CN1625619A - Weft holding device - Google Patents
Weft holding device Download PDFInfo
- Publication number
- CN1625619A CN1625619A CN02828874.2A CN02828874A CN1625619A CN 1625619 A CN1625619 A CN 1625619A CN 02828874 A CN02828874 A CN 02828874A CN 1625619 A CN1625619 A CN 1625619A
- Authority
- CN
- China
- Prior art keywords
- weft
- weft yarn
- retaining means
- yarn
- resistance component
- 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.)
- Pending
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- 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
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- 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
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- 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
- D03D49/70—Devices for cutting weft threads
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
A weft holding device, comprising two members opposed to each other between a picking nozzle and a cutter with a clearance provided there between the having weft disposed thereon so as to be forward moved into the clearance by a beating and a resistance member disposed between the two members, the resistance member allows the forward movement of the weft at the time of beating and comes into contact with the weft after cutting to hold the weft between the two members.
Description
Technical field
The device that the present invention relates in the shuttleless loom, between Weft insertion nozzle and cutter, weft yarn is kept.
Background technology
In shuttleless loom, at Weft insertion nozzle and weave cotton cloth in the time of to be cut off by the weft yarn of picking by cutter between the end, tend to take place that this weft yarn shrinks and the phenomenon of deviating to the long measuring storing device side from Weft insertion nozzle.The weft yarn of this moment moves and is called as so-called sprung back (Japanese: ス プ リ Application ゲ バ Star Network), the yarn kind that retractility is big is serious.In order to prevent this phenomenon, in shuttleless loom, disposed with cut weft yarn be held between cutter and the Weft insertion nozzle, weft retaining means when picking begins next time.
As an example of this weft retaining means, have the motion (the real fair 7-30695 communique of Japanese Utility Model bulletin) of the device of the member that between Weft insertion nozzle and cutter, has 2 faces of sowing discord mutually.This device is in water jet loom, and the water film that the injection water that formation is used by picking between 2 faces forms is controlled cut weft yarn by the water film between 2 faces.In above-mentioned communique, putting down in writing by the technology of a pair of leaf spring the weft yarn clamping again.
Yet, little because of controlling of weft yarn in utilizing the device of water film, shrink the big strong weft yarn of retractility so can not control when cutting off, this weft yarn can be deviate from from Weft insertion nozzle.Again, in the device that uses leaf spring, be difficult to adjust the weft yarn confining force,, then can hinder picking next time if the weft yarn confining force is too strong.
Summary of the invention
The objective of the invention is to, do not hinder picking next time and can prevent cut weft yarn from shrinking and deviate from from Weft insertion nozzle.
Weft retaining means of the present invention comprises: have the gap and opposed mutually between Weft insertion nozzle and the cutter and be configured to 2 members of weft yarn by in the described gap advanceable state of beating up; And be disposed between this member resistance component promptly, allow that weft yarn advances by beating up and contact and this weft yarn is remained in resistance component between described 2 members with weft yarn after cutting off.
By the weft yarn of picking, enter between 2 members by beating up, contact with resistance component.At this moment,, advance so make resistance component distortion because of this weft yarn is maintained at tension, open be located at Weft insertion nozzle with the state of weaving cotton cloth between holding under cut off by cutter.
By cutting off the weft yarn that discharges from tension, the direction towards Weft insertion nozzle under the effect of opposite force moves, and becomes tension-free state simultaneously and shrinks, and further the direction towards Weft insertion nozzle moves.Weft yarn contacts with resistance component and is captured, and is held between the member.Like this, can prevent that cut weft yarn from deviating from from Weft insertion nozzle, can not hinder picking next time.
The interval of described 2 members can be adjusted.Like this, according to the interval of 2 members of different yarn kinds adjustment, can adjust the formed weft yarn seizure of resistance component power thus.The result be weft yarn along with beating motion, can be reliably under the situation that does not hinder weft retaining means to Weft insertion nozzle and weave cotton cloth and advance between the end, and, can be caught by weft retaining means reliably and keep after the cut-out.Can not hinder picking next time too by force because of seizure power yet.Interval between member is more little, and then weft yarn seizure power is big more.
