EP0569647B1 - Verteil- und Durchlaufbandumspinnungsanlage zur Herstellung elektrischer Kabel und auf diese Weise erhaltene Kabel - Google Patents

Verteil- und Durchlaufbandumspinnungsanlage zur Herstellung elektrischer Kabel und auf diese Weise erhaltene Kabel Download PDF

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Publication number
EP0569647B1
EP0569647B1 EP92401319A EP92401319A EP0569647B1 EP 0569647 B1 EP0569647 B1 EP 0569647B1 EP 92401319 A EP92401319 A EP 92401319A EP 92401319 A EP92401319 A EP 92401319A EP 0569647 B1 EP0569647 B1 EP 0569647B1
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EP
European Patent Office
Prior art keywords
tape
strand
wrapping
station
installation according
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.)
Expired - Lifetime
Application number
EP92401319A
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English (en)
French (fr)
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EP0569647A1 (de
Inventor
Christophe Jean Bernard Cholley
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FILECA
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FILECA
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Priority to DE69211681T priority Critical patent/DE69211681D1/de
Priority to AT92401319T priority patent/ATE139646T1/de
Publication of EP0569647A1 publication Critical patent/EP0569647A1/de
Application granted granted Critical
Publication of EP0569647B1 publication Critical patent/EP0569647B1/de
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Classifications

    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
    • D07B7/02—Machine details; Auxiliary devices
    • D07B7/14—Machine details; Auxiliary devices for coating or wrapping ropes, cables, or component strands thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/08—Insulating conductors or cables by winding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/08—Insulating conductors or cables by winding
    • H01B13/0883—Pretreatment
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2083—Jackets or coverings
    • D07B2201/2088—Jackets or coverings having multiple layers
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2083—Jackets or coverings
    • D07B2201/2089—Jackets or coverings comprising wrapped structures

