CN2745966Y

CN2745966Y - Quantitative and variable quantity yarn feeding device

Info

Publication number: CN2745966Y
Application number: CN 200420049786
Authority: CN
Inventors: 陈仁惠; 陈佩莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-04-29
Filing date: 2004-04-29
Publication date: 2005-12-14
Anticipated expiration: 2014-04-29

Abstract

The utility model provides a quantitative and variable quantity yarn conveying device which comprises a yarn conveying body, a drive unit, a yarn conveying wheel set, an automatic yarn guiding unit and a tension fine adjusting unit, wherein the front end of the yarn conveying body is provided with a yarn entering and guiding arm, a yarn entering and pressing device, a first guide eye and a second guide eye; the drive unit is arranged above the yarn conveying body and is connected with a main shaft to drive, and a layered belt wheel and a clutch are arranged on the main shaft and can be driven by a set of endless belts; the yarn conveying wheel set is in driving connection with the main shaft of the drive unit and comprises a variable yarn conveying wheel fixed on the main shaft and a quantitative yarn conveying wheel; the automatic yarn guiding unit is arranged below the front end of the yarn conveying body, one end of the automatic yarn guiding unit is convexly provided with an automatic yarn guiding arm with a tail end provided with a yarn guiding eye of the yarn guiding arm for connecting yarn penetrated and wound from the second guide eye on the front end of the yarn conveying body, and the other end corresponding to the automatic yarn guiding arm is provided with a third guide eye and a fourth guide eye; the tension fine adjusting unit comprises a tension adjusting arm which is elastically butted and pivoted on the main shaft and can freely rotate by using the main shaft as a center, and a fine adjusting guide eye is arranged on the end edge of the tension adjusting arm. Therefore, the automatic yarn guiding arm can automatically deflect following the change of requirements of yarn quantity to change the position of the guide eye of the yarn guiding arm and can be matched with the tension adjusting arm to slightly adjust yarn tension. Thus, the stabile yarn conveying tension is obtained to improve the stability of yarn conveying operation and weaving quality.

Description

Quantitatively and the variable yarn-feeding device

Technical field

The utility model relates to a kind of yarn-feeding device, refer to especially a kind of have automatic guide and can make the conveying of yarn have excellent stability and weave quality quantitatively and the variable yarn-feeding device.

Background technology

A kind of yarn-feeding device is provided in a side of on the round needle loom and send the yarn operation in order to provide, known have quantitatively and variable send the yarn-feeding device such as the United States Patent (USP) the 4th of yarn function, 890, No. 464 patent cases (being same as No. 0333481 patent case of European Patent Publication No), as its specification and graphic shown in, it includes a shell, the top of this shell and the anterior axle of being supported by ball bearing that is provided with, and the top of this axle is provided with driving mechanism, and this driving mechanism has four driving wheels of two mat Clutch Control; One gives yarn mechanism, include the 1st bigger yarn guiding surface of a coefficient of friction and the 2nd less yarn guiding surface of coefficient of friction, and in abutting connection with being provided with manual guiding element to yarn mechanism, reaching thread guide eyelet, this two manual guiding element, be that the bearing that is pressed into shell front portion bottom is that the center rotates freely with 360 degree, wherein manually guiding element is in order to yarn being imported the 1st yarn guiding surface, and manually guiding element is in order to yarn is imported the 2nd yarn guiding surface.

Aforementioned this yarn-feeding device is to be manual adjustment in order to the manual guiding element that carries out guide, comparatively loaded down with trivial details on not only adjusting, and both do not have the relation on the mutual interlock, therefore when the variable that carries out jacquard weaving (Jacquard pattern knitting) send yarn, it is eaten long being set by manual guiding element of yarn of yarn and is certain-length, when the yarn amount increase in demand of knitting machine, yarn tension increases and yarn is longer, and when the yarn amount demand of knitting machine reduces, yarn tension reduces and yarn is long shorter, therefore for the yarn tension of yarn from large to small at variable, yarn length is during by long shortening, and not have the leeway of buffering with making this yarn be longer than moment, and the phenomenon that causes the yarn circle to give prominence to, opposite, when variable supplied the yarn tension of yarn to change from small to big, yarn tension raise suddenly, and then causing weaving cloth has broken hole or horizontal stripe to produce; And owing to this yarn-feeding device can't be grasped at the stability of yarn tension when carrying out variable for yarn, when especially the rubber-like yarn being weaved, when yarn tension changes greatly, can't weave available cloth at all, this be its structural design one on shortcoming greatly.

