EP0470436A2 - Pressure roll for holding slabs down in an upsetting press - Google Patents

Pressure roll for holding slabs down in an upsetting press Download PDF

Info

Publication number
EP0470436A2
EP0470436A2 EP91112376A EP91112376A EP0470436A2 EP 0470436 A2 EP0470436 A2 EP 0470436A2 EP 91112376 A EP91112376 A EP 91112376A EP 91112376 A EP91112376 A EP 91112376A EP 0470436 A2 EP0470436 A2 EP 0470436A2
Authority
EP
European Patent Office
Prior art keywords
slab
roller
channels
rollers
inlet
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.)
Granted
Application number
EP91112376A
Other languages
German (de)
French (fr)
Other versions
EP0470436B1 (en
EP0470436A3 (en
Inventor
Gerhard Heitze
Ulrich Meinhardt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Siemag AG
Original Assignee
SMS Schloemann Siemag AG
Schloemann Siemag AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SMS Schloemann Siemag AG, Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG
Publication of EP0470436A2 publication Critical patent/EP0470436A2/en
Publication of EP0470436A3 publication Critical patent/EP0470436A3/en
Application granted granted Critical
Publication of EP0470436B1 publication Critical patent/EP0470436B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F5/00—Elements specially adapted for movement
    • F28F5/02—Rotary drums or rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0035—Forging or pressing devices as units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/08—Lubricating, cooling or heating rolls internally
    • 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
    • B21B39/006—Pinch roll sets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/04—Shaping in the rough solely by forging or pressing

Definitions

  • the invention relates to an upsetting press for reducing the width of rolled material, in particular for reducing the slab width in hot wide strip roughing mills, with tool carriers accommodating pressing tools arranged on both sides of the slab edge.
  • a compression press of the type mentioned at the outset is known, for example, from European Patent 0 112 516 and comprises a pair of pressing tools which are arranged on both broad sides of a slab feed line in such a way that their pressing surfaces point towards one another for pressing a slab.
  • a vibration unit vibrates the pressing tools.
  • This known upsetting press further comprises a width control unit for controlling the position of the pressing tool in the slab width direction and a control which detects that the front end of the slab is arranged between the parallel surfaces of the pressing tools and which then actuates the width control device and, after carrying out a predetermined pressing, the vibration unit .
  • This press is intended to improve the compression effect with regard to the shape and surface of the slab.
  • a device for substantially reducing the width of metallic slabs consisting of a pair of processing tools that work in the plane of the slab and detect the slab on opposite edges.
  • a strong pressing force is generated by a hydraulic drive, which is connected to each of the processing tools, by means of which the width of the slab is reduced.
  • An actuator which is connected to each processing tool, controls their relative distance from one another so that a slab of the desired thickness can be produced.
  • the slab is gripped in a plane perpendicular to the plane of the pressing tools by a punch arranged above and below the slab in order to retain local thickenings of the workpiece, while the width of the slab is reduced by upsetting.
  • the relative distance between the punches and the slab surface can be changed.
  • the slabs still have temperatures of around 800 ° C and above on their metallic surface in the upsetting press.
  • hold-down devices which are intended to hold back local thickening of the slab during the upsetting process, have to be permanently in contact with the slab surface in a continuously operating upsetting press and are exposed to high temperatures there, which is why they have to be cooled.
  • Untargeted water cooling of the hold-down devices cannot be used because the thickening of the slab on the side prevents the cooling water from running off when it is compressed at the side; an evaporating water surface forms on the slab surface, which leads to strong uncontrolled local cooling.
  • Different local cooling of the slab not only has a negative impact on the slab compression process in the upsetting press, but also has an increasingly negative effect in the subsequent horizontal stands for reducing the thickness of the rolling stock.
  • the object of the invention is to protect the conveying devices or hold-down devices for the red-hot slab, which come into permanent contact with the hot slab surface, in particular in the case of a continuously operating upsetting press, against the effects of the high temperatures as a result of direct heat transfer or heat radiation, and to locally cool the slab during to avoid the upsetting process.
  • the invention is characterized in that the upsetting press in the area between the pressing tools has at least one height-adjustable holding roller arranged above and below the slab, in that driving rollers are arranged above and below the slab in the inlet and outlet area of the upsetting press and that holding rollers and driver rollers are provided with internal cooling.
  • the temperature on the surface of the rolls can be kept at approximately 550 to 650 ° C., that is to say below a maximum permissible temperature at which a risk to roll material and roll storage can be excluded.
  • the internal cooling of the holding rollers and driving rollers it is also avoided that the slab is locally too strong is cooled, which would be the case with direct water cooling. The result of the measures mentioned thus leads to greater operational reliability of the machine elements guiding the slab in the upsetting press and to a more uniform and shock-reduced upsetting process between the pressing tools and between the rollers of the downstream horizontal rolling stands.
  • the bearing housing of the holding roller and driving roller are additionally provided with internal cooling.
  • a particularly advantageous embodiment of the internal cooling of the holding roller and driver roller consists in the fact that cooling channels are arranged in each of these rollers with axially extending inlet and outlet channels and with a plurality of peripheral peripheral channels in the peripheral region of the rollers and essentially parallel to the rolling surfaces of the rollers and with connecting channels between the inlet and outlet channels and the horizontal channels.
  • cooling channels are arranged in each of these rollers with axially extending inlet and outlet channels and with a plurality of peripheral peripheral channels in the peripheral region of the rollers and essentially parallel to the rolling surfaces of the rollers and with connecting channels between the inlet and outlet channels and the horizontal channels.
  • a further embodiment of the invention provides that at least the holding roller consists of an inner hub part provided with a bearing pin and an outer hollow cylindrical roller that can be connected to the hub part, and that the hub part or the roller inside has circumferential annular grooves, of which connecting channels to the horizontal channels or go to the inlet and outlet channels. If, due to the choice of material, for constructional reasons or for strength considerations, the holding roller or the driver roller should also be constructed in several parts, the solution proposed here nevertheless ensures the internal cooling of the rollers.
  • the lower driver roller can be driven in the inlet area of the upsetting press and that the upper and lower driver rollers can be driven in the outlet area of the upsetting press.
  • the inlet and outlet channels for the coolant are advantageously designed as a spaced double tube opposite the drive side, running in the middle of the axis, the inner tube being the inlet channel and the outer tube being the outlet channel, which is connected to the horizontal channels via connecting channels. In this way, the coolant can be guided in the shortest possible way to the peripheral horizontal channels that cool the roll surface.
  • the double-tube arrangement thus also allows perfect cooling of the driven driver roller.
  • the upset press is a flying upset press for reducing the width of slabs in a hot wide strip roughing mill, the slabs being connected almost continuously by one of the upset press Slab caster are fed.
  • the upset press has horizontal scaffolding stands; a crankcase, which receives the crank mechanism, is adjustably guided in the scaffold stand. The crankcase is adjusted using a mechanical adjustment. Pressing tools are arranged on both sides of the slab; the pressing tool has a crank drive acting perpendicularly to the slab and a feed drive acting in the tangential direction, that is to say parallel to the slab.
  • the movement sequences of the crank drive and feed drive are synchronized in accordance with the feed movement of the slab.
  • the pressing tool is adjusted in rapid succession to the speed of the slab, sets (without relative movement to the slab) perpendicular to the slab edge, compresses the slab sideways and is then moved back laterally at a distance from the slab.
  • Figure 1 shows that the upsetting press in the area between the pressing tools above and below the slab 1 has height-adjustable holding rollers 2, that in the inlet area 3 and in the outfeed area 4 of the upsetting press driving rollers 5 are arranged above and below the slab, and that holding rollers 2 and driving rollers 5 are provided with internal cooling, which is shown in more detail in FIGS. 2 and 3.
  • the two holding rollers 2 are arranged approximately in the center of the slab width and seen in the slab feed direction 6 one behind the other and are vertically displaceable in a holding frame 7 and vertical guides 8 held.
  • the holding frame 7 and the adjusting device 9 for the height shifting of the holding rollers are connected to a crossbar 10, which in each case rests firmly on the upper or lower spars 11, 11 'of the horizontal stand of the upsetting press.
  • the driver rollers 5 are held in a swivel arm 12, the pivot pins of which are arranged on a vertical crossbar 13.
  • the vertical crossbar is screwed firmly to the upper spars 11 and to the lower spars 11 'of the scaffold stand and is located laterally outside the infeed roller table 14 and the outfeed roller table 15 for the slab 1.
  • the lower drive roller 5 can be driven and in the outfeed area Both the upper and the lower driver roller can be driven in the upsetting press.
  • the slab 1 is continuously and controllably controlled in speed through the press and thus through the area of action of the pressing tools.
  • the holding rollers 2 resting on the surface of the slab at the top and bottom, thickening or deflection of the slab upwards or downwards is avoided.
  • both the holding rollers and the driving rollers are driven permanently and sometimes with considerable pressure against the hot slab surface, which still has a temperature of approx. 1050 to 1280 ° C., and roll there. So that the slab maintains a temperature that is as uniform as possible and so that the holding rolls and driving rolls are protected against the contact heat with the slab and against its radiant heat, the rolls mentioned are provided with internal cooling, the design of which is described below.
  • FIG. 2 shows a holding roller 2, which consists of an inner hub part 17 provided with a bearing pin 16 and an outer hollow cylindrical roller 18 which can be connected to the hub part, the hub part on the outside or the roller on the inside having circumferential annular grooves 19, of which connecting channels 20 the horizontal channels 21 or to the inlet channels 22 or outlet channels 23.
  • the inlet and outlet channels run axially.
  • a plurality of the horizontal channels 21 are arranged peripherally evenly distributed in the circumferential area of the rollers and essentially parallel to their run-off surfaces 24.
  • the bearing housing of the holding roller in particular its bearing cover 25 pointing to the slab surface, is additionally provided with internal cooling, which in the present case is shaped into an elongated cooling pocket 26.
  • the connections for the coolant are not shown in detail.
  • the coolant flows through the cooling channels in the direction of the arrows shown.
  • the cooling device for the holding roller and the cooling device for its bearing housing or bearing cover are connected to one another by pipes, which are not shown in detail, but can correspond to conventional pipeline construction. It can be seen that the arrangement of the coolant channels designed in this way ensures optimal internal cooling of the holding rollers, in particular the rolling surfaces of the holding rollers that are in contact with the high-temperature slab surface.
  • FIG. 3 shows the design of the coolant channels in the driven driver roller 5, the inlet and outlet channels 22, 23 being designed as a spaced double tube 27 opposite the drive side and running in the middle of the axis, the inner tube 28 being the inlet channel and the outer tube 29 is the outlet channel, which is connected to the horizontal channels 21 via the connecting channels 20.
  • the bearing cover 25 are provided with an internal cooling, as in the holding roller 2, which is shaped as a cooling pocket 26.
  • the coolant is supplied with the coolant via the coolant connection 30, from which a pipe connection to the bearing cover 25 extends.
  • the object on which the invention is based is achieved in full by avoiding the slab from deflecting or bulging during a continuous width reduction and preventing uncontrolled local cooling of the slab, which would always occur if instead of that According to the invention provided internal cooling of the holding rollers and the driver rollers, an open water cooling would be carried out

