CN109758301B - Method for manufacturing absorbent article - Google Patents
Method for manufacturing absorbent article Download PDFInfo
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- CN109758301B CN109758301B CN201811569523.2A CN201811569523A CN109758301B CN 109758301 B CN109758301 B CN 109758301B CN 201811569523 A CN201811569523 A CN 201811569523A CN 109758301 B CN109758301 B CN 109758301B
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Abstract
The invention discloses a manufacturing method of an absorbent article, which comprises the following steps: waist elastic parts are arranged on two sides of the outer wrapping layer in the flow direction, two groups of arc-shaped leg-surrounding elastic parts which are in an arc-shaped curve are arranged in the middle of the outer wrapping layer in the flow direction to form an elastic composite sheet, and the two groups of leg-surrounding arc-shaped elastic parts are staggered at the crotch part; cutting the elastic composite sheet into two composite sheets along the flow direction of the staggered part of the two groups of leg surrounding arc-shaped elastic parts, and retracting the cut ends of the leg surrounding arc-shaped elastic parts; separating the two composite sheets at a certain distance along the direction vertical to the flow direction, wherein the separated areas of the two composite sheets are connected through the crotch sheet, and an inner absorption structure is arranged on one side, close to a wearer, of the two composite sheets; performing O cutting on the compounded absorbent article; and overlapping the front waistline region and the rear waistline region on two sides of the absorbent article, carrying out side sealing on the waistline, and finally cutting the side-sealed product along the side sealing position to obtain a finished product. The production efficiency is high.
Description
Technical Field
The invention relates to the technical field of sanitary products, in particular to a manufacturing method of an absorbent article.
Background
A disposable absorbent article has two side sheets for preventing side leakage of liquid, an absorption body for absorbing and retaining the liquid, and a wrapping sheet for preventing liquid from penetrating. In order to enhance the fit of the absorbent article to the body, the elastic waistline elastic member and the leg arc-shaped elastic member are arranged, so that the absorbent article is convenient to wear and is not easy to leak laterally.
In the present absorbent article manufacturing process, because the flow direction fold that can introduce the core when arc elastic component carries out the core, pleasing to the eye and influence the absorption effect, it is uncomfortable to wear, can cut the arc rubber band of crotch portion at core coincidence region with the rubber band cutter among the manufacturing process in the past to reach the smooth purpose of crotch portion core. However, the rubber string cutter is used for cutting in the process direction with the phase in the manufacturing process direction, the rubber string cutter needs to be replaced again for cutting in different sizes, the problem that the code changing is inconvenient in equipment production can be caused, the surface of a product has shear marks, the appearance is affected, the process is complex, and the production efficiency is low.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a manufacturing method of an absorbent article to achieve the aim of improving the production efficiency.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the method for manufacturing the absorbent article includes the steps of:
1) waist elastic parts are arranged on two sides of the outer wrapping layer in the flow direction, two groups of arc-shaped leg-surrounding elastic parts which are in an arc-shaped curve are arranged in the middle of the outer wrapping layer in the flow direction to form an elastic composite sheet, and the two groups of leg-surrounding arc-shaped elastic parts are staggered at the crotch part;
2) cutting the elastic composite sheet into two composite sheets along the flow direction of the staggered part of the two groups of leg surrounding arc-shaped elastic parts, and retracting the cut ends of the leg surrounding arc-shaped elastic parts;
3) separating the two composite sheets at a certain distance along the direction vertical to the flow direction, wherein the separated areas of the two composite sheets are connected through the crotch sheet, and an inner absorption structure is arranged on one side, close to a wearer, of the two composite sheets;
4) performing O cutting on the compounded absorbent article, and removing the cut waste;
5) and overlapping the front waistline region and the rear waistline region on two sides of the absorbent article, carrying out side sealing on the waistline, and finally cutting the side-sealed product along the side sealing position to obtain a finished product.
Wherein the waist elastic member is a threadlike elastic member or an elastic sheet.
The leg surrounding arc-shaped elastic part is a linear elastic component.
The outer wrapping layer comprises an inner layer sheet and an outer layer sheet, and the leg surrounding arc-shaped elastic part is arranged between the inner layer sheet and the outer layer sheet.
The two groups of leg circumference arc-shaped elastic components are fixed between the inner layer sheet and the outer layer sheet of the outer wrapping layer through adhesives.
The staggered parts of the two groups of leg circumference arc-shaped elastic parts are provided with non-glue-applied areas, and the leg circumference arc-shaped elastic parts in the non-glue-applied areas are not bonded with the inner layer sheet and the outer layer sheet of the outer wrapping layer.
The two composite sheet material separating areas are bonded and connected through the crotch sheet material.
Compared with the prior art, the invention has the following advantages:
the manufacturing method of the absorbent article has reasonable design, does not need a leg-surrounding arc-shaped elastic part cutter to cut the elastic part, has no cut mark at the inner absorption structure, is more attractive, is not easy to fall off from the body of a wearer when in use, and has simple process and high production efficiency.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic view showing the inside of an absorbent article according to the present invention expanded.
Figure 2 is a cross-sectional view of the waist of the present invention taken along the crotch side.
Fig. 3 is a schematic view of the present invention in cross section along the longitudinal centerline of an absorbent article.
FIG. 4 is a schematic view of a manufacturing process according to the present invention.
FIG. 5 is a partial schematic view of the first embodiment of FIG. 4.
FIG. 6 is a partial schematic view of FIG. 4 according to the present invention.
FIG. 7 is a third partial schematic view of FIG. 4 according to the present invention.
FIG. 8 is a partial schematic view of FIG. 4 according to the present invention.
In the figure:
2. the outer wrapping layer, 21, the inner layer sheet, 22, the outer layer sheet, 23, the waist elastic part, 24, the leg surrounding arc elastic part, 25, the crotch sheet, 201, the composite sheets I and 202, the composite sheets II and 3, the inner absorption structure, 31, the liquid-permeable front sheet, 32, the absorption core body, 33, the liquid-impermeable wrapping sheet, 34, the leakage-proof side wall, 341, the leakage-proof side wall elastic part, a, the bonding area and b, the non-bonding area.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 to 8, the absorbent article may be a sanitary article such as a diaper and a pull-up diaper, and includes an outer casing 2 and an inner absorbent structure 3 for absorbing liquid provided in the outer casing, both of which form a waist region and a crotch region.
The two ends of the direction which is vertical to the flow direction after the absorbent article is unfolded are respectively a front waistline region and a rear waistline region, and a crotch region is formed between the front waistline region and the rear waistline region; two sides of the front waistline region are correspondingly connected with two sides of the rear waistline region; the flow direction is the applying direction of the rubber band and the cutting direction of the non-woven fabric.
The outer wrapping layer 2 comprises an inner layer sheet 21 and an outer layer sheet 22, the inner absorption structure is arranged on the inner layer sheet, and a waist elastic part 23 is arranged between the inner layer sheet and the outer layer sheet corresponding to the waist area; leg-surrounding arc-shaped linear elastic members 24 are provided between the inner sheet and the outer sheet corresponding to the crotch portion to prevent side leakage.
Here, the outer sheet is not an integral sheet, and includes a front waistline outer sheet and a rear waistline outer sheet, and a crotch sheet 25 provided between the front waistline outer sheet and the rear waistline outer sheet.
The waist elastic member 23 is a threadlike elastic member or an elastic sheet; the leg surrounding arc-shaped elastic part 24 is a linear elastic part; the waist elastics 23 and the leg hole arc elastics 24 are provided between the inner sheet and the outer sheet.
The inner absorbent structure 3 comprises a liquid-permeable front sheet 31 and a liquid-impermeable wrapping sheet 33, and an absorbent core 32 positioned between the front sheet and the liquid-impermeable wrapping sheet; two transverse edges of a wrapping sheet of the inner absorption structure 3 are provided with flanges, the absorption core body 33 is positioned in the wrapping sheet 32, two transverse edges of the front sheet 31 are arranged on the flanges corresponding to the wrapping sheet, and two transverse edges of the front sheet are provided with leakage-proof side walls 34; the leakage-proof side walls comprise bent leakage-proof side wall sheet materials 341 and leakage-proof side wall linear elastic components 342 arranged in the leakage-proof side wall sheet materials 341, and side leakage is avoided.
As shown in fig. 4 to 8, the absorbent article manufacturing method includes the steps of:
waist elastic parts are arranged on two sides of the outer wrapping layer in the flow direction, two groups of arc-shaped leg-surrounding elastic parts which are in an arc-shaped curve are arranged in the middle of the outer wrapping layer in the flow direction to form an elastic composite sheet, and the two groups of leg-surrounding arc-shaped elastic parts are staggered at the crotch part;
the two groups of leg circumference arc-shaped elastic parts are fixed between the inner layer sheet and the outer layer sheet of the outer wrapping layer through adhesives, adhesives are coated between the inner layer sheet and the outer layer sheet of the outer wrapping layer corresponding to the arrangement trend of the leg circumference arc-shaped elastic parts to form bonding areas a, and the leg circumference arc-shaped elastic parts are fixed through the adhesives;
the staggered parts of the two groups of leg circumference arc-shaped elastic parts are provided with non-glue-applied areas to form non-bonded areas b, and the leg circumference arc-shaped elastic parts of the non-glue-applied areas b are not bonded with the inner layer sheet and the outer layer sheet of the outer wrapping layer;
cutting the elastic composite sheet into two composite sheets along the flow direction of the joint of the two groups of leg-surrounding arc-shaped elastic parts, wherein the two composite sheets are a composite sheet I201 and a composite sheet II 202 which are arranged side by side at intervals respectively; the leg encircling arcuate elastic members of the unsized areas retract to the secured areas by the adhesive;
separating the two composite sheets by a certain distance along the direction vertical to the flow direction, bonding the separated region with the crotch sheet, and arranging an inner absorption structure on one side of the two composite sheets close to a wearer;
performing O cutting on the compounded absorbent article, and absorbing and removing the cut waste;
and overlapping the front waistline region and the rear waistline region on two sides of the absorbent article, carrying out side sealing on the waistline, and finally cutting the side-sealed product along the side sealing position to obtain a finished product.
Wherein the content of the first and second substances,
the leg arc-shaped elastic part is an S-shaped arc-shaped curve, the leg arc-shaped elastic part is fixed between the inner layer sheet and the outer layer sheet by coating adhesive, and the coated adhesive can be formed by a plurality of strip-shaped areas or other shapes; no adhesive is coated at the joint between the inner layer sheet and the outer layer sheet corresponding to the two groups of the leg surrounding arc-shaped elastic parts.
The leg surrounding arc-shaped elastic part is cut off and retracted in the area without being coated with the adhesive, the cut end of the leg surrounding arc-shaped elastic part retracts to the junction of the area coated with the adhesive and the area without being coated with the adhesive, and the elastic part is not required to be cut by a leg surrounding arc-shaped elastic part cutter subsequently.
According to the invention, the area b is an unbonded area, and the area a is a bonded area, so that the rubber band is led to retract upwards and downwards when the area b is cut, and the crotch area is flat and has no shrinkage;
the inner side parts of the leg surrounding arc-shaped elastic parts between the adjacent inner absorption structures are cut off by a group of 'O' cutters arranged side by side, and the leg surrounding arc-shaped elastic parts are formed at one time. The two composite sheets are bonded with the crotch sheet 25 after being separated by a certain distance, so that when the O-shaped cutting material of the product is cut, the waste material can be sucked away at one time, and the two composite sheets cannot be separated into two sheets and cannot be sucked or cut well.
The inner absorption structure has no cut mark, is relatively beautiful and is not easy to fall off from the body of a wearer when in use; the leg surrounding arc-shaped elastic part cutter is not needed to cut the elastic part, the process is simple, and the production efficiency is high; meanwhile, only three leg arc-shaped elastic parts are needed to be added, so that the cost is reduced.
The above-mentioned features are merely for describing preferred embodiments of the present invention and may be arbitrarily combined to form a plurality of embodiments of the present invention.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (4)
1. A method for manufacturing an absorbent article, characterized in that: the absorbent article manufacturing method includes the steps of:
1) waist elastic parts are arranged on two sides of the outer wrapping layer in the flow direction, two groups of arc-shaped leg-surrounding elastic parts which are in an arc-shaped curve are arranged in the middle of the outer wrapping layer in the flow direction to form an elastic composite sheet, and the two groups of leg-surrounding arc-shaped elastic parts are staggered at the crotch part;
2) cutting the elastic composite sheet into two composite sheets along the flow direction of the staggered part of the two groups of leg surrounding arc-shaped elastic parts, and retracting the cut ends of the leg surrounding arc-shaped elastic parts;
3) separating the two composite sheets at a certain distance along the direction vertical to the flow direction, wherein the separated areas of the two composite sheets are connected through the crotch sheet, and an inner absorption structure is arranged on one side, close to a wearer, of the two composite sheets;
4) performing O-shaped cutting on the compounded absorbent article, and removing cut waste;
5) folding the front waistline region and the rear waistline region on two sides of the absorbent article in a superposition manner, carrying out side sealing on the waistline, and finally cutting the side-sealed product along the side sealing position to obtain a finished product;
the leg-surrounding arc-shaped elastic part is arranged between the inner layer sheet and the outer layer sheet; the two groups of leg circumference arc-shaped elastic components are fixed between the inner layer sheet and the outer layer sheet of the outer wrapping layer through adhesives; the staggered parts of the two groups of leg circumference arc-shaped elastic parts are provided with non-glue-applied areas, and the leg circumference arc-shaped elastic parts in the non-glue-applied areas are not bonded with the inner layer sheet and the outer layer sheet of the outer wrapping layer.
2. The method for manufacturing an absorbent article according to claim 1, wherein: the waist elastic member is a threadlike elastic member or an elastic sheet.
3. The method for manufacturing an absorbent article according to claim 1, wherein: the leg surrounding arc-shaped elastic part is a linear elastic component.
4. The method for manufacturing an absorbent article according to claim 1, wherein: the two composite sheet material separating areas are bonded and connected through the crotch sheet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569523.2A CN109758301B (en) | 2018-12-21 | 2018-12-21 | Method for manufacturing absorbent article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569523.2A CN109758301B (en) | 2018-12-21 | 2018-12-21 | Method for manufacturing absorbent article |
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| Publication Number | Publication Date |
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| CN109758301A CN109758301A (en) | 2019-05-17 |
| CN109758301B true CN109758301B (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811569523.2A Active CN109758301B (en) | 2018-12-21 | 2018-12-21 | Method for manufacturing absorbent article |
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| CN (1) | CN109758301B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112826664B (en) * | 2020-12-31 | 2022-02-15 | 福建恒安集团有限公司 | Production process of disposable hygienic product with radian and disposable hygienic product |
| CN114983679B (en) * | 2022-05-23 | 2023-07-07 | 瑞光（上海）电气设备有限公司 | Method and apparatus for manufacturing disposable diaper |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1162444A (en) * | 1996-01-31 | 1997-10-22 | 尤妮佳股份有限公司 | Disposable underwear for absorpting body fluid |
| WO2001028481A1 (en) * | 1999-10-15 | 2001-04-26 | Drypers Corporation | Disposable absorbent article with containment structure |
| CN1325670A (en) * | 2000-05-30 | 2001-12-12 | 尤妮佳股份有限公司 | Disposable napkin and production thereof |
| CN103263321A (en) * | 2013-06-06 | 2013-08-28 | 福建恒安集团有限公司 | Disposable absorption object |
| CN105473111A (en) * | 2013-08-22 | 2016-04-06 | 株式会社瑞光 | Disposable diaper manufacturing method and disposable diaper |
| CN107468426A (en) * | 2017-09-12 | 2017-12-15 | 黄山富田精工制造有限公司 | A kind of manufacture method of absorbent commodity |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0418182B8 (en) * | 2003-12-24 | 2021-06-22 | Dsg Technology Holdings Ltd | method and system for manufacturing an elastic composite for incorporation into a disposable absorbent garment |
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2018
- 2018-12-21 CN CN201811569523.2A patent/CN109758301B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1162444A (en) * | 1996-01-31 | 1997-10-22 | 尤妮佳股份有限公司 | Disposable underwear for absorpting body fluid |
| WO2001028481A1 (en) * | 1999-10-15 | 2001-04-26 | Drypers Corporation | Disposable absorbent article with containment structure |
| CN1325670A (en) * | 2000-05-30 | 2001-12-12 | 尤妮佳股份有限公司 | Disposable napkin and production thereof |
| CN103263321A (en) * | 2013-06-06 | 2013-08-28 | 福建恒安集团有限公司 | Disposable absorption object |
| CN105473111A (en) * | 2013-08-22 | 2016-04-06 | 株式会社瑞光 | Disposable diaper manufacturing method and disposable diaper |
| CN107468426A (en) * | 2017-09-12 | 2017-12-15 | 黄山富田精工制造有限公司 | A kind of manufacture method of absorbent commodity |
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| CN109758301A (en) | 2019-05-17 |
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Address after: 242700 No. 18 Penglai Road, Huangshan Economic Development Zone, Huangshan City, Anhui Province Applicant after: Huangshan Futian Precision Manufacturing Co., Ltd Address before: 242700 No. 18 Penglai Road, Huangshan Economic Development Zone, Huangshan City, Anhui Province Applicant before: HUANGSHAN FUTIAN JINGGONG MANUFACTURING Co.,Ltd. |
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