EP2214898B1 - Roll press comprising two mobile rolls and method for centering two mobile rolls - Google Patents
Roll press comprising two mobile rolls and method for centering two mobile rolls Download PDFInfo
- Publication number
- EP2214898B1 EP2214898B1 EP08856087.5A EP08856087A EP2214898B1 EP 2214898 B1 EP2214898 B1 EP 2214898B1 EP 08856087 A EP08856087 A EP 08856087A EP 2214898 B1 EP2214898 B1 EP 2214898B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- machine frame
- pressure
- rollers
- roll press
- cylinder
- 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.)
- Not-in-force
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B3/00—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs
- B30B3/04—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs co-operating with one another, e.g. with co-operating cones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/32—Adjusting, applying pressure to, or controlling the distance between, milling members
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49718—Repairing
Definitions
- the invention relates to a roller press for pressure treatment or for compacting granular Guts comprising two each rotatably mounted on a shaft in a machine frame and driven in opposite directions, separated by a nip Loswalzen, the waves of the Loswalzen received in the machine frame movably arranged bearing housings, and wherein respectively two arranged on one side of the rollers bearing housings of different rollers are interconnected via at least one Anpresszylinder having two pistons forming in the at least one Anpresszylinder two outer working spaces and a central working space, and a method for centering of idler rollers in a roller press the above mentioned type.
- a first roller as a fixed roller immobile stored in bearings, which in turn are secured by bearing housings in a machine frame to consoles.
- a second roller is mounted as a Loswalze in camps, which are arranged in between two consoles of the machine frame movably arranged bearing housings.
- the hydraulic drives for relative positioning of the idler roller relative to the fixed roller and to maintain the pressure in the nip exert high forces on the machine frame as Abutment from what it is necessary to design the machine frame accordingly stable.
- the roller press according to the invention for pressure treatment or for compacting granular material has two each rotatably mounted on a shaft in a machine frame and driven in opposite directions, separated by a nip idler rolls. It is provided that the waves of the Loswalzen are accommodated in the machine frame movably arranged bearing housings. Two bearing housings of different rollers, each arranged on one side of the rollers, are connected to one another via at least one pressure cylinder, which has two pistons which form two outer working spaces and a middle working space in the at least one pressure cylinder.
- the outer working spaces of the at least one pressing cylinder have an opposing force effect have and are connected to each other medium pressure.
- the at least one working cylinder In the fixed connection of the at least one working cylinder to the machine frame, the at least one working cylinder can exert no radial force with respect to the rollers on the machine frame, which goes beyond the force generated by the friction of the hydraulic piston in the working cylinder. Because of the opposing force of the different working spaces and the connection of the work spaces with each other any force that is transmitted through a working space of a Anpresszylinders on the machine frame, compensated by the force of the opposite working space of the same Anpresszylinders. In this case, the frictional connection for compensating the forces on the machine frame via the pressure medium is produced.
- the machine frame receives axially directed forces with respect to the rollers, such as those caused by a change in the rotational position or by axial impacts of the rollers.
- the two rollers are stored floating in the machine frame despite the connecting them together pressing cylinder, which are fixed in the machine frame.
- the pressure cylinders can thus control the width of the nip but not the position of the nip.
- the centering method according to the invention thus combines the advantages of different types of roller presses, namely those with a fixed roller and those with two loose rollers.
- a piston of the pressure cylinder two pistons are provided which divide the cylinder into three spaces.
- Each piston is connected to a pull rod, wherein a pull rod is led out to one side of the cylinder in each case.
- the two outer rooms are used as work spaces. This means that when pressure is applied to the work spaces, both pull-out pull rods are pulled inward by the respective piston into the cylinder.
- the space formed between the two pistons is filled either with compressed air or with inert gas, the pressure in the middle working space being used to overcome the friction of the pistons in the cylinder, but it is also possible to evacuate the working space, so that the pistons can abut one another without creating an opposite pressure by compressing the gas in the middle space.
- the middle working space is accessible through a valve of selective ventilation. It is conceivable to make the middle working space fillable and also to apply pressure medium, for example, to move the rollers apart. In this case, the stroke of the pistons in the cylinder is restricted, so that the pistons do not move beyond the position of the supply valve of the central working space, thus making the middle working space powerless and short-circuiting the supply lines of the middle and the outer working space.
- a force compensation is generated and through this connection can also be a single Pump used to generate pressure, which generates the pressure for all work spaces simultaneously. So it is not only possible to connect the working spaces of a cylinder with each other, but it is also possible to connect all working spaces of the pressure cylinder together.
- the invention provides for movably connecting the bearing housings of the rollers via control cylinders to the machine frame.
- the machine frame must absorb as an abutment for the control cylinder only the force that is necessary for the positioning of the rollers, but not the force that is necessary to maintain the pressure in the nip.
- control cylinders are connected to the machine frame, wherein in each case a control cylinder is connected to a respective bearing housing of the two rollers.
- the control cylinders control the position of the rollers. Paired in pairs, the roller pairs determine the rotational position of the rollers and, paired in parallel, the control cylinders determine the linear position of the rollers in the machine frame.
- the working spaces of the control cylinders are connected to each other via a pump operating in four-quadrant operation.
- this pump can affect the linear and the rotational position, in which the pressure medium present in the control system is pumped from one pair of control cylinders into the other pair.
- each control cylinder it is also possible to design each control cylinder so that a working space is provided on both sides of the piston, so that the amount of oil present in the control system is the same at each position of both rollers.
- the eight working spaces of the four control cylinders can be interconnected accordingly. The skilled person is here free to determine the appropriate control of the control cylinder.
- the force of the control cylinder can be used as an additional contact force, however, must be derived via the machine frame as an abutment in contrast to the contact pressure by the Anpresszylinder with at least two working spaces and their pressure medium connection.
- a machine frame between two carriers in each case receives two bearing housings in one direction movable.
- the bearing housings include the bearing for the shafts and are each embraced by a traverse with respect to the movable direction in the machine frame outer side, wherein the traverse is pivotally connected to two Anzylinders, each having at least two pressure medium-connected Have workrooms with opposite direction of force.
- the Anpresszylinder pull the trusses together and pull the bearing housing, because the trusses embrace the bearing housings.
- FIG. 1 a roller press 10 according to the invention is shown, which has a machine frame 21 which receives the components of the roller press 10.
