EP3925042A1 - Procédé et dispositif pour confectionner un câble électrique - Google Patents

Procédé et dispositif pour confectionner un câble électrique

Info

Publication number
EP3925042A1
EP3925042A1 EP20705054.3A EP20705054A EP3925042A1 EP 3925042 A1 EP3925042 A1 EP 3925042A1 EP 20705054 A EP20705054 A EP 20705054A EP 3925042 A1 EP3925042 A1 EP 3925042A1
Authority
EP
European Patent Office
Prior art keywords
cable
film
foil
processing module
module
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.)
Pending
Application number
EP20705054.3A
Other languages
German (de)
English (en)
Inventor
Manfred Sorg
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.)
Metzner Maschinenbau GmbH
Metzner Holding GmbH
Original Assignee
Metzner Maschinenbau GmbH
Metzner Holding 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 Metzner Maschinenbau GmbH, Metzner Holding GmbH filed Critical Metzner Maschinenbau GmbH
Publication of EP3925042A1 publication Critical patent/EP3925042A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/12—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
    • H02G1/1297—Removing armouring from cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/12—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
    • H02G1/1202—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof by cutting and withdrawing insulation
    • H02G1/1248—Machines
    • H02G1/1251—Machines the cutting element not rotating about the wire or cable
    • H02G1/1253—Machines the cutting element not rotating about the wire or cable making a transverse cut
    • H02G1/1256—Machines the cutting element not rotating about the wire or cable making a transverse cut using wire or cable-clamping means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/12—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
    • H02G1/1273—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof by pushing backwards insulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/12—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
    • H02G1/1275—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof by applying heat
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/532—Conductor
    • Y10T29/53209—Terminal or connector
    • Y10T29/53213—Assembled to wire-type conductor

Definitions

  • the invention relates to a device for assembling an electrical cable having a cable foil, according to the preamble of claim 1.
  • the invention also relates to a method for assembling an electrical cable having a cable foil, according to the preamble of claim 22.
  • At least one end of the electrical cable is processed to prepare this for connection to a connector or to partially or completely mount a connector on the cable end to be processed.
  • cable foils are sometimes used for electromagnetic shielding, stabilization and / or protection against moisture or mechanical effects.
  • moisture in the form of steam can damage the insulation of an electrical inner conductor of the cable - a cable foil that surrounds the insulation can remedy this.
  • a cable foil can also be provided as a separating layer between a cable shielding braid and a cable jacket, whereby the cable jacket can be pulled off more easily - or even at all - during a stripping process, since the cable jacket can otherwise get mechanically caught or stuck in the cable shielding braid when it is removed.
  • a cable film can also be referred to as a “shield film”, “insulation film”, “protective film” or “film shield”.
  • shield film insulation film
  • protecting film protective film
  • film shield film shield
  • Cable foils can be made from a single base material, e.g. B. from a layer of an insulating material, such as a plastic, or from a layer of an electrically conductive materi al, such as a metal. Often, however, composite films are also used which have at least two layers, in particular at least two layers made of different materials.
  • the film is produced with a number of spaced-apart embossing conditions that weaken the film material as a result. This makes manual stripping easier.
  • the cable foil is then mechanically weakened in the area of the entire cable, ie also in the area of the cable in which the cable foil is not to be removed.
  • the deliberate weakening of the film material can therefore be counterproductive.
  • the manufacturing process of the cable foil is significantly more complex, since the embossings also have to be introduced in such a way that they do not penetrate the foil as much as possible, since the aforementioned moisture protection must usually be guaranteed.
  • Damage to the insulation of an inner conductor due to a cut that is unintentionally set too deep can impair the dielectric strength of the insulation, the mechanical robustness or the resistance of the insulation and the electrical high-frequency properties of the cable.
  • a cable shielding braid running under the cable foil or another conductor of the cable is damaged by a cut that is set too deep, the conductivity and the mechanical robustness, in particular the brittleness, of the conductor can be impaired.
  • a frequently used cable shielding braid made of copper coated with tin can be susceptible to this.
  • the damaged cable shielding braid can break at the damaged point when the cable is stressed, which can endanger the ground line and the electromagnetic tightness of the cable.
  • DE 10 2004 047 384 B3 proposes a special cable in which a filling layer is provided underneath the cable foil, with the foil being cut through The knife blade only damages the filler layer, so to speak as a sacrificial material.
  • a cable constructed in this way can then be prepared for assembly with simple stripping tools.
  • a correspondingly equipped cable is complex and therefore expensive to produce, has an increased weight and an increased size Scope, which makes it seem impractical overall in practice.
  • the object of the present invention is to provide an advantageous device for assembling an electrical cable, with which in particular an end piece of a cable foil can be removed from the cable in a simple and reliable manner.
  • the present invention is also based on the object of providing a method for assembling an electrical cable with which, in particular, an end piece of a cable film can be removed from the cable in a simple and process-reliable manner.
  • the object is achieved for the device with the features listed in claim 1. With regard to the method, the object is achieved by the features of claim 22.
  • a device for assembling an electrical cable having a cable foil is seen before.
  • the device has a film processing module for reducing the mechanical loading capacity of the cable film at a tear position provided along a cable central axis.
  • the area of the electrical cable in which the processing primarily takes place is sometimes also referred to below as the “cable section to be processed” or the “front cable end”. If the relative information "front” is used below, this information is based on the currently processed cable end. If the relative term “rear” is used below, this is based on the rear cable end opposite the front cable end.
  • one of the two cable ends or both cable ends can be processed or assembled. If both cable ends are processed or assembled, this can be done one after the other or at the same time.
  • the cable or the cable end to be processed can be prepared for a connector assembly
  • individual connector components of a connector can be partially mounted on the cable or on the cable end to be processed;
  • a connector can be completely mounted on the cable or on the corresponding cable end.
  • a partial assembly can be provided or preliminary work can be carried out for a connector assembly.
  • the device or the method can also be used as a single Individuals of several components can be provided for assembling a cable as part of a higher-level assembly system.
  • the invention can be suitable for assembling any cable.
  • the electrical cable In the inserted state, the electrical cable can optionally - but not necessarily - be viewed as part of the device.
  • the electrical cable can have a cable sheath.
  • the cable sheath can be formed from a plastic, for example from a thermoplastic polymer, in particular from soft Po lyvinylchlorid (PVC). All further cable components of the cable can preferably be encased by the cable jacket.
  • PVC Po lyvinylchlorid
  • the electrical cable can have an outer conductor.
  • the outer conductor can preferably be designed as a braided cable shield (also known by the term "braided shield"), which has several individual wires intertwined with one another.
  • the individual wires of the braided cable shield can be designed as tinned copper wires for example.
  • the outer conductor can preferably run directly under the cable jacket; the outer conductor can, however, also form a cable component located further inside and, for example, also run directly under the cable foil.
  • the cable foil of the electrical cable can consist of a single material, in particular a plastic (e.g. polyethylene terephthalate, PET), a metal (e.g. aluminum or copper) or a textile (e.g. polyester).
  • the cable film is preferably formed as a composite film and comprises at least two individual layers of different materials.
  • the cable foil can for example have exactly two individual layers or more individual layers, exactly three individual layers or more individual layers, exactly four individual layers or more individual layers, exactly five individual layers or even more individual layers.
  • the composition of the individual layers can be any.
  • a composite film made of a plastic layer e.g. PET layer
  • the cable foil can preferably run directly below the outer conductor, in particular a braided cable shield.
  • the cable foil can also run through the cable, for example, directly below the cable jacket or at some other point.
  • the electrical cable can have exactly one inner conductor or more inner conductors, for example exactly two inner conductors or more inner conductors, exactly three inner conductors or more inner conductors, exactly four inner conductors or more inner conductors, exactly five inner conductors or more inner conductors, exactly six inner conductors or more inner conductors, exactly seven Inner conductor or more inner conductor, exactly eight inner conductors or even more inner conductors.
  • the invention can be particularly advantageously suitable for the use of a cable with a number of inner conductors which require an oval cable cross section, such as, for example, exactly two inner conductors.
