EP0329465B1 - Fitzvorrichtung - Google Patents

Fitzvorrichtung Download PDF

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Publication number
EP0329465B1
EP0329465B1 EP89301566A EP89301566A EP0329465B1 EP 0329465 B1 EP0329465 B1 EP 0329465B1 EP 89301566 A EP89301566 A EP 89301566A EP 89301566 A EP89301566 A EP 89301566A EP 0329465 B1 EP0329465 B1 EP 0329465B1
Authority
EP
European Patent Office
Prior art keywords
wire
guide
shuttle
skeining
retaining member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP89301566A
Other languages
English (en)
French (fr)
Other versions
EP0329465A1 (de
Inventor
Alexander James Ciniglio
Neil Christopher Squire
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.)
Evenoak Ltd
Original Assignee
Evenoak Ltd
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 Evenoak Ltd filed Critical Evenoak Ltd
Publication of EP0329465A1 publication Critical patent/EP0329465A1/de
Application granted granted Critical
Publication of EP0329465B1 publication Critical patent/EP0329465B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/56—Winding of hanks or skeins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/06—Coil winding
    • H01F41/064—Winding non-flat conductive wires, e.g. rods, cables or cords
    • H01F41/069—Winding two or more wires, e.g. bifilar winding
    • H01F41/07—Twisting

Definitions

  • This invention relates to skeining devices.
  • the leads to electrical coils are normally reinforced by being skeined, i.e. multiplexed and then twisted. This procedure is frequently and normally carried out by hand, which is a slow, labour-intensive, unreliable and expensive practice. It may also reduce the efficiency of coil winding which has to be stopped while the leads are skeined.
  • the apparatus comprises retaining members located adjacent the path of the wire through the machine and spaced from one another along the path, a shuttle member carrying a wire guide in the form of an eye, means for moving the wire guide around a closed loop path surrounding the retaining members to retain the wire on the members to multiplex the wire, said moving means comprising drive means for reciprocating the shuttle member along a rectilinear path substantially parallel to the path of the wire through the device and reciprocating the wire guide laterally of the path of the wire through the device to follow the closed loop path, means for rotating one of the retaining members to twist the multiplexed wire, the rotatable retaining member being in the form of a hook, a positioning motor for returning the hook to a correct orientation at the conclusion of rotation, means for releasing the skein from the retaining members, and controls which include a proximity switch for stopping the drive means at a time when the shuttle is clear of the multiplexed wire and simultaneously starting the rotation of the rotatable retaining member.
  • the shuttle has guides 2 (see Figs. 1 and 2) through which the wire is threaded and more particularly through which the wire is drawn when skeining is not being carried out.
  • guides 2 see Figs. 1 and 2
  • the tortuous path through the guides 2 tends to have a detrimental effect on the outer surface of the wire and can introduce strains due to the sudden opposite bending caused as the wire passes through the guides 2.
  • the wire should pass through the guide 2 without rubbing on the guide at all when skeining is not taking place.
  • GB-A-2 114 032 it has already been proposed to arrange for the guide 2 to be rotated through 90° for straight through feeding to achieve the desired effect. As such this inherently introduces extra moving parts and appropriate control or synchronising mechanisms.
  • a skeining device comprising first and second retaining members positioned adjacent the path of wire through the device, a wire guide in the form of an eye mounted on a shuttle, means for moving the shuttle to move the wire guide in a closed loop path about the retaining members to multiplex the wire on the retaining members, and means for twisting the multiplexed wire to form a skein, characterised in that the wire guide is mounted on the shuttle in an orientation which is constant during passage of the wire through the device and during a multiplexing operation, the orientation being such that the wire passes through the guide in a straight line path during passage of the wire through the device.
  • a skeining device has a wire feed-through motor 10, a multiplexing drive motor 11 for a chain (not shown), a tachometer 12 for the motor 10, two retaining members in the form of a rotatable twister needle 13 and a rear hook 14 mounted on the plunger of a solenoid 15 carried by a carriage 16.
  • the needle 13 is driven in use by a motor 17 and the rotation of the needle is monitored for relative position and number of revolutions by a counter 18.
  • a carriage drive motor 18A monitored by a tachometer 19, moves the carriage 16 as required towards and away from the needle 13.
  • a flyer 20 is positioned adjacent an input for the wire into the skeining device and has two operative positions.
  • a wire gauge monitor 21 and wire tensioner 23 are also provided.
  • a microcomputer 22 is programmed to control and monitor the operation of the skeining device.
  • a shuttle 23 is driven by a chain 24 (which in turn is driven by the motor 11 of Figure 1).
  • a fixed circular guide 25 shown in section is mounted on the shuttle 23 for through-feed of the wire 26 between a fixed circular inlet guide 27, also shown in section, and the rotational axis of the rotatable twister needle 13.
  • the chain 24 and shuttle 23 are stationary as no muliplexing is taking place while the wire feeds through the skeining device to a coil winding apparatus (not shown) but situated to the left of the needle 13.
  • the guide 25 is arranged such that the wire 26 passes uniterruptedly through the guide 25 in a manner so that the wire does not touch or barely touches the inner surfaces of the guide 25.
  • the shuttle 23 is shown having commencing a first turn of a multiplexing sequence so that the wire 26 is positioned around the rear hook 14.
  • the shuttle 23 is moving towards the rotatable needle 13.
  • the wire 26 is hooked onto the needle 13 before the shuttle returns towards the rear hook 14. It will be noted that the wire 26 is engaged by the hook 14 at this position on the same side as the first turn.
  • the wire 26 is pulled away under the hook 14 before the shuttle 23 lays the next turn onto the hook 14.
  • the needle 13 is rotated in the normal manner to form a skein and then the hook 14 withdrawn to release the skein for its onward passage through the hollow centre of the needle 13 in the usual way. Further details of the device are described in UK Patent Application No. 8716317.
  • a guide 50 shown in section, to replace the guide 25 of Figures 2 to 4 has a generally triangular cross-section with rounded corners and is provided with an extension or foot 51 for fixedly mounting the guide onto the shuttle 23.
  • the top section of the guide 50 must be dimensioned to provide a loop extending above and below the hook of the twister needle 13 (shown dotted) and also pass below the level of a stripper plate 14A at the base of the hook 14.
  • the bottom section of the guide 50 must be positioned so as to allow free or uninterrupted passage of the wire for through-feeding when no multiplexing is taking place.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Adornments (AREA)
  • Ropes Or Cables (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Basic Packing Technique (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Claims (4)

