EP1449597A2 - Rolling mill for rolling of a longitudinally extending product - Google Patents
Rolling mill for rolling of a longitudinally extending product Download PDFInfo
- Publication number
- EP1449597A2 EP1449597A2 EP04000189A EP04000189A EP1449597A2 EP 1449597 A2 EP1449597 A2 EP 1449597A2 EP 04000189 A EP04000189 A EP 04000189A EP 04000189 A EP04000189 A EP 04000189A EP 1449597 A2 EP1449597 A2 EP 1449597A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller shafts
- ring gear
- roller
- gears
- bevel
- 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
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 10
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 4
- 241000237858 Gastropoda Species 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
- B21B31/22—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal
- B21B31/26—Adjusting eccentrically-mounted roll bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/08—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process
- B21B13/10—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process all axes being arranged in one plane
- B21B13/103—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process all axes being arranged in one plane for rolling bars, rods or wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
- B21B17/02—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
- B21B17/08—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
- B21B17/14—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling without mandrel, e.g. stretch-reducing mills
Definitions
- the invention relates to a roll stand for rolling elongated material, with several arranged in one plane, forming a central caliber opening, with the interposition of a common, rotatable drive element in Form of an internally toothed ring gear radially adjustable via eccentric driven rollers, their roller shafts in the roller housing in eccentric bushings rotatably mounted and geared via intermeshing bevel gears are interconnected.
- the ring gear is provided with an internal toothing, which meshes with the external teeth of spindle nuts, which in turn Take up worm drives that are present when the spindle is turned Gear connections all worm drives simultaneously and in the same direction twist. Due to the spindle drives meshing with the worm wheels the eccentric adjustment of the rollers in the same direction and around equal amounts carried out.
- the invention has for its object to a generic roll stand create that allows the eccentric adjustment without backlash and also smaller can be built.
- the bevel gears separately in cassettes which are forcibly displaceable by mechanical coupling to the ring gear are stored.
- the bevel gears are advantageously slidable with a multi-spline profile at the end of short wave pieces, the other end with a Internal spline is arranged on the roller shafts.
- the shaft pieces are by means of roller bearings in the eccentric bushes designed as worm gears. Snails engage in the worm wheels, trained at their ends Comb the spur gears with the ring gear.
- the end faces that circular contour sections (grooves, paragraphs or the like) into which the Intervene cassettes, are arranged eccentrically to the ring gear center.
- the ring gear turns and are forcibly those with the eccentric grooves or shoulders of the ring gear connected cartridges moved.
- the centers of the roller shafts form a triangle.
- the tips of the triangle move in Direction of the bisector.
- the cassettes are also in this direction shifted and thus also the bevel gears fixed therein, which are in the Move the multi-spline profile of the roller shafts.
- one of the roller shafts is connected to a drive connected and with a drive-side bevel gear and one of them removed, like the other roller shafts with only one bevel gear, on the shaft end arranged bevel gear provided. That about the directly driven
- the drive shaft initiated drive torque is due to the meshing of the teeth between the two pinions or internal gears of this shaft and the associated ones Bevel gears and on the other hand via the meshing of these two bevel gears distributed with one bevel gear each of the other roller shafts.
- roller shafts are preferably designed in thru-axle design and via splined shaft sections or a splined shaft connection with the bevel gears and connected by these picked up short shaft pieces the roller shafts can be easily removed or removed from the stand disassemble and cover the different pipe dimensions Minimize the number of scaffolds. Because after removal, the roller shafts need by changing the three roller bodies only with the required new caliber rollers equipped and inserted into the bevel gears remaining in the frame become.
- rollers between each two worm wheels are wedged on the roller shafts, of which the rear worm wheels with spindle drives assigned to them are, in turn, all with the internal toothing of an outside, Comb the driven ring gear for eccentric adjustment.
- the arrangement of the spindle drives in each case on the outside of the worm wheels, so that they are simultaneously with these and Combing the ring gear makes it possible to improve installation and adjustment.
- the spindle drives are different than in the state of the Technology inside arrangement, not in the way when changing rollers.
- Fig. 1 In the partially sectioned cross section shown in Fig. 1 consists of a roll stand the roller housing, not shown, of an upper and a lower Plate that are screwed together. In the space between the plates three rollers 4, 5, 6 offset from one another by 120 ° are arranged, which the Close caliber 7.
- the rollers 4, 5 and 6 are by means of parallel keys 8 in thru-axle construction executed roller shafts 9, 10 and 11 attached.
- the roller shaft 9 is via a clutch 12 with a drive, not shown connected.