  • An inner conductor can, for example, be a single wire or a stranded wire with several individual wires be trained.
  • the individual wire or the individual wires of the inner conductor can be formed from a metal wire, for example from a tinned copper wire.
  • the inner conductor or the inner conductors can preferably run below the cable foil (together with the insulation described below).
  • the inner conductors can have a respective insulation or a common insulation that envelops and electrically insulates the inner conductor.
  • the insulation can be formed from a plastic, for example from foamed polypropylene.
  • inner conductors (together with their respective insulation) can run parallel in the cable or run twisted or stranded through the cable.
  • two inner conductors form a differential inner conductor pair which run through the cable with a defined pitch (degree of twist).
  • the electrical cable can optionally also have a filler layer (“filler”) that jointly envelops a plurality of inner conductors with their respective insulations, in particular a filler layer made of a plastic.
  • a filler layer that jointly envelops a plurality of inner conductors with their respective insulations, in particular a filler layer made of a plastic.
  • the invention is particularly advantageously suitable for removing the cable film or the end piece of the cable film from electrical cables with a small cross section for data transmission, for example in the vehicle sector, particularly preferably in the field of electromobility.
  • the cable film is at least partially exposed in order to enable the film processing module to process the cable film.
  • the cable film is preferably exposed in such a way that it is accessible at least in the area of the intended tear position.
  • the intended crack position is preferably a ring-shaped area around the circumference of the cable foil with a small axial extent, at which the cable foil should tear in a controlled manner in the later course of processing (in the manner of a predetermined breaking point), a front end piece of the Separate the cable foil.
  • the film processing module has a circular blade in order to cut at least one outer layer of the cable film facing away from the cable central axis at the tear position.
  • the circular knife preferably has a circumferential, straight cutting edge.
  • the cable film can preferably be cut by the cutting edge of the circular knife and not sawed, so that no (or at least negligible) chips or burrs arise during processing.
  • the cable foil is preferably not completely cut through by the circular knife, but only cut through. In principle, the cable foil can also be cut through completely, but this is not preferred. Even if the incision can extend beyond the outer layer (partially or completely) through a deeper layer of the cable foil or even completely through the cable foil, depending on the application, it can be advantageous to treat only the outer layer of the cable foil, as the The protective effect of the cable foil can be used to protect the components of the cable located under the cable foil during the cutting.
  • the outer layer can be one or more outer material layers of a composite film.
  • the outer layer can, however, also be a radially outer region of an individual material layer of a composite film or a cable film having only a single material layer.
  • a predetermined breaking point can preferably be introduced into the cable foil by cutting.
  • the predetermined breaking point can be introduced by tapering the material (notch, perforation and / or scratch line). Due to the predetermined breaking point, the cable foil can later predictably break or tear if the load is appropriate. As a result of the predetermined breaking point or the notch effect, the cable foil can be weakened in a defined manner at the crack position.
  • the circular knife is mounted so that it is non-drive-driven but rotatable about an axis of rotation that the circular knife rolls along the circumference of the cable on the cable film during cutting.
  • the necessary cutting pressure which is introduced into the cable film via the circular knife, can on the one hand be reduced during cutting and also be adjustable with high precision.
  • a plain bearing or a roller bearing for example a ball bearing, in particular a deep groove ball bearing, can be provided in order to mount the circular knife so as to be rotatable about its axis of rotation.
  • a bearing of the circular knife with as little friction as possible around its axis of rotation can be advantageous so that the Round knife can roll off particularly easily during cutting.
  • the Rundmes water is freely or low-friction and / or completely rotatable about its axis of rotation.
  • the film processing module has a cutting depth control and / or a cutting depth limiter for the circular knife.
  • a cutting depth control and / or a cutting depth limiter for the circular knife Preferably, at least one cutting depth limiter can be provided for the circular knife.
  • the cutting depth regulation and / or the cutting depth limitation can preferably be designed to limit the cutting depth as a function of the cross-sectional geometry of a cable component, for example the cable jacket, which directly envelops the cable foil.
  • the cutting depth limiter can be circumferentially guided along the cable jacket of the cable while the circular knife cuts the cable foil.
  • the cutting depth during the radial movement of the circular blade around the cable central axis can depend directly on the course of the cable jacket and thus be optimally adapted to the cross section of the cable for each angular segment.
  • the cutting pressure is limited in such a way that the cutting depth limitation of the circular knife does not exert too much force on the cable sheath, since any deformation of the cable or the cable sheath can otherwise unpredictably affect the cutting depth limitation.
  • a cutting depth limitation can also be realized by guiding the circular knife along a backdrop.
  • the cutting depth control can have one or more sensors (for example displacement sensors such as potentiometers, strain gauges, inductive sensors, capacitive sensors or optical sensors such as laser distance sensors and / or cameras) in order to determine an actual depth of the circular knife in the cable film and / or a target -To record the depth of the circular knife in the cable foil continuously or at discrete times during the incision.
  • the recorded information can finally be used to readjust the distance between the axis of rotation of the circular knife and the central axis of the cable.
  • the cutting depth control is preferably set up in order to keep the cutting depth of the incision made by the circular knife constant along the circumference of the cable.
  • the film processing module has a cutting pressure control and / or a cutting pressure limiter for the cutting pressure applied by the circular knife to the cable film. At least one cutting edge pressure limiter can preferably be provided for the circular knife.
  • the cutting pressure can, for example, be specified and / or limited using a linear actuator or an elastic element, in particular a spring (for example a compression spring or a tension spring).
  • a linear actuator or an elastic element in particular a spring (for example a compression spring or a tension spring).
  • the cutting pressure control can have one or more sensors (for example force transducers such as spring body force transducers, piezo force transducers, electrodynamic force transducers and / or resistive force transducers) to continuously or discrete an actual pressure and / or a target pressure for the circular knife To record times during the cutting. The recorded information can then be used to readjust the cutting pressure.
  • force transducers such as spring body force transducers, piezo force transducers, electrodynamic force transducers and / or resistive force transducers
  • the cutting pressure of the circular knife is preferably kept constant during the circumferential cutting.
  • the film processing module has a fixing device which is set up to fix the cable axially and / or radially.
  • the orientation of the cable during the cutting can be ensured and, on the other hand, twisting and / or displacement of the cable can be prevented during the cutting.
  • the fixing device can have one or more clamping jaws which can be advanced in the direction of the cable central axis.
  • the film processing module has a guide bushing with a through-hole for passing the cable through.
  • the cable can be guided through the through hole of the guide bushing with its front end in particular, or can be passed through.
  • the guide bushing is able to stabilize the cable during the cutting.
  • the guide socket se can also be designed to fix the cable axially and / or radially; the guide bushing can thus optionally be part of the fixing device.
  • the cable is taken up relative to the guide bushing so that it cannot rotate in the guide bushing.
  • the guide bushing has an end face at an end facing the circular knife.
  • the end face can have a window through which the cable (or the front cable end) can pass.
  • the window can optionally have a geometry that is adapted to the cable (or the front cable end which has already been pre-processed, for example freed from the cable jacket and the outer conductor).
  • the circular knife can advantageously be guided along the end face during the radial infeed in the direction of the cable central axis and / or while cutting into the cable foil. It can thus be cut preferably along the end face or along the socket edge of the guide socket.
  • the guide bushing has a window through which the cable (or its front cable end) can pass on the front side, in particular when the window is adapted to the outer geometry of the cable, the cable can advantageously be secured against twisting, for example when the cable has an oval or some other non-round geometry.
  • the orientation of the cable within the guide bushing can be known, which can be advantageous for even cutting into the cable foil.
  • the circular knife can be guided around the guide bushing along the outer radius of the guide bushing in order to provide a cut depth limitation.
  • the film processing module has a rotation device which is set up to rotate the cable about the cable central axis and / or to rotate the circular knife along the circumference of the cable around the cable.
  • either the cable is rotated around the cable central axis or the circular knife along the circumference of the cable around the cable.
