EP2718215A1 - Tensioning unit for transporting filaments - Google Patents

Tensioning unit for transporting filaments

Info

Publication number
EP2718215A1
EP2718215A1 EP12725804.4A EP12725804A EP2718215A1 EP 2718215 A1 EP2718215 A1 EP 2718215A1 EP 12725804 A EP12725804 A EP 12725804A EP 2718215 A1 EP2718215 A1 EP 2718215A1
Authority
EP
European Patent Office
Prior art keywords
roller
rollers
zugwerk
filaments
driven
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12725804.4A
Other languages
German (de)
French (fr)
Other versions
EP2718215B1 (en
Inventor
Rolf Schröder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Truetzschler Nonwovens GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Truetzschler Nonwovens GmbH filed Critical Truetzschler Nonwovens GmbH
Publication of EP2718215A1 publication Critical patent/EP2718215A1/en
Application granted granted Critical
Publication of EP2718215B1 publication Critical patent/EP2718215B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
    • B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
    • B65H51/08—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
    • B65H51/12—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements in spaced relation to provide a series of independent forwarding surfaces around which material is passed or wound
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
    • B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
    • B65H51/08—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
    • B65H51/10—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements with opposed coacting surfaces, e.g. providing nips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/32—Supporting or driving arrangements for forwarding devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/70—Other constructional features of yarn-winding machines
    • B65H54/71—Arrangements for severing filamentary materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/003—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to winding of yarns around rotating cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments
    • B65H2701/314—Carbon fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/38—Thread sheet, e.g. sheet of parallel yarns or wires

Definitions

  • the invention relates to a train according to the preamble of claim 1.
  • Tractors of the generic type are used in fiber lines between individual processing stations application. By driven rollers around which the filaments bundled into cables are guided, the necessary to promote the filaments tensile forces are applied.
  • the invention is therefore based on a train for the transport of filaments, in particular carbon filaments, consisting of a number of driven rollers around which the filaments are guided, wherein one of the rollers cooperates with an employee counter-roller and the filaments run through the nip formed in this way.
  • the filaments are endless fibers. A strand or a bundle of filaments forms a cable.
  • Object of the present invention is to improve a generic device.
  • rollers and their drive are accommodated in a transportable frame unit.
  • the train may be equipped with a different number of driven rollers.
  • the entry and exit serving rollers are not driven.
  • the driven rollers are driven according to a preferred embodiment of the invention by a drive via a traction means (chain).
  • the drive further includes the electrical control and the power supply, so that the train of the invention after the mechanical installation only needs to be connected to the network and connected to the control of the fiber line.
  • the preferably mounted on top of the frame drive does not hinder accessibility to the individual rollers of the train.
  • the driven rollers can each be assigned a single motor, so that the rollers can be driven separately from each other. Also, in this case, the individual motors can be controlled separately. The motors can be controlled, for example, by controlling the torques of the respective motors.
  • the non-driven rollers of the inlet and / or outlet are preferably arranged in height adjustable on the frame, so that the height of the cable run can be adjusted. This is particularly advantageous when the train according to the invention is upstream or downstream of a furnace and the filaments combined into cables are in particular carbon filaments. Such devices usually have very narrow input gaps for the cables to be treated, by the adjustability of the cable run can be made to adapt to the particular circumstances.
  • a further embodiment of the invention provides that the non-driven input and / or output roller is coupled to a measuring system for detecting the tension present in the incoming or outgoing cable. This is done for example by a load cell, which is mounted between the frame and the storage of the respective roller.
  • a measuring system designed in this way allows the force exerted by the cable on the roller to be taken into account
  • Running directions are determined in the cable traction. These values are used to monitor the operation and in particular to avoid too high voltages during the startup of the system, since here the system parts connected in series are to be operated in a coordinated manner with respect to each other in their speed. This has the advantage that filmmentrisse be avoided.
  • At least one of the driven pull rolls is at least partially connected, that is to say provided with a cover surrounding the roll surface at least in a partial circumferential region.
  • a draw roller is a roller of the train.
  • the cup-shaped covers serve to protect people and prevent hazards due to incoming column, especially in the area between the running on a draw roller cable and the corresponding rotating roller surface.
  • the cover is preferably associated in the partial circumference of the roller surface of the tension roller, around which the filaments bundled in cables are not wound in normal operation.
  • normal operation means that there is no Filamentriss.
  • the torn off filaments wrap around the roll (s) and, in this case, also the partial circumference of the roll surface of the roll is wrapped with the cables in which the cover is arranged.
  • a further embodiment of the invention provides a remedy, which provides a running in the axial direction of the respective roller and parallel to this guide for a cutting device.
  • the leadership is designed so that the Cutting device by means of the guide to the roll surface of the roll guide and / or preferably in the axial direction along the roll surface of the roll is feasible.
  • the cutting device is, for example, a knife attached to an extension, which is pulled by the operator along the guide over the roll surface of the roll.
  • the cutting device is moved manually.
  • the cutting device can also be actuated automatically.
  • a drive for example an electrically driven drive, which has a cutting device, e.g. a knife, moved by means of the guide to the roll surface and / or preferably moved in the axial direction along the roll surface.
  • the electric drive can be actuated for example by an operator as soon as the operator determines that it has come to a winding.
  • this guide if it is formed in the form of a slot in a roll 29alenden the cover.
  • the drive is arranged in an upper part of the frame unit.
  • the drive is coupled via a traction means with the driven tension rollers.
  • the traction means is designed as a chain and the tension rollers are driven by sprockets wrapped around the chain.