- the machine frame 21 consists, among other sub-elements of the frame members 22, 23, 24 and 25, and the arms 26 and 27, which form a unit via a bridge 28 with the machine frame 21.
- the rollers 30 and 31 are accommodated, which are formed as Loswalzen and the rollers 30 and 31 are mounted on the shafts 32 and 33 in bearing housings 34, 35, 36 and 37, in which there are corresponding shaft bearings.
- the bearing housings 34, 35, 36 and 37 are surrounded by traverses 40, 41, 42 and 43, which are connected via tie rods 44, 45, 46, 47, 48, 49, 50 and 51 with the pressure cylinders 60, 70, 80 and 90 together are connected, wherein in this perspective view, the pressure cylinders 80 and 90 are not visible. These are arranged behind the plane of the paper and are covered by the frame members 22 and 23 and by the rollers 30 and 31.
- the rollers 30 and 31 are arranged on the shafts 32 and 33 and the bearing housings 34, 35, 36 and 37 floating in the machine frame 21. That is, the rollers 30 and 31 can slide back and forth along the frame members 22, 23, 24 and 25 or rotate rotationally therein as far as the stroke in the pressure cylinders 60, 70, 80 and 90 permits.
- the position of the rollers 30 and 31 via the control cylinder 100, 110, 120 and 130 is set, the control cylinders 100 and 120 engage a vertical sub-element of the machine frame 21 and each connect a bearing housing 34 and 36 to the machine frame 21 movable.
- Both control cylinders 100 and 120 cooperate with other control cylinders 110 and 130 disposed on beams 26 and 27 to adjust the position of the first closed power system from the bearing housings 36 and 37, the tie rods 44, 45, 46 and 47 and the crossbars 40 and 41 and the second closed power system from the bearing housings 34 and 35, as well as the tie rods, not shown, and the trusses, which point in this view to the paper back.
- the force of the control cylinders 100, 110, 120 and 130 is derived via the machine frame 21 as an abutment.
- FIG. 2 the roller press 10 is shown in a side view, clearly recognizing the closed power system of the trusses 40 and 41, the connecting them to the Anpresszylindern 60 and 70 tie rods 44, 45, 46 and 47 and the bearing housings 36 and 37.
- the pressure cylinders 60 and 70 are fixedly connected to the frame members 24 and 25, no other force is exerted on the machine frame 21 by the pressure cylinders 60 and 70 than by the friction of the pistons 64 and 65 in the cylinders of the pressure cylinders 60 and 70 arise.
- the machine frame 21 is closed to the left and open to the right, with the control cylinders 110 and 130 (not visible here) engaging arms 26 (not visible) and 27 to control the position of the above closed system of forces.
- the machine frame 21 is connected by the beams 26 and 27 through a bridge 28 connecting them to the frame members 22 and 24.
- a bridge 28 connecting them to the frame members 22 and 24.
- the bridge 28 is dimensioned so wide that the rollers 30 and 31 can be removed together with the shafts 32 and 33 from the machine frame 21 without major work being required, such as the dismantling of a hydraulic system.
- FIG. 3 is a schematic view of a Anpresszylinders 60 shown having three working spaces 61, 62 and 63, which arise by the division of the Anpresszylinders 60 by the two pistons 64 and 65. If only the two outer working spaces 61 and 63 are used for pressing the two rollers 30 and 31, 61 and 63, the position of both pistons in the cylinder can vary in pressure medium connection of the working chambers, since the piston powerless with respect to the attachment of the cylinder on the machine frame 21 act. For both work spaces 61 and 63 transmit an equal and opposing force on the pressure cylinder 60, so that it always remains force neutral with respect to its own position.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Crushing And Grinding (AREA)
- Soil Working Implements (AREA)
- Road Paving Machines (AREA)
Description
Die Erfindung betrifft eine Rollenpresse zur Druckbehandlung oder zur Kompaktierung körnigen Guts aufweisend zwei jeweils über eine Welle in einem Maschinenrahmen drehbar gelagerte und gegenläufig angetriebene, durch einen Walzenspalt voneinander getrennte Loswalzen, wobei die Wellen der Loswalzen in im Maschinenrahmen beweglich angeordneten Lagergehäusen aufgenommen, und wobei jeweils zwei an einer Seite der Walzen angeordnete Lagergehäuse verschiedener Walzen über mindestens einen Anpresszylinder miteinander verbunden sind, der zwei Kolben aufweist, die in dem mindestens einen Anpresszylinder zwei äußere Arbeitsräume und einen mittleren Arbeitsraum ausbilden, und ein Verfahren zur Zentrierung von Losrollen in einer Rollenpresse der oben genannten Art.The invention relates to a roller press for pressure treatment or for compacting granular Guts comprising two each rotatably mounted on a shaft in a machine frame and driven in opposite directions, separated by a nip Loswalzen, the waves of the Loswalzen received in the machine frame movably arranged bearing housings, and wherein respectively two arranged on one side of the rollers bearing housings of different rollers are interconnected via at least one Anpresszylinder having two pistons forming in the at least one Anpresszylinder two outer working spaces and a central working space, and a method for centering of idler rollers in a roller press the above mentioned type.
Zur Zentrierung von Walzen in Rollenpressen zur Druckbehandlung oder zur Kompaktierung körnigen Guts werden die Walzen in der Regel durch groß dimensionierte Hydraulikantriebe in ihrer Sollposition gehalten, damit einerseits der Druck im Walzenspalt zwischen den Walzen aufrecht erhalten wird und andererseits wird durch die Zentrierung die Parallelität der Begrenzung des Walzenspaltes durch die Oberfläche der Walzen aufrecht erhalten. Bei dieser Zentrierung arbeiten die Hydraulik-antriebe mit hoher Kraft sowohl zur Aufrechterhaltung der Parallelität des Walzenspaltes und zur Aufrechterhaltung des Drucks im Walzenspalt. Hierzu wird im einfachsten Fall eine erste Walze als Festwalze unbeweglich in Lagern gelagert, die ihrerseits durch Lagergehäuse in einem Maschinenrahmen an Konsolen befestigt sind. Dem gegenüber ist eine zweite Walze als Loswalze in Lagern gelagert, die in zwischen zwei Konsolen des Maschinenrahmens beweglich angeordneten Lagergehäusen angeordnet sind. Die Hydraulikantriebe zur relativen Positionierung der Loswalze gegenüber der Festwalze und zur Aufrechterhaltung des Drucks im Walzenspalt üben hohe Kräfte auf den Maschinenrahmen als Widerlager aus, wozu es notwendig ist, den Maschinenrahmen entsprechend stabil auszulegen.For centering of rolls in roller presses for pressure treatment or for compacting granular Guts the rolls are usually held by large hydraulic drives in their desired position, so on the one hand the pressure in the nip between the rollers is maintained and on the other hand, the centering of the parallelism of the boundary of the nip maintained by the surface of the rollers. With this centering, the hydraulic drives operate with high force both to maintain the parallelism of the nip and to maintain the pressure in the nip. For this purpose, in the simplest case, a first roller as a fixed roller immobile stored in bearings, which in turn are secured by bearing housings in a machine frame to consoles. In contrast, a second roller is mounted as a Loswalze in camps, which are arranged in between two consoles of the machine frame movably arranged bearing housings. The hydraulic drives for relative positioning of the idler roller relative to the fixed roller and to maintain the pressure in the nip exert high forces on the machine frame as Abutment from what it is necessary to design the machine frame accordingly stable.
