CN101230515A - Catching apparatus and method for a rapier weaving machine - Google Patents
Catching apparatus and method for a rapier weaving machine Download PDFInfo
- Publication number
- CN101230515A CN101230515A CNA2007101967074A CN200710196707A CN101230515A CN 101230515 A CN101230515 A CN 101230515A CN A2007101967074 A CNA2007101967074 A CN A2007101967074A CN 200710196707 A CN200710196707 A CN 200710196707A CN 101230515 A CN101230515 A CN 101230515A
- Authority
- CN
- China
- Prior art keywords
- parallel
- arrow shaft
- jet nozzle
- capturing device
- rapier looms
- 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
Links
- 238000000034 method Methods 0.000 title claims description 24
- 238000009941 weaving Methods 0.000 title abstract description 5
- 238000012423 maintenance Methods 0.000 claims description 26
- 238000007664 blowing Methods 0.000 claims description 23
- 230000003434 inspiratory effect Effects 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 11
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 5
- 239000004744 fabric Substances 0.000 description 3
- 230000000916 dilatatory effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012797 qualification Methods 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
- D03D47/40—Forming selvedges
-
- 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
- D03D47/12—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
- D03D47/18—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 two weft inserters meeting at or near the middle of the shed and transferring the weft from one to the other
Abstract
A catching device (1) for holding an inserted weft thread in a rapier weaving machine having at least one rapier (6), which is movable along a rapier track (6a), includes a holding channel (5) which can be mounted in a stationary manner on the rapier weaving machine in order to take up a thread end of the inserted weft thread (9) and to hold it. In addition, the catching device includes a deflection nozzle (3) which can be mounted in stationary manner on the rapier weaving machine in order to deflect the thread end of the inserted weft thread to the holding channel (5).
Description
Technical field
The present invention relates to be used for capture (catch) device and the method for the parallel that keep to insert at Rapier looms (rapier weaving machine), and relate to and have this capturing device or be equipped with to carry out the Rapier looms of this method at preamble according to claim 1 and 5.
Background technology
In common Rapier looms, by the giver (bringer rapier) that is fastened on arrow shaft (rapier) or flexible band parallel is inserted shed open (shed), the transferring position at the mid portion of shed open receives and transmits once more by connecing latitude arrow shaft (taker rapier) then.The task of giver is to receive the parallel that presents reliably, be inserted into shed open and exactly it be directed to and connect latitude arrow shaft.The task of connecing latitude arrow shaft is to transmit the off-position of parallel outside it arrives at shed open once more.Have the gripper head of wire clamp each arrow shaft comprising, so as during parallel to insert clamping weft threads securely.Off-position outside shed open, the wire clamp that connects latitude arrow shaft is opened and discharges the end of a thread that is securely held in wire clamp.Capture selvedge (catch selvage) in order to make parallel keep tightening, to provide in Rapier looms usually, it also provides suction nozzle or aspiration line after inserting parallel but directly do not closed before entering shed open, and it receives the end of a thread and stably keeps.
The aspirator that is used for Rapier looms is disclosed in document JP09-059848A, this aspirator between off-position and shed open arrive at three of sides (arrival side) or on four sides around parallel, in this device, formed the suction groove that is connected to suction system.In this way, can suck the end of a thread that discharges and stably remain on the suction groove from a plurality of directions.
When adopting coarse weft yarn, for reed (reed) impact (beat up) during stably keep the end of a thread, the common aspirator and the inspiratory flow of suction nozzle are always insufficient, because aspirator or nozzle just pick up the end of a thread after impacting of reed finished, and reed impact the air flow that motion is created in dilatory the end of a thread behind the reed.In this device, behind reed, inweaved the danger that shed open can not edge region be opened to such an extent as to exist the end of a thread.During next parallel inserted, warp was connect latitude arrow shaft at involved area and is pulled apart then.
Summary of the invention
The objective of the invention is to be implemented in the capturing device and the method that are used to keep the parallel that inserted in the Rapier looms, and realize having this capturing device or being assembled to carry out the Rapier looms of this method, use this capturing device or method, even also keep reliably after inserting coarse weft yarn.
According to the present invention, realize purpose by the Rapier looms of the capturing device that in claim 1, limits, the method that in claim 6, limits and qualification in claim 10.
In Rapier looms with at least one arrow shaft that can move along the arrow shaft track, be used to keep the capturing device of the parallel that inserts to comprise the maintenance passage according to the present invention, keep passage fixed form to be installed in the Rapier looms, to receive and to keep the end of a thread of the parallel of insertion.In addition, capturing device comprises offset jet nozzle, and offset jet nozzle can fixed form be installed in the Rapier looms, deflects into the maintenance passage with the end of a thread of the parallel that will insert, for example has the offset jet nozzle of cycle pulse blowing gas stream.In favourable modification, keep passage to be designed to connect aspiration line.
