CN106137558A - The absorptive core of absorbent commodity and processing technology thereof - Google Patents
The absorptive core of absorbent commodity and processing technology thereof Download PDFInfo
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- CN106137558A CN106137558A CN201610699477.2A CN201610699477A CN106137558A CN 106137558 A CN106137558 A CN 106137558A CN 201610699477 A CN201610699477 A CN 201610699477A CN 106137558 A CN106137558 A CN 106137558A
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- Prior art keywords
- layer
- integument
- viscose
- fibrous layer
- glue
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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
- A61F13/53—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 absorbing medium
- A61F13/539—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 absorbing medium characterised by the connection of the absorbent layers with each other or with the outer layers
-
- 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
- A61F13/53—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 absorbing medium
- A61F13/539—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 absorbing medium characterised by the connection of the absorbent layers with each other or with the outer layers
- A61F2013/53908—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 absorbing medium characterised by the connection of the absorbent layers with each other or with the outer layers with adhesive
- A61F2013/53925—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 absorbing medium characterised by the connection of the absorbent layers with each other or with the outer layers with adhesive with intermittent pattern, e.g. spots
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention discloses absorptive core and the processing technology thereof of a kind of absorbent commodity, wherein, the absorptive core of described absorbent commodity includes integument, absorbent core layer, lower integument and for making upper integument and bonding the first viscose glue group of lower integument, and described absorbent core layer includes the first absorbent core layer, the first fibrous layer and the second absorbent core layer from top to bottom set gradually；Described first viscose glue group includes along spaced apart at least two group the first viscose glue bodies of absorptive core length direction, the described length of the first viscose glue body matches with the width of described absorptive core, absorptive core is divided at least three section from length direction by described at least two group the first viscose glue bodies, and the absorbent core layer in the stage casing between leading portion and back segment also includes the 3rd absorbent core layer set gradually from top to bottom and the second fibrous layer being located between the first fibrous layer and the second absorbent core layer.
Description
Technical field
The present invention relates to hygiene article sector, particularly relate to absorptive core and the processing technology thereof of a kind of absorbent commodity.
Background technology
Absorbent commodity such as diaper, sanitary towel etc. are a kind of conventional hygienic article.In general, such absorbability
Article are made up of three major parts: surface coating layer, absorptive core and base fabric.Surface coating layer be referred to as clad or
Water penetration top layer, clad is close to the health of user, it is possible to promotes urine rapid osmotic effectively prevention to bleed back, makes urine pants table
Layer keeps dry and comfortable.The clad of the diaper on domestic market is substantially non-woven fabrics surface layer, and Breathable nonwoven can promote
Ventilative degree within urine pants, steam can be circulated to beyond urine pants, discharges dampness and steam in time, effectively reduces diaper rash
The chance occurred, soft comfortable does not stimulate skin.Absorptive core is referred to as absorbent core layer or absorber, absorptive core
Main Function be can capture and quickly absorb urine, dispersion urine maybe can be diffused into whole sandwich layer it by capillarity
In, final absorb and storage of urine.Absorptive core generally comprises the integument set gradually from the bottom to top, lower adhesive layer, absorption
Sandwich layer, upper adhesive layer and upper integument.Base fabric, is the outermost structure of diaper, has impermeability, is possible to prevent to absorb
Moisture in core body oozes out, the most alternatively referred to as impermeability bottom.
Along with people to the requirement of diaper not to raising, he (she) uses for convenience, and people require that diaper is not
But frivolous, also want that absorbability is good, diffusibility fast etc., therefore, manufacturer, in order to make product more fit the demand of people, generally exists
Make an effort to promote frivolous property, absorbability and the diffusibility of diaper on the integument of diaper, absorptive core.Such as will parcel
Layer is replaced by more frivolous, more ventilative non-woven paper or non-woven fabrics.The most such as reduce the thickness of absorptive core, increase macromolecule simultaneously
The consumption of water-absorbing resin (Super Absorbent Polymer, SAP), makes that absorptive core is more lightening, absorbability is more preferable.
In these modes, traditional upper and lower integument that absorptive core composition still still uses, it is positioned at upper and lower bag
Absorbent core layer between covering layer, for absorbent core layer and upper integument are bonded with upper adhesive-layer, be used for by absorbent core layer with under
The lower adhesive-layer that integument is bonding, absorbent core layer then remain by middle loft non-woven layer of cloth with lay respectively at middle fluffy nothing
Spin upper strata hydroscopic high-molecular resin layer and lower floor's hydroscopic high-molecular resin layer composition of layer of cloth upper and lower surface, so, whole absorption
Core body is then seven layers, and two-layer adhesive-layer uses and completely sprays mode, adds the thickness of whole absorptive core, and is unfavorable for absorbent cores
The absorption of body, same, loft non-woven layer of cloth also increases thickness, but diffusibility and absorbability effect are the best；Further, existing
Hydroscopic high-molecular resin layer thickness on whole core body is the most identical, so, is positioned at the macromolecule of two sections before and after absorptive core and inhales
Water-resin utilization rate is relatively low, and the hydroscopic high-molecular resin being positioned at absorptive core stage casing (urine point) excessively utilizes, and causes stage casing
Diffusibility poor.
