WO2004097093A2 - Fadenliefergerät und kabel für ein solches - Google Patents
Fadenliefergerät und kabel für ein solches Download PDFInfo
- Publication number
- WO2004097093A2 WO2004097093A2 PCT/EP2004/002744 EP2004002744W WO2004097093A2 WO 2004097093 A2 WO2004097093 A2 WO 2004097093A2 EP 2004002744 W EP2004002744 W EP 2004002744W WO 2004097093 A2 WO2004097093 A2 WO 2004097093A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- delivery device
- thread delivery
- cable
- guide element
- contact pin
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/38—Devices for supplying, feeding, or guiding threads to needles
- D04B15/48—Thread-feeding devices
Definitions
- the invention relates to a thread delivery device with electrical components and a cable for contacting such a thread delivery device.
- Thread delivery devices are used, for example, on knitting machines or on other textile machines to deliver a thread, for example with a predetermined tension or in a prescribed quantity, to a point consuming the thread.
- the thread delivery devices pull the thread from a spool of thread and hold it ready on a drum for consumption by the thread consuming machine or deliver it this.
- Such thread delivery devices are usually attached in large numbers on a corresponding holder, for example a so-called machine ring. They have a clamp for this.
- thread delivery devices In addition to the mechanical connection to the textile machine, such thread delivery devices generally also require an electrical connection in order to be able to connect existing electrical components.
- a yarn delivery device in the form of a storage feeder which has a yarn delivery drum controlled by an electric motor.
- the drum and the motor are fastened to a horizontally extending holder which has a downward-opening jaw-like clamp at one free end.
- a hook-like leg of this clamp has a clamping screw, the axis of which is oriented transversely to the opening direction of the mouth.
- On the side opposite the clamping screw several contact pins are arranged, which have sharpened tips. They serve to pierce the insulation of a cable and to contact the conductors present in the cable.
- the cable is a ribbon cable, which is arranged on a carrier (machine ring) with a rectangular cross-section.
- the contacts are axially movably mounted in at least one embodiment, so that they can be pushed back a little when reefing on the cable.
- connection of a thread delivery device to a textile machine must therefore be carried out with care.
- the level of care with which the thread delivery device can be used cannot be predetermined by the manufacturer of the thread delivery device.
- the thread delivery device according to the invention has a fastening clamp with contact pins. These are preferably arranged in a fixed position. In individual cases, however, it may also be expedient to arrange the contact pins so that they can move axially.
- a guide element is assigned to the individual contact pin or the contact pins (if there are several), which guides the cable when the contact pins are inserted, in particular with respect to the transverse direction of the conductor.
- the guide element is preferably adapted to the contour of the conductor.
- the conductor is formed, for example, by a flat cable with a rectangular cross section. Accordingly, the guide element then has a mouth with an approximately rectangular or trapezoidal cross-section, which largely corresponds to that of the flat cable.
- the leadership Rungselement is only movably mounted longitudinally, but not transversely to the contact pins, so that it holds the cable when piercing so that the contact pins meet the conductor or the conductor of the cable safely.
- the guide element is mounted stationary with respect to the base body, the contact pins being mounted so as to be axially movable. In the rest position, they are withdrawn so far that they do not protrude into the interior of the guide element.
- the cable can thus be inserted into the guide element by placing the thread delivery device on the machine ring.
- the thread delivery device is first fixed.
- a deflection mechanism can cause the contact pins to be advanced axially and thus to penetrate the cable.
- a separate actuating means such as a lever, e.g. to be activated via a cam drive or a separate screw, i.e. pierce the interior enclosed by the guide element in a mouth-like manner in order to contact the cable.
- the contact pins can be fixed and the guide element can be arranged to be movable.
- the guide element is preferably mounted in a resilient manner, a spring means serving to tension the guide element in a receiving position. In the receiving position it is in front of the tips of the contact pins. It ensures that the cable or another conductor is inserted into the guide element can without getting caught on the tips of the contact pins and thereby being pushed out of its desired position. Even if the cable on the machine ring (mounting rail) of the textile machine is held only relatively loosely, for example by means of cable ties, correct contacting of the conductor of the cable is possible, even if the thread delivery devices are installed with a certain negligence.
- the contact pins can be connected to various electrical components of the thread delivery device, such as, for example, an electrical switch, a sensor, a display device, a motor, a magnetic coupling or the like.
- the line belonging to the textile machine, which is contacted by the contact pins, preferably leads to central control thereof. Individual lines can be connected to a voltage supply.
