EP0403620A1 - Installation de rubanage de bandes continues de materiau. - Google Patents

Installation de rubanage de bandes continues de materiau.

Info

Publication number
EP0403620A1
EP0403620A1 EP90900155A EP90900155A EP0403620A1 EP 0403620 A1 EP0403620 A1 EP 0403620A1 EP 90900155 A EP90900155 A EP 90900155A EP 90900155 A EP90900155 A EP 90900155A EP 0403620 A1 EP0403620 A1 EP 0403620A1
Authority
EP
European Patent Office
Prior art keywords
tape
reel
tape feed
speed
band
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
EP90900155A
Other languages
German (de)
English (en)
Other versions
EP0403620B1 (fr
Inventor
Ruediger Lange
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.)
Stolberger Maschinenfabrik GmbH and Co KG
Original Assignee
Stolberger Maschinenfabrik GmbH and Co KG
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 Stolberger Maschinenfabrik GmbH and Co KG filed Critical Stolberger Maschinenfabrik GmbH and Co KG
Priority to AT90900155T priority Critical patent/ATE92668T1/de
Publication of EP0403620A1 publication Critical patent/EP0403620A1/fr
Application granted granted Critical
Publication of EP0403620B1 publication Critical patent/EP0403620B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H01B13/0825—Apparatus having a planetary rotation of the supply reels around the conductor or cable
    • H01B13/0841—Apparatus having a planetary rotation of the supply reels around the conductor or cable the supply reel axis being arranged perpendicular to the conductor or cable axis