Bei Rollenpressen mit Walzen von zum Teil weit mehr als 50 t Gewicht ist eine entsprechend große Dimensionierung des Maschinenrahmens notwendig, so dass die Logistik des Maschinenrahmens und seine Handhabung bei einem notwendigen und turnusgemäßen Wechsel der Walzen aufwändig und nur mit entsprechend groß dimensionierten Kränen und Ausbauhilfen möglich ist.In roller presses with rollers of sometimes well over 50 t weight a correspondingly large dimensions of the machine frame is necessary, so that the logistics of the machine frame and its handling in a necessary and regular change of the rollers consuming and possible only with correspondingly large-sized cranes and removal aids is.
Um die Ausmaße der notwendigen Dimensionierung des Maschinen-rahmens zu verringern, wird in der
In der Druckschrift
Die erfindungsgemäße Aufgabe wird gelöst durch die Rollenpresse mit den Merkmalen des Hauptanspruches und durch das in dieser Rollenpresse angewandte, erfindungsgemäße Verfahren zur Zentrierung der Walzen mit den Schritten des Verfahrensanspruches. Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.The object of the invention is achieved by the roller press with the features of the main claim and by the applied in this roller press, inventive method for centering the rollers with the steps of the method claim. Advantageous embodiments of the invention are specified in the subclaims.
Die erfindungsgemäße Rollenpresse zur Druckbehandlung oder zur Kompaktierung körnigen Guts weist zwei jeweils über eine Welle in einem Maschinenrahmen drehbar gelagerte und gegenläufig angetriebene, durch einen Walzenspalt voneinander getrennte Loswalzen auf. Dabei ist vorgesehen, dass die Wellen der Loswalzen in im Maschinenrahmen beweglich angeordneten Lagergehäusen aufgenommen sind. Zwei jeweils auf einer Seite der Walzen angeordnete Lagergehäuse verschiedener Walzen sind über mindestens einen Anpresszylinder miteinander verbunden, der zwei Kolben aufweist, die in dem mindestens einen Anpresszylinder zwei äußere Arbeitsräume und einen mittleren Arbeitsraum ausbilden.The roller press according to the invention for pressure treatment or for compacting granular material has two each rotatably mounted on a shaft in a machine frame and driven in opposite directions, separated by a nip idler rolls. It is provided that the waves of the Loswalzen are accommodated in the machine frame movably arranged bearing housings. Two bearing housings of different rollers, each arranged on one side of the rollers, are connected to one another via at least one pressure cylinder, which has two pistons which form two outer working spaces and a middle working space in the at least one pressure cylinder.
Erfindungsgemäß wird vorgeschlagen, dass die äußeren Arbeitsräume des mindestens einen Anpresszylinders eine entgegengerichtete Kraftwirkung aufweisen und druckmittelschlüssig miteinander verbunden sind.According to the invention, it is proposed that the outer working spaces of the at least one pressing cylinder have an opposing force effect have and are connected to each other medium pressure.
Vorteilhaft an der erfindungsgemäßen Verbindung der Anpresszylinder mit entgegengesetzter Kraftrichtung und druckmittelschlüssiger Verbindung der Arbeitsräume ist, dass der Arbeitszylinder fest mit dem Maschinenrahmen verbunden werden kann. Bei der festen Verbindung des mindestens einen Arbeitszylinders mit dem Maschinenrahmen kann der mindestens eine Arbeitszylinder keine in Bezug auf die Walzen radial gerichtete Kraft auf den Maschinenrahmen ausüben, die über die Kraft hinausgeht, die durch die Reibung des Hydraulikkolbens im Arbeitszylinder entsteht. Denn durch die entgegengerichtete Kraft der verschiedenen Arbeitsräume und durch die Verbindung der Arbeitsräume untereinander wird jede Krafteinwirkung, die durch einen Arbeitsraum eines Anpresszylinders auf den Maschinenrahmen übertragen wird, von der Kraft des gegenüberliegenden Arbeitsraum des selben Anpresszylinders kompensiert. Dabei wird der Kraftschluss zur Kompensierung der Kräfte auf den Maschinenrahmen über das Druckmittel hergestellt. Der Maschinenrahmen nimmt jedoch in Bezug auf die Walzen axial gerichtete Kräfte auf, die beispielsweise durch eine Veränderung der rotatorischen Position oder durch axiale Schläge der Walzen entstehen.An advantage of the inventive compound of the pressure cylinder with opposite direction of force and pressure-medium connection of the working spaces that the cylinder can be firmly connected to the machine frame. In the fixed connection of the at least one working cylinder to the machine frame, the at least one working cylinder can exert no radial force with respect to the rollers on the machine frame, which goes beyond the force generated by the friction of the hydraulic piston in the working cylinder. Because of the opposing force of the different working spaces and the connection of the work spaces with each other any force that is transmitted through a working space of a Anpresszylinders on the machine frame, compensated by the force of the opposite working space of the same Anpresszylinders. In this case, the frictional connection for compensating the forces on the machine frame via the pressure medium is produced. However, the machine frame receives axially directed forces with respect to the rollers, such as those caused by a change in the rotational position or by axial impacts of the rollers.
