EP0133153B1 - Vorrichtung zur Befestigung eines Hilfsorgans an das Riet einer schützenlosen Webmaschine - Google Patents

Vorrichtung zur Befestigung eines Hilfsorgans an das Riet einer schützenlosen Webmaschine Download PDF

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Publication number
EP0133153B1
EP0133153B1 EP84810230A EP84810230A EP0133153B1 EP 0133153 B1 EP0133153 B1 EP 0133153B1 EP 84810230 A EP84810230 A EP 84810230A EP 84810230 A EP84810230 A EP 84810230A EP 0133153 B1 EP0133153 B1 EP 0133153B1
Authority
EP
European Patent Office
Prior art keywords
reed
bolt
pin
weft
aperture
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
Application number
EP84810230A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0133153A1 (de
Inventor
Hubertus Henricus Aarts
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.)
Sulzer AG
Original Assignee
Rueti Te Strake BV
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 Rueti Te Strake BV filed Critical Rueti Te Strake BV
Publication of EP0133153A1 publication Critical patent/EP0133153A1/de
Application granted granted Critical
Publication of EP0133153B1 publication Critical patent/EP0133153B1/de
Expired legal-status Critical Current

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Classifications

    • 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
    • D03D49/60—Construction or operation of slay
    • D03D49/62—Reeds mounted on slay
    • 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
    • D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
    • D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
    • D03D47/3066—Control or handling of the weft at or after arrival
    • D03D47/308—Stretching or holding the weft
    • 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

