded tube performance and chemical component.
Description
Technical field
The present invention relates to and a kind of production technical field of seamless steel pipe, especially a kind of steel tube seamless treatment process.
Background technique
The production method of existing seamless steel pipe mainly includes hot-rolled pipe production technology, cold rolling, cold-drawn production technology and
Welded tube adds tension reducing mill seamless process technique, usual hot-rolled pipe production technology: mainly including surface treatment, cuts, centering, adds
Fronts process and tube rolling, the expansions such as heat, perforation, the rear portions such as sizing, cooling, detect a flaw, suppress inspections, be packed and stored handle work
Sequence.Due to being using hot-rolling perforation machine, pipe is in perforation deformation process, and stress is complicated, and Deformational Environment is severe, and cold rolling, cold
Pull out production technology: main includes fronts process and tup, pickling, the phosphatizations such as surface treatment, cutting, centering, heating, perforation
With saponification, cold rolling or cold-drawn, annealing, cutting head cutting tail, the rear portions treatment process such as inspection, detect a flaw, be packed and stored.Except there are above-mentioned heat
Outside all disadvantages of roll process, since production passage increases, lumber recovery is caused.It specifically includes that the trimming of raw material strip, round tube
Molding, welding, removal welding burr, heating, on stretch-reducing mill tube reducing, cooling, detect a flaw, suppress inspection, be packed and stored
Process.The disadvantage is that: do not add the extruding of inner core by tube rolling, roll, roll real weld seam, weld seam and maternal tissue one cannot be made
It causes, weld strength is low.Weld seam trace can not be eliminated, moreover it is possible to see weld seam, it is proposed that a kind of steel tube seamless treatment process.
Summary of the invention
The object of the invention is to solve the problems of the prior art, a kind of steel tube seamless treatment process is proposed, with solution
High production cost certainly of the existing technology can not eliminate weld seam trace and the low problem of weld strength, while using flaw detection dress
The inner wall weld of detection steel pipe is set, flaw detection camera is always positioned at the center of seamless steel pipe, and camera is apart from seamless steel pipe
Inner wall being equidistant everywhere, good imaging quality guarantees the quality of product.
To achieve the above object, the invention proposes a kind of steel tube seamless treatment process, it is characterised in that including as follows
Step:
The pretreatment of a plate: after carrying out full plate ultrasound examination to plate, the two edges of qualified plate carry out two-sided milling,
It is wide to reach preset plate, edges of boards pre-bending is then carried out using prebending machine, reaches predetermined curvature；
B forming processes: the edges of boards after pre-bending are rolled through multiple tracks roll, form round pipe；
C molding welding: round pipe is obtained into seamed welded pipe through high-frequency buckling welding fabrication；
D finishing procedure: the inside and outside wall weld redundance crator of seamed welded pipe is removed；
The annealing of e high frequency weld seam: annealing temperature is 1050 DEG C, and annealing time is 45 minutes；
F weld seam detection: whether removed completely using failure detector detection steel duct crator；
The failure detector includes installation bar body, support connecting base, idler wheel control assembly, carrying out flaw detection probe, driving
Adjusting bracket and flexible drive frame, the installation bar body, which is equipped with, adjusts sleeve, and the support connecting base is mounted on mounting rod sheet
On body, the carrying out flaw detection probe is fixed on the end of installation bar body, and the periphery of the installation bar body is equipped with several rollings
Control assembly is taken turns, one end of the idler wheel control assembly is equipped with idler wheel, and the other end of the idler wheel control assembly is equipped with the first hinge
Joint chair, first hinged seat are mounted on the periphery of support connecting base, and the idler wheel control assembly is equipped with bogie, described
Driver slot is offered on bogie, the driving adjusting bracket is equipped with drive ring, and the drive ring runs through driver slot, the driving
Adjusting bracket is movably arranged on support connecting base by flexible drive frame；
G rolling: the steel pipe after will test qualification carries out rolling and reaches preset diameter；
H cleaning: carrying out oil removing for the steel pipe after rolling, then carry out ultrasonic cleaning, and calico detection is played after cleaning；
I is cut surely and finished product detection: steel pipe being carried out Length-fixing cutting using pipe cutting machine, repairs end face, then to the steel after Pipe Cutting
Pipe carries out hydraulic pressure test, pipe end and tube body flaw detection, surface polishing treatment or sandblasting, coding, is packaged to be finished product seamless steel tube.
