CN1463807A - Process for the manufacture of cold rolling accurate super narrow steel strip and apparatus thereof - Google Patents
Process for the manufacture of cold rolling accurate super narrow steel strip and apparatus thereof Download PDFInfo
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- CN1463807A CN1463807A CN 02120917 CN02120917A CN1463807A CN 1463807 A CN1463807 A CN 1463807A CN 02120917 CN02120917 CN 02120917 CN 02120917 A CN02120917 A CN 02120917A CN 1463807 A CN1463807 A CN 1463807A
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Abstract
The technological process of making cold rolled precise super-narrow steel belt includes the steps of unwinding, welding, positioning, horizontal rolling, vertical rolling, washing and polishing, coarse rolling, heat treatment, finishing rolling, straightening, leveling, winding, packing, etc. The corresponding apparatus includes successively connected unwinder, positioner, leveler, straighener, rolling mill, winding machine, tension regulators, cold rolling emulsion blowing and washing unit, and width and thickness measurer.
Description
Invention field
What the present invention relates to is a kind of cold rolling accurate super narrow steel strip preparation method and device thereof.
Background technology
In the cold rolling accurate super narrow steel strip preparation method of prior art and the device thereof, because the length of producing in batches, all wear band (promptly at every turn, the process of guiding wire rod (plate-like steel band) by the gap of various rolls and organisation of working) operation is very difficult, can bob and weave in wire rod (plate-like steel band) position when drawing, this swing the lighter influences crudy, weight person causes processing to proceed, when the rolling steel band, directive wheel moves leftwards and rightwards at winch spool two side ends, steel band will be to a direction warpage, the stressed meeting in side is introduced harmful stress to steel band, the introducing of these stress can cause the local dead line and the bending of steel band, the scythe line that these defectives form, twisted shape will cause the defective of final products, and serious will cause punching out, cut and to carry out continuously.The shortcoming that also has more or less on preparation method and device thereof haves much room for improvement thus.
Summary of the invention
The object of the present invention is to provide a kind of preparation method and device thereof of cold rolling accurate super narrow steel strip, can overcome and to locate when the steel band that exists in the prior art transports operational difficulty, dribbling and wave up and down, influence the problem of aspects such as crudy.
Purpose of the present invention can be achieved in the following manner, adopt the round steel of suitable diameter, described round steel is placed on the frame of uncoiler, then described round steel is entered successively level and vertical direction roughing, scrub polishing, finish rolling, oil, rolling, carry out the branch coil packing then and smooth simultaneously, alignment.
Mode of the present invention can be able to further instruction by following flow process:
Referring to accompanying drawing 2, cold-rolling process wherein of the present invention comprises
Uncoiler a, wire rod enters positioner b from uncoiler is released by guiding, and positioner can keep wire rod within limits up and down; Then in smoothing, directly install on c, the d and smooth, directly; Smoothing, wire rod after straight sent into scrub, burnishing device e, f, and utilize wire brush and polish brush on it to scrub polishing; Milling train g1, g2, g3 on carry out roughing thereafter, the steel band in cross section shown in the accompanying drawing 1 (a) if desired, can between g2, g3, add a milling train and be used for rolling side to obtain comparatively smooth side, if adopting the steel bar that cuts (is vertical bar, its two side faces is smooth substantially), then do not need this step; Pass through (that is, not being rolled) milling train g4, g5 after the roughing; Adopt winder h to batch, coiling of steel band sent into annealing device heat-treat by prior art.
Steel band after the heat treatment unclamped from uncoiler carries out finish rolling,, still need to enter positioner b by guiding if in the finish rolling process, but can be by smoothing, directly install c, d; If desired, can once more steel band be sent into scrub, burnishing device e, f; Thereafter by milling train g1, g2, on milling train g3, g4, g5, carry out finish rolling, wherein, described g4 is used for the rolled steel strip side, and its roll can vertically be placed, also can horizontal positioned, during horizontal positioned, steel band need be turned round and turn 90 degrees so that enter milling train g4, if adopt this mode, at g4 to also needing again steel band to be reversed back level between the g5 milling train; Steel band after adopting winder h with finish rolling batches, if do not need single coiling, can pack; Single if desired coiling then needs steel belt disk is twisted in smoothing, directly installs on j, the k smoothing, direct join once more and coil packing single coiling on the device 1.
In the above-mentioned technology, scrub liquid, polishing fluid, cold-rolling emulsion, the cooling fluid etc. that need in scrubbing polishing, in the cold rolling all adopt the known product of prior art.
