CN102704183B - The device of the fabric web of the weaving of planar is drawn from weaving loom especially warp knitting machine - Google Patents
The device of the fabric web of the weaving of planar is drawn from weaving loom especially warp knitting machine Download PDFInfo
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- CN102704183B CN102704183B CN201110175556.0A CN201110175556A CN102704183B CN 102704183 B CN102704183 B CN 102704183B CN 201110175556 A CN201110175556 A CN 201110175556A CN 102704183 B CN102704183 B CN 102704183B
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Abstract
The present invention relates to one describes a kind of for drawing the device (3) of the fabric web (2) of the weaving of planar from weaving loom (1) especially warp knitting machine, with multiple pull roll (4-6), the breadth path of fabric web (2) stretches on the surface of pull roll (4-6), and fabric receiving part (15) is led in breadth path on direct of travel after pull roll (4-6).Expect to transport the fabric web with high-quality flexible weaving.Be arranged to, pull roll (6) place last on direct of travel is provided with apparatus for fastening for this reason, and itself and last pull roll (6) form and clamp (9), and breadth path stretches by this clamping folder (9).
Description
Technical field
The present invention relates to a kind of device of (textil) fabric web (Warenbahn) for weaving from middle (the fl chig) drawing (abziehen) planar of weaving loom, especially warp knitting machine (Kettenwirkmaschine), with multiple pull roll (Abzugswalze), stretch the breadth path (Bahnpfad) of fabric web in its surface, and fabric receiving part is led in this breadth path on direct of travel after pull roll.
Background technology
Corresponding weaving loom, such as warp knitting machine are produced with the production width determined the face of elastomeric weaving.Aborning, flexible line (Faden) is processed under (Verstreckung) situation stretched.This stretching causes the fabric web of weaving to advance transverse to it or the pretension of lead direction.Therefore, produce on width once fabric web leaves weaving loom and no longer remains on, fabric web is just attempted to be relaxed in the state that (relaxieren) unload.
In order to ensure the direct production process of fabric web, fabric web draws away (abf ü hren) by fabric leading-out piece (Warenabzug) from production position and remains on as far as possible at this to be produced width, so that make the relaxation force acted on production position minimize.Then fabric web guides on multiple pull roll, and pull roll is used for, and reliably guides fabric web to leave Production Regional to fabric receiving part.In many cases, fabric receiving part is configured to winding up roller, fabric web by around rise on this winding up roller.
Similarly, the fabric web be positioned on pull roll is attempted to relax, and attempts to shrink (zusammenziehen) or rather transverse to its direct of travel.But this relaxes and is hindered by static friction, and fabric web abuts in pull roll place with this static friction.Once be less than relaxation force in the static friction at pull roll place, reduced width (Breitenverminderung) just can be realized.
The power of static friction is caused to be often minimum at last pull roll place.This causes, and lax largest portion realizes in such place, namely guides on last pull roll at this place's fabric web.Attempt at present to solve this problem in the following manner, that is, the static friction of last pull roll is so little, that is, relaxation can start on last pull roll.But can often notice, lax is not realize equably, but realizes with can saying great-jump-forward, and this causes not carefully and neatly done (unsauber) appearance of fabrics (Warenbild) or streak (Streifenbildung).Both cause the quality of the reduction of fabric web.
Summary of the invention
The object of the invention is to, make to transport the fabric web with high-quality flexible weaving.
This object realizes in the following manner in the device of the type mentioned by beginning, namely, pull roll place last on direct of travel arranges apparatus for fastening, and itself and last pull roll form first and clamp (Klemmnip), and breadth path stretches by this first clamping folder.
Utilize this design, fabric web can be made to become height like this in the static friction at last pull roll place, that is, it is always greater than the relaxation force of fabric web.Therefore, as long as fabric web abuts in last pull roll place, fabric web can not change its width.So, reduced width only just can realize after last pull roll rises (Abheben) at fabric web.But herein, fabric web with until fabric receiving part (frei) freely tractive bar (Zug) and exist, thus make lax can realization equably, and do not form striped or draw other not carefully and neatly done appearance of fabrics.In the situation of elastomeric tricot, between warp knitting machine and fabric receiving part, such as can draw the reduced width of about 50%.When considering, when fabric web is to realize the largest portion of reduced width or at least this reduced width when tractive bar is directed freely, not produce the interference in appearance of fabrics.
Preferably, apparatus for fastening is configured to nip rolls.Nip rolls can form roller with last pull roll and press from both sides (Walzennip), wherein fabric web constantly (fortlaufend) be clamped, thus make it abut in last pull roll place with required static friction.At this, the danger of the damage of fabric web is relatively little.