In advantageous embodiments, keep passage and offset jet nozzle can be installed in the zone of arrow shaft track, for example in the relative both sides of arrow shaft track.For example, design keeps passage and offset jet nozzle and/or capturing device that securing member is provided in this way like this, so that keep passage and offset jet nozzle can be installed in the zone of arrow shaft track.In further advantageous embodiment, also can like this offset jet nozzle be installed so that its blowing gas stream leads transverse to the arrow shaft track.Offset jet nozzle can advantageously be installed in this way and keep passage, so that keep channel part or receive the blowing gas stream of offset jet nozzle fully.
In the method that is used for keeping the parallel that Rapier looms inserts of the present invention, Rapier looms has shed open and at least one arrow shaft, arrow shaft is inserted parallel in the shed open along the arrow shaft track, and arrow shaft discharges the parallel inserted and maintenance passage in the Rapier looms receives and the end of a thread of the parallel that keeps inserting by being installed in fixed form.In addition, by the offset jet nozzle that is installed to fixed form in the Rapier looms the end of a thread of the parallel that inserts is deflected into the maintenance passage.In favourable modification, by blowing gas stream or inspiratory flow the end of a thread of the parallel that inserts is remained on and to keep in the passage.
In advantageous embodiments of the present invention, by the blowing gas stream of offset jet nozzle generation transverse to the arrow shaft track.In the further advantageous embodiment of this method, the blowing gas stream by offset jet nozzle blows into the end of a thread of the parallel that inserts and keeps passage and/or keep parallel the end of a thread in keeping passage.
And, the present invention includes have according to the foregoing description one of them capturing device or be equipped with to carry out according to one of them the Rapier looms of method of the foregoing description.
Even have according to capturing device of the present invention, method and Rapier looms and to adopt coarse weft yarn, the advantage that the end of a thread also no longer passes through behind the reed.Like this, particularly adopt coarse weft yarn, than on Rapier looms, more obtaining better fabric quality with common capturing device.And, with respect to Rapier looms, also can reduce the downtime of the Rapier looms that causes by shut-down with common capturing device.Because above-mentioned capturing device and above-mentioned method, common capturing device with respect to Rapier looms, can reduce manufacturing cost, energy consumption and maintenance cost, because blower fan and keep that the filter element that provides between passage and the blower fan can do littler or can all remove, need still less energy than the inspiratory flow that produces comprehensive fan-out because produce directed blowing gas stream in the zone of arrow shaft track.Simultaneously, the maintenance cost of filter element can correspondingly reduce or avoid fully.
The description of top embodiment only as an example.Further advantageous embodiment can be seen from related right requirement and accompanying drawing.And, in the context of the present invention, in order to form new embodiment can the mutually combine illustrative embodiment described and each feature of modification.
Description of drawings
Hereinafter, with reference to embodiment and accompanying drawing the present invention is described in more detail.In the accompanying drawing:
Fig. 1 is presented in the above-mentioned Rapier looms embodiment according to capturing device of the present invention, and
Fig. 2 is the perspective view of the embodiment of Fig. 1.
The specific embodiment
Fig. 1 and Fig. 2 respectively shown in above-mentioned Rapier looms and the perspective view according to the embodiment of capturing device of the present invention.Rapier looms comprises at least one arrow shaft 6, and it can be designed to connect latitude arrow shaft as shown in fig. 1.For parallel 9 is inserted the shed open that is formed by warp 10,10.1,10.2, arrow shaft shown in Figure 1 can move around on direction 6a ' and arrow shaft track 6a.In order to guide arrow shaft 6, can provide arrow shaft guiding piece 2.For clamping weft threads securely during parallel inserts, arrow shaft can provide wire clamp as shown in Figure 1.Fig. 1 illustrates parallel and inserts parallel afterwards, and this moment, wire clamp was opened in order to discharge the parallel of insertion.The capturing device that illustrates comprises with fixed form and is placed in maintenance passage 5 in the Rapier looms.The end of a thread for the parallel 9 that receives and keep inserting can secure it on the arrow shaft guiding piece 2 by securing member 7.2.In addition, the capturing device that illustrates comprises with fixed form and is placed in capture nozzle 3 in the Rapier looms.Can be by securing member 7.1,7.1 ', 7.1 " secure it on the arrow shaft guiding piece 2.In order to supply wind drift, capture nozzle 3 and advantageously be connected on the pipeline 3a.For the end of a thread of the parallel that will insert to keeping passage 5 deflections, can produce blowing gas streams by offset jet nozzle 3.If desired, blowing gas stream can be a cycle pulse.
