EP0864679A1 - Gripper clamp for a carrying gripper and loom with a gripper clamp - Google Patents

Gripper clamp for a carrying gripper and loom with a gripper clamp Download PDF

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Publication number
EP0864679A1
EP0864679A1 EP97810149A EP97810149A EP0864679A1 EP 0864679 A1 EP0864679 A1 EP 0864679A1 EP 97810149 A EP97810149 A EP 97810149A EP 97810149 A EP97810149 A EP 97810149A EP 0864679 A1 EP0864679 A1 EP 0864679A1
Authority
EP
European Patent Office
Prior art keywords
gripper
clamp
terminal according
holding
rapier
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
Application number
EP97810149A
Other languages
German (de)
French (fr)
Other versions
EP0864679B1 (en
Inventor
Robert Rüegg
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.)
Itema Switzerland Ltd
Original Assignee
Sultex AG
Maschinenfabrik Rueti 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 Sultex AG, Maschinenfabrik Rueti AG filed Critical Sultex AG
Priority to EP97810149A priority Critical patent/EP0864679B1/en
Priority to DE59709010T priority patent/DE59709010D1/en
Priority to JP35776897A priority patent/JP4063376B2/en
Priority to US09/038,804 priority patent/US6102084A/en
Publication of EP0864679A1 publication Critical patent/EP0864679A1/en
Application granted granted Critical
Publication of EP0864679B1 publication Critical patent/EP0864679B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/12—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick
    • D03D47/20—Constructional features of the thread-engaging device on the inserters
    • D03D47/23—Thread grippers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/39—Cord and rope holders
    • Y10T24/3916—One-piece
    • Y10T24/3918—Wedge slot

Definitions

  • the invention relates to a gripper clamp for a Bring gripper according to the preamble of claim 1 and a rapier weaving machine with a rapier clamp.
  • Gripper clamps are known, the first and have second clamping member, which is a common Axis are arranged to pivot relative to each other to pinch a weft and a spring have which the clamping members against each other preloaded and the clamping force generated.
  • the two Clamping members form an inlet gap and one adjacent clamping section within which the Weft thread is clamped.
  • the invention is based on the known task Gripper clamps improve such that the disadvantages are fixed.
  • the gripper clamp contains a first and a second holding member 1 and 2, a hinge pin 3, a return spring 4 and a Stop element 5.
  • the first and second holding members 1, 2 are designed as two-armed levers and by means of Joint pin 3 connected to each other, the first Cold member 1 fixed and the second holding member 2 with respect the first is pivotally arranged.
  • the one Lever arm pair 11, 12 is on the opposite surfaces 13, 14 provided with tooth grooves 15 which in the Longitudinal extension of the lever arms 11, 12 are formed and interlock ( Figures 2 and 3).
  • This Lever arm pair 11, 12 forms starting from the free end an inlet section 16 with a decreasing gap width, a holding section 17 with a largely constant Gap width for the weft thread 18 and a section 19, in which the opposing surfaces of the lever arms 11, 12 lie one on top of the other, as shown in FIG is.
  • the lever arm 12 is the second Holding member 2 of the section 19 as a projection educated.
  • the return spring 4 is between the Lever arms 21, 22 of the other pair of lever arms arranged and holds the opposing faces of the section 19 of a pair of lever arms 11, 12 in resilient preloaded touch (Figure 2).
  • the stop element 5 is arranged in the return spring 4 and intended the executable by the other pair of lever arms 21, 22 Limit swivel movement and at the same time the Spring deflection 4.
  • A can be attached to the gripper clamp Organ 6 are attached to the depth of penetration of a Limit weft 18 in the hook clamp. Instead of the projection 19, a support part on a surface 13, 14 are applied.
  • Figure 5 shows an embodiment of the gripper clamp adjustable gap width.
  • To set the Minimum gap width in the holding section 17 is one Adjustment screw 31 and for setting the Maximum gap width an adjusting screw 32 is provided.
  • the adjusting screw 32 is connected to a steam organ 33, e.g. made of plastic.
  • the gripper clamp includes first and second Holding member 1, 2, which are arranged pivotably to each other and are in spring-loaded contact. Between the opposing surfaces of the holding links 1, 2 is a spacer 19 to one through the Grooves formed free space 15 for receiving a To create weft.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Abstract

A rapier clamp for the supply rapier of a rapier loom has a first and a second holding component (1, 2) which are in an elastic contact. The invention enables a free space (15) to be created between the opposite surfaces (13, 14) of the components (1, 2) for receiving the pick. The space (15) is created by means of a projection (19) provided on at least one holding component surface (13, 14).