Be preferably as follows at this, that is, nip rolls has the surface softer than the surface of last pull roll.Therefore, the contact (when certainly at fabric breadth) of the planar between last pull roll and folder rod can be produced in certain limit.Therefore, create for following precondition in a straightforward manner, that is, can guarantee that fabric web avoids relaxing fully.
Preferably, apparatus for fastening has force-applying piece (Kraftgeber).By force-applying piece, can produce for fabric web being clamped the power needed on last pull roll.
Be preferably as follows at this, that is, force-applying piece has adjustable power.So, power can be mated with the fabric web correspondingly manufactured.Relaxation force is larger, and usually necessary thrust is larger equally.Therefore, clamping force work that equally can be less in the situation of fabric web demonstrating less relaxation force, thus make the risk of the damage of fabric web can keep less.
Preferably, the first clamping folder is arranged in the peripheral edge margin of last pull roll, and breadth path is tangential to last pull roll extension wherein.This must not mean, breadth path is accurately tangentially at last extraction roller the place being furnished with the first clamping folder and rises.But should guarantee, fabric web can be transitioned into tractive bar freely as soon as possible after the first clamping folder, thus makes lax can't help be applied to the frictional force on fabric web or other interference obstruction.
Preferably, last pull roll has the surface roughness larger than the surface roughness of penultimate pull roll.This has two advantages.On the one hand, when the clamping force between last pull roll and apparatus for fastening is not too large, surface roughness that also can also be higher stops lax.On the other hand, so fabric web has following possibility, that is, occupy it equally at the width that last pull roll place has at penultimate pull roll place.Therefore, avoided by the producible interference of the change width before last pull roll.
Preferably, the first pull roll and last pull roll have identical surface roughness.Fabric web also should approximately remain on such width by the first pull roll, that is, fabric web leaves weaving loom with this width.
Be favourable as follows, the first pull roll has relatively high surface roughness for this reason.When the first pull roll and last pull roll are configured to identical surface roughness, also can by interchangeable with one another for these two pull rolls, thus make only to lay in unique roller type.
Preferably, the first pull roll and the second pull roll form the 4th clamping folder.Therefore guarantee, fabric web is held on the first pull roll with required trying hard to keep equally, thus makes to produce the stiction being greater than relaxation force herein.When fabric web is at the first pull roll place and when can remain on desired width at last pull roll place, it can not obviously reduce between the first pull roll and last pull roll on its width, but its maintenance is correspondingly unfolded.This advantageously affects appearance of fabrics.
Preferably, breadth path so guides on pull roll, that is, the same side of fabric web abuts in the first pull roll place and abuts in last pull roll place.Fabric web such as can be made to abut in the first pull roll place with its " bottom side " and abut in last pull roll place, and it has the surface roughness of raising.In contrast, " upside " of fabric web can guide individually on one or more pull roll with smooth surface, thus make fabric web the appearance at its " upside " place can't help pull roll raising roughness interference.
Accompanying drawing explanation
In conjunction with drawing, the present invention is described by preferred embodiment below.Wherein:
Unique figure shows extremely schematically illustrating of device for drawing fabric web from weaving loom.
Detailed description of the invention
This schematically shows weaving loom 1, such as warp knitting machine, it manufactures with the fabric web 2 of knitted fabric (Wirkware) form.Fabric web 2 is faces of elastomeric weaving, and elastomeric line is processed when stretching wherein.The width of fabric web 2 in the exit of weaving loom 1 is determined by production process and by production width.Therefore, fabric web 2 is remained in the width of needs by weaving loom 1 aborning.
But, after leaving weaving loom 1, in fact no longer there is the power of lax (namely transverse to the manufacturing direction of fabric web 2 and the contraction of direct of travel) of opposing fabric web 2.Therefore once fabric web 2 leaves weaving loom 1, it just attempts to reduce its width.
Fabric web 2 is drawn from weaving loom 1 by ejector 3.In the present embodiment, ejector has three pull rolls 4,5,6, and fabric web 2 is directed on them.At this, pull roll 4 forms the first pull roll and pull roll 6 forms last pull roll.Fabric web abuts in the first pull roll 4 place with side (for simplicity it is called " bottom side ") and abuts in last pull roll 6 place.The opposite side (it is called " upside ") of fabric web 2 abuts in middle pull roll 5 place.Between the first pull roll 4 and last pull roll 6, be also provided with splice protection part (Eingriffschutz) 7a, it is arranged in herein for reasons of safety.Splice protection part can be configured to roller 7b equally, and itself and pull roll 4,6 form additional second and the 3rd and clamp and press from both sides.