Definitions

  • cabling and taping installations industrially use two main methods for obtaining cables insulated by taping used industrially.
  • the most common method consists in presenting a linear strand, without rotation, a strand, already formed by other means, in a rotary taping head.
  • the combination of the two movements allows the helical laying of the ribbon on the strand.
  • the production of successive layers is possible by chain mounting the tape assemblies or by placing each layer in recovery. There is a limitation to productivity due to successive operations (wiring then tape) and especially to the limited speed of rotation of the tape heads.
  • the wiring installation according to patent FR 88 11 396 comprises a stranding station providing a strand of elementary strands along a travel and rotation axis defining the general direction of travel in the installation. Following the stranding station there is a taping station which rotates around the strand in the opposite direction to the strand to lay a first ribbon. Following this taping station, a second taping station is provided for depositing a tape in the opposite direction from the first tape.
  • This second taping station is a reverse taping station very schematically comprising an external assembly rotatable with respect to the general axis and provided with means for guiding the cable upstream and downstream of the taping to be carried out with an inlet and an outlet arranged according to the general direction of circulation of the cable in the installation as well as an interior assembly, rotatable with respect to the general axis independently of the exterior assembly; this interior assembly comprises a taping means the entry and exit of the cable of which are placed in the opposite direction to the general direction of travel of the cable in the installation.
  • the patent FR 89 05 200 relates to a stranding machine formed by a first sub-assembly in rotation relative to a second sub-assembly around the axis of the wiring installation.
  • the second sub-assembly is provided with the coils loaded with the wiring elements which are guided and stranded in a stranding die in a direction of travel opposite to the overall direction of travel of the installation to travel a path back to the inside the first sub-assembly and exit from it in the general direction of travel in the installation.
  • the installation which is the subject of document FR 89 05 200 can be mounted at the head of the installation described in patent FR 88 11 396 to enhance it by completely constituting the strand at the head of the machine.
  • the strand can then be produced in alternating layers and there is then a completely integrated installation making it possible to produce multi-strand wires isolated by tape from elementary constituents: elementary wires and ribbons, in a single operation.
  • the present invention aims to develop the facilities mentioned above to simplify them and make it possible to improve the laying accuracy of certain tapes.
  • This installation has a very simple structure making it possible to tape very fragile materials with extreme precision such as, for example, polytetrafluoroethylene (PTFE) ribbons with a thickness of 50 micrometers.
  • PTFE polytetrafluoroethylene
  • the fixed mounting of a taping station eliminates the need for a reserve of tape, coaxial with the strand (as in the mobile taping station).
  • the splicing is thus easier to carry out, it does not involve forced cuts on the finished wire.
  • Another advantage is that it becomes easy to keep the ribbons at the optimum temperature.
  • the installation comprises a second station of fixed taping unwinding on the cable a ribbon according to a winding direction identical to the direction of the strand, the first and the second fixed station being located on either side of the station. mobile tape.
  • the mobile taping station is a reverse taping station formed of an outer part and an inner part, both coaxial with the axis of the installation and the strand circulating first in the outer part before crossing the inner part, along the axis but in the opposite direction to the direction of circulation of the strand on the other parts of the axis, to receive the ribbon, the rotational movement of the outer part being opposite in the direction of rotation of the strand (cable).
  • At least one of the stationary taping stations consists of an assembly formed by a driven supply coil, connected to the taping point by means of a setting means. voltage.
  • the tensioning means comprises a control device for determining the actual voltage, comparing it with a set value and, starting from the difference signal, controlling the motor of the supply coil. .
  • the assembly formed by the power supply and the voltage control means is pivotable relative to the taping point to adjust the taping angle.
  • the tensioning and tension detection means is constituted by a ribbon loop formed by two fixed rollers and a variable return roller forming a loop path of variable length for the ribbon and whose length is detected to control the motor of the mobile power supply.
  • the means for tensioning and detecting the real tension of the ribbon at the time of ribboning comprises an arm carrying the idler roller over which passes a loop of the ribbon between the two fixed rollers, arm being provided with a tension adjustment counterweight and a pivoting detector with respect to a fixed point.
  • the stationary taping station consists of a stationary tape supply device, providing a ribbon at a voltage controlled by a set voltage, at least one return member for adjusting the orientation, and thus the ribbon angle, of the ribbon relative to the strand.
  • the return member is an orientable finger which ensures the return of the ribbon, cooperating with two guide and stop members retaining the cable during taping.
  • the taping stations include a means for regulating the temperature of the tape.
  • the invention also relates to the cables made using this installation.
  • such a cable is characterized in that it comprises at least one layer of insulating tape in the same direction as the strand and a layer of opposite direction.
  • the cable comprises at least two layers of tape in the same direction and the same pitch as the outer layer of the strand, with an intermediate layer of opposite direction, the layers of the same direction having exactly the same pitch. , if necessary identical to that of the strand.
  • the installation of in-line wiring and tape for the production of insulated cables comprises a stranding machine 1 which is only represented schematically by the three strands or elementary strands 101, 102, 103 meeting at the level of the stranding 4.
  • a stranding control device 2 very schematically composed of two rollers 105, 106 of input and output and an intermediate roller 107.