In advantageous embodiments, keep in passage 5 and the zone that is installed in arrow shaft track 6a of offset jet nozzle 3 shown in Fig. 1 and Fig. 2, for example in the relative both sides of arrow shaft track.In further advantageous embodiment, can produce the blowing gas stream 4 that laterally strides across arrow shaft track 6a by offset jet nozzle 3.
In advantageous embodiments, the end of a thread of the parallel of insertion is blown into the opening 5a of maintenance passage 5 by offset jet nozzle 3, offset jet nozzle for example so is installed and is kept passage, make the blowing gas stream of offset jet nozzle point to the maintenance passage and/or can be held channel part or reception fully.In more favourable modification, keep passage 5 to be designed to connect aspiration line, to such an extent as to make the end of a thread of the parallel of insertion transmit the into opening 5a of maintenance passage 5 by blowing gas stream and/or inspiratory flow.According to embodiment, can the parallel that insert be remained in the maintenance passage 5 one by one by blowing gas stream and/or inspiratory flow.
In order to impact the parallel 9 that 12 places, edge impact insertion, Rapier looms can the equipment shown in Fig. 1 and Fig. 2 on reed 8.Therefore as above-mentioned, by the blowing gas stream 4 of offset jet nozzle 3, the end of a thread of the parallel that inserts is deflected into maintenance passage 5, to such an extent as to impact between moving period at it, the end of a thread can not pass through behind reed.Owing to adopt this measure, can avoid causing the end of a thread is knitted fabric mistake behind the reed into.In favourable modification, before knitted parallel 9 ', 9 into ", 9 remain on and keep in the passage 5 up to because the advancing of the fabric 11 that is produced by the weaving program, they are hauled out the maintenance passage.To such an extent as to removing from reed 8 together at this point, the end of a thread that haul out to be kept passage do not exist them will be knitted into danger.
See figures.1.and.2 and will be described below the embodiment of the method for the present invention that in Rapier looms, is used to keep the parallel that inserts.In an embodiment, Rapier looms is included as at least one arrow shaft 6 of inserting parallel and it being moved along arrow shaft track 6a.The parallel 9 that discharge to insert of arrow shaft then, and by being placed in fixed form maintenance passage in the Rapier looms receives and the end of a thread of the parallel that keeps inserting.In addition, by be placed in fixed form offset jet nozzle 3 in the Rapier looms with the end of a thread deflection of the parallel that inserts to keeping passage 5.
In the advantageous embodiments of this method, produce the blowing gas stream 4 that laterally strides across arrow shaft track 6a by offset jet nozzle 3.In the further advantageous embodiment of this method, the blowing gas stream by offset jet nozzle 3 blows into the end of a thread of the parallel 9 that inserts and keeps in the passage 5.In favourable modification, by blowing gas stream and/or inspiratory flow the end of a thread of the parallel 9 that inserts is remained on and to keep in the passage 5.
And, the present invention includes and have according to the capturing device of the foregoing description and/or be equipped with to carry out Rapier looms according to above-described method.
Thin and the coarse weft yarn that is suitable in Rapier looms, keeping according to above-described capturing device and method.Owing to use offset jet nozzle, for traditional capturing device of the Rapier looms that aspiration line simply is provided, reduced cost of energy and maintenance cost.
Claims (10)
1. capturing device, be used for keeping the parallel of insertion at Rapier looms, described Rapier looms has at least one can be along the mobile arrow shaft (6) of arrow shaft track (6a), described capturing device (1) comprises maintenance passage (5), described maintenance passage (5) is installed on the Rapier looms with fixed form, the end of a thread with the parallel (9) that receives and keep being inserted, it is characterized in that, described capturing device also comprises offset jet nozzle (3), described offset jet nozzle (3) can fixed form be installed on the described Rapier looms, the offset jet nozzle that particularly has the cycle pulse blowing gas stream deflects into described maintenance passage (5) with the end of a thread of the parallel that will be inserted.
2. capturing device according to claim 1 is characterized in that, described maintenance passage (5) design is used for being connected to aspiration line.
3. according to any described capturing device in claim 1 or 2, it is characterized in that, described capturing device also comprises securing member (7.1,7.1 ', 7.1 "; 7.2), so that described maintenance passage (5) and described offset jet nozzle (3) are installed in the zone of described arrow shaft track (6a) the relative both sides of particularly described arrow shaft track.
4. according to any described capturing device in the aforementioned claim, it is characterized in that described offset jet nozzle (3) is installed as and makes its blowing gas stream (4) lead transverse to described arrow shaft track (6a).
5. according to any described capturing device in the aforementioned claim, it is characterized in that described offset jet nozzle (3) and described maintenance passage (5) are installed as the blowing gas stream (4) that makes described maintenance channel part ground or all receive described offset jet nozzle.
