EP1402607A1 - Dispositif de traitement destine a des cables ou fils - Google Patents

Dispositif de traitement destine a des cables ou fils

Info

Publication number
EP1402607A1
EP1402607A1 EP02733161A EP02733161A EP1402607A1 EP 1402607 A1 EP1402607 A1 EP 1402607A1 EP 02733161 A EP02733161 A EP 02733161A EP 02733161 A EP02733161 A EP 02733161A EP 1402607 A1 EP1402607 A1 EP 1402607A1
Authority
EP
European Patent Office
Prior art keywords
actuator
processing device
actuators
cable
wires
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.)
Withdrawn
Application number
EP02733161A
Other languages
German (de)
English (en)
Inventor
Jiri Stepan
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.)
Schleuniger AG
Original Assignee
Schleuniger Holding AG
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 Schleuniger Holding AG filed Critical Schleuniger Holding AG
Publication of EP1402607A1 publication Critical patent/EP1402607A1/fr
Withdrawn legal-status Critical Current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
    • H02G1/1202—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
    • 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

Definitions

  • the invention relates to a processing device for cables or wires.
  • Processing device in the sense of the invention is to be understood as a device which
  • a) changes the geometric dimensions of the cables or wires, such as a cutting device or a stripping device,
  • c) change the spatial position of the cables or wires in connection with devices under a) or b), such as Winding or positioning or
  • Cables or wires in the sense of the invention are understood to mean those electrical or light-optical components which have an elongated structure and are designed for conducting electrical or light-optical signals.
  • this includes insulated electrical wires or cables and optical fibers.
  • the invention expressly does not affect so-called bonding devices for bonding (welding) metal wires to electronic chips. These devices used in chip production belong to such a special class of devices that, although they also move wires (e.g.
  • the invention relates within the scope of your above specified area e.g. on cable stripping machines, as have been brought on the market by the applicant for many years, such as the device types: MP 252, MP 257, MP 8015, F0 7045 and Powerstrip 9500.
  • These devices belong to the prior art, which is the basis of the present invention lies.
  • computer or microprocessor-controlled drives are provided which control the jaws, holding and centering devices and knives in such a way that cables - e.g. Coaxial cables, single-core electrical cables, fiber optic cables or the like. can be stripped and / or cut with high precision.
  • the accuracy with which you can work with these devices results from the interaction of good processing accuracy of the mechanical structure of the devices with precise drives, high-precision controls and possibly precise measuring sensors.
  • the drives are usually electric motors, for example stepper motors, electromagnets and / or pneumatic drives, often connected to driven or lever assemblies.
  • the present invention was given the first task of increasing the working accuracy of such stripping devices.
  • the invention further relates, for example, to the cleaving of an optical waveguide within the scope specified above.
  • the following prior art is relevant for a specialist:
  • the invention has the further object to make the feed for a knife for cleaving, but also for all other machining operations on a cable or wire better and more directly controllable than with a spring or with the others above known drives is possible.
  • Electronically controlled feed drives are preferred.
  • DE-A-3622244 (1988) and DE-A-3781945 (1992) disclose a glass fiber cutting device by means of a pressure wave.
  • This is a glass fiber by means of a pressure wave against a rigid knife placed sideways so that it separates the fibers.
  • the pressure wave is generated by an arc discharge or by a piezoelectric sound wave generator.
  • the invention is based on the further object of finding a way of treating an optical waveguide not only separately but also on its surface and / or how it itself or tools or transport devices can be positioned relative to it, e.g. how to cut and remove its protective layers without damaging the actual glass fiber.
  • the precision of the fiber feed by the pressure wave does not have to be particularly high, since the only thing that is important is to make the pressure sufficiently high so that the fiber breaks at the point of the knife. A higher pressure would not have a significant negative effect.
  • this method were used to cut a fiber sheathing, an unintentionally greater pressure or an unsuitable spatial position of the cutting edge relative to the glass fiber would quickly lead to unintentional damage to the fiber.
  • the treatment can apply suitable forces to the surface, with which crimping processes, welding processes, etc. can also be carried out.
  • An optical waveguide is set into vibration or subjected to an oscillation amplitude that causes the fiber to break.
  • the proposed frequencies are e.g. at 12.5 kHz.
  • the break occurs with or without a protective layer of the optical waveguide.
  • electromagnetic, piezoceramic or magnetostrictive transducers are provided as vibration-generating drives.
