CN102877195A - Warp sinking prevention single-beam let-off tension compensating device - Google Patents
Warp sinking prevention single-beam let-off tension compensating device Download PDFInfo
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- CN102877195A CN102877195A CN2012103924214A CN201210392421A CN102877195A CN 102877195 A CN102877195 A CN 102877195A CN 2012103924214 A CN2012103924214 A CN 2012103924214A CN 201210392421 A CN201210392421 A CN 201210392421A CN 102877195 A CN102877195 A CN 102877195A
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Abstract
The invention discloses a warp sinking prevention single-beam let-off tension compensating device. Both a warp group S for circulating small weaving tissues and a warp group D for circulating big weaving tissues are uniformly withdrawn from a single beam and pass through a single back rest; a fine adjusting motor is connected with a reverse chain control rotating shaft; a pair of hoisting rings, a pair of tension springs and a lifting rod hung below the springs are symmetrically and fixedly arranged on a spring fixing rod; a pair of driving chain wheels meshed with driven reverse chains is symmetrically and fixedly arranged on the reverse chain control rotating shaft; the tail end of each driven reverse chain is connected with each corresponding hoisting ring; the lifting rod is positioned at the front upper part of the back rest; a detector connected below the spring fixing rod corresponds to one end face of the lifting rod and is connected with a center processor by a signal guide circuit; the detector is used for detecting the relative displacement of the detector and the lifting rod so as to determine the load capacity applied to the lifting rod by the warp group D; the center processor is used for controlling the run-stop action of the fine adjusting motor according to the load capacity; and the device can take an effect of preventing the warp group D from being sunk.
Description
[technical field]
The invention belongs to and weave the warp tension control technical field, specifically, relate to a kind of single warp beam warp let-off tension compensating mechanism of anti-settling warp, move back Jie out and be displaced into warp thread piece on the single back rest from single warp beam, it has the warp thread group S of the close less weave circulation usefulness of weave period and the warp thread group D of larger weave circulation usefulness.
[background technology]
The electronic letting-off device of loom configuration is that prior art is known, by single knitting (warp) Jie that axle moves back warp thread piece out of electronic letting-off device control, interweaves with woven into fabric with weft yarn through behind the single back rest.
According to the actual needs of fabric tissue flower type design, although the weave period is sometimes close but be not quite similar.When the warp thread group D of larger weave circulation usefulness interweaves warp thread with the common conduct of the warp thread group S of less weave circulation usefulness; the warp thread group S of less weave circulation usefulness is because more with the intertwined point of weft yarn; weave through shrinkage corresponding larger; can satisfy and normally weave required tension force; yet because the intertwined point of the warp thread group D of larger weave circulation usefulness and weft yarn is less; weave through shrinkage corresponding also little; be prone in the interleaving process because of sinking through phenomenon that loose warp causes; heavy through after then cause shutdown, weave nature and just can't normally carry out.
Understand for convenient, now weave test at the door width of cloth as the computer jacquard loom of 2.1m take the fabric of tissue shown in Figure 4: the tissue on the odd number warp thread 22 ' of this flower type is eight pieces circulation, and the tissue on the even number warp thread 21 ' is six pieces circulation, two tissues are more or less the same, although odd number warp thread 22 ' is little with weaving through shrinkage difference of even number warp thread 21 ', odd number warp thread 22 ' still can occur sinking through phenomenon in the weaving process at the scene successively.Do not have obvious difference if only weave the output of 10m length; but when weaving above the above length fabric of 12m; it is heavy through phenomenon that the odd number warp thread 22 ' of eight pieces of tissue usefulness just occurs successively, when being woven into 13m, can't normally weave with regard to repeatedly occurring shutting down.