Definitions

  • the invention relates to a device for banding a continuous strand of material with at least one band, in particular for banding a cable, which is provided with a band supply device for the band which can be driven to rotate about the longitudinal axis of the band and which has a band reel.
  • Strands of material, in particular cables, are wrapped in one pass with one or two strips of paper, plastic, metal and / or fabric made of fibers or metal wires.
  • the strand of material so wound, ie banded is subsequently provided with a plastic sheathing.
  • the plastic casing is applied by means of coextrusion, ie the banded material strand is passed through an appropriately designed extruder.
  • the length of tape required for banding is many times greater than the length of the material strand, so that the entire device is stopped and It must be stopped until the empty tape reel is replaced by a full tape reel and the end of the tape that is running is connected to the incoming tape end.
  • the invention has for its object to design a device of the type described above so that continuous operation and at the same time a reel change in operation is possible with a link between the end of the tape and the beginning of the tape.
  • each tape reel is mounted on a spool carrier which is rotatably mounted uniaxially and coaxially to the material strand relative to the tape feed device, in that each spool carrier is produced.
  • a non-rotatable connection to the tape feed device is assigned a releasable coupling and that each spool holder is provided with guide devices for the beginning of the tape.
  • the tape feed device consists, for example, of a rotor which rotates coaxially about the longitudinal axis of the strand and which is provided with guide and tensioning elements for the tape to be applied.
  • the throughput speed of the strand of material and the speed of the rotor determine the slope of the tape winding.
  • several tapes can be made, even from different materials in one Operation can be applied.
  • two tape reels are now provided for each type of tape, the tape running from one tape reel and being applied to the material strand while the other tape reel is also rotating.
  • guide devices it is now brought about that when the end of the tape runs out of the tape reel in operation, the beginning of the tape can run in from the second tape reel and is connected to the end of the tape, so that the taping process can be continued without standstill.
  • the throughput speed of the material strand on the one hand and the rotational speed of the band feed device on the other hand can be reduced over a short period of time, so that a reliable and faultless connection of the running end of the band can be reduced can be effected with the beginning of the tape. As soon as this has been done, the device can then be brought back up to its full working speed.
  • Another advantage of the invention is that the strand of material also runs through when the belt is changed, so that here a significantly higher level compared to devices in which the machine has to be stopped for the belt change
  • the clutch is provided with a controllable starting slip, so that the associated bobbin can be specifically accelerated from the standstill to the operating speed via the drivable tape feed device. It is particularly expedient here if the clutch is designed as an electromagnetic clutch.
  • each coil carrier is provided with a brake for fixing it in relation to the machine frame. This ensures that the coil carrier remains fixed at a standstill and cannot run with it due to residual frictional forces which are transmitted via the clutch.
  • the reel carriers are each provided with a position sensor which is effective with respect to the machine frame and is connected to a control device acting on the brake which, when braking, provides a predetermined orientation of the tape reel with respect to the machine frame
  • the coil carrier comes to a standstill.
  • the reel Since the strand of material to be taped is usually passed horizontally through the machine, it is expedient for the reel to be above the strand of material when the reel carrier is at a standstill. This makes it possible to arrange transport means for the supply of full bobbins and the removal of empty bobbins above the belting device, and to provide one or more storage magazines for full bobbins.
  • each reel carrier is provided with at least one counterweight to the tape reel.
  • the size of the weight depends on the total weight of a full spool, i.e. So it depends on the tape material used in each case and is expediently designed such that, when the reel is full, the centrifugal forces of the counterweight on the one hand and the reel on the other hand acting on the reel carrier are roughly balanced.
  • the counterweight is designed to be slightly smaller than the mass of the full reel, the remaining unbalance with a full reel on the one hand and with a completely or almost completely empty reel on the other hand is still within reasonable limits, since after the takeover of the end of a full reel the Belt feed device is accelerated from a low speed to a higher operating speed and during this acceleration phase, strip quantities are already drawn off. As soon as a predetermined remaining quantity is present in the tape reel in operation, the speed of the tape feed device is again reduced, so that the imbalance now caused by the greater mass of the counterweight can be tolerated again with regard to the decreasing speed.
  • a two-part counterweight is arranged on the coil carrier and that the two part weights preferably extend in the U direction during operation an adjusting drive are mounted so as to be adjustable in opposite directions.
  • This arrangement has the advantage that the counterweight can be adjusted to any reel weight by a corresponding adjustment of the partial weights to one another, so that accordingly different tape materials can be processed without the need to replace the counterweights or additional weights to attach or to solve.
  • a particular advantage of this arrangement is that with the arrangement of an appropriately designed adjusting drive, the partial weights can be adjusted against one another during operation in accordance with the decrease in the coil weight, so that here the rotor formed by the coil carrier, coil and counterweight is always balanced and thus practically via the whole "trip" of a reel can be kept practically at operating speed.
  • the start-up time from the slow speed to the operating speed after starting a tape reel and the braking time to the low speed, which is required during the time for connecting the running tape end to the incoming tape start of the next tape reel, can also be reduced here.
  • Another particular advantage is that when the two partial weights are adjusted by rotating about the axis of rotation of the coil carrier, the partial weights themselves are not adjusted by centrifugal forces, so that the adjusting forces required for continuous adjustment need only be so great that the friction of the bearing of the partial weights and in the acceleration phase the acceleration forces of the partial weights must be overcome in the circumferential direction.