Moreover, this yarn-feeding device is to utilize four driving wheel interlock the 1st yarn guiding surfaces and the 2nd yarn guiding surface, promptly adjust the variation of yarn tension with four driving wheel friction speeds, need be manually clutch being controlled respectively and adjust this driving wheel, so also quite loaded down with trivial details when this yarn-feeding device is adjusted tension force changing car.

Again, this yarn-feeding device carry out variable send yarn time system use two manual guiding elements by on, following two sections priorities import the 1st yarn guiding surface and the 2nd yarn guiding surface, so it is when quantitatively sending yarn, then yarn is passed the manual guiding element shown in its first figure dotted line, directly enter the 2nd yarn guiding surface after making yarn pass the guide eye of manual guiding element, that is the 1st yarn guiding surface above when quantitatively sending yarn, not using and the 2nd yarn guiding surface below only using, so make its yarn entry operation and carry out different lot number cloth weave when changing car comparatively time-consuming, so the necessity that really remains to be improved again breakthrough on its overall structure.

In view of its yarn of aforementioned yarn-feeding device send yarn and quantitatively send the fact of not attaining ideal on last shortcoming of yarn operation and the structural design thereof in variable, the designer is based on being engaged in the experience that this already researchs and develops for many years, hope can provide a kind of from basic solution send the yarn stability problem and have more industry applications quantitatively with the variable yarn-feeding device with service industry and society, through for a long time research and development generation of the present utility model is arranged then.

Summary of the invention

The purpose of this utility model is to provide a kind of quantitative and variable yarn-feeding device, and its tension variation that yarn is carried has the effect of moment adjustment, send the yarn operation to have splendid stability and make, and then promotes the quality of weaving of cloth.

A purpose more of the present utility model is to provide a kind of quantitative and variable yarn-feeding device, its can be with yarn amount changes in demand automatically deflection to change the position of guide arm guide eye, and make contact-making surface increase, and then promote the convenience of tension adjustment and the stability that integral body is sent yarn through the relative varying-quantity yarn feeding wheel of yarn of guide arm guiding.

Another purpose of the present utility model is to provide a kind of quantitative and variable yarn-feeding device, variable send yarn and quantitatively to send yarn all be to utilize the circle of varying-quantity yarn feeding wheel and quantitative yarn feeding wheel around sending yarn simultaneously carrying out for it, make the entry operation and carry out different lot number cloth and weave rapid and convenient when changing car of its yarn, and then the lift pins loom is weaved ability.

In order to reach above-mentioned purpose and effect, the technological means that the utility model adopted includes one and send the yarn body, be fixedly arranged on the round needle loom, its leading section is provided with one to go into yarn guide arm, go into the yarn presser device, first guide eye and second guide eye, uses for a yarn and send yarn body leading section to introduce from this; One driver element is arranged at this and send yarn body top, and links and a main shaft is arranged and transmission, and this main shaft is provided with multiple field belt pulley and clutch, and can be driven by one group of most endless strap; One yarn feeding wheel group, transmission links on the main shaft of this driver element, and this yarn feeding wheel group comprises that one is fixedly arranged on varying-quantity yarn feeding wheel and a certain amount of yarn feeding wheel on this main shaft; One automatic guide unit, be located at this and send yarn body leading section below, the one end protrudes out and is provided with an automatic guide arm, this automatic guide arm end be provided with one accept from this send this second guide eye of yarn body leading section wear around and the guide arm guide eye of the yarn that comes, and this automatic guide unit relatively other of this automatic guide arm hold and be provided with one the 3rd guide eye and the 4th guide eye; One tension force fine-adjusting unit includes a waffle arm, and this waffle arm is that elasticity is replaced and is articulated in this main shaft place, and is center and can free turn with this main shaft, and the end limit of this waffle arm is to be provided with a fine setting guide eye; And this yarn that wears long this second guide eye continues and wears the 3rd guide eye, be set around again behind this varying-quantity yarn feeding wheel and continue and wear to this guide arm guide eye and fine setting guide eye, and then after passing the 4th guide eye and this quantitative yarn feeding wheel of winding, send one first guide eye, Yarn Brake and terminal second guide eye of yarn body tip and yarn through this; This automatic guide arm can be with yarn amount changes in demand automatically deflection change the position of this guide arm guide eye, with the contact area that changes this yarn and this varying-quantity yarn feeding wheel and carry out tension adjustment, and finish the operation of automatic guide.