Definitions

  • the invention relates to a device for fastening an auxiliary member, adjustable in the weft direction, to the reed of a defenseless weaving machine.
  • Protective weaving loom means in particular a weaving machine of the type in which there is a conveyor tunnel for measured weft pieces on the reed, with a blowing nozzle for inserting the weft pieces at one end of the shed and as an auxiliary organ near the other end of the shed a device working with an air stream for catching and stretching the inserted weft pieces or a device for perceiving the inserted weft threads or a combination of such devices is provided, which device has a collecting channel adjoining the effective part of the conveying channel and is adjustable in the weft direction against the stop side the reed is attached.
  • Such a weaving machine is used in cases in which cloths of different widths are to be weavable on the machine. This means that the reed on the side facing away from the weft conveyor protrudes over a variable length outside the edge of the cloth and that only the part of the conveyor tunnel lying within the cloth width is used effectively.
  • the device for extension and / or perception is now attached to the protruding reed part.
  • Examples of known weaving machines of this type are, for example, those according to the American patents 3,880,198 and 3,901,286.
  • the slidable attachment to the reed is achieved by means of a fastening clip which in one case engages on the reed beam and in the other case on the upper edge of the reed.
  • the invention aims to improve the attachment of the auxiliary member to the reed, which is in particular better adapted to the inertia forces occurring during the reed stop movements.
  • the auxiliary member has at least one flange which projects between two adjacent reed slats on the rear side of the reed, the flange part projecting on the rear side of the reed having an opening for inserting a locking element of the toggle type.
  • the locking element is formed by a bolt, of which a central part engaging with the projecting flange part lies a little eccentrically with respect to the two end parts of the bolt.
  • removable and fixable support blocks flattened at least on one side, are provided on the bolt ends.
  • This design has the advantage that when the stretching device is tightened by rotating the bolt, the bolt ends acting as toggle cams do not come into direct contact with the reed in accordance with an unfavorable line contact, but rather over the flat side of the reed and thus the separate ones Rietlamellen support blocks little load.
  • the air jet responsible for stretching the weft thread pieces entered in the shed is preferably directed, as is described in the American patent specification 4,096,889.
  • Fig. 1 the reed is designated 1, which can be moved back and forth in the direction of arrow I about an axis of rotation not shown in the drawing between the retracted position shown in the drawing and the stop position.
  • the actual reed is formed in a known manner from a row of reed lamellae 2 arranged side by side in the longitudinal direction of the machine, which are enclosed at the bottom in the reed beam 3 and inserted into a reed rail 4 at the top.
  • the shed is designated, which of the upper chain 6, the lower chain 7 and the Rietlamellen 2 is limited.
  • the already woven cloth is denoted by 8, while 9 denotes the stop line, along which the reed strikes a weft thread inserted into the shed each time in its effective stop position.
  • the entry of a measured piece of weft is done by means of a blowing nozzle 10 arranged on one side of the shed.
  • the piece of weft inserted by the air-fed blowing nozzle 10 is actually requested instead of through the tunnel 11, which is delimited by all the recesses in the reed blades 2, which Recesses in the direction of the stop line 9 are open.
  • the advancement of the weft through the shed bezw.
  • Support is provided through the reed tunnel 11, in particular with larger weaving widths, for example by means of intermediate blowing nozzles. which are carried by the reed.
  • These auxiliary blowing nozzles are not shown in the drawing.
  • the stretching device 12 is mounted on the end part of the reed which faces away from the blowing nozzle 10 and which projects outside the edge of the cloth.
  • This stretching device consists of a shaped piece whose side facing the reed is shaped in accordance with the profile of the reed lamellae (see in particular FIG. 2).
  • the shaped piece of the stretching device has a rib 13 which fits tightly in the part of the reed tunnel 11 lying outside the shed.
  • a collecting channel 14 (see FIG. 2) is excluded in the shaped part of the stretching device, which connects to the effective part of the reed tunnel 11 lying within the width of the woven cloth.
  • the passage of the collecting channel 14 gradually decreases in the weft direction from the entrance opening 15 (see FIG. 2), the cross section of which is almost the same size as that of the conveyor tunnel 11.
  • the exit opening of the collecting channel, designated 16 in FIG. 1, has a passage which is only a fraction of the cross section of the Riet tunnel.
  • the flange 17 protrudes beyond the rear of the reed.
  • this projecting part there is an opening 18 in which a locking bolt 19 can be received, the diameter of which corresponds to that of the opening 18.
  • the locking bolt 19 has a central part 19a with a somewhat smaller diameter, which is eccentric with respect to the two end parts 19b. So that the shaped part arranged in the desired position on the stop side of the protruding reed part can now be tightened, after inserting the locking bolt 19, the support blocks designated 20, flattened on one side, are each arranged on a bolt end 19b in such a way that the blocks also lie flat on the back of the reed. Then the bolt 19, while the middle part of it lies in the opening 18 of the flange 17, is rotated such that the bolt ends 19b act as toggle cams within the support blocks 20 and these support blocks firmly on the rear side of the reed. lie on.
  • the stretching device can also be released in a simple manner by means of a rotary movement in the opposite direction and the removal of the support blocks, as well as the removal of the locking bolt.
  • a flange part 21 which also fits between two adjacent reed plates and contributes to a good fixation of the stretching device 12.
  • the stretching device 12 receives its stretching effect from an air jet, which is directed transversely in the vicinity of the outlet opening 15, namely approximately perpendicularly through the collecting channel.
  • a feed channel 22 is provided in the fitting, which can be connected to a compressed air source at 23 and opens into the lower wall of the collecting channel 14 in the vicinity of the exit opening, just opposite the collecting opening of a further mixing tube 24, which under the influence of the inserted weft piece Air jet.
  • this stretching device corresponds to the stretching device according to American Patent 4,096,889.
  • a shot detection device is attached to the part of the reed protruding outside the cloth edge, for example at a point which lies between the cloth edge and the stretching device.
  • the fastening method shown in FIG. 3 differs from that according to FIGS. 1 and 2 in that there are two fastening flanges 17 'inserted between the reed fins. These fastening flanges, of which only one is visible in the cross-sectional drawing according to FIG. 3. are respectively on the front of the reed 1 by means of an upper and a lower connecting web part 25. 26 connected. The distance between the flanges is chosen so that an upper and a lower block 27 or between. 28 of a suitable translucent plastic part fits. In each block 27 resp.
  • the locking bolt 19 'and the parts 20' acting as toggle cams form one piece.
  • the opening 18 ' is designed as a slot open at one end and in such a way that the locking bolt 18' can be inserted from the underside.
  • One end of a flexible element 30 is fastened to the parts 20 'lying eccentrically opposite the locking bolt 18', the other end of which is connected via a spring 31 to an element 32 which hooks over the upper reed rail 4. Under the influence of the spring 31, the flexible element 30 tries to unwind from the eccentric parts 20 ', as a result of which a counterclockwise moment is exerted on these parts, which, as viewed in FIG. 3, moves the flanges 17' to the right and thereby attracts blocks 27 and 28 to the front of the reed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP84810230A 1983-07-11 1984-05-11 Vorrichtung zur Befestigung eines Hilfsorgans an das Riet einer schützenlosen Webmaschine Expired EP0133153B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8302456A NL8302456A (nl) 1983-07-11 1983-07-11 Inrichting ter bevestiging van een hulporgaan aan het riet van een spoelloze weefmachine.
NL8302456 1983-07-11