  • At least one of the draw rollers is associated with a extending over its length and a partial circumference covering part cover.
  • At least one of the tension rollers is associated with an axially extending guide for a cutting device.
  • the guide is designed such that the cutting device by means of the guide to the roll surface and / or preferably in the axial direction ent ⁇ long the roll surface of the tension roller is feasible.
  • the guide is formed by a running in the axial direction of the draw roller gap of the partial cover.
  • the train has at least one of the inlet and / or outlet of the cable ⁇ nende, non-driven inlet and / or outlet roller.
  • the inlet and / or outlet roller is mounted in height adjustable on the frame unit.
  • the inlet and / or outlet roller is mounted on the frame unit via a force measuring system.
  • FIG. 2 shows the course of the cables
  • FIG. 3 shows the drive of the rollers
  • FIG. 4 shows a further embodiment of the train according to the invention
  • FIG. 5 shows a side view of the train of FIG. 4,
  • FIG. 6 shows a partial cover according to the invention of a draw roller
  • FIG. 7 shows a side view of the draw roller with partial cover from FIG. 6.
  • Figure 1 shows a train according to the invention in a perspective view.
  • a common and consisting of four vertical posts together with cross members frame G carries each a non-driven inlet and outlet roller EW, AW and three driven tension rollers ZI, Z2, Z3.
  • the middle of the tension rollers Z2 cooperates with a counter roller GW, which is adjustably mounted at its two ends and is adjustable relative to the tension roller Z2.
  • the adjustment of the counter roll GW to the tension roller Z2 is done by motor or pneumatically by an associated drive GAl, GA2, which engage the bearings of the counter roll GW and thus enables an exact parallel position of the rollers GW, Z2.
  • the filaments F preferably carbon filaments, which are bundled into cables, run into the pulling mechanism via an inlet roller EW.
  • FIG. 2 shows the arrangement of the rollers EW, ZI, Z2, Z3, GE, AW; the conveying direction of the filaments F is indicated by the arrows. This also applies to the other figures.
  • the incoming on the top of the inlet roller EW filaments F are deflected by the inlet roller EW down and run around the first, lying below draw roller ZI. From there, the filaments F bundled into cables run to the above lying draw roller Z2 and through the gap formed with the counter roll GW.
  • the filaments F bundled into cables now run down again to the third drawing roller Z3 and then to the outlet roller AW located at the same height as the inlet roller EW. About this exit roller AW leave the bundled to cables filaments F the train again.
  • the wrapping of the inlet and outlet rollers EW, AW through the filaments F bundled into cables is less than 90 °.
  • the looping of the draw rollers ZI, Z2, Z3 through the bundled filaments F is substantially 180 °. This results in a good transmission of the drive torque of the rollers ZI, Z2, Z3 on the bundled filaments F.
  • FIG. 3 shows the drive of the rollers EW, ZI, Z2, Z3, AW.
  • the draw rollers ZI, Z2, Z3 have sprockets Rl, R2, R3, around which a chain K runs as traction means.
  • the chain K is also guided around a deflection wheel UR and is driven by a drive wheel AR coupled to a drive motor AM.
  • Figures 4 and 5 show a further embodiment of the train according to the invention, which has a total of five driven draw rollers ZI, Z2, Z3, Z4, Z5 between the arranged at different heights and an outlet rollers EW, AW.
  • a cable guide KF is arranged for separating the filaments F bundled into cables.
  • the cable guide KF is a multiplicity of pins mounted on a crosspiece which engage in the group of filaments F like the teeth of a comb and so lead the cables.
  • FIG. 6 shows the partial cover TA according to the invention of a drawing roller, namely of the draw roller Z3 according to the exemplary embodiment as shown in FIG.
  • a shell-shaped sheet-metal part TA surrounding the roll in a partial circumference and adapted to the shape of the roll surface, which has a gap-shaped opening as a guide FTA for a cutting device SV in a central region.
  • the sheet-metal part TA consists of two shell parts which, in the region forming the gap of the guide FTA, have beveled limbs which run parallel to one another.
  • the cutting device SV is a knife and can be manually or automatically movable.
  • the holder of the cutting device SV is not shown.
  • the cutting device can preferably be arranged in the radial direction SR of the roller in the direction of rotation. tion of the roll surface to be moved, wherein the cutting device SV can be guided in the direction of the roll surface by means of the guide FTA.
  • the cutting device SV can be moved in the axial direction of the roller, wherein the cutting device can also be guided with this movement by means of the guide FTA.
  • FIG. 7 is the side view of FIG. 6, but the filaments F are not shown in FIG.
  • the cutting device could also have a length corresponding to the length of the guide FTA. In this case, the cutting device would only have to be moved in the radial direction in the direction of the roll surface.
  • the broken filaments are wound on the draw roll. To remove these from the roller, the filaments must be cut off. For this, the cutting device is used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Forwarding And Storing Of Filamentary Material (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The invention relates to a tensioning unit for a fibre line, and consisting of a number of driven rollers about which the filaments are guided, one of these rollers interacting with an adjusted counter roller, and the filaments running through the roller gap that is formed in this manner. According to the invention, the rollers (Z1, Z2, Z3, Z4, Z5) and their drive (AM) are received in a transportable rack unit (G).

Description

Zugwerk für den Transport von Filamenten  Train for the transport of filaments
Die Erfindung betrifft ein Zugwerk gemäß dem Oberbegriff von Anspruch 1. The invention relates to a train according to the preamble of claim 1.
