EP0306078A1 - Geweberandbildungsvorrichtung an einer Webmaschine - Google Patents

Geweberandbildungsvorrichtung an einer Webmaschine Download PDF

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Publication number
EP0306078A1
EP0306078A1 EP88201780A EP88201780A EP0306078A1 EP 0306078 A1 EP0306078 A1 EP 0306078A1 EP 88201780 A EP88201780 A EP 88201780A EP 88201780 A EP88201780 A EP 88201780A EP 0306078 A1 EP0306078 A1 EP 0306078A1
Authority
EP
European Patent Office
Prior art keywords
guide elements
wire guide
rotating body
pivots
compressed air
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.)
Withdrawn
Application number
EP88201780A
Other languages
English (en)
French (fr)
Inventor
Henry Shaw
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.)
Picanol NV
Original Assignee
Picanol NV
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 Picanol NV filed Critical Picanol NV
Publication of EP0306078A1 publication Critical patent/EP0306078A1/de
Withdrawn legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C7/00—Leno or similar shedding mechanisms
    • D03C7/06—Mechanisms having eyed needles for moving warp threads from side to side of other warp threads
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C7/00—Leno or similar shedding mechanisms
    • D03C7/08—Devices for twisting warp threads repeatedly in the same direction

Definitions

  • the present invention relates to a device for forming an edge of a fabric during its manufacture on a weaving machine. More particularly, the invention relates to a device of this type intended for the formation of a selvedge by means of two tower threads or gauze threads.
  • selvedge formation devices such as those described in particular in patent applications or patents JP 53-90667, JP 61-83343, JP 60-24211, FR 2,282,007, FR 2,390,524, GB 540.037, US 3,698,441, DE 1,535,579 and CH 654.038.
  • the present invention relates to a selvedge forming device which offers the specific advantages of being of simple construction, of having a reduced bulk and of being able to be mounted so as to occupy different positions with respect to the chain.
  • the device according to the invention mainly consists of a rotating body capable of pivoting about an axis; at least two wire guide elements, one of the ends of which is fixed to this rotating body by a pivoting connection and capable of rotating about axes which, on the one hand, form an angle with respect to the wire guide elements and, on the other hand, make an angle with respect to the axis of the rotating body; means for guiding the wire guide elements along a determined path and, finally, means for driving the rotating body.
  • the device 1 mainly consists of a rotating body 3 capable of pivoting about an axis 2; at least two wire guide elements 4 and 5, one of the ends of which, 6 or 7 respectively, is fixed to the body 3 by a pivoting connection and capable of rotating around the axes 8 and 9 which, on the one hand, form a angle A with respect to the wire guide elements 4 and 5 and, on the other hand, are arranged at a certain angle, here the angle B, with respect to the axis 2; means 10 for guiding the yarn guide elements 4 and 5 along a determined path and, finally, means 12 for driving the rotating body 3.
  • the means 12 can be of any kind, they are simply represented by a arrow in the schematic views of figures 1 and 2.
  • Figures 1 and 2 limit to a simple diagram the representation of a body 3, which mainly consists of a central part 13 flanked by guide sleeves 14 and 15 mounted in opposition and intended for fixing the elements wire guide 4 and 5.
  • An essential characteristic of this embodiment lies in the fact that the axes 8 and 9, as well as the axis 2 of the body 3, have a common point of intersection 16 and are located in a same plan 17.
  • the wire guide elements 4 and 5 mainly consist of needles 18 and 19, the free ends 20 and 21 of which are provided with wire guide eyelets 22 and 23 intended for guiding the tower wires 24 and 25, respectively.
  • the needles 18 and 19 are attached by a fixed connection to the pivots 26 and 27 arranged at the angles A mentioned above.
  • the pivots 26 and 27 fit into the guide sleeves 14 and 15 and are fixed to these by a pivoting connection.
  • the means 10 for guiding the wire guide elements 4 and 5 along a determined path 11 mainly consist of a slide 28 forming a circuit, surrounded by an outer part 29 and an inner part 30. According to a variant of this embodiment, the guidance of elements 4 and 5 is provided exclusively by the external part 29.
  • the turn wires 24 and 25 used to produce an edge crossing 31 known elsewhere, are supplied along paths parallel to the needles 18 and 19.
