CN102084047B - Device for the tensioning of a leno thread for a doup heddle device for a weaving machine - Google Patents
Device for the tensioning of a leno thread for a doup heddle device for a weaving machine Download PDFInfo
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- CN102084047B CN102084047B CN200980114143.2A CN200980114143A CN102084047B CN 102084047 B CN102084047 B CN 102084047B CN 200980114143 A CN200980114143 A CN 200980114143A CN 102084047 B CN102084047 B CN 102084047B
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- Prior art keywords
- equipment
- leno threads
- inflection point
- cable guiding
- flexible member
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Classifications
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
- B65H59/36—Floating elements compensating for irregularities in supply or take-up of material
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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
- D03C7/02—Gauze healds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/38—Thread sheet, e.g. sheet of parallel yarns or wires
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
A device (10) for the tensioning of a leno thread (2, 3) for a doup heddle device (11) can be positioned in proximity to the doup heddle device (11 ), wherein the device (10) comprises for at least one leno thread (2, 3) a resiliency mounted thread guide (20) which forms a bending point (21) for the leno thread (2, 3), wherein the device (10) also comprises a fixedly mountable thread guide (30) which forms a bending point (31) for the leno thread (2, 3) which in use is positioned in proximity to the doup heddle device (11). A weaving machine which comprises a device (10).
Description
Technical field
the present invention relates to a kind of equipment and a kind of loom with this equipment of the leno threads for tensioning loom doup heddle device.
Background technology
in loom, known applications doup heddle device (being also known as crossing heald device) uses known fixing leno threads and replaces leno threads and parallel formation lace stitch structure.In this case, two leno threads are respectively taken to doup heddle device from a yarn feeder via cable guiding device, thread break stop motion and the line pressing component of line compensator, stationary positioned, and this doup heddle device forms by combining (lifting heddle) with interactional two liftings of doup heddle.Although there is line compensator near yarn feeder, this class doup heddle device cannot adapt to the difference of the leno threads length causing because moving up and down.This is also accompanied by the less desirable large variation of tension force in leno threads.This also causes forming with leno threads good Weaving shed, and this can cause weaving fault.Especially in the time weaving at a high speed, can produce this problem.
from " Watson ' s Advanced Textile Design, Compound Woven Structures; Z.J. Grosicki (1913); ISBN 0 408 00,250 6; The 231st page " in known, as shown in fig. 1, line pressing component is positioned at and is had near the doup heddle device of inflection point that elasticity installs.
also known this class doup heddle device from US2647541, US2389258, EP1036228A1 and BE1012453 in addition.This permission compensates the tension variation in leno threads.But, when being, when under formation shed open, the alternately leno threads of layer line (bottom shed) provides this class compensation, can have problems.Under shed open, layer line is no longer limited utterly at that time; That is to say, the vertical position that alternately leno threads is not fixed, so exist the risk that alternately leno threads will such as, contact with parallel or insertion element (arrow shaft (gripper), gripper band etc.) during inserting that forms layer line under shed open.Therefore, parallel or alternately leno threads can become multilated or damage, and this can cause defect in weaving material or the interruption of weaving process.Occur for fear of above-mentioned situation, alternately the inflection point of leno threads can be selected enough lowly, to do not interrupt parallel or insertion element.But, thereby because the larger length of compensation of having to causes motion that compensating element, is larger and larger tension variation, so this has just improved the requirement to compensating.Then, under the too low shed open of extreme lower position, layer line can cause near access node (binding) Efficiency Decreasing of the parallel edge at weaving material equally.In addition, it is also known that, form the alternately attached lifting of leno threads of layer line under shed open and combine, substitute the compensation of the inflection point of installing by means of elasticity.But this can cause complicated structure and be somebody's turn to do the high-tension variation replacing in leno threads equally fully being compensated, result also can be weaved fault.
Summary of the invention
the object of the invention is a kind of being used for and the equipment of the aforementioned type using together with the doup heddle device of loom, this equipment allows to set layer line under the shed open well being limited, and continues the tension difference in abundant compensation leno threads.
in the case of the said equipment of the leno threads of the leno threads device for tensioning loom, this equipment can be positioned near doup heddle device, and comprise the cable guiding device of installing and form leno threads the first inflection point for the elasticity of at least one leno threads, realizing this object is, described equipment also comprises the cable guiding device that can fixedly mount and form leno threads the first inflection point, and this second inflection point is in use positioned near doup heddle device.