- 11 are in cassettes 14 and 15 via tapered roller bearings 13 shaft end-side bevel gears fixed separately in their installation position 16a, 16b and 16c stored.
- the directly driven roller shaft 9 has on the side facing the coupling connection 12 a second drive side Bevel gear 17 on.
- the bevel gear 17 meshes with the bevel gear 16c Roller shaft 11 and the shaft end bevel gear 16a of the roller shaft 9 meshes with the shaft end bevel gear 16b of the roller shaft 10, so that a closed Power flow is present.
- the respective bevel gears 16a, 16b, 16c on the shaft end are concentric short shaft pieces 21, 22 and 23 on which they with multi-spline profiles 19a, 19b and 19c are engaged, the short shaft pieces 21, 22, 23 in turn sit on splined profiles 20a, 20b and 20c of the roller shafts 9, 10 and 11.
- rollers 4, 5 and 6 The installation and removal of the rollers 4, 5 and 6 is achieved in that the Thru-axle version with roller shafts 9, 10 and 11 in multi-spline connections 18 and 19a, 19b, 19c and 20a, 20b, 20c can be moved.
- the roller body is on both sides on the roller shafts 9 and 10 and 11 eccentric bushes 24 with it trained worm teeth arranged.
- Fig. 2 shows that each from the outside worm shafts 25 with gears 26 are assigned, all in common with an internal toothing 27, the gears 26 of the Combing worm shafts 25 from the outer ring gear 28 so that the Worm shafts 25 in simultaneously with the worm teeth of the eccentric bushes 24 and the ring gear 28 engaging construction are arranged.
- the end faces of the ring gear 28 are designed so that circular contour sections 33 (grooves, shoulders or the like) into which the cassettes 14 and 15 engage by means of driver pieces 30 and 31, eccentrically to the ring gear or Rolling center 29 are arranged.
- the centers of the roller shafts 9, 10 and 11 form - 1 can be seen - a triangle, the size of which changes with the eccentric adjustment of the rollers 4, 5 and 6 changes, which also changes the tips 32a, Shift 32b and 32c of the triangle in the direction of the bisector.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Metal Rolling (AREA)
- Retarders (AREA)
- Manufacturing And Processing Devices For Dough (AREA)
- Gear Transmission (AREA)
Abstract
Description
Die Erfindung betrifft ein Walzgerüst zum Walzen von langgestrecktem Gut, mit mehreren in einer Ebene angeordneten, eine zentrale Kaliberöffnung bildenden, unter Zwischenschaltung eines gemeinsamen, drehbaren Antriebselementes in Form eines innenverzahnten Hohlrades radial über Exzenter gemeinsam anstellbaren angetriebenen Walzen, deren Walzenwellen im Walzengehäuse in Exzenterbuchsen drehbar gelagert und über miteinander kämmende Kegelräder getrieblich miteinander verbunden sind.The invention relates to a roll stand for rolling elongated material, with several arranged in one plane, forming a central caliber opening, with the interposition of a common, rotatable drive element in Form of an internally toothed ring gear radially adjustable via eccentric driven rollers, their roller shafts in the roller housing in eccentric bushings rotatably mounted and geared via intermeshing bevel gears are interconnected.
Ein solches Gerüst zum Kaliber- und Maßwalzen von stab- oder rohrförmigem Walzgut ist durch die DE 42 33 557 C1 bekanntgeworden. Um eine radiale Anstellung der Walzen ohne Veränderung des Zahnspiels der Antriebskegelräder zu ermöglichen, ist dort auf jeder Walzenwelle mindestens ein Stimrad angeordnet, welches jeweils mit einem auf einer parallel zu jeder Walzenwelle im Walzgehäuse vorgesehenen Antriebswelle angeordneten Stirnrad kämmt. Alle Antriebswellen sind in einer gemeinsamen, zur ersten Ebene parallelen zweiten Ebene angeordnet.Such a stand for caliber and dimensional rolling of rod or tubular Rolling stock has become known from DE 42 33 557 C1. A radial job the rollers without changing the tooth play of the drive bevel gears enable, there is at least one spur wheel arranged on each roller shaft, which each with one on a parallel to each roller shaft in the roller housing provided drive shaft combs spur gear. All drive shafts are arranged in a common, second plane parallel to the first plane.