For keeping continuous production, can between uncoiler a and positioner b, welder be set.
" cold rolling accurate super narrow steel strip " of the present invention is meant (referring to accompanying drawing 1):
b＝10～16±0.1mm；
t＝2～4±0.05mm；
R＝1～2.5mm；
r≤0.5mm；
Wherein, t is a belt steel thickness, and b is a strip width, and r, R are respectively arc radius.
Cold rolling accurate super narrow vertical bar of the present invention and every meter flexibility of band steel are not more than 2mm/m, and total flexibility is not more than 2 ‰.
Cold rolling accurate super narrow vertical bar of the present invention and band steel adopt 08F, SWRM8, M10 material, and chemical composition satisfies GB699-1999, Q/BQB110-1999 standard.
The tensile strength (σ b) of cold rolling accurate super narrow vertical bar of the present invention that the steel of described three kinds of trades mark are made and band steel is 450-550Mpa, and percentage elongation (δ 5) is greater than 8%;
Use beneficial effect of the present invention to be: the surface of the super ribbon steel after handling through this preparation facilities should be bright and clean, do not have defectives such as broken limit, crackle, burr, pit, scuffing, blackspot, pit, do not have macroscopic corrosion and oxide to exist.
Description of drawings
Accompanying drawing 1 is vertical bar in the cold rolling accurate super narrow steel strip of the present invention (Fig. 1 (a)) and the schematic cross-section of coiling band steel (Fig. 1 (b)), and wherein, t is a belt steel thickness, and b is a strip width, and r arc radius, R are arc radius;
Accompanying drawing 2 is preparation flow figure of cold rolling accurate super narrow steel strip of the present invention;
Accompanying drawing 3 is the uncoilers that use in the preparation of cold rolling accurate super narrow steel strip of the present invention;
Accompanying drawing 4 is the registration rollers that use in the preparation of cold rolling accurate super narrow steel strip of the present invention, wherein, the 6th, perpendicular positioning roller, the 7th, horizontal location roller;
Accompanying drawing 5 is schematic diagrames of scrubbing burnishing device of the present invention;
Accompanying drawing 6 is the milling trains that use in the preparation of cold rolling accurate super narrow steel strip of the present invention;
Accompanying drawing 7 is wrap-up schematic diagrames of the present invention;
Accompanying drawing 8 is smoothing of the present invention mechanisms;
Accompanying drawing 9 is aligning mechanisms of the present invention;
Accompanying drawing 10 is arbor schematic diagrames of single-deck winder of the present invention;
Accompanying drawing 11 is work schematic diagrames of single-deck winder of the present invention;
Accompanying drawing 12 is schematic diagrames of wrap-up of the present invention;
Accompanying drawing 13 is schematic diagrames of cold-rolling emulsion blow device of the present invention;
Accompanying drawing the 14, the 15th, the schematic diagram of tension-adjusting gear of the present invention;
Accompanying drawing 16 is survey width of the present invention, thickness schematic representation of apparatus;
The specific embodiment
The steel strip production line of continuous cold rolling of the present invention, can be divided into uncoiling, welding, location, level is rolling with vertical rolling, scrub steps such as polishing, roughing, heat treatment, finish rolling, alignment smoothing, rolling, packing.
(1), uncoiling, can be referring to accompanying drawing 3, because what steel band of the present invention adopted is the plate-like round steel to be rolled form, in addition, in roughing, rolling, again the plate-like steel band after the heat treatment, therefore need to adopt uncoiler to adapt to follow-up work flow, uncoiler of the present invention comprises base 1, pallet 2 location grid 3 are formed, one turning cylinder 4 is set between pallet 2 and the base 1, pallet 2 can support also relatively by turning cylinder 4, and base turns, for preventing that wire rod in uncoiling process (plate-like steel band) from moving, in the central authorities of pallet location grid 3 are set, during use wire rod 5 (plate-like steel band) packed into location grid 3 and be placed on the pallet 2, no matter be initiatively or passive uncoiling, wire rod (plate-like steel band) 5 can rotate freely.
Consider wire rod in the production process (plate-like steel band) 5 balancing tensions that bear, can adopt initiatively uncoiling mode, promptly, wire rod (plate-like steel band) 5 is when being fed forward by the milling train traction, the pallet 2 of uncoiler rotates to be controlled by decelerator by motor, can control processed wire rod (plate-like steel band) 5 tension force so better.
