CN107803402A - A kind of cold-rolled steel sheet preparation method for high-end equipment manufacturing - Google Patents
A kind of cold-rolled steel sheet preparation method for high-end equipment manufacturing Download PDFInfo
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- CN107803402A CN107803402A CN201711054026.4A CN201711054026A CN107803402A CN 107803402 A CN107803402 A CN 107803402A CN 201711054026 A CN201711054026 A CN 201711054026A CN 107803402 A CN107803402 A CN 107803402A
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- shaping
- driven roller
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
- C23G3/024—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously by a combination of dipping and spraying
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
- C23G3/027—Associated apparatus, e.g. for pretreating or after-treating
- C23G3/028—Associated apparatus, e.g. for pretreating or after-treating for thermal or mechanical pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B2001/221—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length by cold-rolling
Abstract
The invention discloses a kind of cold-rolled steel sheet preparation method for high-end equipment manufacturing, methods described includes：Uncoiling is carried out to target plate body or the first tension force driven roller is delivered to by conveying device；Target plate body is delivered to by the first shaping roll by the first tension force driven roller and carries out roughing；Secondary roughing is carried out to target plate body using the second shaping roll；Finish rolling is carried out to target plate body using the first planishing roll；Secondary finish rolling is carried out to target plate body using the second planishing roll, wherein the surface roughness of the first and second planishing rolls is less than the first and second shaping rolls.The method of the present invention is used cooperatively by roughing and finish rolling, can both ensure the suitable drafts of steel plate, ensures the finish on surface again, and eliminate steel plate internal stress as far as possible.
Description
Technical field
The present invention relates to field of steel preparation, and in particular to a kind of cold-rolled steel sheet preparation side for high-end equipment manufacturing
Method.
Background technology
Steel are the important raw and processed materials in current industrial production.Close-coupled strip is produced work by SMS companies nineteen ninety first
The production line of skill (CSP) is built up, and forms production scale, obtains significant production effect and good economic benefit.CSP works
The characteristics of skill is that stable operation, device structure are simple；Production yields is high, can produce mild steel, structural steel, high-strength low-alloy
Steel, spring steel, pipe line steel, tool steel, the common conticaster such as silicon steel, stainless steel and abrasion-resistant stee of orientation or No yield point can be poured into a mould
All steel grades；Its technological process is：Electric furnace-refining furnace-thin-slab caster-insulation soaking pit-continuous hot-rolling mill-layer
Flow cooling-curling.
Blank using hot-strip product as the common cold-reduced sheet of cold rolling, its thickness are generally 1.5~6mm.Cold rolling
The technological process of production of strip is：Hot-rolled sheet coil (uncoiler)-pickling unit-cold continuous rolling-degreasing process-annealing furnace-
Planisher-cutter-bundling (curling) machine-storage.Cold rolling blank has to pass through pickling to remove surface before milling train is entered
Iron scale, ensure any surface finish of strip, successfully realize cold rolling and its subsequent handling.Strip after pickling unit
Start to roll into milling train, the characteristics of due to cold-rolling process, in the operation of rolling, belt steel surface has a lubricant grease, grease through plus
Heat can volatilize, and the residue after volatilization is trapped in formation blackspot on belt steel surface and is difficult to remove, and therefore, rolls rear strip and is moved back in entrance
Before fire, to pass through the grease that degreasing process cleans belt steel surface.Strip after degreasing, in the annealing furnace with protective atmosphere
After annealing, belt steel surface is bright, it is cold rolled annealed after strip must carry out smooth, with tuning performance, and obtain uniform thickness
With smooth bright and clean surface.
The content of the invention
In view of the above-mentioned problems, the invention provides a kind of cold-rolled steel sheet preparation method for high-end equipment manufacturing, it is special
Sign is that methods described includes：Uncoiling is carried out to target plate body or is delivered to first by conveying device for board-like steel plate
Tension force driven roller；
Target plate body is delivered to by the first shaping roll by the first shaping roll and carries out roughing；
Secondary roughing is carried out to target plate body using the second shaping roll；
Finish rolling is carried out to target plate body using the first planishing roll；
Secondary finish rolling is carried out to target plate body using the second planishing roll, wherein the surface roughness of the first and second planishing rolls
Less than the first and second shaping rolls.
