CN215517885U - Preparation system for multilayer composite non-woven fabric - Google Patents
Preparation system for multilayer composite non-woven fabric Download PDFInfo
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- CN215517885U CN215517885U CN202121442488.5U CN202121442488U CN215517885U CN 215517885 U CN215517885 U CN 215517885U CN 202121442488 U CN202121442488 U CN 202121442488U CN 215517885 U CN215517885 U CN 215517885U
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Abstract
The utility model discloses a preparation system for multilayer composite non-woven fabric, which comprises a fiber mesh layer preparation device, a drafting machine, a prewetting machine, a spunlace device and a dryer, wherein the fiber mesh layer preparation device comprises an opener, a cotton mixing machine arranged on the front side of an opener station, a fine opener arranged on the front side of the cotton mixing machine station, a last cotton box arranged on the front side of the fine opener station, an air pressure cotton box arranged on the front side of the last cotton box station, a carding machine arranged on the front side of the air pressure cotton box station and a lapping machine arranged on the front side of a carding machine station; the lapping machine is connected with the drafting machine, the drafting machine is connected with the prewetting machine, the prewetting machine is connected with the spunlace device, and the spunlace device is connected with the drying machine. The smooth, stable and controllable operation of the preparation process of the multilayer composite non-woven fabric is ensured, and the preparation of various types of derivative products is realized.
Description
Technical Field
The utility model relates to a preparation system of non-woven fabrics, in particular to a preparation system for multilayer composite non-woven fabrics, and belongs to the field of non-woven fabrics.
Background
At present, the spunlace nonwoven fabric is generally obtained by processing fiber raw materials through opening, mixing, carding, lapping, drafting, prewetting, forward and reverse spunlacing, after-finishing, drying, winding, water treatment circulation and the like, wherein the prewetting aims to compact fluffy fiber webs and remove air in the fiber webs, so that the fiber webs can effectively absorb energy of water jet after entering a spunlace region to enhance fiber entanglement effect;
the prewetted fiber web enters a spunlace area, a plurality of fine water jet streams are jetted from water jet holes of a water jet head water jet plate and vertically jetted to the fiber web, the water jet streams enable part of surface layer fibers in the fiber web to be displaced (including vertical movement towards the reverse side of the fiber web), after penetrating through the fiber web, the water jet streams are subjected to the rebounding action of a net supporting curtain or a rotary drum and scattered to the reverse side of the fiber web in different directions, and under the dual actions of direct impact of the water jet streams and the rebounding water streams, the fibers in the fiber web are displaced, interpenetrated, tangled and cohered to form a plurality of flexible kinks, so that the fiber web is reinforced. The vertical jet of water jets on the web prevents damage to the web structure and maximizes the use of the energy of the water jets, thereby contributing to improved performance of the hydroentangled nonwoven material. The spunlace reinforcement mode mainly comprises three modes of flat screen spunlace reinforcement, drum spunlace reinforcement and spunlace reinforcement combining a drum and a flat screen.
The product produced by the process flow can adopt a single raw material or a plurality of raw materials to be mixed, and after the processes of opening, mixing, carding, lapping, drafting, prewetting, forward and reverse spunlacing, after-finishing, drying and the like, only a single-layer non-woven fabric with the same raw material components on the forward and reverse sides is formed, so that the product is single in type and cannot well meet the market demand. Meanwhile, the fibers are only displaced, inserted, tangled and cohered, namely, the fibers do not have bonding effect and generate hard blocks due to bonding.
The prior art "manufacturing apparatus and manufacturing method of multilayer composite nonwoven fabric" discloses in CN1251397A, 2000.04.26: the multilayer composite non-woven fabric is composed of more than two fiber net layers, and the fiber of each fiber net layer is made of composite fiber composed of at least two components; the device for manufacturing the multilayer composite non-woven fabric comprises a layer collecting device and more than two groups of spinning devices which are arranged in front and back corresponding to the conveying direction and can manufacture different types of composite fibers, the composite fibers are stacked on the layer collecting device in layers to form a fiber net layer, and a heat treatment device or a water rolling treatment device can be arranged at the end point of the conveying direction of the layer collecting device. In the technical scheme, the spunbonded web layer and the meltblown web layer are thermally sealed, but both the spunbonded web layer and the meltblown web layer relate to filaments which are directly formed by spinning, so that the filaments are not suitable for natural fibers, regenerated cellulose fibers and composite of various short fibers.
