CN220947032U - Wood pulp PP composite non-woven fabric and production equipment thereof - Google Patents
Wood pulp PP composite non-woven fabric and production equipment thereof Download PDFInfo
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- CN220947032U CN220947032U CN202322648845.9U CN202322648845U CN220947032U CN 220947032 U CN220947032 U CN 220947032U CN 202322648845 U CN202322648845 U CN 202322648845U CN 220947032 U CN220947032 U CN 220947032U
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- 239000002131 composite material Substances 0.000 title claims abstract description 104
- 229920001131 Pulp (paper) Polymers 0.000 title claims abstract description 60
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000010410 layer Substances 0.000 claims abstract description 103
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 229920000247 superabsorbent polymer Polymers 0.000 claims abstract description 39
- 239000000835 fiber Substances 0.000 claims abstract description 35
- 238000010030 laminating Methods 0.000 claims abstract description 19
- 239000002344 surface layer Substances 0.000 claims abstract description 19
- 238000007664 blowing Methods 0.000 claims abstract description 17
- 238000004804 winding Methods 0.000 claims abstract description 6
- 239000004743 Polypropylene Substances 0.000 claims description 39
- 238000005507 spraying Methods 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 11
- 238000005098 hot rolling Methods 0.000 claims description 10
- 238000013329 compounding Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- -1 polypropylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 18
- 238000010521 absorption reaction Methods 0.000 description 14
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Nonwoven Fabrics (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model discloses a wood pulp PP composite non-woven fabric and production equipment thereof, wherein the production equipment firstly comprises a first unreeling mechanism for unreeling a surface layer to a web forming machine, two melt-blowing mechanisms are arranged for winding wood pulp fibers and PP by using the melt-blowing mechanisms, and then forming on the web forming machine, so that a first composite layer and a second composite layer are sequentially formed on the surface, the fiber titer of the first composite layer and the fiber of the second composite layer are small, the arrangement is tight, SAP (super absorbent polymer) is conveniently arranged on the first composite layer so as to lock the SAP, the whole has excellent water absorbing and retaining capacity, and then a bottom layer is attached to the second composite layer by a laminating roller and the second unreeling mechanism, so that the wood pulp PP composite non-woven fabric is formed.
Description
Technical Field
The utility model relates to the technical field of non-woven fabrics, in particular to a wood pulp PP composite non-woven fabric and production equipment thereof.
Background
The non-woven fabric is also called non-woven fabric, needled cotton, needled non-woven fabric and the like, is produced by adopting polyester fiber and polyester fiber (PET for short) materials and is manufactured by needling technology, and can be made into different thicknesses, handfeel, hardness and the like; the existing paper diaper generally adopts non-woven fabrics as raw materials, so that certain requirements are met on the water absorbability of the non-woven fabrics, the existing non-woven fabrics are general in water absorbability, and the existing non-woven fabrics can still come out of seepage conditions, so that the requirements of users cannot be met gradually. The publication number is CN115381627B, a composite multi-layer high water absorption sanitary dressing and a preparation method thereof are disclosed, wherein the composite multi-layer high water absorption sanitary dressing is prepared by heat setting four layers of fiber webs, and the first layer of fiber web and the fourth layer of fiber web are melt-blown fiber webs and account for 5wt% -15 wt% of the composite multi-layer high water absorption sanitary dressing; the second layer of fiber net and the third layer of fiber net are combined into a water absorption layer, the water absorption layer is formed by mixing wood pulp fiber and melt-blown fiber, the wood pulp fiber in the water absorption layer accounts for 60-80 wt% of the composite multilayer high water absorption sanitary dressing, and the melt-blown fiber in the water absorption layer accounts for 15-25 wt% of the composite multilayer high water absorption sanitary dressing. The manufacturing method of the composite multi-layer high water absorption sanitary dressing does not use any adhesive substance, is environment-friendly in material, is manufactured through a one-step processing technology, has a unique multi-layer structure, and effectively utilizes the moisture absorption performance of wood pulp fibers. But the water absorbing and retaining capability of the sanitary dressing is still relatively general.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model aims to provide a wood pulp PP composite non-woven fabric with excellent water absorption and production equipment thereof.
In order to achieve the above purpose, the present utility model provides the following solutions: the utility model provides a wood pulp PP composite nonwoven, includes from top to bottom surface course, first composite bed, second composite bed, the bottom that sets gradually, first composite bed and second composite bed are formed by wood pulp fiber and PP winding, the SAP of having arranged between first composite bed and the second composite bed. The composite non-woven fabric is composed of the surface layer, the first composite layer, the second composite layer and the bottom layer, wherein the first composite layer and the second composite layer are formed by winding wood pulp fibers and PP (Polypropylene), the composite non-woven fabric is nontoxic and odorless in whole, stable in chemical property and environment-friendly in whole, and the composite non-woven fabric is matched with SAP (super absorbent polymer) to enable the whole to have excellent water absorption and water retention properties, tensile strength, compression strength, hardness, heat resistance and the like.
Further, the surface layer is one of SSS spunbonded cloth, SMS spunmelt cloth and PE film. After the structure is adopted, the waterproof and seepage-proof SAP has the function of water insulation, and prevents SAP from leaking.
Further, the bottom layer is one of SSS spunbonded cloth and SMS spunmelt. After the structure is adopted, the waterproof cloth has the waterproof property, prevents SAP from leaking, and has the seepage prevention effect.
The utility model further comprises production equipment of the wood pulp PP composite non-woven fabric, which comprises a first unreeling mechanism, two melt-blowing mechanisms, an SAP (super absorbent polymer) feeder, a second unreeling mechanism, a web forming machine and a pair of laminating rollers, wherein the first unreeling mechanism, the web forming machine, the second unreeling mechanism and the pair of laminating rollers are sequentially arranged along the conveying direction, the two melt-blowing mechanisms and the SAP feeder are respectively arranged right above the web forming machine, the SAP feeder is positioned between the two melt-blowing mechanisms, the first unreeling mechanism is used for unreeling a surface layer, the two melt-blowing mechanisms are used for being matched with the web forming machine to form a first composite layer and a second composite layer, the SAP feeder is used for spouting SAP to the first composite layer, the second unreeling mechanism is used for unreeling a bottom layer, and the pair of laminating rollers is used for laminating the surface layer, the first composite layer, the second composite layer and the bottom layer.
The beneficial effects of the utility model are as follows: this production facility is at first through setting up first unreeling mechanism to unreel the surface course to the lapping machine, through setting up two melt-blown mechanisms, utilize melt-blown mechanism with wood pulp fiber and PP winding, then take shape on the lapping machine, realize forming first composite bed and second composite bed in proper order on the face, make fibrous fineness of first composite bed and second composite bed little, arrange closely, so that arrange the SAP on first composite bed, with locking SAP, make whole have good water absorption and water retention ability, rethread laminating roller and second unreel the mechanism, laminate the bottom on the second composite bed, with the compound non-woven fabrics of formation wood pulp PP, overall structure is practical reliable.
Further, melt-blown mechanism includes air current passageway, two first melt shower nozzles, air current passageway sets up perpendicularly and is used for carrying wood pulp short fiber, two first melt shower nozzle sets up respectively in air current passageway's left and right sides, first melt shower nozzle is used for making wood pulp short fiber and PP intertwine to air current passageway blowout PP.
Further, the melt-blown mechanism further comprises a wood pulp grinder and a fan, wherein the wood pulp grinder is connected with the feeding end of the air flow channel, and the fan is positioned between the wood pulp grinder and the feeding end of the air flow channel. By adopting the structure, the wood pulp fiber is vertically conveyed downwards.
Further, the first unreeling mechanism comprises a first unreeling roller, and the first unreeling roller is used for unreeling the surface layer.
Further, the second unreeling mechanism comprises a second unreeling roller, and the second unreeling roller is used for unreeling the bottom layer.
Further, a glue spraying head is arranged between the second unreeling roller and the pressing roller and used for spraying glue to the bottom layer. After the structure is adopted, the bottom layer is conveniently attached to the second composite layer later.
Further, the hot rolling mill is arranged at the downstream of the laminating roller and used for hot rolling and compounding the surface layer, the first compound layer, the second compound layer and the bottom layer.
Further, a plurality of guide rollers are arranged between the second unreeling roller and the laminating roller. After the structure is adopted, the utility model is used for guiding and conveying the bottom layer.
Drawings
Fig. 1 is a block diagram of the wood pulp PP composite nonwoven fabric of the present utility model.
Fig. 2 is a construction diagram of a production facility of the wood pulp PP composite nonwoven fabric of the present utility model.
Wherein a is a surface layer, b is a first composite layer, c is a second composite layer, d is a bottom layer, 1 is a first unreeling roller, 21 is an airflow channel, 22 is a first melting nozzle, 23 is a wood pulp grinder, 24 is a fan, 3 is an SAP feeder, 4 is a web forming machine, 5 is a second unreeling roller, 51 is a glue spraying head, 52 is a guiding roller, 6 is a laminating roller, and 7 is a hot rolling machine.
Description of the embodiments
The following description of the embodiments of the present utility model will be made more complete and less obvious to those skilled in the art, based on the embodiments of the present utility model, for a part, but not all of the embodiments of the present utility model, without making any inventive effort.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 2, a wood pulp PP composite nonwoven fabric and a production device thereof, comprising a surface layer a, a first composite layer b, a second composite layer c and a bottom layer d which are sequentially arranged from top to bottom, wherein the first composite layer b and the second composite layer c are formed by winding wood pulp fibers and PP, and SAP is distributed between the first composite layer b and the second composite layer c.
In this embodiment, the surface layer a is one of SSS spunbonded fabric, SMS spunmelt fabric, and PE film.
In this embodiment, the bottom layer d is one of SSS spunbonded fabric and SMS spunmelt fabric.
The production facility of wood pulp PP composite nonwoven, including first unreeling mechanism, two melt-blown mechanisms, SAP batch feeder 3, second unreeling mechanism, web-forming machine 4, a pair of pressfitting roller 6, hot rolling mill 7, first unreeling mechanism, web-forming machine 4, second unreeling mechanism, a pair of pressfitting roller 6 set gradually along direction of delivery, two melt-blown mechanisms, SAP batch feeder 3 set up respectively directly over web-forming machine 4, SAP batch feeder 3 is located between two melt-blown mechanisms, first unreeling mechanism is used for unreeling surface course a, two melt-blown mechanisms are used for forming first composite layer b and second composite layer c with web-forming machine 4 cooperation, SAP batch feeder 3 is used for spouting SAP to first composite layer b, second unreeling mechanism is used for unreeling bottom d, a pair of pressfitting roller 6 is used for laminating surface course a, first composite layer b, second composite layer c, bottom d.
In this embodiment, the melt-blowing mechanism includes an airflow channel 21, two first melt-blowing nozzles 22, a wood pulp grinder 23, and a fan 24, where the airflow channel 21 is vertically arranged to convey wood pulp short fibers, the two first melt-blowing nozzles 22 are respectively arranged at the left and right sides of the airflow channel 21, and the first melt-blowing nozzles 22 are used to blow PP to the airflow channel 21 to enable the wood pulp short fibers and PP to be intertwined; the wood pulp grinder 23 is connected to the feed end of the air flow channel 21, and the fan 24 is located between the wood pulp grinder 23 and the feed end of the air flow channel 21.
Among them, the SAP feeder 3 and the wood pulp grinder 23 may be cited with publication number CN107405222B, a grinder for grinding fibrous materials and a unit for forming an absorbent core in an apparatus for manufacturing absorbent sanitary articles, patent application No. 2016.03.05.
