EP1464741B1 - Roller system with double pressure means, and device for fibre control in a textile machine comprising such a roller system with double pressure means - Google Patents

Roller system with double pressure means, and device for fibre control in a textile machine comprising such a roller system with double pressure means Download PDF

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Publication number
EP1464741B1
EP1464741B1 EP04101126A EP04101126A EP1464741B1 EP 1464741 B1 EP1464741 B1 EP 1464741B1 EP 04101126 A EP04101126 A EP 04101126A EP 04101126 A EP04101126 A EP 04101126A EP 1464741 B1 EP1464741 B1 EP 1464741B1
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EP
European Patent Office
Prior art keywords
pressure cylinder
double
pressure
cylinder assembly
housing element
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EP04101126A
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German (de)
French (fr)
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EP1464741A3 (en
EP1464741A2 (en
Inventor
Rudolf Dipl.-Ing. Möller
Dirk Dipl.-Ing. Kröger
Salih Dipl.-Ing. Agça
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Aventics GmbH
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Rexroth Mecman GmbH
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/46—Loading arrangements
    • D01H5/52—Loading arrangements using fluid pressure
    • D01H5/525—Loading arrangements using fluid pressure for top roller arms

Definitions

  • the present invention relates to a double-pressure cylinder arrangement, consisting of a first pressure medium cylinder, which is arranged by means of a support rod axially parallel spaced from a second pressure medium cylinder, wherein the support rod is on the cylinder bottom side with two pressure medium cylinders in combination. Furthermore, the Invention also a loading device for a drafting of a textile machine, which comprises such a double-pressure cylinder arrangement.
  • a double-pressure cylinder arrangement of the kind of interest here is preferably used in textile machine technology.
  • the double-pressure cylinder arrangement is used in a loading device.
  • a drafting system consists essentially of a series arrangement of several upper / lower roller pairs, wherein the respective upper rollers are acted upon by the double-pressure cylinder arrangement to press these against the lower roller. Accordingly, the top rollers are usually floating. Between each upper / lower roller pair, fiber material is guided endlessly, which is stretched in total by a series connection of several such drafting systems, so that the fiber material undergoes a permanent elongation. For this purpose, the individual drafting units have different speeds.
  • the loading device is equipped with corresponding double-pressure cylinder arrangements.
  • the loading device has a load arm on which the upper rollers of the drafting system are mounted.
  • the total of three top rollers are on the corresponding lower rollers.
  • the upper rollers are rotatably mounted at both ends and are urged by the loading device against the corresponding lower rollers to produce a permanent friction flow with the continuous fiber material, so that it can be stretched when passing through the distance.
  • the distances between the top rollers to each other are designed to be adjustable accordingly, because depending on the fiber material to be stretched different distances are required.
  • the pressure force generated by the loading device on the upper roller is controlled by a pressure which is supplied in the form of compressed air to the loading device via corresponding pressure medium lines.
  • the loading arm is also pivotally mounted at a pivot point so that the loads can be opened, whereby the drafting system in the area between the top rollers and the bottom rollers are accessible to insert new fiber material or eliminate interference.
  • the double-pressure cylinder arrangement of the loading device can be acted upon with compressed air on the side of the piston facing away from the piston rod, so that the pressure force generated thereby is transmitted via the two axially parallel piston rods to both end regions of a top roller.
  • Each top roller is assigned its own double-pressure cylinder arrangement.
  • the known double-pressure cylinder arrangement is formed from two identical standard cylinders, which are screwed on their cylinder bottoms at the end to a support rod to produce the desired parallel spaced compressive force for the associated top roller.
  • the support rod consists of a bent sheet metal part, which is quite expensive to manufacture.
  • the available for the purpose of interest purpose standard cylinder are also quite long-lasting, so that the entire double-pressure cylinder arrangement protrudes disturbing at the drafting. Due to this bulky construction of the pivotable load arm is also cumbersome to handle. In addition, there is a risk of line breaks because of the externally exposed electrical and pneumatic connection lines to the standard cylinders. In addition, the items of the known double-pressure cylinder arrangement are quite expensive to assemble.
  • the connecting lines are accommodated within a hollow carrier bar.
  • the support rod is part of a U-shaped support structure for the two pressure medium cylinder, which are respectively screwed laterally inwardly on the legs of the U-shaped support structure.
  • the U-shaped support structure is a bent sheet metal part, the production of which correspondingly complex punching and bending steps are required.
  • the invention includes the technical teaching that a substantially U-shaped housing element is provided for a double-pressure cylinder arrangement, the two leg sections each form a cylinder housing for the pressure cylinder, wherein in a carrier bar forming hollow intermediate portion diverse connecting lines for driving the two pressure cylinder are integrated ,
  • the advantage of the solution according to the invention is, in particular, that the number of individual components is minimal as a result of functional integration of different housing components.
  • the size of the double-pressure cylinder arrangement can be minimized overall.
  • the placement of the connecting lines in the carrier rod forming intermediate portion reliably prevents a risk of demolition.
  • function-integrated solution requires fewer sealing surfaces of adjacent components, which can be the cause of disturbances over the life, which ensures a reliable over the life of the known double-pressure cylinder arrangement more reliable function.
  • the double-pressure cylinder arrangement may further comprise means for releasably locking on a support structure - for example, a loading device of a drafting system have, which are integrated at least in the region of the one leg portion of the housing member adjacent to the pressure medium cylinder.
  • a loading device of a drafting system have, which are integrated at least in the region of the one leg portion of the housing member adjacent to the pressure medium cylinder.
  • connection means are provided for the fluidic and / or electrical supply of the two pressure medium cylinders, which are integrated at least in the region of the one leg section of the housing element adjacent to the pressure medium cylinder.
  • that limb portion which lies in the region of the pivot bearing, is suitable for this purpose.
  • the connection means preferably emerge from the housing element on the underside of the leg section. This can be further connected to further pressure medium lines for controlling the two pressure medium cylinder or electrical lines for connection to sensor elements or the like in a simple manner.
  • connection means are provided together with means for releasably locking the double-pressure cylinder arrangement, then it makes sense if the connection means for the fluidic and / or electrical supply of the pressure cylinder and the means for releasably locking on a support structure are each assigned exclusively to a leg section of the housing element , Hereby, a space-saving and uniform arrangement of these components within the U-shaped housing element is achieved.
  • connection means for fluidic and / or electrical supply of the pressure cylinder on the one hand and the Means for releasably locking on a support structure on the other hand are housed in a respectively outwardly located region of the leg portions adjacent to the respective inner pressure medium cylinders.
  • the total height does not increase, so that integration of said additional components does not significantly affect the compactness of the double-pressure cylinder arrangement.
  • the connecting lines integrated in the intermediate section of the housing element can comprise pressure medium lines for controlling both pressure medium cylinders and electrical signal lines for position sensors which are assigned to each pressure medium cylinder and, thus, adjacent to one another in the intermediate section of the housing element, which thus is a kind of cable channel forms, are housed.
  • these are advantageously accessible via a cover strip, which runs along the top of the intermediate portion and is releasably secured to the housing member with a clip connection.
  • This clip connection can be secured with additional securing elements such as screws or the like.
  • the housing element together with the cover strip can be produced in a particularly advantageous manner from a plastic by injection molding. It has been shown that a production of plastic with appropriate static optimization of the housing element can be displayed, which ensures easy production.
  • each pressure cylinder is closed with a penetrated by the piston rod cylinder cover, wherein the Gap between the cylinder cover and the housing member is used for screwing a screw to keep the cylinder cover to the housing element reliably.
  • this simple solution offers, since the pressure medium cylinder are only single-acting, so that tightness problems in the area of the cylinder cover can not occur.
  • a pivoting damping gas spring which serves as a non-return against unintentional pivoting back of the loading arm.
  • the gas spring is so far attached between the double-pressure cylinder arrangement on the one hand and the support structure on the other.
  • a plurality of recesses or the like can be provided at the intermediate portion of the double-pressure cylinder arrangement, which are used for clip attachment of a suction plate of the drafting system. Relatively expensive to be mounted screw elements can be omitted so far at this point.
  • a double-pressure cylinder arrangement according to Fig. 1 has a substantially U-shaped housing member 1, the first leg portion 2 forms a cylinder housing for a pressure medium cylinder 3, whereas a second, opposite leg portion 4 forms a cylinder housing for a further pressure medium cylinder 5. Furthermore, a support rod 6 is provided, which connects the first pressure medium cylinder 3 with the second pressure medium cylinder 5 on the cylinder bottom side. This results in an axially parallel spaced arrangement of both pressure medium cylinder 3 and 5 to each other.
  • the support bar 6 is formed by a hollow intermediate section 7 of the common U-shaped housing element 1.
  • the U-shaped housing member 1 is closed with a cover strip 8 shown here individually, which is attached to the intermediate portion 7 of the U-shaped housing member 1.
  • the attachment to the U-shaped housing element 1 via both sides of the cover strip 8 provided positive connection means 9a and 9b.
  • Both the cover strip 8 and the rest of the U-shaped housing element 1 are made of plastic and are produced by injection molding.
  • connection means 10 for common fluidic and electrical supply of both pressure medium cylinder 3 and 5.
  • means 11 for detachable locking on a support structure for example, a loading device of a drafting system (not shown here) emerge on the underside of the other pressure medium cylinder 3.
  • the connection means 10 comprise a fluidic connection 12 for Pressure medium lines for acting on the two pressure medium cylinders 3 and 5 and an adjacently arranged electrical connection 13 for electrical lines for - not visible here - position sensors.
  • the connection means 10 are integrated adjacent to the pressure medium cylinder 5 in the leg portion 4 of the common housing element 1.
  • the means 10 for releasably locking are integrated in the leg portion 2 of the common housing element 1 adjacent to the pressure cylinder 3.
  • the material-reinforced intermediate section 7 includes pressure medium lines 14a and 14b, which, starting from the fluidic connection 12, conduct compressed air to the pressure medium cylinder 5 and further to the pressure medium cylinder 3 in order to apply synchronously to both pressure medium cylinders 3 and 5 on the cylinder bottom side.
  • From the electrical connection 13 lead - not shown here - electrical leads to position sensors 15 and 16, which are integrated into the pressure medium cylinder 3 and 5, respectively, to detect the position of the associated piston rods 17 and 18.
  • the connecting lines are accessible in the region of the intermediate section 7 via the cover strip 8, which extends along the upper side 19 of the intermediate section 7 and is releasably secured to the housing element 1 via a screw-secured clip connection.
  • pressure cylinder 3 and 5 are closed by means of a penetrated by the respective piston rods 17 and 18, the cylinder cover 20 and 21 for protection against penetrating environmental dirt.
  • Both cylinder covers 20 and 21 are held by at least one screwed in the gap between the cylinder covers 20 and 21 and the housing member 1 screw 22 and 23 in their intended position.
  • the double-pressure cylinder arrangement according to the invention described above as a preferred embodiment is preferably part of a loading device for a drafting system of a textile machine as in EP 0 939 151 A2 described and serves the load of individual top rollers for stretching fiber material.
  • the intermediate portion 7 of the double-pressure cylinder arrangement can advantageously serve for clip attachment of a suction plate of the drafting system for absorbing released fibers, wherein such suction plate via recesses 24 on the intermediate portion 7 is attachable.
  • the double-pressure cylinder arrangement according to the invention is not limited to this preferred application, but can also be used in the context of other suitable applications.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Actuator (AREA)