Zugwerke der gattungsgemäßen Art finden in Faserstraßen zwischen einzelnen Bearbeitungsstationen Anwendung. Durch angetriebene Walzen, um welche die zu Kabeln zusammengefassten Filamente geführt sind, werden die zur Förderung der Filamente nötigen Zugkräfte aufgebracht. Tractors of the generic type are used in fiber lines between individual processing stations application. By driven rollers around which the filaments bundled into cables are guided, the necessary to promote the filaments tensile forces are applied.
Die Erfindung geht somit aus von einem Zugwerk für den Transport von Filamenten, insbesondere Karbonfilamenten, bestehend aus einer Anzahl angetriebener Walzen, um welche die Filamente geführt werden, wobei eine der Walzen mit einer angestellten Gegenwalze zusammenwirkt und die Filamente durch den so gebildeten Walzenspalt laufen. Die Filamente sind Endlosfasern. Ein Strang bzw. ein Bündel aus Filamenten bildet ein Kabel. The invention is therefore based on a train for the transport of filaments, in particular carbon filaments, consisting of a number of driven rollers around which the filaments are guided, wherein one of the rollers cooperates with an employee counter-roller and the filaments run through the nip formed in this way. The filaments are endless fibers. A strand or a bundle of filaments forms a cable.
Aufgabe der vorliegenden Erfindung ist es, eine gattungsgemäße Einrichtung zu verbessern. Object of the present invention is to improve a generic device.
Gelöst wird diese Aufgabe durch die Merkmale des Vorrichtungsanspruches. Vorteilhafte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen. Gemäß der Erfindung ist vorgesehen, dass die Walzen sowie deren Antrieb in einer transportablen Gestelleinheit aufgenommen sind. Dies bietet den Vorteil, dass das Zugwerk bei identischer Konstruktion an einer Vielzahl von Stellen innerhalb einer Faserstraße zum Einsatz kommen kann. Das Zugwerk kann mit einer unterschiedlichen Anzahl von angetriebenen Walzen ausgerüstet sein. Die dem Ein- und den Auslauf dienenden Walzen sind nicht angetrieben. This problem is solved by the features of the device claim. Advantageous developments of the invention will become apparent from the dependent claims. According to the invention, it is provided that the rollers and their drive are accommodated in a transportable frame unit. This offers the advantage that the train can be used with identical construction at a variety of locations within a fiber line. The train may be equipped with a different number of driven rollers. The entry and exit serving rollers are not driven.
Die angetriebenen Walzen werden gemäß einer bevorzugten Ausgestaltung der Erfindung von einem Antrieb über ein Zugmittel (Kette) angetrieben. Der Antrieb umfasst ferner die elektrische Steuerung sowie die Stromversorgung, so dass das erfindungsgemäße Zugwerk nach der mechanischen Installation nur noch an das Netz angeschlossen und mit der Steuerung der Faserstraße verbunden werden muss. Der bevorzugt oben am Gestell angebrachte Antrieb behindert nicht die Zugänglichkeit zu den einzelnen Walzen des Zugwerkes. Alternativ können den angetriebenen Walzen jeweils ein einzelner Motor zugeordnet sein, so dass die Walzen separat voneinander antreibbar sind. Auch können in diesem Fall die einzelnen Motoren separat voneinander gesteuert werden. Die Motoren können beispielsweise dadurch gesteuert werden, dass die Drehmomente der jeweiligen Motoren gesteuert werden. The driven rollers are driven according to a preferred embodiment of the invention by a drive via a traction means (chain). The drive further includes the electrical control and the power supply, so that the train of the invention after the mechanical installation only needs to be connected to the network and connected to the control of the fiber line. The preferably mounted on top of the frame drive does not hinder accessibility to the individual rollers of the train. Alternatively, the driven rollers can each be assigned a single motor, so that the rollers can be driven separately from each other. Also, in this case, the individual motors can be controlled separately. The motors can be controlled, for example, by controlling the torques of the respective motors.
Die nicht angetriebenen Walzen des Ein- und/oder Auslaufes sind bevorzugt in der Höhe verstellbar am Gestell angeordnet, so dass die Höhe des Kabellaufes eingestellt werden kann. Dies ist insbesondere dann von Vorteil, wenn das erfindungsgemäße Zugwerk einem Ofen vor- oder nachgeordnet ist und die zu Kabeln zusammengefassten Filamenten insbesondere Karbonfilamente sind. Derartige Einrichtungen weisen meist sehr schmale Eingangsspalte für die zu behandelnden Kabel auf, durch die Einstellbarkeit des Kabellaufes kann eine Anpassung an die jeweiligen Gegebenheiten erfolgen. The non-driven rollers of the inlet and / or outlet are preferably arranged in height adjustable on the frame, so that the height of the cable run can be adjusted. This is particularly advantageous when the train according to the invention is upstream or downstream of a furnace and the filaments combined into cables are in particular carbon filaments. Such devices usually have very narrow input gaps for the cables to be treated, by the adjustability of the cable run can be made to adapt to the particular circumstances.