Publications (2)

Publication Number Publication Date
EP0133153A1 EP0133153A1 (de) 1985-02-13
EP0133153B1 true EP0133153B1 (de) 1986-11-12

Family

ID=19842138

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84810230A Expired EP0133153B1 (de) 1983-07-11 1984-05-11 Vorrichtung zur Befestigung eines Hilfsorgans an das Riet einer schützenlosen Webmaschine

Country Status (5)

Country Link
US (1) US4601313A (2)
EP (1) EP0133153B1 (2)
JP (1) JPS6039449A (2)
DE (1) DE3461309D1 (2)
NL (1) NL8302456A (2)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0638131Y2 (ja) * 1985-08-01 1994-10-05 株式会社豊田自動織機製作所 無杼織機における筬羽固定装置
JPH0410228Y2 (2) * 1985-12-16 1992-03-13
JPH0431269Y2 (2) * 1987-01-10 1992-07-28
US4870997A (en) * 1988-07-01 1989-10-03 Niagara Lockport Industries Inc. Loom with selectively positionable shuttle mechanism
IT1245591B (it) * 1991-03-29 1994-09-29 Somet Soc Mec Tessile Tenditrama pneumatico di estremita' per telai ad aria
DE4213754C1 (de) * 1992-04-25 1993-12-02 Dornier Gmbh Lindauer Einrichtung zum pneumatischen Führen turbulenter Schußfadenenden einer Hilfsgewebeleiste in Luftdüsenwebmaschinen
DE4443899C1 (de) * 1994-12-09 1995-11-23 Dornier Gmbh Lindauer Webmaschine mit einer Kombination aus Schneidvorrichtung und Einleger
KR101086092B1 (ko) * 2004-01-21 2011-11-25 아이로보트 코퍼레이션 자율 로봇을 도킹시키는 방법
BE1019614A3 (nl) 2009-07-01 2012-09-04 Picanol Inrichting en werkwijze voor het vangen en strekken van inslagdraden bij weefmachines.
EP2348144A1 (en) * 2010-01-26 2011-07-27 ITEMA (Switzerland) Ltd. Pneumatic stretching device of the weft thread for air-jet weaving looms, with a weft deflecting head arranged inside the launch channel of the reed

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1272532A (en) * 1917-02-19 1918-07-16 John Anderson Robison Loom attachment.
NL7108526A (2) * 1971-06-21 1972-12-27
US3744533A (en) * 1971-08-03 1973-07-10 Teijin Ltd Adjustment of filling tension in fluid jet loom and apparatus thereof
NL7206367A (2) * 1972-05-10 1973-11-13
US3901286A (en) * 1973-08-20 1975-08-26 Rueti Te Strake Bv Weft tensioning and cutting means
CH649322A5 (de) * 1981-01-13 1985-05-15 Rueti Te Strake Bv Duesenwebmaschine.
CH659672A5 (de) * 1982-11-11 1987-02-13 Loepfe Ag Geb Schussfadenwaechter.

Also Published As

Publication number Publication date
US4601313A (en) 1986-07-22
JPH0577774B2 (2) 1993-10-27
JPS6039449A (ja) 1985-03-01
NL8302456A (nl) 1985-02-01
EP0133153A1 (de) 1985-02-13
DE3461309D1 (en) 1987-01-02

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