CN114767388A - Preparation device and method of double-layer composite fiber material - Google Patents
Preparation device and method of double-layer composite fiber material Download PDFInfo
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- CN114767388A CN114767388A CN202210412355.6A CN202210412355A CN114767388A CN 114767388 A CN114767388 A CN 114767388A CN 202210412355 A CN202210412355 A CN 202210412355A CN 114767388 A CN114767388 A CN 114767388A
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- 239000002657 fibrous material Substances 0.000 title claims abstract description 65
- 239000002131 composite material Substances 0.000 title claims abstract description 61
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title description 5
- 239000002344 surface layer Substances 0.000 claims abstract description 139
- 239000010410 layer Substances 0.000 claims abstract description 95
- 230000007246 mechanism Effects 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004080 punching Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000011358 absorbing material Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 206010021639 Incontinence Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002355 dual-layer Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15764—Transferring, feeding or handling devices; Drives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/51104—Topsheet, i.e. the permeable cover or layer facing the skin the top sheet having a three-dimensional cross-section, e.g. corrugations, embossments, recesses or projections
- A61F13/51108—Topsheet, i.e. the permeable cover or layer facing the skin the top sheet having a three-dimensional cross-section, e.g. corrugations, embossments, recesses or projections the top sheet having corrugations or embossments having one axis relatively longer than the other axis, e.g. forming channels or grooves in a longitudinal direction
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F2013/15821—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
- A61F2013/15861—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
- A61F2013/51338—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability having improved touch or feeling, e.g. smooth film
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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- Health & Medical Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Manufacturing & Machinery (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a preparation device and a preparation method of a double-layer composite fiber material, wherein the double-layer composite fiber material comprises a first surface layer and a second surface layer, wherein the first surface layer is provided with a plurality of first bulges, and the double-layer composite fiber material also comprises a second bulge which is positioned between part or all of two adjacent first bulges; a supporting bulge structure is arranged in the second bulge, and the bulge direction of the supporting bulge structure is the same as that of the second bulge; the protruding direction of the second bump is the same as that of the first bump, the second bump is positioned on the first surface layer, and the supporting protrusion structure is positioned on the second surface layer; when the protruding direction of the second bump is opposite to the protruding direction of the first bump, the second bump is positioned on the second surface layer, and the supporting protrusion structure is positioned on the first surface layer. The invention improves the three-dimensional effect of the fabric, reduces the influence of stress deformation of the fabric and enables the fabric to better keep beautiful appearance and good performance.
Description
Technical Field
The invention belongs to the technical field of double-layer composite fiber materials, and particularly relates to a preparation device and a preparation method of a double-layer composite fiber material.
Background
The absorptive sanitary product is taken as a daily necessity of people, covers sanitary towels, paper diapers, pull-up pants, adult paper diapers, adult pull-up pants, light incontinence products, absorption pads and the like, and brings great convenience to the life of people. Taking sanitary napkins as an example, the market penetration rate of the sanitary napkins in China is basically 100%, that is, the market penetration rate of the consumers of each sanitary napkin using the sanitary napkins is basically about 80% in the infant diaper and the pull-up diaper part until this year, and the market penetration rate of the sanitary napkins is further increased in the coming years.
At present, the concave-convex fabric made of a single-layer fabric is available in the market, and when the fabric is used as a disposable sanitary product, the concave-convex shape can be hardly maintained under the conditions of stretching and gluing of the fabric; there are also double-deck compound surface fabric on the market, and wherein upper strata contact human one side and are provided with the arch, and the upper strata material is provided with the cavity between the lower surface of arch department and the upper surface of second floor, and the lower surface of upper strata material is in protruding sunken department between and the arch and the upper surface bonding of second floor, makes it become double-deck surface fabric. The double-layer fabric has the following defects: adhesion around the cavities (bumps) is only helpful for longitudinal and lateral strength and tensile forces, but support in the three-dimensional thickness direction is only supported by the upper layer material itself, often with depressions at the tops of the bumps during use, which can affect aesthetics and performance. In view of this, there is a need for improvements to conventional two-ply composite fiber materials.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide a double-layer composite fiber material, and a preparation device and application thereof, so that the three-dimensional effect of the fabric is improved, the influence of stress deformation of the fabric is reduced, and the fabric is kept attractive and good in performance.