Preferably, before methods described is additionally included in progress cold rolling, pickling is carried out to target plate body using pickling machine.
Preferably, methods described also carries out ejecting plate using the servo-actuated roller that tests the speed to the cold-reduced sheet exported from the 4th planishing roll
The measurement of speed and distance.
Preferably, cold rolling is carried out by following equipment, the cold-rolled steel sheet Preparation equipment includes：Decoiling equipment, the first tension force
Driven roller, the first shaping roll, the second shaping roll, the 3rd planishing roll, the 4th planishing roll, the second tension force driven roller and the 3rd are servo-actuated
Test the speed roller.
In a kind of preferred implementation, in the first shaping roll, the second shaping roll, the 3rd planishing roll and the 4th planishing roll
It is each include upper and lower two rolls, two rolls are relative to each other；The first tension force driven roller, the second tension force driven roller with
And the 3rd each in the servo-actuated roller that tests the speed include upper and lower two driven rollers.
In another preferred implementation, the decoiling equipment is used for the hot rolled coil for receiving the output of hot rolling program, and
Expansion is carried out to the steel plate on the hot rolled coil to be delivered between two driven rollers up and down of the first tension force driven roller；
The first tension force driven roller is driven by motor, promotes the hot rolled steel plate after expansion to deliver to the by upper and lower driven roller
Between two rolls up and down of one shaping roll；
First shaping roll carries out cold rolling with the first predetermined drafts or reduction ratio to steel plate；
Second shaping roll is located at the first shaping roll downstream, and the steel plate received after first round cold rolling is further
Rolling, the spacing being smaller than between the top and bottom rolls of first shaping roll of the top and bottom rolls of second shaping roll；
The second tension force driven roller is arranged between second shaping roll and the first thin roll, by here
Apply driving force, ensure the fluency of steel plate transmission；
The 3rd thin roll and the 4th thin roll are arranged at the downstream of the second tension force driven roller, and the two is used respectively
Carefully rolled in the steel plate after roughing.
In another preferred implementation, the drafts of first shaping roll and second shaping roll is more than described
The drafts of 3rd planishing roll and the 4th planishing roll.
In another preferred implementation, the cold-rolled steel sheet Preparation equipment also includes hot-rolling mill and pickler.
In another preferred implementation, the pickler include the first hot dipping type pickling tube, conveyer and
Injecting type supplements pickler.
In another preferred implementation, the roll surface roughness of the 3rd planishing roll and the 4th planishing roll is small
In first shaping roll and the roll surface roughness of second shaping roll.
It should be noted that first, second tension force driven roller can adjust its working condition as needed, when cold-reduced sheet exists
Under the driving of cold roll during normal operation, tension force driven roller stops providing driving force, is changed to servo-actuated or is disengaged from surface of steel plate.
In another preferred implementation, steel plate Preparation equipment of the invention also includes pickling machine, the pickling machine bag
Include the first hot dipping type pickling tube, conveyer, image collecting device, controller, injecting type supplement pickler, first heat
Immersion pickling tube is used as first pickling, the image of the image acquisition device target steel plate, and identifies that the stain in image is sat
Mark, the controller control injecting type supplement pickler are corroded when stain reaches below injecting type supplement pickler
Property liquid injection.
Preferably, the injecting type supplement pickler includes pickle storage device, dilution storage device, by array
Multiple jets of arrangement, the pickle delivery pipe and diluent pipes for connecting respective storage devices respectively, should press array cloth
The jet put is divided into Part I and Part II, and Part I is used as pickling, and Part II is used to clean.Preferably, institute
Stating the Part I jet of array arrangement includes M*N jet, and M jet is arranged perpendicular to bearing of trend, is arranged to N
Row, wherein odd row jet and even rows jet interlaced arrangement.Part II jet is located at Part I downstream, uses
The mode of spray is dissipated, it is more thorough to clean.