Described resistance component can comprise at least one side's who is installed on described 2 members fluffing member.Like this, because of the fluffing part deformable of fluffing member, so by the weft yarn of picking by beat up can be easily in the Weft insertion nozzle and the end turnover of weaving cotton cloth, and the weft yarn after cutting off contacts with the member that fluffs and is held.
Described resistance component can comprise elastic component.Like this, the weft yarn after the cut-out utilizes the elastic force of elastic component can catch reliably and be held.
Described elastic component can comprise circular-arc thread like body.Perhaps described elastic component can comprise leaf spring member.Leaf spring member be because of limiting displacement between 2 members, therefore, compare with traditional a pair of leaf spring and can reduce rigidity, thereby the confining force of the weft yarn after can reducing to cut off can not hinder picking next time.
Description of drawings
Fig. 1 is the vertical view of expression weft retaining means one embodiment of the present invention.
The figure of Fig. 2 for seeing along the 2-2 line of Fig. 1.
Fig. 3 is the vertical view of expression another embodiment of weft retaining means of the present invention.
The figure of Fig. 4 for seeing along the 4-4 line of Fig. 3.
Fig. 5 is expression weft retaining means of the present invention figure another embodiment, identical with Fig. 2.
The specific embodiment
With reference to Fig. 1～Fig. 3, weft retaining means 10 is applied in the shuttleless loom of water jet loom and so on as the device that 2 kinds of weft yarns 12,14 are kept.This shuttleless loom is assembled in nozzle with in the framework 20 with corresponding with weft yarn 12,14 respectively 2 Weft insertion nozzles 16,18.
Weft retaining means 10 comprises: weft yarn 12,14 is divided into up and down separating plate 30, separates the guide plate 32 and 34 and be disposed at the upper surface of separating plate 30 and the resistance component 36 and 38 of lower surface of the upside that is disposed at separating plate 30 with interval and downside with separating plate 30, have up and down independently gap.
Separating plate 30 is disturbed by the picking of tilting upward towards warp thread moving direction upstream side and prevents that the 30A of portion, the gap that is made of smooth generally horizontal plane from forming the 30B of portion, being screwed the installation portion 30C of guide plate 32,34 and being fixed on nozzle by a plurality of frameworks and constitute with the base portion 30D on the framework 20.Nozzle is fixed on the base station of loom with framework 20.
In guide plate 32, form flat condition with opposed opposed the 32A of the 30B of gap formation portion of separating plate 30, the end of upstream side becomes crooked upward guide portion 32B, to separating plate 30 1 side channeling conducts, the end in downstream becomes from the crooked upward flat installation portion 32C of central portion with the weft yarn 12 of correspondence.
Equally, guide plate 34 also is formed with: with separating plate 30 opposed bend to downwards to rear portion 34A, in the end of upstream side with corresponding weft yarn 14 to the guide portion 34B of separating plate 30 1 side channeling conducts and in the end in downstream from the crooked downwards flat installation portion 34C of central portion.
During standby, the leading section clamping of weft yarn 12 by extending to 26 sides of weaving cotton cloth from the Weft insertion nozzle 16 of correspondence by guide plate 32 and resistance component 36, the perhaps leading section clamping of weft yarn 14 by being extended to 26 sides of weaving cotton cloth from the Weft insertion nozzle 18 of correspondence by guide plate 34 and resistance component 38 is maintained at respectively on the weft retaining means 10.Again, weft yarn 12,14 all is to be cut off from weaving cotton cloth by cutter 28.
When woven, weft yarn 12 is by the opening picking of Weft insertion nozzle 16 to warp thread 22, beat up at 26 the fell of weaving cotton cloth by reed 24, the 1st woven step by cutter 28 cut-outs, and weft yarn 14 is by the opening picking of Weft insertion nozzle 18 to warp thread 22, beaten up at 26 the fell of weaving cotton cloth by reed 24, the 2nd woven step of being cut off by cutter 28 is with 1 couple of N (N is the integer 1 or more) or opposite ratio execution.
