EP0957190A1 - Thread clamping device, more especially for the patterning weft in Jacquard looms - Google Patents
Thread clamping device, more especially for the patterning weft in Jacquard looms Download PDFInfo
- Publication number
- EP0957190A1 EP0957190A1 EP99104558A EP99104558A EP0957190A1 EP 0957190 A1 EP0957190 A1 EP 0957190A1 EP 99104558 A EP99104558 A EP 99104558A EP 99104558 A EP99104558 A EP 99104558A EP 0957190 A1 EP0957190 A1 EP 0957190A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weft
- clamping device
- thread
- thread clamping
- harness cord
- 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
Links
- 238000000059 patterning Methods 0.000 title 1
- 239000004744 fabric Substances 0.000 abstract description 3
- 238000009941 weaving Methods 0.000 abstract description 2
- 206010059875 Device ineffective Diseases 0.000 description 1
Images
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
- D03D47/125—Weft holding devices
-
- 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
- D03D47/34—Handling the weft between bulk storage and weft-inserting means
Definitions
- the invention relates to a thread clamping device, in particular for figure weft threads in jacquard machines.
- the object of the invention is therefore a Propose thread clamping device of the type mentioned at the outset, the one with low mechanical load on the figure weft exact introduction of the figure weft thread with the same Tension guaranteed.
- the Clamping device a spring-loaded clamping plate for fixing of the figure weft on a cable or the like with the harness cord of the assigned figure weft strand connected is.
- the clamping plate works with one pivoting lever together, one end of which is pulled by a cable or the like with the harness cord of the assigned Figure weft strand is connected.
- the Clamping device a spring-loaded clamping plate for fixing of the figure weft, which by an electromagnet in Release position is movable, the electromagnet through the electronic control of the harness cord of the assigned Figure weft strand is controlled.
- a figure weft thread 1 is known Introduced way over a figure weft strand 2.
- the Figure weft strand 2 is in a known manner via a Harness cord 3 of a jacquard machine 4 moves, the Control of the harness cord 3 usually on electronic Way is done.
- the clamping device consists of a spring-loaded clamping plate 5, with a counter pressure plate 6 cooperates.
- the clamping plate 5 with an electromagnet 9 connected by the control pulse of the jacquard machine 4th for the harness cord 3 of the assigned figure weft strand 2 is controlled.
- the proposed solution has the advantage that if the Figure weft strand 2 over the associated harness cord 3 is operated by the jacquard machine, at the same time the Clamping device is actuated and released, so that the Figure weft thread 1 unimpeded without changing the thread tension can enter the tissue. This is not just for one Entry shot possible, but also for multiple shot entries behind each other. Since the control of the invention Clamping device regardless of the change in thread tension of the Figure weft thread 1, the predetermined thread tension remains always the same, so that a uniform tissue structure, in particular the edges, is guaranteed.
Abstract
Fadenklemmvorrichtung, insbesondere für Figurschußfäden (1) bei Jacquardmaschinen (4). Figurschußfäden (1), z.B. an Jacquard-Webmaschinen (4) werden nur entsprechend der figürlichen Ausgestaltung des Gewebes von Zeit zu Zeit eingetragen. Während der Zeit des Stillstandes werden die Figurschußfäden (1) unter Spannung gehalten und entsprechend der Anforderung freigegeben. Bekannt sind dazu Fadenklemmvorrichtungen, die durch Fadenspannungsunterschiede im Figurschußfaden gesteuert sind. Zur Erzielung eines gleichmäßigeren Gewebeaufbaus und zur Vermeidung von Beschädigungen der Figurschußfäden (1) durch die Klemmvorrichtung wird vorgeschlagen, die Fadenklemmvorrichtung über die Harnischschnur (3) bzw. über die zugeordnete Figurschußfadenlitze (2) zu steuern. <IMAGE>Thread clamping device, in particular for figure weft threads (1) in jacquard machines (4). Figure weft threads (1), e.g. Jacquard weaving machines (4) are only entered from time to time in accordance with the figurative design of the fabric. During the time of standstill, the figure weft threads (1) are kept under tension and released according to the requirement. Thread clamping devices are known for this purpose, which are controlled by thread tension differences in the figure weft thread. In order to achieve a more even fabric structure and to avoid damage to the figure weft threads (1) by the clamping device, it is proposed to control the thread clamping device via the harness cord (3) or via the associated figure weft strand (2). <IMAGE>
Description
Die Erfindung betrifft eine Fadenklemmvorrichtung, insbesondere für Figurschußfäden bei Jacquardmaschinen.The invention relates to a thread clamping device, in particular for figure weft threads in jacquard machines.