- the lines can be signal lines and / or supply lines.
- the contact pins are preferably designed as piercing contact pins in the manner of needles. They can have a round or angular (flat) cross section, for example to pierce a conductor. This is particularly useful if the conductor is designed as a strand. It is also possible to design the piercing contacts as insulation displacement contacts, for example in the form of longitudinally slotted contact tongues. They pierce cable insulation and pick up the conductor in their slot, contacting it.
- a ribbon cable with one, two or more conductors can be used as the cable.
- the ribbon cable has a preferably rectangular cross section (with rounded corners).
- the guide element ensures here that the contact pins hit the conductors when piercing.
- this has recesses on at least the side facing the piercing contacts, which guide the piercing contacts and the cable relative to one another when piercing.
- the recesses are, for example, grooves arranged parallel to the conductors, which can be formed in one flat side of the cable or in both flat sides lying opposite one another. With regard to a plane oriented radially to the conductor and at right angles on the flat side, the grooves are preferably arranged in the center of this plane.
- the grooves can be assigned to some of the conductors or to all conductors.
- it has two thicker conductors, which are designed as strands, which serve, for example, as supply lines, and one or more thinner strands, which serve, for example, as a signal line.
- the flat sides of the cable are provided with grooves only in the area of the signal lines, the outer contour of the cable otherwise hardly deviating from the rectangle.
- FIG. 1 is a schematic side view of a thread delivery device with a belt drive
- FIG. 2 shows a thread delivery device with a motor drive in a schematic side view
- FIG. 3 shows a clamp of the thread delivery device according to FIG. 1 or FIG. 2 for mechanical fastening and for electrical contacting of the thread delivery device in a schematic side view on another scale
- FIG. 4 shows the clamp according to FIG. 3 when slipped over a mounting rail or a machine ring in a partially sectioned side view
- FIG. 5 shows the clamp according to FIG. 4 when fastened to the machine ring
- FIG. 6 shows the clamp in the clamped state in a partially sectioned side view
- Figure 7 shows an embodiment of a cable for contacting yarn delivery devices, on an enlarged scale and in a sectional view and
- Figure 8 shows a modified embodiment of a yarn delivery device with movably mounted contact pins in a partially broken side view.
- FIG. 1 illustrates a thread delivery device 1 which has a basic body 2 in the form of a holder or housing which can be fastened with a clamp 3 to a mounting rail or a machine ring 4 of a textile machine, such as a knitting machine.
- the base body 2 projects cantilevered from the clamp 3 and carries a thread delivery device 5.
- this is formed by a thread delivery wheel 6 arranged below the base body 2, which is supported by a rotatably mounted axle 7 which penetrates the base body 2 vertically.
- This carries at its upper end above the base body 2 one or more pulleys 8, 9, which can optionally be coupled to the axis 7 via a clutch disc 11.
- the thread feed wheel 6 can be assigned a thread brake 12, which is arranged on the free end of the base body 2 remote from the clamp 3, as well as one or more thread feeler levers 13, 14, which are arranged in front of and behind the thread feed wheel 6 in the thread travel path and on the Base body 2 are pivotally mounted.
- a signal lamp 16 is arranged on a preferably vertically downward extension 15 of the otherwise essentially horizontally arranged base body 2, which is switched on and off by the thread feeler lever 13 and / or 14.
- a flat cable 17 is arranged on the machine ring. 4 This is somewhat fixed to the machine ring 4, for example with cable ties, adhesive strips or the like.
- Terminal 3 is formed by an open mouth.
- This includes a leg 18, which first extends approximately horizontally in a straight extension of the base body 2 and then extends vertically downward at an angle.
- the leg 18 defines a mouth 19, the vertical height of which is approximately as large as the height of the machine ring 4 and the horizontal width of which is greater than the width of the flat cable 17 and that of the machine ring 4 taken together.
- the mouth 19 has approximately a rectangular contour.
- a clamping screw 21, which is seated in a horizontally oriented threaded bore of the leg 18, is used to clamp the thread delivery device 1 on the machine ring 4.
- the threaded bore and the clamping screw 21 are arranged approximately centrally in the mouth 19.
- the flat cable 17 is arranged on the side of the machine ring 4 facing away from the clamping screw 21.
- contact pins 22, 23, 24, 25 shown in FIGS. 3 and 4 are arranged, which are held on the base body 2 at a distance parallel to one another and electrically insulated from one another. They extend towards the leg 18 and are oriented essentially parallel to the clamping screw 21.