(2) welding, owing to need heat treatment, therefore can not guarantee to produce continuously wire rod (plate-like steel band) 5, in addition, consider the length of batch process, all wear band (promptly at every turn, guiding wire rod (plate-like steel band) 5 is by the process in the gap of various rolls and organisation of working) operation is very difficult, therefore it is useful welding post being set between uncoiler 2 and registration roller, when needs, two dish the welding end to end of steel bands both can be reduced the difficulty of wearing band, also guarantee the continuity of producing.7
(3) location, can be referring to accompanying drawing 4, because can bob and weave in wire rod (plate-like steel band) 5 position when drawing, this swing the lighter influences crudy, weight person causes processing to proceed, and therefore adopts registration roller, described registration roller to comprise two perpendicular positioning rollers 6 and two horizontal location rollers 7 in the present invention, these two groups of registration rollers define can only moving of machined object in level and vertical direction in very little scope, thereby have guaranteed carrying out smoothly of following process.
(4) smoothing, straight, smooth at registration roller, directly, so that enter smoothly in the groove of roughing and finish rolling milling train, referring to accompanying drawing 2,8,9, generally adopt two groups of flat rolls, respectively horizontal positioned and vertical placement, every group of roll adopts 4 * 2 corresponding rollers, distance between the corresponding roller is adjustable, and this point can adopt prior art, and the roller spacing is adjustable to be for the wire rod that adapts to different-diameter or the steel band of different size.
Preferably, the first pair roller at two groups of rollers of vertical and horizontal direction is set to citation roller.
(5) scrub polishing, referring to accompanying drawing 2,5, it is the technology that cold rolling polishing is earlier annealed again that the present invention adopts, by rolling, can make the oxide skin cracking of steel strip surface, steel band is scrubbed by paired wire brush, and described wire brush face is level, the vertical placement so that the steel band of class square-section is scrubbed up and down alternately, removes whole surface scales in the process of scrubbing.
Scrub in the process of the present invention, wire brush 9 is fixed on the surface of circular brush dish 8, two brush dishes to have the steel wire brush finish relative, the circular brush dish can be at a high speed in the same way or reverse rotation, the distance between the steel wire brush finish is adjustable to use the needs of different size and different working depths.
After wire brush 9 is scrubbed, adopt polishing disk that steel band is further polished to reduce the surface roughness of steel band, polishing disk is identical with the structure of scrubbing dish, mechanism and occupation mode, it is fixing that different is on the surface of circular brush dish 8 is polishing material, for example, the scouring pad of polishing canvas, the common usefulness that washes the dishes, felt etc.
No matter scrub or polish, washing material of the prior art and polishing material can be in the present invention selected.
Particularly, of the present invention scrubbing selected a pair of dish and a pair of polishing disk scrubbed at least for use in the process, scrub dish and two pairs of polishing disks for preferred two pairs, scrub and polish in level and vertical direction respectively, a specific embodiment of the present invention is to adopt three pairs to scrub dish and three pairs of polishing disks.
What the present invention adopted on steel strip surface is handled is the rolling oxide skin cracking that makes, and wire brush is used for reducing roughness, and polishing reduces roughness further, adopts the cold rolling surface roughness that makes to reach requirement at last.
One embodiment of the present of invention are to adopt three pairs of wire brushes that steel strip surface is scrubbed at least, be that the steel strip surface roughness reaches the Ra5 micron, adopt at least three pairs of polish brushes that the steel strip surface roughness is reduced to below the Ra2.5 micron then, by two road roughing and three road finish rolling the surface roughness of steel band is reduced to below the Ra0.7 micron at last.
Because high speed is scrubbed, polishing can make the steel band heating cause processing characteristics and material capability to change, therefore, use cooling fluid on the polishing disk scrubbing of this operation, scrub polishing disk and steel strip surface to cool off, to lubricate, cooling fluid of the prior art all can be selected on request in technology of the present invention.
Finally, the surface of cold rolling accurate super narrow band steel of the present invention should be bright and clean, do not have defectives such as broken limit, crackle, burr, pit, scuffing, blackspot, pit, do not have macroscopic corrosion and oxide to exist.
Replenish as one that scrubs, can carry out bead wire rod.
