CN101210362A - Fabric traction device - Google Patents
Fabric traction device Download PDFInfo
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- CN101210362A CN101210362A CNA2006100640713A CN200610064071A CN101210362A CN 101210362 A CN101210362 A CN 101210362A CN A2006100640713 A CNA2006100640713 A CN A2006100640713A CN 200610064071 A CN200610064071 A CN 200610064071A CN 101210362 A CN101210362 A CN 101210362A
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- fabric
- traction device
- draw roll
- draw
- fabric traction
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Abstract
A fabric drawing device (10) for drawing fabric (8) in a loom comprises two driven draw rollers (3, 5) for drawing fabric wound on the rollers, and optionally, or according to the concrete conditions, press rollers (4, 6) for pressing the fabric against the two draw rollers.
Description
Technical field
The present invention relates to the fabric take-off or the pulling device of tractive fabric and the loom that uses this kind fabric traction device of on loom, being used for as described in the preamble as claimed in claim 1.
Background technology
Today, the quality for textiles had requirement for height.For industrial textiles the requirement of degree of particularity is arranged, for example, be used for the fabric of auto industry air bag.In this fabric, the particularly important is accurate maintenance filling density.In order to obtain required filling density, must produce quite high fabric tension.This has just formed the active demand to fabric traction device, because, on the one hand, can damage scarcely that to cause bad gripping be smooth fabric, on the other hand, produce slippage in no instance.According to these requirements, the conventional fabrics pulling device is owing to can not stop the slippage of fabric to reach capacity fully.In case the fabric slippage is just no longer accurately revised by the filling density of tractive fabric control.When loom temporarily stopped, the meeting of slippage backward of fabric caused starting state, when perhaps more serious even damage loom.
In the air bag situation, when weaving two tissue layer on another layer of one deck simultaneously, can cause other problem.If " tractive " occurs over just a tissue layer place on the fabric traction device, between these two tissue layer, can be shifted, thereby take place folding.In this case, two tissue layer have different filling densities, and this can not be allowed.
Traditional fabric traction device has been described in the patent specification of CH619 497.This fabric traction device comprises: the fabric traction roller, and hereinafter referred to as draw roll, fabric is by this roller guiding; Press the deflection deflector roll of this draw roll, hereinafter referred to as pressure roller.In addition, this fabric traction device of describing among the CH619 497 comprises extra fabric inflexion point, and it is between brest beams and draw roll, near draw roll and pressure roller, to increase the angle beta that holds with respect to draw roll.Can reduce the slippage of fabric on draw roll by this measure.But as previously mentioned, this measure is not the fabric slippage of all enough eliminating fully in all cases on the draw roll.
Summary of the invention
The purpose of this invention is to provide the fabric traction device that is used for fabric on the tractive loom, utilize this device, can reduce or avoid the fabric slippage in the fabric traction device.In addition, fabric traction device also should be fit to the tractive two-layer fabric.Other purpose of the present invention comprises provides the loom that has this fabric traction device.
According to the present invention, this purpose is to be realized by the loom described in fabric traction device described in the claim 1 and the claim 10.
The fabric traction device that is used to batch fabric in the loom comprises, fabric hold be directed on it first be driven draw roll and fabric hold be directed on it second be driven draw roll.Relatively the angle (promptly the angle that contacts with draw roll of fabric) each time that holds of draw roll preferably is the bigger the better, for example between 100 ° and 356 °, and preferably between 180 ° and 350 °.Fabric traction device also comprises at least one pressure roller in a preferred embodiment, and fabric pressing is leaned against on first or second draw roll.
In another preferred embodiment, first and second draw rolls all connect drive unit, for example, drive interconnective axle and/or gear and/or sprocket wheel.This connection for example can realize by the sprocket wheel and the chain of correspondence.In first distortion, this drive unit is designed so that the direction of rotation of described draw roll is identical, and in second distortion, this drive unit is designed so that the direction of rotation of described draw roll is opposite.Preferably one of described at least two draw rolls are by being slidingly connected or friction clutch is connected to the corresponding driving device.
Preferably, second draw roll and the installation separated by a distance of first draw roll; Preferably, the mounting means of draw roll is stacked mutually, thereby for example one of two draw rolls can be installed in this loom to replace cloth beam.
In another preferred embodiment, fabric traction device also comprises deflection deflector roll or the deflection guide rod that is installed in first draw roll the place ahead.Deflection deflector roll or deflection guide rod are preferably designed to has low friction, because it for example is provided with low-friction coating, as hard chrome coating, it can be unglazed or sandblast.
In another preferred embodiment, fabric traction device also comprises transfer, and it is installed between first draw roll and second draw roll, makes the opposite fabric portions of moving direction not contact with each other.Specifically, when the mutual stacked installation of draw roll, fabric portions from last draw roll or last pressure roller, in the way that downwards draw roll advances, with the probability height that the fabric that is directed around last draw roll contacts, this may cause the friction stree do not expected, perhaps under the situation of two-layer fabrics, cause the mutual displacement of tissue layer, because be reciprocal in the transmission direction of contact point fabric portions.By being installed in the extra transfer between first and second draw rolls, the situation that can avoid the opposite fabric portions of moving direction to contact with each other.