Es liegen dort somit zwei Ebenen vor, nämlich die Getriebeebene und die Walzenebene, wodurch sich für das Walzgerüst bzw. -gehäuse eine entsprechend größere Breite ergibt. Außerdem wird zwar das Zahnspiel der Antriebskegelräder verringert, jedoch muß die durch die Exzenteranstellung bewirkte Abweichung stattdessen im Zahnspiel der Stirnräder aufgenommen werden, deren erhöhtes Spiel dann doch wieder zu Ungenauigkeiten führt. Die Exzenter- bzw. Radialverstellung der in der anderen Ebene angeordneten Walzen wird über die Getriebeebene eingeleitet. Hierzu wird eine an ihrem Ende verzahnte Verstellspindel gedreht, deren Verzahnung in eine Außenverzahnung eines Hohlrades eingreift und dieses koaxial zur Walzenwelle verdreht. Das Hohlrad ist mit einer Innenverzahnung versehen, die mit der Außenverzahnung von Spindelmuttern kämmt, welche ihrerseits Schneckentriebe aufnehmen, die beim Verdrehen der Spindel über die vorliegenden Zahnradverbindungen alle Schneckentriebe gleichzeitig und in gleicher Richtung verdrehen. Bedingt durch die mit den Schneckenrädern kämmenden Spindeltriebe wird die Exzenterverstellung der Walzen in gleicher Richtung und um gleiche Beträge durchgeführt.There are therefore two levels there, namely the gear level and the roller level, which is a correspondingly larger for the roll stand or housing Width results. In addition, the tooth play of the drive bevel gears is reduced, however, the deviation caused by the eccentric adjustment must instead be included in the tooth play of the spur gears, their increased play then again leads to inaccuracies. The eccentric or radial adjustment The rollers arranged in the other plane are introduced via the gear plane. For this purpose, an adjusting spindle toothed at its end is rotated Gearing engages in an external toothing of a ring gear and this coaxial twisted to the roller shaft. The ring gear is provided with an internal toothing, which meshes with the external teeth of spindle nuts, which in turn Take up worm drives that are present when the spindle is turned Gear connections all worm drives simultaneously and in the same direction twist. Due to the spindle drives meshing with the worm wheels the eccentric adjustment of the rollers in the same direction and around equal amounts carried out.
Aus der DE 22 59 143 B2 ist das Verschieben von Kegelrädern auf den Walzenwellen bekannt. Die Kegelräder sind im Walzengehäuse gelagert sowie stationär angeordnet und jeweils mit einer Innenverzahnung versehen, die mit an den Walzenwellen um ein Exzentermaß versetzt angeordneten, komplementären Innenzahnrädern kämmen.DE 22 59 143 B2 describes the displacement of bevel gears on the roller shafts known. The bevel gears are mounted in the roller housing and are stationary arranged and each provided with an internal toothing that with the roller shafts Complementary internal gears arranged offset by an eccentric dimension comb.
Der Erfindung liegt die Aufgabe zugrunde, ein gattungsgemäßes Walzgerüst zu schaffen, das die Exzenterverstellung ohne Zahnspiel ermöglicht und zudem kleiner bauend ausgeführt werden kann.The invention has for its object to a generic roll stand create that allows the eccentric adjustment without backlash and also smaller can be built.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Kegelräder separat in durch mechanische Kopplung zum Hohlrad zwangsweise verschiebbaren Kassetten gelagert sind. Die Kegelräder sitzen vorteilhaft mit einem Vielkeilprofil verschiebbar am Ende von kurzen Wellenstücken, deren anderes Ende mit einem Innenvielkeilprofil auf den Walzenwellen angeordnet ist. Die Wellenstücke sind mittels Wälzlager in den als Schneckenräder ausgebildeten Exzenterbuchsen gelagert. In die Schneckenräder greifen Schnecken ein, an deren Enden ausgebildete Stirnräder mit dem Hohlrad kämmen. Auf dem Hohlrad mit der Innenverzahnung sind nach einem Vorschlag der Erfindung die Stirnflächen so ausgebildet, daß kreisförmige Konturabschnitte (Nuten, Absätze oder dergleichen), in die die Kassetten eingreifen, exzentrisch zur Hohlradmitte angeordnet sind. Einhergehend mit der Exzenterverstellung der Walzenwellen dreht sich daher das Hohlrad und werden zwangsweise die mit den exzentrischen Nuten oder Absätzen des Hohlrades verbundenen Kassetten verschoben.This object is achieved in that the bevel gears separately in cassettes which are forcibly displaceable by mechanical coupling to the ring gear are stored. The bevel gears are advantageously slidable with a multi-spline profile at the end of short wave pieces, the other end with a Internal spline is arranged on the roller shafts. The shaft pieces are by means of roller bearings in the eccentric bushes designed as worm gears. Snails engage in the worm wheels, trained at their ends Comb the spur gears with the ring gear. On the ring gear with the internal toothing are designed according to a proposal of the invention, the end faces that circular contour sections (grooves, paragraphs or the like) into which the Intervene cassettes, are arranged eccentrically to the ring gear center. accompanying with the eccentric adjustment of the roller shafts, the ring gear turns and are forcibly those with the eccentric grooves or shoulders of the ring gear connected cartridges moved.