According to aforementioned structure, wherein this yarn that is set around this quantitative yarn feeding wheel is to be arranged with the 1-3 circle, send the yarn operation to reach variable.And this yarn that is set around this quantitative yarn feeding wheel can be reached fixed-quantity yarn feeding operation more than being arranged with 3 circles.

According to aforementioned structure, wherein this automatic guide unit is located at this and is sent yarn body leading section below in conjunction with a fixed head, can be in order to the 3rd guide eye and the 4th guide eye to be set on this fixed head.And this fine setting guide eye is the lower edge that is positioned at this varying-quantity yarn feeding wheel relatively.

This waffle arm includes an adjustment dish, and this adjustment dish is provided with plural number and adjusts the hole, and axially dish includes a reel, and the plural number that is embedded with relative this waffle arm on this reel is adjusted the ball in hole.

The utility model a kind of quantitatively and the variable yarn-feeding device include one and send the yarn body, be fixedly arranged on the round needle loom, it defines a body longitudinally, and its leading section is provided with one and goes into yarn guide arm and go into the yarn presser device; One driver element is arranged at this and send on the yarn body, and this driver element comprises a main shaft; One yarn feeding wheel group, transmission link on the main shaft of this driver element, and it comprises that one is fixedly arranged on varying-quantity yarn feeding wheel and a certain amount of yarn feeding wheel on this main shaft; One automatic guide unit, be located at this and send yarn body leading section, it defines an end direction of principal axis, this end direction of principal axis send the body longitudinally of yarn body to be parallel approximately with this, this automatic guide unit protrudes out in the axial end of this end and is provided with an automatic guide arm, this automatic guide arm end is provided with a guide arm guide eye, and this automatic guide unit is provided with one the 3rd guide eye and the 4th guide eye in the relative end in addition of this automatic guide arm, and this automatic guide arm can be with yarn amount changes in demand automatic deflection to change the position of this guide arm guide eye; One yarn, this that send yarn body leading section from this goes into yarn guide arm and goes into the yarn presser device to be directed to the 3rd guide eye, and continues and wear around this varying-quantity yarn feeding wheel and this guide arm guide eye that arrives, again to the 4th guide eye and around to this quantitative yarn feeding wheel.

The utility model a kind of quantitatively and the variable yarn-feeding device include one and send the yarn body, be fixedly arranged on the round needle loom, and its leading section is provided with one and goes into yarn guide arm and go into the yarn presser device; One driver element is arranged at this and send on the yarn body, and this driver element comprises a main shaft; One yarn feeding wheel group, transmission link this main shaft of this driver element, and it includes a varying-quantity yarn feeding wheel and quantitative yarn feeding wheel; One automatic guide unit, be located at this and send yarn body leading section below, the one end protrudes out and is provided with an automatic guide arm, and this automatic guide arm end is provided with a guide arm guide eye, and this automatic guide unit is provided with one the 3rd guide eye in the end in addition of this relative this automatic guide arm; One tension force fine-adjusting unit includes a waffle arm, and this waffle arm is that elasticity is replaced and is articulated in this main shaft place, and is center and can free turn with this main shaft, and the end limit of this waffle arm is to be provided with a fine setting guide eye; One yarn is linked between the 3rd guide eye, varying-quantity yarn feeding wheel, guide arm guide eye, fine setting guide eye and quantitative yarn feeding wheel; And this automatic guide arm has one to be changed and promotes the inflection point of this yarn and this varying-quantity yarn feeding wheel contact-making surface automatically according to this yarn demand.

According to aforementioned structure, wherein this inflection point is the relative both sides that are positioned at the heart among this longitudinally that send the yarn body with this feeder seat guide eye of this guide arm guide eye; And this send the yarn body to have a body longitudinally, and this automatic guide unit has an end direction of principal axis, and this send the body longitudinally system of yarn body to be parallel approximately with the end direction of principal axis of this automatic guide unit.