Preferably, by the drafts of debugging roll in step b forming processes, thus void in rate-determining steps c
Width range in 1-3mm.
Preferably, the step i is cut surely with finished product detection, the steel pipe after cutting surely is in inner wall spraying abrasion-proof layer.
Preferably, the idler wheel control assembly further includes support frame, installing frame and auxiliary slider, the one of support frame as described above
End is mounted on support connecting base by the first hinged seat, and the other end of support frame as described above is connected with installing frame, the installing frame
For U-shaped frame, the two sides of the installing frame offer regulating tank, and the idler wheel is mounted in regulating tank by pedestal, institute
The two sides for stating regulating tank offer sliding slot, and the auxiliary slider is movably arranged in sliding slot, one end of the auxiliary slider and axis
Frame is connected, and the other end of the auxiliary slider is connected by spring with the end of regulating tank.
Preferably, the idler wheel control assembly is distributed in uniform circular, the number of the idler wheel control assembly is three,
The driver slot is strip groove.
Preferably, the driving adjusting bracket further includes connection ring, connecting rod, auxiliary drive frame, the connection ring and drive
Rotating ring, the axis for installing bar body coincide, and the installation bar body runs through connection ring, and the internal diameter of the connection ring is greater than installation
The outer diameter of bar body is connected between the connection ring and drive ring by several connecting rods, and the periphery of the connection ring is uniform
Several auxiliary drive framves are installed, the auxiliary drive frame is connected with flexible drive frame.
Preferably, the flexible drive frame includes sleeve, telescopic rod and connection frame, one end of the telescopic rod passes through company
It connects frame to be connected with driving adjusting bracket, the other end of the telescopic rod is mounted in sleeve by spring, the sleeve, telescopic rod
Axis is parallel with the installation axis of bar body.
Beneficial effects of the present invention: the present invention is by adding welded still pipe through processes such as finishing procedure, the annealing of high frequency weld seam
Work obtains the steel pipe of seamless process, and simple process is energy-saving, at low cost easy to operate, and operating rate is high, uniform wall thickness, welded tube
The standard requirements that can reach seamless pipe with chemical component aspect pass through driving adjusting bracket and bullet in the process of detection weld seam
Property bogie can drive idler wheel that can synchronize the inner wall for being adjacent to steel pipe, guarantee that flaw detection camera is always positioned in seamless steel pipe
The heart be damaged camera will not, will not scratch the inner wall of steel pipe, and the distance of inner wall of the camera apart from seamless steel pipe everywhere
It is equal, good imaging quality.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of schematic view of the front view of steel tube seamless treatment process first embodiment of the present invention；
Fig. 2 is a kind of right side structural representation of steel tube seamless treatment process of the present invention；
Fig. 3 is a kind of structure chart of the idler wheel control assembly of steel tube seamless treatment process of the present invention；
Fig. 4 is a kind of left view schematic diagram of the driving adjusting bracket of steel tube seamless treatment process of the present invention；
Fig. 5 is a kind of schematic top plan view of the flexible drive frame of steel tube seamless treatment process of the present invention；
Fig. 6 is a kind of schematic view of the front view of steel tube seamless treatment process second embodiment of the present invention.