Description

Die Erfindung betrifft eine Greiferklemme für einen Bringergreifer gemäss dem Oberbegriff des Anspruches 1 und eine Greiferwebmaschine mit Greiferklemme.The invention relates to a gripper clamp for a Bring gripper according to the preamble of claim 1 and a rapier weaving machine with a rapier clamp.

Es sind Greiferklemmen bekannt, die ein erstes und zweites Klemmglied aufweisen, die um eine gemeinsame Achse relativ zueinander schwenkbar angeordnet sind, um einen Schussfaden zu klemmen und die eine Feder aufweisen, welche die Klemmglieder gegeneinander vorspannt und die Klemmkraft erzeugt. Die beiden Klemmglieder bilden einen Einlaufspalt und einen angrenzenden Klemmabschnitt innerhalb welchem der Schussfaden geklemmt wird.Gripper clamps are known, the first and have second clamping member, which is a common Axis are arranged to pivot relative to each other to pinch a weft and a spring have which the clamping members against each other preloaded and the clamping force generated. The two Clamping members form an inlet gap and one adjacent clamping section within which the Weft thread is clamped.

Als nachteilig erweist sich, dass derartige Greiferklemmen eine durch Federkraft belastete Einklemmstelle aufweisen, wodurch der Faden relativ stark beansprucht wird und das Eintragen von unterschiedlich dicken und unterschiedlich strukturierten Fäden bei gleicher Klemmkraft stark eingeschränkt wird.It proves disadvantageous that such Gripper clamps loaded by spring force Have pinching point, which makes the thread relatively strong is claimed and the entry of different thick and differently structured threads same clamping force is severely restricted.

Der Erfindung liegt die Aufgabe Zugrunde die bekannten Greiferklemmen zu verbessern, derart, dass die Nachteile behoben sind. The invention is based on the known task Gripper clamps improve such that the disadvantages are fixed.

Diese Aufgabe wird erfindungsgemäss durch die kennzeichnenden Merkmale des Anspruches 1 gelöst.This object is achieved by the characterizing features of claim 1 solved.

Die mit der Erfindung erzielbaren Vorteile sind im wesentlichen darin zu sehen, dass die Druckbelastung auf den einzutragenden Schussfaden auf ein Minimum beschränkt ist.The advantages achievable with the invention are in essential to see in that the pressure load on the weft thread to be entered is kept to a minimum is.

Nachfolgend wird die Erfindung anhand der beiliegenden Zeichnungen erläutert.The invention is described below with reference to the enclosed Drawings explained.

Es zeigen:

Figur 1
Eine Seitenansicht eines ersten Ausführungsform einer erfindungsgemässen Greiferklemme, wobei ein dünner Faden gehalten ist;
Figur 2
einen Schnitt entlang der Linie II-II in Figur 1;
Figur 3
einen Schnitt entlang der Linie III-III in Figur 1;
Figur 4
eine Seitenansicht wie Figur 1, wobei ein dicker Faden gehalten ist und
Figur 5
eine Seitenansicht einer zweiten Ausführungsform einer erfindungsgemässen Greiferklemme.
Show it:
Figure 1
A side view of a first embodiment of a gripper clamp according to the invention, wherein a thin thread is held;
Figure 2
a section along the line II-II in Figure 1;
Figure 3
a section along the line III-III in Figure 1;
Figure 4
a side view like Figure 1, with a thick thread is held and
Figure 5
a side view of a second embodiment of a gripper clamp according to the invention.