Durch die feste Verbindung des Anpresszylinders mit dem Maschinenrahmen ist es möglich, den Anpresszylinder über feste Rohrleitungen mit großem Innendurchmesser mit den sie versorgenden Pumpen zu verbinden. Durch diese Anordnung ist es beim Walzenwechsel nicht notwendig, den Anpresszylinder auszubauen, vorübergehend zu befestigen oder von der Hydraulik zu trennen. Ebenso kann durch die mögliche Verwendung der Rohrleitungen mit großem Innendurchmesser der viskositätsbedingte Widerstand der Rohrleitungen gesenkt werden und bei Stößen im Walzenspalt durch größere Mahlgutpartikel oder durch unerwünschte Partikel, die einer Druckzerkleinerung nicht zugänglich sind, wie Metallstücke, werden die Stöße durch das Druckmittel im Hydrauliksystem mit weniger großem Druckaufbau in die größer dimensionierten Rohrleitungen übertragen.Due to the fixed connection of the Anpresszylinders with the machine frame, it is possible to connect the pressure cylinder via fixed pipes with a large inner diameter with the pumps supplying them. By this arrangement, it is not necessary when rolling change to expand the pressure cylinder, temporarily attach or disconnect from the hydraulic system. Likewise, can be reduced by the possible use of pipelines with a large inner diameter of the viscosity-related resistance of the pipes and collisions in the nip by larger Mahlgutpartikel or by unwanted particles that are inaccessible to crushing, such as pieces of metal, the shocks by the pressure medium in the hydraulic system with transfer less large pressure build-up into the larger sized pipes.
Die beiden Walzen sind trotz der sie miteinander verbindenden Anpresszylinder, die fest im Maschinenrahmen angeordnet sind, schwimmend im Maschinenrahmen gelagert. Die Anpresszylinder können somit die Breite des Walzenspaltes, jedoch nicht die Position des Walzenspaltes kontrollieren. Das erfindungsgemäße Zentrierverfahren eint somit die Vorteile verschiedener Rollenpressentypen, nämlich solche mit einer Festwalze und solche mit zwei Loswalzen.The two rollers are stored floating in the machine frame despite the connecting them together pressing cylinder, which are fixed in the machine frame. The pressure cylinders can thus control the width of the nip but not the position of the nip. The centering method according to the invention thus combines the advantages of different types of roller presses, namely those with a fixed roller and those with two loose rollers.
Erfindungsgemäß ist ferner vorgesehen, dass in einem Zylinder der Anpresszylinder zwei Kolben vorgesehen sind, die den Zylinder in drei Räume teilen. Jeder Kolben ist mit einer Zugstange verbunden, wobei jeweils eine Zugstange zur jeweils einen Seite des Zylinders herausgeführt ist. Die beiden äußeren Räume werden als Arbeitsräume verwendet. Dies bedeutet, dass bei Druckbeaufschlagung der Arbeitsräume beide herausgeführten Zugstangen durch den jeweiligen Kolben nach innen in den Zylinder gezogen werden. Der Raum, der zwischen den beiden Kolben ausgebildet ist, ist entweder mit Druckluft oder mit Inertgas gefüllt, wobei der Druck in dem mittleren Arbeitsraum zur Überwindung der Reibung der Kolben in dem Zylinder verwendet wird, aber es ist auch möglich, den Arbeitsraum zu evakuieren, damit die Kolben aneinander stoßen können, ohne einen entgegengesetzten Druck durch Kompression des Gases im mittleren Raum zu erzeugen. Im einfachsten Fall ist der mittlere Arbeitsraum durch ein Ventil einer selektiven Be- und Entlüftung zugänglich. Es ist denkbar, den mittleren Arbeitsraum befüllbar auszugestalten und ebenfalls mit Druckmittel zu beaufschlagen, beispielsweise, um die Walzen auseinander zu fahren. In diesem Fall ist der Hub der Kolben im Zylinder eingeschränkt, damit die Kolben nicht über die Position des Versorgungsventils des mittleren Arbeitsraumes fahren und so den mittleren Arbeitsraum kraftlos machen und die Versorgungsleitungen des mittleren und des äußeren Arbeitsraumes kurzschließen.According to the invention it is further provided that in a cylinder of the pressure cylinder, two pistons are provided which divide the cylinder into three spaces. Each piston is connected to a pull rod, wherein a pull rod is led out to one side of the cylinder in each case. The two outer rooms are used as work spaces. This means that when pressure is applied to the work spaces, both pull-out pull rods are pulled inward by the respective piston into the cylinder. The space formed between the two pistons is filled either with compressed air or with inert gas, the pressure in the middle working space being used to overcome the friction of the pistons in the cylinder, but it is also possible to evacuate the working space, so that the pistons can abut one another without creating an opposite pressure by compressing the gas in the middle space. In the simplest case, the middle working space is accessible through a valve of selective ventilation. It is conceivable to make the middle working space fillable and also to apply pressure medium, for example, to move the rollers apart. In this case, the stroke of the pistons in the cylinder is restricted, so that the pistons do not move beyond the position of the supply valve of the central working space, thus making the middle working space powerless and short-circuiting the supply lines of the middle and the outer working space.
Durch die Verbindung der Arbeitsräume untereinander wird eine Kraftkompensation erzeugt und durch diese Verbindung kann auch eine einzelne Pumpe zur Druckerzeugung verwendet werden, die den Druck für alle Arbeitsräume gleichzeitig erzeugt. So ist es nicht nur möglich, die Arbeitsräume eines Zylinders miteinander zu verbinden, sondern es ist auch möglich, alle Arbeitsräume der Anpresszylinder miteinander zu verbinden.Through the connection of the work spaces with each other, a force compensation is generated and through this connection can also be a single Pump used to generate pressure, which generates the pressure for all work spaces simultaneously. So it is not only possible to connect the working spaces of a cylinder with each other, but it is also possible to connect all working spaces of the pressure cylinder together.
Um eine gegebenenfalls vorhandene Abweichung der Parallelität der Seiten des Walzenspaltes auszugleichen, die dadurch entsteht, dass der Anpressdruck auf einer Seite der Walzen größer ist, als auf der anderen Seite, beispielsweise durch höhere Reibung der Lagergehäuse auf einer Seite des Maschinenrahmens, ist es möglich, eine Pumpe zwischen das verbundene System aller Arbeitsräume auf einer Seite der Rollenpresse mit dem System aller verbundenen Arbeitsräume auf der gegenüberliegenden Seite der Rollenpresse zu schalten. Diese Pumpe balanciert in diesem Fall die Kraft zu beiden Seiten des Walzenspaltes.In order to compensate for a possibly existing deviation of the parallelism of the sides of the nip, which arises because the contact pressure on one side of the rollers is greater than on the other side, for example due to higher friction of the bearing housings on one side of the machine frame, it is possible to To switch a pump between the connected system of all working spaces on one side of the roller press with the system of all connected working spaces on the opposite side of the roller press. This pump balances the force on both sides of the nip in this case.