  • the invention is based on a further would be based to create a device that is not limited to use for breaking optical fibers, but also for copper cables or the like. can be used.
  • a device that is not limited to use for breaking optical fibers, but also for copper cables or the like. can be used.
  • copper cables or the like can be broken less easily by vibration frequencies.
  • the main task is to search for a new drive system for cable processing machines, which allows greater precision and is easy to control and can be used for fiber optic cables, POF as well as for electrical cables, coax cables, cable ducts and the like .dgl. is usable.
  • this also includes crimping and welding machines or the like. as well as devices for preparing the cables (e.g. unwinding, labeling and checking etc.) as well as devices for reworking the cables (e.g. winding, stacking, bundling, soldering, welding, gluing, checking etc.)
  • micromechanical actuators which operate according to one of the following functional principles of stretching or shrinking processes: pyrotechnic -, sound wave, heat, electrochemical -, electromagnetic -, current, and / or stress-controlled expansion or shrinking processes. They include at least one energy controller and at least one electromechanical energy converter.
  • the micromechanical actuators in the sense of the invention can also have a different structure, the definition per stroke in this case being 1 mm per actuator element (without any translation).
  • micromechanical actuators such as: electromotive, electromagnetic, pneumatic or hydraulic actuators, provided they are not used in combination with micromechanical actuators as defined above.
  • micromechanical actuators e.g. DC servo step, synchronous, asynchronous, solenoids, compressed air, hydraulic pistons, turbines, hydraulic motors or the like.
  • the following actuators or motors can be used: ultrasonic, circular ring ultrasonic motor, monomodal ultrasonic motor (oscillating), biomodal ultrasonic motor (oscillating in two planes), bimetallic, piezo, and / or inch worm motors , monolithic multilayer, charge-controlled -, electroreological -, thermoreological -, and / or electro- or magnetostrictive actuators, parallel-bimorph converters, thermal expansion and stress or current expansion actuators, electrochemical, magnetorheological actuators, actuators made of shape memory materials, chemomechanical actuators , thermopneumatic, electrostatic and microtechnical actuators (manufactured by microsystem technology) or the like, whereby an average specialist also understands what are known as voice coil actuators.
  • the invention also includes combinations of conventional mechanical, pneumatic, hydraulic or electromechanical drives with the micromechanical actuators, the latter being used according to the invention to compensate for the errors of the conventional drives and / or for pure drive addition. It also includes combinations of actuators arranged or used according to the invention. The invention achieves:
  • the invention makes stripping machines possible for the first time without pneumatic, hydraulic or electric motor (in the conventional sense) driven, remote-controlled drives.
  • the actuators used offer the possibility of being used simultaneously with the drive as a measuring element.
  • the basics of measuring technology with piezo systems are known to the person skilled in the measuring device, so that there is no need to go into them here. This applies to individual piezo systems as well as to piezo stacks in which several piezo systems are connected in series. Piezo sticks or single piezo systems arranged in parallel can also be used (one as a force system and one as a measuring system).
  • actuators used are also used as sensors, not only can qualitative cable stripping processes be improved, such as, for example, the force-controlled cutting into a cable layer, but also the detection of the presence of cables or the like. easy to do be made. This may save additional light barriers or the like. This also makes it possible, for example, to observe the machining process in the model (for example on a screen using graphics or the like).
  • Processing, positioning and fixing tools are understood in particular: clamping and transport jaws; Rolls and tapes; Knives of all kinds, laser or ultrasonic cutting or welding devices (i.e. devices that generate electromagnetic or mechanical waves for cable processing); crimping tools; Printing tools; Rolls, tapes or the like for cable transport; centering; grippers; Positioners, labeling and measuring units etc.
  • micromechanical actuators used in accordance with the invention should not only make possible actions relative to the cable to be processed, but also movements of the cable even when used accordingly. In principle, it is not possible to give any further details, since all directions of movement, such as in the cable axis, around the cable axis, transversely or obliquely to it, as they were previously provided, are now also possible - but much more precisely and precisely than before.
  • Preferred actuators are designed to be compatible with microelectronics, so that they are e.g. at TTL level, CMOS arrangements etc. with standardized electrical interfaces.
  • the invention thus sets a milestone in the further development of cable processing devices.