- the contact pins 22 to 25 are preferably held stationary and arranged vertically one above the other. However, you can also with respect to the longitudinal direction of the flat cable 17, ie perpendicular to the plane of the drawing in FIG. 4, so that the stitch holes to be formed on the flat cable 17 are at a greater distance from one another.
- Each contact pin 22 to 25 preferably has a length such that it does not touch the flat cable 17 when it is inserted into the open mouth 19 with the machine ring 4.
- the contact pins 22 to 25 are provided at their respective free ends 26, 27, 28, 29 with a tip which is suitable for piercing the insulating jacket 31 of the flat cable 17.
- a plurality of conductors 32, 33, 34, 35 are arranged, which are preferably formed by a copper strand. The vertical spacing of the conductors 32 to 35 coincide with the vertical spacing of the contact pins 22 to 25.
- the tips 26 to 29 of the contact pins 22 to 25 protrude into a mouth-like recess 36, the size of which slightly exceeds that of the cross section of the flat cable 17. However, the tips 26 to 29 do not protrude from this recess 36.
- a chamber in the manner of a vertical slot is formed in the wall in question, in which the recess 36 is formed, in which a guide element 37 is seated.
- This guide element 37 which is preferably made of plastic, has a mouth 41 delimited at the top and bottom by two projections 38, 39, the size of which corresponds to the cross section of the flat cable 17 and which opens toward the clamping screw 21.
- the guide element 37 has a substantially flat contact surface 42, which is penetrated by bores 43, 44, 45, 46.
- the bores accommodate the contact pins 22 to 25, as can be seen in particular from FIG. 1. 3, 4 and 5, the guide element 37 is illustrated in its receiving position. It is movably mounted along the contact pins 22 to 25 and is held on a spring arm 47 which is integrally formed thereon. This is also shown in Figure 1.
- the guide element 37 is thereby movable so far that it can be pressed into the slot-like recess in which the contact pins 22 to 25 are seated. His back 48 can thereby be brought closer to the bottom 49 of the recess in question.
- the thread delivery device 1 described so far is mounted on a machine ring 4 as follows:
- the clamping screw 21 is first screwed out of the mouth 19 so far that the mouth 19 is completely released.
- the thread delivery device 1 is placed with its clamp 3 onto the machine ring 4 from above.
- the flat cable 17 lies opposite the mouth 41 of the guide element 37. This state can be seen from FIG. 1 as well as from FIG. 4. If the fastening screw 21 is now tightened somewhat, the flat cable 17 enters the mouth 41 of the guide element 37, as shown in FIG. 5.
- the guide element 37 which is guided precisely in the vertical direction by its spring arm 47, picks up the flat cable 17 between the projections 38 and 39 and, if necessary, corrects its height, so that its conductors 32 to 35 precisely at the level of the contact pins 22, 23, 24, 25 stand.
- FIG. 2 illustrates a modified embodiment of the thread delivery device, in which the thread delivery device 5 is driven by a motor 53. This sits on top of the base body 2 and replaces the pulleys 8, 9 according to FIG. 1.
- the motor 53 is controlled, for example, by thread tension sensors on the thread delivery device 1, which are not illustrated in any more detail.
- the flat cable 17 on the machine ring 4 again serves to supply power to the motor 53. The same is contacted in the manner described above.
- the terminal 3 and the electrical contacting device formed by it is designed according to Figures 3 to 6. Reference is made accordingly to these figures and their description and additionally to the description of FIG. 1.
- FIG. 7 shows a modified embodiment of the flat cable 17 as a flat cable 54.
- the flat cable 54 has an insulating jacket 31, the cross section of which has an approximately rectangular outline.
- Several, for example six, wires 55, 56, 57, 58, 59, 60 are accommodated in the jacket 31, which are designed, for example, as copper strands.
- the cores 55 to 60 are each Weil surrounded by its own insulation 61, 62, 63, 64, 65, 66.
- the insulation 61 to 66 can be multicolored. All cores 55 to 60 are arranged in a common vertical plane 67, which is oriented parallel to the flat sides 68, 69 of the flat cable 54.
- the wires 55, 56 serve, for example, as energy supply lines and have a larger cross section
- the wires 57 to 60 can serve as signal lines and have a correspondingly smaller cross section.
- the center distances of the wires 57 to 60 are also less than the center distances of the wires 55, 56.
