EP1033427B1 - Verstellbare Gewebestütze für Webmaschinen - Google Patents
Verstellbare Gewebestütze für Webmaschinen Download PDFInfo
- Publication number
- EP1033427B1 EP1033427B1 EP00103814A EP00103814A EP1033427B1 EP 1033427 B1 EP1033427 B1 EP 1033427B1 EP 00103814 A EP00103814 A EP 00103814A EP 00103814 A EP00103814 A EP 00103814A EP 1033427 B1 EP1033427 B1 EP 1033427B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fabric support
- fabric
- support according
- guide
- base element
- 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
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
- D03J1/00—Auxiliary apparatus combined with or associated with looms
- D03J1/22—Temples
- D03J1/223—Temples acting on the full width of cloth
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D49/00—Details or constructional features not specially adapted for looms of a particular type
- D03D49/04—Control of the tension in warp or cloth
- D03D49/22—Back rests; Lease rods; Brest beams
Definitions
- the present invention relates to a fabric support for weaving looms.
- it relates to an improved fabric support which allows easy adjustment of the geometrical form of the warp shed.
- adjustment of the warp shed - which is determined also depending on the transverse dimension of the weft-carrying gripper - may be achieved by adjusting the positions of the fabric support and the yarn carriers which, in turn, affect a series of subsequent adjustments (position of the templates, the cutters, the insertion device, the guide hooks of the grippers, etc.): therefore, the convergence towards the optimum operating parameters is somewhat laborious.
- a fabric support according to the preamble of claim 1 is known from EP-A-0 292 429.
- the fabric support comprises a so-called bracket plate 1, which is located underneath templates 4, and a base portion 2, which is fixed by means of rectilinear guides to the fixed frame 3 of the weaving loom.
- the correct tensioning of the fabric is determined, among other things, by the relative distance of the fabric support and the templates.
- each template 4 exerts a certain pressure on the fabric, against the support action of a lip 1a of the bracket plate 1 and a fabric deviating device 5: it is therefore obvious that the distance between the template 4 and the bracket plate 1 determines the degree of pressure exerted on the fabric and therefore defines one of the operating parameters.
- the object of the present invention is to solve the problems associated with adjustment of these components by providing a fabric support which, on the one hand, allows simplification of the operation involving adjustment of the geometrical form of the warp shed and, on the other hand, may be displaced without affecting significantly the relationship between its own working position and that of the templates, the reed and the guide hooks.
- a fabric support device for weaving looms - of the type comprising a fabric supporting lip designed to co-operate with a template for tensioning the fabric - which is mounted in an adjustable manner on a base element by means of a "rotoidal" guide which allows adjustment thereof according to a rotational displacement.
- Fig. 1 shows a side elevation view, with parts removed, of the zone for forming the fabric in a loom using a fabric support of the prior art
- Fig. 2 is a perspective sectional view of a fabric support according to the invention.
- Fig. 3A is a schematic perspective view of the zone of the fabric support in a weaving loom according to the invention.
- Figs. 3B and 3C are schematic side elevation views which illustrate the interaction between the fabric support according to the invention, a template, the reed and one of the guide hooks;
- Figs. 4A-4C are side elevation views, with parts removed, which illustrate the interaction between the reed, one of the guide hooks and the fabric support according to the invention, for different positions assumed by the latter.
- the fabric support is composed, in a manner known per se, of a bracket plate 1 and a root portion 2 joined, in an adjustable manner, to the weaving loom (not shown).
- the bracket plate 1, together with the root portion 2, preferably consist of a profiled section which is slightly curved in the transverse direction and extends over the whole width of the loom and which has a longitudinal lip 1a, gently filleted, intended to support the fabric T supplied from the weaving zone.
- Each end of the loom is provided with templates 4 - not described in detail here since they are widely known to persons skilled in the art - which are arranged with their longitudinal axis according to the width of the loom and which are designed to keep the fabric extended along its width by exerting a certain pressure thereon.
- the fabric support is mounted on a support base 30 by means of a rotoidal adjusting guide 6.
- rotoidal guide is intended to indicate a guide which is apt to allow a rotational movement of the fabric support about a suitably located axis of rotation.
- the root portion 2 of the fabric support has a surface of revolution which is engaged with a corresponding surface of revolution of the support base 30.
- the root portion 2 and the support base 30 are then joined and locked together by means of fixing means, for example by means of bolts 7 which are inserted into eyelets 8 correspondingly formed on the root portion 2 or on the support base 30, preferably in the support base 30.
- the axis of rotation defined by the rotoidal guide 6 coincides with the eccentric axis of rotation 4a of the template 4.
- Sliding in the rotoidal guide 6 may be accomplished according to separate and well-defined positions or may be allowed with continuity.
- reference notches are provided on one or both the surfaces of revolution of the rotoidal guide 6, apt to allow easy visual adjustment by the operator.
- the fabric deviating device 5 may be formed integral with the fabric support or may be fixed to the latter by means of suitable joining means which may be adjustable. Preferably the fabric deviating device 5 is fixed, in an adjustable manner, to the support base 30, as can be seen in Figs. 3A-3C.
- the displacement of the fabric support does not modify substantially the relative position of the bracket plate 1 with respect to the template 4 and the guide hooks 10, advantageously being inserted between these two components and the reed 9. Therefore, in most of the adjustments, no modification of the position of the template 4 is required.
- the distance between the lip 1a and the reed 9 of the loom which is indicated by X 1 and X 2 in Figs. 3B and 3C, respectively, varies in an absolutely negligible manner for small angular displacements of the fabric support (as occurs with most of the adjustments).