  • the pivots 26 and 27 will be hollow, so that they can be used channel for routing the tower wires 24 and 25.
  • the body 3 performs a rotational movement, it will of course be careful to provide the means necessary to prevent the tower wires 24 and 25 from becoming tangled in their path supply.
  • a rotational movement imposed on the body 3 prints the movements V and W on the wire guide elements 4 and 5.
  • the movements along the path 11 are the result, on the one hand, of the forced displacement of the wire guide elements 4 and 5 in because of the arrangement of the pivots 26 and 27 in the body 3 and, on the other hand, of the guiding of the needles 18 and 19 in the slide 28.
  • FIG. 3 represents a concrete embodiment of the device illustrated in FIGS. 1 and 2.
  • the body 3 is composed of a cylinder capable of pivoting around the axis 2 and fixed, for example, by a pivoting connection in a fixed support 32.
  • the guide sleeves 14 and 15 consist of bores made in the body 3 in the required angular directions.
  • the outer part 29 of the means 10 for guiding the wire guide elements 4 and 5 is held in place by a fixed link 33.
  • the inner part 30 is held by a fixed rod 34 placed between the guide elements - wire 4 and 5. This rod extends to pass through the body 3 through the middle and is fixed, beyond the body 3, to a support or a fixed point 35, the whole being arranged in such a way that the rod 34 does not obstruct the movement of the wire guide elements 4 and 5.
  • the means 12 intended to drive the rotating body 3 can interact directly with the cylinder or rotating body 3, for example by means of a pinion 36 or a similar driving member.
  • the drive can, for example, be controlled by a motor 37 suitably controlled, or alternatively by a control mechanism or device coupled to the drive of the weaving machine.
  • Figure 4 gives another alternative embodiment mainly characterized by the fact that the axis 2 of the body 3 and the axes 8 and 9 of the wire guide elements 4 and 5 are located in three parallel planes 39, 40 and 41, according to a configuration such that, on the one hand, the orthogonal projections of the axes 8 and 9 on the plane 39 including the axis 2 form the angle B mentioned above and that, on the other hand, the axes 8 and 9 guide elements -wire 4 and 5 are arranged symmetrically with respect to axis 2. It will be noted that this last characteristic also applies to the embodiment described above.
  • FIG. 4 The operation of the device according to FIG. 4 is similar to that illustrated in FIGS. 1 to 3.
  • FIG. 5 represents a concrete embodiment of the device illustrated in FIG. 4.
  • the rotating body 3 consists of a cylinder retained by a rotary connection, for example ball bearings 42 or any other similar connection, in a fixed support 32, formed for example of a cylindrical housing.
  • the means 12 intended for driving the rotating body 3 are constituted in FIG. 5 by a suitable driving element, for example a pinion or an endless screw 43 forming a gear with a toothing 44 located on the external wall of the body 3.
  • a suitable driving element for example a pinion or an endless screw 43 forming a gear with a toothing 44 located on the external wall of the body 3.
  • the drive means 12 of the rotating body 3 are constituted by the fact that the body 3 and the support 32 mentioned above are executed so as to form the stator and the rotor of a motor electric and arranged so as to be able to interact, the speed of this electric motor obviously having to be synchronized with the pace of the weaving cycles.
  • the assembly of FIG. 5 offers the advantage that the extension of the pivots 26 and 27 can serve as a support for the supply coils 45 and 46, which can rotate freely on these pivots 26 and 27.
  • these can be used to route the unwound threads from the feed reels 45 and 46 respectively, after which the threads will be led to the thread guide eyelets as illustrated in FIG. 5.
  • the needles 18 and 19 mentioned above consist of nozzles giving onto the pivots 26 and 27, so as to ensure complete guidance of the turn wires along their path in the device, the tower wires 24 and 25 leaving the nozzles at the ends 20 and 21.
  • the needles and the pivots placed in the extension of one another will preferably be produced in a nozzle bent at the angle A. In this way, there are two continuous channels for guiding the wires, making it possible to thread the device by automatic means, exclusively pneumatic.