For above-mentioned drawback, weave the upper and lower back rest and upper and lower beam of a loom that loom that producer purchases is equipped with the bielectron let-off motion usually, warp thread group that will less, large weave circulation usefulness is moved back to be situated between by each beam of a loom respectively and is weaved to carry out twin shaft, have the beam of a loom of different warp thread groups and coordinate mutually to control warp run-in by the electronic letting-off device of correspondence, the corresponding back rest, so but produce new unfavorable factor:
1, behind the increase configuration one cover back rest, the electronic letting-off device, means that weaving producer increases substantially the equipment investment cost; Be reflected in the preparatory process aspect before weaving, meaning needs the secondary warping can obtain upper and lower warp beam, and the warping activity duration prolongs, and is embodied in and weaves the machine aspect, needs the secondary installing beam of a loom, secondary connect through, upper machine time prolongs.
2, the double ends axle is weaved the warp run-in ratio that will regulate upper and lower warp beam, in the close situation of the weave period of two warp thread groups, the warp let-off synchronism degree of regulation of upper and lower warp beam requires high, regulate difficulty very large, the adjusting time is long, brings many puzzlements especially for little order production aspect time cost.
3, upper let-off motion takes up space greatly, and the upper back rest brings very big interference for operative employee's cracked ends (head) operation directly through thicker, and the cracked ends joint is processed inconvenience, affects work efficiency.
[summary of the invention]
The invention provides a kind of single warp beam warp let-off tension compensating mechanism of anti-settling warp, on single warp beam, evenly moved back Jie's close warp thread piece of weave period out, be displaced into the single back rest in carrying out weaving process, can play preventing that larger weave from circulating with the purpose of the heavy warp of warp thread group by this device.
For solving the problems of the technologies described above, the invention provides following technical scheme:
Single warp beam warp let-off tension compensating mechanism of anti-settling warp, the close warp thread piece of weave period is by being moved back equably Jie out on the single warp beam, and move through a single back rest, wherein, described warp thread piece is comprised of the warp thread group S of less weave circulation usefulness and the warp thread group D of larger weave circulation usefulness, its improvement is: the warp thread group D that is in mobile status through the described back rest is being controlled by under the condition of tension force compensation mechanism with the common warp thread piece as interweaving of warp thread group S for interweaving, described tension force compensation mechanism comprises detector, center processor, the fine setting motor and in twos jack adjacent and parallel to each other control rotating shaft, the spring fixed bar, lifting arm, the fine setting motor is connected with jack control rotating shaft, symmetry is installed with a left side on the spring fixed bar, right suspension ring, in the jack control rotating shaft then symmetry be installed with a left side, right drive sprocket, left, right drive sprocket is engaged with respectively driven jack, and the tail end of described driven jack respectively with a left side, right suspension ring link to each other, the tension spring of fixing respectively on the spring fixed bar links to each other with each side of lifting arm in bottom separately, lifting arm is positioned at back rest front upper place, the detector that is connected in spring fixed bar below is corresponding with lifting arm one end face, and it links to each other with center processor by the signal guide passage, this warp thread group D utilizes its load that acts on the lifting arm to affect the fine setting motor when moving through lifting arm, described detector is for detection of the relative shift of itself and lifting arm, to determine that this warp thread group D puts on the load capacity of lifting arm, center processor is controlled turning of fine setting motor according to this load capacity and is stopped action.
Above-mentioned detector is connected with the spring fixed bar by height-adjustable connector.
The present invention is relative with prior art, and advantage and beneficial effect that the fact has are as follows:
1, only need a warping to finish 1 single warp beam, the warping activity duration is few; Only need once go up axle, only once connect through, weave preparatory process short, only need carry out separately tension compensating to warp thread group D, are different from the warp run-in ratio that prior art need to be regulated upper and lower warp beam.
2, lifting arm is thinner, disturb for operative employee's operation little, these disturb objects need not to go up the back rest, upper warp beam, with respect to the traditional double electronic letting-off device with upper electronics warp-feeding mechanism, the upper back rest, upper warp beam for, this device broken string joint is processed easy operating, and the work efficiency impact is little.