In the double-layer fiber material, the bulge is arranged below part of the bulge, so that the cavity shape of the bulge is effectively supported, and the aim of ensuring the integral three-dimensional effect of the double-layer fabric is fulfilled.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a double-layer composite fiber material comprises a first surface layer and a second surface layer, wherein a plurality of first bulges are arranged on the first surface layer;
the second bulge is positioned between part or all of the two adjacent first bulges; a supporting bulge structure is arranged in the second bulge, and the bulge direction of the supporting bulge structure is the same as that of the second bulge;
the protruding direction of the second bump is the same as that of the first bump, the second bump is positioned on the first surface layer, and the supporting protrusion structure is positioned on the second surface layer;
when the protruding direction of the second bump is opposite to that of the first bump, the second bump is positioned on the second surface layer, and the supporting protrusion structure is positioned on the first surface layer.
A cavity is formed between the inner surface of the first bulge and the second facing.
And part or all of the second bulges and the supporting convex structures are tightly attached.
The first surface layer is provided with an adhesive point for fixing the first surface layer and the second surface layer.
The first surface layer is arranged above or below the second surface layer, and the protruding direction of the first bulge faces to or is back to the plane where the first surface layer is located.
The first surface layer is provided with a first opening and a second opening, the first opening penetrates through the first bulge, and the second opening penetrates through the second bulge and the supporting protrusion structure.
The invention also provides a preparation device of the double-layer composite fiber material, which comprises a first roller, a second roller, a concave roller and a bonding mechanism, wherein the roller surface of the first roller is provided with a plurality of first bosses for pressing the first bulges on the first surface layer, the concave roller is provided with a plurality of first grooves matched with the first bosses, the first grooves are matched with the first bosses to form a plurality of first bulges on the first surface layer, and the bonding mechanism is used for bonding and connecting the first surface layer and the second surface layer together.
In one embodiment, the roll surface of the second roll is provided with a plurality of second bosses for pressing the supporting convex structures on the second surface layer, the roll surface of the concave roll is provided with a plurality of second grooves matched with the second bosses, the second grooves and the second bosses are matched to simultaneously form a plurality of supporting convex structures and second bulges on the second surface layer, and the supporting convex structures are embedded in the second bulges.
In one embodiment, the roll surface of the first roll is provided with a plurality of third bosses for pressing second bulges on the first surface layer, and the third bosses are matched with the second grooves to form a plurality of second bulges on the first surface layer; the roller surface of the second roller is provided with a plurality of second bosses for pressing the supporting convex structures on the second surface layer, the roller surface of the concave roller is provided with a plurality of second grooves matched with the second bosses, and the second grooves and the second bosses are matched to form a plurality of supporting convex structures on the second surface layer.
In one embodiment, the roll surface of the concave roll is provided with a plurality of fourth bosses for pressing the supporting convex structures on the first surface layer, the roll surface of the first roll is provided with a plurality of fourth grooves matched with the fourth bosses, the fourth grooves and the fourth bosses are matched to form a plurality of supporting convex structures on the first surface layer, the roll surface of the second roll is provided with a plurality of fifth grooves matched with the fourth bosses, and the fifth grooves and the fourth bosses are matched to form a plurality of second bulges on the second surface layer.
In one embodiment, the first roll has a first plurality of apertures formed in a surface thereof, and the second roll has a second plurality of apertures formed in a surface thereof, the first and second apertures cooperating with the female roll to form first and second apertures in the first and second facings, respectively.
The invention also provides a preparation method of the double-layer composite fiber material, and provides a preparation device of the double-layer composite fiber material;
the method comprises the following specific steps:
s1, conveying the first surface layer to a position between the concave roller and the first roller, and forming a plurality of first bulges on the first surface layer through the matching of the first grooves and the first bosses;
s2, conveying the first surface layer and the second surface layer to a position between a concave roller and a second roller, and forming a second bulge and a supporting bulge structure on the first surface layer and the second surface layer respectively through the matching of a second groove and a second boss, wherein the supporting bulge structure is positioned in the second bulge;
s3, continuously conveying the first surface layer and the second surface layer to a bonding mechanism, and bonding and connecting the periphery of the root of the first bulge and the second surface layer together to form the double-layer composite fiber material.
