CN102665950B - Skew prevention device for slit band plates - Google Patents
Skew prevention device for slit band plates Download PDFInfo
- Publication number
- CN102665950B CN102665950B CN201080058669.6A CN201080058669A CN102665950B CN 102665950 B CN102665950 B CN 102665950B CN 201080058669 A CN201080058669 A CN 201080058669A CN 102665950 B CN102665950 B CN 102665950B
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- Prior art keywords
- band plate
- guiding piece
- roll
- cutting
- 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
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/14—Guiding, positioning or aligning work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
- B21B39/08—Braking or tensioning arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/006—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only winding-up or winding-off several parallel metal bands
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/26—Special arrangements with regard to simultaneous or subsequent treatment of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
- B21B2015/0021—Cutting or shearing the product in the rolling direction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0057—Coiling the rolled product
Abstract
Without damaging the edges of the band plates or using a complicated control system, the disclosed skew prevention device can stabilize post-slitting band plates in the center of a conveyor and also makes it possible to stabilize unstable plate movement such as back-end-first plate movement after sectioning. Said skew prevention device for slit band plates runs slit band plates (S1 and S2) through a pinch roller which has: a lower roller (12) that supports the bottom surfaces of the slit band plates; and an upper roller (11) which contacts the upper surfaces of the slit band plates and is segmented in the width direction of the plates so as to be able to move the slit band plates towards the center of the conveyor by outside-only pressure or an inwards skew angle. The conveyor-center-side edge regions of the slit band plates are clamped between the aforementioned lower roller and either the segmented upper roller or a center roller (2) provided near the conveyor-center-side segmentation edge of the segmented upper roller. The pinch roller is provided with a center guide (1) that guides the conveyor-center-side edges of the slit band plates restrained by the aforementioned clamping.
Description
Technical field
The present invention relates to and cut band plate (through the band plate of cutting, also refer to cut material) the anti-locking apparatus that crawls, in detail, relate in order to crawling of inhibition zone plate and carry out stable logical plate, and stably carrying out by suppressing the winding of band plate to depart from the used anti-locking apparatus that crawls of cutting band plate that reels.
Background technology
The present invention particularly plays effect at the front end of the band plate of tension force reduction, tail end.As the situation that tension force reduces, following example etc. can be enumerated: in the hot rolling circuit of steel band, on the conveying bench roller from finishing mill to up-coiler, the front end of steel band arrive before up-coiler or the tail end of steel band by finishing mill after etc. in situation tension force can reduce; And in the cold rolling circuit, continuous processing line road of steel band, when shearing disconnected by steel band before the winding of roll of steel plate closes to an end, tension force can reduce.As application band plate of the present invention, the plastic sheeting of the metal tapes such as steel band, sheet compares and meets.
Below, the contact portion of the so-called clamping part roller (also comprising nip roll) referring to conveying and the band plate passed through.Further, so-called angle of deviation refers to relative to band sheet conveying direction toward the outer side or the roller angle of inclination that is obliquely installed, inner side, situation is toward the outer side called outside angle of deviation, the situation (with reference to Fig. 3) towards inner side is called toe-in angle.
When requiring more narrow band plate, configure cutting machine at the approaching side of the up-coiler recoiling circuit, on plate width direction, segmentation is rolled the band plate for wide cut and is wound into band plate web-like respectively.Cut the relevant background technology of circuit as to this type of, there is following technology.
(1) based on the technology (patent document 1) of separator disk
This technology is: by the wide end of plate of band plate S utilizing end face cutter to trim to be transferred, cutting machine is utilized to cut off at the wide central portion of plate, thus be divided into two to cut material S1, S2 above-mentioned band plate S, utilize separator disk to guarantee to cut gap, and utilize a winder winding around cutting material S1, S2 via rectification roll.
(2) based on the technology of guidance unit
In hot rolling circuit, on the conveying bench roller from finishing mill to up-coiler, after passing through finishing mill at the tail end of steel band, occur that the tail end of steel band is uneven or to crawl so logical plate wild effect along plate width direction because tension force disappears, therefore, in order to suppress this situation, use the guidance units such as end face guiding piece.Equally, even if in general logical printed line road, in order to heart position keeps the tail end of band plate in the line, also take to utilize the guidance units such as end face guiding piece to carry out forcing the method for restriction.
(3) control based on EPC(marginal position; Edge Position Control) technology (patent document 1) of device
This technology utilizes two up-coilers to reel separately two and cuts material S1, S2, by the position utilizing edge sensor to detect the wide end of the plate of cutting material S1, S2 (edge part) be about to before winding respectively, according to the amount of movement of edge part, the wireline reel of each up-coiler is moved respectively along plate width direction, gap is cut in adjustment, can realize the high speed of circuit thus.
(4) based on the technology (patent document 1) of tilting roller
This technology arranges a up-coiler, by while the angle of deviation of cutting the lateral tilting cross roll that material S1, S2 abut respectively with two is set to left and right equal angular while change this angle of deviation, adjust thus, keep cutting gap, to make the detected value of cutting clearance detector reach desired value, obtain the good winding attitude of justified margin.