3, adapt to small lot order production and satisfy close weave period, that little difference is weaved through the nothing of shrinkage is heavy through weaving.
4, can transform at the loom of existing single let-off motion (comprising the mechanical warp let-off and electronic warp feeding), this device easy accessibility, flexible, for upper and lower let-off motion, improvement cost drops into extremely low.
5; moved back by single warp beam equably at the warp thread group D of the warp thread group S of less weave circulation usefulness and larger weave circulation usefulness and to be situated between and to navigate on continuously on the basis of the single back rest; the result who configures according to apparatus of the present invention is; in weaving overall process, can play well and prevent that warp thread group D is heavy through effect; the detector that is connected in spring fixed bar below changes for detection of itself and the relative shift between the lifting arm of back rest front upper place; to determine that this warp thread group D puts on the load capacity variation of lifting arm; detector is transferred to center processor with the relative shift variable signal that detects; the turning of pulse control fine setting motor that its part ground changes into when proper by center processor stops action; and the liter that lifting arm is controlled in a series of motion transmission stops action; so not only play real-Time Compensation warp thread group D existing owing to weaving through little and easy loose the sinking through caused shutdown phenomenon of shrinkage, and avoid the uncontrolled lifting of lifting arm during postscript and form the frequent cracked ends that overtension causes; the frequent shutdown phenomenon.Thereby detector is in case the load capacity that definite warp thread group D acts on lifting arm is excessively low, center processor sends rotation command for immediately the fine setting motor, carrying out along with the motion transmission, being reflected to lifting arm is raised, detector is in case determine to be compensated and when excessive along with warp thread group D tension force, center processor sends the instruction that stops operating for immediately the fine setting motor, motion is transmitted and is namely stopped immediately, lifting arm no longer rises, advantageously, be the heavy warp of prevention warp thread group D, center processor can be set certain tension fluctuation value, and the uniformity of warp thread group D weaving tension is then guaranteed by the Electronic Control of the built-in sensitivity of center processor.
[description of drawings]
Be described in further detail with regard to the present invention below in conjunction with accompanying drawing.
Fig. 1 is structural representation of the present invention;
Fig. 2 schematically shows the connection diagram of suspension ring, driven jack, drive sprocket, jack control rotating shaft and fine setting motor;
Fig. 3 is the schematic diagram of the right side of lifting arm;
Fig. 4 is the fabric tissue schematic diagram.
[specific embodiment]
As shown in Figure 1, 2, single warp beam warp let-off tension compensating mechanism of anti-settling warp, the close warp thread piece of weave period is by being moved back equably Jie out on the single warp beam 1, and continuous moving is through a single back rest 2, wherein, warp thread piece is comprised of the warp thread group S21 of less weave circulation usefulness and the warp thread group D22 of larger weave circulation usefulness.
The warp thread group D22 that is in mobile status through the described back rest 2 is being controlled by under the condition of tension force compensation mechanism with the common warp thread piece as interweaving of warp thread group S21 for interweaving, and this tension force compensation mechanism comprises detector 8, center processor 9, fine setting motor M T and jack control rotating shaft 3, spring fixed bar 5, lifting arm 7 adjacent and parallel to each other in twos.Fine setting motor M T is connected with jack control rotating shaft 3, symmetry is installed with a left side on the spring fixed bar 5, right suspension ring 5L, 5R, in the jack control rotating shaft 3 then symmetry be installed with a left side, right drive sprocket 3L, 3R, left, right drive sprocket 3L, 3R is engaged with respectively driven jack 4, and the tail end of each driven jack 4 respectively with a left side, right suspension ring 5L, 5R links to each other, the tension spring 6 of fixing respectively on the spring fixed bar 5 links to each other with each side of lifting arm 7 in bottom separately, lifting arm 7 is positioned at the back rest 2 front upper places, be connected in spring fixed bar 5 belows, corresponding with lifting arm 7 right sides with the detector 8 that center processor 9 links to each other by signal guide passage 80, this warp thread group D22 utilizes its load that acts on the lifting arm 7 to affect fine setting motor M T when moving through lifting arm 7, described detector 8 is for detection of the relative shift of itself and lifting arm 7, to determine that this warp thread group D22 puts on the load capacity of lifting arm 7, center processor 9 is controlled turning of fine setting motor M T according to this load capacity and is stopped action.