Es wird auf die Figuren 1 bis 3 Bezug genommen. Die Greiferklemme enthält ein erstes und zweites Halteglied 1 und 2, einen Gelenkstift 3, eine Rückstellfeder 4 und ein Anschlagorgan 5. Das erste und zweite Halteglied 1, 2 sind als zweiarmige Hebel ausgebildet und mittels des Gelenkstiftes 3 miteinander verbunden, wobei das erste Kalteglied 1 fest und das zweite Halteglied 2 bezüglich dem ersten schwenkbar angeordnet ist. Das eine Hebelarmpaar 11, 12 ist an den gegenüberstehenden Flächen 13, 14 mit Zahnrillen 15 versehen, die in der Längserstreckung der Hebelarme 11, 12 ausgebildet sind und ineinandergreifen (Figur 2 und 3). Dieses Hebelarmpaar 11, 12 bildet ausgehend vom freien Ende einen Einlaufabschnitt 16 mit abnehmender Spaltweite, einen Halteabschnitt 17 mit weitgehend konstanter Spaltweite für den Schussfaden 18 und einen Abschnitt 19, in welchem die gegenüberstehenden Flächen der Hebelarme 11, 12 aufeinanderliegen, wie das in Figur 2 dargestellt ist. Um dies zu erreichen, ist am Hebelarm 12 des zweiten Haltegliedes 2 der Abschnitt 19 als Vorsprung ausgebildet. Die Rückstellfeder 4 ist zwischen die Hebelarme 21, 22 des anderen Hebelarmpaares angeordnet und hält die gegenüberstehenden Flächen des Abschnittes 19 des einen Hebelarmpaares 11, 12 in federnd vorgespannter Berührung (Figur 2). Das Anschlagorgan 5 ist in der Rückstellfeder 4 angeordnet und dazu bestimmt, die durch das andere Hebelarmpaar 21, 22 ausführbare Schwenkbewegung zu begrenzen und somit gleichzeitig die Einfederung der Feder 4. An der Greiferklemme kann ein Organ 6 befestigt werden, um die Eindringtiefe eines Schussfadens 18 in der Greiferklemme zu begrenzen. Anstelle des Vorsprunges 19 kann ein Auflageteil auf einer Fläche 13, 14 aufgebracht werden.Reference is made to FIGS. 1 to 3. The The gripper clamp contains a first and a second holding member 1 and 2, a hinge pin 3, a return spring 4 and a Stop element 5. The first and second holding members 1, 2 are designed as two-armed levers and by means of Joint pin 3 connected to each other, the first Cold member 1 fixed and the second holding member 2 with respect the first is pivotally arranged. The one Lever arm pair 11, 12 is on the opposite surfaces 13, 14 provided with tooth grooves 15 which in the Longitudinal extension of the lever arms 11, 12 are formed and interlock (Figures 2 and 3). This Lever arm pair 11, 12 forms starting from the free end an inlet section 16 with a decreasing gap width, a holding section 17 with a largely constant Gap width for the weft thread 18 and a section 19, in which the opposing surfaces of the lever arms 11, 12 lie one on top of the other, as shown in FIG is. To achieve this, the lever arm 12 is the second Holding member 2 of the section 19 as a projection educated. The return spring 4 is between the Lever arms 21, 22 of the other pair of lever arms arranged and holds the opposing faces of the section 19 of a pair of lever arms 11, 12 in resilient preloaded touch (Figure 2). The stop element 5 is arranged in the return spring 4 and intended the executable by the other pair of lever arms 21, 22 Limit swivel movement and at the same time the Spring deflection 4. A can be attached to the gripper clamp Organ 6 are attached to the depth of penetration of a Limit weft 18 in the hook clamp. Instead of the projection 19, a support part on a surface 13, 14 are applied.

Wie aus den Figuren 1 und 4 ersichtlich ist, können mit dem hier in Rede stehenden Greiferklemme unterschiedlich dicke oder strukturierte Schussfäden gehalten werden. Eine entsprechende Auslegung der Spaltweite im Halteabschnitt 17 und der Federkraft führt dazu, dass ein entsprechend dünner Schussfaden 18 ohne Klemmung lediglich durch Umschlingungsreibung gehalten wird. Bei einem dicken Schussfaden wird mittels der Feder 4 eine Federwirkung zur Unterstützung der Umschlingungsreibung erzeugt. Letztlich wirkt die Greiferklemme als eine sogenannte Keilklemme, wenn die Hebelarme 21, 22 am Abstandshalter 5 anliegen.As can be seen from Figures 1 and 4, with different from the gripper clamp in question here thick or structured weft threads are kept. A corresponding interpretation of the gap width in Holding section 17 and the spring force causes a correspondingly thin weft 18 without clamping is held only by belt friction. At a thick weft thread is a spring 4 Spring action to support the wrap friction generated. Ultimately, the gripper clamp acts as one so-called wedge clamp when the lever arms 21, 22 on Fit spacer 5.

