CN102296426A - Equipment used for producing double-compound spunbonded nonwoven fabric and manufacture method thereof - Google Patents

Equipment used for producing double-compound spunbonded nonwoven fabric and manufacture method thereof Download PDF

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Publication number
CN102296426A
CN102296426A CN2011102303448A CN201110230344A CN102296426A CN 102296426 A CN102296426 A CN 102296426A CN 2011102303448 A CN2011102303448 A CN 2011102303448A CN 201110230344 A CN201110230344 A CN 201110230344A CN 102296426 A CN102296426 A CN 102296426A
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China
Prior art keywords
component
measuring pump
spinning
flow channel
melt
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CN2011102303448A
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Chinese (zh)
Inventor
徐克勤
陈立东
濮颖军
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Wenzhou Changlong Textile Technology Co ltd
Wenzhou Chaolong Textile Machinery Co ltd
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Wenzhou Changlong Textile Technology Co ltd
Wenzhou Chaolong Textile Machinery Co ltd
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Priority to CN2011102303448A priority Critical patent/CN102296426A/en
Publication of CN102296426A publication Critical patent/CN102296426A/en
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  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

The invention relates to equipment used for producing double-compound spunbonded nonwoven fabric and a manufacture method thereof. The equipment comprises an A-component screw extruder, an A-component filter, an A-component metering pump, a B-component screw extruder, a B-component filter, a B-component metering pump, a spinning box body, a spinning assembly, a cooling device, a tractor, a lapper and a fiber net reinforcing device, wherein the spinning box body is a double-component spinning box body; two sets of A-component fusant runner and B-component fusant runner are arranged in the box body, wherein the A-component fusant runner and the B-component fusant runner are independently arranged; the inlets of the two fusant runners are respectively connected with the A-component metering pump and the B-component metering pump; the outlets of the two fusant runners are a group of discharge holes arranged along the width direction of the nonwoven fabric; the discharge holes are positioned on the mounting surface of the spinning assembly below the spinning box body; and the spinning assembly is a whole block of rectangular spinnerets.

Description

Be used to produce the equipment and the manufacture method of bicomponent spunbond non-weaving cloth
Technical field
The present invention relates to the production equipment and the manufacture method of composite spunbonding process non-weaving cloth, relate in particular to two kinds of equipment and manufacture methods that polymer is the raw material production spun-bonded non-woven of a kind of employing.
Background technology
Investigate the production equipment of spun-bonded non-woven and manufacture method (manufacturing technique) but according to difference tube-separating type drawing-off spinning, the drawing-off spinning of platelet rectangle and the whole plate rectangle drawing-off spinning three major types of spinning draft apparatus structure and technology.Wherein adopt the manufacturing equipment structure of whole plate rectangle drawing-off spinning technique the most reasonable simple, the minimum that takes up space, more can embody spunbond technology efficiently, characteristic cheaply, the spinning cloth outward appearance the best of being produced.And existing bicomponent spunbond nonwoven fabric equipment and production method have all adopted tubular type drafting system and technology.Used spinning manifold is two tanks substantially, and equipment volume is huge, cost height, the demand of incompatibility bicomponent spunbond non-weaving cloth development.
Summary of the invention
The present invention aims to provide a kind of equipment and manufacture method of producing the bicomponent spunbond non-weaving cloth, to overcome the defective that existing equipment exists.
The equipment that is used to produce the bicomponent spunbond non-weaving cloth provided by the present invention, comprise A component screw extruder, A component filter, A component measuring pump and B component screw extruder, B component filter, B component measuring pump and spinning manifold, filament spinning component, cooling device, extension apparatus, lapper and fibre web bracing means, described spinning manifold is the bi-component spinning manifold, be provided with independent A component melt flow channel and the B component melt flow channel that is provided with of two covers in the described casing, the import of two melt flow channel is connected with B component measuring pump with A component measuring pump respectively, the outlet of two melt flow channel is one group of discharging opening of arranging along the width of non-weaving cloth, described discharging opening is positioned on the installed surface of the filament spinning component below the spinning manifold, and described filament spinning component is a rectangle monoblock spinnerets.
The further technical scheme of the present invention is: also can be provided with A component static mixer between described A component measuring pump and the import of A component melt flow channel, also can be provided with B component static mixer between described B component measuring pump and the import of B component melt flow channel.Described extension apparatus is the whole plate full width air drawing device of open positive repoussage plate full width air drawing device or closed negative pressure.Described cooling device is a full width bilateral cold wind window.
The manufacture method of bicomponent spunbond non-weaving cloth provided by the present invention (or claiming manufacturing technique) comprises the steps:
(A), with the high polymer of A component and B component respectively through super-dry or directly send into separately independently in A component screw extruder and the B component screw extruder, the high polymer component after the fusion is sent into separately independently A component filter and B component filter respectively carry out pre-filtering and handle under the squeezing action of screw rod;
(B), A component melt and the B component melt handled through pre-filtering be admitted to separately independently A component measuring pump and B component measuring pump respectively, it is constant that the pressure of each measuring pump arrival end keeps;
(C), A component melt and the A component melt sent of A component measuring pump and B component measuring pump sent in the spinning manifold by the import of two melt flow channel of spinning manifold simultaneously, and in spinning manifold separately independently melt flow channel and runner exit disperseed and sent in the filament spinning component, melt carries out sub-distribution again and is combined to form required structure according to the runner that designs in the filament spinning component extruding downwards from the micropore of rectangle monoblock spinnerets;
(D), the strand extruded through spinnerets after being positioned at the movably cooling device of spinnerets below, adjusting the temperature of strand, continue to fall to entering extension apparatus, drafted attenuating forms one along the equally distributed fiber curtain in long limit;
(E), fall through the fiber curtain of drawing-off and be positioned on the lapper lace curtaining that extension apparatus transfers, be piled into fiber web, become lace curtaining to move to the fibre web bracing means continuously, drive fibre web and move continuously, form continuous fibre web, fibre web is admitted to reinforce in the bracing means and forms two component nonwoven fabric.
Be the temperature that reduces melt and the fluctuation of viscosity, in the described step (C), A component melt that A component measuring pump and B component measuring pump pump out and B component melt respectively earlier through behind A component static mixer and the B component static mixer again the import of two melt flow channel by spinning manifold send in the spinning manifold simultaneously.
Beneficial effect of the present invention: adopt above-mentioned manufacturing equipment and manufacture method (technology), can make the manufacturing equipment more compact structure, it is little to take production site, the production efficiency height, and the Fiber Distribution of product is more even, and the surface quality of cloth is better.
The invention will be further described below in conjunction with accompanying drawing and the specific embodiment.
Description of drawings
Fig. 1 is manufacturing equipment of the present invention and the corresponding schematic diagram of manufacturing process (technology);
Fig. 2 is the structural representation of whole plate filament spinning component of full width and open malleation full width air drawing device;
Fig. 3 is the structural representation of whole plate filament spinning component of full width and closed negative pressure full width air drawing device;
Fig. 4 is a bi-component spinning manifold structural representation;
Fig. 5 is bi-component spinning manifold two a melt distribution circuit outlet distribution schematic diagram;
Fig. 6 is the whole plate filament spinning component vertical view of full width;
Fig. 7 is the whole plate filament spinning component upward view of full width.
Drawing explanation: 1. bi-component spinning manifold, 2. filament spinning component, 3. cooling device (full width bilateral cold wind window), 4. fiber curtain (full width fiber curtain), 5. extension apparatus (just/the whole plate full width air drawing device of negative pressure), 6. casing body, 7. casing zone of heating (being heating system), 8.A component melt flow channel, 81.A component charging aperture, 9.B component melt flow channel, 91.B the component charging aperture,, 10. cabinet insulation layer, 11. cabinet shell, 12 unit installing boards.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, embodiment illustrated in fig. 4, the present invention is used to produce the equipment of bicomponent spunbond non-weaving cloth, comprises A component screw extruder, A component filter, A component measuring pump and B component screw extruder, B component filter, B component measuring pump and spinning manifold, filament spinning component, cooling device, air drawing device, lapper and fibre web bracing means.Present embodiment, filament spinning component adopt rectangle monoblock spinnerets, and the air drawing device adopts open positive repoussage plate full width air drawing device (see figure 2) or the whole plate full width air drawing device (see figure 3) of closed negative pressure.
Be provided with independent A component melt flow channel 8 and the B component melt flow channel 9 that is provided with of two covers in the casing of described bi-component spinning manifold 1, the import of two melt flow channel is connected with B component measuring pump with A component measuring pump respectively, the outlet of two melt flow channel is one group of discharging opening (see figure 5) of arranging along the width of non-weaving cloth, and described discharging opening is positioned on the installed surface of the filament spinning component below the spinning manifold.
Adopt the manufacture method (technology) of the bicomponent spunbond non-weaving cloth of the said equipment to comprise:
(A), with the high polymer of A component and B component respectively through super-dry or directly send into separately independently in A component screw extruder and the B component screw extruder, high polymer component after the fusion is sent into separately independently A component filter and B component filter respectively carry out pre-filtering and handle under the squeezing action of screw rod, filtering accuracy can be by adjusting the density adjustment of screen pack;
(B), A component melt and the B component melt handled through pre-filtering be admitted to separately independently A component measuring pump and B component measuring pump respectively, it is constant that the pressure of each measuring pump arrival end keeps, output quantity is constant when guaranteeing that measuring pump rotates with certain speed;
(C), A component melt and the A component melt sent of A component measuring pump and B component measuring pump sent in the spinning manifold by the import of two melt flow channel of spinning manifold simultaneously, and independently melt flow channel and runner exit are disperseed and are sent in the filament spinning component separately in spinning manifold, melt carries out sub-distribution again according to the runner that designs in the filament spinning component and is combined to form required structure (core-skin or tangerine lobe etc.) extruding (see figure 7) downwards from the micropore of rectangle monoblock spinnerets, many component high polymers of extruding strand state that is evenly distributed in an elongated rectangular shape;
(D), the strand of extruding through spinnerets is through being positioned at the movably cooling device of spinnerets below, after adjusting the temperature of strand, continue to fall to entering extension apparatus, drafted attenuating, this moment, shrank at the short side direction of rectangle in the cross section of fiber collection, makes fiber collection form one along the equally distributed fiber curtain in long limit;
(E), fall through the fiber curtain of drawing-off and be positioned on the lapper lace curtaining that extension apparatus transfers, be piled into fiber web, become lace curtaining to move to the fibre web bracing means continuously, drive fibre web and move continuously, form continuous fibre web, fibre web is admitted to reinforce in the bracing means and forms two component nonwoven fabric.Bracing means can be hot rolling, acupuncture, water thorn, gluing etc.
Be the temperature that reduces melt and the fluctuation of viscosity, in the above-mentioned steps (C), A component melt that A component measuring pump and B component measuring pump pump out and B component melt preferably respectively earlier through behind A component static mixer and the B component static mixer again the import of two melt flow channel by spinning manifold send in the spinning manifold simultaneously.

Claims (7)

1. equipment that is used to produce the bicomponent spunbond non-weaving cloth, comprise A component screw extruder, A component filter, A component measuring pump and B component screw extruder, B component filter, B component measuring pump and spinning manifold, filament spinning component, cooling device, extension apparatus, lapper and fibre web bracing means, it is characterized in that: described spinning manifold is the bi-component spinning manifold, be provided with independent A component melt flow channel and the B component melt flow channel that is provided with of two covers in the described casing, the import of two melt flow channel is connected with B component measuring pump with A component measuring pump respectively, the outlet of two melt flow channel is one group of discharging opening of arranging along the width of non-weaving cloth, described discharging opening is positioned on the installed surface of the filament spinning component below the spinning manifold, and described filament spinning component is a rectangle monoblock spinnerets.
2. the equipment that is used to produce the bicomponent spunbond non-weaving cloth according to claim 1, it is characterized in that: also be provided with A component static mixer between described A component measuring pump and the import of A component melt flow channel, also be provided with B component static mixer between described B component measuring pump and the import of B component melt flow channel.
3. the equipment that is used to produce the bicomponent spunbond non-weaving cloth according to claim 1 and 2 is characterized in that: described extension apparatus is the whole plate full width air drawing device of open positive repoussage plate full width air drawing device or closed negative pressure.
4. the equipment that is used to produce the bicomponent spunbond non-weaving cloth according to claim 1 and 2 is characterized in that: described cooling device is a full width bilateral cold wind window.
5. the equipment that is used to produce the bicomponent spunbond non-weaving cloth according to claim 3 is characterized in that: described cooling device is a full width bilateral cold wind window.
6. a bicomponent spunbond non-weaving cloth manufacture method comprises the steps:
(A), with the high polymer of A component and B component respectively through super-dry or directly send into separately independently in A component screw extruder and the B component screw extruder, the high polymer component after the fusion is sent into separately independently A component filter and B component filter respectively carry out pre-filtering and handle under the squeezing action of screw rod;
(B), A component melt and the B component melt handled through pre-filtering be admitted to separately independently A component measuring pump and B component measuring pump respectively, it is constant that the pressure of each measuring pump arrival end keeps;
(C), A component melt and the A component melt sent of A component measuring pump and B component measuring pump sent in the spinning manifold by the import of two melt flow channel of spinning manifold simultaneously, and in spinning manifold separately independently melt flow channel and runner exit disperseed and sent in the filament spinning component, melt carries out sub-distribution again and is combined to form required structure according to the runner that designs in the filament spinning component extruding downwards from the micropore of rectangle monoblock spinnerets;
(D), the strand extruded through spinnerets after being positioned at the movably cooling device of spinnerets below, adjusting the temperature of strand, continue to fall to entering extension apparatus, drafted attenuating forms one along the equally distributed fiber curtain in long limit;
(E), fall through the fiber curtain of drawing-off and be positioned on the lapper lace curtaining that extension apparatus transfers, be piled into fiber web, become lace curtaining to move to the fibre web bracing means continuously, drive fibre web and move continuously, form continuous fibre web, fibre web is admitted to reinforce in the bracing means and forms two component nonwoven fabric.
7. the manufacture method of bicomponent spunbond non-weaving cloth according to claim 6, it is characterized in that: in the described step (C), A component melt that A component measuring pump and B component measuring pump pump out and B component melt respectively earlier through behind A component static mixer and the B component static mixer again the import of two melt flow channel by spinning manifold send in the spinning manifold simultaneously.
CN2011102303448A 2011-08-09 2011-08-09 Equipment used for producing double-compound spunbonded nonwoven fabric and manufacture method thereof Pending CN102296426A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106048903A (en) * 2016-07-20 2016-10-26 漳州市鼎鑫电子科技有限公司 Production equipment for spunbonding of filament double-component hot-air non-woven fabric
CN106087083A (en) * 2016-08-15 2016-11-09 宁波大发化纤有限公司 A kind of single temperature-control energy-saving type spinning manifold for producing composite fibre
CN106637677A (en) * 2017-02-08 2017-05-10 佛山市南海必得福无纺布有限公司 Dual-channel spun-laying system
CN106917193A (en) * 2017-03-28 2017-07-04 吴江市昌华纺织厂 Equipment for producing three component compound nonwoven cloths
CN107955983A (en) * 2017-11-06 2018-04-24 紫罗兰家纺科技股份有限公司 A kind of production technology for preparing two-component nanofiber
CN108589053A (en) * 2018-03-13 2018-09-28 苏州多瑈新材料科技有限公司 A kind of hollow spunbonded non-woven manufacturing method of bi-component
CN112301552A (en) * 2020-10-29 2021-02-02 东华大学 Polyolefin/polyester bicomponent fiber and preparation method of spun-bonded non-woven fabric thereof

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106048903A (en) * 2016-07-20 2016-10-26 漳州市鼎鑫电子科技有限公司 Production equipment for spunbonding of filament double-component hot-air non-woven fabric
CN106087083A (en) * 2016-08-15 2016-11-09 宁波大发化纤有限公司 A kind of single temperature-control energy-saving type spinning manifold for producing composite fibre
CN106637677A (en) * 2017-02-08 2017-05-10 佛山市南海必得福无纺布有限公司 Dual-channel spun-laying system
CN106917193A (en) * 2017-03-28 2017-07-04 吴江市昌华纺织厂 Equipment for producing three component compound nonwoven cloths
CN107955983A (en) * 2017-11-06 2018-04-24 紫罗兰家纺科技股份有限公司 A kind of production technology for preparing two-component nanofiber
CN108589053A (en) * 2018-03-13 2018-09-28 苏州多瑈新材料科技有限公司 A kind of hollow spunbonded non-woven manufacturing method of bi-component
CN112301552A (en) * 2020-10-29 2021-02-02 东华大学 Polyolefin/polyester bicomponent fiber and preparation method of spun-bonded non-woven fabric thereof

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Application publication date: 20111228