Abstract

A double pressure cylinder arrangement comprises two pressure cylinders, carrier strut, connection lines, `and u-shaped housing mechanism. The second pressure cylinder is positioned in a spaced and axis-parallel relationship to the first pressure cylinder. The carrier strut is connected to a bottom side of the two pressure cylinders. The carrier strut comprises a hollow intermediate section. The u-shaped housing mechanism has two leg sections. A double pressure cylinder arrangement comprises two pressure cylinders (3, 5), carrier strut (6), connection lines, and u-shaped housing mechanism (1). The second pressure cylinder is positioned in a spaced and axis-parallel relationship to the first pressure cylinder. The carrier strut is connected to a bottom side of the two pressure cylinders. The carrier strut comprises a hollow intermediate section (7). The u-shaped housing mechanism has two leg sections (2, 4). Each leg section houses one of the pressure cylinders. The connection lines drives the two pressure cylinders integrated in the intermediate section. An independent claim is included for a loading device for a drafting arrangement of a textile machine comprising a double pressure cylinder arrangement for loading individual top rollers for extending fiber material.

Description

Die vorliegende Erfindung betrifft eine Doppeldruckmittelzylinderanordnung, bestehend aus einem ersten Druckmittelzylinder, der mittels einer Trägerstange achsparallel beabstandet zu einem zweiten Druckmittelzylinder angeordnet ist, wobei die Trägerstange zylinderbodenseitig mit beiden Druckmittelzylindern in Verbindung steht. Ferner betrifft die Erfindung auch eine Belastungseinrichtung für ein Streckwerk einer Textilmaschine, welche eine derartige Doppeldruckmittelzylinderanordnung umfasst.The present invention relates to a double-pressure cylinder arrangement, consisting of a first pressure medium cylinder, which is arranged by means of a support rod axially parallel spaced from a second pressure medium cylinder, wherein the support rod is on the cylinder bottom side with two pressure medium cylinders in combination. Furthermore, the Invention also a loading device for a drafting of a textile machine, which comprises such a double-pressure cylinder arrangement.

