EP3954825B1 - Dispositif pour torsader des fils - Google Patents

Dispositif pour torsader des fils Download PDF

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Publication number
EP3954825B1
EP3954825B1 EP21000222.6A EP21000222A EP3954825B1 EP 3954825 B1 EP3954825 B1 EP 3954825B1 EP 21000222 A EP21000222 A EP 21000222A EP 3954825 B1 EP3954825 B1 EP 3954825B1
Authority
EP
European Patent Office
Prior art keywords
twisting
wires
shaft
drums
head
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.)
Active
Application number
EP21000222.6A
Other languages
German (de)
English (en)
Other versions
EP3954825C0 (fr
EP3954825A2 (fr
EP3954825A3 (fr
Inventor
Rudolf Lonski
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.)
Network Quality Management GmbH
Original Assignee
Network Quality Management 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 Network Quality Management GmbH filed Critical Network Quality Management GmbH
Publication of EP3954825A2 publication Critical patent/EP3954825A2/fr
Publication of EP3954825A3 publication Critical patent/EP3954825A3/fr
Application granted granted Critical
Publication of EP3954825C0 publication Critical patent/EP3954825C0/fr
Publication of EP3954825B1 publication Critical patent/EP3954825B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B3/00—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material
    • D07B3/02—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material in which the supply reels rotate about the axis of the rope or cable or in which a guide member rotates about the axis of the rope or cable to guide the component strands away from the supply reels in fixed position
    • D07B3/04—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material in which the supply reels rotate about the axis of the rope or cable or in which a guide member rotates about the axis of the rope or cable to guide the component strands away from the supply reels in fixed position and are arranged in tandem along the axis of the machine, e.g. tubular or high-speed type stranding machine
    • D07B3/045—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material in which the supply reels rotate about the axis of the rope or cable or in which a guide member rotates about the axis of the rope or cable to guide the component strands away from the supply reels in fixed position and are arranged in tandem along the axis of the machine, e.g. tubular or high-speed type stranding machine with the reels axially aligned, their common axis coinciding with the axis of the machine
    • 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
    • D07B7/021—Guiding means for filaments, strands, ropes or cables
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2207/00—Rope or cable making machines
    • D07B2207/40—Machine components
    • D07B2207/4018—Rope twisting devices
    • D07B2207/4022—Rope twisting devices characterised by twisting die specifics
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2207/00—Rope or cable making machines
    • D07B2207/40—Machine components
    • D07B2207/409—Drives
    • D07B2207/4095—Control means therefor
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2301/00—Controls
    • D07B2301/25—System input signals, e.g. set points
    • D07B2301/251—Twist
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2301/00—Controls
    • D07B2301/35—System output signals
    • D07B2301/3583—Rotational speed
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2301/00—Controls
    • D07B2301/35—System output signals
    • D07B2301/3591—Linear speed

