CN210330918U - Core body for hygienic product and production device - Google Patents
Core body for hygienic product and production device Download PDFInfo
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- CN210330918U CN210330918U CN201920143908.6U CN201920143908U CN210330918U CN 210330918 U CN210330918 U CN 210330918U CN 201920143908 U CN201920143908 U CN 201920143908U CN 210330918 U CN210330918 U CN 210330918U
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Abstract
The utility model relates to a disposable hygienic product technical field, in particular to a core and apparatus for producing for hygienic product, including the bottom material, the bottom material top complex has the intermediate layer material, and the intermediate layer material upper cover has outer material, has the chamber that holds that is used for holding super absorbent resin between outer material to the bottom material, holds chamber evenly distributed, adjacent hold have between the chamber with intermediate layer material and outer material and/or the compound adhesive point of bottom material, bottom material both sides are to the package book and cover on outer material, the utility model discloses a traditional compound core is compared to compound core, and self thickness reduces by a wide margin, has promoted the comfort of dress.
Description
Technical Field
The utility model relates to a disposable hygienic product technical field especially relates to a core and apparatus for producing for hygienic product.
Background
Absorbent cores are used in many disposable hygiene products, such as diapers, puerperal pads, medical surgical pads, sanitary napkins, pet pads, and even disposable dining table pads.
The traditional first generation absorption core is an absorption core structure which is formed by uniformly mixing fluff pulp and high-molecular water-absorbent resin and coating the fluff pulp and the high-molecular water-absorbent resin into a whole by spraying glue on a coating material. The absorption core has the advantages that the macromolecular water-absorbent resin is uniformly distributed in the fluff pulp fibers, and the wrapping layers are only formed by spraying glue on the upper layer and the lower layer and are combined, so that the free space for the macromolecular water-absorbent resin to expand is large, the utilization rate of the macromolecular water-absorbent resin in the absorption core is high, and the water absorption rate of the macromolecular water-absorbent resin is high. But simultaneously in order to reduce the cotton breaking problem that sticks together of traditional structure absorption core, generally set up hot light pressure or hot net and press the compaction, make the compliance of traditional absorption core material reduce.
The second generation absorption core comprises a first covering layer, a hot melt adhesive layer, a high polymer water-absorbing resin layer, a fluffy non-woven fabric layer, a high polymer water-absorbing resin layer, a hot melt adhesive layer and a second covering layer, wherein the first covering layer and the second covering layer are usually dry dust-free paper or hot air non-woven fabric. The absorption core material with the structure has the advantages that the high-molecular water-absorbent resin is fixed in the fluffy non-woven fabric layer or between the high-fluffy non-woven fabric layer and the covering layer, the problem of cotton breaking caused by lump formation after urine absorption of the high-molecular water-absorbent resin can be solved, the space for free expansion is reduced after the high-molecular water-absorbent resin is fixed, the utilization rate of the high-molecular water-absorbent resin is low, and the water absorption rate of the absorption core is lower than that of a traditional absorption core. Meanwhile, the adoption of the dust-free paper needs wood resources and is not environment-friendly; and the surfaces of the dust-free paper surface layer and the dust-free paper bottom layer are smooth, so that the water absorption speed is low.
SUMMERY OF THE UTILITY MODEL
In order to solve prior art's first generation absorption core and play disconnected cotton that sticks together easily, the second generation absorbs the low and slower scheduling problem of the speed of water absorption rate of core material, the utility model provides a core and apparatus for producing for health supplies, need not fluff pulp carrier location polymer water-absorbent resin, also need not adhesive location polymer water-absorbent resin, and can make polymer water-absorbent resin imbibition performance obtain full play when can fully fixing a position polymer water-absorbent resin, can reduce absorption core self thickness by a wide margin when having reduced manufacturing cost, promote the comfort of dress.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a core for health supplies, includes the bottom material, bottom material top complex have the intermediate layer material, the intermediate layer material upper cover have outer layer material, outer layer material to bottom material between have and be used for holding the chamber that holds that the polymer water-absorbing resin, hold chamber evenly distributed, adjacent hold have between the chamber with intermediate layer material and outer layer material and/or bottom material complex adhesive point, bottom material both sides upwards wrap and cover on outer layer material.
Further, the adhesive dots are formed by hot pressing, ultrasonic welding or gluing.
As an embodiment of the utility model, the intermediate level material continuous, outer material be the 3D material, the recess that holds the chamber for the 3D material.
As another embodiment of the utility model, the intermediate layer material on have a line type incision, outer material be the surface layer material, the accommodation hole that the chamber formed for the line type incision by tensile back of holding, thereby the accommodation hole after compound core production is accomplished to the centre retract and pin the polymer water-absorbing resin.
A device for producing a core for a sanitary product, as described above, characterized in that: including feeding mechanism and the compound swiveling wheel that is used for supplying the bed material, the compound swiveling wheel negative pressure storehouse has, compound swiveling wheel top be equipped with polymer feedway, compound swiveling wheel set up on the surface with the communicating suction hole that is used for adsorbing polymer water-absorbent resin in negative pressure storehouse, apparatus for producing still including being used for with intermediate layer material and outer material and/or the compound mechanism of bottom material complex, apparatus for producing end is equipped with the package and rolls over the device.
As one of the embodiments, the feeding mechanism comprises a 3D material feeding device and a middle layer unwinding roller for supplying a middle layer material, the middle layer unwinding roller is arranged at the downstream of the middle layer unwinding roller, the middle layer material is wound at the front side of the composite rotating wheel, the 3D material is wound at the rear side of the composite rotating wheel, grooves of the 3D material correspond to air holes in a one-to-one mode, the composite mechanism for compounding the 3D material and the middle layer material applied with high polymer water-absorbent resin is arranged at the downstream of the composite rotating wheel, a bottom unwinding roller for providing a bottom fabric is arranged at the downstream of the composite mechanism, the wrapping and folding device is a first wrapping and folding device for wrapping and folding the bottom material onto the 3D material, and first glue spraying devices are arranged between the middle layer unwinding roller and the composite rotating wheel and between the 3D material feeding device and the composite rotating wheel, the first mucilage binding that spouts is used for laminating intermediate layer material and 3D material, the bottom open the winding up roller and be equipped with the second between the first equipment of wrapping up and spout the mucilage binding, the second spout the mucilage binding and be used for laminating bottom material and intermediate layer material.
Further, the 3D material feeding device is a finished product unwinding roller for supplying the 3D material, or the 3D material feeding device includes a first unwinding roller for supplying the raw material of the 3D material and a 3D forming device for producing the 3D material, and the composite mechanism is a hot pressing device or an ultrasonic welding device.
As another embodiment, the feeding mechanism comprises a middle layer unwinding roller for supplying a middle layer material and a bottom layer unwinding roller for supplying a bottom layer material, a cutter assembly device for cutting the middle layer material is arranged at the downstream of the middle layer unwinding roller, the production device further comprises a traction roller for stretching a linear cut of the middle layer material, the middle layer material and the bottom layer material which are cut and stretched are rolled into the front side of the composite rotating wheel together, the feeding mechanism further comprises a surface layer unwinding roller for supplying a surface layer material, the surface layer material is rolled from the rear side of the composite rotating wheel, the surface layer material is rolled into the wrapping device from the upper half circle position of the composite rotating wheel, the wrapping device is a second wrapping device arranged at the tail end of the production device and used for wrapping and folding the bottom layer material onto the surface layer material, and a third glue spraying device is arranged between the bottom layer unwinding roller and the composite rotating wheel, the third glue spraying device is used for laminating a bottom layer material and an intermediate layer material, a fourth glue spraying device is arranged between the surface layer uncoiling roller and the composite rotating wheel, and the fourth glue spraying device is used for laminating the surface layer material and the intermediate layer material.
Has the advantages that:
the composite core of example 1 has the following beneficial effects:
(1) the high-molecular water-absorbent resin in the composite core body is not fixed by fluff pulp and adhesives, so that the wearing comfort is improved and the cost is reduced;
(2) the high-molecular water-absorbent resin is coated in the groove of the 3D material, and can not shift to generate lumping, lumping and even fault and the like after absorbing liquid;
(3) the macromolecule water-absorbent resin is coated in the groove of the 3D material, so that space required for the macromolecule water-absorbent resin to expand after absorbing water is provided, and discomfort caused by obvious liquid absorption bulge of the local macromolecule water-absorbent resin is avoided;
(4) the intermediate layer material and the 3D material are compounded preferably by adopting hot pressing or ultrasonic waves to replace hot melt adhesive, so that liquid can seep down more quickly, and the wrapping of glue on the high-molecular water-absorbent resin is reduced, so that the liquid absorption performance of the high-molecular water-absorbent resin is fully exerted;
(5) this composite core compares traditional composite core, and self thickness reduces by a wide margin, has promoted the comfort of dress.
The composite core of example 2 has the following beneficial effects:
(1) the high molecular water-absorbent resin in the composite core body is not fixed by fluff pulp and adhesives, so that the wearing comfort is improved, and the cost is reduced;
(2) the macromolecule water-absorbing resin is placed in the quasi-elliptical hole, and can not shift and lump after absorbing liquid;
(3) this composite core compares traditional composite core, and self thickness reduces by a wide margin, has promoted the comfort of dress.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the structure of a production apparatus in example 1;
FIG. 2 is a cross-sectional view of a composite core of embodiment 1;
FIG. 3 is an oblique view of a groove profile of a 3D material;
FIG. 4 is a partially developed view of the distribution of the air suction holes on the surface of the composite rotating wheel;
FIG. 5 is a schematic view of the structure of a production apparatus in example 2;
FIG. 6 is an enlarged partial view of the cut line of the interlayer material of example 2 after cutting;
FIG. 7 is an enlarged partial view of the linear slits of example 2 becoming oval-like shaped holes after the material has been stretched;
fig. 8 is a cross-sectional view of the composite core of example 2.
100, a first unwinding roller, 101, a 3D material, 102, a 3D forming device, 103, a polymer feeding device, 105, a middle layer unwinding roller, 106, a middle layer material, 107a, a first glue spraying device, 107b, a second glue spraying device, 108, a negative pressure bin, 109, a hot pressing device, 110, a first wrapping and folding device, 111, a bottom layer unwinding roller, 112, a bottom layer material, 113 composite rotating wheel, 120, a groove of the 3D material, 121, a polymer water-absorbent resin, 122, an adhesive point, 130, an air suction hole, 202, a cutter assembly device, 204, a third glue spraying device, 205, a surface layer unwinding roller, 206, a surface layer material, 209, a fourth glue spraying device, 211, a second wrapping and folding device, 220, a linear notch, 230 and a containing hole.
Detailed Description
A core body for a sanitary product comprises a bottom layer material 112, a middle layer material 106 is compounded above the bottom layer material 112, an outer layer material covers the middle layer material 106, containing cavities for containing high-molecular water-absorbing resin 121 are formed between the outer layer material and the bottom layer material 112 and are evenly distributed, adhesive points 122 for compounding the middle layer material 106 with the outer layer material and/or the bottom layer material 112 are formed between adjacent containing cavities, and two sides of the bottom layer material 112 are folded upwards and covered on the outer layer material.
The adhesive dots 122 are formed by hot pressing, ultrasonic welding, or gluing.
The core body production device for the hygienic product comprises a feeding mechanism for supplying the layered materials and a composite rotating wheel 113, wherein the composite rotating wheel 113 is provided with a negative pressure bin 108, a high polymer feeding device 103 is arranged above the composite rotating wheel 113, the surface of the composite rotating wheel 113 is provided with an air suction hole 130 which is communicated with the negative pressure bin 108 and is used for adsorbing high polymer water-absorbent resin 121, the production device further comprises a composite mechanism for compounding a middle layer material 106 with an outer layer material and/or a bottom layer material 112, and the tail end of the production device is provided with a wrapping device.
Implementation 1:
as shown in fig. 2, the middle layer 106 is continuous, the outer layer 101 is 3D material, and the receiving cavity is a groove 120 of 3D material.
Referring to fig. 1, 3 and 4, the feeding mechanism includes a 3D material 101 feeding device and a middle layer unwinding roller 105 for supplying a middle layer material 106, a composite rotating wheel 113 is disposed downstream of the middle layer unwinding roller 105, the middle layer material 106 is wound in the front side of the composite rotating wheel 113, the 3D material 101 is wound in the rear side of the composite rotating wheel 113, the 3D material 101 is wound in the upper half circle position of the composite rotating wheel 113, grooves 120 of the 3D material correspond to the air holes one by one, a composite mechanism for combining the 3D material 101 with the middle layer material 106 to which a polymeric water-absorbent resin 121 is applied is disposed downstream of the composite rotating wheel 113, a bottom layer unwinding roller 111 for supplying a bottom layer fabric is disposed downstream of the composite mechanism, the wrapping device is a first wrapping device 110 for wrapping and folding the bottom layer material 112 onto the 3D material 101, first glue spraying devices 107a are disposed between the middle layer unwinding roller 105 and the composite rotating wheel 113 and between the feeding device of the 3D material 101 and the composite rotating wheel, the first glue spraying device 107a is used for attaching the middle layer material 106 and the 3D material 101, the second glue spraying device 107b is arranged between the bottom layer uncoiling roller 111 and the first wrapping device 110, and the second glue spraying device 107b is used for attaching the bottom layer material 112 and the middle layer material 106.
The 3D material 101 feeding device is a finished unwinding roller for supplying the 3D material 101, or the 3D material 101 feeding device includes a first unwinding roller 1 for supplying raw materials of the 3D material 101 and a 3D forming device 102 for producing the 3D material 101, and the composite mechanism is a hot pressing device 109 or an ultrasonic welding device.
The process for the core of the sanitary product comprises the following steps:
step 1: the intermediate layer material 106 is uncoiled by an intermediate layer uncoiling roller 105 and is conveyed to a composite rotating wheel 113 at the lower side of the polymer blanking device, meanwhile, the high polymer water-absorbent resin is continuously applied, and under the action of air suction, the distribution of the high polymer water-absorbent resin 121 on the intermediate material is the same as that of the air suction holes 130 on the circumferential surface of the composite rotating wheel 113;
step 2: the raw materials of the 3D material 101 are uncoiled by a first uncoiling roller 1 and conveyed to a 3D forming device 102 to be made into the 3D material 101 with grooves which are the same as the distribution of the air suction holes 130 on the circumferential surface of the composite rotating wheel 113, if the finished 3D material 101 is directly selected, a 3D forming processing device is not needed, the 3D material 101 is conveyed to the composite rotating wheel 113 and covers the intermediate layer material 106, and the high polymer water-absorbent resin 121 is positioned in the grooves 120 of the 3D material;
and step 3: the middle layer material 106, the high-molecular water-absorbent resin 121 and the 3D material 101 in the step 2 are conveyed to a compounding mechanism through a traction driving wheel, the compounding mechanism is used for compounding the middle layer material 106 of the 3D material 101 in a hot pressing mode, an ultrasonic welding mode or an adhesive mode, and the adhesive points 122 are distributed around the groove 120 of the 3D material at intervals and do not have intersection points with the groove 120 of the 3D material;
and 4, step 4: the base material 112 is conveyed by the base unwinding roll 111, and is conveyed to the first wrapping and folding device 110 together with the composite formed by the 3D material 101 layer, the high molecular water-absorbent resin 121, and the intermediate layer material 106 in step 3, and the side edge portions of the base material 112 wider than the 3D material 101 and the intermediate layer material 106 are continuously folded back in the material direction by the first wrapping and folding device 110, so that the composite core is wrapped with the base material 112 on both sides.
Example 2:
as shown in fig. 8, the middle layer material 106 is provided with a linear slit 220, the outer layer material is the surface layer material 206, the accommodating cavity is an accommodating hole 230 formed after the linear slit 220 is stretched, the accommodating hole 230 retracts towards the middle after the production of the composite core is completed so as to lock the high molecular water absorbent resin 121, specifically, after the composite core is compounded with the surface layer material 206 and the bottom layer material 112, the middle layer material 106 can naturally rebound, meanwhile, the elliptical accommodating hole 230 can slightly contract to further lock the high molecular water absorbent resin 121 while contracting, and the elliptical accommodating hole 230 stores the high molecular water absorbent resin so as to prevent the high molecular water absorbent resin 121 in the composite core from displacing after absorbing liquid.
As shown in fig. 5 to 7, the supply mechanism includes a middle layer unwinding roller 105 for supplying the middle layer material 106 and a bottom layer unwinding roller 111 for supplying the bottom layer material 112, a cutter assembly device 202 for cutting the middle layer material 106 is provided downstream of the middle layer unwinding roller 105, the production apparatus further includes a pull roller for stretching a linear cut 220 of the middle layer material 106, the middle layer material 106 and the bottom layer material 112 which have been cut and stretched are wound together on the front side of the composite rotary wheel 113, the supply mechanism further includes a surface layer unwinding roller 205 for supplying the surface layer material 206, the surface layer material 206 is wound from the rear side of the composite rotary wheel 113, and the surface layer material 206 is wound from the upper circular position of the composite rotary wheel 113 into a second wrapping device 211 provided at the end of the production apparatus for wrapping the bottom layer material 112 onto the surface layer material 206, a third glue spraying device 204 is provided between the bottom layer unwinding roller 111 and the composite rotary wheel 113, the third glue spraying device 204 is used for attaching the bottom layer material 112 and the middle layer material 106, a fourth glue spraying device 209 is arranged between the surface layer uncoiling roller 205 and the compound rotating wheel 113, and the fourth glue spraying device 209 is used for attaching the surface layer material 206 and the middle layer material 106.
The process for the core of the sanitary product comprises the following steps:
step 1: the interlayer material 106 is uncoiled by an interlayer uncoiling roller 105 and conveyed to a cutter assembly device 202 to be manufactured into the interlayer material 106 with linear cuts 220 distributed at intervals transversely or longitudinally;
step 2: stretching the interlayer material 106 by a pulling roll to form a containing pit after the linear cut 220 is stretched;
and step 3: the bottom layer material 112 is conveyed through a bottom layer unwinding roller 111 and is conveyed to a composite rotating wheel 113 together with the middle layer material 106 through a traction driving wheel, a macromolecule feeding device 103 carries out blanking, macromolecules are paved in a containing pit formed after the middle layer material 106 is stretched under the suction effect of the composite rotating wheel 113, and a surface layer material 206 is conveyed to the composite rotating wheel 113 through a surface layer unwinding roller 205, so that the surface layer material 206 covers the middle layer material 106;
and 4, conveying the composite of the bottom material 112, the high-molecular water-absorbent resin 121, the middle layer material 106 and the surface layer material 206 formed in the step 3 to a second folding device 211, continuously folding the side edge parts of the bottom material 112, which are wider than the middle layer material 106 and the surface layer material 206, along the material direction, so that the composite core body is covered by the bottom material 112 on two sides.
It should be understood that the above description of the specific embodiments is only for the purpose of explanation and not for the purpose of limitation. Obvious changes or variations caused by the spirit of the present invention are within the scope of the present invention.
Claims (8)
1. A core for a sanitary product, characterized in that: the composite material comprises a bottom material (112), an intermediate layer material (106) is compounded above the bottom material (112), an outer layer material covers the intermediate layer material (106), containing cavities for containing high-molecular water-absorbent resin (121) are formed between the outer layer material and the bottom material (112), the containing cavities are uniformly distributed, bonding points (122) for compounding the intermediate layer material (106) with the outer layer material and/or the bottom material (112) are formed between every two adjacent containing cavities, and two sides of the bottom material (112) are folded upwards and cover the outer layer material.
2. A core for a sanitary product according to claim 1, wherein: the adhesive dots (122) are formed by hot pressing, ultrasonic welding or gluing.
3. A core for a sanitary product according to claim 1 or 2, wherein: the middle layer material (106) is continuous, the outer layer material is a 3D material (101), and the accommodating cavity is a groove (120) of the 3D material.
4. A core for a sanitary product according to claim 1 or 2, wherein: the composite core is characterized in that the middle layer material (106) is provided with a linear cut (220), the outer layer material is a surface layer material (206), the accommodating cavity is an accommodating hole (230) formed after the linear cut (220) is stretched, and the accommodating hole (230) retracts to lock the high-molecular water-absorbent resin (121) after the composite core is produced.
5. A core body production device for a sanitary product according to any one of claims 1 to 4, wherein: including feeding mechanism and compound swiveling wheel (113) that are used for supplying the bed material, compound swiveling wheel (113) negative pressure storehouse (108) has, compound swiveling wheel (113) top be equipped with polymer feeding device (103), compound swiveling wheel (113) on the surface set up with negative pressure storehouse (108) communicating be used for adsorbing suction hole (130) of polymer water-absorbing resin (121), the apparatus for producing still including being used for with intermediate layer material (106) and outer material and/or the compound mechanism of bottom material (112) complex, the apparatus for producing end is equipped with the package and rolls over the device.
6. A core production device for sanitary products according to claim 5, wherein: the feeding mechanism comprises a 3D material (101) feeding device and a middle layer unwinding roller (105) for supplying a middle layer material (106), the middle layer unwinding roller (105) is arranged at the downstream of the middle layer unwinding roller (105), the middle layer material (106) is wound at the front side of the composite rotating wheel (113), the 3D material (101) is wound at the rear side of the composite rotating wheel (113), a groove (120) for accommodating the 3D material of the high polymer water-absorbent resin (121) is formed between the outer layer material and the bottom layer material (112), the groove (120) of the 3D material corresponds to the air holes in a one-to-one mode, the composite mechanism is arranged at the downstream of the composite rotating wheel (113) and used for compounding the 3D material (101) and the middle layer material (106) applied with the high polymer water-absorbent resin (121), the bottom layer unwinding roller (111) for supplying the bottom layer material is arranged at the downstream of the composite mechanism, the package device of rolling over for being used for wrapping up bottom material (112) and rolling over first package folding device (110) on 3D material (101), the intermediate level open between winding roller (105) and compound swiveling wheel (113) and be equipped with between 3D material (101) feedway and compound swiveling wheel (113) first glue device (107a) of spouting, first glue device (107a) of spouting is used for laminating intermediate layer material (106) and 3D material (101), the bottom open and be equipped with the second between winding roller (111) and first package folding device (110) and spout glue device (107b), the second spout glue device (107b) and be used for laminating bottom material (112) and intermediate layer material (106).
7. A core production device for sanitary products according to claim 6, wherein: the feeding device for the 3D material (101) is a finished product unwinding roller for supplying the 3D material (101), or the feeding device for the 3D material (101) comprises a first unwinding roller (1) for supplying raw materials of the 3D material (101) and a 3D forming device (102) for producing the 3D material (101), and the composite mechanism is a hot pressing device (109) or an ultrasonic welding device.
8. A core production device for sanitary products according to claim 5, wherein: the feeding mechanism comprises a middle layer uncoiling roller (105) used for supplying the middle layer material (106) and a bottom layer uncoiling roller (111) used for supplying the bottom layer material (112), a cutter assembly device (202) used for cutting the middle layer material (106) is arranged at the downstream of the middle layer uncoiling roller (105), the production device further comprises a drawing roller used for drawing out a linear cut (220) of the middle layer material (106), the middle layer material (106) and the bottom layer material (112) which are cut and drawn are coiled into the front side of the compound rotating wheel (113) together, the feeding mechanism further comprises a surface layer uncoiling roller (205) used for supplying the surface layer material (206), the surface layer material (206) is coiled from the rear side of the compound rotating wheel (113), and the wrapping device is a second wrapping device (211) arranged at the tail end of the production device and used for wrapping and folding the bottom layer material (112) onto the surface layer material (206), bottom uncoiling roller (111) and compound swiveling wheel (113) between be equipped with the third and spout mucilage binding and put (204), the third spout mucilage binding and put (204) and be used for laminating bottom material (112) and intermediate layer material (106), the top layer uncoiling roller (205) and compound swiveling wheel (113) between be equipped with the fourth and spout mucilage binding and put (209), the fourth spout mucilage binding and put (209) and be used for laminating surface layer material (206) and intermediate layer material (106).
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| CN201920143908.6U CN210330918U (en) | 2019-01-28 | 2019-01-28 | Core body for hygienic product and production device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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