Preferably, Part I jet is conveyed using nested type pickle, and the nested type pickle refers to each spray
Loophole is double-layer injection mouth, and it includes the outside jet and inner side jet of circle, and inner side jet is nested in outside and sprayed
Within mouthful, inner side jet is connected with pickle delivery pipe, and outside jet is connected with diluent pipes.
Preferably, it is contemplated that the surface relative smooth of steel plate, steel plate is illuminated using oblique diffused light.
Beneficial effect
The cold-rolled steel sheet preparation method for high-end equipment manufacturing of the present invention is used cooperatively by roughing and finish rolling, can
Both ensure the suitable drafts of steel plate, and ensure the finish on surface again, and eliminate steel plate internal stress as far as possible.The present invention's
Cold-rolled steel sheet precision is high, uniformity is good, can apply to automobile, high ferro so that the use of aircraft carrier inner space.
In addition, in the preferred implementation of the present invention, the equipment for carrying out preposition processing to cold-reduced sheet is additionally provided,
Novel pickling machine including innovation, using the pickling machine of the present invention, the erosion to steel plate can be not only reduced, reduction is embathed
Time, and the oxide of the nearly all residual of surface of steel plate can be removed, even extend deeper oxide residual.
Brief description of the drawings
Fig. 1 be the inventive method used by cold-rolled steel sheet Preparation equipment schematic diagram；
Fig. 2 is the structural representation of the pickler of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in detail, but not therefore by the protection model of the present invention
Enclose and be limited among the scope of embodiment description.
The production of cold-rolled steel sheet, especially flat cold-rolled sheet is typically all after hot rolling, directly by steel plate from hot rolled coil
Uncoiling, cold rolling is carried out, the present embodiment is no exception.The present invention illustrates by taking cold-reduced sheet (such as SPCC) as an example.
It should be appreciated by those skilled in the art that, it is necessary to be refined to steel before hot rolling.LF refining furnace can be used
Steel are refined, after refining, hot rolling is carried out, obtains hot rolled coil.In the production process of SPCC cold-reduced sheets, use
The hot rolling technology route of three high and one low, so-called three high and one low refers to heating-up temperature, temperature of becoming civilized and whole axle temperature degree are high, and batches
Temperature is low.At 1200 degrees Celsius, high heating-up temperature and certain soaking time ensure heating-up temperature before SPCC coldization plate hot rollings
A1N all and equably can be dissolved among austenitic matrix.
There is iron scale on the coils of hot-rolled steel surface obtained by hot rolling, can be covered in the outer surface of steel securely, so as to
The surface defect of strip is set to be not easy to be found.In order to find and remove the strip of surface defect, need to cover before cold rolling
Removed in the iron scale of belt steel surface, add the service life of cold-rolling equipment and improve the quality of cold-reduced sheet.
4 are selected in process of production：1 hydrochloric acid and sulfuric acid mixed diluting liquid or hydrochloric acid liquid are simultaneously aided with corrosion inhibiter and entered
Row pickling, mainly by dissolving, reducing and iron scale is removed in mechanical stripping effect.Relative to dissolving of the hydrochloric acid to base iron
For ability, more high to the solvability of iron scale of hydrochloric acid, in order to reduce the loss of iron, selection hydrochloric acid acid as far as possible
Wash.When concentration of hydrochloric acid is higher, it is dissolution that it, which removes the major way of iron scale, and obtained strip surface quality is relative
It is good.
Then cold rolling, annealing and the process such as smooth be can be carried out.Annealing and flattening process be it is well known in the art,
Also and where the innovation of non-invention, therefore I will not elaborate.The main cold-rolled process for introducing the present invention below.
Embodiment 1
The cold-rolled steel sheet preparation method for high-end equipment manufacturing of the present invention includes：Uncoiling or logical is carried out to target plate body
Cross conveying device and be delivered to the first tension force driven roller；
Target plate body is delivered to by the first shaping roll by the first shaping roll and carries out roughing；
Secondary roughing is carried out to target plate body using the second shaping roll；
Finish rolling is carried out to target plate body using the first planishing roll；
Secondary finish rolling is carried out to target plate body using the second planishing roll, wherein the surface roughness of the first and second planishing rolls
Less than the first and second shaping rolls.