Liquid storage groove also is set in the steel strip surface treating apparatus, the turnover pipe of liquid also is provided with a circulating pump outside groove, between the outlet of liquid and circulating pump, filter is set, the composition that described liquid forms for materials such as cooling fluid commonly used, washing agent, polishing agents with impurity screening; During use, steel band enters from charging aperture, wire brush and felt begin polishing is scrubbed in steel strip surface rotation, and treatment fluid is directed to processed surface, are rinsed simultaneously by the impurity under scrubbing, liquid after the flushing steel strip surface flows in the storage tank, steel cuttings is deposited in bottom of gullet, and liquid is drawn back recycling after filtering, like this, through the flushing of the cleaning of felt and cold water can with steel strip surface with batt polish smooth, steel strip surface can not left a trace yet.
(6) roughing, as aforementioned, wire rod is mounted on the tower rotatable uncoiler, after the uncoiling leveling, Rolling roller are aligned in the steel band introducing, through aligning, leveling and rolling after steel band under the effect of preceding pulling force, enter and scrub polishing step, described scrubbing is provided with abrasive material and polishing material in the polishing, and the cooling fluid of reusable edible is arranged, and carries out roughing, finish rolling operation then.
One embodiment of the present of invention are that 5 road milling trains are set, wherein, first, second and third road milling train is flat milling train, flat milling train of the present invention is meant the milling train that is used for to rolling wide surperficial two sides, and two rolls are up and down arranged in the described flat milling train, and steel band passes through between two rolls, so just can and make steel band with the steel strip surface pressing near final size, simultaneously, can regulate the distance between two rollers according to the thickness of required steel band.
The 4th road milling train is a steel band side milling train, steel band side milling train is meant and is used for the milling train of narrow surperficial two sides of rolling described steel band, as one of embodiments of the invention, can be with roll by axial horizontal positioned, send into milling train its two narrow side is rolled turning round steel band after turning 90 degrees; As an alternative embodiment of the invention, the roll of described steel band side milling train vertically can be placed, so just steel band need not be turned round and turn 90 degrees, the advantage of this mode is to have reduced to reverse the stress that brings, can avoid the glacing flatness of final products, help passing through of back processing, for example, punching out and cutting continuously.
The 5th road milling train is again flat rolling, and at first still steel band is rolled, and under the situation of selecting horizontal roller steel band side milling train for use, steel band can have been reversed again 90 degree so that carry out rolling.
In the present invention, at least one flat rolling adopted in roughing, and according to the gradually high sortord of 1-5 road rolling accuracy, one embodiment of the present of invention are 1,2,3 to roll for flat, and 4 for rolling the steel band side, and 5 is to put down to roll, and in the roughing process, only uses that the 1-3 road is rolling to get final product.
(7) rolling
Owing to need heat treatment through the steel band after the roughing, need deliver to the straight operation of smoothing through the steel band after the finish rolling and coil then, therefore need carry out the rolling in the operation.
As one embodiment of the present of invention, referring to accompanying drawing 7, described winder comprises a winch spool, two sides of winch spool are provided with two baffle plates 19, baffle plate 19 and tube axle can adopt the mode of single coiling (referring to accompanying drawing 10,11 and corresponding explanatory note) be connected and fixed, inserting roll shaft in the axis hole of winch spool can rotate winch spool 44 thereon freely, above the direction of winch spool side direction milling train, a directive wheel 15 is set, directive wheel 15 back (near winch spool 44 directions) are provided with a pair of wheel 17 of scrubbing, 42, scrub wheel 17, the 42nd, for the cold-rolling emulsion that adheres on the brushing steel band, scrub wheel 17,42 and directive wheel 15 be rotatably installed on the support 40, the parts that dotted line marks in the accompanying drawing 7, two holes also are set on the support 40, one of them is enclosed within on the sliding axle 41 slidably, another can be enclosed within on the screw rod 45 threadably movably, during use, the steel band that comes out in the flat milling train on directive wheel 15 and by two can be in the same way or the scrubbing between the wheel 42 and 17 of reverse rotation, coil into one on the axle coiling of winch spool 44 and roll up greatly.
Wherein, support 40 carries directive wheel 15 and scrubs wheel 17,42 and moves back and forth along sliding axle 41, describedly moves back and forth the internal thread that the positive and negative rotation that relies on screw rod 45 promotes the placement screw hole of support 40 and realizes.
The overall process of rolling has promptly been finished in the rotation rolling that moves back and forth and cooperate the winch spool of winder of directive wheel.