Abstract

To improve the pressing process in an upsetting press for reducing the width of rolling stock, in particular for reducing slab width in hot-strip roughing trains with tool carriers accommodating pressing tools and arranged on both sides of the edge of the slab, it is proposed that, in the region between the pressing tools, the upsetting press should have at least one vertically adjustable holding roller 2 arranged above and below the slab 1 and that driving rollers 5 should be arranged in the inlet and outlet region 3, 4 of the upsetting press, above and below the slab, and that the holding rollers 2 and the driving rollers 5 should be provided with internal cooling. <IMAGE>

Description

Die Erfindung betrifft eine Stauchpresse zur Breitenreduktion von Walzgut, insbesondere zur Reduktion der Brammenbreite in Warmbreitband-Vorstraßen mit beidseitig zur Brammenkante angordneten Preßwerkzeuge aufnehmenden Werkzeugträgern.The invention relates to an upsetting press for reducing the width of rolled material, in particular for reducing the slab width in hot wide strip roughing mills, with tool carriers accommodating pressing tools arranged on both sides of the slab edge.

Eine Stauchpresse der eingangs genannten Bauart ist bspw. aus der europäischen Patentschrift 0 112 516 bekannt und umfaßt ein Paar Preßwerkzeuge, die auf beiden Breitseiten einer Brammenvorschubstraße so angeordnet sind, daß ihre Preßflächen zum Pressen einer Bramme zueinander weisen. Eine Vibrationseinheit versetzt die Preßwerkzeuge in Schwingungen. Diese bekannte Stauchpresse umfaßt ferner eine Breitenregeleinheit zur Regelung der Lage des Preßwerkzeugs in der Brammenbreitenrichtung und eine Steuerung, die erfaßt, daß das Vorderende der Bramme zwischen den parallelen Flächen der Preßwerkzeuge angeordnet ist und welche dann die Breitenregeleinrichtung sowie nach Durchführung einer vorbestimmten Pressung die Vibrationseinheit betätigt. Mit dieser Presse soll der Staucheffekt bezüglich der Brammenform und der Brammenoberfläche verbessert werden.A compression press of the type mentioned at the outset is known, for example, from European Patent 0 112 516 and comprises a pair of pressing tools which are arranged on both broad sides of a slab feed line in such a way that their pressing surfaces point towards one another for pressing a slab. A vibration unit vibrates the pressing tools. This known upsetting press further comprises a width control unit for controlling the position of the pressing tool in the slab width direction and a control which detects that the front end of the slab is arranged between the parallel surfaces of the pressing tools and which then actuates the width control device and, after carrying out a predetermined pressing, the vibration unit . This press is intended to improve the compression effect with regard to the shape and surface of the slab.

Ob die Bramme in der Stauchpresse während des horizontalen Stauchens von vertikal wirkenden Vorrichtungen in ihrer Position gehalten wird, ist dieser Patentschrift nicht zu entnehmen.It is not clear from this patent whether the slab in the compression press is held in position by vertical devices during the horizontal compression.