The method of the present invention is realized by the equipment in Fig. 1, and this method is described with reference to the equipment.
As shown in figure 1, cold rolling Preparation equipment includes：Decoiling equipment 1, the first tension force driven roller 2, the first shaping roll 3, second
The servo-actuated roller 8 that tests the speed of shaping roll 4, the 3rd planishing roll 5, the 4th planishing roll 6, the second tension force driven roller the 7, the 3rd.The present embodiment be
Hot rolling terminates what is designed in the case that rear steel plate has already passed through abundant pickling, if the steel plate in hot rolled coil without abundant pickling,
Need to add acid cleaning process after uncoiling.
After hot rolling program is completed, hot rolling is provided on decoiling equipment 1, rolls the steel plate of volume in the first tension force driven roller 2
Driving is lower to be entered between the first shaping roll 3, and the first shaping roll 3 includes two rolls opposing upper and lower, between two rolls between
Thickness away from less than steel plate.First shaping roll 3 carries out roughing to steel plate, after roughing, before steel plate continues from the right side of shaping roll
Enter to reach the second shaping roll 4, the second shaping roll 4 further carries out roughing to steel plate.
Second tension force driven roller 7 be arranged between the second shaping roll 4 and the 3rd planishing roll 5 (if in small distance between two rollers,
The driven roller 7 can be omitted), the second tension force driven roller includes two rotating rollers, and each rotating roller includes rotary shaft, bearing, pressure
Power control-rod, the pressure control rod of top and the pressure control rod of lower section respectively from upper and lower both direction to midway drive bearing,
Rotary shaft is rotatably installed in bearing.
Steel plate is under the driving of the second tension force driven roller 7 between two planishing rolls up and down of the 3rd planishing roll 5.Pass through
The finish rolling of 3rd planishing roll 5, substantially close to requiring thickness.Then, steel plate enters between the 4th planishing roll 6, carries out last one
Rolling shedule, reach predetermined thickness and realize flatness requirement.First shaping roll 3, the second shaping roll 4, the 3rd planishing roll 5,
The rolling thickness of four planishing rolls 6 sequentially reduces.The rolling thickness of first shaping roll 3 and the second shaping roll 4 accounts for total reduction thickness
More than 65%.The present invention can be used for the cold-rolled steel sheet for preparing 0.2-6mm thickness.In addition, for the hot rolled plate of non-rolling, uncoiling
Device 1 is substituted using conveying device.For the cold-rolled steel sheet of 4mm thickness, cold-rolling equipment of the invention rolling error can reach
Less than 0.015mm.
Using two thick, two essences cold rolling modes in the present invention, the cost of cold-rolling mill can be not only reduced, can also be preferably
Ensure surface smoothness, precision and the uniformity of cold-rolled steel sheet.
Under normal circumstances, the rolling milimeter number of cold roll does not exceed 200km, and otherwise cold-reduced sheet surface quality can deteriorate,
Increase surface chromatic aberration occurrence probability.
Cold rolling is annealed, is smooth, being sheared, bundling by a conventional method after terminating, and these processes are normal using this area
Rule mode, I will not elaborate.
Embodiment 2
In the production process of cold-reduced sheet, a meeting has a strong impact on that the factor of plate quality is exactly that pickling is not thorough.Especially
The oxide that steel plate is formed after the heating, before hot rolling, it is in the hot rolling, it is more likely that due to deformation, some is pressed
Enter in hot rolled plate.But the time of pickling is again unsuitable long, pickling time is long easily to cause steel to become fragile, steel are originally experienced
Damage.
For this problem, a kind of new-type pickling machine, its cold rolling that can apply in embodiment 1 are present embodiments provided
Equipment or exclusive use.
As shown in Fig. 2 the pickling machine of the present embodiment includes the first hot dipping type pickling tube (being not drawn into figure), conveyer
21st, image collecting device 22, controller 23, injecting type supplement pickler 24, pickle storage device 25 and dilution are deposited
Store up equipment 26.First hot dipping type pickling tube is used as first pickling, and for pickling tube built with watery hydrochloric acid (being added with corrosion inhibiter), hot rolling is complete
Pickling is carried out to hot rolled plate first in pickling tube after.Pickling time is unsuitable long, and pickling time is long both to influence efficiency, again
The iron in cold-rolled steel sheet and hydrochloric acid reaction may be caused and then influence surface of steel plate component ratio and bring loss, and make steel
Material becomes fragile.