- the rotoidal guide allows adjustment of the fabric support to be performed independently of that of the templates 4 and the guide hooks 10, making it much simpler to achieve convergence towards the desired geometry.
- the rotoidal guide allows the desired adjustment of the fabric support to be performed without significant changes occurring in the distance from the lip of the breast-plate with respect to the reed of the loom.
- fixing means may vary widely, but are all within the technical competence of persons skilled in the art.
- the rotoidal guide has been shown in a basic and simple configuration, but could assume different forms (for example a helical connection between the root element and a translatable actuating member) and could be provided with other means which make it easier to be operated (for example, guide ribs, sliding or rolling bearings, other reference and locating members), without thereby departing from the scope of protection of the invention.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
- Woven Fabrics (AREA)
Claims (9)
- Gewebestütze für Webmaschinen von der Art mit einem Hauptkörper (2) und einer Lippe (1a), die das Gewebe (4) stützt, die sich über die gesamte Breite der Webmaschine erstreckt und dazu eingerichtet ist, mit einer Spanneinrichtung (4) zum Spannen des Gewebes an beiden Enden der Webmaschine zusammen zu wirken, und einem Basiselement (30), an dem der Hauptkörper (2) befestigt ist, dadurch gekennzeichnet, dass der Hauptkörper (2) in einer einstellbaren Weise an dem Basiselement (30) mittels einer rotoidalen Führung (6) befestigt ist, die die Einstellung entsprechend einer rotationalen Verlagerung erlaubt.
- Gewebestütze nach Anspruch 1, wobei die rotationale Verlagerung um eine Drehachse erfolgt, die in einer Position angeordnet ist, die der Drehachse (4a) der Spanneinrichtung (4) entspricht.
- Gewebestütze nach Anspruch 1 und Anspruch 2, wobei die rotoidale Führung (2) Eingriffsflächen für die Drehung aufweist, wovon die eine in der Gewebestütze und die andere an dem Basiselement (30) befestigt ist.
- Gewebestütze nach Anspruch 3, wobei die rotoidale Führung mittels justierbarer Fixiermittel (7, 8) verriegelbar ist.
- Gewebestütze nach Anspruch 4, wobei die einstellbaren Fixationsmittel Bolzen (7) sind, die in Augen (8) eingesetzt sind, die an der Gewebestütze oder an dem Basiselement (30) ausgebildet sind.
- Gewebestütze nach Anspruch 5, wobei das Verriegelungsende der Bolzen in einer hinterschnittenen Fläche in dem Hauptkörper (2) mit der Gewebestütze in Eingriff ist.
- Gewebestütze nach einem der vorangehenden Ansprüche, wobei auf der Gewebestütze oder dem Basiselement Bezugskerben vorgesehen sind, die dazu geeignet sind, die Relativposition anzuzeigen.
- Gewebestütze nach einem der vorangehenden Ansprüche, wobei das Basiselement (30) fest mit dem Rahmen der Webmaschine verbunden ist.
- Webmaschine mit einer Webstütze nach einem der vorangehenden Ansprüche.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI990372 | 1999-02-24 | ||
IT1999MI000372A IT1308631B1 (it) | 1999-02-24 | 1999-02-24 | Sostegno tessuto regolabile per telai di tessitura. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1033427A1 EP1033427A1 (de) | 2000-09-06 |
EP1033427B1 true EP1033427B1 (de) | 2006-09-13 |
Family
ID=11382022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00103814A Expired - Lifetime EP1033427B1 (de) | 1999-02-24 | 2000-02-23 | Verstellbare Gewebestütze für Webmaschinen |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1033427B1 (de) |
AT (1) | ATE339536T1 (de) |
DE (1) | DE60030609T2 (de) |
ES (1) | ES2267424T3 (de) |
IT (1) | IT1308631B1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101405447B (zh) * | 2006-09-13 | 2011-11-02 | 必佳乐有限公司 | 用于织机的织物支架和设置有织物支架的织机 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110284245B (zh) * | 2019-06-25 | 2020-10-09 | 北京航空工艺地毯有限公司 | 提花织布机用纱线张紧机构 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7001832A (de) * | 1969-02-11 | 1970-08-13 | ||
EP0292429A1 (de) * | 1987-05-19 | 1988-11-23 | GebràDer Sulzer Aktiengesellschaft | Webmaschine mit einer Einrichtung zum Breitspannen des Gewebes |
DE4205514C2 (de) * | 1992-02-24 | 1996-01-11 | Dornier Gmbh Lindauer | Umrüstbarer muldenförmiger Breithaltertisch für Luftdüsenwebmaschinen |
-
1999
- 1999-02-24 IT IT1999MI000372A patent/IT1308631B1/it active
-
2000
- 2000-02-23 AT AT00103814T patent/ATE339536T1/de not_active IP Right Cessation
- 2000-02-23 DE DE60030609T patent/DE60030609T2/de not_active Expired - Lifetime
- 2000-02-23 EP EP00103814A patent/EP1033427B1/de not_active Expired - Lifetime
- 2000-02-23 ES ES00103814T patent/ES2267424T3/es not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101405447B (zh) * | 2006-09-13 | 2011-11-02 | 必佳乐有限公司 | 用于织机的织物支架和设置有织物支架的织机 |
Also Published As
Publication number | Publication date |
---|---|
ITMI990372A1 (it) | 2000-08-24 |
DE60030609T2 (de) | 2007-09-13 |
DE60030609D1 (de) | 2006-10-26 |
ES2267424T3 (es) | 2007-03-16 |
IT1308631B1 (it) | 2002-01-09 |
EP1033427A1 (de) | 2000-09-06 |
ATE339536T1 (de) | 2006-10-15 |
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