  • the belt feed device can be very quickly brought up to a constant operating speed, continuous adjustment until braking shortly before the end of the belt is possible without effort, since the part weights are exposed to practically no mass acceleration in the circumferential direction.
  • the tape feed device with a The tape feed arm is provided and has a positioning device which acts on the clutch via a control device, so that in the operating position both tape reels are each held in a predetermined orientation relative to the tape feed arm.
  • the positioning device is expediently designed such that the two coils are aligned diametrically to one another.
  • each reel carrier is provided with a drivable tape guide which drives the tape and / or the reel at least when the beginning of the tape is threaded into the tape feed arm.
  • connection process the new tapering tape is continued smoothly *.
  • This has the particular advantage that the connection between the end of the band and the beginning of the band is practically not subjected to tensile stress, so that there are only few requirements for the strength of the connection.
  • the tape start and tape end are held here anyway due to the overlap.
  • the tape feed device is provided with a "tape end" signal transmitter which is connected to a control device respectively the Ba 'nd arrangementsantrieb full spool ein ⁇ on, only the synchronization of the strip end and beginning of the tape is via a corresponding control device then not effected, but at the same time also the time and the location specified, can be ver ⁇ connected to each other at the end of the tape and leader tape.
  • the tape feed device is preferably provided in the area of the tape feed arm with a stapling device which connects the running end of one tape to the tapering end of the other tape.
  • the term "stapling device" in the sense of the present invention relates to all devices with which the tape end and tape start can be connected to one another.
  • the embodiment and mode of operation are also based, for example, on the strip material used. Paper tapes can be connected to one another by a simple pressing process if the beginning and end of the tape are each coated with a so-called molecular adhesive.
  • the stapling device can also contain a gluing device in addition to the pressing device.
  • the connection can be made by welding under the influence of heat, radiation or ultrasound.
  • the stapling device can be designed, for example, as a spot welding device.
  • this either requires a "flying" welding device or an additional tape drive must be provided for both tape reels, which enables at least the end of the tape to be driven into a "storage loop" by appropriate acceleration, so that the downtime required for a welding process begins the welding point is given, while the tape feed device continues to rotate and the previously formed "storage loop” is removed again.
  • strips made of metal in particular steel strips, because of the much higher strength, it is advisable to connect the end of the strip and the beginning of the strip via a stamping and embossing process so that both
  • Bands are hooked together with a load-bearing connection via a positive connection.
  • the tape feed arm is tubular at least in the run-up area of the tape on the material strand. This prevents the incoming belt from being twisted or caused to vibrate at high speeds by the wind resistance. It is expedient here if at least part of the tubular area is made of a transparent material.
  • a sensor for the centrifugal force acting on the bobbin is arranged on each tape reel, which acts via a control device on the rotary drive of the tape feed device and on the drive device effecting the passage of the material strand, so that depending a predeterminable constant value for the centrifugal force, the speed of the band feed device and the take-off speed of the strand of material is changed, the ratio of the speed of the band feed device to the pull-off speed of the strand of material being kept constant in accordance with the predetermined gradient of the strapping.
  • the centrifugal force acting on the coil former in operation is a measure of the decrease in the winding diameter and represents the reference variable according to which the speed and take-off speed are regulated. This makes it possible to always operate the belt device in the optimal speed range. After an output speed determined by the predetermined centrifugal force, there is a progressive increase up to the remaining operating time maximum permissible speed, which can be maintained until the end, then the device must be braked again to low speeds so that the connection between the end of the strip and the beginning of the strip can be made. Overall, a significant increase in production with improved quality can thus be achieved.
  • a sensor for the centrifugal force acting on the bobbin is arranged on each reel, which acts via a control device on an adjustment drive for the mutually adjustable partial counterweights.
  • This arrangement has the advantage that the taping device can be driven practically unbalanced, since, on the one hand, the full supply reels are firmly connected to the tape feed device via their coupling and that the tape reel in operation, which is also connected via its coupling to the tape feed device Tape feed device is connected, is also fully balanced, since with decreasing reel weight, the two parts of the counterweight also rotate against each other, so that the weight loss of the reel is continuously compensated.
  • FIG. 1 shows a schematic longitudinal section of a device for tying a cable
  • Fig. 2 shows a section. the line II-II in Fig. 1,
  • Fig. 3 the control of a conveyor system in the form of a block diagram.
  • the two tape reels 11 and 12 are each arranged separately on a reel support 13 and 14, both reel supports being rotatably supported independently of one another on the tape feed device.
  • Both the reel carrier 13 and the reel carrier 14 are each provided on their side facing away from the tape reel 11 or 12 with a counterweight 15, which in the illustrated embodiment is divided into two partial weights 15 'and 15 ", the two partial weights
  • the two coil supports 13 and 14 are each assigned a controllable coupling 16 and 17, which is designed, for example, as an electromagnetic coupling, via which the two coil supports are independent of one another can be non-rotatably connected to the rotating belt feed device.
  • the coil carriers 13 and 14 are also each provided with a braking device, for example in the form of a brake disk 18 and 19, to which a corresponding brake caliper 20 and 21 on the machine frame 2 is assigned, so that the coil carrier in each case after the clutch 16 or 17 has been released 13 or 14 can be set in relation to the machine frame 2.