According to aforementioned structure, wherein this is arranged in the yarn of this guide arm guide eye already and is set around behind this varying-quantity yarn feeding wheel and wears one the 4th guide eye to this automatic guide unit, the yarn of the 4th guide eye is again behind the quantitative yarn feeding wheel 1-3 of the pile warp circle, the yarn through sending yarn body tip one first guide eye, Yarn Brake and terminal second guide eye, and this automatic guide arm can be with yarn amount changes in demand automatically deflection change the position of this guide arm guide eye, send the operation of yarn to reach variable; And this is arranged in the above back of quantitative yarn feeding wheel 3 circles of yarn pile warp, the yarn through sending yarn body tip one first guide eye, Yarn Brake and terminal second guide eye of the 4th guide eye already, to reach the operation of quantitatively sending yarn.

The utility model has the advantages that the tension variation of yarn was adjusted in moment, and make the conveying of yarn have splendid stability.

Be feature, the technological means that can further understand the utility model and the concrete function of being reached, purpose, enumerate now the utility model than specific embodiment, and conjunction with figs., figure number describes in detail as after.

Description of drawings

Fig. 1 is the utility model first embodiment schematic perspective view;

Fig. 2 is the utility model first embodiment planar side view;

Fig. 3 looks schematic diagram on the utility model first embodiment;

Fig. 4 for the utility model first embodiment carry out variable send yarn operation on look schematic diagram;

Fig. 5 is the 2nd figure along looking schematic diagram on the A-A hatching line, and expression is not carried out variable and sent the yarn state;

Fig. 6 is the 2nd figure along looking schematic diagram on the A-A hatching line, and expression is carried out relatively large variable and sent the yarn operation;

Fig. 7 is the utility model second embodiment schematic perspective view;

Fig. 8 is the utility model second embodiment edge-on body schematic diagram in addition.

Fig. 9 is the utility model second embodiment planar side view.

Figure 10 implements to look schematic diagram for the utility model second.

Figure 11 is that the utility model second embodiment tension variation one is adjusted position view.

Figure 12 is that the utility model second embodiment tension variation two is adjusted position view.

Figure 13 is that the utility model second embodiment tension variation three is adjusted position view.

Figure 14 is that the utility model second embodiment tension variation four is adjusted position view.

The specific embodiment

See also Fig. 1-4, quantitative and variable yarn-feeding device first embodiment for the utility model, this yarn-feeding device 1 includes one and send yarn body 10, driver element 20, yarn feeding wheel group 30 and automatic guide unit 50; This send yarn body 10 rearward end to be provided with a fixator 11, and this fixator 11 can be by bolt 110 lockings on the creel ring 111 of round needle loom; This send yarn body 10 leading sections be provided with one go into yarn guide arm 13 and go into yarn presser device 131 presser devices separate case apply for a patent, relevant detailed description is omitted, enter in this yarn-feeding device 1 in order to guiding yarn 40, this is gone into yarn guide arm 13 and is provided with first guide eye 12, and this goes into yarn guide arm 13 and go into 131 of yarn presser devices to be provided with a yarn filter 14; This send yarn body 10 leading sections belows to be provided with one second guide eye 151, and this is gone into

yarn presser device

131 and 151 of second guide eyes and is provided with one and goes into the yarn parking and detect arm 16, in order to detect this yarn 40 running situations; This send yarn body 10 rearward end belows to be provided with a

terminal guide eye

17,18, and should end guide eye 17 be provided with a Yarn Brake 171 with 18 of terminal guide eyes and the yarn parking detects arm 19.This driver element 20 is to be arranged at this to send the yarn body 10 tops, and links and a main shaft 20A to be arranged and transmission, and this main shaft 20A is provided with two laminar belt pulleys 23 and clutch 24, and can be driven by one group of endless strap 21.And this yarn feeding wheel group 30 includes a varying-quantity yarn feeding wheel 31 and quantitative yarn feeding wheel 32, and this varying-quantity yarn feeding wheel 31 and quantitative yarn feeding wheel 32 are to be fixed in this main shaft 20A upward and with this driver element 20 to link transmissions.