Center processor 9 is comprised of the electronic devices and components of sensitivity, in weaving overall process, crosses pine or tension both of these case for warp thread group D22 and all can make sensitive reaction.
Be necessary to point out at this: described lifting arm 7 is positioned at the back rest 2 front upper places, say in more detail, lifting arm 7 is between the back rest 2 and minute shed stick, shed stick was known in described minute, warp thread in the warp thread piece hocketed one on the other, and to compile strand used, lifting arm 7 from known warp stop frame away from, from the back rest 2 then close to.
After a little order production was finished, for conveniently readjusting detector 8 height, so that its initial position with lifting arm 7 end faces 71 is corresponding, detector 8 was to be connected with spring fixed bar 5 by height-adjustable connector (not indicating among the figure); For adapting to lifting arm 7 up actions, signal guide passage 80 is telescopic wire.
Left and right drive sprocket 3L, 3R structure are identical, and all are installed in the jack control rotating shaft 3 by key, and left and right suspension ring 5L, 5R structure are identical, and the material of two tension springs 6, coefficient of elasticity, specification are all identical.
Also show the crossbeam G of tubular among Fig. 1, it is fixed on the frame of loom, fine setting motor M T and jack control rotating shaft 3 (such as Fig. 2) is used for installing, fine setting motor M T is fixedly installed in this crossbeam G, the right-hand member of jack control rotating shaft 3 links to each other with fine setting motor M T by shaft coupling, and the left end of jack control rotating shaft 3 is installed in the crossbeam G by bearing, bearing block support.
Each driven jack 4 is all non-enclosed chain, and its tail end (being the tail ring portion) is fixed on the corresponding suspension ring, and unnecessary section of driven jack 4 then is stored in the storage chain box (bag) of crossbeam G rear side.
During implementation, first in warping (preparatory process) process, warp thread piece was twisted into different warp thread groups in different minutes by weaving through shrinkage, and namely pass in the operation weaving preparation, penetrate again menopause tablet and then enter harness eye weaving after the larger warp thread group S21 of shrinkage is first by the back rest 1, for weaving through the less warp thread group D22 of shrinkage, behind the back rest 2, again by carrying out leasing with warp thread group S21 again behind the lifting arm 7, and then pass menopause tablet and then penetrate in the harness eye, wherein, menopause tablet, harness eye are known.
Such as Fig. 3, shown in Figure 1, lifting arm 7 right sides 71 are from down to lower respectively correspondence low level district 71S, the interposition district 71M of normal load amount of low load capacity and the high position district 71D of too high load capacity being shown, when the position of detector 8 is corresponding with normal load amount 71M, show that warp thread group D22 tension force is in normal value.
Its course of work of apparatus of the present invention is as follows:
When just beginning to weave, the interposition district 71M that detector 8 detects lifting arm shown in Figure 37 right sides 71 at this moment, weaves normalization.Carry out along with woven, because weaving through shrinkage of warp thread group D22 is less, the tension force of warp thread group D22 begins to reduce, warp thread group D22 acts on the also corresponding minimizing of load capacity of lifting arm 7, article two, tension spring 6 bottoms namely begin retraction, lifting arm 7 under the effect of two tension spring 6 restoring forces, occurs and spurring the phenomenon that warp thread group D22 rises, remake for warp thread group D22 by lifting arm, to play the effect that compensates by a small margin warp thread group D22 tension force.
