EP3049198B2 - Device for guiding metal strips with grinding bodies - Google Patents

Device for guiding metal strips with grinding bodies Download PDF

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Publication number
EP3049198B2
EP3049198B2 EP14766935.2A EP14766935A EP3049198B2 EP 3049198 B2 EP3049198 B2 EP 3049198B2 EP 14766935 A EP14766935 A EP 14766935A EP 3049198 B2 EP3049198 B2 EP 3049198B2
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EP
European Patent Office
Prior art keywords
wear
metal strip
guide
bodies
face
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14766935.2A
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German (de)
French (fr)
Other versions
EP3049198A1 (en
EP3049198B1 (en
Inventor
Friedrich Moser
Walter Grabner
Klaus FRAUENHUBER
Juergen Schiefer
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Primetals Technologies Austria GmbH
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Primetals Technologies Austria GmbH
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Application filed by Primetals Technologies Austria GmbH filed Critical Primetals Technologies Austria GmbH
Priority to RS20170795A priority Critical patent/RS56151B2/en
Priority to SI201430383T priority patent/SI3049198T2/en
Priority to EP14766935.2A priority patent/EP3049198B2/en
Publication of EP3049198A1 publication Critical patent/EP3049198A1/en
Publication of EP3049198B1 publication Critical patent/EP3049198B1/en
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Classifications

    • 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
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • 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
    • B21B39/18—Switches for directing work in metal-rolling mills or trains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/032—Controlling transverse register of web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2267/00—Roll parameters
    • B21B2267/24—Roll wear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/173—Metal

Definitions

  • the present invention relates to a device for the lateral guidance of a metal strip running over a metal strip conveyor device, comprising at least one base body module with a vertical guide plane.
  • metal strip conveyor devices for example roller tables
  • processing machines for example coilers
  • metal strips are guided by means of metal strip conveyor devices, for example roller tables
  • processing machines for example coilers
  • metal strips are guided to a lateral guide. This is necessary, especially before the start of winding, in order to keep the offset of the individual windings on the wound bundle as small as possible in order to achieve an even side surface.
  • Devices for lateral guidance are called, for example, guide fences or inlet fences.
  • the edges of the running metal strip which are acted upon by the devices for lateral guidance, cause a great deal of wear on the wear strips or their wear surfaces, which are attached to the guide rails or infeed rails.
  • the belt edges which are guided with high lateral forces, cut into these wear strips, especially in the case of thinner belts, with flying sparks over the entire length of the belt - which can be over 2000 m long.
  • the wear surfaces of the wear strips must therefore be renewed several times a week.
  • the center distances of the rollers of the roller table are usually kept as small as possible, which is why the protruding areas are very narrow and the guide lengths of the individual protruding areas are very short.
  • Intermediate tables, which would increase the roller table roller distance and the guide length, are usually avoided in order to prevent the strip head from threading in and not to damage the finished rolled strip underside.
  • the JP05161917 suggests using "umbrella-like-rolls" for guidance in a "side-guide” to avoid damaging the metal strip, which are kept in a constant rotating motion by a liquid flow.
  • a device for the lateral guidance of a metal strip running over a metal strip conveyor device comprising at least one base body module with a vertical guide plane, characterized in that there is at least one wear body with a wear surface that can be rotated in a plurality of defined rotational positions in a controlled manner, and the wear surface is flat and parallel to the guide plane in all defined rotary positions.
  • the metal strip conveying device is, for example, a roller table, for example a roller table of a coiling system.
  • the conveying plane of the metal belt conveyor device is generally oriented essentially horizontally.
  • the metal strip is, for example, a steel strip or an aluminum strip.
  • the base body module with a guide plane is, for example, what is known as a guide ruler or infeed ruler, which has a surface suitable for guiding the metal strip, the guide plane. It can be formed, for example, by one or more wearing plate(s) attached to a support body; Support body and wear plate(s) together then form the base body module.
  • the device for lateral guidance can comprise a base body module or a plurality of base body modules.
  • a base body module or a plurality of base body modules.
  • two base body modules one each on one side of the metal strip for guidance.
  • the guide plane serves to guide the metal strip laterally by means of contact with the sides of the metal strip. It limits the freedom of movement of the metal strip in its direction, as a result of which the metal strip is guided laterally.
  • the management level is aligned vertically.
  • the device for lateral guidance also includes at least one wear body with a wear surface.
  • the wear body is a body that is subject to wear as a result of the guidance of the metal strip, at an area referred to as the wear surface.
  • the wear body is a different component than the base body module, but can be inserted into the base body module or attached to it.
  • the wear body has at least one wear surface; when the metal strip is being guided, this faces the metal strip and wears through contact with the metal strip in the course of the lateral guidance of the metal strip.
  • the metal strip cuts into the wear body - for example in the case of a steel hot strip, which has to be guided at a temperature of around 600°C and a speed of around 60 km/h - which is basically a desired effect, because of the cut contours reinforce the guiding effect for the metal strip.
  • the material of the wear body, or at least its wear surface can be selected with regard to its hardness so that on the one hand the cutting of contours that improve guidance is promoted and on the other hand the replacement intervals are kept to an acceptable extent.
  • At least one wear body has at least one carrier material with a coating.
  • a carrier material can be surface-coated—for example, ceramic, powder-coated, welded; for example with a material that is more wear-resistant than the carrier material.
  • a plate made of a material that may be different from the carrier material can also be applied to a carrier material, for example by screwing it on.
  • a coating, for example a surface coating, of the carrier material can also consist of several layers of different materials.
  • an outer layer can be relatively soft to facilitate cutting into the metal strip for the purpose of forming guide grooves, and a layer lying between this outer layer and the carrier material can be relatively hard, making deeper cutting difficult.
  • the coating for example the surface coating
  • the wear bodies are symmetrical in such a way that after one side has worn down, they can simply be turned over and another side of the same size is thus turned towards the metal strip and worn out.
  • the wearing surface is flat when not worn. This also includes the fact that the wear body in the wear surface can also have guide contours for guiding the metal strip from the outset--ie before commissioning, in the unworn new condition--which are further deepened by cutting into the metal strip during operation. However, it is preferably designed flat without such guide contours when it is not worn.
  • the wear surface is the area of the wear body that is intended for guiding the metal strip during operation.
  • the so-called wear body can also have areas that will not come into contact with the metal strip during operation, for example because of their distance from the pass-line of the roller table or the plane defined by the upper edge of the roller table rollers.
  • the wearing body can be round or have other contours. It can also be designed like a wheel with spokes, with the rim of the wheel correspondingly containing or forming the wear surface, and the spokes fixing the rim on an axis of rotation.
  • the wear body can also be chamfered at the side to avoid the risk of the metal strip poking at the edge of the wear body; if the wear body is a disk, for example between the side surface and base surface of the disk.
  • the wear body can have guide elevations, preferably outside the wear surface.
  • metal belts can tend to run up the wear parts, i.e. to increase their distance from the lower end of the wear part.
  • guide elevations can be provided on the wear body, which prevent run-up and leaving the wear surface provided on the wear body and, if necessary, direct the metal strip downwards again.
  • Such guide elevations can be, for example, a plurality of discrete elevations from a surface of the wear body that lies in a plane with the wear surface; i.e. separate individual elevations from one level.
  • the wear body is designed in such a way that on one edge of the wear surface next to the wear surface there is an elevation relative to the plane of the wear surface, with this elevation either being present on this entire edge or having interruptions, i.e. only being partially present on the edge.
  • the elevation is preferably designed in such a way that it does not rise abruptly out of the plane of the wear surface to a fixed height, but rather its height increases with increasing distance from the edge of the wear surface, referred to as the starting bevel.
  • a guide elevation narrows the lateral space for the metal strip during operation.
  • the narrowing offers resistance to the metal strip running up.
  • the wear body can be rotated into several defined rotary positions in a controlled manner. It can therefore assume at least two defined rotational positions, between which the operator can specifically select and control and/or regulate the rotation in a correspondingly controlled manner.
  • All wear bodies are preferably designed according to the invention. This maximizes the benefits associated with the device of the present invention.
  • the wearing bodies are preferably exchangeable, so that these components can be easily replaced if there is excessive wear.
  • the extent of wear of individual wearing bodies can be taken into account and rotated individually as required. This can further reduce the replacement effort for used wear parts.
  • a wear body can be rotated about an axis of rotation.
  • the wear body can be rotated about the axis of rotation in a controlled manner are turned, whereby a still unused area of the edge of the metal strip is turned to and worn by it. Repeated controlled turning can delay the need to replace the wearing surface or the wearing body, since new, not yet worn areas are always turned towards the edge of the metal strip.
  • the wear body is preferably essentially rotationally symmetrical, particularly preferably rotationally symmetrical, with respect to its circumference as seen in the direction of the axis of rotation. It is also included that the wear body has recesses on its edge, which partially interrupt such a circumference.
  • this has the advantage that when rotated by 360/n degrees - where n is the number of rotational symmetry - the extent of the lateral guidance by the wear body - in terms of contact between the metal strip and the wear surface - remains essentially unaffected by whether and how often the wear body was rotated by 360/n degrees starting from a starting position - the length over which it is guided - the guide length - always remains the same.
  • the wear body is very particularly preferably a round disk whose base forms the wear surface of the wear body and which can be rotated about an axis of rotation perpendicular to its wear surface, the axis of rotation lying in the center of the round disk.
  • the wear body is rotationally symmetrical with respect to the axis of rotation.
  • the metal strip is always guided over the same length by the wear surface, regardless of the rotational position in which the wear body is located—that is, regardless of how many degrees it was rotated from an initial position.
  • the extent of the lateral guidance by the wearing body in terms of contact between the metal strip and the wearing surface thus remains essentially unaffected by how much the wearing body was twisted from an initial position.
  • the length that the metal belt is guided by the wearing surface may vary slightly due to other factors - for example, it may vary slightly depending on whether the metal belt enters existing cuts in the wearing surface and is thereby forced to change its direction of travel slightly .
  • the wear body can also have other shapes than being a round disc, for example a polygonal disc - for example a hexagonal disc.
  • At least one wear body can be arranged in a recess of the at least one base body module. If the at least one wear body is arranged in a recess of the at least one base body module, it is possible to guide the metal strip through the base body module and the wear body at the same time - for example, if the wear surface of the wear body does not protrude beyond the guide plane of the base body module, but at least partially in her lies. If the wear surface is flat, as required according to the invention, and lies parallel to the guide plane, this can be the case because parallel to the guide plane also includes in one plane with the guide plane.
  • the wear surface of the wear body does not protrude beyond the guide level of the base body module and is not in it, but is further away from the metal strip than the guide level of the base body module - namely when the metal strip cuts so far into the base body module that it also comes into contact with the wear surface and is guided by it.
  • the recess is preferably round. This enables a wear body arranged in this recess to be rotated easily if this is rotationally symmetrical or rotationally symmetrical with respect to its axis of rotation. In this embodiment, when the recess is not completely enclosed by the body module, the edge of the recess in the body module follows part of a circle.
  • the recess can also have other shapes.
  • the wearing body and possibly the recess—is arranged in such a way that the part that dips under the upper edge of the roller table is as large as possible.
  • the metal strip essentially runs along the upper edge of the roller table;
  • the axis of rotation for the rotatable wear body lies above the center between the axes of rotation of the roller table rollers.
  • the device according to the invention comprises at least one wear body for which the distance of its wear surface from the guide plane of the base body module can be adjusted.
  • the wearing body or the base body module can be set in different positions with regard to the distance from a metal strip to be guided.
  • the wear body touches the metal strip, the distance between its wear surface and the guide plane of the base body module can be changed, for example, by the base body module being moved away from the metal strip.
  • the wear body is moved in the direction of the metal strip in such a way that the distance between its wear surface and the guide plane of the base body module increases, for example until the wear body is in contact with the metal strip; this reduces lateral freedom of movement for the metal strip more and more.
  • the wear body lies outside the guiding plane of the base body module, specifically in the direction of the edge of the metal strip to be guided. It is therefore closer to the metal strip to be guided than the base body module; then the lateral guidance of the metal strip is carried out primarily by this part of the wear body or its wear surface, and not by the guide plane of the base body module.
  • the base body module which is expensive and complex to produce, is subject to considerably less wear; apart from the infeed of the tape head, it is subject to almost no wear.
  • the wear bodies can, for example, be in the guide position - in which they take over the sole tape guidance - as soon as the tape head of the metal tape has passed the device for lateral guidance, because then there is no longer a risk that its corners impale each other.
  • the wear of the expensive base body module is then considerably reduced; instead, according to the invention, the wearing body, which can be produced cheaply, wears out.
  • the wear bodies can be adjusted - for example by moving into recesses in the base body module - so that they do not protrude from the guide level and therefore there is no risk that a tape head can impale its corners on elevations from the guide level.
  • the wearing body can optionally take over the lateral guidance of the metal strip together with the guide plane of the base body module.
  • the metal band will wear down both the guide plane of the base body module and the wear surface of the wear body.
  • the wearing body can be adjusted, for example, by being pushed out of the guide plane by a movement perpendicular to the guide plane—by means of appropriate adjustment devices.
  • the entire wear surface is outside the guide plane and all points of the wear surface are equidistant from the guide plane, which promotes even wear through the metal belt.
  • Displacement perpendicular to the guide plane is particularly preferred, for example, when the wear body is a round disk whose base forms the wear surface of the wear body and which can be rotated about an axis of rotation perpendicular to its wear surface, with the axis of rotation being in the center of the round disk lies.
  • the shifting takes place in the direction of the axis of rotation, which is also perpendicular to the guide plane.
  • Such an embodiment is particularly easy to build.
  • the distance of its wear surface from the guide plane of the base body module can be adjusted for at least one wear body independently of other wear bodies.
  • All wear bodies are preferably designed in this way.
  • wear bodies for which the distance between their wear surfaces is adjustable from the management plane of the base body module, being adjustable in at least one of these wearing bodies depending on at least one other of these wearing bodies.
  • All of these wear bodies can preferably be adjusted as a function of at least one other of these wear bodies, ie all wear bodies can be adjusted in combination.
  • the at least one wear body for which the distance of its wear surface from the guide plane of the base body module is adjustable, can be adjusted while the belt is running.
  • the device has at least one wear body guide roller, which is guided through a recess in the wear surface of a wear body or an opening in the wear surface of a wear body and protrudes at least partially from this wear surface.
  • An opening in the wear surface means a hole in the wear surface that is completely surrounded by the wear surface. In contrast to this, a recess in the wear surface is not completely surrounded by the wear surface.
  • the advantage of lateral guidance by guide rollers can be used in the device according to the invention, and if this is no longer desired or necessary - for example with thin metal strips with thicknesses of up to 5 mm - the lateral guidance can again be provided by the wear surfaces.
  • the provision of the wear body guide rollers therefore has the advantage that, depending on the thickness of the metal strip to be guided, a choice can be made between guidance by means of wear body guide rollers and guidance by means of wear bodies. Or, depending on whether there is a risk of puncturing the corners of the strip head or damaging the edges of the metal strip, you can choose between guidance using wear body guide rollers and guidance using wear bodies.
  • the wear body guide roller is suitable for laterally guiding the metal band running over the metal band conveyor. It is not suitable for this in the so-called parking position - the metal strip is then guided through the wear body and/or the guide level.
  • the wear body guide roller is attached to or on a wear body; it can preferably be adjusted by rotating the wear body in the parked position or in the guide position.
  • the wear body guide roller can also be attached to the main body module, or to other parts of the device, or to adjacent devices.
  • the roller surface of the wear body guide roller is guided through a recess in the wear surface of a wear body or an opening in the wear surface of a wear body and protrudes at least partially from this wear surface.
  • the roller surface of the wear-body guide roller lies beyond the wear surface, viewed from the edge of a metal strip to be guided in the direction of the wear surface. If the roller surface of the wear body guide roller is seen in the direction of the wear surface beyond the wear surface - in other words, below the wear surface - it does not contribute to the lateral guidance. In the guiding position, the roller surface of the wear body guide roller protrudes at least partially out of the wear surface—seen from the wear surface in the direction away from the guide plane of the base body module, or in other words towards the edge of a metal strip to be guided. The metal strip then primarily contacts and is guided primarily by the wear body guide rollers rather than by the wear surface.
  • the axis of rotation of the wear-body guide rollers is preferably located in such a way that the wear-body guide rollers are set in rotary motion by contact with the metal strip. This ensures low wear of the guide rollers subject to wear, since at least part of the energy transmitted by the metal strip upon contact with the guide rollers subject to wear is converted into a rotary movement of the rollers instead of contributing to signs of wear.
  • the axis of rotation of the wear body guide roller is preferably essentially perpendicular to the running direction of the metal strip.
  • the wear body guide roller can, for example, by moving, or unfolding or Folding, or twisting from the park position to the guide position or back.
  • the roller surface of the wear body guide roller protrudes at least partially out of the wear surface both in the parking position and in the guide position, viewed from the wear surface in the direction of the metal strip.
  • the guide position can be adjusted by rotating the wear body into a position in which a metal strip to be guided can come into contact with the wear body guide roller and be guided thereby. It is therefore easy to choose between guidance by means of wear parts and guidance by means of wear part guide rollers.
  • the axis of rotation of the wear-body guide rollers is preferably such that the wear-body guide rollers are set in rotary motion by contact with the metal strip. This ensures low wear of the guide rollers subject to wear, since at least part of the energy transmitted by the metal strip upon contact with the guide rollers subject to wear is converted into a rotary movement of the rollers instead of contributing to signs of wear.
  • the axis of rotation of the wear body guide roller is preferably essentially perpendicular to the running direction of the metal strip.
  • the wear body or the opening in the wear surface is positioned in such a way that the wear body guide roller protruding from the wear surface does not come into contact with the metal strip to be guided - the metal strip is guided by the wear body.
  • the wear body guide roller in the guide position, the advantage of lateral guidance by wear body guide rollers can be used if necessary, and if this is no longer desired or necessary - for example in the case of thin metal strips with thicknesses of up to 5 mm - Setting the wear body guide roller in the parking position, the lateral guidance can again be provided by the wear surfaces.
  • wear body guide rollers has the advantage that, depending on the thickness of the metal strip to be guided, it is possible to choose between guidance by means of wear body guide rollers and guidance by means of wear bodies. Or, depending on whether there is a risk of puncturing the corners of the strip head or damaging the edges of the metal strip, you can choose between guidance using wear body guide rollers and guidance using wear bodies.
  • the wear body guide roller should therefore be brought into the guide position before the metal strip enters.
  • a combination of guiding the metal strip with wear body guide rollers and the wear body guide rollers upstream or downstream of the wear bodies is also possible.
  • first rotational position and second defined rotational position only mean that there are two different rotational positions. In this context, they do not mean that there are necessarily only two rotational positions.
  • first metal band and second metal band mean only that there are two different metal bands. In this context, they do not mean that there are necessarily only two metal strips. In this context, they do not mean that there is always a forced rotation between two consecutive metal bands; turning can also only take place after several metal strips have passed through the device, before another metal strip passes through the device; This further metal band can also be followed by several metal bands again before rotation takes place again.
  • ten metal strips can first run through the device, then a turning takes place before an eleventh metal strip runs through the device as the first metal strip of a group of ten further metal strips. While metal strip eleven to metal strip twenty pass through the device, no rotation occurs.
  • defined fresh areas of the wearing bodies can be exposed to wear, with preferably the guide length does not change due to the changed orientation of the wearing surfaces.
  • the method is characterized in that after a first phase of lateral guidance, on at least one side of the metal strip, by means of a base body module and optionally wearing bodies and/or wearing body guide rollers, in a subsequent second lateral guidance phase, the lateral guidance on at least one side of the metal strip takes place only by means of wearing bodies.
  • the device for the lateral guidance of a metal strip also includes at least one wear body guide roller.
  • one or more wearing bodies can guide laterally only by means of wearing bodies.
  • a first phase of lateral guidance is referred to here as the first lateral guidance phase.
  • a second phase of the lateral guidance is referred to here as the second lateral guidance phase.
  • a wearing body in the base body position that is, in a position in which it does not form an elevation from the management level—can also take over the lateral guidance of the metal strip together with the management level of the base body module.
  • the metal strip will wear down both the guide plane of the base body module and the wear surface of the wear body.
  • the distance between the wear surface and the guide plane, and thus also the distance from the metal strip to be guided, can be adjusted to a position in which it is closer to the metal band than the guide plane of the base body module—the guide position.
  • the wear bodies or wear surfaces can, for example, be put into the guide position - in which they take over sole tape guidance - as soon as the tape head of the metal tape has passed the device for lateral guidance, because then there is no longer any risk of its corners impaling each other. Wear of the base module is then significantly reduced for most of the belt length.
  • the device for laterally guiding a metal strip also includes at least one wear body guide roller.
  • one wearing body guide roller or several wearing body guide rollers can guide laterally only by means of wearing body guide rollers.
  • one wearing body or several wearing bodies and one wearing body guide roller or several wearing body guide rollers can guide laterally by means of wear bodies and wear body guide rollers.
  • At least one wear body and/or the at least one base body module is adjusted into a position in which the wear surface of the wear body lies outside of the guide plane.
  • a wear body whose wear surface lies within the guide plane during the first lateral guidance phase can be moved further in the direction of the metal strip to be guided.
  • the guide module can be moved further in the direction away from the metal strip to be guided, so that the wear body, which remains in its original position, is closer to the metal strip than the guide module.
  • the lateral guidance of the metal strip takes place in the second lateral guidance phase by means of at least one wear body guide roller.
  • wear body guide rollers take over a guiding function.
  • the method according to the invention runs so that during the second lateral guidance phase, the lateral guidance on at least one side of the metal strip by means of several wearing body takes place, with at least one wearing body being displaced away from the metal strip during the second lateral guidance phase, with loss of contact between its wear surface and the metal strip, then this wear body is rotated in a controlled manner about a rotation axis into a new defined rotation position, and then this wear body is again adjusted towards the metal strip while building up contact of its wear surface with the metal strip.
  • the type of lateral guidance is switched between sliding guidance by means of wear bodies and rolling guidance by means of rollers.
  • the rollers can be wear body guide rollers or other guide rollers.
  • the type of lateral guidance is switched between sliding guidance and rolling guidance during the lateral guidance of a metal strip.
  • One step in this process can be turning the wearing body into a new, defined rotational position, or moving, folding out or folding in, or rotating the wearing body guide rollers or other rollers for guidance.
  • the type of lateral guidance includes both sliding guidance by means of wear bodies and rolling guidance by means of rollers.
  • the rollers can be wear body guide rollers or other guide rollers.
  • the device and method according to the invention make it possible to significantly reduce the maintenance effort compared to conventional devices.
  • the time required for the replacement of worn parts is reduced, since the multiple exposure of still unworn areas of the wear surface of a wear body to the metal strip means that the wear bodies have to be replaced less frequently than conventional wear strips.
  • the exchange can take place in the course of other maintenance downtimes, production downtime due to a short maintenance interval for wearing surfaces can thus be avoided.
  • the cost of replacing wearing bodies is also kept low, since the wearing bodies can be manufactured simply and cheaply.
  • figure 1 shows schematically a conventional device 1 for the lateral guidance of a metal strip 2 running over a roller table, laterally from above.
  • the metal strip 2 runs in the direction of the arrow in the direction of the driver 3 of a coiler. It is guided laterally by means of the infeed guides 4a, 4b.
  • figure 2 shows part of a wear strip 5 of an infeed ruler 4a or 4b of a known device 1 for the lateral guidance of a metal strip running over a roller table figure 1 .
  • the wear strip is worn out and must be replaced.
  • FIG 3 shows a section of a device according to the invention for the lateral guidance of a metal strip running over a roller table as a metal strip conveyor device.
  • the device shows a base body module 7 consisting of a support body 8, carrying a wear plate 9 with a vertical guide plane 10. Roller table rollers 11a, 11b, 11c, 11d are also shown.
  • a wear body 12 is also shown, the wear surface 12a of which lies in one plane with the guide plane 10 in the illustration.
  • the wear body 12 can be rotated into a number of defined rotational positions in a controlled manner.
  • the wear surface 12a is flat and parallel to the guide plane 10 in all defined rotational positions.
  • the wear body 12 is a round disk, the base of which forms the wear surface of the wear body.
  • the wear body 12 is arranged in a largely round recess in the wear plate 9—since the wear plate 9 does not completely encompass the wear body 12, the recess is not quite round; however, the part encompassing the wear body 12 is part of a circle.
  • chamfers between the base and side surface of the round discs of the wear body 12 which, in comparison to wear bodies without chamfers, serve to avoid the risk of the metal strip spiking at the edge between the side surface and base surface.
  • the wear body can be rotated about an axis of rotation perpendicular to the guide plane.
  • the axis of rotation is in the center of the round disc.
  • the axis of rotation is located midway between the axes of rotation of the table rollers.
  • figure 4 shows a device as in FIG figure 3 sliced open
  • the base body module 7 consisting of the support body 8 and the cut wear plate 9 with the guide plane 10 .
  • the wear body 12 can be rotated into a plurality of defined rotary positions in a controlled manner.
  • the distance between the wear surface 12a and the guide plane 10 of the base body module 7 can be adjusted by means of the rotary adjustment module 13, in that the wear body 12 can be moved out of the guide plane 10 and back again, which is not shown separately.
  • figure 5 14 shows wearing bodies 15a, 15b, 15c, 15d arranged in largely round recesses 14 of a base body module.
  • Table rollers 16a, 16b, 16c are also shown.
  • the wear bodies 15a, 15b, 15c, 15d are round discs, the bases of which form the wear surfaces 17a, 17b, 17c, 17d of the wear bodies 15a, 15b, 15c, 15d.
  • the wear bodies 15a, 15b, 15c, 15d can be rotated into a plurality of defined rotational positions in a controlled manner, with the planar wear surfaces being parallel to the guide plane 19 in all defined rotational positions.
  • the metal strip 18 - here a steel strip - is guided through the guide plane 19 and the wear bodies 15a, 15b, 15c, 15d, whose wear surfaces 17a, 17b, 17c, 17d lie in the guide plane 19. Also shown are several wear marks 20a, 20b, 20c for the wear body 15b, which a metal strip has already eaten into the wear body 15b—after repeated controlled rotation into different defined rotary positions.
  • FIG 12 shows a view along section BB figure 5 in the direction of the wear body 15c, the guide plane 19 not being shown separately.
  • figure 7 shows one to figure 5 largely analogous device with wear parts 21a, 21b, 21c, 21d.
  • Wear body guide rollers 22a, 22b, 22c, 22d are present, which can be adjusted at least into a parking position and a guide position. They are shown in figure 7 in parking position.
  • the metal strip 23 - here a steel strip - is guided through the guide plane 24 and wear bodies 21 a , 21 b , 21 c , 21 d whose wear surfaces lie in the guide plane 24 .
  • FIG 8 Figure 12 shows a view along section AA figure 7 in the direction of the wear body 21 c, the guide plane 24 not being shown separately.
  • figure 9 shows one to figure 7 largely analogous view in which reference numerals for in figure 7 parts described has been omitted for clarity. Shown are the wear body guide rollers 22a, 22b, 22c, 22d figure 7 in leadership position. The metal strip 23 is guided through the wear body guide rollers 22a, 22b, 22c, 22d.
  • Figure 12 shows a view along section CC figure 9 in the direction of the wear body guide roller 22c, the guide plane not being shown separately.
  • roller surfaces of the wear body guide rollers 22a, 22b, 22c, 22d in the Figures 7 to 10 partially protrude from the wear surface both in the parking position and in the guide position, viewed from the wear surface in the direction of the metal strip. They are guided through an opening in the wear surface of the respective wear bodies 21a, 21b, 21c, 21d and protrude from this wear surface.
  • the wear body 21 a, 21 b, 21 c, 21 d By rotating the wear body 21 a, 21 b, 21 c, 21 d, the position of the openings of the wear surfaces between figure 7 and figure 9 changed.
  • the wearing body guide rollers 21a, 21b, 21c, 21d protruding from these openings are repositioned accordingly and also protrude from these openings after the wearing bodies 21a, 21b, 21c, 21d have been rotated. Accordingly, they are placed in the leadership position.
  • figure 11 shows one to figure 6 largely analogous figure.
  • part of the management level is also shown with the reference number 25 .
  • the wearing body 15c is shown with a closed border in a position in which its wearing surface 17c lies in one plane with the guide plane 25 . It is shown with a dashed border in a position in which the distance between its wear surface and the guide plane has been adjusted, increased here, by the wear body being pushed out of the guide plane by a movement perpendicular to the guide plane - using an adjustment device that is not shown in detail.
  • Figure 12 and Figure 13 show the difference between a recess in the wear surface of a wear body and an opening in the wear surface of a wear body.
  • An opening in the wearing surface is to be understood as meaning a hole 27 in the wearing surface 28 which is completely surrounded by the wearing surface 28; shown in figure 12 .
  • FIG 13 shows figure 13 A recess 29 of the wear surface 30, which is not completely surrounded by the wear surface 30, is bordered by dashed lines.
  • figure 14 shows a section of an embodiment of a wear body 30 in the unworn state.
  • the wearing body 30 is a round disc with a flat wearing surface 31.
  • the wearing body is chamfered at the edge 32.
  • figure 15 shows a section of an embodiment of a wear body 33 in the unworn state.
  • the wear body 33 is a round disc with a flat wear surface 34.
  • a guide groove 35 which is present from the outset as a guide contour for guiding the metal strip in the wear surface 34, is shown.
  • the wear body is chamfered at the edge 36 .
  • figure 16 shows a wear body 33 according to FIG figure 15 in a side view of the wear surface 34. Several guide grooves 35 can be seen.
  • figure 17 shows a section of an embodiment of a wear body 36 in the unworn state.
  • An outer, relatively soft layer 38 is present on a carrier material 37 for the purpose of forming guide grooves during operation. Between this outer layer 38 and the carrier material 37 there is a relatively hard layer 39 which makes it difficult to cut deeper.
  • figure 18 shows a side view of a wear body 40. Its wear surface 41 extends around its circumference. Outside the wear surface 41 there are several separate individual elevations from a surface 43 of the wear body 42 which lies in one plane with the wear surface 41 as guide elevations 42 .
  • figure 19 shows a detail of a section along the line AA through the wear body 40 figure 18 .
  • the profile of the guide bump 42 can be seen; It can also be seen that a guide elevation 44 is also present on the other side of the wear body 40 designed as a round disc.
  • figure 20 shows a section of a wear body 45 which is designed in such a way that there is an elevation 47 on one edge of the wear surface 46 next to the wear surface 46 in relation to the plane of the wear surface 46, this elevation 47 being present on this entire edge of the wear surface 46.
  • the elevation is designed in such a way that its height increases as the distance from the edge of the wear surface increases, ie a so-called run-on bevel 48 is formed.
  • This starting slope 48 and the guide surveys 42 and 44 from the Figures 18 and 19 narrow the lateral space for the metal strip during operation.
  • the narrowing offers resistance to the metal strip running up.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Coating With Molten Metal (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Description