Eine Doppeldruckmittelzylinderanordnung der hier interessierenden Art wird vorzugsweise in der Textilmaschinentechnik eingesetzt. Bei einem Streckwerk für Fasermaterial kommt die Doppeldruckmittelzylinderanordnung bei einer Belastungseinrichtung zur Anwendung. Ein Streckwerk besteht im Wesentlichen aus einer hintereinandergeschalteten Anordnung von mehreren Ober- /Unterwalzenpaaren, wobei die jeweiligen Oberwalzen mittels der Doppeldruckmittelzylinderanordnung beaufschlagbar sind, um diese gegen die Unterwalze zu pressen. Dementsprechend sind die Oberwalzen in der Regel schwimmend gelagert. Zwischen jedem Ober-/Unterwalzenpaar wird Fasermaterial endlos geführt, welches durch ein Hintereinanderschalten mehrerer solcher Streckwerke insgesamt gestreckt wird, so dass das Fasermaterial eine bleibende Dehnung erfährt. Zu diesem Zwecke haben die einzelnen Streckwerke unterschiedliche Drehzahlen.A double-pressure cylinder arrangement of the kind of interest here is preferably used in textile machine technology. In a drafting system for fiber material, the double-pressure cylinder arrangement is used in a loading device. A drafting system consists essentially of a series arrangement of several upper / lower roller pairs, wherein the respective upper rollers are acted upon by the double-pressure cylinder arrangement to press these against the lower roller. Accordingly, the top rollers are usually floating. Between each upper / lower roller pair, fiber material is guided endlessly, which is stretched in total by a series connection of several such drafting systems, so that the fiber material undergoes a permanent elongation. For this purpose, the individual drafting units have different speeds.

Aus der EP 0 939 151 A2 geht ein solches Streckwerk hervor, dessen Belastungseinrichtung mit entsprechenden Doppeldruckmittelzylinderanordnungen ausgerüstet ist. Die Belastungseinrichtung besitzt einen Belastungsarm an dem die Oberwalzen des Streckwerks gelagert sind. Die hier insgesamt drei Oberwalzen liegen auf den dazugehörigen Unterwalzen auf. Die Oberwalzen sind an beiden Enden drehbar gelagert und werden von der Belastungseinrichtung gegen die korrespondierenden Unterwalzen gedrückt, um einen permanenten Reibfluss mit dem durchlaufenden Fasermaterial herzustellen, so dass dieses beim Durchlaufen der Strecke gedehnt werden kann. Die Abstände der Oberwalzen zueinander sind dementsprechend verstellbar ausgebildet, weil je nach dem zu streckenden Fasermaterial verschiedene Abstände erforderlich sind. Die von der Belastungseinrichtung erzeugte Andrückkraft auf die Oberwalze wird über einen Druck gesteuert, welcher in Form von Druckluft der Belastungseinrichtung über entsprechende Druckmittelleitungen zugeführt wird. Der Belastungsarm ist ferner in einem Drehpunkt schwenkbar gelagert, so dass der Belastungen geöffnet werden kann, wodurch das Streckwerk in dem Bereich zwischen den Oberwalzen und den Unterwalzen zugänglich sind, um neues Fasermaterial einzulegen oder Störungen zu beseitigen.From the EP 0 939 151 A2 goes out such a drafting, the loading device is equipped with corresponding double-pressure cylinder arrangements. The loading device has a load arm on which the upper rollers of the drafting system are mounted. The total of three top rollers are on the corresponding lower rollers. The upper rollers are rotatably mounted at both ends and are urged by the loading device against the corresponding lower rollers to produce a permanent friction flow with the continuous fiber material, so that it can be stretched when passing through the distance. The distances between the top rollers to each other are designed to be adjustable accordingly, because depending on the fiber material to be stretched different distances are required. The pressure force generated by the loading device on the upper roller is controlled by a pressure which is supplied in the form of compressed air to the loading device via corresponding pressure medium lines. The loading arm is also pivotally mounted at a pivot point so that the loads can be opened, whereby the drafting system in the area between the top rollers and the bottom rollers are accessible to insert new fiber material or eliminate interference.

Die Doppeldruckmittelzylinderanordnung der Belastungseinrichtung ist auf der der Kolbenstange abgewandten Seite des Kolbens mit Druckluft beaufschlagbar, so dass die hierdurch erzeugte Druckkraft über die beiden achsparallel ausfahrenden Kolbenstangen auf beide Endbereiche je einer Oberwalze übertragen wird. Jeder Oberwalze ist eine eigene Doppeldruckmittelzylinderanordnung zugeordnet.The double-pressure cylinder arrangement of the loading device can be acted upon with compressed air on the side of the piston facing away from the piston rod, so that the pressure force generated thereby is transmitted via the two axially parallel piston rods to both end regions of a top roller. Each top roller is assigned its own double-pressure cylinder arrangement.

Die bekannte Doppeldruckmittelzylinderanordnung wird aus jeweils zwei gleichartigen Normzylindern gebildet, die über ihre Zylinderböden endseitig an eine Trägerstange angeschraubt sind, um die gewünschte parallel beabstandete Druckkraft für die zugeordnete Oberwalze zu erzeugen. Die Trägerstange besteht dabei aus einem Blechbiegeteil, welches recht aufwendig zu fertigen ist. Die für den hier interessierenden Einsatzzweck zur Verfügung stehenden Normzylinder sind zudem recht langbauend, so dass die gesamte Doppeldruckmittelzylinderanordnung am Streckwerk störend hervorsteht. Durch diese sperrige Konstruktion ist der schwenkbare Belastungsarm zudem umständlich handhabbar. Darüber hinaus besteht wegen der außen freiliegenden elektrischen und pneumatischen Verbindungsleitungen zu den Normzylindern die Gefahr von Leitungsabrissen. Außerdem sind die Einzelteile der bekannten Doppeldruckmittelzylinderanordnung recht aufwendig zu montieren.The known double-pressure cylinder arrangement is formed from two identical standard cylinders, which are screwed on their cylinder bottoms at the end to a support rod to produce the desired parallel spaced compressive force for the associated top roller. The support rod consists of a bent sheet metal part, which is quite expensive to manufacture. The available for the purpose of interest purpose standard cylinder are also quite long-lasting, so that the entire double-pressure cylinder arrangement protrudes disturbing at the drafting. Due to this bulky construction of the pivotable load arm is also cumbersome to handle. In addition, there is a risk of line breaks because of the externally exposed electrical and pneumatic connection lines to the standard cylinders. In addition, the items of the known double-pressure cylinder arrangement are quite expensive to assemble.