In fact, when aforesaid way is reeled, the steel band side when winch spool two ends are reeled of steel band is changeed, referring to accompanying drawing 12 and in conjunction with the accompanying drawings 7, in accompanying drawing 12,46 is last one milling train, 44 is winch spool, 15 is directive wheel, accompanying drawing 12b, b ' is the situation of directive wheel at winch spool two side ends, as can be seen, when directive wheel moved leftwards and rightwards, steel band will be to a direction warpage from accompanying drawing, the stressed meeting in side is introduced harmful stress to steel band, the introducing of these stress can cause the local dead line and the bending of steel band, the scythe line that these defectives form, twisted shape will cause the defective of final products, and serious will cause punching out, cut and to carry out continuously.
For this reason, one of solution that the present invention proposes is to strengthen winch spool and last distance between the milling train together, referring to accompanying drawing 12, steel band 8 can form a maximum angle α when the directive wheel side-to-side movement, through detecting, the α angle should be less than 45 degree, and preferably less than 25 degree, the best is 15 degree.Angle between the axis of the two adjacent steel bands of being reeled is lower than 15 degree, preferably is lower than 10 degree, is preferably lower than 6 degree.
As another solution of the present invention, referring to accompanying drawing 7,12, the support 40 at directive wheel 15 places is fixing, in the coiling axis hole 18 of winch spool 44, internal thread is set, but a screw rod insert is formed the mode of screw rod move left and right, so just can solve the side of the steel band that on directive wheel, forms in the scheme then the stress that brings, it is emphasized that, angle between the axis of the two adjacent steel bands of being reeled is lower than 15 degree, preferably is lower than 10 degree, is preferably lower than 6 degree.
(8) heat treatment, the whole volume of the steel band coiled sent in the high temperature furnace heat-treat, in stove, feed simultaneously hydrogen, steel band is carried out antirust processing, after Overheating Treatment and antirust processing, annealing again, after temperature in the stove reduces, steel coil strip is taken out from stove, carry out next step again, heat treatment is prior art, promptly, as long as propose specific targets, heat treated parameter can find in existing handbook, and Technology for Heating Processing machine parameter of the present invention is prior art, and they are introduced among the present invention and use.
(9) finish rolling, steel band after heat treatment is finished, need further rolling, that is, will be through roughing and the steel coil strip after heat-treating be enclosed within on the rotatable uncoiler of turriform, after the uncoiling, steel band is introduced in the aligning level(l)ing machine, described aligning level(l)ing machine all is made up of paired citation roller and correct roller, and described smoothing roll and leveling roller are mutually and are arranged vertically, and can carry out polishing through the steel band behind aligning and the leveling once more in the effect of preceding pulling force; Also can be only by and do not handle.
One embodiment of the present of invention, finish rolling are that g3, g4, the g5 milling train described in the accompanying drawing 2 that adopts carries out.
G3 milling train by accompanying drawing 2 is to put down to roll steel band passing through between two rolls up and down in flat milling train.
G4 milling train described in the accompanying drawing 2 is that roll the steel band side, one embodiment of the present of invention are, the steel band that from flat milling train, comes out, after quilt is turned round and is turn 90 degrees, its two sides enter between two rolls of steel band side milling train, roll carries out pressure rolling to the side of steel band, and described roll can be regulated the distance between them as required.
G5 milling train described in the accompanying drawing 2 is flat rolling, and according to the description of last joint to g4 mill milling mode, the steel band that comes out in the milling train of steel band side is turned round again to be turn 90 degrees and recover level.
(10) the smoothing direct sum is coiled, and also needs after the finish rolling steel band is aligned leveling, referring to accompanying drawing 8,9.
Wherein, accompanying drawing 8,9 is a kind of typical smoothing, straight device, and the smoothing that the present invention adopts, straight device are a kind of general device in the prior art, and described leveling apparatus is generally two groups of ganoid rolls, and two groups of rolls are parallel staggered relatively; Described coalignment is generally two groups of vertical rolls of placing, has the groove that is used for alignment on the body of roll, and the smoothing of above-mentioned prior art, straight device are introduced into the present invention and combined use.
To steel band align, behind the leveling, one of embodiments of the invention are to carry out the single-deck volume, so-called single-deck volume, be that steel band is reeled singlely, referring to accompanying drawing 10,11, the advantage of single coiling is that steel band is carried out punching out adds man-hour, for example, steel band is carried out punching and cuts the handle that forms window, can make steel band just can successfully enter the inlet of punching out cutting means by simple uncoiling.