Aus der DE-OS 2 017 306 ist eine Vorrichtung zur wesentlichen Reduzierung der Breite von metallischen Brammen bekannt, bestehend aus einem Paar von Bearbeitungswerkzeugen, die in der Ebene der Bramme arbeiten und die Bramme an entgegengesetzten Kanten erfassen. Von einem hydraulischen Antrieb, der mit jeder der Bearbeitungswerkzeuge verbunden ist, wird eine starke Preßkraft erzeugt, durch die die Breite der Bramme reduziert wird. Von einer Stelleinrichtung, die mit jedem Bearbeitungswerkzeug verbunden ist, wird deren relativer Abstand zueinander gesteuert, damit eine Bramme mit gewünschter Dicke produziert werden kann. Von einem oberhalb und unterhalb der Bramme angeordneten Stempel wird die Bramme in einer Ebene senkrecht zur Ebene der Preßwerkzeuge erfaßt, um örtliche Verdickungen des Werkstücks zurückzuhalten, während die Breite der Bramme durch Stauchen verringert wird. Der relative Abstand der Stempel zueinander und gegenüber der Brammenoberfläche ist veränderlich. Diese vorbekannte Brammenpresse arbeitet diskontinuierlich, indem die Bramme zunächst zwischen den Stempeln eingespannt wird und anschließend die horizontal wirkenden Preßwerkzeuge auf die Brammenkante reduzierend einwirken.From DE-OS 2 017 306 a device for substantially reducing the width of metallic slabs is known, consisting of a pair of processing tools that work in the plane of the slab and detect the slab on opposite edges. A strong pressing force is generated by a hydraulic drive, which is connected to each of the processing tools, by means of which the width of the slab is reduced. An actuator, which is connected to each processing tool, controls their relative distance from one another so that a slab of the desired thickness can be produced. The slab is gripped in a plane perpendicular to the plane of the pressing tools by a punch arranged above and below the slab in order to retain local thickenings of the workpiece, while the width of the slab is reduced by upsetting. The relative distance between the punches and the slab surface can be changed. This previously known slab press works discontinuously in that the slab is first clamped between the punches and then the horizontally acting pressing tools have a reducing effect on the slab edge.

Die Brammen haben an ihrer metallischen Oberfläche in der Stauchpresse noch Temperaturen von etwa 800°C und darüberliegend. Dies bedeutet, daß Niederhaltevorrichtungen, die örtliche Verdickungen der Bramme während des Stauchvorganges zurückhalten sollen, bei einer kontinuierlich arbeitenden Stauchpresse auf der Oberfläche der Bramme permanent aufliegen müssen und dort hohen Temperaturen ausgesetzt sind, weshalb sie gekühlt werden müssen. Eine ungezielte Wasserkühlung der Niederhaltevorrichtungen kann deshalb nicht angewandt werden, weil durch die seitliche Verdickung der Bramme beim seitlichen Stauchen das Kühlwasser nicht ablaufen kann; es bildet sich auf der Brammenoberfläche eine verdampfende Wasserfläche, was zu starken unkontrollierten örtlichen Abkühlungen führt. Unterschiedliche örtliche Abkühlungen der Bramme haben nicht nur einen negativen Einfluß auf den Stauchvorgang der Bramme in der Stauchpresse, sondern wirken sich zunehmend negativ aus in den nachfolgenden Horizontalgerüsten zur Dickenreduzierung des Walzguts.The slabs still have temperatures of around 800 ° C and above on their metallic surface in the upsetting press. This means that hold-down devices, which are intended to hold back local thickening of the slab during the upsetting process, have to be permanently in contact with the slab surface in a continuously operating upsetting press and are exposed to high temperatures there, which is why they have to be cooled. Untargeted water cooling of the hold-down devices cannot be used because the thickening of the slab on the side prevents the cooling water from running off when it is compressed at the side; an evaporating water surface forms on the slab surface, which leads to strong uncontrolled local cooling. Different local cooling of the slab not only has a negative impact on the slab compression process in the upsetting press, but also has an increasingly negative effect in the subsequent horizontal stands for reducing the thickness of the rolling stock.

Aufgabe der Erfindung ist es, die insbesondere bei einer kontinuierlich arbeitenden Stauchpresse permanent mit der heißen Brammenoberfläche in Kontakt kommenden Fördereinrichtungen bzw. Niederhaltevorrichtungen für die glühendheiße Bramme vor den Einflüssen der hohen Temperaturen infolge direkten Wärmeübergangs bzw. Wärmestrahlung zu schützen und ein örtliches Abkühlen der Bramme während des Stauchvorganges zu vermeiden.The object of the invention is to protect the conveying devices or hold-down devices for the red-hot slab, which come into permanent contact with the hot slab surface, in particular in the case of a continuously operating upsetting press, against the effects of the high temperatures as a result of direct heat transfer or heat radiation, and to locally cool the slab during to avoid the upsetting process.

Diese Aufgabe wird mit den kennzeichnenden Merkmalen des Anspruchs 1 der Patentanmeldung gelöst; die Patentansprüche 2 bis 7 haben weitere Ausgestaltungen der Erfindung zum Inhalt.This object is achieved with the characterizing features of claim 1 of the patent application; claims 2 to 7 have further refinements of the invention to the content.

Gemäß Anspruch 1 zeichnet sich die Erfindung dadurch aus, daß die Stauchpresse im Bereich zwischen den Preßwerkzeugen mindestens eine oberhalb und unterhalb der Bramme angeordnete, höhenverstellbare Halterolle aufweist, daß im Ein-und Auslaufbereich der Stauchpresse oberhalb und unterhalb der Bramme Treiberrollen angeordnet sind und daß Halterollen und Treiberrollen mit einer Innenkühlung versehen sind. Durch diese Maßnahmen kann die Bramme kontinuierlich und zwangsweise geführt durch die Stauchpresse hindurchbewegt werden. Während des Stauchens werden örtliche, insbesondere in der Brammenmitte entstehende Materialverdickungen vermieden. Infolge der Innenkühlung für Halterollen und Treiberrollen gelangt während des Stauchvorgangs kein Kühlwasser auf die Bramme. Gleichwohl kann die Temperatur an der Oberfläche der Rollen auf ca. 550 bis 650°C gehalten werden, also unterhalb einer maximal zulässigen Temperatur, bei der eine Gefährdung von Rollenmaterial und Rollenlagerung ausgeschlossen werden kann. Mit Hilfe der Innenkühlung der Halterollen und Treiberrollen wird außerdem vermieden, daß die Bramme örtlich zu stark abgekühlt wird, was bei einer direkten Wasserkühlung der Fall sein würde. Das Ergebnis der genannten Maßnahmen führt also zu einer höheren Betriebssicherheit der die Bramme führenden Maschinenelemente in der Stauchpresse und zu einem gleichmäßigeren und stoßgeminderten Stauchvorgang zwischen den Preßwekzeugen sowie zwischen den Walzen der nachgeordneten Horizontal-Walzgerüste.According to claim 1, the invention is characterized in that the upsetting press in the area between the pressing tools has at least one height-adjustable holding roller arranged above and below the slab, in that driving rollers are arranged above and below the slab in the inlet and outlet area of the upsetting press and that holding rollers and driver rollers are provided with internal cooling. These measures allow the slab to be moved continuously and forcibly through the upsetting press. Local thickening of the material, especially in the middle of the slab, is avoided during upsetting. As a result of the internal cooling for holding rollers and driving rollers, no cooling water gets onto the slab during the upsetting process. Nevertheless, the temperature on the surface of the rolls can be kept at approximately 550 to 650 ° C., that is to say below a maximum permissible temperature at which a risk to roll material and roll storage can be excluded. With the help of the internal cooling of the holding rollers and driving rollers, it is also avoided that the slab is locally too strong is cooled, which would be the case with direct water cooling. The result of the measures mentioned thus leads to greater operational reliability of the machine elements guiding the slab in the upsetting press and to a more uniform and shock-reduced upsetting process between the pressing tools and between the rollers of the downstream horizontal rolling stands.