  • actuators are also used as sensors as required, so that not only the drive but also the position and / or force determination, acceleration and geometry, as well as other physical properties in the fine range, are facilitated.
  • Targeted solutions for drives with a final distance greater than 1 mm can NEN by the combination of micromechanical actuators with gears, lever ratios or the like. be achieved. In this way, as is known per se, force-path, path-path, or force-force translations can be achieved.
  • the micromechanical actuators according to the invention can be used, for example, to operate the following components or objects known per se: knives, centering units, guides, clamping units, triggers, for example for cable detection, measuring or calibration units for cable data, process data (diameter, layers, labels or the like).
  • the use of the actuators is therefore particularly also in the case of jaws, in the case of rolls and belts, in particular for moving and rotating them (for tensioning and possibly also for pulling and for cable transport), for crimping, for printing, for controlling or positioning rolls, Belts (cable transport), provided for the positioning of centerings, guides, grippers, etc.
  • Knives in the sense of the present invention are to be understood as conventional stripping knives as well as electromagnetic or mechanical waves usable for cutting, e.g. Laser beams or ultrasound or their deflecting mirrors and the like, crimping tools, labeling tools.
  • the shape of the conventional knives is independent of the drive according to the invention; In this way, conventional form knives, V-knives (primarily for non-rotating stripping or cutting processes) or any other knife forms, in particular also for rotary cutting, can be used.
  • the specified micromechanical actuators - depending on the type and application - enable movements perpendicular to or at an angle to the cable or wire axis, movements in the cable or wire axis or movements of the cable in the cable axis, obliquely or parallel to it, Rotational movements or changes in the geometry of the cables or wires or the processing tools therefor.
  • micromechanical actuators according to the invention for cable processing machines brings as a further advantage for most actuators Possibility of direct feedback control by using the actuators as sensors at the same time.
  • combinations of piezo sensors and actuators can also be provided according to the invention, although integrated structures are preferred.
  • micromechanical means that the mechanical movement takes place in the small area and can be seen in contrast to “microtechnical”, with which actuators are manufactured using microtechnical processes - e.g. on or in silicon - are meant.
  • Slip rings in the sense of the invention are also to be understood as contactless transmission systems, such as, for example, inductive or capacitive power transmitters, feedback control possibly being used.
  • FIG. 2 shows an end view of the stripping head according to FIG. 1 with stripping knives closed on the diameter A;
  • FIG. 3 shows an end view of a modified stripping head with pivotable knives with knives open to the diameter B;
  • FIG. 4 shows an end view of the stripping head according to FIG. 3 with knives closed to the diameter A;
  • FIG. 5 shows an oblique view of a diagram of a stripping head with a rotatable and controlled mirror arrangement for a laser beam
  • Figure 6 the oblique view of Figure 5 with the cable already cut;
  • FIG. 8 shows a side view of a diagram of a lever-controlled stripping head for rotary or non-rotary stripping
  • FIG. 9 shows a view of a schematic stripping or cutting knife which can be brought into a cutting or stripping position by means of a piezo actuator; 10 shows a structure for connecting cable ends to an ultrasonic welding device and a measuring sensor;
  • Fig.11 - a structure with conventional press drive and additional actuator
  • Fig.12 - a conventional double spindle control for drive and tensioning rollers with an additional actuator
  • Fig. 13 - a variant of Fig. 10 with a US or resistance welding head without a measuring sensor and an actuator;
  • Fig. 14 - a cutting or collet structure with actuator drive
  • Fig.15 - a structure with toggle lever support for roller or belt delivery
  • the knives 5a-d correspond to the knives such as for the applicant's MP 8015. They can also be understood symbolically as jaws, since the present principle of the invention can also be used in the same way for holding or centering jaws.
  • the knives 5 are held on respectively assigned knife holders 4a-d, which can be moved along a respective guide bar 3a-d and thus adjust the size of the working opening A, B or the cutting or holding depth.
  • the knife holders 4 are each acted upon by an assigned micromechanical actuator 6a-d and are displaced exactly by this.
  • each actuator 6 supports with its stripping head-fixed side 8a-d against corresponding receptacles of the stripping head 1, while the other movable side 7a-d of the actuator 6a-d acts on the respective knife holder 4a-d and delivers or retracts in the closing direction.
  • X symbolically indicates the length of the actuator in the de-energized state, while Y indicates the length difference or the infeed path.
  • Preferred actuators for the structure shown are piezo actuators.