  1. Fitzvorrichtung mit ersten und zweiten Rückhalteteilen (13, 14); die entlang des Weges des Drahtes (26) durch die Vorrichtung angeordnet sind, einer Drahtfürung (25, 50) in Gestalt einer an einem Wagen (23) angeordneten Öse, einer Einrichtung (11, 24) zur Bewegung des Wagens (23) um die Drahtführung (25, 50) in einen geschlossenen Schleifenweg um die Rückhalteteile (13, 14) zu bewegen, um den Draht auf den Rückhalteteilen (13, 14) mehrfach zu legen, und mit Mitteln (13, 17) um den mehrfach gelegten Draht zur strangbildung zu drillen, dadurch gekennzeichnet, daß die Drahtführung (25, 50) auf dem Wagen in einer Ausrichtung angeordnet ist, die während des Durchlaufs der Drahtes durch die Vorrichtung und während einem Mehrfachlegungs-Vorgang konstant ist, wobei die Ausrichtung so ist, daß der Draht durch die Führung (25, 50) auf einem geradlinigen Weg während des Durchlaufs des Drahts (26) durch die Vorrichtung hindurch läuft.
  2. Fitzvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß eines der Rückhalteteile (14) von dem Weg des Drahtes durch die Vorrichtung weggewinkelt ist, so daß wenn sich das Führungsteil (25, 15) um das Rückhalteteil (14) dreht, um gegen das Rückhalteteil (14) anzuliegen, eine erste Bahn des Drahtes (26) unterhalb des Führungsteils (25, 50) und eine zweite Bahn des Drahtes oberhalb des Rückhalteteiles (14) zeitweilig auf dem Rückhalteteil (14) gefangen ist und dann von dem Rückhalteteil (14) abspringt.
  3. Fitzvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Führung (50) einen im wesentlichen dreieckigen Querschnitt mit abgerundeten Ecken hat und mit einem Fortsatz oder Fuß (51) versehen ist, um die Führung fest auf dem Wagen zu befestigen.
  4. Fitzvorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß der obere Abschnitt der Führung (50) so bemessen ist, daß eine Schleife vorhanden ist, die sich oberhalb und unterhalb des Hakens eines drehbaren Rückhalteteiles (13) erstreckt und auch unter die Ebene einer Abstreifplatte an dem Sockel des stationären Rückhalteteiles (14) hindurchgeht, wobei ein unterer Abschnitt der Führung (50) so angeordnet ist, daß er einen freien oder ununterbrochenen Durchgang des Drahtes zum Durchführen ermöglicht, wenn kein Mehrfachlegen stattfindet.
EP89301566A 1988-02-17 1989-02-17 Fitzvorrichtung Expired - Lifetime EP0329465B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8803639 1988-02-17
GB888803639A GB8803639D0 (en) 1988-02-17 1988-02-17 Skeining apparatus

Publications (2)

Publication Number Publication Date
EP0329465A1 EP0329465A1 (de) 1989-08-23
EP0329465B1 true EP0329465B1 (de) 1994-06-15

Family

ID=10631853

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89301566A Expired - Lifetime EP0329465B1 (de) 1988-02-17 1989-02-17 Fitzvorrichtung

Country Status (5)

Country Link
EP (1) EP0329465B1 (de)
JP (1) JP2802933B2 (de)
AT (1) ATE107432T1 (de)
DE (1) DE68916057T2 (de)
GB (1) GB8803639D0 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8922934D0 (en) * 1989-10-11 1989-11-29 Evenoak Ltd Skeining machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2049748B (en) * 1978-10-11 1983-02-23 Foulkes D L Skeining device
GB2073795A (en) * 1980-04-15 1981-10-21 Ciniglio A J Skeining Device
GB2093382B (en) * 1981-02-20 1984-07-18 Ciniglio A J Skeining device
DE3302999C2 (de) * 1982-02-01 1995-07-20 Ciniglio A J Fitzvorrichtung zum Verstärken der Drahtenden von Wicklungen

Also Published As

Publication number Publication date
EP0329465A1 (de) 1989-08-23
JPH01296607A (ja) 1989-11-30
DE68916057T2 (de) 1994-09-22
GB8803639D0 (en) 1988-03-16
DE68916057D1 (de) 1994-07-21
ATE107432T1 (de) 1994-07-15
JP2802933B2 (ja) 1998-09-24

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