WO2011078385A1 - Dispositif anti-désalignement pour plaques de bande fendues - Google Patents

Dispositif anti-désalignement pour plaques de bande fendues Download PDF

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Publication number
WO2011078385A1
WO2011078385A1 PCT/JP2010/073644 JP2010073644W WO2011078385A1 WO 2011078385 A1 WO2011078385 A1 WO 2011078385A1 JP 2010073644 W JP2010073644 W JP 2010073644W WO 2011078385 A1 WO2011078385 A1 WO 2011078385A1
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WIPO (PCT)
Prior art keywords
center
roll
slit
guide
strip
Prior art date
Application number
PCT/JP2010/073644
Other languages
English (en)
Japanese (ja)
Inventor
山下浩二
奈良正
畠山誠之
Original Assignee
Ｊｆｅスチール株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ｊｆｅスチール株式会社 filed Critical Ｊｆｅスチール株式会社
Priority to EP10839613.6A priority Critical patent/EP2517800B1/fr
Priority to KR1020127017684A priority patent/KR101411743B1/ko
Priority to CN201080058669.6A priority patent/CN102665950B/zh
Publication of WO2011078385A1 publication Critical patent/WO2011078385A1/fr

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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
    • 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
    • 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
    • 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
    • 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
    • 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

Definitions

  • the present invention relates to a meandering prevention device for a slit strip (referred to as a slit strip, also referred to as a slit member), and more specifically, to suppress meandering of the strip and allow it to pass stably.
  • the present invention relates to a meandering prevention device for a slit band plate used for suppressing winding deviation and stably winding.
  • the present invention is particularly effective at the front end and tail end of the strip where the tension decreases.
  • the tension is lowered, in the hot rolling line of the steel strip, on the transport table roller from the finish rolling mill to the winder, before the tip of the steel strip reaches the winder, For example, after the tail end of the steel strip has passed through the finishing mill, or when the steel strip is shear cut immediately before the end of coil winding in the cold rolling line or continuous processing line of the steel strip.
  • the strip plate to which the present invention is applied include a metal strip such as a steel strip and a sheet-like plastic film.
  • the nip is a contact portion between a transporting roll (including a pinch roll) and a strip to be passed.
  • the skew angle is a roll inclination angle provided so as to face the outside or the inside from the belt transport direction. When the outside is turned, the skew angle is turned outward, and when the inside is turned (see FIG. 3). Is called the inward skew angle.
  • a slitter is placed on the entrance side of the winder of the recoiling line, and the strip that has been rolled wide is divided in the plate width direction and wound into coils. ing. Background art related to such slit lines includes the following.
  • Guide plate means such as side guides are used in order to suppress the plate instability phenomenon such as the end being wavy or meandering in the plate width direction.
  • a method of forcibly restraining with a guide means such as a side guide is employed in order to hold the tail end of the strip at the center position of the line.
  • Patent Document 2 Using a pinch roll that can be adjusted under one pressure (Patent Document 2) This is achieved by installing a pinch roll that can be adjusted by one side of the slit material between the slitter and tension reel (winding machine), and correcting the slit material in the direction away from the center of the line by adjusting the side pressure. To do. According to this, when the center side of the line of each slit material is reduced by one side (partial pressure), a rotational moment acts in the direction in which the slit gap widens.
  • the slit gap fluctuates due to the plate properties of the slit materials S1 and S2, the adjustment by the separator disk becomes incomplete, and the slit gap is narrowed so that the plate ends forming both ends of the slit gap are Since it is deformed by being pressed by the separator disk, or the slit gap is widened to cause a winding failure, uneven edges, etc., the line speed cannot be increased, and it is inevitable to operate at a low speed.
  • the separator disk since the upper and lower sides of the slit material are not supported by a roll or the like, when the plate end portion forming both ends of the slit gap hits the separator disk, the slit material is bent in the vertical direction and the plate end portion Will damage it.
  • ear damage occurs at the edge of the plate width due to contact with guide means such as a side guide.
  • guide means such as a side guide.
  • the side guide SG is inserted between the roll pitches of the transport rolls 10 (between the nips). By becoming. Therefore, when the band plate is restrained by the side guide, accurate position control according to the plate width is required. In particular, when the plate thickness is thin, accurate pressing pressure control is required.