Gebiet der Technikfield of technology

Die vorliegende Erfindung bezieht sich auf eine Vorrichtung zur seitlichen Führung eines über eine Metallband-Fördervorrichtung laufenden Metallbandes umfassend zumindest ein Grundkörpermodul mit einer vertikalen Führungsebene.The present invention relates to a device for the lateral guidance of a metal strip running over a metal strip conveyor device, comprising at least one base body module with a vertical guide plane.

Stand der TechnikState of the art

Bei der Herstellung von Metallbändern werden diese mittels Metallband-Fördervorrichtungen, beispielsweise Rollgängen, zu Bearbeitungsmaschinen - beispielsweise Haspelvorrichtungen - geleitet, wo sie aufgewickelt werden. Dabei ist es notwendig, die Metallbänder einer seitlichen Führung zu unterwerfen. Speziell vor Beginn des Aufwickelns ist das erforderlich, um auf dem gewickelten Bund den Versatz der einzelnen Windungen so gering wie möglich zu halten um eine gleichmäßige Seitenfläche zu erreichen. Vorrichtungen zur seitlichen Führung werden beispielsweise Führungslineale oder Einlauflineale genannt. Die Kanten des laufenden Metallbandes, auf welche die Vorrichtungen zur seitlichen Führung einwirken, verursachen an den - auf den Führungslinealen beziehungsweise Einlauflinealen befestigten - Schleißleisten beziehungsweise deren Schleißflächen einen großen Verschleiß. Die mit hohen seitlichen Kräften geführten Bandkanten schneiden sich speziell bei dünneren Bändern unter Funkenflug über die komplette Bandlänge - welche über 2000 m lang sein kann - in diese Schleißleisten ein. Die Schleißflächen der Schleißleisten müssen abhängig vom Produktionsprogramm daher wöchentlich mehrmals erneuert werden.In the production of metal strips, these are guided by means of metal strip conveyor devices, for example roller tables, to processing machines, for example coilers, where they are wound up. It is necessary to subject the metal strips to a lateral guide. This is necessary, especially before the start of winding, in order to keep the offset of the individual windings on the wound bundle as small as possible in order to achieve an even side surface. Devices for lateral guidance are called, for example, guide fences or inlet fences. The edges of the running metal strip, which are acted upon by the devices for lateral guidance, cause a great deal of wear on the wear strips or their wear surfaces, which are attached to the guide rails or infeed rails. The belt edges, which are guided with high lateral forces, cut into these wear strips, especially in the case of thinner belts, with flying sparks over the entire length of the belt - which can be over 2000 m long. Depending on the production program, the wear surfaces of the wear strips must therefore be renewed several times a week.

Es ist bekannt, zur Verminderung des Aufwandes dabei nicht immer die gesamten Schleißleisten der Führungslineale auszutauschen, sondern beispielsweise durch Verschieben der Schleißleisten dem einschneidenden Band neue Führungsflächen auszusetzen; das ist beispielsweise in DE1427923 beschrieben. Nachteilig ist dabei, dass letztendlich immer die aufwendig und teuer herzustellenden Führungslineale ausgetauscht werden müssen. Außerdem besteht die Gefahr, dass bei Veränderung des Abstandes der Spalt zwischen den Rollgangsrollen und dem Führungslineal Ausmaße annimmt, die eine Fehlführung wie Einfädeln beziehungsweise ein Aufstauen des Metallbandes verursachen können.It is known not always to replace the entire wear strips of the guide rails in order to reduce the effort, but instead to expose new guide surfaces to the incising band, for example by moving the wear strips; this is for example in DE1427923 described. The disadvantage here is that ultimately the guide bars, which are complex and expensive to produce, always have to be replaced. There is also the risk that when the distance changes, the gap between the roller table rollers and the guide ruler will assume dimensions that can cause misguidance, such as threading or a damming up of the metal strip.

In einer Abwandlung dieser Strategie ist in DE69408332T2 vorgeschlagen, aus den inneren, dem Metallband zugewandten Begrenzungsflächen der Führungslineale herausragende Bereiche vorzusehen, die zwecks Exposition neuer Bereiche zum Verschleiß verschoben werden können. Nachteilig ist dabei, dass beim Einfädeln des Anfanges eines Metallbandes die Gefahr besteht, dass sich - vor allen bei dünnen Bändern - die Kanten des Bandkopfes an den herausragenden Bereichen spießen können und das Metallband so beschädigt wird.In a modification of this strategy, in DE69408332T2 proposed to provide protruding areas from the inner, the metal strip facing boundary surfaces of the guide rails, which can be moved to expose new areas to wear. The disadvantage here is that when threading in the beginning of a metal band, there is a risk that—especially with thin bands—the edges of the band head can impale themselves on the protruding areas and the metal band is thus damaged.

Um ein Einfädeln dünner Metallbänder zwischen den Rollgangsrollen zu vermeiden, werden üblicherweise die Achsabstände der Rollgangsrollen so gering wie möglich gehalten, weshalb die herausragenden Bereiche sehr schmal und damit die Führungslängen der einzelnen herausragenden Bereiche sehr kurz sind. Zwischentische, welche den Rollgangsrollenabstand und die Führungslänge vergrößern würden, werden meist vermieden, um das Einfädeln des Bandkopfes zu vermeiden und fertig gewalzte Bandunterseite nicht zu beschädigen.In order to avoid threading thin metal strips between the rollers of the roller table, the center distances of the rollers of the roller table are usually kept as small as possible, which is why the protruding areas are very narrow and the guide lengths of the individual protruding areas are very short. Intermediate tables, which would increase the roller table roller distance and the guide length, are usually avoided in order to prevent the strip head from threading in and not to damage the finished rolled strip underside.