  • the installation 1 is equipped with a pneumatic threading device 51 which mainly consists of compressed air channels 52 shaped as a nozzle and capable of interacting with the hollow pivots 26 and 27; more particularly, these compressed air channels open into the pivots 26 and 27 so as to create there an air flow flowing in the direction of movement of the tower wires 24 and 25, which gives rise to an effect of suction at the level of the inputs 47 and 48.
  • a pneumatic threading device 51 which mainly consists of compressed air channels 52 shaped as a nozzle and capable of interacting with the hollow pivots 26 and 27; more particularly, these compressed air channels open into the pivots 26 and 27 so as to create there an air flow flowing in the direction of movement of the tower wires 24 and 25, which gives rise to an effect of suction at the level of the inputs 47 and 48.
  • the threading device 51 By the action of the threading device 51, the wires presented at the inputs 47 and 48 are sucked into the hollow pivots 26 and 27 and are driven therein pneumatically.
  • the son are
  • the compressed air channels 52 are integrated into the body 3 and open into the guide bores or sleeves 14 and 15. At the outlet of the channels, the hollow pivots 26 and 27 each have at least one orifice 53 allowing the passage of compressed air . Furthermore, the compressed air channels 52 communicate with a supply of compressed air 54 by the space between the body 3 and the housing 32, by a compressed air line giving into the housing 32 and by a valve 56, automatic or not, allowing manual control. Of course, this device is provided with the seals 57 necessary to avoid and / or reduce the pressure drops.
  • the height H over which the thread guide eyelets 22 and 23 move is a function of the value chosen for the angle B as well as the length of the needles 18 and 19.
  • the angle A its value in most cases will be 90 ° or a few degrees higher. Indeed, by taking the angle A too small, there is a risk of creating interference between the needles 18-19 and the pivots 26-27.
  • the present invention is also susceptible of variant embodiments in which, contrary to the preceding descriptions, the axis 2 and the axes 8 and 9 do not have a common point of intersection 16 or in which these axes are not located in three parallel planes 39, 40 and 41.
  • provision will however be made for the axes 8 and 9 of the wire guide elements to be arranged symmetrically with respect to the axis 2 of the body 3.
  • FIG. 6 represents a partial schematic view of a weaving machine provided with the device 1 according to the invention.
  • the figure gives a top view of part of the chain 58 and of the fabric 59. It also illustrates the chain breaker 60 provided with its strips 61, the frames 62 and the comb 63.
  • the device 1 is mounted essentially parallel to the chain 58, so that the wire guide elements 4 and 5 pass through the frames 62, while the means 10 intended for guide the wire guide elements 4 and 5 along a determined path are mounted between the frames 62 for example.
  • FIG. 6 gives in dotted lines a second variant of mounting the device 1, the latter then being placed obliquely or transversely with respect to the chain 58, in such a way that the ends 20 and 21 are close to the edge of the chain 64.
  • the device 1 When the device 1 is mounted obliquely or transversely to the chain 58, the device 1 can be installed either between the frames 62 and the comb 63, or between the frames 62 and the chain breaker 60. This mounting offers the important advantage of excellent accessibility of the device, for example for threading, cleaning and maintenance.
  • the mounting of the device 1 will preferably be chosen such that the line 65, connecting on the one hand the medium 66 of the line 67 between the two thread guide eyelets 22 and 23 when these are in their extreme positions, and on the other hand the theoretical center of rotation 68, ie located in the crossing plane 69 of the chain 58.
  • crossing plane is meant here the plane in which the warp threads are found when the crowd is closed.
  • Line 65 is represented in FIGS. 1, 5 and 6.
  • the assembly which has just been described applies both to devices 1 placed parallel to the warp threads and to those placed transversely to the chain. This arrangement has the advantage that an optimally low value can be chosen for the length of the travel of the wire guide elements 4 and 5 and that the friction of the wires 24 and 25 in the eyelets 22 and 23 will be minimal, which limits wire wear and breakage.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP88201780A 1987-09-02 1988-08-23 Geweberandbildungsvorrichtung an einer Webmaschine Withdrawn EP0306078A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE8700986 1987-09-02
BE8700986A BE1000902A4 (nl) 1987-09-02 1987-09-02 Inrichting voor het vormen van een zelfkant aan een weefsel bij weefmachines