In another preferred embodiment, one of each pressure roller substantially vertically is installed in corresponding draw roll top at least.Because this vertical substantially installation, the pressure maximum that produces by the gravity of each pressure roller.If draw roll is mutual stacked installation, and last pressure roller substantially vertically is installed in the top of draw roll, so, can form another component by the tension force that acts on the fabric portions between first and second draw rolls, this component strengthens the pressure of going up pressure roller.
In addition, the present invention includes the loom that has fabric traction device according to above-mentioned arbitrary embodiment.
Fabric traction device according to the present invention has the following advantages: its minimizing or avoid fabric slippage in the fabric traction device.In addition, the folding acceptable degree that reduces to that can when two-layer fabric, take place, for example, because as previously mentioned, the deflection of fabric is designed to have low-friction coefficient.And, can at any time cut out fabric, and can not upset weaving process in the back of pulling device, when not providing cloth beam and outside pulling device to help the tractive operation, this point is particularly favourable.According to fabric traction device of the present invention, can preferably design identical independently fabric traction device by two and constitute.For example, two traditional fabric traction devices, each all has draw roll and pressure roller.This makes that manufacturing is simple and economical.
The foregoing description only is an example.Can derive other advantageous embodiments by dependent claims and accompanying drawing.And above-mentioned or illustrated single feature can also mutually combine in the context of the present invention and form new embodiment.
Explain the present invention in more detail below in conjunction with embodiment and accompanying drawing.
Description of drawings
Fig. 1 is the loom schematic diagram with embodiment of fabric traction device of the present invention; And
Fig. 2 is the detail drawing of the embodiment of fabric traction device shown in Figure 1.
The specific embodiment
Figure 1 shows that the loom schematic diagram of an embodiment with fabric traction device of the present invention, loom comprise the unwinding warp through axle 15, back rest roller 14, warp is deflection herein, with shed forming device 13, by this device, by the rising of single warp with descend and form shed open 11.In addition, illustrated loom comprises the reed 12 of the usefulness of beating up, and this parallel passes shed open 11 to selvedge, and is not shown.Then, the fabric 8 of formation was pulled cloth support 1 by fabric traction device 10, and fabric traction device comprises two draw rolls that driven 3,5, and fabric 8 is directed around this two roller.Loom shown in Figure 1 is only as an example.In illustrated installation, the distortion and the change of not violating contextual individual component of the present invention all are fine.In application shown in Figure 1, woven fabric 8 is directed to batcher 21 in the loom.This application also only is an example.
Shown in Figure 2 is the detail drawing of the embodiment of fabric traction device shown in Figure 1.In Fig. 2, fabric 8 is directed to fabric traction device 10 on cloth support 1 and deflection deflector roll or deflection guide rod 2.Direction of draw is by arrow 9 expressions.Fabric traction device according to the present invention comprises that first is driven draw roll 3, and fabric is directed around it, also has one extra second to be driven draw roll 5, and fabric is directed around it.In a favourable distortion, draw roll 3,5 is installed apart from one another by certain distance, and, for example, can mutual stacked installation, as shown in Figure 2.In an advantageous embodiments, fabric traction device also comprises pressure roller 4,6 separately, is used for fabric pressing is leaned against on each draw roll 3,5.Fabric traction device 10 for example, can be made of two single fabric traction devices, and each all comprises draw roll 3,5 and pressure roller 4,6.If there is not cloth beam in loom, in a favourable distortion, the draw roll 5 of below just can replace cloth beam.
In another favourable distortion, one of pressure roller substantially vertically is installed in corresponding draw roll top at least.In Fig. 2, for example, last pressure roller 4 substantially vertically is installed in the top of draw roll 3.The all wt of last pressure roller just forms pressure.Because second draw roll is installed in the below of first draw roll 3, as shown in Figure 2, the tension force that second draw roll 5 produces on fabric is used for increasing the pressure of first pressure roller 4 extraly.
In this embodiment, draw roll 3,5 connects drive unit separately, for example, and interconnective driving shaft or gear or sprocket wheel.Being connected of drive unit and draw roll can be Purely mechanical, for example, by two sprocket wheels that connected by a chain, maybe can be synchronous electronic type.In first distortion, drive unit connects in the mode that draw roll 3,5 has identical direction of rotation, and in second distortion, the mode that has opposite direction of rotation with draw roll connects.Under the opposite situation of direction of rotation, for example, when weaving double-layer fabric, tension force once is applied to the upper strata, once is applied to lower floor.In another favourable distortion, being of coupled connections between the drive unit is not rigid design, for example, because one of at least two draw rolls by be slidingly connected or friction clutch be connected to the corresponding driving device and/or because at least one of drive unit be provided with friction clutch.