In der US2818954 wird vorgeschlagen, zur Führung eine Vielzahl von in einem Winkel zur Beförderungsrichtung angeordneten Führungsscheiben vorzusehen. Durch Verdrehen dieser Führungsscheiben können neue Bereiche zum Verschleiß exponiert werden. Der Oberbegriff der Ansprüche 1 und 15 basiert auf diesem Dokument. Eine bekannte Maßnahme zur Vermeidung von eingeschnittenen Rillen sieht vor, um senkrecht zur Laufrichtung des Metallbandes stehende Achsen drehbare Rollen aus den inneren, dem Metallband zugewandten Begrenzungsflächen der Führungslineale herausragen zu lassen. Das Abrollen an solchen Führungsrollen vermindert ihren Verschleiß und lässt keine durchgehenden Rillen entstehen. Allerdings wächst bei Verwendung solcher Rollen zur seitlichen Führung mit dünner werdenden Metallbändern die Gefahr, dass deren Ränder durch die Führungsrollen beschädigt werden; daher ist der Einsatz solcher Führungslineale nur für begrenzte Metallband-Dicken möglich. Außerdem können sich auch hier Kanten des Bandkopfes an den herausragenden Führungsrollen spießen.In the US2818954 it is proposed to provide a plurality of guide disks arranged at an angle to the conveying direction for guidance. Twisting these guide washers can expose new areas to wear. The preamble of claims 1 and 15 is based on this document. A known measure for avoiding incised grooves provides for axes that are perpendicular to the running direction of the metal strip to protrude from rotatable rollers on the inner boundary surfaces of the guide rails that face the metal strip. The rolling on such guide rollers reduces their wear and does not allow any continuous grooves to form. However, when such rollers are used for lateral guidance with metal strips that are becoming thinner, the risk increases that their edges will be damaged by the guide rollers; therefore the use of such guide rails is only possible for limited metal strip thicknesses. In addition, edges of the tape head can impale themselves on the protruding guide rollers.

Die JP05161917 schlägt vor, zur Vermeidung von Beschädigung des Metallbandes "umbrella-like-rolls" zur Führung in einem "side-guide" zu verwenden, die durch einen Flüssigkeitsstrom in einer ständigen Drehbewegung gehalten werden.The JP05161917 suggests using "umbrella-like-rolls" for guidance in a "side-guide" to avoid damaging the metal strip, which are kept in a constant rotating motion by a liquid flow.

Zusammenfassung der ErfindungSummary of the Invention Technische AufgabeTechnical task

Es ist die Aufgabe der vorliegenden Erfindung, eine Vorrichtung und ein Verfahren zum Betrieb der Vorrichtung vorzustellen, welches den Aufwand zum Austausch verschlissener Teile reduziert und für alle Metallband-Dicken geeignet ist, ohne die genannten Nachteile aufzuweisen.It is the object of the present invention to present a device and a method for operating the device which reduces the effort involved in replacing worn parts and is suitable for all metal strip thicknesses is without having the disadvantages mentioned.

Technische LösungTechnical solution

Diese Aufgabe wird gelöst durch eine Vorrichtung zur seitlichen Führung eines über eine Metallband-Fördervorrichtung laufenden Metallbandes umfassend zumindest ein Grundkörpermodul mit einer vertikalen Führungsebene, dadurch gekennzeichnet, dass zumindest ein kontrolliert in mehrere definierte Drehpositionen drehbarer Schleißkörper mit Schleißfläche vorhanden ist, und
die Schleißfläche plan und in allen definierten Drehpositionen parallel zur Führungsebene ist.This object is achieved by a device for the lateral guidance of a metal strip running over a metal strip conveyor device, comprising at least one base body module with a vertical guide plane, characterized in that there is at least one wear body with a wear surface that can be rotated in a plurality of defined rotational positions in a controlled manner, and
the wear surface is flat and parallel to the guide plane in all defined rotary positions.

Die Metallband-Fördervorrichtung ist beispielsweise ein Rollgang, beispielsweise ein Rollgang einer Bandhaspelanlage. Die Förderebene der Metallband-Fördervorrichtung ist in der Regel im Wesentlichen horizontal ausgerichtet.The metal strip conveying device is, for example, a roller table, for example a roller table of a coiling system. The conveying plane of the metal belt conveyor device is generally oriented essentially horizontally.

Das Metallband ist beispielsweise ein Stahlband oder ein Aluminiumband.The metal strip is, for example, a steel strip or an aluminum strip.

Das Grundkörpermodul mit Führungsebene ist beispielsweise ein sogenanntes Führungslineal oder Einlauflineal, das eine zur Führung des Metallbandes geeignete Fläche, die Führungsebene, aufweist. Sie kann beispielsweise von einer- oder mehreren - auf einem Stützkörper befestigten Verschleißplatte(n) gebildet sein; Stützkörper und Verschleißplatte(n) zusammen bilden dann das Grundkörpermodul.The base body module with a guide plane is, for example, what is known as a guide ruler or infeed ruler, which has a surface suitable for guiding the metal strip, the guide plane. It can be formed, for example, by one or more wearing plate(s) attached to a support body; Support body and wear plate(s) together then form the base body module.

Die Vorrichtung zur seitlichen Führung kann ein Grundkörpermodul umfassen oder mehrere Grundkörpermodule. Beispielsweise zwei Grundkörpermodule, zur Führung an einer Seite des Metallbandes jeweils eines.The device for lateral guidance can comprise a base body module or a plurality of base body modules. For example, two base body modules, one each on one side of the metal strip for guidance.

Die Führungsebene dient zur seitlichen Führung des Metallbandes mittels Kontakt mit den Seiten des Metallbandes. Sie begrenzt die Bewegungsfreiheit des Metallbandes in ihre Richtung, wodurch das Metallband seitlich geführt wird. Die Führungsebene ist vertikal ausgerichtet.The guide plane serves to guide the metal strip laterally by means of contact with the sides of the metal strip. It limits the freedom of movement of the metal strip in its direction, as a result of which the metal strip is guided laterally. The management level is aligned vertically.

Neben dem Grundkörpermodul umfasst die Vorrichtung zur seitlichen Führung auch zusätzlich zumindest einen Schleißkörper mit Schleißfläche.In addition to the base body module, the device for lateral guidance also includes at least one wear body with a wear surface.

Der Schleißkörper ist ein Körper, der infolge der Führung des Metallbandes Verschleiß unterliegt, und zwar an einem Bereich, der als Schleißfläche bezeichnet wird.The wear body is a body that is subject to wear as a result of the guidance of the metal strip, at an area referred to as the wear surface.

Der Schleißkörper ist ein anderes Bauteil als das Grundkörpermodul, kann aber in das Grundkörpermodul eingesetzt beziehungsweise an ihm befestigt sein.The wear body is a different component than the base body module, but can be inserted into the base body module or attached to it.

Der Schleißkörper besitzt zumindest eine Schleißfläche; diese ist bei Führung des Metallbandes dem Metallband zugewendet und verschleißt durch Kontakt mit dem Metallband im Zuge der seitlichen Führung des Metallbandes.The wear body has at least one wear surface; when the metal strip is being guided, this faces the metal strip and wears through contact with the metal strip in the course of the lateral guidance of the metal strip.

Das Metallband schneidet sich in den Schleißkörper ein - beispielsweise bei einem Stahl-Warmband, welches mit einer Temperatur von etwa 600°C und einer Geschwindigkeit von circa 60 km/h geführt werden muss -, was grundsätzlich ein gewünschter Effekt ist, denn die eingeschnittenen Konturen verstärken den Führungseffekt für das Metallband. Nach einer Variante kann das Material des Schleißkörpers, oder zumindest seiner Schleißfläche, bezüglich seiner Härte so ausgewählt werden, dass einerseits das Einschneiden von die Führung verbessernden Konturen gefördert, und andererseits die Austauschintervalle in akzeptablem Ausmaß gehalten werden.The metal strip cuts into the wear body - for example in the case of a steel hot strip, which has to be guided at a temperature of around 600°C and a speed of around 60 km/h - which is basically a desired effect, because of the cut contours reinforce the guiding effect for the metal strip. According to a variant, the material of the wear body, or at least its wear surface, can be selected with regard to its hardness so that on the one hand the cutting of contours that improve guidance is promoted and on the other hand the replacement intervals are kept to an acceptable extent.

Nach einer Ausführungsformweist zumindest ein Schleißkörperzumindest ein Trägermaterial mit einer Beschichtung auf.According to one embodiment, at least one wear body has at least one carrier material with a coating.

Es kann beispielsweise ein Trägermaterial oberflächenbeschichtet sein - beispielsweise keramisch, pulverbeschichtet, aufgeschweißt; beispielsweise mit einem Material, dass verschleißbeständiger ist als das Trägermaterial. Es kann auch auf einem Trägermaterial eine Platte aus einem, gegebenenfalls vom Trägermaterial verschiedenen, Material aufgebracht sein, beispielsweise durch Aufschrauben.For example, a carrier material can be surface-coated—for example, ceramic, powder-coated, welded; for example with a material that is more wear-resistant than the carrier material. A plate made of a material that may be different from the carrier material can also be applied to a carrier material, for example by screwing it on.

Eine Beschichtung, beispielsweise Oberflächenbeschichtung, des Trägermaterials kann auch aus mehreren Schichten aus verschiedenen Materialien bestehen. Beispielsweise kann eine äußere Schicht relativ weich sein, um ein Einschneiden des Metallbandes zu erleichtern zwecks Ausbildung von Führungsrillen, und eine zwischen dieser äußeren Schicht und dem Trägermaterial liegende Schicht relativ hart sein, was ein tieferes Einschneiden erschwert.A coating, for example a surface coating, of the carrier material can also consist of several layers of different materials. For example, an outer layer can be relatively soft to facilitate cutting into the metal strip for the purpose of forming guide grooves, and a layer lying between this outer layer and the carrier material can be relatively hard, making deeper cutting difficult.

Beschichtung, beispielsweise Oberflächenbeschichtung, kann, je nach gewünschter Nutzung, am Schleißkörper überall gleich sein oder segmentweise verschieden sein. Nach einer Ausführungsform sind die Schleißkörper derart symmetrisch, dass sie nach Verschleiß einer Seite einfach umgedreht werden können und damit eine andere gleich ausgeprägte Seite dem Metallband zugewendet und verschlissen wird.Depending on the desired use, the coating, for example the surface coating, can be the same everywhere on the wear body or can be different in some segments. According to one embodiment, the wear bodies are symmetrical in such a way that after one side has worn down, they can simply be turned over and another side of the same size is thus turned towards the metal strip and worn out.

Die Schleißfläche ist im unverschlissenen Zustand plan. Dabei ist mit umfasst, dass der Schleißkörper in der Schleißfläche auch von vornherein - also vor Inbetriebnahme, im unverschlissenen Neuzustand - Führungskonturen zur Führung des Metallbandes aufweisen kann, welche durch das Einschneiden des Metallbandes während des Betriebes noch vertieft werden. Bevorzugt ist sie jedoch in unverschlissenem Zustand plan ohne solche Führungskonturen ausgeführt.The wearing surface is flat when not worn. This also includes the fact that the wear body in the wear surface can also have guide contours for guiding the metal strip from the outset--ie before commissioning, in the unworn new condition--which are further deepened by cutting into the metal strip during operation. However, it is preferably designed flat without such guide contours when it is not worn.

Die Schleißfläche ist der Bereich des Schleißkörpers, der im Betrieb für die Führung des Metallbandes vorgesehen ist. Selbstverständlich kann der sogenannte Schleißkörper auch Bereiche haben, die im Betrieb nicht mit dem Metallband in Berührung kommen werden, beispielsweise aufgrund ihrer Entfernung von der pass-line des Rollgangs beziehungsweise der durch die Oberkante der Rollgangsrollen definierten Ebene.The wear surface is the area of the wear body that is intended for guiding the metal strip during operation. Of course, the so-called wear body can also have areas that will not come into contact with the metal strip during operation, for example because of their distance from the pass-line of the roller table or the plane defined by the upper edge of the roller table rollers.

Der Schleißkörper kann rund sein oder andere Konturen haben. Er kann auch ausgebildet sein wie ein Rad mit Speichen, wobei entsprechend die Felge des Rades die Schleißfläche enthalten beziehungsweise bilden, und die Speichen die Felge auf einer Drehachse fixieren.The wearing body can be round or have other contours. It can also be designed like a wheel with spokes, with the rim of the wheel correspondingly containing or forming the wear surface, and the spokes fixing the rim on an axis of rotation.

Der Schleißkörper kann auch seitlich angefast sein zur Vermeidung der Gefahr eines Spießens des Metallbandes am Rand des Schleißkörpers; wenn der Schleißkörper eine Scheibe ist also beispielsweise zwischen Seitenfläche und Grundfläche der Scheibe.The wear body can also be chamfered at the side to avoid the risk of the metal strip poking at the edge of the wear body; if the wear body is a disk, for example between the side surface and base surface of the disk.

Der Schleißkörper kann, bevorzugt außerhalb der Schleißfläche, Führungserhebungen aufweisen. In der Praxis zeigt sich, dass Metallbänder dazu neigen können, an den Schleißkörpern hochzulaufen, also ihren Abstand vom untersten Ende des Schleißkörpers zu vergrößern. Um so ein unerwünschtes Hochlaufen zu vermeiden, können Führungserhebungen am Schleißkörper vorgesehen sein, die ein Hochlaufen und Verlassen der am Schleißkörper vorgesehenen Schleißfläche verhindern und gegebenenfalls das Metallband wieder nach unten lenken.The wear body can have guide elevations, preferably outside the wear surface. In practice, it has been found that metal belts can tend to run up the wear parts, i.e. to increase their distance from the lower end of the wear part. In order to avoid such an undesired run-up, guide elevations can be provided on the wear body, which prevent run-up and leaving the wear surface provided on the wear body and, if necessary, direct the metal strip downwards again.

Solche Führungserhebungen können, beispielsweise mehrere, diskrete Erhebungen aus einer Fläche des Schleißkörpers, die in einer Ebene mit der Schleißfläche liegt, sein; also voneinander getrennte einzelne Erhebungen aus einer Ebene. Oder der Schleißkörper ist derart ausgeführt, dass an einem Rand der Schleißfläche neben der Schleißfläche eine Erhebung gegenüber der Ebene der Schleißfläche vorhanden ist, wobei diese Erhebung entweder an diesem gesamten Rand vorhanden ist, oder Unterbrechungen aufweist, also nur teilweise an dem Rand vorhanden ist. Die Erhebung ist dabei vorzugsweise derart ausgeführt, dass sie nicht abrupt aus der Ebene der Schleißfläche auf eine fixe Höhe aufsteigt, sondern ihre Höhe mit zunehmendem Abstand vom Rand der Schleißfläche zunimmt, genannt Anlaufschräge.Such guide elevations can be, for example, a plurality of discrete elevations from a surface of the wear body that lies in a plane with the wear surface; i.e. separate individual elevations from one level. Or the wear body is designed in such a way that on one edge of the wear surface next to the wear surface there is an elevation relative to the plane of the wear surface, with this elevation either being present on this entire edge or having interruptions, i.e. only being partially present on the edge. The elevation is preferably designed in such a way that it does not rise abruptly out of the plane of the wear surface to a fixed height, but rather its height increases with increasing distance from the edge of the wear surface, referred to as the starting bevel.

Eine Führungserhebung, speziell eine solche Anlaufschräge, verengt im Betrieb den seitlichen Platz für das Metallband. Die Verengung setzt dem Hochlaufen des Metallbandes einen Widerstand entgegen.A guide elevation, especially such a starting bevel, narrows the lateral space for the metal strip during operation. The narrowing offers resistance to the metal strip running up.

Der Schleißkörper ist kontrolliert in mehrere definierte Drehpositionen drehbar. Er kann also zumindest zwei definierte Drehpositionen einnehmen, zwischen denen der Betreiber gezielt auswählen und das Drehen entsprechend kontrolliert steuern und/oder regeln kann.The wear body can be rotated into several defined rotary positions in a controlled manner. It can therefore assume at least two defined rotational positions, between which the operator can specifically select and control and/or regulate the rotation in a correspondingly controlled manner.

Bevorzugt sind mehrere Schleißkörper vorhanden. Dadurch kann Führung in zunehmendem Maße durch die Schleißkörper erfolgen.Several wear bodies are preferably present. As a result, guidance can increasingly be provided by the wearing bodies.

Bevorzugt sind alle Schleißkörper erfindungsgemäß ausgeführt. Dadurch wird ein maximaler Nutzen aus den mit der erfindungsgemäßen Vorrichtung verbundenen Vorteilen gezogen.All wear bodies are preferably designed according to the invention. This maximizes the benefits associated with the device of the present invention.

Vorteilhafte Wirkungen der ErfindungAdvantageous Effects of the Invention

Im Vergleich zur US2818954 mit ihren in einem Winkel zur Beförderungsrichtung angeordneten Führungsscheiben kann mit der erfindungsgemäßen Vorrichtung durch die plane und parallel zur Führungsebene stehende Schleißfläche eine größere Führungslänge für das Metallband realisiert werden. Dadurch wird im Vergleich eine geringere Flächenpressung hervorgerufen, was einerseits geringere Gefahr der Beschädigung einer Kante des Metallbandes bedeutet und daher dünnere Bänder behandelt werden können. Andererseits tritt dadurch weniger Verschleiß an den Schleißkörpern auf, was zu erhöhter Lebensdauer beziehungsweise geringerem Auswechselbedarf führt; in der Praxis ergibt sich beispielsweise ein sechsfach vergrößertes Auswechselintervall.In comparison to US2818954 with its guide disks arranged at an angle to the conveying direction, a greater guide length for the metal strip can be realized with the device according to the invention due to the planar wear surface standing parallel to the guide plane. In comparison, this causes a lower surface pressure, which on the one hand means a lower risk of damage to an edge of the metal strip and therefore thinner strips can be treated. On the other hand, there is less wear and tear on the wearing bodies, which leads to a longer service life or less need for replacement; in practice, for example, the replacement interval is six times longer.