  • the roller 107 is offset with respect to the geometric axis of the machine and the equipment formed by the rollers 105, 106, 107 rotates around the axis in synchronism with the stranding, so as to block the strand.
  • the entire installation refers to the geometric axis XX which crosses the installation from the stranding machine 1 to the receiving means 6.
  • the various means of the installation are aligned on this axis XX which corresponds to the path followed by the strand transforming by successive taping into a cable.
  • a first stationary taping station, 3 represented schematically by a rectangle 108 and a strip 109 which joins the strand 110 at the taping point 111. It should be noted that the strand 110 rotates in a certain direction and that the strip 109 is taped around it in a taping direction identical to the stranding direction.
  • this taping station 4 Downstream of the stationary taping station or first taping station is a mobile taping station 4 which performs taping in the opposite direction to the taping formed by the station 3.
  • This taping station 4 is represented in the form of a reverse tape.
  • this station 4 which constitutes only one particular and interesting embodiment example of a taping station, consists of an exterior assembly 112 and an interior assembly 113, the exterior assembly 112 is a cage rotating around the axis XX while being driven by means not shown.
  • the strand 114 passes into the exterior assembly 112 of the station 4, first on the input pulley 115, on two return pulleys 116, 117 then a pulley 118 for input into the second part 113 of station 4.
  • This second part 113 rotates relatively opposite with respect to the part 112.
  • the part 113 is immobile in space and the part 112 rotates around the latter and around the axis XX.
  • the strand 114 circulates inside the station 113 in the opposite direction to the general direction of travel of the strand along the axis XX.
  • the ribbon is banded around the strand 114 in the opposite direction to the direction of banding made by the stationary station 3.
  • the strand 119 passes over an output pulley 120 then two return pulleys 121, 122 and an output pulley 123 for join the axis XX.
  • the different pulleys mentioned above all rotate with the exterior assembly 112 as indicated by the arrow C.
  • the installation Downstream of the mobile taping station 4, the installation includes a fixed taping station 5 similar to station 3; it is represented schematically by a rectangle 124 providing a ribbon 125 at the appropriate tension along the angle of taping B, at the taping point 126. This results in the stranded cable 127 which passes through the receiving means 6 rotating in synchronism around the axis XX to be wound in synchronism with the cage 112 and the devices 1 and 2.
  • Figures 2 and 3 show a first embodiment of a stationary taping station; this is for example item 3.
  • Figure 2 is a very schematic end view showing the strand 110 in the form of a circle; the strand rotates in the direction of the circular arrow R.
  • the strip 109 arrives on the strand at the taping point 111.
  • This strip 109 is supplied with a feed roller 301 carried by an axis 302 connected to a motor 303.
  • the motor is controlled by a control circuit 304 to adjust the tension of the ribbon.
  • the taping station includes a tape tensioning means composed of a first pulley 305, a second pulley 306 and an intermediate pulley 307 forming a movable block; in this example the pulley 307 is free in vertical movement and forms a loop of tape 308.
  • the pulley 307 is subjected to a weight 309.
  • the pulley 306 is provided with a tachometer detector 310.
  • the position of the pulley 307 is detected by a detector 311 which transmits the detection signal to the circuit 304 and the latter controls the
  • the control circuit 304 receives the signal from the tachometer detector 310 and data concerning the ribbon (its dimensions, its density) as well as data relating to the supply coil 301, as well as the law of variation of the moment of inertia of the spool depending on the residual amount of tape on the spool. These signals are introduced into the circuit 304 as shown by the arrow 312, this system makes it possible to regulate, according to a first approximation, the tension of the strip 109 by controlling the angular speed of the motor 303 so that it is proportional to the pulley altitude 307.
  • This method is possible when it is possible to have a large vertical stroke for the free pulley 307 because it is necessary to ensure the operating stability of the taping station regardless of the tape running speed and the diameter of the supply reel 301 which provides the ribbon.
  • FIG. 2 Under the conditions of precision set out above, if it is admitted that the return pulley 307 occupies a fixed position, the device represented in FIG. 2 can be simplified by that of FIG. 4 which is a modified extract thereof.
  • the "movable" pulley 307 which in fact retains a position that is very little variable, is carried by a lever arm 313 pivotally mounted around a pivot 314 constituted by an axis 315 connected to an angle detector 316.
  • the lever 313 also comprises a counterweight 314 adjustable along the lever as indicated by the double arrow C. By modifying the position of the counterweight 314 it is thus possible to modify the tension exerted by the pulley 307 on the strip 109.
  • the rotation sensor 316 provides an indication of the pivoting of the arm 313; this indication is provided to the motor control circuit controlling the ribbon take-up reel (see Figure 2).
  • Figure 3 is a top view of Figure 2; it shows the various organs described above and the description of which will not be repeated.
  • the advantage of this figure is to show the angle A formed between the strip 109 and the strand 110 at the taping point 111.
  • the direction of travel of the strand 110 is indicated by the arrow D.
  • the taping angle A is adjusted in the embodiments of the fixed taping station shown in Figures 2-3 or 4 by tilting the entire installation formed by the post around the point of tape 111.
  • the variant of stationary taping station according to FIG. 5 allows this constraint to be freed and the angle of taping to be adjusted without having to move the whole of the stationary taping station.
  • the strip 109 is guided around the parts 321, 322 which gives the taping angle A.
  • the parts 321, 322 are arranged differently.
  • the tape stations 3, 4, 5 and in particular the fixed stations 3, 5 have a means for regulating the temperature of the tape.
  • the invention also relates to the cables made using the installation described above. These cables have at least two layers of alternating insulating tape, the first layer being in the same direction or in the opposite direction to that of the second layer.
  • the direction of taping of the first layer may be identical to or opposite to the direction of the strand.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electric Cables (AREA)