The single device of coiling of the present invention can be referring to accompanying drawing 11, described device comprises a motor 30, motor 30 is fixed on the frame 29, motor is given output shaft 32 by decelerator 31 with transmission of power, output shaft and and coil axle 23 axis hole 26 and cooperate and peg graft, in described two sides coiling axle 23 plurality of fixed hole 25 is set, can be with two circular baffle plate 33,34 are fixed by bolts on two sides coiling axle 35 (23), coil on the axle 23 and be provided with at least two, decoherence for preventing single coiling in carrying or transportation, preferred four Wire channel in building 24 symmetrically, Wire channel in building 24 is a rectangle substantially, in circular baffle plate 33, have and coil the Wire channel in building 24 of axle on 23 Wire channel in building 36 one to one on 34 symmetrically, during use, motor 30 rotates, axle 35 (23) is coiled in drive, steel band 38 is in circular baffle plate 33,34 side retaining down, slowly and fitly be wound on and coil on the axle 23, circular baffle plate 33, the width of the Wire channel in building 36 on 34 equals to coil the width of Wire channel in building 24 on the axle 23 substantially, to the axis direction of coiling axle 23, circular baffle plate 33, the trench bottom of the Wire channel in building 36 on 34 is more concordant than the trench bottom of coiling the Wire channel in building 24 on the axle 23, or the axle center of approaching to coil axle 23 more, the maximum stack height of the steel band of being coiled 38 should be no more than the outer end of Wire channel in building 36, after coiling end, with the Wire channel in building 36 of strap from circular baffle plate 34, coil in axle 23 the Wire channel in building 24 and pass, pass and wear back and return to circular baffle plate 34 from the upper end of the Wire channel in building 36 of circular baffle plate 33 again from the Wire channel in building 36 of circular baffle plate 33 then by the Wire channel in building on the circular baffle plate 34 36, taking out stressed joint with baling press at last gets final product, described strap and baling press adopt prior art to adopt, so finished the process of one strap, after will steel band being tightened according to the quantity of Wire channel in building, unload circular baffle plate 34, the steel band 38 of rolling is taken off from coiling axle 35.
As one embodiment of the present of invention, at least one side (another side of motor side) of coiling axle 23 can be provided with the axis hole cooperation of a sleeve 27 and circular baffle plate 34, circular baffle plate 34 easily can be put sleeve 27 like this, rotate circular baffle plate 34 secured in alignment hole 25 easily.
As one embodiment of the present of invention, consider single coiling in the device, circular baffle plate 33 and coil axle 23 and generally do not dismantle, and circular baffle plate 34 is often dismantled, the axis hole of circular baffle plate 34 (from the motor far-end) and the sleeve 27 of coiling axle 23 accordingly can be carried out bolt in the mode of internal and external threads, like this, can easy disassembly.
Certainly, also can adopt the mode package of accompanying drawing 7 to become double or many rows form.
(11) tension-adjusting gear, because it is rolling that steel band production technology of the present invention relates to multiple tracks, reel, if tension force is unbalanced, the imbalance that can cause the stress of steel band length direction, this imbalance causes the inhomogeneous of steel band length quality, importantly, repeatedly rolling, behind the coiling, unbalanced stress will cause the stress of all directions of steel band unbalance, through rolling, after coiling and smoothing are straight, it is expendable not gentle straight to give the steel band length direction, therefore, the equilibrium of control tension force needs, as one embodiment of the present of invention, the present invention has adopted a kind of tonometry mechanism, survey tension mechanism of the present invention comprises that one measures roller 53, referring to accompanying drawing 14, in the accompanying drawing 14 51 is rolls of milling train, certainly, also can be that the wind-up roll of rolling or uncoiler etc. can clampings and control the parts of tension force, installation one weighing apparatus below described measurement roller 53, weighing apparatus can be mechanical, also can the formula electronic type, what be connected with weighing apparatus is a chromacoder, this device can convert the variation of weighing apparatus to the signal of telecommunication, during use, to measure roller 53 and hold out against steel band, its degree that holds out against is reacted by weighing apparatus, described fixed tight process is adjustable, at this moment just obtained a basic parameter P, the variation of the tension force of steel band, promptly relax or tensioning, can on weighing apparatus, react, after chromacoder converts described variation to the signal of telecommunication, can adjust, the method for adjustment is by a variety of, for example, increase or reduce the speed of preceding milling train or back mill rolls, perhaps regulate coiling speed or unreel speed etc., the parts that adopted among this embodiment of the present invention, chromacoder for example, weighing apparatus, adjusting device, what control device all adopted is product of the prior art, does not give unnecessary details one by one at this.