  • a braking device for example in the form of a brake disk 18 and 19, to which a corresponding brake caliper 20 and 21 on the machine frame 2 is assigned, so that the coil carrier in each case after the clutch 16 or 17 has been released 13 or 14 can be set in relation to the machine frame 2.
  • the coil carrier 13 and 14 are also each with a
  • guide device 22 which is optionally provided with a drive device, not shown here, so that the beginning of the tape of each spool can be inserted into the tape feed arm.
  • the guide device 22 of the spool 12 is attached to the rotating tape feed device
  • both reel supports 13 and 14 are each provided with a full reel, with only one reel, for example reel 11, tape 6 over the Tape feed arm 7 is applied to the strand of material 4.
  • Both spool carriers are connected in a rotationally fixed manner to the tape feed device 1 via their couplings 16 and 17, the alignment of the guide device 22 to the tape feed arm 7 or the tape transmitter 23 via positioning devices 24 or
  • Each bobbin is also connected to a signal transmitter, not shown here, which triggers the "end of tape” signal as soon as, for example, only a predetermined remaining length is left on the bobbin 11 in operation.
  • This signal generator then activates a drive on the guide device 22 of the tape reel 12, which introduces the tape start into the stapling device 10 at the moment when the tape end of the spool 11 passes through the stitching device 10, so that the tape end and the tape start can be connected to one another and so an "endless belt” is applied to the material strand 4.
  • the above-mentioned signal generator reduces the speed of the tape feed device, so that this process takes place in a "creep speed" of the entire system.
  • the system is brought back up to its operating speed.
  • the coupling 16 of the reel carrier 13 with the empty reel 11 is already released and the brake 18, 20 is actuated at the same time, so that the reel carrier 13 can be fixed on the machine frame 2.
  • the interaction between the controllable clutch and the brake ensures that the coil carrier 13 is fixed in a predetermined position relative to the machine frame.
  • a coil lock designed in a conventional manner and known from stranding machines is released, so that the empty one Tape reel 11 can be removed and replaced with a full tape reel.
  • This bobbin changing process is expediently carried out via an automatically controlled bobbin changer.
  • the brake 18, 20 is released and, at the same time, the clutch 16 is activated via a corresponding start-up control, so that the reel carrier 13 is carried along by the tape feed device which is already rotating at the operating speed, and is accelerated to the operating speed.
  • the spool support 13 is now fixed in its original position assigned to the tape feed arm 7 via the actuation of the clutch, so that both spool supports 13 and 14 rotate together with the tape feed device 1 as a compact unit.
  • FIG. 2 is a sectional view of the .
  • each partial weight 15', 15" is rotatably mounted on its own guide ring on the bobbin 13 or coaxially to the continuous material strand 4 , so that each by a corresponding adjustment of the two partial weights to each other
  • Weight of the tape reel .11 or 12 can be compensated, so that the two reel carriers each represent a balanced rotor.
  • a centrifugal force sensor 28 is assigned to each of the two reels 11, 12, which is based on an adjusting drive 29 for the is connected to the two partial weights 15 'and 15 ".
  • the two partial weights 15', 15" are also assigned a common centrifugal force sensor 30 which compensates for the compensation resulting from the adjustment angle of the two partial weights.
  • Centrifugal force of the partial weights is detected and which is also connected to the adjusting drive, so that each coil carrier is automatically balanced. If tape is now continuously withdrawn from the tape reel, the centrifugal force exerted on the sensor 28 is reduced. The difference that now results from the resulting compensating centrifugal force is compensated for by the actuator 29 by a corresponding increase in the adjustment angle between the two partial weights 15 'and 15 ".
  • the adjustment drive only care must be taken that the adjustment to the Counterweights 15 ', 15 "acting tangential accelerations are absorbed.
  • FIG. 3 shows a banding system in the form of a block diagram, in which the strand of material 4 to be banded is provided with a protective jacket made of a thermoplastic material by coextrusion after the banding.
  • the individual devices are only shown symbolically, the drives being drawn separately for a better understanding of the control.
  • the system essentially consists of a belt device identified by its tape feed device 1, an extruder 31, to which a cooling device 32 and a winding device 33 are assigned.
  • the strand of material 4 to be strapped and provided with a protective jacket is fed via an unwinding station 34.
  • the drive 35 of the strapping device, the output 36 of the extruder, the drive 37 of the winding device and the drive 38 of the unwinding device are now linked to one another via a control circuit 39, the link specifying the desired gradient ratio of the strap on the material strand, that is to say by the ratio of the speed of passage of the material strand to the rotation speed of the strip feed device. This value is fixed so that all drives are aligned with it.
  • the centrifugal force sensor system of the belt device 1 is identified by the dash-dotted frame 40. This system specifies the command variable of the control.
  • each reel is assigned a centrifugal force sensor, as described above, there is the possibility of achieving a further increase in the performance of the system in this connection of all drives.
  • the mass moment of inertia of the rotor formed from the tape feed device and the two reel supports so that the speed of the tape feed device can be increased in each case, so that the tape device is always operated in the optimal speed range can.
  • a bobbin change i.e. the linking of a running end of the band with the end of the running band in "creep speed" first approached to an output speed determined by a predetermined centrifugal force.
  • the arrangement of the tape reels with a radially aligned reel axis is particularly expedient because this not only facilitates the reel changing process, but also offers the possibility of reels to use with a large diameter, but at the same time to keep the radius of the coil carrier, which is to be defined as the rotor, that determines the mass moment of inertia small.
  • the axes of the tape reels can also be aligned parallel or at an angle to the axis of rotation on the tape feed device.
  • two additional bobbin supports must then be provided in accordance with the number of layers. With a horizontal axis of rotation with changing each Beinglie ⁇ constricting the coil then underlying counterweight 15 has a stabilizing effect, if the reel is released vo 'bobbin.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Basic Packing Technique (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Manufacturing Of Electric Cables (AREA)