In Ausgestaltung der Erfindung ist es zweckmäßig, wenn die Lagergehäuse von Halterolle und Treiberrolle, insbesondere deren auf die Brammenoberfläche weisenden Lagerdeckel zusätzlich mit einer Innenkühlung versehen sind.In an embodiment of the invention, it is expedient if the bearing housing of the holding roller and driving roller, in particular their bearing cover pointing towards the slab surface, are additionally provided with internal cooling.

Eine besonders vorteilhafte Ausgestaltung der Innenkühlung von Halterolle und Treiberrolle besteht darin, daß in jeder dieser Rollen Kühlkanäle angeordnet sind mit achsmittig verlaufenden Eintritts- bzw. Austrittskanälen und mit einer Mehrzahl peripher im Umfangsbereich der Rollen und im wesentlichen parallel zu den Abrollflächen der Rollen verlaufenden Horizontalkanälen sowie mit Verbindungskanälen zwischen den Eintritts- bzw. Austrittskanälen und den Horizontalkanälen. Auf diese Weise wird bevorzugt die Wärme von der Rollenoberfläche vom Kühlmittelstrom abtransportiert und die gewählte Anordnung aller Kühlkanäle bedingt eine gleichmäßige Durchströmung des Kühlmittels durch alle Rolleninnenteile, so daß diese gleichförmig gekühlt werden.A particularly advantageous embodiment of the internal cooling of the holding roller and driver roller consists in the fact that cooling channels are arranged in each of these rollers with axially extending inlet and outlet channels and with a plurality of peripheral peripheral channels in the peripheral region of the rollers and essentially parallel to the rolling surfaces of the rollers and with connecting channels between the inlet and outlet channels and the horizontal channels. In this way, the heat is preferably transported away from the roll surface by the coolant flow and the selected arrangement of all the cooling channels requires a uniform flow of coolant through all the inner parts of the roll, so that they are cooled uniformly.

Eine weitere Ausgestaltung der Erfindung sieht vor, daß zumindest die Halterolle aus einem inneren mit Lagerzapfen versehenen Nabenteil und einer äußeren mit dem Nabenteil verbindbaren hohlzylindrischen Laufrolle besteht und daß der Nabenteil außen bzw. die Laufrolle innen umlaufende Ringnuten aufweist, von denen Verbindungskanäle zu den Horizontalkanälen bzw. zu den Einlauf- bzw. Auslaufkanälen abgehen. Sollte wegen der Werkstoffauswahl, aus konstruktiven Gründen oder aus Festigkeitsbetrachtungen die Halterolle oder aber auch die Treiberrolle mehrteilig auszubilden sein, so wird mit der hier vorgeschlagenen Lösung die Innenkühlung der Rollen gleichwohl sichergestellt.A further embodiment of the invention provides that at least the holding roller consists of an inner hub part provided with a bearing pin and an outer hollow cylindrical roller that can be connected to the hub part, and that the hub part or the roller inside has circumferential annular grooves, of which connecting channels to the horizontal channels or go to the inlet and outlet channels. If, due to the choice of material, for constructional reasons or for strength considerations, the holding roller or the driver roller should also be constructed in several parts, the solution proposed here nevertheless ensures the internal cooling of the rollers.

Nach einer anderen Ausgestaltung der Erfindung wird vorgeschlagen, daß im Einlaufbereich der Stauchpresse die untere Treiberrolle antreibbar ist und im Auslaufbereich der Stauchpresse die obere und die untere Treiberrolle antreibbar ist. Damit auch die angetriebene Treiberrolle eine einwandfrei funktionierende Innenkühlung erhält, sind vorteilhafterweise die Eintritts- bzw. Austrittskanäle für das Kühlmittel als ein der Antriebsseite gegenüberliegend, in Achsmitte verlaufendes, beabstandetes Doppelrohr ausgebilde, wobei das innere Rohr der Eintrittskanal und das äußere Rohr der Austrittskanal ist, der jeweils über Verbindungskanäle mit den Horizontalkanälen verbunden ist. Auf diese Weise kann das Kühlmittel auf kürzestem Wege zu den peripheren, die Rollenoberfläche kühlenden Horizontalkanälen geführt werden. Die Doppelrohranordnung gestattet also eine einwandfreie Kühlung auch der angetriebenen Treiberrolle.According to another embodiment of the invention, it is proposed that the lower driver roller can be driven in the inlet area of the upsetting press and that the upper and lower driver rollers can be driven in the outlet area of the upsetting press. In order that the driven driver roller also receives perfectly functioning internal cooling, the inlet and outlet channels for the coolant are advantageously designed as a spaced double tube opposite the drive side, running in the middle of the axis, the inner tube being the inlet channel and the outer tube being the outlet channel, which is connected to the horizontal channels via connecting channels. In this way, the coolant can be guided in the shortest possible way to the peripheral horizontal channels that cool the roll surface. The double-tube arrangement thus also allows perfect cooling of the driven driver roller.

Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen näher beschrieben. Es zeigen:

  • Figur 1 einen Teilausschnitt der Stauchpresse mit oberhalb und unterhalb der Bramme angeordneten Halterollen bzw. Treiberrollen,
  • Figur 2 die Innenkühlung für eine Halterolle einschließlich der Innenkühlung des Lagerdeckels,
  • Figur 3 die Innenkühlung einer Treiberrolle mit Doppelrohrzuführung bzw. - abführung für das Kühlmittel.
The invention is described in more detail below on the basis of exemplary embodiments. Show it:
  • FIG. 1 shows a partial section of the upsetting press with holding rollers or driver rollers arranged above and below the slab,
  • FIG. 2 shows the internal cooling for a holding roller, including the internal cooling of the bearing cover,
  • Figure 3 shows the internal cooling of a driver roller with double pipe supply or removal for the coolant.

Die nicht näher dargestellte Stauchpresse, zu der die erfindungsgemäß mit einer Innenkühlung versehenen oberen und unteren Halterollen sowie die Treiberrollen gehören, ist eine fliegend arbeitende Stauchpresse zur Reduktion der Breite von Brammen in einer Warmbreitband-Vorstraße, wobei die Brammen nahezu kontinuierlich von einer der Stauchpresse vorgeschalteten Brammengießanlage zugeführt werden. Die Stauchpresse hat liegende Gerüstständer; ein Kurbelgehäuse, welches den Kurbeltrieb aufnimmt, ist anstellbar in dem Gerüstständer geführt. Die Anstellung des Kurbelgehäuses erfolgt mit Hilfe einer mechanischen Anstellung. Zu beiden Seiten der Bramme sind Preßwerkzeuge angeordnet; das Preßwerkzeug hat einen - wie gesagt - senkrecht zu Bramme wirkenden Kurbeltrieb und einen in Tangentialrichtung, also parallel zur Bramme wirkenden Vorschubantrieb. Die Synchronisierung der Bewegungsabläufe von Kurbelantrieb und Vorschubantrieb erfolgt nach Maßgabe der Vorschubbewegung der Bramme. Das Preßwerkzeug wird in schneller Folge der Vorschubgeschwindigkeit der Bramme angepaßt, setzt (ohne Relativbewegung zur Bramme) senkrecht zur Brammenkante auf, staucht die Bramme seitlich und wird dann mit Abstand zur Bramme seitlich zurückgefahren.The upset press, not shown, to which the upper and lower holding rollers provided with internal cooling according to the invention and the driving rollers belong, is a flying upset press for reducing the width of slabs in a hot wide strip roughing mill, the slabs being connected almost continuously by one of the upset press Slab caster are fed. The upset press has horizontal scaffolding stands; a crankcase, which receives the crank mechanism, is adjustably guided in the scaffold stand. The crankcase is adjusted using a mechanical adjustment. Pressing tools are arranged on both sides of the slab; the pressing tool has a crank drive acting perpendicularly to the slab and a feed drive acting in the tangential direction, that is to say parallel to the slab. The movement sequences of the crank drive and feed drive are synchronized in accordance with the feed movement of the slab. The pressing tool is adjusted in rapid succession to the speed of the slab, sets (without relative movement to the slab) perpendicular to the slab edge, compresses the slab sideways and is then moved back laterally at a distance from the slab.