Die Figur 5 zeigt eine Ausführung der Greiferklemme mit einstellbarer Spaltweite. Zur Einstellung der Mindestspaltweite im Halteabschnitt 17 ist eine Verstellschraube 31 und zur Einstellung der Maximalspaltweite eine Einstellschraube 32 vorgesehen. Die Einstellschraube 32 ist mit einem Dampforgan 33, z.B. aus Kunststoff versehen.Figure 5 shows an embodiment of the gripper clamp adjustable gap width. To set the Minimum gap width in the holding section 17 is one Adjustment screw 31 and for setting the Maximum gap width an adjusting screw 32 is provided. The adjusting screw 32 is connected to a steam organ 33, e.g. made of plastic.

Die Greiferklemme umfasst ein erstes und zweites Halteglied 1, 2, die zueinander schwenkbar angeordnet sind und in federnd vorgespannter Berührung stehen. Zwischen den gegenüberstehenden Flächen der Halteglieder 1, 2 ist ein Abstandsmittel 19, um einen durch die Zahnrillen gebildeter Freiraum 15 zur Aufnahme eines Schussfadens zu schaffen.The gripper clamp includes first and second Holding member 1, 2, which are arranged pivotably to each other and are in spring-loaded contact. Between the opposing surfaces of the holding links 1, 2 is a spacer 19 to one through the Grooves formed free space 15 for receiving a To create weft.

Claims (8)

Greiferklemme für einen Bringergreifer einer Greiferwebmaschine, mit einem ersten und zweiten Halteglied, die in federnde Berührung stehen, dadurch gekennzeichnet, dass ein Mittel (19, 31) vorgesehen ist, um zwischen den gegenüberstehenden Flächen (13, 14) der Halteglieder (1, 2) einen gebildeten Freiraum (15) zur Aufnahme des Schussfadens zu schaffen.Gripper clamp for a bringer gripper one Rapier weaving machine, with a first and a second Holding member, which are in resilient contact, thereby characterized in that a means (19, 31) is provided between the opposing surfaces (13, 14) the holding members (1, 2) have a free space formed (15) to accommodate the weft thread. Klemme nach Anspruch 1, gekennzeichnet durch einen Vorsprung (19), der auf der Fläche (13, 14) mindestens eines Haltegliedes (1, 2) ausgebildet ist.Terminal according to claim 1, characterized by a Projection (19) which on the surface (13, 14) at least one holding member (1, 2) is formed. Klemme nach Anspruch 1, gekennzeichnet durch einen Zwischenteil, der zwischen den Flächen (13, 14) der Halteglieder (1, 2) angeordnet ist.Terminal according to claim 1, characterized by a Intermediate part between the surfaces (13, 14) of the Holding members (1, 2) is arranged. Klemme nach Anspruch 1, gekennzeichnet durch ein Stellorgan (31) zum Einstellen des Freiraumes (15).Terminal according to claim 1, characterized by a Actuator (31) for adjusting the free space (15). Klemme nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das erste und zweite Halteglied als zweiarmiger Hebel (11, 21; 12, 22) ausgebildet und um eine gemeinsame Achse (13) relativ zueinander schwenkbar sind.Clamp according to one of claims 1 to 4, characterized characterized in that the first and second holding member designed as a two-armed lever (11, 21; 12, 22) and about a common axis (13) relative to each other are pivotable. Klemme nach Anspruch 5, dadurch gekennzeichnet, dass Halteabschnitte (17) für den Schussfaden jeweils an den gegenüberstehenden Flächen des einen Hebelarmpaares ausgebildet sind. Terminal according to claim 5, characterized in that Holding sections (17) for the weft each the opposite faces of one Lever arm pair are formed. Klemme nach Anspruch 6, dadurch gekennzeichnet, dass die Halteabschnitte (17) mit mindestens teilweise ineinandergreifenden Zahnrillen (15) versehen sind, die sich in Längserstreckung der Hebelarme erstrecken.Terminal according to claim 6, characterized in that the holding sections (17) with at least partially interlocking tooth grooves (15) are provided, which extend in the longitudinal direction of the lever arms extend. Greiferwebmaschine mit einer Greiferklemme nach einem der Ansprüche 1 bis 7.Rapier weaving machine with a rapier clamp after one of claims 1 to 7.
EP97810149A 1997-03-14 1997-03-14 Gripper clamp for a carrying gripper and loom with a gripper clamp Expired - Lifetime EP0864679B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP97810149A EP0864679B1 (en) 1997-03-14 1997-03-14 Gripper clamp for a carrying gripper and loom with a gripper clamp
DE59709010T DE59709010D1 (en) 1997-03-14 1997-03-14 Gripper clamp for a gripper and weaving machine with gripper clamp
JP35776897A JP4063376B2 (en) 1997-03-14 1997-12-25 Rapier clamp for weft insertion rapier and loom having the same rapier clamp
US09/038,804 US6102084A (en) 1997-03-14 1998-03-11 Rapier clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97810149A EP0864679B1 (en) 1997-03-14 1997-03-14 Gripper clamp for a carrying gripper and loom with a gripper clamp

