CN109174982A - A kind of corrugated edge cooling technique of the high temperature-proof deformation of member and device - Google Patents
A kind of corrugated edge cooling technique of the high temperature-proof deformation of member and device Download PDFInfo
- Publication number
- CN109174982A CN109174982A CN201811022459.6A CN201811022459A CN109174982A CN 109174982 A CN109174982 A CN 109174982A CN 201811022459 A CN201811022459 A CN 201811022459A CN 109174982 A CN109174982 A CN 109174982A
- Authority
- CN
- China
- Prior art keywords
- edge
- component
- cooling
- temperature
- edge cooling
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2263/00—Shape of product
- B21B2263/04—Flatness
- B21B2263/06—Edge waves
Abstract
The present invention provides a kind of corrugated edge cooling technique of the high temperature-proof deformation of member and device, which includes that carry out edge to the high-temperature component during roll bending formation cooling, to improve the elastic strain limit of component edge.The present invention is by carrying out online edge cooling to hot bending component edge, when effectivelying prevent hot bending while component edge ridging defect, also effectively expands passage and allows bending angle, reduce hot bending shape passage, reduce equipment investment, reduce the production cost of steel per ton.
Description
Technical field
The present invention relates to steel rolling technical fields, more particularly to one kind for effectivelying prevent during roll bending thermoforming
The corrugation of high-temperature component edge deformation and carry out the production technology and device of edge Local cooling.
Background technique
During continuous roll bending formation, metal stretching extends when Member Lip bending, should control elongation in material
Within the scope of elastic limit elongation, otherwise component edge will generate shape wave corrugation in edge since plastic elongation deformation occurs.
The size of elastic limit of material amount of tension is related with its yield stress, and value is equal to the ratio of yield stress and elastic model.?
Under same unit deformation condition, the yield strength such as material itself is higher, then the elastic extension ultimate elongation amount of material is just
It is bigger, so that a possibility that material generates wave corrugation is with regard to smaller.
Clod wash component under opposite room temperature, the component in 400 DEG C of -950 DEG C of temperature ranges is when carrying out hot bending, since it is in the wrong
Taking intensity decline is about 2/3 to the 3/4 of identical material cold conditions lower yield strength, leads to the elastic limit of material elongation under high temperature
It declines to a great extent, the defects of edge corrugation is more readily formed in when hot bending.For the generation for effectivelying prevent edge fault, hot bending need to formulated
When technological design, by reducing bending angle, increase rolling pass to solve the problems, such as this, but this mode has increase equipment investment
With the higher defect of production cost.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of corrugations of high temperature-proof deformation of member
Edge cooling technique and device, be easy to cause when for solving the problems, such as hot bending in the prior art edge deformation corrugation etc..
In order to achieve the above objects and other related objects, first aspect present invention provides a kind of high temperature-proof deformation of member corrugation
Edge cooling technique, comprising: it is cooling that edge carried out to the high-temperature component during roll bending formation, to improve the bullet of component edge
Property strain limit.
Specifically, equipment water jetting cooler is set between racks several before roll bending formation, the height for deforming to roll bending
Warm component edge carries out water-spraying control and effectively prevent edge hot bending to reach to improve the elastic strain limit of component edge
The caused corrugated purpose of edge deformation.
In some embodiments of the invention, high-temperature component is specifically as follows the original after rolling rear waste heat or being reheated
Flitch band is sent to Continuous Heat roll bending unit after centering and carries out roll bending formation processing.
In some embodiments of the invention, the cooling device used when edge is cooling includes being located at high-temperature component side
Equipment water jetting cooler above and below portion, the equipment water jetting cooler include multiple rows of multiple row nozzle.
On space structure composition, cooling device is divided into left and right, inside and outside totally four sets of equipment water jetting coolers, and every covering device is again each
Include multiple rows of multiple row nozzle cooling device.When the specification of high-temperature component changes, cooling device also needs accordingly to adjust
Change, adjustment mode has following two ways: one kind is integral replacing mode, i.e. the cooling equipment of integral replacing；Another is
On-line tuning adaptive mode, i.e., adjustment moving nozzle group makes spray group keep suitable injection away from component edge in the horizontal direction
Distance, in the direction of the width according to the edge size adjusting injector spacing size of component to adapt between upper/lower die and component
Confined space requirement adapts to the requirement of injection intensity to adjust nozzle quantity in due course.