Aus der DE 197 04 815 A1 geht eine gattungsgemäße Doppeldruckmittelzylinderanordnung hervor. Um das vorstehend angegebene Problem freiliegender Verbindungsleitungen zu lösen, werden bei dieser technischen Lösung die Verbindungsleitungen innerhalb einer hohlen Trägerstange untergebracht. Die Trägerstange ist Bestandteil einer U-förmigen Trägerkonstruktion für die beiden Druckmittelzylinder, welche jeweils seitlich innenliegend an den Schenkeln der U-förmigen Trägerkonstruktion angeschraubt sind. Die U-förmige Trägerkonstruktion ist ein Blechbiegeteil, zu dessen Fertigung entsprechend aufwendige Stanz- und Biegeschritte erforderlich sind.From the DE 197 04 815 A1 goes out a generic double-pressure cylinder arrangement. In order to solve the above-mentioned problem of exposed connection lines, In this technical solution, the connecting lines are accommodated within a hollow carrier bar. The support rod is part of a U-shaped support structure for the two pressure medium cylinder, which are respectively screwed laterally inwardly on the legs of the U-shaped support structure. The U-shaped support structure is a bent sheet metal part, the production of which correspondingly complex punching and bending steps are required.

Es ist daher die Aufgabe der vorliegende Erfindung, im Gegensatz zum vorstehend beschriebenen Stand der Technik eine Doppeldruckmittelzylinderanordnung zu schaffen, die sich durch eine bedienerfreundliche Gestaltung und unter Verwendung weniger Einzelbauteile zuverlässig funktioniert.It is therefore the object of the present invention, in contrast to the above-described prior art, to provide a double-pressure-cylinder arrangement which functions reliably by a user-friendly design and by using a few individual components.

Die Aufgabe wird ausgehend von einer Doppeldruckmittelzylinderanordnung gemäß dem Oberbegriff des Anspruchs 1 in Verbindung mit dessen kennzeichnenden Merkmalen gelöst. Die nachfolgenden abhängigen Ansprüche geben vorteilhafte Weiterbildungen der Erfindung wieder. Hinsichtlich einer Belastungseinrichtung für ein Streckwerk einer Textilmaschine wird die Aufgabe durch Anspruch 12 gelöst.The object is achieved on the basis of a double-pressure cylinder arrangement according to the preamble of claim 1 in conjunction with its characterizing features. The following dependent claims give advantageous developments of the invention. With regard to a loading device for a drafting of a textile machine, the object is achieved by claim 12.

Die Erfindung schließt die technische Lehre ein, dass für eine Doppeldruckmittelzylinderanordnung ein im Wesentlichen U- förmiges Gehäuseelement vorgesehen ist, dessen beiden Schenkelabschnitte je ein Zylindergehäuse für die Druckmittelzylinder bilden, wobei in einen die Trägerstange bildenden hohlen Zwischenabschnitt diverse Verbindungsleitungen zur Ansteuerung der beiden Druckmittelzylinder integriert sind.The invention includes the technical teaching that a substantially U-shaped housing element is provided for a double-pressure cylinder arrangement, the two leg sections each form a cylinder housing for the pressure cylinder, wherein in a carrier bar forming hollow intermediate portion diverse connecting lines for driving the two pressure cylinder are integrated ,

Der Vorteil der erfindungsgemäßen Lösung liegt insbesondere darin, dass in Folge einer Funktionsintegration verschiedener Gehäusebauteile die Anzahl der Einzelbauteile minimal ist. Die einzelne, aufwendig zu fertigende Trägerstange entfällt insoweit gänzlich. Durch die Abkehr von der bekannten Bauweise unter Einbeziehung der Normzylinder kann die Baugröße der Doppeldruckmittelzylinderanordnung insgesamt minimiert werden. Die Unterbringung der Verbindungsleitungen in den die Trägerstange bildenden Zwischenabschnitt verhindert zuverlässig eine Abrissgefahr. Die erfindungsgemäß, funktionsintegrierte Lösung benötigt weniger Dichtflächen an angrenzende Bauteile, welche über die Lebensdauer Ursache von Störungen sein können, was einer gegenüber der bekannten Doppeldruckmittelzylinderanordnung zuverlässigere Funktion über die Lebensdauer gewährleistet.The advantage of the solution according to the invention is, in particular, that the number of individual components is minimal as a result of functional integration of different housing components. The single, consuming to be manufactured carrier bar deleted in so far entirely. By abandoning the known construction including the standard cylinder, the size of the double-pressure cylinder arrangement can be minimized overall. The placement of the connecting lines in the carrier rod forming intermediate portion reliably prevents a risk of demolition. The present invention, function-integrated solution requires fewer sealing surfaces of adjacent components, which can be the cause of disturbances over the life, which ensures a reliable over the life of the known double-pressure cylinder arrangement more reliable function.

Die Doppeldruckmittelzylinderanordnung kann weiterhin Mittel zum lösbaren Arretieren an einer Trägerkonstruktion - beispielsweise einer Belastungseinrichtung eines Streckwerks aufweisen, welche zumindest in den Bereich des einen Schenkelabschnitts des Gehäuseelements benachbart zum Druckmittelzylinder integriert sind. Somit kann beispielsweise beim Einsatz in Verbindung mit einer Belastungseinrichtung für ein Streckwerk die erforderliche Schwenkbewegung, dessen Schwenkachse im Bereich des gegenüberliegenden Schenkelabschnitts liegt, durchgeführt werden, wobei eine lösbare Arretierung in der Betriebsstellung gewährleistet ist. Diese kann beispielsweise über eine im Bereich des besagten Schenkelabschnitts integrierten federrückgestellten Taste oder dergleichen konstruktiv ausgeführt werden.The double-pressure cylinder arrangement may further comprise means for releasably locking on a support structure - for example, a loading device of a drafting system have, which are integrated at least in the region of the one leg portion of the housing member adjacent to the pressure medium cylinder. Thus, for example, when used in conjunction with a loading device for a drafting the required pivotal movement, the pivot axis is in the region of the opposite leg portion, are performed, with a releasable locking is ensured in the operating position. This can be designed constructively, for example, via a spring-reset button or the like integrated in the region of said leg section.