(5) based on can the technology (patent document 2) of nip roll of one end pressure adjustment
This technology, between cutting machine and tension reel (up-coiler), is cut material to many and is arranged respectively and can depress the nip roll adjusted in one end, cutting material by the pressure adjustment of this one end away from the direction of wire center is corrected.Thus, when carrying out one end pressure (part pressure) to the circuit center side of respectively cutting material, to the direction effect turning moment of cutting gap enlargement.
Patent document 1: Japanese Unexamined Patent Publication 3-5017 publication
Patent document 2: Japanese Unexamined Patent Publication 10-230319 publication
In background technology (1), according to the character of plate of cutting material S1, S2, when cutting gap change, cannot be adjusted fully by separator disk, if cut space loss, then form the separated dish pressing in the plate end of cutting the two ends in gap and be out of shape, if cut gap widens, then can overlap the unfavorable condition of winding, the irregular of edge etc., therefore cannot improve line speed, also must operate under the low speed.Further, in separator disk, cut the state of material owing to not being in supportings such as utilizing roller, if therefore form the plate end of cutting the two ends in gap to encounter separator disk, then cutting material can bend along the vertical direction, thus damages described plate end.
In background technology 2, produce edge damage because of the contact with guidance units such as end face guiding pieces in the wide end of plate.As shown in Figure 2 (a) shows, due to the roller spacing middle (in the middle of clamping part) that end face guiding piece SG is inserted into conveying roller 10, therefore, do not supporting the contact width part of band plate S, easily damaging the wide end of plate.Therefore, when utilizing end face guiding piece to limit band plate, needing to carry out corresponding tram wide with plate and controlling.Particularly when thickness of slab is thinner, need the control carrying out correct pressing force.
According to the above description, the utilize line width direction position control of band plate such in background technology (3) ~ (5) suppresses to reel in the method that departs from, there is following problem.
Control objectives can be produced depart from the position of actual width because of the time difference be from upstream between downstream.
System becomes complicated because of the control of necessity.
Even if winding time is steadily stablized, what the shearing becoming band coiled sheet most peripheral portion after winding was had no progeny cuts material tail end, and the tension force of cutting material also can disappear, thus action is unstable, therefore sometimes cannot use existing EPC device, tilting roller.
When the low-tension that the tail end after putting on cut-out is such, even if detect the panel edges of upstream and carry out EPC, the tail end self of cutting material is also because tension reel axle to move and an identical in the same way plate width direction moves along plate width direction, therefore the form of continuously catching up with panel edges is formed, the width diffusing to reel moves the limit, and winding becomes unstable.
The destabilizing factor had due to nip roll plays a role, and the clearance control of cutting therefore depressed based on described one end is also difficult to become easy control.
Namely, in the introduction, in order to not damage the edge of band plate, or in order to not use complicated control system, there is the problem waiting as follows to solve, that is: the band plate after cutting cannot be made to stablize in conveying circuit center side, and, tail end after severance by time and so on non-stationary lead to plate time, be difficult to carry out stable logical plate.
Summary of the invention
In order to solve described problem, the present invention proposes the method that use does not relate to the anti-locking mechanism that crawls of the structure (mechanical type) from external control.In the present invention, the adjustment that its object is to the anti-locking mechanism that crawls being formed as (mechanical type) in structure is also comparatively easy to structure, and for cutting material and common material (band plate of non-slitting) both sides use this anti-locking mechanism that crawls, can automatically or easily can perform the switching of its occupation mode.
That is, primary structure of the present invention is as described below.
The anti-locking apparatus that crawls of ［ 1 ］ cutting band plate utilizes nip roll to make to cut band plate to pass through, described cut band plate be by conveying circuit, the band plate of an overall with is cut into two and formed, described nip roll has: the lower roll of cutting the lower surface of band plate described in supporting; And top roll, this top roll abuts with described upper surface of cutting band plate, and divided on plate width direction, to be depressed or toe-in angle and to cut band plate described in making close to circuit center side with this by lateral ends,
The central roller utilizing the top roll of described lower roll and described segmentation or utilize described lower roll and divide the circuit central portion side near cut node to arrange at the top roll of described segmentation, cuts the circuit center side adjacent edges of band plate described in clamping,
The described anti-locking apparatus that crawls of cutting band plate is provided with central guiding piece, and this central guiding piece guides the circuit center side edge of cutting band plate described in confined by this clamping.
In addition, herein, the pressure of so-called lateral ends refers to, the pressure that applies outside the circuit of plate width direction (part pressure or bias voltage inferior).
［ 2 ］ on the basis of preceding paragraph ［ 1 ］, the feature of cutting the anti-locking apparatus that crawls of band plate is, described central guiding piece is set to free to advance or retreat, described cut band plate pass through time, described central guiding piece declines until the contact position that contacts with described lower roll, cut the circuit center side edge of band plate described in guiding, the band plate of described overall with without cutting by time, described central guiding piece is kept out of the way to the upper surface of the band plate of described overall with.
［ 3 ］ on the basis of preceding paragraph ［ 2 ］, the feature of cutting the anti-locking apparatus that crawls of band plate is, the guide rod that user is shaft-like or discoid boot disk are as described central guiding piece.
［ 4 ］ on the basis of preceding paragraph ［ 2 ］, the feature of cutting the anti-locking apparatus that crawls of band plate is, uses the dish roller of the discoid large footpath boot disk with the external diameter of the roller diameter of the top roll being greater than described segmentation or the band ladder making this large footpath boot disk integrated with described central roller and formed as described central guiding piece.
［ 5 ］ on the basis of preceding paragraph ［ 2 ］, the feature of cutting the anti-locking apparatus that crawls of band plate is, uses guided rings as described central guiding piece, and this guided rings is formed by making ring carry out loosening chimeric in the mode moved up and down freely.
［ 6 ］ on the basis any one of preceding paragraph ［ 1 ］ ~ ［ 5 ］, the feature of cutting the anti-locking apparatus that crawls of band plate is, the lower roll in the nip roll being provided with described central guiding piece, and arranging can for the guiding piece dump tank portion of described central guiding piece turnover.
According to the present invention, in the conveying circuit of cutting band plate, do not need to detect and revise the height response of crawling such, high-precision FEEDBACK CONTROL, and can utilize simple apparatus structure that the band plate after cutting is stablized in conveying circuit center side.Owing to being cut the guiding piece cutting off end face side for central guiding piece of the present invention, therefore, do not need corresponding position control etc. wide with plate yet.Further, due to be positioned at utilize up-down rollers to clamp clamping part and/or clamping part near band panel edges guide, therefore, it is possible to easily guarantee plate rigidity, be difficult to produce the edge damage of plate.In described FEEDBACK CONTROL, though logical plate stabilisation comparatively difficulty that is cutter shear after tail end by time such non-stationary lead to plate time, the present invention also can easily and stably logical plate.Further, can make to cut material and common material both sides pass through, its switching is also comparatively easy.
Accompanying drawing explanation
Fig. 1 is the concise and to the point front view (throughput direction is the direction from paper rear side towards paper face side) that basic conception of the present invention is shown by an example of the present invention.
Fig. 2 illustrates the brief perspective views of action effect of the present invention by comparing with conventional example.
Fig. 3 is the schematic top of the definition that toe-in angle is shown.
Fig. 4 is the concise and to the point front view (throughput direction is the direction from paper rear side towards paper face side) of another example (using an example of the mode of central roller) that the present invention ［ 1 ］ is shown.
Fig. 5 is the nip roll pressure of the example that the experiments of measuring data of crawling employing model equipment are shown and the timetable of detector output of crawling.
Fig. 6 illustrates to use guide rod as the brief perspective views of embodiment of the present invention during central guiding piece and concise and to the point front view.
Fig. 7 illustrates to use boot disk as the brief perspective views of the embodiment of the present invention of central guiding piece and concise and to the point front view.
Fig. 8 illustrates to use large footpath boot disk or band ladder dish roller as the brief perspective views of the embodiment of the present invention of central guiding piece and concise and to the point front view.
Fig. 9 illustrates to use guided rings as the brief perspective views of the embodiment of the present invention of central guiding piece and concise and to the point front view.
Figure 10 illustrates to be arranged at the concise and to the point front view of the embodiment of the present invention of lower roll (when (a) figure passes through for cutting material for the guiding piece dump tank portion of central guiding piece turnover, b () figure is that when (not cutting) material passes through usually, throughput direction is the direction from paper rear side towards paper face side).
Figure 11 be the anti-locking apparatus that crawls that embodiment 1 is shown brief perspective views ((a) figure for cut material by time, (b) figure is usually that (not cutting) material is when passing through).
Figure 12 be the anti-locking apparatus that crawls that embodiment 2 is shown brief perspective views ((a) figure for cut material by time, (b) figure is usually that (not cutting) material is when passing through).
Figure 13 is the concise and to the point front view (throughput direction is the direction from paper rear side towards paper face side) that the preferred embodiment that lateral ends is depressed is shown.
Figure 14 is the diagrammatic cross-sectional view illustrated near clamping part.
Figure 15 is the diagrammatic cross-sectional view of an example of the pressing mechanism that central guiding piece is shown.
Figure 16 is the diagrammatic cross-sectional view of the preferred embodiment that central guiding piece is shown.
Detailed description of the invention
Basic conception of the present invention is as described below.
Do not control (FEEDBACK CONTROL) cutting crawling of material (cut band plate, be called for short plate), but make to cut material structurally (mechanically) close circuit center side.As making to cut the material method of (mechanical) in the structure of circuit center side respectively, adopt with the following method: the top roll splitting nip roll on plate width direction, make each roll forming after this segmentation become outside pressure width and be greater than the method that the roller (i.e. lateral ends pressure) of the band ladder of width is depressed in inner side; Or each roller after described segmentation inwards to be tilted the method at (i.e. toe-in angle) from band sheet conveying direction.Depress according to lateral ends, for the frictional force between nip roll and band plate, the frictional force of pressure part, outside is larger than the frictional force of inner side pressure part, therefore produce and make to cut the moment of material for rotating to circuit center side, thus make to cut material structurally (mechanically) close circuit center side.Further, according to toe-in angle, cut material owing to being passed to towards the roller peripheral speed composition inside circuit, therefore cut material structurally (mechanically) close circuit central authorities (i.e. centralized centering).