In one embodiment, a device for preparing a double-layer composite fiber material is provided;
the method comprises the following specific steps:
s1, conveying the first surface layer between the concave roller and the first roller, forming a plurality of first bulges on the first surface layer through the cooperation of the first grooves and the first bosses, and simultaneously forming a plurality of second bulges on the first surface layer through the cooperation of the third bosses and the second grooves;
s2, conveying the first surface layer and the second surface layer to a position between the concave roller and the second roller at the same time, and forming a supporting convex structure on the second surface layer through the matching of the second groove and the second boss, wherein the supporting convex structure is positioned in the second bulge;
s3, continuously conveying the first surface layer and the second surface layer to a bonding mechanism, and bonding and connecting the periphery of the root of the first bulge and the second surface layer together to form the double-layer composite fiber material.
In one embodiment, a device for preparing a double-layer composite fiber material is provided;
the method comprises the following specific steps:
s1, conveying the first surface layer between a concave roller and a first roller, forming a plurality of first bulges on the first surface layer through the cooperation of a first groove and a first boss, and forming a plurality of supporting convex structures on the first surface layer through the cooperation of a fourth groove and a fourth boss;
s2, conveying the first surface layer (1) and the second surface layer (2) to a position between a concave roller and a second roller at the same time, forming a plurality of second bulges on the second surface layer through the cooperation of a fifth groove and a fourth boss, and positioning a supporting convex structure in the second bulges;
and S3, continuously conveying the first surface layer and the second surface layer to a bonding mechanism, and bonding and connecting the periphery of the root of the first bulge and the second surface layer together to form the double-layer composite fiber material.
A double-layer composite fiber material is directly obtained by the preparation method.
A sanitary article comprises the double-layer composite fiber material. .
The invention has the advantages that: the double-layer composite fiber material has good flexibility and air permeability, and can support longitudinal and transverse strength and tension by bonding and connecting the periphery of the root of the first bulge and the second surface layer together; the second bulges and the supporting bulge structures are nested together, so that the support in the three-dimensional thickness direction can be formed, the three-dimensional effect of the fabric is improved, the influence of stress deformation of the fabric is reduced, and the fabric is kept attractive and good in performance.
Drawings
FIG. 1 is a schematic cross-sectional view of a two-layer composite fiber material according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a two-ply composite fiber material according to another embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a two-ply composite fiber material according to another embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a two-ply composite fiber material according to another embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a double-layer composite fiber material preparation device according to an embodiment of the invention;
FIG. 6 is a schematic structural view of a double-layered composite fiber material production apparatus according to another embodiment of the present invention;
FIG. 7 is a schematic structural view of a double-layer composite fiber material production apparatus according to another embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of a two-ply composite fiber material according to another embodiment of the present invention;
FIG. 9 is a schematic cross-sectional view of a two-ply composite fiber material according to another embodiment of the present invention;
FIG. 10 is a schematic cross-sectional view of a two-ply composite fiber material according to another embodiment of the present invention;
FIG. 11 is a schematic cross-sectional view of a two-ply composite fiber material according to another embodiment of the present invention.
The meaning of the reference symbols in the figures: 1. the first surface layer is provided with 1.1 first holes, 1.2 second holes, 2 second surface layers, 3 first rollers, 3.1 first bosses, 3.3 third bosses, 3.4 fourth grooves, 4 second rollers, 4.1 second bosses, 4.2 fifth grooves, 5 concave rollers, 5.1 first grooves, 5.2 fourth bosses, 5.3 second grooves, 6 bonding mechanisms, 7 first bulges, 8 second bulges, 9 supporting convex structures.
Detailed Description
The invention is described in detail below with reference to the figures and the embodiments.
Example 1
Referring to fig. 1, the double-layer composite fiber material of the present invention includes a first facing layer 1 and a second facing layer 2, wherein the first facing layer 1 is provided with a plurality of first bulges 7, and further includes a second bulge 8 located between part or all of the adjacent first bulges 7; a supporting convex structure 9 is arranged in the second bulge 8, and the convex direction of the supporting convex structure 9 is the same as that of the second bulge 8; the direction of projection of the second bulge 8 is the same as the direction of projection of the first bulge 7, the second bulge 8 being located on the first facing 1 and the supporting projection arrangement 9 being located on the second facing 2. A cavity is formed between the inner surface of the first bulge 7 and the second facing 2, and the first facing 1 is provided with bonding points for fixing the first facing 1 and the second facing 2. The first surface layer 1 is arranged above the second surface layer 2, and the protruding direction of the first bulges 7 faces to the plane of the first surface layer 1.
In other embodiments, the second bump 8 and the supporting protrusion structure 9 are not attached, partially attached, or fully attached; when the two layers of composite fiber materials are not attached or partially attached, if the two layers of composite fiber materials are extruded, the second bulges 8 can be contacted with the supporting convex structures 9, so that the three-dimensional effect is kept, and if the two layers of composite fiber materials are tightly attached, the purpose of improving the three-dimensional retentivity by utilizing the contact of the supporting convex structures 9 and the inner surfaces of the second bulges 8 can be achieved.
Referring to fig. 5, in this embodiment, a device for preparing a double-layer composite fiber material is further provided, including a first roller 3, a second roller 4, a concave roller 5 and a bonding mechanism 6, a plurality of first bosses 3.1 for pressing first bulges 7 on the first facing layer 1 are provided on a roller surface of the first roller 3, a plurality of first grooves 5.1 matched with the first bosses 3.1 are provided on the concave roller 5, the first grooves 5.1 and the first bosses 3.1 are matched to form a plurality of first bulges 7 on the first facing layer 1, and the bonding mechanism 6 is used for bonding the first facing layer 1 and the second facing layer 2 together. The roll surface of the second roll 4 is provided with a plurality of second bosses 4.1 for pressing the supporting convex structures 9 on the second surface layer 2, the roll surface of the concave roll 5 is provided with a plurality of second grooves 5.3 matched with the second bosses 4.1, and the second grooves 5.3 and the second bosses 4.1 are matched to form a plurality of supporting convex structures 9 on the second surface layer 2.
The preparation method of the double-layer composite fiber material using the preparation device comprises the following specific steps:
s1, conveying the first surface layer 1 to a position between the concave roller 5 and the first roller 3, and forming a plurality of first bulges 7 on the first surface layer 1 through the matching of the first grooves 5.1 and the first bosses 3.1;
s2, conveying the first surface layer 1 and the second surface layer 2 to a position between the concave roller 5 and the second roller 4 at the same time, and forming a second bulge 8 and a supporting convex structure 9 on the first surface layer 1 and the second surface layer 2 respectively through the matching of the second groove 5.3 and the second boss 4.1, wherein the supporting convex structure 9 is positioned inside the second bulge 8;
and S3, conveying the first facing layer 1 and the second facing layer 2 to the bonding mechanism 6, and bonding and connecting the periphery of the root of the first bulge 7 and the second facing layer 2 together to form the double-layer composite fiber material.
Referring to fig. 6, in this embodiment, another apparatus for preparing a dual-layer composite fiber material is further provided, which includes a first roller 3, a second roller 4, a concave roller 5 and a bonding mechanism 6, wherein a plurality of first bosses 3.1 for pressing first bulges 7 on the first facing layer 1 are disposed on a roller surface of the first roller 3, a plurality of first grooves 5.1 matched with the first bosses 3.1 are disposed on the concave roller 5, the first grooves 5.1 and the first bosses 3.1 are matched to form a plurality of first bulges 7 on the first facing layer 1, and the bonding mechanism 6 is configured to bond the first facing layer 1 and the second facing layer 2 together. The roll surface of the first roll 3 is provided with a plurality of third bosses 3.3 for pressing second bulges 8 on the first surface layer 1, the roll surface of the concave roll 5 is provided with a plurality of second grooves 5.3 matched with the third bosses 3.3, and the third bosses 3.3 and the second grooves 5.3 are matched to form a plurality of second bulges 8 on the first surface layer 1. The roll surface of the second roll 4 is provided with a plurality of second bosses 4.1 for pressing the supporting convex structures 9 on the second facing 2, and the second grooves 5.3 and the second bosses 4.1 are matched to form a plurality of supporting convex structures 9 on the second facing 2. The preparation method of the double-layer composite fiber material using the preparation device comprises the following specific steps:
s1, conveying the first surface layer 1 between the concave roller 5 and the first roller 3, forming a plurality of first bulges 7 on the first surface layer 1 through the cooperation of the first grooves 5.1 and the first bosses 3.1, and simultaneously forming a plurality of second bulges 8 on the first surface layer 1 through the cooperation of the third bosses 3.3 and the second grooves 5.3;
s2, conveying the first surface layer 1 and the second surface layer 2 to a position between the concave roller 5 and the second roller 4 simultaneously, and forming a supporting convex structure 9 on the second surface layer 2 through the cooperation of the second groove 5.3 and the second boss 4.1, wherein the supporting convex structure 9 is positioned inside the second bulge 8;
and S3, conveying the first facing layer 1 and the second facing layer 2 to the bonding mechanism 6, and bonding and connecting the periphery of the root of the first bulge 7 and the second facing layer 2 together to form the double-layer composite fiber material.
Example 2
Referring to fig. 2, the double-layer composite fiber material of the present invention includes a first facing layer 1 and a second facing layer 2, wherein the first facing layer 1 is provided with a plurality of first bulges 7, and further includes a second bulge 8 located between part or all of the adjacent first bulges 7; a supporting convex structure 9 is arranged in the second bulge 8, and the convex direction of the supporting convex structure 9 is the same as that of the second bulge 8; when the second bulge 8 protrudes in a direction opposite to the protruding direction of the first bulge 7, the second bulge 8 is located on the second facing 2 and the supporting projection structure 9 is located on the first facing 1. The first surface layer 1 is arranged above the second surface layer 2, and the protruding direction of the first bulges 7 faces to the plane of the first surface layer 1.
Referring to fig. 7, in this embodiment, a device for preparing a double-layer composite fiber material is further provided, including a first roller 3, a second roller 4, a concave roller 5 and a bonding mechanism 6, a plurality of first bosses 3.1 for pressing first bulges 7 on the first facing layer 1 are provided on a roller surface of the first roller 3, a plurality of first grooves 5.1 matched with the first bosses 3.1 are provided on the concave roller 5, the first grooves 5.1 and the first bosses 3.1 are matched to form a plurality of first bulges 7 on the first facing layer 1, and the bonding mechanism 6 is used for bonding the first facing layer 1 and the second facing layer 2 together. The roll surface of the concave roll 5 is provided with a plurality of fourth bosses 5.2 for pressing supporting convex structures (9) on the first surface layer 1, the roll surface of the first roll 3 is provided with a plurality of fourth grooves 3.4 matched with the fourth bosses 5.2, the fourth grooves 3.4 are matched with the fourth bosses 5.2 to form a plurality of supporting convex structures 9 on the first surface layer 1, the roll surface of the second roll 4 is provided with a plurality of fifth grooves 4.2 matched with the fourth bosses 5.2, and the fifth grooves 4.2 are matched with the fourth bosses 5.2 to form a plurality of second bulges 8 on the second surface layer 2. The preparation method of the double-layer composite fiber material using the preparation device comprises the following specific steps:
s1, conveying the first surface layer 1 between a concave roller 5 and a first roller 3, forming a plurality of first bulges 7 on the first surface layer 1 through the cooperation of a first groove 5.1 and a first boss 3.1, and forming a plurality of supporting convex structures 9 on the first surface layer 1 through the cooperation of a fourth groove 3.4 and a fourth boss 5.2;
s2, conveying the first surface layer 1 and the second surface layer 2 to a position between the concave roller 5 and the second roller 4 at the same time, and forming a plurality of second bulges 8 on the second surface layer 2 through the cooperation of the fifth grooves 4.2 and the fourth bosses 5.2, wherein the supporting convex structures 9 are positioned inside the second bulges 8;
and S3, conveying the first facing layer 1 and the second facing layer 2 to the bonding mechanism 6, and bonding and connecting the periphery of the root of the first bulge 7 and the second facing layer 2 together to form the double-layer composite fiber material.
Example 3
Referring to fig. 3, the double-layer composite fiber material of the present invention includes a first facing layer 1 and a second facing layer 2, wherein the first facing layer 1 is provided with a plurality of first bulges 7, and further includes a second bulge 8 located between part or all of the first bulges 7; a supporting convex structure 9 is arranged in the second bulge 8, and the convex direction of the supporting convex structure 9 is the same as that of the second bulge 8; the direction of projection of the second bulge 8 is the same as the direction of projection of the first bulge 7, the second bulge 8 being located on the first facing 1 and the supporting projection arrangement 9 being located on the second facing 2. A cavity is formed between the inner surface of the first bulge 7 and the second facing 2, and the first facing 1 is provided with bonding points for fixing the first facing 1 and the second facing 2. The first surface layer 1 is arranged below the second surface layer 2, and the protruding direction of the first bulges 7 is back to the plane where the first surface layer 1 is located.
When the double-layer fiber material is applied to the manufacturing of sanitary products, one side of the double-layer fiber material is compounded and fixed with other fiber layer materials or water absorbing materials, and when the double-layer fiber material is compounded, the first bulge 7 can face to the side of the compounded fiber layer material/water absorbing material or can be opposite to the side of the compounded fiber material/water absorbing material; the overall fluffy shape can be kept, and the functions of water absorption and leakage prevention can be realized. In addition, the direction of projection of the second bump 8 may be the same as or opposite to that of the first bump 7, but it should be ensured that the direction of projection of the supporting projection structure 9 is always the same as that of the second bump 8.
Example 4
Referring to fig. 4, the double-layer composite fiber material of the present invention includes a first facing layer 1 and a second facing layer 2, wherein the first facing layer 1 is provided with a plurality of first bulges 7, and further includes a second bulge 8 located between part or all of the adjacent first bulges 7; a supporting convex structure 9 is arranged in the second bulge 8, and the convex direction of the supporting convex structure 9 is the same as that of the second bulge 8; when the direction of projection of the second bump 8 is opposite to the direction of projection of the first bump 7, the second bump 8 is located on the second facing 2 and the supporting projection structure 9 is located on the first facing 1. The first surface layer 1 is arranged below the second surface layer 2, and the protruding direction of the first bulges 7 is back to the plane where the first surface layer 1 is located.
Example 5
Referring to fig. 8 to 11, a first opening 1.1 and a second opening 1.2 are formed in the first surface layer 1, the first opening 1.1 and the second opening 1.2 can be simultaneously or separately formed, the first opening 1.1 penetrates through the first bulge 7, and the second opening 1.2 penetrates through the second bulge 8 and the supporting protrusion structure 9. The roll surface of the first roll 3 is provided with a plurality of first punching pieces for forming first openings 1.1, the roll surface of the second roll 4 is provided with a plurality of second punching pieces for forming second openings 1.2, and the first punching pieces and the second punching pieces are respectively matched with the concave roll 5 to form the first openings 1.1 and the second openings 1.2 on the first surface layer 1 and the second surface layer 2.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalents or equivalent changes fall within the protection scope of the present invention.
Claims (10)
1. The preparation device of the double-layer composite fiber material is characterized by comprising a first roller (3), a second roller (4), a concave roller (5) and a bonding mechanism (6), wherein a plurality of first bosses (3.1) used for pressing first bulges (7) on a first surface layer (1) are arranged on the roller surface of the first roller (3), a plurality of first grooves (5.1) matched with the first bosses (3.1) are arranged on the concave roller (5), the first grooves (5.1) and the first bosses (3.1) are matched with each other to form a plurality of first bulges (7) on the first surface layer (1), and the bonding mechanism (6) is used for bonding and connecting the first surface layer (1) and a second surface layer (2) together.