Vorzugsweise sind Anschlussmittel zur fluidischen und/oder elektrischen Versorgung der beiden Druckmittelzylinder vorgesehen, welche zumindest im Bereich des einen Schenkelabschnitts des Gehäuseelements benachbart zum Druckmittelzylinder integriert sind. Im Falle einer Verwendung der Doppeldruckmittelzylinderanordnung im Rahmen einer Belastungseinrichtung für ein Streckwerk bietet sich hierfür derjenige Schenkelabschnitt an, welcher im Bereich des Schwenklagers liegt. Die Anschlussmittel treten vorzugsweise an der Unterseite des Schenkelabschnittes aus dem Gehäuseelement aus. Hieran sind weiterführende Druckmittelleitungen zur Ansteuerung der beiden Druckmittelzylinder bzw. elektrische Leitungen zur Verbindung mit Sensorelementen oder dergleichen auf einfache Weise anschließbar. Falls die besagten Anschlussmittel gemeinsam mit Mitteln zum lösbaren Arretieren der Doppeldruckmittelzylinderanordnung vorgesehen sind, so bietet es sich an, wenn die Anschlussmittel zur fluidischen und/oder elektrischen Versorgung der Druckmittelzylinder sowie die Mittel zum lösbaren Arretieren an einer Trägerkonstruktion je einem Schenkelabschnitt des Gehäuseelements exklusiv zugeordnet sind. Hiermit wird eine platzsparende und gleichmäßige Anordnung dieser Bauteile innerhalb des U-förmigen Gehäuseelements erreicht.Preferably, connection means are provided for the fluidic and / or electrical supply of the two pressure medium cylinders, which are integrated at least in the region of the one leg section of the housing element adjacent to the pressure medium cylinder. In the case of using the double-pressure cylinder arrangement as part of a loading device for a drafting system, that limb portion, which lies in the region of the pivot bearing, is suitable for this purpose. The connection means preferably emerge from the housing element on the underside of the leg section. This can be further connected to further pressure medium lines for controlling the two pressure medium cylinder or electrical lines for connection to sensor elements or the like in a simple manner. If the said connection means are provided together with means for releasably locking the double-pressure cylinder arrangement, then it makes sense if the connection means for the fluidic and / or electrical supply of the pressure cylinder and the means for releasably locking on a support structure are each assigned exclusively to a leg section of the housing element , Hereby, a space-saving and uniform arrangement of these components within the U-shaped housing element is achieved.

Eine besonders platzsparende Anordnung ergibt sich, wenn die Anschlussmittel zu fluidischen und/oder elektrischen Versorgung der Druckmittelzylinder einerseits und die Mittel zum lösbaren Arretieren an einer Trägerkonstruktion andererseits in einem jeweils nach außen hin gelegenen Bereich der Schenkelabschnitte benachbart neben den jeweiligen inneren Druckmittelzylindern untergebracht sind. Hierdurch vergrößert sich die Bauhöhe insgesamt nicht, so dass eine Integration der besagten zusätzlichen Bestandteile die Kompaktheit der Doppeldruckmittelzylinderanordnung nicht wesentlich beeinträchtigt.A particularly space-saving arrangement results when the connection means for fluidic and / or electrical supply of the pressure cylinder on the one hand and the Means for releasably locking on a support structure on the other hand are housed in a respectively outwardly located region of the leg portions adjacent to the respective inner pressure medium cylinders. As a result, the total height does not increase, so that integration of said additional components does not significantly affect the compactness of the double-pressure cylinder arrangement.

Gemäß einer weiteren die Erfindung verbessernden Maßnahme können die in den Zwischenabschnitt des Gehäuseelements integrierten Verbindungsleitungen zum Einen Druckmittelleitungen zur Ansteuerung beider Druckmittelzylinder und zum Anderen elektrische Signalleitungen für Positionssensoren umfassen, die jedem Druckmittelzylinder zugeordnet sind und insoweit nebeneinanderliegend im Zwischenabschnitt des Gehäuseelements, welcher also eine Art Kabelkanal bildet, untergebracht sind. Daneben ist es auch denkbar, zumindest die Druckmittelleitungen direkt als entsprechende Kanalzüge in den Zwischenabschnitt des Gehäuseelements zu integrieren. Im Falle von separat verlegten Verbindungsleitungen sind diese vorteilhafter Weise über eine Deckelleiste zugänglich, welche längs der Oberseite des Zwischenabschnitts verläuft und am Gehäuseelement mit einer Klippverbindung lösbar befestigt ist. Diese Klippverbindung kann mit zusätzlichen Sicherungselementen - wie Schrauben oder dergleichen - gesichert werden. Über die lösbare Deckelleiste sind somit alle Verbindungsleitungen zu Montage - oder Reparaturzwecken leicht zugänglich.According to a further measure improving the invention, the connecting lines integrated in the intermediate section of the housing element can comprise pressure medium lines for controlling both pressure medium cylinders and electrical signal lines for position sensors which are assigned to each pressure medium cylinder and, thus, adjacent to one another in the intermediate section of the housing element, which thus is a kind of cable channel forms, are housed. In addition, it is also conceivable to integrate at least the pressure medium lines directly as corresponding channel strips in the intermediate portion of the housing member. In the case of separately installed connection lines, these are advantageously accessible via a cover strip, which runs along the top of the intermediate portion and is releasably secured to the housing member with a clip connection. This clip connection can be secured with additional securing elements such as screws or the like. Thus, all connection lines for assembly or repair purposes are easily accessible via the detachable cover strip.

Das Gehäuseelement samt Deckelleiste lässt sich in besonders vorteilhafter Weise aus einem Kunststoff durch Spritzgießen herstellen. Es hat sich gezeigt, dass eine Herstellung aus Kunststoff bei entsprechender statischer Optimierung des Gehäuseelements darstellbar ist, was eine einfache Fertigung gewährleistet.The housing element together with the cover strip can be produced in a particularly advantageous manner from a plastic by injection molding. It has been shown that a production of plastic with appropriate static optimization of the housing element can be displayed, which ensures easy production.

Gemäß einer weiteren die Erfindung verbessernden Maßnahme ist jeder Druckmittelzylinder mit einem von der Kolbenstange durchdrungenen Zylinderdeckel verschlossen, wobei der Spalt zwischen dem Zylinderdeckel und dem Gehäuseelement zum Eindrehen einer Schraube genutzt wird, um den Zylinderdeckel am Gehäuseelement zuverlässig zu halten. Besonders beim Einsatz der erfindungsgemäßen Doppeldruckmittelzylinderanordnung im Rahmen einer Belastungseinrichtung für ein Streckwerk bietet sich diese einfache Lösung an, da deren Druckmittelzylinder lediglich einfachwirkend sind, so dass Dichtheitsprobleme im Bereich des Zylinderdeckels nicht auftreten können.According to a further measure improving the invention, each pressure cylinder is closed with a penetrated by the piston rod cylinder cover, wherein the Gap between the cylinder cover and the housing member is used for screwing a screw to keep the cylinder cover to the housing element reliably. Especially when using the double-pressure cylinder arrangement according to the invention in the context of a loading device for a drafting system, this simple solution offers, since the pressure medium cylinder are only single-acting, so that tightness problems in the area of the cylinder cover can not occur.