like this, utilize simple structure just to guarantee all the time the Weaving shed of expectation, and the difference in length occurring in leno threads has obtained abundant compensation.This prevents that leno threads from suffering too high tension force and preventing that leno threads from damaging inserting during parallel by such as parallel or insertion element (as arrow shaft etc.).Like this, just greatly reduce the risk occurring because of the defect of weaving material that above-mentioned situation causes.
according to the preferred embodiment of present device, can be hard-wired the second inflection point of forming of cable guiding device in the last inflection point that forms leno threads above of doup heddle device.Because leno threads no longer bends to doup heddle device from hard-wired cable guiding device in the case, so leno threads is just positioned the permission above of doup heddle device in the direction of motion, the tension difference in leno threads is carried out to the optimal compensation upward.
according to an embodiment, equipment of the present invention comprises the cable guiding device that elasticity is installed, and this cable guiding device is supported by flexible member.According to an embodiment, described flexible member is for example, to be made up of elastomeric material (spring steel or synthetic material).In addition, described flexible member may be implemented as leaf spring, spring wire, helical spring etc.This allows equipment according to the present invention to have simple structure.
according to another embodiment, can hard-wired cable guiding device and/or the cable guiding device installed of elasticity can be attached to retainer, this retainer for example can be fastened on Warp stop motions.This permission can be fastened on existing loom in simple mode according to equipment of the present invention.
the present invention also comprises the loom having according to the equipment of the leno threads for tensioning doup heddle device of the present invention, and described equipment can be positioned near of doup heddle device.Near the cable guiding device of doup heddle device that is positioned at regularly of aforementioned device allows to form expect Weaving shed, and the cable guiding device of elasticity installation simultaneously allows to afford redress to the tension force in length difference XOR leno threads.
by dependent claims and hereinafter described embodiment can understand other features and advantages of the present invention.
Brief description of the drawings
in accompanying drawing:
fig. 1 shows the known devices with doup heddle device;
fig. 2 shows the loom with good grounds equipment of the present invention;
fig. 3 shows the side view according to equipment of the present invention;
fig. 4 shows according to the top view of the equipment that is applicable to four leno threads of Fig. 3;
fig. 5 shows the perspective view according to equipment of the present invention;
fig. 6 shows according to the side view of the variant embodiment of equipment of the present invention; And
fig. 7 shows according to the top view of the equipment of Fig. 6.
Detailed description of the invention
in the loom shown in Fig. 2, two leno threads 2 and 3 by line compensator 6 or 7, regularly location cable guiding device 8, Warp stop motions 9 and respectively for example, be taken to doup heddle device 11 from a yarn feeder (bobbin 4 or 5) according to equipment 10 of the present invention.From DE3818680 C1, doup heddle device 11 can be combined 12 and 13 by two liftings and form, and lifting is combined 12 and 13 and can be interacted with doup heddle 14, and each lifting comprehensive 12,13 can be mentioned doup heddle 14 thus.Also schematically show warp beam 15, shed forming device 17, reed 18 and cloth beam 19 with warp 16.The leno threads 2 that is conducted through doup heddle 14 is also called fixing leno threads, and the directed leno threads 3 of combining between 12,13 around doup heddle 14 and in relevant lifting is also called alternately leno threads or alternate line.
loom shown in Fig. 2 show doup heddle device 11 and be positioned near doup heddle device 11 according to equipment 10 of the present invention.As illustrated in greater detail in Fig. 2 to Fig. 4, equipment 10 is that every leno threads 2,3 comprises the cable guiding device 20 that an elasticity is installed, and cable guiding device 20 forms the inflection point 21 of leno threads 2,3.Cable guiding device 20 comprises wire element, and this wire element forms the inflection point 21 of leno threads 2,3, and flexibly installs by means of flexible member 22, and inflection point 21 is attached on flexible member 22.In this case, the cable guiding device 20 that elasticity is installed is supported by flexible member 22.Shown in flexible member 22 be implemented as leaf spring.Flexible member 22 can be made up of spring steel, synthetic material or other elastomeric material.The synthetic material using can be polymer, fibre reinforced polymeric, glassfiber composite or any other known synthetic material with elastic characteristic.Because synthetic material also shows damping characteristic conventionally, can be favourable so use synthetic material.According to modified example (not shown), flexible member 22 can also be implemented as the spring wire of being made up of elastomeric material.
as shown in Figure 2, retainer 23 is arranged near of Warp stop motions 9.For example, retainer 23 can be fastened on the horizontal support 35 of Warp stop motions 9, and Warp stop motions 9 can be fastened on the framework of loom.Obviously, retainer 23 can also directly or by different way be fastened on the framework of loom.In this case, equipment 10 according to the present invention on warp direction between Warp stop motions 9 and doup heddle device 11.