Claims (13)

  1. Verseil- und Bandumwicklungsanlage zur Herstellung von Kabeln, umfassend:
    - eine Verseilmaschine (1) zur Herstellung einer Kabellitze (110) aus Einzeldrähten (101, 102, 103), wobei die Litze sich um sich selbst dreht und dabei einer Lauf- und Rotationsachse (XX) entlang verschiedene Bandumwicklungsstationen durchläuft, um in jeder Station ein Band zu empfangen, und am Ende ein Aufnahmemittel (6), das auf das Kabel (127) einen Zug mit Rotation ausübt,
    Anlage, dadurch gekennzeichnet, daß sie zwischen der Verseilmaschine (1) und dem Aufnahmemittel (6) mindestens enthält:
    a) eine feststehende Bandumwicklungsstation (3), die auf die Litze (110) ein Band (109) wickelt, indem sie die Bandumwicklung in der Richtung der Verdrillung der Litze (110) ausführt,
    b) eine bewegliche Bandumwicklungsstation (4), die auf die Litze ein Band in der der Richtung der Verdrillung der Litze entgegengesetzten Richtung und derselben Schritthöhe, wie die der äußeren Lage der Litze, aufbringt.
  2. Anlage nach Patentanspruch 1, dadurch gekennzeichnet, daß sie eine zweite feststehende Bandumwicklungsstation (5) aufweist, die auf das Kabel ein Band in einer Wickelrichtung aufwickelt, die der Richtung der Litze gleich ist, wobei die erste und die zweite feststehende Station (3, 5) beiderseits der beweglichen Bandumwicklungsstation (4) angeordnet sind.
  3. Verseil- und Bandumwicklungsanlage nach Patentanspruch 1, dadurch gekennzeichnet, daß die bewegliche Bandumwicklungsstation (4) eine inverse Bandumwicklungsstation ist, bestehend aus einem äußeren Teil (112) und einem inneren Teil (113), die beide mit der Achse (XX) der Anlage koaxial sind, wobei die Litze (114) zueret (115, 116, 117, 118) den äußeren Teil (112) durchläuft, bevor sie den inneren Teil (113) durchquert, und zwar länge der Achse (XX), aber in der zur Laufrichtung der Litze in den anderen Teilen der Achse (XX) entgegengesetzten Richtung, um das Band zu empfangen, wobei die Rotationsbewegung des äußeren Teils (112) der Rotationsrichtung der Litze (des Kabels) entgegengerichtet Ist.
  4. Verseil- und Bandumwicklungsanlage nach irgendeinem der Patentansprüche 1 und 2, dadurch gekennzeichnet, daß mindestens eine der feststehenden Bandumwicklungsstationen (3, 5) aus einer Einheit besteht, die aus einer angetriebenen Vorratsspule (301) gebildet wird, die mit der Bandumwicklungsstelle (111) über ein Spannmittel (305, 306, 307, 311, 304, 303) verbunden ist.
  5. Anlage nach Patentanspruch 4, dadurch gekennzeichnet, daß das Spannmittel eine Kontrollvorrichtung (309, 311, 315, 316, 304) aufweist, um die tatsächliche Spannung zu bestimmen, sie mit einem Sollwert zu vergleichen und aufgrund des Differenzsignals den Vorratsspulenmotor zu steuern.
  6. Anlage nach irgendeinem der Patentansprüche 4 und 5, dadurch gekennzeichnet, daß die Einheit aus Versorgung (301, 302, 303) und Spannungsregelungsmittel (305, 306, 307) relativ zur Bandumwicklungsstelle kippbar ist, um den Wickelwinkel (A, B) einzustellen.
  7. Anlage nach Patentanspruch 3, dadurch gekennzeichnet, daß das Spannmittel und das Mittel zur Bestimmung der Spannung aus einer Bandschleife besteht, die durch zwei feststehende Rollen (305, 306) und eine variable Umkehrrolle (307) gebildet wird, die einen schleifenförmigen Weg variabler Länge für das Band (109) formen und dessen Länge festgestellt wird (310, 316), um den Motor (303) der Vorratsspule (301) zu steuern.