Bei Einsatz der erfindungsgemäßen Doppeldruckmittelzylinderanordnung bei einer Belastungseinrichtung für ein Streckwerk kann am U-förmigen Gehäuseelement weiterhin auch eine die Schwenkbewegung dämpfende Gasdruckfeder angebracht werden, welche als Rückschlagsicherung gegen ein ungewolltes Rückschwenken des Belastungsarms dient. Die Gasdruckfeder ist insoweit zwischen der Doppeldruckmittelzylinderanordnung einerseits und der Trägerkonstruktion andererseits angebracht.When using the double-pressure cylinder arrangement according to the invention in a loading device for a drafting system can also be attached to the U-shaped housing member, a pivoting damping gas spring, which serves as a non-return against unintentional pivoting back of the loading arm. The gas spring is so far attached between the double-pressure cylinder arrangement on the one hand and the support structure on the other.

Weiterhin können am Zwischenabschnitt der Doppeldruckmittelzylinderanordnung mehrere Ausnehmungen oder dergleichen vorgesehen werden, welche zur Clipbefestigung eines Ansaugbleches des Streckwerks genutzt werden. Relativ aufwendige zu montierende Schraubenelemente können insoweit an dieser Stelle entfallen.Furthermore, a plurality of recesses or the like can be provided at the intermediate portion of the double-pressure cylinder arrangement, which are used for clip attachment of a suction plate of the drafting system. Relatively expensive to be mounted screw elements can be omitted so far at this point.

Weitere die Erfindung verbessernde Maßnahmen werden nachstehend gemeinsam mit der Beschreibung eines bevorzugten Ausführungsbeispiels der Erfindung anhand der Figuren näher dargestellt.Further measures improving the invention will be described in more detail below together with the description of a preferred embodiment of the invention with reference to FIGS.

Es zeigt:

Fig.1
eine perspektivische Gesamtansicht einer Doppeldruckmittelzylinderanordnung,
Fig.2
einen Längsschnitt durch eine Deckelleiste hierfür,
Fig.3
eine Ansicht von unten der Doppeldruckmittelzylinderanordnung nach Fig.1, und
Fig.4
einen Längsschnitt der Doppeldruckmittelzylinderanordnung nach Fig.1.
It shows:
Fig.1
an overall perspective view of a double-pressure cylinder arrangement,
Fig.2
a longitudinal section through a cover strip for this,
Figure 3
a bottom view of the double-pressure cylinder arrangement according to Fig.1 , and
Figure 4
a longitudinal section of the double-pressure cylinder arrangement according to Fig.1 ,

Eine Doppeldruckmittelzylinderanordnung gemäß Fig. 1 weist ein im Wesentlichen U-förmiges Gehäuseelement 1 auf, dessen erster Schenkelabschnitt 2 ein Zylindergehäuse für einen Druckmittelzylinder 3 bildet, wogegen ein zweiter, gegenüberliegender Schenkelabschnitt 4 ein Zylindergehäuse für einen weiteren Druckmittelzylinder 5 bildet. Weiterhin ist eine Trägerstange 6 vorgesehen, die den ersten Druckmittelzylinder 3 mit dem zweiten Druckmittelzylinder 5 zylinderbodenseitig verbindet. Hierbei entsteht eine achsparallel beabstandete Anordnung beider Druckmittelzylinder 3 und 5 zueinander. Die Trägerstange 6 ist von einem hohlen Zwischenabschnitt 7 des gemeinsamen U-förmigen Gehäuseelements 1 gebildet.A double-pressure cylinder arrangement according to Fig. 1 has a substantially U-shaped housing member 1, the first leg portion 2 forms a cylinder housing for a pressure medium cylinder 3, whereas a second, opposite leg portion 4 forms a cylinder housing for a further pressure medium cylinder 5. Furthermore, a support rod 6 is provided, which connects the first pressure medium cylinder 3 with the second pressure medium cylinder 5 on the cylinder bottom side. This results in an axially parallel spaced arrangement of both pressure medium cylinder 3 and 5 to each other. The support bar 6 is formed by a hollow intermediate section 7 of the common U-shaped housing element 1.

Gemäß Fig.2 ist das U-förmige Gehäuseelement 1 mit einer hier einzeln dargestellten Deckelleiste 8 verschlossen, die auf den Zwischenabschnitt 7 des U-förmigen Gehäuseelements 1 aufgesteckt ist. Die Befestigung am U-förmigen Gehäuseelement 1 erfolgt über beidseitig der Deckelleiste 8 vorgesehene formschlüssige Verbindungsmittel 9a und 9b. Sowohl die Deckelleiste 8 als auch das übrige U- förmige Gehäuseelement 1 bestehen aus Kunststoff und sind im Spritzgießverfahren hergestellt.According to Fig.2 the U-shaped housing member 1 is closed with a cover strip 8 shown here individually, which is attached to the intermediate portion 7 of the U-shaped housing member 1. The attachment to the U-shaped housing element 1 via both sides of the cover strip 8 provided positive connection means 9a and 9b. Both the cover strip 8 and the rest of the U-shaped housing element 1 are made of plastic and are produced by injection molding.

Gemäß Fig.3 treten im Bereich der Unterseite des Druckmittelzylinders 5 Anschlussmittel 10 zur gemeinsamen fluidischen und elektrischen Versorgung beider Druckmittelzylinder 3 und 5 aus. Seitens des anderen Druckmittelzylinders 3 treten an der Unterseite der Doppeldruckmittelzylinderanordnung Mittel 11 zum lösbaren Arretieren an einer - hier nicht weiter dargestellten - Trägerkonstruktion (beispielsweise eine Belastungseinrichtung eines Streckwerks) aus. Die Anschlussmittel 10 umfassen einen fluidischen Anschluss 12 für Druckmittelleitungen zur Beaufschlagung der beiden Druckmittelzylinder 3 und 5 sowie einen daneben angeordneten elektrischen Anschluss 13 für elektrische Leitungen für - hier nicht erkennbare - Positionssensoren. Die Anschlussmittel 10 sind benachbart zum Druckmittelzylinder 5 im Schenkelabschnitt 4 des gemeinsamen Gehäuseelements 1 integriert. Die Mittel 10 zum lösbaren Arretieren sind dagegen im Schenkelabschnitt 2 des gemeinsamen Gehäuseelements 1 benachbart zum Druckmittelzylinder 3 integriert.According to Figure 3 occur in the region of the underside of the pressure cylinder 5 connecting means 10 for common fluidic and electrical supply of both pressure medium cylinder 3 and 5. On the underside of the double-pressure cylinder arrangement, means 11 for detachable locking on a support structure (for example, a loading device of a drafting system) (not shown here) emerge on the underside of the other pressure medium cylinder 3. The connection means 10 comprise a fluidic connection 12 for Pressure medium lines for acting on the two pressure medium cylinders 3 and 5 and an adjacently arranged electrical connection 13 for electrical lines for - not visible here - position sensors. The connection means 10 are integrated adjacent to the pressure medium cylinder 5 in the leg portion 4 of the common housing element 1. The means 10 for releasably locking, however, are integrated in the leg portion 2 of the common housing element 1 adjacent to the pressure cylinder 3.