  • the method of suppressing winding deviation by controlling the position of the strip in the line width direction as in (3) to (5) of the background art has the following difficulties. -Due to the time difference between upstream and downstream, a positional deviation in the width direction between the control target and the actual occurs. -The system becomes complicated as much as control is required. ⁇ Even if the winding at steady state is stable, it will be the outermost periphery of the coil after winding, and at the tail end of the slit material after shear cutting, the tension of the slit material disappears and the behavior becomes unstable, so existing In some cases, the EPC apparatus and the inclined roll cannot be used.
  • the background art cannot stabilize the strip after slitting on the center side of the conveyance line without damaging the edge of the strip or using a complicated control system, and after cutting. There has been an unsolved problem that stable passage is difficult during unsteady passage such as during tail end passage.
  • the present invention has devised means using a mechanical (mechanical) meandering prevention mechanism that does not depend on external control.
  • the mechanical (mechanical) meandering prevention mechanism can be easily adjusted, and can be used for both slit materials and normal materials (unslit strips). We aimed to make the switching of the system automatically or easily feasible.
  • the gist configuration of the present invention is as follows.
  • An apparatus for preventing meandering of a slit band plate in which a slit band plate formed by slitting a single full width band plate into two in a transport line is passed through a pinch roll,
  • the pinch roll is a lower roll that supports the lower surface of the slit strip,
  • An upper roll divided in the plate width direction in order to bring the slit band plate toward the center side of the line by outer side pressure or inward skew angle in contact with the upper surface of the slit band plate;
  • the lower roll and the divided upper roll, or the lower roll and the center roll provided on the center side of the line near the divided upper roll dividing end, the line center of the slit strip Hold the vicinity of the side edge
  • a meandering prevention device for a slit band plate comprising a center guide for guiding a line center side edge of the slit band plate constrained by the clamping.
  • the outer side reduction refers to the reduction (partial
  • the center guide can be moved forward and backward, When passing the slit strip, guide the line center side edge of the slit strip down to the contact position with the lower roll, An apparatus for preventing meandering of a slit strip, wherein when the full-width strip is passed through without slitting, the full-width strip is retracted to the upper surface.
  • a disk-shaped large-diameter guide disk having an outer diameter larger than the roll diameter of the divided upper roll or a stepped disk roll in which the large-diameter guide disk and the center roll are integrated is used as the center guide.
  • a meandering prevention device for slit strips is used as the center guide.
  • a meandering prevention device for a slit band plate characterized by using a guide ring in which the ring is freely fitted up and down.
  • a meandering prevention device for a slit band plate characterized in that a guide receiving groove for allowing the center guide to enter and exit is provided.
  • the strip strip strip is transported with a simple device configuration. It can be stabilized at the center side. Since the center guide used in the present invention is a guide on the slit cut end face side, position control according to the plate width is not required. In addition, since the strip plate edge positioned in the nip and / or in the vicinity of the nip sandwiched by the upper and lower rolls is guided, it is possible to easily ensure the plate rigidity and to prevent the ear from being damaged.
  • the present invention can easily allow stable passage. Moreover, both a slit material and a normal material can be passed, and the switching is also easy.
  • Schematic front view showing the basic concept of the present invention by an example of the present invention (conveying direction is from the back side to the front side)
  • the schematic perspective view which shows the effect of this invention compared with a prior art example Schematic plan view showing definition of inward skew angle
  • Schematic front view showing another example of the present invention [1] (an example of a form using a center roll) (the conveyance direction is the direction from the back side to the front side).
  • Time chart of pinch roll reduction and serpentine meter output showing an example of meandering measurement experimental data using a model device
  • Schematic front view showing an embodiment of the present invention in which a guide receiving groove portion through which a center guide can enter and exit is provided on the lower roll ((a) is when slit material is passed, (b) is normal (not slit) when material is passed, transport (Direction from the back side to the front side)
  • the schematic perspective view which shows the meandering prevention apparatus of Example 1 ((a) is at the time of
  • Schematic front view showing a preferred form under the outer side pressure (conveying direction is from the back side to the front side)
  • Schematic sectional view showing the vicinity of the nip Schematic cross-sectional view showing one example of center guide pressing mechanism
  • the basic concept of the present invention is as follows.
  • the meandering of the slit material is not controlled (feedback control), and the slit material is mechanically (mechanically) moved toward the center of the line.
  • the mechanical (mechanical) method of bringing the slit material closer to the center of the line is that the upper roll of the pinch roll is divided in the plate width direction, and the outer roll is wider than the inner roll width of each divided roll.