Equipment composition aspect, above-mentioned cooling device is by parts such as nozzle, moving adjusting mechanism, control valve group, water supply pipes
Composition.
In some embodiments of the invention, the control of edge cooling rate is specifically as follows 10 in 10 DEG C/s-100 DEG C/s
DEG C/s, 20 DEG C/s, 30 DEG C/s, 40 DEG C/s, 50 DEG C/s, 60 DEG C/s, 70 DEG C/s, 80 DEG C/s, 90 DEG C/s, 100 DEG C/s etc..According to height
The factors such as warm construction material characteristic, profile angle, rolling pass determine corresponding cooling rate.
In some embodiments of the invention, edge cooling rate is preferably 10 DEG C/s-80 DEG C/s, more preferably 10 DEG C/
S-60 DEG C/s, more preferably 10 DEG C/s-40 DEG C/s, more preferably 10 DEG C/s-30 DEG C/s, more preferably 10 DEG C/s-20 DEG C/s.
In some embodiments of the invention, hot roll bending high-temperature component after molding is specially hot bending channel steel, square tube, circle
The opening and closing section profiled bar product of pipe or other special cross sections.
In some embodiments of the invention, the temperature of high-temperature component is 400 DEG C -950 DEG C, preferably 600 DEG C -850 DEG C.
Second aspect of the present invention provides a kind of corrugated edge cooling device of the high temperature-proof deformation of member, including sequentially connected
Centralising device, thermoforming unit, thermal-squeezing device, traversing rack and welding unit, are equipped between the front end rack of thermoforming unit
Cooling device, for being cooled down to high-temperature component edge.
In some embodiments of the invention, the arrangement of nozzles of equipment water jetting cooler is above and below steel plate edge,
While hot roll bending shaping machine set 2 carries out hot roll bending molding to steel plate, nozzle cools down the edge of steel plate, to improve component
The elastic strain limit of edge, to reach the corrugated purpose of edge caused by effectivelying prevent edge hot bending.
In some embodiments of the invention, the high-temperature component is specially hot bending channel steel, square tube, round tube or other spies
The opening and closing section profiled bar product of different section.
Third aspect present invention provides above-mentioned edge cooling device in hot bending channel steel, square tube, round tube and other special
Application in the hot roll bending production of the opening and closing section profiled bar product of section.
As described above, the corrugated edge cooling technique of a kind of high temperature-proof deformation of member of the invention and device, have following
The utility model has the advantages that the present invention provides one kind to pass through cooling component side for the generation for effectivelying prevent side wave defect in roll bending thermoforming
Portion improves the elastic limit elongation of hot bending component edge, effectively controls its edge elongation and occur over just flexible deformation pole
In range, online edge is cooling, and when effectivelying prevent hot bending, component edge wrinkles by carrying out to hot bending component edge by the present invention
While defect, it can also effectively expand passage and allow bending angle, reduce hot bending shape passage, reduce equipment investment, reduce every
The production cost of ton steel.
Detailed description of the invention
Fig. 1 is shown as the equipment water jetting cooler schematic diagram of the embodiment of the present invention.
Fig. 2 is shown as the injector configuration structural schematic diagram of the embodiment of the present invention.
Piece mark explanation
1-centralising device
2-thermoforming units
3-cooling devices
31-nozzles
4-squeeze unit
5-traversing racks and welding unit
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
It should be clear that in the following example not specifically dated process equipment or device be all made of conventional equipment in the art or
Device；All pressure values and range all refer to absolute pressure.