Publications (2)

Publication Number Publication Date
EP0864679A1 true EP0864679A1 (en) 1998-09-16
EP0864679B1 EP0864679B1 (en) 2002-12-18

Family

ID=8230174

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97810149A Expired - Lifetime EP0864679B1 (en) 1997-03-14 1997-03-14 Gripper clamp for a carrying gripper and loom with a gripper clamp

Country Status (4)

Country Link
US (1) US6102084A (en)
EP (1) EP0864679B1 (en)
JP (1) JP4063376B2 (en)
DE (1) DE59709010D1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1426471A2 (en) * 2002-12-04 2004-06-09 Promatech S.p.A. Improved carrying gripper for weaving looms
CN105239254A (en) * 2015-10-30 2016-01-13 湖州织里韩衣童社服饰有限公司 Rapier loom giver

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10114755A1 (en) * 2001-03-21 2002-09-26 Picanol Nv Gripper clip for gripper loom, has pivoted gripper finger with guide surfaces at its end to restrain transverse motion
EP2037023A1 (en) * 2007-09-12 2009-03-18 Sultex AG Thread clamp for a gripper head and method for operating the same
CN105200628A (en) * 2015-10-30 2015-12-30 湖州织里韩衣童社服饰有限公司 Yarn gripping mechanism on weft insertion sword

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1571925A (en) * 1967-07-13 1969-06-20
EP0115238A2 (en) * 1983-01-24 1984-08-08 Societe Alsacienne De Construction De Materiel Textile Fly and dust guard system for the spring of a weft gripper
EP0207533A1 (en) * 1985-04-09 1987-01-07 Picanol N.V. Improved claws for weaving machine
EP0584429A1 (en) * 1992-08-25 1994-03-02 Silan Technische Glasweberei AG in Liquidation Thread clamp for a feeding gripper and gripper loom with thread clamp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1274589B (en) * 1994-08-05 1997-07-18 Nuovo Pignone Spa IMPROVED SYSTEM OF GRIPPING AND TIGHTENING THE WEFT IN THE TRACTION GRIPPER OF A TEXTILE FRAME

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1571925A (en) * 1967-07-13 1969-06-20
EP0115238A2 (en) * 1983-01-24 1984-08-08 Societe Alsacienne De Construction De Materiel Textile Fly and dust guard system for the spring of a weft gripper
EP0207533A1 (en) * 1985-04-09 1987-01-07 Picanol N.V. Improved claws for weaving machine
EP0584429A1 (en) * 1992-08-25 1994-03-02 Silan Technische Glasweberei AG in Liquidation Thread clamp for a feeding gripper and gripper loom with thread clamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1426471A2 (en) * 2002-12-04 2004-06-09 Promatech S.p.A. Improved carrying gripper for weaving looms
EP1426471A3 (en) * 2002-12-04 2004-12-08 Promatech S.p.A. Improved carrying gripper for weaving looms
CN105239254A (en) * 2015-10-30 2016-01-13 湖州织里韩衣童社服饰有限公司 Rapier loom giver

Also Published As

Publication number Publication date
JP4063376B2 (en) 2008-03-19
JPH10259547A (en) 1998-09-29
EP0864679B1 (en) 2002-12-18
US6102084A (en) 2000-08-15
DE59709010D1 (en) 2003-01-30

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