CN107413895A - A kind of angle straightening device and process - Google Patents
A kind of angle straightening device and process Download PDFInfo
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- CN107413895A CN107413895A CN201710643644.6A CN201710643644A CN107413895A CN 107413895 A CN107413895 A CN 107413895A CN 201710643644 A CN201710643644 A CN 201710643644A CN 107413895 A CN107413895 A CN 107413895A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
- B21D3/05—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes rectangular to the path of the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The present invention relates to hot-rolled angle steel equipment for straightening technical field, more particularly to a kind of angle straightening device and process.The angle straightening device, including cold leveling installation and thermal straightening machine, thermal straightening machine include base, thermal straightening case and inlet of rolling mill end targeting port；Base includes roller-way installation square chest, mounting bracket and casing slide support, casing slide branch and sets up Level tune part and height regulating mechanism；Thermal straightening case includes casing main body, upper roll stand, upper straightening roll and lower smoothing roll；Upper roller sets up roll stand support bar spring adjustment mechanism, and casing main body sets and sets cooling water inlet in rotary shaft, casing main body and upper roll stand；Lower smoothing roll sets adjustment plate.This angle straightening device and process, using the process of the thermal straightening device once strong secondary cold leveling of natural cooling cold leveling device of heat, it is simple with technique, angle steel head-bent incidence is reduced, the advantages of improving angle straightening efficiency, quality and angle steel lumber recovery index.
Description
(1) technical field
The present invention relates to hot-rolled angle steel equipment for straightening technical field, more particularly to a kind of angle straightening device and technique side
Method.
(2) background technology
When domestic iron and steel enterprises produce angle steel, the process aligned using multi-roll straightening machine diagonal steel, by
The reasons such as improper, material molded dimension control accuracy is not high are adjusted in milling train and guide and guards, finished product angle steel is when shutting out, angle steel head
Easily bend right and left and/or bend up and down, cause follow-up cold leveling power to increase, add the need to straightener higher performance
Ask；In addition bent after finished product angle steel is shut out and easily cause piling of steel potential faults, easily causing its flexibility after cold bed on finished product angle steel enters
One step increases, the problems such as double steel is also easily caused when serious, and straightener has straightening blind area so that can not after angle steel head-bent
It is aligned completely, therefore to ensure that product quality meets standard regulation, angle steel must be bent in follow-up sawing process
Position all amputates, but so processing can cause the reduction of angle steel lumber recovery index.
(3) content of the invention
The present invention is in order to make up the deficiencies in the prior art, there is provided a kind of angle steel scientific and reasonable for structure, convenient and practical is rectified
Straight device and process, using the work of the thermal straightening device once strong-cold bed natural cooling-secondary cold leveling of cold leveling device of heat
Process, have technique simple, reduce angle steel head-bent incidence, improve angle straightening efficiency, quality and angle steel lumber recovery
The advantages of index, solve problems of the prior art.
The present invention is achieved through the following technical solutions：
A kind of angle straightening device, including the cold straightener being connected with cold bed, one is provided between cold bed and outside milling train
Thermal straightening machine, the thermal straightening machine include a base, and a thermal straightening case is provided with base；It is provided with the entrance point of thermal straightening case
Inlet of rolling mill end targeting port；
The base includes roller-way installation square chest, and a mounting bracket is provided with roller-way installation square chest；In mounting bracket
Interior Slideslip sets a casing slide support, and a Level tune part is provided between two relative madial walls of casing slide support,
Casing slide support is provided with the height regulating mechanism for sliding up and down and being connected with mounting bracket；
The thermal straightening case includes a casing main body on casing slide, and upper roll stand is provided with casing main body,
Upper roll stand is provided with two and the perpendicular upper straightening roll of angle steel conveying direction, and two are provided with the casing main body below upper straightening roll
The lower smoothing roll parallel with upper straightening roll；The both ends of upper roll stand are respectively equipped with a roll stand support bar spring being connected with casing and adjusted
Complete machine structure, is respectively equipped with two rotary shafts in the two opposite side walls of casing main body, each rotary shaft through casing main body wall with it is upper
Roll stand lateral wall abuts, and a rotary shaft adjusting nut is provided with the rotary shaft on the outside of casing main body, in the side wall of casing main body
With several cooling water inlets being connected with outside smoothing roll cooling water pipe are respectively equipped with upper roll stand side wall；In lower smoothing roll
One end is provided with an adjustment plate being connected by holding screw.