Nip rolls 8 and last pull roll 6 form the first clamping and press from both sides 9, and fabric web 2 is conducted through this first clamping folder 9.Pinch roll 8 presses to last pull roll 6 by force-applying piece 10, thus makes fabric web 2 can be loaded certain clamping force in the first clamping folder 9.Shown by arrow 11, the power that force-applying piece 10 can apply is adjustable.
In this embodiment, force-applying piece 10 is configured to piston/cylinder unit, and it can be handled with pneumatically or surging.But force-applying piece can otherwise construct equally, passes through spring construction in the simplest situation.The supporting of nip rolls 8 can realize at Linear guide (Linearf ü htung) place, thus makes nip rolls 8 can at the direction superior displacement towards last pull roll 6.But it is also possible that nip rolls 8 is supported to lever place not shown further, swing on the direction towards last pull roll 6 for making it.
First pull roll 4 and last pull roll 6 have relatively high roughness.Preferably, it is similar to and has identical surface roughness.The surface roughness of the first pull roll 4 and last pull roll 6 is greater than the surface roughness of the second pull roll 5.The surface roughness of the second pull roll 5 is relatively little, thus the second pull roll 5 is configured to relatively sliding surface.
Second pull roll 5 is same with the first pull roll 4 to be formed the 4th and clamps folder 12, thus make to reel (auflaufen) to the fabric web 2 on the first pull roll 4 can be enough try hard to keep and be held in the first pull roll 4 place, thus on the first pull roll 4, produce relatively large static friction equally.
Nip rolls 8 has the surface softer than the surface of last pull roll 6.Therefore, nip rolls 8 can so construct, that is, it abuts in last pull roll 6 place in the situation of corresponding thrust on less region, face.Therefore, this does not relate to the pure linear contact lay between pinch roll 8 and last pull roll 6.This tool has the following advantages, that is, the surface pressure being applied to fabric web 2 must not be selected too high, and however still can apply enough clamping forces, so that remained on last pull roll 6 by fabric web 2 with enough static friction.
Make the static friction on the first pull roll 4 and on last pull roll 6 so large, that is, the power drawn thus is greater than the relaxation force of fabric web 2.Therefore, once fabric web 2 is positioned on the first pull roll 4 and is located on last pull roll 6 (that is abut in this two rollers 4,6 place), it can not relax, not collapsible transverse to its direct of travel or rather.This contraction is also referred to as " crimp " (Einsprung) of fabric.
Therefore, lax is only possible between weaving loom 1 and the first pull roll 4.But, for this reason for section (fabric web is so that tractive bar is directed freely wherein) relatively short, thus make to realize significantly lax.On this point, diagram is not in the drawings drawn in proportion.In addition, use at least one width to keep equipment herein, fabric web is almost transferred to the first pull roll 4 place to produce width by it.
Pull roll 4-6 can not realize the crimp of fabric web 2 equally, because static friction opposing crimp.In theory, can realize lax on the second pull roll 5, because it has relatively sliding surface.But, because fabric web 2 remains on the width desired by it by the first clamping folder 9 and the second clamping folder 12, therefore when being wound up into the second pull roll 5 and advance from the second pull roll 5 leave time, can not reduced width be realized actually herein.
The first clamping folder 9 between last pull roll 6 and pinch roll 8 is arranged in fabric web 2 and leaves last pull roll 6 place, and therefore corresponding breadth path is tangential to last pull roll 6 and stretches.Herein, concept " tangentially " should not understood with the meaning of mathematically narrow sense.But should guarantee, fabric web 2 no longer suffers to hinder lax static friction or fellow after rising from last pull roll 6.
Therefore, between the first clamping folder 9 and the slewing rollers 14 of winding mechanism (Aufrollung) 15, produce the bar of tractive freely 13 of fabric web.In this freely tractive bar 13 (its length herein same not to scale (NTS) illustrates), fabric web 2 has following possibility, that is, its reduced width, and this lax power of can't help adverse effect is disturbed.Therefore, fabric web 2 can shrink equably on its width, and this pro affects appearance of fabrics.
The reduced width of fabric web 2 between weaving loom 1 and slewing rollers 14 can (durchaus) be 50% completely.But the largest portion of this reduced width produces, namely after ejector 3 in tractive bar 13 freely.
Claims (10)
1. the device for the fabric web (2) of the weaving of extraction planar from weaving loom (1), with multiple pull roll, the breadth path of described fabric web (2) stretches on the surface of described pull roll, fabric receiving part (15) is led in described breadth path on direct of travel after described pull roll, it is characterized in that, pull roll (6) place last on direct of travel is provided with apparatus for fastening, this apparatus for fastening and last pull roll (6) form first and clamp and press from both sides (9), described breadth path stretches by described first clamping folder (9), wherein said breadth path so guides on described pull roll, namely the same side of described fabric web (2) abuts in the first pull roll (4) place and abuts in described last pull roll (6) place, wherein splice protection part (7a) is set between described first pull roll (4) and described last pull roll (6), this splice protection part is configured to roller (7b), this roller (7b) and described first pull roll (4) and described last pull roll (6) formed add second and the 3rd clamp and press from both sides.