  • the rotation device is set up to rotate the fixing device and / or the guide bushing together with the cable about the cable central axis.
  • the cable can preferably be fixed axially and / or radially within the guide bushing. A Dre hung of the cable about its central axis can thus take place particularly advantageously by rotating the guide bush.
  • a separating module arranged downstream of the film processing module is provided for separating a cable film piece or an end piece of the cable film at the tear position.
  • the film processing module has weakened the mechanical load-bearing capacity of the cable film in a defined manner at the intended tear position, a subsequent severing of the end piece of the cable film can take place particularly easily and precisely. Due to the pre-processing of the cable foil by the foil processing module, a separating module can thus advantageously be used in the context of an automated cable assembly.
  • the separating module can have means to twist and / or bend the cable, the cable foil and / or the end piece of the cable foil. As a result, the notch / predetermined breaking point or the incision previously introduced at the intended tear position can be widened until the cable film finally tears off completely at the tear position.
  • the separating module has a gripping tool which is set up to grasp the end piece of the cable film to be separated adjacent to the tear position.
  • a gripping tool can be used particularly advantageously for removing or tearing off the end piece of the cable foil.
  • the gripping tool is preferably designed to only grip the end piece of the cable foil.
  • the gripping tool is particularly preferably set up to grasp the end piece of the cable foil in the region of a front end section.
  • the gripping tool has two gripping jaws which can be advanced in the direction of the cable central axis.
  • more than two gripping jaws are provided, for example three gripping jaws or more gripping jaws or four gripping jaws or even more gripping jaws.
  • the gripping jaws can be advanced to the cable center axis in a linear movement. However, the gripping jaws can also be delivered to the cable center axis in a curved movement.
  • the gripping jaws can be arranged on respective clamping legs.
  • the clamping legs can optionally be mounted in a common pivot point.
  • the clamping force with which the gripping tool fixes the cable, the cable foil and / or the end piece of the cable foil can be limited or regulated.
  • the separation module has an actuator device which is set up to twist and / or bend the cable together with the cable film in such a way that the end piece of the cable film is separated at the tear position.
  • the actuator device can have, for example, one, two, three, four or more plungers that can be advanced to the cable in order to bend the cable together with the cable film.
  • the actuator device can, for example, also have at least one eccentric in order to bend the cable together with the cable film.
  • the actuator device can be set up to bend the cable together with the cable film along at least one degree of freedom, preferably along at least two degrees of freedom.
  • the actuator device is set up to tilt the gripping tool along at least one degree of freedom of rotation (relative to the cable central axis), while the gripping tool fixes the cable or the cable foil or the end piece of the cable foil.
  • Mechanical stress on the cable foil at the tear position can be introduced into the cable or into the cable foil / the end piece of the cable foil, in particular, advantageously via the gripping tool.
  • the actuator device can thus advantageously be coupled to the gripping tool, for example to the gripping jaws or the clamping legs.
  • the closed gripping tool can further increase the mechanical stress on the cable foil caused by twisting and / or bending, since the cable foil's path, which changes due to the twisting / bending, is prevented, which means that the cable foil will tear even with slight deflections can be done completely and safely.
  • the separating module also has further means for separating the end piece of the cable foil along the intended tear position.
  • a sonotrode can be used to introduce high-frequency mechanical vibrations into the cable or into the cable foil and to set the cable or the cable foil into resonance vibrations.
  • vibration conveyors and other vibration devices can also be provided in order to trigger and / or at least support the separation of the end piece of the cable foil.
  • a stream of air for example through pulse-controlled compressed air (sucking and / or blowing), can also be provided for separating the end piece of the cable film at the Risspo position previously mechanically weakened with the circular knife.
  • the end piece of the cable film is pulled off the cable together with the guide bushing after it has been separated by the separating module.
  • the end piece of the cable foil can, however, also be removed from the cable by brushing off the end piece, blowing it off, winding it off, stripping it and / or pulling it off together with a previously partially pulled-off cable jacket piece.
  • a cleaning module is provided downstream of the separating module for removing particles or film residues adhering to the cable.
  • the use of the cleaning module can ensure a high quality of the packaging and exclude sources of error in the finished product (in particular short circuits due to metallic foil particles, mechanical blockages and leaks).
  • the cleaning module can ensure technical cleanliness when assembling the electrical cable.
  • the cleaning process can be implemented or implemented in different ways. However, any combinations of the following variants are particularly suitable, but also individual solutions if appropriate.
  • the cleaning process includes blowing off the particles or film residues.
  • particles and film residues can be blown off with a strong air jet.
  • the electrical cable is introduced into an annular nozzle, after which the particles or film residues are blown off by means of the annular nozzle.
  • the ring nozzle can have one or more inflows for the air supply.
  • a single inflow or two inflows can be provided.
  • the ring nozzle has a plurality of individual air outlets / nozzles or a completely or at least partially ring-shaped circumferential air outlet in the manner of an annular gap.
  • annular nozzle Even if an annular nozzle is particularly preferred, a conventional air nozzle or several air nozzles can also be used. sen be provided in order to be able to remove the particles or film residues more precisely and with greater flexibility. For example, a flat jet nozzle can be provided.
  • the cleaning process includes suctioning off the particles or film residues.
  • a round nozzle, a flat jet nozzle or some other nozzle can be provided for suction.
  • an air flow generated in the course of the cleaning process is pulse-controlled.
  • a pulse-controlled air flow can be suitable, for example, for blowing off and / or for suction.
  • the pulsed air jet makes it easier to remove the particles or film residues from the surface, as they loosen up first.
  • a turbulent air flow can also arise, which supports the detachment of the particles or film residues from the electrical cable or the components attached to the cable during assembly.
  • ionized air is fed to the cable end during the cleaning process in order to reduce the electrostatic attraction of the particles or film residues.
  • the targeted reduction of electrostatics can be advantageous in particular for removing particles or film residues from a plastic.
  • the components of the device that come into direct contact with the particles or the film residues during assembly can be conductive and grounded (for example, the following brushes described).
  • the cable end is exposed to defined vibrations during the cleaning process in order to loosen the particles or film residues.
  • the vibrations can loosen micro-entanglements and then remove the particles or film residues more easily.
  • a vibration method can be particularly suitable in combination with blowing off or sucking off the particles. It can be advantageous to initiate the vibrations as close as possible to the contamination.
  • magnetic particles or magnetic film residues are removed using one or more magnets (permanent magnets and / or electromagnets) by means of magnetic attraction.
  • a quality monitoring module downstream of the separation module is provided for checking the processing quality of the cable.
  • the most comprehensive possible quality monitoring can be advantageous in particular in the context of fully or partially automated cable assembly in the context of mass production.
  • the cable assembly can be made transparent and comprehensible for the end customer. It can be provided that at least one cable end of the cable is in the state after the end piece of the cable film has been removed, in particular after a previous cleaning by the cleaning module.
  • the quality monitoring module can in principle also be provided at another point or at several points in the cable processing.
  • a quality monitoring module or at least an optical check of the cable end can be arranged upstream of a processing module or several (or all) processing modules of the device.
  • at least one optical sensor can be arranged in a receiving area of the processing module, whereby the cable end, while it is being fed into the processing module, can be checked by the quality monitoring module or by the optical sensor.
  • the condition of the cable end can be detected by means of an optical sensor device for optical quality monitoring.
  • optical quality monitoring various quality features can advantageously be used.
  • the result of the processing of the cable foil can be checked. For example, it can be checked whether a cut has been made in a cable component running beneath the cable component, for example the insulation of an inner conductor. In addition, it can be checked whether cut residues in the area of the crack position protrude from the cable foil remaining on the cable or adhere to another cable component. Finally, it can also be checked whether the cable film remaining on the cable has protruding corners in the area of the crack position or the accuracy / the course of the separation point can be checked.
  • the tested cable if it does not have the required quality, can be removed from production or marked for post-processing.
  • the result of the quality monitoring can optionally be recorded or stored on the cable, on a workpiece carrier assigned to the cable and / or in a database so that it can be assigned to the cable.