  8. Anlage nach Patentanspruch 3, dadurch gekennzeichnet, daß das Spannmittel und das Mittel zur Bestimmung der tatsächlichen Spannung zum Zeitpunkt der Bandumwicklung einen Arm (313) aufweist, der die Umkehrrolle (307) trägt, um die eine Bandschleife (109) zwischen den beiden feststehenden Rollen (305, 306) verläuft, wobei dieser Arm (313) mit einem Gegengewicht (314) zur Regulierung der Spannung versehen ist und mit einem Detektor (316) zur Feststellung der Kippung relativ zu einem festen Punkt.
  9. Anlage nach Patentanspruch 1, dadurch gekennzeichnet, daß die feststehende Bandumwicklungsstation (3) aus einer feststehenden Vorrichtung zur Versorgung mit Band besteht, die ein Band (109) mit einer entsprechend einem Sollwert geregelten Spannung liefert, mindestens einem Umkehrorgan (320) zur Regelung der Richtung, somit des Wickelwinkels, des Bandes relativ zur Litze (110).
  10. Anlage nach Patentanspruch 9, dadurch gekennzeichnet, daß das Umkehrorgan ein orientierbarer Zapfen (320) ist, der die Umkehr des Bandes sicherstellt und mit zwei Führungs- und Anschlagorganen (321, 322) zusammenarbeitet, die das Kabel (109) während der Bandumwicklung zurückhalten.
  11. Anlage nach Patentanspruch 1, dadurch gekennzeichnet, daß die Bandumwicklungsstationen (3, 4, 5) ein Mittel zur Regulierung der Temperatur des Bandes aufweisen.
  12. Kabel, hergestellt mit Hilfe der Anlage nach irgendeinem der Patentansprüche 1 bis 10, dadurch gekennzeichnet, daß es mindestens eine Lage isolierband in derselben Rlchtung, wie die Litze aufweist, und eine Lage in umgekehrter Richtung.
  13. Kabel nach Patentanspruch 12, dadurch gekennzeichnet, daß es mindestens zwei Lagen Band in derselben Richtung und derselben Schritthöhe, wie die äußere Lage der Litze, aufweist, mit einer Zwischenlage in entgegengesetzter Richtung, wobei die Lagen mit gleicher Richtung genau dieselbe Schritthöhe aufweisen, gegebenenfalls identisch mit der der Litze.
EP92401319A 1991-02-08 1992-05-14 Verteil- und Durchlaufbandumspinnungsanlage zur Herstellung elektrischer Kabel und auf diese Weise erhaltene Kabel Expired - Lifetime EP0569647B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE69211681T DE69211681D1 (de) 1992-05-14 1992-05-14 Verteil- und Durchlaufbandumspinnungsanlage zur Herstellung elektrischer Kabel und auf diese Weise erhaltene Kabel
AT92401319T ATE139646T1 (de) 1992-05-14 1992-05-14 Verteil- und durchlaufbandumspinnungsanlage zur herstellung elektrischer kabel und auf diese weise erhaltene kabel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9101454A FR2672724B1 (fr) 1991-02-08 1991-02-08 Installation de cablage et de rubanage en ligne pour la fabrication de cables, notamment de cables electriques et cables ainsi obtenus.

Publications (2)

Publication Number Publication Date
EP0569647A1 EP0569647A1 (de) 1993-11-18
EP0569647B1 true EP0569647B1 (de) 1996-06-19

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EP92401319A Expired - Lifetime EP0569647B1 (de) 1991-02-08 1992-05-14 Verteil- und Durchlaufbandumspinnungsanlage zur Herstellung elektrischer Kabel und auf diese Weise erhaltene Kabel

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FR (1) FR2672724B1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2732503B1 (fr) * 1995-03-31 1997-04-30 Filotex Sa Procede d'assemblage et de rubanage de conducteurs

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2053867A1 (de) * 1970-10-23 1972-04-27 Siemens Ag Verfahren zum Umspinnen eines strangförmigen Gutes, insbesondere der Seele oder einer Verseileinheit eines elektrischen Kabels
FR2635796B1 (fr) * 1988-08-31 1990-11-23 Cholley Christophe Installation de cablage et de rubanage en ligne

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FR2672724A1 (fr) 1992-08-14
EP0569647A1 (de) 1993-11-18
FR2672724B1 (fr) 1993-06-11

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