Durch die Art der Verbindung der Walzen untereinander und die Kraftkompensation der Arbeitsräume je eines Anpresszylinders ist die Position der Walzen in dem Maschinenrahmen statisch unbestimmt, denn die Walzen können die lineare und auch die rotatorische Position verändern, soweit es der mögliche Hub in den Anpresszylindern erlaubt. Deshalb ist es notwendig, zusätzlich zu den groß dimensionierten Anpresszylindern, Steuerzylinder zu verwenden, welche die Position der Walzen bestimmen.Due to the nature of the connection of the rollers with each other and the force compensation of the working spaces of each Anpresszylinders the position of the rollers in the machine frame is statically indefinite, because the rollers can change the linear and the rotational position, as far as the possible stroke in the Anpresszylindern allowed. Therefore, it is necessary to use, in addition to the large-sized pressure cylinders, control cylinders which determine the position of the rollers.
Hierzu ist erfindungsgemäß vorgesehen, die Lagergehäuse der Walzen über Steuerzylinder mit dem Maschinenrahmen beweglich zu verbinden. Der Maschinenrahmen muss dabei als Widerlager für die Steuerzylinder nur die Kraft aufnehmen, die zur Positionierung der Walzen notwendig ist, jedoch nicht die Kraft, die für den Erhalt des Drucks im Walzenspalt notwendig ist.For this purpose, the invention provides for movably connecting the bearing housings of the rollers via control cylinders to the machine frame. The machine frame must absorb as an abutment for the control cylinder only the force that is necessary for the positioning of the rollers, but not the force that is necessary to maintain the pressure in the nip.
In Ausgestaltung der Erfindung ist vorgesehen, dass vier Steuerzylinder mit dem Maschinenrahmen verbunden sind, wobei jeweils ein Steuerzylinder mit jeweils einem Lagergehäuse der beiden Walzen verbunden ist. Jeweils paarweise kontrollieren die Steuerzylinder die Position der Walzen. Überkreuz gepaart bestimmen die Walzenpaare die rotatorische Position der Walzen und parallel gepaart bestimmen die Steuerzylinder die lineare Position der Walzen im Maschinenrahmen.In an embodiment of the invention, it is provided that four control cylinders are connected to the machine frame, wherein in each case a control cylinder is connected to a respective bearing housing of the two rollers. In pairs, the control cylinders control the position of the rollers. Paired in pairs, the roller pairs determine the rotational position of the rollers and, paired in parallel, the control cylinders determine the linear position of the rollers in the machine frame.
Die Arbeitsräume der Steuerzylinder sind über eine Pumpe, die im Vier-Quadranten-Betrieb arbeitet, miteinander verbunden. Somit kann diese Pumpe die lineare und die rotatorische Position beeinflussen, in dem das im Steuersystem vorhandene Druckmittel von einem Steuerzylinderpaar in das andere Paar gepumpt wird.The working spaces of the control cylinders are connected to each other via a pump operating in four-quadrant operation. Thus, this pump can affect the linear and the rotational position, in which the pressure medium present in the control system is pumped from one pair of control cylinders into the other pair.
Ebenso ist es möglich, jeden Steuerzylinder so auszulegen, dass zu beiden Seiten des Kolbens ein Arbeitsraum vorhanden ist, so dass die Menge des im Steuersystem vorhandenen Öls bei jeder Position beider Walzen gleich ist. Zur Beeinflussung der Position des Walzenspaltes können die acht Arbeitsräume der vier Steuerzylinder entsprechend verschaltet werden. Der Fachmann ist hier frei, die geeignete Ansteuerung der Steuerzylinder zu bestimmen.It is also possible to design each control cylinder so that a working space is provided on both sides of the piston, so that the amount of oil present in the control system is the same at each position of both rollers. To influence the position of the nip, the eight working spaces of the four control cylinders can be interconnected accordingly. The skilled person is here free to determine the appropriate control of the control cylinder.
Wenn die Position des Walzenspaltes durch das Steuersystem bestimmt ist, kann die Kraft der Steuerzylinder als zusätzliche Anpresskraft verwendet werden, die allerdings über den Maschinenrahmen als Widerlager abgeleitet werden muss im Gegensatz zur Anpresskraft durch die Anpresszylinder mit mindestens zwei Arbeitsräumen und deren druckmittelschlüssiger Verbindung.If the position of the nip is determined by the control system, the force of the control cylinder can be used as an additional contact force, however, must be derived via the machine frame as an abutment in contrast to the contact pressure by the Anpresszylinder with at least two working spaces and their pressure medium connection.
In Ausgestaltung der Erfindung ist vorgesehen, dass ein Maschinenrahmen zwischen zwei Trägern jeweils zwei Lagergehäuse in einer Richtung beweglich aufnimmt. Die Lagergehäuse beinhalten dabei die Lager für die Wellen und werden auf je einer in Bezug auf die bewegliche Richtung im Maschinenrahmen äußeren Seite von einer Traverse umgriffen, wobei die Traverse mit jeweils zwei Anpresszylindern gelenkig verbunden ist, die jeweils mindestens zwei druckmittelschlüssig verbundene Arbeitsräume mit entgegengesetzter Kraftrichtung aufweisen. Die Anpresszylinder ziehen die Traversen aneinander und ziehen die Lagergehäuse mit, weil die Traversen die Lagergehäuse umgreifen.In an embodiment of the invention it is provided that a machine frame between two carriers in each case receives two bearing housings in one direction movable. The bearing housings include the bearing for the shafts and are each embraced by a traverse with respect to the movable direction in the machine frame outer side, wherein the traverse is pivotally connected to two Anzylinders, each having at least two pressure medium-connected Have workrooms with opposite direction of force. The Anpresszylinder pull the trusses together and pull the bearing housing, because the trusses embrace the bearing housings.