Gemäß Fig.4 beinhaltet der materialverstärkte Zwischenabschnitt 7 Druckmittelleitungen 14a und 14b, welche ausgehend vom fluidischen Anschluss 12 Druckluft zum Druckmittelzylinder 5 und weiterführend zum Druckmittelzylinder 3 leiten, um beide Druckmittelzylinder 3 und 5 zylinderbodenseitig synchron zu beaufschlagen. Vom elektrischen Anschluss 13 führen - hier nicht weiter dargestellten - elektrischen Leitungen zu Positionssensoren 15 und 16, welche in den Druckmittelzylinder 3 bzw. 5 integriert sind, um die Stellung der zugeordneten Kolbenstangen 17 und 18 zu detektieren. Die Verbindungsleitungen sind im Bereich des Zwischenabschnitts 7 über die Deckelleiste 8 zugänglich, welche längs der Oberseite 19 des Zwischenabschnitts 7 verläuft und am Gehäuseelement 1 über eine schraubengesicherte Clipverbindung lösbar befestigt ist. Weiterhin sind Druckmittelzylinder 3 und 5 mittels eines von den jeweiligen Kolbenstangen 17 bzw. 18 durchdrungenen Zylinderdeckel 20 bzw. 21 zum Schutz vor eindringendem Umgebungsschmutz verschlossen. Beide Zylinderdeckel 20 und 21 sind über mindestens eine im Spalt zwischen den Zylinderdeckeln 20 bzw. 21 und dem Gehäuseelement 1 eingedrehten Schraube 22 bzw. 23 in ihrer bestimmungsgemäßen Position gehalten.According to Figure 4 The material-reinforced intermediate section 7 includes pressure medium lines 14a and 14b, which, starting from the fluidic connection 12, conduct compressed air to the pressure medium cylinder 5 and further to the pressure medium cylinder 3 in order to apply synchronously to both pressure medium cylinders 3 and 5 on the cylinder bottom side. From the electrical connection 13 lead - not shown here - electrical leads to position sensors 15 and 16, which are integrated into the pressure medium cylinder 3 and 5, respectively, to detect the position of the associated piston rods 17 and 18. The connecting lines are accessible in the region of the intermediate section 7 via the cover strip 8, which extends along the upper side 19 of the intermediate section 7 and is releasably secured to the housing element 1 via a screw-secured clip connection. Furthermore, pressure cylinder 3 and 5 are closed by means of a penetrated by the respective piston rods 17 and 18, the cylinder cover 20 and 21 for protection against penetrating environmental dirt. Both cylinder covers 20 and 21 are held by at least one screwed in the gap between the cylinder covers 20 and 21 and the housing member 1 screw 22 and 23 in their intended position.

Die vorstehend als bevorzugtes Ausführungsbeispiel beschriebene erfindungsgemäße Doppeldruckmittelzylinderanordnung ist vorzugsweise Bestandteil einer Belastungseinrichtung für ein Streckwerk einer Textilmaschine wie in EP 0 939 151 A2 beschrieben und dient der Belastung einzelner Oberwalzen zum Strecken von Fasermaterial.The double-pressure cylinder arrangement according to the invention described above as a preferred embodiment is preferably part of a loading device for a drafting system of a textile machine as in EP 0 939 151 A2 described and serves the load of individual top rollers for stretching fiber material.

Im Falle dieses bevorzugten Anwendungsfalls kann der Zwischenabschnitt 7 der Doppeldruckmittelzylinderanordnung vorteilhafter Weise zur Clipbefestigung eines Ansaugblechs des Streckwerks zum Aufsaugen von freigesetzten Fasern dienen, wobei ein solches Ansaugblech über Ausnehmungen 24 am Zwischenabschnitt 7 anbringbar ist.In the case of this preferred application, the intermediate portion 7 of the double-pressure cylinder arrangement can advantageously serve for clip attachment of a suction plate of the drafting system for absorbing released fibers, wherein such suction plate via recesses 24 on the intermediate portion 7 is attachable.

Die erfindungsgemäße Doppeldruckmittelzylinderanordnung ist nicht auf diesen bevorzugten Anwendungsfall beschränk, sondern kann auch im Rahmen anderer geeigneter Anwendungsfälle zum Einsatz gebracht werden.The double-pressure cylinder arrangement according to the invention is not limited to this preferred application, but can also be used in the context of other suitable applications.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Gehäuseelementhousing element
22
Schenkelabschnittleg portion
33
DruckmittelzylinderPressure cylinder
44
Schenkelabschnittleg portion
55
DruckmittelzylinderPressure cylinder
66
Trägerstangesupport rod
77
Zwischenabschnittintermediate section
88th
Deckelleistecover strip
99
Verbindungsmittelconnecting means
1010
Anschlussmittelconnection means
1111
Mittel zum ArretierenMeans for locking
1212
fluidischer Anschlussfluidic connection
1313
elektrischer Anschlusselectrical connection
1414
DruckmittelleitungPressure medium line
1515
Positionssensorposition sensor
1616
Positionssensorposition sensor
1717
Kolbenstangepiston rod
1818
Kolbenstangepiston rod
1919
Oberseitetop
2020
Zylinderdeckelcylinder cover
2121
Zylinderdeckelcylinder cover
2222
Schraubescrew
2323
Schraubescrew
2424
Ausnehmungrecess

Claims (14)