  • the line of sight of a first optical sensor is aligned with the cable end, with a first loading lighting unit is arranged along the line of sight of the first sensor behind the cable end to generate transmitted light for the detection of the state of the cable end.
  • the line of sight of the optical sensor is preferably a central axis of the optical detection area or detection cone with which the sensor detects or perceives its surroundings.
  • the line of sight of a second optical sensor is aligned with the cable end, a second lighting unit being arranged along the line of sight of the second sensor in front of the cable end in order to generate incident light for the detection of the condition of the cable end .
  • the first optical sensor and / or the second optical sensor is designed as a camera (preferably as an electronic camera) or has a camera.
  • the optical sensors, in particular the cameras, can be designed and set up, for example, to capture at least one individual image, preferably several individual images, or a video sequence. The individual images or the video sequence can or can subsequently be evaluated by a control device.
  • the second optical sensor is arranged offset by a defined angle to the first optical sensor, preferably offset by 10 s to 170 s , particularly preferably offset by 45 s to 135 s is arranged, is more preferably arranged offset by 80 s to 100 s , and very particularly preferably arranged offset by 90 s .
  • the first optical sensor and the second optical sensor are each aligned orthogonally to the cable central axis or longitudinal axis of the electrical cable and are arranged offset from one another by approximately 90 ° or exactly 90 °. In particular, a simultaneous detection of the cable by both optical sensors can thereby take place relatively smoothly or independently of one another.
  • the first lighting unit emits light in a first light color and / or in a first light polarization, which is predominantly or exclusively perceptible by the first optical sensor and predominantly not or not perceptible by the second optical sensor is. Because the light from the first lighting unit is predominantly or exclusively perceptible by the first optical sensor, the quality monitoring by the first optical sensor and the first lighting unit preferably does not influence the quality monitoring by the second optical sensor.
  • the first optical sensor and the second optical sensor carry out time-staggered measurements, the first lighting unit only illuminating the cable end at time intervals in which the first optical sensor is performing the measurement, and the second Lighting unit only illuminates the end of the cable in time intervals in which the second optical sensor is performing the measurement.
  • the first optical sensor and / or the second optical sensor is rotated around the cable central axis of the cable during the detection of the state of the cable end and / or that the cable is rotated around the cable central axis while the first optical sensor and / or the second optical sensor detects the state of the cable end.
  • the first lighting unit is rotated synchronously with the first optical sensor and / or that the second lighting unit is rotated synchronously with the second optical sensor.
  • the first sensor can also be rotated synchronously with the second sensor.
  • both sensors and both lighting units can be attached to a common frame.
  • a cable shield processing module upstream of the film processing module is provided for cutting to length and / or folding over a cable shielding braid of the cable that is exposed from a front cable end of the cable to a stripping position.
  • the cable shield processing module for cutting to length and / or folding the cable shielding braid of the cable can also be arranged downstream of the film processing module if the cable shielding braid is arranged below the cable film.
  • the stripping position can in particular be a position along the cable central axis of the cable from which the cable sheath of the cable is stripped.
  • the stripping position can thus in particular be the axial position along the cable central axis of the cable from which the cable sheath is present again, starting from the front cable end.
  • the Jardinplasticbearbei processing module has at least one drivable brush which is set up to fold the cable shield braid of the cable by brushing starting from the front cable end of the cable in the direction of a cable end opposite the front end.
  • Brushing the braided cable shield to fold the braided cable shield can be particularly suitable for different types of cables or cable geometries and thus lead to a good result regardless of the specific type of cable.
  • the "brushing over" of the cable shielding braid can even be well suited for oval cable geometries, for example for data lines with a number of inner conductors in which the inner conductors cannot be distributed symmetrically in the cable (e.g. for a data cable with exactly two inner conductors).
  • At least two drivable brushes or more brushes, at least three drivable brushes or more brushes, at least four drivable brushes or even more brushes can be used.
  • the cable shielding braid can be completely processed.
  • the use of exactly two brushes is particularly preferred, since it has been shown on the basis of test series that a sufficient brushing result for laying down the cable shielding braid can be achieved with just two brushes. In principle, however, even more brushes can be provided. The use of only a single brush can also be provided if necessary.
  • the cable is rotated around the central axis of the cable during the brushing and / or that the at least one brush is rotated around the circumference of the cable during the brushing in order to ensure the most comprehensive possible processing.
  • Turning the cable / brush (s) can be particularly advantageous if the number of brushes is small.
  • the at least one drivable brush is advanced in the direction of the cable central axis of the cable before and / or during the brushing.
  • the cable shielding braid is moved along the at least one brush (for example through between the brushes) during brushing or while the cable shielding braid is being folded over and / or that the at least one brush is moved along the cable central axis of the cable via the Cable is moved.
  • the brushes are designed as round brushes.
  • a round brush can be understood to mean any brush that can be driven around a central axis, for example so-called cup brushes and tapered brushes.
  • the round brushes do not have to be completely round but can, for. B. also be oval.
  • any desired brushes can be provided, for example also brushes that carry out a linear movement or around brushes that run around.
  • the brushes have a nylon trim.
  • any brush trim can be suitable, for example a brush trim made of natural fibers, synthetic fibers or wire.
  • a person skilled in the art can select a braid suitable for brushing the cable shield depending on the application and depending on the material of the braid.
  • the cable is fixed against rotation during the brushing or during the folding of the cable shielding braid, for example by means of the fixing device.
  • An axial securing of the electrical cable for example by means of the fixing device, permanently or only during certain processing steps, is possible.
  • the cable shield processing module has a control device which is set up to determine a defined folding position for the cable shield braid along the cable central axis.
  • the fold-over position is the position along the cable central axis of the cable, starting from which the cable shielding braid is folded over or bent over to be folded down.
  • the folding position can be the turning point of the course of the folded Jardinplasticge braid at which the cable shield braid reverses its course in the direction of the rear cable end.
  • the cable screen processing module has a feed device which is set up to apply a molded sleeve to the cable and to position it at the folding position with a front end facing the front cable end.
  • the shape of the folding area of the braided cable shield can advantageously be given by the molded sleeve.
  • the use of the molded sleeve can also increase the flexibility when turning over the braided cable shield, since the braided cable shield no longer necessarily has to be folded over directly onto the cable or its cable sheath or onto a connector component of the later connector.
  • a support sleeve pre-assembled on the cable of the later connector has an axial longitudinal slot
  • individual wires of the Jardinplasticge braid penetrate into the longitudinal slot when folded and protrude undefined beyond the rear end of the support sleeve due to the associated length gain. This is important to ensure good electrical properties and to avoid short circuits in the assembly of the connector.
  • the radial distance or the distance between the folded cable shielding braid and the cable jacket of the cable or a connector component of the connector that is preassembled on the cable jacket can be specified or influenced by the molded sleeve.
  • the shaped sleeve can also be used to predetermine the axial folding position along the cable central axis by positioning the front end of the shaped sleeve.
  • the shaped sleeve is independent of an electrical connector to be mounted on the cable end to be processed.
  • the molded sleeve is thus preferably not part of the later plug connector.
  • the molded sleeve is preferably only a component of the cable shield processing module and can therefore advantageously be used to fold the cable shield braid.
  • it can be provided that the molded sleeve is removed again from the cable after the braid cable shielding has been folded over onto the molded sleeve.
  • the molded sleeve can preferably be removed from the cable without being destroyed.
  • the molded sleeve has a round cross section.
  • the shaped sleeve can also have an oval, rectangular or other cross section.
  • the geometry can preferably correspond to or at least approximately correspond to the geometry of the cable jacket or a connector component to be mounted on and / or under the folded-over cable shield braid. Since the connector components to be mounted on or under the braided cable shield generally have a round internal or external geometry, a round molded sleeve is usually advantageous.
  • the molded sleeve tapers in the direction of the front end.
  • the molded sleeve can also only taper in sections. In this way, for example, after folding down additional connector components or a die for cutting the cable shield braid, starting from the rear cable end, can be inserted particularly easily under the Jardinplasticge braid.