The roll stand support bar spring adjustment mechanism includes the two relative roll stand support bars for being located at casing main body top, roll stand
Support bar passes the setting of upper roller top of support, and buffer spring is arranged with the roll stand support bar between upper roll stand and casing main body,
Roll stand spring adjusting nut is set on roll stand support bar above upper roll stand.
Two upper straightening rolls and twice smoothing rolls are staggered up and down, form the aligning trigonum of two opposite directions.
The Level tune part includes a horizontal adjustment leading screw, a nut seat is provided with horizontal adjustment leading screw, in nut
Fixed casing slide on seat.
The height regulating mechanism includes the relative height adjusting holes being located on casing slide support two side, is adjusted in height
Adjusting screw is provided with knothole, adjusting screw is connected on mounting bracket two side through height adjusting holes.
Graduated scale is provided with the side wall of casing slide support on the outside of height adjusting holes.
Height regulating mechanism is ± 50mm to the regulated quantity of the upright position of slide, horizontal position of the Level tune part to slide
The regulated quantity put is ± 100mm.
The lower smoothing roll axial distance of adjustment plate regulation on lower smoothing roll, the axially adjustable distance of lower smoothing roll for ±
10mm。
A kind of angle straightening process, comprises the following steps：
S1 adjusts the position of thermal straightening machine so that the center of angle steel rolling line and the inlet of rolling mill end targeting port of thermal straightening case
Axis aligns, the inlet of rolling mill end being then directly transported to the angle steel after rolling on the thermal straightening case of the angle straightening device
At targeting port, now the temperature of angle steel is 950-1100 DEG C, and angle steel enters in thermal straightening case under the drive of outside finisher,
Carry out passive thermal straightening processing；
S2 by step 1 pass through passive thermal straightening processing angle steel be transported to outside cold bed and naturally cool to 80 DEG C with
Under；
Angle steel after being cooled down in step 2 is sent into cold straightener and carries out cold leveling by S3, that is, completes the aligning of angle steel.
Described in step 1 passive thermal straightening processing technique be specially：Angle steel is transported at the targeting port of inlet of rolling mill end
When, open workshop recirculated cooling water so that the water of smoothing roll cooling water pipe is entered in thermal straightening case by cooling water inlet, cooling
Water is directed at upper straightening roll by the hole for water spraying inside thermal straightening case and lower smoothing roll persistently sprays, water pressure of cooling water 0.3-
0.8Mpa, persistently reduce the temperature of upper straightening roll and lower smoothing roll；During angle steel carries out passive thermal straightening processing, according to
The position of angle steel is finely adjusted to the position of the thermal straightening machine so that angle steel can smoothly carry out passive thermal straightening processing.
The beneficial effects of the invention are as follows：Provide a kind of angle straightening device scientific and reasonable for structure, convenient and practical and work
Process, it is right to rolling the situation of lateral bending and left and right lateral bending above and below relief angle steel head in the case where not influenceing finished surface quality
Temperature carries out once passive thermal straightening in 950-1100 DEG C of angle steel, using the small characteristic of high temperature angle steel resistance of deformation, after rolling
Head-bent caused by angle steel carries out preliminary effectively aligning, and equal angle steel is cooled to less than 80 DEG C by cold bed, then passes through cold leveling
Machine carries out active aligning, and such a process can effectively reduce angle steel head piling of steel potential faults caused by bending, improve angle
The state of cold bed on steel, while mitigate the cold leveling pressure of cold straightener；Height regulating mechanism on base is to the vertical of slide
Position is adjusted, and the horizontal adjustment leading screw on base is adjusted to the horizontal level of slide；Two in casing main body can axle
To the upper straightening roll of adjustment, by adjusting rotary shaft, the axial distance of roll stand in fine setting, so as to adjust upper straightening roll axially away from
From；In casing main body two can axially adjustable lower smoothing roll, pass through being connected by holding screw of adjusting that its one end is provided with
Adjustment plate, adjust the axial distance of twice smoothing rolls；Roll stand support bar spring adjustment mechanism, can be to the vertical height of upper straightening roll
It is adjusted, adjusts the deformation quantity of buffer spring, upper straightening roll and lower smoothing roll gap is adjusted.
(4) illustrate
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of center base of the present invention；
Fig. 3 is the broken section structural representation of horizontal adjustment leading screw in Fig. 2；
Fig. 4 is the structural representation of thermal straightening case in the present invention；
Fig. 5 is Fig. 4 left view structural representation.
In figure, 1 casing main body, 2 inlet of rolling mill end targeting ports, 3 roller-ways installation square chest, 4 mounting brackets, 5 adjusting screws, 6
Casing slide support, 7 horizontal adjustment leading screws, 8 nut seats, 9 casing slides, 10 height adjusting holes, 11 graduated scales, roll stand on 12,
13 upper straightening rolls, 14 times smoothing rolls, 15 rotary shafts, 16 rotary shaft adjusting nuts, 17 cooling water inlets, 18 holding screws, 19 adjust
Whole disk, 20 roll stand support bars, 21 buffer springs, 22 roll stand spring adjusting nuts.
(5) embodiment
For the technical characterstic for illustrating this programme can be understood, below by embodiment, and its accompanying drawing is combined, to this hair
It is bright to be described in detail.
As Figure 1-5, the angle straightening device, including the cold straightener being connected with cold bed, in cold bed and outside milling train
Between be provided with a thermal straightening machine, the thermal straightening machine includes a base, and a thermal straightening case is provided with base；In thermal straightening case
Entrance point is provided with inlet of rolling mill end targeting port 2；
The base includes roller-way installation square chest 3, and a mounting bracket 4 is provided with roller-way installation square chest 3；In installation branch
Slideslip sets a casing slide support 6 in frame 4, and a Level tune is provided between two relative madial walls of casing slide support 6
Part, it is provided with casing slide support 6 and slides up and down the height regulating mechanism being connected with mounting bracket 4；
The thermal straightening case includes a casing main body 1 on casing slide 9, and upper roll stand is provided with casing main body 1
12, two upper straightening rolls 13 are provided with upper roll stand 12, twice smoothing rolls are provided with the casing main body 1 below upper straightening roll 13
14；The both ends of upper roll stand 12 are respectively equipped with a roll stand support bar spring adjustment mechanism being connected with casing, the two of casing main body 1
Two rotary shafts 15 are respectively equipped with opposing sidewalls, each rotary shaft 15 abuts through the side wall of casing main body 1 with the upper lateral wall of roll stand 12,
A rotary shaft adjusting nut 16 is provided with the rotary shaft 15 in the outside of casing main body 1, in the side wall and upper roll stand 12 of casing main body 1
Several cooling water inlets 17 being connected with outside smoothing roll cooling water pipe are respectively equipped with side wall；In one end of lower smoothing roll 14
Provided with an adjustment plate 19 being connected by holding screw 18.
The roll stand support bar spring adjustment mechanism includes the two relative roll stand support bars 20 for being located at the top of casing main body 1,
Roll stand support bar 20 passes the setting of the top surface of roll stand 12, is covered on the roll stand support bar 20 between upper roll stand 12 and casing main body 1
Provided with buffer spring 21, roll stand spring adjusting nut 22 is set on the roll stand support bar 20 above upper roll stand 12.
Two upper straightening rolls 13 and twice smoothing rolls are staggered about 14, form the aligning trigonum of two opposite directions.
The Level tune part includes a horizontal adjustment leading screw 7, a nut seat 8 is provided with horizontal adjustment leading screw 7, in spiral shell
Fixed casing slide 9, is provided with dovetail groove on casing slide 9 in female seat 8, and cabinet base abuts with dovetail groove, and by pressing plate
Compress.
The height regulating mechanism includes the relative height adjusting holes 10 being located on the two side of casing slide support 6, in height
Adjusting screw 5 is provided with degree adjustment hole 10, adjusting screw 5 is connected on the two side of mounting bracket 4 through height adjusting holes 10.
Graduated scale 11 is provided with the side wall of the casing slide support 6 in the outside of height adjusting holes 10.
Height regulating mechanism is 25mm to the regulated quantity of the upright position of slide, level of the horizontal adjustment leading screw 7 to slide
The regulated quantity of position is 50mm.
The lower axial distance of smoothing roll 14 of the regulation of adjustment plate 19 on lower smoothing roll 14, the axially adjustable distance of lower smoothing roll 14
For 5mm.
The rotary shaft adjusting nut 16 of the one end of rotary shaft 15 finely tunes the axial distance of upper straightening roll 13, the axial direction of upper straightening roll 13
Adjustment distance is 5mm.
The angle straightening process, comprises the following steps：
S1 adjusts the position of thermal straightening machine so that the center of angle steel rolling line and the inlet of rolling mill end targeting port of thermal straightening case
Axis aligns, the inlet of rolling mill end being then directly transported to the angle steel after rolling on the thermal straightening case of the angle straightening device
At targeting port, now the temperature of angle steel is 1000 DEG C, and angle steel enters in thermal straightening case under the drive of outside finisher, is carried out
Passive thermal straightening processing；
S2 by step 1 pass through passive thermal straightening processing angle steel be transported to outside cold bed and naturally cool to 80 DEG C with
Under；
Angle steel after being cooled down in step 2 is sent into cold straightener and carries out cold leveling by S3, that is, completes the aligning of angle steel.
Described in step 1 passive thermal straightening processing technique be specially：Angle steel is transported at the targeting port of inlet of rolling mill end
When, open workshop recirculated cooling water so that the water of smoothing roll cooling water pipe is entered in thermal straightening case by cooling water inlet, cooling
Water is directed at upper straightening roll by the hole for water spraying inside thermal straightening case and lower smoothing roll persistently sprays, water pressure of cooling water 0.5Mpa,
Persistently reduce the temperature of upper straightening roll and lower smoothing roll；The position of the thermal straightening machine is finely adjusted according to the position of angle steel, made
Passive thermal straightening processing can smoothly be carried out by obtaining angle steel.
Specific operation process is as follows：
S1 angle steel rollings line and the position adjustments of inlet of rolling mill end targeting port 2
The upright position of casing slide 9 is adjusted height regulating mechanism on adjusting base, is specially regulation manually
Adjusting screw 5, pass through the height of the auxiliary adjustment casing slide support 6 of graduated scale 11 of the both sides of height adjusting holes 10, casing slide
Support 6 raises or declined the casing slide 9 for driving and being attached thereto, so as to carry out vertical adjusting to casing slide 9；Regulation is horizontal to adjust
The horizontal level of casing slide 9 is adjusted whole leading screw 7, and the nut seat 8 in horizontal adjustment leading screw 7, which slides, drives casing slide
9 slide, so as to carry out Level tune to casing slide 9；Adjusted by the horizontal level to casing slide 9 and vertical height
Section, determine the position of casing slide 9；
S2 upper straightening rolls 13 and the lower gap adjustment of smoothing roll 14
The vertical height of upper straightening roll 13 is adjusted by the spring adjustment mechanism of roll stand support bar 20, is specially manual
The roll stand spring adjusting nut 22 on roll stand support bar 20 is adjusted, the deformation quantity of buffer spring 21 is adjusted, to the He of upper straightening roll 13
The lower gap of smoothing roll 14 is adjusted；
Smoothing roll 14, the regulation of the axial distance of upper straightening roll 13 under S3
After the axial location of casing slide 9 is fixed, holding screw 18 is unclamped, the adjustment plate 19 adjusted on lower smoothing roll 14 is adjusted
The lower axial distance of smoothing roll 14, then regulation rotate the rotary shaft adjusting nut 16 of the one end of rotary shaft 15, finely tune upper straightening roll 13
Axial distance；So that the central axis of angle steel rolling line and the inlet of rolling mill end targeting port 2 of thermal straightening case aligns, centre deviation
For 1mm；
After the position adjustments of the S4 angle straightening devices is good, angle steel is transported at inlet of rolling mill end targeting port 2, by angle steel
Passive thermal straightening is carried out, now the temperature of angle steel is 1000 DEG C, opens workshop recirculated cooling water so that smoothing roll cooling water pipe
Water is entered in thermal straightening case by cooling water inlet 17, and the water of smoothing roll cooling water pipe in the alignment of cooling water inlet 17 by aligning
Roller 13 and lower smoothing roll 14 persistently spray, water pressure of cooling water 0.5Mpa, prevent upper straightening roll 13 and lower smoothing roll 14 by compared with
The angle steel of high-temperature influences, prevent smoothing roll burst apart, the failure such as bearing locking, improve upper straightening roll 13 and lower smoothing roll
14 service life, angle steel enter belt speed of the belt speed with outside finisher runout table of thermal straightening case；Quilt is carried out in angle steel
During dynamic thermal straightening processing, upper straightening roll 13 that can be to the angle straightening device and the lower interstitial site of smoothing roll 14 are lower to rectify
Straight roller 14, the axial distance of upper straightening roll 13 are finely adjusted；
S5 by step 4 pass through passive thermal straightening processing angle steel be transported to outside cold bed and naturally cool to 80 DEG C with
Under；
Angle steel after being cooled down in step 5 is sent into cold straightener and carries out cold leveling by S6, that is, completes the aligning of angle steel.
The length of angle steel is 100m, is 100s by the thermal straightening case time.
Cooling water is workshop recirculated water.
Described casing slide support is matrix framed plate structure.
By taking the ∠ 140X10 equal leg angles of the Q345B steel grades production of certain experiment as an example, the hot rolling angle through this technique productions
Steel head flexibility is reduced to 2 ‰, because fault rate caused by elbow reduces by 80%, the former aligning of cold leveling process is negative by former 5-6 ‰
Lotus is 400-450A, the use of cold leveling process load after thermal straightening technique is 350-400A, the unqualified length of angle straightening occiput
Degree shortens 1m.
By taking the ∠ 200X20 equal leg angles of the Q345B steel grades production of certain experiment as an example, the hot rolling angle through this technique productions
Steel head flexibility is reduced to 3 ‰, because fault rate caused by elbow is 0, the former aligning load of cold leveling process is by former 5-6 ‰
400-450A, is 400-450A using cold leveling process load after thermal straightening technique, and the unqualified length of angle straightening occiput contracts
Short 0.5m, it is all qualified outside straightening blind area to realize.
Part is not described in detail by the present invention, is the known technology of those skilled in the art of the present technique.Finally illustrate, the above is real
Example is applied to be merely illustrative of the technical solution of the present invention and unrestricted, although having been carried out specifically to the present invention with reference to preferred embodiment
It is bright, it will be understood by those within the art that, technical scheme can be modified or equivalent substitution, and
The objective and scope of technical solution of the present invention are not departed from, it all should cover among scope of the presently claimed invention.
Claims (10)
1. a kind of angle straightening device, including the cold straightener being connected with cold bed, it is characterized in that：Between cold bed and outside milling train
Provided with a thermal straightening machine, the thermal straightening machine includes a base, and a thermal straightening case is provided with base；In the import of thermal straightening case
End is provided with inlet of rolling mill end targeting port；
The base includes roller-way installation square chest, and a mounting bracket is provided with roller-way installation square chest；On the inside of mounting bracket
Slip sets a casing slide support, a Level tune part is provided between two relative madial walls of casing slide support, in casing
Slide support is provided with the height regulating mechanism for sliding up and down and being connected with mounting bracket；
The thermal straightening case includes a casing main body on casing slide, upper roll stand is provided with casing main body, in upper roller
Frame is provided with two and the perpendicular upper straightening roll of angle steel conveying direction, be provided with the casing main body below upper straightening roll two with it is upper
The parallel lower smoothing roll of smoothing roll；The both ends of upper roll stand are respectively equipped with a roll stand support bar spring adjustment machine being connected with casing
Structure, is respectively equipped with two rotary shafts in the two opposite side walls of casing main body, and each rotary shaft passes through casing main body wall and upper roll stand
Lateral wall is abutted, and a rotary shaft adjusting nut is provided with the rotary shaft on the outside of casing main body, in the side wall of casing main body and upper
Several cooling water inlets being connected with outside smoothing roll cooling water pipe are respectively equipped with roll stand side wall；In one end of lower smoothing roll
Provided with an adjustment plate being connected by holding screw.