Figur 1 zeigt, daß die Stauchpresse im Bereich zwischen den Preßwerkzeugen oberhalb und unterhalb der Bramme 1 angeordnete, höhenverstellbare Halterollen 2 aufweist, daß im Einlaufbereich 3 und im Auslaufbereich 4 der Stauchpresse oberhalb und unterhalb der Bramme Treiberrollen 5 angeordnet sind und daß Halterollen 2 und Treiberrollen 5 mit einer Innenkühlung versehen sind, die in den Fig. 2 und Fig. 3 näher dargestellt ist. Die beiden Halterollen 2 sind etwa mittig zur Brammenbreite und in Brammenvorschubrichtung 6 gesehen hintereinander angeordnet und sind in einem Halterahmen 7 und Vertikalführungen 8 höhenverschieblich gehalten. Der Halterahmen 7 und die Verstelleinrichtung 9 für die Höhenverlagerung der Halterollen sind mit einer Quertraverse 10 verbunden, die jeweils auf den oberen bzw. unteren Holmen 11, 11' des liegenden Gerüstständers der Stauchpresse fest aufliegt. Die Treiberrollen 5 sind in einem Schwenkarm 12 gehalten, dessen Drehbolzen an einer Vertikaltraverse 13 angeordnet sind. Die Vertikaltraverse ist an den oberen Holmen 11 und an den unteren Holmen 11' des Gerüstständers fest angeschraubt und liegt jeweils seitlich außerhalb des Einlaufrollgangs 14 bzw. des Auslaufrollgangs 15 für die Bramme 1. Im Einlaufbereich der Stauchpresse ist die untere Treiberrolle 5 antreibbar und im Auslaufbereich der Stauchpresse sind sowohl die obere als auch die untere Treiberrolle antreibbar. Deren Antriebsvorrichtungen wie Gelenkwellen, Getriebe und elektrische Motoren sind nicht näher dargestellt. Mit Hilfe der Treiberrollen 5 im Ein- bzw. Auslaufbereich der Stauchpresse wird die Bramme 1 kontinuierlich und in der Geschwindigkeit steuerbar durch die Presse und damit durch den Einwirkungsbereich der Preßwerkzeuge hindurchgeführt. Mit Hilfe der auf der Oberfläche der Bramme oben und unten aufliegenden Halterollen 2 wird ein Verdicken oder Ausweichen der Bramme nach oben oder unten vermieden. Dies bedingt aber, daß sowohl die Halterollen als auch die Treiberrollen permanent und teilweise mit erheblichem Druck gegen die heiße Brammenoberfläche, die noch eine Temperatur von ca. 1050 bis 1280°C hat, gefahren sind und dort abrollen. Damit die Bramme eine möglichst gleichmäßige Temperatur hält und damit die Halterollen und Treiberrollen gegen die Kontaktwärme mit der Bramme und gegen deren Strahlungswärme geschützt sind, werden die genannten Rollen mit einer Innenkühlung versehen, deren Gestaltung nachfolgend beschrieben wird.Figure 1 shows that the upsetting press in the area between the pressing tools above and below the slab 1 has height-adjustable holding rollers 2, that in the inlet area 3 and in the outfeed area 4 of the upsetting press driving rollers 5 are arranged above and below the slab, and that holding rollers 2 and driving rollers 5 are provided with internal cooling, which is shown in more detail in FIGS. 2 and 3. The two holding rollers 2 are arranged approximately in the center of the slab width and seen in the slab feed direction 6 one behind the other and are vertically displaceable in a holding frame 7 and vertical guides 8 held. The holding frame 7 and the adjusting device 9 for the height shifting of the holding rollers are connected to a crossbar 10, which in each case rests firmly on the upper or lower spars 11, 11 'of the horizontal stand of the upsetting press. The driver rollers 5 are held in a swivel arm 12, the pivot pins of which are arranged on a vertical crossbar 13. The vertical crossbar is screwed firmly to the upper spars 11 and to the lower spars 11 'of the scaffold stand and is located laterally outside the infeed roller table 14 and the outfeed roller table 15 for the slab 1. In the infeed area of the compression press, the lower drive roller 5 can be driven and in the outfeed area Both the upper and the lower driver roller can be driven in the upsetting press. Their drive devices such as cardan shafts, gears and electric motors are not shown in detail. With the help of the driver rollers 5 in the inlet and outlet area of the upsetting press, the slab 1 is continuously and controllably controlled in speed through the press and thus through the area of action of the pressing tools. With the aid of the holding rollers 2 resting on the surface of the slab at the top and bottom, thickening or deflection of the slab upwards or downwards is avoided. However, this means that both the holding rollers and the driving rollers are driven permanently and sometimes with considerable pressure against the hot slab surface, which still has a temperature of approx. 1050 to 1280 ° C., and roll there. So that the slab maintains a temperature that is as uniform as possible and so that the holding rolls and driving rolls are protected against the contact heat with the slab and against its radiant heat, the rolls mentioned are provided with internal cooling, the design of which is described below.