  • the shaped sleeve can for example taper along an angle of 20 ° to 70 °, preferably along an angle of 30 ° to 60 °, particularly preferably along an angle of 40 ° to 50 °, for example 45 °.
  • the shaped sleeve does not taper and, on the other hand, is designed to fold the cable shielding braid completely backwards, possibly even to fold it over a bulge on the end of the shaped sleeve.
  • This variant is particularly suitable when the Ka beltubgeflecht no longer needs to be cut after folding, z. B. when the dimensions of the connector are already matched to the length of the cable screen braid remaining after stripping and folding.
  • the molded sleeve is formed from two half-shells or more half-shells, which are advanced in the direction of the cable central axis in order to apply the molded sleeve to the cable.
  • the molded sleeve can also be designed in one piece, in particular in the form of a tube.
  • the molded sleeve is applied to the cable via a plug connector component of an electrical plug connector that is pre-assembled on the cable, preferably via an (axially slotted) support sleeve of the plug connector.
  • the molded sleeve can thus cover the connector component of the later connector, for example the axially slotted support sleeve of the connector, while the braided cable shield is being brushed over.
  • Unprecedented contours and areas of the connector component, such as an axial longitudinal slot, can therefore no longer negatively affect the folding of the braided cable shield.
  • the connector components can be protected from the rotating brushes by the molded sleeve.
  • the fold-over position deviates from the stripping position.
  • the fold-over position can thus advantageously be varied independently of the stripping position. In this way, for example, tolerances in the stripping position or in the assembly position of a connector component can be taken into account and compensated for.
  • a connector component for example a support or crimp sleeve
  • the contacting of the braided cable shield with a connector component can be improved if the position of the braided cable shield does not directly correspond to the stripping position.
  • the fold-over position is determined in such a way that the fold-over position along the cable central axis of the cable is closer to the cable end to be processed than the stripping position.
  • the fold-over position can thus be further "forward" along the cable center axis than the stripping position. This means that a distance to the stripping position can be maintained when the Jardinplasticge braid is folded over.
  • This can be of particular advantage for the assembly of a connector for high-frequency technology, since the contacting of an external conductor contact of the connector with the braided cable shield of the cable can then take place further to the front of the cable.
  • the fold-over position corresponds to the stripping position.
  • a set-back fold-over position behind the stripping position can also be provided in special cases, for example in order to convert the cable shielding braid in steps.
  • the fold-over position is determined as a function of an assembly position of a connector component of an electrical connector that is preassembled on the cable. In this way, tolerances in the mounting position of the connector can be compensated for. In particular, it can be avoided that the reversed cable shielding braid protrudes to the rear over the connector component - even if the The assembly position of the connector component along the central axis of the cable is subject to high tolerances.
  • the folding position is determined as a function of the isolating position. It can be provided, for example, to set the fold-over position at a defined distance from the stripping position, for example 0.1 mm to 5.0 mm offset to the stripping position, preferably set 0.1 mm to 2.0 mm offset to the stripping position , very particularly preferably 0.1 mm to 1.0 mm offset to the stripping position.
  • the molded sleeve has an end stop surface for the braided cable shield.
  • a frontal stop surface of the molded sleeve can improve contacting of the cable shield braid with, for example, a support, press or crimp sleeve or other connector component, since the folded cable shield braid then follows the course of the stop surface and forms a "spring-loaded" or elastic frontal contact with the connector component can.
  • the end-face stop surface of the molded sleeve preferably forms a defined edge for turning over the braided cable shield.
  • the frontal stop surface of the molded sleeve extends at least in sections orthogonally to the cable central axis when the molded sleeve is applied to the cable.
  • a non-orthogonal direction of the end stop surface can also be provided, for example any angled direction of the stop surface to the cable central axis.
  • the shaped sleeve has a bevel and / or a transition radius at the front end, preferably between the end-face stop surface and a side surface of the shaped sleeve.
  • a chamfer and / or a transition radius can further improve the brushing result when the cable shielding braid is folded over and also reduce the stress on the cable shielding braiding due to sharp kinks.
  • the cable shield processing module has a die with a system for the cable shield braid and a punching device, the punching device being able to sever the cable shield braid resting on the system of the die.
  • the die can have a through hole for the cable to pass through.
  • the die can be advanced along the cable center axis in the direction of the front cable end in order to place the cable shield braid, which was previously at least partially folded over during the cable shield processing, on the front side of the system.
  • the die can thus serve as a system for a subsequent shear cut.
  • a shear or punch cut can be made by means of the punching device. If necessary, a fine cut can then be made in order to reliably cut off all the individual wires of the braided cable shield.
  • the assembly of the cable can advantageously be divided into individual processing steps and / or processing modules, for example the processing modules mentioned above and below.
  • the device can also have a modular structure, as a result of which individual processing modules can be replaced, modified or removed without great effort.
  • the device can be configured with simple means, in particular special for processing different types of cables.
  • the device according to the invention can optionally also have exclusively the film processing module and otherwise no further processing modules.
  • the invention also relates to a method for assembling an electrical cable having a cable foil.
  • the mechanical load-bearing capacity of the cable foil is reduced at a tear position provided along a cable central axis.
  • at least one outer layer of the cable foil facing away from the cable central axis is cut into at the intended tear position by means of a circular knife.
  • the circular knife can be part of a film processing module, in particular the film processing module of the device according to the invention described above and below.
  • the cable foil is at least partially cut in the shape of a ring, completely or in sections along the circumference of the cable.
  • the mechanical load-bearing capacity is reduced symmetrically around the circumference of the cable foil.
  • the mechanical load-bearing capacity of the cable film along the cable central axis is reduced completely or in sections in the area of the cable section to be processed.
  • the cable foil is incised at the crack position in such a way that a crack is formed through the outer layer and preferably at least partially also through an inner layer of the cable foil located under the outer layer.
  • a crack is partially ring-shaped, completely or partially encircling along the circumference of the cable foil and / or along the cable central axis only in the outer layer or in part of the outer layer.
  • a crack is partially ring-shaped, completely or partially circumferentially along the circumference of the cable film and / or along the cable central axis in the radial direction completely through the cable film, i.e. H. through the outer layer and through the inner layer.
  • a crack that only partially penetrates the inner layer of the cable foil is also possible.
  • a crack in the cable foil can represent a suitable predetermined breaking point or reduce the mechanical loading capacity of the cable foil at the crack position to the desired extent.
  • the type of crack i.e. H.
  • the person skilled in the art can determine the length, depth and width as well as, if necessary, the number of cracks.
  • the circular knife rolls along the circumference of the cable on the cable film during the cutting.
  • the cutting depth and / or the cutting pressure of the circular knife is regulated or at least limited during the cutting along the circumference of the cable.
  • the cable is fixed axially and / or radially during processing, in particular while cutting into the cable foil.
  • the front cable end is passed through a through-hole of a guide bushing before cutting into the cable foil.
  • the cable is rotated around the cable central axis and / or that the circular knife is rotated along the circumference of the cable around the cable while the cable film is cut by the circular knife.
  • the guide bushing can preferably be rotated together with the cable about the cable center axis.
  • the cable is twisted and / or bent after reducing the mechanical load-bearing capacity in such a way that an end piece of the cable foil is severed in a partially annular or circumferential manner along the tear position.
  • the end piece of the cable foil to be separated is held adjacent to the tear position, for example by means of a gripping tool.
  • one, two, three, four or more actuators in particular linear motors or driven cylinders
  • actuators in particular linear motors or driven cylinders
  • eccentric are used to twist the cable section to be machined and / or bend it along at least one degree of freedom.
  • first cable foil can be provided between the cable jacket and the cable shielding braid and a second cable foil between the dielectric or insulation and an inner conductor.
  • the invention can also be used to remove multiple cable films or cable film pieces from an electrical cable.
  • the described device can also have further processing modules or the described method can also provide for further processing steps.
  • the aforementioned processing modules or process steps can be combined or divided up as desired, as well as (if technically sensible) exchanged in the order and supplemented with further processing modules or process steps.
