CN107558002A - A kind of method for improving carbon fiber felt feed increcement - Google Patents
A kind of method for improving carbon fiber felt feed increcement Download PDFInfo
- Publication number
- CN107558002A CN107558002A CN201711004152.9A CN201711004152A CN107558002A CN 107558002 A CN107558002 A CN 107558002A CN 201711004152 A CN201711004152 A CN 201711004152A CN 107558002 A CN107558002 A CN 107558002A
- Authority
- CN
- China
- Prior art keywords
- fibre web
- acupuncture
- carbon fibre
- carbon fiber
- negative pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The present invention relates to a kind of method for improving carbon fiber felt feed increcement, belong to technical field of textile processing.When described method refers to use in carbon fiber felt needling process to the carbon fibre web after shredding combing and lapping by acupuncture platform upper surface, negative-pressure adsorption is carried out to the carbon fibre web of puffy under condition of negative pressure, carbon fibre web is adsorbed to shrink to negative pressure traffic direction, while carbon fibre web shrinks, the upper acupuncture board pricker above acupuncture platform carries out acupuncture to the carbon fibre web after contraction.Negative pressure first to the carbon fibre web of puffy adsorb contraction, and to realize carbon fibre web closely knit, reduces acupuncture number, improves the feed increcement of carbon fiber felt；Negative pressure to carbon fiber bundle negative-pressure adsorption effect overcome carbon fiber because surface is smooth cause carbon fibre web feed increcement low the problem of, so as to improve the acupuncture effect of carbon fiber felt and improve final product quality, reduce the cost of production.
Description
Technical field
The present invention relates to a kind of method for improving carbon fiber felt feed increcement, belong to technical field of textile processing.
Background technology
Carbon fiber felt is because axial strength and modulus are high, and density is low, higher than performance, no creep, resistance to super under non-oxidizing atmosphere
High temperature, fatigue durability is good, acid and alkali-resistance, high temperature resistant, does not burn, be anti-oxidant, sound insulation, and X-ray transparent is good, good conductive and heat-conductive
Performance, electromagnetic wave shielding are good etc..Carbon fiber felt obtains extensive use in military and civilian industry every field.From space flight,
The civilian industries such as aviation, automobile, electronics, machinery, chemical industry, light textile are to sports equipment and leisure goods etc..Fibre reinforced is answered
Condensation material can apply to the industrial circles such as the military industry fields such as aircraft manufacturing, wind power generation blade, electromagnetic shielding except electric material, people
The body such as work ligament substitute material and for manufacturing rocket envelope, power ship, industrial robot, leaf springs of car and drive shaft
Deng the sports field such as bat.The manufacturing process of conventional carbon fiber felt is that carbon fiber is carried out into lapping after shredding combs, with band
If there is the pricker that hook pierces to carry out acupuncture through dried layer carbon fibre web, the carbon fiber bundle formed when pricker is pierced into carbon fibre web passes through
Carbon fibre web, fibre bundle run through between different layers carbon fibre web, on the one hand add the interlayer strength between carbon fibre web, separately
On the one hand the carbon fiber in every layer of web is changed from soft fluffy state to dense state, gradually form with interlayer strength
Carbon fiber felt.Such as Chinese patent publication No. CN104999724A, date of publication on October 28th, 2015, innovation and creation it is entitled
" a kind of oxygen-enriched silk Nomex of carbon fiber and preparation method and application ", this application case discloses the oxygen-enriched silk Nomex master of carbon fiber
It is divided into the height of the oxygen-enriched silk individual layer screen cloth composition of first presheaf, two layers or more of carbon fiber of the individual layer mesh sheet composition through pre-needling
The hot sealing layer of close layer and the main dial composition of the oxygen-enriched silk of carbon fiber handled by acupuncture press polish, wherein just presheaf, high-density layer, heat-sealing
Layer is made by main-needling machine and to the combination process of Ci Ji tetra-.It is disadvantageous in that forms the oxygen-enriched silk pin of carbon fiber by acupuncture
During piercing felt, because carbon fiber surface is smooth, when pricker hook pierces to form fibre bundle, part carbon fiber because coefficient of friction is small and
Cause fibre bundle formation efficiency low, cause acupuncture to reach closely knit less efficient；And because carbon fiber bundle frictional force is smaller, cause
It is unfavorable that its strength of interlayer to the oxygen-enriched silk Nomex of carbon fiber increases.
The content of the invention
For above-mentioned problem, it is an object of the invention to provide a kind of side for improving carbon fiber felt feed increcement
Method, to achieve these goals, its technical solution is：
A kind of method for improving carbon fiber felt feed increcement, described carbon fibre web acupuncture refer to set below acupuncture platform
Negative pressure device, the carbon fibre web after shredding combing and lapping pass through acupuncture platform upper surface with 10-20m/min transporting velocity
When, negative-pressure adsorption is carried out to the carbon fibre web of puffy under conditions of being 0.1-10MPa in the negative pressure of negative pressure device, after absorption
Carbon fibre web shrinks to negative pressure traffic direction, while carbon fibre web shrinks, upper acupuncture board pricker above acupuncture platform with
1000-1500 times/min frequency carries out acupuncture to the carbon fibre web after contraction, and upper acupuncture board pricker density is 2000-3000
Piece/m.
As a result of above technical scheme, the present invention be on the premise of existing carbon fiber felt needling process is not changed,
Acupuncture is carried out to the carbon fibre web after shredding combing and lapping under condition of negative pressure.Carbon of the negative pressure of negative pressure device to puffy
Web carries out negative-pressure adsorption, because the air-flow that the negative pressure of negative pressure device is formed makes carbon fiber in carbon fibre web fit perfectly in acupuncture platform
On, the space between carbon fiber reduces, and bottom carbon fibre web shrinks to negative pressure direction first, then the same bottom of the carbon fibre web on upper strata
Carbon fibre web gradually shrinks to negative pressure direction successively, and final carbon fibre web increases to negative pressure traffic direction overall shrinkage, bulk density
Greatly, carbon fibre web reaches dense state.While carbon fibre web shrinks, the upper acupuncture board pricker above acupuncture platform is to shrinking
Rear carbon fibre web carries out acupuncture, because carbon fibre web reaches dense state before acupuncture, the carbon fiber radical in unit volume
Increase, the increase of frictional force between carbon fiber, when pricker is to carbon fibre web acupuncture after contraction, pricker, which declines, drives carbon fiber
Amount of carbon fiber in beam increases, and the frictional force increased between carbon fiber the increase of amount of carbon fiber causes carbon fiber bundle close and obvolvent
Power strengthens, so that the riveting effect of carbon fiber bundle is strengthened, the interlayer strength between carbon fibre web increases, and negative pressure is to carbon fiber
Beam negative-pressure adsorption effect overcome carbon fiber because skin-friction coefficient is small cause carbon fibre web feed increcement low the problem of.Cause
This, employs the technical program, and negative pressure first to the carbon fibre web of puffy adsorb contraction, and to realize carbon fibre web closely knit, subtracts
The number of acupuncture is lacked, has improved the feed increcement of carbon fiber felt, improved the final product quality of carbon fiber felt, add carbon fiber
The bulk density and product quality of felt, reduce the cost of production.
Embodiment
The carbon fiber felt negative pressure needle-punching method of the present invention is described in further detail with reference to specific embodiment：It is a kind of
The method for improving carbon fiber felt feed increcement, this method is the carbon fiber shredding in existing carbon fiber felt needling process is not changed
Combing, carbon fiber lapping, carbon fibre web acupuncture process, using negative pressure device is set below acupuncture platform, negative pressure device can use
Vavuum pump or centrifugal fan, the carbon fibre web after shredding combing and lapping process pass through pin with 10-20m/min transporting velocity
When piercing platform upper surface, negative pressure suction is carried out to the carbon fibre web of puffy under conditions of being 0.1-10MPa in the negative pressure of negative pressure device
Attached, the carbon fibre web after absorption shrinks to negative pressure traffic direction, while carbon fibre web shrinks, the upper pin above acupuncture platform
Pierce plate pricker and acupuncture is carried out to the carbon fibre web after contraction with 1000-1500 times/min frequency, upper acupuncture board pricker density is
2000-3000 pieces/m.Negative pressure first carries out absorption contraction to the carbon fibre web of puffy, is completely embedded carbon fibre web, reduces
The number of acupuncture, the feed increcement of carbon fiber felt is improved, so as to improve final product quality, the volume for adding carbon fiber felt is close
Degree and product quality, reduce the cost of production.
Specific embodiment
Embodiment 1
Carbon fibre web of the carbon fiber after shredding combing and lapping passes through acupuncture platform upper surface with 10m/min transporting velocity
When, negative-pressure adsorption is carried out to the carbon fibre web of puffy under conditions of being 0.1MPa in the negative pressure as caused by vavuum pump, after absorption
Carbon fibre web to negative pressure traffic direction shrink, the upper acupuncture board pricker above acupuncture platform is with 1000 times/min frequency pair
Carbon fibre web after absorption carries out acupuncture, and upper acupuncture board pricker density is 2000 pieces/m.By the carbon fiber after negative pressure acupuncture
Felt carries out cutting and weighed.
Embodiment 2
Carbon fibre web of the carbon fiber after shredding combing and lapping passes through acupuncture platform upper surface with 15m/min transporting velocity
When, negative-pressure adsorption, absorption are carried out to the carbon fibre web of puffy under conditions of being 0.1MPa in the negative pressure as caused by centrifugal fan
Carbon fibre web afterwards shrinks to negative pressure traffic direction, and the upper acupuncture board pricker above acupuncture platform is with 1200 times/min frequency
Acupuncture is carried out to the carbon fibre web after absorption, upper acupuncture board pricker density is 2500 pieces/m.Carbon after negative pressure acupuncture is fine
Dimension felt carries out cutting and weighed.
Embodiment 3
Carbon fibre web of the carbon fiber after shredding combing and lapping passes through acupuncture platform upper surface with 20m/min transporting velocity
When, negative-pressure adsorption is carried out to the carbon fibre web of puffy under conditions of being 0.1MPa in the negative pressure as caused by vavuum pump, after absorption
Carbon fibre web to negative pressure traffic direction shrink, the upper acupuncture board pricker above acupuncture platform is with 1500 times/min frequency pair
Carbon fibre web after absorption carries out acupuncture, and upper acupuncture board pricker density is 3000 pieces/m.By the carbon fiber after negative pressure acupuncture
Felt carries out cutting and weighed.
Embodiment 4
Carbon fibre web of the carbon fiber after shredding combing and lapping passes through acupuncture platform upper surface with 20m/min transporting velocity
When, negative-pressure adsorption is carried out to the carbon fibre web of puffy under conditions of being 5MPa in the negative pressure as caused by vavuum pump, after absorption
Carbon fibre web shrinks to negative pressure traffic direction, and the upper acupuncture board pricker above acupuncture platform is with 1500 times/min frequency to inhaling
Attached carbon fibre web carries out acupuncture, and upper acupuncture board pricker density is 3000 pieces/m.By the carbon fiber felt after negative pressure acupuncture
Cutting is carried out to weigh.
Embodiment 5
Carbon fibre web of the carbon fiber after shredding combing and lapping passes through acupuncture platform upper surface with 20m/min transporting velocity
When, negative-pressure adsorption is carried out to the carbon fibre web of puffy under conditions of being 10MPa in the negative pressure as caused by vavuum pump, after absorption
Carbon fibre web shrinks to negative pressure traffic direction, and the upper acupuncture board pricker above acupuncture platform is with 1500 times/min frequency to inhaling
Attached carbon fibre web carries out acupuncture, and upper acupuncture board pricker density is 3000 pieces/m.By the carbon fiber felt after negative pressure acupuncture
Cutting is carried out to weigh.
The bulk density table of comparisons of carbon fiber felt and the carbon fiber felt of routine needling technique productions after the negative pressure acupuncture of table 1
As shown in Table 1, due to effect of the negative pressure to carbon fibre web, increase the carbon fiber felt bulk density after acupuncture, carbon
Fibrofelt is more closely knit, increases with the negative pressure pressure of negative pressure device, the bulk density increase of carbon fiber felt.It follows that negative pressure
The feed increcement of carbon fiber felt is improved, improves the acupuncture effect of carbon fiber felt.
Claims (1)
1. a kind of method for improving carbon fiber felt feed increcement, the carbon fiber shredding comb being included in carbon fiber felt needling process
Reason, carbon fiber lapping, carbon fibre web acupuncture, it is characterised in that：Described carbon fibre web acupuncture refers to set below acupuncture platform
Negative pressure device, the carbon fibre web after shredding combing and lapping pass through acupuncture platform upper surface with 10-20m/min transporting velocity
When, negative-pressure adsorption is carried out to the carbon fibre web of puffy under conditions of being 0.1-10MPa in the negative pressure of negative pressure device, after absorption
Carbon fibre web shrinks to negative pressure traffic direction, while carbon fibre web shrinks, upper acupuncture board pricker above acupuncture platform with
1000-1500 times/min frequency carries out acupuncture to the carbon fibre web after contraction, and upper acupuncture board pricker density is 2000-3000
Piece/m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711004152.9A CN107558002A (en) | 2017-10-24 | 2017-10-24 | A kind of method for improving carbon fiber felt feed increcement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711004152.9A CN107558002A (en) | 2017-10-24 | 2017-10-24 | A kind of method for improving carbon fiber felt feed increcement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107558002A true CN107558002A (en) | 2018-01-09 |
Family
ID=60987147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711004152.9A Pending CN107558002A (en) | 2017-10-24 | 2017-10-24 | A kind of method for improving carbon fiber felt feed increcement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107558002A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300914A (en) * | 2019-12-09 | 2020-06-19 | 深圳市欣天科技股份有限公司 | Preparation method of high-strength low-resistivity composite conductive plastic |
| CN113681932A (en) * | 2021-08-16 | 2021-11-23 | 西安联瑞科技实业有限责任公司 | Preparation method of composite material plate spring body based on winding forming and plate spring body |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6750166B1 (en) * | 1998-06-20 | 2004-06-15 | Corovin Gmbh | Method for producing a non-woven fibre fabric |
| CN106626710A (en) * | 2016-12-30 | 2017-05-10 | 嘉兴启晟碳材料有限公司 | Carbon fiber insulation hard felt and preparation method thereof |
| CN107012590A (en) * | 2017-05-08 | 2017-08-04 | 大连华纶无纺设备工程有限公司 | A kind of lapping machine negative suction system |
| CN107083020A (en) * | 2017-05-19 | 2017-08-22 | 常熟市奥欣复合材料有限公司 | The recycling method of carbon fiber and its product |
| CN107119390A (en) * | 2016-02-23 | 2017-09-01 | 霍尼韦尔国际公司 | The difference acupuncture of carbon fiber preform |
-
2017
- 2017-10-24 CN CN201711004152.9A patent/CN107558002A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6750166B1 (en) * | 1998-06-20 | 2004-06-15 | Corovin Gmbh | Method for producing a non-woven fibre fabric |
| CN107119390A (en) * | 2016-02-23 | 2017-09-01 | 霍尼韦尔国际公司 | The difference acupuncture of carbon fiber preform |
| CN106626710A (en) * | 2016-12-30 | 2017-05-10 | 嘉兴启晟碳材料有限公司 | Carbon fiber insulation hard felt and preparation method thereof |
| CN107012590A (en) * | 2017-05-08 | 2017-08-04 | 大连华纶无纺设备工程有限公司 | A kind of lapping machine negative suction system |
| CN107083020A (en) * | 2017-05-19 | 2017-08-22 | 常熟市奥欣复合材料有限公司 | The recycling method of carbon fiber and its product |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300914A (en) * | 2019-12-09 | 2020-06-19 | 深圳市欣天科技股份有限公司 | Preparation method of high-strength low-resistivity composite conductive plastic |
| CN113681932A (en) * | 2021-08-16 | 2021-11-23 | 西安联瑞科技实业有限责任公司 | Preparation method of composite material plate spring body based on winding forming and plate spring body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107558002A (en) | A kind of method for improving carbon fiber felt feed increcement | |
| CN105291448B (en) | The preparation facilities and method of a kind of three-dimensional hollow composite | |
| US20050136761A1 (en) | Fire-Retardant Composite Material | |
| CN106436016B (en) | A kind of graphene fiber flame-retardant conductive non-woven fabrics and preparation method thereof | |
| CN105172267B (en) | A kind of polyimide-based sandwich absorbing material and preparation method thereof | |
| CN102729539A (en) | Carbon fibre puncture preform and preparation method for same | |
| Jusoh et al. | Effect of stacking sequence on the tensile and flexural properties of glass fibre epoxy composites hybridized with basalt, flax or jute fibres | |
| CA2919123A1 (en) | Process of producing a thermoplastic-fiber composite and fan blades formed therefrom | |
| CN108004681B (en) | Conductive non-woven fabric and preparation method thereof | |
| CN108638619A (en) | Impact-resistant electromagnetic shielding laminate of one kind and the preparation method and application thereof | |
| CN109777087A (en) | A kind of high-content carbon fiber reinforced nylon composite material and preparation method | |
| CN113028900B (en) | Bulletproof helmet and processing method thereof | |
| CN107780049A (en) | A kind of negative pressure needle-punching method of aramid fiber felt | |
| CN220062741U (en) | Explosion-proof blanket with single fence integrated structure | |
| De Fazio et al. | Impact behaviour of a new Hemp/Carbon sandwich structure | |
| CN101831730B (en) | Shaping device and method for quantitatively feeding down feather | |
| CN207939834U (en) | A kind of prepreg | |
| CN107558001B (en) | Method for reducing needling density of polyimide fiber felt | |
| CN208006408U (en) | A kind of impact-resistant electromagnetic shielding laminate | |
| CN110962412A (en) | Fabric hybrid structure stab-resistant composite material and preparation method thereof | |
| CN107675365A (en) | A kind of negative pressure needle-punching method of quartz fiber felt | |
| CN107574572A (en) | A kind of method for improving viscose rayon felt bulk density | |
| CN107574573A (en) | A kind of method for reducing silk fiber felt needling density | |
| CN107558000A (en) | A kind of method for reducing strength loss in cotton fiber felt acupuncture course | |
| JP2001337681A (en) | Sound absorption insulator and its manufacturing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180109 |
|
| WD01 | Invention patent application deemed withdrawn after publication |