In the above-mentioned woven step, on weft retaining means 10, because of resistance component 36 and 38 is fluffing members, thus the part that weft yarn 12 and 14 is kept by weft retaining means 10 when picking all can by weft yarn fly wear part and stretch, easy from correspondence guide plate and resistance component between deviate from.
By the weft yarn of picking, enter between the corresponding guide plate and resistance component by beating up, with corresponding resistance component contact.But this moment, because of this weft yarn is maintained at tension, side is advanced downstream so make corresponding resistance component distortion, open be located at Weft insertion nozzle and the state between holding of weaving cotton cloth under cut off by cutter 28.
Cut weft yarn obtains discharging from tension, moves towards the direction of Weft insertion nozzle, becomes tension-free state simultaneously, after the contraction further the direction towards Weft insertion nozzle move.The weft yarn that is moved further towards the direction of Weft insertion nozzle contacts with resistance component and is captured, and is held between the corresponding guide plate and resistance component with little holding force.
As mentioned above,, can prevent that then cut weft yarn from deviating from from Weft insertion nozzle, keep with little holding force simultaneously, can not hinder picking next time thus if adopt weft retaining means 10.Again, screw member 48 being adjusted with respect to the position of the slotted hole of each guide plate, by adjusting the interval of separating plate 30 and resistance component 36,38 and guide plate 32 and 34 respectively, can be that the weft yarn holding force is adjusted to the weft yarn confining force.
With reference to Fig. 3 and Fig. 4, weft retaining means 50 has used the promptly plural wild silk yarn (Japanese: テ グ ス) 56 and 58 of elastic component that is made of circular-arc thread like body as resistance component.Wild silk yarn 56,58 is fixed on respectively on separately the wild silk yarn tape.Each wild silk yarn can be made by the suitable synthetic resin of nylon and so on.
As the wild silk yarn 56 and 58 of resistance component, on the upper surface of the gap formation portion 30B of tape portion by being bonded in separating plate 30 and lower surface, assemble, become a side of each self-corresponding guide plate 32 and 34.Each wild silk yarn 56,58 roughly extends on warp thread direction and bends to circular-arcly, with the state that favours cutter 28 sides guide plate 32 and 34 is connect pressure simultaneously.
In the weft retaining means 50, also be that weft yarn 12,14 is held between the corresponding guide plate and resistance component, can similarly obtain effect and effect with weft retaining means 10.
In weft retaining means 50, weft yarn is imported into the circular arc portion of wild silk yarn by beating up especially, and non-resistance ground advances easily, is opened to be located at and weaves cotton cloth between end and the Weft insertion nozzle.
Again, in the weft retaining means 50, cut weft yarn moves towards the Weft insertion nozzle direction, but is held between guide plate and the resistance component, will stretch to Weft insertion nozzle one layback to the oblique wild silk yarn part of cutter inclination.Like this, can reduce the wild silk yarn of clipped weft yarn and the gap between guide plate, thereby weft yarn is held in more and more tightly between guide plate and the resistance component, can utilize the elastic force of wild silk yarn more effectively to keep.
When picking next time, the part that the retaining part of weft yarn is flown to wear weft yarn stretches, and wild silk yarn is tilted more, and wild silk yarn separates from guide plate.Like this, the clamping of weft yarn being carried out by guide plate and wild silk yarn obtains removing, and this weft yarn can easily be deviate from between guide plate and wild silk yarn, can not hinder picking.In the present embodiment, also can make guide plate 32,34 move the weft yarn confining force is adjusted.
With reference to Fig. 5, weft retaining means 60 has used leaf spring 62,64 as resistance component.Leaf spring 62 and 64 extends towards the length direction of separating plate 30 separately, is fixed in by rivet on the upper surface and lower surface of separating plate 30.
In the weft retaining means 60, also can obtain and weft retaining means 10 and 50 (60?) same effect and effect.Particularly weft retaining means 60, because with weft retaining means 60 (50?) wild silk yarn the same, will with the leaf spring of the enterprising line bend in opposed position of guide plate as the resistance component use, leaf spring can limit displacement between guide plate and separating plate 30, therefore, compare with traditional a pair of leaf spring and can reduce rigidity, thus the confining force of the weft yarn after can reducing to cut off, simultaneously guide plate 32,34 is moved adjusts, can not hinder picking next time.