according to modified example (not shown), can omit line eye 25, and for example can on the horizontal support of Warp stop motions 9 35, guide leno threads 2,3, retainer 23 is for example attached on horizontal support 35.
shown in Fig. 2 to Fig. 4, comprise according to the embodiment of equipment 10 of the present invention the cable guiding device 30 that can install regularly; This cable guiding device 30 forms the inflection point 31 of leno threads 2,3.In this case, install regularly inflection point 31.As shown in Figures 3 and 4, cable guiding device 30 is attached on arm 32, and arm 32 for example, is fastened on retainer 23 by means of tightening member 33 (screw connects or glueds joint).According to variant embodiment (not shown), can also provide independent retainer for each cable guiding device 20,30, to substitute a retainer 23.In the embodiment shown, inflection point 31 is implemented as and is fastened to the deconcentrator on arm 32 by means of tightening member 34.Shown in Fig. 3 and Fig. 4, deconcentrator for example can be made up of pottery, or can be provided with wearing layer and form by being positioned to four cable guiding devices adjacent one another are.
in the embodiment of Fig. 3 and Fig. 4, equipment 10 comprises four cable guiding devices 20 of installing individually and flexibly and four cable guiding devices 30 of installing regularly for relevant leno threads.Fig. 4 illustrates, leno threads 2 is conducted through one group of cable guiding device 20,30, and leno threads 3 is conducted through another group cable guiding device 20,30.Also can guide to keep their tensionings to other two leno threads in a similar fashion.If utilize two doup heddle devices 11 to weave, equipment 10 can guide four leno threads as shown in Figure 4 so, and keeps their tensionings.Obviously equipment 10, can interact with one, two, three or four leno threads.
according to modified example (not shown), inflection point 31 can also be implemented as simple axle, or implements under the help of single line eye, if described single line eye is suitable on mounting plate, is fastened on arm.According to another variant embodiment, retainer and/or arm and/or inflection point 31 can be made for to one.
form the cable guiding device 30 of inflection point 31 and allow not consider the compensating movement of the inflection point 21 that elasticity installs and form the Weaving shed 36 of restriction clearly with leno threads 2,3, wherein inflection point 31 is near of installing regularly and be in use positioned doup heddle device 11.What form Weaving shed 36 is limited by the position of the position of minimum leno threads 3 and the highest leno threads 2, and wherein minimum leno threads 3 limits layer line 37 under known shed open, and the highest leno threads 2 limits layer line on known shed open (top shed) 38.In this case, the position of inflection point 31 limits the position of layer line under shed open, and the position of the line eye of doup heddle 14 limits the position of layer line on shed open.
in this embodiment, because the inflection point 31 of cable guiding device 30 in use forms the last inflection point of doup heddle device 11 leno threads 2,3 above, so the position of inflection point 31 defines the position of layer line under the shed open of leno threads 2 and 3 in most doup heddle device 11.This in this case, term " above " refers in the direction of motion of leno threads just in doup heddle device 11 position above.This means the inflection point that there is no leno threads 2 or 3 between the inflection point 31 of cable guiding device 30 and doup heddle device 11.Because the inflection point 21 that elasticity is installed is positioned near of hard-wired inflection point 31, so the tension difference in leno threads 2,3 has obtained abundant compensation.The location of inflection point 31 allows to bend a little round each inflection point 31, and therefore the friction between inflection point 31 and leno threads 2,3 is less.
because the inflection point 21 that elasticity is installed can cause the length compensation of leno threads 2,3 between yarn feeder and doup heddle device 11, so guide to inflection point 21 and then the inflection point 21 that can be installed by elasticity to the leno threads 2,3 of doup heddle device 11 via inflection point 31 keeps tensioning from yarn feeder.Because equipment 10 according to the present invention is positioned near of doup heddle device 11, so be favourable at the length compensation at equipment according to the present invention 10 places.
the inflection point 21 of leno threads shown in Fig. 5 is to be formed by the wire element that is the line eye form that is attached to flexible member 22.For example, this attached can be by flexible member 22 is folded back to implement, flexible member 22 is implemented as leaf spring and is wherein provided with opening, if be applicable to, can be in this opening the attached insert 39 of making and form wire element by ceramic material.According to alternative embodiment, line eye is for example made up of ceramic material, and by means of for example screw or splicing and be attached to flexible member 22.
