CN101962874A - Non-weaving manufacturing method for metal fiber meshes - Google Patents
Non-weaving manufacturing method for metal fiber meshes Download PDFInfo
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- CN101962874A CN101962874A CN2010102800499A CN201010280049A CN101962874A CN 101962874 A CN101962874 A CN 101962874A CN 2010102800499 A CN2010102800499 A CN 2010102800499A CN 201010280049 A CN201010280049 A CN 201010280049A CN 101962874 A CN101962874 A CN 101962874A
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Abstract
The invention discloses a non-weaving manufacturing method for metal fiber meshes, which comprises the following steps of: cutting metal fibers into the specified length, adopting an opener, opening the fibers into naturally bend fibers, manually paving uniformly, manually feeding into a hopper through a window, uniformly stripping metal fiber agglomerates by using a high-speed rotary spike tooth in the hopper, uniformly feeding the fibrous layer into a cylinder rotating at a high speed through a licker-in, uniformly stripping into fiber meshes by using a roller, overlaying a plurality of fibrous layers by using a reciprocating work roll, and rolling into the finished products. The method has the advantages of: long fibers, better tension between fiber meshes, no impurity, adoption of non-weaving technology, better contamination-endure capability, higher air permeability and better foldability.
Description
Technical field
The present invention relates to a kind of nonwoven manufacture method of metal fiber felt, especially a kind of nonwoven manufacture method of stainless steel fiber web.
Background technology
Metal fibre is new material and the high-tech product that grows up over nearly 30 years, the stainless steel fibre sintering felt of making by stainless steel metal fibre, has high temperature resistant, corrosion-resistant, high strength, collapsible, reusable, life-span is long, characteristics such as good penetrability, and be widely used in fields such as chemical fibre polyester melt, petrochemical industry, medicine, aviation, nuclear power.
Metal fiber felt is formed by the metal web sintering, and metal current fiber main manufacture methods into the net is divided into wet method, air-flow method, and the uniformity of metal fibre and length have determined fiber quality into the net.
1) wet method: fiber is cut into different length by different accuracy, under the suspended state, adopt filter method to become net in the aqueous solution fiber, advantage is to spread 2.5 microns short fiber (the thinnest specification of stainless steel fibre at present).Good evenness, processing cost is low, and weak point is that the drying time of netting is longer, can not produce continuously, and fibre length is below 20mm, and there are clay remnants the inside, and the precision influence after folding is bigger.
2) method of air lay is utilized principle of dynamics.Fiber is cut into different length, and under the cylinder effect of rotation at a high speed, fiber comes off from card clothing, is evenly sent into by air-flow to become net on the lace curtaining, perhaps with induced-draught fan principle formation air-flow fiber evenly is adsorbed on and becomes net on the lace curtaining.The characteristics of this method are: make fiber web even, will guarantee that at first feeding is even, fiber can not be oversize, (generally below 20mm) domestic machinery at present generally can not satisfy its technological requirement, and adopt the equipment of U.S. Lan Duo company, cost an arm and a leg, and wayward.
In addition, present nonwoven fabric cylinder, roller combing production method also are not suitable for metal fibre.Because metal fibre is compared with fibers such as cotton, fiber crops, silks, its frictional force each other is little, thereby causes metal fibre grip each other not enough, makes of present producing technology of non-woven fabrics, does not also become net.In addition, metal fibre, can not dispelled as fibers such as cotton, fiber crops, silks when feeding hopper by cotton window than great, is evenly distributed, and tends to towards a direction set clump together, and forms fibrous mass, can't send into next process.In addition, the thorn on the present licker-in is made by iron material, and hardness is less, is not suitable for metal fibre.The density of the thorn on the licker-in is bigger, metal fibre can't be peeled off evenly.In sum, metal fibre can't be manufactured net with present nonwoven fabric cylinder, roller combing production method.
Summary of the invention
The present invention will solve the shortcoming of above-mentioned prior art, a kind of nonwoven manufacture method of metal web is provided, existing nonwoven fabric cylinder, roller combing production method are improved, made it be applicable to that producing metal fibre becomes net, thereby solved the defective of wet method, airlaid web.
The present invention solves the technical scheme that its technical problem adopts: the nonwoven manufacture method of this metal web, metal fibre is cut into the length of regulation, adopt opener, fiber opening is become natural torsion, artificial then shop is even, again by manually feeding hopper from cotton window, then metal fibre agglomerate is evenly peeled off by the rotation of the high speed in hopper rake, pass through licker-in, fibrage is evenly sent into the cylinder of rotation at a high speed, evenly peel off into fiber web with roller, after then multi-layered web being superposeed by the working in reciprocating mode roller, finished product is made in pressure rolling.In order to solve the not enough problem of metal fibre grip each other, become nature to become bent the metal fibre shredding with opener earlier, thereby can change metal fibre grip each other.In order to solve metal fibre than great, the problem of the group of being combined into easily in hopper, before sending into hopper, even with artificial shop earlier.Without air blast fiber is sent into hopper in addition, but with manually fiber being sent into hopper, the problem of having avoided metal fibre to clump together at wind-force effect next part.In hopper, metal fibre agglomerate is evenly peeled off again, thereby reached purpose metal fibre is even, that disperse, to send into next process with rotating rake at a high speed.Facts have proved,,, thereby solved metal fibre wet-laying, the existing problem of airlaid web with regard to the metal web of producing that can be successful by nonwoven fabric dry type production technology is carried out above improvement.
Length after metal fibre is sheared is: 41mm~33mm.Like this, metal fibre is just greater than the limiting length of wet-laying, airlaid web: 20mm, thus make the pulling force between the fiber web better, foldability is better.
Metal fibre before sending into the opener shredding, first pressure rolling waviness.After the pressure rolling waviness, can further increase metal fibre grip each other, help into net.
Thorn on the licker-in is made by alloy material, and height is less than 35mm, and the spacing between the thorn is less than 1.2mm.Because metal fibre than great, through assembly is agglomerating easily behind the cotton window, with smaller, closeer thorn, disperses metal fibre easily, the shop is even.In addition, hardness of alloy is bigger, is applicable to metal fibre, long service life.
The rotating speed of opener is 1200 rev/mins~1400 rev/mins, and the speed of conveyer belt is 5 meters/minute.Like this, can guarantee the metal fibre shredding is become natural torsion.
Flexibility after the metal fibre shredding is that 3 sth. made by twisting~4 are twisted with the fingers (1 is twisted as 360 degree).Like this, can fully ensure metal fibre grip each other.
Rake rotating speed in the hopper is 500 rev/mins~600 rev/mins.Rake rotating speed in the common hopper is 100 rev/mins, is low speed, and high-revolving rake helps metal fibre is peeled off evenly.
The effect that the present invention is useful is:
1) fibre length is long, and the pulling force between the fiber web is better.Generally between 41mm~33mm, wet method and air-flow method are generally below 20mm for the fibre length that the dry method non-woven technology adopts.2) free from admixture adopts non-woven technology, does not have any impurity, and pollutant is better.Wet method adopts the clay suspension technology, be difficult for cleaning up, and pollutant is relatively poor.3) gas permeability is stronger, and the gap between the fiber is bigger, fully disperses between fiber and the fiber, has better permeability.4) foldability is better, because the fiber between the fiber web is implicative of each other together, adds that fibre length is longer, so have better folding property, when being processed into filter core, its precision changes littler.
The specific embodiment
Below be to be the production method of example with the stainless steel fiber web:
Earlier with stainless steel fibre pressure rolling waviness.Again stainless steel fibre is cut into 41mm~33mm.Adopt opener, the stainless steel fibre shredding is become natural torsion, artificial then shop is even, fiber by feeding hopper from cotton window manually, is evenly peeled off stainless steel fibre group by the rotation of the high speed in hopper rake again, passed through licker-in, the stainless steel fibre layer is evenly sent into the cylinder of rotation at a high speed, evenly peel off into fiber web with roller, after then multi-layered web being superposeed by the working in reciprocating mode roller, finished product is made in pressure rolling.Because card clothing becomes net that certain directionality is arranged, when multi-layered web is superposeed by the working in reciprocating mode roller, fiber web can be intersected to spread and make, to improve the uniformity of fibre web.
Thorn on the licker-in is made by alloy material, and height is less than 35mm, and the spacing between the thorn is less than 1.2mm.The alloy material here is a Mg-Fe alloy, and hardness is higher than the iron of using on the common licker-in.The rotating speed of opener is 1200 rev/mins~1400 rev/mins.Flexibility after the metal fibre shredding is that 3 sth. made by twisting~4 are twisted with the fingers.Rake rotating speed in the hopper is 500 rev/mins~600 rev/mins.
The metal web of making is put into the vacuum sintering furnace sintering after superposeing through multilayer, uses the rivet bucker spreading again, just can be made into metal fiber felt, is widely used in fields such as chemical fibre polyester melt, petrochemical industry, medicine, aviation, nuclear power.
Though the present invention illustrates and describes by the reference preferred embodiment,, those skilled in the art should understand, and in the scope of claims, can do the various variation on form and the details.
Claims (7)
1. the nonwoven manufacture method of a metal web, it is characterized in that: metal fibre is cut into the length of regulation, adopt opener, fiber opening is become natural torsion, artificial then shop is even, by manually feeding hopper, then metal fibre agglomerate is evenly peeled off again, passed through licker-in by the rotation of the high speed in hopper rake from cotton window, fibrage is evenly sent into the cylinder of rotation at a high speed, evenly peel off into fiber web with roller, after then multi-layered web being superposeed by the working in reciprocating mode roller, finished product is made in pressure rolling.
2. metal fibre according to claim 1 nonwoven manufacture method into the net is characterized in that: the length after described metal fibre is sheared is: 41mm~33mm.
3. metal fibre according to claim 1 nonwoven manufacture method into the net is characterized in that: described metal fibre before sending into the opener shredding, first pressure rolling waviness.
4. metal fibre according to claim 1 goes out nonwoven manufacture method into the net, it is characterized in that: the thorn on the described licker-in is made by alloy material, and height is less than 35mm, and the spacing between the thorn is less than 1.2mm.
5. the nonwoven manufacture method of metal web according to claim 1, it is characterized in that: the rotating speed of described opener is 1200 rev/mins~1400 rev/mins, and the speed of conveyer belt is 5 meters/minute.
6. metal fibre according to claim 1 nonwoven manufacture method into the net is characterized in that: the flexibility after the described metal fibre shredding is that 3 sth. made by twisting~4 are twisted with the fingers.
7. metal fibre according to claim 1 nonwoven manufacture method into the net is characterized in that: the rake rotating speed in the described hopper is 500 rev/mins~600 rev/mins.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102912555A (en) * | 2012-10-19 | 2013-02-06 | 新乡市利尔过滤技术有限公司 | High temperature combustion resistant fiber felt |
CN107338576A (en) * | 2017-08-24 | 2017-11-10 | 安徽依采妮纤维材料科技有限公司 | One kind melt-blown composite alloy plant fiber non-woven fabric fabric and preparation method thereof |
CN110088369A (en) * | 2017-01-16 | 2019-08-02 | 株式会社巴川制纸所 | Buffering paper |
CN110670241A (en) * | 2019-10-17 | 2020-01-10 | 东华大学 | Mixed fiber non-woven felt for liquid guide core of electronic cigarette and preparation method thereof |
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US20030203692A1 (en) * | 1996-02-23 | 2003-10-30 | Alexander Krupnik | Nonwoven metal fabric and method of making same |
CN1529777A (en) * | 2001-07-18 | 2004-09-15 | ������������ʽ���� | Metallic fiber nonwoven fabric manufacturing apparatus, its manufacturing method and laminated aluminium material manufacturing method |
CN2823835Y (en) * | 2004-12-28 | 2006-10-04 | 西部金属材料股份有限公司 | Metal strainer for filtering high temp smoke |
CN101198437A (en) * | 2005-06-17 | 2008-06-11 | 排放技术有限公司 | Producing a honeycomb body with a metallic fleece |
CN101302682A (en) * | 2008-07-03 | 2008-11-12 | 吉林邦安宝医用设备有限公司 | Production method and apparatus of antibiotic superfine fibre nonwoven cloth with nano-silver being embedded |
CN101607157A (en) * | 2009-04-17 | 2009-12-23 | 河北小蜜蜂工具集团有限公司 | A kind of manufacture method of iron-chromium-aluminum metal fiber filter material |
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2010
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US20030203692A1 (en) * | 1996-02-23 | 2003-10-30 | Alexander Krupnik | Nonwoven metal fabric and method of making same |
CN1529777A (en) * | 2001-07-18 | 2004-09-15 | ������������ʽ���� | Metallic fiber nonwoven fabric manufacturing apparatus, its manufacturing method and laminated aluminium material manufacturing method |
CN2823835Y (en) * | 2004-12-28 | 2006-10-04 | 西部金属材料股份有限公司 | Metal strainer for filtering high temp smoke |
CN101198437A (en) * | 2005-06-17 | 2008-06-11 | 排放技术有限公司 | Producing a honeycomb body with a metallic fleece |
CN101302682A (en) * | 2008-07-03 | 2008-11-12 | 吉林邦安宝医用设备有限公司 | Production method and apparatus of antibiotic superfine fibre nonwoven cloth with nano-silver being embedded |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102912555A (en) * | 2012-10-19 | 2013-02-06 | 新乡市利尔过滤技术有限公司 | High temperature combustion resistant fiber felt |
CN110088369A (en) * | 2017-01-16 | 2019-08-02 | 株式会社巴川制纸所 | Buffering paper |
US10988876B2 (en) | 2017-01-16 | 2021-04-27 | Tomoegawa Co., Ltd | Cushion paper |
CN110088369B (en) * | 2017-01-16 | 2022-02-11 | 株式会社巴川制纸所 | Buffering paper |
CN107338576A (en) * | 2017-08-24 | 2017-11-10 | 安徽依采妮纤维材料科技有限公司 | One kind melt-blown composite alloy plant fiber non-woven fabric fabric and preparation method thereof |
CN110670241A (en) * | 2019-10-17 | 2020-01-10 | 东华大学 | Mixed fiber non-woven felt for liquid guide core of electronic cigarette and preparation method thereof |
CN110670241B (en) * | 2019-10-17 | 2024-03-29 | 东华大学 | Mixed fiber non-woven felt for liquid guide core of electronic cigarette and preparation method thereof |
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Open date: 20110202 |