- the center distances of the wires 57 to 60 can be less than half the thickness of the flat cable 54, ie less than the distance of the vertical plane 67 from one of the flat sides 69 or 68. The safe and correct contacting of the wires 57 to 60 is in these circumstances by grooves
- the groove 71 is arranged approximately in the center of a radial plane 79 of the wire 57, which is perpendicular to the vertical plane 67. Correspondingly, the groove 71 is at the same height as the wire 57.
- the grooves are also located
- the grooves 75 to 78 are also at the same height with the wires 57 to 60.
- FIG. 8 illustrates a further embodiment of a thread delivery device 1. If this corresponds to the thread delivery devices described above, reference is made to the above description using the same reference numerals. Deviating from the previous illustration, the following applies:
- the guide element 37 is formed by a corresponding contour 81 in the side wall of the mouth 19 facing the flat cable 17.
- the contact pins 22, 23, 24, 25 are in the rest position outside the contour 81. They are carried by a carrier 82, on which they are fixedly spaced parallel to one another and are kept insulated.
- the contact pins 22, 23, 24, 25 are connected to a further electrical circuit (not shown), the motor 53, the signal lamp 16 and / or another electrical device via flexible line means (flexible printed circuit board or the like).
- the carrier 82 is guided by a guide device 83.
- the guide device 83 is indicated in FIG. 8 by two slide guides which are arranged at both ends of the carrier 82.
- resilient webs or similar means can also be used here, via which the carrier 82 can be connected to the base body 2.
- a separate drive which is formed in the present exemplary embodiment by a rotatably mounted eccentric 84, is used for actuation, ie for the specific insertion of the contact pins 22, 23, 24, 25 into the flat cable 17.
- the eccentric 84 is formed by a cam 85 which is connected in a rotationally fixed manner to a hand lever or a similar actuating element, which is not further illustrated. It serves to move the carrier 82 axially.
- Spring means which are not further illustrated biases the carrier 82 into its retracted position illustrated in FIG. 8, in which the contact pins 22, 23, 24, 25 do not penetrate into the mouth 41.
- the cam 85 is pivoted, this causes the carrier 32 to move axially, as a result of which the contact pins 22, 23, 24, 25 penetrate into the mouth 41.
- the thread delivery device 1 according to FIG. 8 is used as follows:
- an actuating device which moves the carrier 82 towards the flat cable 17, with no retraction being provided or by means of a spring means. It's alterna- tiv possible to provide an actuator that acts both pushing and pulling, such as a toggle drive, a screw drive, a link guide or the like.
- the thread delivery device 1 has a clamp 3 for attachment to a machine ring 4.
- contact pins 22 to 25 are arranged, which are used for piercing into a flat cable 17 held on the machine ring 4.
- a guide element 37 which is movably mounted on or near the clamp, serves for the correct orientation of the flat cable 17 before and during the piercing process. In the vertical direction, it is preferably held by a spring arm 47.
- the flat cable 17 preferably has grooves on its flanks, which can also serve for the correct orientation of the flat cable before and during the piercing process.
- the tips of the contact pins 22 to 25 find in the grooves, which thereby cause the alignment of the flat cable 17 or 54.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/553,565 US20060231662A1 (en) | 2003-04-26 | 2004-03-17 | Thread feeding device and cable for the same |
EP04721190A EP1618237A2 (de) | 2003-04-26 | 2004-03-17 | Fadenliefergerät und kabel für ein solches |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10318931A DE10318931B4 (de) | 2003-04-26 | 2003-04-26 | Fadenliefergerät |
DE10318931.9 | 2003-04-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004097093A2 true WO2004097093A2 (de) | 2004-11-11 |
WO2004097093A3 WO2004097093A3 (de) | 2005-01-20 |
Family