[specific embodiment]
Refering to fig. 1 to a kind of steel tube seamless treatment process of Fig. 6 present invention, it is characterised in that include the following steps:
The pretreatment of a plate: after carrying out full plate ultrasound examination to plate, the two edges of qualified plate carry out two-sided milling,
It is wide to reach preset plate, edges of boards pre-bending is then carried out using prebending machine, reaches predetermined curvature；
B forming processes: the edges of boards after pre-bending are rolled through multiple tracks roll, form round pipe, by the pressure for debugging roll
Amount, so that the width range of void is in 1-3mm in rate-determining steps c；
C molding welding: round pipe is obtained into seamed welded pipe through high-frequency buckling welding fabrication；
D finishing procedure: the inside and outside wall weld redundance crator of seamed welded pipe is removed；
The annealing of e high frequency weld seam: annealing temperature is 1050 DEG C, and annealing time is 45 minutes；
F weld seam detection: whether removed completely using failure detector detection steel duct crator；
G rolling: the steel pipe after will test qualification carries out rolling and reaches preset diameter；
H cleaning: carrying out oil removing for the steel pipe after rolling, then carry out ultrasonic cleaning, and it is clear that calico detection is played after cleaning
Whether thoroughly；
I is cut surely and finished product detection: steel pipe being carried out Length-fixing cutting using pipe cutting machine, repairs end face, in steel pipe in inner-wall spraying
Then wearing layer carries out hydraulic pressure test, pipe end and tube body flaw detection, surface polishing treatment or sandblasting, coding to the steel pipe after Pipe Cutting,
It is packaged to be finished product seamless steel tube.
Failure detector in the step f weld seam detection includes installation bar body 1, support connecting base 2, idler wheel control assembly
3, carrying out flaw detection probe 4, driving adjusting bracket 5 and flexible drive frame 6, the installation bar body 1, which is equipped with, adjusts sleeve 11, described
Support connecting base 2 is mounted in installation bar body 1, and the carrying out flaw detection probe 4 is fixed on the end of installation bar body 1, described
The periphery for installing bar body 1 is equipped with several idler wheel control assemblies 3, and one end of the idler wheel control assembly 3 is equipped with idler wheel 34, institute
The other end for stating idler wheel control assembly 3 is equipped with the first hinged seat 312, and first hinged seat 312 is mounted on support connecting base 2
On periphery, the idler wheel control assembly 3 is equipped with bogie 32, offers driver slot 321, the driving on the bogie 32
Adjusting bracket 5 is equipped with drive ring 51, and the drive ring 51 runs through driver slot 321, and the driving adjusting bracket 5 passes through flexible drive frame
6 are movably arranged on support connecting base 2.The idler wheel control assembly 3 further includes support frame 31, installing frame 33 and auxiliary slider
35, one end of support frame as described above 31 is mounted on support connecting base 2 by the first hinged seat 312, support frame as described above 31 it is another
End is connected with installing frame 33, and the installing frame 33 is U-shaped frame, and the two sides of the installing frame 33 offer regulating tank 331,
The idler wheel 34 is mounted in regulating tank 331 by pedestal 341, and the two sides of the regulating tank 331 offer sliding slot 332, described
Auxiliary slider 35 is movably arranged in sliding slot 332, and one end of the auxiliary slider 35 is connected with pedestal 341, the auxiliary slider
35 other end is connected by spring with the end of regulating tank 331.The idler wheel control assembly 3 is distributed in uniform circular, described
The number of idler wheel control assembly 3 is three, and the driver slot 321 is strip groove.The driving adjusting bracket 5 further includes connection ring
52, connecting rod 53, auxiliary drive frame 54, the connection ring 52 and the axis of drive ring 51, installation bar body 1 coincide, described
Bar body 1 is installed and runs through connection ring 52, the internal diameter of the connection ring 52 is greater than the outer diameter of installation bar body 1, the connection ring 52
It is connected between drive ring 51 by several connecting rods 53, the periphery of the connection ring 52 is uniformly equipped with several auxiliary and drives
Moving frame 54, the auxiliary drive frame 54 are connected with flexible drive frame 6.The flexible drive frame 6 includes sleeve 61,62 and of telescopic rod
One end of connection frame 63, the telescopic rod 62 is connected by connection frame 63 with driving adjusting bracket 5, the other end of the telescopic rod 62
It is mounted in sleeve 61 by spring, the sleeve 61, the axis of telescopic rod 62 are parallel with the installation axis of bar body 1.
