EP0329465A1 - Skeining device - Google Patents
Skeining device Download PDFInfo
- Publication number
- EP0329465A1 EP0329465A1 EP89301566A EP89301566A EP0329465A1 EP 0329465 A1 EP0329465 A1 EP 0329465A1 EP 89301566 A EP89301566 A EP 89301566A EP 89301566 A EP89301566 A EP 89301566A EP 0329465 A1 EP0329465 A1 EP 0329465A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wire
- guide
- shuttle
- path
- hook
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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 through which the wire is threaded and more particularly through which the wire is drawn when skeining is not being carried out.
- 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.
- the guide 2 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 having a shuttle movable around a continuous path to muliplex the wire and a fixed guide mounted on the shuttle having an aperture for the wire arranged to allow uninterupted straight-through passage of wire when the shuttle is stationery with inner surfaces of the aperture arranged to hold and guide the wire around the stationery hook and the twister hook during muliplexing.
- Figure 5 shows another form of shuttle guide for 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 stationery 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 extenstion 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)
- Adornments (AREA)
- Manufacturing Of Electric Cables (AREA)
- Ropes Or Cables (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Basic Packing Technique (AREA)
Abstract
Description
- This invention relates to skeining devices.
- The leads to electrical coils, such as solenoid and relay 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.
- Automatic and semi-automatic skeining devices are already in use such as those described in UK Patent Specification 2049748B. The present invention relates more particularly to improvements in such automatic machines.
- In Patents Specification 2049748B, 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. In practice 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. Ideally, the wire should pass through the guide 2 without rubbing on the guide at all when skeining is not taking place. 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.
- According to the present invention there is provided a skeining device having a shuttle movable around a continuous path to muliplex the wire and a fixed guide mounted on the shuttle having an aperture for the wire arranged to allow uninterupted straight-through passage of wire when the shuttle is stationery with inner surfaces of the aperture arranged to hold and guide the wire around the stationery hook and the twister hook during muliplexing.
- A skeining device according to the invention will now be described by way of example with reference to the accompanying drawings in which:-
- Figure 1 shows a general layout of the device;
- Figure 2 shows a part of the device for through feeding of wire;
- Figure 3 shows the part of the device in one position during a multiplexing operation;
- Figure 4 shows the part of the device in another position during a multiplexing operation;
- Figure 5 shows another form of shuttle guide for the device.
- Referring to the drawings, in Figure 1 a skeining device has a wire feed-through
motor 10, amultiplexing drive motor 11 for a chain (not shown), atachometer 12 for themotor 10, two retaining members in the form of arotatable twister needle 13 and arear hook 14 mounted on the plunger of asolenoid 15 carried by acarriage 16. Theneedle 13 is driven in use by amotor 17 and the rotation of the needle is monitored for relative position and number of revolutions by acounter 18. Acarriage drive motor 18A, monitored by atachometer 19, moves thecarriage 16 as required towards and away from theneedle 13. Aflyer 20 is positioned adjacent an input for the wire into the skeining device and has two operative positions. Awire gauge monitor 21 andwire tensioner 23 are also provided. Amicrocomputer 22 is programmed to control and monitor the operation of the skeining device. - In Figure 2, a
shuttle 23 is driven by a chain 24 (which in turn is driven by themotor 11 of Figure 1). A fixedcircular guide 25 shown in section is mounted on theshuttle 23 for through-feed of thewire 26 between a fixedcircular inlet guide 27, also shown in section, and the rotational axis of therotatable twister needle 13. Thechain 24 andshuttle 23 are stationery 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 theneedle 13. - It will be noted that the
guide 25 is arranged such that thewire 26 passes uniterruptedly through theguide 25 in a manner so that the wire does not touch or barely touches the inner surfaces of theguide 25. - In Figure 3, the