fig. 6 and Fig. 7 show according to the variant embodiment of equipment 10 of the present invention.The parts similar with embodiment shown in Fig. 2 to Fig. 5 represent with identical Reference numeral.In this embodiment, equipment 10 also comprises inflection point 21 and the hard-wired inflection point 31 that elasticity is installed.Inflection point 31, as shown in the embodiment of Fig. 2 to Fig. 5, is similarly to be formed by the deconcentrator being fastened on arm 32 by means of tightening member 34.This arm 32 transfers to be fastened on retainer 23 by means of tightening member 33.The inflection point 21 that elasticity is installed is implemented as the line eye being for example attached to by means of splicing on flexible member 22, and flexible member 22 is implemented as helical spring in this embodiment.This flexible member then be fastened on L shaped retainer 26, on this retainer 26, arm 27 for example, is fastened to the groove 29 for the arm 32 of hard-wired cable guiding device 30 by means of tightening member 28 (screw connection).This allows to set the relative distance between inflection point 21 and the hard-wired inflection point 31 that elasticity installs in simple mode, thereby setting leno threads 2,3 is in the bending at these 21,31 places, inflection point.
obviously, inflection point 21,31 is also nonessential to be made up of line eye or deconcentrator, but can adopt the arbitrary shape that allows leno threads 2,3 bendings.Obviously, flexible member 22 also nonessentially has as shown in Figure 3 roughly straight shape under non-tensioning state, but can for example have the shape of slight curvature, if or suitable, be embodied as roughly L-shaped.
in the embodiment shown in Figure 2, equipment 10 is as line pressing component; This means that leno threads 2 and 3 is depressed around inflection point 31.According to another kind of possibility, according to equipment of the present invention can also about meridianpiston 16 mirror symmetries be positioned, thereby mention leno threads by this way, and work to carry line components.In this last a kind of situation, doup heddle device also should about meridianpiston 16 mirror symmetries be positioned.But no matter equipment 10 according to the present invention is used as line pressing component or carries line components, its operation all remains unchanged.Obviously, with regard to aforementioned description, should be with layer line on layer line and shed open under suitable mode application shed open.
obviously, can be used at least one leno threads according to the variant embodiment of equipment 10 of the present invention.But, preferably, use equipment 10 according to the present invention to keep two leno threads under tension state or two leno threads of tensioning.Depend on the quantity of doup heddle device 11, can be respectively interact with two, four, the six roots of sensation, eight or more leno threads according to equipment 10 of the present invention.In this case, for example, two, four, six, eight or more cable guiding device 20,30 can be attached on same or point other retainer.For example, at least two equipment 10 according to the present invention are attached to according on loom of the present invention, and each equipment 10 is for example attached to the Weaving shed side being formed by warp.
obviously, in claim, explain be not limited to according to equipment of the present invention and loom shown in and described exemplary embodiment, but can also comprise on the contrary the modification and the combination that fall into these exemplary embodiments within the scope of claim.
Claims (9)
1.
a kind of equipment of leno threads (2,3) of the doup heddle device (11) for tensioning loom, described equipment can be positioned near of described doup heddle device (11), wherein, described equipment (10) comprises the cable guiding device (20) at least one leno threads (2,3), described cable guiding device (20) forms first inflection point (21) of leno threads (2,3), this cable guiding device (20) is installed by flexible member (22) elasticity, and flexible member (22) is attached on retainer (23);
described equipment (10) also comprises formation leno threads (2, 3) the second inflection point (31) and can hard-wired cable guiding device (30), can be attached on arm (32) by hard-wired cable guiding device (30), arm (32) is fastened on retainer, for in use can hard-wired cable guiding device (30) being positioned near of described doup heddle device (11), make in use, described the second inflection point (31) can hard-wired cable guiding device (30) forming forms leno threads (2 above described doup heddle device (11), 3) last inflection point.
2.
equipment as claimed in claim 1, is characterized in that, described flexible member (22) is made up of elastomeric material.
3.
equipment as claimed in claim 2, is characterized in that, described flexible member (22) is implemented as leaf spring.
4.
equipment as claimed in claim 2, is characterized in that, described flexible member (22) is implemented as wire spring.
5.
equipment as claimed in claim 2, is characterized in that, described flexible member (22) is implemented as helical spring.
6.
equipment as claimed in claim 1, is characterized in that, described retainer (23) is securable on Warp stop motions (9).
7.
equipment as claimed in claim 1, is characterized in that, described flexible member (22) is made up of spring steel.
8.
equipment as claimed in claim 1, is characterized in that, described flexible member (22) is made up of synthetic material.