  • a cable sheath processing module can be provided to strip the cable sheath of the cable.
  • the cable jacket can preferably be cut in a completely ring-shaped circumference in order to separate a cable jacket piece. But it can also be provided to cut the man tel only partially ring-shaped or in sections circumferentially and z. B. initially to leave individual connecting webs.
  • the cable sheath processing module is designed to carry out a partial withdrawal of the Lucasman tel Publisheds from the cable after the separation of the cable sheath piece.
  • the cable jacket piece can be at least partially removed from the cable foil or from the braided cable shield in an axial direction along the cable central axis.
  • a fitting module for fitting the cable with at least one plug connector component for example a support sleeve
  • the connector component can also be a sealing ring, for example.
  • the connector component can be pushed onto the cable by the assembly module in the axial direction along the cable central axis, starting from the front cable end.
  • the connector component in particular a support sleeve on which the cable (for example on the cable sheath of the cable) is pressed or crimped.
  • a transport device can also be provided in order to deliver the cable section of the cable to be processed to the processing modules one after the other.
  • the transport device can in particular be designed in the manner of a conveyor belt and transport at least one cable from processing module to processing module.
  • the transport device preferably transports several cables from processing module to processing module in order to simultaneously deliver a respective cable to several processing modules for processing them, so that as many processing modules as possible are constantly used to capacity in order to achieve a high throughput.
  • the transport device can optionally have one or more grippers in order to deliver one or more cables.
  • the invention also relates to a computer program product with program code means in order to carry out a method according to the statements above and below when the program is executed on a control device of a device for assembling a cable.
  • the control device can be designed as a microprocessor. Instead of a microprocessor, any other device for implementing the control device can also be provided, for example one or more arrangements of discrete electrical components on a circuit board, a programmable logic controller (PLC), an application-specific integrated circuit (ASIC) or other programmable circuit, for example also a field programmable gate array (FPGA), a programmable logic arrangement (PLA) and / or a commercially available computer.
  • PLC programmable logic controller
  • ASIC application-specific integrated circuit
  • FPGA field programmable gate array
  • PLA programmable logic arrangement
  • the invention also relates to an electrical cable processed by a method according to the preceding and subsequent embodiments.
  • the invention also relates to an electrical cable which has been processed with a device according to the above and subsequent embodiments.
  • the invention can be particularly advantageous for assembling a cable for data transmission (data line), in particular for high-frequency technology.
  • a device (and a corresponding method) for assembling an electrical cable having a cable film having a film processing module for reducing the mechanical load-bearing capacity of the cable film at a tear position provided along the central axis of the cable, the film processing module having a knife (in particular a straight knife) or comprises a molding tool in order to cut at least one outer layer of the cable foil facing away from the cable central axis at the tear position;
  • a device for assembling an electrical cable having a cable film, having a cleaning module for removing particles or film residues adhering to the cable;
  • a device for assembling an electrical cable having a cable foil, having a quality monitoring module for checking the processing quality of the cable;
  • a device for assembling an electrical cable having a cable foil, having a cable screen processing module for cutting and / or turning over a cable screen braid of the cable that is exposed from a front cable end to a stripping position.
  • FIG. 1 shows a device according to the invention for assembling an electrical cable with a transport device and with several processing modules
  • FIG. 2 shows a perspective illustration of an exemplary electrical component to be assembled
  • FIG. 3 shows a cable shield processing module for cutting to length and folding down a cable shield
  • FIG. 4 shows the cable shield processing module of FIG. 3 in a second processing step, after which the molded sleeve has been positioned at the fold-over position;
  • FIG. 5 shows the cable shield processing module from FIG. 3 in a third processing step, while the cable shield braid is folded over the molded sleeve using two brushes;
  • FIG. 7 shows a die and a punching device of a cable shield processing module for cutting the cable shielding braid
  • FIG. 9 shows a film processing module with a circular knife for cutting the cable film at an intended tear position in a simplified representation
  • FIG. 10 shows a further film processing module with a circular knife for cutting the cable film at an intended tear position with a guide bushing
  • FIG. 11 shows the guide bush of FIG. 10 in a perspective illustration
  • FIG. 12 shows a circular knife, guided along a backdrop, of a further film processing module for cutting the cable film at the tear position
  • FIG. 13 shows a separating module with a gripping tool and an actuator device for moving the
  • FIG. 14 shows a further separating module with a gripping tool and an actuator device for handling the gripping tool while the gripping tool fixes the end piece of the cable foil;
  • FIG. 16 shows a quality monitoring module for checking the processing quality of the cable.
  • Fig. 1 shows a device 1 for assembling an electrical cable 2.
  • the device 1 is le diglich highly schematized and shown by way of example.
  • the electrical cable 2 can be prepared for mounting an electrical connector (not shown) on the cable end to be processed (in the present case also referred to as the front cable de).
  • the connector components of the later connector can also be pushed onto the cable end to be processed or mounted on the cable end.
  • the connector can, if necessary, also be completely mounted on the cable end to be processed. If necessary, both cable ends can also be assembled.
  • the device 1 shown in Fig. 1 has, for example, a plurality of processing modules 3-12, each of which is indicated as a black box. Two processing modules 1 1, 12 are combined to form a module group 13, for example. This will be discussed in more detail below.
  • the device 1 has a transport device 14 in order to deliver the cable 2 to be processed along a transport direction T to the processing modules 3-12 or to the module group 13.
  • the transport device 14 can have one or more conveyor belts 1 5 in order to transport the cable 2 in a workpiece carrier 16.
  • the workpiece carrier 16 can be designed to deliver the cable 2 orthogonally to the transport direction T into the respective processing module 3-12 or into the module group 13.
  • the transport device 14 can also have a roller conveyor in order to ensure that the cable 2 is transported with as little friction as possible, with a production employee being able to move the cable 2 manually between the individual processing modules 3-12, if necessary.
  • the transport device 14 can also have one or more gripper units with at least one gripper 17 in order to convey the cable 2 individually between the processing modules 3-12 or module groups 13 or in the workpiece carrier 16.
  • the processing modules 3-12 and / or module groups 13 can be clocked in a synchronized manner in order to provide the most efficient possible production line for assembling the cable 2.
  • the device 1 according to the invention is suitable for assembling any cable 2.
  • the invention is particularly advantageously suitable for assembling an electrical cable 2 in the manner shown in FIG.
  • the invention is therefore described below essentially for the assembly of a two-wire, shielded data cable; however, this is not to be understood as restrictive.
  • the electrical cable 2 shown by way of example in Fig. 2 has a cable sheath 1 8 which envelops all wide Ren cable components. Immediately below the cable jacket 18 runs a Jardinplastic braid 19 from interwoven individual wires. Immediately below the cable shield A cable foil 20 runs braid 19 and extends, for example, wound through the cable 2 along the cable central axis M. The cable foil 20 envelops two inner conductors 21, which in turn each run in an insulation 22.
  • the inner conductors 21 can be designed as individual wires or, however, preferably as a strand of several individual wires.
  • the device 1 can, for example, have a stripping module 3 (cf. FIG. 1) in order to expose the cable shielding braid 19 in the region of the front cable end from the cable jacket 18.
  • the separated cable jacket piece can already be completely removed from the cable 2 (complete withdrawal) or initially still partially remain on the cable 2 (partial withdrawal).
  • a fitting module 4 (cf. FIG. 1) can be arranged downstream of the stripping module 3 in order to equip the cable 2 with one or more plug connector components, for example the support sleeve 23 shown.
  • the connector components can also already be attached to the cable 2, for example pressed or crimped.
  • the assembly module 4 can be followed by one or more cable screen processing modules 5, 6, 7 for cutting to length and / or folding over the cable screen braid 19 of the cable 2, which is exposed starting from the front cable end up to a stripping position P A (see. Fig. 3).
  • cable screen processing modules 5, 6, 7 for cutting to length and / or folding over the cable screen braid 19 of the cable 2, which is exposed starting from the front cable end up to a stripping position P A (see. Fig. 3).