In addition, it should also be understood that, one or more method and step mentioned in the present invention does not repel before and after the combination step
It can also be inserted into other methods step there may also be other methods step or between these explicitly mentioned steps, unless separately
It is described；It should also be understood that the combination connection relationship between one or more equipment/device mentioned in the present invention is not repelled
The two equipment/devices specifically mentioned before and after the unit equipment/device there may also be other equipment/device or at these it
Between can also be inserted into other equipment/device, unless otherwise indicated.Moreover, unless otherwise indicated, the number of various method steps is only
Identify the convenient tool of various method steps, rather than for the arrangement order of limitation various method steps or limits the enforceable model of the present invention
It encloses, relativeness is altered or modified, and without material changes in technical content, when being also considered as, the present invention is enforceable
Scope.
It is carried out the present invention provides a kind of edge corrugation for effectivelying prevent high-temperature component during Continuous Heat roll bending formation
The production technology and device of Local cooling, the thinking of invention are as follows: high-temperature component is during Continuous Heat roll bending formation, for control
Component edge corrugation in forming process is provided with number set equipment water jetting cooler before roll bending formation, is used between several racks
Water-spraying control is carried out to the positive high-temperature component edge for carrying out roll bending deformation, to improve the elastic strain limit of component edge, thus
Reach the corrugated purpose of edge caused by effectivelying prevent edge hot bending.
Hot roll bending moulding process can refer to application No. is 201810230359.6 application for a patent for invention " a kind of hot plate/
The online roll-in thermoforming process of band and its application " carries out, particular by the multipair deforming press roll with hole slot to hot steel plate
Or strip continuous modification, steel plate is gradually become into the sectional shape with specified section configuration, along forming direction, deforming press roll
From light to dark, the spacing between pass narrows from the width pass accordingly, the deforming press roll of least significant end have final section depth and
Width；The section of steel plate is with the intensification of deforming press roll depth and width becomes smaller, and finally reaches final section configuration.
Cooling device is arranged in front of roll bending formation between several adjacent racks, when component carries out hot-rolling roll forming, water spray
Device carries out online water cooling to the edge of component.From equipment composition, every set cooling device is by nozzle, mobile adjustment dress
It sets, the part such as control valve group, water supply pipe forms；For space structure, cooling device is divided into left and right, inside and outside totally four sets of water sprays
Cooling device composition, every covering device respectively include multiple rows of multiple row nozzle again.
The edge cooling technique of hot roll bending process can be applied to structural carbon steel, carbon constructional quality steel, low-alloy knot
During the hot bending shape of the steel grades such as structure steel.Component enters the temperature of roll bending unit in the range of 600 DEG C -850 DEG C, and edge is cold
But the cooling rate of device controls in the range of 10 DEG C/s-20 DEG C/s.
When production, the specification of high-temperature component changes, cooling device also needs accordingly to adjust change, adjustment side
Formula has the following two kinds: one kind is integral replacing pattern, i.e. the cooling equipment of integral replacing；Another is the progress of on-line tuning equipment
Adaptive pattern, i.e., adjustment moving nozzle group makes spray group keep suitable spray distance away from component edge in the horizontal direction,
According to the edge size adjusting injector spacing size of component to adapt to the limited sky between upper/lower die and component in width direction
Between require, with adjust nozzle quantity in due course with adapt to injection intensity requirement.
Fig. 1 show equipment water jetting cooler floor map, including sequentially connected centralising device 1, thermoforming unit 2,
Thermal-squeezing device 4, traversing rack and welding unit 5, cooling device 3 is equipped between preceding several racks of thermoforming unit 2, for pair
High-temperature component edge is cooled down.The steel plate that need to carry out hot roll bending processing, after 1 centering of centralising device processing, into hot roll bending
Shaping machine set 2 carries out roll bending formation, the equipment water jetting cooler 3 in forming process by being arranged between the former a racks of thermoforming unit
Water-spraying control is carried out to edge, component after molding collects storage after extruding, traversing, welding, sizing, straightening processing.
As shown in Fig. 2, the nozzle 31 of equipment water jetting cooler 3 is arranged in above and below steel plate edge, hot-rolling roll forming
While unit 2 carries out hot roll bending molding to steel plate, nozzle 31 cools down the edge of steel plate, to improve the bullet of component edge
Property strain limit, to reach the corrugated purpose of edge caused by effectivelying prevent edge hot bending.