shuttle 23 is shown having commencing a first turn of a multiplexing sequence so that thewire 26 is positioned around therear hook 14. Theshuttle 23 is moving towards therotatable needle 13. At the extreme left hand position of theshuttle 23 as shown in Figure 4, thewire 26 is hooked onto theneedle 13 before the shuttle returns towards therear hook 14. It will be noted that thewire 26 is engaged by thehook 14 at this position on the same side as the first turn. However, in practice as theshuttle 23 moves to the right thewire 26 is pulled away under thehook 14 before theshuttle 23 lays the next turn onto thehook 14. This is normally fascilitated because thehook 14 is angled a few degrees from the vertical, that is upwards out of the plane of the Figure 4, tending to more easily allow thewire 26 stretching between theguides hook 14 as the shuttle moves to the left. This non-vertical angle of the needle is predominently provided to improve the wrapping of thewire 26 on to theneedle 14 as the shuttle moves anti-clockwise around theneedle 14 during multiplexing. - At the completion of multiplexing, the
needle 13 is rotated in the normal manner to form a skein and then thehook 14 withdrawn to release the skein for its onward passage through the hollow centre of theneedle 13 in the usual way. Further details of the device are described in UK Patent Application No. 8716317. - In Figure 5, a
guide 50, shown in section, to replace theguide 25 of Figures 2 to 4 has a generally triangular cross-section with rounded corners and is provided with an extenstion orfoot 51 for fixedly mounting the guide onto theshuttle 23. The top section of theguide 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 astripper plate 14A at the base of thehook 14. The bottom section of theguide 50 must be positioned so as to allow free or uninterrupted passage of the wire for through-feeding when no multiplexing is taking place. - Such restraints never-the-less allow a wide selection of shapes and sizes of suitable
fixed guides 50 to be provided. However, the design restraint which required that the wire must be always held below the bottom edge of thehook 14 for return of the shuttle from the position shown in Figure 4 made it impossible to achieve a practical reliable shuttle guide which did not scuff the wire during through-feed or had to be swivable between a through-feed position and a multiplexing position. Realisation in practice that such design restraint was not necessary enables a much-improved skeining device to be provided and completely opens up the range of fixed shuttle guide designs that can be used. Thus, the guide shape can now be perfected for providing guide for reliable multiplexing which are also suitable for uninterrupted through-feed so that the wire is not scuffed or strained during the through-feeding when no skeining is taking place. - It will be noted particularly with reference to Figure 2 that a straight line exists extending through the
guide needle 13. This means that a straight wire threader can be fed through the skeining device at the commencement of operation. As will be appreciated this greatly fascilitates the initial threading of thewire 26 which is often of very fine gauge and is very difficult to thread into a tortutous path, particularly through the tortutous path of shuttle guides of skeining devices presently in use.
Claims (4)
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 true EP0329465A1 (en) | 1989-08-23 |
EP0329465B1 EP0329465B1 (en) | 1994-06-15 |
Family
ID=10631853
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89301566A Expired - Lifetime EP0329465B1 (en) | 1988-02-17 | 1989-02-17 | Skeining device |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0329465B1 (en) |
JP (1) | JP2802933B2 (en) |
AT (1) | ATE107432T1 (en) |
DE (1) | DE68916057T2 (en) |
GB (1) | GB8803639D0 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0422943A1 (en) * | 1989-10-11 | 1991-04-17 | Pillarhouse International Limited | Skeining device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2049748A (en) * | 1978-10-11 | 1980-12-31 | Foulkes D L | Skeining Device |
GB2073795A (en) * | 1980-04-15 | 1981-10-21 | Ciniglio A J | Skeining Device |
GB2093382A (en) * | 1981-02-20 | 1982-09-02 | Ciniglio A J | Skeining device |
DE3302999A1 (en) * | 1982-02-01 | 1983-08-11 | Alexander James Chipping Ongar Essex Ciniglio | Skeining device for reinforcing the wire ends of coils |
-
1988
- 1988-02-17 GB GB888803639A patent/GB8803639D0/en active Pending
-
1989
- 1989-02-15 JP JP1033889A patent/JP2802933B2/en not_active Expired - Fee Related
- 1989-02-17 DE DE68916057T patent/DE68916057T2/en not_active Expired - Fee Related
- 1989-02-17 EP EP89301566A patent/EP0329465B1/en not_active Expired - Lifetime
- 1989-02-17 AT AT89301566T patent/ATE107432T1/en not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2049748A (en) * | 1978-10-11 | 1980-12-31 | Foulkes D L | Skeining Device |
GB2073795A (en) * | 1980-04-15 | 1981-10-21 | Ciniglio A J | Skeining Device |
GB2093382A (en) * | 1981-02-20 | 1982-09-02 | Ciniglio A J | Skeining device |
DE3302999A1 (en) * | 1982-02-01 | 1983-08-11 | Alexander James Chipping Ongar Essex Ciniglio | Skeining device for reinforcing the wire ends of coils |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0422943A1 (en) * | 1989-10-11 | 1991-04-17 | Pillarhouse International Limited | Skeining device |
US5072761A (en) * | 1989-10-11 | 1991-12-17 | Pillarhouse International Limited | Skeining device |
Also Published As
Publication number | Publication date |
---|---|
JPH01296607A (en) | 1989-11-30 |
DE68916057T2 (en) | 1994-09-22 |
JP2802933B2 (en) | 1998-09-24 |
GB8803639D0 (en) | 1988-03-16 |
ATE107432T1 (en) | 1994-07-15 |
EP0329465B1 (en) | 1994-06-15 |
DE68916057D1 (en) | 1994-07-21 |
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