The prior art "a multilayer composite nonwoven fabric, CN201849034U, 2011.06.01" discloses: the fabric mainly comprises an outer layer, an inner layer and a middle layer, wherein the middle layer is a non-woven fabric, main raw material fibers of the non-woven fabric comprise terylene chemical fibers, chinlon chemical fibers and viscose chemical fibers, the outer layer and the inner layer are permeable membranes, and the outer layer and the inner layer are compounded on the surfaces of two sides of the non-woven fabric.
The prior art "a multilayer composite nonwoven fabric, CN107336478A, 2017.11.10" discloses: comprises at least two fiber layers containing fibers A and a fiber layer containing fibers B, the fiber layers are combined into a multi-layer composite non-woven fabric through point hot pressing, the fibers contained in the fiber layer A are fibers which are not melted or softened at the temperature of 130-145 ℃, and the fibers contained in the fiber layer B are fibers which are melted or softened at the temperature of 130-145 ℃; the fiber layer A is positioned on the upper surface layer and the lower surface layer of the multilayer composite non-woven fabric. The technical scheme disclosed is only suitable for spun-bonded non-woven fabrics and melt-blown non-woven fabrics, the fibers are bonded with each other in a point hot-pressing combination mode by utilizing the thermal characteristics of materials, and due to the combination of the fibers, the combination points are easy to form hard blocks, so that the fiber is not suitable for natural fibers and is not suitable for regenerated cellulose fibers.
The prior art "a method for processing multilayer composite non-woven fabric, CN108973300A, 2018.12.11" discloses: the device comprises a processing device, a cloth feeding mechanism, a cloth feeding port, a first wheel carrier, a first limiting wheel, a cloth feeding roller, a hot pressing mechanism, a bottom plate, a supporting leg, a hot pressing bin, a support, a hot pressing table, a steam guide hole, a steam generator, a water adding pipe, a mounting frame, a hot pressing roller, a steam pipe, a steam nozzle, a ventilation hole, a circulating mechanism, an air draft cover, an air draft pipe, an air draft fan, a steam guide pipe, a branch pipe, a cloth discharging mechanism, a cloth discharging port, a second wheel carrier and a second limiting wheel. In the technical scheme, the fiber webs are bonded by adopting a hot pressing mode through increasing the temperature.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a preparation system for multilayer composite non-woven fabric. In this technical scheme, through setting up such as fibre web layer preparation facilities, draft machine, prewetting machine, water thorn device and drying-machine, guarantee smooth, stable and controllable going on of multilayer composite non-woven fabric preparation process to and, realize preparing the derived product of polymorphic type, for example: products with different colors, products with different functionalities and the like can better meet the actual market requirements.
In order to achieve the technical purpose, the following technical scheme is proposed:
a system for preparing multi-layer composite non-woven fabric comprises a fiber net layer preparing device, a drafting machine, a pre-wetting machine, a spunlace device and a dryer,
the fiber net layer preparation device comprises an opener, a cotton mixer arranged on the front side of an opener station, a fine opener arranged on the front side of the cotton mixer station, a last cotton box arranged on the front side of the fine opener station, an air pressure cotton box arranged on the front side of a last cotton box station, a carding machine arranged on the front side of the air pressure cotton box station and a lapping machine arranged on the front side of the carding machine station, wherein the opener, the cotton mixer, the fine opener, the last cotton box and the air pressure cotton box are connected through a cotton conveying pipeline, the air pressure cotton box is connected with the carding machine through a conveying belt, and the carding machine is connected with the lapping machine through the conveying belt;
the lapping machine is connected with the drafting machine, the drafting machine is connected with the prewetting machine, the prewetting machine is connected with the spunlace device, and the spunlace device is connected with the drying machine.