This automatic guide unit 50 is to be located at this to send yarn body 10 leading sections below in conjunction with a fixed head 52, it is to be a rectangle body, and its end direction of principal axis N system send the body longitudinally M of yarn body 10 to be the setting that is parallel to each other approximately with this, this automatic guide unit 50 send an end of yarn body 10 rearward end directions to protrude out in its lengthwise toward this and is provided with an automatic guide arm 51, this automatic guide arm 51 has and is drawn and the tension mechanism of swing, it also is extended with a bending segment 510, these bending segment 510 ends be provided with one can with these varying-quantity yarn feeding wheel 31 corresponding guide arm guide eyes 53, this guide arm guide eye 53 can be reached the change of its accurate position with the automatic adjustment of this automatic guide arm 51; And this fixed head 52 is the ends in addition that are cemented in relative this automatic guide arm 51 of longitudinally of this automatic guide unit 50, it has last flap 520, first lower flap portion 522, second lower flap portion 523 and a vertical flap 524, wherein should go up flap 520 and be provided with a fixing hole 521, be locked in order to bolt and send on the yarn body 10, this first lower flap portion 522 is provided with one the 3rd guide eye 54 and the 4th yarn eye 54A, and this second lower flap portion 523 is provided with one second guide eye 151, and this vertical flap 524 is then in order to be fixed into yarn presser device 131 shown in 1-2 figure.

This yarn 40 is to send yarn body 10 leading sections to enter this yarn-feeding device 1 from this, it is worn in succession and is wound with this first guide eye 12, yarn filter 14, go into yarn presser device 131, second guide eye 151, the 3rd guide eye 54, varying-quantity yarn feeding wheel 31, guide arm guide eye 53, the 4th guide eye 54A, the quantitative yarn feeding wheel of pile warp is at least behind winding one circle again, through terminal guide eye 17, Yarn Brake 171 and terminal guide eye 18 and yarn, and 18 yarn and dead ship conditions that can detect arm 19 these yarns 40 of detecting by this yarn parking of this Yarn Brake 171 and terminal guide eye, by this, send yarn to carry out variable.

And for example shown in Figure 2, when desiring quantitatively to send yarn, can further after getting some circles (more than three circles), pass by terminal guide eye 17 more again according to wearing of aforementioned this yarn 40 around mode in many on this quantitative yarn feeding wheel 32, by this, quantitatively to send yarn; Promptly when sending yarn to become quantitatively to send yarn by variable, connect on the path at identical yarn 40 and needn't do any conversion, only need to increase the winding number of turns of yarn 40 on the quantitative yarn feeding wheel 32, can reach the purpose of quantitatively sending yarn, therefore, need not cut off yarn 40, not need to entry again, need not change allocation position and the operation of sending the yarn spare part yet, this be the utility model quantitatively and the big convenient feature of one of variable yarn-feeding device embodiment.

Continue and see also Fig. 5, because this automatic guide unit 50 is located at this and is sent the yarn body 10 leading sections side that the below is parallel to each other approximately, and the guide arm guide eye 53 that makes these automatic guide arm 51 end limits is to be positioned at relative this to send the opposite side of yarn body 10 under these automatic guide arm 51 undeflected situations, and this yarn 40 is by this second guide eye 151, the 3rd guide eye 54 is worn around this guide arm guide eye 53 back these varying-quantity yarn feeding wheels 31 of pile warp, wear again around the 4th yarn eye 54A, therefore, when these yarn 40 demands change to some extent and need carry out big variable when sending yarn, the beat start of the automatic guide arm 51 of this automatic guide unit 50 will make this guide arm guide eye 53 more near this second guide eye 151 or the 3rd, four

guide eyes

54,54A, shown in the 6th figure, and make this guide arm guide eye the 53 and the 3rd, four

guide eyes

54,54A is positioned at relatively the axial mutually the most close location status of vertical direction (promptly this send the body longitudinally of yarn body 10) of this varying-quantity yarn feeding wheel 31, so can make this yarn 40 around to the 4th yarn eye 54A the time, this varying-quantity yarn feeding wheel 31 be had maximum contact-making surface, and increase and then greatly promote the whole stability of sending yarn by the contact-making surface of these yarn 40 relative varying-quantity yarn feeding wheels by this guide arm guide eye 53.

