EP0498203B1 - Device for attaching cords for an embroidering machine - Google Patents

Device for attaching cords for an embroidering machine Download PDF

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Publication number
EP0498203B1
EP0498203B1 EP92100900A EP92100900A EP0498203B1 EP 0498203 B1 EP0498203 B1 EP 0498203B1 EP 92100900 A EP92100900 A EP 92100900A EP 92100900 A EP92100900 A EP 92100900A EP 0498203 B1 EP0498203 B1 EP 0498203B1
Authority
EP
European Patent Office
Prior art keywords
cord
rollers
embroidering
eyelet
return
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
EP92100900A
Other languages
German (de)
French (fr)
Other versions
EP0498203A2 (en
EP0498203A3 (en
Inventor
Heinz Georg Dipl.-Ing. Slomma
Karl Georg Stamprath
Paul Woelfle
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.)
ZSK Stickmaschinen GmbH
Original Assignee
ZSK Stickmaschinen 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 ZSK Stickmaschinen GmbH filed Critical ZSK Stickmaschinen GmbH
Publication of EP0498203A2 publication Critical patent/EP0498203A2/en
Publication of EP0498203A3 publication Critical patent/EP0498203A3/en
Application granted granted Critical
Publication of EP0498203B1 publication Critical patent/EP0498203B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C7/00—Special-purpose or automatic embroidering machines
    • D05C7/08—Special-purpose or automatic embroidering machines for attaching cords, tapes, bands, or the like

Definitions

  • the invention relates to a cord embroidery device for an embroidery machine with a thread transmitter coupled to the up and down movement of the sewing needle, which has an eyelet for the cord, and with two cord guides arranged in the range of motion of the eyelet.
  • cords in particular elastic cords
  • an electronically controlled unwinding device In practice, cords, in particular elastic cords, are applied to the embroidery material with an electronically controlled unwinding device.
  • the tension of the cord is measured and the pull-off speed of the cord is regulated by an assigned spool in accordance with the tension.
  • Such an unwinder is relatively large, heavy and requires an electrical supply.
  • the cord is first passed through a fixed eyelet, then through the eyelet of the thread take-up device and finally through another eyelet to the embroidery foot (see for example US-A-4 215 641).
  • the thread transmitter with its eyelet moves between the two fixed eyelets vertically between an upper and lower dead center.
  • the cord cannot be applied to the embroidery material without strain relief.
  • the object of the invention is to provide a cord embroidery device of the type described at the outset, which has a small design, no electrical supply required and the cord relieves the embroidery material.
  • the cord guides have backstops, with a backstop blocking the cord return from an embroidery foot to the thread take-up device and another backstop blocking the cord return from the thread take-up device to a cord storage device.
  • the cord can only move in one direction between the cord guides and the embroidery foot. There is usually enough loose material between the two cord guides so that the cord, the cord consumption of which is determined by the movement of the embroidery material, is fed to the embroidery material with strain relief.
  • a preferred embodiment of the invention is characterized in that the cord guides are formed from rollers with associated backstops and that the rollers are arranged on both sides of the path of movement of the eyelet on the thread take-up device.
  • the rollers are expediently arranged at the same height.
  • the rollers should preferably be arranged in a plane below the path center of the thread feeder.
  • the cord is first guided by the cord storage via a first roll with a large wrap angle, this first roll having a backstop in such a way that withdrawal of the cord to the cord storage is prevented. From this first roll, the cord is then passed through the eyelet of the thread take-up device via the second roll, also with a large wrap angle, to the embroidery foot.
  • the backstop of the second roll prevents the cord from retracting from the embroidery foot to the roll.
  • the backstops can be designed as a freewheel.
  • the rolls can have a roughened peripheral surface. Furthermore, the rolls can have circumferential rings on both sides of the circumferential surface so that the cord does not slip off the rolls.
  • the cord guides can be designed as eyelets, which are each assigned backstops.
  • the drawing shows the housing arm 1 of an embroidery machine, in which a driven needle bar 2 is guided up and down.
  • the needle bar 2 carries a needle 3 for a sewing thread 4 at its lower end.
  • a holding bar 5 for an embroidery foot 6 extends parallel to the needle bar 2.
  • a thread transmitter 7 is fastened, which in the embodiment shown has an upwardly extending, angled end with an eyelet 8.
  • a bracket 9 is attached to the end face of the arm 1 and has two axes 10 for rollers 11, 12 mounted thereon.
  • the two rollers 11, 12 have a roughened circumferential surface and circumferential rings 13 on both sides of the circumferential surface.
  • Each roller 11 or 12 is equipped with a backstop, which is not shown in detail and which can be a freewheel.
  • a cord 14 is first passed from a cord spool, not shown, over the right-hand roller 12 in FIG and finally led to the embroidery foot 6.
  • the backstop of the roll 12 is set up so that withdrawal of the cord 14 from this roll 12 is blocked. Accordingly, the roller 12 can only rotate in the direction of arrow 15.
  • the backstop of the roller 11 is set up so that a withdrawal of the cord 11 from the embroidery foot 6 via the roller 11 is blocked. Accordingly, the roller 11 can only rotate in the direction of the arrow 16.
  • Both rollers 11, 12 are arranged in a horizontal plane below the path center of the eyelet 8 on the thread transmitter 7.
  • the thread transmitter 7 catches up the cord 14 from the cord spool. Since the rollers 11, 12 have an opposite direction of rotation, the roller 11 blocks and due to the looping of the roller 11, the cord 14 is relieved of tension to the embroidery base via the roller 12 by the cord spool.
  • the cord 14 is embroidered. Since the eyelet 8 of the thread transmitter 7 has a smaller distance from the center of the axis of the rollers 11 and 12 when embroidering, the cord 14 is applied to the embroidery material 17 with strain relief. The cord consumption is determined by the movement of the embroidery material 17.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Description

