CN104968844B - The crimping device of fibre bundle and the manufacture method of crimped fibre bundle - Google Patents
The crimping device of fibre bundle and the manufacture method of crimped fibre bundle Download PDFInfo
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- CN104968844B CN104968844B CN201380072204.XA CN201380072204A CN104968844B CN 104968844 B CN104968844 B CN 104968844B CN 201380072204 A CN201380072204 A CN 201380072204A CN 104968844 B CN104968844 B CN 104968844B
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- tow
- roller
- fibre bundle
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- width
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/12—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes
Abstract
Be pressed in a pair of fibre bundle the tow introduction part (10) of roller ratio above-mentioned press-in roller (1,2) roll point (9) upstream side, tow width limiting unit (10a) that configuration is made up of sheet material, the direction of travel leading section of the sheet material is acute angle the shape in substantially isosceles triangle, and then the tow that the fiber for preventing fibre bundle (8) stretches out is stretched out preventing portion (11a) configuration in the roller side for rolling point (9) for including above-mentioned a pair of press-in roller (1,2) by tow width limiting unit (10a).It is below 12mm, more than 0.2mm to make press-in roller width A and prevent the difference that stretches out between the internal face with pressing plate (15) apart from B for a pair, and so that tow width limiting unit (10a) front end and the distance between point (9) C that rolls of press-in roller (1,2) is below 22mm, be more than 0mm.
Description
Technical field
The present invention relates to the press-in crimping device of fibre bundle of curling that fibre bundle applying is buckled and the manufacturer of fibre bundle
Method, more specifically, is related to applying the excellent and energy continuous effective of running operation when crimping by being pressed into the fibre bundle of roller
The crimping device of the undamaged crimped fibre bundle of ground production and the method for continuous production of crimped fibre bundle.
Background technology
As the mode for applying curling to fibre bundle, the crimping device for employing press-in roller is widely used, employs the pressure
The crimping device for entering roller is pressed into curling room so as to make crimped fibre bundle by making fibre bundle by a pair of press-in roller.For profit
Crimped fibre bundle is made with the device, then need press-in roller to hold fibre bundle with predetermined holding pressure, pressed by a pair
Enter the fibre bundle that roller clamps to extend to both sides between the press-in roller.In order to prevent will be from the left and right sides of the press-in roller
The stretching out of the fibre bundle that face is stretched out, the two sides that rolls near a little of the holding fibre bundle in press-in roller are with pressure contact pressing plate
(sliding panel), due to the direction press-in roller both sides of fibre bundle the load continuous that cause of rotation for stretching out pressure and press-in roller while
Be applied on fibre bundle, therefore the pressing plate there is the process of the duration of runs with crimping device and pressing plate with asking that channel-shaped is worn and torn
Topic.
If the abrasion of pressing plate continues, there is fibre bundle and be hung in the wear and disconnect or fibre bundle generation inequality
The harmful effect of the quality to crimped fibre bundle of even curling etc.Therefore, it is desirable to obtain maintain predetermined curling quality
Crimped fibre bundle, then need periodically to change pressing plate and press-in roller.Have to fill curling to carry out the replacing
Stopping is put, causes the production efficiency of crimped fibre bundle to reduce along with the stopping.Therefore, being strongly desired to develop to improve
The apparatus and method that the production efficiency of crimped fibre bundle reduces.
Based on this background, such as in Japanese Unexamined Patent Publication 49-42249 publication (patent document 1), in fibre bundle
Configure in a part for the sliding surface of a pair of the pressing plate (sliding panel) being close to the two sides of a pair of press-in roller in crimping device resistance to
The excellent material of scorification, configures the material of high abrasion resistance on other sliding surfaces with bunch fiber except the part
Matter, so as to make composite construction, makes to be configured with the surface of the excellent material of resistance to scorification higher than the material for being configured with high abrasion resistance
The surface of matter.As a result, will not produce the scorification with pinch roll, and the abrasion caused by tow is significantly reduced, and will not be produced
The confusion of curling and broken string etc. and long-term operating can be carried out.
In addition, for example in Japanese Unexamined Patent Publication 50-77554 publication (patent document 2), by will be pressed into roller at least
Surface is made up of alloy tool steel, is significantly improved so as to its life-span compared with stainless steel (SUS420), and with superhard alloy phase
Processed so as to easy than non-friable and excellent processability, machining accuracy is improved.In addition, for example according to Japanese Unexamined Patent Publication 51-
No. 43653 publications (patent document 3) and Japanese real public clear 52-13391 publication (patent document 4), by slide (pressing plate)
The rolling a little and configure of center deviation roller, slide (pressing plate) can be rotated freely around its center.Thereby, it is possible to prevent sliding panel
Abrasion.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 49-42249 publication
Patent document 2：Japanese Unexamined Patent Publication 50-77554 publication
Patent document 3：Japanese Unexamined Patent Publication 51-43653 publication
Patent document 4：The real public clear 52-13391 publication of Japan
Content of the invention
Problems to be solved by the invention
Although however, these schemes pressing plate (sliding panel) or press-in roller life in terms of can assert effect,
It is not to be inherently eliminated pressing plate, press-in roller, fibre bundle friction Producing reason each other, confusion crimped in suppression etc
Crimped fibre bundle abnormal quality in terms of cannot obtain sufficient effect.