In the present embodiment, the first unreeling mechanism includes a first unreeling roller 1, and the first unreeling roller 1 is used for unreeling the face layer a.
In the present embodiment, the second unreeling mechanism includes a second unreeling roller 5, the second unreeling roller 5 is used for unreeling the bottom layer d, and a plurality of guide rollers 52 are provided between the second unreeling roller 5 and the laminating roller 6.
In this embodiment, a glue spraying head 51 is disposed between the second unreeling roller 5 and the laminating roller 6, and the glue spraying head 51 is used for spraying glue to the bottom layer d.
In the present embodiment, a hot rolling mill 7 is provided downstream of the laminating roller 6 for hot-rolling and compounding the facing layer a, the first composite layer b, the second composite layer c, and the bottom layer d.
In this embodiment, the specific compounding process is: respectively starting a first unreeling mechanism, two melt-blowing mechanisms, an SAP feeder 3, a second unreeling mechanism and a web forming machine 4, unreeling a surface layer a by a first unreeling roller 1 of the first unreeling mechanism, when the surface layer a moves to the position right below the melt-blowing mechanism positioned at the front side, crushing a paper pulp sheet (a wood blade) into wood pulp fibers by a wood pulp crusher of the melt-blowing mechanism, conveying the wood pulp fibers to a feeding end of an airflow channel 21, spraying high-speed airflow by a fan 24, pulling and spraying the filiform wood pulp fibers, enabling the filiform wood pulp fibers to vertically downwards convey along the airflow channel 21, spraying polypropylene PP to the filiform wood pulp fibers by two first melt-blowing heads 22, enabling the wood pulp fibers and the PP to be intertwined and mixed, forming a first composite layer b on the web forming machine 4, and pasting the composite body of the surface layer a and the first composite layer b;
And then continuing to convey, when the composite moves to the position right below the SAP feeder, the SAP feeder throws SAP particles into the first composite layer b which is compositely lifted, so that the SAP is distributed on the first composite layer b, and then continuing to convey, when the composite with the SAP moves to the position right below a melt-blowing mechanism positioned at the rear side, the melt-blowing mechanism conveys wood pulp fibers and PP which are mutually wound to the net-forming machine 4 to form a second composite layer c, the second composite layer c is attached to the first composite layer b, the first composite layer b and the second composite layer c jointly clamp the SAP, and then the composite of the surface layer a, the first composite layer b and the second composite layer c is conveyed to the laminating roller 6;
The second unreeling roller 5 unreels the bottom layer d, and guides and conveys the bottom layer d to the laminating roller 6 through a plurality of guiding rollers 52, wherein glue is sprayed to the bottom layer through the glue spraying head 51 in the conveying process of the bottom layer 6, when the bottom layer d is conveyed to the laminating roller 6, the bottom layer d is attached to the second composite layer c through the pair of laminating rollers 6, and then conveyed to the hot rolling mill 7, and the surface layer a, the first composite layer b, the second composite layer c and the bottom layer d are subjected to hot rolling and compounding, so that the wood pulp PP composite non-woven fabric of the embodiment is formed.
The above-described embodiments are merely preferred embodiments of the present utility model, and are not intended to limit the present utility model in any way. Any person skilled in the art can make many more possible variations and modifications of the technical solution of the present utility model or modify equivalent embodiments without departing from the scope of the technical solution of the present utility model by using the technical content disclosed above. Therefore, all equivalent changes according to the inventive concept are covered by the protection scope of the utility model without departing from the technical scheme of the utility model.
Claims (10)
1. The utility model provides a wood pulp PP composite nonwoven, includes from top to bottom surface layer (a), first composite layer (b), second composite layer (c), bottom (d) that set gradually, its characterized in that: the first composite layer (b) and the second composite layer (c) are formed by winding wood pulp fibers and PP (polypropylene), and SAP (super absorbent polymer) is distributed between the first composite layer (b) and the second composite layer (c).
2. The wood pulp PP composite nonwoven fabric of claim 1, wherein: the surface layer (a) is one of SSS spunbonded cloth, SMS spunmelt cloth and PE film.
3. The wood pulp PP composite nonwoven fabric of claim 2, wherein: the bottom layer (d) is one of SSS spunbonded cloth and SMS spunmelt cloth.
4. A production apparatus of the wood pulp PP composite nonwoven fabric as claimed in claim 3, characterized in that: including first unreeling mechanism, two melt-blown mechanism, SAP batch feeder (3), second unreeling mechanism, web former (4), a pair of pressfitting roller (6), first unreeling mechanism, web former (4), second unreeling mechanism, a pair of pressfitting roller (6) set gradually along direction of delivery, two melt-blown mechanism, SAP batch feeder (3) set up respectively directly over web former (4), SAP batch feeder (3) are located between two melt-blown mechanisms, first unreeling mechanism is used for unreeling surface course (a), two melt-blown mechanism is used for forming first composite layer (b) and second composite layer (c) with web former (4) cooperation, SAP batch feeder (3) are used for spouting SAP to first composite layer (b), second unreeling mechanism is used for unreeling bottom (d), a pair of pressfitting roller (6) are used for with surface course (a), first composite layer (b), second composite layer (c), bottom pressfitting.
5. The production equipment of the wood pulp PP composite non-woven fabric according to claim 4, wherein: the melt-blown mechanism comprises an airflow channel (21) and two first melt-blown nozzles (22), wherein the airflow channel (21) is vertically arranged to convey wood pulp short fibers, the two first melt-blown nozzles (22) are respectively arranged at the left side and the right side of the airflow channel (21), and the first melt-blown nozzles (22) are used for blowing PP (Polypropylene) to the airflow channel (21) so that the wood pulp short fibers and the PP are mutually wound.
6. The production equipment of the wood pulp PP composite non-woven fabric according to claim 5, wherein: the melt-blown mechanism further comprises a wood pulp grinder (23) and a fan (24), wherein the wood pulp grinder (23) is connected with the feeding end of the airflow channel (21), and the fan (24) is positioned between the wood pulp grinder (23) and the feeding end of the airflow channel (21).
7. The production equipment of the wood pulp PP composite non-woven fabric according to claim 6, wherein: the first unreeling mechanism comprises a first unreeling roller (1), and the first unreeling roller (1) is used for unreeling the surface layer (a).
8. The production equipment of the wood pulp and PP composite non-woven fabric according to claim 7, wherein: the second unreeling mechanism comprises a second unreeling roller (5), and the second unreeling roller (5) is used for unreeling the bottom layer (d).
9. The production equipment of the wood pulp PP composite nonwoven fabric according to claim 8, wherein: a glue spraying head (51) is arranged between the second unreeling roller (5) and the laminating roller (6), and the glue spraying head (51) is used for spraying glue to the bottom layer (d).
10. The production equipment of the wood pulp PP composite nonwoven fabric according to claim 9, wherein: the hot rolling machine (7) is arranged at the downstream of the laminating roller (6) and used for hot rolling and compounding the surface layer (a), the first compound layer (b), the second compound layer (c) and the bottom layer (d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322648845.9U CN220947032U (en) | 2023-09-28 | 2023-09-28 | Wood pulp PP composite non-woven fabric and production equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322648845.9U CN220947032U (en) | 2023-09-28 | 2023-09-28 | Wood pulp PP composite non-woven fabric and production equipment thereof |
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| Publication Number | Publication Date |
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| CN220947032U true CN220947032U (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322648845.9U Active CN220947032U (en) | 2023-09-28 | 2023-09-28 | Wood pulp PP composite non-woven fabric and production equipment thereof |
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| Country | Link |
|---|---|
| CN (1) | CN220947032U (en) |
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2023
- 2023-09-28 CN CN202322648845.9U patent/CN220947032U/en active Active
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