But if pickling is not thorough, the respective regions on cold-reduced sheet can have the oxide of residual, both influence material
Aesthetics influences its performance again, increases subsequent plating layer or the difficulty of other processing, causes customer churn.
Therefore, image collecting device and injecting type supplement pickler, the image collector are with the addition of in the present embodiment
The image for gathering the existing hot rolled plate by abundant pickling before equipment is not used first is put, then, formal in use, adopting
The image of hot rolled plate in collection preparation, using the hot rolled plate of abundant pickling as control, (this process should be noted temperature control, avoid
Due to aberration caused by the temperature difference) it is compared with follow-up hot rolled plate image or difference, difference diagram is obtained, if hot rolled plate partial zones
Exhaustive oxidation thing is not remained for domain pickling, then the transverse and longitudinal coordinate in the region can be reflected in the difference diagram, the difference if pickling thoroughly
The image pixel value of figure can be less than certain threshold value, i.e. aberration is less than certain threshold value, it can be assumed that being noresidue.The speed of conveyer
Degree is controlled by controller, remains the coordinate of position according to oxide in the coordinate of image collecting device, difference diagram and transmission fills
The speed put can determine when oxide residual region reaches the lower section of injecting type supplement pickler 24.
Multiple jets, the pickle that the injecting type supplement pickler includes pickle memory, is disposed in an array
Delivery pipe, diluent pipes (and this connects storage device respectively), the jet being disposed in an array be divided into Part I and
Part II, Part I are used as pickling (being located at upstream), and Part II is used to clean in (positioned at production line or steel plate downstream).It is excellent
Selection of land, the Part I jet of array arrangement include M*N jet (such as 50*30), and M jet is perpendicular to prolonging
Stretch direction arrangement, be arranged to N rows, wherein odd row jet and even rows jet interlaced arrangement, i.e. odd row jet pair
The space between even rows jet, even rows jet is against the space between odd row jet.Part II sprays
Mouth is located at Part I downstream, more thorough to clean by the way of scattered spray.
Pickling effect is preferably pinpointed in order to reach, Part I jet of the invention is defeated using nested type pickle
Send, the nested type pickle refers to that each jet is double-layer injection mouth, and it includes the outside jet of circle and interior side spray
Loophole, inner side jet be nested in outside jet within, inner side jet is connected with pickle delivery pipe, outside jet and
Diluent pipes are connected.Here dilution uses running water or pure water, and pickle delivery pipe uses polytetrafluoroethylmaterial material
Or other resistant materials are made.Advantage of this embodiment is that after target area position is determined, inner side can be started
Jet cleans to target oxide, during pickle here uses or middle and high concentration hydrochloric acid, such as 20-40% salt
Acid, after inner side jet starts, the delay 1-2 seconds are diluted liquid injection or pickle and dilution is synchronously sprayed, this
The zone of action of sample pickle just concentrates on target area, once hydrochloric acid is diffused into nontarget area from target area, surrounding
Dilution will be diluted and rinse to strong acid, avoid crossing multiaction to other regions.In addition, this implementation is another
One advantage is, because hydrochloric acid is volatile materials, although middle and high concentration hydrochloric acid can be preferably clear with the help of jet power
The obstinate residual of oxide of surface of steel plate is washed, also readily volatilized into air, and use technical scheme, hydrochloric acid is from spray
Loophole intermediate injection, and surrounding jet injection water, the hydrochloric acid of volatilization are absorbed by water immediately, reduce the volatilization of hydrochloric acid in air
Amount, avoids worker from being encroached on.
