CN204509622U - One prevents tight twist yarn unwinding circle compression apparatus - Google Patents
One prevents tight twist yarn unwinding circle compression apparatus Download PDFInfo
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- CN204509622U CN204509622U CN201420834916.2U CN201420834916U CN204509622U CN 204509622 U CN204509622 U CN 204509622U CN 201420834916 U CN201420834916 U CN 201420834916U CN 204509622 U CN204509622 U CN 204509622U
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- yarn
- outlet roller
- damping ring
- ring
- compression apparatus
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Abstract
The utility model provides one to prevent tight twist yarn unwinding circle compression apparatus from comprising: yarn outlet roller, cylinder yarn and damping ring, cylinder yarn is sleeved on yarn outlet roller, damping ring is sleeved on the yarn outlet roller above a yarn, and yarn is drawn between yarn outlet roller and damping ring.Weft accumulator is introduced again through guide ring.Use of the present utility model prevent tight twist yarn unwinding circle compression apparatus after, tight twist yarn produces circle contracting phenomenon when tight twist yarn can be avoided to cause weft accumulator by the unwinding of cylinder yarn without the need to sizing, greatly reduce technological process, production cycle and producing cost remain again the characteristic of yarn better.
Description
Technical field
The utility model relates to a kind of textile apparatus, particularly relate to prevent tight twist yarn from cylinder yarn during unwinding produce circle contracting prevent tight twist yarn unwinding circle compression apparatus.
Background technology
When tight twist yarn comprises spinning, the twist is twisted with the fingers to identical twine apparently higher than the single thread of common twist per unit and adopting when doubling doubling twisting with single thread.Tight twist yarn uses and fabric can be made to have special feel and outward appearance in fabric, and uses in garment material more and more.But because tight twist yarn inside has very strong internal stress, under relaxed state, very easily retraction twists with the fingers circle.Relatively more even in order to ensure the yarn tension introduced when no matter being used in Weft knitting or woven weft yarn, usual unwinding yarn to weft accumulator, then is drawn from weft accumulator and is used.Conventional yarns all can normally work, but circle contracting is very easily produced for tight twist yarn, as shown in Figure 4, in order to head it off, current traditional method carries out hot and humid sizing to it before upper machine, weakens internal stress in yarn, avoid the looping that bounces back, traditional method has the negative effect of two aspects: 1): warm and humid sizing adds expense and extends the production cycle 2): at us based in the fabric design of wrinkling appearance effect, the weakening of internal stress also just weakens wrinkling appearance effect simultaneously.A lot of professional person also tries to explore how to eliminate prepattern tight twist yarn circle contracting phenomenon by the device adding designed, designed in production practices in the industry simultaneously, attempts to reach the object cancelled sizing and directly use.But some problems of designed device existence all in various degree, be summed up as substantially: 1) device can not operate at all, say nothing of and dealt with problems 2) device can operate, but just improve and thoroughly can not solve 3) device can deal with problems, but complex structure, there is requirement to wound packages form, and need to carry out repeatedly manual adjustment, complicated operation in cylinder yarn gradually use procedure from big to small.
Summary of the invention
It is simple that the purpose of this utility model is to provide a kind of structure, adapt to wide, the device of circle contracting phenomenon is produced when can thoroughly prevent the tight twist yarn without sizing from causing weft accumulator by the unwinding of cylinder yarn, the use of this device can be saved and traditional is used in the hot and humid sizing program before Weft knitting or woven weft yarn to tight twist yarn, has not only reduced operation and production cost but also can retain the feature of tight twist yarn to greatest extent.
For achieving the above object, the technical solution adopted in the utility model is: one prevents tight twist yarn unwinding circle compression apparatus, its innovation is to comprise yarn outlet roller, cylinder yarn and damping ring, cylinder yarn is sleeved on yarn outlet roller, damping ring is sleeved on yarn outlet roller, and yarn is drawn between yarn outlet roller and damping ring.
Also comprise mechanism's seat, support and damping ring positioning rope, yarn outlet roller and support are all fixed on mechanism's seat, and damping ring positioning rope one end is connected with damping ring, and the other end is connected with support.
Described support is provided with adjustment and colludes with component, and the other end of described damping ring positioning rope is colluded with component with adjustment and is connected.
Described damping ring is that elastomeric material is made.
Described adjustment is colluded with component and is comprised adjustable ring, rope hook and holding screw, and rope hooks and is fixedly connected with adjustable ring, and adjustable ring is provided with radial tapped through hole.
In order to adapt to a situation for yarn yaw, the utility model also comprises back-up ring and the second tightening silk, shield ring sleeve is loaded on yarn outlet roller and cylinder yarn upper bottom surface offsets, and be tightened by the second tightening silk, described yarn outlet roller is also provided with annular arc groove, damping ring is placed in annular arc groove, has certain interval between arc groove and damping ring, and yarn is drawn by this gap.
The beneficial effects of the utility model are:
1): yarn points to cylinder yarn center line from cylinder yarn lead direction, to have angle θ with cylinder yarn bus L, when yarn exits and cylinder yarn surface just will produce certain frictional force, both the generation that yarn exits air ring arc in process had been avoided, yarn is made again to keep some tension to exit, θ is larger, exits tension force larger.
2): under the effect of damped ring and cord roller, yarn lead-out mode can be analyzed to: the screw line of spiral surrounding cord roller moves+unwinding of screw line rotation+screw line and disappearing brokenly after skidding off yarn cord roller, yarn outlet roller also remains certain tension force with under the cooperation of the yarn tensioner on weft accumulator between weft accumulator, and yarn cannot bounce back lopping.
The utility model solves in traditional tight twist yarn unwind process with simple constructional device and occurs retraction looping problem, the weft accumulator that can be directly used in Weft knitting or woven weft yarn without the need to carrying out hot and humid sizing to it is introduced, both save technological process and producing cost, maintain again the style that property of raw material maintains fabric further.
Accompanying drawing explanation
Fig. 1: structural representation of the present utility model;
Fig. 2: be that Fig. 1 prevents tight twist yarn unwinding circle compression apparatus working state structure schematic diagram;
Fig. 3: be I enlarged drawing in Fig. 2;
Fig. 4: be traditional cylinder yarn, yarn, weft accumulator graph of a relation;
Fig. 5: the structural representation being another embodiment of the utility model;
Fig. 6: be II enlarged drawing in Fig. 5;
Fig. 7: the working state schematic representation being Fig. 5 structure.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is further described.
Embodiment one
See Fig. 1 ~ Fig. 3, one prevents tight twist yarn unwinding circle compression apparatus 1, comprise yarn outlet roller 1-2, cylinder yarn 0-1 and damping ring 1-3, cylinder yarn 0-1 is sleeved on yarn outlet roller 1-2, damping ring 1-3 is sleeved on yarn outlet roller 1-2, and yarn 2 is drawn between yarn outlet roller 1-2 and damping ring 1-3.
Also comprise mechanism seat 1-1, support 1-4 and damping ring positioning rope 1-5, yarn outlet roller 1-2 and support 1-4 are all fixed on mechanism seat 1-1, damping ring positioning rope 1-5 one end is connected with damping ring 1-3, and the other end is connected with support 1-4.
See Fig. 3, described support 1-4 is provided with adjustment and colludes with component 1-6, described damping ring static line 1-5 one end is connected in damping ring 1-3, the other end is not directly be connected with support 1-4 but collude with component 1-6 by the adjustment of being fixed on support to be connected, described adjustment is colluded with component 1-6 and is comprised adjustable ring 1-6-1, rope hook 1-6-2 and holding screw 1-6-3, rope hooks 1-6-2 and is fixedly connected with adjustable ring 1-6-1, and adjustable ring 1-6-1 is provided with radial tapped through hole 1-6-4.The other end of described damping ring static line 1-5 is fixedly connected on rope and hooks on 1-6-2, hooking with rope the adjustable ring 1-6-1 that 1-6-2 is fixed as one is sleeved on support 1-4, and fixed by radial tapped through hole 1-6-4 holding screw 1-6-3, therefore the upper-lower position realization of component 1-6 on support 1-4 can be colluded with to the upper-lower position of damping ring 1-3 on yarn outlet roller 1-2, better to adapt to the needs of the yarn raw material of different size by regulating.
Described damping ring is elastomeric material, has less modification coefficient and good anti-wear performance.In the present embodiment, damping ring 1-3 selects common rubber band, is applicable to the fiber-like heavy twist yarn flexible good to cotton, sticky, spun silk etc.; If for comparatively large to contact object impact and friction in the fiber-like heavy twist yarn movement that crudefiber crop rigidity is large, damping ring also can make close circle ring spring by wear-resisting rustproof spring steel class material.
Of the present utility modelly prevent tight twist yarn unwinding circle compression apparatus principle:
The yarn that Fig. 4 shows traditional Weft knitting or woven weft yarn causes weft accumulator part-structure figure from cylinder yarn, cylinder yarn 0-1 is directly placed on creel 0-0, yarn 2 causes weft accumulator 0-3 through guide ring 0-2, the effect of weft accumulator keeps yarn to keep more uniform tension force being introduced in Weft knitting system or woven wefting insertion process, increases the reliability of work.The work of weft accumulator is step, yarn storage process be actually from static → accelerate → at the uniform velocity → slow down → static, go round and begin again.So yarn from cylinder yarn draw dump to the process of weft accumulator in fact also follow from static → to accelerate → at the uniform velocity → slow down → static Changing Pattern, in speed change, under forming the factor impact of fluctuation air ring etc. under the effect of inertia and centrifugal force, the yarn that unwinding goes out often is in relaxed state, any materially affect can not be produced for non-heavy twist class yarn, but for heavy twist yarn, because its internal stress is larger, will to being more conducive to internal balance state transfer under relaxed state, so local occurs that yarn 2 circle contracts oppositely be merged into line, cannot pull open by simply imposing tension force when internal stress is comparatively large and circle contracting is formed.
Fig. 1, show the yarn of tight twist yarn unwinding circle compression apparatus, Weft knitting or woven weft yarn that prevents of the present utility model and cause weft accumulator part-structure schematic diagram from cylinder yarn, be placed in by cylinder yarn 0-1 and prevent tight twist yarn unwinding circle compression apparatus 1, yarn 2 leads to weft accumulator 0-3 between yarn outlet roller 1-2 and damping ring 1-3.Yarn 2, under the effect of yarn outlet roller 1-2 and damping ring 1-3, forms screw line and exports, and not only having maintained tin has had certain additional tension but also largely reducing air ring formation condition between yarn 0-1 and weft accumulator 0-3, thus avoids yarn 2 and occur circle contracting.
By reference to the accompanying drawings 2 and heavy twist unwinding circle contracting the origin cause of formation briefly explain the operation principle and process that prevent tight twist yarn unwinding circle compression apparatus 1 further, tight twist yarn is from reason cylinder yarn producing circle contracting during unwinding: there is very strong internal stress internal cause tight twist yarn inside, there is the trend of the state transfer diminished to internal stress consumingly, relaxed state is very easily there is in external cause yarn from the yarn yarn that affects of the air ring that yarn cylinder is formed due to centrifugal force during unwinding and the factor such as inertia, once occur relaxed state namely can produce local unwinding circle contracting and form natural secondary and become line, weaken internal stress by this way.Warm and humid sizing is also in weakening because the mode of dealing with problems, and attachment means mode is mainly with attempting to yarn with certain unwinding tension, does not give the mode of dealing with problems for external cause of the chance of Yarn relaxation all the time.To the mode difficult point that external cause is dealt with problems be: will some tension be had from the unwinding point of yarn, and unwinding point constantly changes in unwind process, in addition cylinder yarn is constantly diminishing along with the volume that constantly exits of yarn, mostly be again speed change and exit situation, how can remain that yarn has some tension under the condition of this complexity?
Prevent tight twist yarn unwinding circle compression apparatus 1 principle:
1. the storage latitude process of weft accumulator 0-3 be static → accelerate → at the uniform velocity → slow down → static, go round and begin again, it provide yarn 2 from unwinding power cylinder yarn 0-1, also determine simultaneously yarn rate of withdraw V3 also will follow static → to accelerate → at the uniform velocity → slow down → static, go round and begin again.
2. yarn 2 is from unwinding cylinder yarn 0-1, because cylinder yarn 0-1 itself is static, yarn 2 was from every unwinding cylinder yarn 0-1 one week, yarn 2 will form a circle and hold on yarn outlet roller 1-2, if yarn 2 is ω 1 from unwinding angular speed cylinder yarn, unwinding radius is r1, and yarn 2 enters yarn outlet roller situation and is: it is ω 2 that yarn 2 forms the angular speed held on yarn outlet roller 1-2, and holding radius is r2. then ω 1=ω 2; R1 is relevant with cylinder yarn 1-0 size; The diameter of r2=yarn outlet roller 1-2.
3. yarn 2 goes out yarn outlet roller situation and is: go out linear velocity V3 ≈ V1+V2+ ω 3r3+V4, V1 is that yarn 2 forms the upper translational speed of screw line at yarn outlet roller 1-2, V2 is along the sliding velocity of hand of helix relative to yarn outlet roller 1-2, ω 3 is the unwinding angular speed relative to yarn outlet roller 1-2, V4 is the equivalent speed disappeared brokenly after screw line skids off yarn cord roller, r3 is its unwinding radius, r3 ≈ r2.
Prevent tight twist yarn unwinding circle compression apparatus 1 dynamic duty process: yarn 2 is drawn in turn through damping ring 1-3 from cylinder yarn 0-1, and guide ring 0-2 causes weft accumulator 0-3, weft accumulator 0-3 rotates and stores yarn 2, draws yarn 2 from unwinding cylinder yarn 0-1 simultaneously.Yarn 2 every unwinding one loop yarn line 2 on cylinder yarn 0-1 corresponding increase by will enclose screw type winding on yarn outlet roller 1-2, and the frictional resistance effect of damped ring 1-3 and yarn outlet roller 1-2 is subject to through the yarn 2 damping ring 1-3 and yarn outlet roller 1-2, the unwinding angular velocity omega 3 of yarn 2 is made to lag behind ω 1 on the one hand, another side, yarn 2 will be forced on yarn outlet roller 1-2 to produce slippage, and the speed of slippage can be analyzed to speed the V1 straight up and speed V2 along yarn spirals line tangential direction.As ω 3< ω 1, the screw type of yarn 2 on yarn outlet roller 1-2 is wound around the number of turns will be increased gradually, and along with being wound around the increase of the number of turns, the skid resistance of yarn 2 on yarn outlet roller 1-2 increases with this, skid resistance increases then will make again ω 3 increase; As ω 3> ω 1, the screw type winding number of turns of weft yarn 2 on yarn outlet roller 1-2 will reduce gradually, and along with being wound around the minimizing of the number of turns, the skid resistance of weft yarn 2 on yarn outlet roller 1-2 reduces with this, and skid resistance reduces then to make again ω 3 reduce.Thus the screw type winding number of turns of weft yarn 2 on yarn outlet roller 1-2 can be kept to fluctuate within the specific limits, ensure that mechanism runs stable.Combination principle and dynamic analysis process supplement and provide a relational expression: ω 1r1 ≈ ω 2r2+V1+V2.
Embodiment two
See accompanying drawing 5, Fig. 6, Fig. 7, the situation below with regard to cylinder yarn 0-1 yaw is described preventing the structure of tight twist yarn unwinding circle compression apparatus.
See accompanying drawing 5, Fig. 6, one prevents tight twist yarn unwinding circle compression apparatus, comprise yarn outlet roller 1-2, cylinder yarn 0-1 and damping ring 1-3, cylinder yarn 0-1 is sleeved on yarn outlet roller 1-2, damping ring 1-3 is sleeved on the yarn outlet roller 1-2 above a yarn 0-1, and yarn 2 is drawn between yarn outlet roller 1-2 and damping ring 1-3.
Also comprise the first tightening silk 1-2-5, back-up ring 1-2-3 and the second tightening silk 1-2-4, back-up ring 1-2-3 is set in yarn outlet roller 1-2 and cylinder yarn 0-1 upper bottom surface offsets, and be tightened by the second tightening silk 1-2-4, described yarn outlet roller 1-2 is also provided with annular arc groove 1-2-2, damping ring 1-3 is placed in annular arc groove 1-2-2, have certain interval between arc groove 1-2-2 and damping ring 1-3, yarn is drawn by this gap.
See accompanying drawing 7, the equipment of tight twist yarn unwinding circle compression apparatus in use cylinder yarn 0-1 yaw that prevents of the present utility model is furnished with pendulum creel 1-1 usually, comprises support body 1-1-1 and pendulum yarn axle 1-1-2, cylinder yarn 0-1 are placed on pendulum yarn axle 1-1-2.Prevent tight twist yarn unwinding circle compression apparatus 1 from directly can use pendulum creel 1-1, yarn outlet roller 1-2 is fixed on pendulum creel 1-1, and damping ring 1-3 is placed on yarn outlet roller 1-2.
In order to better use and keep former frame, the first tightening silk 1-2-5 is used for anchor yarns outlet roller 1-2 and pendulum yarn axle 1-1-2 relative position, can adjust the effective length of yarn outlet roller 1-2 as required simultaneously.
The utility model is provided with back-up ring 1-2-3 and the second tightening silk 1-2-4, and after cylinder yarn 0-1 sets, back-up ring 1-2-3 is set in yarn outlet roller 1-2 and moves near cylinder yarn 0-1, is tightened by the second tightening silk 1-2-4.Play is produced when cylinder yarn 0-1 is too light when object to prevent on a yarn 0-1 weft yarn 2 seldom.
In order to adapt to a yarn 0-1 yaw, the utility model is also provided with annular arc groove 1-2-2 to yarn outlet roller 1-2, damping ring 1-3 is placed in annular arc groove 1-2-2, certain interval is had between arc groove 1-2-2 and damping ring 1-3, yarn is drawn by this gap, because damping ring 1-3 is placed in annular arc groove 1-2-2, realize the control to the upper-lower position of damping ring 1-3 on yarn outlet roller 1-2.This structure is very convenient, can dismounting at any time as required.
The utility model solves traditional weft insertion system leading in weft accumulator process heavy twist yarn and occurs retraction looping problem, the weft accumulator that can be directly used in Weft knitting or woven weft yarn without the need to carrying out hot and humid sizing to it is introduced, both save technological process and producing cost, maintain again the style that property of raw material maintains fabric further.
Claims (6)
1. one kind prevents tight twist yarn unwinding circle compression apparatus, it is characterized in that: comprise yarn outlet roller (1-2), cylinder yarn (0-1) and damping ring (1-3), cylinder yarn (0-1) is sleeved on yarn outlet roller (1-2), damping ring (1-3) is sleeved on yarn outlet roller (1-2), and yarn (2) is drawn between yarn outlet roller (1-2) and damping ring (1-3).
2. according to claim 1ly prevent tight twist yarn unwinding circle compression apparatus, it is characterized in that: also comprise mechanism's seat (1-1), support (1-4) and damping ring positioning rope (1-5), yarn outlet roller (1-2) and support (1-4) are all fixed on mechanism's seat (1-1), damping ring positioning rope (1-5) one end is connected with damping ring (1-3), and the other end is connected with support (1-4).
3. according to claim 2ly prevent tight twist yarn unwinding circle compression apparatus, it is characterized in that: described support (1-4) is provided with adjustment and colludes with component (1-6), the other end and the adjustment of described damping ring positioning rope (1-5) are colluded with component (1-6) and are connected.
4. according to claim 1ly prevent tight twist yarn unwinding circle compression apparatus, it is characterized in that: described damping ring (1-3) is made for elastomeric material.
5. according to claim 3ly prevent tight twist yarn unwinding circle compression apparatus, it is characterized in that: described adjustment is colluded with component (1-6) and comprised adjustable ring (1-6-1), rope hook (1-6-2) and holding screw (1-6-3), rope hooks (1-6-2) and is fixedly connected with adjustable ring (1-6-1), and adjustable ring (1-6-1) is provided with radial tapped through hole (1-6-4).
6. according to claim 1ly prevent tight twist yarn unwinding circle compression apparatus, it is characterized in that: also comprise back-up ring (1-2-3) and the second tightening silk (1-2-4), back-up ring (1-2-3) is set in yarn outlet roller (1-2) and offsets with cylinder yarn (0-1) upper bottom surface, and be tightened by the second tightening silk (1-2-4), described yarn outlet roller (1-2) is also provided with annular arc groove (1-2-2), damping ring (1-3) is placed in annular arc groove (1-2-2), have certain interval between arc groove (1-2-2) and damping ring (1-3), yarn is drawn by this gap.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420834916.2U CN204509622U (en) | 2014-12-25 | 2014-12-25 | One prevents tight twist yarn unwinding circle compression apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420834916.2U CN204509622U (en) | 2014-12-25 | 2014-12-25 | One prevents tight twist yarn unwinding circle compression apparatus |
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| CN204509622U true CN204509622U (en) | 2015-07-29 |
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| CN201420834916.2U Active CN204509622U (en) | 2014-12-25 | 2014-12-25 | One prevents tight twist yarn unwinding circle compression apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499170A (en) * | 2014-12-25 | 2015-04-08 | 东嘉麻棉(常州)有限公司 | Strong twisted yarn unwinding and contraction prevention device |
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2014
- 2014-12-25 CN CN201420834916.2U patent/CN204509622U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499170A (en) * | 2014-12-25 | 2015-04-08 | 东嘉麻棉(常州)有限公司 | Strong twisted yarn unwinding and contraction prevention device |
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