For example, during being 300mm*300mm square tube by 19 passage compact dimensions, being opened for steel grade Q345
Beginning roll bending deformation temperature is 750 DEG C, is not applied so that under conditions of edge cooling, component edge occurs in roll bending deformation process
Apparent edge wrinkling；But (cooling rate controls the range in 10 DEG C/s-20 DEG C/s after imposing cooling to its edge
It is interior), component edge is neat, does not occur edge deformation wrinkling.
In conclusion the present invention is by carrying out online edge cooling, the structure when effectivelying prevent hot bending to hot bending component edge
While part edge ridging defect, also effectively expands passage and allow bending angle, reduce hot bending shape passage, reduce equipment and throw
Money, reduces the production cost of steel per ton.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (9)
1. a kind of corrugated edge cooling technique of the high temperature-proof deformation of member characterized by comprising in hot roll bending forming process
High-temperature component to carry out edge cooling, to improve the elastic strain limit of component edge.
2. edge cooling technique according to claim 1, it is characterised in that: the high-temperature component is to roll rear waste heat or progress
High-temperature component after reheating is sent to Continuous Heat roll bending unit after centering and carries out roll bending formation processing.
3. edge cooling technique according to claim 1, it is characterised in that: the cooling device that edge uses when cooling includes
The equipment water jetting cooler being located above and below high-temperature component edge, the equipment water jetting cooler are sprayed comprising multiple rows of multiple row
Mouth.
4. edge cooling technique according to claim 1, it is characterised in that: edge cooling rate is controlled in 10 DEG C/s-100
DEG C/s, preferably 10 DEG C/s-80 DEG C/s, more preferably 10 DEG C/s-60 DEG C/s, more preferably 10 DEG C/s-40 DEG C/s, more preferably
10 DEG C/s-30 DEG C/s, more preferably 10 DEG C/s-20 DEG C/s.
5. edge cooling technique according to claim 1, it is characterised in that: the temperature of the high-temperature component be 400 DEG C-
950 DEG C, preferably 600 DEG C -850 DEG C.
6. edge cooling technique according to claim 1, it is characterised in that: hot roll bending high-temperature component after molding is specially
Hot bending channel steel, square tube, round tube or other special cross sections opening and closing section profiled bar product.
7. a kind of corrugated edge cooling device of the high temperature-proof deformation of member, which is characterized in that including sequentially connected centralising device
(1), thermoforming unit (2), thermal-squeezing device (4), traversing rack and welding unit (5), the front end of the thermoforming unit (2)
Cooling device (3) are equipped between rack, for cooling down to high-temperature component edge.
8. edge cooling device according to claim 6, it is characterised in that: the nozzle of the equipment water jetting cooler (3)
(31) it is respectively arranged above and below high-temperature component edge, is cooled down for the edge to high-temperature component.