The course of work of the present invention:
The working principle of failure detector in a kind of steel tube seamless treatment process of the present invention are as follows: will visit in the process of work
Hurt device to be put into inside steel pipe 10, idler wheel has the function of guiding, driving lower edge of the driving adjusting bracket 5 in flexible drive frame 6
Driver slot 321 be moved to the left, control the end radial dilatation of support frame 31, driving drive ring 51 in a ring can guarantee
The synchronism of three idler wheels, and then guarantee the alignment of carrying out flaw detection probe and steel pipe 10, i.e. driving idler wheel can be close to steel pipe
Side wall, while idler wheel being connected with auxiliary slider 35, there is buffer function, avoid idler wheel from scratching the side wall of steel pipe, furthermore
Can by installing two groups of support connecting bases 2 in installation bar body 1, idler wheel control assembly 3 drive the structure such as the of adjusting bracket 5
Shown in two embodiments, supports installation bar body 1 more stable, keep operation more simple.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (5)
1. a kind of steel tube seamless treatment process, it is characterised in that include the following steps:
The pretreatment of a plate: after carrying out full plate ultrasound examination to plate, the two edges of qualified plate carry out two-sided milling, reach
Preset plate is wide, then carries out edges of boards pre-bending using prebending machine, reaches predetermined curvature；
B forming processes: the edges of boards after pre-bending are rolled through multiple tracks roll, form round pipe；
C molding welding: round pipe is obtained into seamed welded pipe through high-frequency buckling welding fabrication；
D finishing procedure: the inside and outside wall weld redundance crator of seamed welded pipe is removed；
The annealing of e high frequency weld seam: annealing temperature is 1050 DEG C, and annealing time is 45 minutes；
F weld seam detection: whether removed completely using failure detector detection steel duct crator；The failure detector includes mounting rod
Ontology (1), support connecting base (2), idler wheel control assembly (3), carrying out flaw detection probe (4), driving adjusting bracket (5) and flexible drive
Frame (6), the installation bar body (1), which is equipped with, adjusts sleeve (11), and the support connecting base (2) is mounted on installation bar body
(1) on, the carrying out flaw detection probe (4) is fixed on the end of installation bar body (1), and the periphery of installation bar body (1) is set
There are several idler wheel control assemblies (3), one end of the idler wheel control assembly (3) is equipped with idler wheel (34), the idler wheel control group
The other end of part (3) is equipped with the first hinged seat (312), and first hinged seat (312) is mounted on the periphery of support connecting base (2)
On, the idler wheel control assembly (3) is equipped with bogie (32), offers driver slot (321) on the bogie (32), described
Adjusting bracket (5) are driven to be equipped with drive ring (51), the drive ring (51) runs through driver slot (321), the driving adjusting bracket (5)
It is movably arranged on support connecting base (2) by flexible drive frame (6)；
G rolling: the steel pipe after will test qualification carries out rolling and reaches preset diameter；
H cleaning: carrying out oil removing for the steel pipe after rolling, then carry out ultrasonic cleaning, and calico detection is played after cleaning；
I is cut surely and finished product detection: using pipe cutting machine by steel pipe carry out Length-fixing cutting, repair end face, then to the steel pipe after Pipe Cutting into
Row hydraulic pressure test, pipe end and tube body flaw detection, surface polishing treatment or sandblasting, coding, are packaged to be finished product seamless steel tube.
2. a kind of steel tube seamless treatment process as described in claim 1, it is characterised in that: pass through in step b forming processes
The drafts for debugging roll, so that the width range of void is in 1-3mm in rate-determining steps c.
3. a kind of steel tube seamless treatment process as described in claim 1, it is characterised in that: the step i is cut surely and finished product
In detection, the steel pipe after cutting surely is in inner wall spraying abrasion-proof layer.