See also Fig. 7-10, quantitative and variable yarn-feeding device second embodiment for the utility model, make the mechanism of sending yarn more stable in order to illustrate this yarn-feeding device to have the tension force fine setting, and because of second embodiment be based on first embodiment, therefore for ease of understanding, its member identical with first embodiment all has identical member numbering.

This yarn-feeding device 1 includes one and send yarn body 10, a driver element 20, a yarn feeding wheel group 30, one an automatic guide unit 50 and a tension force fine-adjusting unit 60; This send yarn body 10 rearward end to be provided with a fixator 11, and this fixator 11 can be by bolt 110 lockings on the creel ring 111 of round needle loom; This send yarn body 10 leading sections to be provided with one to go into yarn guide arm 13 and go into yarn presser device 131, enter in this yarn-feeding device 1 in order to guiding yarn 40, this is gone into yarn guide arm 13 and is provided with first guide eye 12, and this goes into yarn guide arm 13 and go into 131 of yarn presser devices to be provided with a yarn filter 14; This send yarn body 10 leading sections belows to be provided with one second guide eye 151, and this is gone into

yarn presser device

terminal guide eye

This automatic guide unit 50 is to be located at this to send yarn body 10 leading sections below in conjunction with a fixed head 52, it is to be a rectangle body, and its end direction of principal axis N system send the body longitudinally M of yarn body 10 to be the setting that is parallel to each other approximately with this, this automatic guide unit 50 send an end of yarn body 10 rearward end directions to protrude out in its lengthwise toward this and is provided with an automatic guide arm 51, this automatic guide arm 51 has and is drawn and the tension mechanism of swing, it also is extended with a bending segment 510, these bending segment 510 ends be provided with one can with these varying-quantity yarn feeding wheel 31 corresponding guide arm guide eyes 53, this guide arm guide eye 53 can be with the automatic adjustment of this automatic guide arm 51 start to reach the change of its accurate position; And this fixed head 52 is the ends in addition that are cemented in relative this automatic guide arm 51 of longitudinally of this automatic guide unit 50, it has last flap 520, first lower flap portion 522, second lower flap portion 523 and a vertical flap 524, wherein should go up flap 520 and be provided with a fixing hole 521, be locked in order to bolt and send on the yarn body 10, this first lower flap portion 522 is provided with one the 3rd guide eye 54 and the 4th yarn eye 54A, and this second lower flap portion 523 is provided with one

second guide eye

151, and 524 of this vertical flaps are in order to be fixed into yarn presser device 131.

This tension force fine-adjusting unit 60 is to be hubbed on this main shaft 20A, shown in the 7th and 9 figure, it comprises a waffle arm 61 and beam barrel dish, the hub side of this waffle arm 61 is provided with an adjustment dish 63, the free end of this waffle arm 61 is provided with a fine setting guide eye 62, this fine setting guide eye 62 and with the protruding out and be positioned at the lower edge of this varying-quantity yarn feeding wheel 31 relatively of this waffle arm 61, and waffle arm 61 can be with the tension adjustment displacement voluntarily the blocking location have the positioning action of fine setting; So, this waffle arm 61 promptly can this main shaft 20A be the center turn of making a reservation, in order to carry out the operation of tension force fine setting.

This yarn 40 is to send yarn body 10 leading sections to enter this yarn-feeding device 1 from this, it wears and is wound with this first guide eye 12, yarn filter 14, goes into yarn presser device 131, second guide eye 151, the 3rd guide eye 54, varying-quantity yarn feeding wheel 31, guide arm guide eye 53, fine setting guide eye 62, quantitative yarn feeding wheel 32, the 4th guide eye 54A in succession, again behind quantitative yarn feeding wheel 32 1 circles of pile warp or the some circles, through terminal guide eye 17, Yarn Brake 171 and terminal guide eye 18 and yarn, to carry out quantitatively or variable send yarn.