Zum Wechsel der Walzen ist es somit lediglich notwendig, den Maschinenrahmen zu öffnen, die Gelenke von den Traversen und/oder den Anpresszylindern zu lösen und die Walzen mitsamt den Lagergehäusen aus dem Rahmen zu schieben. Da die Anpresszylinder fest mit dem Rahmen verbunden sind, brauchen sie nicht gesondert gelöst oder aufgehängt werden, was einen schnellen Walzenwechsel möglich macht.To change the rollers, it is therefore only necessary to open the machine frame, to release the joints of the trusses and / or the Anpresszylindern and push the rollers together with the bearing housings from the frame. Since the Anpresszylinder are firmly connected to the frame, they need not be separately solved or suspended, which makes a quick roll change possible.
Die Erfindung wird anhand der folgenden Figuren näher erläutert.The invention will be explained in more detail with reference to the following figures.
- Fig. 1Fig. 1
- eine perspektivische Ansicht einer erfindungsgemäßen Rollenpressea perspective view of a roller press according to the invention
- Fig. 2Fig. 2
- eine Seitenansicht auf die erfindungsgemäße Rollenpressea side view of the roller press according to the invention
- Fig. 3Fig. 3
- eine schematische Darstellung eines Anpresszylinders gemäß der Erfindunga schematic representation of a Anpresszylinders according to the invention
In
Die Walzen 30 und 31 sind über die Wellen 32 und 33 und die Lagergehäuse 34, 35, 36 und 37 schwimmend im Maschinenrahmen 21 angeordnet. Das bedeutet, die Walzen 30 und 31 können entlang der Rahmenelemente 22, 23, 24 und 25 hin- und her gleiten oder sich in ihnen rotatorisch verdrehen, soweit es der Hub in den Anpresszylindern 60, 70, 80 und 90 erlaubt. Dabei wird die Position der Walzen 30 und 31 über die Steuerzylinder 100, 110, 120 und 130 eingestellt, wobei die Steuerzylinder 100 und 120 an ein vertikales Teilelement des Maschinenrahmens 21 angreifen und jeweils ein Lagergehäuse 34 und 36 mit dem Maschinenrahmen 21 beweglich verbinden. Beide Steuerzylinder 100 und 120 arbeiten mit weiteren Steuerzylindern 110 und 130, die an Auslegern 26 und 27 angeordnet sind, zusammen, um die Position des ersten geschlossenen Kräftesystems aus den Lagergehäusen 36 und 37, den Zugstangen 44, 45, 46 und 47 sowie den Traversen 40 und 41 und des zweiten geschlossenen Kräftesystems aus den Lagergehäusen 34 und 35, sowie den nicht dargestellten Zugstangen und den Traversen, die in dieser Ansicht zur Papierrückseite weisen, zu kontrollieren. Im Gegensatz zur Kraft der Anpresszylinder 60, 70, 80 und 90 wird die Kraft der Steuerzylinder 100, 110, 120 und 130 über den Maschinenrahmen 21 als Widerlager abgeleitet.The rollers 30 and 31 are arranged on the
In
Der Maschinenrahmen 21 ist nach links geschlossen und nach rechts offen ausgeführt, wobei die Steuerzylinder 110 und 130 (hier nicht sichtbar) an Auslegern 26 (nicht sichtbar) und 27 angreifen, um die Position des oben genannten, geschlossenen Kräftesystems zu kontrollieren. Der Maschinenrahmen 21 ist durch die Ausleger 26 und 27 durch eine diese mit den Rahmenelementen 22 und 24 verbindende Brücke 28 verbunden. Durch diese Gestaltung des Maschinenrahmens 21 ist es möglich, die leichten Steuerzylinder 110 und 130 zu entfernen, die Traversen 40 und 41 von den Zugstangen 45, 47 zu lösen, so, dass die Walzen 30 und 31 mitsamt der Lagergehäuse 34, 35, 36, 37 zwischen den Rahmenelementen 22 und 24 hervorgezogen werden können, wobei auf der Gegenseite eine hierzu korrespondiere Demontage notwendig ist. Dazu ist die Brücke 28 so breit dimensioniert, dass die Walzen 30 und 31 mitsamt den Wellen 32 und 33 aus dem Maschinenrahmen 21 entfernt werden können, ohne dass größere Arbeiten erforderlich sind, wie beispielsweise die Zerlegung einer Hydraulik.The
In
Claims (8)
- Roll press (10) for the pressure treatment or compaction of granular material, comprising- two mobile rolls (30, 31) each rotatably mounted in a machine frame (21) via a shaft (32, 33), driven in opposite directions and separated from each other by a roll gap,- the shafts (32, 33) of the mobile rolls (30, 31) being accommodated in bearing housings (34, 35, 36, 37) that are arranged such that they can move in the machine frame (21), and- in each case two bearing housings (34, 35, 36, 37) arranged on one side of the rolls (30, 31) and belonging to different roles (30, 31) being connected to each other by at least one pressure cylinder (60, 70, 80, 90), which has two pistons (64, 65) which form two outer working chambers (61, 63) and a central working chamber (62) in the at least one pressure cylinder (60, 70, 80, 90),characterized in that- the outer working chambers (61, 63) of the at least one pressure cylinder (60, 70, 80, 90) have an opposite force action and are connected to each other by a pressure medium, and in that- the central working chamber (62) is designed to be gas-filled, evacuated or selectively aerated and vented.
- Roll press according to Claim 1,
characterized in that
the at least one pressure cylinder (60, 70, 80, 90) is fixedly connected to the machine frame (21). - Roll press according to either of Claims 1 and 2,
characterized in that
the at least one pressure cylinder (60, 70, 80, 90) is connected in an articulated manner to cross-members (40, 41, 42, 43) which each engage around a bearing housing (34, 35, 36, 37). - Roll press according to one of Claims 1 to 3,
characterized in that
the bearing housings (34, 35, 36, 37) are connected to the machine frame (21) via control cylinders (100, 110, 120, 130) such that they can move. - Roll press according to Claim 4,
characterized in that
the working chambers of the control cylinders (100, 110, 120, 130) are connected to one another, the control cylinders (100, 110, 120, 130) preferably being connected to one another via a control device which works in four-quadrant operation. - Method for centring two mobile rolls (30, 31) in a roll press (10) for the pressure treatment or compaction of granular material according to Claim 1.
