CN107838221A - A kind of steel tube seamless handling process - Google Patents
A kind of steel tube seamless handling process Download PDFInfo
- Publication number
- CN107838221A CN107838221A CN201711085233.6A CN201711085233A CN107838221A CN 107838221 A CN107838221 A CN 107838221A CN 201711085233 A CN201711085233 A CN 201711085233A CN 107838221 A CN107838221 A CN 107838221A
- Authority
- CN
- China
- Prior art keywords
- pipe
- steel
- steel tube
- steel pipe
- handling process
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
Abstract
The present invention proposes a kind of steel tube seamless handling process, comprises the following steps：Two-sided milling is carried out to the two edges of on-gauge plate material, it is wide to reach default plate, then carries out edges of boards pre-bending using prebending machine, reaches preset curvature；Edges of boards after pre-bending roll through multiple tracks roll, form circular pipe；Circular 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 totally using failure detector detection steel duct crator after the annealing of high frequency weld seam；By detect it is qualified after steel pipe carry out rolling and reach default diameter；Deoil and steel pipe is carried out by Length-fixing cutting using pipe cutting machine after cleaning, repair end face, in steel pipe in inwall spraying abrasion-proof layer, then the steel pipe after Pipe Cutting detected, be packaged to be finished product, technique is simple, energy-saving, cost is low simple to operate, and operating rate is high, the standard requirement of seamless pipe can be reached in terms of uniform wall thickness, welded tube performance and chemical composition.
Description
【Technical field】
The present invention relates to and a kind of production technical field of seamless steel pipe, particularly a kind of steel tube seamless handling process.
【Background technology】
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 include surface treatment, cut, feel relieved, adding
Heat, perforation etc. anterior process, and tube rolling, expansion, sizing, cooling, detect a flaw, suppress the rear portions such as inspections, packaging and storage handle work
Sequence.Due to being to use hot-rolling perforation machine, pipe is in deformation process of perforating, and stress is complicated, and Deformational Environment is severe, and cold rolling, cold
Pull out production technology：It is main to include the anterior processes such as surface treatment, cutting, centering, heating, perforation, and tup, pickling, phosphatization
With the rear portion such as saponification, cold rolling or cold-drawn, annealing, cutting head cutting tail, inspection, flaw detection, packaging and storage treatment process.Except above-mentioned heat being present
Outside all shortcomings of roll process, due to production passage increase, lumber recovery is caused.Mainly include：By the trimming of raw material strip, pipe into
Type, welding, remove welding burr, heating, on stretch-reducing mill tube reducing, cooling, detect a flaw, suppress the works such as inspection, packaging and storage
Sequence.Its shortcoming is：Do not add the extruding of inner core by tube rolling, roll, roll real weld seam, it is impossible to make weld seam consistent with maternal tissue,
Weld strength is low.Weld seam vestige can not be eliminated, moreover it is possible to see weld seam, it is proposed that a kind of steel tube seamless handling process.
【The content of the invention】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of steel tube seamless handling process, with solution
Certainly production cost existing for prior art is high, the problem of can not eliminating weld seam vestige and low weld strength, while using flaw detection dress
The inwall weld of detection steel pipe is put, flaw detection camera is always positioned at the center of seamless steel pipe, and camera is apart from seamless steel pipe
The distance of inwall everywhere is equal, good imaging quality, ensures the quality of product.
To achieve the above object, the present invention proposes a kind of steel tube seamless handling process, it is characterised in that including as follows
Step：
A sheet materials pre-process：After carrying out full plate ultrasound examination to sheet material, the two edges of qualified sheet material carry out two-sided milling,
It is wide to reach default plate, edges of boards pre-bending is then carried out using prebending machine, reaches preset curvature；
B forming processes：Edges of boards after pre-bending roll through multiple tracks roll, form circular pipe；
C shaping welding：Circular pipe is obtained into seamed welded pipe through high-frequency buckling welding fabrication；
D finishing procedures：Remove the inside and outside wall weld redundance crator of seamed welded pipe；
E high frequencies weld seam is annealed：Annealing temperature is 1050 DEG C, and annealing time is 45 minutes；
F weld seam detections：Whether removed totally using failure detector detection steel duct crator；
G is rolled：By detect it is qualified after steel pipe carry out rolling and reach default diameter；
H is cleaned：Steel pipe after rolling is subjected to oil removing, then carries out ultrasonic wave cleaning, calico detection is played after cleaning；
I is cut surely and finished product detection：Steel pipe is carried out by Length-fixing cutting using pipe cutting machine, repaiies end face, then to the steel after Pipe Cutting
Pipe carries out hydraulic pressure test, pipe end and body flaw detection, surface polishing or sandblasting, coding, is packaged to be finished product seamless steel tube.