Gegenüber der JP05161917 mit rotierenden Rollen führt das erfindungsgemäße Einnehmen definierter Drehpositionen zu einer verbesserten Führungsfunktion durch ein Einschneiden des Metallbandes in den Schleißkörper und verbesserter Verteilung des Verschleißes auf verschiedene Regionen. Dadurch können beispielsweise vergleichsweise dünnere Metallbänder behandelt werden.Opposite of JP05161917 with rotating rollers, the assumption of defined rotational positions according to the invention leads to an improved guiding function by cutting the metal strip into the wear body and improved distribution of the wear over different regions. As a result, comparatively thin metal strips can be treated, for example.

Vorzugsweise sind die Schleißkörper austauschbar, so dass bei übermäßigem Verschleiß dieser Bauteile einfach ersetzt werden kann. Ein demgegenüber aufwendigerer Austausch der Grundkörpermodule -beziehungsweise von Teilen der Grundkörpermodule wie beispielsweise Verschleißplatten - ist seltener notwendig. Das erspart Aufwand und Kosten bei der Instandhaltung der Vorrichtung zur seitlichen Führung.The wearing bodies are preferably exchangeable, so that these components can be easily replaced if there is excessive wear. In contrast, a more complex replacement of the base body modules—or parts of the base body modules such as wear plates—is necessary less often. This saves effort and costs when maintaining the device for lateral guidance.

Nach einer Ausführungsform sind mehrere in mehrere definierte Drehpositionen drehbare Schleißkörper mit Schleißfläche vorhanden, und zumindest einer dieser Schleißkörper ist unabhängig von anderen Schleißkörpern drehbar. Dadurch kann beim Exponieren neuer Bereiche auf das Ausmaß des Verschleißes individueller Schleißkörper Rücksicht genommen und individuell je nach Bedarf gedreht werden. Das kann den Erneuerungsaufwand für verbrauchte Schleißkörper weiter senken.According to one embodiment, there are a plurality of wear bodies that can be rotated into a plurality of defined rotational positions and have a wear surface, and at least one of these wear bodies can be rotated independently of other wear bodies. As a result, when exposing new areas, the extent of wear of individual wearing bodies can be taken into account and rotated individually as required. This can further reduce the replacement effort for used wear parts.

Nach einer Ausführungsform sind mehrere in mehrere definierte Drehpositionen drehbare Schleißkörper mit Schleißfläche vorhanden, und zumindest einer dieser Schleißkörper ist abhängig von zumindest einem anderen dieser Schleißkörper drehbar. Dadurch kann beim Exponieren neuer Bereiche auf das Ausmaß des Verschleißes von Gruppen von zumindest zwei Schleißkörpern Rücksicht genommen werden, und solche Gruppen je nach Bedarf gedreht werden. Das kann den Erneuerungsaufwand für verbrauchte Schleißkörper weiter senken.According to one embodiment, there are a plurality of wear bodies that can be rotated into a plurality of defined rotational positions and have a wear surface, and at least one of these wear bodies can be rotated as a function of at least one other of these wear bodies. This allows account to be taken of the extent of wear of groups of at least two wear bodies when new areas are exposed, and such groups can be rotated as required. This can further reduce the replacement effort for used wear parts.

Ein Schleißkörper ist drehbar um eine Drehachse. Wenn der Verschleiß eines Bereiches der Schleißfläche des Schleißkörpers ein akzeptables Ausmaß übersteigt, kann der Schleißkörper kontrolliert um die Drehachse gedreht werden, wodurch ein noch unverbrauchter Bereich der Kante des Metallbandes zugewendet und durch sie verschlissen wird. Durch mehrfaches kontrolliertes Drehen kann die Notwendigkeit zum Austausch der Schleißfläche beziehungsweise des Schleißkörpers verzögert werden, da immer neue, noch nicht verschlissene Bereiche der Kante des Metallbandes zugewendet werden.A wear body can be rotated about an axis of rotation. When the wear of a portion of the wearing surface of the wear body exceeds an acceptable level, the wear body can be rotated about the axis of rotation in a controlled manner are turned, whereby a still unused area of the edge of the metal strip is turned to and worn by it. Repeated controlled turning can delay the need to replace the wearing surface or the wearing body, since new, not yet worn areas are always turned towards the edge of the metal strip.

Bevorzugt ist der Schleißkörper bezüglich seines in Richtung Drehachse gesehenen Umfangs im Wesentlichen drehsymmetrisch, besonders bevorzugt rotationssymmetrisch. Dabei ist mit umfasst, dass der Schleißkörper an seinem Rand Ausnehmungen hat, die einen derartigen Umfang streckenweise unterbrechen.The wear body is preferably essentially rotationally symmetrical, particularly preferably rotationally symmetrical, with respect to its circumference as seen in the direction of the axis of rotation. It is also included that the wear body has recesses on its edge, which partially interrupt such a circumference.

Das hat bei drehsymmetrischen Schleißkörpern den Vorteil, dass bei Drehung um 360/n Grad - wobei n die Zähligkeit der Drehsymmetrie ist - das Ausmaß der seitlichen Führung durch die Schleißkörper -im Sinne von Kontakt zwischen Metallband und Schleißfläche - im Wesentlichen unbeeinflusst davon bleibt, ob und wie oft der Schleißkörper ausgehend von einer Ausgangsposition um 360/n Grad verdreht wurde - die Länge, über die geführt wird - die Führungslänge - bleibt immer gleich.With rotationally symmetrical wear bodies, this has the advantage that when rotated by 360/n degrees - where n is the number of rotational symmetry - the extent of the lateral guidance by the wear body - in terms of contact between the metal strip and the wear surface - remains essentially unaffected by whether and how often the wear body was rotated by 360/n degrees starting from a starting position - the length over which it is guided - the guide length - always remains the same.

Bei rotationssymmetrischen Schleißkörpern gilt das entsprechend, sogar unabhängig vom Drehwinkel.The same applies to rotationally symmetrical wear bodies, even regardless of the angle of rotation.

Ganz besonders bevorzugt ist der Schleißkörper eine runde Scheibe, deren Grundfläche die Schleißfläche des Schleißkörpers bildet, und die um eine Drehachse senkrecht zu ihrer Schleißfläche verdrehbar ist, wobei die Drehachse im Mittelpunkt der runden Scheibe liegt. Der Schleißkörper ist in diesem Fall rotationssymmetrisch bezüglich der Drehachse. Auf diese Weise wird das Metallband unabhängig davon, in welcher Drehposition sich der Schleißkörper befindet - das heißt also, unabhängig davon, um wie viel Grad er ausgehend von einer Ausgangsposition verdreht wurde -von der Schleißfläche immer über eine gleiche Länge geführt. Das Ausmaß der seitlichen Führung durch den Schleißkörper im Sinne von Kontakt zwischen Metallband und Schleißfläche bleibt also im Wesentlichen unbeeinflusst davon, wie sehr der Schleißkörper ausgehend von einer Ausgangsposition verdreht wurde. Selbstverständlich kann die Länge, über die das Metallband von der Schleißfläche geführt wird, aufgrund anderer Faktoren leicht variieren - beispielsweise kann sie je nachdem, ob das Metallband in vorhandene Einschnitte in der Schleißfläche gerät und ihm dadurch eine leichte Änderung der Laufrichtung aufgezwungen wird, leicht variieren.
Der Schleißkörper kann auch andere Formen haben als eine runde Scheibe zu sein, beispielsweise eine vieleckige Scheibe - beispielsweise eine sechseckige Scheibe.The wear body is very particularly preferably a round disk whose base forms the wear surface of the wear body and which can be rotated about an axis of rotation perpendicular to its wear surface, the axis of rotation lying in the center of the round disk. In this case, the wear body is rotationally symmetrical with respect to the axis of rotation. In this way, the metal strip is always guided over the same length by the wear surface, regardless of the rotational position in which the wear body is located—that is, regardless of how many degrees it was rotated from an initial position. The extent of the lateral guidance by the wearing body in terms of contact between the metal strip and the wearing surface thus remains essentially unaffected by how much the wearing body was twisted from an initial position. Of course, the length that the metal belt is guided by the wearing surface may vary slightly due to other factors - for example, it may vary slightly depending on whether the metal belt enters existing cuts in the wearing surface and is thereby forced to change its direction of travel slightly .
The wear body can also have other shapes than being a round disc, for example a polygonal disc - for example a hexagonal disc.

Nach einer bevorzugten Ausführungsform ist zumindest ein Schleißkörper in einer Ausnehmung des zumindest einen Grundkörpermodules anordenbar. Wenn der zumindest eine Schleißkörper in einer Ausnehmung des zumindest einen Grundkörpermodules angeordnet ist, ist es möglich, eine gleichzeitige Führung des Metallbandes durch das Grundkörpermodul und den Schleißkörper vorzunehmen - beispielsweise wenn die Schleißfläche des Schleißkörpers nicht über die Führungsebene des Grundkörpermoduls hinausragt, sondern zumindest teilweise in ihr liegt. Wenn die Schleißfläche wie erfindungsgemäß gefordert plan ist und parallel zur Führungsebene liegt, kann das der Fall sein, denn parallel zur Führungsebene umfasst auch in einer Ebene mit der Führungsebene. Oder wenn die Schleißfläche des Schleißkörpers nicht über die Führungsebene des Grundkörpermoduls herausragt und nicht in ihr liegt, sondern vom Metallband weiter entfernt ist als die Führungsebene des Grundkörpermoduls - und zwar dann, wenn das Metallband sich so weit in das Grundkörpermodul einschneidet, dass es auch mit der Schleißfläche in Kontakt kommt und dadurch geführt wird.According to a preferred embodiment, at least one wear body can be arranged in a recess of the at least one base body module. If the at least one wear body is arranged in a recess of the at least one base body module, it is possible to guide the metal strip through the base body module and the wear body at the same time - for example, if the wear surface of the wear body does not protrude beyond the guide plane of the base body module, but at least partially in her lies. If the wear surface is flat, as required according to the invention, and lies parallel to the guide plane, this can be the case because parallel to the guide plane also includes in one plane with the guide plane. Or if the wear surface of the wear body does not protrude beyond the guide level of the base body module and is not in it, but is further away from the metal strip than the guide level of the base body module - namely when the metal strip cuts so far into the base body module that it also comes into contact with the wear surface and is guided by it.

Bevorzugt ist die Ausnehmung rund. Das ermöglicht einfaches Verdrehen eines in dieser Ausnehmung angeordneten Schleißkörpers, wenn diese bezüglich seiner Drehachse drehsymmetrisch oder rotationssymmetrisch ist. Wenn die Ausnehmung nicht vollständig vom Grundkörpermodul umschlossen ist, folgt in dieser Ausführungsform der Rand der Ausnehmung im Grundkörpermodul einem Teil eines Kreises.The recess is preferably round. This enables a wear body arranged in this recess to be rotated easily if this is rotationally symmetrical or rotationally symmetrical with respect to its axis of rotation. In this embodiment, when the recess is not completely enclosed by the body module, the edge of the recess in the body module follows part of a circle.

Die Ausnehmung kann auch andere Formen haben.The recess can also have other shapes.

Bevorzugtermaßen ist der Schleißkörper- und gegebenenfalls die Ausnehmung - so angeordnet, dass der unter die Rollgangsoberkante eintauchende Teil möglichst groß ist.Preferably, the wearing body—and possibly the recess—is arranged in such a way that the part that dips under the upper edge of the roller table is as large as possible.

Das Metallband läuft im wesentlichen entlang der Rollgangsoberkante; je größer der Teil des Schleißkörpers - speziell eines rotationssymmetrischen Schleißkörpers, und ganz besonders einer runden Scheibe als Schleißkörper, der unter die Rollgangsoberkante eintaucht, ist, desto größer ist die von dem Schleißkörper dem Metallband zur Führung dargebotene Länge, was eine bessere Führung bewirkt.
Im Falle eines runden Schleißkörpers und einem Rollgang mit Rollgangrollen als Metallband-Fördervorrichtung ist es daher bevorzugt, dass die Drehachse für die drehbaren Schleißkörper über der Mitte zwischen den Drehachsen der Rollgangsrollen liegt. Dann ist die für den betreffendes Schleißkörper in dem betreffenden Rollgang die Realisierung einer maximalen Führungslänge möglich, denn in so einem Fall kann der Schleißkörper tiefer in den Zwischenraum zwischen den Rollgangsrollen eintauchen als wenn die Drehachse bezüglich der Mitte zwischen den Rollgangsrollen seitlich versetzt wäre.The metal strip essentially runs along the upper edge of the roller table; The larger the part of the wear body - especially a rotationally symmetrical wear body, and especially a round disc as a wear body, which dips under the upper edge of the roller table, the greater the length offered by the wear body to the metal strip for guidance, which results in better guidance.
In the case of a round wear body and a roller table with roller table rollers as the metal strip conveyor device, it is therefore preferred that the axis of rotation for the rotatable wear body lies above the center between the axes of rotation of the roller table rollers. It is then possible to implement a maximum guide length for the wear body in question in the roller table in question, because in such a case the wear body can penetrate deeper into the space between the rollers of the roller table than if the axis of rotation were offset laterally with respect to the center between the rollers of the roller table.

Besonders bevorzugt ist eine Ausführungsform, in der in einer runden Ausnehmung der Schleißkörper als runde Scheibe, deren Grundfläche die Schleißfläche des Schleißkörpers bildet, und die um eine Drehachse senkrecht zu ihrer Schleißfläche verdrehbar ist, wobei die Drehachse im Mittelpunkt der runden Scheibe liegt, ausgeführt ist, wobei bevorzugt der Schleißkörper passgenau - selbstverständlich mit geringem Spalt, um eine Drehbewegung zu ermöglichen

  • in der Ausnehmung angeordnet ist. Dann besteht nur eine geringe Gefahr, dass Kanten des Bandkopfes sich an Spalten zwischen Schleißkörper und Führungsebene spießen, und das Verdrehen des Schleißkörpers lässt sich ohne Notwendigkeit zusätzlicher Bewegungen des Schleißkörpers bewerkstelligen. Bei einem als Vieleck-Scheibe ausgebildeten Schleißkörper in einer passgenauen Ausnehmung wäre beispielsweise ein Verdrehen des Schleißkörpers nur möglich, nachdem der Schleißkörper aus der Führungsebene herausbewegt wird, nach dem Verdrehen müsste sie wieder in die Führungsebene hineinbewegt werden. Das kostet Zeit und erfordert geeignete Antriebsaggregate. Von Vorteil ist bei einer Vieleck-Scheibe in einer passgenauen Ausnehmung, dass praktisch eine Sicherung gegen ein unbeabsichtigtes Verdrehen des Schleißkörpers besteht - also definierte Drehpositionen durch die Form der Ausnehmung definiert sind.
Particularly preferred is an embodiment in which the wear body is designed as a round disk in a round recess, the base of which forms the wear surface of the wear body and which can be rotated about an axis of rotation perpendicular to its wear surface, with the axis of rotation being in the center of the round disk , whereby the wearing body preferably fits perfectly - of course with a small gap to enable a rotary movement
  • is arranged in the recess. There is then only a slight risk that edges of the tape head will impale themselves on the gaps between the wear body and the guide plane, and the wear body can be twisted without the need for additional movements of the wear body. In the case of a wear body designed as a polygonal disk in a precisely fitting recess, for example, the wear body could only be rotated after the wear body had been moved out of the guide plane; after twisting, it would have to be moved back into the guide plane. This takes time and requires suitable drive units. The advantage of a polygonal disk in a precisely fitting recess is that there is practically a safeguard against unintentional rotation of the wear body—that is, defined rotational positions are defined by the shape of the recess.

Wenn die Ausnehmung ein Verdrehen ohne solches Herausbewegen/Hineinbewegen ermöglichen soll, muss zwischen dem Rand der Ausnehmung und der Vieleck-Scheibe ein genügend großer Spalt vorhanden sein. Das hat den Nachteil, dass Ecken eines Bandkopfes sich an solchen Spalten spießen können.If the recess is to allow rotation without such moving out/moving in, there must be a sufficiently large gap between the edge of the recess and the polygon disc. This has the disadvantage that corners of a tape head can impale themselves on such gaps.

Nach einer Ausführungsform umfasst die erfindungsgemäße Vorrichtung zumindest einen Schleißkörper, für den der Abstand seiner Schleißfläche von der Führungsebene des Grundkörpermoduls verstellbar ist. Damit kann der Schleißkörper oder das Grundkörpermodul bezüglich Abstand zu einem zu führenden Metallband in verschiedene Positionen eingestellt werden. Beispielsweise kann, wenn der Schleißkörper das Metallband berührt, der Abstand ihrer Schleißfläche von der Führungsebene des Grundkörpermoduls beispielsweise dadurch verändert werden, dass das Grundkörpermodul von dem Metallband wegbewegt wird. Bei einer anderen Variante wird der Schleißkörper so in Richtung Metallband bewegt, dass sich der Abstand ihrer Schleißfläche von der Führungsebene des Grundkörpermoduls vergrößert, beispielsweise so lange, bis der Schleißkörper Kontakt mit dem Metallband hat; dabei vermindert sich eine seitliche Bewegungsfreiheit für das Metallband immer mehr.According to one embodiment, the device according to the invention comprises at least one wear body for which the distance of its wear surface from the guide plane of the base body module can be adjusted. In this way, the wearing body or the base body module can be set in different positions with regard to the distance from a metal strip to be guided. For example, when the wear body touches the metal strip, the distance between its wear surface and the guide plane of the base body module can be changed, for example, by the base body module being moved away from the metal strip. In another variant, the wear body is moved in the direction of the metal strip in such a way that the distance between its wear surface and the guide plane of the base body module increases, for example until the wear body is in contact with the metal strip; this reduces lateral freedom of movement for the metal strip more and more.