Die Erfindung betrifft eine Kordelstickeinrichtung für eine Stickmaschine mit einem an die Auf- und Abbewegung der Nähnadel gekoppelten Fadengeber, der eine Öse für die Kordel aufweist, und mit zwei im Bewegungsbereich der Öse angeordneten Kordelführungen.The invention relates to a cord embroidery device for an embroidery machine with a thread transmitter coupled to the up and down movement of the sewing needle, which has an eyelet for the cord, and with two cord guides arranged in the range of motion of the eyelet.

In der Praxis werden Kordeln, insbesondere elastische Kordeln, mit einer elektronisch gesteuerten Abwickelvorrichtung auf das Stickgut aufgebracht. Dabei wird die Spannung der Kordel gemessen und nach Maßgabe der Spannung die Abzugsgeschwindigkeit der Kordel von einer zugeordneten Spule geregelt. Eine solche Abwickelvorrichtung baut verhältnismäßig groß, besitzt ein großes Gewicht und erfordert eine elektrische Versorgung.In practice, cords, in particular elastic cords, are applied to the embroidery material with an electronically controlled unwinding device. The tension of the cord is measured and the pull-off speed of the cord is regulated by an assigned spool in accordance with the tension. Such an unwinder is relatively large, heavy and requires an electrical supply.

Bei einer anderen, gattungsgemäßen Kordelstickeinrichtung wird die Kordel zunächst durch eine ortsfeste Öse, dann durch die Öse des Fadengebers und schließlich durch eine weitere Öse zum Stickfuß geführt (Siehe zum Beispiel US-A-4 215 641). Der Fadengeber mit seiner Öse bewegt sich zwischen den beiden ortsfesten Ösen senkrecht zwischen einem oberen und unteren Totpunkt. Dabei kann die Kordel jedoch nicht zugentlastet auf das Stickgut aufgebracht werden.In another generic cord embroidery device, the cord is first passed through a fixed eyelet, then through the eyelet of the thread take-up device and finally through another eyelet to the embroidery foot (see for example US-A-4 215 641). The thread transmitter with its eyelet moves between the two fixed eyelets vertically between an upper and lower dead center. However, the cord cannot be applied to the embroidery material without strain relief.