- Method according to Claim 6,
characterized by
the positioning of the roll gap by control cylinders (100, 110, 120, 130) which each connect a bearing housing (34, 35, 36, 37) movably to the machine frame (21). - Method according to Claim 7,
characterized by
the connection of the control cylinders (100, 110, 120, 130) by a control device which works in four-quadrant operation.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007059072A DE102007059072A1 (en) | 2007-12-07 | 2007-12-07 | Roller press with two idlers |
PCT/EP2008/066550 WO2009071514A1 (en) | 2007-12-07 | 2008-12-01 | Roll press comprising two mobile rolls |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2214898A1 EP2214898A1 (en) | 2010-08-11 |
EP2214898B1 true EP2214898B1 (en) | 2016-03-16 |
Family
ID=40336401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08856087.5A Not-in-force EP2214898B1 (en) | 2007-12-07 | 2008-12-01 | Roll press comprising two mobile rolls and method for centering two mobile rolls |
Country Status (9)
Country | Link |
---|---|
US (1) | US8795563B2 (en) |
EP (1) | EP2214898B1 (en) |
AU (1) | AU2008333277B2 (en) |
CL (1) | CL2008003644A1 (en) |
DE (1) | DE102007059072A1 (en) |
DK (1) | DK2214898T3 (en) |
PE (1) | PE20091600A1 (en) |
RU (1) | RU2490132C2 (en) |
WO (1) | WO2009071514A1 (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101596473B (en) * | 2009-06-16 | 2011-07-20 | 中钢集团安徽天源科技股份有限公司 | High-pressure roller mill for metal ore |
DE102010015374B4 (en) * | 2010-04-20 | 2015-03-12 | Khd Humboldt Wedag Gmbh | Machine frame for a roller press |
DE102010024231B4 (en) | 2010-06-18 | 2015-02-12 | Khd Humboldt Wedag Gmbh | Roller press with moment scale |
CN102407178A (en) * | 2011-12-15 | 2012-04-11 | 成都利君科技有限责任公司 | Oil-cylinder applied force load-balancing buffer mechanism |
US8708265B2 (en) | 2012-04-20 | 2014-04-29 | Metso Minerals Industries, Inc. | Roller crusher with balancing cylinders |
US8695907B2 (en) | 2012-04-20 | 2014-04-15 | Metso Minerals Industries, Inc. | Roller crusher with cheek plates |
CN102671735B (en) * | 2012-05-08 | 2014-03-05 | 成都光华科技发展有限公司 | Roller press hydraulic system and automatic pressure stabilizing device thereof |
DE102012112102B3 (en) * | 2012-12-11 | 2013-12-24 | Maschinenfabrik Köppern GmbH & Co KG | roll press |
WO2014189919A1 (en) * | 2013-05-20 | 2014-11-27 | Flsmidth A/S | Roller press and frame therefore |
DE102013010220A1 (en) | 2013-06-18 | 2014-12-18 | Khd Humboldt Wedag Gmbh | High pressure roller press with pendulum suspension |
DE102013106458A1 (en) * | 2013-06-20 | 2014-12-24 | Thyssenkrupp Industrial Solutions Ag | Roller mill for crushing brittle regrind |
CN104044946B (en) * | 2014-05-27 | 2016-12-07 | 苏州巨康缝制机器人有限公司 | A kind of supplied materials flattens mechanism |
US10391501B2 (en) | 2014-09-25 | 2019-08-27 | Flsmidth A/S | Movable attachment for roller presses and a method for removing certain parts thereof |
DE102014015247B4 (en) * | 2014-10-16 | 2017-06-08 | Khd Humboldt Wedag Gmbh | Roller press with widened frame head |
DE102015209280A1 (en) * | 2015-05-21 | 2016-11-24 | Takraf Gmbh | Machine frame for a roll crusher |
US10391675B2 (en) * | 2016-04-22 | 2019-08-27 | Millco Product Solutions Llc | Convertible recycling apparatus for synthetic resin materials |
DE102019119070B4 (en) * | 2019-07-15 | 2023-05-25 | Takraf Gmbh | MACHINE FRAME FOR ROLLER PRESS |
DE102020110468A1 (en) | 2020-04-17 | 2021-10-21 | Khd Humboldt Wedag Gmbh | Method for regulating the damping of the movement of a press roll of a high pressure roller press and corresponding high pressure roller press |
CN112619779B (en) * | 2020-12-30 | 2022-05-27 | 南宁市广厨厨房设备制造有限公司 | Crushing equipment for kitchen garbage recycling system and system thereof |
CN113117811B (en) * | 2021-05-04 | 2023-02-07 | 昆明理工大学 | Multi-stage crushing and refining device for mineral processing |
CN113858390B (en) * | 2021-10-09 | 2023-05-12 | 临沂银凤机械有限公司 | Rolling die forming device for processing special ceramic products |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1459813A2 (en) * | 2003-03-21 | 2004-09-22 | Sundwig GmbH | Adjusting cylinder for rolling mills for rolling of steel or non-ferrous metall |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1100432B (en) * | 1955-12-13 | 1961-02-23 | Buehler Ag Geb | Hydraulic pressing device for rolling mills |
US3786664A (en) * | 1972-03-20 | 1974-01-22 | Steel Corp | Rolling mill module |
US4154408A (en) * | 1977-12-19 | 1979-05-15 | N. Hunt Moore & Associates, Inc. | Flaking mill adjustment and shock absorbing means |
DE3015321A1 (en) * | 1980-04-22 | 1981-10-29 | Sundwiger Eisenhütte Maschinenfabrik Grah & Co, 5870 Hemer | Roll-press working roller adjusting unit - has cylinder-piston block, common to both rollers, at roller ends |
GB2252517A (en) * | 1991-02-07 | 1992-08-12 | Smidth & Co As F L | Roller press with torque counter balancing |
DE102005006090A1 (en) * | 2005-02-10 | 2006-08-24 | Khd Humboldt Wedag Gmbh | Two-roll machine especially for comminution |
DE102006004282A1 (en) * | 2006-01-31 | 2007-08-02 | Khd Humboldt Wedag Gmbh | Roller press, to crush and compact clinker and the like for a material bed, has paired rollers with bearing housings on brackets to move on upper/lower sliding paths |
RU2306226C1 (en) * | 2006-04-13 | 2007-09-20 | Государственное образовательное учреждение высшего профессионального образования "Уральский государственный технический университет - УПИ" | Roll type press for briquetting loose materials |
-
2007
- 2007-12-07 DE DE102007059072A patent/DE102007059072A1/en not_active Withdrawn
-
2008
- 2008-11-28 PE PE2008001992A patent/PE20091600A1/en not_active Application Discontinuation
- 2008-12-01 AU AU2008333277A patent/AU2008333277B2/en not_active Ceased
- 2008-12-01 US US12/745,846 patent/US8795563B2/en active Active
- 2008-12-01 WO PCT/EP2008/066550 patent/WO2009071514A1/en active Application Filing
- 2008-12-01 RU RU2010108977/02A patent/RU2490132C2/en not_active IP Right Cessation
- 2008-12-01 DK DK08856087.5T patent/DK2214898T3/en active
- 2008-12-01 EP EP08856087.5A patent/EP2214898B1/en not_active Not-in-force
- 2008-12-05 CL CL2008003644A patent/CL2008003644A1/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1459813A2 (en) * | 2003-03-21 | 2004-09-22 | Sundwig GmbH | Adjusting cylinder for rolling mills for rolling of steel or non-ferrous metall |
Also Published As
Publication number | Publication date |
---|---|
RU2010108977A (en) | 2012-01-20 |
WO2009071514A1 (en) | 2009-06-11 |
DE102007059072A1 (en) | 2009-06-10 |
EP2214898A1 (en) | 2010-08-11 |
AU2008333277A1 (en) | 2009-06-11 |
AU2008333277B2 (en) | 2013-05-09 |
PE20091600A1 (en) | 2009-10-21 |
US20100310702A1 (en) | 2010-12-09 |
DK2214898T3 (en) | 2016-07-04 |
RU2490132C2 (en) | 2013-08-20 |
CL2008003644A1 (en) | 2009-05-08 |
US8795563B2 (en) | 2014-08-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2214898B1 (en) | Roll press comprising two mobile rolls and method for centering two mobile rolls | |
EP0539787B1 (en) | Radial press with two radially and mutually movable press yokes | |
EP1848537B1 (en) | Twin-roll machine, in particular for material bed milling | |
EP2582457B1 (en) | Roller press with moment scale | |
EP2560810B1 (en) | Machine frame for a roller press | |