  • three cable shield processing modules 5, 6, 7 are shown, which can optionally also be combined into a single cable shield processing module or combined in a separate module group.
  • the breakdown into individual processing steps shown and described below is only to be understood as an example.
  • a first cable shield processing module 5 can be designed to fold over the cable shield braid 19 starting from the front cable end in the direction of the opposite cable end.
  • the first cable shield processing module 5 can be designed, for example, as shown in Figures 3 to 5 Ren.
  • the first cable shield processing module 5 can, for example, have a control device 24 (indicated in FIG. 3) which is set up to determine a defined folding position Pu for the cable shield braid 19 along the central cable axis M.
  • the fold-over position Py preferably deviates from the stripping position P A.
  • the first cable screen processing module 5 can also have a feed device 25 which is set up to apply a molded sleeve 26 to the cable 2 and to position it with a front end facing the front cable end at the folding position Py (see FIGS. 3 and 4).
  • the feed device 25 can be designed to feed the cable 2 and / or the molded sleeve 26.
  • the delivery device 25 has two in the direction of the cable central axis M slidable clamping jaws 27 to fix the cable 2 on its cable jacket 18 and then sweptd in the immovable form sleeve 26 linearly.
  • the molded sleeve 26 has an end stop surface 28 for the braided cable shield 19.
  • the molded sleeve 26 tapers in the direction of its front end or the stop surface 28.
  • the mold sleeve 26 does not taper ver to its front end; the braided cable shield 19 can then be completely folded over.
  • the control device 24 can be set up to transmit corresponding control signals to the delivery device 25 after the defined Umlegepositi on Py has been determined in order to position the molded sleeve 26 accordingly.
  • the fold-over position Pu can in particular be determined such that the fold-over position Pu is arranged along the cable central axis M of the cable 2 closer to the front cable end than the stripping position P A.
  • the fold-over position P y can in particular also be determined as a function of the assembly position of a pre-assembled connector component of the later connector - for example, depending on the assembly position of the support sleeve 23.
  • the fold-over position Pu can also be determined as a function of the stripping position P A.
  • At least one drivable brush 29 (cf. FIG. 5) can be driven in the direction of the rear cable end in such a way that the braided cable shield 19 is brushed over the support sleeve 23.
  • two brushes 29 are used. In principle, however, any number of brushes 29, possibly also just a single brush 29, can be provided. The use of exactly two brushes 29, however, has proven to be particularly advantageous, in particular for the cable type shown in FIG. 2.
  • FIG. 6 shows the state of the cable 2 after the braided cable shield 19 has been folded over onto the molded sleeve 26 and after the molded sleeve 26 has been removed. Due to the geometric shape of the molded sleeve 26, the braided cable shield 19 has not yet been completely folded over onto the support sleeve 23. This can be particularly advantageous for a subsequent cutting of the cable shielding braid 19.
  • a second cable shield processing module 6 following the first cable shield processing module 5 can be designed to cut the cable shielding braid 19 to length in a defined manner.
  • the cutting to length can be done in different ways.
  • the cable shielding braid 19 can be cut directly on the molded sleeve 26 shown in FIGS. 3 to 5. the.
  • cutting to length by means of a die 30 shown in FIG. 7 with a system for the cable shielding braid 19 and with a punching device 31 can be provided, the punching device 31 being able to separate the cable shielding braid 19 resting on the system of the die 30 in a defined manner.
  • the cable shielding braid 19 is no longer cut to length after it has been folded down (this is actually even preferred, since then no film residues or no particles arise).
  • the length of the cable shielding braid 19 then already corresponds to the desired target length when or after it is folded over the molded sleeve 26.
  • the braided cable shield 19 can then preferably already be completely folded over; In particular, the third cable shield processing module 7 described below can then also be omitted.
  • FIG. 8 shows an example of a third cable shield processing module 7, which can be arranged downstream of the second cable shield processing module 6, as indicated in FIG. 1.
  • the third Galkbearbei processing module 7 can be designed to fold the cable shielding braid 19 in the direction of the rear cable end on the support sleeve 23.
  • a folding aid 32 can be used for this purpose.
  • the third cable screen processing module 7 can be followed by an orientation module 8 (cf.
  • the orientation module 8 can be particularly suitable for assembling electrical cables 2 that do not have a coaxial structure, such as the two-core cable 2 shown in FIG. 2.
  • the orientation of the cable or the rotative alignment of its inner conductor 21 can be used for the subsequent film processing may be advantageous.
  • a possible twist or twist in the inner conductor 21 can also be taken into account.
  • the orientation module 8 can optionally be dispensed with.
  • a film processing module 9 for reducing the mechanical loading capacity of the cable film 20 can be provided at a tear position P R provided along the cable central axis M (cf. FIG. 13).
  • the film processing module 9 can be arranged downstream of the orientation module 8, as indicated in FIG. 1.
  • FIGS. 10 and 12 show further exemplary embodiments of a film processing module 9 according to the invention with further details.
  • the support sleeve 23 is hidden in FIG. 9 and in FIG. 12 for reasons of simplicity of illustration.
  • the film processing module 9 has a circular knife 33 in order to cut at least one outer layer of the cable film 20 facing away from the cable center axis M at the tear position P R.
  • the Circular knife 33 can be mounted so that it is non-drive-driven, but rotatable about an axis of rotation R (cf. FIG. 10), that the circular knife 33 rolls along the circumference of the cable 2 on the cable film 20 during cutting.
  • the film processing module 9 can optionally have a cutting depth control and / or a cutting depth limitation for the circular knife 33.
  • a cutting depth limitation can be implemented, for example, by supporting the circular blade 33 on the cable jacket 18 or the guide bushing 34, which will be mentioned below.
  • the film processing module 9 can also have a cutting pressure control and / or a cutting pressure limitation for the cutting pressure applied to the cable film 20 by the circular knife 33.
  • the cutting pressure can be applied, for example, by an elastic element, for example by the compression spring 35 indicated in FIGS. 10 and 12.
  • the cable foil 20 can be cut at least partially in the shape of a ring, completely or in sections along the circumference of the cable 2.
  • the cable foil 20 can be cut at the tear position P R in such a way that a tear is formed through the outer layer and preferably at least partially also through an inner layer of the cable foil 20 located under the outer layer.
  • the cable foil 20 is preferably not completely cut through by the circular knife 33 in order not to cut the cable components below, in the present case for example the insulation 22 of the inner conductor 21.
  • the film processing module 9 can have a fixing device 36 which is set up to fix the cable 2 axially and / or radially.
  • the film processing module 9 can have a guide or support device 37 (cf. FIG. 10) in order to advantageously guide the cable 2 during processing.
  • the film processing module 9 can have a guide bushing 34 (cf. FIGS. 10 and 11) with a through-hole 38 for leading the cable 2 through.
  • the guide bushing 34 can have an end face 39 with a window 40 adapted to the outer contour of the cable 2 for the passage of the front cable end.
  • the window 40 can also be completely round in order to avoid pressure being exerted on the cable 2 or to allow the cable 2 to be inserted into the guide socket 34, in particular in the case of a cable 2, whose inner conductor 21 are twisted through the cable 2, to erleich tern.
  • the circular knife 33 or the cutting edge of the circular knife 33 for cutting into the cable foil 20 can be positioned on the end face 39 of the guide bushing 34 or guided by the guide bushing 34, as indicated in FIG. 10.
  • the guide bushing 34 can also be designed to accommodate the cable at 2 to be fixed radially and / or axially.
  • the guide bush 34 can thus also be part of the device 36 Fixiereinrich.
  • the film processing module 9 can also have a rotation device 41 which is set up to rotate the cable 2 about the cable central axis M (see. Fig. 10) and / or to rotate the circular knife 33 along the circumference of the cable 2 around the cable 2 ( see. Fig. 12).
  • a rotation device 41 which is set up to rotate the cable 2 about the cable central axis M (see. Fig. 10) and / or to rotate the circular knife 33 along the circumference of the cable 2 around the cable 2 ( see. Fig. 12).