Preferably, control the width of void by debugging the drafts of compression roller in the step b forming processes
Scope is in 1-3mm.
Preferably, the step i is cut and in finished product detection, the steel pipe after cutting surely is in inwall spraying abrasion-proof layer surely.
Preferably, the failure detector in the f weld seam detections includes installation bar body, support connecting base, roller control
Component, carrying out flaw detection probe, driving adjusting bracket and flexible drive frame, the installation bar body are provided with regulating sleeve, the branch
Support connecting seat to be arranged in installation bar body, the carrying out flaw detection probe is fixed on the end of installation bar body, the mounting rod
The periphery of body is provided with several roller control assemblies, and one end of the roller control assembly is provided with roller, the roller control
The other end of component is provided with the first hinged seat, and first hinged seat is arranged on the periphery of support connecting base, the roller control
Component processed is provided with bogie, and driver slot is offered on the bogie, and the driving adjusting bracket is provided with drive ring, the drive
Rotating ring runs through driver slot, and the driving adjusting bracket is movably arranged on support connecting base by flexible drive frame.
Preferably, the roller control assembly also includes support frame, installing frame and auxiliary slider, the one of support frame as described above
End is arranged 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 framework, the both sides of the installing frame offer regulating tank, and the roller is arranged in regulating tank by pedestal, institute
The both sides for stating regulating tank offer chute, and the auxiliary slider is movably arranged in chute, one end of the auxiliary slider and axle
Frame is connected, and the other end of the auxiliary slider is connected by spring with the end of regulating tank.
Preferably, the roller control assembly is distributed in uniform circular, the number of the roller control assembly is three,
The driver slot is bar-shaped trough.
Preferably, the driving adjusting bracket also includes connection ring, connecting rod, process auxiliary drive frame, the connection ring is with driving
Rotating ring, the axis of installation bar body coincide, and the installation bar body runs through connection ring, and the interior electrical path length of the connection ring is more than
The outer diameter length of bar body is installed, is connected between the connection ring and drive ring by several connecting rods, the connection ring
Periphery is uniformly provided with several process auxiliary drive framves, and the process auxiliary drive frame is connected with flexible drive frame.
Preferably, the flexible drive frame includes sleeve, expansion link and link, one end of the expansion link passes through company
Connect frame with driving adjusting bracket to be connected, the other end of the expansion link is arranged in sleeve by spring, the sleeve, expansion link
Axis is parallel with the axis for installing bar body.
Beneficial effects of the present invention：The present invention is by the way that welded still pipe is added through processes such as finishing procedure, the annealing of high frequency weld seam
Work obtains the steel pipe of seamless process, and technique is simple, energy-saving, and cost is low simple to operate, and operating rate is high, uniform wall thickness, welded tube
It can reach the standard requirement of seamless pipe with chemical composition aspect, the process of weld seam detected, by driving adjusting bracket and bullet
Property bogie roller can be driven synchronously to be adjacent to the inwall of steel pipe, ensure that flaw detection camera is always positioned in seamless steel pipe
The heart, camera is not damaged, will not scratch steel pipe inwall, and camera is apart from the inwall distance everywhere of seamless steel pipe
It is equal, good imaging quality.
The feature and advantage of the present invention will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of main structure diagram of steel tube seamless handling process first embodiment of the present invention；
Fig. 2 is a kind of right side structural representation of steel tube seamless handling process of the present invention；
Fig. 3 is a kind of structure chart of the roller control assembly of steel tube seamless handling process of the present invention；
Fig. 4 is a kind of left view schematic diagram of the driving adjusting bracket of steel tube seamless handling process of the present invention；
Fig. 5 is a kind of schematic top plan view of the flexible drive frame of steel tube seamless handling process of the present invention；
Fig. 6 is a kind of main structure diagram of steel tube seamless handling process second embodiment of the present invention.