Continue and see also Figure 11, because this waffle arm 61 is in order to adjust the tension force size fine setting foundation of these yarn 40 yarns, therefore these automatic guide arm 51 these waffle arms 61 of cooperation can solve the control problem of various yarn differential tension size variation scopes when variable supplies yarn, and the adjustment operation that also can solve yarn tension when changing car easily.And the mode of operation of this waffle arm 61 is: when yarn send yarn speed to be set in a certain desired data by belt 21 and belt pulley 23 time, when if the tension variation of yarn is 0g, this waffle arm 61 is to be adjusted to this to send the yarn body position that 10 central axis parallel approximately, state position as shown in figure 11; When if the tension variation of yarn is 1-2g, this waffle arm 61 is to be adjusted to and this position of sending yarn body 10 central axis to be 30 degree approximately, as the state position of Figure 12; And yarn tension changes as when be 3-4g, and this waffle arm 61 is to be adjusted to and this send yarn body 10 central axis to be 60 positions of spending, the state position shown in the 13rd figure approximately; When if yarn tension is changed to 5-6g, this waffle arm 61 is to be adjusted to this to send yarn body 10 central axis to be the position of 90 degree approximately, state position as the 14th figure, in view of the above, the utility model quantitatively only need use two stratification driving belts 21 and belt pulley 23 can obtain the purpose of eight stable yarn pushing tensions adjustment with the variable yarn-feeding device.

The utility model quantitatively depends on the demand of yarn fully with the variable yarn-feeding device because the amplitude of oscillation of this automatic guide arm 51, so this automatic guide arm 51 has the cushion space utilization that yarn tension changes when swinging repeatedly, add the fine setting effect of this waffle arm 61, can make the highly stable of yarn, and avoid the phenomenon that the yarn circle is not of uniform size or have cloth broken hole, horizontal stripe to produce for the yarn operation.

Moreover, the utility model quantitatively with the variable yarn-feeding device owing to carry out utilizing all simultaneously when variable send yarn or quantitatively send yarn varying-quantity yarn feeding wheel 31 and quantitative yarn feeding wheel about in the of 32 two send yarn simultaneously, but owing to the coefficient of friction difference of two yarn feeding wheels to yarn, send the yarn operation smooth for making, the diameter of quantitative yarn feeding wheel 32 of the present utility model is slightly less than varying-quantity yarn feeding wheel 31, order send the length of yarn of the input of yarn operation to be slightly larger than output forever, so long homogeneous of yarn yarn of yarn, the tension force quite stable of yarn, and also only the number of turns number of regulating yarn winding on this quantitative yarn feeding wheel 32 when variable send yarn and quantitatively send yarn to replace, and needn't regulate other member, even the suitable setting yarn winding number of turns on this quantitative yarn feeding wheel 32 only, can be applicable to simultaneously that variable send yarn and quantitatively send yarn, and the adjustment operation of needn't additionally entrying, it send in the yarn operation quite easy and efficient.

In sum, the utility model quantitatively and its above-mentioned its specific structure feature of variable yarn-feeding device mat really can reach every requirement of former utility model purpose, and significantly improve the greatest practical effect of habit formula product, more not seeing has the product of same structure feature openly to sell, the real establishment important document that has met utility model patent of obvious this case, the whence proposes the application of patent in accordance with the law, earnestly asks and grants accurate this case patent early, to show the legislative spirit of Patent Law award compatriots invention, be that institute is to expecting.

Claims

One kind quantitatively and the variable yarn-feeding device, it includes:

One send the yarn body, is fixedly arranged on the round needle loom, and it defines a body longitudinally, and its leading section is provided with one and goes into yarn guide arm and go into the yarn presser device;

One driver element is arranged at this and send on the yarn body, and this driver element comprises a main shaft;

One yarn feeding wheel group, transmission link on the main shaft of this driver element, and it comprises that one is fixedly arranged on varying-quantity yarn feeding wheel and a certain amount of yarn feeding wheel on this main shaft; It is characterized by:

One automatic guide unit, be located at this and send yarn body leading section, it defines an end direction of principal axis, this end direction of principal axis send the body longitudinally of yarn body to be parallel approximately with this, this automatic guide unit protrudes out in the axial end of this end and is provided with an automatic guide arm, this automatic guide arm end is provided with a guide arm guide eye, and this automatic guide unit is provided with one the 3rd guide eye and the 4th guide eye in the relative end in addition of this automatic guide arm, and this automatic guide arm can be with yarn amount changes in demand automatic deflection to change the position of this guide arm guide eye;