Eine weitere Ausgestaltung der Erfindung sieht vor, dass die nicht angetriebene Ein- und/oder Auslaufwalze mit einem Messsystem zur Erfassung der im ein- bzw. auslaufenden Kabel vorliegenden Zugspannung gekoppelt ist. Dies erfolgt beispielsweise durch eine Messdose, welche zwischen Gestell und der Lagerung der jeweiligen Walze angebracht ist. Durch ein so gestaltetes Messsystem kann die vom Kabel auf die Walze ausgeübte Kraft und unter Berücksichtigung der Laufrichtungen die im Kabel herrschende Zugkraft ermittelt werden. Diese Werte dienen der Überwachung des Betriebes und insbesondere zur Vermeidung zu ho¬ her Spannungen während des Hochfahrens der Anlage, da hier die hintereinander geschalteten Anlagenteile in der Geschwindigkeit aufeinander abgestimmt zu betreiben sind. Dies hat den Vorteil, dass Filamentrisse vermieden werden. A further embodiment of the invention provides that the non-driven input and / or output roller is coupled to a measuring system for detecting the tension present in the incoming or outgoing cable. This is done for example by a load cell, which is mounted between the frame and the storage of the respective roller. A measuring system designed in this way allows the force exerted by the cable on the roller to be taken into account Running directions are determined in the cable traction. These values are used to monitor the operation and in particular to avoid too high voltages during the startup of the system, since here the system parts connected in series are to be operated in a coordinated manner with respect to each other in their speed. This has the advantage that filmmentrisse be avoided.
Eine andere bevorzugte Ausgestaltung der Erfindung sieht vor, dass zumindest eine der angetriebenen Zugwalzen zumindest teilweise verschalt ist, also mit einer die Walzenoberfläche zumindest in einem Teilumfangsbereich umgebenden Abdeckung versehen ist. Eine Zugwalze ist eine Walze des Zugwerks. Die schalenförmigen Abdeckungen dienen dem Personenschutz und verhindern eine Gefährdung durch einlaufende Spalte, insbesondere im Bereich zwischen dem auf eine Zugwalze zulaufenden Kabel und der entsprechend rotierenden Walzenoberfläche. Another preferred embodiment of the invention provides that at least one of the driven pull rolls is at least partially connected, that is to say provided with a cover surrounding the roll surface at least in a partial circumferential region. A draw roller is a roller of the train. The cup-shaped covers serve to protect people and prevent hazards due to incoming column, especially in the area between the running on a draw roller cable and the corresponding rotating roller surface.
Die Abdeckung ist vorzugsweise in dem Teilumfang der Walzenoberfläche der Zugwalze zugeordnet, um den die in Kabeln zusammengefassten Filamente im normalen Betrieb nicht geschlungen sind. Im normalen Betrieb bedeutet, dass kein Filamentriss vorliegt. Im Falle eines Filamentrisses wickeln sich die abgerissenen Filamente um die Walze bzw. die Walzen und in diesem Fall ist auch der Teilumfang der Walzenoberfläche der Walze mit den Kabeln umschlungen, bei dem die Abdeckung angeordnet ist. The cover is preferably associated in the partial circumference of the roller surface of the tension roller, around which the filaments bundled in cables are not wound in normal operation. In normal operation means that there is no Filamentriss. In the case of a filament tear, the torn off filaments wrap around the roll (s) and, in this case, also the partial circumference of the roll surface of the roll is wrapped with the cables in which the cover is arranged.
Im Falle eines Wickels, also wenn in dem Kabel Filamente reißen und sich fortlaufend um die rotierende Walze schlingen, muss das Zugwerk stillgesetzt und der um die Walze gewickelte Kabelstrang entfernt werden. Dies erfolgt üblicherweise mit einem Messer, welches von einer Bedienperson in Achsrichtung über die Walzenoberfläche gezogen wird. In the case of a roll, that is, when tearing filaments in the cable and looping continuously around the rotating roller, the tension train must be stopped and the cable strand wound around the roller must be removed. This is usually done with a knife, which is pulled by an operator in the axial direction over the roll surface.
Bei einer Walzenbreite von zwei oder mehr Metern ist dies nur noch sehr umständlich möglich. Die Bedienperson muss sich innerhalb des Gestellbereiches zu einer geeigneten Position begeben und den gewickelten Kabelstrang durchtrennen. Hier schafft eine weitere Ausgestaltung der Erfindung Abhilfe, welche eine in Achsrichtung der jeweiligen Walze und parallel zu dieser verlaufenden Führung für eine Schneidvorrichtung vorsieht. Die Führung ist derart ausgebildet, dass die Schneidvorrichtung mithilfe der Führung zu der Walzenoberfläche der Walze führbar und/oder vorzugsweise in axialer Richtung entlang der Walzenoberfläche der Walze führbar ist. With a roll width of two or more meters, this is only possible with great difficulty. The operator must move within the rack area to an appropriate position and sever the wound wire harness. Here, a further embodiment of the invention provides a remedy, which provides a running in the axial direction of the respective roller and parallel to this guide for a cutting device. The leadership is designed so that the Cutting device by means of the guide to the roll surface of the roll guide and / or preferably in the axial direction along the roll surface of the roll is feasible.
Bei der Schneidvorrichtung handelt es sich beispielsweise um ein an einer Verlängerung angebrachtes Messer, welches von der Bedienperson entlang der Führung über die Walzenoberfläche der Walze gezogen wird. In diesem Fall wird die Schneidvorrichtung manuell bewegt. Alternativ kann die Schneidvorrichtung jedoch auch automatisch betätigt werden. Es kann ein Antrieb, beispielsweise ein elektrisch angetriebener Antrieb, vorgesehen sein, der eine Schneidvorrichtung, z.B. ein Messer, mit Hilfe der Führung zu der Walzenoberfläche hinbewegt und/oder vorzugsweise in axialer Richtung entlang der Walzenoberfläche bewegt. Der elektrische Antrieb kann beispielsweise durch eine Bedienperson betätigt werden, sobald die Bedienperson feststellt, dass es zu einem Wickel gekommen ist. The cutting device is, for example, a knife attached to an extension, which is pulled by the operator along the guide over the roll surface of the roll. In this case, the cutting device is moved manually. Alternatively, however, the cutting device can also be actuated automatically. There may be provided a drive, for example an electrically driven drive, which has a cutting device, e.g. a knife, moved by means of the guide to the roll surface and / or preferably moved in the axial direction along the roll surface. The electric drive can be actuated for example by an operator as soon as the operator determines that it has come to a winding.
Bevorzugt gestaltet sich diese Führung, wenn sie in Form eines Schlitzes in einer die Walze verschalenden Abdeckung ausgebildet ist. Preferably, this guide, if it is formed in the form of a slot in a roll verschalenden the cover.
Zusammenfassend sind als Weiterbildungen der Erfindung vorgesehen : In summary, the following developments of the invention are provided:
- der Antrieb ist in einem oberen Teil der Gestelleinheit angeordnet. - The drive is arranged in an upper part of the frame unit.
- der Antrieb ist über ein Zugmittel mit den angetriebenen Zugwalzen gekoppelt. - The drive is coupled via a traction means with the driven tension rollers.
- das Zugmittel ist als Kette ausgebildet und die Zugwalzen werden über von der Kette umschlungene Kettenräder angetrieben. - The traction means is designed as a chain and the tension rollers are driven by sprockets wrapped around the chain.
- zumindest einer der Zugwalzen ist eine sich über ihre Länge erstreckende und einen Teilumfang abdeckende Teilabdeckung zugeordnet. - At least one of the draw rollers is associated with a extending over its length and a partial circumference covering part cover.
- zumindest einer der Zugwalzen ist eine sich in Achsrichtung erstreckende Führung für eine Schneidvorrichtung zugeordnet. - die Führung ist derart ausgebildet, dass die Schneidvorrichtung mithilfe der Führung zu der Walzenoberfläche und/oder vorzugsweise in axialer Richtung ent¬ lang der Walzenoberfläche der Zugwalze führbar ist. - At least one of the tension rollers is associated with an axially extending guide for a cutting device. - The guide is designed such that the cutting device by means of the guide to the roll surface and / or preferably in the axial direction ent ¬ long the roll surface of the tension roller is feasible.
- die Führung ist durch einen in Achsrichtung der Zugwalze verlaufenden Spalt der Teilabdeckung gebildet. - The guide is formed by a running in the axial direction of the draw roller gap of the partial cover.
- das Zugwerk weist wenigstens eine dem Ein- und/oder Auslauf des Kabels die¬ nende, nicht angetriebene Ein- und/oder Auslaufwalze auf. - The train has at least one of the inlet and / or outlet of the cable ¬ nende, non-driven inlet and / or outlet roller.
- die Ein- und/oder Auslaufwalze ist in der Höhe verstellbar an der Gestelleinheit angebracht. - The inlet and / or outlet roller is mounted in height adjustable on the frame unit.
- die Ein- und/oder Auslaufwalze ist über ein Kraftmesssystem an der Gestelleinheit angebracht. - The inlet and / or outlet roller is mounted on the frame unit via a force measuring system.
Des Weiteren erfolgt die Erläuterung von Ausführungsbeispielen anhand der Zeichnungen. Furthermore, the explanation of exemplary embodiments with reference to the drawings.
Es zeigen schematisch It show schematically
Figur 1 ein Zugwerk nach der Erfindung in perspektivischer Darstellung Figur 2 den Verlauf der Kabel, Figur 3 den Antrieb der Walzen, 2 shows the course of the cables, FIG. 3 shows the drive of the rollers, FIG.
Figur 4 eine weitere Ausgestaltung des erfindungsgemäßen Zugwerkes, Figur 5 eine Seitenansicht des Zugwerks aus Figur 4, 4 shows a further embodiment of the train according to the invention, FIG. 5 shows a side view of the train of FIG. 4,
Figur 6 eine erfindungsgemäße Teilabdeckung einer Zugwalze, FIG. 6 shows a partial cover according to the invention of a draw roller,
Figur 7 eine Seitenansicht der Zugwalze mit Teilabdeckung aus Figur 6. Figur 1 zeigt ein Zugwerk nach der Erfindung in perspektivischer Darstellung. Ein gemeinsames und aus vier vertikalen Pfosten nebst Querträgern bestehendes Gestell G trägt je eine nicht angetriebene Ein- und Auslaufwalze EW, AW sowie drei angetriebene Zugwalzen ZI, Z2, Z3. Die mittlere der Zugwalzen Z2 wirkt mit einer Gegenwalze GW zusammen, welche an ihren beiden Enden verstellbar gelagert ist und so gegenüber der Zugwalze Z2 einstellbar ist. Die Verstellung der Gegenwalze GW zu der Zugwalze Z2 erfolgt motorisch oder pneumatisch durch je einen zugeordneten Antrieb GAl, GA2, welche an die Lagerungen der Gegenwalze GW angreifen und so eine exakte Parallelstellung der Walzen GW, Z2 ermöglicht. FIG. 7 shows a side view of the draw roller with partial cover from FIG. 6. Figure 1 shows a train according to the invention in a perspective view. A common and consisting of four vertical posts together with cross members frame G carries each a non-driven inlet and outlet roller EW, AW and three driven tension rollers ZI, Z2, Z3. The middle of the tension rollers Z2 cooperates with a counter roller GW, which is adjustably mounted at its two ends and is adjustable relative to the tension roller Z2. The adjustment of the counter roll GW to the tension roller Z2 is done by motor or pneumatically by an associated drive GAl, GA2, which engage the bearings of the counter roll GW and thus enables an exact parallel position of the rollers GW, Z2.
Wie in der Figur 2 gezeigt, laufen die zu Kabeln gebündelten Filamente F, vorzugsweise Karbonfilamente, über eine Einlaufwalze EW in das Zugwerk ein. Figur 2 zeigt dabei die Anordnung der Walzen EW, ZI, Z2, Z3, GE, AW; die Förderrichtung der Filamente F ist mit den Pfeilen gekennzeichnet. Dies gilt auch für die weiteren Figuren. Die auf der Oberseite der Einlaufwalze EW einlaufenden Filamente F werden durch die Einlaufwalze EW nach unten abgelenkt und laufen um die erste, untenliegende Zugwalze ZI. Von dort laufen die zu Kabeln gebündelten Filamente F zu der oberhalb liegenden Zugwalze Z2 und durch den mit der Gegenwalze GW gebildeten Spalt. Die zu Kabeln gebündelten Filamente F laufen nun wieder abwärts zu der dritten Zugwalze Z3 und danach zu der sich auf der gleichen Höhe wie die Einlaufwalze EW befindenden Auslaufwalze AW. Über diese Auslaufwalze AW verlassen die zu Kabeln gebündelten Filamente F das Zugwerk wieder. As shown in FIG. 2, the filaments F, preferably carbon filaments, which are bundled into cables, run into the pulling mechanism via an inlet roller EW. FIG. 2 shows the arrangement of the rollers EW, ZI, Z2, Z3, GE, AW; the conveying direction of the filaments F is indicated by the arrows. This also applies to the other figures. The incoming on the top of the inlet roller EW filaments F are deflected by the inlet roller EW down and run around the first, lying below draw roller ZI. From there, the filaments F bundled into cables run to the above lying draw roller Z2 and through the gap formed with the counter roll GW. The filaments F bundled into cables now run down again to the third drawing roller Z3 and then to the outlet roller AW located at the same height as the inlet roller EW. About this exit roller AW leave the bundled to cables filaments F the train again.
Die Umschlingung der Einlauf- und der Auslaufwalze EW, AW durch die zu Kabeln gebündelten Filamente F beträgt weniger als 90°. Die Umschlingung der Zugwalzen ZI, Z2, Z3 durch die zu Kabeln gebündelten Filamente F beträgt im Wesentlichen 180°. Dadurch ergibt sich eine gute Übertragung des Antriebsmomentes der Walzen ZI, Z2, Z3 auf die zu Kabeln gebündelten Filamente F. The wrapping of the inlet and outlet rollers EW, AW through the filaments F bundled into cables is less than 90 °. The looping of the draw rollers ZI, Z2, Z3 through the bundled filaments F is substantially 180 °. This results in a good transmission of the drive torque of the rollers ZI, Z2, Z3 on the bundled filaments F.
Gemäß der Darstellung in Figur 1 und 2 ist die Anordnung der Walzen EW, ZI, Z2, Z3, AW symmetrisch zueinander, was eine hohe Variabilität im Aufstellen des Zugwerkes innerhalb einer Faserstraße ergibt. Mehrere Zugwerke eines Typs können somit an verschiedenen Positionen der Faserstraße installiert werden, so z.B. zwischen den Oxidationsöfen einer Karbonfaseranlage. Über Verankerungen an den Pfosten des Gestells G wird das Zugwerk in der vorgesehenen Position am Boden fixiert. Das Gestell G bzw. die Gestelleinheit ist transportabel. As shown in Figures 1 and 2, the arrangement of the rollers EW, ZI, Z2, Z3, AW symmetrical to each other, resulting in a high variability in setting up the train within a fiber strand. Several trains of one type can thus be installed at different positions of the fiber line, for example between the oxidation furnaces of a carbon fiber plant. About anchors to the posts of the frame G, the train is fixed in the intended position on the ground. The frame G or the frame unit is transportable.
Figur 3 zeigt den Antrieb der Walzen EW, ZI, Z2, Z3, AW. An einer Seite weisen die Zugwalzen ZI, Z2, Z3 Kettenräder Rl, R2, R3 auf, um welche eine Kette K als Zugmittel läuft. Die Kette K ist ferner um ein Umlenkrad UR geführt und wird von einem mit einem Antriebsmotor AM gekoppelten Antriebsrad AR getrieben. FIG. 3 shows the drive of the rollers EW, ZI, Z2, Z3, AW. On one side, the draw rollers ZI, Z2, Z3 have sprockets Rl, R2, R3, around which a chain K runs as traction means. The chain K is also guided around a deflection wheel UR and is driven by a drive wheel AR coupled to a drive motor AM.
Die Figuren 4 und 5 zeigen eine weitere Ausgestaltung des erfindungsgemäßen Zugwerkes, welches zwischen den auf unterschiedlicher Höhe angeordneten Ein- und einer Auslaufwalzen EW, AW insgesamt fünf angetriebene Zugwalzen ZI, Z2, Z3, Z4, Z5 aufweist. Figures 4 and 5 show a further embodiment of the train according to the invention, which has a total of five driven draw rollers ZI, Z2, Z3, Z4, Z5 between the arranged at different heights and an outlet rollers EW, AW.
Im Bereich der Auslaufwalze AW ist ein Kabelführer KF zum Trennen der zu Kabeln gebündelten Filamente F angeordnet.. Bei dem Kabelführer KF handelt es sich um eine Vielzahl an einer Traverse angebrachter Stifte, welche wie die Zinken eines Kammes in die Schar der Filamente F eingreifen und so die Kabel führen. In the area of the outlet roll AW, a cable guide KF is arranged for separating the filaments F bundled into cables. The cable guide KF is a multiplicity of pins mounted on a crosspiece which engage in the group of filaments F like the teeth of a comb and so lead the cables.
Figur 6 zeigt die erfindungsgemäße Teilabdeckung TA einer Zugwalze, und zwar der Zugwalze Z3 gemäß dem Ausführungsbeispiel wie in Figur 1 dargestellt. Über die gesamte Breite der Zugwalze Z3 erstreckt sich ein die Walze in einem Teilumfang umgebendes, der Form der Walzenoberfläche angepasstes, schalenförmiges Blechteil TA, welches in einem mittigen Bereich eine spaltförmige Öffnung als Führung FTA für eine Schneidvorrichtung SV aufweist. Das Blechteil TA besteht aus zwei Schalenteilen, welche in dem den Spalt der Führung FTA bildenden Bereich abgekantete Schenkel aufweisen, welche parallel zueinander verlaufen. FIG. 6 shows the partial cover TA according to the invention of a drawing roller, namely of the draw roller Z3 according to the exemplary embodiment as shown in FIG. Extending over the entire width of the draw roller Z3 is a shell-shaped sheet-metal part TA surrounding the roll in a partial circumference and adapted to the shape of the roll surface, which has a gap-shaped opening as a guide FTA for a cutting device SV in a central region. The sheet-metal part TA consists of two shell parts which, in the region forming the gap of the guide FTA, have beveled limbs which run parallel to one another.
Die Schneidvorrichtung SV ist ein Messer und kann manuell oder automatisch bewegbar sein. Die Halterung der Schneidvorrichtung SV ist nicht dargestellt. Die Schneidvorrichtung kann vorzugsweise in radialer Richtung SR der Walze in Rieh- tung der Walzenoberfläche bewegt werden, wobei die Schneidvorrichtung SV in Richtung der Walzenoberfläche mithilfe der Führung FTA führbar ist. The cutting device SV is a knife and can be manually or automatically movable. The holder of the cutting device SV is not shown. The cutting device can preferably be arranged in the radial direction SR of the roller in the direction of rotation. tion of the roll surface to be moved, wherein the cutting device SV can be guided in the direction of the roll surface by means of the guide FTA.
Ferner kann die Schneidvorrichtung SV, wie aus Figur 7 hervorgeht in axialer Richtung der Walze bewegt werden, wobei die Schneidvorrichtung auch bei dieser Bewegung mithilfe der Führung FTA führbar ist. Figur 7 ist die Seitenansicht der Figur 6, allerdings sind in Figur 7 die Filamente F nicht dargestellt. Alternativ könnte die Schneidvorrichtung auch eine Länge aufweisen, die der Länge der Führung FTA entspricht. In diesem Fall müsste die Schneidvorrichtung nur in radialer Richtung in Richtung der Walzenoberfläche bewegt werden. Furthermore, as can be seen from FIG. 7, the cutting device SV can be moved in the axial direction of the roller, wherein the cutting device can also be guided with this movement by means of the guide FTA. FIG. 7 is the side view of FIG. 6, but the filaments F are not shown in FIG. Alternatively, the cutting device could also have a length corresponding to the length of the guide FTA. In this case, the cutting device would only have to be moved in the radial direction in the direction of the roll surface.
Wenn es im Betrieb zu Filamentrissen kommt, werden die abgerissenen Filamente auf der Zugwalze aufgewickelt. Um diese wieder von der Walze zu entfernen, müssen die Filamente abgeschnitten werden. Dafür wird die Schneidvorrichtung verwendet. When film breaks occur during operation, the broken filaments are wound on the draw roll. To remove these from the roller, the filaments must be cut off. For this, the cutting device is used.
Bezugszeichenliste: LIST OF REFERENCE NUMBERS
G Gestell, Pfosten, Querträger G frame, posts, cross member
EW Einlaufwalze  EW infeed roller
AW Auslaufwalze  AW outlet roller
ZI Zugwalze  ZI pull roller
Z2 Zugwalze  Z2 tension roller
Z3 Zugwalze  Z3 draw roller
Z4 Zugwalze  Z4 tension roller
Z5 Zugwalze  Z5 draw roller
F Filamente, Kabel  F filaments, cables
GW Gegenwalze (zu Zugwalze Z2 bzw. Ζ· GW counter roller (to pull roller Z2 or Ζ ·
GA1, GA2 Antrieb Verstellung Gegenwalze GWGA1, GA2 Drive adjustment Counter roller GW
AM Antriebsmotor AM drive motor
K Kette  K chain
AR Antriebsrad  AR drive wheel
UR Umlenkrad  UR diverter wheel
Rl Kettenrad Zugwalze ZI  Rl sprocket draw roller ZI
R2 Kettenrad Zugwalze Z2  R2 sprocket pull roller Z2
R3 Kettenrad Zugwalze Z3  R3 sprocket pull roller Z3
R4 Kettenrad Zugwalze Z4  R4 sprocket pull roller Z4
R5 Kettenrad Zugwalze Z5  R5 sprocket draw roller Z5
KF Kabelführung  KF cable routing
TA Teilabdeckung (Zugwalze), Blechteil TA partial cover (draw roller), sheet metal part
FTA Führung, Spalt in TeilabdeckungFTA guide, split in partial cover
SV Schneidvorrichtung SV cutting device
SR radiale Richtung  SR radial direction
SA axiale Richtung  SA axial direction

Claims

Ansprüche claims
1. Zugwerk für den Transport von Filamenten, bestehend aus einer Anzahl angetriebener Walzen, um welche die Filamente geführt werden, wobei eine der Walzen mit einer angestellten Gegenwalze zusammenwirkt und die Filamente durch den so gebildeten Walzenspalt laufen, dadurch gekennzeichnet, dass die Walzen (ZI, Z2, Z3, Z4, Z5) sowie deren Antrieb (AM) in einer transportablen Gestelleinheit (G) aufgenommen sind. 1. A train for the transport of filaments, consisting of a number of driven rollers around which the filaments are guided, one of the rollers cooperates with an employee counter-roller and the filaments run through the nip formed, characterized in that the rollers (ZI , Z2, Z3, Z4, Z5) and their drive (AM) are accommodated in a transportable frame unit (G).
2. Zugwerk nach Anspruch 1, dadurch gekennzeichnet, dass der Antrieb (AM) in einem oberen Teil der Gestelleinheit (G) angeordnet ist. 2. Zugwerk according to claim 1, characterized in that the drive (AM) in an upper part of the frame unit (G) is arranged.
3. Zugwerk nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Antrieb über ein Zugmittel (K) mit den angetriebenen Zugwalzen (ZI, Z2, Z3, Z4, Z5) gekoppelt ist 3. Zugwerk according to claim 1 or 2, characterized in that the drive via a traction means (K) with the driven tension rollers (ZI, Z2, Z3, Z4, Z5) is coupled
4. Zugwerk nach Anspruch 3, dadurch gekennzeichnet, dass das Zugmittel als Kette (K) ausgebildet ist und die Zugwalzen (ZI, Z2, Z3, Z4, Z5) über von der Kette umschlungene Kettenräder (Rl, R2, R3, R4, R5) angetrieben sind. 4. Zugwerk according to claim 3, characterized in that the traction means is designed as a chain (K) and the draw rollers (ZI, Z2, Z3, Z4, Z5) by the chain looped sprockets (Rl, R2, R3, R4, R5 ) are driven.
5. Zugwerk nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zumindest einer der Zugwalzen (ZI, Z2, Z3, Z4, Z5) eine sich über ihre Länge erstreckende und einen Teilumfang abdeckende Teilabdeckung (TA) zugeordnet ist. 5. Zugwerk according to any one of the preceding claims, characterized in that at least one of the draw rollers (ZI, Z2, Z3, Z4, Z5) is associated with a extending over its length and a partial circumference covering part cover (TA).
6. Zugwerk nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zumindest einer der Zugwalzen (ZI, Z2, Z3, Z4, Z5) eine sich in Achsrichtung erstreckende Führung (FTA) für eine Schneidvorrichtung zugeordnet ist. 6. Train according to one of the preceding claims, characterized in that at least one of the draw rollers (ZI, Z2, Z3, Z4, Z5) is associated with an axially extending guide (FTA) for a cutting device.
7. Zugwerk nach Anspruch 5 und 6, dadurch gekennzeichnet, dass die Füh- rung (FTA) derart ausgebildet ist, dass die Schneidvorrichtung mithilfe der Führung zu und/oder vorzugsweise in axialer Richtung entlang der Walzenoberfläche der Zugwalze führbar ist. 7. Zugwerk according to claim 5 and 6, characterized in that the Füh- tion (FTA) is formed such that the cutting device by means of the guide to and / or preferably in the axial direction along the roll surface of the tension roller is feasible.
8. Zugwerk nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass die Führung (FTA) durch einen in Achsrichtung der Zugwalze (ZI, Z2, Z3, Z4, Z5) verlaufenden Spalt der Teilabdeckung (TA) gebildet ist. 8. Zugwerk according to one of claims 5 to 7, characterized in that the guide (FTA) by a in the axial direction of the draw roller (ZI, Z2, Z3, Z4, Z5) extending gap of the partial cover (TA) is formed.
9. Zugwerk nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Zugwerk wenigstens eine dem Ein- und/oder Auslauf des Kabels (F) dienende, nicht angetriebene Ein- und/oder Auslaufwalze (EW, AW) aufweist. 9. Zugwerk according to any one of the preceding claims, characterized in that the train has at least one input and / or outlet of the cable (F) serving, non-driven input and / or outlet roller (EW, AW).
10. Zugwerk nach Anspruch 8, dadurch gekennzeichnet, dass die Ein- und/oder Auslaufwalze (EW, AW) in der Höhe verstellbar an der Gestelleinheit (G) angebracht ist. 10. Zugwerk according to claim 8, characterized in that the input and / or outlet roller (EW, AW) in height adjustable on the frame unit (G) is mounted.
11. Zugwerk nach Anspruch 8, dadurch gekennzeichnet, dass die Ein- und/oder Auslaufwalze (EW, AW) über ein Kraftmesssystem an der Gestelleinheit (G) angebracht ist. 11. Zugwerk according to claim 8, characterized in that the input and / or outlet roller (EW, AW) via a force measuring system to the frame unit (G) is mounted.
EP12725804.4A 2011-06-11 2012-06-06 Tensioning unit for transporting filaments Not-in-force EP2718215B1 (en)

Applications Claiming Priority (2)

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DE102011104100 2011-06-11
PCT/EP2012/060689 WO2012171836A1 (en) 2011-06-11 2012-06-06 Tensioning unit for transporting filaments

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