9.
one has the loom for the equipment of the leno threads of tensioning doup heddle device (11) (2,3), it is characterized in that, described loom comprises equipment (10) as claimed in any of claims 1 to 8 in one of claims, and described equipment (10) can be positioned near of doup heddle device (11).
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BEBE-2008/0237 | 2008-04-21 | ||
| BE-2008/0237 | 2008-04-21 | ||
| BE2008/0237A BE1018102A3 (en) | 2008-04-21 | 2008-04-21 | DEVICE FOR TENSIONING A LENO WIRE FOR A TROUSER DEVICE FOR A WEAVING MACHINE. |
| PCT/EP2009/002722 WO2009129950A1 (en) | 2008-04-21 | 2009-04-14 | Device for the tensioning of a leno thread for a doup heddle device for a weaving machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102084047A CN102084047A (en) | 2011-06-01 |
| CN102084047B true CN102084047B (en) | 2014-06-25 |
Family
ID=40377237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980114143.2A Active CN102084047B (en) | 2008-04-21 | 2009-04-14 | Device for the tensioning of a leno thread for a doup heddle device for a weaving machine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2286010B1 (en) |
| CN (1) | CN102084047B (en) |
| BE (1) | BE1018102A3 (en) |
| WO (1) | WO2009129950A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102277665A (en) * | 2011-07-20 | 2011-12-14 | 海宁市建利纺织有限公司 | Buffering device of tensile force of chemical fiber silks |
| CN103061012B (en) * | 2012-12-30 | 2014-07-16 | 青岛纺联控股集团有限公司 | Scutching device of wide cloth machine |
| CN105821554B (en) * | 2015-05-08 | 2017-05-10 | 湖州永昌丝绸有限公司 | Leno heald weaving technology and device used for rapier looms |
| CN114575014A (en) * | 2022-03-14 | 2022-06-03 | 苏州市锦达丝绸有限公司 | Five-warp twisted-pair warp opening tension adjusting device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2647541A (en) * | 1951-02-17 | 1953-08-04 | Draper Corp | Leno weaving |
| GB1182723A (en) * | 1967-03-10 | 1970-03-04 | Rueti Ag Maschf | Production of a Leno Weave |
| DE2420390A1 (en) * | 1973-05-02 | 1974-11-14 | Elitex Zavody Textilniho | Synthetic compound yarn brake - formed by comb whose pins provide meandering yarn braking path |
| CN86204035U (en) * | 1986-08-29 | 1987-07-01 | 李志和 | Two skeined heald leno flat metal heald |
| CN1206440A (en) * | 1995-12-28 | 1999-01-27 | 克勒克尔发展有限公司 | Device for producing leno selvedge in particular for shuttleless looms |
-
2008
- 2008-04-21 BE BE2008/0237A patent/BE1018102A3/en not_active IP Right Cessation
-
2009
- 2009-04-14 CN CN200980114143.2A patent/CN102084047B/en active Active
- 2009-04-14 WO PCT/EP2009/002722 patent/WO2009129950A1/en active Application Filing
- 2009-04-14 EP EP09733942A patent/EP2286010B1/en not_active Not-in-force
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2647541A (en) * | 1951-02-17 | 1953-08-04 | Draper Corp | Leno weaving |
| GB1182723A (en) * | 1967-03-10 | 1970-03-04 | Rueti Ag Maschf | Production of a Leno Weave |
| DE2420390A1 (en) * | 1973-05-02 | 1974-11-14 | Elitex Zavody Textilniho | Synthetic compound yarn brake - formed by comb whose pins provide meandering yarn braking path |
| CN86204035U (en) * | 1986-08-29 | 1987-07-01 | 李志和 | Two skeined heald leno flat metal heald |
| CN1206440A (en) * | 1995-12-28 | 1999-01-27 | 克勒克尔发展有限公司 | Device for producing leno selvedge in particular for shuttleless looms |
Non-Patent Citations (1)
| Title |
|---|
| GB 1182723 A, |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102084047A (en) | 2011-06-01 |
| EP2286010A1 (en) | 2011-02-23 |
| WO2009129950A8 (en) | 2010-11-18 |
| WO2009129950A1 (en) | 2009-10-29 |
| BE1018102A3 (en) | 2010-05-04 |
| EP2286010B1 (en) | 2013-01-30 |
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Effective date of registration: 20151214 Address after: No. 2 Songzhuang Road, Suzhou Industrial Park, Jiangsu Patentee after: Picanol (Suzhou Industrial Park) Textile Machinery Co., Ltd. Address before: Belgium Ipanema Patentee before: Picanol N. V. |