Die Mitten der Walzenwellen bilden ein Dreieck. Bei der Exzenterverstellung der Walzen ändert sich die Größe des Dreiecks. Die Spitzen des Dreiecks wandern in Richtung der Winkelhalbierenden. In diese Richtung werden auch die Kassetten verschoben und somit auch die darin fest gelagerten Kegelräder, die sich dabei im Vielkeilprofil der Walzenwellen verschieben.The centers of the roller shafts form a triangle. When adjusting the eccentric Rolling changes the size of the triangle. The tips of the triangle move in Direction of the bisector. The cassettes are also in this direction shifted and thus also the bevel gears fixed therein, which are in the Move the multi-spline profile of the roller shafts.
Es läßt sich damit eine gemeinsame zentrische Anstellung aller Walzen auch unter Walzdruck erreichen, wobei die Einbaulage der gemeinsam verpaßten bzw. eingepaßten - was das Tragbild der miteinander kämmenden Kegelradpaare optimiert - Kegelradpaare erhalten bleibt. Da keine in unterschiedlichen Ebenen miteinander kämmenden Stirnräder mehr erforderlich sind, wird außerdem die Gerüstbreite deutlich verringert.It can also be a common centric position of all rollers Achieve rolling pressure, whereby the installation position of the jointly missed or fitted - which optimizes the contact pattern of the meshing bevel gear pairs - Bevel gear pairs are retained. Since none in different levels with each other meshing spur gears are required more, the scaffold width is also significantly reduced.
Nach einer Ausführung der Erfindung ist die eine der Walzenwellen an einen Antrieb angeschlossen und mit einem antriebsseitigen Kegelrad und einem davon entfernten, wie die nur ein Kegelrad besitzenden übrigen Walzenwellen wellenendseitig angeordneten Kegelrad versehen. Das über die direkt angetriebene Walzenwelle eingeleitete Antriebsmoment wird durch einerseits den Zahneingriff zwischen den beiden Ritzeln bzw. Innenzahnrädern dieser Welle und den zugehörigen Kegelrädem und andererseits über den Zahneingriff dieser beiden Kegelräder mit jeweils einem Kegelrad der weiteren Walzenwellen verteilt.According to one embodiment of the invention, one of the roller shafts is connected to a drive connected and with a drive-side bevel gear and one of them removed, like the other roller shafts with only one bevel gear, on the shaft end arranged bevel gear provided. That about the directly driven The drive shaft initiated drive torque is due to the meshing of the teeth between the two pinions or internal gears of this shaft and the associated ones Bevel gears and on the other hand via the meshing of these two bevel gears distributed with one bevel gear each of the other roller shafts.
Wenn die Walzenwellen vorzugsweise in Steckachsenbauweise ausgeführt und über Vielkeilwellenabschnitte bzw. eine Vielkeilwellenverbindung mit den Kegelrädern und von diesen aufgenommenen kurzen Wellenstücken verbunden sind, lassen sich die Walzenwellen in einfacher Weise ausbauen bzw. aus dem Gerüst demontieren und die zur Abdeckung der verschiedenen Rohrabmessungen benötigte Gerüstanzahl minimieren. Denn nach dem Ausbau brauchen die Walzenwellen durch Wechsel der drei Walzenkörper lediglich mit dem benötigten neuen Kaliberwalzen bestückt und in die im Gerüst verbliebenen Kegelräder eingesteckt zu werden.If the roller shafts are preferably designed in thru-axle design and via splined shaft sections or a splined shaft connection with the bevel gears and connected by these picked up short shaft pieces the roller shafts can be easily removed or removed from the stand disassemble and cover the different pipe dimensions Minimize the number of scaffolds. Because after removal, the roller shafts need by changing the three roller bodies only with the required new caliber rollers equipped and inserted into the bevel gears remaining in the frame become.