2. device according to claim 1, is characterized in that, described apparatus for fastening is configured to nip rolls (8).
3. device according to claim 2, is characterized in that, described nip rolls (8) has the surface softer than the surface of described last pull roll (6).
4. device according to any one of claim 1 to 3, is characterized in that, described apparatus for fastening has force-applying piece (10).
5. device according to claim 4, is characterized in that, described force-applying piece (10) has adjustable power.
6. device according to any one of claim 1 to 3, it is characterized in that, described first clamping folder (9) is arranged in the peripheral edge margin of described last pull roll (6), and described in this peripheral edge margin, breadth path is tangential to described last pull roll (6) and stretches.
7. device according to any one of claim 1 to 3, is characterized in that, described last pull roll (6) has the surface roughness larger than the surface roughness of penultimate pull roll.
8. device according to claim 7, is characterized in that, described first pull roll (4) and described last pull roll (6) have identical surface roughness.
9. device according to any one of claim 1 to 3, is characterized in that, described first pull roll (4) and the second pull roll (5) form the 4th clamping folder (12).
10. device according to claim 1, is characterized in that, described weaving loom (1) is warp knitting machine.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011015156 | 2011-03-26 | ||
| DE102011015156.7 | 2011-03-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102704183A CN102704183A (en) | 2012-10-03 |
| CN102704183B true CN102704183B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110175556.0A Active CN102704183B (en) | 2011-03-26 | 2011-06-17 | The device of the fabric web of the weaving of planar is drawn from weaving loom especially warp knitting machine |
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| CN (1) | CN102704183B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114382A (en) * | 2013-01-05 | 2013-05-22 | 赖秋玉 | Split traction mechanism of multi-bar warp knitting machine |
| CN107012581A (en) * | 2017-05-23 | 2017-08-04 | 泉州市睿敏机电技术有限公司 | The automatic cloth rolling system and batching and fabric drum replacing options of a kind of warp knit cloth |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3899901A (en) * | 1970-12-21 | 1975-08-19 | Deering Milliken Res Corp | Selvage guide and break-out preventor for knitting machines |
| GB1546438A (en) * | 1975-11-14 | 1979-05-23 | Steiger Sa Atelier Constr | Device for drawing of fabric knitted by a rectillinear knitting machine |
| US4722369A (en) * | 1985-12-06 | 1988-02-02 | Sulzer Brothers Limited | Take-up device for the cloth beam of a textile machine |
| EP0591988A1 (en) * | 1992-10-09 | 1994-04-13 | Precision Fukuhara Works, Ltd | Fabric take-up mechanism for circular knitting machine |
| CN2203311Y (en) * | 1994-10-29 | 1995-07-12 | 黄岩通用机械厂 | Gray goods drafting assembly for circular knitting machine |
| CN1171461A (en) * | 1996-05-22 | 1998-01-28 | 利巴机械制造有限公司 | Device for wind up of knitted material web |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62238853A (en) * | 1986-04-07 | 1987-10-19 | ユニチカ株式会社 | Method for knitting raised warp knitted fabric |
-
2011
- 2011-06-17 CN CN201110175556.0A patent/CN102704183B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3899901A (en) * | 1970-12-21 | 1975-08-19 | Deering Milliken Res Corp | Selvage guide and break-out preventor for knitting machines |
| GB1546438A (en) * | 1975-11-14 | 1979-05-23 | Steiger Sa Atelier Constr | Device for drawing of fabric knitted by a rectillinear knitting machine |
| US4722369A (en) * | 1985-12-06 | 1988-02-02 | Sulzer Brothers Limited | Take-up device for the cloth beam of a textile machine |
| EP0591988A1 (en) * | 1992-10-09 | 1994-04-13 | Precision Fukuhara Works, Ltd | Fabric take-up mechanism for circular knitting machine |
| CN2203311Y (en) * | 1994-10-29 | 1995-07-12 | 黄岩通用机械厂 | Gray goods drafting assembly for circular knitting machine |
| CN1171461A (en) * | 1996-05-22 | 1998-01-28 | 利巴机械制造有限公司 | Device for wind up of knitted material web |
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| CN102704183A (en) | 2012-10-03 |
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Effective date of registration: 20200203 Address after: Oberzhausen, Germany Patentee after: Karmeier R & D Co., Ltd Address before: Olbers Stockhausen Germany Patentee before: Karl Mayer Textilmaschinenfabrik GmbH |
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