One yarn, this that send yarn body leading section from this goes into yarn guide arm and goes into the yarn presser device to be directed to the 3rd guide eye, and continues and wear around this varying-quantity yarn feeding wheel and this guide arm guide eye that arrives, again to the 4th guide eye and around to this quantitative yarn feeding wheel and yarn.
2. quantitative and variable yarn-feeding device according to claim 1 is characterized by: the end direction of principal axis that this automatic guide arm is located at this automatic guide unit send an end of yarn body rearward end direction toward this.
3. quantitative and variable yarn-feeding device according to claim 1, it is characterized by: this is gone on the yarn guide arm is to be provided with one first guide eye, and this send the below of yarn body to be provided with one second guide eye in addition.
4. quantitative and variable yarn-feeding device according to claim 1, it is characterized by: this device further is provided with a tension force fine-adjusting unit, this tension force fine-adjusting unit includes a waffle arm, this waffle arm is to be articulated on this main shaft, and be center and can locate turn with this main shaft, the end limit of this waffle arm is provided with a fine setting guide eye.
5. quantitative and variable yarn-feeding device according to claim 1, it is characterized by: the slightly larger in diameter of this varying-quantity yarn feeding wheel is in quantitative yarn feeding wheel.
One kind quantitatively and the variable yarn-feeding device, it includes:

One send the yarn body, be fixedly arranged on the round needle loom, and its leading section is provided with one and goes into yarn guide arm and go into the yarn presser device;

One driver element is arranged at this and send on the yarn body, and this driver element comprises a main shaft;

One yarn feeding wheel group, transmission link this main shaft of this driver element, and it comprises a varying-quantity yarn feeding wheel and quantitative yarn feeding wheel; It is characterized by:

One automatic guide unit, be located at this and send yarn body leading section below, the one end protrudes out and is provided with an automatic guide arm, and this automatic guide arm end is provided with a guide arm guide eye, and this automatic guide unit is provided with one the 3rd guide eye in the end in addition of this relative this automatic guide arm;

One tension force fine-adjusting unit includes a waffle arm, and this waffle arm is to be articulated on this main shaft, and is center and can locate turn with this main shaft, and the bottom side edge of this waffle arm is provided with a fine setting guide eye;

One yarn is linked between the 3rd guide eye, varying-quantity yarn feeding wheel, guide arm guide eye, fine setting guide eye and quantitative yarn feeding wheel; And this automatic guide arm has one to be changed and adjusts the deflection space position of this yarn and this varying-quantity yarn feeding wheel contact-making surface automatically according to this yarn demand.
7. quantitative and variable yarn-feeding device according to claim 6, it is characterized by: the slightly larger in diameter of this varying-quantity yarn feeding wheel is in quantitative yarn feeding wheel.
8. quantitative and variable yarn-feeding device according to claim 6, it is characterized by: this send the yarn body to have a body longitudinally, this automatic guide unit has an end direction of principal axis, and this send the body longitudinally system of yarn body to be parallel approximately with the end direction of principal axis of this automatic guide unit.
9. quantitative and variable yarn-feeding device according to claim 6, it is characterized by: this is arranged in the yarn of this guide arm guide eye already and is set around behind this varying-quantity yarn feeding wheel and wears one the 4th guide eye to this automatic guide unit, the yarn of the 4th guide eye is again behind the quantitative yarn feeding wheel 1-3 of the pile warp circle, the yarn through sending yarn body tip one first guide eye, Yarn Brake and terminal second guide eye, and this automatic guide arm can be with yarn amount changes in demand automatically deflection change the position of this guide arm guide eye, send the operator of yarn to reach variable.
10. quantitative and variable yarn-feeding device according to claim 6, it is characterized by: this is arranged in the yarn of this guide arm guide eye already and is set around behind this varying-quantity yarn feeding wheel and wears one the 4th guide eye to this automatic guide unit, the yarn of the 4th guide eye is the above back of quantitative yarn feeding wheel 3 circles of pile warp, the yarn through sending yarn body tip one first guide eye, Yarn Brake and terminal second guide eye again, to reach the operation of quantitatively sending yarn.