Diese Figurschußfäden, wie sie z.B. an Jacquard-Webmaschinen vorkommen, werden nur entsprechend der figürlichen Ausgestaltung des Gewebes von Zeit zu Zeit eingetragen. Während der Zeit des Stillstandes muß jedoch der Figurschußfaden unter Spannung gehalten werden und darf lediglich auf Anforderung freigegeben werden.These figure weft threads, e.g. on jacquard weaving machines occur only according to the figurative design of the tissue entered from time to time. During the time of However, the figure weft must stand still under tension be kept and may only be released on request become.
Bei den bislang bekannten derartigen Klemmvorrichtungen für die Figurschußfäden ist eine Fadenführung so angeordnet, daß beim Abziehen von Faden die Klemmeinrichtung unwirksam und beim Nachlassen der Fadenspannung des Figurschußfadens um einen vorbestimmten Betrag wirksam ist. Diese aufgrund der Fadenspannungsunterschiede des Figurschußfadens wirkende Klemmvorrichtung führt zu einer starken mechanischen Beanspruchung des Figurschußfadens. Die Erfahrung zeigt weiterhin, daß durch die auftretenden unterschiedlichen Fadenspannungen im Figurschußfaden das hergestellte Gewebe ungleichmäßig ist, z.B. einen ungleichen Kantenaufbau aufweist.In the previously known such clamping devices for Figure weft threads is arranged so that when Pulling out thread the clamping device ineffective and when Relief of the tension of the figure weft by one predetermined amount is effective. This due to the Differences in tension of the figure weft acting Clamping device leads to a strong mechanical Stress on the figure weft. Experience shows further that by the occurring different Thread tensions in the figure weft thread the fabric produced is uneven, e.g. has an uneven edge structure.
Die Aufgabe der Erfindung besteht daher darin, eine Fadenklemmvorrichtung der eingangs genannten Art vorzuschlagen, die bei geringer mechanischer Belastung des Figurschußfadens eine genaue Einführung des Figurschußfadens bei gleichbleibender Spannung gewährleistet.The object of the invention is therefore a Propose thread clamping device of the type mentioned at the outset, the one with low mechanical load on the figure weft exact introduction of the figure weft thread with the same Tension guaranteed.
Diese Aufgabe wird dadurch gelöst, daß die Fadenklemmvorrichtung an der zugeordneten Figurschußfadenlitze positiv gesteuert ist. Diese kann beispielhaft über die Harnischschnur von der Jacquardmaschine erfolgen, aber auch durch andere Steuerimpulse.This object is achieved in that the thread clamping device is positively controlled on the associated figure weft. This can be exemplified by the harness cord from the Jacquard machine take place, but also by other control impulses.
Bei einer vorteilhaften Ausführungsform weist die Klemmvorrichtung eine federbelastete Klemmplatte zum Festlegen des Figurschußfadens auf, die über einen Seilzug oder dergleichen mit der Harnischschnur der zugeordneten Figurschußfadenlitze verbunden ist. Vorteilhaft wirkt die Klemmplatte mit einem schwenkbaren Hebel zusammen, dessen eines Ende über einen Seilzug oder dergleichen mit der Harnischschnur der zugeordneten Figurschußfadenlitze verbunden ist. In an advantageous embodiment, the Clamping device a spring-loaded clamping plate for fixing of the figure weft on a cable or the like with the harness cord of the assigned figure weft strand connected is. The clamping plate works with one pivoting lever together, one end of which is pulled by a cable or the like with the harness cord of the assigned Figure weft strand is connected.