To sum up, how to provide that a kind of absorbability is good, diffusibility soon, more frivolous, reasonable Arrangement hydroscopic high-molecular resin layer, carry
The utilization of high hydroscopic high-molecular resin, reduce viscose glue consumption, make that absorptive core is more environmentally friendly, promote user experience and satisfaction
The absorptive core of absorbent commodity is problem in urgent need to solve.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the technical problem to be solved is: provides and a kind of receives that property is good, expand
Scattered property soon, more frivolous, reasonable Arrangement hydroscopic high-molecular resin layer, improve hydroscopic high-molecular resin utilization, reduce viscose glue consumption,
Make absorptive core and the processing technology thereof of the more environmentally friendly absorbent commodity of absorptive core.
For solving above-mentioned technical problem, the technical scheme that the present invention takes is: provide the suction of a kind of absorbent commodity
Receive core body, including upper integument, absorbent core layer, lower integument and for make upper integument and lower integument bonding first
Viscose glue group, described absorbent core layer includes that the first absorbent core layer, the first fibrous layer and second that from top to bottom set gradually absorb
Sandwich layer；Described first viscose glue group includes along spaced apart at least two group the first viscose glue bodies of absorptive core length direction, described
The length of one viscose glue body matches with the width of described absorptive core, described at least two group the first viscose glue bodies by absorptive core from length
Degree is divided at least three section on direction, and the absorbent core layer in the stage casing between leading portion and back segment also includes being located at the first fiber
The 3rd absorbent core layer set gradually from top to bottom between layer and the second absorbent core layer and the second fibrous layer.
Further, described each group of the first viscose glue body all includes first between lower integument and the second fibrous layer
Viscose top, between the second fibrous layer and the first fibrous layer corresponding to the first viscose top position the second viscose top, be positioned at
Corresponding to the 3rd viscose top of position of the second viscose top between upper integument and the first fibrous layer, when upper integument, first
Between fibrous layer, the second fibrous layer and lower integument after bonding, described first viscose top, the second viscose top and the 3rd are viscous
Adhesive tape overlaps.
Further, also include that the second viscose glue group, described second viscose glue group include the width along described absorptive core
Spaced apart some groups of the second viscose glue bodies, the described length of the second viscose glue body matches with the length of absorptive core, and described
One viscose glue body and the second viscose glue body are handed in length and breadth and are arranged in field shape.
Further, described each group of the second viscose glue body all include between lower integument and the second fibrous layer
Four viscose tops, the 5th viscose top between the second fibrous layer and the first fibrous layer, it is positioned at the first fibrous layer and upper integument
Between the 6th viscose top, between upper integument, the first fibrous layer, the second fibrous layer and lower integument bonding after, institute
State the 4th viscose top, the 5th viscose top and the 6th viscose top to overlap.
Further, described 4th viscose top, the 5th viscose top and the 6th viscose top are all in snail banding.
Further, described first viscose glue body be on length direction, absorptive core will be divided into before, during and after three sections
Two group of first viscose glue body.
Further, described stage casing accounts for the 1/3～2/3 of absorptive core length.
Further, the weight of the absorbent core layer being positioned at stage casing accounts for the 55-70% of the gross weight of whole absorbent core layer.
Further, the edge of described upper integument and the edge of lower integument use hot pressing or the mode edge sealing of viscose glue.
For solving above-mentioned technical problem, another technical scheme that the present invention takes is: provide a kind of absorbent commodity
The processing technology of absorptive core, comprises the following steps:
The first step, lower integument uncoiling conveying operation, utilizes conveyer device to make after lower integument finished product is involved in row uncoiling
Lower integument persistently moves forward to the direction of first longitudinal glue-spraying device；
Second step, lower integument upper surface be longitudinally continuous glue spraying operation, during making lower integument persistently move forward,
Utilize the upper table of multiple downward integuments of first jet being set up in parallel along the width of lower integument of the first glue-spraying device
Face carries out glue spraying；
3rd step, the interruption transverse jet glue process of lower integument upper surface, after lower integument completes longitudinal glue spraying, continue conveying
Lower integument continues for moving to the second glue-spraying device position, utilizes the second downward integument of glue-spraying device to carry out being interrupted horizontal stroke
To glue spraying, to form the first viscose top；
4th step, the second fibrous layer and lower integument compound working procedure, including following sub-operation:
1) the second fibrous layer uncoiling carries sub-operation；
2) the second fibrous layer composite surface hydroscopic high-molecular resin sprays operation, to form the second absorbent core layer；
3) the second fibrous layer is combined sub-operation, is used for making the second fibrous layer be compound in lower integument, to form the first composite bed；
5th step, the first fibrous layer compound working procedure, for being compound in the second fiber by the second set composite by the first fibrous layer
On layer, this operation includes following sub-operation:
1) the first fibrous layer uncoiling carries sub-operation；
2) the first fibrolaminar composite surface is longitudinally continuous the sub-operation of glue spraying, to form the 5th viscose top；
3) the first fibrolaminar composite surface is interrupted transverse jet gluon operation, to form the second viscose top；
4) the first fibrolaminar composite surface discontinuous hydroscopic high-molecular resin layer sprays sub-operation, to form the 3rd absorbent core layer；
5) compound sub-operation: for by glue spraying and be sprayed with the first fibrous layer of the second absorbent core layer and be compound in the first composite bed,
To form the second composite bed；
6th step, upper integument compound working procedure, this operation includes following sub-operation:
1) on, integument composite surface is longitudinally continuous the sub-operation of glue spraying, to form the 3rd viscose top；
2) the interruption transverse jet gluon operation of upper integument composite surface, to form the first viscose top；
3) the first absorbed layer of upper integument composite surface sprays sub-operation, continuously to form the first absorbent core layer.