【Embodiment】
Refering to a kind of steel tube seamless handling process of Fig. 1 to Fig. 6 present invention, it is characterised in that comprise the following steps：
A sheet materials pre-process：After carrying out full plate ultrasound examination to sheet material, the two edges of qualified sheet material carry out two-sided milling,
It is wide to reach default plate, edges of boards pre-bending is then carried out using prebending machine, reaches preset curvature；
B forming processes：Edges of boards after pre-bending roll through multiple tracks roll, circular pipe are formed, by the pressure for debugging compression roller
Lower amount, the width range of void is controlled in 1-3mm；
C shaping welding：Circular pipe is obtained into seamed welded pipe through high-frequency buckling welding fabrication；
D finishing procedures：Remove the inside and outside wall weld redundance crator of seamed welded pipe；
E high frequencies weld seam is annealed：Annealing temperature is 1050 DEG C, and annealing time is 45 minutes；
F weld seam detections：Whether removed totally using failure detector detection steel duct crator；
G is rolled：By detect it is qualified after steel pipe carry out rolling and reach default diameter；
H is cleaned：Steel pipe after rolling is subjected to oil removing, then carries out ultrasonic wave cleaning, it is clear that calico detection is played after cleaning
It is whether thorough；
I is cut surely and finished product detection：Steel pipe is carried out by Length-fixing cutting using pipe cutting machine, repaiies end face, in steel pipe in inner-wall spraying
Wearing layer, hydraulic pressure test, pipe end and body flaw detection, surface polishing or sandblasting, coding are then carried out 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 detections includes installation bar body 1, support connecting base 2, roller control assembly
3rd, carrying out flaw detection probe 4, driving adjusting bracket 5 and flexible drive frame 6, the installation bar body 1 is provided with regulating sleeve 11, described
Support connecting base 2 is arranged 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 of installation bar body 1 is provided with several roller control assemblies 3, and one end of the roller control assembly 3 is provided with roller 34, institute
The other end for stating roller control assembly 3 is provided with the first hinged seat 312, and first hinged seat 312 is arranged on support connecting base 2
On periphery, the roller control assembly 3 is provided with bogie 32, and driver slot 321, the driving are offered on the bogie 32
Adjusting bracket 5 is provided 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 roller control assembly 3 also includes support frame 31, installing frame 33 and auxiliary slider
35, one end of support frame as described above 31 is arranged 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 framework, and the both sides of the installing frame 33 offer regulating tank 331,
The roller 34 is arranged in regulating tank 331 by pedestal 341, and the both sides of the regulating tank 331 offer chute 332, described
Auxiliary slider 35 is movably arranged in chute 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 roller control assembly 3 is distributed in uniform circular, described
The number of roller control assembly 3 is three, and the driver slot 321 is bar-shaped trough.The driving adjusting bracket 5 also includes connection ring
52nd, connecting rod 52, process auxiliary drive frame 54, the connection ring 52 and the axis of drive ring 51, installation bar body 1 coincide, described
Installation bar body 1 runs through connection ring 52, and the interior electrical path length of the connection ring 52 is more than the outer diameter length of installation bar body 1, described
It is connected between connection ring 52 and drive ring 51 by several connecting rods 52, the periphery of the connection ring 52 is uniformly provided with some
Individual process auxiliary drive frame 54, the process auxiliary drive frame 54 are connected with flexible drive frame 6.The flexible drive frame 6 includes sleeve 61, stretched
Contracting bar 62 and link 63, one end of the expansion link 62 are connected by link 63 with driving adjusting bracket 5, the expansion link 62
The other end by spring be arranged on sleeve 61 in, the sleeve 61, expansion link 62 axis with installation bar body 1 axis phase
It is parallel.
The course of work of the present invention：
The operation principle of failure detector is in a kind of steel tube seamless handling process of the present invention：It will be visited during work
Hinder device to be put into inside steel pipe 10, roller has the function that to be oriented to, driving lower edge of the driving adjusting bracket 5 in flexible drive frame 6
Driver slot 321 to be moved to the left, control the end radial dilatation of support frame 31, driving drive ring 51 in a ring, can ensure
The synchronism of three rollers, and then ensure the alignment of carrying out flaw detection probe and steel pipe 10, that is, drive roller to be close to steel pipe
Side wall, while roller is connected with auxiliary slider 35, there is cushioning effect, avoid roller from scratching the side wall of steel pipe, in addition
Can by installing two groups of support connecting bases 2 in installation bar body 1, roller control assembly 3 drive the structure such as the of adjusting bracket 5
Shown in two embodiments, support installation bar body 1 more stable, make operation more simple.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme belong to protection scope of the present invention.