An embodiment of tension adjusting device of the present invention is, measuring roller 53 can move up and down, moving of this roller can be adopted screw rod or hydraulic lifting arm, the upper end of measuring roller 53 is higher than the horizontal plane of steel band, during use, when the tension force of steel band during greater than predetermined value, start elevating lever and reduce the position of measuring roller 53, make the tension recovery of steel band and reach predetermined value, when tension force is lower than preset value, can rises and measure the preset value that roller 53 makes the steel band tensioning and reaches tension force.
Another embodiment of tension adjusting device of the present invention is, referring to accompanying drawing 15a, 15b, one lever 60, lever is turned at trunnion axis 63 by a support 62 and supports, rotation described here is meant that whole lever is rotatable around trunnion axis 63 on a vertical plane, at an end of lever fixation measuring roller 53 rotationally, promptly, when steel band moves, frictional force can drive measures roller 53 rotations, measure roller 53 can with lever move up and down and lifting, one motor 55 also is set on the lever 60 is connected with decelerator 54 inputs, decelerator 54 outputs are connected with screw rod 56, and 57 is a slide block, slide block 57 has two holes, sliding eye 59 can make slide block 57 along lever 60 direction move left and right, and the internal thread of drive hole 58 and screw rod cooperate, and slide block is provided with conveniently detachable balancing weight 61 57 times, the top of measuring roller 53 steel band reach should be higher than when presetting tension force before and after roll (or other clamping devices) roll gap line, make steel band be the arc shaped of epirelief.
During use, adding balancing weight 61, and slide block 57 is transferred to the central authorities of mobile range, the tension force that presets that the weight of balancing weight 61 should be enough to make steel band formation epirelief arc shaped and reach steel band, can utilize weighing apparatus in accompanying drawing 14 and the respective description to obtain the variation of tension force, perhaps utilize the level meter that on lever, is provided with to obtain the running parameter of balance, convert thereof into the signal of telecommunication, control motor 55, decelerator 54, make screw rod 56 positive and negative rotations and make slide block 57 move left and right, thereby the lifting of regulating measurement roller 53 is to reach the purpose of tension adjustment, the upper end of measuring roller 53 is higher than the horizontal plane of steel band, during use, when the tension force of steel band during greater than predetermined value, start elevating lever and reduce the position of measuring roller 53, make the tension recovery of steel band and reach predetermined value, when tension force is lower than preset value, can rises and measure the preset value that roller 53 makes the steel band tensioning and reaches tension force.
(12) cold-rolling emulsion blow device
Because the existence of emulsion can form the emulsion spot and may cause the generation of rust staining, therefore, at the least significant end milling train, especially at the least significant end milling train after finish rolling output steel band before the winch spool, it is necessary that described steel band is carried out the emulsion purging, one embodiment of the present of invention are, referring to accompanying drawing 13, wherein, 48 is top and bottom rolls, the 49th, operating steel band, steel band moves along the arrow direction, shown in steel band up and down the symmetry x, the air that the y point is provided with the ejection of two nozzles respectively forms a fan type plane, the fan type angle on described fan type plane is γ, form angle β between fan type plane and the steel band plane, preferred 45 degree in wherein said β angle, preferred 40 degree in γ angle, during use, nozzle ejection air is at the purging of the formation up and down air-flow of steel band, simultaneously, because the continuous purging of the mobile and air-flow of steel band, surface at steel band forms the air-flow band, the purging efficient height of this mode, the clean-up performance height of final actual measurement.
(13) wide, measurer for thickness, the width of steel band of the present invention and thickness should be uniform, this quality to product has great significance, it is low that wide, the measurer for thickness that the present invention proposes a kind of electromechanical integration has a cost, characteristic of simple structure can overcome the defective of the measurement mechanism of prior art.
One embodiment of the present of invention are, referring to accompanying drawing 16, wherein, measure roller 65, measure roller 65 and connecting rod 69 at 66 places vertical and rotatable the connection, one support bar 74 is set between two connecting rods, rotatable connection on vertical plane between two ends of support bar 74 and the connecting rod 69, support bar 68 central authorities are provided with a bracket holes 68 so that support entire measuring device, support bar 74 by two parts by being threaded togather, by the part of rotation support bar 74, the length of retractable supports bar 74 is fixed with pressing plate 70 at the other end of connecting rod 69, fixation of sensor 71 between the pressing plate 70, for example, piezoelectric ceramics is provided with an extension spring 72 in order to regulate the preset value of sensor between support bar 74 and sensor 71.Certainly, according to well known to a person skilled in the art notion, these connections should be accurate.