Also wild silk yarn and leaf spring can be bent to the へ font to replace bowing (inclination).As resistance component, both can use other elastic component of sponge and so on, also can adopt the rubber-like fine rule except that wild silk yarn.Also can have and be not circular but by the polygonal of rectangle etc. and the wire-like members of the oval section of forming again.The present invention is not only applicable to the weft retaining means that water jet loom is used, and is applicable to the weft retaining means that the air injection type loom is used.
The present invention is not limited to the foregoing description, only otherwise break away from its aim, can do various changes.
Claims (6)
1. a weft retaining means is characterized in that, comprising: have the gap and opposed mutually between Weft insertion nozzle and the cutter and be configured to 2 members of weft yarn by in the described gap advanceable state of beating up; And be disposed between this member resistance component promptly, allow that weft yarn advances by beating up and contact and this weft yarn is remained in resistance component between described two members with weft yarn after cutting off.
2. weft retaining means as claimed in claim 1 is characterized in that the interval of described 2 members can be adjusted.
3. weft retaining means as claimed in claim 1 or 2 is characterized in that, described resistance component comprises the fluffing member at least one side who is installed on described two members.
4. weft retaining means as claimed in claim 1 or 2 is characterized in that described resistance component comprises elastic component.
5. weft retaining means as claimed in claim 4 is characterized in that described elastic component comprises circular-arc thread like body.
6. weft retaining means as claimed in claim 4 is characterized in that described elastic component comprises leaf spring member.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2002/010649 WO2004035892A1 (en) | 2002-10-15 | 2002-10-15 | Weft holding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1625619A true CN1625619A (en) | 2005-06-08 |
Family
ID=32104816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02828874.2A Pending CN1625619A (en) | 2002-10-15 | 2002-10-15 | Weft holding device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1625619A (en) |
| WO (1) | WO2004035892A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105765122A (en) * | 2013-10-24 | 2016-07-13 | 米歇尔.范德威尔公司 | Device for cutting off length of weft yarn during weaving on weaving machine and the weaving machine provided with the device |
| CN109844197A (en) * | 2016-09-14 | 2019-06-04 | 桑贾伊·库尔库特 | Weft clamping device for shuttleless loom |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6168959B2 (en) * | 2013-10-01 | 2017-07-26 | 津田駒工業株式会社 | Weft holding device for water jet loom |
| BE1024401B1 (en) * | 2016-07-04 | 2018-02-13 | Picanol N.V. Naamloze Vennootschap | Device for clamping weft threads |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54139763U (en) * | 1978-03-16 | 1979-09-28 | ||
| JPS5917787U (en) * | 1982-07-23 | 1984-02-03 | 津田駒工業株式会社 | Weft gripping device for fluid loom |
| JPH0730695Y2 (en) * | 1989-12-06 | 1995-07-12 | 津田駒工業株式会社 | Weft holding device |
| JPH0849135A (en) * | 1994-08-05 | 1996-02-20 | Nissan Tecsys Kk | Warp-holding apparatus of fluid jetting type loom |
| JP2002302847A (en) * | 2001-04-03 | 2002-10-18 | Tsudakoma Corp | Weft-holding device |
-
2002
- 2002-10-15 WO PCT/JP2002/010649 patent/WO2004035892A1/en active Application Filing
- 2002-10-15 CN CN02828874.2A patent/CN1625619A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105765122A (en) * | 2013-10-24 | 2016-07-13 | 米歇尔.范德威尔公司 | Device for cutting off length of weft yarn during weaving on weaving machine and the weaving machine provided with the device |
| CN105765122B (en) * | 2013-10-24 | 2019-08-16 | 范德威尔 | For the device of cutting weft yarn in loom weaving process and the loom with this device |
| CN109844197A (en) * | 2016-09-14 | 2019-06-04 | 桑贾伊·库尔库特 | Weft clamping device for shuttleless loom |
| CN109844197B (en) * | 2016-09-14 | 2021-04-20 | 桑贾伊·库尔库特 | Weft clamping device for shuttleless loom |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004035892A1 (en) | 2004-04-29 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |