CN2466181Y

CN2466181Y - Yarn feeder adapted for different yarns

Info

Publication number: CN2466181Y
Application number: CN 00252943
Authority: CN
Inventors: 陈仁惠
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-11-15
Filing date: 2000-11-15
Publication date: 2001-12-19
Anticipated expiration: 2010-11-15

Abstract

The utility model relates to a novel yarn feeder which is suitable for different yarns. The utility model comprises a yarn feeder body, a driving mechanism which is arranged on the yarn feeder body and is provided with a rotary shaft which is axially arranged on the yarn feeder body in a permeating mode, and a plurality of belt pulleys which are pivoted on the rotary shaft, wherein a yarn feeding pulley set is provided with two or more than two yarn feeding pulleys; the other yarn guiding plate and a movable yarn guiding mechanism use a guiding yarn to contact the yarn feeding pulley set or move away from the yarn feeding pulley set so as to carry out yarn feeding action, and in this way, the pulley diameters of the yarn feeding pulleys continuously stop the yarn to be fed. The elastic friction belt of the yarn feeding pulleys can be avoided from being damaged, failures of yarn guiding arms can be avoided, or a state of the derailment of the yarn is avoided. A skid phenomenon does not exist, and the use and selective spaces of the yarn are large.

Description

Be suitable for the new yarn feeder of various yarns

The utility model is the new yarn feeder that is suitable for various yarns about a kind of, particularly about a kind of heavy twist yarn that makes when carrying out irregular yarn-feeding, can stablize smoothly and send yarn, and do not have skidding, weave stay in grade, simultaneously can be in response to various yarn properties, the new yarn feeder of the bigger suitable various yarns in space is selected in the use of yarn.

Yarn is organized more simple in the early time, generally all belong to than undertwisted yarn and the rough short fiber yarn of yam surface, therefore when irregular yarn-feeding, as long as with yarn with the half-turn winding on irregular yarn-feeding wheel, and utilize the surface of yarn feeding wheel and the frictional force that yarn is produced, can reach variable color and irregular yarn-feeding.So the low twist yarn is as long as cooperate single yarn feeding wheel can reach the purpose of sending yarn.Because neoid is for adapting to market cloth specimen demand miscellaneous, the character of yarn and structure organization produce greatly and change, and early stage trend generally is towards the superfine fibre development, and that the yam surface of superfine fibre is organized is comparatively smooth.Because the key of irregular yarn-feeding is, yarn be no more than a circle contacting of yarn feeding wheel periphery, in order to avoid knitting machine is knitting when eating yarn, causes yarn tension undesired, and then influence the stability of sending yarn.So further, moving with the yarn that send that adapts to the superfine fibre yarn just appears in the structure of two yarn feeding wheels (levels yarn feeding wheel), and set up the elastic-friction skin to increase frictional force at the yarn feeding surface of yarn feeding wheel, as shown in Figure 7, irregular yarn-feeding device includes a yarn-feeding device body 1, one is located at the driving mechanism on the body 1, it has a rotating shaft 4 and axially runs through and be arranged at this and send on the yarn body 1 and be hubbed at clutch 2 and most belt pulley 2A in this rotating shaft 4, one is positioned at body 1 below and is located at yarn feeding wheel group 3 in the rotating shaft 4, be located at a guide plate 5 of yarn feeding wheel group 3 sides, have two groups of guide eyes 6 on it, one presser device 9 is to be located at that an and movable yarn guiding mechanism 7 corresponding with belt pulley 2A is to be arranged at this yarn feeding wheel group 3 upsides on the opposite end of body 1, contact or leave this yarn feeding wheel group 3 in order to directing thread, to send the yarn action, this movable yarn guiding mechanism 7 is to be a guide arm, have the guide eye 8 corresponding on it with guide eye 6, as shown in the figure, this yarn feeding wheel group 3 is two groups, wherein yarn feeding wheel group 3 is two yarn feeding wheels, has the surface of elasticity circle body on the yarn feeding wheel; Aforementioned structure all can suitably solve the yarn that send of general traditional yarn, but for various new yarns such as superfine fibre or heavy twist yarn or moth yarns when carrying out irregular yarn-feeding or jacquard weave, these new yarns often can't send yarn smoothly, through the creator for a long time test and go into seriously its because of, be these new yarns not enough and then cause new yarn that skidding takes place on yarn feeding wheel on the yarn feeding wheel because of frictional force, cause and send the yarn instability, it is bad naturally to weave quality; Especially when the upper strata in irregular yarn-feeding wheel wheel footpath and lower floor with directly the time, yarn is when being woven, when yarn is eaten according to the demand that sets in knitting station, yarn tension one tension often made the input length of yarn deficiency of upper strata yarn feeding wheel and makes lower floor's yarn feeding wheel eat the yarn deficiency in moment, thereby the yarn that makes the upper strata yarn feeding wheel is absorbed in the elastic-friction intracutaneous and impaired, make guide arm 7 be subjected to the yarn active force simultaneously and deflection causes yarn to send yarn on non-correct yarn feeding wheel surface, even derailing send yarn that is input yarn length to be equal to or less than the length of output yarn, therefore the fault rate of guide arm is quite high in the past; Moreover in response to various yarn properties, double-deck yarn feeding wheel sometimes also can't satisfy one by one, the new yarn feeding wheel that still must dependence changes the outfit again and again cooperate as the heavy twist yarn send the yarn action, so very hard iron of limited space is selected in the use of yarn; That is general traditional yarn gets final product around a circle on the yarn feeding wheel that generally has frictional force, the superfine fibre active yarn then must be around two circles or more than two circles, frictional force must increase, other various new yarns are then needed around three circles or more than three circles, frictional force more needs to strengthen, and just can make new yarn obtain the normally stable yarn that send.

Main purpose of the present utility model provides a kind of higher yarn of surface flatness that supplies when carrying out irregular yarn-feeding, can stablize smoothly and send yarn, does not have skidding, weaves the new yarn feeder of stay in grade.

Of the present utility model time a purpose provides a kind of new yarn feeder that is suitable for various yarns, it is that the configuration mode that utilizes most yarn feeding wheel wheels footpath from top to bottom to successively decrease is reached, that is the input yarn length is forever greater than the output yarn length, can avoid the elastic-friction skin of yarn feeding wheel to be undermined the guide arm and send the yarn fault, or the yarn derailing send the situation of yarn to take place because of undesired.

Another purpose of the present utility model provides a kind of new yarn feeder that is suitable for various yarns can be in response to various novel yarn properties, and the use of yarn selects the space bigger.

Be suitable for the novel yarn feeding wheel of various yarns for achieving the above object, include a yarn-feeding device body, one driving mechanism, at least one yarn feeding wheel group, an one guide plate and a movable yarn guiding mechanism, wherein driving mechanism is to be arranged on this yarn-feeding device body and it has a rotating shaft and axially runs through and be arranged at this and send on the yarn body and be hubbed at most belt pulleys in this rotating shaft, and these yarn feeding wheel groups are to be hubbed in this rotating shaft and to be positioned at this yarn-feeding device body below, and this yarn feeding wheel group from top to bottom has first and second yarn feeding wheel, or have first, second and third yarn feeding wheel, or have first, second, the the 3rd and the 4th yarn feeding wheel; The guide plate is to contact or leave this yarn feeding wheel group in order to directing thread with movable yarn guiding mechanism in addition, to send the yarn action, wheel footpath by first yarn feeding wheel, the wheel footpath of second and third and the 4th yarn feeding wheel successively decrease continuously scratch and establish yarn and send yarn, can avoid the elastic-friction skin of yarn feeding wheel to be undermined the guide arm takes place undesired and fault, or the yarn derailing send the situation of yarn to take place, make the heavy twist yarn when carrying out irregular yarn-feeding, can stablize smoothly and send yarn, do not have skidding, weave stay in grade, simultaneously can be in response to the use of various new yarn properties, so the use of yarn selects the space bigger.

The utility model utilization has the wheel footpath maximum of sending the yarn or first yarn feeding wheel continuously of first to fourth yarn feeding wheel, the wheel footpath of second, third and the 4th yarn feeding wheel then dwindles its architectural feature of taking turns the footpath successively degressively and send yarn, to reach when carrying out irregular yarn-feeding, can be to the stable smoothly yarn that send of various yarns, do not have skidding, weave stay in grade, and the elastic-friction skin that can avoid yarn feeding wheel is undermined the easy fault of guide arm, or the yarn derailing send the situation of yarn to take place, and can be in response to various yarn properties, bigger purpose and the effect in space selected in the use of yarn.

In order further to understand feature of the present utility model and technology contents, please consult in detail following about detailed description of the present utility model and accompanying drawing, yet appended graphic only for reference and explanation usefulness are not that the utility model is done any restriction, about accompanying drawing is;

Description of drawings:

Fig. 1 is suitable for the three-dimensional part decomposing schematic representation of new yarn feeder first embodiment of various yarns for the utility model;

Fig. 2 is suitable for the solid combination schematic diagram of the new yarn feeder of various yarns for Fig. 1;

Fig. 3 is suitable for the schematic side view of the new yarn feeder of various yarns for Fig. 1;

Fig. 4 is suitable for the wheel footpath schematic diagram of new yarn feeder second embodiment of various yarns for the utility model;

Fig. 5 is the combination schematic diagram of the utility model the 3rd embodiment;

Fig. 6 is the perspective exploded view of Fig. 5;

Fig. 7 is the schematic diagram of traditional yarn feeding wheel.

Major part conventional letter: the wheel footpath of wheel footpath D4 the 4th Yarn feeding wheel of wheel footpath D3 the 3rd Yarn feeding wheel of wheel footpath D2 second Yarn feeding wheel of 10 yarn-feeding device bodies, 20 driving mechanisms, 21 rotating shafts, 22 belt pulleys, 30 Yarn feeding wheel groups, 31 first Yarn feeding wheels, 32 second Yarn feeding wheels 33 the 3rd Yarn feeding wheel, 40 thread boards, 41 guide eyes, 50 movable yarn guiding mechanisms, 51 guide arms, 52 guide eyes, 60 presser device Y yarn D1, first Yarn feeding wheel

Please consult Fig. 1 simultaneously, Fig. 2 is suitable for the three-dimensional part decomposing schematic representation and the three-dimensional combination schematic diagram of the new yarn feeder of various yarns for the utility model, the irregular yarn-feeding device that the utility model is suitable for the new yarn feeder of various yarns includes a yarn-feeding device body 10, one driving mechanism 20, one rotating shaft 21, at least one belt pulley 22, at least one yarn feeding wheel group 30, one guide plate 40, one movable yarn guiding mechanism 50 and one is located at goes into yarn presser device 60 on the support 70, wherein, this driving mechanism 20 is to be located on this yarn-feeding device body 10, and this rotating shaft 21 is axially to run through to be arranged on this yarn-feeding device body 10 and to be positioned at these body 10 tops to have at least a belt pulley 22 to be hubbed in this rotating shaft 10, being positioned at these body 10 belows then has at least a yarn feeding wheel group 30 to be located in this rotating

shaft

21,40 of this guide plates are installed in this body 10 bottoms with being positioned at these yarn feeding wheel group 30 1 sides, have most guide eyes 41 on it, use for yarns Y by entering this movable yarn guiding mechanism 50 and this yarn feeding wheel group 30, as shown in Figure 3, this movable yarn guiding mechanism 50 is to have a guide arm 51, it is the side that is arranged at this yarn feeding wheel group 30, contact or leave this yarn feeding wheel group 30 in order to directing thread Y, to send the yarn action; Have the guide eye 52 corresponding on this movable yarn guiding mechanism 50 with guide eye 41; In addition this presser device 60 be located on the opposite end of body 10 corresponding with belt pulley 22, use the guide eye 41 that passes this guide plate 40 for yarns Y, wherein, this yarn feeding wheel group 30 can be two groups or two groups and is divided in this rotating shaft 21 abovely, and has the elastic-friction skin on these

yarn feeding wheel

31,32,33 surfaces.

See also Fig. 3 is suitable for the new yarn feeder of various yarns for the utility model front elevational schematic and wheel footpath schematic diagram, another technical characterstic of the present utility model is the wheel footpath that wheel that this yarn feeding wheel group 30 from top to bottom has first, second, third

yarn feeding wheel

31,32,33 and first yarn feeding wheel 31 directly is slightly larger than second, third

yarn feeding wheel

32,33, and this second yarn feeding wheel 32 is taken turns the wheel footpath that the footpath is slightly larger than the 3rd yarn feeding wheel 33 again; As shown in the figure, the wheel of this first yarn feeding wheel 31 is D1 directly, and the wheel of this second, third

yarn feeding wheel

32,33 directly is respectively D2, D3, so D1＞D2＞D3; That is the wheel of this first yarn feeding wheel 31 footpath greater than this second, the 3rd

yarn feeding wheel

32,33 wheel footpath, and the wheel of second yarn feeding wheel 32 footpath is greater than the wheel footpath of the 3rd yarn feeding wheel 33, it has mainly acted on three, one for can avoid the elastic-friction skin of first yarn feeding wheel 31 impaired, two when avoiding guide arm 51 that deflections take place, cause yarns Y to send yarn easily on non-correct yarn feeding wheel surface, and then 51 damages of guide arm are broken down, three for avoiding taking place the situation of yarns Y derailing, because irregular yarn-feeding can't surpass a circle around yarn feeding wheel, eat yarn in order to avoid influence knitting machine, therefore yarns Y is around the yarn feeding wheel half-turn, more easily cooperate knitting machine to eat yarn and the yarns Y of collocation adjustment at any time tension force, so because extension of above-mentioned technological means, in another preferable enforcement of the utility model, yarn feeding wheel is not to be only limited in three, as shown in Figure 4, it is the design of three or three above yarn feeding wheels that another preferred embodiment of the utility model is about to the yarn feeding wheel improvement, so begin in response to the new physics character of current various new yarns Y of making rapid progress, simultaneously because increase one or more yarn feeding wheel, the contact-making surface that makes yarns Y on yarn feeding wheel is increased, friction length increases and the length of yarns Y winding increases, so yarns Y is uneven because of surface texture, moth yarn for example, or because of surface texture too smooth, friction is that number is very little, heavy twist yarn for example, yarn when sending yarn and the contact surface of yarn feeding wheel very little, the equal phenomenons that can avoid yarns Y on yarn feeding wheel, to skid; Therefore, according to various yarns Y characteristics as traditional yarn can be around guide eye 41, first yarn feeding wheel, 31 1 circles, guide eye 52 promptly enters knitting machine, or as be that the superfine fibre active yarn then can be around guide eye 41, first, second

yarn feeding wheel

31,32 totally two enclose (still having relative guide eye of pile warp 41 and guide eye 52 therebetween), guide eye 52 promptly enters knitting machine, or as be heavy twist yarn (or moth yarn) Y then need around guide eye 41, first, second and third

yarn feeding wheel

31,32,33 totally three enclose (still having relative guide eye of pile warp 41 and guide eye 52 therebetween), guide eye 52 promptly enters knitting machine, certainly, special smooth surface yarn also can the rest may be inferred, via first to fourth yarn feeding wheel 31-34, (even through the yarn feeding wheel more than four) and relevant supporting guide eye 41 thereof and 51 and enter knitting machine as shown in Figure 4.So can select the number of yarn feeding wheel, thereby obtain the non-slip stable yarn that send according to the characteristic of various different yarns Y; So the utility model uses the selection space of the kind of yarn significantly to promote; And a so-called herein circle, two circles or three circles are meant and walk around yarn feeding wheel; Combine it, successively decrease successively and dwindle in the wheel footpath of the wheel of the utility model first yarn feeding wheel 31 footpath maximum second and third and the 4th

yarn feeding wheel

32,33,34, the length of the input yarn of feasible yarn feeding wheel from top to bottom is forever greater than the length of exporting yarn, it is smooth and easy stable so can to reach the yarn feeding wheel operation, the guide arm also can place the effect of correct yarn feeding wheel circumferential surface, and does not consider the generation skidding when using the moth yarn of heavy twist or smooth surface yarn or irregular surface.

General yarn is through the guide eye 52 of the guide eye 41 of presser device 60 on guide plate 40 through guide arm 51, and by the yarn situation of eating that knitting machine sets, and makes yarns Y produce tension force and mobile guide arm 51 enters or break away from yarn feeding wheel group 30.When sending yarn for general traditional yarns Y, the utility model can use first yarn feeding wheel 31 to get final product, also be about to yarns Y and walk around this first yarn feeding wheel, 31 half-turns, because general yarns Y mantle friction is that number is bigger, and yarn feeding wheel 31 surperficial flexible circle bodies are done anti-skid, so frictional force is bigger, be difficult for skidding, therefore can stablize smoothly and send yarn.