  • a method using a roll that is, an outer side pressure reduction
  • a method using an inclination of each of the divided rolls inward from the strip conveying direction that is, an inward skew angle.
  • the friction force between the pinch roll and the strip is larger than the friction force of the outer side reduction part, so that the slit material tries to rotate toward the center of the line. A moment is generated, and the slit material mechanically (mechanically) approaches the center of the line. Further, according to the inward skew angle, the roll peripheral speed component facing the inside of the line is transmitted to the slit material, so that the slit material mechanically (mechanically) approaches (i.e., is centered) the line.
  • the vicinity of the nip refers to a range in the plate surface in which the line of sight from the roll center to the plate surface is within an angle of ⁇ 30 ° with respect to the normal in the plane perpendicular to the roll axis. That is, as shown in FIG. 14, the vicinity of the nip is a range between the upstream side and the downstream side in the plate surface that is within ⁇ 30 ° with respect to the roll center with respect to the traveling direction of the slit strips S1 and S2. It is.
  • the feature of the present invention is that a center guide for restraining the plate edge is provided.
  • the inward skew angle to which the external force F is applied may be determined in consideration of the reduction force, but is preferably about 10 ° to 30 °.
  • the side guide for guiding the line outer edge of the conventional plate may not be used.
  • the center guide 1 provided on the line center side of the plate edge located in the nip and / or in the vicinity of the nip according to the present invention, the strips S1 and S2 are connected to the upper roll 11 of the pinch roll. Since it is sandwiched between the lower rolls 12 and the band plate does not escape or yield in the vertical direction, and the plate rigidity is very high, there is no ear damage at the end on the center guide 1 side. (FIG. 2 (b)). In addition, it is preferable that the center guide restrains the plate edge located in the nip in the nip and / or in the vicinity of the nip from the viewpoint of obtaining higher plate rigidity.
  • the slit strip transport line (also referred to as the slit line) can stabilize the strip strip after the slit at the center of the transport line without damaging the strip edge with a simple device configuration.
  • a device having the form shown in FIG. 1 (a) is prepared, and the strip is passed through both sides of the center guide. At that time, pinch roll pressure is applied, and the meandering behavior of the strip is changed to the exit side of the pinch roll (winding) Part) was measured with a meandering meter installed on both sides.
  • An example of the result is shown in FIG. According to the meandering meter output chart of the figure, it is clear that the passing plate on the outlet side (winding portion) is stabilized by the pinch roll (PR) pressure reduction. It can also be seen that centering is achieved by pinch roll pressure.
  • slit strips S1 and S2 formed by slitting a strip having a full width of one strip into two strips are used as pinch rolls. And the pinch roll is in contact with the lower roll 12 supporting the lower surface of the slit band plates S1 and S2 and the upper surface of the slit band plates S1 and S2.
  • an upper roll 11 divided in the plate width direction is provided. The lower roll 12 and the divided upper roll 11 sandwich the vicinity of the line center side edge of the slit strips S1 and S2, and the lines of the slit strips S1 and S2 constrained by the sandwiching. Center edge was that provided center guide 1 to Id.
  • a center contact portion may be provided on the line center side of the upper roll in order to sandwich the line center side edge of the slit strips S1, S2.
  • the central contact portion only has to suppress the warping of the edge of the band plate, so the roll outer diameter of the central contact portion may be equal to or less than the roll outer diameter of the outer single pressure lower portion.
  • the contact width of the central abutting portion may be a contact width of 1/2 or less, preferably 1/4 or less of the contact pressure contact width of the lower outer compression portion.
  • the center contact portion of the upper roll 11 is ideally pressed down to the edge of the line center side of the strips S1 and S2, and the closer to the edge end the better.
  • the edge cannot be contacted to the edge due to restrictions on the installation of the upper roll 11 and the curvature of the end of the central contact portion of the upper roll 11.
  • the vicinity of the edge away from the edge end is pressed within a range in which the deformation amount of the plate edge can be kept within the elastic range.
  • the range in the vicinity of the edge is considered to be acceptable up to a position about 10 mm away from the edge of the central side to the inside of the slit strips S1, S2. That is, the center contact portion of the upper roll 11 is brought into contact so that the center side end portion is sandwiched inward from the center side edges of the slit strips S1 and S2 at a position of about 10 mm (see FIG. 13).
  • variety of a center guide shall be below the clearance gap between the boards of the slit material expanded by a slit, ensuring a intensity
  • slit strips S1 and S2 formed by slitting a full strip of strip into two strips in a transport line are passed through a pinch roll.