Figur 2 zeigt eine Halterolle 2, die aus einem inneren mit einem Lagerzapfen 16 versehenen Nabenteil 17 und aus einer äußeren mit dem Nabenteil verbindbaren hohlzylindrischen Laufrolle 18 besteht, wobei der Nabenteil außen bzw. die Laufrolle innen umlaufende Ringnuten 19 aufweist, von denen Verbindungskanäle 20 zu den Horizontalkanälen 21 bzw. zu den Eintrittskanälen 22 bzw. Austrittskanälen 23 abgehen. Die Ein- und Austrittskanäle verlaufen achsmittig. Eine Mehrzahl der Horizontalkanäle 21 ist peripher gleichverteilt im Umfangsbereich der Rollen und im wesentlichen parallel zu deren Ablaufflächen 24 angeordnet. Ferner sind die Lagergehäuse der Halterolle, insbesondere deren auf die Brammenoberfläche weisenden Lagerdeckel 25 zusätzlich mit einer Innenkühlung versehen, die im vorliegenden Fall zu einer länglich ausgebildeten Kühltasche 26 geformt ist. Die Anschlüsse für das Kühlmittel sind nicht näher dargestellt. Das Kühlmittel durchfließt die Kühlkanäle in Richtung der dargestellten Pfeile. Die Kühleinrichtung für die Halterolle und die Kühleinrichtung für deren Lagergehäuse bzw. Lagerdeckel sind miteinander durch Rohre verbunden, die nicht näher dargestellt sind, jedoch üblichem Rohrleitungsbau entsprechen können. Es ist erkennbar, daß mit der so gestalteten Anordnung der Kühlmittelkanäle eine optimale Innenkühlung der Halterollen, insbesondere der mit der hochtemperierten Brammenoberfläche in Berührung stehenden Abrollflächen der Halterollen, gewährleistet ist.FIG. 2 shows a holding roller 2, which consists of an inner hub part 17 provided with a bearing pin 16 and an outer hollow cylindrical roller 18 which can be connected to the hub part, the hub part on the outside or the roller on the inside having circumferential annular grooves 19, of which connecting channels 20 the horizontal channels 21 or to the inlet channels 22 or outlet channels 23. The inlet and outlet channels run axially. A plurality of the horizontal channels 21 are arranged peripherally evenly distributed in the circumferential area of the rollers and essentially parallel to their run-off surfaces 24. Furthermore, the bearing housing of the holding roller, in particular its bearing cover 25 pointing to the slab surface, is additionally provided with internal cooling, which in the present case is shaped into an elongated cooling pocket 26. The connections for the coolant are not shown in detail. The coolant flows through the cooling channels in the direction of the arrows shown. The cooling device for the holding roller and the cooling device for its bearing housing or bearing cover are connected to one another by pipes, which are not shown in detail, but can correspond to conventional pipeline construction. It can be seen that the arrangement of the coolant channels designed in this way ensures optimal internal cooling of the holding rollers, in particular the rolling surfaces of the holding rollers that are in contact with the high-temperature slab surface.

Figur 3 zeigt die Ausbildung der Kühlmittelkanäle in der angetriebenen Treiberrolle 5, wobei die Eintritts- bzw. Austrittskanäle 22, 23 als ein der Antriebsseite gegenüberliegend, in Achsmitte verlaufendes beabstandetes Doppelrohr 27 ausgebildet sind, wobei das innere Rohr 28 der Eintrittskanal und das äußere Rohr 29 der Austrittskanal ist, der jeweils über die Verbindungskanäle 20 mit den Horizontalkanälen 21 verbunden ist. Die Lagerdekkel 25 sind wie bei der Halterolle 2 mit einer Innenkühlung versehen, die als Kühltasche 26 geformt ist. Die Versorgung der Kühltasche mit dem Kühlmittel erfolgt über den Kühlmittelanschluß 30, von dem eine Rohrverbindung zu dem Lagerdeckel 25 abgeht. Es ist erkennbar, daß insbesondere mit den im Umfangsbereich der Treiberrolle 25 angeordneten Horizontalkanälen 21 eine sehr gute und gleichmäßige Kühlung der entsprechenden Abrollflächen der Rolle ermöglicht wird, die mit der hochtemperierten Brammenoberfläche in ständige Berührung kommen.FIG. 3 shows the design of the coolant channels in the driven driver roller 5, the inlet and outlet channels 22, 23 being designed as a spaced double tube 27 opposite the drive side and running in the middle of the axis, the inner tube 28 being the inlet channel and the outer tube 29 is the outlet channel, which is connected to the horizontal channels 21 via the connecting channels 20. The bearing cover 25 are provided with an internal cooling, as in the holding roller 2, which is shaped as a cooling pocket 26. The coolant is supplied with the coolant via the coolant connection 30, from which a pipe connection to the bearing cover 25 extends. It can be seen that, in particular, the horizontal channels 21 arranged in the peripheral region of the driving roller 25 enable very good and uniform cooling of the corresponding rolling surfaces of the roller, which come into constant contact with the high-temperature slab surface.

Mit Hilfe der oben beschriebenen Maßnahmen wird die der Erfindung zugrundeliegende Aufgabe in vollem Umfang erfüllt, indem das Ausweichen oder Aufwölben der Bramme während einer kontinuierlich durchgeführten Breitenreduktion vermieden wird und eine unkontrollierte örtliche Abkühlung der Bramme verhindert wird, die immer dann eintreten würde, wenn statt der erfindungsgemäß vorgesehenen Innenkühlung der Halterollen und der Treiberrollen eine offene Wasserkühlung durchgeführt werden würdeWith the aid of the measures described above, the object on which the invention is based is achieved in full by avoiding the slab from deflecting or bulging during a continuous width reduction and preventing uncontrolled local cooling of the slab, which would always occur if instead of that According to the invention provided internal cooling of the holding rollers and the driver rollers, an open water cooling would be carried out

Bezugszeichenü bersichtReference sign overview

  • 1 Bramme1 slab
  • 2 Halterolle2 holding roll
  • 3 Einlaufbereich3 infeed area
  • 4 Auslaufbereich4 outlet area
  • 5 Treiberrolle5 driver role
  • 6 Vorschubrichtung6 feed direction
  • 7 Halterahmen7 holding frames
  • 8 Führungen8 tours
  • 9 Verstelleinrichtung9 adjustment device
  • 10 Quertraverse10 crossbar
  • 11, 11' Holme des Gerüstständers11, 11 'beams of the scaffold stand
  • 12 Schwenkarm12 swivel arm
  • 13 Vertikaltraverse13 vertical traverse
  • 14 Einlaufrollgang14 infeed roller table
  • 15 Auslaufrollgang15 run-out roller table
  • 16 Lagerzapfen16 journals
  • 17 Nabenteil17 hub part
  • 18 Laufrolle18 roller
  • 19 Ringnut19 ring groove
  • 20 Verbindungskanal20 connecting channel
  • 21 Horizontalkanal21 horizontal channel
  • 22 Eintrittskanal22 inlet channel
  • 23 Austrittskanal23 outlet channel
  • 24 Abrollfläche24 rolling surface
  • 25 Lagerdeckel25 bearing caps
  • 26 Kühltasche26 cooler bag
  • 27 Doppelrohr27 double tube
  • 28 Innenrohr28 inner tube
  • 29 Außenrohr29 outer tube
  • 30 Kühlmittelanschluß30 coolant connection

Claims (7)