During use, at first the standard thickness piece is put into two and measured between the rollers 65, regulate the length of support bar 74 and also regulate extension spring 72, make preset value that sensor reflects in the range of linearity of the best.
Steel band is passed two measure roller 65, when thickness or width change, variable in distance between the two measurement rollers will cause the variable in distance of connecting rod 69 other ends, thereby on sensor, reflect, convert changing value to the signal of telecommunication, certainly by sensor 71, also can convert the tabular value of pointer form by lever principle to, signal can be write down and exports, this mode rate of can obviously reducing the number of rejects and seconds is increased the benefit.
The described thickness of this embodiment, width measuring instrument also have an advantage to be, because support bar 74 is can be around fulcrum 68 rotations, therefore, when running into the length direction integrally bending, for example, scythe sigmoid but thickness or width do not change, do not indicate thickness or wide variety, because the scythe sigmoid can be repaired by smoothing, straight device, point out if desired, only need add a sensor and utilize it to record the support bar amplitude of fluctuation and get final product.
Claims (8)
1. cold rolling accurate super narrow steel strip preparation method and device thereof, it is characterized in that, preparation method of the present invention can be divided into uncoiling, welding, location, level is rolling with vertical rolling, scrub steps such as polishing, roughing, heat treatment, finish rolling, alignment smoothing, rolling, packing.
2. cold rolling accurate super narrow steel strip preparation method according to claim 1 and device thereof is characterized in that, first, second and third road is flat seizing in the roughing process, and the 4th road is that roll the side, and the 5th road is flat seizing, also can only adopt flat together rolling.
3. cold rolling accurate super narrow steel strip preparation method according to claim 1 and device thereof is characterized in that, comprise a directive wheel in the rolling step, during described directive wheel side-to-side movement and steel band form a maximum angle α, the α angle should be less than 45 degree, and preferably less than 25 degree, the best is 15 degree.
4. cold rolling accurate super narrow steel strip preparation method according to claim 1 and device thereof is characterized in that, are the modes that single-deck is reeled what coil the step employing.
5. cold rolling accurate super narrow steel strip preparation method and device thereof, preparation facilities among the present invention has uncoiler (a), positioner (b), leveling apparatus (c), coalignment (d), milling train (g), the winder (h) that connects successively, it is characterized in that, between leveling apparatus (c), coalignment (d) and milling train (g), be provided with tension-adjusting gear, milling train (g) afterwards winder (h) be provided with the cold-rolling emulsion blow device before, (h) is provided with wide, measurer for thickness before at winder.
6. cold rolling accurate super narrow steel strip preparation method according to claim 5 and device thereof is characterized in that, described tension-adjusting gear comprises that one measures running roller (53), installation one weighing apparatus below measuring running roller (53).
7. cold rolling accurate super narrow steel strip preparation method according to claim 5 and device thereof, it is characterized in that, described cold-rolling emulsion blow device is at symmetrical up and down X, the Y point of steel band two nozzles to be set respectively, and the air that sprays from nozzle forms a fan-shaped plan.
8. cold rolling accurate super narrow steel strip preparation method according to claim 5 and device thereof, it is characterized in that, described wide, measurer for thickness includes up and down two and measures running roller (65), connecting rod, pressing plate (70), support bar (74), with measure that running roller (65) is rotatably connected be connecting rod (66), be connecting rod (69) with pressing plate (70) is fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02120917 CN1212202C (en) | 2002-06-05 | 2002-06-05 | Process for the manufacture of cold rolling accurate super narrow steel strip and apparatus thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02120917 CN1212202C (en) | 2002-06-05 | 2002-06-05 | Process for the manufacture of cold rolling accurate super narrow steel strip and apparatus thereof |
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| CN1463807A true CN1463807A (en) | 2003-12-31 |
| CN1212202C CN1212202C (en) | 2005-07-27 |
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| CN 02120917 Expired - Fee Related CN1212202C (en) | 2002-06-05 | 2002-06-05 | Process for the manufacture of cold rolling accurate super narrow steel strip and apparatus thereof |
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| CN110369508A (en) * | 2019-07-20 | 2019-10-25 | 张辰星 | A kind of stainless steel band apparatus for cold rolling |
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