The present invention is made to eliminate this problem, and its specific purpose is that offer one kind can be fundamentally
Pressing plate, press-in roller, fibre bundle friction Producing reason each other is eliminated, and the fiber of high-quality crimped fibre bundle can be manufactured
The press-in crimping device of bundle and the manufacture method of crimped fibre bundle.
The technical scheme of solve problem
The present inventor etc. be independent of the more difficult method of the life of pressing plate etc in this press-in crimping device and
The behavior of the danger of pressing plate is changed in the operating of device, there is the structure that can fundamentally improve these problems in order to develop
Crimping device and the result attentively studied, find to pass through to arrange tow width limiting unit before press-in roller, can develop not
The crimping device of the fibre bundle for crimping a problem that abrasion that is chaotic and being difficult to produce pressing plate and breakage of fibre bundle can be produced
And method, complete the present invention.
That is, first basic structure of the present invention is a kind of press-in crimping device of fibre bundle, is the press-in curling dress of tow
Put, the preventing from stretching out and use pressing plate of two sides configuration tow of roller is pressed in a pair of tow, is pressed into the rear portion of roller in a pair of tow
Configuration crimper, makes the fibre bundle of continuous supply be pressed between roller by above-mentioned a pair of tow and be pressed into above-mentioned crimper, to fibre
Dimension bundle applies curling, and the preventing from stretching out of above-mentioned tow possesses with pressing plate：The tow introduction part in press-in roller is configured, limits fibre bundle
Tow width a pair of tow width limiting unit；And from tow introduction part to the tow leading-out portion of above-mentioned press-in roller join
Put, prevent the tow for stretching out of tow from preventing portion is stretched out, above-mentioned tow width limiting unit is made up of sheet material, its tow introduction part side
Be in the wedge shape of substantially isosceles triangle with direction of travel leading section as acute angle, the roller width A of above-mentioned press-in roller with above-mentioned a pair
(1) formula between the internal face of tow width limiting unit below B satisfaction,
12mm >=A-B >=0.2mm (1).
According to preferred embodiment, apart from B between the internal face of the roller width A of above-mentioned press-in roller and a pair of tow width limiting unit
Meet the condition of 12mm >=A-B >=0.2mm, it is further preferred that as shown in following (2) formula, roller width A is interior with above-mentioned for press-in
Difference between wall apart from B is set in the range of 2mm to 0.2mm.
2mm >=A-B >=0.2mm (2)
Also, it is preferred that above-mentioned a pair of tow width limiting unit is respectively provided with the groove of the end walking of the width for tow
Portion, each groove height are more than 3%, less than 15% with respect to roller width A, and each well width is 5 times with respect to the thickness of tow
Above, less than 15 times.
It is preferred that above-mentioned roller width A (mm) meets following (3) formula with the total fiber number D (dtex) of fibre bundle,
5×10-4>=(A-2)/D >=3.5 × 10-4(3).
In addition, preferred for example following apart from C (4) formula between the front end of tow width limiting unit and press-in the rolling a little of roller
Shown, be 22mm >=C ＞ 0mm preferably,
22mm >=C ＞ 0mm (4).
Also, it is preferred that by above-mentioned prevent from stretching out be made up of the excellent material of resistance to scorification with pressing plate, above-mentioned tow width limit
Portion processed is made up of the material of wearability and excellent impact resistance.
In addition, second basic structure of the present invention is a kind of manufacture method of crimped fibre bundle, roller is pressed in a pair of tow
Two sides there is preventing from stretching out and using pressing plate for tow, configure crimper at the rear portion of above-mentioned a pair of tow press-in roller, make continuous
The fibre bundle of supply is pressed between roller by above-mentioned a pair of tow and is pressed into above-mentioned crimper, applies curling to fibre bundle, so as to
Manufacture crimped fibre bundle,
The manufacture method of above-mentioned crimped fibre bundle is characterised by,
The preventing from stretching out of above-mentioned fibre bundle possesses with pressing plate：Configure the tow introduction part in press-in roller and limit fibre bundle
A pair of tow width limiting unit of tow width；And from tow introduction part to the tow leading-out portion of above-mentioned press-in roller configure
Prevent the tow for stretching out of tow from preventing portion is stretched out, the roller width of above-mentioned press-in roller is being set to A, is stretching above-mentioned a pair prevent
Go out distance between the internal face with pressing plate and be set to B, rolling the front end of tow width limiting unit and press-in roller the distance between a little
When C is set to, following (5) formula is met.
12mm >=A-B >=0.2mm (5)
It is preferred that it is to meet following (6) with respect to the scope of the roller reduced width of above-mentioned press-in roller to make above-mentioned fiber beam width
The scope of formula.
2mm >=A-B >=0.2mm (6).
In second basic structure of the present invention, preferably above-mentioned a pair of tow width limiting unit is respectively provided with the width for tow
The groove portion of the end walking in direction, each groove height is more than 3%, less than 15% with respect to roller width A, and each well width is relative
It it is more than 5 times, less than 15 times in the thickness of tow.
Above-mentioned roller width A (mm) preferably meets following (7) formula with the total fiber number D (dtex) of fibre bundle.
5×10-4>=(A-2)/D >=3.5 × 10-4(7).
In addition, preferred for example following apart from C (8) formula between the front end of tow width limiting unit and press-in the rolling a little of roller
Shown, be 22mm >=C ＞ 0mm preferably.
22mm >=C ＞ 0mm (8)
As long as here, the material of tow width limiting unit possesses wearability and resistance to impact, then can use arbitrary former
Material, for example, can use stainless steel, alloy tool steel, superhard alloy etc., it is particularly preferred to using possessing corrosion resistance
Stainless steel.
In addition, tow stretches out the material of preventing portion preferably uses the excellent pottery of resistance to scorification.
The effect of invention
The characteristic point of the press-in crimping device of the fibre bundle of the present invention is, joins in the front of the tow introduction part of press-in roller
A pair of tow width limiting unit is put, silk is set in the left and right side of press-in roller to tow leading-out portion from the tow introduction part of press-in roller
Bundle stretches out preventing portion.By tow crimping device adopt this structure, with as in the past especially do not possess tow width
The crimping device of limiting unit is compared, and will not be produced tortuous on the walking states of fibre bundle for being fed into press-in roller or be rocked,
Being capable of stably being supplied while rolling the tow width for remaining impartial towards press-in roller.
The fibre bundle for having passed through tow width limiting unit is then admitted to tow and stretches out preventing portion.Now fibre bundle is subject to one
To the pushing effect of roller is pressed into, extension will be started towards the outside of width, and due to from above-mentioned tow introduction part to leading
Go out the tow configured by portion and stretch out preventing portion and crimp with the side of press-in roller, even if fibre bundle will be singularly between up-down rollers
Gap stretch out, can also be reliably suppressed the situation.
In this way, in the present invention, prevent from by tow width limiting unit and preventing extension to constitute with pressing plate by stretching out,
Before sending between a pair of press-in roller, the width of fibre bundle is constrained to pre-set tow width, is sent with the width
Enter between a pair of press-in roller, fibre bundle is gradually pushed herein, gradually release pushing, send after having passed through to be pressed into the rolling a little of roller
Enter the crimper in front.Passing freely through for the tow export department suppression tow of crimper, is rolling up from the fibre bundle of press-in roller release
With wavy generation flexural deformation in bent case, while successively to tow outlet movement.Now, the composition fiber of fibre bundle itself is produced
Tiny curling.
Here, the throat width of the tow width of the tow entrance of crimper is set as stretching out than above-mentioned a pair of tow
Between the inwall of preventing portion, distance is slightly long.Therefore, stretch out between the terminal of preventing portion and the tow entrance of crimper in the tow
The partially close property for having the fiber of the left and right end edge portion of the fibre bundle of presence is released from, and the compactness on the width of fibre bundle becomes
Equalization, here are applied in curling, all realize uniform curling on the length direction of fibre bundle and the either direction of width.And
And, being not necessary to stretch out above-mentioned tow prevents from applying excessive pushing force with pressing plate, can make the press-in volume of the fibre bundle of the present invention
Bent device is stably operated, have the advantages that so very big.
Especially, if make press-in roller width A and a pair of tow stretch out prevent with inner distance B of pressing plate meet 12mm >=
The condition of A-B >=0.2mm, then will not produce the complications of tow and be pressed into stretching out at roller, almost eliminate with crimped fibre bundle
Abnormal quality be by making crimping device shut down.In addition, its tow introduction part of the leading section of tow width limiting unit is in
The wedge shape of the substantially isosceles triangle with direction of travel leading section as acute angle, so that the rolling a little and tow width of a pair of press-in roller
The distance of the front end of limiting unit is close to, and therefore will not more produce by originals such as above-mentioned pressing plate, press-in roller, fibre bundle frictions each other
Because of the unfavorable condition for causing, and device can be made stably to be operated for a long time.
Description of the drawings
Fig. 1 is the side-looking that the major part of the continuous crisping device of the fibre bundle of the present invention is cut a part and is represented
Figure.
Fig. 2 is the regarding sectional view of the II-II line along Fig. 1.
Fig. 3 is the regarding sectional view of the III-III line along Fig. 2.
Fig. 4 is the sectional view in the S portion of enlarged representation Fig. 3.
Fig. 5 is to represent that tow width limiting unit in the present invention and tow stretch out the longitudinal sectional view of the structure of preventing portion.
Fig. 6 is to represent that above-mentioned tow width limiting unit and tow stretch out the side-looking of preventing portion and the configuration relation of press-in roller
Figure.
Fig. 7 is the stereogram that above-mentioned tow width limiting unit and tow stretch out preventing portion.
Fig. 8 is to represent the skeleton diagram between roller width A, internal face apart from B.
Fig. 9 is beeline C rolled a little of the direction of travel front end with a pair of press-in roller for representing tow width limiting unit
Regarding sectional view along the IX-IX line of Fig. 8.
Figure 10 is that Fig. 9 is amplified with the part of dotted line, represents and eliminates fibre bundle 8 and crimped fibre bundle 8a
State figure.
Specific embodiment
Hereinafter, the crimping device that the representational embodiment of the present invention is fibre bundle is carried out specifically based on accompanying drawing
Bright.
In Fig. 1 and Fig. 2, reference 1,2 is upper and lower a pair first and second press-in roller, is fixedly supported on first respectively
And second rotary shaft 1a, 2a front end (right-hand member of Fig. 2).The midway of first and second rotary shaft 1a, 2a and the other end (Fig. 2
Left part) be supported in the way of rotating freely by the multiple bearings in lower case 4 and upper body 5, the
The other end of two rotary shafts 2a is linked with driving source (not shown).First rotary shaft 1a connects via gear 3 and the second rotary shaft 2a
Knot, the pressing direction to fibre bundle 8 is at the uniform velocity to be rotated forward.Water injection spray is each configured with the position up and down of aft case 6
Day with fog 7a, 7b, each sprayer 7a, 7b are sprayed by water and prevent roller towards each surface of first and second press-in roller 1,2 above-mentioned
Heating, suppression prevent from stretching out the abrasion for stretching out preventing portion 11a with pressing plate.
First and second press-in roller 1,2 above-mentioned is respectively fixed with framework with identical diameter in its outer surface central portion
1b and circular slab 2b.A little 9 are rolled across tow of this first and second press-in roller 1,2, in Fig. 3 and Fig. 4 institute as its enlarged drawing
A part to before and after the whole direction of advance of the fibre bundle 8 of direction of arrow walking, with the features for becoming the present invention that show
The introduction part 10 of fibre bundle 8 and the leading-out portion 11 of fibre bundle 8.Introduction part 10 is fibre bundle 8 towards first and second press-in roller
1st, 2 ingress area, above-mentioned leading-out portion 11 be exceed roll a little 9 and be pressed into the region of crimper 12.In the present embodiment, respectively
Individual region is the region of the 1/4 or so of the diameter of first and second press-in roller 1,2.Fibre bundle 8 is in introduction part 10 by first and
Two press-in rollers 1,2 are gradually pushed, if exceed roll a little 9 and the above-mentioned leading-out portion 11 of entrance, above-mentioned pushing is gradually released from.
As the tow near exit in crimper 12 is configured with the baffle plate 12b described later (figure for passing through of suppression fibre bundle 8
1) fibre bundle 8 for, therefore being pushed and being released to crimper 12 from first and second press-in roller 1,2, in leading-out portion 11 by forcibly
Release, will advance while tiny curling is applied in.Here, fibre bundle 8 is being formed at first and second press-in roller 1,2
Periphery between triangle space advance, be filled in crimper 12 while in the space with Folding wave.
Fibre bundle 8 after the filling is with constant speed from the tow of crimper 12 while the restraint of above-mentioned baffle plate 12b is overcome
Export to outside pull-out.So as to constitute crimper 12 from leading-out portion 11 to the outlet of the tow of crimped fibre bundle 8a.
As shown in Fig. 4～Fig. 8, the stretching out of fibre bundle 8 in the present invention prevents to be possessed with pressing plate 15：By fibre bundle 8
Towards the pair of right and left guided between first and second press-in roller 1,2 while tow width is constrained to fixing width
Tow width limiting unit 10a；And fibre bundle 8 is prevented from the pair of right and left stretched out of side of first and second press-in roller 1,2
Preventing portion 11a.Also, in above-mentioned tow width limiting unit 10a and the above-mentioned back side for stretching out preventing portion 11a, it is fixedly installed
Each part is carried out to strengthen the backing plate 10b of support.Above-mentioned tow width limiting unit 10a overall by near above-mentioned roll a little 9 end
Portion is constituted for the rectangular plate of the wedge shape of isosceles triangle, and wedge-like portion 10a-2 and tow are passed through the contrary side in face
Substantially 1/2 part of entire length of slightly less than tow width limiting unit 10a on surface cut off via step difference,
So as to form the first thinner wall section 10a-3.
And, the tow for the front end of above-mentioned wedge-like portion 10a-2 passes through side surface, cuts off via step difference
State substantially the 1/3 of wedge-like portion 10a-2 length thereof and form the second thinner wall section 10a-4.By the way, in this enforcement
In one example of mode, the entire length of above-mentioned tow width limiting unit 10a is 94.86mm, the wall of main part 10a-1
Thick is 6.7mm, and the wall thickness of the first thinner wall section 10a-3 is 2mm, and the wall thickness of the second thinner wall section 10a-4 is 0.6mm.These value roots
Change according to material and the specification of circumferential component.
In addition, above-mentioned tow width limiting unit 10a tow by the width central portion in face, be formed with from one
End continuously extends to front end, with recessed section the tow lateral margin guiding groove 10a-5 of above-mentioned first thinner wall section 10a-3, leads
Enter what the width ora terminalis of the fibre bundle 8 to tow introduction part 10 was slided on the bottom surface of tow lateral margin guiding groove 10a-5
While being guided by the bottom surface.The bottom surface of tow lateral margin guiding groove 10a-5 and the tow of above-mentioned second thinner wall section 10a-4
In the same plane by the surface of side.As shown in Fig. 4,8, through the silk of the fibre bundle 8 of tow lateral margin guiding groove 10a-5
Beam width is constrained to the width less than the tow width imported before tow introduction part 10.Tow across tow introduction part 10
Path and the distance between opposed bottom surface of the above-mentioned tow lateral margin guiding groove 10a-5 of the pair of right and left that configures are (between internal face
Distance) B, determine by the tow width of the fibre bundle 8 for being fed into tow introduction part 10 and by the tow width first and
The side face roller width A of two press-in rollers 1,2 determines.
As shown in Fig. 5～Fig. 7, above-mentioned pair of right and left stretches out preventing portion 11a to constitute above-mentioned tow width limiting unit 10a
The end difference of the first thinner wall section 10a-3 of above-mentioned wedge-like portion 10a-2 is starting point, more than the front end of the second thinner wall section 10a-4
And the length needed for extending.Therefore, as shown in Fig. 4 and Fig. 6, this stretches out preventing portion 11a by first and second press-in roller 1,2 shapes
In the above-mentioned tow introduction part 10 for becoming and the gamut of tow leading-out portion 11, connect with the side of first and second press-in roller 1,2
Near-earth is configured.According to present embodiment, the above-mentioned tow for stretching out preventing portion 11a is by side surface and above-mentioned tow lateral margin guiding groove
The surface of the bottom surface of 10a-5 and above-mentioned wedge-like portion 10a-2 is on substantially same plane.By the way, above-mentioned tow
Its mother metal of width limiting unit 10a is SUS440C, carries out essence to its surface by the chromium spraying plating of wearability and excellent impact resistance
Processing.In addition, tow stretches out the material of preventing portion 11a employs the various potteries such as aluminum oxide, its wall thickness is 4.7mm, plate width
It is plate width identical 22.6mm with main part 10a-1 of tow width limiting unit 10a.
And, between above-mentioned tow width limiting unit 10a for adjusting left and right and the inner surface for stretching out preventing portion 11a
The Max. Clearance _M. adjusting apparatus 13 at interval, configure in tow width limiting unit 10a of left and right and stretch out the outside of preventing portion 11a.
As shown in figure 4, slide block 13a of the above-mentioned Max. Clearance _M. adjusting apparatus 13 with the wedge shape and slide block 13a installed in the wedge shape
Bottom surface on adjusting screw 13b, by make above-mentioned adjusting screw 13b rotate, make slide block 13a produce position in the longitudinal direction
Move, make tow width limiting unit 10a of left and right and prevent from stretching out mutually to be moved to close and detached direction with pressing plate 15, so as to
Adjust its width dimensions for being spaced and limiting fibre bundle 8.
In addition, as shown in figure 1, the crimper 12 for being formed at the downstream of the leading-out portion 11 of above-mentioned fibre bundle 8 possesses：Which rolls
One half part of 9 sides of point is shaped generally as the arc-shaped, overall in substantially wedge of the side face along first and second press-in roller 1,2
A pair of the scraper 12a up and down of shape；And from supporting the bracket 14 of each scraper 12a up and down.Opposed faces up and down in the bracket 14
Between, the crimped fibre Shu Tonglu 12c passed through for crimped fibre bundle 8a is formed with, is provided with by gas in its tow outlet side end portion
The baffle plate 12b for pressing and exerting a force from the top to the bottom.Baffle plate 12b is used for suppressing the walking of fibre bundle 8, in case crimper
Fibre bundle 8 in 12 is freely walked towards tow outlet.The outer contour shape of one half part of tow outlet side of crimper 12 is
Cubical box.Interval between the left and right sidewall of the crimper 12 according to first and second press-in roller 1,2 roller width and
Difference, be set in the case of the tow (total fiber number 19000dtex～44000dtex) of cigarette filter 10mm to 21mm it
Between roller width B, the thickness of tow is preferably the scope of more than 0.2mm below 1mm, more preferably in more than 0.3mm 0.8mm
Following scope.
The thickness of tow to be adjusted, the total fiber number D (dtex) of above-mentioned roller width A (mm) and fibre bundle preferably meet 5 × 10-4
>=(A-2)/D >=3.5 × 10-4.
Here, as shown in figure 8, especially make press-in roller width A and a pair of tow prevent stretch out with the wall of pressing plate 15 it
Between meet the condition of 12mm >=A-B >=0.2mm apart from the difference of B, will not produce the complications of tow and first and second press-in roller 1,
The stretching out of tow in 2, reduce inter alia first and second press-in roller 1,2 for stretching out in preventing portion 11a and tow prevent stretch
Go out abrasion and the scorification with pressing plate 15, the abnormal quality of crimped fibre bundle 8a is not result in, the crimping device of fibre bundle 8 can be made
Operated for a long time.According to above-mentioned viewpoint, difference preferably more than the 0.5mm being pressed between roller width A and above-mentioned internal face apart from B
Below 8mm, more preferably more than 1mm below 4mm.In addition, as Fig. 9 and as its partial enlarged drawing Figure 10 shown in, by will
A pair first and second press-in roller 1,2 roll a little with the front end of tow width limiting unit 10a be arranged to 22mm >=C ＞ apart from C
0mm, can make device be operated so as to producing above-mentioned unfavorable condition.The higher limit of the distance of C is 22mm, but
Below 15mm, more preferably below 12mm is preferably from from the viewpoint of prevent the stretching out of tow.The lower limit of the distance of C more connects
Nearly 0 can more prevent stretching out for tow, but be preferably from from the viewpoint of prevent the contact with press-in roller of tow width limiting unit
More than 1mm, more preferably more than 5mm.
For the shape of tow width limiting unit, preferably its tow introduction part side is in direction of travel leading section as acute angle
Substantially isosceles triangle wedge shape, because of that one come its leading section be close to roll a little, and leading section be obtained in that enough
Intensity, it is advantageous to.
Above-mentioned a pair of tow width limiting unit is preferably respectively provided with the groove portion of the end walking of the width for tow, groove
Highly preferred with respect to roller width A be more than 3%, less than 15%, well width preferably with respect to tow thickness be more than 5 times,
Less than 15 times.
If above-mentioned groove height is more than 3% with respect to roller width A, easily reduce rocking for tow, if less than 15%,
Then easily reduce friction when tow is contacted with groove.Above-mentioned groove height more preferably more than 5%, less than 12%.
If in addition, well width is more than 5 times with respect to the thickness of tow, easily reducing the situation that tow is contacted with groove,
If less than 15 times, then easily reducing rocking for tow.More preferably more than 7 times, less than 13 times of above-mentioned well width.
By having the groove, rocking for tow can be suppressed, at steady-state tow can be imported press-in roller.
Hereinafter, more specific description is carried out to the present invention using experimental example.
＜ frequency of abnormity ＞
Frequency of abnormity is persistently to be operated during three months under the same conditions, to the device that produces during this period
The bad number of times of adjustment number of times and curling is collected.
＜ device frequency of abnormity ＞
In experimental example 2, persistently operated during one week under the same conditions, the device to producing during this period is adjusted
Whole number of times is collected.
Evaluation method ＞ of ＜ rolled state
Rolled state is evaluated according to following benchmark.
○：Aeration resistance is uniform, tow band manufacturing procedure good by property.
△：Aeration resistance is somewhat uneven, or tow band manufacturing procedure is more slightly worse than ordinary circumstance by property.
×：Aeration resistance is uneven, or tow band manufacturing procedure is more obvious than ordinary circumstance poor by property, used as product
Cannot allow.
[experimental example 1]
The press-in crimping device of the cellulose acetate tow of the cigarette filter shown in preparation Fig. 1, Fig. 2, the pressure of the fibre bundle
Enter in crimping device, the width for being pressed into roller is 19mm, and the material of tow width limiting unit is that surface is carried out by chromium spraying plating
The stainless steel of the SUS440C of finishing, the preventing of tow stretch out the pottery with the material of pressing plate is aluminum oxide.As shown in table 1, will
First and second press-in roller width A is prevented with the pair of right and left tow for stretching out preventing portion with tow width limiting unit and tow
Stretch out the difference (A-B) between the wall with pressing plate apart from B and this 5 kinds of 0.4mm, 1mm, 5mm, 10mm, 15mm is set to, by tow width
Degree limiting unit front end and press-in roller roll a little apart from C for each each tow width limiting unit and tow prevent stretch out with pressing
Difference (A-B) between the wall of plate apart from B is set to this 4 kinds of 1mm, 3mm, 5mm, 7mm, arranges tow width in 20 kinds of modes altogether
Degree limiting unit (having tow width limiting unit), was persistently operated three months periods, respectively under the same conditions in this phase
Between the adjustment number of times of device that produces and crimp bad number of times and collected, and determined obtained crimped fibre bundle
The quality of rolled state.
In addition, as comparative example, for just eliminating after above-mentioned each 20 kinds of tow width limiting unit (nothing tow width
Limiting unit) situation be also carried out same operation, the number of times of abnormal quality is its mean value.
Fibre bundle used in this experimental example 1 be filament number for 3.3dtex, total fiber number for 40,000dtex acetic acid
Fibre bundle.With regard to the tow introduction part before and after the press-in roller prevented when stretching out with pressing plate for possessing tow and tow leading-out portion institute
The exception of the fibre bundle of acquisition and crimp bad judgement, the monofilament of tow is disconnected, crimp uneven, hang over press-in roller etc.
The number of times that the device for producing number of times and producing therewith of abnormal quality is adjusted represents in table 1.
[table 1]
As shown in table 1, according to assembly of the invention, by will be pressed into roller width A and preventing from for a pair stretching out between pressing plate
The difference apart from B be set to below 12mm, more than 0.2mm, and by between the rolling a little of tow width limiting unit front end and press-in roller
It is set to below 6mm, is more than 0mm apart from C, it is known that the abnormal quality of crimped fibre bundle can be significantly reduced.Even if also, somewhat
In the case of above range, although the curling of fibre bundle end is somewhat uneven, but it is not the journey for damaging value of the product
Degree.
[experimental example 2]
The press-in crimping device of the cellulose acetate tow of the cigarette filter shown in preparation Fig. 1, Fig. 2, in the fibre bundle
In press-in crimping device, the width for being pressed into roller is 19mm, and the material of tow width limiting unit is that surface is carried out by chromium spraying plating
The stainless steel of the SUS440C of finishing, the preventing of tow stretch out the pottery with the material of pressing plate is aluminum oxide.As shown in table 2,
Will be anti-with the pair of right and left tow for stretching out preventing portion with tow width limiting unit and tow for first and second press-in roller width A
Only stretch out the difference (A-B) between the wall with pressing plate apart from B and 1.6mm is set to, tow width limiting unit front end is set with press-in roller
Roll a little apart from C be this 3 kinds tow width limiting unit (having tow width limiting unit) of 11mm, 18mm, 25mm, respectively one
Persistently operated during week under the same conditions, the adjustment number of times of the device to producing during this period collects, and sentences
The quality of the rolled state of the crimped fibre bundle for being obtained is determined.
Fibre bundle used in this experimental example 2 be filament number for 2.7dtex, total fiber number for 35,000dtex acetic acid
Fibre bundle.Illustrate in table 2 between the rolling a little of tow width limiting unit front end in each condition and press-in roller apart from C and
Rolled state.Also, also illustrate and adjusted by device and attempted improving before rolled state becomes the state that cannot be allowed
The number of times of rolled state.
[table 2]
As shown in table 2, to lengthen further between tow width limiting unit front end and press-in the rolling a little of roller apart from C's
The result studied by situation, rolled state apart from C for 11mm when be good result, in 18mm for somewhat uneven
But it is not the degree for damaging value of the product.In addition, apart from C for 25mm when, even if the adjustment of device is repeated, also cannot
The tow that can allow for rolled state is obtained, rolled state becomes bad and becomes the result of infringement value of the product.
Description of reference numerals
1、2：First and second press-in roller, 1a, 2a：First and second rotary shaft, 1b：Framework, 2b：Circular slab, 3：Gear,
4：Lower case, 5：Upper body, 6：Aft case, 7a, 7b：Water jet nebulizer, 8：Fibre bundle, 8a：Crimped fibre bundle, 9：
(tow) rolls a little, and 10：(tow) introduction part, 10a：Tow width limiting unit, 10a-1：Main part, 10a-2：Wedge-shaped part
Point, 10a-3：First thinner wall section, 10a-4：Second thinner wall section, 10a-5：Tow lateral margin guiding groove, 10b：Backing plate, 11：(silk
Bundle) leading-out portion, 11a：(tow) stretches out preventing portion, and 12：Crimper, 12a：Scraper, 12b：Baffle plate, 12c：Crimped fibre bundle leads to
Road, 13：Max. Clearance _M. adjusting apparatus, 13a：The slide block of wedge shape, 13b：Adjusting screw, 14：Bracket, 15：(tow) prevents from stretching
Go out to use pressing plate.
Claims (10)
1. a kind of crimping device of fibre bundle, is the press-in crimping device of tow, in the two sides configuration of a pair of tow press-in roller
The preventing from stretching out of tow uses pressing plate, configures crimper at the rear portion of above-mentioned a pair of tow press-in roller, makes the fibre bundle of continuous supply
It is pressed between roller by above-mentioned a pair of tow and above-mentioned crimper is pressed into, curling is applied to fibre bundle,
The crimping device of above-mentioned fibre bundle is characterised by,
The preventing from stretching out of above-mentioned tow possesses with pressing plate：The tow introduction part in press-in roller is configured, limits the tow width of fibre bundle
A pair of tow width limiting unit of degree；And from tow introduction part to the tow leading-out portion of above-mentioned press-in roller configure, prevent fibre
The tow for stretching out of dimension bundle stretches out preventing portion,
Above-mentioned tow width limiting unit is made up of sheet material, and the direction of travel leading section of the sheet material is for acute angle and in substantially isoceles triangle
The wedge shape of shape,
The silk of the tow running part that the confession fibre bundle of the roller width A of above-mentioned press-in roller and above-mentioned a pair of tow width limiting unit is walked
(1) formula between the internal face in beam width direction below B satisfaction,
12mm >=A-B >=0.2mm (1).
2. the crimping device of fibre bundle according to claim 1, it is characterised in that
The silk of the tow running part that the confession fibre bundle of the roller width A of above-mentioned press-in roller and above-mentioned a pair of tow width limiting unit is walked
(2) formula between the internal face in beam width direction below B satisfaction,
2mm >=A-B >=0.2mm (2).
3. the crimping device of fibre bundle according to claim 1 and 2, it is characterised in that
Above-mentioned a pair of tow width limiting unit is respectively provided with the groove portion of the end walking of the width for tow, each groove height
With respect to roller width A be in the range of 3%～15%, each well width with respect to tow thickness be at 5 times～15 times
In the range of.
4. the crimping device of fibre bundle according to claim 1 and 2, it is characterised in that
Above-mentioned roller width A meets following (3) formula with the total fiber number D of fibre bundle,
5×10-4>=(A-2)/D >=3.5 × 10-4(3),
Above-mentioned roller width A unit is mm, and the total fiber number D unit of above-mentioned fibre bundle is dtex.
5. the crimping device of fibre bundle according to claim 1 and 2, it is characterised in that
The front end of the direction of travel of tow width limiting unit meets following (4) with beeline C that rolls a little of a pair of press-in roller
Formula,
22mm >=C ＞ 0mm (4).
6. a kind of manufacture method of crimped fibre bundle, be pressed in a pair of tow roller two sides configuration fibre bundle prevent stretch out use
Pressing plate, configures crimper at the rear portion of above-mentioned a pair of tow press-in roller, makes the fibre bundle of continuous supply by above-mentioned a pair of tow
It is pressed between roller and above-mentioned crimper is pressed into, curling is applied to fibre bundle, so as to obtain crimped fibre bundle,
The manufacture method of above-mentioned crimped fibre bundle is characterised by,
With following operation：For fibre bundle, fiber beam width is made with respect to above-mentioned pressure using a pair of tow width limiting unit
The roller width A for entering roller is contracted to the scope of following (5) formula of satisfaction, and above-mentioned a pair of tow width limiting unit configuration is in press-in roller
Tow introduction part is simultaneously made up of sheet material, and the direction of travel leading section of the sheet material is acute angle the wedge shape in substantially isosceles triangle,
The internal face of the tow width of the tow running part for making the confession fibre bundle of above-mentioned a pair of tow width limiting unit walk
Between apart from B, with respect to above-mentioned press-in roller roller width A be (5) formula for meeting following scope,
12mm >=A-B >=0.2mm (5).
7. the manufacture method of crimped fibre bundle according to claim 6, it is characterised in that
It is following scope to make above-mentioned fiber beam width：The tow for making the confession fibre bundle of above-mentioned a pair of tow width limiting unit walk
Apart from B between the internal face of the tow width of running part, meet with respect to the scope that reduces of roller width A of above-mentioned press-in roller
Following (6) formula,
2mm >=A-B >=0.2mm (6).
8. the manufacture method of the crimped fibre bundle according to claim 6 or 7, it is characterised in that
The end of the width of fibre bundle is made to walk in the groove that above-mentioned a pair of tow width limiting unit has, the height of the groove
Degree with respect to roller width A be in the range of 3%～15%, the width of the groove with respect to tow thickness be at 5 times～15 times
In the range of.
9. the manufacture method of the crimped fibre bundle according to claim 6 or 7, it is characterised in that
Above-mentioned roller width A meets following (7) formula with the total fiber number D of fibre bundle,
5×10-4>=(A-2)/D >=3.5 × 10-4(7),
Above-mentioned roller width A unit is mm, and the total fiber number D unit of above-mentioned fibre bundle is dtex.
10. the manufacture method of the crimped fibre bundle according to claim 6 or 7, it is characterised in that
The direction of travel front end of tow width limiting unit meets following (8) formula with beeline C that rolls a little of a pair of press-in roller,
22mm >=C ＞ 0mm (8).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2013/052758 WO2014122741A1 (en) | 2013-02-06 | 2013-02-06 | Fiber tow crimping device and method for manufacturing crimped fiber tow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104968844A CN104968844A (en) | 2015-10-07 |
| CN104968844B true CN104968844B (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201380072204.XA Active CN104968844B (en) | 2013-02-06 | 2013-02-06 | The crimping device of fibre bundle and the manufacture method of crimped fibre bundle |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5635185B1 (en) |
| CN (1) | CN104968844B (en) |
| WO (1) | WO2014122741A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITUB20155106A1 (en) * | 2015-11-02 | 2017-05-02 | M A E S P A | CRACKING MACHINE FOR CHEMICAL FIBER TREATMENT |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4115908A (en) * | 1978-02-06 | 1978-09-26 | Eastman Kodak Company | Apparatus for stuffer box crimping |
| US4395804A (en) * | 1981-05-18 | 1983-08-02 | Eastman Kodak Company | Cheekplate holder assembly for stuffer box crimper |
| CN101565868A (en) * | 2008-03-03 | 2009-10-28 | M.A.E.股份公司 | Apparatus for crimping chemical-fibres filaments and control methods thereof |
| CN102828293A (en) * | 2011-06-16 | 2012-12-19 | 南通醋酸纤维有限公司 | Wear-resistant clamp plate device of stuffing box crimping machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4517321Y1 (en) * | 1966-06-10 | 1970-07-17 | ||
| US7534379B2 (en) * | 2004-06-25 | 2009-05-19 | Celanese Acetate Llc | Process of making cellulose acetate tow |
| JP2013028875A (en) * | 2011-07-28 | 2013-02-07 | Mitsubishi Rayon Co Ltd | Apparatus for crimping filament tow, and method for manufacturing crimped filament tow |
-
2013
- 2013-02-06 WO PCT/JP2013/052758 patent/WO2014122741A1/en active Application Filing
- 2013-02-06 CN CN201380072204.XA patent/CN104968844B/en active Active
- 2013-02-06 JP JP2013510390A patent/JP5635185B1/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4115908A (en) * | 1978-02-06 | 1978-09-26 | Eastman Kodak Company | Apparatus for stuffer box crimping |
| US4395804A (en) * | 1981-05-18 | 1983-08-02 | Eastman Kodak Company | Cheekplate holder assembly for stuffer box crimper |
| CN101565868A (en) * | 2008-03-03 | 2009-10-28 | M.A.E.股份公司 | Apparatus for crimping chemical-fibres filaments and control methods thereof |
| CN102828293A (en) * | 2011-06-16 | 2012-12-19 | 南通醋酸纤维有限公司 | Wear-resistant clamp plate device of stuffing box crimping machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014122741A1 (en) | 2014-08-14 |
| JPWO2014122741A1 (en) | 2017-01-26 |
| JP5635185B1 (en) | 2014-12-03 |
| CN104968844A (en) | 2015-10-07 |
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