In the logical plate using existing roller, stabilising direction changes gradually because of the entry angle etc. of band plate, thus produces and crawl, and must adjust, but in the present invention, owing to making roller uneven along one direction energetically, therefore not need small adjustment.
On the other hand, near circuit center side cut material centre portion settling position in the line, need to prevent overlap, therefore, the central guiding piece of band plate be set.The position of central guiding piece is set, in the clamping part being set to nip roll and/or near clamping part., refer near so-called clamping part herein, at roll shaft normal surface Nei Conggun center towards the sight line in plate face relative to the scope in plate face within ± 30 ° of the angle of vertical line.That is, as shown in figure 14, refer near clamping part, relative to the direct of travel of band plate S1, S2, with roller center for benchmark, the upstream side in the plate face of angle within ± 30 ° and the scope in downstream.Feature of the present invention is, to arrange near the clamping part and/or clamping part that are positioned at and utilize up-down rollers to clamp and the central guiding piece that the panel edges under the very high state of plate rigidity is limited, even if bear reaction force near central guiding piece from central guiding piece to make cutting material, plate also can not be out of shape.
That is, in the present invention, about situation about depressing based on lateral ends, as shown in Fig. 1 (a), about the situation based on toe-in angle, as shown in Fig. 1 (b), adopt following structure: make roller uneven energetically, thus, applying to the close external force F of circuit center side to cutting material, utilizing central guiding piece 1 carrying be arranged near circuit central authorities to overcome the reaction force of this external force F.Further, as shown in Figure 3, although determine the toe-in angle applying external force F by taking into account depressing force, 10 ° ~ about 30 ° are preferably.In the present invention, the end face guiding piece that the circuit outer ledge of existing plate is guided can not also be used.
Such as shown in Fig. 2, if use end face guiding piece SG, then occur between clamping part and next clamping part, the situation of edge damage (Fig. 2 (a)) is produced in the width end of band plate S1, on the other hand, according to be arranged at be arranged in example of the present invention clamping part and/or clamping part near the central guiding piece 1 of circuit center side of panel edges, due to band plate S1, S2 is clamped by the top roll 11 of nip roll and lower roll 12, plate rigidity is very high, band plate can not be made a concession in the vertical direction or surrender, therefore, edge damage (Fig. 2 (b)) can not be produced in the end of central guiding piece 1 side.In addition, though described central guiding piece is in clamping part and/or near clamping part among, also can limit the panel edges being positioned at clamping part, obtain higher plate rigidity, thus this is preferred.
According to above-mentioned basic conception, in the conveying circuit (or also referred to as cutting circuit) of cutting band plate, simple apparatus structure can be utilized when not damaging the edge of band plate, band plate after cutting is stablized in conveying circuit center side, and, even if when such non-stationary leads to plate when tail end after severance leads to plate, logical plate also easily can be stablized.
Make the device of the form shown in Fig. 1 (a), band plate is passed through in the both sides of central guiding piece, now, implement nip roll pressure action, utilize the detector that crawls sending the band plate both sides of side (winder) being arranged at nip roll to measure the action of crawling of band plate.One example of its result has been shown in Fig. 5.Snakelike detector according to this figure exports chart, obviously, by nip roll (PR) pressure, the logical plate sending side (winder) is stablized.Further, known pressure by nip roll and make band plate centralized.
Feature based on the present invention ［ 1 ］ of above-mentioned basic conception is, such as shown in Fig. 1, the anti-locking apparatus that crawls of cutting band plate utilizes nip roll to make to be cut into by the band plate of overall with in conveying circuit two and band plate S1, S2 of being formed pass through, and described nip roll has: the lower roll 12 supporting the lower surface of described band plate S1, S2; And top roll 11, this top roll 11 abuts with described upper surface of cutting band plate S1, S2, and it is divided on plate width direction, band plate S1, S2 is cut close towards circuit center side described in being made by lateral ends pressure (Fig. 1 (a)) or toe-in angle (Fig. 1 (b)) with this, described lower roll 12 is utilized to clamp described circuit center side adjacent edges of cutting band plate S1, S2 with the top roll 11 of described segmentation, and be provided with central guiding piece 1, this central guiding piece 1 be guided through this clamping and confined described in cut the circuit center side edge of band plate S1, S2.
The top roll of described nip roll, when lateral ends is depressed, in order to clamp the circuit center side edge of cutting band plate S1, S2, can arrange central abutting part in the circuit center side of top roll.Central authorities' abutting part is different from described lateral ends depression, as long as suppress the tilting at the edge of band plate, therefore the roller external diameter of central abutting part can below the roller external diameter of lateral ends depression.Further, central abutting part contact width can be set to less than 1/2 of one end pressure contact width of lateral ends depression, is preferably set to the contact width of less than 1/4.Thus, the depressing force of central abutting part is less than lateral ends depression, can make to cut band plate near circuit center side.