DE2919105A1 (en) | High productivity cold rolling mill - uses relatively small work rolls each associated with respective set of eight intermediate and back-up rolls | |
DE2406326A1 (en) | DEVICE FOR PLASTIC DEFORMING OF MATERIAL | |
DE102011107786A1 (en) | Rolling mill, rolling stand and method for changing rolling stands in a rolling mill | |
DE3212070A1 (en) | ROLLING MILL WITH A DEVICE FOR COMPLIANCE WITH THE LEVELNESS | |
EP0918947B1 (en) | Method and device for correcting the bending of a shaft, an axle or another carrier | |
DE1602196A1 (en) | Hydromechanical thickness control system for a rolling mill and / or a similar device | |
DE60203128T2 (en) | UNIVERSAL ROLLING RACK WITH ROLLERS | |
EP1687104B1 (en) | Adjusting roll in rolling frames, among others vertical upset forging frames | |
WO2006099910A1 (en) | Roller press | |
AT392661B (en) | PRESS ROLLER WHICH THE BEND IS ADJUSTABLE | |
DE10116988B4 (en) | rolling mill | |
EP3347131B1 (en) | Method and device for dismounting rollers of a roller press | |
EP0943377A1 (en) | Roll for a rolling stand | |
DE102005002112B4 (en) | Kalibrierkalander | |
WO2009071513A1 (en) | Roll press with symmetrical roll centring | |
DE102010011270A1 (en) | Roll stand for rolling metallic product, has two working rolls which are arranged vertically over each other, where roll gap is defined between working rolls | |
EP1465742B1 (en) | Cluster mill, in particular a six-high cluster mill, comprising an axial displacement and holding device for displaceably mounted intermediate rolls and/or working rolls | |
DE1079930B (en) | Hydraulic pressure compensation device for work machines | |
DE19841471B4 (en) | Device for punching flat material | |
DE8815224U1 (en) | Roller device |
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: 20100511 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA MK RS |
|
DAX | Request for extension of the european patent (deleted) | ||
17Q | First examination report despatched |
Effective date: 20150209 |
|
GRAJ | Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted |
Free format text: ORIGINAL CODE: EPIDOSDIGR1 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
INTG | Intention to grant announced |
Effective date: 20150909 |
|
INTC | Intention to grant announced (deleted) | ||
INTG | Intention to grant announced |
Effective date: 20150924 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: REF Ref document number: 780828 Country of ref document: AT Kind code of ref document: T Effective date: 20160415 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502008013948 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: DK Ref legal event code: T3 Effective date: 20160624 |
|
REG | Reference to a national code |
Ref country code: SE Ref legal event code: TRGR |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20160316 |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG4D |
|
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: 20160617 Ref country code: HR 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: 20160316 Ref country code: NO 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: 20160616 |
|
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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160316 Ref country code: LV 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: 20160316 Ref country code: LT 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: 20160316 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IS 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: 20160716 Ref country code: EE 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: 20160316 Ref country code: PL 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: 20160316 |
|
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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160316 Ref country code: PT 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: 20160718 Ref country code: SK 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: 20160316 Ref country code: RO 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: 20160316 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 502008013948 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 9 |
|
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 |
Effective date: 20161219 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BG 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: 20160616 |
|
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: 20161231 Ref country code: SI 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: 20160316 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 502008013948 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20161201 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC 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: 20160316 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: MM4A |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20161231 Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20161201 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20161231 |
|
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: 20161201 Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20170701 Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20161201 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 10 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FI Payment date: 20171218 Year of fee payment: 10 Ref country code: DK Payment date: 20171215 Year of fee payment: 10 Ref country code: FR Payment date: 20171221 Year of fee payment: 10 Ref country code: TR Payment date: 20171130 Year of fee payment: 10 Ref country code: CZ Payment date: 20171127 Year of fee payment: 10 |
|
REG | Reference to a national code |
Ref country code: BE Ref legal event code: MM Effective date: 20161231 |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: MM01 Ref document number: 780828 Country of ref document: AT Kind code of ref document: T Effective date: 20161201 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 20171219 Year of fee payment: 10 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY 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: 20160316 Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20161201 Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO Effective date: 20081201 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20171220 Year of fee payment: 10 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MT 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: 20160316 |
|
REG | Reference to a national code |
Ref country code: DK Ref legal event code: EBP Effective date: 20181231 |
|
REG | Reference to a national code |
Ref country code: SE Ref legal event code: EUG |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CZ Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20181201 Ref country code: FI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20181201 Ref country code: SE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20181202 |
|
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: 20181231 Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20181201 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DK Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20181231 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20181201 |