Aufgabe der Erfindung ist es, eine Kordelstickeinrichtung der eingangs beschriebenen Gattung anzugeben, die eine kleine Bauweise, keine elektrische Versorgung benötigt und die Kordel zugentlastet dem Stickgut zuführt.The object of the invention is to provide a cord embroidery device of the type described at the outset, which has a small design, no electrical supply required and the cord relieves the embroidery material.

Diese Aufgabe wird dadurch gelöst, daß die Kordelführungen Rücklaufsperren aufweisen, wobei eine Rücklaufsperre den Kordelrücklauf von einem Stickfuß zum Fadengeber und eine andere Rücklaufsperre den Kordelrücklauf vom Fadengeber zu einem Kordelspeicher sperrt. Bei Betrieb dieser Kordeleinrichtung kann die Kordel sich zwischen den Kordelführungen und dem Stickfuß stets nur in einer Richtung bewegen. Zwischen den beiden Kordelführungen ist in der Regel genügend Lose vorhanden, so daß die Kordel, deren Kordelverbrauch durch die Bewegung des Stickgutes bestimmt wird, zugentlastet dem Stickgut zugeführt wird.This object is achieved in that the cord guides have backstops, with a backstop blocking the cord return from an embroidery foot to the thread take-up device and another backstop blocking the cord return from the thread take-up device to a cord storage device. When this cord device is in operation, the cord can only move in one direction between the cord guides and the embroidery foot. There is usually enough loose material between the two cord guides so that the cord, the cord consumption of which is determined by the movement of the embroidery material, is fed to the embroidery material with strain relief.

Eine bevorzugte Ausführung der Erfindung ist dadurch gekennzeichnet, daß die Kordelführungen aus Rollen mit zugeordneten Rücklaufsperren ausgebildet sind und daß die Rollen beidseits der Bewegungsbahn der Öse am Fadengeber angeordnet sind. Zweckmäßig werden die Rollen in gleicher Höhe angeordnet. Bevorzugt sollen die Rollen in einer Ebene unterhalb der Wegmitte des Fadengebers angeordnet sein. Die Kordel wird von dem Kordelspeicher zunächst über eine erste Rolle mit großem Umschlingungswinkel geführt, wobei diese erste Rolle eine Rücklaufsperre derart aufweist, daß ein Rückzug der Kordel zum Kordelspeicher unterbunden wird. Von dieser ersten Rolle wird die Kordel dann durch die Öse des Fadengebers über die zweite Rolle ebenfalls mit großem Umschlingungswinkel bis zum Stickfuß geführt. Die Rücklaufsperre der zweiten Rolle verhindert einen Rückzug der Kordel vom Stickfuß zur Rolle. Die Rücklaufsperren können als Freilauf ausgebildet sein.A preferred embodiment of the invention is characterized in that the cord guides are formed from rollers with associated backstops and that the rollers are arranged on both sides of the path of movement of the eyelet on the thread take-up device. The rollers are expediently arranged at the same height. The rollers should preferably be arranged in a plane below the path center of the thread feeder. The cord is first guided by the cord storage via a first roll with a large wrap angle, this first roll having a backstop in such a way that withdrawal of the cord to the cord storage is prevented. From this first roll, the cord is then passed through the eyelet of the thread take-up device via the second roll, also with a large wrap angle, to the embroidery foot. The backstop of the second roll prevents the cord from retracting from the embroidery foot to the roll. The backstops can be designed as a freewheel.