6. method that is used for the parallel that keep to insert at Rapier looms, described Rapier looms has shed open and at least one arrow shaft (6), described arrow shaft (6) is inserted parallel in the described shed open along arrow shaft track (6a), in described method, the parallel (9) that the release of described arrow shaft is inserted, and the end of a thread by the parallel that is arranged on the maintenance passage reception in the described Rapier looms with fixed form and keeps being inserted, it is characterized in that, by being arranged on the offset jet nozzle (3) in the described Rapier looms with fixed form, the end of a thread of the parallel that inserted is deflected into described maintenance passage (5).
7. method according to claim 6 is characterized in that, by the blowing gas stream (4) of described offset jet nozzle (3) generation transverse to described arrow shaft track (6a).
8. according to claim 6 or 7 described method wherein, it is characterized in that the blowing gas stream by described offset jet nozzle (3) blows into the end of a thread of the parallel (9) that inserted in the described maintenance passage (5).
9. according to any described method in the claim 6 to 8, it is characterized in that, remain in the described maintenance passage (5) by blowing gas stream and/or inspiratory flow the end of a thread with the parallel (9) that inserted.
10. Rapier looms, it has according to any described capturing device in the claim 1 to 5 or its equips to carry out according to any described method in the claim 5 to 7.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06125025 | 2006-11-29 | ||
| EP06125025.4 | 2006-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101230515A true CN101230515A (en) | 2008-07-30 |
Family
ID=37801457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101967074A Pending CN101230515A (en) | 2006-11-29 | 2007-11-28 | Catching apparatus and method for a rapier weaving machine |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20080178959A1 (en) |
| JP (1) | JP2008138351A (en) |
| CN (1) | CN101230515A (en) |
| DE (1) | DE502007002850D1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102776666A (en) * | 2012-07-30 | 2012-11-14 | 青岛天一集团红旗纺织机械有限公司 | Pneumatic and mechanical hybrid tuck-in selvage mechanism |
| CN110373800A (en) * | 2019-08-14 | 2019-10-25 | 恺逊自动化科技（上海）有限公司 | A kind of automatic thread drawing-off device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2848684B2 (en) * | 1989-11-16 | 1999-01-20 | ゲブリユーダー ズルツアー アクチエンゲゼルシヤフト | Weft distribution mechanism |
| DE59408395D1 (en) * | 1994-05-30 | 1999-07-15 | Rueti Ag Maschf | Device and method for eliminating irregularities when a weft thread is inserted into a weaving rotor of a row shed weaving machine |
| WO1996038612A1 (en) * | 1995-06-02 | 1996-12-05 | SULZER RüTI AG | Weft thread distributor in a shed course loom |
| DE59707877D1 (en) * | 1997-11-28 | 2002-09-05 | Sulzer Textil Ag Rueti | Method and device for inserting a weft thread in a row shed loom |
| DE50300789D1 (en) * | 2002-04-26 | 2005-08-25 | Sultex Ag Rueti | Catching and holding device for the fishing-side weft end in a loom |
| EP1508633B1 (en) * | 2003-08-15 | 2008-10-29 | Sultex AG | Jet loom |
| DE502004003591D1 (en) * | 2003-09-02 | 2007-06-06 | Sultex Ag | Weaving machine with an insertion device for weft threads |
| US20080271807A1 (en) * | 2006-09-07 | 2008-11-06 | Sultex Ag | Method and a stretching device for the holding of a weft thread |
| US7748414B2 (en) * | 2006-12-12 | 2010-07-06 | Itema (Switzerland) Ltd | Method and apparatus for the insertion of weft threads |
-
2007
- 2007-10-24 DE DE502007002850T patent/DE502007002850D1/en active Active
- 2007-11-21 US US11/986,628 patent/US20080178959A1/en not_active Abandoned
- 2007-11-28 JP JP2007306711A patent/JP2008138351A/en active Pending
- 2007-11-28 CN CNA2007101967074A patent/CN101230515A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102776666A (en) * | 2012-07-30 | 2012-11-14 | 青岛天一集团红旗纺织机械有限公司 | Pneumatic and mechanical hybrid tuck-in selvage mechanism |
| CN102776666B (en) * | 2012-07-30 | 2013-12-04 | 青岛天一集团红旗纺织机械有限公司 | Pneumatic and mechanical hybrid tuck-in selvage mechanism |
| CN110373800A (en) * | 2019-08-14 | 2019-10-25 | 恺逊自动化科技（上海）有限公司 | A kind of automatic thread drawing-off device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE502007002850D1 (en) | 2010-04-01 |
| JP2008138351A (en) | 2008-06-19 |
| US20080178959A1 (en) | 2008-07-31 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080730 |