CN105997367A - Paper diaper absorbing core body, production technology thereof and adhesive spraying technology - Google Patents
Paper diaper absorbing core body, production technology thereof and adhesive spraying technology Download PDFInfo
- Publication number
- CN105997367A CN105997367A CN201610631994.6A CN201610631994A CN105997367A CN 105997367 A CN105997367 A CN 105997367A CN 201610631994 A CN201610631994 A CN 201610631994A CN 105997367 A CN105997367 A CN 105997367A
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- Prior art keywords
- glue
- layer
- integument
- adhesive
- snail
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- 238000005507 spraying Methods 0.000 title claims abstract description 103
- 238000005516 engineering process Methods 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title abstract description 10
- 239000000853 adhesive Substances 0.000 title abstract 12
- 230000001070 adhesive effect Effects 0.000 title abstract 12
- 239000012790 adhesive layer Substances 0.000 claims abstract description 91
- 239000012792 core layer Substances 0.000 claims abstract description 68
- 239000010410 layer Substances 0.000 claims abstract description 29
- 239000003292 glue Substances 0.000 claims description 133
- 239000002131 composite material Substances 0.000 claims description 71
- 229920000297 Rayon Polymers 0.000 claims description 66
- 239000002250 absorbent Substances 0.000 claims description 65
- 230000002745 absorbent Effects 0.000 claims description 65
- 239000011347 resin Substances 0.000 claims description 64
- 229920005989 resin Polymers 0.000 claims description 64
- 241000237858 Gastropoda Species 0.000 claims description 58
- 239000004744 fabric Substances 0.000 claims description 47
- 239000007921 spray Substances 0.000 claims description 27
- 230000019643 circumnutation Effects 0.000 claims description 23
- 150000001875 compounds Chemical class 0.000 claims description 20
- 239000004745 nonwoven fabric Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 7
- 230000002045 lasting effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 210000002700 urine Anatomy 0.000 description 12
- 238000010521 absorption reaction Methods 0.000 description 11
- 230000008595 infiltration Effects 0.000 description 9
- 238000001764 infiltration Methods 0.000 description 9
- 238000005457 optimization Methods 0.000 description 9
- 238000009792 diffusion process Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000009740 moulding (composite fabrication) Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002345 surface coating layer Substances 0.000 description 2
- 201000004624 Dermatitis Diseases 0.000 description 1
- 206010012444 Dermatitis diaper Diseases 0.000 description 1
- 208000003105 Diaper Rash Diseases 0.000 description 1
- 206010015150 Erythema Diseases 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 208000010668 atopic eczema Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 231100000321 erythema Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005808 skin problem Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920000247 superabsorbent polymer Polymers 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
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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
- A61F13/45—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 shape
- A61F13/49—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 shape specially adapted to be worn around the waist, e.g. diapers, nappies
- A61F13/496—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 shape specially adapted to be worn around the waist, e.g. diapers, nappies in the form of pants or briefs
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
-
- 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
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
- A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
- A61F2013/15463—Absorbency
-
- 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
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
- A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
- A61F2013/15544—Permeability
- A61F2013/1556—Water 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
- A61F2013/1591—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding via adhesive
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Textile Engineering (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention discloses a paper diaper absorbing core body, a production technology thereof and an adhesive spraying technology. The paper diaper absorbing core body comprises an upper wrapping layer, an absorbing core layer, an adhesive layer and a lower wrapping layer, wherein adhesive layer comprises a plurality of groups of adhesive bodies in a plane spiral band shape; the groups of adhesive bodies in a plane spiral band shape are distributed at intervals in the width direction of the absorbing core layer; the length of each group of adhesive bodies in a plane spiral band shape is matched with that of the absorbing core layer. The adhesive spraying technology is used for performing adhesive spraying on a surface to be sprayed of a layer to be sprayed of the paper diaper absorbing core body through an adhesive spraying device, and comprises the steps of ensuring that the layer to be sprayed continuously moves forward to the direction of the adhesive spraying device through a conveying device, and controlling a plurality of nozzles, which are arranged in parallel in the width direction of a plurality of layers to be sprayed, of the adhesive spraying to perform cyclotron motion adhesive spraying on the surface to be sprayed of the layer to be sprayed during the continuously forward movement, so that an adhesive layer with the groups of adhesive bodies in a plane spiral band shape is formed.
Description
Technical field
The present invention relates to hygiene article sector, particularly relate to a kind of diaper absorptive core and processing technology thereof and spray-bonding craft.
Background technology
Diaper is a kind of conventional hygienic article.In general, diaper is made up of three major parts: surface coating layer, absorptive core and base fabric.Surface coating layer is referred to as clad or water penetration top layer, and clad is close to the health of user, it is possible to promotes urine rapid osmotic effectively prevention to bleed back, makes urine pants top layer keep dry and comfortable.The clad of the diaper on domestic market is substantially non-woven fabrics surface layer, and Breathable nonwoven can promote urine
Ventilative degree within trousers, steam can be circulated to beyond urine pants, discharges dampness and steam in time, effectively reduces the chance that diaper rash occurs, and soft comfortable does not stimulate skin.Absorptive core is referred to as absorbent core layer or absorber, the Main Function of absorptive core be can capture and quickly absorb urine, dispersion urine maybe can be diffused into it in whole sandwich layer by capillarity, final absorb and storage of urine.Absorptive core generally comprises the integument set gradually from the bottom to top, lower adhesive layer, absorbent core layer, upper adhesive layer and upper integument.Base fabric, is the outermost structure of diaper, has impermeability, and the moisture being possible to prevent in absorptive core 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, people require that diaper is not only frivolous, also want that absorbability is good, diffusibility fast etc., therefore, manufacturer, in order to make product more fit the demand of people, generally makes an effort to promote frivolous property, absorbability and the diffusibility of diaper on the integument, absorptive core of diaper.Such as integument 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 the consumption of hydroscopic high-molecular resin (Super Absorbent Polymer, SAP) simultaneously, make that absorptive core is more lightening, absorbability is more preferable.And in prior art, in the manufacturing process of absorptive core, the spraying method of upper adhesive layer is full spray mode, i.e. completely sprayed on the surface of absorptive core by glue spraying instrument, this full pressure spray process can not uniformly be sprayed on the surface of absorptive core, there may be relatively thin etc. the situation of the glue spraying glue spraying thicker, some position of some position, adopting glue spraying in this way and extremely affect the water suction work being positioned on this High hydrophilous resin under adhesive layer, also can not make what liquid was exceedingly fast to penetrate into absorptive core from water penetration top layer even if increasing more High hydrophilous resin；Meanwhile, use the mode of full spray to also add the consumption of glue, be unfavorable for cost-effective.To sum up, how to provide that a kind of absorbability is good, diffusibility fast, improve the diaper absorptive core of the dry and comfortable degree on the water penetration top layer in paper urine storehouse and processing technology and spray-bonding craft become 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: provide a kind of structure only needing simply to change upper adhesive-layer and glue spraying operation can make the water absorption of product more preferably, spread faster diaper absorptive core and processing technology thereof and spray-bonding craft.
For solving above-mentioned technical problem, the technical scheme that the present invention takes is: provide a kind of diaper absorptive core, including upper integument, absorbent core layer, adhesive-layer and lower integument, described adhesive-layer is made up of the many groups of viscose glue bodies in snail banding, the described many groups of viscose glue bodies in snail banding are spaced apart along the width of described absorbent core layer, and the length of each group of viscose glue body in snail banding matches with the length of described absorbent core layer.
As optimization, described adhesive-layer includes adhesive-layer and lower adhesive-layer, described lower integument, lower adhesive-layer, absorbent core layer, upper adhesive-layer and upper integument set gradually from the bottom to top, described lower adhesive-layer is bonding with the lower surface of described absorbent core layer for the upper surface making lower integument, described upper adhesive-layer is bonding with the upper surface of described absorbent core layer for the lower surface making integument, it is characterized in that: described upper adhesive-layer is made up of many groups of the first viscose glue bodies in snail banding, described many groups of the first viscose glue bodies in snail banding are spaced along the width of described absorbent core layer and are arranged in the upper surface of absorbent core layer, the each group of length of the first viscose glue body in snail banding matches with the length of described absorbent core layer.
As optimization, described lower adhesive-layer is made up of many groups of the second viscose glue bodies in snail banding, described many groups of the second viscose glue bodies in snail banding are spaced along the width of described lower integument and are arranged in the upper surface of lower integument, and each group of length of the second viscose glue body in snail banding matches with the length of described absorbent core layer.
As optimization, described absorbent core layer includes loft non-woven cloth, the upper strata hydroscopic high-molecular resin being positioned at loft non-woven cloth upper surface and is positioned at lower floor's hydroscopic high-molecular resin of loft non-woven cloth lower surface.
As optimization, described upper strata hydroscopic high-molecular resin accounts for upper strata hydroscopic high-molecular resin and the 40%～50% of lower floor's hydroscopic high-molecular resin summation.
As optimization, described upper integument is first to imitate bonded non-woven fabrics.
As optimization, described lower integument is second to imitate bonded non-woven fabrics.
For solving above-mentioned technical problem, another technical scheme that the present invention takes is: provide the spray-bonding craft of a kind of diaper absorptive core, for utilizing the glue surface to be painted of the glue-spraying device glue-line to be painted to diaper absorptive core to carry out glue spraying, conveyer device is utilized to make glue-line to be painted persistently move forward to glue-spraying device direction, and the multiple nozzles being set up in parallel along glue-line width to be painted controlling glue-spraying device during persistently moving forward carry out circumnutation glue spraying to the glue surface to be painted of glue-line to be painted, thus form the adhesive-layer with the many groups of viscose glue bodies in snail banding.
As optimization, the circumnutation face of described nozzle is parallel with the glue surface to be painted of glue-line to be painted.
As optimization, the glue-line to be painted of described diaper absorptive core includes lower integument, the upper surface that glue surface to be painted is lower integument of described lower integument；Described glue-spraying device includes the first glue-spraying device；Conveyer device is utilized to make lower integument persistently move forward to the direction of the first glue-spraying device, and the upper surface controlling the downward integument of first jet that under multiple edges of the first glue-spraying device, the width of integument is set up in parallel during persistently moving forward carries out circumnutation glue spraying, thus forms the lower adhesive-layer with many groups of the second viscose glue bodies in snail banding.
As optimization, the glue-line to be painted of described diaper absorptive core also includes integument, the composite surface that glue surface to be painted is upper integument of described upper integument, described glue-spraying device also includes the second glue-spraying device, conveyer device is utilized to make integument during the direction of corresponding set composite is persistently moved, the composite surface making the multiple second nozzle being set up in parallel along the width of upper integument upwards integuments of the second glue-spraying device carries out circumnutation glue spraying, thus forms the upper adhesive-layer with many groups of the first viscose glue bodies in snail banding.
For solving above-mentioned technical problem, another technical scheme that the present invention takes is: provide the processing technology of a kind of diaper absorptive core, including following operation:
The first step, lower integument uncoiling conveying operation, utilizes conveyer device to make lower integument persistently move forward to the direction of the first glue-spraying device after lower integument finished product is involved in row uncoiling；
Second step, lower adhesive-layer glue spraying operation, during making lower integument persistently move forward, the upper surface utilizing multiple downward integuments of first jet being set up in parallel along the width of lower integument of the first glue-spraying device carries out circumnutation glue spraying, thus forms the lower adhesive-layer with many groups of the second viscose glue bodies in snail banding；
3rd step, loft non-woven cloth compound working procedure, utilize the first set composite that loft non-woven cloth is compound in the upper surface of lower integument, conveyer device is utilized to make loft non-woven cloth persistently move to the direction of the first set composite, by this first set composite, loft non-woven cloth is compound on lower integument, thus form the first composite bed, in this lasting moving process, carry out lower floor's hydroscopic high-molecular resin spray operation, so that lower floor's hydroscopic high-molecular resin is sprayed on the lower surface of loft non-woven cloth；
4th step, sprinkling upper strata hydroscopic high-molecular resin operation, the direction utilizing conveyer device to make the first composite bed upwards layer hydroscopic high-molecular resin spray instrument persistently moves forward, during making the first composite bed persistently move forward, the upper surface utilizing upper strata hydroscopic high-molecular resin to spray instrument loft non-woven cloth on the first composite bed sprays upper strata hydroscopic high-molecular resin；
5th step, upper integument compound working procedure, the second set composite is utilized to be compound on the first composite bed by upper integument, conveyer device is utilized to make the first composite bed and upper integument persistently move forward to the direction of the second set composite, by this second set composite, upper integument is compound in the upper of the first composite bed, thus form the second composite bed, lower floor's hydroscopic high-molecular resin in this second composite bed, loft non-woven cloth and upper strata hydroscopic high-molecular resin constitute described in absorbent core layer；Make on described integument during the direction of the second set composite persistently moves forward, carry out the glue spraying operation of upper adhesive-layer, the composite surface utilizing the multiple second nozzle being set up in parallel along the width of upper integument upwards integuments of the second glue-spraying device carries out circumnutation glue spraying, thus forms the upper adhesive-layer with many groups of the first viscose glue bodies in snail banding；
6th step, product cut operation；
7th step, product rolling.
Above-mentioned diaper absorptive core and processing technology thereof and spray-bonding craft, upper adhesive-layer uses snail banding glue spraying mode, compared with the mode of full spray, have the advantages that one, reduce glue spraying area, save viscose glue consumption, in the case of equal viscose glue amount, use the manner glue spraying can bond more products, saved production cost；Two, upper adhesive-layer is sprayed evenly, and urine evenly can infiltrate into absorbent core layer, penetrates into absorbent core layer again, thus reduce diffusion and the infiltration rate of absorbent core layer after being unlikely to focus on certain；Three, reducing and be pointed to the blocking of upper strata hydroscopic high-molecular resin of absorbent core layer upper surface, increase upper strata hydroscopic high-molecular resin and the infiltration rate of loft non-woven cloth and diffusion, product is dry-ness to be guaranteed.Have employed non-woven fabrics as wrapper material, greatly reduce core thickness, the comfortableness of improving product.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of diaper absorptive core one embodiment of the present invention.
Fig. 2 is the structural representation of the upper adhesive-layer in diaper absorptive core one embodiment of the present invention.
Fig. 3 is the production process charts of diaper absorptive core of the present invention.
Fig. 4 is the structural representation of diaper one embodiment of the present invention.
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 clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, the diaper absorptive core of the present invention includes integument 80, absorbent core layer 82, adhesive-layer and lower integument 86, by many groups, in snail banding, (this snail banding refers to similar spiral-shaped two-dimensional shapes to described adhesive-layer, the generation type of this shape is as follows: make diaper absorptive core treats that adhesive-layer persistently moves forward to the direction of glue spraying instrument, control the nozzle circumnutation glue spraying of glue-spraying device simultaneously, and then to make the viscose glue body being ejected be that plane is circled round banding) viscose glue body composition, the described many groups of viscose glue bodies in snail banding are spaced apart along the width of described absorbent core layer 82, the length of each group of viscose glue body in snail banding matches with the length of described absorbent core layer 82.
nullSpecifically，Described adhesive-layer includes adhesive-layer 841 and lower adhesive-layer 842，Described lower integument 86、Lower adhesive-layer 842、Absorbent core layer 82、Upper adhesive-layer 841 and upper integument 80 set gradually from the bottom to top，Described lower adhesive-layer 842 is bonding with the lower surface of described absorbent core layer 82 for the upper surface making lower integument 86，Described upper adhesive-layer 841 is bonding with the upper surface of described absorbent core layer 82 for the lower surface making integument 80，Described upper adhesive-layer 841 is made up of many groups of the first viscose glue bodies 8411 in snail banding，Described many groups of the first viscose glue bodies 8411 in snail banding are spaced along the width of described absorbent core layer 82 and are arranged in the upper surface of absorbent core layer 82，The length of each group of the first viscose glue body 8411 in snail banding matches with the length of described absorbent core layer 82.
Described upper adhesive-layer 841 is sprayed viscose glue body by multiple first jet along absorptive core width laid out in parallel to the upper surface of absorbent core layer 82 and is formed, ultimately form above-mentioned many groups the first viscose glue body 8411 in snail banding, the spacing distance between the most adjacent two first viscose glue bodies 8411 and the spacing distance between the most adjacent corresponding two first jet to match.
In the present embodiment, described lower adhesive-layer 842 is made up of many groups of the second viscose glue bodies (not shown) in snail banding, described many groups of the second viscose glue bodies in snail banding are spaced along the width of described lower integument 86 and are arranged in the upper surface of lower integument 86, and the length of each group of the second viscose glue body in snail banding matches with the length of described absorbent core layer 82.More than 842 upper surfaces along the downward integument of second nozzle 86 of lower integument 86 width laid out in parallel of described lower adhesive-layer spray viscose glue body and are formed, ultimately form above-mentioned many groups the second viscose glue body in snail banding, the spacing distance between the most adjacent two second viscose glue bodies and the spacing distance between the most adjacent corresponding two second nozzles to match.
In the present embodiment, described absorbent core layer 82 includes loft non-woven cloth, the upper strata hydroscopic high-molecular resin being positioned at loft non-woven cloth upper surface and is positioned at lower floor's hydroscopic high-molecular resin of loft non-woven cloth lower surface.The upper strata hydroscopic high-molecular resin being positioned at loft non-woven cloth upper surface accounts for upper strata hydroscopic high-molecular resin and the 40%～50% of lower floor's hydroscopic high-molecular resin summation.Ratio shared by the hydroscopic high-molecular resin of upper strata is slightly less than the ratio shared by lower floor's hydroscopic high-molecular resin, its main purpose is in the upper strata hydroscopic high-molecular resin of loft non-woven cloth upper surface and primarily serves the function that logical fluidity is strong, diffusibility is high, the lower floor's hydroscopic high-molecular resin being positioned at loft non-woven cloth lower surface primarily serves the function that water absorption is high, water holding capacity is strong, and therefore lower floor's hydroscopic high-molecular resin proportion is higher.
In order to make diaper absorptive core more frivolous, in the present embodiment, described upper integument 80 is first to imitate bonded non-woven fabrics, and described lower integument 86 is second to imitate bonded non-woven fabrics.So, it is possible to reduce the thickness of diaper absorptive core, promote flexibility and the absorbability of absorptive core.Intelligible, in other examples, described upper integument 80 and/or lower integument 86 any one of also can directly use such as dust-free paper etc. existing can be as upper integument 80, the material of lower integument 86.
The diaper absorptive core of the present invention, upper adhesive-layer 841 uses snail banding glue spraying mode, compared with the mode of full spray, have the advantages that one, reduce glue spraying area, save viscose glue consumption, in the case of equal viscose glue amount, use the manner glue spraying can bond more products, saved production cost；Two, upper adhesive-layer 841 is sprayed evenly, and urine can evenly infiltrate into absorbent core layer 82, penetrates into absorbent core layer 82 again, thus reduce diffusion and the infiltration rate of absorbent core layer 82 after being unlikely to focus on certain；Three, reducing and be pointed to the blocking of upper strata hydroscopic high-molecular resin of absorbent core layer 82 upper surface, increase upper strata hydroscopic high-molecular resin and the infiltration rate of loft non-woven cloth and diffusion, product is dry-ness to be guaranteed.Have employed non-woven fabrics as wrapper material, greatly reduce core thickness, the comfortableness of improving product.
The invention also discloses the spray-bonding craft of a kind of diaper absorptive core, for utilizing the glue surface to be painted of the glue-spraying device glue-line to be painted to diaper absorptive core to carry out glue spraying, it is characterized in that: utilize conveyer device to make glue-line to be painted persistently move forward to glue-spraying device direction, and the multiple nozzles being set up in parallel along glue-line width to be painted controlling glue-spraying device during persistently moving forward carry out circumnutation glue spraying to the glue surface to be painted of glue-line to be painted, thus form the adhesive-layer with the many groups of viscose glue bodies in snail banding.
As one the most preferred embodiment, the circumnutation face of described nozzle is parallel with the glue surface to be painted of glue-line to be painted.Intelligible, in certain embodiments, the circumnutation face of described nozzle can also close to parallel, or be certain angle with glue surface to be painted with described glue surface to be painted, as long as the circumnutation glue spraying of described nozzle can make each group of viscose glue body be snail banding.
In the present embodiment, the glue-line to be painted of described diaper absorptive core includes lower integument, the upper surface that glue surface to be painted is lower integument of described lower integument；Described glue-spraying device includes the first glue-spraying device；Conveyer device is utilized to make lower integument persistently move forward to the direction of the first glue-spraying device, and the upper surface controlling the downward integument of first jet that under multiple edges of the first glue-spraying device, the width of integument is set up in parallel during persistently moving forward carries out circumnutation glue spraying, thus forms the lower adhesive-layer with many groups of the second viscose glue bodies in snail banding.
The glue-line to be painted of described diaper absorptive core also includes integument, the composite surface that glue surface to be painted is upper integument of described upper integument, described glue-spraying device also includes the second glue-spraying device, conveyer device is utilized to make integument during the direction of corresponding set composite is persistently moved, the composite surface making the multiple second nozzle being set up in parallel along the width of upper integument upwards integuments of the second glue-spraying device carries out circumnutation glue spraying, thus forms the upper adhesive-layer with many groups of the first viscose glue bodies in snail banding.
Intelligible, in other examples, described in treat that adhesive-layer is also possible to be not limited only to above-mentioned upper integument and/or lower integument, such as treat that adhesive-layer can be absorbent core layer, guide layer etc..
Embodiment of the present invention, only need to change spray-bonding craft in the processing technology of diaper, increase the nozzle quantity of glue-spraying device, nozzle is made to be set up in parallel along the width of glue-line to be painted, and while making glue-line to be painted persistently move forward, making the plurality of nozzle is the structure that circumnutation mode glue spraying can change the adhesive-layer of diaper, and this change amount is the least, it is only necessary to change the type of drive of nozzle.This improvement reduces glue spraying area, saves viscose glue consumption, in the case of equal viscose glue amount, uses the manner glue spraying can bond more products, has saved production cost；Allow urine to evenly infiltrate into absorbent core layer, penetrate into absorbent core layer after being unlikely to focus on certain again, thus reduce diffusion and the infiltration rate of absorbent core layer；Three, reducing and be pointed to the blocking of upper strata hydroscopic high-molecular resin of absorbent core layer upper surface, increase upper strata hydroscopic high-molecular resin and the infiltration rate of loft non-woven cloth and diffusion, product is dry-ness to be guaranteed.Have employed non-woven fabrics as wrapper material, greatly reduce core thickness, the comfortableness of improving product.
Refer to the production process charts that Fig. 3, Fig. 3 are the diaper absorptive cores of the present invention.In the present embodiment, the manufacturing procedure of diaper absorptive core comprises the following steps:
The first step, lower integument 86 uncoiling conveying operation, utilizes conveyer device to make lower integument persistently move forward to the direction of the first glue-spraying device after lower integument finished product is involved in row uncoiling；
In this operation, being installed on by integument under finished product 86 on first installation axle, under being driven by conveyer device, the free end of integument 86 the first glue-spraying device 31 forwards moves.
Second step, lower adhesive-layer 842 glue spraying operation；
During making lower integument 86 persistently move forward, the upper surface utilizing multiple downward integuments of first jet being set up in parallel along the width of lower integument 86 of the first glue-spraying device 31 carries out circumnutation glue spraying, thus forms the lower adhesive-layer 842 with many groups of the second viscose glue bodies in snail banding；Wherein, the plurality of first jet is set up in parallel along the width of lower integument 86, described first jet is towards the upper surface of lower integument 86, instantly when integument 86 is moved at this, the plurality of first jet is with circumnutation mode glue spraying, so that lower adhesive-layer 842 is in many group snail bandings；In the present embodiment, the width range 10mm-20mm of spiral shape viscose glue body.
3rd step, loft non-woven cloth compound working procedure；
Utilize the first set composite that loft non-woven cloth is compound in the upper surface of lower integument, conveyer device is utilized to make loft non-woven cloth 32 persistently move to the direction of the first set composite 33, by this first set composite 33, loft non-woven cloth 32 is compound on lower integument 86, thus form the first composite bed, in this lasting moving process, carry out lower floor's hydroscopic high-molecular resin spray operation, so that lower floor's hydroscopic high-molecular resin is sprayed on the lower surface of loft non-woven cloth 32；
In this step, on the second installation axle of the anterior position that finished product loft non-woven yardage roll 32 is mounted on the first glue-spraying device 31, finished product loft non-woven yardage roll 32 can be installed axle around second and rotate；By conveyer device by the free end of finished product loft non-woven yardage roll 32 at the first set composite 33 being positioned at the first glue-spraying device 31 front, carry out lower floor hydroscopic high-molecular resin in this process and spray operation, even if lower floor's hydroscopic high-molecular resin sprays the nozzle of instrument 34 composite surface towards loft non-woven cloth and sprays lower floor's hydroscopic high-molecular resin.
Simultaneously, conveyer device continues to drive the lower integument 86 being sprayed with lower adhesive-layer 842 to move forward at the first set composite 33, the upper surface of lower integument 86 is made to be combined with the composite surface of loft non-woven cloth, after Fu He, the composite surface of loft non-woven cloth is lower surface, utilizes the viscosity of lower adhesive-layer 842 before this can make upper surface and loft non-woven cloth and lower floor's hydroscopic high-molecular resin bonding of lower integument 86.In the present embodiment, loft non-woven cloth is combined, grammes per square metre scope 20-60g/ square metre.
4th step, sprinkling upper strata hydroscopic high-molecular resin operation；
The direction utilizing conveyer device to make the first composite bed upwards layer hydroscopic high-molecular resin spray instrument 35 persistently moves forward, during making the first composite bed persistently move forward, the upper surface utilizing upper strata hydroscopic high-molecular resin to spray the instrument 35 loft non-woven cloth on the first composite bed sprays upper strata hydroscopic high-molecular resin；
In this operation, the first composite bed is driven persistently to move forward, it is transported to upper strata hydroscopic high-molecular resin spray at instrument 35, thus carries out upper strata hydroscopic high-molecular resin and spray operation, so that upper strata hydroscopic high-molecular resin is sprayed on the upper surface of loft non-woven cloth.
5th step, upper integument 80 compound working procedure；
The second set composite 36 is utilized to be compound on the first composite bed by upper integument, conveyer device is utilized to make the first composite bed and upper integument 80 persistently move forward to the direction of the second set composite 36, by this second set composite 36, upper integument 80 is compound in the upper of the first composite bed, thus forming the second composite bed, lower floor's hydroscopic high-molecular resin, loft non-woven cloth and upper strata hydroscopic high-molecular resin in this second composite bed constitute above-mentioned absorbent core layer；Make on described integument 80 during the direction of the second set composite 36 persistently moves forward, carry out the glue spraying operation of upper adhesive-layer, the composite surface utilizing multiple second nozzles being set up in parallel along the width of upper integument upwards integument 80 of the second glue-spraying device 37 carries out circumnutation glue spraying, thus forms the upper adhesive-layer 841 with many groups of the first viscose glue bodies in snail banding；
nullIn this step，Upper integument 80 finished product volume is mounted on upper strata hydroscopic high-molecular resin spray on the 3rd installation axle in instrument 35 front，Upper integument 80 finished product volume can be installed axle around the 3rd and rotate，The free end rolled up by upper integument 80 finished product by conveyer device is at the second set composite 36 being positioned at the front that upper strata hydroscopic high-molecular resin sprays instrument 35，Integument 80 is made to be compound on the first composite bed，To form the second composite bed，Adhesive-layer glue spraying operation on carrying out in course of conveying before compound，The second glue-spraying device 37 is i.e. utilized to carry out glue spraying work，Described second glue-spraying device 37 has multiple second nozzles arranged side by side，The plurality of second nozzle is set up in parallel along the width of upper integument 80 or absorptive core，Second nozzle is towards the composite surface (lower surface) of upper integument 80，When at upper integument 80 moves to this，The plurality of second nozzle is that the composite surface of snail ribbon-like manner upwards integument 80 sprays upper strata viscose glue，So that upper adhesive-layer 841 is in many group snail bandings；In the present embodiment, glue spraying width range 10mm-20mm.
6th step, product cut operation, in the present embodiment, cut the parent roll that fabric width is 1m into core body wide for 95mm.；
7th step, product rolling.
Refer to the structural representation that Fig. 4, Fig. 4 are diaper one embodiments of the present invention.The present embodiment includes diaper main body 100, longitudinally it is located at the catch 200 of diaper main body 100 both sides respectively, described diaper main body 100 includes the water penetration top layer 110 set gradually from top to bottom, absorptive core 120 and impermeability bottom 130, described absorptive core 120 includes integument, absorbent core layer, adhesive-layer and lower integument, described adhesive-layer is made up of the many groups of viscose glue bodies in snail banding, the described many groups of viscose glue bodies in snail banding are spaced apart along the width of described absorbent core layer, the length of each group of viscose glue body in snail banding matches with the length of described absorbent core layer.Described adhesive-layer includes adhesive-layer and lower adhesive-layer, described lower integument, lower adhesive-layer, absorbent core layer, upper adhesive-layer and upper integument set gradually from the bottom to top, described lower adhesive-layer is bonding with the lower surface of described absorbent core layer for the upper surface making lower integument, described upper adhesive-layer is bonding with the upper surface of described absorbent core layer for the lower surface making integument, described upper adhesive-layer is made up of many groups of the first viscose glue bodies in snail banding, described many groups of the first viscose glue bodies in snail banding are spaced along the width of described absorbent core layer and are arranged in the upper surface of absorbent core layer, the each group of length of the first viscose glue body in snail banding matches with the length of described absorbent core layer.Structure or the function of described absorptive core 120 are same or similar with the structure of above-mentioned diaper absorptive core or function, repeat the most one by one.
In the present embodiment, described diaper main body 100 includes water absorption top layer 110, absorptive core 120 and the impermeability bottom 130 set gradually from top to bottom, each catch 200 all includes a junction 210 and a catch body 220, the inner end of described connecting portion 210 is between absorptive core 120 and impermeability bottom 130, outer end is connected with the lower end of catch body 220, and the upper end of described catch body 220 upwardly extends.Specifically:
Described catch body 220 includes that endosexine 221 and extexine 222, the lower end of described endosexine 221 are connected with the outer end of described connecting portion 210, and upper end upwardly extends, and described extexine 222 is overlapping with described endosexine 221；Described diaper main body 100 also includes an overlapping portion 230 overlapping with described impermeability bottom 130, and one end of described overlapping portion 230 is connected with the lower end of described extexine 222, and the other end is covered on impermeability bottom 130.
In the present embodiment, each catch 200 and overlapping portion 230 are by a non-woven fabrics folding forming, and described in the most described catch 200, connecting portion 210, catch body 220 and overlapping portion 230 are by non-woven fabrics folding forming.Wherein: one end of non-woven fabrics is located between absorptive core 120 and impermeability bottom 130 to form described connecting portion 210, the other end extends upwardly and outwardly to be formed the endosexine 221 of described catch body 220, the other end continues outwardly and downwardly bending tailing edge endosexine 221 and downwardly extends and overlapping with endosexine 221 to form described extexine 222, and the other end the most outwards bends the direction of tailing edge impermeability bottom 130 and is covered on impermeability bottom 130 to form described overlapping portion 230.In this programme, one end of non-woven fabrics is adhered to lower surface and the upper surface of impermeability bottom 130 of absorptive core 120 by fixing glue, the other end continues bending to be covered on impermeability bottom 130 after forming catch body 220, the inner end making VELCRO is directly located between overlapping portion 230 and impermeability bottom 130, facilitate the fixing of VELCRO, and its technique is the simplest.It should be understood that in other examples, the set-up mode of catch 200 can also make different conversion, is not limited to the mode of above-mentioned folding.The most in certain embodiments, catch 200 directly uses multi-layer nonwoven fabrics compacting to form, and it can only include connecting portion 210 and catch body 220, and connecting portion 210 is fixed between absorptive core 120 and impermeability bottom 130.It should be understood that in other examples, described connecting portion 210 and catch body 220 can be with folding formings, and overlapping portion 230 can individually be affixed on the impermeability bottom 130 of catch body 220 both sides.
In the present embodiment, described catch body 220 (is not switched on state) when diaper is folded state, and catch body 220 is affixed on water absorption top layer 110, and i.e. two catch bodies 220 are affixed on water absorption top layer 110 to relative direction；Diaper in opened condition time, catch body 220 is i.e. in the state upwards erected in Fig. 1.
In order to increase the longitudinal elasticity of absorptive core 120, it is also respectively provided with core elastic properties muscle 121 in the both sides of absorptive core, makes absorptive core 120 have longitudinal elasticity so that absorptive core 120 is more servo-actuated.
In the present embodiment, after described water absorption top layer 110 is covered on the upper surface of absorptive core 120, its two side ends extends along the lower surface of two lateral absorptive cores 120 of absorptive core 120 respectively, so that the two side ends on described water absorption top layer 110 is all located at the lower surface of absorptive core 120, between absorptive core 120 and impermeability bottom 130.
In the present embodiment, in order to accelerate the water absorption rate of absorptive core 120, between described absorptive core 120 and described water absorption top layer 110, it is provided with guide layer 140.Described guide layer 140 can use nonwoven cloth material.
In the present embodiment, in order to increase the pliability on water absorption top layer 110 so that it is more pro-skin, the upper surface on water absorption top layer 110 is also pressed and is provided with a loft layer 150, and described loft layer 150 can use non-woven fabrics to be made by fluffy processes.
The diaper of the present invention, owing to its upper adhesive-layer and lower adhesive-layer all use snail banding glue spraying mode, compared with the mode of full spray, have the advantages that one, reduce glue spraying area, save viscose glue consumption, in the case of equal viscose glue amount, use the manner glue spraying can bond more products, saved production cost；Two, upper adhesive-layer is sprayed evenly, and urine evenly can infiltrate into absorbent core layer, penetrates into absorbent core layer again, thus reduce diffusion and the infiltration rate of absorbent core layer after being unlikely to focus on certain；Three, reducing and be pointed to the blocking of upper strata hydroscopic high-molecular resin of absorbent core layer upper surface, increase upper strata hydroscopic high-molecular resin and the infiltration rate of loft non-woven cloth and diffusion, product is dry-ness to be guaranteed.Have employed non-woven fabrics as wrapper material, greatly reduce core thickness, the comfortableness of improving product.To sum up, the diaper of the present invention compares existing diaper skin more frivolous, soft, light, its diffusibility and infiltration rate are more preferably, and then ensure the dry-ness of product, prevent the child that is that cause because of dry-ness not good enough from easily playing the skin problem such as erythema, eczema further, bring the better impression of user and experience.
These are only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (12)
1. a diaper absorptive core, including upper integument, absorbent core layer, adhesive-layer and lower integument, it is characterized in that: described adhesive-layer is made up of the many groups of viscose glue bodies in snail banding, the described many groups of viscose glue bodies in snail banding are spaced apart along the width of described absorbent core layer, and the length of each group of viscose glue body in snail banding matches with the length of described absorbent core layer.
2. diaper absorptive core as claimed in claim 1, it is characterized in that: described adhesive-layer includes adhesive-layer and lower adhesive-layer, described lower integument, lower adhesive-layer, absorbent core layer, upper adhesive-layer and upper integument set gradually from the bottom to top, described lower adhesive-layer is bonding with the lower surface of described absorbent core layer for the upper surface making lower integument, described upper adhesive-layer is bonding with the upper surface of described absorbent core layer for the lower surface making integument, it is characterized in that: described upper adhesive-layer is made up of many groups of the first viscose glue bodies in snail banding, described many groups of the first viscose glue bodies in snail banding are spaced along the width of described absorbent core layer and are arranged in the upper surface of absorbent core layer, the each group of length of the first viscose glue body in snail banding matches with the length of described absorbent core layer.
3. diaper absorptive core as claimed in claim 2, it is characterized in that: described lower adhesive-layer is made up of many groups of the second viscose glue bodies in snail banding, described many groups of the second viscose glue bodies in snail banding are spaced along the width of described lower integument and are arranged in the upper surface of lower integument, and each group of length of the second viscose glue body in snail banding matches with the length of described absorbent core layer.
4. diaper absorptive core as claimed in claim 1, it is characterised in that: described absorbent core layer includes loft non-woven cloth, the upper strata hydroscopic high-molecular resin being positioned at loft non-woven cloth upper surface and is positioned at lower floor's hydroscopic high-molecular resin of loft non-woven cloth lower surface.
5. diaper absorptive core as claimed in claim 4, it is characterised in that: described upper strata hydroscopic high-molecular resin accounts for upper strata hydroscopic high-molecular resin and the 40%～50% of lower floor's hydroscopic high-molecular resin weight summation.
6. the diaper absorptive core as described in claim any one of claim 1 to 5, it is characterised in that: described upper integument is first to imitate bonded non-woven fabrics.
7. the diaper absorptive core as described in claim any one of claim 1 to 5, it is characterised in that: described lower integument is second to imitate bonded non-woven fabrics.
8. the spray-bonding craft of a diaper absorptive core, for utilizing the glue surface to be painted of the glue-spraying device glue-line to be painted to diaper absorptive core to carry out glue spraying, it is characterized in that: utilize conveyer device to make glue-line to be painted persistently move forward to glue-spraying device direction, and the multiple nozzles being set up in parallel along glue-line width to be painted controlling glue-spraying device during persistently moving forward carry out circumnutation glue spraying to the glue surface to be painted of glue-line to be painted, thus form the adhesive-layer with the many groups of viscose glue bodies in snail banding.
9. the spray-bonding craft of diaper absorptive core as claimed in claim 8, it is characterised in that: the circumnutation face of described nozzle is parallel with the glue surface to be painted of glue-line to be painted.
10. the spray-bonding craft of diaper absorptive core as claimed in claim 8, it is characterised in that: the glue-line to be painted of described diaper absorptive core includes lower integument, the upper surface that glue surface to be painted is lower integument of described lower integument；Described glue-spraying device includes the first glue-spraying device；Conveyer device is utilized to make lower integument persistently move forward to the direction of the first glue-spraying device, and the upper surface controlling the downward integument of first jet that under multiple edges of the first glue-spraying device, the width of integument is set up in parallel during persistently moving forward carries out circumnutation glue spraying, thus forms the lower adhesive-layer with many groups of the second viscose glue bodies in snail banding.
The spray-bonding craft of 11. diaper absorptive cores as claimed in claim 10, it is characterized in that: the glue-line to be painted of described diaper absorptive core also includes integument, the composite surface that glue surface to be painted is upper integument of described upper integument, described glue-spraying device also includes the second glue-spraying device, conveyer device is utilized to make integument during the direction of corresponding set composite is persistently moved, the composite surface making the multiple second nozzle being set up in parallel along the width of upper integument upwards integuments of the second glue-spraying device carries out circumnutation glue spraying, thus form the upper adhesive-layer with many groups of the first viscose glue bodies in snail banding.
The processing technology of 12. 1 kinds of diaper absorptive cores, it is characterised in that include following operation:
The first step, lower integument uncoiling conveying operation, utilizes conveyer device to make lower integument persistently move forward to the direction of the first glue-spraying device after lower integument finished product is involved in row uncoiling；
Second step, lower adhesive-layer glue spraying operation, during making lower integument persistently move forward, the upper surface utilizing multiple downward integuments of first jet being set up in parallel along the width of lower integument of the first glue-spraying device carries out circumnutation glue spraying, thus forms the lower adhesive-layer with many groups of the second viscose glue bodies in snail banding；
3rd step, loft non-woven cloth compound working procedure, utilize the first set composite that loft non-woven cloth is compound in the upper surface of lower integument, conveyer device is utilized to make loft non-woven cloth persistently move to the direction of the first set composite, by this first set composite, loft non-woven cloth is compound on lower integument, thus form the first composite bed, in this lasting moving process, carry out lower floor's hydroscopic high-molecular resin spray operation, so that lower floor's hydroscopic high-molecular resin is sprayed on the lower surface of loft non-woven cloth；
4th step, sprinkling upper strata hydroscopic high-molecular resin operation, the direction utilizing conveyer device to make the first composite bed upwards layer hydroscopic high-molecular resin spray instrument persistently moves forward, during making the first composite bed persistently move forward, the upper surface utilizing upper strata hydroscopic high-molecular resin to spray instrument loft non-woven cloth on the first composite bed sprays upper strata hydroscopic high-molecular resin；
5th step, upper integument compound working procedure, the second set composite is utilized to be compound on the first composite bed by upper integument, conveyer device is utilized to make the first composite bed and upper integument persistently move forward to the direction of the second set composite, by this second set composite, upper integument is compound in the upper of the first composite bed, thus forming the second composite bed, lower floor's hydroscopic high-molecular resin, loft non-woven cloth and upper strata hydroscopic high-molecular resin in this second composite bed constitute the absorbent core layer as described in claim 4 or 5；Make on described integument during the direction of the second set composite persistently moves forward, carry out the glue spraying operation of upper adhesive-layer, the composite surface utilizing the multiple second nozzle being set up in parallel along the width of upper integument upwards integuments of the second glue-spraying device carries out circumnutation glue spraying, thus forms the upper adhesive-layer with many groups of the first viscose glue bodies in snail banding；
6th step, product cut operation；
7th step, product rolling.
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| CN107174407A (en) * | 2017-05-09 | 2017-09-19 | 泉州市汉威机械制造有限公司 | A kind of cotton core moulding process |
| CN107638250A (en) * | 2017-09-13 | 2018-01-30 | 杭州豪悦实业有限公司 | A kind of Novel lady's nursing trousers |
| CN110215349A (en) * | 2019-06-06 | 2019-09-10 | 杭州贝高母婴用品有限公司 | A kind of compound core body and the paper diaper using the compound core body, production technology |
| CN110755208A (en) * | 2019-10-28 | 2020-02-07 | 北京爸爸的选择科技有限公司 | Universal flow guide absorption core and preparation method thereof |
| CN115414184A (en) * | 2022-08-30 | 2022-12-02 | 美佳爽（中国）有限公司 | Preparation method of quick-suction dry and comfortable absorption core |
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| CN107174407A (en) * | 2017-05-09 | 2017-09-19 | 泉州市汉威机械制造有限公司 | A kind of cotton core moulding process |
| CN107638250A (en) * | 2017-09-13 | 2018-01-30 | 杭州豪悦实业有限公司 | A kind of Novel lady's nursing trousers |
| CN110215349A (en) * | 2019-06-06 | 2019-09-10 | 杭州贝高母婴用品有限公司 | A kind of compound core body and the paper diaper using the compound core body, production technology |
| CN110215349B (en) * | 2019-06-06 | 2022-03-01 | 杭州贝高母婴用品有限公司 | Composite core, paper diaper using composite core and production process |
| CN110755208A (en) * | 2019-10-28 | 2020-02-07 | 北京爸爸的选择科技有限公司 | Universal flow guide absorption core and preparation method thereof |
| CN115414184A (en) * | 2022-08-30 | 2022-12-02 | 美佳爽（中国）有限公司 | Preparation method of quick-suction dry and comfortable absorption core |
| CN115414184B (en) * | 2022-08-30 | 2024-04-12 | 美佳爽（中国）有限公司 | Preparation method of quick-drying absorbent core |
| CN115590686A (en) * | 2022-11-04 | 2023-01-13 | 美佳爽（中国）有限公司（Cn） | Quick-suction dry and comfortable absorption core production line |
| CN115590686B (en) * | 2022-11-04 | 2024-04-12 | 美佳爽（中国）有限公司 | Quick-drying absorbent core production line |
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