  • the voltage connections shown symbolically in the actuators are either connected in parallel or individually controlled, the actuators preferably being subjected to the same voltage at the same time. Any adjustment of the knives to one another can be carried out by mechanical compensation or adjustment measures; however, electrical adjustments (via regulated voltage differences) are also possible.
  • lever ratios or the like which increase the effectiveness of the actuators.
  • FIGS. 3, 4 and 15. 3 and 4 there is not a linear adjustment of the pivotable knives 11a-d but a pivot adjustment into the working opening A and B respectively.
  • This construction also corresponds in its stripping function to the design of the applicant, as shown in EP-B-297484 or US-A-5010797 (Fig. 8 and Fig. 9 including associated description parts), so that here further details of the knife 11a-d or baking need not be discussed further.
  • the knives 11a-d are each pivotable about an axis 10a-d fixed to the knife head. Since the knives 11a-d are constructed in an L-shape, there is a lever transmission, so that with small Y-paths sufficient delivery paths nevertheless take place at the work opening A, B.
  • Tension springs 12a-d pull the respective knives 11 ad back into their starting position B.
  • Comparable springs can also be provided in the structures according to FIGS. 2 and 2. However, the knife 11 or the knife holder 4 can also be permanently connected to the actuator 6, so that the back and forth movement is accomplished by the actuator without additional spring force.
  • the stripping device of FIGS. 5 and 6 comprise a cutting beam feed tube 19 through which a cutting beam 20 - e.g. a laser beam - is directed against a mirrored staircase 14.
  • a mirror 15 follows the mirror staircase 14 and is actuated by an actuator 6i. This is fixed with its stripping head fixed side 8i to an indicated stripping head 1c and acts with its movable side 7e on a pivoting lever 16 of the pivoting mirror 15, so that the cutting beam can be directed onto a cable 9 in a targeted manner. It is preferred not to target the cable axis but to the side, as indicated by the arrow 21; this construction thus results in cutting lines, as indicated in FIG. 7, which pass by the inner conductor 22 and thus cannot damage the inner conductor 22.
  • the stripping head 1c rotates around the cable, the insulation is optimally cut through when the swivel mirror 15 is properly controlled.
  • the structure according to FIG. 8 can also be designed as a rotary structure, but also as a non-rotary structure.
  • Actuators 6k-l each act on a knife lever 23a-b, which can be brought into a cutting position with its knives 5e, f due to a pivot axis 24a-b.
  • FIG. 9 shows an actuator 6m, which works against a compression spring 25 and is responsible for cutting a knife 5g into a cable 9.
  • Fixed abutments 38a, b support the cable 9 on the one hand and the spring 25 on the other hand.
  • 38a could alternatively be a controllable counter bearing in order to also move the cable relative to the knife.
  • that could be Counter bearing 38a can also be replaced by a structure such as 6m, so that cuts can be made from both sides.
  • 38b could be designed as a centering, which is pressed by the spring 25 to the cable. Such a structure could also be mounted to rotate around the cable.
  • an actuator 6n or 6o can be seen which acts on a welding head 26a or 26b (e.g. an ultrasonic welding head or a resistance welding head) in order to be able to weld two conductor ends 27a and 27b with it.
  • a welding head 26a or 26b e.g. an ultrasonic welding head or a resistance welding head
  • the invention acts on a welding head 26a or 26b (e.g. an ultrasonic welding head or a resistance welding head) in order to be able to weld two conductor ends 27a and 27b with it.
  • welding in general "connecting”, e.g. also “bonding” or the like.
  • a measuring sensor 30 is additionally provided, which monitors the correct contact pressure and, if necessary, regulates the contact pressure of the actuator 6n via a control system.
  • FIG. 11 shows symbolically a crimping press or the like, in which a drive 28 pushes a ram 29 against a work surface 39 in a cyclical movement.
  • the working surface 39 is underlaid by a measuring sensor 31 and an actuator 32 as an actuator, which increases them if the pressing force is insufficient by moving the actuator 32 upward (Y).
  • the measuring sensor 31 and the actuator 32 and drive 28 are fed back in a control circuit 33.
  • Fig. 12 shows a control of the tension for conveyor belts in a stripping machine (e.g. cut and strip machine).
  • the belts 34a, b are controlled by a counter-rotating threaded spindle 35, e.g. implemented in the applicant's Powerstrip 9500 machine.
  • the threaded spindle 35 is divided in the middle and there has an actuator 6p which can adjust the two spindle halves towards or away from one another in the fine area, so as to act on the cable between the bands 34a, b in the fine area can.
  • the structure according to FIG. 15 is toggle-supported 40, whereby on the one hand more force and on the other hand even shorter distances in the positioning of rollers or belts 34c are possible.
  • the rollers for their closing movement are guided in a rail 41 and can thus be delivered and opened in the hundredth range.
  • drives could also be used, as described, for example, on pages 255 to 361 of the cited book "Technical use of new actuators, in particular in Figures 8.1, 8.3 and 13.9".