ID=33393906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/002744 WO2004097093A2 (de) | 2003-04-26 | 2004-03-17 | Fadenliefergerät und kabel für ein solches |
Country Status (6)
Country | Link |
---|---|
US (1) | US20060231662A1 (de) |
EP (1) | EP1618237A2 (de) |
CN (1) | CN1780949A (de) |
DE (1) | DE10318931B4 (de) |
TW (1) | TWI271375B (de) |
WO (1) | WO2004097093A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010091521A1 (de) * | 2009-02-13 | 2010-08-19 | Rotorcraft Ag | Rundstrickmaschine mit integrierten streckwerken |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102800387B (zh) * | 2012-08-15 | 2015-01-07 | 广州广日电气设备有限公司 | 室内电缆 |
CN117550421B (zh) * | 2024-01-11 | 2024-03-22 | 江苏寻与纺织科技有限公司 | 一种纺织线牵引装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2148653A1 (de) * | 1971-09-29 | 1973-04-12 | Rosen Karl I J | Fadenliefervorrichtung fuer textilmaschinen |
DE19613385A1 (de) * | 1996-04-03 | 1997-10-09 | Liba Maschf | Kettenwirkmaschine mit mindestens einer Busleitungen aufweisenden Legebarre |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2318966A1 (de) * | 1973-04-14 | 1974-10-24 | Horst Paepke | Fadenfoerdervorrichtung fuer strickmaschinen |
DE2365251C2 (de) * | 1973-04-30 | 1983-02-17 | Aktiebolaget Iro, Ulricehamn | Fadenliefervorrichtung für Textilmaschinen |
DE2608590C3 (de) * | 1976-03-02 | 1980-08-28 | Memminger Gmbh, 7290 Freudenstadt | Fadenliefervorrichtung |
DE3416195A1 (de) * | 1984-05-02 | 1985-11-14 | Gustav 7290 Freudenstadt Memminger | Fadenliefervorrichtung fuer fadenverarbeitende textilmaschinen, bspw. rundstrick- oder -wirkmaschinen |
KR930003806B1 (ko) * | 1989-06-17 | 1993-05-13 | 유재풍 | 편물기용 전자동 실 공급장치 |
US5367122A (en) * | 1991-06-07 | 1994-11-22 | Olano Luis A R De | Ornamental electrical molding |
DE4206607A1 (de) * | 1991-09-26 | 1993-04-01 | Erich Roser | Fadenliefergeraet fuer fadenverbrauchende textilmaschinen |
SE511091C2 (sv) * | 1993-04-21 | 1999-08-02 | Sipra Patent Beteiligung | Garnmatare för textilmaskiner |
DE4336994C1 (de) * | 1993-10-29 | 1995-03-30 | Heinrich Fabschitz | Fadenliefervorrichtung mit stufenlos einstellbarer Fadenabzugspannung |
DE9408447U1 (de) * | 1994-05-21 | 1994-09-01 | Gabriele Derksen Lichttechnik | Adergruppe zur Strom- bzw. Spannungsversorgung von Stiftsockellampen |
TW498903U (en) * | 1999-01-22 | 2002-08-11 | Ren-Huei Chen | Constant-quantity and adjustable-quantity yarn-feeding device |
US6270032B1 (en) * | 1999-04-03 | 2001-08-07 | Jen Hui Chen | Variable or steady yarn feeding apparatus |
US6102320A (en) * | 1999-06-02 | 2000-08-15 | Chen; Jen Hui | Fabric yarn supply apparatus with dual feeding features |
DE19932481A1 (de) * | 1999-07-12 | 2001-01-18 | Memminger Iro Gmbh | Fadenliefergerät für Textilmaschinen |
US6178783B1 (en) * | 2000-03-09 | 2001-01-30 | Chung-Min Lin | Yarn feeder for knitting machine |
-
2003
- 2003-04-26 DE DE10318931A patent/DE10318931B4/de not_active Expired - Fee Related
-
2004
- 2004-03-17 CN CNA2004800111723A patent/CN1780949A/zh active Pending
- 2004-03-17 US US10/553,565 patent/US20060231662A1/en not_active Abandoned
- 2004-03-17 EP EP04721190A patent/EP1618237A2/de not_active Withdrawn
- 2004-03-17 WO PCT/EP2004/002744 patent/WO2004097093A2/de active Application Filing
- 2004-04-23 TW TW093111324A patent/TWI271375B/zh not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2148653A1 (de) * | 1971-09-29 | 1973-04-12 | Rosen Karl I J | Fadenliefervorrichtung fuer textilmaschinen |
DE19613385A1 (de) * | 1996-04-03 | 1997-10-09 | Liba Maschf | Kettenwirkmaschine mit mindestens einer Busleitungen aufweisenden Legebarre |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010091521A1 (de) * | 2009-02-13 | 2010-08-19 | Rotorcraft Ag | Rundstrickmaschine mit integrierten streckwerken |
Also Published As
Publication number | Publication date |
---|---|
TW200500287A (en) | 2005-01-01 |
TWI271375B (en) | 2007-01-21 |
EP1618237A2 (de) | 2006-01-25 |
CN1780949A (zh) | 2006-05-31 |
WO2004097093A3 (de) | 2005-01-20 |
DE10318931B4 (de) | 2005-10-20 |
US20060231662A1 (en) | 2006-10-19 |
DE10318931A1 (de) | 2004-11-25 |
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