As shown in Figure 2, fabric traction device can comprise deflection deflector roll or deflection guide rod 2, and this deflection guide rod 2 is installed in the place ahead of first draw roll 3.In this case, advantageously this deflection deflector roll or deflection guide rod are designed to have low friction, for example, because the latter has low friction and/or sliding coating, for example lacklustre hard chrome coating.In addition, can transfer 7 be installed between first and second draw rolls 3,5 of fabric traction device, for example be roller or bar or fan-shaped form, is used for avoiding two independently contacts of fabric portions.If there is not this transfer, can produce the friction stree of not expecting at contact point, because on possible contact point, the direction that fabric moves is normally opposite.Transfer 7 between first and second draw rolls also can advantageously hang down the friction design.
Loom with fabric traction device of the present invention is suitable for weaving high-quality fabric, for example, must accurately keep the industrial textile of filling density.This loom also is suitable for weaving double-layer fabric, compares the folding minimizing that is caused by the displacement between fabric with traditional loom.In addition, especially advantageously, the installation of fabric traction device of the present invention on loom is simple, if loom has had first to be driven draw roll, common cloth beam in addition can be replaced by second draw roll, and fabric is directed around this draw roll.In this case, the cloth beam drive unit of normal presence can be used as the drive unit of second draw roll.
Claims (10)
1. be used for fabric traction device at loom tractive fabric, comprise fabric hold be directed on it first be driven draw roll, it is characterized in that, this fabric traction device also comprise fabric hold be directed on it second be driven draw roll.
2. fabric traction device according to claim 1 is characterized in that, also comprises at least one pressure roller, thereby fabric pressing is leaned against on first or second draw roll.
3. fabric traction device according to claim 1 and 2 is characterized in that first and second draw rolls all connect drive unit, and this drive unit interconnects and/or be designed so that the direction of rotation of described draw roll is identical.
4. fabric traction device according to claim 3 is characterized in that, drive unit is designed to make the direction of rotation of described draw roll opposite.
5. according to claim 3 or 4 described fabric traction devices, it is characterized in that one of described at least two draw rolls are connected to the corresponding driving device by friction clutch.
6. according to the described fabric traction device of one of claim 1-5, it is characterized in that, second draw roll and the installation separated by a distance of first draw roll, and/or draw roll is mutual stacked installation, and/or one of can two draw rolls be installed in and be used for replacing cloth beam on the loom.
7. according to the described fabric traction device of one of claim 1-6, it is characterized in that, fabric traction device also comprises deflection deflector roll or the deflection guide rod that is installed in first draw roll the place ahead, especially, deflection deflector roll or deflection guide rod are designed to have low friction, for example, can make it have low-friction coating.
8. according to the described fabric traction device of one of claim 1-7, it is characterized in that fabric traction device also comprises transfer, it is installed between first draw roll and second draw roll, and the fabric portions that moves is not in the other direction contacted with each other.
9. according to the described fabric traction device of one of claim 2-8, it is characterized in that at least one substantially vertically is installed in corresponding draw roll top in the described pressure roller.
10. a loom is characterized in that, comprises the loom of wanting the described fabric traction device of one of 1-9 as right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100640713A CN101210362A (en) | 2006-12-28 | 2006-12-28 | Fabric traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100640713A CN101210362A (en) | 2006-12-28 | 2006-12-28 | Fabric traction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101210362A true CN101210362A (en) | 2008-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100640713A Pending CN101210362A (en) | 2006-12-28 | 2006-12-28 | Fabric traction device |
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| CN (1) | CN101210362A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102443967A (en) * | 2011-10-31 | 2012-05-09 | 常州市武进五洋纺织机械有限公司 | Coiling device of warp knitting machine |
| CN105220321A (en) * | 2015-10-27 | 2016-01-06 | 浙江万利纺织机械有限公司 | A kind of active drive type full-rolling type cloth cover induction system |
| CN113417054A (en) * | 2021-07-15 | 2021-09-21 | 鲁丰织染有限公司 | Method for solving weaving layering inconsistency of binding double-layer fabric |
-
2006
- 2006-12-28 CN CNA2006100640713A patent/CN101210362A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102443967A (en) * | 2011-10-31 | 2012-05-09 | 常州市武进五洋纺织机械有限公司 | Coiling device of warp knitting machine |
| CN102443967B (en) * | 2011-10-31 | 2014-04-02 | 常州市武进五洋纺织机械有限公司 | Coiling device of warp knitting machine |
| CN105220321A (en) * | 2015-10-27 | 2016-01-06 | 浙江万利纺织机械有限公司 | A kind of active drive type full-rolling type cloth cover induction system |
| CN113417054A (en) * | 2021-07-15 | 2021-09-21 | 鲁丰织染有限公司 | Method for solving weaving layering inconsistency of binding double-layer fabric |
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Open date: 20080702 |