Definitions

  • the invention relates to a device for twisting wires with at least one twisting shaft on which drums are rotatably supported axially, from which the wires can be pulled off and guided to a twisting head coupled in a rotationally fixed manner to the twisting shaft.
  • a generic device has a frame in which a twisting shaft is supported. Drums with wound wires are supported coaxially one behind the other on this twisting shaft. A wire take-off arm is assigned to each of these drums, which guides the wire over three deflection rollers into the interior of the twisting shaft. This is hollow for this purpose.
  • the individual wires are guided axially to a twisting head, in which they converge radially. By rotating the twisting shaft around its axis, the wires are twisted together.
  • the high cost of the wire removal arms and the very complicated wire guide are viewed as disadvantageous in this prior art.
  • the invention is based on the object of creating a device of the type mentioned at the outset, which is characterized by a reduced set-up effort and can therefore also be used sensibly for individualized production batches.
  • a device according to the invention is used for twisting wires.
  • the term "wire” is to be understood as meaning any elongated and flexible workpiece.
  • This can be, for example, an electrical wire made of solid material or stranded wires, with and without insulation, a coaxial line, metal wire, plastic rod, a fiber material such as glass fiber, carbon fiber, natural fiber or plastic fiber.
  • the device includes at least one rotatable twisting shaft, which is preferably driven to rotate by a motor. In simple cases, it is also possible to rotate the at least one twisting shaft by hand. On this at least one twisting shaft are drums axially rotatably supported on which the wires are wound.
  • the drums hold a supply of wire for the twisting process.
  • the drums can be rotated relative to the at least one twisting shaft, so that the wires can be unwound from the drums as required for the twisting process.
  • the drums can be driven to rotate, but this is not necessary for the subject matter of the invention. It is also contemplated to hold the drums in frictional contact with the at least one twisting shaft to brake the drums and tension the wire unwound from the drum.
  • At least one twisting head which carries out the actual twisting process, is supported in a rotationally fixed manner on the at least one twisting shaft.
  • the wires are brought together in this at least one twisting head and twisted by rotating the at least one twisting head with the at least one twisting shaft.
  • at least one disk is provided between at least one of the drums and the at least one twisting head.
  • the term “disk” is to be understood as meaning any body that is connected in a rotationally fixed manner to the at least one twisting shaft and extends radially to such an extent that it can grasp at least one of the wires.
  • the disc can be formed by a cylindrical body, but this is not necessary.
  • the disk can have recesses of any shape, be formed only by individual struts or tubes or, similar to a bicycle, be formed by spokes that hold a ring gear.
  • This at least one disc is non-rotatably connected to the at least one twisting shaft, so that it necessarily rotates with the at least one twisting shaft.
  • An axial displaceability of the at least one disk is optionally possible.
  • This at least one disk has at least one groove on its outer circumference, in which at least one of the wires is guided.
  • the at least one wire is therefore in the range of at least synchronizes a pulley with the at least one twisting shaft with respect to rotation thereof. In this way it is achieved that exactly the required amount of wire is unwound in the time required for the twisting process.
  • the wire itself is guided outside the at least one twisting shaft to the twisting head, which considerably simplifies upgrading the device.
  • the at least one wire does not have to be threaded in the area of the drums and discs. Rather, it is sufficient to press the at least one wire on the outside into the at least one groove of the at least one disk. Threading is then required at most in the area of the at least one twisting head, which can be kept simple by a correspondingly short design of the at least one twisting head. If the assembly of the wires to be twisted changes, for example if only three wires are to be twisted instead of four or wires with different colors are to be used, the device can be easily adapted to these new specifications. It is only necessary to pull wires that are not required out of the at least one twisting head and additionally required wires to be inserted into the at least one twisting head.