Publications (1)

Publication Number Publication Date
EP0306078A1 true EP0306078A1 (de) 1989-03-08

Family

ID=3882840

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88201780A Withdrawn EP0306078A1 (de) 1987-09-02 1988-08-23 Geweberandbildungsvorrichtung an einer Webmaschine

Country Status (2)

Country Link
EP (1) EP0306078A1 (de)
BE (1) BE1000902A4 (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1005896A3 (fr) * 1991-12-16 1994-03-01 Kloecker Entwicklungs Gmbh Dispositif de formation d'une lisiere de gaze entraine independamment du mouvement du metier a tisser.
WO1996038608A1 (de) * 1995-05-29 1996-12-05 Picanol N.V. Kanteneinrichtung für eine webmaschine
WO1997024479A1 (de) * 1995-12-28 1997-07-10 Klöcker-Entwicklungs-Gmbh Vorrichtung zum bilden einer dreherkante, insbesondere für schützenlose webmaschinen
EP0674032B1 (de) * 1994-02-23 1998-06-10 Lindauer Dornier Gesellschaft M.B.H Rotations-Kantendreher für Webmaschinen
EP0674031B2 (de) † 1994-02-23 2004-04-21 Lindauer Dornier Gesellschaft M.B.H Rotations-Kantendreher für Webmaschinen
WO2004074563A1 (de) * 2003-02-19 2004-09-02 Picanol N.V. Vorrichtung zum bilden einer dreherbindung für eine webmaschine
WO2004083506A3 (en) * 2003-03-18 2004-11-18 Picanol Nv Device for forming a selvedge on a fabric
CN101906694A (zh) * 2010-08-26 2010-12-08 广东丰凯机械股份有限公司 织机绞边装置
CN103643388A (zh) * 2013-12-07 2014-03-19 广东丰凯机械股份有限公司 剑杆绞边器

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB540037A (en) * 1940-12-03 1941-10-02 Cecil Henry Baddeley Improvements relating to textile looms
DE1535579B1 (de) * 1965-07-16 1970-06-25 Nissan Motor Drehervorrichtung zum Bilden von Kanten an Webmaschinen,die aus einem feststehenden Sonnenrad und zwei in dieses eingreifenden Planetenraedern besteht,welche mit diesen umlaufende Fadenspulen und Fadenfuehrungsoesen tragen
US3698441A (en) * 1970-06-19 1972-10-17 Strake Maschf Nv Device for forming a selvage
FR2282007A1 (fr) * 1974-08-12 1976-03-12 Elitex Zavody Textilniho Entrelaceur rotatif de fils de gaze
FR2346478A1 (fr) * 1976-03-29 1977-10-28 Nissan Motor Appareil pour retirer les peluches d'un dispositif d'alimentation de fil de lisiere dans un metier a tisser
JPS5390667U (de) * 1976-12-24 1978-07-25
FR2390524A1 (fr) * 1977-05-13 1978-12-08 Rueti Ag Maschf Dispositif servant a former un lisere de gaze sur les metiers a tisser
CH630673A5 (en) * 1978-07-20 1982-06-30 Nissan Motor Apparatus for forming a fabric edge on shuttleless looms
US4412562A (en) * 1980-10-15 1983-11-01 Kabushiki Kaisha Toyoda Jidoshokki Apparatus for forming selvages in weaving machines
JPS6024211B2 (ja) * 1980-04-10 1985-06-12 日産自動車株式会社 織機の耳糸張力調整装置
JPS6183343A (ja) * 1984-09-26 1986-04-26 株式会社　石川製作所 無杼織機における搦み耳形成装置