2. The device for preparing the double-layer composite fiber material according to claim 1, wherein a plurality of second bosses (4.1) for pressing the supporting convex structures (9) on the second facing (2) are arranged on the roll surface of the second roll (4), a plurality of second grooves (5.3) matched with the second bosses (4.1) are arranged on the roll surface of the concave roll (5), the second grooves (5.3) and the second bosses (4.1) are matched to simultaneously form a plurality of supporting convex structures (9) and second bulges (1.2) on the second facing (2), and the supporting convex structures (9) are embedded in the second bulges (1.2).
3. The device for preparing the double-layer composite fiber material according to claim 1, wherein a plurality of third bosses (3.3) for pressing second bulges (1.2) on the first surface layer (1) are arranged on the roll surface of the first roll (3), and the third bosses (3.3) and the second grooves (5.3) are matched to form a plurality of second bulges (8) on the first surface layer (1); the roller surface of the second roller (4) is provided with a plurality of second bosses (4.1) for pressing out supporting convex structures (9) on the second surface layer (2), the roller surface of the concave roller (5) is provided with a plurality of second grooves (5.3) matched with the second bosses (4.1), and the second grooves (5.3) and the second bosses (4.1) are matched with each other to form a plurality of supporting convex structures (9) on the second surface layer (2).
4. The device for preparing the double-layer composite fiber material according to claim 1, wherein a plurality of fourth bosses (5.2) for pressing the supporting convex structures (9) on the first face layer (1) are arranged on the roll surface of the concave roll (5), a plurality of fourth grooves (3.4) matched with the fourth bosses (5.2) are arranged on the roll surface of the first roll (3), the fourth grooves (3.4) and the fourth bosses (5.2) are matched to form a plurality of supporting convex structures (9) on the first face layer (1), a plurality of fifth grooves (4.2) matched with the fourth bosses (5.2) are arranged on the roll surface of the second roll (4), and the fifth grooves (4.2) and the fourth bosses (5.2) are matched to form a plurality of second bulges (8) on the second face layer (2).
5. The device for preparing a two-layer composite fibre material according to claim 1, wherein the roll surface of the first roll (3) is provided with a plurality of first perforation members for making first openings (1.1), and the roll surface of the second roll (4) is provided with a plurality of second perforation members for making second openings (1.2), the first and second perforation members cooperating with the female roll (5) to form the first and second openings (1.1, 1.2) in the first and second facings (1, 2), respectively.
6. The preparation method of the double-layer composite fiber material is characterized by comprising the following steps of:
s0, providing the preparation device of claim 2;
s1, conveying the first surface layer (1) to a position between the concave roller (5) and the first roller (3), and forming a plurality of first bulges (7) on the first surface layer (1) through the cooperation of the first grooves (5.1) and the first bosses (3.1);
s2, conveying the first surface layer (1) and the second surface layer (2) to a position between a concave roller (5) and a second roller (4) at the same time, and forming a second bulge (8) and a supporting convex structure (9) on the first surface layer (1) and the second surface layer (2) respectively through the cooperation of a second groove (5.3) and a second boss (4.1), wherein the supporting convex structure (9) is positioned inside the second bulge (8);
s3, the first surface layer (1) and the second surface layer (2) are conveyed forwards continuously to a bonding mechanism (6), and the periphery of the root of the first bulge (7) and the second surface layer (2) are bonded together to form the double-layer composite fiber material.
7. The preparation method of the double-layer composite fiber material is characterized by comprising the following steps of:
s0, providing the preparation device of claim 3;
s1, conveying the first surface layer (1) to a position between a concave roller (5) and a first roller (3), forming a plurality of first bulges (7) on the first surface layer (1) through the cooperation of a first groove (5.1) and a first boss (3.1), and simultaneously forming a plurality of second bulges (8) on the first surface layer (1) through the cooperation of a third boss (3.3) and a second groove (5.3);
s2, conveying the first surface layer (1) and the second surface layer (2) to a position between the concave roller (5) and the second roller (4) simultaneously, and forming a supporting convex structure (9) on the second surface layer (2) through the cooperation of the second groove (5.3) and the second boss (4.1), wherein the supporting convex structure (9) is positioned inside the second bulge (8);
s3, the first surface layer (1) and the second surface layer (2) are conveyed forwards continuously to a bonding mechanism (6), and the periphery of the first bulge root (7) and the second surface layer (2) are bonded together to form the double-layer composite fiber material.