Operation is cut in 7th step, product hot pressing, for the edge of absorptive core is carried out hot-pressing, edge-sealing, then carries out point
Cut, will prolong and longitudinally cut the absorptive core for meeting Rack by product；
8th step, product rolling.
The absorptive core of the absorbent commodity of the present invention and processing technology thereof, add the macromolecule water uptake being positioned at interlude
The resin number of plies, accompanies one layer of fibrous layer between the most adjacent two-layer hydroscopic high-molecular resin layer, increases water conservancy diversion diffusion further
Effect, increase the absorption diffusion of urine to urine point position and water conservancy diversion, be positioned at the macromolecule water uptake tree of leading portion and back segment
The number of plies of lipid layer is slightly few than the number of plies of the water-absorbing resin layer of interlude, same between two adjacent hydroscopic high-molecular resin layers
Folder alternating floor fibrous layer, before and after leading portion and back segment are positioned at urine point, carry out absorption to the urine being diffused into before and after's section by interlude and leads
Stream lock water effect, increases the surface dry of the absorbent commodity using this absorptive core, brings to user and preferably experience effect
Really, using compartment glue spraying, viscose glue body will not take whole absorptive core, further add the absorbability of absorbent core layer
Can, also reduce glue spraying consumption simultaneously, through statistics, traditional unidirectional glue spraying amount is 4～6 grams/square, and this structure uses
Glue spraying amount is then 1～3 gram/square, reduces the glue spraying amount of 50～70%.Meanwhile, absorbent core layer and existing intermediate layer are fluffy
Non-woven fabrics, mainly with loft non-woven cloth, spills a small amount of hydroscopic high-molecular resin in loft non-woven cloth upper and lower surface and compares, this absorption
Sandwich layer greatly reduces the thickness of absorptive core, makes absorptive core more frivolous, and hydroscopic high-molecular resin can improve absorption speed
Degree, product is dry-ness to be guaranteed.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing skill
In art description, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
These accompanying drawings obtain other accompanying drawing.
Fig. 1 is the bowing to perspective view of the absorptive core of the absorbent commodity of the present invention.
Fig. 2 is the skiagraph of Fig. 1.
Fig. 3 is the cross-sectional view of Fig. 1.
Fig. 4 is the production process charts of the absorptive core of the present invention.
Fig. 5 is the absorptive core side view corresponding with Fig. 4.
Fig. 6 is the upper integument structural representation by the lower surface after glue spraying.
Fig. 7 is the structural representation of the first absorbed layer.
Fig. 8 is first fibrous layer structural representation by the lower surface after glue spraying.
Fig. 9 is the structural representation of the 3rd absorbed layer.
Figure 10 is the second fibrolaminar structural representation.
Figure 11 is the structural representation of the second absorbent core layer.
Figure 12 is the lower integument structural representation by the upper surface after glue spraying.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 1 to Figure 12, the absorbent commodity of the present embodiment is diaper, the absorbent cores of following absorbent commodity
Body is all described in detail as a example by the absorptive core of diaper, it will be appreciated that, in other examples, described absorbability thing
Product are not limited only to diaper, such as, can also is that sanitary towel etc..Described absorptive core include integument 10, absorbent core layer,
Lower integument 16 and for making integument 10 and bonding the first viscose glue group of lower integument 16, described absorbent core layer includes
The first absorbent core layer the 11, first fibrous layer 12 and the second absorbent core layer 15 from top to bottom set gradually；Described first viscose glue
Group includes along spaced apart at least two group the first viscose glue bodies 20 of absorptive core length direction, the length of described first viscose glue body 20
Matching with the width of described absorptive core, absorptive core is divided into from length direction by described at least two group the first viscose glue bodies
At least three section, the absorbent core layer in the stage casing between leading portion and back segment also includes that being located at the first fibrous layer 12 and second absorbs
The 3rd absorbent core layer 13 and the second fibrous layer 14 set gradually from top to bottom between sandwich layer 15.