Mode of operation one：When pickling machine works, steel plate is placed on conveyer 21, is forwarded by conveyer, is reached
During 22 lower section of image collecting device, image collecting device 22 carries out IMAQ to the steel plate in the preset range of lower section, and image is adopted
The image that acquisition means obtain obtains the coordinate of residual oxidization object area on steel plate after stain identification or difference processing,
(abscissa corresponds to steel plate width direction, ordinate corresponds to steel plate length direction), movement velocity of the controller 23 based on steel plate and
The distance of image collecting device camera watch region and front end jet, judge that stain reaches the time below jet, once it is dirty
Point is reached below the jet of front end, and injecting type supplement pickler 24 controls the jet of front end to carry out pickle and dilution
Sprayed while liquid, pickle carries out high-pressure injection acid etching to stain, and dilution ensures that the hydrochloric acid of middle and high concentration will not corrode week
Border area domain steel plate is continuously advanced, when stain, which leaves first row jet, reaches heel row jet, the injection of heel row relevant position
Mouth starts, and the second last part jet cleans to steel plate.Pickle storage device 25 and dilution storage device 26
Forced feed is carried out to respective liquid by pressurized equipment respectively.
According to the quality requirement of steel plate, the specific aim pickling of single or double can be carried out to steel plate.
Mode of operation two：When pickling machine works, steel plate is placed on conveyer 21, is forwarded by conveyer, is reached
During 22 lower section of image collecting device, the 0.1-0.2 seconds are stopped, image collecting device 22 carries out figure to the steel plate in the preset range of lower section
As collection, the image that image collecting device obtains obtains residual oxidization on steel plate after stain identification or difference processing
The coordinate of object area, (abscissa corresponds to steel plate width direction, ordinate corresponds to steel plate length direction), steel plate continues to transmit, will
Shooting area is delivered to below jeting area, stops the scheduled time, pair of the controller 23 based on stain position and image acquisition region
It should be related to, start jet corresponding with stain region, injecting type supplement pickler 24 controls the jet of front end to carry out
Sprayed while pickle and dilution, pickle carries out high-pressure injection acid etching to stain, and dilution ensures the salt of middle and high concentration
Acid will not corrode neighboring area.In fact, previous cleaning can remove oxide most on steel plate, the only meeting of only a few region
In the presence of the oxide stain of residual, therefore, only just need to carry out when image collecting device finds that shooting area has stain
Stop pickling.
Embodiment 3
Although the cold-rolled steel sheet Preparation equipment in above example can be prepared by twice roughing and the thin rolling process sequence of twice
Go out any surface finish, uniform cold-reduced sheet.
Applicant have discovered that carry out slab cold-rolled process in, cold-rolling equipment to steel plate carry out cold rolling when, due to
Steel plate deformed is larger, in deformation process, has the stress remained in steel plate and exists, moreover, during steel plate deformed, meeting
A kind of trend propagation effect being present, this trend propagation effect refers to steel plate in the roller compaction process by roll, if due to
Certain reason causes the amplitude of deformation at a position to be more than periphery, may result in the position and peripheral part formation is extruded, and this
Kind of extruding can bring a series of chain reactions again, and its distance propagated is much larger than the expection of people, and can produce certain tired
Product, causes the stress in steel plate to be not easy to eliminate.
Therefore, for the problem, applicant carried out substantial amounts of experimental study, it has been found that for remaining in steel plate
Stress, for its caused basic reason in deformation process, the pressure suffered by it can not be completely transformed into deformation, i.e., by
Power cannot completely discharge.
In order to preferably further be discharged to the stress in steel plate, in the present embodiment, applicant is on hot rolled coil
Base material carried out advanced processing, specifically, the cold-rolling equipment of the present embodiment except in embodiment 1 decoiling equipment 1 (due to
Be slab, in the present embodiment, do not use decoiling equipment 1, but use steel plate conveying device 1), the first tension force driven roller 2, first
Shaping roll 3, the second shaping roll 4, the 3rd planishing roll 5, the 4th planishing roll 6, the second tension force driven roller the 7, the 3rd be servo-actuated test the speed roller 8 it
Outside, in addition to：Preposition processing equipment, the preposition processing equipment include hot-rolling mill and stamping machine or slotting machine, the hot-rolling mill pair
Hot rolled steel plate carry out hot rolling, in the hot rolling or last wheel hot rolling terminate before, the stamping machine or slotting machine are to described
The edge of hot rolled steel plate carries out punching press or otch, is stamped or cut out out lacking for desired depth at predetermined intervals from edges of plate
Mouthful, it is preferable that the breach is half pyriform breach, and the half pyriform breach refers to that one end of breach is bigger than the other end, big
One end is located at cold-reduced sheet upstream.