In addition, it is preferable that, the central abutting part of top roll 11 is pressed into the circuit center side marginal end portion of band plate S1, S2, and the position of pressing is better the closer to marginal end portion.But, due to the relation of the curvature of the restriction arranged of top roll 11, the central abutting part end of top roll 11, sometimes do not abut to marginal end portion.In this case, remain in the scope in elasticity territory at the deflection of panel edges, press the adjacent edges away from marginal end portion.Specifically, as the scope of described adjacent edges, can expect allowing center side marginal end portion to be separated the position of about 10mm to the inner side of cutting band plate S1, S2.That is, make the central abutting part of top roll 11 in following position with the mode of clamping with cut band plate S1, S2 and contact, the position of to be this center side end from the center side edge of cutting band plate S1, S2 towards inner side depart from this position about 10mm.
Further, in order to ensure intensity, the width of central guiding piece is set to below the gap between the plate of cutting material expanded by cutting.
When the top roll of described nip roll is formed as toe-in angle, makes the pressure of the top roll after lower roll and deflection point be in circuit center side on lower roll axis, the circuit center side edge of cutting band plate can be clamped in the same manner as described central abutting part thus.
And, such as shown in Fig. 4, the present invention ［ 1 ］ can be formed as, the anti-locking apparatus that crawls of cutting band plate utilizes nip roll to make to be cut into by the band plate of overall with in conveying circuit two and band plate S1, S2 of being formed pass through, and described nip roll has: the lower roll 12 supporting the lower surface of described band plate S1, S2, and top roll 11, this top roll 11 cuts band plate S1 with described, the upper surface of S2 abuts, and it is divided on plate width direction, with this by lateral ends pressure (Fig. 4 (a)) or toe-in angle (Fig. 4 (b)) make described in cut band plate S1, S2 is close towards circuit center side, the central roller 2 utilizing described lower roll 12 and the circuit central portion side near point cut node of the top roll 11 of described segmentation to possess cuts band plate S1 to described, the circuit center side adjacent edges of S2 clamps, and be provided with central guiding piece 1, this central guiding piece 1 be guided through this clamping and confined described in cut band plate S1, the circuit center side edge of S2.
When there is described central roller, utilizing central roller to clamp and cutting the circuit center side edge of band plate, the central abutting part of top roll when therefore carrying out lateral ends pressure without the need to the top roll of described nip roll.Further, the pressure point of the lower roll when top roll of described nip roll defines toe-in angle and the top roll after deflection, can be in the circuit center side on lower roll axis, the either side in outside.When there is described central roller, owing to utilizing central roller 2 and lower roll 12 to clamp the circuit center side edge of cutting band plate, therefore only consider to be set to that the segmentation top roll of nip roll makes to cut band plate near circuit center side.Now, central roller can not hinder the centralized power of segmentation top roll.Such as, if central roller is identical with the contact width of top roll, then the depressing force of central roller is set to less than 1/2 of the depressing force of segmentation top roll, is preferably set to less than 1/4.Further, if central roller is identical with the depressing force of top roll, then the contact width of central roller is set to less than 1/2 of the depressing force of segmentation top roll, is preferably set to less than 1/4.That is, for respectively cutting band plate S1, S2, in the scope can not floated at the circuit center side edge of cutting band plate that should be clamped by central roller, adjustment contact width, depressing force, make central roller towards the reaction force outside plate width direction relative to segmentation top roll centralized power F below 1/4.The top roll of nip roll and central roller play a role to make adjustment width expansion respectively, can carry out suitable setting respectively.
Because two are cut band plate and are not limited to equal wide, therefore gap between the two may not necessarily tend to wire center.The position, line width direction of cutting machine is depended in position due to described gap, therefore makes to arrange the position, line width direction of described central guiding piece and the line width direction position consistency of cutting machine.The top roll of the nip roll split in the direction of the width, also can move accordingly with the asynchronous outer ledge of cutting band plate of width, thus can produce stable centralized power.Thereby, it is possible to carry out two volume production to the wide different band plate of cutting of plate simultaneously.
In addition, as nip roll used in the present invention, be not limited to two and cut band plate respectively in the mode that the both sides of described central guiding piece are passed through, also can be only have two cut in material any one only in the one-sided arbitrarily mode passed through of the both sides of described central guiding piece.Such as, in FIG, even only cut material S1 by and the nip roll of cutting under the form that material S2 do not pass through, also can use in the present invention.In addition, without the need to making the plate end after the cutting of Fig. 1 corresponding with outside one end depression width of nip roll.
But, in the conveying circuit of cutting band plate, not only there is the type (being conveniently called type i) only making to cut band plate and pass through, also exist the overall with band plate (common material) that makes to cut band plate and non-slitting alternately through type (being conveniently called Type II).When type i, although the pattern that arranges of described central guiding piece can be fixed, but when Type II, can not adopt fixed, and make its (formula free to advance or retreat) free to advance or retreat, the following structure of preferred employing: when making to cut band plate and passing through, described central guiding piece drops to the height and position of described lower roll upper end, guide the circuit center side edge of cutting band plate, make with the form of not cutting common material by time, described central guiding piece is kept out of the way (corresponding with the present invention ［ 2 ］) to the upper surface of common material.In addition, if consider logical printed line road variation etc., the height and position that the lower end of described central guiding piece drops to described lower roll upper end is reliable at guide edge this respect.But, when being arranged at the circuit that logical printed line road does not almost change, as long as declining to the height and position of described roller upper end from described upper surface of cutting material.