In einer sogenannten Führungsposition liegt zumindest ein Teil des Schleißkörpers außerhalb der Führungsebene des Grundkörpermoduls, und zwar in Richtung der zu führenden Kante des Metallbandes. Sie befindet sich also näher am zu führenden Metallband als das Grundkörpermodul; dann wird die seitliche Führung des Metallbandes in erster Linie von diesem Teil des Schleißkörpers beziehungsweise ihrer Schleißfläche durchgeführt, und nicht von der Führungsebene des Grundkörpermoduls. Auf diese Weise wird das teuer und aufwendig zu fertigende Grundkörpermodul erheblich weniger stark verschlissen, es unterliegt abgesehen vom Einlauf des Bandkopfes nahezu keinem Verschleiß.In a so-called guiding position, at least part of the wear body lies outside the guiding plane of the base body module, specifically in the direction of the edge of the metal strip to be guided. It is therefore closer to the metal strip to be guided than the base body module; then the lateral guidance of the metal strip is carried out primarily by this part of the wear body or its wear surface, and not by the guide plane of the base body module. In this way, the base body module, which is expensive and complex to produce, is subject to considerably less wear; apart from the infeed of the tape head, it is subject to almost no wear.

Die Schleißkörper können beispielsweise in die Führungsposition - in welcher sie die alleinige Bandführung übernehmen - eingestellt werden, sobald der Bandkopf des Metallbandes die Vorrichtung zur seitlichen Führung passiert hat, denn dann besteht keine Gefahr mehr, dass seine Ecken sich spießen. Der Verschleiß des teuren Grundkörpermoduls wird dann erheblich vermindert, stattdessen verschleißt erfindungsgemäß der günstig herstellbare Schleißkörper.The wear bodies can, for example, be in the guide position - in which they take over the sole tape guidance - as soon as the tape head of the metal tape has passed the device for lateral guidance, because then there is no longer a risk that its corners impale each other. The wear of the expensive base body module is then considerably reduced; instead, according to the invention, the wearing body, which can be produced cheaply, wears out.

Beim Einlauf des Bandkopfes würde bei Schleißkörpern in Führungsposition die Gefahr bestehen, dass sich die Ecken des Bandkopfes an diesen Schleißkörpern spießen. Für so eine Phase können die Schleißkörper so verstellt werden - beispielsweise durch Einfahren in Ausnehmungen des Grundkörpermoduls - dass sie nicht aus der Führungsebene hervorragen und daher keine Gefahr besteht, dass ein Bandkopf seine Ecken an Erhebungen aus der Führungsebene spießen kann.When the tape head is fed in, there would be a risk that the corners of the tape head would impale themselves on these wear elements if the wear elements were in the guide position. For such a phase, the wear bodies can be adjusted - for example by moving into recesses in the base body module - so that they do not protrude from the guide level and therefore there is no risk that a tape head can impale its corners on elevations from the guide level.

In einer sogenannten Grundkörperposition kann der Schleißkörper gegebenenfalls zusammen mit der Führungsebene des Grundkörpermoduls die seitliche Führung des Metallbandes übernehmen. Das Metallband wird in diesem Fall sowohl die Führungsebene des Grundkörpermoduls als auch die Schleißfläche der Schleißkörper verschleißen.In a so-called base body position, the wearing body can optionally take over the lateral guidance of the metal strip together with the guide plane of the base body module. In this case, the metal band will wear down both the guide plane of the base body module and the wear surface of the wear body.

Der Schleißkörper kann beispielsweise dadurch verstellt werden, dass er aus der Führungsebene durch eine Bewegung senkrecht zur Führungsebene hinausgeschoben wird - mittels entsprechender Verstellvorrichtungen. Wenn er senkrecht verschoben wird, liegt in der Führungsposition die gesamte Schleißfläche außerhalb der Führungsebene, und alle Punkte der Schleißfläche haben den gleichen Abstand zur Führungsebene, was einen gleichmäßigen Verschleiß durch das Metallband begünstigt.The wearing body can be adjusted, for example, by being pushed out of the guide plane by a movement perpendicular to the guide plane—by means of appropriate adjustment devices. When it is moved vertically, in the guide position the entire wear surface is outside the guide plane and all points of the wear surface are equidistant from the guide plane, which promotes even wear through the metal belt.

Ein senkrecht zur Führungsebene erfolgendes Verschieben ist beispielsweise dann besonders bevorzugt, wenn es sich bei dem Schleißkörper um eine runde Scheibe handelt, deren Grundfläche die Schleißfläche des Schleißkörpers bildet, und die um eine Drehachse senkrecht zu ihrer Schleißfläche verdrehbar ist, wobei die Drehachse im Mittelpunkt der runden Scheibe liegt. Dabei erfolgt das Verschieben in Richtung der Drehachse, welche auch senkrecht zur Führungsebene steht. Eine derartige Ausführungsform ist besonders einfach zu bauen.Displacement perpendicular to the guide plane is particularly preferred, for example, when the wear body is a round disk whose base forms the wear surface of the wear body and which can be rotated about an axis of rotation perpendicular to its wear surface, with the axis of rotation being in the center of the round disk lies. The shifting takes place in the direction of the axis of rotation, which is also perpendicular to the guide plane. Such an embodiment is particularly easy to build.

Nach einer speziellen Ausführungsform davon ist für zumindest einen Schleißkörper unabhängig von anderen Schleißkörpern der Abstand seiner Schleißfläche von der Führungsebene des Grundkörpermoduls verstellbar.According to a special embodiment thereof, the distance of its wear surface from the guide plane of the base body module can be adjusted for at least one wear body independently of other wear bodies.

Dadurch ist es möglich, die Zahl der seitliche Führung gebenden Schleißkörperzu variieren, beispielsweise je nach Anforderungen des geführten Metallbandes. Dadurch kann gezielt auf Führungsbedarf mittels Führungsebene oder Schleißkörper in speziellen Bereichen der Vorrichtung Rücksicht genommen werden, und in solchen Bereichen individuell pro Schleißkörper verstellt werden. Damit kann der Verschleiß nicht unbedingt benötigter Schleißkörper vermindert und damit der notwendige Instandhaltungsaufwand um ein vielfaches minimiert werden.This makes it possible to vary the number of wear bodies providing lateral guidance, for example depending on the requirements of the metal strip being guided. As a result, the need for guidance can be taken into account in a targeted manner by means of a guidance level or wearing bodies in special areas of the device, and adjustments can be made individually for each wearing body in such areas. In this way, the wear and tear of wear parts that are not absolutely necessary can be reduced and the necessary maintenance effort can be minimized many times over.

Bevorzugt sind alle Schleißkörper so ausgeführt.All wear bodies are preferably designed in this way.

Nach einer anderen Ausführungsform davon sind mehrere Schleißkörper, für die der Abstand ihrer Schleißfläche von der Führungsebene des Grundkörpermoduls verstellbar ist, vorhanden, wobei er bei zumindest einem dieser Schleißkörper abhängig von zumindest einem anderen dieser Schleißkörper verstellbar ist.According to another embodiment of this, there are several wear bodies, for which the distance between their wear surfaces is adjustable from the management plane of the base body module, being adjustable in at least one of these wearing bodies depending on at least one other of these wearing bodies.

Dadurch kann gezielt auf Führungsbedarf mittels Führungsebene oder Schleißkörper in speziellen, sich über die Ausdehnung von Gruppen von Schleißkörpern erstreckenden, Bereichen der Vorrichtung Rücksicht genommen werden, und für solche Gruppen je nach Bedarf verstellt werden. Das kann den Erneuerungsaufwand für verbrauchte Schleißkörper weiter senken und macht die Bedienung einfacher und erfordert weniger baulichen Aufwand gegenüber einer Einstellbarkeit unabhängig voneinander.As a result, it is possible to take specific account of the need for guidance by means of a guidance level or wearing bodies in special areas of the device that extend over the extent of groups of wearing bodies, and to adjust them for such groups as required. This can further reduce the replacement effort for worn wear bodies and makes operation easier and requires less structural effort compared to being able to adjust them independently of one another.

Bevorzugt sind alle dieser Schleißkörper abhängig von zumindest einem anderen dieser Schleißkörper verstellbar, also alle Schleißkörper im Verbund verstellbar.All of these wear bodies can preferably be adjusted as a function of at least one other of these wear bodies, ie all wear bodies can be adjusted in combination.

Bevorzugt ist der zumindest eine Schleißkörper, für den der Abstand seiner Schleißfläche von der Führungsebene des Grundkörpermoduls verstellbar ist, während des Bandlaufes verstellbar.Preferably, the at least one wear body, for which the distance of its wear surface from the guide plane of the base body module is adjustable, can be adjusted while the belt is running.

Nach einer bevorzugten Ausführungsform weist die Vorrichtung zumindest eine Schleißkörper-Führungsrolle auf, die durch eine Ausnehmung der Schleißfläche eines Schleißkörpers oder eine Öffnung der Schleißfläche eines Schleißkörpers geführt ist und zumindest teilweise aus dieser Schleißfläche hervorragt.According to a preferred embodiment, the device has at least one wear body guide roller, which is guided through a recess in the wear surface of a wear body or an opening in the wear surface of a wear body and protrudes at least partially from this wear surface.

Unter einer Öffnung derSchleißfläche istzu verstehen ein Loch in der Schleißfläche, das vollständig von derSchleißfläche umgeben ist. Im Gegensatz dazu ist eine Ausnehmung der Schleißfläche nicht vollständig von der Schleißfläche umgeben.An opening in the wear surface means a hole in the wear surface that is completely surrounded by the wear surface. In contrast to this, a recess in the wear surface is not completely surrounded by the wear surface.

Entsprechend kann in der erfindungsgemäßen Vorrichtung bei Bedarf der Vorteil einer seitlichen Führung durch Führungsrollen genutzt werden, und wenn das nicht mehr gewünscht oder notwendig ist - beispielsweise bei dünnen Metallbändern mit Dicken bis 5 mm -, die seitliche Führung wieder von den Schleißflächen geleistet werden.Accordingly, the advantage of lateral guidance by guide rollers can be used in the device according to the invention, and if this is no longer desired or necessary - for example with thin metal strips with thicknesses of up to 5 mm - the lateral guidance can again be provided by the wear surfaces.

Das Vorsehen der Schleißkörper-Führungsrollen hat also den Vorteil, dass je nach Dicke des zu führenden Metallbandes zwischen Führung mittels Schleißkörper-Führungsrollen und Führung mittels Schleißkörpern gewählt werden kann. Oder es kann je nachdem, ob Gefahr besteht, Ecken des Bandkopfes zu spießen oder Kanten des Metallbandes zu beschädigen, zwischen Führung mittels Schleißkörper-Führungsrollen und Führung mittels Schleißkörpern gewählt werden.The provision of the wear body guide rollers therefore has the advantage that, depending on the thickness of the metal strip to be guided, a choice can be made between guidance by means of wear body guide rollers and guidance by means of wear bodies. Or, depending on whether there is a risk of puncturing the corners of the strip head or damaging the edges of the metal strip, you can choose between guidance using wear body guide rollers and guidance using wear bodies.

Nach einer bevorzugten Ausführungsform weist die Vorrichtung zumindest eine Schleißkörper-Führungsrolle auf, die zumindest in

  • eine Parkposition
    und
  • eine Führungsposition
einstellbar ist.According to a preferred embodiment, the device has at least one wear body guide roller, which is at least
  • a parking position
    and
  • a leadership position
is adjustable.

In der sogenannten Führungsposition ist die Schleißkörper-Führungsrolle geeignet, das über die Metallband-Fördervorrichtung laufende Metallband seitlich zu führen. In der sogenannten Parkposition ist sie nicht dazu geeignet - dann wird das Metallband durch Schleißkörper und/oder die Führungsebene geführt.In the so-called guide position, the wear body guide roller is suitable for laterally guiding the metal band running over the metal band conveyor. It is not suitable for this in the so-called parking position - the metal strip is then guided through the wear body and/or the guide level.

Nach einer Ausführungsform ist die Schleißkörper-Führungsrolle an oder auf einem Schleißkörper befestigt; bevorzugt ist sie dabei durch Verdrehen der Schleißkörper in Parkposition oder Führungsposition einstellbar.According to one embodiment, the wear body guide roller is attached to or on a wear body; it can preferably be adjusted by rotating the wear body in the parked position or in the guide position.

Die Schleißkörper-Führungsrolle kann auch am Grundkörpermodul befestigt sein, oder an anderen Teilen der Vorrichtung, oder an angrenzenden Vorrichtungen.The wear body guide roller can also be attached to the main body module, or to other parts of the device, or to adjacent devices.

Nach einer bevorzugten Ausführungsform ist in der Führungsposition die Rollenfläche der Schleißkörper-Führungsrolle durch eine Ausnehmung der Schleißfläche eines Schleißkörpers oder eine Öffnung der Schleißfläche eines Schleißkörpers geführt und ragt zumindest teilweise aus dieser Schleißfläche hervor.According to a preferred embodiment, in the guide position the roller surface of the wear body guide roller is guided through a recess in the wear surface of a wear body or an opening in the wear surface of a wear body and protrudes at least partially from this wear surface.

Nach einer Variante liegt dabei in der Parkposition die Rollenfläche der Schleißkörper-Führungsrolle von der Kante eines zu führenden Metallbandes in Richtung Schleißfläche gesehen jenseits der Schleißfläche. Wenn die Rollenoberfläche der Schleißkörper-Führungsrolle in Richtung der Schleißfläche gesehen jenseits der Schleißfläche - anders ausgedrückt unterhalb der Schleißfläche - liegt, trägt sie nicht zur seitlichen Führung bei. In der Führungsposition ragt die Rollenfläche der Schleißkörper-Führungsrolle zumindest teilweise aus der Schleißfläche hervor - von der Schleißfläche in Richtung von der Führungsebene des Grundkörpermoduls weg gesehen, oder anders ausgedrückt zur Kante eines zu führenden Metallbandes hin gesehen. Das Metallband kommt dann in erster Linie in Kontakt mit den Schleißkörper-Führungsrollen und wird in erster Linie durch sie geführt statt durch die Schleißfläche.According to one variant, in the parking position, the roller surface of the wear-body guide roller lies beyond the wear surface, viewed from the edge of a metal strip to be guided in the direction of the wear surface. If the roller surface of the wear body guide roller is seen in the direction of the wear surface beyond the wear surface - in other words, below the wear surface - it does not contribute to the lateral guidance. In the guiding position, the roller surface of the wear body guide roller protrudes at least partially out of the wear surface—seen from the wear surface in the direction away from the guide plane of the base body module, or in other words towards the edge of a metal strip to be guided. The metal strip then primarily contacts and is guided primarily by the wear body guide rollers rather than by the wear surface.

Dabei liegt die Drehachse der Schleißkörper-Führungsrollen bevorzugt so, dass die Schleißkörper-Führungsrollen durch Kontakt mit dem Metallband in Drehbewegung versetzt werden. Das sorgt für einen geringen Verschleiß der Schleißkörper-Führungsrollen, da zumindest ein Teil der vom Metallband beim Kontakt auf die Schleißkörper-Führungsrolle übertragenen Energie in eine Drehbewegung der Rollen umgesetzt wird, statt zu Verschleißerscheinungen beizutragen. Bevorzugt steht dabei die Drehachse der Schleißkörper-Führungsrolle im Wesentlichen senkrecht zur Laufrichtung des Metallbandes.The axis of rotation of the wear-body guide rollers is preferably located in such a way that the wear-body guide rollers are set in rotary motion by contact with the metal strip. This ensures low wear of the guide rollers subject to wear, since at least part of the energy transmitted by the metal strip upon contact with the guide rollers subject to wear is converted into a rotary movement of the rollers instead of contributing to signs of wear. The axis of rotation of the wear body guide roller is preferably essentially perpendicular to the running direction of the metal strip.

Die Schleißkörper-Führungsrolle kann dabei beispielsweise durch Verschieben, oder Ausklappen beziehungsweise Einklappen, oder Verdrehenaus der Parkposition in die Führungsposition oder zurück eingestellt werden.The wear body guide roller can, for example, by moving, or unfolding or Folding, or twisting from the park position to the guide position or back.

Nach einer anderen Variante ragt dabei die Rollenfläche der Schleißkörper-Führungsrolle sowohl in der Parkposition als auch in der Führungsposition von der Schleißfläche in Richtung Metallband gesehen zumindest teilweise aus der Schleißfläche hervor.According to another variant, the roller surface of the wear body guide roller protrudes at least partially out of the wear surface both in the parking position and in the guide position, viewed from the wear surface in the direction of the metal strip.

Durch Verdrehen des Schleißkörpers wird die Position der Öffnung oder Ausnehmung der Schleißfläche und der aus dieser Öffnung oder Ausnehmung hervorragenden Schleißkörper-Führungsrolle geändert. Entsprechend kann durch Verdrehen des Schleißkörpers in eine Position, in der ein zu führendes Metallband mit der Schleißkörper-Führungsrolle in Kontakt kommen und dadurch geführt werden kann, die Führungsposition eingestellt werden. Zwischen Führung mittels Schleißkörper und Führung mittels Schleißkörper-Führungsrollen kann also einfach gewählt werden.By turning the wear body, the position of the opening or recess of the wear surface and of the wear body guide roller protruding from this opening or recess is changed. Correspondingly, the guide position can be adjusted by rotating the wear body into a position in which a metal strip to be guided can come into contact with the wear body guide roller and be guided thereby. It is therefore easy to choose between guidance by means of wear parts and guidance by means of wear part guide rollers.

In Führungsposition liegt die Drehachse der Schleißkörper-Führungsrollen bevorzugt so, dass die Schleißkörper-Führungsrollen durch Kontakt mit dem Metallband in Drehbewegung versetzt werden. Das sorgt für einen geringen Verschleiß der Schleißkörper-Führungsrollen, da zumindest ein Teil der vom Metallband beim Kontakt auf die Schleißkörper-Führungsrolle übertragenen Energie in eine Drehbewegung der Rollen umgesetzt wird, statt zu Verschleißerscheinungen beizutragen.In the guide position, the axis of rotation of the wear-body guide rollers is preferably such that the wear-body guide rollers are set in rotary motion by contact with the metal strip. This ensures low wear of the guide rollers subject to wear, since at least part of the energy transmitted by the metal strip upon contact with the guide rollers subject to wear is converted into a rotary movement of the rollers instead of contributing to signs of wear.

