CN1948565A - Once ultrasonic cutting preparation method of automatic yarn spreading pre-steeping - Google Patents
Once ultrasonic cutting preparation method of automatic yarn spreading pre-steeping Download PDFInfo
- Publication number
- CN1948565A CN1948565A CN 200610097434 CN200610097434A CN1948565A CN 1948565 A CN1948565 A CN 1948565A CN 200610097434 CN200610097434 CN 200610097434 CN 200610097434 A CN200610097434 A CN 200610097434A CN 1948565 A CN1948565 A CN 1948565A
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- yarn
- cut
- preimpregnation
- backing paper
- steeping
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- 238000005520 cutting process Methods 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 238000003892 spreading Methods 0.000 title claims description 16
- 230000007480 spreading Effects 0.000 title claims description 16
- 239000000835 fiber Substances 0.000 claims abstract description 56
- 239000010408 film Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 13
- 239000011347 resin Substances 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 239000012528 membrane Substances 0.000 claims description 16
- 238000005516 engineering process Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 8
- 238000005470 impregnation Methods 0.000 claims description 7
- 239000010409 thin film Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000012943 hotmelt Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 3
- 239000013039 cover film Substances 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000011365 complex material Substances 0.000 abstract 1
- 238000007731 hot pressing Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000009740 moulding (composite fabrication) Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000009786 automated tape laying Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to a preparation method with primary ultrasonic cutting for automatically laying silk and presoaking yarn. It is especially applicable for laying materials of automatically laying silk machine, which belongs to technique field of complex material fiber laying and molding automatically. After educing from yarn frame, multiple fiber bundles are arranged in parallel. With back lining paper coating resin on both sides, they are processed by hot press rolling, gum film fusing and dipping, and cooling to molding. Take upper back lining paper and cover film on upper side of fiber. Cut single fiber bundle in presoaking zone by a set of ultrasonic cutting. Take below back lining paper and presoak and roll filmy single fiber bundle. The method can prepare individually molded presoak yarn of single fiber bundle. It has simple craft and can save materials and advance productive efficiency.
Description
One technical field
The present invention relates to an a kind of ultrasonic cut preparation method of automatic spreading pre steeping yarn, be particularly useful for lay raw material, belong to composite fiber automatic placement molding technical field as the automatic fiber placement machine.
Two background technologies
Automatic spreading pre steeping yarn is resin single continuous tow of dipping under the condition of strictness control, make the assembly of resin matrix and reinforcing material, and then the single continuous tow of impregnating resin be wound into receive on the yarn tube, during the silk of shop by the automatic fiber placement machine directly from receiving on the yarn tube back yarn lay to die surface.Automatic spreading pre steeping yarn is as the raw material of automatic fiber placement technology, its performance parameter will directly have influence on the quality and the performance of automatic fiber placement technical process and composite element, in recent years, because automatic fiber placement broad application, automatic spreading pre steeping yarn technology of preparing are also developing to pursuit high efficiency, high-quality direction.
The technology of preparing of automatic spreading pre steeping yarn is to grow up on the technology of preparing basis of preimpregnation band.The preimpregnation band is as the raw material of automated tape-laying technology, have from tens mm to the different width specifications of mm up to a hundred, its preparation technology arranges the many parallel flattenings of fibre bundle through preimpregnation, utilize thermoplastic resin-impregnated fibers, with the rolling of backing paper, obtain the unidirectional prepreg tape of certain width behind the cooling and shaping.Wherein, be divided into different technologies of preparing such as solution dipping method, hot melt infusion process and powder preimpregnation method according to the difference of resin impregnation process again.Automatic spreading pre steeping yarn is because the requirement of automatic fiber placement technology, its width only is several mm, basically the yarn sheet width that is equivalent to single fiber Shu Zhankai, if continue to use technology of preparing and equipment that the preimpregnation band gets, only adopt the width that reduces the preimpregnation band to prepare the scheme of preimpregnation yarn to several mm, not only can waste raw material, production efficiency also is difficult to be guaranteed.
Three, summary of the invention
At the demand of automatic fiber placement technology to the preimpregnation yarn, simple for obtaining a kind of technical process, and the satisfied preimpregnation yarn technology of preparing that saves material, enhances productivity and require, the present invention provides an a kind of ultrasonic cut preparation method of automatic spreading pre steeping yarn on the basis of hot melt immersion process for preparing preimpregnation band.
Technical solution of the present invention is: after the plurality of fibers bundle is derived from creel, fibre bundle is arranged in parallel, reserve cutting gap each other, pass through the hot pressing roller in the lump with the backing paper of two-layer application of resin glued membrane up and down, cooling forming behind the glued membrane melt impregnation, cover thin film at the fiber upper surface after collecting backing paper, use one group of ultrasonic knife cutting system that the single fiber bundle in the preimpregnation band is cut then, after collecting the lower back lining paper, will cover the filament bundle preimpregnation yarn rolling of film.
An a kind of ultrasonic cut preparation method of automatic spreading pre steeping yarn is characterized in that being made up of following preparation technology:
(1), fibre bundle derived from creel after, the parallel expansion of fibre bundle is arranged, and reserves cutting gap each other;
(2), resin heating hot melt, be coated on the backing paper and form glued membrane;
(3), the fiber that flattens with the glued membrane on the two-layer backing paper up and down compound after overheated pressure roller, the glued membrane melted by heating, impregnation of fibers is cooled to the room temperature typing then, obtains the preimpregnation band;
(4), remove the last backing paper of preimpregnation band after, cover thin film at the fiber upper surface;
(5), through one group of ultrasonic knife cutting system, along the gap center line of fibre bundle in the preimpregnation band film is cut into strip;
(6), remove the lower back lining paper after, the filament bundle preimpregnation yarn that is covered with film is collected into web-like respectively.
Advantage of the present invention: can prepare many preimpregnation yarns simultaneously, improve production efficiency, can repeatedly reclaim use after simultaneously backing paper being removed, reduce the consumption of backing paper, save material; The preimpregnation yarn is the filament beam forming, has reduced the step of cutting fiber in the production process, has avoided filament to be cut off the problem that produces overlap and cause the intensity reduction; Preparation preimpregnation yarn on the basis of hot melt immersion process for preparing preimpregnation band, technical process is simple, and can guarantee the quality of preimpregnation yarn.Adopt ultrasonic cutting knife scheme to realize the cutting of automatic spreading pre steeping yarn, can control depth of cut, improved cutting accuracy and cut quality, prolonged the service life of cutting knife.
Four description of drawings
Fig. 1 is the process chart of method provided by the invention.
Fig. 2 is the cross sectional representation of preimpregnation band before the cutting.
Fig. 3 is the cross sectional representation of automatic spreading pre steeping yarn.
Label title among Fig. 1: 1. creel, 2. yarn guide, 3. glue spreader, 4. backing paper spool, 5. hot pressing roller, 6. carry-over pinch rolls, 7. chill station 8. goes up backing paper take-up ribbon spool, 9. the film spool, 10. ultrasonic knife cutting system, 11. preimpregnation yarn take-up ribbon spool, 12. lower back lining paper take-up ribbon spool, F. fiber, B. backing paper, the P. film.
Five specific embodiment
Below in conjunction with Fig. 1 method provided by the invention is described.
As shown in Figure 1, after the plurality of fibers bundle derived from creel 1, utilize yarn guide 2 that fibre bundle is arranged in parallel, reserve cutting gap each other, simultaneously, thermoplastic resin is coated in the backing paper B preparation glued membrane of drawing from backing paper spool 4 by glue spreader 3, backing paper B respectively has one deck up and down, form sandwich with the fiber F that flattens, under the draw of carry-over pinch rolls 6, they pass through hot pressing roller 5 together, glued membrane melt impregnation fiber F is after supercooling platform 7 cooling formings, backing paper take-up ribbon spool 8 is covered thin film P at fiber F upper surface after collecting backing paper B in the utilization, film P draws from film spool 9, use one group of ultrasonic knife cutting system 10 the single fiber bundle to be cut then, utilize lower back lining paper take-up ribbon spool 12 to collect the filament bundle preimpregnation yarn rolling that to cover film P behind the lower back lining paper B by preimpregnation yarn take-up ribbon spool 11 along the gap center line of fibre bundle in the preimpregnation band.
Be described further below in conjunction with Fig. 1,2,3 pairs of methods provided by the invention.
As shown in Figure 1, N root fiber F draws from creel 1 after single Shu Zhangli regulation and control, in required width, arranges by yarn guide 2 parallel expansion, and fiber F reserves cutting gap each other.Can pass through the spacing that yarn guide 2 is regulated between the fiber F, to regulate the yarn sheet gap and to realize to use the fiber F of different size and the purpose for preparing the automatic spreading pre steeping yarn of different size.Yarn guide 2 can adopt different guide modes such as grid or thread guide eyelet.
Preparation scribbles the backing paper B of resin glued membrane, can adopt two kinds of different preparation schemes: a kind of is continuous working system of a step, when promptly on pre-dipping machine, backing paper B being unreeled, molten resin is coated on the backing paper B, obtains glued membrane after the cooling by glue spreader 3; Another kind is two step prefabrications, promptly produces the backing paper B that scribbles glued membrane in advance on the glued membrane machine, delivers on the pre-dipping machine, and direct uncoiling is used during preimpregnation.Such backing paper spool 4 is respectively placed one in both sides about launching fiber F, so that two-layer backing paper B to be provided, to launch fiber F and be clipped in the middle of the two-layer backing paper B, is sandwich.
The fiber F that flattens is compound after overheated pressure roller 5 with the glued membrane on the two-layer backing paper B up and down, and hot pressing roller 5 keeps certain temperature, makes resin have lower viscosity under this temperature, is in viscous state, is convenient to impregnation of fibers.Adjust up and down the gap between two hot pressing rollers 5, can control the thickness of the preimpregnation band that obtains after the hot pressing, can provide hot pressing pressure simultaneously.Glued membrane is melted by heating under the temperature and pressure effect, and impregnation of fibers F obtains the preimpregnation band.In order to guarantee good composite effect, can adopt many group hot pressing rollers mode of pressing step by step.
Preimpregnation band after hot pressing is through chill station 7 cooling and shapings, and chill station can adopt the mode of blowing cold air or frozen water cooler bin.
Between hot pressing roller 5 and chill station 7 and after the chill station 7, one group of carry-over pinch rolls 6 is respectively arranged, be the source of the major impetus in the preparation process, can adopt rubber rollers to realize the wafer type traction.
To go up backing paper B and separate with the preimpregnation band, backing paper take-up ribbon spool 8 is collected backing paper B in the utilization.The backing paper of collecting can be positioned over backing paper spool 4 and reuse.
Utilize film spool 9 to cover thin film P at upper surface, the last backing paper B that alternative quilt is collected avoids preimpregnation yarn surface ingress of air to cause resin to produce chemical change.
Utilize one group of ultrasonic knife cutting system 10 that the preimpregnation band is cut into the preimpregnation yarn.The quantity of one group of ultrasonic knife cutting system 10 is Duoed one than the preimpregnation yarn quantity of preparation, and promptly (N+1) is individual, and the blade cuts path does not contact fibre bundle along the position of center line in adjacent fiber interfascicular crack.As shown in Figure 2, the solid arrow indicating positions is the cutting position of first group of ultrasonic knife cutting system 10, and the width of pre-soaking fiber bundle is a, and the cutting spacing is b.Regulate the depth of cut and the power of ultrasonic knife cutting system, assurance is only cut film P and is unlikely to lower back lining paper B is cut off, and uses ultrasonic knife cutting system 10 can improve cutting accuracy and cut quality, prolongs the service life of cutting knife.
After cutting is finished,, collect lower back lining paper B by lower back lining paper take-up ribbon spool 12 with the lower back lining paper B separation of preimpregnation yarn.The backing paper of collecting can be positioned over backing paper spool 4 and reuse.
Utilize preimpregnation yarn take-up ribbon spool 11 to collect the preimpregnation yarn, the number of preimpregnation yarn take-up ribbon spool 11 is N.
The cross section pattern of final preimpregnation yarn as shown in Figure 3, the flat fiber F upper surface of impregnating resin is covered with thin film P, fiber F width is a, film P width is b.
Claims (3)
1, a kind of automatic spreading pre steeping yarn ultrasonic cut preparation method is characterized in that being made up of following preparation technology:
(1), fibre bundle derived from creel after, the parallel expansion of fibre bundle is arranged, and reserves cutting gap each other;
(2), resin heating hot melt, be coated on the backing paper and form glued membrane;
(3), the fiber that flattens with the glued membrane on the two-layer backing paper up and down compound after overheated pressure roller, the glued membrane melted by heating, impregnation of fibers passes through cooling and shaping then, obtains the preimpregnation band;
(4), remove the last backing paper of preimpregnation band after, cover thin film at the fiber upper surface;
(5), through one group of ultrasonic knife cutting system, along the gap center line of fibre bundle in the preimpregnation band film is cut into strip, obtain the preimpregnation yarn;
(6), remove the lower back lining paper after, the filament bundle preimpregnation yarn that is covered with film is collected into web-like respectively.
2, automatic spreading pre steeping yarn according to claim 1 ultrasonic cut preparation method, it is characterized in that: in this process of described ultrasonic cut, adjust the depth of cut and the power of ultrasonic knife cutting system, guarantee film is cut, and do not cut off the lower back lining paper.
3, automatic spreading pre steeping yarn according to claim 1 ultrasonic cut preparation method is characterized in that: also comprise the process that backing paper is up and down reclaimed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610097434 CN1948565A (en) | 2006-11-08 | 2006-11-08 | Once ultrasonic cutting preparation method of automatic yarn spreading pre-steeping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610097434 CN1948565A (en) | 2006-11-08 | 2006-11-08 | Once ultrasonic cutting preparation method of automatic yarn spreading pre-steeping |
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| Publication Number | Publication Date |
|---|---|
| CN1948565A true CN1948565A (en) | 2007-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610097434 Pending CN1948565A (en) | 2006-11-08 | 2006-11-08 | Once ultrasonic cutting preparation method of automatic yarn spreading pre-steeping |
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| CN (1) | CN1948565A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101932430A (en) * | 2007-11-30 | 2010-12-29 | 帝人芳纶有限公司 | Flexible continuous tape and manufacture method thereof by the multifilament manufacturing |
| CN102837429A (en) * | 2012-09-07 | 2012-12-26 | 中国航空工业集团公司北京航空材料研究院 | Orientated non-continuous fiber prepreg and preparation equipment thereof |
| CN103696073A (en) * | 2013-12-10 | 2014-04-02 | 东华大学 | System for preparing prepreg yarns by adopting powdered coating method |
| CN105346200A (en) * | 2015-12-01 | 2016-02-24 | 陕西天策新材料科技有限公司 | Thermoplastic prepreg prepared through continuous laminating method and method thereof |
| CN109664435A (en) * | 2018-06-07 | 2019-04-23 | 中山市富达运动器材有限公司 | A kind of manufacture craft of fibre knitting cloth |
| CN110653965A (en) * | 2018-06-28 | 2020-01-07 | 山东江山纤维科技有限公司 | Manufacturing equipment and manufacturing process of continuous fiber reinforced prepreg yarns |
| CN110877428A (en) * | 2019-12-17 | 2020-03-13 | 山东江山纤维科技有限公司 | Device and method for preparing high-performance pre-impregnated yarn |
| WO2021072578A1 (en) * | 2019-10-14 | 2021-04-22 | 江西亚美达科技有限公司 | Flat filament drawing machine |
| CN113183479A (en) * | 2021-04-30 | 2021-07-30 | 杨立娟 | Composite fiber board processing equipment for new material processing |
| CN116463783A (en) * | 2023-04-24 | 2023-07-21 | 东莞煜强复合材料有限公司 | Production process of carbon fiber woven cloth |
| WO2024183111A1 (en) * | 2023-03-03 | 2024-09-12 | 江苏科技大学 | Preparation method and device for fiber wire for friction stir welding, and welding method for fiber wire |
-
2006
- 2006-11-08 CN CN 200610097434 patent/CN1948565A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101932430A (en) * | 2007-11-30 | 2010-12-29 | 帝人芳纶有限公司 | Flexible continuous tape and manufacture method thereof by the multifilament manufacturing |
| CN101932430B (en) * | 2007-11-30 | 2013-12-04 | 帝人芳纶有限公司 | Flexible continuous tape from multifilament yarn and method for making these |
| CN102837429A (en) * | 2012-09-07 | 2012-12-26 | 中国航空工业集团公司北京航空材料研究院 | Orientated non-continuous fiber prepreg and preparation equipment thereof |
| CN102837429B (en) * | 2012-09-07 | 2014-09-24 | 中国航空工业集团公司北京航空材料研究院 | Orientated non-continuous fiber prepreg and preparation equipment thereof |
| CN103696073A (en) * | 2013-12-10 | 2014-04-02 | 东华大学 | System for preparing prepreg yarns by adopting powdered coating method |
| CN105346200A (en) * | 2015-12-01 | 2016-02-24 | 陕西天策新材料科技有限公司 | Thermoplastic prepreg prepared through continuous laminating method and method thereof |
| CN109664435A (en) * | 2018-06-07 | 2019-04-23 | 中山市富达运动器材有限公司 | A kind of manufacture craft of fibre knitting cloth |
| CN110653965A (en) * | 2018-06-28 | 2020-01-07 | 山东江山纤维科技有限公司 | Manufacturing equipment and manufacturing process of continuous fiber reinforced prepreg yarns |
| WO2021072578A1 (en) * | 2019-10-14 | 2021-04-22 | 江西亚美达科技有限公司 | Flat filament drawing machine |
| CN110877428A (en) * | 2019-12-17 | 2020-03-13 | 山东江山纤维科技有限公司 | Device and method for preparing high-performance pre-impregnated yarn |
| CN110877428B (en) * | 2019-12-17 | 2023-06-06 | 山东江山纤维科技有限公司 | Device and method for preparing high-performance prepreg yarns |
| CN113183479A (en) * | 2021-04-30 | 2021-07-30 | 杨立娟 | Composite fiber board processing equipment for new material processing |
| WO2024183111A1 (en) * | 2023-03-03 | 2024-09-12 | 江苏科技大学 | Preparation method and device for fiber wire for friction stir welding, and welding method for fiber wire |
| CN116463783A (en) * | 2023-04-24 | 2023-07-21 | 东莞煜强复合材料有限公司 | Production process of carbon fiber woven cloth |
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