CN110013385B - Production method of trousers type absorbing article - Google Patents
Production method of trousers type absorbing article Download PDFInfo
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- CN110013385B CN110013385B CN201910399567.3A CN201910399567A CN110013385B CN 110013385 B CN110013385 B CN 110013385B CN 201910399567 A CN201910399567 A CN 201910399567A CN 110013385 B CN110013385 B CN 110013385B
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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
- A61F13/15577—Apparatus or processes for manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
- A61F13/15723—Partitioning batts; Cutting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15764—Transferring, feeding or handling devices; Drives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F2013/15821—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
- A61F2013/15861—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding
- A61F2013/15869—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding with ultrasonic energy
Abstract
The invention relates to the field of sanitary products, in particular to a production method of a trouser type absorption product, which mainly solves the problems that the sewing offset, sewing loss, incomplete sewing and incapability of detecting bad sewing of a trouser type absorption product production line in the prior art to cause the inflow of bad products into the market, and comprises the steps of welding the longitudinal two ends of a clothes layer to form a sewing area, carrying out on-line detection on the sewing area, and rejecting unqualified products in the subsequent process; a linear lighting device is arranged between the ultrasonic welding station and the cutting station, and a linear camera is arranged on the other side of the linear photo device; the host controller or the independently arranged controller acquires the production speed information of the host, determines the split line of each sewing area as an S base line, compares the sewing area shot by the line type camera with the S base line, determines whether the deviation between the sealing edge of the sewing area and the S base line is less than or equal to 3mm, and rejects defective products in subsequent working procedures if the deviation exceeds the S base line.
Description
Technical Field
The invention relates to the field of sanitary products, in particular to a production method of a trousers type absorbing product.
Background
The pants-type absorbing articles comprise pants-type products such as pants-type sanitary napkins, pants-type paper diapers and the like which are designed by adopting a 360-degree elastic waistline. Pant-type absorbent articles are generally constructed as follows: include the liquid-permeable surface course that the stromatolite set up from top to bottom in proper order, the absorption sandwich layer, liquid-tight bottom and clothing layer, this absorption sandwich layer is used for absorbing and keeps human excreta liquid, liquid-permeable surface course is used for providing comfortable and dry and comfortable sensation when contacting with the health, allow liquid freely to pass through simultaneously, get into the absorption sandwich layer of lower floor, liquid-tight bottom is formed by the waterproof film of gas permeability and hydrophobic nonwoven complex, be used for keeping the absorption liquid in the absorption sandwich layer, thereby prevent that the liquid that absorbs from making dirty the trousers of wearer, form 360 degrees elasticity waistlines through the horizontal both ends welded connection of clothing layer. It is convenient to use, leak protection nature is strong to it is little to wearing back to user's activity influence, consequently is used widely. However, the pant-type absorbent article has the following problems during the manufacturing process:
the transverse two ends of the front clothes layer and the transverse two ends of the rear clothes layer form a closed structure through ultrasonic welding, and the conveying stability is low under high-speed conveying, so that products can run, the welding positions are lack of sewing, incomplete in sewing and poor in sewing, and poor products are produced; in addition, in the existing disposable absorbent article industry, a relatively wide detection mode is that the detection of stains, phase detection and material loss through pattern and color difference cannot detect defective products with sewing offset, sewing loss, incomplete sewing and poor sewing on welding positions, and the defective products cannot be identified and rejected in subsequent packaging procedures, so that a lot of defective products flow into the market, and the use of consumers and the quality public praise of manufacturers are influenced.
Disclosure of Invention
Therefore, aiming at the problems, the invention provides a production method of a pants-type absorbent article, which mainly solves the problems that in the prior art, the pants-type absorbent article production line has sewing deviation, sewing loss, incomplete sewing and undetected sewing in a welding area, so that defective products flow into the market.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method of making a pant-type absorbent article comprising the steps of:
1) preparing a liquid-permeable surface layer;
2) preparing an absorption core layer;
3) preparing a liquid-impermeable bottom layer;
4) sequentially stacking the liquid-permeable surface layer, the absorption core layer and the liquid-impermeable bottom layer and fixedly connecting the liquid-permeable surface layer, the absorption core layer and the liquid-impermeable bottom layer into a whole;
5) cutting the product obtained in the step 4 into single products, defining that the product has a transverse direction along the length direction of the product and a longitudinal direction along the width direction of the product, and changing the transverse conveying of the single products into the longitudinal conveying of the single products;
6) preparing a clothing layer, and fixedly arranging the product obtained in the step 5 on the upper surface of the clothing layer;
7) folding the lateral side of the clothing layer together with the lateral end of the product of the step 6 upwards and inwards to enable the clothing layers on the two longitudinal sides of each product to be contacted with each other;
8) ultrasonically welding the garment layers on the two longitudinal sides of the product to form a waist opening and leg openings, and defining an ultrasonic welding area as a sewing area;
9) carrying out on-line detection on the sewing area, and rejecting unqualified products in the subsequent process;
10) cutting the detected product into single products along the longitudinal center line of the sewing area;
the aforementioned step 9 comprises the steps of:
91) defining a conveying plane where the product in the step 8 is positioned as an L-shaped base surface, wherein a linear lighting device is arranged on one side of the L-shaped base surface between the ultrasonic welding station in the step 8 and the slitting station in the step 10, the lighting range of the linear lighting device covers the sewing area in the step 8, and the shooting range of the linear camera is at least 40mm larger than that of the linear lighting device;
92) the other side of the L-shaped base surface is provided with a linear camera, and the shooting range of the linear camera covers the illumination range of the linear illumination device;
93) the host controller or the independently arranged controller acquires production speed information of the host, determines a split line of each sewing area as an S base line, compares the sewing area shot by the line type camera with the S base line, determines whether the deviation between the sealing edge of the sewing area and the S base line is less than or equal to 3mm, and rejects defective products in subsequent working procedures if the deviation exceeds the S base line;
94) comparing the sewing area shot by the linear camera with the sewing picture preset by the host controller or the independently arranged controller, and rejecting defective products in subsequent processes if sewing missing, incomplete and poor are generated; the pictures shot by the linear camera are color block matrixes displayed by welding spots of the linear area penetrated by light rays emitted by the linear lighting device.
Furthermore, the host controller or the independently arranged controller is connected with the display screen, and has a real-time image display function and a defective product image display function.
Further, the host controller or the independently arranged controller is connected with a memory, and the memory stores not less than 500 stored pictures.
By adopting the technical scheme, the invention has the beneficial effects that: the production method of the trousers type absorbing article, the trousers type absorbing article is between the ultrasonic process and the cutting process, the transverse direction and the longitudinal direction of the trousers type absorbing article are compounded with elastic rubber bands, the trousers type absorbing article is required to be clamped and conveyed in the conveying process, the sewing condition of the sewing area on the whole absorbing article can not be detected in the narrow space, the linear lighting device is arranged on the narrow space of the clamping and conveying device, the trousers type absorbing article is utilized to be conveyed in a single direction, the light emitted by the linear lighting device is shot by the linear camera to penetrate through the light of the welding spot of the sewing area on the trousers type sanitary article, the complete sewing area can be shot in the narrow space, because the light transmittance of the welding spot of the non-woven fabric after being welded by ultrasonic is larger than the light transmittance of the two layers of non-woven fabrics which are overlapped, the linear camera is used for shooting the presented color block matrix, and the distribution position of the color block matrix and the, thereby detecting the situations of sewing displacement, missing, incomplete and poor sewing of the trousers-type absorption article in the ultrasonic sewing process and reducing the situation that the poor products flow into the market; further, the shooting range of the linear camera is at least 40mm larger than the lighting range of the linear lighting device, and the linear camera is used for preventing errors caused by shaking of products; furthermore, the host controller or the controller which is independently arranged is connected with the display screen, has a real-time image display function and a defective product image display function, is favorable for operators to visually observe defective products, realizes manual detection, and improves the detection accuracy.
Drawings
FIG. 1 is a schematic diagram of a stitch qualified structure captured by a line camera in an embodiment of the invention;
FIG. 2 is a schematic diagram of a stitching offset captured by a line camera in an embodiment of the present invention;
FIG. 3 is a schematic diagram of a stitching miss structure captured by a line camera according to an embodiment of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and detailed description.
The embodiment of the invention is as follows:
a production method of a pants-type absorption article which is a pants-type sanitary towel comprises the following steps:
1) preparing a liquid-permeable surface layer;
2) preparing an absorption core layer;
3) preparing a liquid-impermeable bottom layer;
4) sequentially stacking the liquid-permeable surface layer, the absorption core layer and the liquid-impermeable bottom layer and fixedly connecting the liquid-permeable surface layer, the absorption core layer and the liquid-impermeable bottom layer into a whole;
5) cutting the product obtained in the step 4 into single products, defining that the product has a transverse direction along the length direction of the product and a longitudinal direction along the width direction of the product, and changing the transverse conveying of the single products into the longitudinal conveying of the single products;
6) preparing a clothing layer, and fixedly arranging the product obtained in the step 5 on the upper surface of the clothing layer;
7) folding the lateral side of the clothing layer together with the lateral end of the product of the step 6 upwards and inwards to enable the clothing layers on the two longitudinal sides of each product to be contacted with each other;
8) ultrasonically welding the garment layers on the two longitudinal sides of the product to form a waist opening and leg openings, and defining an ultrasonic welding area as a sewing area;
9) carrying out on-line detection on the sewing area, and rejecting unqualified products in the subsequent process;
10) cutting the detected product into single products along the longitudinal center line of the sewing area;
the aforementioned step 9 comprises the steps of:
91) defining a conveying plane where the product in the step 8 is located as an L-shaped base surface, wherein a linear lighting device is arranged on one side of the L-shaped base surface between the ultrasonic welding station in the step 8 and the slitting station in the step 10, the lighting range of the linear lighting device covers the sewing area in the step 8, and the linear photo device is a white LED linear lamp;
92) a line type camera is arranged on the other side of the L base surface, the shooting range of the line type camera is 40mm larger than the illumination range of the line type illumination device, and the line type camera is a line type camera of HL08M model manufactured by Kenzhi company;
93) the method comprises the steps that an independently arranged controller obtains production speed information of a host, a split line of each stitching region is determined as an S base line by referring to fig. 1 and fig. 2, the stitching region shot by a line type camera is compared with the S base line, whether the deviation between a sealing edge of the stitching region and the S base line is smaller than or equal to 3mm or not is determined, if the deviation exceeds the S base line, defective products are removed in subsequent working procedures, and the controller is an XG-8700L controller produced by Keynes;
94) comparing the sewing area shot by the linear camera with a sewing picture preset by an independently arranged controller, and rejecting defective products in subsequent processes if sewing missing (refer to fig. 3), incomplete sewing and poor sewing occur; the pictures shot by the linear camera are color block matrixes displayed by welding spots of the linear area penetrated by light rays emitted by the linear lighting device.
In this embodiment, the controller that sets up independently is connected with the display screen, has real-time image display function and defective product image display function.
In this embodiment, the controller that is independently provided is connected to a memory, which is a CD memory card and stores 600 stored pictures.
The working mode of the invention is as follows: the production method of the trousers type absorbing article, the trousers type absorbing article is between the ultrasonic technology and the cutting technology, the transverse direction and the longitudinal direction of the trousers type absorbing article are compounded with elastic rubber bands, the trousers type absorbing article needs to be clamped and conveyed in the conveying process, the sewing condition of the sewing area on the whole absorbing article can not be detected in the narrow space, the linear lighting device is arranged in the narrow space of the clamping and conveying device, the trousers type absorbing article is conveyed in a single direction, the light emitted by the linear lighting device is shot by the linear camera to penetrate through the welding spot of the sewing area on the trousers type sanitary article, the complete sewing area can be shot in the narrow space, the transmittance of the welding spot of the non-woven fabric after being welded by ultrasonic is larger than the transmittance of the two layers of non-woven fabrics which are overlapped, the linear camera recognizes the single light wave in the light after the white light penetrates through the welding spot, the linear camera is used for shooting the presented color block matrix and analyzing the distribution position of the color block matrix and the missing condition in the color block matrix, so that the conditions of sewing displacement, sewing missing, sewing incompleteness and sewing badness of the trousers-type absorbing article in the ultrasonic sewing process are detected, and the condition that the badness product flows into the market is reduced; furthermore, the shooting range of the linear camera is 40mm larger than the lighting range of the linear lighting device, and the linear camera is used for preventing errors caused by shaking of products; furthermore, the host controller or the controller which is independently arranged is connected with the display screen, has a real-time image display function and a defective product image display function, is favorable for operators to visually observe defective products, realizes manual detection, and improves the detection accuracy.
The sanitary towel prepared in the embodiment is a pants-type sanitary towel, and the method can also be used for pants-type baby diapers or pants-type adult diapers.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. A production method of a trousers type absorption article is characterized in that: the method comprises the following steps:
1) preparing a liquid-permeable surface layer;
2) preparing an absorption core layer;
3) preparing a liquid-impermeable bottom layer;
4) sequentially stacking the liquid-permeable surface layer, the absorption core layer and the liquid-impermeable bottom layer and fixedly connecting the liquid-permeable surface layer, the absorption core layer and the liquid-impermeable bottom layer into a whole;
5) cutting the product obtained in the step 4 into single products, defining that the product has a transverse direction along the length direction of the product and a longitudinal direction along the width direction of the product, and changing the transverse conveying of the single products into the longitudinal conveying of the single products;
6) preparing a clothing layer, and fixedly arranging the product obtained in the step 5 on the upper surface of the clothing layer;
7) folding the lateral side of the clothing layer together with the lateral end of the product of the step 6 upwards and inwards to enable the clothing layers on the two longitudinal sides of each product to be contacted with each other;
8) ultrasonically welding the garment layers on the two longitudinal sides of the product to form a waist opening and leg openings, and defining an ultrasonic welding area as a sewing area;
9) carrying out on-line detection on the sewing area, and rejecting unqualified products in the subsequent process;
10) cutting the detected product into single products along the longitudinal center line of the sewing area;
the aforementioned step 9 comprises the steps of:
91) defining a conveying plane where the product in the step 8 is positioned as an L-shaped base surface, wherein a linear lighting device is arranged on one side of the L-shaped base surface between the ultrasonic welding station in the step 8 and the slitting station in the step 10, the lighting range of the linear lighting device covers the sewing area in the step 8, and the shooting range of the linear camera is at least 40mm larger than that of the linear lighting device;
92) the other side of the L-shaped base surface is provided with a linear camera, and the shooting range of the linear camera covers the illumination range of the linear illumination device;
93) the host controller or the independently arranged controller acquires production speed information of the host, determines a split line of each sewing area as an S base line, compares the sewing area shot by the line type camera with the S base line, determines whether the deviation between the sealing edge of the sewing area and the S base line is less than or equal to 3mm, and rejects defective products in subsequent working procedures if the deviation exceeds the S base line;
94) comparing the sewing area shot by the linear camera with the sewing picture preset by the host controller or the independently arranged controller, and rejecting defective products in subsequent processes if sewing missing, incomplete and poor are generated; the pictures shot by the linear camera are color block matrixes displayed by welding spots of the linear area penetrated by light rays emitted by the linear lighting device.
2. A method of manufacturing a pant-type absorbent article according to claim 1, wherein: the host controller or the independently arranged controller is connected with the display screen, and has a real-time image display function and a defective product image display function.
3. A method of manufacturing a pant-type absorbent article according to claim 1, wherein: the host controller or the independently arranged controller is connected with the memory, and the stored pictures are not less than 500.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910399567.3A CN110013385B (en) | 2019-05-14 | 2019-05-14 | Production method of trousers type absorbing article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910399567.3A CN110013385B (en) | 2019-05-14 | 2019-05-14 | Production method of trousers type absorbing article |
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| CN110013385A CN110013385A (en) | 2019-07-16 |
| CN110013385B true CN110013385B (en) | 2021-05-04 |
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| CN201910399567.3A Active CN110013385B (en) | 2019-05-14 | 2019-05-14 | Production method of trousers type absorbing article |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111358624A (en) * | 2020-03-20 | 2020-07-03 | 杭州比因美特实业有限公司 | Preparation method of pull-up diaper for baby diapers |
| CN111449845B (en) * | 2020-05-06 | 2021-08-17 | 山东安森护理用品有限公司 | Full-automatic panty-shape diapers production processingequipment |
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| CN101203353A (en) * | 2005-06-21 | 2008-06-18 | 法麦凯尼柯设备有限责任公司 | A method and device for laser cutting articles, in particular sanitary products and components thereof, with a laser spot diameter between 0.1 and 0.3 mm |
| CN101304712A (en) * | 2005-12-07 | 2008-11-12 | Sca卫生产品股份公司 | Method for manufacturing absorbent product |
| US8117675B2 (en) * | 2007-05-07 | 2012-02-21 | Valerie Strange | Waterproof panty |
| JP5951502B2 (en) * | 2009-12-23 | 2016-07-13 | インヴィスタ テクノロジーズ エスアエルエル | Elastic products containing elastic polyolefin fibers |
| CN205758840U (en) * | 2016-05-20 | 2016-12-07 | 泉州市汉威机械制造有限公司 | A kind of Novel baby diaper |
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2019
- 2019-05-14 CN CN201910399567.3A patent/CN110013385B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101203353A (en) * | 2005-06-21 | 2008-06-18 | 法麦凯尼柯设备有限责任公司 | A method and device for laser cutting articles, in particular sanitary products and components thereof, with a laser spot diameter between 0.1 and 0.3 mm |
| CN101304712A (en) * | 2005-12-07 | 2008-11-12 | Sca卫生产品股份公司 | Method for manufacturing absorbent product |
| US8117675B2 (en) * | 2007-05-07 | 2012-02-21 | Valerie Strange | Waterproof panty |
| JP5951502B2 (en) * | 2009-12-23 | 2016-07-13 | インヴィスタ テクノロジーズ エスアエルエル | Elastic products containing elastic polyolefin fibers |
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