Bevorzugt steht dabei die Drehachse der Schleißkörper-Führungsrolle im Wesentlichen senkrecht zur Laufrichtung des Metallbandes.The axis of rotation of the wear body guide roller is preferably essentially perpendicular to the running direction of the metal strip.

In der Parkposition ist der Schleißkörper beziehungsweise die Öffnung in der Schleißfläche so positioniert, dass die aus der Schleißfläche hervorragende Schleißkörper-Führungsrolle nicht mit dem zu führenden Metallband in Kontakt kommt - die Führung des Metallbandes erfolgt durch die Schleißkörper.In the parking position, the wear body or the opening in the wear surface is positioned in such a way that the wear body guide roller protruding from the wear surface does not come into contact with the metal strip to be guided - the metal strip is guided by the wear body.

Entsprechend kann in der erfindungsgemäßen Vorrichtung durch Einstellung der Schleißkörper-Führungsrolle in Führungsposition bei Bedarf der Vorteil einer seitlichen Führung durch Schleißkörper-Führungsrollen genutzt werden, und wenn das nicht mehr gewünscht oder notwendig ist - beispielsweise bei dünnen Metallbändern mit Dicken bis 5 mm -, durch Einstellung der Schleißkörper-Führungsrolle in die Parkposition die seitliche Führung wieder von den Schleißflächen geleistet werden.Accordingly, in the device according to the invention, by setting the wear body guide roller in the guide position, the advantage of lateral guidance by wear body guide rollers can be used if necessary, and if this is no longer desired or necessary - for example in the case of thin metal strips with thicknesses of up to 5 mm - Setting the wear body guide roller in the parking position, the lateral guidance can again be provided by the wear surfaces.

Das Vorsehen derartiger Schleißkörper-Führungsrollen hat also den Vorteil, dass je nach Dicke des zu führenden Metallbandes zwischen Führung mittels Schleißkörper-Führungsrollen und Führung mittels Schleißkörpern gewählt werden kann. Oder es kann je nachdem, ob Gefahr besteht, Ecken des Bandkopfes zu spießen oder Kanten des Metallbandes zu beschädigen, zwischen Führung mittels Schleißkörper-Führungsrollen und Führung mittels Schleißkörpern gewählt werden.The provision of such wear body guide rollers has the advantage that, depending on the thickness of the metal strip to be guided, it is possible to choose between guidance by means of wear body guide rollers and guidance by means of wear bodies. Or, depending on whether there is a risk of puncturing the corners of the strip head or damaging the edges of the metal strip, you can choose between guidance using wear body guide rollers and guidance using wear bodies.

Beispielsweise ist bei dicken Metallbändern - beispielsweise mit Dicken über 5mm - die Gefahr, dass die Bandkanten des Bandkopfes durch hervorstehende Rollen beschädigt werden sehr gering oder gar nicht gegeben. Bei dicken Metallbändern wird man daher die Schleißkörper-Führungsrolle noch vor dem Einlaufen des Metallbandes in Führungsposition bringen.For example, in the case of thick metal strips—for example with a thickness of more than 5 mm—the risk of the tape edges of the tape head being damaged by protruding rollers is very low or non-existent. In the case of thick metal strips, the wear body guide roller should therefore be brought into the guide position before the metal strip enters.

Ebenso ist eine Kombination aus Führung des Metallbandes mit Schleißkörper-Führungsrollen und den Schleißkörper-Führungsrollen vor- oder nachgelagerten Schleißkörpern möglich.A combination of guiding the metal strip with wear body guide rollers and the wear body guide rollers upstream or downstream of the wear bodies is also possible.

Ein weiterer Gegenstand der vorliegenden Anmeldung ist ein Verfahren zur seitlichen Führung von über eine Metallband-Fördervorrichtung laufenden Metallbändern
mittels einer Vorrichtung zur seitlichen Führung eines Metallbandes umfassend zumindest ein Grundkörpermodul mit Führungsebene sowie zumindest einen Schleißkörper mit planer Schleißfläche,
dadurch gekennzeichnet, dass

  • nachdem ein erstes Metallband die Metallband-Fördervorrichtung durchlaufen hat, und bevor ein zweites Metallband in die Metallband-Fördervorrichtung einläuft,
  • der Schleißkörper kontrolliert von einer ersten definierten Drehposition in eine zweite definierte Drehposition gedreht wird, wobei
  • die Schleißfläche in allen definierten Drehpositionen parallel zur Führungsebene ist.
A further object of the present application is a method for the lateral guidance of metal strips running over a metal strip conveyor
by means of a device for the lateral guidance of a metal strip, comprising at least one base body module with a guide plane and at least one wear body with a planar wear surface,
characterized in that
  • after a first metal strip has run through the metal strip conveyor and before a second metal strip enters the metal strip conveyor,
  • the wear body is rotated in a controlled manner from a first defined rotational position into a second defined rotational position, wherein
  • the wear surface is parallel to the guide plane in all defined rotary positions.

Es gibt zwei oder mehr definierte Drehpositionen. Die Begriffe erste Drehposition und zweite definierte Drehposition bedeuten lediglich, dass es sich um zwei verschiedene Drehpositionen handelt. Sie bedeuten in diesem Zusammenhang nicht, dass es zwangsweise lediglich zwei Drehpositionen gibt.There are two or more defined rotational positions. The terms first rotational position and second defined rotational position only mean that there are two different rotational positions. In this context, they do not mean that there are necessarily only two rotational positions.

Die Begriffe erstes Metallband und zweites Metallband bedeuten lediglich, dass es sich um zwei verschieden Metallbänder handelt. Sie bedeuten in diesem Zusammenhang nicht, dass es zwangsweise lediglich zwei Metallbänder gibt. Sie bedeuten in diesem Zusammenhang nicht, dass zwischen zwei aufeinanderfolgenden Metallbändern zwangsweise immer gedreht wird; ein Drehen kann auch erst stattfinden, nachdem mehrere Metallbänder die Vorrichtung durchlaufen haben, bevor ein weiteres Metallband die Vorrichtung durchläuft; auf dieses weitere Metallband können auch wieder mehrere Metallbänder folgen, bevor erneut ein Drehen stattfindet.The terms first metal band and second metal band mean only that there are two different metal bands. In this context, they do not mean that there are necessarily only two metal strips. In this context, they do not mean that there is always a forced rotation between two consecutive metal bands; turning can also only take place after several metal strips have passed through the device, before another metal strip passes through the device; This further metal band can also be followed by several metal bands again before rotation takes place again.

Beispielsweise können zuerst zehn Metallbänder die Vorrichtung durchlaufen, dann erfolgt ein Drehen, bevor ein elftes Metallband als erstes Metallband einer Gruppe von zehn weiteren Metallbändern die Vorrichtung durchläuft. Während Metallband elf bis Metallband zwanzig die Vorrichtung durchlaufen, erfolgt kein Drehen.For example, ten metal strips can first run through the device, then a turning takes place before an eleventh metal strip runs through the device as the first metal strip of a group of ten further metal strips. While metal strip eleven to metal strip twenty pass through the device, no rotation occurs.

Auf diese Weise können definiert frische Bereiche der Schleißkörper einem Verschleiß exponiert werden, wobei vorzugsweise die Führungslänge sich nicht durch veränderte Orientierung der Schleißflächen verändert.In this way, defined fresh areas of the wearing bodies can be exposed to wear, with preferably the guide length does not change due to the changed orientation of the wearing surfaces.

Nach einer Ausführungsform ist das Verfahren dadurch gekennzeichnet, dass nach einer ersten Seitenführungsphase an zumindest einer Seite des Metallbandes mittels Grundkörpermodul, und gegebenenfalls Schleißkörpern und/oder Schleißkörper-Führungsrollen,
in einer darauffolgenden zweiten Seitenführungsphase die seitliche Führung auf zumindest einer Seite des Metallbandes nur mittels Schleißkörpern erfolgt. Gegebenenfalls umfasst die Vorrichtung zur seitlichen Führung eines Metallbandes auch zumindest eine Schleißkörper-Führungsrolle.According to one embodiment, the method is characterized in that after a first phase of lateral guidance, on at least one side of the metal strip, by means of a base body module and optionally wearing bodies and/or wearing body guide rollers,
in a subsequent second lateral guidance phase, the lateral guidance on at least one side of the metal strip takes place only by means of wearing bodies. If necessary, the device for the lateral guidance of a metal strip also includes at least one wear body guide roller.

Dabei können bei seitlicher Führung in der zweiten Seitenführungsphase nur mittels Schleißkörpern ein Schleißkörper oder mehrere Schleißkörper seitlich führen.In the case of lateral guidance in the second lateral guidance phase, one or more wearing bodies can guide laterally only by means of wearing bodies.

Eine erste Phase der seitlichen Führung wird hier erste Seitenführungsphase genannt.A first phase of lateral guidance is referred to here as the first lateral guidance phase.

Eine zweite Phase der seitlichen Führung wird hier zweite Seitenführungsphase genannt.A second phase of the lateral guidance is referred to here as the second lateral guidance phase.

Wie vorab beschrieben, gibt es Phasen der seitlichen Führung für ein zu führendes Metallband, in denen es vorteilhaft ist, ein Metallband mittels der Führungsebene zu führen, ohne dass aus dieser Erhebungen herausragen - beispielsweise beim Einlauf des Bandkopfes. Das verursacht Verschleiß an der Führungsebene. In so einer Phase kann gegebenenfalls auch ein Schleißkörper in Grundkörperposition - also in einer Position, in der er keine Erhebung aus der Führungsebene bildet - zusammen mit der Führungsebene des Grundkörpermoduls die seitliche Führung des Metallbandes übernehmen. Das Metallband wird in diesem Fall sowohl die Führungsebene des Grundkörpermoduls als auch die Schleißfläche des Schleißkörpers verschleißen.As described above, there are phases in the lateral guidance for a metal strip to be guided, in which it is advantageous to guide a metal strip by means of the guide plane without elevations protruding from this—for example, when the strip head is fed in. This causes wear and tear on the management level. In such a phase, a wearing body in the base body position—that is, in a position in which it does not form an elevation from the management level—can also take over the lateral guidance of the metal strip together with the management level of the base body module. In this case, the metal strip will wear down both the guide plane of the base body module and the wear surface of the wear body.

Wenn die Notwendigkeit einer solchen seitlichen Führung für das betreffende Metallband vorüber ist - beispielsweise wenn der Bandkopf den Bereich der erfindungsgemäßen Vorrichtung verlassen hat -, wird erfindungsgemäß Verschleiß der Führungsebene vermieden, indem die Führung für den Großteil des Metallbandes nur noch mittels Schleißkörper erfolgt.When the need for such a lateral guide for the metal strip in question is over - for example when the head of the strip has left the area of the device according to the invention - wear and tear on the guide level is avoided according to the invention in that the majority of the metal strip is guided only by means of wear bodies.

Das kann beispielsweise mit der erfindungsgemäßen Vorrichtung mit zumindest einem Schleißkörper, für den der Abstand ihrer Schleißfläche von der Führungsebene des Grundkörpermoduls verstellbar ist, erreicht werden.This can be achieved, for example, with the device according to the invention with at least one wear body for which the distance between its wear surface and the guide plane of the base body module is adjustable.

Damit kann der Abstand der Schleißfläche von der Führungsebene, und damit auch der Abstand zu dem zu führenden Metallband in eine Position eingestellt werden, in der sie dem Metallband näher ist als die Führungsebene des Grundkörpermoduls - die Führungsposition.In this way, the distance between the wear surface and the guide plane, and thus also the distance from the metal strip to be guided, can be adjusted to a position in which it is closer to the metal band than the guide plane of the base body module—the guide position.

Die Schleißkörper beziehungsweise Schleißflächen können beispielsweise in die Führungsposition - in welcher sie die alleinige Bandführung übernehmen - eingestellt werden, sobald der Bandkopf des Metallbandes die Vorrichtung zur seitlichen Führung passiert hat, denn dann besteht keine Gefahr mehr, dass seine Ecken sich spießen. Der Verschleiß des Grundkörpermoduls wird dann für den Großteil der Bandlänge erheblich vermindert.The wear bodies or wear surfaces can, for example, be put into the guide position - in which they take over sole tape guidance - as soon as the tape head of the metal tape has passed the device for lateral guidance, because then there is no longer any risk of its corners impaling each other. Wear of the base module is then significantly reduced for most of the belt length.

Nach einer anderen Ausführungsform ist das Verfahren dadurch gekennzeichnet, dass nach einer ersten Seitenführungsphase an zumindest einer Seite des Metallbandes mittels Grundkörpermodul, und gegebenenfalls Schleißkörpern und/oder Schleißkörper-Führungsrollen, in einer darauffolgenden zweiten Seitenführungsphase die seitliche Führung auf zumindest einer Seite des Metallbandes auf eine der folgenden Arten erfolgt:

  • nur mittels Schleißkörper-Führungsrollen,
  • mittels Schleißkörpern und Schleißkörper-Führungsrollen.
According to another embodiment, the method is characterized in that after a first lateral guidance phase on at least one side of the metal strip by means of a base body module and, if necessary, wearing bodies and/or wear-body guide rollers, in a subsequent second lateral guidance phase, the lateral guidance on at least one side of the metal strip is shifted to one of the following types:
  • only by means of wear body guide rollers,
  • using wear pads and wear pad guide rollers.

In diesem Fall umfasst die Vorrichtung zur seitlichen Führung eines Metallbandes auch zumindest eine Schleißkörper-Führungsrolle.In this case, the device for laterally guiding a metal strip also includes at least one wear body guide roller.

Dabei können bei seitlicher Führung in der zweiten Seitenführungsphase nur mittels Schleißkörper-Führungsrollen eine Schleißkörper-Führungsrolle oder mehrere Schleißkörper-Führungsrollen seitlich führen.In the case of lateral guidance in the second lateral guidance phase, one wearing body guide roller or several wearing body guide rollers can guide laterally only by means of wearing body guide rollers.

Dabei können bei seitlicher Führung in der zweiten Seitenführungsphase mittels Schleißkörpern und Schleißkörper-Führungsrollen ein Schleißkörper oder mehrere Schleißkörper, und eine Schleißkörper-Führungsrolle oder mehrere Schleißkörper-Führungsrollen seitlich führen.In the case of lateral guidance in the second lateral guidance phase, one wearing body or several wearing bodies and one wearing body guide roller or several wearing body guide rollers can guide laterally by means of wear bodies and wear body guide rollers.

Bevorzugt wird nach der ersten Seitenführungsphase zumindest ein Schleißkörper und/oder das zumindest eine Grundkörpermodul in eine Position verstellt, in der die Schleißfläche des Schleißkörpers außerhalb der Führungsebene liegt. Es kann beispielsweise ein Schleißkörper, dessen Schleißfläche während der ersten Seitenführungsphase innerhalb der Führungsebene liegt, weiter in Richtung des zu führendes Metallbandes bewegt werden. Oder es kann das Führungsmodul weiter in Richtung vom zu führenden Metallband weg bewegt werden, so dass der Schleißkörper, der in seiner ursprünglichen Position verbleibt, sich näher beim Metallband befindet als das Führungsmodul.Preferably, after the first lateral guidance phase, at least one wear body and/or the at least one base body module is adjusted into a position in which the wear surface of the wear body lies outside of the guide plane. For example, a wear body whose wear surface lies within the guide plane during the first lateral guidance phase can be moved further in the direction of the metal strip to be guided. Or the guide module can be moved further in the direction away from the metal strip to be guided, so that the wear body, which remains in its original position, is closer to the metal strip than the guide module.

Es erfolgt dabei die seitliche Führung des Metallbandes in der zweiten Seitenführungsphase mittels zumindest einer Schleißkörper-Führungsrolle. Wie vorab beschrieben, ist es bisweilen vorteilhaft, eine Führungsfunktion von Schleißkörper-Führungsrollen übernehmen zu lassen.The lateral guidance of the metal strip takes place in the second lateral guidance phase by means of at least one wear body guide roller. As described above, it is sometimes advantageous to have wear body guide rollers take over a guiding function.

Nach einer bevorzugten Ausführungsform verläuft das erfindungsgemäße Verfahren so, dass während der zweiten Seitenführungsphase die seitliche Führung auf zumindest einer Seite des Metallbandes mittels mehrerer Schleißkörper erfolgt, wobei während der zweiten Seitenführungsphase zumindest ein Schleißkörper unter Verlust des Kontaktes ihrer Schleißfläche mit dem Metallband vom Metallband weg verstellt wird,
dann dieser Schleißkörper um eine Drehachse kontrolliert in eine neue definierte Drehposition gedreht wird,
und dann dieser Schleißkörper wieder unter Aufbau von Kontakt ihrer Schleißfläche mit dem Metallband zum Metallband hin verstellt wird.According to a preferred embodiment, the method according to the invention runs so that during the second lateral guidance phase, the lateral guidance on at least one side of the metal strip by means of several wearing body takes place, with at least one wearing body being displaced away from the metal strip during the second lateral guidance phase, with loss of contact between its wear surface and the metal strip,
then this wear body is rotated in a controlled manner about a rotation axis into a new defined rotation position,
and then this wear body is again adjusted towards the metal strip while building up contact of its wear surface with the metal strip.

Dadurch ist es möglich, während des Bandlaufes auf verschleißbedingten Bedarf nach Verstärkung der herrschenden Führungsfunktion reagieren zu können. Verschlissene Schleißkörper können während dem Bandlauf in Positionen verdreht werden, in denen noch unverschlissene Bereiche ihrer Schleißfläche dem Metallband exponiert werden.This makes it possible to be able to react to the wear-related need for reinforcement of the prevailing guide function while the strip is running. Worn wear bodies can be twisted into positions while the belt is running, in which areas of their wearing surface that are not yet worn are exposed to the metal belt.

Nach einer bevorzugten Ausführungsform wird die Art der seitlichen Führung zwischen gleitender Führung mittels Schleißkörpern und abwälzender Führung mittels Rollen umgestellt. Die Rollen können Schleißkörper-Führungsrollen sein oder andere Rollen zur Führung.According to a preferred embodiment, the type of lateral guidance is switched between sliding guidance by means of wear bodies and rolling guidance by means of rollers. The rollers can be wear body guide rollers or other guide rollers.