Um die Haftung der Kordel auf den Rollen zu verbessern, können die Rollen eine gerauhte Umfangsfläche aufweisen. Ferner können die Rollen beidseits der Umfangsfläche Umfangskränze aufweisen, damit die Kordel nicht von den Rollen abrutscht.In order to improve the adhesion of the cord to the rolls, the rolls can have a roughened peripheral surface. Furthermore, the rolls can have circumferential rings on both sides of the circumferential surface so that the cord does not slip off the rolls.

Bei einer anderen Ausführung können die Kordelführungen als Ösen ausgebildet sein, denen jeweils Rücklaufsperren zugeordnet sind.In another embodiment, the cord guides can be designed as eyelets, which are each assigned backstops.

Im folgenden wird ein in der Zeichnung dargestelltes Ausführungsbeispiel der Erfindung erläutert; es zeigen:

Fig. 1
eine Stirnansicht einer Kordelstickeinrichtung,
Fig. 2
einen Schnitt in Richtung A-A durch den Gegenstand nach Fig. 1.
Fig. 3
den Gegenstand nach Fig. 1 in anderer Funktionsstellung,
Fig. 4
einen Schnitt in Richtung A-A durch den Gegenstand nach Fig. 3.
In the following an embodiment of the invention shown in the drawing is explained; show it:
Fig. 1
an end view of a cord embroidery device,
Fig. 2
a section in the direction AA through the object of FIG. 1st
Fig. 3
1 in a different functional position,
Fig. 4
3 shows a section in the direction AA through the object according to FIG. 3.

Die Zeichnung zeigt den Gehäusearm 1 einer Stickmaschine, in dem eine angetriebene Nadelstange 2 auf- und abbeweglich geführt ist. Die Nadelstange 2 trägt an ihrem unteren Ende eine Nadel 3 für einen Nähfaden 4. Parallel zur Nadelstange 2 erstreckt sich eine Haltestange 5 für einen Stickfuß 6.The drawing shows the housing arm 1 of an embroidery machine, in which a driven needle bar 2 is guided up and down. The needle bar 2 carries a needle 3 for a sewing thread 4 at its lower end. A holding bar 5 for an embroidery foot 6 extends parallel to the needle bar 2.

Am unteren Ende der Nadelstange 2 ist ein Fadengeber 7 befestigt, der bei der dargestellten Ausführung ein sich nach oben erstreckendes, abgewinkeltes Ende mit einer Öse 8 aufweist.At the lower end of the needle bar 2, a thread transmitter 7 is fastened, which in the embodiment shown has an upwardly extending, angled end with an eyelet 8.

An der Stirnseite des Arms 1 ist eine Konsole 9 befestigt, die zwei Achsen 10 für darauf gelagerte Rollen 11, 12 aufweist. Die beiden Rollen 11, 12 besitzen eine gerauhte Umfangsfläche und beidseits der Umfangsfläche Umfangskränze 13. Jede Rolle 11 beziehungsweise 12 ist mit einer Rücklaufsperre ausgerüstet, die im einzelnen nicht dargestellt ist und die ein Freilauf sein kann.A bracket 9 is attached to the end face of the arm 1 and has two axes 10 for rollers 11, 12 mounted thereon. The two rollers 11, 12 have a roughened circumferential surface and circumferential rings 13 on both sides of the circumferential surface. Each roller 11 or 12 is equipped with a backstop, which is not shown in detail and which can be a freewheel.