  • At least one of the drums is empty and is required for the twisting process, it can be exchanged very easily. To do this, the twisting head and then the discs with the drums are pulled off axially. Then the new drums with the discs in between are put back onto the at least one twisting shaft. This is very easy to carry out, so that changeover times are consciously short and consequently twisting jobs with a smaller volume are profitable.
  • At least one disk is provided between each of the drums. In this way, the wires are optimally guided.
  • the at least one disk has a plurality of grooves distributed over its circumference.
  • the individual wires can thus be fed to the at least one twisting head with different phase angles, which has a positive effect on the twisting result.
  • the grooves are preferably distributed evenly over the circumference of the disk.
  • the at least one twisting head has at least one cable guide which is axially aligned with the at least one groove.
  • This at least one cable guide ensures a clean feed of the at least one cable to the twisting point inside the twisting head.
  • this results in a smooth running of the at least one cable, which makes disruptions to the cable feed improbable.
  • At least one sliding channel for deflecting at least one of the wires is provided in at least one twisting head.
  • a sliding channel has a somewhat higher frictional resistance than rollers, it offers the advantage that a very simple and therefore fail-safe structure results.
  • This sliding channel then preferably forms the cable guide already mentioned above.
  • the at least one sliding channel ends close to an axis of rotation of the at least one twisting shaft. This results in a defined geometric assignment of the at least one cable to the twisting point, so that the at least one cable no longer has any unwanted degrees of freedom during the twisting process.
  • the at least one sliding channel is adjustable.
  • the at least one sliding channel is adjustable.
  • rigid cables on the other hand, it is more important to only deflect them around large radii in order to keep the frictional forces caused by bending small.
  • At least one pull-off device is preferably arranged downstream of the at least one twisting head in order to enable the twisted wire to be pulled off evenly.
  • the speed at which the at least one pull-off device pulls the twisted wire is synchronized with a rotational speed of the at least one twisting shaft.
  • the single FIGURE shows a three-dimensional representation of the principle of a device 1 for twisting wires 2.
  • the device 1 has a motor 3 which drives a twisting shaft 4 to rotate.
  • the motor 3 can be of any type.
  • An electric motor with a downstream gearbox is preferably used.
  • An axially running, continuous driving groove 5 is formed on the twisting shaft 4 and is used for torque transmission.
  • drums 6 are freely rotatably supported, on each of which one of the wires 2 is wound.
  • friction brakes (not shown) are provided which counteract a relative rotational movement between the drums 6 on the one hand and the twisting shaft 4 on the other hand, counteract this and keep it under tension when the wire 2 is pulled off.
  • Disks 7 are provided between the drums 6 and the twisting shaft 4 passes through them.
  • the disks 7 have a central bore 8 in which a driver 9 is formed.
  • This driver 9 engages in the driver groove 5 of the twisting shaft 4, as a result of which the disk 7 is connected to the twisting shaft 4 in a rotationally fixed manner.
  • the disc 7 thus rotates at exactly the same rotational speed as the twisting shaft 4.
  • the discs 7 each have grooves 10 distributed over the circumference, which serve to guide the wires 2. These grooves 10 are distributed evenly over the circumference of the discs 7 and are aligned relative to one another.
  • the wire 2 is drawn out from each of the drums 6 and axially guided through the grooves 10 of the discs 7, which makes the upgrading of the device 1 easy.
  • a twisting head 12 is held in a rotationally fixed manner at a free end 11 of the twisting shaft 4 .
  • the twisting head 12 also has a corresponding driver 9 which ensures the non-rotatable connection to the twisting shaft 4 .
  • Cable guides 13 are provided in the twisting head 12 and are aligned with the grooves 10 of the discs 7 on the motor side. At the ends, these cable guides 13 are brought close to a twisting point 14, at which the individual cables 2 are twisted together.
  • the cable guides 13 are designed as sliding channels 15 .
  • a twisting period - also called impact - results from the ratio between the withdrawal speed on the one hand and the speed of the twisting shaft 4 on the other hand.
  • a take-off device 20 is provided, which is formed from two belts 22 deflected by deflection rollers 21 . These tapes will pressed against each other and capture the twisted wire 23 in this way. At least one of the deflection rollers 21 is driven by a motor 24 .
  • a controller 25 is provided for this purpose, which adjusts the speed of the motor 24 according to the speed of the motor 3 .