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB540037A (en) * 1940-12-03 1941-10-02 Cecil Henry Baddeley Improvements relating to textile looms
DE1535579B1 (de) * 1965-07-16 1970-06-25 Nissan Motor Drehervorrichtung zum Bilden von Kanten an Webmaschinen,die aus einem feststehenden Sonnenrad und zwei in dieses eingreifenden Planetenraedern besteht,welche mit diesen umlaufende Fadenspulen und Fadenfuehrungsoesen tragen
US3698441A (en) * 1970-06-19 1972-10-17 Strake Maschf Nv Device for forming a selvage
FR2282007A1 (fr) * 1974-08-12 1976-03-12 Elitex Zavody Textilniho Entrelaceur rotatif de fils de gaze
FR2346478A1 (fr) * 1976-03-29 1977-10-28 Nissan Motor Appareil pour retirer les peluches d'un dispositif d'alimentation de fil de lisiere dans un metier a tisser
JPS5390667U (de) * 1976-12-24 1978-07-25
FR2390524A1 (fr) * 1977-05-13 1978-12-08 Rueti Ag Maschf Dispositif servant a former un lisere de gaze sur les metiers a tisser
CH630673A5 (en) * 1978-07-20 1982-06-30 Nissan Motor Apparatus for forming a fabric edge on shuttleless looms
JPS6024211B2 (ja) * 1980-04-10 1985-06-12 日産自動車株式会社 織機の耳糸張力調整装置
US4412562A (en) * 1980-10-15 1983-11-01 Kabushiki Kaisha Toyoda Jidoshokki Apparatus for forming selvages in weaving machines
JPS6183343A (ja) * 1984-09-26 1986-04-26 株式会社　石川製作所 無杼織機における搦み耳形成装置

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1005896A3 (fr) * 1991-12-16 1994-03-01 Kloecker Entwicklungs Gmbh Dispositif de formation d'une lisiere de gaze entraine independamment du mouvement du metier a tisser.
EP0674031B2 (de) † 1994-02-23 2004-04-21 Lindauer Dornier Gesellschaft M.B.H Rotations-Kantendreher für Webmaschinen
EP0674032B1 (de) * 1994-02-23 1998-06-10 Lindauer Dornier Gesellschaft M.B.H Rotations-Kantendreher für Webmaschinen
WO1996038608A1 (de) * 1995-05-29 1996-12-05 Picanol N.V. Kanteneinrichtung für eine webmaschine
US5803133A (en) * 1995-05-29 1998-09-08 Picanol N.V. Selvage-forming device for a power loom
CN1043258C (zh) * 1995-05-29 1999-05-05 皮克诺尔公司 织机用的织边装置
US5996646A (en) * 1995-12-28 1999-12-07 Klocker Entwicklungs Gmbh Device for producing a leno selvedge, in particular for shuttleless looms
WO1997024479A1 (de) * 1995-12-28 1997-07-10 Klöcker-Entwicklungs-Gmbh Vorrichtung zum bilden einer dreherkante, insbesondere für schützenlose webmaschinen
WO2004074563A1 (de) * 2003-02-19 2004-09-02 Picanol N.V. Vorrichtung zum bilden einer dreherbindung für eine webmaschine
BE1015369A3 (nl) * 2003-02-19 2005-02-01 Picanol Nv Inrichting voor het vormen van een leno-binding bij een weefmachine.
WO2004083506A3 (en) * 2003-03-18 2004-11-18 Picanol Nv Device for forming a selvedge on a fabric
CN101906694A (zh) * 2010-08-26 2010-12-08 广东丰凯机械股份有限公司 织机绞边装置
CN103643388A (zh) * 2013-12-07 2014-03-19 广东丰凯机械股份有限公司 剑杆绞边器

Also Published As

Publication number Publication date
BE1000902A4 (nl) 1989-05-09

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