In addition, the depth of the breach is less than the width of follow-up trimming.Therefore, in the present embodiment, after cold rolling terminates, need
Bead cutter is used to carry out trimming to steel plate.Trimming width is more than the depth for forming breach.
It is thick with 6mm, exemplified by SPCC cold-rolled steel sheets wide 1500mm, the embodiment 1 by measuring stress instrument to same thickness
The cold-rolled steel sheet in cold-rolled steel sheet and the present embodiment made by middle equipment carries out contrast discovery, in the 300- of central region
500mm, the difference of its internal stress is smaller, but with, the residual stress of steel plate in the present embodiment close to marginal portion
The steel plate being significantly less than in embodiment 1 is lower 10- than the stress of embodiment 1 during away from axis 300mm on the basis of axis
15%, and during away from axis 500-600mm, it is lower more than 25-30% than the residual stress in embodiment 1.
Presently preferred embodiments of the present invention is the foregoing is only, any formal limitation is not done to the present invention, it is all at this
Within the spirit and principle of invention, the technical spirit according to the present invention is to any simple modification made for any of the above embodiments, equivalent
Change and modification, still fall within protection scope of the present invention.
Although the principle of the present invention is described in detail above in conjunction with the preferred embodiments of the present invention, this area skill
Art personnel are it should be understood that above-described embodiment is only the explanation to the exemplary implementation of the present invention, not to present invention bag
Restriction containing scope.Details in embodiment is simultaneously not meant to limit the scope of the invention, in the spirit without departing substantially from the present invention and
In the case of scope, any equivalent transformation based on technical solution of the present invention, simple replacement etc. are obvious to be changed, and is all fallen within
Within the scope of the present invention.
Claims (6)
1. a kind of cold-rolled steel sheet preparation method for high-end equipment manufacturing, it is characterised in that methods described includes：To Target Board
Body carries out uncoiling or is delivered to the first tension force driven roller by conveying device；
Target plate body is delivered to by the first shaping roll by the first shaping roll and carries out roughing；
Secondary roughing is carried out to target plate body using the second shaping roll；
Finish rolling is carried out to target plate body using the first planishing roll；
Secondary finish rolling is carried out to target plate body using the second planishing roll, wherein the surface roughness of the first and second planishing rolls is less than
First and second shaping rolls.
2. according to the method for claim 1, it is characterised in that before methods described is additionally included in progress cold rolling, utilize pickling
Machine carries out pickling to target plate body.
3. according to the method for claim 1, it is characterised in that methods described is also using the servo-actuated roller that tests the speed to from the 4th
The cold-reduced sheet of planishing roll output carries out the measurement of ejecting plate speed and distance.
4. according to the method for claim 1, it is characterised in that methods described is using the realization of cold-rolled steel sheet Preparation equipment, institute
Stating cold-rolled steel sheet Preparation equipment includes：Decoiling equipment (1), the first tension force driven roller (2), the first shaping roll (3), the second shaping roll
(4), the servo-actuated roller (8) that tests the speed of the 3rd planishing roll (5), the 4th planishing roll (6), the second tension force driven roller (7) and the 3rd.
5. according to the method for claim 4, it is characterised in that the first shaping roll (3), the second shaping roll (4), the 3rd finish rolling
Each include upper and lower two rolls in roller (5) and the 4th planishing roll (6), two rolls are relative to each other；Described first
It is each including upper and lower two drivings in the servo-actuated roller (8) that tests the speed of power driven roller (2), the second tension force driven roller (7) and the 3rd
Roller, to ensure the transmission driving force of steel plate.