Further, the cotton mixer is a multi-bin cotton mixer.
Further, the lapping machine is a cross lapping machine.
Furthermore, the lapping machine comprises a rack and a lapping bin arranged on the rack, wherein a feeding guide roller is arranged on one side of the lapping bin, and a discharging guide roller is arranged on the other side of the lapping bin; a conveying mechanism is arranged in the lapping bin and comprises an input curtain, a compensation curtain, a lapping curtain and a lapping curtain, an included angle between extension lines of the input curtain and the lapping curtain is 90 degrees, a negative pressure collecting hopper is arranged below the conveying mechanism and connected with an air pipe extending to the lapping bin, one end of the air pipe is connected with the negative pressure collecting hopper, and the other end of the air pipe is connected with a dust remover;
an upper flow guide part, a middle flow guide part and a lower flow guide part are arranged between the discharging guide roller and the drafting machine, the upper flow guide part is arranged right above the middle flow guide part, the lower flow guide part is arranged right below the middle flow guide part, and a ripple pressing mechanism is arranged between the discharging guide roller and the middle flow guide part. In addition, the fiber mesh layers in the upper flow guide piece, the middle flow guide piece and the lower flow guide piece can be semi-finished products (temporarily stored on the flow guide pieces) or fiber mesh layers obtained by online preparation of a plurality of production lines; the upper, middle and lower deflectors may be in the form of round rollers or plates.
Furthermore, feeding deflector roll and ejection of compact deflector roll are 2.
Further, a dipping device is arranged between the spunlace device and the dryer.
Further, the dryer is a hot air dryer.
The positional relationships such as "front side of station", "between station", "one side", "the other side", "inside", "below", "one end", "the other end", "right above", and "right below" related to the present technical solution are defined according to the actual usage state, and are conventional terms in the technical field and conventional terms in the actual usage process of the skilled person.
In the description of the present technical solution, it should be noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
By adopting the technical scheme, the beneficial effects brought are as follows:
the utility model has simple structure and reasonable design, can ensure the stable, smooth and controllable operation of the production process of the multilayer composite non-woven fabric, improves the production efficiency and quality and reduces the cost. Can realize that finished product tow sides raw materials are different or the same, the colour is the same or different etc. and then can realize more functions and market effect, for example: the effects that one surface is cotton fiber and the other surface is viscose fiber, or one surface is white and the other surface is colored and the like can be realized. Meanwhile, a supporting layer (corrugated) can be added between two layers of fiber webs to realize the effect and function of multiple layers;
in the utility model, after more than two fiber net layers are superposed, the multilayer composite non-woven fabric is treated by a drafting machine, a prewetting machine, a spunlace device, a dryer and a dipping device; the fibers in each fiber web layer are made of composite fibers formed by at least two raw fibers, namely, other effects are required to be realized according to the selection of the raw fibers, such as: one surface is silk, the other surface is tencel, the silk surface (protein fiber) can be well adapted according to skin, and the washing performance of the tencel is good;
in the utility model, the negative pressure collecting hopper, the dust remover and the like are arranged, so that dust and the like generated in the lapping process can be collected, the stability of the working condition environment is ensured, and the production safety is improved. The arrangement of the upper flow guide piece, the middle flow guide piece and the lower flow guide piece plays a role in guiding the entering of the fiber net layers, and the stability and the adjustability of the fiber net layer in superposition are improved; the support layer among the compound non-woven fabrics of multilayer provides corrugated fibrous layer, and then improves the variety and the multi-functional selection of product.
Drawings
FIG. 1 is a block diagram showing the construction of a manufacturing system according to the present invention;
FIG. 2 is a schematic view of the construction of the lapping machine of the present invention;
the device comprises an opener 1, a cotton mixer 2, a cotton mixer 3, a fine opener 4, a last cotton box 5, an air pressure cotton box 6, a carding machine 7, a lapping machine 8, a drafting machine 9, a pre-wetting machine 10, a spunlace device 11, a dryer 12, a soaking device 13, a rack 14, a lapping bin 15, a feeding guide roller 16, a discharging guide roller 17, an input curtain 18, a compensation curtain 19, a lapping curtain 20, a lapping curtain 21, a negative pressure collecting hopper 22, an air pipe 23, a dust remover 24, an upper flow guide piece 25, a middle flow guide piece 26, a lower flow guide piece 27 and a ripple pressing mechanism.
Detailed Description
In the following, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1: the preparation system for the multilayer composite non-woven fabric comprises a fiber mesh layer preparation device, a drafting machine 8, a prewetting machine 9, a spunlace device 10 and a drying machine 11, wherein the fiber mesh layer preparation device comprises an opener 1, a cotton mixing machine 2 arranged on the front side of a station of the opener 1, a fine opener 3 arranged on the front side of a station of the cotton mixing machine 2, a final cotton box 4 arranged on the front side of a station of the fine opener 3, an air pressure cotton box 5 arranged on the front side of a station of the final cotton box 4, a carding machine 6 arranged on the front side of a station of the air pressure cotton box 5 and a lapping machine 7 arranged on the front side of a station of the carding machine 6, the opener 1, the cotton mixing machine 2, the fine opener 3, the final cotton box 4 and the air pressure cotton box 5 are connected through cotton conveying pipelines, the air pressure cotton box 5 is connected with the carding machine 6 through a conveying belt, and the carding machine 6 is connected with the lapping machine 7 through a conveying belt;
the lapping machine 7 is connected with the drafting machine 8, the drafting machine 8 is connected with the prewetting machine 9, the prewetting machine 9 is connected with the spunlace device 10, and the spunlace device 10 is connected with the dryer 11.
Wherein the cotton mixer 2 is a multi-bin cotton mixer, the lapping machine 7 is a cross lapping machine, and the dryer 11 is a hot air dryer.
Example 2
Based on the embodiment 1, the present embodiment is further,
as shown in fig. 2: the lapping machine 7 comprises a frame 13 and a lapping bin 14 arranged on the frame 13, wherein a feeding guide roller 15 is arranged on one side of the lapping bin 14, and a discharging guide roller 16 is arranged on the other side; a conveying mechanism is arranged in the lapping bin 14 and comprises an input curtain 17, a compensation curtain 18, a lapping curtain 19 and a lapping curtain 20, an included angle between extension lines of the input curtain 17 and the lapping curtain 20 is 90 degrees, a negative pressure collecting hopper 21 is arranged below the conveying mechanism, the negative pressure collecting hopper 21 is connected with an air pipe 22 extending to the lapping bin 14, one end of the air pipe 22 is connected with the negative pressure collecting hopper 21, and the other end of the air pipe 22 is connected with a dust remover 23; the device is used for collecting dust and the like generated in the lapping process, ensures the stability of the working condition environment and increases the production safety;
an upper flow guide piece 24, a middle flow guide piece 25 and a lower flow guide piece 26 are arranged between the discharging guide roller 16 and the drafting machine 8, the upper flow guide piece 24 is arranged right above the middle flow guide piece 25, the lower flow guide piece 26 is arranged right below the middle flow guide piece 25, and a ripple pressing mechanism 27 is arranged between the discharging guide roller 16 and the middle flow guide piece 25. The arrangement of the upper flow guide piece 24, the middle flow guide piece 25 and the lower flow guide piece 26 plays a role in guiding the entering of the fiber net layers, and improves the stability and the adjustability of the superposition of the fiber net layers; due to the arrangement of the corrugating mechanism 27, the supporting layers in the multi-layer composite non-woven fabric provide corrugated fiber layers, and therefore the diversity and the multifunctional selection of products are improved.
Wherein, feeding deflector roll 15 and ejection of compact deflector roll 16 are 2, guarantee dredging smoothly of material, improve the stability of this process.
Further, an impregnation device 12 is provided between the hydroentangling device 10 and the dryer 11, and this process can be selected according to actual raw materials, products, and the like.
Example 3
Based on the preparation systems in embodiments 1-2, this embodiment proposes a method for preparing a multi-layer composite nonwoven fabric, including the following steps:
A. preparation of a fiber web layer: opening composite fibers serving as raw materials by an opener, removing impurities and mixing by a cotton mixer, a fine opener, a last channel cotton box and an air pressure cotton box, carding by a carding machine and lapping by a lapping machine to obtain a fiber mesh layer;
B. and (3) superposition: b, superposing at least two fiber net layers obtained in the step A to obtain a multi-layer fiber net;
C. drafting: b, drawing the multilayer fiber web obtained in the step B;
D. pre-wetting: prewetting the drawn multilayer fiber web;
E. and (3) water jetting: carrying out spunlace on the pre-wetted multilayer fiber web;
F. drying: drying the spunlaced multilayer fiber web;
G. and (3) post-treatment: and coiling, slitting, packaging and warehousing the dried multilayer fiber web to obtain a multilayer composite non-woven fabric finished product.
The preparation method of the multilayer composite non-woven fabric further comprises the steps of pressing the fiber web layer prepared in the step A into a corrugated supporting layer, and superposing the fiber web layer prepared in the step A on two sides of the supporting layer; wherein, the supporting layer is composed of one fiber mesh layer or more than two fiber mesh layers.
The preparation method of the multilayer composite non-woven fabric further comprises the steps of dipping the spunlaced multilayer fiber web and drying. On one hand, the method is suitable for different raw material types, and on the other hand, different finished products are obtained.
And E, reinforcing by adopting a flat-net spunlace mode, wherein the spunlace pressure is 5-200 kg.
And in the step F, a cylinder dryer or a hot air dryer is adopted, and the drying temperature is 60-200 ℃.
By adopting the preparation method, the yield of the finished product is about 85 percent.
Example 4
Based on examples 1-3, this example provides a multi-layer composite nonwoven fabric product.
The method specifically comprises the following steps: after more than two fiber net layers are superposed, the fiber net is obtained by drafting, prewetting, spunlacing, dipping and drying; wherein, the fiber in each fiber net layer is made of composite fiber formed by at least two raw material fibers; the finished product indexes of the multilayer composite non-woven fabric are as follows: the thickness is less than or equal to 0.55mm (according to GB/T24218.2-2009), the transverse breaking strength is more than or equal to 31.0N/5cm, the longitudinal breaking strength is more than or equal to 40.5N/5cm (according to GB/T24218.3-2010), and the pH value is neutral (according to YY 0331-2002); the gram weight of each fiber web layer is 7-40g/m2。
Wherein the raw material fiber comprises viscose fiber, tencel, modal, cotton fiber, silk and polyester fiber;
the length of the raw material fiber is 20-60 mm, the preparation method is suitable for cotton fiber and wool fiber, is not suitable for filament production, and can cut the filament into wool fiber.
The multilayer composite nonwoven fabric is formed by stacking at least three fiber web layers, wherein the multilayer composite nonwoven fabric comprises a first fiber web layer, a support layer and a second fiber web layer, the support layer is formed by one fiber web layer or more than two fiber web layers, and the fiber web layers in the support layer are corrugated. The corrugated supporting layer is arranged, so that the area of the fiber net layer in the supporting layer is increased, the retention time of penetrated media (such as heat, water, air and the like) in the supporting layer is ensured, the supporting layer has the characteristics of moisture absorption, heat preservation and the like, and the comfort in the use process is further improved.
Claims (6)
1. A preparation system for multilayer composite non-woven fabric is characterized in that: comprises a fiber net layer preparation device, a drafting machine (8), a prewetting machine (9), a spunlace device (10) and a dryer (11), wherein the fiber net layer preparation device comprises an opener (1), a cotton mixing machine (2) arranged on the front side of a station of the opener (1), a fine opener (3) arranged on the front side of the station of the cotton mixing machine (2), a last cotton box (4) arranged on the front side of the station of the fine opener (3), an air pressure cotton box (5) arranged on the front side of the station of the last cotton box (4), a carding machine (6) arranged on the front side of the station of the air pressure cotton box (5) and a lapping machine (7) arranged on the front side of the station of the carding machine (6), the opener (1), the cotton mixing machine (2), the fine opener (3), the last cotton box (4) and the air pressure cotton box (5) are connected through cotton conveying pipelines, and the air pressure carding machine (5) is connected with the air pressure cotton box (6) through a conveying belt, the carding machine (6) is connected with the lapping machine (7) through a conveyor belt;
the lapping machine (7) is connected with the drafting machine (8), the drafting machine (8) is connected with the pre-wetting machine (9), the pre-wetting machine (9) is connected with the spunlace device (10), and the spunlace device (10) is connected with the dryer (11);
the lapping machine (7) comprises a rack (13) and a lapping bin (14) arranged on the rack (13), wherein a feeding guide roller (15) is arranged on one side of the lapping bin (14), and a discharging guide roller (16) is arranged on the other side of the lapping bin; a conveying mechanism is arranged in the lapping bin (14), the conveying mechanism comprises an input curtain (17), a compensation curtain (18), a lapping curtain (19) and a lapping curtain (20), an included angle between extension lines of the input curtain (17) and the lapping curtain (20) is 90 degrees, a negative pressure collecting hopper (21) is arranged below the conveying mechanism, the negative pressure collecting hopper (21) is connected with an air pipe (22) extending to the lapping bin (14), one end of the air pipe (22) is connected with the negative pressure collecting hopper (21), and the other end of the air pipe is connected with a dust remover (23);
an upper flow guide part (24), a middle flow guide part (25) and a lower flow guide part (26) are arranged between the discharging guide roller (16) and the drafting machine (8), the upper flow guide part (24) is arranged right above the middle flow guide part (25), the lower flow guide part (26) is arranged right below the middle flow guide part (25), and a ripple pressing mechanism (27) is arranged between the discharging guide roller (16) and the middle flow guide part (25).
2. The system for preparing a multi-layered composite nonwoven fabric according to claim 1, wherein: an impregnation device (12) is arranged between the spunlace device (10) and the dryer (11).
3. The system for preparing a multi-layered composite nonwoven fabric according to claim 1, wherein: the cotton mixing machine (2) is a multi-bin cotton mixing machine.
4. The system for preparing a multi-layered composite nonwoven fabric according to claim 1, wherein: the upper flow guide part (24), the middle flow guide part (25) and the lower flow guide part (26) are in a shape of a round roller or a plate.
5. The system for preparing a multi-layered composite nonwoven fabric according to claim 1, wherein: the feeding guide roller (15) and the discharging guide roller (16) are 2.
6. The system for preparing a multi-layered composite nonwoven fabric according to claim 1, wherein: the dryer (11) is a hot air dryer.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734697A (en) * | 2022-03-19 | 2022-07-12 | 晋江市港益纤维制品有限公司 | Manufacturing process of base fabric in gauze |
| CN115012075A (en) * | 2022-05-27 | 2022-09-06 | 杭州申联宝塑实业有限公司 | Synchronous composite weaving system and method for graded filtering anti-clogging high-strength geotextile |
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2021
- 2021-06-28 CN CN202121442488.5U patent/CN215517885U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734697A (en) * | 2022-03-19 | 2022-07-12 | 晋江市港益纤维制品有限公司 | Manufacturing process of base fabric in gauze |
| CN114734697B (en) * | 2022-03-19 | 2023-12-08 | 晋江市港益纤维制品有限公司 | Manufacturing process of gauze middle base fabric |
| CN115012075A (en) * | 2022-05-27 | 2022-09-06 | 杭州申联宝塑实业有限公司 | Synchronous composite weaving system and method for graded filtering anti-clogging high-strength geotextile |
| CN115012075B (en) * | 2022-05-27 | 2023-09-19 | 杭州申联宝塑实业有限公司 | Synchronous composite weaving system and method for graded filtering anti-clogging high-strength geotextile |
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