Landscapes

  • Ropes Or Cables (AREA)

Claims (8)

  1. Dispositif destiné à torsader des fils métalliques (2), le dispositif (1) comportant au moins un arbre de torsion rotatif (4) sur lequel des tambours (6) sont supportés axialement et peuvent tourner par rapport à l'arbre de torsion (4) et sur lequel les fils métalliques (2) sont enroulés, et au moins une tête de torsion (12) étant supportée solidairement en rotation sur ledit au moins un arbre de torsion (4) et tordant les fils métalliques (2), retirés des tambours (6), les uns avec les autres par rotation de l'au moins un arbre de torsion (4), caractérisé en ce qu'entre au moins un des tambours (6) et l'au moins une tête de torsion (12) est prévu au moins un disque (7) qui est solidaire en rotation de l'au moins un arbre de torsion (4) et qui comporte sur la circonférence extérieure au moins une rainure (10) qui guide au moins un des fils métalliques (2) à l'extérieur de l'au moins un arbre de torsion (4) depuis l'au moins un tambour (6) jusqu'à l'au moins une tête de torsion (12).
  2. Dispositif selon la revendication 1, caractérisé en ce que l'au moins un disque (7) est prévu entre chacun des tambours (6).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que l'au moins un disque (7) comporte une pluralité de rainures (10) qui sont réparties sur la circonférence de l'au moins un disque (7).
  4. Dispositif selon l'une au moins des revendications 1 à 3, caractérisé en ce que l'au moins une tête de torsion (12) comporte au moins un guide-câble (13) qui est aligné avec l'au moins une rainure (10).
  5. Dispositif selon l'une au moins des revendications 1 à 4, caractérisé en ce qu'au moins un canal de glissement (15) destiné à dévier l'au moins un fil métallique (2) est prévu dans l'au moins une tête de torsion (12).
  6. Dispositif selon la revendication 5, caractérisé en ce que l'au moins un canal de glissement (15) se termine à proximité d'un axe de rotation de l'au moins un arbre de torsion (4).
  7. Dispositif selon la revendication 5 ou 6, caractérisé en ce que l'au moins un canal de glissement (15) est réglable.
  8. Dispositif selon l'une au moins des revendications 1 à 7, caractérisé en ce que l'au moins une tête de torsion (12) est suivie d'un dispositif de tirage (20) dont la vitesse de tirage est synchronisée avec une vitesse de rotation de l'au moins un arbre de torsion (4) .
EP21000222.6A 2020-08-12 2021-08-10 Dispositif pour torsader des fils Active EP3954825B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202020003457.6U DE202020003457U1 (de) 2020-08-12 2020-08-12 Vorrichtung zum Verdrillen von Drähten

Publications (4)

Publication Number Publication Date
EP3954825A2 EP3954825A2 (fr) 2022-02-16
EP3954825A3 EP3954825A3 (fr) 2022-03-02
EP3954825C0 EP3954825C0 (fr) 2023-07-26
EP3954825B1 true EP3954825B1 (fr) 2023-07-26

Family

ID=77300716

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21000222.6A Active EP3954825B1 (fr) 2020-08-12 2021-08-10 Dispositif pour torsader des fils

Country Status (2)

Country Link
EP (1) EP3954825B1 (fr)
DE (1) DE202020003457U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113957732A (zh) * 2021-12-01 2022-01-21 湖南湘钢金属材料科技有限公司 一种粗直径三角股钢丝绳预变形器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2124864A (en) * 1936-10-23 1938-07-26 Frank E Weller Forming head arrangement
DE839662C (de) 1948-10-02 1952-05-23 Siemens Ag Verfahren und Vorrichtung zur Herstellung mehrlagiger konzentrischer elektrischer Leitungen, Kabel, Seile od. dgl.
NL77507C (fr) 1950-04-20
GB1280795A (en) 1971-03-23 1972-07-05 Standard Telephones Cables Ltd Cables
FR2552127A1 (fr) * 1983-09-19 1985-03-22 Redaelli Tecna Meccanica Spa Dispositif de detection de la tension des divers fils qui, dans une toronneuse-cableuse, contribuent a la formation de la corde, d'un quelconque type et en un quelconque materiau
FR2565361B1 (fr) 1984-05-30 1986-09-05 Telecommunications Sa Dispositif de distribution de fibres optiques dans des rainures helicoidales d'un jonc
DE4231588C2 (de) 1992-09-21 1996-02-22 J A Kraft Maschinenbaugesellsc Verseilmaschine

Also Published As

Publication number Publication date
EP3954825C0 (fr) 2023-07-26
DE202020003457U1 (de) 2021-11-15
EP3954825A2 (fr) 2022-02-16
EP3954825A3 (fr) 2022-03-02

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