1. Stauchpresse zur Breitenreduktion von Walzgut, insbesondere zur Reduktion der Brammenbreite in Warmbreitband-Vorstraßen mit beidseitig zur Brammenkante angeordneten Preßwerkzeuge aufnehmenden Werkzeugträgern,
dadurch gekennzeichnet,
daß die Stauchpresse im Bereich zwischen den Preßwerkzeugen mindestens eine oberhalb und unterhalb der Bramme (1) angeordnete, höhenverstellbare Halterolle (2) aufweist, daß im Ein- und Auslaufbereich (3, 4) der Stauchpresse oberhalb und unterhalb der Bramme Treiberrollen (5) angeordnet sind und daß Halterollen (2) und Treiberrollen (5) mit einer Innenkühlung versehen sind.1. Upset press for reducing the width of rolled material, in particular for reducing the slab width in hot wide strip roughing mills with tool carriers accommodating pressing tools arranged on both sides of the slab edge,
characterized,
that the upsetting press in the area between the pressing tools has at least one height-adjustable holding roller (2) arranged above and below the slab (1), that driving rollers (5) are arranged above and below the slab in the inlet and outlet area (3, 4) of the upsetting press are and that holding rollers (2) and driver rollers (5) are provided with internal cooling. 2. Stauchpresse nach Anspruch 1,
dadurch gekennzeichnet,
daß die Lagergehäuse von Halterolle (2) und Treiberrolle (5), insbesondere deren auf die Brammenoberfläche weisenden Lagerdeckel (25) zusätzlich mit einer Innenkühlung versehen sind.2. Upset press according to claim 1,
characterized,
that the bearing housing of the holding roller (2) and driving roller (5), in particular their bearing cover (25) pointing to the slab surface, are additionally provided with internal cooling. 3. Stauchpresse nach Anspruch 1 oder 2, dadurch gekennzeichnet,
daß in jeder Halterolle (2) bzw. in jeder Treiberrolle (5) Kühlmittelkanäle (20-23) angeordnet sind mit achsmittig verlaufenden Eintritts- bzw. Austrittskanälen (22, 23) und mit einer Mehrzahl peripher im Umfangsbereich der Rollen (2, 5) im wesentlichen parallel zu den Abrollflächen (24) der Rollen verlaufenden Horizontalkanälen (21) sowie mit Verbindungskanälen (20) zwischen Eintritts- bzw. Austrittskanälen (22, 23) und Horizontalkanälen (21).3. Upset press according to claim 1 or 2, characterized in
that coolant channels (20-23) are arranged in each holding roller (2) or in each driver roller (5), with inlet or outlet channels (22, 23) running in the center and with a plurality of peripherally in the peripheral region of the rollers (2, 5) horizontal channels (21) running essentially parallel to the rolling surfaces (24) of the rollers and with connecting channels (20) between inlet and outlet channels (22, 23) and horizontal channels (21). 4. Stauchpresse nach mindestens einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
daß im Einlaufbereich (3) der Stauchpresse die untere Treiberrolle (5) antreibbar ist und im Auslaufbereich (4) der Stauchpresse die obere und die untere Treiberrolle (5) antreibbar ist.4. Upset press according to at least one of claims 1 to 3,
characterized,
that the lower driver roller (5) can be driven in the inlet region (3) of the upsetting press and the upper and lower driver rollers (5) can be driven in the outlet region (4) of the upsetting press. 5. Stauchpresse nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß die Kühlmittelversorgung von Halterolle (2) bzw. Treiberrolle (5) mit der Kühlmittelversorgung für deren Lagergehäuse und Lagerdeckel (25) in Verbindung steht.5. Upset press according to one of the preceding claims,
characterized,
that the coolant supply from the holding roller (2) or driver roller (5) is connected to the coolant supply for their bearing housing and bearing cover (25). 6. Stauchpresse nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß zumindest die Halterolle (2) aus einem inneren mit Lagerzapfen (16) versehenen Nabenteil (17) und einer äußeren mit dem Nabenteil verbindbaren hohlzylindrischen Laufrolle (18) besteht und daß der Nabenteil außen bzw. die Laufrolle innen umlaufende Ringnuten (19) aufweist, von denen Verbindungskanäle (20) zu den Horizontalkanälen (21) bzw. zu den Eintritts- bzw. Austrittskanälen (22, 23) abgehen.6. Upset press according to one of the preceding claims,
characterized,
that at least the holding roller (2) consists of an inner hub part (17) provided with bearing journals (16) and an outer hollow cylindrical roller (18) which can be connected to the hub part, and that the hub part or the roller inside has circumferential annular grooves (19), from which connecting channels (20) to the horizontal channels (21) or to the inlet or outlet channels (22, 23) depart. 7. Stauchpresse nach mindestens einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß zumindest bei der angetriebenen Treiberrolle (5), die Eintritts- bzw. Austrittskanäle für das Kühlmittel als ein der Antriebsseite gegenüberliegend, in Achsmitte verlaufendes beabstandetes Doppelrohr (27) ausgebildet sind, wobei das innere Rohr (28) der Eintrittskanal und das äußere Rohr (29) der Austrittskanal ist, der jeweils über Verbindungskanäle (20) mit den Horizontalkanälen (21) verbunden ist.7. Upset press according to at least one of the preceding claims,
characterized,
that, at least in the driven driver roller (5), the inlet and outlet channels for the coolant are formed as a spaced double tube (27), which is opposite the drive side and runs in the middle of the axis, the inner tube (28) the inlet channel and the outer tube ( 29) is the outlet channel, which is connected to the horizontal channels (21) via connecting channels (20).
EP91112376A 1990-08-10 1991-07-24 Pressure roll for holding slabs down in an upsetting press Expired - Lifetime EP0470436B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4025389A DE4025389C2 (en) 1990-08-10 1990-08-10 Cooled conveyor or hold-down device for an upsetting press for reducing the width of rolled material
DE4025389 1990-08-10

Publications (3)

Publication Number Publication Date
EP0470436A2 true EP0470436A2 (en) 1992-02-12
EP0470436A3 EP0470436A3 (en) 1992-04-08
EP0470436B1 EP0470436B1 (en) 1994-12-14

Family

ID=6412015

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91112376A Expired - Lifetime EP0470436B1 (en) 1990-08-10 1991-07-24 Pressure roll for holding slabs down in an upsetting press

Country Status (8)

Country Link
US (1) US5313813A (en)
EP (1) EP0470436B1 (en)
KR (1) KR920004049A (en)
CN (1) CN1034634C (en)
AT (1) ATE115443T1 (en)
DE (2) DE4025389C2 (en)
ES (1) ES2066288T3 (en)
RU (1) RU1831386C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005123293A1 (en) * 2004-06-16 2005-12-29 Danieli & C. Officine Meccaniche S.P.A. Bar speed changing device
WO2008067886A1 (en) * 2006-12-09 2008-06-12 Sms Siemag Ag Drive roller, in particular for edge trimmers
CN103785689A (en) * 2014-02-12 2014-05-14 武汉科技大学 Constant temperature roller based on heat conduction oil

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1462188B1 (en) 1997-09-16 2006-11-29 Ishikawajima-Harima Heavy Industries Co., Ltd. Plate reduction press apparatus and methods
US7137283B2 (en) 1997-10-14 2006-11-21 Ishikawajima-Harima Heavy Industries Co., Ltd. Plate reduction press apparatus and methods
US6971174B2 (en) 2003-01-08 2005-12-06 Alcoa Inc. Method of manufacturing a caster roll
US6892793B2 (en) * 2003-01-08 2005-05-17 Alcoa Inc. Caster roll
KR101878872B1 (en) * 2015-03-20 2018-07-16 제이디씨 가부시키가이샤 Slit band sheet coiling-tension applying device
CN113333472B (en) * 2021-08-08 2021-10-12 常州市坚力橡胶有限公司 Rubber roll and machine tool assembled by same

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE683932C (en) * 1937-12-24 1939-11-18 Kleinewefers Soehne J Heatable and coolable roller, especially for paper and textile calenders
DE2017306A1 (en) * 1969-04-17 1970-10-29
EP0112516A2 (en) * 1982-12-01 1984-07-04 Hitachi, Ltd. Press apparatus for reducing slab width
DE3819391A1 (en) * 1987-06-15 1989-01-05 Escher Wyss Gmbh DEVICE WITH A WORKTOP HEATED WITH A HEAT MEDIUM
DE3837643A1 (en) * 1988-11-05 1990-05-10 Schloemann Siemag Ag Upsetting press for the step wise changing of the cross-section of metal bodies in strand form, e.g. slabs
DE3900668A1 (en) * 1989-01-09 1990-07-12 Mannesmann Ag Press for laterally upsetting workpieces, in particular slab-upsetting press