6. according to the method for claim 5, it is characterised in that
The decoiling equipment (1) is used for the hot rolled coil for receiving the output of hot rolling program, and the steel plate on the hot rolled coil is carried out
Expansion is delivered between two driven rollers up and down of the first tension force driven roller (2)；
The first tension force driven roller (2) is driven by motor, promotes the hot rolled steel plate after expansion to deliver to the by upper and lower driven roller
Between two rolls up and down of one shaping roll (3)；
First shaping roll (3) carries out cold rolling with the first predetermined drafts or reduction ratio to steel plate；
Second shaping roll (4) is located at the first shaping roll (3) downstream, receives the steel plate after first round cold rolling and enters one
Step rolling, the top and bottom rolls of second shaping roll (4) are smaller than between the top and bottom rolls of first shaping roll (3)
Spacing；
The second tension force driven roller (7) is arranged between second shaping roll (4) and the first thin roll, by herein
Place applies driving force, ensures the fluency of steel plate transmission；
The 3rd thin roll (5) and the 4th thin roll (6) are arranged at the downstream of the second tension force driven roller (7), the two
It is respectively used to carefully roll the steel plate after roughing；
The 3rd servo-actuated roller (8) that tests the speed is arranged at the 4th thin roll (6) downstream, for determining the speed and length of steel plate after cold rolling.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711054026.4A CN107803402B (en) | 2017-10-31 | 2017-10-31 | A kind of cold-rolled steel sheet preparation method for high-end equipment manufacturing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711054026.4A CN107803402B (en) | 2017-10-31 | 2017-10-31 | A kind of cold-rolled steel sheet preparation method for high-end equipment manufacturing |
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| CN107803402A true CN107803402A (en) | 2018-03-16 |
| CN107803402B CN107803402B (en) | 2019-07-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112775182A (en) * | 2020-12-29 | 2021-05-11 | 广州市荻亚机电设备有限公司 | Manufacturing equipment for producing cold-rolled steel plate for manufacturing high-end equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1070557A2 (en) * | 1999-07-17 | 2001-01-24 | Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh | Method for levelling metal strips |
| CN102139282A (en) * | 2010-12-10 | 2011-08-03 | 西南铝业（集团）有限责任公司 | Cold rolling machine |
| CN102172620A (en) * | 2011-02-09 | 2011-09-07 | 清华大学深圳研究生院 | Method and system for rolling difficult-to-machine metal material by combining electro-plasticity with temperature plasticity |
| CN102489544A (en) * | 2011-12-19 | 2012-06-13 | 中冶南方（武汉）自动化有限公司 | Control method for high-speed drifting of cold rolling treatment line decoiler |
| CN103128099A (en) * | 2013-02-25 | 2013-06-05 | 南通宝钢钢铁有限公司 | System and method for hot rolling |
-
2017
- 2017-10-31 CN CN201711054026.4A patent/CN107803402B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1070557A2 (en) * | 1999-07-17 | 2001-01-24 | Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh | Method for levelling metal strips |
| CN102139282A (en) * | 2010-12-10 | 2011-08-03 | 西南铝业（集团）有限责任公司 | Cold rolling machine |
| CN102172620A (en) * | 2011-02-09 | 2011-09-07 | 清华大学深圳研究生院 | Method and system for rolling difficult-to-machine metal material by combining electro-plasticity with temperature plasticity |
| CN102489544A (en) * | 2011-12-19 | 2012-06-13 | 中冶南方（武汉）自动化有限公司 | Control method for high-speed drifting of cold rolling treatment line decoiler |
| CN103128099A (en) * | 2013-02-25 | 2013-06-05 | 南通宝钢钢铁有限公司 | System and method for hot rolling |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112775182A (en) * | 2020-12-29 | 2021-05-11 | 广州市荻亚机电设备有限公司 | Manufacturing equipment for producing cold-rolled steel plate for manufacturing high-end equipment |
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|---|---|
| CN107803402B (en) | 2019-07-05 |
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Address after: 422001 Four factories in Baoqing Industrial Concentrated Area, Shuangqing District, Shaoyang City, Hunan Province Patentee after: Hunan Gaohua New Materials Technology Co., Ltd. Address before: 422001 Four factories in Baoqing Industrial Concentrated Area, Shuangqing District, Shaoyang City, Hunan Province Patentee before: Shaoyang Gaohua Industry and Trade Industrial Co.,Ltd. |
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