Bei einer anderen vorteilhaften Ausführungsform weist die Klemmvorrichtung eine federbelastete Klemmplatte zum Festlegen des Figurschußfadens auf, die durch einen Elektromagneten in Freigabestellung bewegbar ist, wobei der Elektromagnet durch die elektronische Steuerung der Harnischschnur der zugeordneten Figurschußfadenlitze gesteuert ist.In another advantageous embodiment, the Clamping device a spring-loaded clamping plate for fixing of the figure weft, which by an electromagnet in Release position is movable, the electromagnet through the electronic control of the harness cord of the assigned Figure weft strand is controlled.
Die Erfindung ist in den Zeichnungen beispielhaft dargestellt. Es zeigen:
- Fig. 1
- eine mechanisch betätigte Fadenklemmvorrichtung in Klemmstellung,
- Fig. 2
- die Fadenklemmvorrichtung nach Fig. 1 in Freigabestellung,
- Fig. 3
- eine elektronisch betätigte Fadenklemmvorrichtung in Klemmstellung und
- Fig. 4
- die Fadenklemmvorrichtung nach Fig. 3 in Freigabestellung.
- Fig. 1
- a mechanically operated thread clamping device in the clamping position,
- Fig. 2
- 1 in the release position,
- Fig. 3
- an electronically operated thread clamping device in the clamping position and
- Fig. 4
- the thread clamping device of FIG. 3 in the release position.
Nach den Figuren 1 bis 4 wird ein Figurschußfaden 1 in bekannter
Weise über eine Figurschußfadenlitze 2 eingeführt. Die
Figurschußfadenlitze 2 wird in bekannter Weise über eine
Harnischschnur 3 einer Jacquardmaschine 4 bewegt, wobei die
Steuerung der Harnischschnur 3 in der Regel auf elektronische
Weise erfolgt.According to Figures 1 to 4, a
Nach den Figuren 1 bis 4 besteht die Klemmvorrichtung aus einer
federbelasteten Klemmplatte 5, die mit einer Gegendruckplatte 6
zusammenwirkt. According to Figures 1 to 4, the clamping device consists of a
spring-loaded
Wie die Figuren 1 bis 3 zeigen, preßt die federbelastete
Klemmplatte 5 in Klemmstellung den Figurschußfaden 1 auf die
Gegendruckplatte 6, so daß der Figurschußfaden 1 gehalten ist.As Figures 1 to 3 show, the spring-loaded
Wie die Figuren 1 und 2 zeigen, ist mit der federbelasteten
Klemmplatte 5 ein schwenkbarer Hebel 7 verbunden, dessen eines
Ende über einen Seilzug 8 mit der Harnischschnur 3 der
zugeordneten Figurschußfadenlitze 2 verbunden ist. Wird die
Harnischschnur 3 von der Jacquardmaschine angesteuert und so der
Seilzung 8 gezogen, so wird der Hebel 7 gleichfalls in die in
Fig. 2 dargestellte Stellung bewegt, so daß der Figurschußfaden 1
freigegeben ist.As shown in Figures 1 and 2, is with the spring-loaded
Bei der Ausführungsform der Klemmvorrichtung nach den Figuren 3
und 4 ist die Klemmplatte 5 mit einem Elektromagneten 9
verbunden, der durch den Steuerungsimpuls der Jacquardmaschine 4
für die Harnischschnur 3 der zugeordneten Figurschußfadenlitze 2
gesteuert ist.In the embodiment of the clamping device according to FIGS. 3
and 4 is the
Die vorgeschlagene Lösung hat den Vorteil, daß dann, wenn die
Figurschußfadenlitze 2 über die zugeordnete Harnischschnur 3
durch die Jacquardmaschine betätigt wird, gleichzeitig auch die
Klemmvorrichtung betätigt wird und freigegeben wird, so daß der
Figurschußfaden 1 ungehindert ohne die Fadenspannung zu verändern
in das Gewebe eintreten kann. Dies ist nicht nur für einen
Eintragsschuß möglich, sondern auch für mehrere Schußeintragungen
hintereinander. Da die Steuerung der erfindungsgemäßen