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3446275A (en) * 1966-09-10 1969-05-27 Tokyo Shibaura Electric Co Cooled roller
US3604237A (en) * 1967-04-03 1971-09-14 Takao Kawanami Work rolls and cooling method thereof
AT359671B (en) * 1978-06-23 1980-11-25 Voest Alpine Ag DRIVING ROLLER SCAFFOLDING FOR A CONTINUOUS CASTING SYSTEM
AT368442B (en) * 1981-01-26 1982-10-11 Alber Franz CONNECTING PIECE
JPS57165355U (en) * 1981-04-13 1982-10-18
US4506727A (en) * 1982-06-14 1985-03-26 Usm Corporation Converted temperature control roll
FI67726C (en) * 1983-01-27 1985-05-10 Outokumpu Oy ANORDNING FOER UPPBAERANDE AV FOER BEHANDLING AVSETT MATERIAL VID KONTINUERLIGT ARBETANDE VAERMEBEHANDLINGSUGNAR
US4603729A (en) * 1983-06-17 1986-08-05 Kabushiki Kaisha Kobe Seiko Sho Piping assembly for use in roll section of continuous casting line
JPS60121001A (en) * 1983-12-02 1985-06-28 Hitachi Ltd Edging equipment
JPH0192401A (en) * 1987-09-29 1989-04-11 Tatsuji Nakajima Production of panty
JPH0824940B2 (en) * 1988-03-18 1996-03-13 石川島播磨重工業株式会社 Buckling prevention device for width reduction press
JP2593534B2 (en) * 1988-11-11 1997-03-26 株式会社日立製作所 Hot rolling equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE683932C (en) * 1937-12-24 1939-11-18 Kleinewefers Soehne J Heatable and coolable roller, especially for paper and textile calenders
DE2017306A1 (en) * 1969-04-17 1970-10-29
EP0112516A2 (en) * 1982-12-01 1984-07-04 Hitachi, Ltd. Press apparatus for reducing slab width
DE3819391A1 (en) * 1987-06-15 1989-01-05 Escher Wyss Gmbh DEVICE WITH A WORKTOP HEATED WITH A HEAT MEDIUM
DE3837643A1 (en) * 1988-11-05 1990-05-10 Schloemann Siemag Ag Upsetting press for the step wise changing of the cross-section of metal bodies in strand form, e.g. slabs
DE3900668A1 (en) * 1989-01-09 1990-07-12 Mannesmann Ag Press for laterally upsetting workpieces, in particular slab-upsetting press

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005123293A1 (en) * 2004-06-16 2005-12-29 Danieli & C. Officine Meccaniche S.P.A. Bar speed changing device
US7559220B2 (en) 2004-06-16 2009-07-14 Danieli & C. Officine Meccanicite S.p.A. Bar speed changing device
WO2008067886A1 (en) * 2006-12-09 2008-06-12 Sms Siemag Ag Drive roller, in particular for edge trimmers
JP2010511516A (en) * 2006-12-09 2010-04-15 エス・エム・エス・ジーマーク・アクチエンゲゼルシャフト Drive roller especially for edge cutter (Besaeumscheren)
CN103785689A (en) * 2014-02-12 2014-05-14 武汉科技大学 Constant temperature roller based on heat conduction oil
CN103785689B (en) * 2014-02-12 2016-01-13 武汉科技大学 A kind of constant temperature roll based on conduction oil

Also Published As

Publication number Publication date
CN1058735A (en) 1992-02-19
RU1831386C (en) 1993-07-30
DE59103867D1 (en) 1995-01-26
DE4025389C2 (en) 1999-01-07
ATE115443T1 (en) 1994-12-15
CN1034634C (en) 1997-04-23
US5313813A (en) 1994-05-24
ES2066288T3 (en) 1995-03-01
EP0470436B1 (en) 1994-12-14
DE4025389A1 (en) 1992-02-13
EP0470436A3 (en) 1992-04-08
KR920004049A (en) 1992-03-27

Similar Documents

Publication Publication Date Title
DE1452117C3 (en) Process and rolling train for hot rolling slabs
DE69833447T2 (en) METHOD FOR PRODUCING A HOT-ROLLED STEEL STRIP
DE19518144A1 (en) A combined casting and rolling plant for metal strips
EP1682288B1 (en) Method and device for applying an adjustable tensile-stress distribution, in particular in the edge regions of cold-rolled metal strips
EP0371281B1 (en) Apparatus for producing hot-rolled steel strip
EP0224333B2 (en) Press apparatus for reducing widths of hot slabs
DE60113657T2 (en) ROLLING OF BELT MATERIAL
EP0470436B1 (en) Pressure roll for holding slabs down in an upsetting press
EP0043956B1 (en) Rolling mill for producing a hot-rolled strip
DE2940473A1 (en) METHOD AND DEVICE FOR PRODUCING METAL PROFILES
DE3622926C2 (en) Continuous multi-stage rolling mill
WO2003015948A1 (en) Device and working method for automatically changing the work rolls, the back-up rolls and the intermediate rolls of a single-stand or multiple-stand strip mill
DE4403339A1 (en) Apparatus for the final shaping of a tube produced by electrical resistance welding
DE1934302A1 (en) Method and device for hot rolling metal slabs
DE2424005B2 (en) Method for removing a dome from a rolling mill and device for carrying out this method
EP0501211B1 (en) Method of operating an upsetting press
EP0086934B1 (en) Method and roll stand for rolling strip of different width
DE97460C (en)
DE2528850B2 (en) Pilgrim step mill for pipe cold rolling
DE2135220C3 (en) Method and device for thermochemical scarfing of the outer surface of a cylindrical metallic workpiece
EP0470435A2 (en) Upsetting press for reducing the width of rolling stock
DE1777354C3 (en) Flanging machine for cold and / or hot forming of the rim of flat or curved container bottoms. Eliminated from: 1777251
DE1508952A1 (en) Direct and continuous manufacturing process for metallurgical products
EP1419840A1 (en) Device for working, particularly by shaving, the edges of a strip material and laser welding method
DE2214034B2 (en) Feed device for a pendulum rolling mill

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19910816

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE DE ES FR GB GR IT NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE DE ES FR GB GR IT NL SE

17Q First examination report despatched

Effective date: 19930302

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE DE ES FR GB GR IT NL SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19941214

REF Corresponds to:

Ref document number: 115443

Country of ref document: AT

Date of ref document: 19941215

Kind code of ref document: T

REF Corresponds to:

Ref document number: 59103867

Country of ref document: DE

Date of ref document: 19950126

EAL Se: european patent in force in sweden

Ref document number: 91112376.8

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2066288

Country of ref document: ES

Kind code of ref document: T3

ITF It: translation for a ep patent filed

Owner name: STUDIO JAUMANN

ET Fr: translation filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19950223

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 19960708

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19960710

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 19960716

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19960719

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19960723

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19960731

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19970724

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19970725

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF THE APPLICANT RENOUNCES

Effective date: 19970726

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19970731

BERE Be: lapsed

Owner name: SCHLOEMANN-SIEMAG A.G. SMS

Effective date: 19970731

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980201

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19970724

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980331

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 19980201

EUG Se: european patent has lapsed

Ref document number: 91112376.8

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20001009

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20090715

Year of fee payment: 19

Ref country code: DE

Payment date: 20090722

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20090723

Year of fee payment: 19

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110201

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 59103867

Country of ref document: DE

Effective date: 20110201

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100724

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100724