  • the center guide 1 for guiding the line center side edge of Tsu preparative strip S1, S2 may be one provided.
  • the center roll sandwiches the line center side edge of the slit strip, so that the center contact portion of the upper roll is not necessary when the upper roll of the pinch roll is crushed by the outer side.
  • the reduction point between the lower roll and the skewed upper roll may be on the center side of the line on the lower roll axis or on the outer side.
  • the center roll 2 and the lower roll 12 sandwich the edge of the slit band plate at the line center side. Therefore, the split upper roll of the pinch roll is only set to center the slit band plate toward the line center side. You should consider it. At this time, the center roll does not disturb the centering force of the split upper roll.
  • the rolling force of the center roll is set to 1/2 or less, preferably 1/4 or less, of the rolling force of the divided upper roll. Further, if the rolling force of the center roll and the upper roll is the same, the contact width of the center roll is set to 1/2 or less, preferably 1/4 or less, of the divided upper roll. That is, in each of the slit strips S1 and S2, the contact width and the rolling force are adjusted so that the centering force F of the split upper roll is adjusted so that the line center side edge of the slit strip to be clamped by the center roll does not rise.
  • the reaction force of the center roll toward the outside in the plate width direction is preferably set to 1 ⁇ 4 or less.
  • the two strip strips are not uniform, the gap between them is not always at the center of the line. Since the position of the gap depends on the position of the slitter in the line width direction, the position of the center guide in the line width direction is made to coincide with that of the slitter.
  • the upper roll of the pinch roll divided in the width direction can also be shifted in accordance with the outer edge of the slit band plate when the width is different, which leads to generation of a stable centering force. This makes it possible to simultaneously produce two rolls of slit strips having different plate widths.
  • a pinch roll used for this invention it is not limited to the form by which two strip strips are each passed by the both sides of the said center guide, Only one strip of two strip strips is used. May be configured to pass through only one of the two sides of the center guide. For example, in FIG. 1, for example, only the slit material S ⁇ b> 1 is passed and the slit material S ⁇ b> 2 is not passed, and even such a pinch roll can be used in the present invention. .
  • the center guide may be installed in a fixed manner. However, in the case of Type II, it is not fixed, and it can be moved forward and backward (movable forward and backward).
  • the lower roll is lowered to the top position of the lower roll to guide the line center side edge of the slit band plate and to retract to the upper surface of the normal material when passing the normal material without slitting (this book) Corresponds to invention [2]).
  • the lower end of the center guide is surely lowered to the height position of the upper end of the lower roll in order to guide the edge.
  • it is only necessary to descend between the upper surface of the slit material and the height position of the upper end of the roll.
  • the conveying direction of the slit strip plate not shown is a direction from the left side to the right side of the drawing.
  • the conveyance direction of the slit strip plate not shown is a direction from the back side of the paper surface to the front side.
  • FIG. 6 shows an example in which a square bar-shaped guide bar 13 is used as the center guide.
  • the guide bar 13 of this example is a retractable type (corresponding to the guide bar in the present invention [3]), it may be a fixed type in some cases.
  • FIG. 6 (a) shows a configuration without a center roll independent of the pinch roll when it is under the outer side pressure
  • FIG. 6 (b) shows a center independent of the pinch roll with an inward skew angle.
  • FIG. 6C shows a configuration without a roll
  • FIG. 6C shows a configuration with a center roll in the case of the outer side pressure reduction
  • FIG. 6D shows a configuration with a center roll in the case of an inward skew angle.
  • FIG. 7 shows an example in which a disc-shaped guide disk 14 is used as the center guide.
  • the guide disk 14 of this example is a retractable type (corresponding to the guide disk in the present invention [3]), but may be a fixed type in some cases.
  • FIG. 7 (a) is a case where the outer side is under pressure and no center roll independent of the pinch roll
  • FIG. 7 (b) is an inward skew angle case where the center is independent of the pinch roll.
  • FIG. 7C shows a configuration without a roll
  • FIG. 7C shows a configuration with a center roll
  • FIG. 7D shows a configuration with a center roll, with an inward skew angle.
  • FIG. 8 shows a disc-shaped large-diameter guide disk 15 having an outer diameter larger than the roll diameter of the divided upper roll 11, or the large-diameter guide disk 15 and the center roll 2 as a center guide.
  • This is an example using the stepped disk roll 16.
  • both the large-diameter guide disk 15 and the stepped disk roll 16 in this example are of an advanceable / retractable type (corresponding to the present invention [4]), either or both of them may be fixed.
  • FIG. 8 (a) shows a case where the outer side is under a single pressure and no center roll independent of the pinch roll
  • FIG. 8 (b) shows an inward skew angle and a center independent of the pinch roll.
  • FIG. 8 (c) shows a form without a roll when the outer side is under pressure
  • FIG. 8 (d) shows a form with a center roll when an inward skew angle is used.
  • the lowering of the center guide is caused by the weight of the center guide integrally or by a pressing mechanism that pushes the center guide 1 downward from the upper side, for example, as shown in FIG. 41 may be positively pushed down by a pressing mechanism that presses the upper part of the guide ring 17 or guide disk (not shown in FIG. 15) downward from the upper side.
  • the pressing mechanism is set so that the pressing force is set so as not to cause deformation or wrinkles on the upper surface of the normal material. Further, for example, as shown in FIG.
  • the outermost periphery of the center guide 1 is made of the same material as the upper roll or an elastic body such as rubber in consideration of contact with the normal material S, and the edges of the slit materials S1 and S2 It is preferable that the side surface of the center guide 1 that comes into contact with is a wear-resistant material having high hardness.
  • FIG. 9 is an example of a retractable type (corresponding to the present invention [5]) using a guide ring 17 in which a ring is freely fitted up and down as a center guide.
  • a ring support shaft for loosely fitting the guide ring 17 can be appropriately provided in the gap between one of the divided upper rolls 11 and the other.
  • FIG. 9 (a) shows a configuration without a center roll independent of the pinch roll when it is under the outer side pressure
  • FIG. 9 (b) shows a center independent of the pinch roll with an inward skew angle.
  • FIG. 9C shows a configuration without a roll
  • FIG. 9C shows a configuration with a center roll in the case of an outer side pressure reduction
  • FIG. 9D shows a configuration with a center roll in the case of an inward skew angle.
  • the center guide is provided on the lower roll in the pinch roll provided with the center guide. It is also possible to configure the guide receiving groove portion for allowing the guide to enter and exit (corresponding to the present invention [6]).
  • FIG. the center guide is constituted by a separate ring 1E having a form similar to that of the stepped disk roll 16. Since the guide receiving groove portion 12U accommodates the lower portion (radial end portion) of the separation ring 1E and restrains the separation of the separation ring 1E in the line width direction, the guide state of the line center side edge of the slit material is further stabilized.
  • the guide receiving groove portion 12U is provided so that a center guide such as a separate ring 1E can easily enter unless a plate end portion of the slit material enters the guide receiving groove portion 12U, and does not interfere with a normal material passage plate.
  • the groove entrance corner may be tapered outward or rounded.
  • the implementation target of Example 1 is a slit line of a cold-rolled steel sheet.
  • the slit line passes two slit strips S1 and S2 downstream of the shear 20 through the first and second deflector pinch rolls 21 and 22, respectively, and the conveying direction is horizontal.
  • the first and second tension reels 31 and 32 are configured so as to be turned downward from the lower side.
  • the slit strip S2 passes through the first deflector pinch roll 21 in parallel with the slit strip S1 before entering the second deflector pinch roll 22.
  • the conveying direction of the slit strip S2 is the horizontal direction. To be left. In this slit line, as shown in FIG.
  • the normal material S is also passed, and the equipment series of the first deflector pinch roll 21 and the first tension reel 31, the second deflector pinch roll 22, the second tension Winding is performed by alternately using the equipment series of the reel 32.
  • the first and second deflector pinch rolls 21 and 22 use flat rolls for both the upper and lower rolls.
  • Example 1 the first and second deflector pinch rolls 21 and 22 have the same form as shown in FIG. That is, the upper roll 11 is divided so that centering can be performed by one side of the outer roll, and as the center guide, a ring is provided for a ring support provided in a gap between one of the divided upper rolls 11 and the other.
  • a guide ring 17 is used that is loosely fitted on the shaft so as to freely move up and down.
  • the slit strips S ⁇ b> 1 and S ⁇ b> 2 are both brought closer to the center of the line by the outer side pressure, and the brought-up plate edges are guided by the guide ring 17.
  • the guide ring 17 automatically retracts to the upper surface side of the plate.
  • a sufficient meandering prevention effect can be obtained only by applying the present invention to the first deflector pinch roll 21, but if the present invention is applied to the second deflector pinch roll 22 as in the first embodiment, the effect is even greater. Become.
  • Example 2 is the same slit line as the implementation target of Example 1.
  • An embodiment of Example 2 is shown in FIG.
  • the second deflector pinch roll 22 remains the same as the conventional one, and the first deflector pinch roll 21 has the same form as shown in FIG. 9B. That is, the upper roll 11 is divided so that centering by an inward skew angle is possible, and the ring is provided as a center guide in a gap between one and the other of the divided upper rolls 11.
  • a guide ring 17 is used that is loosely fitted to the shaft so as to be movable up and down.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)