Klemmvorrichtung unabhängig von der Fadenspannungsveränderung des
Figurschußfadens 1 ist, bleibt die vorgegebene Fadenspannung
stets gleich, so daß ein gleichmäßiger Gewebeaufbau, insbesondere
der Kanten, gewährleistet ist.The proposed solution has the advantage that if the
Figure weft
Claims (4)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19821028A DE19821028C1 (en) | 1998-05-11 | 1998-05-11 | Clamp for the patterning wefts at a Jacquard loom |
| DE19821028 | 1998-05-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0957190A1 true EP0957190A1 (en) | 1999-11-17 |
| EP0957190B1 EP0957190B1 (en) | 2002-11-13 |
Family
ID=7867379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99104558A Expired - Lifetime EP0957190B1 (en) | 1998-05-11 | 1999-03-08 | Thread clamping device, more especially for the patterning weft in Jacquard looms |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6109307A (en) |
| EP (1) | EP0957190B1 (en) |
| JP (1) | JPH11335940A (en) |
| CN (1) | CN1131903C (en) |
| DE (1) | DE19821028C1 (en) |
| ES (1) | ES2186265T3 (en) |
| HK (1) | HK1021212A1 (en) |
| TW (1) | TW420735B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10203068A1 (en) * | 2002-01-26 | 2003-08-07 | Mageba Textilmaschinen Vertrie | Loom with a warp beam |
| CN102296412A (en) * | 2011-07-19 | 2011-12-28 | 吴江市荣润纺织品有限公司 | Yarn traction mechanism |
| CN111268866A (en) * | 2020-03-12 | 2020-06-12 | 淮安信息职业技术学院 | Hydraulic loom based on thing networking |
| CN111332876A (en) * | 2020-03-18 | 2020-06-26 | 重庆泰山电缆有限公司 | Self-rebounding clamping device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4256149A (en) * | 1979-04-09 | 1981-03-17 | M. Lowenstein & Sons, Inc. | Electromechanical filling indicator for pattern-controlled weaving loom |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7346075U (en) * | 1974-05-02 | Rueti Te Strake Bv | Twine clamp | |
| US3050088A (en) * | 1960-08-18 | 1962-08-21 | C A Delius & Sohne | Weft tensioning and inserting device for gripper shuttle looms |
| DE3301931C2 (en) * | 1982-10-26 | 1986-08-28 | Textilma Ag, Hergiswil | Single strand control device for a loom with a shedding device |
-
1998
- 1998-05-11 DE DE19821028A patent/DE19821028C1/en not_active Expired - Fee Related
-
1999
- 1999-03-05 TW TW088103354A patent/TW420735B/en not_active IP Right Cessation
- 1999-03-08 ES ES99104558T patent/ES2186265T3/en not_active Expired - Lifetime
- 1999-03-08 EP EP99104558A patent/EP0957190B1/en not_active Expired - Lifetime
- 1999-04-02 CN CN99104788A patent/CN1131903C/en not_active Expired - Fee Related
- 1999-05-07 US US09/306,867 patent/US6109307A/en not_active Expired - Fee Related
- 1999-05-10 JP JP11129143A patent/JPH11335940A/en active Pending
- 1999-12-07 HK HK99105698A patent/HK1021212A1/en not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4256149A (en) * | 1979-04-09 | 1981-03-17 | M. Lowenstein & Sons, Inc. | Electromechanical filling indicator for pattern-controlled weaving loom |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1021212A1 (en) | 2000-06-02 |
| JPH11335940A (en) | 1999-12-07 |
| DE19821028C1 (en) | 1999-08-19 |
| ES2186265T3 (en) | 2003-05-01 |
| US6109307A (en) | 2000-08-29 |
| CN1131903C (en) | 2003-12-24 |
| EP0957190B1 (en) | 2002-11-13 |
| TW420735B (en) | 2001-02-01 |
| CN1235213A (en) | 1999-11-17 |
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