CN103948470B - Absorbent article absorptive core and forming cladding device thereof - Google Patents
Absorbent article absorptive core and forming cladding device thereof Download PDFInfo
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- CN103948470B CN103948470B CN201410176574.4A CN201410176574A CN103948470B CN 103948470 B CN103948470 B CN 103948470B CN 201410176574 A CN201410176574 A CN 201410176574A CN 103948470 B CN103948470 B CN 103948470B
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- absorptive core
- unit
- core
- elastomeric material
- absorbent
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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
- A61F13/531—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 having a homogeneous composition through the thickness of the pad
- A61F13/532—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 having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
- A61F13/533—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 having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having discontinuous areas of compression
-
- 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
- A61F13/534—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 having an inhomogeneous composition through the thickness of the pad
- A61F13/53409—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 having an inhomogeneous composition through the thickness of the pad having a folded core
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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
- A61F13/534—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 having an inhomogeneous composition through the thickness of the pad
- A61F13/535—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 having an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes
- A61F13/536—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 having an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes having discontinuous areas of compression
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The present invention relates to absorbent article and automated production equipment manufacture field, disclose a kind of absorbent article absorptive core, comprise clad upper strata, absorbent core layer, clad lower floor, described absorbent core layer is arranged between described clad upper strata and clad lower floor, be respectively equipped with elastomeric material at the dual-side of described absorptive core, the groove of genesis analysis is set near the position of side in described absorbent core layer both sides.The present invention opens the forming cladding device disclosing and manufacture above-mentioned absorptive core.The architectural feature of absorptive core of the present invention prevents liquid to absorb diffusion to both sides, and impel liquid longitudinally rectangular groove direction diffusion along both sides, reduce the risk of absorbent article left and right sides side leakage, when wearing use, absorptive core is under the effect of leg grip force, automatically bend inwards, prevent absorptive core from gathering accumulation at leg, improve wearing comfort.
Description
Technical field
The present invention relates to absorbent article and automated production equipment manufacture field, particularly a kind of absorbent article absorptive core and forming cladding device thereof.
Background technology
The absorbent article such as sanitary towel, diaper generally forms by contacting the layer of structure such as the liquid-tight bottom that uses and the absorptive core layer between liquid permeability top layer and liquid-tight bottom primarily of the liquid permeability top layer used with contact skin, non-skin.Wherein absorptive core layer mainly has the function of absorption, storage, pinning body fluid, is the key structure level weighing absorbent article absorbent properties quality.
The absorptive core of existing absorbent article mostly adopt hygroscopicity fibre and high exhaustion blended after, be adsorbed on absorptive core shaping mould and carry out molding, it mainly contains the design forms such as vertical bar shaped, dumb-bell shape, hourglass shape.The absorptive core of vertical bar shaped, the absorbing liquid scale of construction is larger, but due to volumetric expansion several times can be made after super absorbent resin water suction, and front and back width is consistent with crotch width, therefore, between the user operating period, the irregular stacking of a large amount of dilatant can be produced in crotch, to user sense of discomfort, infant is caused to produce the potential hazard of Splayleg.The method such as dumb-bell shape, hourglass shape, makes the crotch width of core body reduce, and to adapt to the physiological feature of human body across portion, but just reduces the absorbtivity of crotch to liquid while reduction crotch width, makes crotch that the risk of side leakage easily occur.
Chinese patent " absorptive core on absorbing products " (patent No. 201120359260X), disclose a kind of absorptive core containing longitudinal rectangular groove, groove has certain length in the plane of absorptive core, and groove has certain degree of depth on the vertical of absorber, and point out that the groove of strip effectively facilitates the longitudinal direction transmission of liquid, improve the utilization rate of High hydrophilous resin in the core body of front and back, the groove being simultaneously positioned at both sides makes product in use, be subject to the extruding across portion, rule is bent into dumb-bell shape, absorptive core crotch is made more to meet the physiological feature of human body across portion, use more comfortable.But, absorptive core groove both sides partially absorb liquid after, easily occur tenesmus, when particularly liquid absorption is large, what tenesmus caused serious wears sense of discomfort; In addition, wearing resource-user cost method frequently in situation, also very easily there is side leakage.
Summary of the invention
The object of the invention is, in order to solve the problems of the technologies described above, to provide absorbent article absorptive core and forming cladding device thereof, by changing the structure of core layer, realize the better liquid storage of core layer, improve the wearing comfort degree of user.
The technical scheme that the present invention takes is:
A kind of absorbent article absorptive core, comprise clad upper strata, absorbent core layer, clad lower floor, described absorbent core layer is arranged between described clad upper strata and clad lower floor, elastomeric material is respectively equipped with at the dual-side of described absorptive core, it is characterized in that, the groove of genesis analysis is set near the position of side in described absorbent core layer both sides.
Further, described groove runs through whole absorbent core layer.
Further, the groove of described absorbent core layer both sides is symmetrical arranged.
Further, the elongated or crescent of described groove.
Further, the clad bullet of described absorptive core dual-side pulls into and erects buckle condition by described bullet material.
Further, described clad upper strata and clad lower floor are rolled over by the material doubling of monoblock liquid permeability or C, and its doubling opening part that is outer or C folding is positioned at described clad topside position.
Further, the material of described clad upper strata and clad lower floor is liquid permeability toilet paper or non-woven fabrics.
Further, described elastomeric material is the elastomer yarn of natural rubber or synthetic, elastic adhesive tape or elastic film.
Further, above described clad upper strata, liquid permeability core outer layers is covered.
A kind of forming cladding device for above-mentioned absorbent article absorptive core, it is characterized in that, comprise elastomeric material applying unit, coating layer material supply unit, the fine shaped device of absorbent cores volume, vacuum tank transporter, belt presser unit, absorptive core packing unit, backer roll unit, described coating layer material supply unit is used for coating layer material being delivered to the fine shaped device of described absorbent cores volume, described elastomeric material applying unit for applying elastomeric material on described coating layer material, the absorbent core layer of stripping forming is bonded on coating layer material and forms core body by the fine shaped device of described absorbent cores volume, described vacuum tank transporter, belt presser unit carries out packing by being sent to described absorptive core packing unit after described absorptive core preliminary consolidation, through described backer roll unit, further compacting is carried out to described absorptive core again, the fine shaped device of described absorbent cores volume comprises long-pending fine chamber, wood pulp cellulose fiber input block and high water-absorption particle input block rouse with long-pending fibre, described wood pulp cellulose fiber input block and polymeric absorbent resin particle input block are arranged on the end in described long-pending fine chamber, pattern is arranged to by described long-pending fibre drum, negative pressure-pumping unit is formed between described shaping mould and long-pending fine drum, described shaping mould arranges pressure zone unit, described shaping mould comprises core body die cavity, below described core body die cavity, screen cloth is set, the length direction of described screen cloth arranges two side projections near the edge of described screen cloth rectangular, projection rectangular upper end in two, described side is higher than the top of described core body die cavity.
Further, described elastomeric material applying unit is arranged on the front of the fine shaped device of described absorbent cores volume, before described clad material bonding absorbent core layer, apply elastomeric material on described clad material.
Further, described elastomeric material applying unit is arranged on the front of described absorptive core packing unit, in the front of described absorptive core packing unit, upper layer of material delivery unit is also set, the upper layer of material that described elastomeric material applying unit exports at described upper layer of material delivery unit applies elastomeric material, also arrange upper layer of material elastomeric material complex packing unit in the front of described elastomeric material applying unit and upper layer of material delivery unit, described upper layer of material elastomeric material complex packing unit carries out compound packing to described upper layer of material and elastomeric material.
Further, the length direction in the centre position of described screen cloth arranges intermediate projections rectangular.
Further, the rectangular width of described intermediate projections is less than the protruding rectangular width in described two sides, and the rectangular length of described intermediate projections is less than the length of described screen cloth.
Further, protruding rectangular to be symmetrical in described intermediate projections rectangular in described two sides.
The invention has the beneficial effects as follows:
(1) absorptive core has the absorbing fluid performance of vertical bar type absorptive core excellence on the one hand, the lower notches had by region, the longitudinal center left and right sides on the other hand, when liquid stream is through this region, liquid is prevented to absorb diffusion to both sides to a certain extent, and impel liquid longitudinally rectangular groove direction diffusion along both sides, reduce the risk of absorbent article left and right sides side leakage;
(2) when wearing use, absorptive core, under the effect of leg grip force, bends inwards automatically, prevents absorptive core from gathering accumulation at leg, improves wearing comfort;
(3) due to the flexible telescopic material that is adhesively fixed in the longitudinal both sides of absorptive core, utilize the elastic reaction of elastic flexible material, the absorptive core of the two side portions that absorptive core is divided into by groove becomes nature raised state.When after absorptive core absorbing fluid, absorptive core both sides, fit tightly with human body skin, form certain leakproof height, effectively avoid the generation of side leakage;
(4) absorbent core layer in absorptive core is distributed with the groove distributed in longitudinal strip, and this groove part contains on a small quantity or not containing fluff pulp fibers and polymeric absorbent resin particle, saves raw-material use to a certain extent.
Accompanying drawing explanation
Accompanying drawing 1 is schematic perspective view under absorptive core naturalness of the present invention;
Accompanying drawing 2a is the cross sectional representation of embodiment one extended state of absorptive core of the present invention;
Accompanying drawing 2b is the cross sectional representation of embodiment two extended state of absorptive core of the present invention;
Accompanying drawing 2c is the cross sectional representation that the embodiment one of absorptive core of the present invention wears using state;
Accompanying drawing 2d is the cross sectional representation that the embodiment two of absorptive core of the present invention wears using state;
Accompanying drawing 3a is the cross sectional representation of embodiment three extended state of absorptive core of the present invention;
Accompanying drawing 3b is the cross sectional representation of embodiment four extended state of absorptive core of the present invention;
Accompanying drawing 3c is the cross sectional representation that the embodiment three of absorptive core of the present invention wears using state;
Accompanying drawing 3d is the cross sectional representation that the embodiment four of absorptive core of the present invention wears using state;
Accompanying drawing 4 is the schematic flow sheet of the embodiment one of absorptive core forming cladding device of the present invention;
Accompanying drawing 5 is the schematic flow sheet of the embodiment two of absorptive core forming cladding device of the present invention;
Accompanying drawing 6 is the cotton core forming die structural representation of coating unit;
Accompanying drawing 7 is the A-A sectional view of accompanying drawing 6.
Being labeled as in accompanying drawing:
1. absorptive core; 2. absorbent core layer;
2a. absorbent core layer; 2b. absorbent core layer;
2c. absorbent core layer; 3. clad upper strata;
4. clad lower floor; 5. groove;
5a. groove; 5b. groove;
6. elastomeric material; 6a. elastomeric material;
6b. elastomeric material; 7. upper layer of material;
21. long-pending fine chambeies; 22. long-pending fine drums;
23. shaping moulds; 24. pressure zone unit;
25. polymeric absorbent resin particle bringing devices; 26. tongue component;
The fine shaped device of 27. absorbent cores volumes; 28. elastomeric material applying units;
29. coating layer material supply units; 30. vacuum tank transporters;
31. belt presser unit; 32. absorptive core packing unit;
33. backer roll unit; 34. upper layer of material elastomeric material complex packing unit;
35. upper layer of material delivery units; 41. first is protruding rectangular;
42. second is protruding rectangular; 43. the 3rd is protruding rectangular;
44. screen clothes; 45. die cavitys;
46. supporters; 101. wood pulp cellulose fiber;
102. polymeric absorbent resin particles; 103. clad.
Detailed description of the invention
Elaborate below in conjunction with the detailed description of the invention of accompanying drawing to absorbent article absorptive core of the present invention and forming cladding device thereof.
See accompanying drawing 1, disposable absorptive hygienic article absorptive core 1 comprises clad upper strata 3, absorbent core layer 2, clad lower floor 4, and absorbent core layer 2 packing is got up by clad upper strata 3 and clad lower floor 4.Clad upper strata 3 and clad lower floor 4 are liquid permeability material.The clad of the dual-side of described absorptive core 1 is respectively equipped with elastomeric material 6, the groove 5 of longitudinal strip distribution is set near the position of side in described absorbent core layer 2 both sides.The two-end part of groove 5 is inner setting in the two ends of absorbent core layer 2, and namely the length of groove 5 is less than the length of absorbent core layer 2, and groove 5 is elongated or crescent structure preferably.Absorbent core layer 2 comprises absorbent core layer and is positioned at absorbent core layer 2a outside left groove 5a, is positioned at the absorbent core layer 2b outside right groove 5b and is positioned at the absorbent core layer 2c in the middle of two grooves 5a, 5b.Wherein absorbent core layer 2a, 2b are water conservancy diversion region, absorbent core layer 2c absorbing fluid region.Elastomeric material 6 comprises the elastomeric material 6a being positioned at limit, left side and the elastomeric material 6b being positioned at right edge.In use, the absorptive core bullet of described absorptive core dual-side pulls into and erects buckle condition absorptive core 1 by elastomeric material 6.
Absorptive core embodiment one
See accompanying drawing 2a, 2c, groove 5a and groove 5b runs through the top layer of whole absorbent core layer 2 to bottom, and groove 5a and groove 5b is symmetricly set on the both sides of absorbent core layer.Clad upper strata 3 and clad lower floor 4 are overall structure, from the bottom surface upwards packing of absorbent core layer 2, form doubling at the end face of absorbent core layer 2.When absorptive core 1 is worn, the both sides absorbent core layer 2a of absorbent core layer 2 and 2b, respectively along groove 5a and groove 5b upwards bending, coordinates elastomeric material 6 to envelope the skin of user.
Absorptive core embodiment two
See accompanying drawing 2b, 2d, the present embodiment and absorptive core embodiment one main distinction are, by Overmolded absorptive core, the upper layer of material 7C being bonded with elastomeric material 6 with coating rolls over and is compounded to form, clad upper strata 3 and clad lower floor 4, also from the bottom surface upwards packing of absorbent core layer 2, except being formed except doubling at the end face of absorbent core layer 2, can also form C folding at end face, to reduce the utilization of clad, reduce costs.
Absorptive core embodiment three
See accompanying drawing 3a, 3c, groove 5a and groove 5b does not run through whole absorbent core layer 2, and between the below of groove 5 and the bottom of absorbent core layer 2, also have certain thickness absorptive core layer, other parts structure is identical with absorbent core layer embodiment one.
Absorptive core embodiment four
See accompanying drawing 3b, 3d, the difference of the present embodiment and absorptive core embodiment two is also that groove 5a and groove 5b do not run through whole absorbent core layer 2.
In above-mentioned four embodiments, according to the enlightenment of prior art, some grooves can be offered in the centre of absorbent core layer 2.Typical groove is strip, and it is positioned at the middle of absorbent core layer 2, and its length is less than the length of absorbent core layer 2.Absorptive core 1 clad upper strata 3 and lower floor 4 can select other liquid permeability flexible sheet material such as toilet paper, non-woven fabrics.Absorbent core layer 2 is optional by cellulose fibre or synthetic fibers or adhesive-bonded fabric and super absorbent resin homogeneous mixture, preferred wood pulp cellulose fiber and super absorbent resin granulate mixture.Elastomeric material 6 can select natural rubber body or synthetic elastomeric material, as elastomer yarn, adhesive tape, film-like materials, and preferred elastomeric spandex thread material.
The present invention is also provided for the forming cladding device of absorbent article absorptive core, serves for producing above-mentioned absorptive core 1.
Forming cladding device embodiment one
See accompanying drawing 4, forming cladding device is from the order of each raw material access to plant, be followed successively by and comprise elastomeric material applying unit 28, coating layer material supply unit 29, the fine shaped device 27 of absorbent cores volume, vacuum tank transporter 30, belt presser unit 31, absorptive core packing unit 32, backer roll unit 33, while elastomeric material is inputed to forming cladding device by elastomeric material applying unit 28, coating layer material is carried to forming cladding device by coating layer material supply unit 29, elastomeric material applying unit 28 applies elastomeric material 6a and 6b being coated with PUR on the coating layer material 103 of absorptive core both sides, and elastomeric material 6a and 6b is adhesively fixed on absorptive core both sides coating layer material 104 under certain conditions being stretched.
The fine shaped device 27 of absorbent cores volume is made up of long-pending fine chamber 21, long-pending fine drum 22, shaping mould 23, pressure zone unit 24 and negative pressure-pumping unit (A district, B district) and C district of demoulding district.Long-pending fine chamber 21 arranges wood pulp cellulose fiber 101 conveyer device and polymeric absorbent resin particle 102 bringing device 25, at long-pending fine intracavity, tongue component 26 is set, described tongue component 26 is divided into two parts long-pending fine chamber 21, is mainly used to regulate wood pulp cellulose fiber 101 at all levels and polymeric absorbent resin particle 102 mixed proportion content.What the absorptive core of stripping forming and upstream sent be coated with PUR coating layer material 103 is fixed bonding, send into belt presser unit 31, the located beneath transporter 30 of belt presser unit 31, the process of absorptive core thickness preliminary consolidation.Absorptive core after treatment enters absorptive core packing unit 32.Absorptive core packing unit 32 forms primarily of packing pinch roller, vacuum tank, packing parts and PUR unit.Then through packing parts, absorptive core, elastomeric material 6a and 6b are fixed packing, and by the coating on both sides PUR at coating layer material 103, carry out adhesive seal, eventually pass backer roll unit 33 and further compaction treatment is done to Overmolded absorptive core.Backer roll unit 33 up-down rollers circumferential surface selects one group through the metal smooth roll of special handling; Or top roll circumferential surface is carved with the knurled metal roller of raised and concave figures; Also or top roll circumferential surface be coated with one deck elastomer, lower roll is the metal smooth roll of special handling, and up-down rollers can be heated, and the temperature range of heating is at 50-250 DEG C.
See accompanying drawing 6,7, shaping mould 23 has a die cavity 45 placing absorptive core, screen cloth 44 is fixed with below die cavity 45, supporter 46 is used for being fixed screen cloth 44, the mesh aperture of screen cloth 44 is less, only allow wind to pass through, and do not allow the material as cellulose fibre, polymeric absorbent resin particle one class to pass through.Along on the length direction of die cavity 45, screen cloth 44 arranges the first protruding rectangular 41, first protruding rectangular 41 intermediate projections be positioned in the middle of screen cloth 44 rectangular, the length of first protruding rectangular 41 is less than die cavity 45 length.First projection rectangular 41 can arrange the central authorities of die cavity 45, its longitudinal two lateral extents to die cavity 45 are equal, the both ends of first protruding rectangular 41 are to the certain distance of the transverse ends of die cavity 25, the both sides of first protruding rectangular 41 arrange two second protruding rectangular 42 and the 3rd projection rectangular 43, second projection rectangular 42 and the 3rd projection rectangular 43 are that the side projection of the rectangular both sides of intermediate projections is rectangular, second protruding rectangular 42 and the 3rd protruding rectangular 43 be smooth open curve shape, protruding rectangular 41 parallel and be symmetrical in the first projection rectangular 41 with first.Opening dorsad the first protruding rectangular 41, first protruding rectangular 41 width is less than the width of second protruding rectangular 42 and the 3rd protruding rectangular 43, and the first protruding rectangular 41 height degree are less than the height of second protruding rectangular 42 and the 3rd protruding rectangular 43.
The work process of shaping mould 23 is: wood pulp cellulose fiber and polymeric absorbent resin particle mixture can drop on screen cloth 44 in blower negative pressure swabbing action blowing down; screen cloth 44 is connected with negative-pressure air fan simultaneously; negative-pressure air fan produces swabbing action to screen cloth 44; wood pulp cellulose fiber 101 and super absorbent resin granule 102 mixture can be effectively attached on shaping mould 23; thus fluted in the middle of being formed, there is the absorptive core of perforate groove both sides.
Forming cladding device embodiment one is for completing the production of absorptive core embodiment one, three.
Forming cladding device embodiment two
See accompanying drawing 5, the difference of the present embodiment and forming cladding device embodiment one is, comprise a upper layer of material delivery unit 35 and a upper layer of material elastomeric material complex packing unit 34, for covering upper layer of material 7 at the upper surface of absorptive core 1, and elastomeric material applying unit 28 is moved the position of upper layer of material delivery unit 35, elastomeric material 6 is applied to upper layer of material 7.
The forming cladding device of the present embodiment forms primarily of the fine shaped device 27 of absorbent cores volume, coating layer material supply unit 29, vacuum tank transporter 30, belt presser unit 31, absorptive core packing unit 32, upper layer of material delivery unit 35, elastomeric material applying unit 28, upper layer of material elastomeric material complex packing unit 34, backer roll unit 33.
Wherein, the fine shaped device 27 of absorbent cores volume is made up of long-pending fine chamber 21, long-pending fine drum 22, shaping mould 23, pressure zone unit 24 and negative pressure-pumping unit (A district, B district and C district).Long-pending fine chamber 21 arranges wood pulp cellulose fiber 101 conveyer device and super absorbent resin granule 102 bringing device 25, at long-pending fine intracavity, tongue component 26 is set, described tongue component 26 is divided into two parts long-pending fine chamber 21, is mainly used to regulate wood pulp cellulose fiber 101 at all levels and polymeric absorbent resin particle 102 mixed proportion content.
After wood pulp cellulose fiber 101 and polymeric absorbent resin particle 102 are blended, be adsorbed on shaping mould 23 by the fine shaped device 27 of above-mentioned absorbent cores volume and carry out molding, the demoulding exports, at the upstream extremity of belt presser unit 31, by the supply unit of absorptive core coating layer material 103, bond the absorptive core of molding and the absorptive core coating layer material 103 being coated with PUR compound, afterwards, be admitted to belt presser unit 31, the below of belt presser unit 31 is provided with vacuum tank transporter 30, thus the process of absorptive core thickness preliminary consolidation.Absorptive core after treatment enters absorptive core packing unit 32.Absorptive core packing unit 32 is primarily of packing pinch roller, vacuum tank, packing parts and PUR unit composition (figure does not indicate).The upper layer of material 7 being bonded with elastomeric material 6a and 6b is carried out a packing by upper layer of material elastomeric material complex packing unit 34 and is fixed after completing the fixing bonding of packing by the coating layer material 103 of absorptive core again.Wherein, elastomeric material 6a and 6b passes through elastomeric material supply unit 28 under certain extended state, with through upper layer of material supply unit 35, the upper layer of material 7 exported completes bonding compound, then, upper layer of material 7(coating is bonded with elastomeric material 6a and 6b) absorptive core intact with packing again to bond compound, and completes the applying of elastomeric material 6a and 6b in absorptive core both sides by one group of packing unit.Finally, the elasticity absorptive core of molding does compaction treatment further through one group of backer roll unit 33.Thus complete the forming covered process of this absorbent article absorptive core.Wherein, elastomeric material 6 can be adhesively fixed in upper layer of material 7 by elastomeric material applying unit 28 by upper layer of material 7.Backer roll unit 33 up-down rollers circumferential surface selects one group through the metal smooth roll of special handling; Or top roll circumferential surface is carved with the knurled metal roller of raised and concave figures; Also or top roll circumferential surface be coated with one deck elastomer, lower roll is the metal smooth roll of special handling, and up-down rollers can be heated, and the temperature range of heating is at 50-250 DEG C.
Forming cladding device embodiment two is for completing the production of absorptive core embodiment two, four.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. the forming cladding device of an absorbent article absorptive core, for the formation of the absorptive core of absorbent article, described absorptive core comprises clad upper strata, absorbent core layer, clad lower floor, described absorbent core layer is arranged between described clad upper strata and clad lower floor, elastomeric material is respectively equipped with at the dual-side of described absorptive core, the groove of genesis analysis is set near the position of side in described absorbent core layer both sides, it is characterized in that: comprise elastomeric material applying unit, coating layer material supply unit, the fine shaped device of absorbent cores volume, vacuum tank transporter, belt presser unit, absorptive core packing unit, backer roll unit, described coating layer material supply unit is used for coating layer material being delivered to the fine shaped device of described absorbent cores volume, described elastomeric material applying unit for applying elastomeric material on described coating layer material, the absorbent core layer of stripping forming is bonded on coating layer material and forms core body by the fine shaped device of described absorbent cores volume, described vacuum tank transporter, belt presser unit carries out packing by being sent to described absorptive core packing unit after described absorptive core preliminary consolidation, through described backer roll unit, further compacting is carried out to described absorptive core again, the fine shaped device of described absorbent cores volume comprises long-pending fine chamber, wood pulp cellulose fiber input block and polymeric absorbent resin particle input block rouse with long-pending fibre, described wood pulp cellulose fiber input block and high water-absorption particle input block are arranged on the end in described long-pending fine chamber, pattern is arranged to by described long-pending fibre drum, negative pressure-pumping unit is formed between described shaping mould and long-pending fine drum, described shaping mould arranges pressure zone unit, described shaping mould comprises core body die cavity, below described core body die cavity, screen cloth is set, the length direction of described screen cloth arranges two side projections near the edge of described screen cloth rectangular, protruding rectangular upper end, described two sides is higher than the top of described core body die cavity.
2. forming cladding device according to claim 1, it is characterized in that: described elastomeric material applying unit is arranged on the front of the fine shaped device of described absorbent cores volume, before described coating layer material bonding absorbent core layer, on described coating layer material, apply elastomeric material.
3. forming cladding device according to claim 1, it is characterized in that: described elastomeric material applying unit is arranged on the front of described absorptive core packing unit, in the front of described absorptive core packing unit, upper layer of material delivery unit is also set, the upper layer of material that described elastomeric material applying unit exports at described upper layer of material delivery unit applies elastomeric material, in the front of described elastomeric material applying unit and upper layer of material delivery unit, upper layer of material elastomeric material complex packing unit is also set, described upper layer of material elastomeric material complex packing unit carries out compound packing to described upper layer of material and elastomeric material.
4. forming cladding device according to claim 1, is characterized in that: on the length direction in the centre position of described screen cloth, arrange intermediate projections rectangular.
5. forming cladding device according to claim 4, is characterized in that: the rectangular width of described intermediate projections is less than the protruding rectangular width in described two sides, and the rectangular length of described intermediate projections is less than the length of described screen cloth.
6. forming cladding device according to claim 4, is characterized in that: described two sides are protruding, and rectangular to be symmetrical in described intermediate projections rectangular.
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| WO2016093034A1 (en) * | 2014-12-12 | 2016-06-16 | 山田 菊夫 | Disposable garment |
| CN104758123A (en) * | 2015-04-28 | 2015-07-08 | 彭艳燕 | Intelligent sanitary towel and panty liner |
| CN105078661A (en) * | 2015-09-15 | 2015-11-25 | 福建蓝蜻蜓护理用品股份公司 | T-shaped elastic paper diaper capable of preventing side leakage |
| CN105997353A (en) * | 2016-06-16 | 2016-10-12 | 王军辉 | Manufacturing device and method for back leakage preventing care component |
| CN106038070A (en) * | 2016-06-29 | 2016-10-26 | 泉州市汉威机械制造有限公司 | Transverse cotton core production method |
| CN106109108A (en) * | 2016-07-29 | 2016-11-16 | 杭州珂瑞特机械制造有限公司 | Partly wrap ultra-thin glue-free strong fluid aspirating core body and manufacture method |
| CN106109106A (en) * | 2016-07-29 | 2016-11-16 | 杭州珂瑞特机械制造有限公司 | The ultra-thin glue-free strong fluid aspirating core body of full bag and manufacture method |
| WO2019244891A1 (en) * | 2018-06-19 | 2019-12-26 | ユニ・チャーム株式会社 | Absorbent article |
| CN109350369B (en) * | 2018-12-03 | 2023-05-05 | 广东佰分爱卫生用品有限公司 | Equipment for automatically wrapping non-woven fabric core in paper diaper production |
| CN109674588A (en) * | 2019-01-28 | 2019-04-26 | 安庆市恒昌机械制造有限责任公司 | A kind of core and process units and technique for amenities |
| CN110584884A (en) * | 2019-09-20 | 2019-12-20 | 江苏豪悦实业有限公司 | Sanitary towel capable of being absorbed quickly |
| CN217286317U (en) * | 2021-02-26 | 2022-08-26 | 王子控股株式会社 | Absorbent article |
| CN115105301A (en) * | 2022-05-24 | 2022-09-27 | 山东爸爸的选择健康科技有限公司 | Manufacturing method of absorption core body with fast diffusion and accumulation prevention |
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