Landscapes

  • Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
  • Wire Processing (AREA)

Abstract

L'invention concerne un dispositif de traitement destiné à des câbles ou fils, selon lequel on utilise au moins une unité pour le déplacement d'un câble ou fil (9) ou des actionneurs micromécaniques pour le déplacement d'un outil (5). Cela permet de traiter des câbles et fils plus minces et d'obtenir une meilleure précision et une bonne commande.
EP02733161A 2001-06-15 2002-06-17 Dispositif de traitement destine a des cables ou fils Withdrawn EP1402607A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH112901 2001-06-15
CH11292001 2001-06-15
PCT/IB2002/002250 WO2002103871A1 (fr) 2001-06-15 2002-06-17 Dispositif de traitement destine a des cables ou fils

Publications (1)

Publication Number Publication Date
EP1402607A1 true EP1402607A1 (fr) 2004-03-31

Family

ID=4559070

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02733161A Withdrawn EP1402607A1 (fr) 2001-06-15 2002-06-17 Dispositif de traitement destine a des cables ou fils

Country Status (5)

Country Link
US (1) US20040134965A1 (fr)
EP (1) EP1402607A1 (fr)
JP (1) JP2004531191A (fr)
CN (1) CN1516913A (fr)
WO (1) WO2002103871A1 (fr)

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US20040134965A1 (en) 2004-07-15
JP2004531191A (ja) 2004-10-07
WO2002103871A1 (fr) 2002-12-27
CN1516913A (zh) 2004-07-28

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