Nach einer Variante wird während der seitlichen Führung eines Metallbandes die Art der seitlichen Führung zwischen gleitender Führung und abwälzender Führung umgestellt. Ein Schritt dabei kann Drehen der Schleißkörper in eine neue definierte Drehposition sein, oder Verschieben, Ausklappen beziehungsweise Einklappen, oder Verdrehen von Schleißkörper-Führungsrollen oder anderen Rollen zur Führung.According to a variant, the type of lateral guidance is switched between sliding guidance and rolling guidance during the lateral guidance of a metal strip. One step in this process can be turning the wearing body into a new, defined rotational position, or moving, folding out or folding in, or rotating the wearing body guide rollers or other rollers for guidance.

Nach einer bevorzugten Ausführungsform umfasst die Art der seitlichen Führung sowohl gleitende Führung mittels Schleißkörpern als auch abwälzende Führung mittels Rollen. Die Rollen können Schleißkörper-Führungsrollen sein oder andere Rollen zur Führung.According to a preferred embodiment, the type of lateral guidance includes both sliding guidance by means of wear bodies and rolling guidance by means of rollers. The rollers can be wear body guide rollers or other guide rollers.

Vorrichtung und Verfahren gemäß der Erfindung erlauben es, den Wartungsaufwand im Vergleich zu herkömmlichen Vorrichtungen deutlich zu vermindern. Es wird der Zeitaufwand für den Austausch verschlissener Teile vermindert, da durch das mehrfache Exponieren noch unverschlissener Bereiche der Schleißfläche eines Schleißkörpers zum Metallband die Schleißkörper seltener als herkömmliche Schleißleisten ausgetauscht werden müssen. Der Austausch kann im Zuge anderer Wartungsstillstände erfolgen, Produktionsausfall infolge eines kurzen Wartungsintervalls für Schleißflächen kann so vermieden werden. Es wird auch der Kostenaufwand für den Austausch von Schleißkörpern gering gehalten, da die Schleißkörper einfach und billig gefertigt werden können.The device and method according to the invention make it possible to significantly reduce the maintenance effort compared to conventional devices. The time required for the replacement of worn parts is reduced, since the multiple exposure of still unworn areas of the wear surface of a wear body to the metal strip means that the wear bodies have to be replaced less frequently than conventional wear strips. The exchange can take place in the course of other maintenance downtimes, production downtime due to a short maintenance interval for wearing surfaces can thus be avoided. The cost of replacing wearing bodies is also kept low, since the wearing bodies can be manufactured simply and cheaply.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Nachfolgend wird die vorliegende Erfindung anhand mehrerer schematischer Figuren beispielhaft beschrieben.

  • Figur 1 zeigt schematisch eine herkömmliche Vorrichtung zur seitlichen Führung eines über einen Rollgang laufenden Metallbandes.
  • Figur 2 zeigt Teil einer Schleißleiste eines Einlauflineals einer bekannten Vorrichtung zur seitlichen Führung eines über einen Rollgang laufenden Metallbandes.
  • Figur 3 zeigt einen Ausschnitt einer erfindungsgemäßen Vorrichtung zur seitlichen Führung eines über einen Rollgang laufenden Metallbandes.
  • Figur 4 zeigt eine Vorrichtung wie in Figur 3 aufgeschnitten
  • Figur 5 zeigt für eine erfindungsgemäße Vorrichtung in Ausnehmungen des Grundkörpermoduls angeordnete Schleißkörper.
  • Figur 6 zeigt eine Ansicht entlang des Schnittes B-B aus Figur 5.
  • Figur 7 zeigt eine erfindungsgemäße Vorrichtung mit Schleißkörper-Führungsrollen in Parkposition.
  • Figur 8 zeigt eine Ansicht entlang des Schnittes A-A aus Figur 7.
  • Figur 9 zeigt eine erfindungsgemäße Vorrichtung mit Schleißkörper-Führungsrollen in Führungsposition.
  • Figur 10 zeigt eine Ansicht entlang des Schnittes C-C aus Figur 9.
  • Figur 11 zeigt eine zu Figur 6 weitgehend analoge Figur mit bezüglich Abstand zur Führungsebene verstellter Schleißfläche.
  • Figuren 12 und 13 zeigen Öffnung und Ausnehmung der Schleißfläche eines Schleißkörper.
  • Figuren 14 bis 20 zeigen verschiedene Ausführungsform eines Schleißkörpers.
The present invention is described below by way of example using a number of schematic figures.
  • figure 1 shows schematically a conventional device for the lateral guidance of a metal strip running over a roller table.
  • figure 2 shows part of a wear strip of an infeed ruler of a known device for the lateral guidance of a metal strip running over a roller table.
  • figure 3 shows a section of a device according to the invention for the lateral guidance of a metal strip running over a roller table.
  • figure 4 shows a device as in FIG figure 3 sliced open
  • figure 5 shows wear bodies arranged in recesses of the base body module for a device according to the invention.
  • figure 6 Figure 12 shows a view along section BB figure 5 .
  • figure 7 shows a device according to the invention with wear body guide rollers in the parking position.
  • figure 8 Figure 12 shows a view along section AA figure 7 .
  • figure 9 shows a device according to the invention with wear body guide rollers in the guide position.
  • figure 10 Figure 12 shows a view along section CC figure 9 .
  • figure 11 shows one to figure 6 largely analogous figure with the wear surface adjusted in relation to the distance to the guide plane.
  • Figures 12 and 13 show the opening and recess of the wear surface of a wear body.
  • Figures 14 to 20 show different embodiments of a wear body.

Beschreibung der AusführungsformenDescription of the embodiments Beispieleexamples

Figur 1 zeigt schematisch eine herkömmliche Vorrichtung 1 zur seitlichen Führung eines über einen Rollgang laufenden Metallbandes 2 seitlich von oben. Das Metallband 2 läuft in Pfeilrichtung in Richtung Treiber 3 einer Haspelanlage. Es wird mittels der Einlauflineale 4a, 4b seitlich geführt. figure 1 shows schematically a conventional device 1 for the lateral guidance of a metal strip 2 running over a roller table, laterally from above. The metal strip 2 runs in the direction of the arrow in the direction of the driver 3 of a coiler. It is guided laterally by means of the infeed guides 4a, 4b.

Figur 2 zeigt einen Teil einer Schleißleiste 5 eines Einlauflineals 4a oder 4b einer bekannten Vorrichtung 1 zur seitlichen Führung eines über einen Rollgang laufenden Metallbandes aus Figur 1. Mittels der Führungsebene 6 wird ein Metallband geführt. Dabei wird die Schleißleiste verschlissen und muss ausgetauscht werden. figure 2 shows part of a wear strip 5 of an infeed ruler 4a or 4b of a known device 1 for the lateral guidance of a metal strip running over a roller table figure 1 . By means of the management level 6 guided by a metal band. The wear strip is worn out and must be replaced.

Figur 3 zeigt einen Ausschnitt einer erfindungsgemäßen Vorrichtung zur seitlichen Führung eines über einen Rollgang als Metallband-Fördervorrichtung laufenden Metallbandes. Gezeigt ist von der Vorrichtung ein Grundkörpermodul 7 bestehend aus Stützkörper 8, tragend eine Verschleißplatte 9 mit vertikaler Führungsebene 10. Dargestellt sind auch Rollgangsrollen 11 a, 11 b, 11 c, 11 d. Es ist auch dargestellt ein Schleißkörper 12, dessen Schleißfläche 12a in der Darstellung in einer Ebene mit der Führungsebene 10 liegt. Der Schleißkörper 12 ist kontrolliert in mehrere definierte Drehpositionen drehbar. Die Schleißfläche 12a ist plan und in allen definierten Drehpositionen parallel zur Führungsebene 10. Der Schleißkörper 12 ist eine runde Scheibe, deren Grundfläche die Schleißfläche des Schleißkörpers bildet. figure 3 shows a section of a device according to the invention for the lateral guidance of a metal strip running over a roller table as a metal strip conveyor device. The device shows a base body module 7 consisting of a support body 8, carrying a wear plate 9 with a vertical guide plane 10. Roller table rollers 11a, 11b, 11c, 11d are also shown. A wear body 12 is also shown, the wear surface 12a of which lies in one plane with the guide plane 10 in the illustration. The wear body 12 can be rotated into a number of defined rotational positions in a controlled manner. The wear surface 12a is flat and parallel to the guide plane 10 in all defined rotational positions. The wear body 12 is a round disk, the base of which forms the wear surface of the wear body.

Der Schleißkörper 12 ist in einer weitgehend runden Ausnehmung der Verschleißplatte 9 angeordnet - da die Verschleißplatte 9 den Schleißkörper 12 nicht völlig umspannt, ist die Ausnehmung nicht ganz rund; der den Schleißkörper 12 umfassende Teil ist jedoch Teil eines Kreises.The wear body 12 is arranged in a largely round recess in the wear plate 9—since the wear plate 9 does not completely encompass the wear body 12, the recess is not quite round; however, the part encompassing the wear body 12 is part of a circle.

Zu sehen sind auch Anfasungen zwischen Grundfläche und Seitenfläche der runden Scheiben der Schleißkörper 12, die im Vergleich zu Schleißkörper ohne Anfasungen zur Vermeidung der Gefahr eines Spießens des Metallbandes am Rand zwischen Seitenfläche und Grundfläche dienen.Also visible are chamfers between the base and side surface of the round discs of the wear body 12, which, in comparison to wear bodies without chamfers, serve to avoid the risk of the metal strip spiking at the edge between the side surface and base surface.

In einem zu Figur 3 analogen Beispiel, das nicht extra dargestellt ist, ist der Schleißkörper um eine Drehachse senkrecht zur Führungsebene verdrehbar. Die Drehachse liegt im Mittelpunkt der runden Scheibe. Die Drehachse ist über der Mitte zwischen den Drehachsen der Rollgangsrollen angeordnet.In one to figure 3 analogous example, which is not shown separately, the wear body can be rotated about an axis of rotation perpendicular to the guide plane. The axis of rotation is in the center of the round disc. The axis of rotation is located midway between the axes of rotation of the table rollers.

Figur 4 zeigt eine Vorrichtung wie in Figur 3 aufgeschnitten. Zu sehen ist das Grundkörpermodul 7 bestehend aus Stützkörper 8 und die geschnittene Verschleißplatte 9 mit Führungsebene 10. Der Schleißkörper 12 ist auf einer Verstellvorrichtung, hier einem Drehverstellmodul 13 befestigt, welches in dem Grundkörpermodul 7 befestigt ist. Mittels des Drehverstellmoduls 13 kann der Schleißkörper 12 kontrolliert in mehrere definierte Drehpositionen gedreht werden. Außerdem kann mittels des Drehverstellmoduls 13 der Abstand der Schleißfläche 12a von der Führungsebene 10 des Grundkörpermoduls 7 verstellt werden, indem der Schleißkörper 12 aus der Führungsebene 10 heraus verfahren sowie auch wieder zurück verfahren werden kann, was nicht extra dargestellt ist. figure 4 shows a device as in FIG figure 3 sliced open You can see the base body module 7 consisting of the support body 8 and the cut wear plate 9 with the guide plane 10 . By means of the rotary adjustment module 13, the wear body 12 can be rotated into a plurality of defined rotary positions in a controlled manner. In addition, the distance between the wear surface 12a and the guide plane 10 of the base body module 7 can be adjusted by means of the rotary adjustment module 13, in that the wear body 12 can be moved out of the guide plane 10 and back again, which is not shown separately.

Figur 5 zeigt in weitgehend runden Ausnehmungen 14 eines Grundkörpermoduls angeordnete Schleißkörper 15a, 15b, 15c, 15d. Rollgangsrollen 16a, 16b, 16c sind ebenso dargestellt. Die Schleißkörper 15a, 15b, 15c, 15d sind runde Scheiben, deren Grundflächen die Schleißflächen 17a, 17b, 17c, 17d der Schleißkörper 15a, 15b, 15c, 15d bilden. Die Schleißkörper 15a, 15b, 15c, 15d sind kontrolliert in mehrere definierte Drehpositionen drehbar, wobei in allen definierten Drehpositionen die planen Schleißflächen parallel zur Führungsebene 19 sind. Das Metallband 18 - hier ein Stahlband - wird durch die Führungsebene 19 und die Schleißkörper 15a, 15b, 15c, 15d, deren Schleißflächen 17a, 17b, 17c, 17d in der Führungsebene 19 liegen, geführt. Dargestellt sind für den Schleißkörper 15b auch mehrere Schleißspuren 20a, 20b, 20c, die ein Metallband bereits in die Schleißkörper 15b - nach mehrfachem kontrolliertem Drehen in verschiedene definierte Drehpositionen - eingefressen hat. figure 5 14 shows wearing bodies 15a, 15b, 15c, 15d arranged in largely round recesses 14 of a base body module. Table rollers 16a, 16b, 16c are also shown. The wear bodies 15a, 15b, 15c, 15d are round discs, the bases of which form the wear surfaces 17a, 17b, 17c, 17d of the wear bodies 15a, 15b, 15c, 15d. The wear bodies 15a, 15b, 15c, 15d can be rotated into a plurality of defined rotational positions in a controlled manner, with the planar wear surfaces being parallel to the guide plane 19 in all defined rotational positions. The metal strip 18 - here a steel strip - is guided through the guide plane 19 and the wear bodies 15a, 15b, 15c, 15d, whose wear surfaces 17a, 17b, 17c, 17d lie in the guide plane 19. Also shown are several wear marks 20a, 20b, 20c for the wear body 15b, which a metal strip has already eaten into the wear body 15b—after repeated controlled rotation into different defined rotary positions.

Figur 6 zeigt eine Ansicht entlang des Schnittes B-B aus Figur 5 in Richtung Schleißkörper 15c, wobei die Führungsebene 19 nicht extra dargestellt ist. figure 6 Figure 12 shows a view along section BB figure 5 in the direction of the wear body 15c, the guide plane 19 not being shown separately.

Figur 7 zeigt eine zu Figur 5 weitgehend analoge Vorrichtung mit Schleißkörpern 21a, 21 b, 21 c, 21 d. Es sind Schleißkörper-Führungsrollen 22a, 22b, 22c, 22d vorhanden, welche zumindest in eine Parkposition und eine Führungsposition einstellbar ist. Dargestellt sind sie in Figur 7 in Parkposition. Das Metallband 23 - hier ein Stahlband - wird durch die Führungsebene 24 und Schleißkörper 21 a, 21 b, 21 c, 21 d, deren Schleißflächen in der Führungsebene 24 liegen, geführt. figure 7 shows one to figure 5 largely analogous device with wear parts 21a, 21b, 21c, 21d. Wear body guide rollers 22a, 22b, 22c, 22d are present, which can be adjusted at least into a parking position and a guide position. They are shown in figure 7 in parking position. The metal strip 23 - here a steel strip - is guided through the guide plane 24 and wear bodies 21 a , 21 b , 21 c , 21 d whose wear surfaces lie in the guide plane 24 .

Figur 8 zeigt eine Ansicht entlang des Schnittes A-A aus Figur 7 in Richtung Schleißkörper 21 c, wobei die Führungsebene 24 nicht extra dargestellt ist. figure 8 Figure 12 shows a view along section AA figure 7 in the direction of the wear body 21 c, the guide plane 24 not being shown separately.

Figur 9 zeigt eine zu Figur 7 weitgehend analoge Ansicht, in der auf Bezugszeichen für in Figur 7 beschriebene Teile zur besseren Übersichtlichkeit verzichtet wurde. Dargestellt sind die Schleißkörper-Führungsrollen 22a, 22b, 22c, 22d aus Figur 7 in Führungsposition. Das Metallband 23 wird durch die Schleißkörper-Führungsrollen 22a, 22b, 22c, 22d geführt. figure 9 shows one to figure 7 largely analogous view in which reference numerals for in figure 7 parts described has been omitted for clarity. Shown are the wear body guide rollers 22a, 22b, 22c, 22d figure 7 in leadership position. The metal strip 23 is guided through the wear body guide rollers 22a, 22b, 22c, 22d.

Figur 10 zeigt eine Ansicht entlang des Schnittes C-C aus Figur 9 in Richtung Schleißkörper-Führungsrolle 22c, wobei die Führungsebene nicht extra dargestellt ist. figure 10 Figure 12 shows a view along section CC figure 9 in the direction of the wear body guide roller 22c, the guide plane not being shown separately.

Die Rollenflächen der Schleißkörper-Führungsrollen 22a, 22b, 22c, 22d in den Figuren 7 bis 10 ragen sowohl in der Parkposition als auch in der Führungsposition von der Schleißfläche in Richtung Metallband gesehen teilweise aus der Schleißfläche hervor. Sie sind durch eine Öffnung der Schleißfläche der jeweiligen Schleißkörper 21 a, 21 b, 21 c, 21 d geführt und ragen aus dieser Schleißfläche hervor.The roller surfaces of the wear body guide rollers 22a, 22b, 22c, 22d in the Figures 7 to 10 partially protrude from the wear surface both in the parking position and in the guide position, viewed from the wear surface in the direction of the metal strip. They are guided through an opening in the wear surface of the respective wear bodies 21a, 21b, 21c, 21d and protrude from this wear surface.

Durch Verdrehen der Schleißkörper 21 a, 21 b, 21 c, 21 d wird die Position der Öffnungen der Schleißflächen zwischen Figur 7 und Figur 9 geändert. Die aus diesen Öffnungen hervorragenden Schleißkörper-Führungsrollen 21 a, 21 b, 21 c, 21 d werden entsprechend umpositioniert und ragen auch nach dem Verdrehen der Schleißkörper 21 a, 21 b, 21 c, 21 d aus diesen Öffnungen heraus. Entsprechend werden sie in die Führungsposition eingestellt.By rotating the wear body 21 a, 21 b, 21 c, 21 d, the position of the openings of the wear surfaces between figure 7 and figure 9 changed. The wearing body guide rollers 21a, 21b, 21c, 21d protruding from these openings are repositioned accordingly and also protrude from these openings after the wearing bodies 21a, 21b, 21c, 21d have been rotated. Accordingly, they are placed in the leadership position.