Abstract

Lors du rubanage de bandes continues de matériau, par exemple de câbles, l'installation de rubanage doit s'arrêter à chaque fois qu'il faut changer la bobine du ruban, ce qui limite la productivité. Lorsque la bande rubanée de matériau est en outre pourvue par co-extrusion d'une enveloppe de protection, l'arrêt provoque des problèmes de guidage du matériau dans l'extrudeuse. Dans une installation de rubanage, au moins deux bobines à ruban (11, 12) d'un dispositif rotatif (1) d'amenée du ruban sont montées chacune sur un porte-bobine (13, 14) qui tourne coaxialement à la bande de matériau, indépendamment de celle-ci, de sorte que la bobine vide à ruban peut être arrêtée, échangée et mise à nouveau en fonctionnement pendant que le dispositif (1) d'amenée du ruban continue à tourner. On peut ainsi rubaner la bande de matériau sans arrêt. Seule la vitesse de rotation du dispositif (1) d'amenée du ruban est réduite pendant le remplacement des bobines à ruban.
EP90900155A 1989-01-03 1989-12-22 Installation de rubanage de bandes continues de materiau Expired - Lifetime EP0403620B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90900155T ATE92668T1 (de) 1989-01-03 1989-12-22 Einrichtung zum bebaendern eines durchlaufenden materialstranges.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3900060 1989-01-03
DE3900060A DE3900060A1 (de) 1989-01-03 1989-01-03 Einrichtung zum bebaendern eines durchlaufenden materialstranges

Publications (2)

Publication Number Publication Date
EP0403620A1 true EP0403620A1 (fr) 1990-12-27
EP0403620B1 EP0403620B1 (fr) 1993-08-04

Family

ID=6371544

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90900155A Expired - Lifetime EP0403620B1 (fr) 1989-01-03 1989-12-22 Installation de rubanage de bandes continues de materiau

Country Status (5)

Country Link
US (1) US5111646A (fr)
EP (1) EP0403620B1 (fr)
DE (2) DE3900060A1 (fr)
ES (1) ES2044544T3 (fr)
WO (1) WO1990007780A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI119534B (fi) * 2005-04-07 2008-12-15 Compomec Oy Menetelmä ja laite ydinmateriaalin suojaamiseksi suojamateriaalilla
DE102017101646A1 (de) * 2017-01-27 2018-08-02 Fatzer Ag Drahtseilfabrik Längselement, insbesondere für ein Zug- oder Tragmittel
DE102017203161B4 (de) * 2017-02-27 2018-10-31 Leoni Kabel Gmbh Flechtmaschine
JP6598413B1 (ja) * 2019-06-18 2019-10-30 宮▲崎▼機械システム株式会社 テーピング装置および張力検出装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1582026A (en) * 1923-05-02 1926-04-27 Western Electric Co Method of and apparatus for producing plastic articles
FR1305472A (fr) * 1961-07-27 1962-10-05 Geoffroy Delore Rubaneuse à tête centrale double
US3273814A (en) * 1964-04-01 1966-09-20 Dowsmith Inc Rotating dispensing apparatus
DE1685843A1 (de) * 1967-05-09 1971-04-22 Kabel Metallwerke Ghh Vorrichtung zum Auf- und Abwickeln von Auflagen von Formstraengen
FR2116909A5 (fr) * 1970-12-11 1972-07-21 Walter Marc Bobineuse
DE2903807A1 (de) * 1979-02-01 1980-08-14 Felten & Guilleaume Carlswerk Verfahren zum unwuchtausgleich eines bandwicklers und hierzu eingerichteter bandwickler
SE425604B (sv) * 1981-03-25 1982-10-18 Ericsson Telefon Ab L M Anordning vid lindning av trad, band eller dylikt fran en lagringsspole pa ett genom spolens centrumhal frammatat knippe av ledningar eller dylikt
JPS59149277A (ja) * 1983-02-17 1984-08-27 Sumitomo Electric Ind Ltd テ−プ巻装置
FR2590069B1 (fr) * 1985-11-14 1987-12-11 Alsthom Enrubanneuse pour l'enrubannage a chaud d'un conducteur electrique
US4903473A (en) * 1988-09-01 1990-02-27 Stolberger Maschinenfabrik Gmbh & Co Kg Method for controlling a cage stranding machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9007780A1 *

Also Published As

Publication number Publication date
EP0403620B1 (fr) 1993-08-04
DE58905176D1 (de) 1993-09-09
DE3900060A1 (de) 1990-07-05
ES2044544T3 (es) 1994-01-01
WO1990007780A1 (fr) 1990-07-12
US5111646A (en) 1992-05-12

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