8. The preparation method of the double-layer composite fiber material is characterized by comprising the following steps of:
s0, providing the preparation device of claim 4;
s1, conveying the first surface layer (1) between a concave roller (5) and a first roller (3), forming a plurality of first bulges (7) on the first surface layer (1) through the cooperation of a first groove (5.1) and a first boss (3.1), and simultaneously forming a plurality of supporting convex structures (9) on the first surface layer (1) through the cooperation of a fourth groove (3.4) and a fourth boss (5.2);
s2, conveying the first surface layer (1) and the second surface layer (2) to a position between the concave roller (5) and the second roller (4) simultaneously, forming a second bulge (8) on the second surface layer (2) through the cooperation of a fifth groove (4.2) and a fourth boss (5.2), and enabling the supporting convex structure (9) to be located inside the second bulge (8);
s3, continuously conveying the first surface layer (1) and the second surface layer (2) to a bonding mechanism (6), and bonding and connecting the periphery of the first bulge root (7) and the second surface layer (2) together to form the double-layer composite fiber material.
9. A two-layer composite fiber material obtained directly by the production method according to any one of claims 6 to 8.
10. A sanitary product comprising the two-layer composite fiber material according to claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210412355.6A CN114767388A (en) | 2022-04-19 | 2022-04-19 | Preparation device and method of double-layer composite fiber material |
| CN202310406105.6A CN116509631A (en) | 2022-04-19 | 2023-04-17 | Preparation device and method of double-layer composite fiber material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210412355.6A CN114767388A (en) | 2022-04-19 | 2022-04-19 | Preparation device and method of double-layer composite fiber material |
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| CN114767388A true CN114767388A (en) | 2022-07-22 |
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| CN202210412355.6A Withdrawn CN114767388A (en) | 2022-04-19 | 2022-04-19 | Preparation device and method of double-layer composite fiber material |
| CN202310406105.6A Pending CN116509631A (en) | 2022-04-19 | 2023-04-17 | Preparation device and method of double-layer composite fiber material |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020160155A1 (en) * | 2001-04-10 | 2002-10-31 | Muller Heinz Jurgen | Method and device for producing a multi-ply web of flexible material, such as paper and nonwoven, and multi-ply material produced by the method |
| US20090221979A1 (en) * | 2008-02-29 | 2009-09-03 | Chen-Cheng Huang | Topsheet for an absorbent article |
| CN105748209A (en) * | 2016-03-16 | 2016-07-13 | 厦门延江新材料股份有限公司 | Perforated non-woven fabric and production method thereof |
| CN205467597U (en) * | 2016-02-02 | 2016-08-17 | 安庆市恒昌机械制造有限责任公司 | Compound non -woven fabric and manufacturing installation thereof |
| JP2021037057A (en) * | 2019-09-02 | 2021-03-11 | 花王株式会社 | Absorbent article |
-
2022
- 2022-04-19 CN CN202210412355.6A patent/CN114767388A/en not_active Withdrawn
-
2023
- 2023-04-17 CN CN202310406105.6A patent/CN116509631A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020160155A1 (en) * | 2001-04-10 | 2002-10-31 | Muller Heinz Jurgen | Method and device for producing a multi-ply web of flexible material, such as paper and nonwoven, and multi-ply material produced by the method |
| US20090221979A1 (en) * | 2008-02-29 | 2009-09-03 | Chen-Cheng Huang | Topsheet for an absorbent article |
| CN205467597U (en) * | 2016-02-02 | 2016-08-17 | 安庆市恒昌机械制造有限责任公司 | Compound non -woven fabric and manufacturing installation thereof |
| CN105748209A (en) * | 2016-03-16 | 2016-07-13 | 厦门延江新材料股份有限公司 | Perforated non-woven fabric and production method thereof |
| JP2021037057A (en) * | 2019-09-02 | 2021-03-11 | 花王株式会社 | Absorbent article |
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| CN116509631A (en) | 2023-08-01 |
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