Die Schleißkörper-Führungsrollen 22a, 22b, 22c, 22d können beispielsweise jeweils an Drehverstellmodulen

  • wie in Figur 4 mit dem Bezugszeichen 13 versehen - befestigt und durch sie dreh- und verstellbar, also in verschiedene Positionen einstellbar, sein.
The wear body guide rollers 22a, 22b, 22c, 22d can, for example, each on rotary adjustment modules
  • as in figure 4 provided with the reference number 13 - to be fastened and rotatable and adjustable by it, i.e. adjustable into different positions.

Sie könnten auch an oder auf den Schleißkörpern befestigt sein, oder am Grundkörpermodul.They could also be attached to or on the wear bodies, or on the base body module.

Figur 11 zeigt eine zu Figur 6 weitgehend analoge Figur. Zusätzlich zu Figur 6 ist auch ein Teil der Führungsebene mit dem Bezugszeichen 25 dargestellt. Geschlossen umrandet ist der Schleißkörper 15c in einer Position dargestellt, in der ihre Schleißfläche 17c in einer Ebene mit der Führungsebene 25 liegt. Strichliert umrandet ist er in einer Position dargestellt, in der der Abstand ihrer Schleißfläche von der Führungsebene verstellt, hier vergrößert, wurde, indem der Schleißkörperaus der Führungsebene durch eine Bewegung senkrecht zur Führungsebene hinausgeschoben wird - mittels einer nicht im Detail dargestellten Verstellvorrichtung. figure 11 shows one to figure 6 largely analogous figure. In addition to figure 6 part of the management level is also shown with the reference number 25 . The wearing body 15c is shown with a closed border in a position in which its wearing surface 17c lies in one plane with the guide plane 25 . It is shown with a dashed border in a position in which the distance between its wear surface and the guide plane has been adjusted, increased here, by the wear body being pushed out of the guide plane by a movement perpendicular to the guide plane - using an adjustment device that is not shown in detail.

Figur 12 und Figur 13 zeigen den Unterschied zwischen Ausnehmung der Schleißfläche eines Schleißkörpers und Öffnung der Schleißfläche eines Schleißkörpers. Figure 12 and Figure 13 show the difference between a recess in the wear surface of a wear body and an opening in the wear surface of a wear body.

Unter einer Öffnung der Schleißfläche ist zu verstehen ein Loch 27 in der Schleißfläche 28, das vollständig von der Schleißfläche 28 umgeben ist; gezeigt in Figur 12. Im Gegensatz dazu zeigt Figur 13 strichliert umrandet eine Ausnehmung 29 der Schleißfläche 30, die nicht vollständig von der Schleißfläche 30 umgeben ist.An opening in the wearing surface is to be understood as meaning a hole 27 in the wearing surface 28 which is completely surrounded by the wearing surface 28; shown in figure 12 . In contrast, shows figure 13 A recess 29 of the wear surface 30, which is not completely surrounded by the wear surface 30, is bordered by dashed lines.

Figur 14 zeigt einen Ausschnitt einer Ausführungsform eines Schleißkörpers 30 in unverschlissenem Zustand. Der Schleißkörper 30 ist eine runde Scheibe mit einer planen Schleißfläche 31. Am Rand 32 ist der Schleißkörper angefast. figure 14 shows a section of an embodiment of a wear body 30 in the unworn state. The wearing body 30 is a round disc with a flat wearing surface 31. The wearing body is chamfered at the edge 32.

Figur 15 zeigt einen Ausschnitt einer Ausführungsform eines Schleißkörpers 33 in unverschlissenem Zustand. Der Schleißkörper 33 ist eine runde Scheibe mit einer planen Schleißfläche 34. Eine von vornherein als Führungskonturen zur Führung des Metallbandes in der Schleißfläche 34 vorhandene Führungsrille 35 ist dargestellt. Am Rand 36 ist der Schleißkörper angefast. figure 15 shows a section of an embodiment of a wear body 33 in the unworn state. The wear body 33 is a round disc with a flat wear surface 34. A guide groove 35, which is present from the outset as a guide contour for guiding the metal strip in the wear surface 34, is shown. The wear body is chamfered at the edge 36 .

Figur 16 zeigt einen Schleißkörper 33 gemäß Figur 15 in seitlicher Ansicht auf die Schleißfläche 34. Zu sehen sind mehrere Führungsrillen 35. figure 16 shows a wear body 33 according to FIG figure 15 in a side view of the wear surface 34. Several guide grooves 35 can be seen.

Figur 17 zeigt einen Ausschnitt einer Ausführungsform eines Schleißkörpers 36 in unverschlissenem Zustand. Auf einem Trägermaterial 37 ist eine äußere, relativ weiche Schicht 38 zwecks Ausbildung von Führungsrillen im Betrieb vorhanden. Zwischen dieser äußeren Schicht 38 und dem Trägermaterial 37 liegt eine relativ harte Schicht 39, die ein tieferes Einschneiden erschwert. figure 17 shows a section of an embodiment of a wear body 36 in the unworn state. An outer, relatively soft layer 38 is present on a carrier material 37 for the purpose of forming guide grooves during operation. Between this outer layer 38 and the carrier material 37 there is a relatively hard layer 39 which makes it difficult to cut deeper.

Diese beiden Oberflächenbeschichtungen Schicht 38 und Schicht 39 sind am Schleißkörper 36 auf beiden Seiten symmetrisch angebracht, so dass Schleißkörper 36 nach Verschleiß einer Seite einfach umgedreht werden kann und damit die andere gleich ausgeprägte Seite dem Metallband zugewendet und verschlissen wird.These two surface coatings, layer 38 and layer 39, are attached symmetrically to both sides of wear body 36, so that wear body 36 can simply be turned over after wear on one side and the other, equally pronounced side faces the metal strip and is worn.

Figur 18 zeigt eine seitliche Ansicht auf einen Schleißkörper 40. Seine Schleißfläche 41 erstreckt sich um seinen Umfang. Außerhalb der Schleißfläche 41 sind mehrere, voneinander getrennte, einzelne Erhebungen aus einer Fläche 43 des Schleißkörpers 42, die in einer Ebene mit der Schleißfläche 41 liegt, als Führungserhebungen 42 vorhanden. figure 18 shows a side view of a wear body 40. Its wear surface 41 extends around its circumference. Outside the wear surface 41 there are several separate individual elevations from a surface 43 of the wear body 42 which lies in one plane with the wear surface 41 as guide elevations 42 .

Figur 19 zeigt einen Ausschnitt eines Schnittes entlang der Linie A-A durch den Schleißkörper 40 aus Figur 18. Zu sehen ist das Profil der Führungserhebung 42; ebenfalls zu sehen ist, dass auf der anderen Seite des als runde Scheibe ausgebildeten Schleißkörpers 40 ebenfalls eine Führungserhebung 44 vorhanden ist. figure 19 shows a detail of a section along the line AA through the wear body 40 figure 18 . The profile of the guide bump 42 can be seen; It can also be seen that a guide elevation 44 is also present on the other side of the wear body 40 designed as a round disc.

Figur 20 zeigt einen Ausschnitt aus einem Schleißkörper 45, der derart ausgeführt ist, dass an einem Rand der Schleißfläche 46 neben der Schleißfläche 46 eine Erhebung 47 gegenüber der Ebene der Schleißfläche 46 vorhanden ist, wobei diese Erhebung 47 an diesem gesamten Rand der Schleißfläche 46 vorhanden ist. Die Erhebung ist dabei derart ausgeführt, dass ihre Höhe mit zunehmendem Abstand vom Rand der Schleißfläche zunimmt, also eine so genannte Anlaufschräge 48 ausgebildet wird. figure 20 shows a section of a wear body 45 which is designed in such a way that there is an elevation 47 on one edge of the wear surface 46 next to the wear surface 46 in relation to the plane of the wear surface 46, this elevation 47 being present on this entire edge of the wear surface 46. The elevation is designed in such a way that its height increases as the distance from the edge of the wear surface increases, ie a so-called run-on bevel 48 is formed.

Diese Anlaufschräge 48 und auch die Führungserhebungen 42 und 44 aus den Figuren 18 und 19 verengen im Betrieb den seitlichen Platz für das Metallband. Die Verengung setzt dem Hochlaufen des Metallbandes einen Widerstand entgegen.This starting slope 48 and the guide surveys 42 and 44 from the Figures 18 and 19 narrow the lateral space for the metal strip during operation. The narrowing offers resistance to the metal strip running up.

Obwohl die Erfindung im Detail durch die bevorzugten Ausführungsbeispiele näher illustriert und beschrieben wurde, so ist die Erfindung nicht durch die offenbarten Beispiele eingeschränkt und andere Variationen können vom Fachmann hieraus abgeleitet werden.Although the invention has been illustrated and described in detail by the preferred exemplary embodiments, the invention is not limited by the disclosed examples and other variations can be derived therefrom by those skilled in the art.

Liste der BezugszeichenList of References

11
Vorrichtung zur seitlichen Führung eines über einen Rollgang laufenden MetallbandesDevice for the lateral guidance of a metal strip running over a roller table
22
Metallbandmetal strap
33
Treiberdriver
4a, 4b4a, 4b
Einlauflinealeinfeed rulers
55
Schleißleistewear strip
66
Führungsebenemanagement level
77
Grundkörpermodulbody module
88th
Stützkörpersupporting body
99
Verschleißplattewear plate
1010
Führungsebenemanagement level
11a, 11b, 11c, 11d11a, 11b, 11c, 11d
Rollgangsrollenroller table rollers
1212
Schleißkörperwearing body
12a12a
Schleißflächewearing surface
1313
Drehverstellmodulrotary adjustment module
1414
Grundkörpermodulbody module
15a,15b,15c,15d15a,15b,15c,15d
Schleißkörperwearing body
16a,16b,16c16a,16b,16c
Rollgangsrollenroller table rollers
17a,17b,17c,17d17a,17b,17c,17d
Schleißflächenwear surfaces
1818
Metallbandmetal strap
1919
Führungsebenemanagement level
20a,20b,20c20a,20b,20c
Schleißspurwear track
21a,21b,21c,21d21a,21b,21c,21d
Schleißkörperwearing body
22a,22b,22c,22d22a, 22b, 22c, 22d
Schleißkörper-FührungsrollenWear body guide rollers
2323
Metallbandmetal strap
2424
Führungsebenemanagement level
2525
Führungsebenemanagement level
2626
Führungsebenemanagement level
2727
LochHole
2828
Schleißflächewearing surface
2929
Ausnehmungrecess
3030
Schleißflächewearing surface
3131
Schleißflächewearing surface
3232
Randedge
3333
Schleißkörperwearing body
3434
Schleißflächewearing surface
3535
Führungsrilleguide groove
3636
Randedge
3737
Trägermaterialcarrier material
3838
Schichtlayer
3939
Schichtlayer
4040
Schleißkörperwearing body
4141
Schleißflächewearing surface
4242
Führungserhebungenleadership surveys
4343
FlächeSurface
4444
Führungserhebungleadership survey
4545
Schleißkörperwearing body
4646
Schleißflächewearing surface
4747
Erhebungelevation
4848
Anlaufschrägeleading edge
Liste der AnführungenList of citations

  • Patentliteraturpatent literature
  • DE1427923DE1427923
  • DE69408332T2DE69408332T2
  • US2818954US2818954
  • JP05161917JP05161917

Claims (21)

  1. Device for laterally guiding (1) a metal strip (2) running over a metal-strip conveying device, comprising at least one main body module (7) having a vertical guide plane (10),
    characterized in that
    at least one wear body (12) having a wear face (12a), which in a controlled manner is rotatable to a plurality of defined rotary positions is present,
    and
    the wear face (12a) is planar and in all defined rotary positions is parallel with the guide plane (10).
  2. Device according to Claim 1, characterized in that a plurality of wear bodies (12) having a wear face (12a), which are rotatable to a plurality of defined rotary positions are present, and at least one of these wear bodies (12) is rotatable independently of other wear bodies (12).
  3. Device according to Claim 1, characterized in that a plurality of wear bodies (12) having a wear face (12a), which are rotatable to a plurality of defined rotary positions are present, and at least one of these wear bodies (12) is rotatable dependently of at least one other of these wear bodies (12).
  4. Device according to one of Claims 1 to 3, characterized in that said device comprises at least one wear body (12) for which the spacing of the wear face (12a) thereof from the guide plane (10) of the main body module (7) is readjustable.
  5. Device according to Claim 4, characterized in that for at least one wear body (12) the spacing of the wear face (12a) thereof from the guide plane (10) of the main body module (7) is readjustable independently of other wear bodies (12).
  6. Device according to Claim 4, characterized in that a plurality of wear bodies (12) for which the spacing of the wear face (12a) thereof from the guide plane (10) of the main body module (7) is readjustable are present, and said spacing of at least one of these wear bodies (12) is readjustable dependently of at least one other of these wear bodies (12).
  7. Device according to one of Claims 1 to 6, characterized in that said device has at least one wear-body guide roller (22a, 22b, 22c, 22d) which is guided through a clearance (29) of the wear face (30) of a wear body (12) or an opening of the wear face (27) of a wear body (12) and at least partially protrudes from this wear face.
  8. Device according to one of Claims 1 to 7, characterized in that said device has at least one wear-body guide roller (22a, 22b, 22c, 22d) which is adjustable to at least
    - one parking position
    and
    - one guiding position.
  9. Device according to Claim 8, characterized in that in the guiding position the roller face of the wear-body guide roller (22a, 22b, 22c, 22d) is guided through a clearance (29) of the wear face (30) of a wear body (12) or an opening of the wear face (28) of a wear body (12) and at least partially protrudes from this wear face (28, 30).
  10. Device according to one of Claims 1 to 9, characterized in that the wear body or wear bodies is/are laterally chamfered.
  11. Device according to one of Claims 1 to 9, characterized in that at least one wear face from the outset has guide contours for guiding the metal strip.
  12. Device according to one of Claims 1 to 9, characterized in that at least one wear body has at least one support material having a coating.
  13. Device according to one of Claims 1 to 9, characterized in that the wear bodies are symmetrical in such a manner that said wear body comprises at least two identically developed sides having wear faces.
  14. Device according to one of Claims 1 to 9, characterized in that the wear body has at least one guide elevation, preferably as a run-up slope or as a discrete elevation.
  15. Method for laterally guiding metal strips (2) running over a metal-strip conveying device
    by means of a device for laterally guiding (1) a metal strip, the device comprising at least one main body module (7) having a guide plane (10) and at least one wear body (12) having a planar wear face (12a),
    characterized in that
    after a first metal strip has passed through the metal-strip conveying device and before a second metal strip runs into the metal-strip conveying device,
    the wear body (12) is rotated in a controlled manner from a defined first rotary position to a defined second rotary position, wherein
    the wear face (12a) in all defined rotary positions is parallel with the guide plane (10).
  16. Method according to Claim 15,
    characterized in that
    after a first lateral guiding phase on at least one side of the metal strip (2) by means of the main body module (7) and optionally by wear bodies (12) and/or wear-body guide rollers (22a, 22b, 22c, 22d)
    in a subsequent second lateral guiding phase lateral guiding on at least one side of the metal strip (2)
    is performed only by means of wear bodies (12).
  17. Method according to Claim 15, wherein the device for lateral guiding (1) has at least one wear-body guide roller (22a, 22b, 22c, 22d),
    characterized in that
    after a first lateral guiding phase on at least one side of the metal strip (2) by means of the main body module (7) and optionally by wear bodies (12) and/or wear-body guide rollers (22a, 22b, 22c, 22d)
    in a subsequent second lateral guiding phase lateral guiding on at least one side of the metal strip (2)
    is performed in one of the following manners:
    - only by means of wear-body guide rollers (22a, 22b, 22c, 22d),
    - by means of wear bodies (12) and wear-body guide rollers (22a, 22b, 22c, 22d).
  18. Method according to Claim 16 or 17, characterized in that after the first lateral guiding phase at least one wear body (12) and/or the at least one main body module (7) are/is readjusted to a position in which the wear face (12a) of the wear body (12) lies outside the guide plane (10).
  19. Method according to one of Claims 16 to 18, characterized in that during the second lateral guiding phase lateral guiding is performed on at least one side of the metal strip (2) by means of a plurality of wear bodies (12), wherein during the second lateral guiding phase at least one wear body (12) while losing contact between the wear face (12a) of the latter and the metal strip (2) is readjusted away from the metal strip (2),
    this wear body (12) then is rotated in a controlled manner about a rotation axis to a defined new rotary position,
    and this wear body (12) then while restoring contact between the wear face (12a) of the latter and the metal strip (2) is readjusted toward the metal strip (2).
  20. Method according to one of Claims 15 to 19, characterized in that the manner of lateral guiding is switched between sliding guiding by means of wear bodies (12) and rolling guiding by means of rollers.
  21. Method according to one of Claims 15 to 19, characterized in that the manner of lateral guiding comprises both sliding guiding by means of wear bodies (12) as well as rolling guiding by means of rollers.
EP14766935.2A 2013-09-26 2014-09-05 Device for guiding metal strips with grinding bodies Active EP3049198B2 (en)

Priority Applications (3)

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RS20170795A RS56151B2 (en) 2013-09-26 2014-09-05 Device for guiding metal strips with grinding bodies
SI201430383T SI3049198T2 (en) 2013-09-26 2014-09-05 Device for guiding metal strips with grinding bodies
EP14766935.2A EP3049198B2 (en) 2013-09-26 2014-09-05 Device for guiding metal strips with grinding bodies

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13186131.2A EP2853315A1 (en) 2013-09-26 2013-09-26 Device for guiding metal strips with grinding bodies
PCT/EP2014/068929 WO2015043926A1 (en) 2013-09-26 2014-09-05 Device and method for guiding metal strips having wear bodies
EP14766935.2A EP3049198B2 (en) 2013-09-26 2014-09-05 Device for guiding metal strips with grinding bodies

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EP3049198B1 EP3049198B1 (en) 2017-06-14
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KR (1) KR101690963B1 (en)
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AT (1) AT15727U3 (en)
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AT15727U2 (en) 2018-05-15
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SK1472017U1 (en) 2018-04-04
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PL3049198T5 (en) 2023-09-11
MX2016003779A (en) 2016-06-24
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AT15727U3 (en) 2018-07-15
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FI11946U1 (en) 2018-01-26
JP2016536141A (en) 2016-11-24

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