The present embodiment as a example by two group of first viscose glue body 20, before absorptive core is divided into by two group of first viscose glue body 20, in,
Latter three sections.Wherein:
Described each group of the first viscose glue body equal 20 includes the first viscose top between lower integument 16 and the second fibrous layer 14
201, corresponding to the second viscose top of the first viscose top 201 position between the second fibrous layer 14 and the first fibrous layer 12
202, corresponding to the 3rd viscose top of position of the second viscose top 202 between upper integument 10 and the first fibrous layer 12
203, between upper integument the 10, first fibrous layer the 12, second fibrous layer 14 and lower integument 16 after bonding, described first
Viscose top the 201, second viscose top 202 and the 3rd viscose top 203 overlap.
In the present embodiment, described diaper absorptive core also includes that the second viscose glue group, described second viscose glue group include along institute
State the spaced apart some groups of second viscose glue bodies 21 of width of absorptive core, the length of described second viscose glue body 21 and absorption
The length of core body matches, and described first viscose glue body 20 and the second viscose glue body 21 are handed in length and breadth and arranged in field shape.Wherein:
Described each group of the second viscose glue body 21 all include between lower integument 16 and the second fibrous layer 14 the 4th viscose glue
Articles 211, the 5th viscose top 212 between the second fibrous layer 14 and the first fibrous layer 12, be positioned at the first fibrous layer 12 with on
The 6th viscose top between integument 10, when upper integument the 10, first fibrous layer the 12, second fibrous layer 14 and lower integument 16
Between bonding after, described 4th viscose top the 211, the 5th viscose top 212 and the 6th viscose top overlap.
Further, preferred or optional as one, described 4th viscose top the 211, the 5th viscose top 212 and the 6th viscose glue
Bar is all in snail banding.The 4th viscose top the 211, the 5th viscose top 212 and the 6th viscose top 213 that are positioned at each layer are equal
It is distributed in length and breadth with first viscose top the 201, second viscose top 202 and the 3rd viscose top 203, with by the most adjacent two adjacent two fibers
Space between layer (including upper and lower integument 16) is divided into some independent subspaces, for separating the absorbent cores of respective layer
Layer, is separated into the absorbent core layer of some zonules by the absorbent core layer in big region, increases the stability of absorbent core layer.Use this
Structure, is all isolated into several independent accommodation spaces by each layer of absorbent core layer of each section, it is to avoid due to the sky of each section
Between relatively big and each absorbent core layer of in this section of space causing easily move, the problem such as fixing, for providing a kind of stability more
Well, soaking effect and the more preferable absorptive core of diffusion effect perform basis.
In the present embodiment, each absorbent core layer is hydroscopic high-molecular resin layer, and the most each absorbent core layer is by some high
Molecule water absorbing resin particle forms.
In this specific embodiment, described first viscose glue body 20 be by the space between upper integument 10 and lower integument 16 from
Two group of first viscose glue body 20 of three sections before, during and after being separated on length direction.Wherein, middle segment length accounts for absorptive core total length
1/3～2/3.The weight of the absorbent core layer being positioned at stage casing accounts for the 55～75% of the gross weight of whole absorbent core layer.It is so designed that,
Stage casing then just can be designed the position corresponding to urine point on absorptive core, due to stage casing, there are three layers of macromolecule water uptake
Resin bed, hydroscopic high-molecular resin content is higher than the hydroscopic high-molecular resin being positioned at leading portion and back segment, due to urine point position
Urine is more, and the oncoming force is rapider, therefore uses this design, be positioned at the stage casing of urine point position can faster absorb urine and
And absorbent core layer does not uses the adhesive-layer of full spray mode as prior art, therefore permeability and diffusibility are more preferable, significantly
Reduce viscose glue amount, more environmentally friendly.
In the present embodiment, the edge of described upper integument 10 and the edge of lower integument 16 use hot pressing or the side of viscose glue
Formula edge sealing.The hydroscopic high-molecular resin granule being so possible to prevent in the space of edge spills from the both sides of absorptive core
Fall, easily expose outside absorptive core, it is also possible to can expose outside absorbent commodity, bring uncomfortable impression to user, reduce user
Experience Degree and satisfaction.
As one, preferably or optionally, described first fibrous layer 12 and/or the second fibrous layer 14 can be non-woven fabrics.
The diaper absorptive core of the present invention, compared with existing structure, adds the macromolecule water uptake tree being positioned at interlude
Lipid layer number, accompanies one layer of fibrous layer between the most adjacent two-layer hydroscopic high-molecular resin layer, increases water conservancy diversion diffusion further
Effect, increases absorption diffusion and the water conservancy diversion of the urine that urine is put position, is positioned at the hydroscopic high-molecular resin of leading portion and back segment
The number of plies of layer is slightly few than the number of plies of the water-absorbing resin layer of interlude, and same presss from both sides between two adjacent hydroscopic high-molecular resin layers
Before and after alternating floor fibrous layer, leading portion and back segment are positioned at urine point, carry out the urine being diffused into before and after's section by interlude absorbing water conservancy diversion
Lock water effect, increases the surface dry of the absorbent commodity using this absorptive core, brings more preferable experience effect to user,
Using compartment glue spraying, viscose glue body will not take whole absorptive core, further add the absorbent properties of absorbent core layer, with
Time also reduce glue spraying consumption, through statistics, traditional unidirectional glue spraying amount is 4～6 grams/square, and in this structure use glue spraying
Amount is then 1～3 gram/square, reduces the glue spraying amount of 50～70%.Meanwhile, absorbent core layer and existing intermediate layer are loft non-woven
Cloth, mainly with loft non-woven cloth, spills a small amount of hydroscopic high-molecular resin in loft non-woven cloth upper and lower surface and compares, this absorbent core layer
Greatly reducing the thickness of absorptive core, make absorptive core more frivolous, hydroscopic high-molecular resin can improve infiltration rate, produces
Product are dry-ness to be guaranteed.
Refer to the production process charts that Fig. 4, Fig. 4 are the diaper absorptive cores of the present invention.In the present embodiment, diaper is inhaled
The manufacturing procedure receiving core body comprises the following steps:
The first step, lower integument 16 uncoiling conveying operation, utilizes conveying dress after lower integument 16 finished product involves in row uncoiling
Put and make lower integument 16 persistently move forward to the direction of first longitudinal glue-spraying device；
In this operation, integument under finished product 16 is installed on the first installation axle, drives lower integument 16 by conveyer device
Free end first longitudinal glue-spraying device forwards moves.
Second step, lower integument 16 upper surface be longitudinally continuous glue spraying operation；
During making lower integument 16 persistently move forward, utilize multiple width along lower integument 16 of the first glue-spraying device
The upper surface of the downward integument of first jet 16 that degree direction is set up in parallel carries out glue spraying.Between the plurality of first jet mutually
Interval, in the present embodiment, described first glue-spraying spout is three, the interval one fixed width of two the most adjacent the first glue-spraying spouts, uses
In spraying three group of second viscose glue body 21 on lower integument 16, lower integument 16 is separated into four sections by from the width direction,
Thus form many groups the second viscose glue body 21, it is used for making lower integument 16 bonding with upper integument 10.Wherein, first jet towards
The upper surface of lower integument 16, when integument 16 is moved at this instantly, the plurality of first jet is in circumnutation mode
Glue spraying, so that lower adhesive-layer is in many group snail bandings, the 4th viscose top 211 described in formation；In the present embodiment, plane
The width range 10mm-20mm of spiral shape viscose glue body.Intelligible, described first jet can also direct and prior art one
Sample, sprays the second viscose glue body 21 of strip, the most no longer it is carried out too much restricted description.Fig. 5 is the technique with Fig. 4
The product side view of flow chart trend, as seen from Figure 5, has carried out longitudinal direction when product moves to second step with conveyer device
Glue spraying operation.
In this step, along with constantly persistently moving of lower integument 16, this first glue-spraying device the most constantly continues glue spraying, directly
Lower integument 16 is had below extremely carrying complete lower integument 16 or being not detected by.
3rd step, the interruption transverse jet glue process of lower integument 16 upper surface:
After lower integument 16 completes longitudinal glue spraying, continue the lower integument 16 of conveying and continue for the second glue-spraying device position
Mobile, utilize the second downward integument of glue-spraying device 16 to carry out being interrupted horizontal glue spraying and (i.e. spray one at interval of a segment distance
The first horizontal glue parallel with lower integument 16 width, can be by arranging the time of the drive part of the second glue-spraying device
Realize spraying one first horizontal glue every a segment distance).Specifically, the second glue-spraying device has multiple arranged side by side second
Nozzle, the strip glue parallel with lower integument 16 width of each second nozzle ejection certain length, multiple second sprays
The strip glue first floor of mouth ejection connects, and forms the described first horizontal glue.Therefore, during concrete control, can be according to lower bag
The translational speed of covering layer 16 controls to drive the interval time of the second glue-spraying device, at interval of certain time, makes the second glue spraying dress
Putting viscose glue of sprinkling, the horizontal glue of the most feasible one-tenth described first, that is, form described first viscose top 201.After glue spraying completes
Lower integument 16 is shown in Figure 12.
4th step, the second fibrous layer 14 and lower integument 16 compound working procedure, this operation includes following sub-operation:
1) the second fibrous layer 14 uncoiling carries sub-operation: utilize conveying dress after the second fibrous layer 14 finished product involves in row uncoiling
Put and make the second fibrous layer 14 persistently move forward to the direction of the first set composite；In this operation, by finished product the second fibrous layer 14
It is installed on the second installation axle, is driven at the free end of the second fibrous layer 14 the first set composite forwards by conveyer device
Persistently move；
2) (the i.e. second absorbent core layer 15 sprays operation or second to the second fibrous layer 14 composite surface hydroscopic high-molecular resin sprinkling operation
Hydroscopic high-molecular resin layer sprays operation):
The first hydroscopic high-molecular resin flusher is utilized to continue the compound of the second fibrous layer 14 of moving of forward horizontal to
(after being compound on lower integument 16, this composite surface, towards the direction of lower integument 16, is also referred to as lower second fibrous layer 14 in face
Lower surface) spray hydroscopic high-molecular resin granule with formed above-described embodiment structure in the second absorbent core layer 15.This is one years old
Hydroscopic high-molecular resin device uses the mode of full spray that hydroscopic high-molecular resin (SAP) granule is sprayed on answering of the second fibrous layer 14
Conjunction face.Wherein, the second fibrous layer 14 is in the position by conveyer device horizontal feed to the first set composite, in order to the first high score
After sub-water-absorbing resin flusher sprays hydroscopic high-molecular resin granule, the second fibrous layer 14 will not be inclined by conveying to ensure height
Molecule water absorbing resin particle will not drop from the second fibrous layer 14 or will not move easily on lower integument 16.By Fig. 5
Can be seen that, during fibrous layer moves to the first set composite with conveyer device instantly, be sprayed SAP.
3) the second fibrous layer 14 is combined sub-operation:
Completing the 2nd) step SAP sprays after operation, and conveyer device continues to drive the second fibrous layer 14 being sprayed with SAP to move to first
At set composite, owing to the first set composite is between the position of lower integument 16 finished product volume and upper fibrous layer finished product volume, because of
This is while conveying the second fibrous layer 14, and conveyer device drives lower integument 16 to continue to move to the position of the first set composite
Dynamic, so that on integument 16 under being compound in of the second fibrous layer 14 of the 2nd SAP layer.
5th step, the first fibrous layer 12 compound working procedure, for being compound in the first fibrous layer 12 by the second set composite
On second fibrous layer 14, this operation includes following sub-operation:
1) the first fibrous layer 12 uncoiling carries sub-operation: utilize conveying dress after the first fibrous layer 12 finished product involves in row uncoiling
Put and make the first fibrous layer 12 persistently move forward to the direction of the second set composite；In this operation, by finished product the first fibrous layer 12
It is installed on the 3rd installation axle, is driven at the free end of the first fibrous layer 12 the second set composite forwards by conveyer device
Persistently move；Same, the second set composite is between the second fibrous layer 14 finished product volume and the first fibrous layer 12 finished product volume
Position, therefore, is utilizing conveyer device to drive the first fibrous layer 12 to continue while the second set composite moves, is also utilizing
Conveyer device drives the first composite bed of the first fibrous layer the 12, the 2nd SAP layer after being combined and lower integument 16 composition to second
The position of set composite is moved, the first composite bed and the first fibrous layer 12 to be combined, to be combined into the second composite bed.
2) composite surface of the first fibrous layer 12 is longitudinally continuous the sub-operation of glue spraying: with lower identical being longitudinally continuous of integument 16
To the composite surface of the first fibrous layer 12, (after the first fibrous layer 12 is compound on the first composite bed, this composite surface is glue spraying mode
Towards the one side of the first composite bed, it is the lower surface of the first composite bed) carry out longitudinal glue spraying, so that the first fibrous layer 12
Longitudinal viscose glue body arrangement of lower surface and position all identical with the upper surface of lower integument 16, form the 5th viscose top
212.The first fibrous layer 12 after glue spraying completes is shown in Fig. 8.
3) composite surface of the first fibrous layer 12 is interrupted transverse jet gluon operation: the composite surface of the first fibrous layer 12 is interrupted
Laterally glue spraying, so that the vertical and horizontal viscose glue body arrangement of the first fibrous layer 12 lower surface and position and lower integument
The arrangement of the upper surface of 16 is identical with position, forms the second viscose top 202.The first fibrous layer 12 after glue spraying completes is shown in figure
8。
4) (the i.e. the 3rd absorbent core layer 13 sprays work to the composite surface discontinuous SAP layer operation of sprinkling of the first fibrous layer 12
Sequence): the control mode that this interruption spills SAP operation is similar to the control mode being interrupted transverse jet gluon operation.Complete the 3rd)
After sub-operation, the 2nd SAP spraying particles device is then positioned at the second set composite and for being interrupted the glue-spraying device of horizontal glue spraying
Between position, during the first fibrous layer 12 continues to be delivered to the second set composite, same use pre-every one
Fix time and just open the 2nd SAP spraying particles device composite surface sprinkling SAP to the first fibrous layer 12, to form above-mentioned the 3rd
Absorbent core layer 13 or the 3rd SAP layer (see Fig. 5 and Fig. 9).
5) compound sub-operation: for by glue spraying and be sprayed with the first fibrous layer 12 of the 2nd SAP layer and be compound in the first composite bed
On, to form the second composite bed, then proceed to be fed forward lasting for the second composite bed, to be delivered at upper integument 10 enter
Row is compound.
6th step, upper integument 10 compound working procedure, this operation includes following sub-operation:
1) on, integument 10 composite surface is longitudinally continuous the sub-operation of glue spraying；
In this step, with identical being longitudinally continuous of composite surface with the upper surface or the first fibrous layer 12 of above-mentioned lower integument 16
Glue spraying carries out being longitudinally continuous glue spraying to the composite surface (after being compound on the second composite bed, then for lower surface) of upper integument 10, with
Form the 6th viscose top 213, therefore, repeat the most one by one.
2) the interruption transverse jet gluon operation of upper integument 10 composite surface；
In this step, carry out in the way of identical with the composite surface of above-mentioned lower integument 16 and upper surface or the first fibrous layer 12
It is interrupted horizontal glue spraying mode and the composite surface of upper integument 10 is interrupted horizontal glue spraying, to form the 3rd viscose top 203, thus
Make the upper surface and first of the vertical and horizontal viscose glue body arrangement of integument 10 lower surface and position and lower integument 16
The arrangement of the upper surface of fibrous layer 12 is identical with position (referring to Fig. 5 and Fig. 6).So so that each have viscose glue body
The viscose glue position of layer is identical, makes the SAP of whole absorptive core be respectively positioned at the same position of equivalent layer, makes the layout of absorptive core
More specification, do not have the phenomenons such as mixed and disorderly, more can improve effect and the effect of absorptive core.
3) a SAP layer of upper integument 10 composite surface sprays sub-operation continuously；
In this step, by the way of on above-mentioned lower integument 16, the most completely spray the 2nd SAP layer is identical, at upper integument 10
Composite surface sprays SAP, to form a SAP layer (the first absorbent core layer 11).It should be understood that in other examples, should
Oneth SAP layer sprays operation continuously can also be in the 5th in the 5th step) after compound sub-operation, it is sprayed on the first fibrous layer 12
On.
4) compound sub-operation, by be sprayed with a SAP layer and in length and breadth the upper integument 10 of viscose glue body be compound in second and be combined
On layer, from the beginning of the free end termination of upper integument 10, gradually it is compound on the second composite bed, to form absorptive core.
Operation is cut in 7th step, product hot pressing, for the edge of absorptive core is carried out hot-pressing, edge-sealing, then carries out point
Cut, will prolong and longitudinally cut the absorptive core for meeting Rack by product.
8th step, product rolling.
The processing technology of the absorbent commodity of the present invention, the wherein one layer of employing between the most adjacent two fibre layers is in length and breadth
Glue spraying, makes each SAP layer be isolated in inside independent region, prevents owing to region is too big, and SAP granule is run helter-skelter, the showing of movement
As, add the stability of SAP layer；Use the mode of side glue spraying, it is ensured that reduce glue spraying consumption while bonding effect, use
Interval glue spraying mode, same reduction glue spraying consumption, make absorptive core more environmentally friendly, reduce viscose glue abnormal smells from the patient, bring user and preferably feel
It is subject to and experiences.Above-mentioned processing technology is used to make the water absorption of absorptive core of absorbent commodity more preferable, the suction of every adjacent two layers
Receive and between sandwich layer, use fibrous layer, increase water conservancy diversion speed so that diffusibility faster, uses multilamellar SAP layer, and lock water effect is more preferable,
Do not have the phenomenons such as reverse osmosis, it is ensured that use the surface dry of the absorbent commodity of this absorptive core, promote user satisfied
Degree.
The invention also discloses a kind of absorbent commodity, including the absorptive core described in above-described embodiment.
These are only embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilize the present invention
Equivalent structure or equivalence flow process that description and accompanying drawing content are made convert, or are directly or indirectly used in other relevant technology
Field, is the most in like manner included in the scope of patent protection of the present invention.
Claims (10)
1. an absorptive core for absorbent commodity, including upper integument, absorbent core layer, lower integument and for making upper parcel
Layer and bonding the first viscose glue group of lower integument, it is characterised in that: described absorbent core layer includes from top to bottom setting gradually
First absorbent core layer, the first fibrous layer and the second absorbent core layer；Described first viscose glue group includes along absorptive core length direction
Spaced apart at least two group the first viscose glue bodies, the described length of the first viscose glue body matches with the width of described absorptive core,
Absorptive core is divided at least three section from length direction by described at least two group the first viscose glue bodies, be positioned at leading portion and back segment it
Between the absorbent core layer in stage casing setting gradually from top to bottom of also including being located between the first fibrous layer and the second absorbent core layer
3rd absorbent core layer and the second fibrous layer.
2. the absorptive core of absorbent commodity as claimed in claim 1, it is characterised in that: described each group of the first viscose glue body is equal
Including the first viscose top between lower integument and the second fibrous layer, between the second fibrous layer and the first fibrous layer phase
Should in the second viscose top of the first viscose top position, between upper integument and the first fibrous layer corresponding to the second viscose top
The 3rd viscose top of position, between upper integument, the first fibrous layer, the second fibrous layer and lower integument, bond it
After, described first viscose top, the second viscose top and the 3rd viscose top overlap.
3. the absorptive core of absorbent commodity as claimed in claim 1, it is characterised in that: also include the second viscose glue group, described
Second viscose glue group includes spaced apart some groups of the second viscose glue bodies of width along described absorptive core, described second viscose glue
The length of body matches with the length of absorptive core, and described first viscose glue body and the second viscose glue body are handed in length and breadth and arranged in field shape.
4. the absorptive core of absorbent commodity as claimed in claim 3, it is characterised in that: described each group of the second viscose glue body is equal
Including between lower integument and the second fibrous layer the 4th viscose top, between the second fibrous layer and the first fibrous layer
The 5th viscose top, the 6th viscose top between the first fibrous layer and upper integument, when upper integument, the first fibrous layer,
Between second fibrous layer and lower integument after bonding, described 4th viscose top, the 5th viscose top and the 6th viscose top phase
Overlapping.
5. the absorptive core of absorbent commodity as claimed in claim 4, it is characterised in that: described 4th viscose top, the 5th glue
Adhesive tape and the 6th viscose top are all in snail banding.
6. the absorptive core of absorbent commodity as claimed in claim 1, it is characterised in that: described first viscose glue body is will be from length
Two group of first viscose glue body of three sections before, during and after absorptive core being divided on degree direction.
7. the absorptive core of absorbent commodity as claimed in claim 4, it is characterised in that: described stage casing accounts for absorptive core length
1/3～2/3.
8. the absorptive core of absorbent commodity as claimed in claim 4, it is characterised in that: it is positioned at the weight of the absorbent core layer in stage casing
Amount accounts for the 55-70% of the gross weight of whole absorbent core layer.
9. the absorptive core of the absorbent commodity as described in claim any one of claim 1 to 8, it is characterised in that: institute
The edge at the edge and lower integument of stating integument uses hot pressing or the mode edge sealing of viscose glue.
10. the processing technology of the absorptive core of an absorbent commodity, it is characterised in that comprise the following steps:
The first step, lower integument uncoiling conveying operation, utilizes conveyer device to make after lower integument finished product is involved in row uncoiling
Lower integument persistently moves forward to the direction of first longitudinal glue-spraying device；
Second step, lower integument upper surface be longitudinally continuous glue spraying operation, during making lower integument persistently move forward,
Utilize the upper table of multiple downward integuments of first jet being set up in parallel along the width of lower integument of the first glue-spraying device
Face carries out glue spraying；
3rd step, the interruption transverse jet glue process of lower integument upper surface, after lower integument completes longitudinal glue spraying, continue conveying
Lower integument continues for moving to the second glue-spraying device position, utilizes the second downward integument of glue-spraying device to carry out being interrupted horizontal stroke
To glue spraying, to form the first viscose top；
4th step, the second fibrous layer and lower integument compound working procedure, including following sub-operation:
1) the second fibrous layer uncoiling carries sub-operation；
2) the second fibrous layer composite surface hydroscopic high-molecular resin sprays operation, to form the second absorbent core layer；
3) the second fibrous layer is combined sub-operation, is used for making the second fibrous layer be compound in lower integument, to form the first composite bed；
5th step, the first fibrous layer compound working procedure, for being compound in the second fiber by the second set composite by the first fibrous layer
On layer, this operation includes following sub-operation:
1) the first fibrous layer uncoiling carries sub-operation；
2) the first fibrolaminar composite surface is longitudinally continuous the sub-operation of glue spraying, to form the 5th viscose top；
3) the first fibrolaminar composite surface is interrupted transverse jet gluon operation, to form the second viscose top；
4) the first fibrolaminar composite surface discontinuous hydroscopic high-molecular resin layer sprays sub-operation, to form the 3rd absorbent core layer；
5) compound sub-operation: for by glue spraying and be sprayed with the first fibrous layer of the second absorbent core layer and be compound in the first composite bed,
To form the second composite bed；
6th step, upper integument compound working procedure, this operation includes following sub-operation:
1) on, integument composite surface is longitudinally continuous the sub-operation of glue spraying, to form the 3rd viscose top；
2) the interruption transverse jet gluon operation of upper integument composite surface, to form the first viscose top；
3) the first absorbed layer of upper integument composite surface sprays sub-operation, continuously to form the first absorbent core layer；
Operation is cut in 7th step, product hot pressing, for the edge of absorptive core is carried out hot-pressing, edge-sealing, then cuts, i.e.
Product is prolonged and longitudinally cuts the absorptive core for meeting Rack；
8th step, product rolling.
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| CN106137558B (en) | 2022-02-01 |
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