Fig. 6 ~ Fig. 9 shows the concrete example of above-mentioned central guiding piece.In these stereograms, the not shown throughput direction of cutting band plate is the direction from the left side of figure towards right side.Further, in these front views, the not shown throughput direction of cutting band plate is the direction from the inboard of paper towards face side.
Fig. 6 is guide rod 13 that user the is shaft-like example as central guiding piece.Although the guide rod 13 of this example is formula free to advance or retreat (corresponding with the guide rod in the present invention ［ 3 ］), can according to circumstances be arranged to fixed.In addition, in figure 6, Fig. 6 (a) shows the form that there is not the central roller independent of nip roll when depressing based on lateral ends, Fig. 6 (b) shows when based on the form that there is not the central roller independent of nip roll when toe-in angle, Fig. 6 (c) shows the form when depressing based on lateral ends with central roller, and Fig. 6 (d) shows when based on form when toe-in angle with central roller.
Fig. 7 uses discoid boot disk 14 as the example of central guiding piece.Although the boot disk 14 of this example is formula free to advance or retreat (corresponding with the guide rod in the present invention ［ 3 ］), can according to circumstances be arranged to fixed.In addition, in the figure 7, Fig. 7 (a) shows the form that there is not the central roller independent of nip roll when depressing based on lateral ends, Fig. 7 (b) shows when based on the form that there is not the central roller independent of nip roll when toe-in angle, Fig. 7 (c) shows the form when depressing based on lateral ends with central roller, and Fig. 7 (d) shows when based on form when toe-in angle with central roller.
Fig. 8 uses the large footpath boot disk 15 with the cylindrical plate-like of the external diameter of the roller diameter of the top roll 11 being greater than described segmentation or the example of dish roller 16 as central guiding piece making this large footpath boot disk 15 and the band ladder of the integrated gained of described central roller 2.Although the dish roller 16 of the large footpath boot disk 15 of this example and band ladder is all formulas free to advance or retreat (corresponding with the present invention ［ 4 ］), can according to circumstances wherein one or both be arranged to fixed.In addition, in fig. 8, Fig. 8 (a) shows the form that there is not the central roller independent of nip roll when depressing based on lateral ends, Fig. 8 (b) shows when based on the form that there is not the central roller independent of nip roll when toe-in angle, Fig. 8 (c) shows the form when depressing based on lateral ends with central roller, and Fig. 8 (d) shows when based on form when toe-in angle with central roller.
And, described central guiding piece can decline because of the deadweight of central guiding piece one, or can carry out energetically depressing by the pressing mechanism etc. pressing central guiding piece 1 from upside downward and described central guiding piece be declined, such as shown in Figure 15, following pressing mechanism can be utilized: in the leading section of cylinder 40, little roller 41 is installed, press the top of guided rings 17 or boot disk (not shown Figure 15) from upside downward.But, be set to when enable common material S by time produce and do not make the upper surface of common material deform or the pressing mechanism of pressing force of flaw.And then, such as shown in Figure 16, preferably, consider the situation that the most peripheral of central guiding piece 1 contacts with common material S and the most peripheral of central guiding piece 1 be set as the elastomer of or rubber identical with top roll material etc., and the side of central guiding piece 1 with the EDGE CONTACT of cutting material S1, S2 is set to the high anti-abrasive material of hardness.
In addition, although do not carry out particular determination to the edge of band plate and the position relationship at roller edge, be preferably, under roller side is the situations such as rubber, when considering the wearing and tearing of the rubber because being with the overlap etc. of panel edges to cause, roller edge is positioned at the inner side of band panel edges all the time.
Fig. 9 utilizes ring to be loosened be fitted together to into move up and down the example of guided rings 17 freely as (corresponding with the present invention ［ 5 ］) of the formula free to advance or retreat of central guiding piece.For the axle making guided rings 17 loosen chimeric ring bearing, it suitably can be arranged at the gap between a side of the top roll after segmentation 11 and the opposing party.In addition, in fig .9, Fig. 9 (a) shows the form that there is not the central roller independent of nip roll when depressing based on lateral ends, Fig. 9 (b) shows when based on the form that there is not the central roller independent of nip roll when toe-in angle, Fig. 9 (c) shows the form when depressing based on lateral ends with central roller, and Fig. 9 (d) shows when based on form when toe-in angle with central roller.
And, in the present invention, more stable from the view point of the boot state making described central guiding piece to the circuit center side edge of cutting material, following form can be configured to: the lower roll in the nip roll being provided with described central guiding piece, the guiding piece dump tank portion (corresponding with the present invention ［ 6 ］) making described central guiding piece turnover is set.One example of this form has been shown in Figure 10.In this embodiment, the eseparation ring 1E of the form similar with the dish roller 16 of described band ladder is utilized to form central guiding piece.Guiding piece dump tank portion 12U receives the bottom (longitudinal end) of eseparation ring 1E, thus limits rocking of the line width direction of separator disk 1E, therefore cuts the boot state stabilisation more at the circuit center side edge of material.In addition, guiding piece dump tank portion 12U can be made to have at its groove entrance corner part the taper or circular arc that extend out, thus, as long as the plate end of cutting material does not enter this groove portion, then the central guiding piece of eseparation ring 1E etc. is convenient to enter this groove portion, and can not give common material by bringing obstacle.