  • the rotation device 41 is set up to rotate the Fixiereinrich device 36 or the guide bushing 34 together with the cable 2 about the cable center axis M.
  • the rotation device 41 is set up to rotate the circular knife 33 along a link 42 around the cable 2.
  • the distance of the gate 42 or the shape of the gate 42 can optionally be designed to optimally follow the contour of the cable 2 and / or to advantageously compensate for the effect of gravity on the circular knife 33 or on the cutting pressure of the circular knife 33.
  • the gate 42 can advantageously be used to limit the cutting depth.
  • the link 42 can be oval or at least approximately oval, for example as shown in FIG. 12. Instead of rotating or guiding the circular knife 33 around the link 42, the link 42 can optionally also be rotated together with the circular knife 33 around a link rotation axis.
  • the film processing module 9 can be followed by a separating module 10 for separating an end piece 43 of the cable film 20 at the tear position P R (cf. FIG. 1).
  • a separating module 10 for separating an end piece 43 of the cable film 20 at the tear position P R (cf. FIG. 1).
  • An exemplary, schematic representation of a separation module 10 is provided in FIG. 13.
  • FIG. 14 a further embodiment of a separation module 10 is shown.
  • the separating module 10 can have a gripping tool 44 which is set up to grasp the end piece 43 of the cable foil 20 to be separated adjacent to the tear position P R.
  • the gripping tool 44 can in particular have two gripping jaws 45 which can be advanced in the direction of the cable central axis M.
  • the separating module 10 can have an actuator device 46 which is set up to twist and / or bend the cable 2 and / or the cable foil 20 and / or the end piece 43 of the cable foil 20 together in such a way that the end piece 43 of the cable foil 20 at the crack position P R separates.
  • the actuator device 46 can in particular be set up to move the gripping tool 44 along at least one degree of rotational freedom, while the gripping tool 44 fixes the cable 2 or the cable foil 20 / the end piece 43 of the cable foil 20.
  • the gripping tool 44 is particularly preferably movable along at least two degrees of freedom of rotation, as shown in FIGS. 13 and 14.
  • the separating module 1 0 can optionally be followed by a cleaning module 11 for removing particles or film residues sticking to the cable 2.
  • the separation module 10 can also be followed by a quality monitoring module 12 for checking the processing quality of the cable 2.
  • the cleaning module 11 and the quality monitoring module 12 are, as can be seen from FIG. 1, combined into a module group 13 by way of example.
  • the processing modules of a module group can be moved along a module transport direction (cf. arrow in FIG. 1).
  • a rail guide 47 can be provided along which the processing modules (for example the cleaning module 11 and the quality monitoring module 12) can be moved together.
  • the processing modules or the cleaning module 1 1 and the quality monitoring module 12 can be fixedly mounted on one another, resulting in a coupled movement.
  • the processing modules or the cleaning module 11 and the quality monitoring module 12 can be moved between storage locations L and a processing location B.
  • the quality monitoring module 12 in the state shown in FIG. 1 can thus be located at the processing station B for processing the cable 2.
  • the cable 2 can first be moved out of the module group 13 again so far that a further processing module can be delivered to the processing station B.
  • the cleaning module 11 has a nozzle 48 for blowing off the particles or film residues and a suction device 49 for suctioning off the particles or film residues.
  • the cable 2 can be inserted axially into a corresponding de receptacle 50 of the cleaning module 11 (and / or the cleaning module 11 can be pushed over the cable 2).
  • the particles or film residues can be blown off through the nozzle 48 in the direction of the suction device 49.
  • the electrical cable 2 can then be led out of the receptacle 50 again.
  • the cable 2 and / or the cleaning module 11 can be rotated.
  • the cleaning module 1 1 shown can of course be varied as desired and combined or supplemented with other means to support cleaning.
  • a vibrator or an ionizer can be provided.
  • the receptacle 50 can optionally also be preceded by brushes.
  • an annular nozzle and / or several individual nozzles can also be provided.
  • a quality monitoring module 12 for quality monitoring of the assembly according to the invention is shown as an example. Using a quality monitoring module 12, in particular the quality monitoring module 12 shown, the state of at least one of the two cable ends of the cable 2 can be recorded before and / or after at least one processing operation.
  • the line of sight S of a first optical sensor 51 is aligned with the cable end, a first lighting unit 52 being arranged along the line of sight S of the first sensor 51 behind the cable end in order to optically detect the cable end through transmitted light or back light to create.
  • the line of sight S of a second optical sensor 53 is also aligned with the cable end, wherein a second lighting unit 54 is arranged along the line of sight S of the second sensor 53 in front of the cable end in order to generate incident light for the optical detection of the cable end.
  • the second lighting unit 54 has a central recess.
  • the first sensor 51 and the second sensor 53 are each designed as a camera with a respective lens.
  • the first lighting unit 52 and the second lighting unit 54 are arranged coaxially with the lines of sight S of the optical sensors 51, 53, respectively. In principle, however, a set arrangement can also be provided.
  • the second sensor 53 is arranged offset by a defined angle ⁇ to the first sensor 51, which in principle can be arbitrary. In the exemplary embodiment, an angle ⁇ of 90 ° is provided.
  • the lines of sight S of the sensors 51, 53 are preferably aligned orthogonally to the cable central axis M. However, a tilted alignment can also be provided.
  • the measurements are carried out staggered in time and / or that the lighting units 52, 54 emit light in different light colors and / or light polarizations.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulated Conductors (AREA)
  • Removal Of Insulation Or Armoring From Wires Or Cables (AREA)

Abstract

L'invention concerne un dispositif (1) destiné à confectionner un câble électrique (2) qui possède un film de câble (20). Le dispositif possède un module de traitement de film (9) destiné à réduire la capacité de charge mécanique du film de câble (20) au niveau d'une position de déchirure (PR) qui se trouve le long d'un axe central de câble (M). Le module de traitement de film (9) possède un couteau circulaire (33) servant à entailler, au niveau de la position de déchirure (PR), au moins une couche extérieure du film de câble (20) qui se trouve à l'opposé de l'axe central de câble (M).
EP20705054.3A 2019-02-12 2020-02-12 Procédé et dispositif pour confectionner un câble électrique Pending EP3925042A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019103487 2019-02-12
PCT/EP2020/053537 WO2020165209A1 (fr) 2019-02-12 2020-02-12 Procédé et dispositif pour confectionner un câble électrique

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EP20705052.7A Active EP3925041B1 (fr) 2019-02-12 2020-02-12 Procédé et dispositif permettant de produire un câble électrique
EP20705054.3A Pending EP3925042A1 (fr) 2019-02-12 2020-02-12 Procédé et dispositif pour confectionner un câble électrique

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US (2) US11817682B2 (fr)
EP (2) EP3925041B1 (fr)
CN (2) CN114026757B (fr)
DE (1) DE102020103548A1 (fr)
PL (1) PL3925041T3 (fr)
WO (2) WO2020165206A1 (fr)

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CN114260284B (zh) * 2021-12-09 2024-01-30 重庆邮电大学 一种弓箭自动回收及处理装置
CN115656683B (zh) * 2022-11-03 2023-10-31 深圳市铭泽智能电力科技有限公司 一种电缆运行监测方法、系统、终端设备及存储介质
CN118074013A (zh) * 2024-04-17 2024-05-24 山西岩石能源有限公司 一种电力输电线路放线收紧装置

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Also Published As

Publication number Publication date
EP3925041B1 (fr) 2023-11-01
PL3925041T3 (pl) 2024-04-08
US11764555B2 (en) 2023-09-19
WO2020165206A1 (fr) 2020-08-20
US11817682B2 (en) 2023-11-14
CN114026757B (zh) 2024-05-07
CN114026757A (zh) 2022-02-08
DE102020103548A1 (de) 2020-08-13
WO2020165209A1 (fr) 2020-08-20
US20220140581A1 (en) 2022-05-05
EP3925041C0 (fr) 2023-11-01
EP3925041A1 (fr) 2021-12-22
CN114026758A (zh) 2022-02-08
US20220077666A1 (en) 2022-03-10

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