4. a kind of steel tube seamless treatment process as described in claim 1, it is characterised in that: the idler wheel control assembly (3)
It further include support frame (31), installing frame (33) and auxiliary slider (35), one end of support frame as described above (31) passes through the first hinged seat
(312) it is mounted on support connecting base (2), the other end of support frame as described above (31) is connected with installing frame (33), the installing frame
It (33) is U-shaped frame, the two sides of the installing frame (33) offer regulating tank (331), and the idler wheel (34) passes through pedestal
(341) it is mounted in regulating tank (331), the two sides of the regulating tank (331) offer sliding slot (332), the auxiliary slider
(35) it is movably arranged in sliding slot (332), one end of the auxiliary slider (35) is connected with pedestal (341), the auxiliary slider
(35) the other end is connected by spring with the end of regulating tank (331), and the idler wheel control assembly (3) is in uniform circular point
Cloth, the number of the idler wheel control assembly (3) are three, and the driver slot (321) is strip groove.
5. a kind of steel tube seamless treatment process as described in claim 1, it is characterised in that: the driving adjusting bracket (5) is also
Including connection ring (52), connecting rod (53), auxiliary drive frame (54), the connection ring (52) and drive ring (51), mounting rod sheet
The axis of body (1) coincides, and the installation bar body (1) runs through connection ring (52), and the internal diameter of the connection ring (52) is greater than peace
The outer diameter for filling bar body (1) is connected between the connection ring (52) and drive ring (51) by several connecting rods (53), described
The periphery of connection ring (52) is uniformly equipped with several auxiliary drive framves (54), the auxiliary drive frame (54) and flexible drive frame
(6) it is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711085233.6A CN107838221B (en) | 2017-11-07 | 2017-11-07 | A kind of steel tube seamless treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711085233.6A CN107838221B (en) | 2017-11-07 | 2017-11-07 | A kind of steel tube seamless treatment process |
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| Publication Number | Publication Date |
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| CN107838221A CN107838221A (en) | 2018-03-27 |
| CN107838221B true CN107838221B (en) | 2019-05-21 |
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| CN201711085233.6A Active CN107838221B (en) | 2017-11-07 | 2017-11-07 | A kind of steel tube seamless treatment process |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110040218A (en) * | 2019-04-30 | 2019-07-23 | 上海海事大学 | Boom type body section weld seam detection vehicle |
| CN113714321B (en) * | 2021-07-28 | 2022-10-25 | 西安交通大学 | Refractory and rare noble metal pipe and preparation method thereof |
| CN115351519B (en) * | 2022-10-20 | 2023-08-22 | 江苏银环精密钢管有限公司 | Preparation method of inner cylinder for heat exchange unit of high-temperature gas cooled reactor evaporator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3705458A (en) * | 1969-05-22 | 1972-12-12 | Nelson D Abbey Jr | Method for testing welded seam pipes in a tube mill |
| JPS62156018A (en) * | 1985-12-27 | 1987-07-11 | Nippon Steel Corp | Method preventing seam twist of resistance welded tube |
| CN101130197A (en) * | 2006-09-26 | 2008-02-27 | 李永立 | Cold drawing, cold rolling production method for high-accuracy weldless steel tube |
| CN102274870A (en) * | 2010-06-08 | 2011-12-14 | 黄武军 | Production process for stainless steel pierced billet |
| CN103506821A (en) * | 2012-06-28 | 2014-01-15 | 浙江兆隆合金股份有限公司 | Production method of low-stress copper steel compound welded pipe |
| CN104646932A (en) * | 2013-11-16 | 2015-05-27 | 无锡大金高精度冷拔钢管有限公司 | Manufacturing method for high-precision cold-drawing welded pipe |
| CN106670743B (en) * | 2016-12-14 | 2019-06-11 | 安徽楚江特钢有限公司 | A kind of manufacturing method of precision gas spring straight seam welded pipe |
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