［ embodiment 1 ］
The objective for implementation of embodiment 1 be cold-rolled steel sheet cut circuit.As shown in Figure 11 (a) shows, this cuts railway superstructures, make in the downstream of cutter 20 two to cut material S1, S2 respectively by first, second local derviation nip roll 21,22, throughput direction is become downwards from horizontal direction, utilize first, second tension reel 31,32 to reel.In addition, although cut material S2 before entering the second local derviation nip roll 22, and cut material S1 in parallel through the first local derviation nip roll 21, in this position, the throughput direction of cutting material S2 keeps horizontal direction.Cut in circuit at this, as shown in Figure 11 (b), sometimes also make common material S pass through, to be used alternatingly the equipment chain of the first local derviation nip roll 21, first tension reel 31, the mode of the equipment chain of the second local derviation nip roll 22, second tension reel 32 reels.In the past, first, second local derviation nip roll 21,22 and up-down rollers all used plain-barreled roll.
In embodiment 1, first, second local derviation nip roll 21,22 is set to the form with the homomorphosis shown in Fig. 9 (a).Namely, be formed as splitting top roll 11 and carry out centralized form by lateral ends pressure, use guided rings 17 as described central guiding piece, make ring and a side of top roll 11 is after singulation set and the axle that the roller in the gap between the opposing party support is loosening chimericly becomes to move up and down freely, form this guided rings 17 thus.In the first local derviation nip roll 21, because of lateral ends pressure, near circuit center side, the panel edges utilizing guided rings 17 close to this guides jointly to cut material S1, S2.In the second local derviation nip roll 22, what become monomer after the first local derviation nip roll 21 by means of only its upstream cuts material S2 because lateral ends depresses near circuit central authorities, and the panel edges utilizing guided rings 17 close to this guides.
When common material S passes through, guided rings 17 is kept out of the way from trend plate upper surface side.
In addition, just can be crawled fully preventing effectiveness although only apply the present invention to the first local derviation nip roll 21, as described in Example 1, if also apply the present invention to the second local derviation nip roll 22, then this effect increases further.
［ embodiment 2 ］
The objective for implementation of embodiment 2 identical with the objective for implementation of embodiment 1 cuts circuit.The embodiment of embodiment 2 has been shown in Figure 12.As shown in the figure, herein, the second local derviation nip roll 22 keeps state in the past, makes form and the homomorphosis shown in Fig. 9 (b) of the first local derviation nip roll 21.Namely, be formed as splitting top roll 11 and carry out centralized form by toe-in angle, use guided rings 17 as described central guiding piece, make ring and a side of top roll 11 is after singulation set and the axle that the roller in the gap between the opposing party support is loosening chimericly becomes to move up and down freely, form this guided rings 17 thus.
Action effect based on the present embodiment 2 is identical with the situation in embodiment 1 the second local derviation nip roll 22 being held in former state in the past.
Description of reference numerals:
1 ... central authorities' guiding piece; 2 ... central roller; 10 ... conveying roller; 11 ... top roll after segmentation; 11A ... not divided top roll; 12 ... lower roll; 12U ... guiding piece dump tank portion; 13 ... guide rod; 14 ... boot disk; 15 ... large footpath boot disk; 16 ... with the dish roller of ladder; 17 ... guided rings; 20 ... cutter; 21 ... first local derviation nip roll; 22 ... second local derviation nip roll; 31 ... first tension reel; 32 ... second tension reel; S ... band plate (band plate of overall with or common material); S1, S2 ... cut band plate; SG ... end face guiding piece.
Claims (5)
1. cut the anti-locking apparatus that crawls of band plate, it utilizes nip roll to make to cut band plate to pass through, described in cut band plate be by the band plate of an overall with being cut into two and formed in conveying circuit,
Described feature of cutting the anti-locking apparatus that crawls of band plate is,
Described nip roll has: the lower roll of cutting the lower surface of band plate described in supporting; And top roll, this top roll abuts with described upper surface of cutting band plate, and divided on plate width direction, to be depressed or toe-in angle and to cut band plate described in making close to circuit center side with this by lateral ends,
The central roller utilizing the top roll of described lower roll and described segmentation or utilize described lower roll and divide the circuit central portion side near cut node to arrange at the top roll of described segmentation, cuts the circuit center side adjacent edges of band plate described in clamping,
The described anti-locking apparatus that crawls of cutting band plate is provided with central guiding piece, and this central guiding piece guides the circuit center side edge of cutting band plate described in confined by this clamping,
Described central guiding piece is set to free to advance or retreat,
Described cut band plate by time, described central guiding piece declines until the contact position that contacts with described lower roll, cuts the circuit center side edge of band plate described in guiding,
When passing through in the non-slitting of the band plate of described overall with, described central guiding piece is kept out of the way to the upper surface of the band plate of described overall with,
In in the clamping part that described central guiding piece is arranged at described nip roll and/or near clamping part, refer near described clamping part in the roll shaft normal surface of described nip roll, from the roller center of described nip roll towards the sight line in the plate face of described band plate relative to the scope in described plate face within ± 30 ° of the angle of vertical line.