Wie man insbesondere aus Fig. 1 entnimmt, wird eine Kordel 14 von einer nicht dargestellten Kordelspule zunächst über die in Fig. 1 rechten Rolle 12 mit großem Umschlingungswinkel geführt, dann durch die Öse 8 des Fadengebers 7, ferner mit großem Umschlingungswinkel über die Rolle 11 und schließlich zum Stickfuß 6 geführt. Die Rücklaufsperre der Rolle 12 ist so eingerichtet, daß ein Rückzug der Kordel 14 von dieser Rolle 12 gesperrt ist. Dementsprechend kann sich die Rolle 12 nur in Richtung des Pfeils 15 drehen. Die Rücklaufsperrre der Rolle 11 ist demgegenüber so eingerichtet, daß ein Rückzug der Kordel 11 vom Stickfuß 6 über die Rolle 11 gesperrt ist. Die Rolle 11 kann sich dementsprechend nur in Richtung des Pfeils 16 drehen.As can be seen in particular from FIG. 1, a cord 14 is first passed from a cord spool, not shown, over the right-hand roller 12 in FIG and finally led to the embroidery foot 6. The backstop of the roll 12 is set up so that withdrawal of the cord 14 from this roll 12 is blocked. Accordingly, the roller 12 can only rotate in the direction of arrow 15. The backstop of the roller 11 is set up so that a withdrawal of the cord 11 from the embroidery foot 6 via the roller 11 is blocked. Accordingly, the roller 11 can only rotate in the direction of the arrow 16.

Beide Rollen 11, 12 sind in einer horizontalen Ebene unterhalb der Wegmitte der Öse 8 am Fadengeber 7 angeordnet.Both rollers 11, 12 are arranged in a horizontal plane below the path center of the eyelet 8 on the thread transmitter 7.

Bei der in den Figuren 1 und 2 wiedergegebenen Position holt der Fadengeber 7 die Kordel 14 von der Kordelspule nach. Da die Rollen 11, 12 einen gegenläufigen Drehsinn haben, blockiert die Rolle 11 und aufgrund der Umschlingung der Rolle 11 wird die Kordel 14 zugentlastet zum Stickuntergrund über die Rolle 12 von der Kordelspule abgezogen.In the position shown in FIGS. 1 and 2, the thread transmitter 7 catches up the cord 14 from the cord spool. Since the rollers 11, 12 have an opposite direction of rotation, the roller 11 blocks and due to the looping of the roller 11, the cord 14 is relieved of tension to the embroidery base via the roller 12 by the cord spool.

Bei der in den Figuren 3 und 4 wiedergegebenen Position wird die Kordel 14 festgestickt. Da die Öse 8 des Fadengebers 7 beim Feststicken einen geringeren Abstand zur Achsenmitte der Rollen 11 und 12 hat, wird die Kordel 14 zugentlastet auf das Stickgut 17 aufgebracht. Der Kordelverbrauch wird durch die Bewegung des Stickgutes 17 bestimmt.In the position shown in Figures 3 and 4, the cord 14 is embroidered. Since the eyelet 8 of the thread transmitter 7 has a smaller distance from the center of the axis of the rollers 11 and 12 when embroidering, the cord 14 is applied to the embroidery material 17 with strain relief. The cord consumption is determined by the movement of the embroidery material 17.

Claims (8)

  1. Cord embroidering apparatus for an embroidering machine, having a thread dispenser which is linked with the upward and downward movement of the sewing needle includes an eyelet for the cord, and having cord guide means disposed in the range of movement of the eyelet, characterised in that the cord guide means (11, 12) include return stops (11, 12), one return stop blocking the return of cord from an embroidering foot (6) to the thread dispenser (7), and another return stop blocking the return of cord from the thread dispenser (7) to a cord storage unit.
  2. Cord embroidering apparatus according to claim 1, characterised in that the cord guide means are formed from rollers (11, 12) with associated return stops, and in that the rollers (11, 12) are disposed on the thread dispenser (7) on each side of the path of movement of the eyelet (8).
  3. Cord embroidering apparatus according to claim 1 or 2, characterised in that the rollers (11, 12) are disposed at the same height.
  4. Cord embroidering apparatus according to one of claims 1 or 2, characterised in that the rollers (11, 12) are disposed so as to be vertically adjustable together or individually.
  5. Cord embroidering apparatus according to one of claims 1 to 3, characterised in that the rollers (11, 12) are disposed in a plane beneath the path centre of the eyelet (8) of the thread dispenser (7).
  6. Cord embroidering apparatus according to one of claims 1 to 5, characterised in that the surface of the rollers (11, 12) is configured or coated in such a manner that there is a high coefficient of friction between rollers (11, 12) and cord (14).
  7. Cord embroidering apparatus according to one of claims 1 to 6, characterised in that the rollers (11, 12) include circumferential rings (13) on each side of the circumferential face.
  8. Cord embroidering apparatus according to claim 1, characterised in that the cord guide means are configured as eyelets which each have respective return stops associated therewith.
EP92100900A 1991-02-02 1992-01-21 Device for attaching cords for an embroidering machine Expired - Lifetime EP0498203B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9101200U 1991-02-02
DE9101200U DE9101200U1 (en) 1991-02-02 1991-02-02 Cord embroidery device for an embroidery machine