  1. A double pressure cylinder assembly, comprising a first pressure cylinder (3) disposed in an axis-parallel arrangement at a distance from a second pressure cylinder (5) by means of a support beam (6), said support beam (6) being connected to both pressure cylinders (3, 5) at the side of their cylinder bottoms and forming a hollow intermediate section (7) in which various connection lines for driving the two pressure cylinders (3, 5) are integrated, wherein further an essentially U-shaped housing element (1) is provided,
    characterized in that the two leg portions (2, 4) of the essentially U-shaped housing element (1) each form a cylinder housing for said pressure cylinders (3, 5).
  2. The double pressure cylinder assembly according to claim 1,
    characterized in that means (11) for releasable attachment on a carrier structure are provided, which are integrated adjacent to said pressure cylinder (3) at least in the area of one leg portion (2) of said housing element (1).
  3. The double pressure cylinder assembly according to claim 1 or 2,
    characterized in that connecting means (10) are provided for fluid and/or electric supply of said pressure cylinders (3, 5), which are integrated adjacent to said pressure cylinder (5) at least in the area of one leg portion (4) of said housing element (1).
  4. The double pressure cylinder assembly according to claim 3,
    characterized in that said connecting means (10) exit from said housing element (1) at the bottom side of said leg portion (4), where pressurized-medium lines or electric lines are connectable.
  5. The double pressure cylinder assembly according to any one of the preceding claims,
    characterized in that said connecting means (10) for fluid and/or electric supply of said pressure cylinders (3, 5) and said means (11) for releasable attachment on a carrier structure are exclusively associated with one of said leg portions (2 and 4, respectively) of said housing element (1).
  6. The double pressure cylinder assembly according to claim 5,
    characterized in that said connecting means (10) for fluid and/or electric supply of said pressure cylinders (3, 5) on the one hand, and said means (11) for releasable attachment on a carrier structure on the other hand, are each accommodated adjacent to each of said pressure cylinders (3, 5) in an area located toward the outside of said leg portions (2 and 4, respectively).
  7. The double pressure cylinder assembly according to any one of the preceding claims,
    characterized in that the connection lines integrated in said intermediate section (7) of said housing element (1) comprise, on the one hand, pressurized-medium lines for driving the two pressure cylinders (3, 5) and, on the other hand, electric signal lines for position sensors (15, 16) associated with each of said pressure cylinders (3 and 5, respectively).
  8. The double pressure cylinder assembly according to any one of the preceding claims,
    characterized in that the connection lines are accessible through an elongate cover (8) extending along the top surface (19) of said intermediate section (7) and releasably attached on said housing element (1) by means of a clip connection.
  9. The double pressure cylinder assembly according to any one of the preceding claims,
    characterized in that at least said housing element (1) and said elongate cover (8) are formed as components manufactured of plastic material by injection moulding.
  10. The double pressure cylinder assembly according to any one of the preceding claims,
    characterized in that the two pressure cylinders (3, 5) are configured as single-acting cylinders to which pressure can be applied for essentially synchronously extending the piston rod (17 and 18, respectively) by means of pressurized air as a pressurized medium.
  11. The double pressure cylinder assembly according to claim 11,
    characterized in that each pressure cylinder (3, 5) is closed off by means of a cylinder cover (20, 21), through which the piston rod (17, 18) passes and which is held by means of a screw (22, 23) engaged in the gap between the cylinder cover (20, 21) and said housing element (1).
  12. A loading means for a drawing frame in a textile machine, comprising a double pressure cylinder assembly according to any one of the preceding claims, for loading individual top rollers for stretching fibre material.
  13. The loading means according to claim 12,
    characterized in that said double pressure cylinder assembly is mounted on said carrier structure in a pivotable manner, wherein at least one gas pressure spring is provided as an anti-backlash device for damping the pivoting movement and is arranged between said double pressure cylinder assembly and said carrier structure.
  14. The loading means according to claim 12,
    characterized in that a plurality of recesses (24) are provided at the intermediate section (7) of said double pressure cylinder assembly for clip fastening a vacuum plate of the drawing frame.
EP04101126A 2003-03-31 2004-03-18 Roller system with double pressure means, and device for fibre control in a textile machine comprising such a roller system with double pressure means Expired - Lifetime EP1464741B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10314428 2003-03-31
DE10314428A DE10314428B4 (en) 2003-03-31 2003-03-31 Double-pressure cylinder arrangement and loading device of a textile machine with such a double-pressure cylinder arrangement

Publications (3)

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EP1464741A2 EP1464741A2 (en) 2004-10-06
EP1464741A3 EP1464741A3 (en) 2005-08-10
EP1464741B1 true EP1464741B1 (en) 2008-08-27

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US (1) US7076841B2 (en)
EP (1) EP1464741B1 (en)
JP (1) JP4213614B2 (en)
CN (1) CN100513659C (en)
AT (1) ATE406471T1 (en)
DE (2) DE10314428B4 (en)

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Publication number Priority date Publication date Assignee Title
DE10331759B4 (en) * 2003-07-14 2012-03-29 Trützschler GmbH & Co Kommanditgesellschaft Device on a stretch for textile fiber ribbons with loading and unloading of drafting crown rollers
DE102005020506A1 (en) 2005-04-29 2006-11-09 TRüTZSCHLER GMBH & CO. KG Device on a drafting system of a spinning machine, in particular track, card, combing machine o. The like., To load the drafting rollers, with at least one pressure cylinder
DE102006048742B4 (en) 2006-10-11 2021-06-10 Trützschler GmbH & Co Kommanditgesellschaft Device on a drafting system of a spinning machine for loading the drafting system rollers, with at least one pressure cylinder
DE102010055694A1 (en) * 2010-12-22 2012-06-28 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Cover for a cylinder arrangement, cylinder arrangement and automatic transmission
CH712605A1 (en) * 2016-06-24 2017-12-29 Rieter Ag Maschf Drafting system for drawing a strand-like fiber composite as well as textile machine equipped therewith.

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3864137D1 (en) 1988-01-11 1991-09-12 Rieter Ag Maschf DEVICE FOR MONITORING A WRAP FORMATION ON A ROLL FOR GUIDING A TEXTILE FIBER TAPE.
DE4209392C2 (en) * 1992-03-23 1995-10-12 Krauss Maffei Ag Mold closing device for an injection molding machine
DE19548840B4 (en) * 1995-12-27 2008-04-03 Rieter Ingolstadt Spinnereimaschinenbau Ag Track for doubling and stretching slivers
DE19704815A1 (en) * 1997-02-08 1998-08-13 Truetzschler Gmbh & Co Kg Load application mechanism for rolls on a textile fibre band stretching unit
DE19807801A1 (en) * 1998-02-25 1999-08-26 Rieter Ingolstadt Spinnerei Load device for the top rollers of drafting systems
DE19839885B4 (en) * 1998-09-02 2010-04-01 TRüTZSCHLER GMBH & CO. KG Device on a stretch for textile fiber ribbons with load on the top rollers of the drafting system
CN2419219Y (en) * 2000-02-03 2001-02-14 山西经纬合力机械制造公司总厂 Roller pressing device
DE20220545U1 (en) * 2002-07-29 2003-10-02 Truetzschler Gmbh & Co Kg Textile drawing assembly has a series of lever operated upper rollers moved by pneumatic jacks against a series of lower rollers

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ATE406471T1 (en) 2008-09-15
CN100513659C (en) 2009-07-15
EP1464741A3 (en) 2005-08-10
US7076841B2 (en) 2006-07-18
JP4213614B2 (en) 2009-01-21
DE10314428A1 (en) 2004-10-28
JP2004300661A (en) 2004-10-28
EP1464741A2 (en) 2004-10-06
DE502004007934D1 (en) 2008-10-09
DE10314428B4 (en) 2007-03-29
US20040187269A1 (en) 2004-09-30
CN1534116A (en) 2004-10-06

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