Yet along with woven continuing carries out, its tension force of warp thread group D22 after compensating by means of tension spring 6 restoring force effects begins again to reduce gradually, so that when tension spring 6 shortens to certain-length, just can not provide enough tension force for warp thread group D22 again, showing as lifting arm 7 further rises, at this moment, will in time promote spring fixed bar 5, the elongation of tension spring 6 is controlled in certain scope, cause weaving interruption with the appearance of avoiding heavy warp, at length, when detector 8 detects the boundary of lifting arm 7 end faces, 71 interposition district 71M and low level district 71S, detector 8 is transferred to center processor 9 with this relative shift change information by signal guide passage 80 in time, center processor 9 is converted into the control impuls that drives fine setting motor M T according to the information that receives, in time triggering fine setting motor M T rotates, to drive jack control rotating shaft 3 and a left side, right drive sprocket 3L, the interlock of 3R, thereby under the rising of driven jack 4 drives, spring fixed bar 5 is also followed rising, then hauling lifting arm 7 balances rises, the length of tension spring 6 has been elongated, and has so played the effect of real-Time Compensation warp thread group D.Until lifting arm 7 is up to the boundary that detector 8 detects interposition district 71M and high-order district 71D, this time, detector 8 is transferred to center processor 9 with this relative shift change information again, react during center processor 9 postscript, to stop to finely tune the rotation of motor M T, lifting arm 7 namely stops to continue to rise, to avoid warp thread group D22 on the lifting arm 7 owing to the cracked ends phenomenon appears in overtension, so go round and begin again, thereby the deflection that makes all the time tension spring 6 is controlled in the very little excursion, guaranteed that warp thread group D22 tension force on the lifting arm 7 carries out online compensation control by this device and reached tension force and be controlled at all the time in the scope that certain trace changes, finally guarantee the warp thread group D22 no longer loose warp to occur and stopped heavy generation through phenomenon, overcome easily loose technical barrier of warp thread group D22, can continue to carry out smoothly thereby make to weave.
This device is specially adapted to the flower type and changes the little necktie industry of many, single order volume.
Claims (2)
1. single warp beam warp let-off tension compensating mechanism of an anti-settling warp, the close warp thread piece of weave period is by being moved back equably Jie out on the single warp beam, and move through a single back rest, wherein, described warp thread piece is comprised of the warp thread group S of less weave circulation usefulness and the warp thread group D of larger weave circulation usefulness, it is characterized in that: the warp thread group D that is in mobile status through the described back rest is being controlled by under the condition of tension force compensation mechanism with the common warp thread piece as interweaving of warp thread group S for interweaving, described tension force compensation mechanism comprises detector, center processor, the fine setting motor and in twos jack adjacent and parallel to each other control rotating shaft, the spring fixed bar, lifting arm, the fine setting motor is connected with jack control rotating shaft, symmetry is installed with a left side on the spring fixed bar, right suspension ring, in the jack control rotating shaft then symmetry be installed with a left side, right drive sprocket, left, right drive sprocket is engaged with respectively driven jack, and the tail end of described driven jack respectively with a left side, right suspension ring link to each other, the tension spring of fixing respectively on the spring fixed bar links to each other with each side of lifting arm in bottom separately, lifting arm is positioned at back rest front upper place, the detector that is connected in spring fixed bar below is corresponding with lifting arm one end face, and it links to each other with center processor by the signal guide passage, this warp thread group D utilizes its load that acts on the lifting arm to affect the fine setting motor when moving through lifting arm, described detector is for detection of the relative shift of itself and lifting arm, to determine that this warp thread group D puts on the load capacity of lifting arm, center processor is controlled turning of fine setting motor according to this load capacity and is stopped action.
2. single warp beam warp let-off tension compensating mechanism according to claim 1 is characterized in that: described detector is connected with the spring fixed bar by height-adjustable connector.