Abstract

Sans endommager les bords des plaques de bande ni utiliser de système de commande complexe, le dispositif anti-alignement divulgué peut stabiliser des plaques de bande après fendage au centre d'un convoyeur et permet également de stabiliser un déplacement de plaque instable tel qu'un déplacement de plaque dos de la dent en premier après sectionnement. Ledit dispositif anti-désalignement pour plaque de bande fendue déplace les plaques de bande fendues (S1 et S2) à travers un rouleau pinceur présentant : un rouleau inférieur (12) portant les surfaces inférieures des plaques de bande fendues ; et un rouleau supérieur (11) en contact avec les surfaces supérieures des plaques de bande fendues et segmenté dans le sens de la largeur des plaques de manière d'être capable de déplacer les plaques de bande fendues vers le centre du convoyeur par une pression exercée uniquement à l'extérieur ou suivant une inclinaison orientée vers l'intérieur. Les zones de bord côté centre du convoyeur des plaques de bande fendues sont serrées entre le rouleau inférieur précédemment mentionné et soit le rouleau supérieur segmenté soit un rouleau central (2) disposé près du bord de segmentation côté centre du convoyeur du rouleau supérieur segmenté. Le rouleau pinceur est pourvu d'un guide central (1) guidant les bords côté centre du convoyeur des plaques de bande fendues retenues par le serrage précédemment mentionné.
PCT/JP2010/073644 2009-12-24 2010-12-20 Dispositif anti-désalignement pour plaques de bande fendues WO2011078385A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP10839613.6A EP2517800B1 (fr) 2009-12-24 2010-12-20 Dispositif anti-désalignement pour plaques de bande fendues
KR1020127017684A KR101411743B1 (ko) 2009-12-24 2010-12-20 슬릿 띠판의 사행 방지 장치
CN201080058669.6A CN102665950B (zh) 2009-12-24 2010-12-20 分切带板的蛇行防止装置

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JP2009-292106 2009-12-24
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JP2010269375A JP4780246B2 (ja) 2009-12-24 2010-12-02 スリット帯板の蛇行防止装置
JP2010-269375 2010-12-02

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JP5618075B2 (ja) * 2010-10-26 2014-11-05 Ｊｆｅスチール株式会社 スリット帯板の蛇行防止装置
WO2013157147A1 (fr) * 2012-04-19 2013-10-24 Ｊｆｅスチール株式会社 Dispositif de prévention de méandres pour tôles en bande fendus
JP7480766B2 (ja) 2021-09-30 2024-05-10 Ｊｆｅスチール株式会社 鋼帯尾端部の巻取装置及び方法並びに鋼帯の連続処理設備

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JPH05338872A (ja) * 1992-06-03 1993-12-21 Kawasaki Steel Corp スリットされたストリップの案内装置
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KR101411743B1 (ko) 2014-06-25
EP2517800A1 (fr) 2012-10-31
EP2517800B1 (fr) 2014-03-05
CN102665950B (zh) 2015-04-22
KR20120104295A (ko) 2012-09-20
CN102665950A (zh) 2012-09-12
JP2011147997A (ja) 2011-08-04
EP2517800A4 (fr) 2013-07-24
JP4780246B2 (ja) 2011-09-28

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