2. a kind of angle straightening device according to claim 1, it is characterized in that：The roll stand support bar spring adjustment mechanism
Including the two relative roll stand support bars for being located at casing main body top, roll stand support bar passes the setting of upper roller top of support, in upper roll stand
Buffer spring is arranged with roll stand support bar between casing main body, roll stand bullet is set on the roll stand support bar above upper roll stand
Spring adjusting nut.
3. a kind of angle straightening device according to claim 1, it is characterized in that：Above and below two upper straightening rolls and twice smoothing rolls
It is staggered, forms the aligning trigonum of two opposite directions.
4. a kind of angle straightening device according to claim 1, it is characterized in that：The Level tune part includes a horizontal tune
Whole leading screw, a nut seat is provided with horizontal adjustment leading screw, the fixed casing slide on nut seat.
5. a kind of angle straightening device according to claim 1, it is characterized in that：The height regulating mechanism includes relative set
Height adjusting holes on casing slide support two side, are provided with adjusting screw in height adjusting holes, and adjusting screw passes through height
Degree adjustment hole is connected on mounting bracket two side.
6. a kind of angle straightening device according to claim 5, it is characterized in that：Casing slide on the outside of height adjusting holes
The side wall of support is provided with graduated scale.
7. a kind of angle straightening device according to claim 1, it is characterized in that：Vertical position of the height regulating mechanism to slide
The regulated quantity put is ± 50mm, and Level tune part is ± 100mm to the regulated quantity of the horizontal level of slide.
8. a kind of angle straightening device according to claim 1, it is characterized in that：Adjustment plate regulation on lower smoothing roll is lower strong
Straight roller axial distance, the axially adjustable distance of lower smoothing roll is ± 10mm.
9. one kind carries out angle straightening process using the angle straightening device as described in claim 1-8, it is characterized in that, including
Following steps：
S1 adjusts the position of thermal straightening machine so that the central axis of angle steel rolling line and the inlet of rolling mill end targeting port of thermal straightening case
Align, the inlet of rolling mill end being then directly transported to the angle steel after rolling on the thermal straightening case of the angle straightening device is oriented to
At mouthful, now the temperature of angle steel is 950-1100 DEG C, and angle steel enters in thermal straightening case under the drive of outside finisher, is carried out
Passive thermal straightening processing；
The angle steel for passing through passive thermal straightening processing in step 1 is transported to outside cold bed and naturally cools to less than 80 DEG C by S2；
Angle steel after being cooled down in step 2 is sent into cold straightener and carries out cold leveling by S3, that is, completes the aligning of angle steel.