2. the anti-locking apparatus that crawls of cutting band plate according to claim 1, is characterized in that,
The guide rod that user is shaft-like or discoid boot disk are as described central guiding piece.
3. the anti-locking apparatus that crawls of cutting band plate according to claim 1, is characterized in that,
Use the dish roller of the discoid large footpath boot disk with the external diameter of the roller diameter of the top roll being greater than described segmentation or the band ladder making this large footpath boot disk integrated with described central roller and formed as described central guiding piece.
4. the anti-locking apparatus that crawls of cutting band plate according to claim 1, is characterized in that,
Use guided rings as described central guiding piece, this guided rings is formed by making ring carry out loosening chimeric in the mode moved up and down freely.
5. the anti-locking apparatus that crawls of cutting band plate according to any one of Claims 1 to 4, is characterized in that,
Lower roll in the nip roll being provided with described central guiding piece, arranging can for the guiding piece dump tank portion of described central guiding piece turnover.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009292106 | 2009-12-24 | ||
| JP2009-292106 | 2009-12-24 | ||
| JP2010269375A JP4780246B2 (en) | 2009-12-24 | 2010-12-02 | Device for preventing meandering of slit strip |
| JP2010-269375 | 2010-12-02 | ||
| PCT/JP2010/073644 WO2011078385A1 (en) | 2009-12-24 | 2010-12-20 | Skew prevention device for slit band plates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102665950A CN102665950A (en) | 2012-09-12 |
| CN102665950B true CN102665950B (en) | 2015-04-22 |
Family
ID=44195907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080058669.6A Expired - Fee Related CN102665950B (en) | 2009-12-24 | 2010-12-20 | Skew prevention device for slit band plates |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2517800B1 (en) |
| JP (1) | JP4780246B2 (en) |
| KR (1) | KR101411743B1 (en) |
| CN (1) | CN102665950B (en) |
| WO (1) | WO2011078385A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5618075B2 (en) * | 2010-10-26 | 2014-11-05 | Ｊｆｅスチール株式会社 | Device for preventing meandering of slit strip |
| WO2013157147A1 (en) * | 2012-04-19 | 2013-10-24 | Ｊｆｅスチール株式会社 | Meandering prevention device for slit band plates |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1375761A (en) * | 1963-06-25 | 1964-10-23 | Achard | Device intended to ensure for several mobile parallel bands a uniform determined tension per unit of width |
| FR1468856A (en) * | 1965-10-18 | 1967-02-10 | Alcan Aluminium France | Improvements to the winding of metal strips at the exit of a slitting line |
| CN101462128A (en) * | 2008-11-20 | 2009-06-24 | 无锡五冶金属压延有限公司 | Guiding pinch straight head roll device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0415368Y2 (en) * | 1987-11-20 | 1992-04-07 | ||
| JPH035017A (en) | 1989-05-31 | 1991-01-10 | Mitsubishi Heavy Ind Ltd | Adjusting device for slit clearance of slit strip material |
| JPH05338872A (en) * | 1992-06-03 | 1993-12-21 | Kawasaki Steel Corp | Guide apparatus for slit strip |
| JP2993376B2 (en) * | 1994-10-03 | 1999-12-20 | 日本鋼管株式会社 | Hot continuous finishing mill with meandering prevention function |
| JPH08215747A (en) * | 1995-02-14 | 1996-08-27 | Nippon Steel Corp | Pinch roll equipment for thin sheet producing and treating line |
| JPH10230319A (en) * | 1997-02-21 | 1998-09-02 | Nippon Steel Corp | Device for stable threading of slit strip |
-
2010
- 2010-12-02 JP JP2010269375A patent/JP4780246B2/en not_active Expired - Fee Related
- 2010-12-20 KR KR1020127017684A patent/KR101411743B1/en not_active IP Right Cessation
- 2010-12-20 WO PCT/JP2010/073644 patent/WO2011078385A1/en active Application Filing
- 2010-12-20 CN CN201080058669.6A patent/CN102665950B/en not_active Expired - Fee Related
- 2010-12-20 EP EP10839613.6A patent/EP2517800B1/en not_active Not-in-force
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1375761A (en) * | 1963-06-25 | 1964-10-23 | Achard | Device intended to ensure for several mobile parallel bands a uniform determined tension per unit of width |
| FR1468856A (en) * | 1965-10-18 | 1967-02-10 | Alcan Aluminium France | Improvements to the winding of metal strips at the exit of a slitting line |
| CN101462128A (en) * | 2008-11-20 | 2009-06-24 | 无锡五冶金属压延有限公司 | Guiding pinch straight head roll device |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2517800B1 (en) | 2014-03-05 |
| KR101411743B1 (en) | 2014-06-25 |
| JP4780246B2 (en) | 2011-09-28 |
| JP2011147997A (en) | 2011-08-04 |
| EP2517800A1 (en) | 2012-10-31 |
| KR20120104295A (en) | 2012-09-20 |
| EP2517800A4 (en) | 2013-07-24 |
| WO2011078385A1 (en) | 2011-06-30 |
| CN102665950A (en) | 2012-09-12 |
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