Publications (3)

Publication Number Publication Date
EP0498203A2 EP0498203A2 (en) 1992-08-12
EP0498203A3 EP0498203A3 (en) 1992-09-09
EP0498203B1 true EP0498203B1 (en) 1995-07-26

Family

ID=6863934

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92100900A Expired - Lifetime EP0498203B1 (en) 1991-02-02 1992-01-21 Device for attaching cords for an embroidering machine

Country Status (4)

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EP (1) EP0498203B1 (en)
KR (1) KR920016638A (en)
DE (2) DE9101200U1 (en)
GR (1) GR3017217T3 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995028514A1 (en) * 1994-04-18 1995-10-26 Gunold, Friedrich, Ekkehard Cord placing mechanism for stitching and similar machines
JP3420648B2 (en) * 1994-12-19 2003-06-30 株式会社バルダン Sewing machine with coding function
JPH08299639A (en) * 1995-05-12 1996-11-19 Tokai Ind Sewing Mach Co Ltd Sewing machine
DE102006021425A1 (en) * 2006-05-05 2007-11-08 Zsk Stickmaschinen Gmbh Separating and positioning device
KR101254885B1 (en) * 2009-03-27 2013-04-15 저지앙 챔피온 미케니컬 앤드 일렉트리컬 테크놀러지 캄파니 리미티드 Supplying device for winding embroidery machine
CN110565289B (en) * 2019-07-24 2023-08-11 浙江信胜科技股份有限公司 Multi-sequin multi-combination feeding device and embroidery machine
CN113584748B (en) * 2021-08-31 2023-06-02 浙江镨美科智能刺绣设备有限公司 Tape coiling embroidery device and tape coiling embroidery feeding control method
CN114381876B (en) * 2021-12-10 2023-01-06 浙江信胜科技股份有限公司 Rope embroidery machine head with rope clamping function and rope embroidery machine

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Publication number Priority date Publication date Assignee Title
US1410178A (en) * 1920-10-13 1922-03-21 Griciunas Ignati Braid-guiding device for sewing machines
CH97037A (en) * 1921-06-06 1922-12-01 Saurer Ag Adolph Method and device for feeding and embroidering cords on fabric in multi-needle embroidery machines.
US2231648A (en) * 1938-09-13 1941-02-11 Willcox & Gibbs Sewing Machine Sewing machine
FR1440079A (en) * 1965-04-14 1966-05-27 Rosy Soc Advanced sewing machine tape dispenser
US4215641A (en) * 1979-07-05 1980-08-05 The Singer Company Electronic control of needle thread in a sewing machine
DE3217326C1 (en) * 1982-05-08 1983-11-03 Maschinenfabrik Carl Zangs Ag, 4150 Krefeld Device on embroidering, quilting or sewing machines for making one-sided flat embroidery stitches or yarn loops

Also Published As

Publication number Publication date
EP0498203A2 (en) 1992-08-12
DE59202992D1 (en) 1995-08-31
DE9101200U1 (en) 1991-04-25
GR3017217T3 (en) 1995-11-30
EP0498203A3 (en) 1992-09-09
KR920016638A (en) 1992-09-25

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