Eine weitere Ausgestaltung der Erfindung sieht vor, daß die Walzen zwischen jeweils zwei Schneckenrädern auf den Walzenwellen verkeilt sind, von denen die hinteren Schneckenräder mit ihnen jeweils zugeordneten Spindeltrieben in Eingriff sind, die ihrerseits sämtlich mit der Innenverzahnung eines sie von außen umschließenden, zur Exzenterverstellung antreibbaren Hohlrades kämmen. Die beidseitig der Walzen auf den Exzenterbuchsen angeordneten Schneckenräder führen bekanntermaßen zu einem sowohl konstruktiv als auch hinsichtlich der Krafteinleitung und -verteilung symmetrischen System. Die Anordnung der Spindeltriebe jeweils außen an den Schneckenrädern, so daß sie gleichzeitig mit diesen und dem Hohlrad kämmen, ermöglicht es, den Einbau und die Justierung zu verbessern. Außerdem stehen die Spindeltriebe, anders als bei nach dem Stand der Technik innenliegender Anordnung, beim Walzenwechsel nicht im Weg.Another embodiment of the invention provides that the rollers between each two worm wheels are wedged on the roller shafts, of which the rear worm wheels with spindle drives assigned to them are, in turn, all with the internal toothing of an outside, Comb the driven ring gear for eccentric adjustment. The bilateral guide the rollers on the eccentric bushes arranged worm wheels as is known, both in terms of construction and in terms of force transmission and distribution symmetrical system. The arrangement of the spindle drives in each case on the outside of the worm wheels, so that they are simultaneously with these and Combing the ring gear makes it possible to improve installation and adjustment. In addition, the spindle drives are different than in the state of the Technology inside arrangement, not in the way when changing rollers.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus den Ansprüchen und der nachfolgenden Beschreibung eines in den Zeichnungen dargestellten Ausführungsbeispiels der Erfindung. Es zeigen:
- Fig.
- 1 einen teilgeschnittenen Querschnitt durch eine Walzenanordnung eines Walzgerüstes; und
- Fig. 2
- als Einzelheit eine Schemadarstellung der Exzenterverstelleinheit.
- FIG.
- 1 shows a partially sectioned cross section through a roller arrangement of a roll stand; and
- Fig. 2
- as a detail a schematic representation of the eccentric adjustment unit.
In dem in Fig. 1 gezeigten teilgeschnittenen Querschnitt durch ein Walzgerüst besteht
das nicht dargestellte Walzengehäuse aus einer oberen und einer unteren
Platte, die miteinander verschraubt sind. In dem Freiraum zwischen den Platten
sind drei um jeweils 120° zueinander versetzte Walzen 4, 5, 6 angeordnet, die das
Kaliber 7 schließen. Die Walzen 4, 5 und 6 sind mittels Paßfedern 8 auf in Steckachsenbauweise
ausgeführten Walzenwellen 9, 10 und 11 befestigt.In the partially sectioned cross section shown in Fig. 1 consists of a roll stand
the roller housing, not shown, of an upper and a lower
Plate that are screwed together. In the space between the plates
three
Die Walzenwelle 9 ist über eine Kupplung 12 mit einem nicht dargestellten Antrieb
verbunden. Zur Verteilung der Antriebsleistung bzw. des Antriebsdrehmomentes
auf die beiden übrigen Walzenwellen 10, 11 sind in Kassetten 14 und 15 über Kegelrollenlager
13 jeweils separat in ihrer Einbaulage fixierte wellenendseitige Kegelräder
16a, 16b und 16c gelagert. Die direkt angetriebene Walzenwelle 9 weist
an der dem Kupplungsanschluß 12 zugewandten Seite noch ein zweites, antriebsseitiges
Kegelrad 17 auf. Das Kegelrad 17 kämmt mit dem Kegelrad 16c der
Walzenwelle 11 und das wellenendseitige Kegelrad 16a der Walzenwelle 9 kämmt
mit dem wellenendseitigen Kegelrad 16b der Walzenwelle 10, so daß ein geschlossener
Kraftfluß vorliegt.The roller shaft 9 is via a
Zur Einleitung des Antriebsdrehmomentes in die Walzenwellen 9, 10 und 11 ist
das antriebsseitige Kegelrad 17 über ein Vielkeilprofil18 mit der Walzenwelle 9
verbunden. Die jeweils wellenendseitigen Kegelräder 16a, 16b, 16c nehmen konzentrisch
kurze Wellenstücke 21, 22 und 23 auf, über die sie mit Vielkeilprofilen
19a, 19b und 19c im Eingriff sind, wobei die kurzen Wellenstücke 21, 22, 23 ihrerseits
auf Vielkeilprofilen 20a, 20b und 20c der Walzenwellen 9, 10 und 11 sitzen.To initiate the drive torque in the
Der Ein und Ausbau der Walzen 4, 5 und 6 wird dadurch erreicht, daß die in
Steckachsenversion ausgeführten Walzenwellen 9, 10 und 11 in den Vielkeilverbindungen
18 sowie 19a, 19b, 19c und 20a, 20b, 20c verschoben werden können. The installation and removal of the
Zur An- bzw. Verstellung der Walzen 4, 5 und 6 sind jeweils beidseitig der Walzenkörper
auf den Walzenwellen 9 sowie 10 und 11 Exzenterbuchsen 24 mit darauf
ausgebildeter Schneckenverzahnung angeordnet. Die Fig. 2 zeigt, daß jeweils
von außen Schneckenwellen 25 mit Zahnrädem 26 zugeordnet sind, die alle gemeinsam
mit einem eine Innenverzahnung 27 besitzenden, die Zahnräder 26 der
Schneckenwellen 25 von außen umschließenden Hohlrad 28 kämmen, so daß die
Schneckenwellen 25 in gleichzeitig mit der Schneckenverzahnung der Exzenterbuchsen
24 und das Hohlrad 28 eingreifender Bauweise angeordnet sind. Durch
Verdrehen des Hohlrades 28 in Umfangsrichtung, was in der bei dem eingangs
geschilderten Walzgerüst bekannten Weise erfolgen kann, werden weg- und zeitgleich
die Schneckenwellen 25 und damit entsprechend die Exzenterbuchsen 24
verdreht, womit einhergehend sich die radiale Lage der Walzen 4, 5 und 6 verändert.For the adjustment or adjustment of the
Die Stirnflächen des Hohlrades 28 sind so ausgebildet, daß kreisförmige Konturabschnitte
33 (Nuten, Absätze oder dergleichen), in die die Kassetten 14 und 15
mittels Mitnehmerstücken 30 und 31 eingreifen, exzentrisch zur Hohlrad- bzw.
Walzmitte 29 angeordnet sind. Die Mitten der Walzenwellen 9, 10 und 11 bilden -
wie der Fig. 1 zu entnehmen ist - ein Dreieck, dessen Größe sich mit der Exzenterverstellung
der Walzen 4, 5 und 6 verändert, womit sich auch die Spitzen 32a,
32b und 32c des Dreiecks in Richtung der Winkelhalbierenden verlagern. Durch
das Drehen des Hohlrades 28, beim Verstellen des Exzenters, bewegen sich auch
die kreisförmigen exzentrisch angeordneten Konturabschnitte 33 auf dem Hohlrad
28 mit und verschieben die Kassetten 14 und 15. Damit verschieben sich auch die
in den Kassetten 14 und 15 gelagerten Kegelräder 16a, 16b, 16c und 17 in den
Vielkeilprofilen 18, 19a, 19b und 19c. Ein Spiel zwischen den Zahneingriffen der
Kegelräder 16a, 16b, 16c und 17 kann nicht auftreten.The end faces of the
Claims (5)
dadurch gekennzeichnet, daß die Kegelräder (16a, 16b, 16c, 17) separat in durch mechanische Kopplung (30, 31) zum Hohlrad (28) zwangsweise verschiebbaren Kassetten (14, 15) gelagert sind.Rolling stand for rolling elongated material, with a plurality of driven rolls (4, 5, 6) arranged in one plane and forming a central caliber opening (7) with the interposition of a common, rotatable drive element in the form of an internally toothed ring gear (28) radially adjustable via eccentrics ), the roller shafts (9, 10, 11) of which are rotatably mounted in the roller housing in eccentric bushes (24) and are connected to one another in a geared manner via intermeshing bevel gears,
characterized in that the bevel gears (16a, 16b, 16c, 17) are mounted separately in cassettes (14, 15) which can be displaced by mechanical coupling (30, 31) to the ring gear (28).
dadurch gekennzeichnet, daß die eine der Walzenwellen (9) an einen Antrieb angeschlossen und mit einem antriebsseitigen Kegelrad (17) und einem davon entfernten, wie die nur ein Kegelrad (16c, 16c) besitzenden übrigen Walzenwellen (10, 11) wellenendseitig angeordneten Kegelrad (16a) versehen ist.Roll stand according to claim 1,
characterized in that the one of the roller shafts (9) is connected to a drive and has a bevel gear (17) on the drive side and a bevel gear (17) located on the shaft end and remote from it, like the other roller shafts (10, 11) having only one bevel gear (16c, 16c). 16a) is provided.
dadurch gekennzeichnet, daß die Walzenwellen (9; 10, 11) in Steckachsenbauweise ausgeführt und über Vielkeilwellenabschnitte (19a, 19b, 19c; 20a, 20b, 20c) mit den Kegelrädern (16a, 16b, 16c; 17) verschiebbar verbunden sind. Roll stand according to claim 1 or 2,
characterized in that the roller shafts (9; 10, 11) are of thru-axle construction and are connected to the bevel gears (16a, 16b, 16c; 17) by means of splined shaft sections (19a, 19b, 19c; 20a, 20b, 20c).
dadurch gekennzeichnet, daß die Walzen (4, 5, 6) zwischen jeweils zwei Schneckenrädern (25) auf den Walzenwellen (9; 10, 11) verkeilt sind, von denen die hinteren Schnekkenräder koaxial auf kurzen Wellenstücken (21, 22, 23) lagern, und die Schneckenräder (24) mit ihnen jeweils zugeordneten Spindeltrieben (26) in Eingriff sind, die ihrerseits sämtlich mit der Innenverzahnung (27) eines sie von außen umschließenden, zur Exzenterverstellung antreibbaren Hohlrades (28) kämmen.Roll stand according to one of claims 1 to 3,
characterized in that the rollers (4, 5, 6) are wedged between two worm gears (25) on the roller shafts (9; 10, 11), of which the rear worm gears are coaxially supported on short shaft pieces (21, 22, 23) , and the worm gears (24) are in engagement with their respective associated spindle drives (26), which in turn mesh with the internal toothing (27) of a ring gear (28) which surrounds them from the outside and can be driven for eccentric adjustment.
dadurch gekennzeichnet, daß die Kassetten (14, 15) über Mitnehmerstücke (30, 31 ) mit den auf dem Hohlrad (28) vorgesehenen kreisförmigen, exzentrisch angeordneten Konturabschnitten (33) verbunden sind.Roll stand according to one of claims 1 to 4,
characterized in that the cassettes (14, 15) are connected via carrier pieces (30, 31) to the circular, eccentrically arranged contour sections (33) provided on the ring gear (28).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10307199 | 2003-02-20 | ||
DE10307199A DE10307199B3 (en) | 2003-02-20 | 2003-02-20 | Rolling stand, for rod and tubular materials, has roller shafts in eccentric bushes at the housing, meshing together by bevel gears in cassettes to allow eccentric adjustment without play at the drive teeth |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1449597A2 true EP1449597A2 (en) | 2004-08-25 |
EP1449597A3 EP1449597A3 (en) | 2005-03-16 |
EP1449597B1 EP1449597B1 (en) | 2007-06-13 |
Family
ID=32731072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04000189A Expired - Lifetime EP1449597B1 (en) | 2003-02-20 | 2004-01-08 | Rolling mill for rolling of a longitudinally extending product |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1449597B1 (en) |
AT (1) | ATE364458T1 (en) |
DE (2) | DE10307199B3 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014161915A (en) * | 2013-02-21 | 2014-09-08 | Sms Meer Gmbh | Roller stand for absorbing rolling forces |
DE102004054861B4 (en) * | 2004-11-12 | 2015-01-22 | Kocks Technik Gmbh & Co. Kg | Roll stand for rolling bar or tubular rolling stock |
DE102004054860B4 (en) * | 2004-11-12 | 2016-02-18 | Kocks Technik Gmbh & Co. Kg | Roll stand for rolling bar or tubular rolling stock |
ITUB20155314A1 (en) * | 2015-10-23 | 2017-04-23 | Danieli Off Mecc | MULTI-CHAMBER MILL FOR ASTIFORM BODIES INCLUDING THREE ROLLED CAGES |
CN109332392A (en) * | 2018-11-06 | 2019-02-15 | 重庆诺林工程技术有限公司 | A kind of modular milling train and its module milling train unit |
IT202000023761A1 (en) * | 2020-10-08 | 2022-04-08 | Sms Group S P A | ROLLING MILL FOR FULL STRETCHED PRODUCTS |
IT202000023752A1 (en) * | 2020-10-08 | 2022-04-08 | Sms Group S P A | ROLLING MILL FOR FULL STRETCHED PRODUCTS |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006062201B4 (en) * | 2006-12-22 | 2011-01-27 | Sms Meer Gmbh | Roll stand for rolling elongate material |
DE102010010697B4 (en) * | 2009-03-31 | 2017-11-02 | Sms Group Gmbh | Rolling mill for producing pipes and rods or the like long products |
DE102009021260A1 (en) | 2009-05-14 | 2010-11-18 | Sms Meer Gmbh | Method for adjusting the position of a roll in a rolling mill stand of a rolling mill and system consisting of a rolling mill and a calibration stand |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2259143A1 (en) * | 1972-12-02 | 1974-06-06 | Kocks Gmbh Friedrich | ROLLING FRAMEWORK FOR ROLLING MAINLY BAR-SHAPED GOODS |
DE3703756A1 (en) * | 1987-02-07 | 1988-08-18 | Kocks Technik | Rolling stand for rolling rod or tube stock |
US5144827A (en) * | 1990-07-12 | 1992-09-08 | Sumitomo Heavy Industries, Ltd | Rolling mill stand |
DE4233557C1 (en) * | 1992-09-30 | 1993-09-16 | Mannesmann Ag, 40213 Duesseldorf, De |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2116426B1 (en) * | 1971-04-03 | 1972-10-19 | Bau-Stahlgewebe GmbH, 4000 Düsseldorf-Oberkassel | Roll stand for cold working of rolled steel in rod or wire form |
-
2003
- 2003-02-20 DE DE10307199A patent/DE10307199B3/en not_active Expired - Lifetime
-
2004
- 2004-01-08 DE DE502004004059T patent/DE502004004059D1/en not_active Expired - Lifetime
- 2004-01-08 EP EP04000189A patent/EP1449597B1/en not_active Expired - Lifetime
- 2004-01-08 AT AT04000189T patent/ATE364458T1/en not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2259143A1 (en) * | 1972-12-02 | 1974-06-06 | Kocks Gmbh Friedrich | ROLLING FRAMEWORK FOR ROLLING MAINLY BAR-SHAPED GOODS |
DE3703756A1 (en) * | 1987-02-07 | 1988-08-18 | Kocks Technik | Rolling stand for rolling rod or tube stock |
US5144827A (en) * | 1990-07-12 | 1992-09-08 | Sumitomo Heavy Industries, Ltd | Rolling mill stand |
DE4233557C1 (en) * | 1992-09-30 | 1993-09-16 | Mannesmann Ag, 40213 Duesseldorf, De |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004054860B4 (en) * | 2004-11-12 | 2016-02-18 | Kocks Technik Gmbh & Co. Kg | Roll stand for rolling bar or tubular rolling stock |
DE102004054861B4 (en) * | 2004-11-12 | 2015-01-22 | Kocks Technik Gmbh & Co. Kg | Roll stand for rolling bar or tubular rolling stock |
DE102013002903B4 (en) * | 2013-02-21 | 2017-10-19 | Sms Group Gmbh | Rolling device for taking up rolling forces |
EP2769778A3 (en) * | 2013-02-21 | 2015-04-22 | SMS Meer GmbH | Roller stand for absorbing rolling forces |
JP2014161915A (en) * | 2013-02-21 | 2014-09-08 | Sms Meer Gmbh | Roller stand for absorbing rolling forces |
ITUB20155314A1 (en) * | 2015-10-23 | 2017-04-23 | Danieli Off Mecc | MULTI-CHAMBER MILL FOR ASTIFORM BODIES INCLUDING THREE ROLLED CAGES |
WO2017068533A1 (en) * | 2015-10-23 | 2017-04-27 | Danieli & C. Officine Meccaniche S.P.A. | Multi-stand rolling mill for rod-shaped bodies comprising three motorized-rollers stands |
EP3365119B1 (en) | 2015-10-23 | 2020-01-01 | Danieli & C. Officine Meccaniche S.p.A. | Multi-stand rolling mill for rod-shaped bodies comprising three motorized-rollers stands |
CN109332392A (en) * | 2018-11-06 | 2019-02-15 | 重庆诺林工程技术有限公司 | A kind of modular milling train and its module milling train unit |
IT202000023761A1 (en) * | 2020-10-08 | 2022-04-08 | Sms Group S P A | ROLLING MILL FOR FULL STRETCHED PRODUCTS |
IT202000023752A1 (en) * | 2020-10-08 | 2022-04-08 | Sms Group S P A | ROLLING MILL FOR FULL STRETCHED PRODUCTS |
EP3981521A1 (en) * | 2020-10-08 | 2022-04-13 | SMS group S.p.A. | Rolling mill for solid elongated products |
EP3981520A1 (en) * | 2020-10-08 | 2022-04-13 | SMS group S.p.A. | Rolling mill for solid elongated products |
US11565291B2 (en) | 2020-10-08 | 2023-01-31 | Sms Group S.P.A. | Rolling mill for solid elongated products |
US11931784B2 (en) | 2020-10-08 | 2024-03-19 | Sms Group S.P.A. | Rolling mill for solid elongated products |
Also Published As
Publication number | Publication date |
---|---|
EP1449597A3 (en) | 2005-03-16 |
EP1449597B1 (en) | 2007-06-13 |
ATE364458T1 (en) | 2007-07-15 |
DE502004004059D1 (en) | 2007-07-26 |
DE10307199B3 (en) | 2004-08-19 |
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