10. a kind of angle straightening process according to claim 9, it is characterized in that：Passive thermal straightening described in step 1
The technique of processing is specially：When angle steel is transported at the targeting port of inlet of rolling mill end, workshop recirculated cooling water is opened so that aligning
The water of roller cooling water pipe is entered in thermal straightening case by cooling water inlet, and cooling water is aligned by the hole for water spraying inside thermal straightening case
Upper straightening roll and lower smoothing roll persistently spray, water pressure of cooling water 0.3-0.8Mpa, persistently reduce upper straightening roll and lower smoothing roll
Temperature；During angle steel carries out passive thermal straightening processing, the position of the thermal straightening machine is carried out according to the position of angle steel
Fine setting so that angle steel can smoothly carry out passive thermal straightening processing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710643644.6A CN107413895B (en) | 2017-07-31 | 2017-07-31 | Angle steel straightening device and process method |
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| CN201710643644.6A CN107413895B (en) | 2017-07-31 | 2017-07-31 | Angle steel straightening device and process method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453116A (en) * | 2020-11-12 | 2021-03-09 | 安阳钢铁股份有限公司 | High-temperature straightening method for channel steel |
| CN113953353A (en) * | 2021-10-28 | 2022-01-21 | Dig自动化工程（武汉）有限公司 | Multi-roller straightening equipment for straightening rib profile of ship body |
| CN114367557A (en) * | 2021-12-26 | 2022-04-19 | 江苏唐基建材科技集团有限公司 | Shaped steel aligning production cleaning device convenient to adjust aligning scope |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2656041Y (en) * | 2003-11-03 | 2004-11-17 | 佛山市顺德区冠邦科技有限公司 | Three dimension multislant roller round material straightening machine |
| US20080060726A1 (en) * | 2006-09-12 | 2008-03-13 | Panzhihua Iron And Steel (Group) Corporation | Method and apparatus for heat treatment of steel rail |
| CN101413091A (en) * | 2008-11-28 | 2009-04-22 | 江苏大学 | Novel easy-to-cut stainless steel 303B and manufacturing method thereof |
| CN202638978U (en) * | 2011-12-29 | 2013-01-02 | 二重集团（德阳）重型装备股份有限公司 | Variable roller spacing straightener |
| CN204564833U (en) * | 2015-04-20 | 2015-08-19 | 石家庄钢铁有限责任公司 | The online thermal straightening equipment of a kind of steel |
| CN206139674U (en) * | 2016-10-21 | 2017-05-03 | 辽宁佳和机械制造有限公司 | Nine roller deformed steel of large -scale double bracing of multipurpose, section straightener |
| CN106881354A (en) * | 2017-02-22 | 2017-06-23 | 宣化钢铁集团有限责任公司 | A kind of angle steel pre-straightening device |
| CN207043066U (en) * | 2017-07-31 | 2018-02-27 | 石横特钢集团有限公司 | A kind of angle steel rolls rear thermal straightening device |
-
2017
- 2017-07-31 CN CN201710643644.6A patent/CN107413895B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2656041Y (en) * | 2003-11-03 | 2004-11-17 | 佛山市顺德区冠邦科技有限公司 | Three dimension multislant roller round material straightening machine |
| US20080060726A1 (en) * | 2006-09-12 | 2008-03-13 | Panzhihua Iron And Steel (Group) Corporation | Method and apparatus for heat treatment of steel rail |
| CN101413091A (en) * | 2008-11-28 | 2009-04-22 | 江苏大学 | Novel easy-to-cut stainless steel 303B and manufacturing method thereof |
| CN202638978U (en) * | 2011-12-29 | 2013-01-02 | 二重集团（德阳）重型装备股份有限公司 | Variable roller spacing straightener |
| CN204564833U (en) * | 2015-04-20 | 2015-08-19 | 石家庄钢铁有限责任公司 | The online thermal straightening equipment of a kind of steel |
| CN206139674U (en) * | 2016-10-21 | 2017-05-03 | 辽宁佳和机械制造有限公司 | Nine roller deformed steel of large -scale double bracing of multipurpose, section straightener |
| CN106881354A (en) * | 2017-02-22 | 2017-06-23 | 宣化钢铁集团有限责任公司 | A kind of angle steel pre-straightening device |
| CN207043066U (en) * | 2017-07-31 | 2018-02-27 | 石横特钢集团有限公司 | A kind of angle steel rolls rear thermal straightening device |
Non-Patent Citations (1)
| Title |
|---|
| 冯向工;: "连轧中型生产线矫直机改进及工艺优化" * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453116A (en) * | 2020-11-12 | 2021-03-09 | 安阳钢铁股份有限公司 | High-temperature straightening method for channel steel |
| CN113953353A (en) * | 2021-10-28 | 2022-01-21 | Dig自动化工程（武汉）有限公司 | Multi-roller straightening equipment for straightening rib profile of ship body |
| CN114367557A (en) * | 2021-12-26 | 2022-04-19 | 江苏唐基建材科技集团有限公司 | Shaped steel aligning production cleaning device convenient to adjust aligning scope |
| CN114367557B (en) * | 2021-12-26 | 2024-02-02 | 江苏士美机电装备有限公司 | Shaped steel straightening production cleaning equipment convenient to adjust straightening scope |
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