When sending yarn for superfine fibre active yarn Y, the utility model can use first yarn feeding wheel 31 and second yarn feeding wheel 32, also be about to yarns Y and walk around this first and second

yarn feeding wheel

31,32, because superfine fibre active yarn surface is more smooth, therefore the yarn feeding wheel surface must increase contact area and frictional force by second yarn feeding wheel 32, skid avoiding, send yarn and can stablize smoothly.

When being heavy twist yarns Y when sending yarn, use the frictional force of first yarn feeding wheel 31 and second yarn feeding wheel 32, the heavy twist yarns Y is reached sent yarn smoothly, in addition the time skidding is arranged, have a strong impact on and weave quality; Therefore the utility model improvement increases the 3rd yarn feeding wheel 33 and the 4th yarn feeding wheel 34, also be about to yarn and walk around this first, second, third

yarn feeding wheel

31,32,33 and the 4th yarn feeding wheel 34, because heavy twist yarns Y surface is more smooth, therefore must increase contact area and frictional force by the yarn feeding wheel more than three or three, skid avoiding, send yarn and can stablize smoothly.

The utility model the 3rd embodiment such as Fig. 5, shown in Figure 6, establish one in body top and go into yarn presser device 60 and 60a and guide eye 71 and 71a with the yarn feeding wheel number is corresponding, then set up yarn side presser device 83 in body lower end yarn side, 83a and corresponding guide eye 84,84a, these presser devices 83,83a and guide eye 84,84a is provided in a side of on the second guide plate 82, guide plate 82 is to be placed on knitting the aluminium ring 90 with as shown in Figure 5 hook portion 81-81, the locking of fixed screw (not shown) on the mat yarn-feeding device body is on the yarn-feeding device body again, so that organize yarns Y more, when weaving simultaneously, can weave in good order Y1, surplus person's structure is same as first embodiment, and relevant explanation is omitted.

Should illustrate around here, the structure of textile fabric and the research and development of character are maked rapid progress with progressive, for making irregular yarn-feeding or jacquard weave operation be able to stably carry out smoothly, yarn feeding wheel group of the present utility model is not the upper limit with four groups, can increase according to the size of the surface flatness of actual yarn, and make each yarn feeding wheel wheel from top to bottom alignment arrangements of directly being successively decreased.

Claims

1. new yarn feeder that is suitable for various yarns is characterized in that this device comprises:

One yarn-feeding device body;

One driving mechanism is to be arranged on this yarn-feeding device body, and it has a rotating shaft and axially runs through and be arranged at this and send on the yarn body and be hubbed at most belt pulleys in this rotating shaft;

Having a yarn feeding wheel group at least, is to be hubbed in this rotating shaft and to be positioned at this yarn-feeding device body below, and this yarn feeding wheel group from top to bottom has first and second, or the yarn feeding wheel more than two, and this first yarn feeding wheel wheel footpath is maximum, and second takes turns the footpath to the N yarn feeding wheel then successively decreases successively

One guide plate, be with respect to this yarn feeding wheel group be located at this yarn-feeding device body below, be laid with several guide eyes on it,

One movable yarn guiding mechanism is to be arranged at this yarn feeding wheel group side.

2. the new yarn feeder that is suitable for various yarns according to claim 1 is characterized in that this yarn feeding wheel number is good with three.

3. the new yarn feeder that is suitable for various yarns according to claim 1 is characterized in that this yarn feeding wheel number is good with four.

4. the new yarn feeder that is suitable for various yarns according to claim 1 is characterized in that this movable yarn guiding mechanism is to have a guide arm, has the most guide eyes with the corresponding number of most yarn feeding wheels on it.

5. the new yarn feeder that is suitable for various yarns according to claim 1, it is characterized in that, this yarn-feeding device still includes one and is located at one group of most presser device that yarn-feeding device is gone into the yarn side, and these presser devices are to be located on the body, and its number is corresponding with yarn feeding wheel group number.

6. the new yarn feeder that is suitable for various yarns according to claim 1 is characterized in that the yarn side of this yarn-feeding device further comprises corresponding to corresponding yarn presser device of yarn feeding wheel group number and guide eye.