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| CN 201210392421 CN102877195B (en) | 2012-09-30 | 2012-09-30 | Warp sinking prevention single-beam let-off tension compensating device |
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| CN 201210392421 CN102877195B (en) | 2012-09-30 | 2012-09-30 | Warp sinking prevention single-beam let-off tension compensating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103668606A (en) * | 2013-12-26 | 2014-03-26 | 张家港市攀峰科技有限公司 | Automatic compensating device for tangential belt constant tension transmission |
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|---|---|---|---|---|
| DE3724829A1 (en) * | 1987-07-27 | 1989-02-09 | Dornier Gmbh Lindauer | Device for measuring the warp-thread tension |
| JP2000220061A (en) * | 1999-01-29 | 2000-08-08 | Tsudakoma Corp | Warp tension regulator for loom |
| RU2240390C2 (en) * | 2003-01-05 | 2004-11-20 | Государственное образовательное учреждение высшего профессионального образования Ивановская государственная текстильная академия (ИГТА) | Mechanism for tightening and releasing of warp on weaving machine |
| CN201433274Y (en) * | 2009-06-19 | 2010-03-31 | 张木辉 | Warp tension dynamic balance control device of weaving machine |
| CN201495365U (en) * | 2009-05-11 | 2010-06-02 | 王至昶 | Warp towing let-off device |
| CN201614445U (en) * | 2010-01-27 | 2010-10-27 | 华南理工大学 | Automatic control device for creel tension of warping machine |
| CN202181413U (en) * | 2010-04-01 | 2012-04-04 | 林道尔.多尼尔有限责任公司 | Device for balancing tension change in warp yarn at weaving machine |
| CN202786644U (en) * | 2012-09-30 | 2013-03-13 | 浙江麦地郎领带织造有限公司 | Warp sink prevention single-warp beam warp pacing tension compensating device |
-
2012
- 2012-09-30 CN CN 201210392421 patent/CN102877195B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3724829A1 (en) * | 1987-07-27 | 1989-02-09 | Dornier Gmbh Lindauer | Device for measuring the warp-thread tension |
| JP2000220061A (en) * | 1999-01-29 | 2000-08-08 | Tsudakoma Corp | Warp tension regulator for loom |
| RU2240390C2 (en) * | 2003-01-05 | 2004-11-20 | Государственное образовательное учреждение высшего профессионального образования Ивановская государственная текстильная академия (ИГТА) | Mechanism for tightening and releasing of warp on weaving machine |
| CN201495365U (en) * | 2009-05-11 | 2010-06-02 | 王至昶 | Warp towing let-off device |
| CN201433274Y (en) * | 2009-06-19 | 2010-03-31 | 张木辉 | Warp tension dynamic balance control device of weaving machine |
| CN201614445U (en) * | 2010-01-27 | 2010-10-27 | 华南理工大学 | Automatic control device for creel tension of warping machine |
| CN202181413U (en) * | 2010-04-01 | 2012-04-04 | 林道尔.多尼尔有限责任公司 | Device for balancing tension change in warp yarn at weaving machine |
| CN202786644U (en) * | 2012-09-30 | 2013-03-13 | 浙江麦地郎领带织造有限公司 | Warp sink prevention single-warp beam warp pacing tension compensating device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103668606A (en) * | 2013-12-26 | 2014-03-26 | 张家港市攀峰科技有限公司 | Automatic compensating device for tangential belt constant tension transmission |
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| CN102877195B (en) | 2013-10-30 |
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Inventor after: Meng Zhaoqiang Inventor after: Yuan Dongbao Inventor after: Jin Kejie Inventor after: Huang Sainan Inventor after: Ma Chao Inventor after: Jin Yao Inventor before: Meng Zhaoqiang Inventor before: Jin Yao Inventor before: Ma Chao Inventor before: Yuan Dongbao |
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Free format text: CORRECT: INVENTOR; FROM: MENG ZHAOQIANG JIN YAO MA CHAO YUAN DONGBAO TO: MENG ZHAOQIANG YUAN DONGBAO JIN KEJIE HUANG SAINAN MA CHAO JIN YAO |
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