Claims (6)
1. a kind of steel tube seamless handling process, it is characterised in that comprise the following steps：
A sheet materials pre-process：After carrying out full plate ultrasound examination to sheet material, the two edges of qualified sheet material carry out two-sided milling, reach
Default plate is wide, then carries out edges of boards pre-bending using prebending machine, reaches preset curvature；
B forming processes：Edges of boards after pre-bending roll through multiple tracks roll, form circular pipe；
C shaping welding：Circular pipe is obtained into seamed welded pipe through high-frequency buckling welding fabrication；
D finishing procedures：Remove the inside and outside wall weld redundance crator of seamed welded pipe；
E high frequencies weld seam is annealed：Annealing temperature is 1050 DEG C, and annealing time is 45 minutes；
F weld seam detections：Whether removed totally using failure detector detection steel duct crator；
G is rolled：By detect it is qualified after steel pipe carry out rolling and reach default diameter；
H is cleaned：Steel pipe after rolling is subjected to oil removing, then carries out ultrasonic wave cleaning, calico detection is played after cleaning；
I is cut surely and finished product detection：Steel pipe is carried out by Length-fixing cutting using pipe cutting machine, repaiies end face, then the steel pipe after Pipe Cutting is entered
Row hydraulic pressure test, pipe end and body flaw detection, surface polishing or sandblasting, coding, are packaged to be finished product seamless steel tube.
A kind of 2. steel tube seamless handling process as claimed in claim 1, it is characterised in that：In the step b forming processes
By debugging the drafts of compression roller, the width range of void is controlled in 1-3mm.
A kind of 3. steel tube seamless handling process as claimed 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 inwall spraying abrasion-proof layer.
A kind of 4. steel tube seamless handling process as claimed in claim 1, it is characterised in that：In the step f weld seam detections
Failure detector include installation bar body (1), support connecting base (2), roller control assembly (3), carrying out flaw detection probe (4), drive
Dynamic adjusting bracket (5) and flexible drive frame (6), the installation bar body (1) are provided with regulating sleeve (11), the support connecting base
(2) it is arranged in installation bar body (1), the carrying out flaw detection probe (4) is fixed on the end of installation bar body (1), the peace
The periphery of dress bar body (1) is provided with several roller control assemblies (3), and one end of the roller control assembly (3) is provided with roller
(34), the other end of the roller control assembly (3) is provided with the first hinged seat (312), and first hinged seat (312) is arranged on
On the periphery of support connecting base (2), the roller control assembly (3) is provided with bogie (32), is opened on the bogie (32)
Provided with driver slot (321), the driving adjusting bracket (5) is provided with drive ring (51), and the drive ring (51) runs through driver slot
(321), the driving adjusting bracket (5) is movably arranged on support connecting base (2) by flexible drive frame (6).
A kind of 5. steel tube seamless handling process as claimed in claim 4, it is characterised in that：The roller control assembly (3)
Also 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 arranged on support connecting base (2), the other end of support frame as described above (31) is connected with installing frame (33), the installing frame
(33) it is U-shaped framework, the both sides of the installing frame (33) offer regulating tank (331), and the roller (34) passes through pedestal
(341) it is arranged in regulating tank (331), the both sides of the regulating tank (331) offer chute (332), the auxiliary slider
(35) it is movably arranged in chute (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 roller control assembly (3) is in uniform circular point
Cloth, the number of the roller control assembly (3) is three, and the driver slot (321) is bar-shaped trough.
A kind of 6. steel tube seamless handling process as claimed in claim 4, it is characterised in that：The driving adjusting bracket (5) is also
Including connection ring (52), connecting rod (52), process 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 interior electrical path length of the connection ring (52) is big
In the outer diameter length of installation bar body (1), pass through several connecting rods (52) between the connection ring (52) and drive ring (51)
Be connected, the periphery of the connection ring (52) is uniformly provided with several process auxiliary drive framves (54), the process auxiliary drive frame (54) with
Flexible drive frame (6) 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107838221A true CN107838221A (en) | 2018-03-27 |
| CN107838221B CN107838221B (en) | 2019-05-21 |
Family
ID=61681752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711085233.6A Active CN107838221B (en) | 2017-11-07 | 2017-11-07 | A kind of steel tube seamless treatment process |
Country Status (1)
| Country | Link |
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| CN (1) | CN107838221B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110040218A (en) * | 2019-04-30 | 2019-07-23 | 上海海事大学 | Boom type body section weld seam detection vehicle |
| CN113714321A (en) * | 2021-07-28 | 2021-11-30 | 西安交通大学 | Refractory and rare noble metal pipe and preparation method thereof |
| CN115351519A (en) * | 2022-10-20 | 2022-11-18 | 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 |
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| JPS62156018A (en) * | 1985-12-27 | 1987-07-11 | Nippon Steel Corp | Method preventing seam twist of resistance welded tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110040218A (en) * | 2019-04-30 | 2019-07-23 | 上海海事大学 | Boom type body section weld seam detection vehicle |
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| CN115351519A (en) * | 2022-10-20 | 2022-11-18 | 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107838221B (en) | 2019-05-21 |
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