9. edge cooling device according to claim 7 or 8 is in hot bending channel steel, square tube, round tube or other special cross sections
Opening and closing section profiled bar product hot roll bending production in application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811022459.6A CN109174982B (en) | 2018-09-03 | 2018-09-03 | Edge cooling process and device for preventing high-temperature component from deforming and wrinkling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811022459.6A CN109174982B (en) | 2018-09-03 | 2018-09-03 | Edge cooling process and device for preventing high-temperature component from deforming and wrinkling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109174982A true CN109174982A (en) | 2019-01-11 |
| CN109174982B CN109174982B (en) | 2020-11-27 |
Family
ID=64912122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811022459.6A Active CN109174982B (en) | 2018-09-03 | 2018-09-03 | Edge cooling process and device for preventing high-temperature component from deforming and wrinkling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109174982B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1170643A (en) * | 1996-06-11 | 1998-01-21 | 川崎制铁株式会社 | Producing method and preparing equipment for steel pipe |
| CN1212912A (en) * | 1997-09-30 | 1999-04-07 | Sms舒路曼-斯玛公司 | Method and device for forming strap in band hot-rolling equipment |
| CN2430228Y (en) * | 2000-04-13 | 2001-05-16 | 占金弟 | Cooling device for longitudenal cold bending section mill |
| JP2010042432A (en) * | 2008-08-18 | 2010-02-25 | Jfe Steel Corp | Cooling apparatus of thick steel plate |
| CN103203369A (en) * | 2013-03-26 | 2013-07-17 | 鞍钢股份有限公司 | Plate shape control method of hot rolled high-strength thin strip steel |
| CN103990651A (en) * | 2013-02-19 | 2014-08-20 | 宝山钢铁股份有限公司 | Device and method for controlling high-order edge waves of thin wide flat steel |
-
2018
- 2018-09-03 CN CN201811022459.6A patent/CN109174982B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1170643A (en) * | 1996-06-11 | 1998-01-21 | 川崎制铁株式会社 | Producing method and preparing equipment for steel pipe |
| CN1212912A (en) * | 1997-09-30 | 1999-04-07 | Sms舒路曼-斯玛公司 | Method and device for forming strap in band hot-rolling equipment |
| CN2430228Y (en) * | 2000-04-13 | 2001-05-16 | 占金弟 | Cooling device for longitudenal cold bending section mill |
| JP2010042432A (en) * | 2008-08-18 | 2010-02-25 | Jfe Steel Corp | Cooling apparatus of thick steel plate |
| CN103990651A (en) * | 2013-02-19 | 2014-08-20 | 宝山钢铁股份有限公司 | Device and method for controlling high-order edge waves of thin wide flat steel |
| CN103203369A (en) * | 2013-03-26 | 2013-07-17 | 鞍钢股份有限公司 | Plate shape control method of hot rolled high-strength thin strip steel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109174982B (en) | 2020-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112122360B (en) | Laminar cooling control method for thin hot continuous rolling strip steel | |
| CN101767113B (en) | Cooling control device after rolling of hot-rolled H-shaped steel | |
| CN205236661U (en) | Novel integrative equipment of tinned wire continuous production | |
| CN202224453U (en) | Complete device of after-rolling ultrafast cooling system for hot-rolled strip steel production line | |
| CN109174982A (en) | A kind of corrugated edge cooling technique of the high temperature-proof deformation of member and device | |
| CN111215456B (en) | Method for controlling threading stability of strip steel in hot-rolling laminar cooling area | |
| CN106513448A (en) | Finish rolling descaling method of strip steel | |
| JP2000001719A (en) | Device for cooling high temperature steel plate | |
| CN104169445B (en) | The manufacture method of high strength cold rolled steel plate and manufacture device | |
| CN105521992B (en) | A kind of high-strength marine shaped steel preparation technology | |
| CN205020533U (en) | Finish rolling frame interzone steel cooling device | |
| CN211515577U (en) | Rolling mill | |
| CN109967550B (en) | Special-shaped aluminum groove production device | |
| CN107214202B (en) | Control cooling device and process for rolled angle steel | |
| JP5640416B2 (en) | Flange bending prevention method, flange bending prevention device and T-shaped steel manufacturing equipment for T-section steel | |
| CN102747213B (en) | Cooling method for continuous heat treatment of high-strength steel | |
| CN205732312U (en) | Automatic atomising spraying cooling temperature regulating device | |
| UA103065C2 (en) | Method and for removal of scale from metal strip | |
| CN205869071U (en) | Cooling device of roll of rolling TC1 titanium alloy | |
| CN205762991U (en) | A kind of annealing furnace strip blow device of improvement | |
| CN106794500A (en) | The manufacturing equipment and manufacture method of steel plate | |
| CN212384423U (en) | Online cooling device for hot-bending square and rectangular pipes | |
| CN219648390U (en) | Thermal insulation device for reducing temperature drop of edge of slab | |
| CN104942023B (en) | A kind of hot rolled thin specification austenic stainless steel belt steel board-shape control method | |
| KR20120033022A (en) | Method for manufacturing shape steel comprising pre-cooling process and shape steel rolling mill using the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |