CN116392324A - Hollowed-out process and sanitary towel - Google Patents

Hollowed-out process and sanitary towel Download PDF

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Publication number
CN116392324A
CN116392324A CN202310253585.7A CN202310253585A CN116392324A CN 116392324 A CN116392324 A CN 116392324A CN 202310253585 A CN202310253585 A CN 202310253585A CN 116392324 A CN116392324 A CN 116392324A
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CN
China
Prior art keywords
roller
diversion
slice
layer
surface layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310253585.7A
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Chinese (zh)
Inventor
关启明
关锦添
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Qisheng Hygienic Products Co ltd
Foshan City Nanhai District Xiqiao Qifeng Health Products Co ltd
Original Assignee
Foshan Qisheng Hygienic Products Co ltd
Foshan City Nanhai District Xiqiao Qifeng Health Products Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan Qisheng Hygienic Products Co ltd, Foshan City Nanhai District Xiqiao Qifeng Health Products Co ltd filed Critical Foshan Qisheng Hygienic Products Co ltd
Priority to CN202310253585.7A priority Critical patent/CN116392324A/en
Publication of CN116392324A publication Critical patent/CN116392324A/en
Pending legal-status Critical Current

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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
    • 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
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
    • 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
    • A61F13/537—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53708—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
    • A61F13/53713—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction the layer having a promotional function on liquid propagation in the vertical direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/16—Delivering or advancing articles from machines; Advancing articles to or into piles by contact of one face only with moving tapes, bands, or chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/20—Delivering or advancing articles from machines; Advancing articles to or into piles by contact with rotating friction members, e.g. rollers, brushes, or cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Abstract

The invention discloses a hollowed-out process and a sanitary towel, which comprise a diversion layer, wherein a plurality of diversion layer units are sequentially arranged on the diversion layer along the conveying direction of the diversion layer, and the diversion layer units are provided with hollowed-out parts and sticking parts which are arranged at intervals along the conveying direction; s1, sequentially cutting out hollowed-out parts of the diversion layer units by the slice moving assembly to form slices and sucking the slices; s2, coating glue on the pasting part; s3, the slice moving assembly moves the slice in the S1 to the pasting part in the same diversion layer unit, and then the slice is pasted on the pasting part; s4, glue is smeared on the diversion layer unit; s5, the integration component sequentially cuts off and sucks the diversion layer units after the lamination and slicing; s6, the integration component moves the diversion layer unit of S5 and attaches the diversion layer unit to the plastering position of the surface layer, the slice is cut from the diversion layer unit in conveying, and the slice is moved backwards in phase, so that the slice is attached to the diversion layer unit of the same slice, no additional absorption material is needed for cutting and transferring, the occupied area of equipment is reduced, and meanwhile, the utilization rate of the diversion layer is improved.

Description

Hollowed-out process and sanitary towel
Technical Field
The invention relates to the field of sanitary towel manufacturing, in particular to a hollowed-out process and a sanitary towel.
Background
In order to improve the absorption and leakage-proof effect of the sanitary towel on the market, a sheet body is often cut out of some absorbent materials in the production process of the sanitary towel, then the cut sheet body is collected and transported, finally the cut sheet body is sequentially overlapped and attached to a guide sheet layer formed by cutting, and the waste material after the absorbent materials are cut is additionally wound up, however, more waste materials are generated when the production process is adopted, and the parts of conveying, cutting, transporting, pasting, winding and the like of the absorbent materials are required to be additionally arranged, so that the occupied area of the whole process equipment is large, and the debugging difficulty is high.
Disclosure of Invention
The invention aims to provide a hollowed-out process and a sanitary towel, which are used for solving one or more technical problems in the prior art and at least providing a beneficial choice or creation condition.
The invention solves the technical problems as follows:
a hollowed-out process, comprising: the diversion layer unit is provided with a hollowed-out part and a sticking part which are arranged at intervals along the conveying direction; s1, sequentially cutting out hollowed-out parts of the diversion layer units by the slice moving assembly to form slices and sucking the slices; s2, coating glue on the pasting part; s3, the slice moving assembly moves the slice in the S1 to the pasting part in the same diversion layer unit, and then the slice is pasted on the pasting part; s4, glue is smeared on the diversion layer unit or the surface layer; s5, the integration component sequentially cuts off and sucks the diversion layer units after the lamination and slicing; and S6, the integration component moves the diversion layer unit of the S5 and attaches the diversion layer unit to the surface layer.
The technical scheme has at least the following beneficial effects: the slice moving assembly cuts out hollowed-out parts in the diversion layer units one by one, the cut slices are attached to the attaching parts of the same diversion layer units, the integration assembly cuts down the diversion layer units and combines the sanitary napkins, the slice moving assembly cuts the diversion layer units in the conveying process, moves backwards in phase, cuts the slice onto the same diversion layer units, does not need to be additionally provided with an absorbing material for cutting, is attached to the diversion layer layers through transferring, reduces the occupied area of equipment, improves the utilization rate of the diversion layer layers, reduces waste materials, and when the sanitary napkins are used, the hollowed-out parts on the diversion layer units are concave to realize drainage and liquid concentration, and the slice bumps of the attaching parts realize flow blocking, so that a three-step structure can be formed in the inner diversion layer of one sanitary napkin, the efficiency of absorbing liquid of the sanitary napkins is improved, and the backward leakage of liquid is effectively prevented.
As the further improvement of above-mentioned technical scheme, move the piece subassembly and include getting material roller, bearing roller a, get material roller, bearing roller a to establishing the both sides of water conservancy diversion surface course, be equipped with cutter and negative pressure hole on getting material roller's the lateral wall, the cutter be with fretwork portion periphery assorted annular, the cutter encloses the negative pressure hole, wherein: after the cutter cuts out the slice along the hollowed-out part, the negative pressure hole sucks up the slice. The material taking roller and the carrier roller a continuously rotate, the linear speed of the material taking roller is consistent with the conveying speed of the diversion surface layer, the cutter is annular matched with the periphery of the hollowed-out part, the carrier roller a supports the diversion surface layer, the hollowed-out part can completely cut out and form slices under the matching action of the cutter and the carrier roller a, and meanwhile, the slices are sucked up through the negative pressure holes in the cutter, so that the slices can be removed from the cutting end along with the rotation of the material taking roller, and the transfer of the slices is realized.
As a further improvement of the above technical scheme, the sheet moving assembly comprises a transferring roller, a pressing device and a carrier roller b, which are all positioned at the downstream of the material taking roller, wherein a material sucking hole is arranged at the periphery of the transferring roller, a material receiving end and a material pressing end are arranged at the periphery of the pressing device, an air suction channel is arranged at the part from the material receiving end to the material pressing end, the transferring roller is respectively propped against the material taking roller and the material receiving end, the material pressing end and the carrier roller b are clamped at two sides of the diversion surface layer, wherein: the slice is transferred onto the transfer roller from the material taking roller through the material sucking holes, and then is adhered to the diversion surface layer after being transferred to the material pressing end along the material receiving end through the air sucking channel. The periphery of the material pressing device continuously moves from the material receiving end to the material pressing end, the moving direction is consistent with the conveying direction of the diversion layer, when the slice is transferred to the junction of the material taking roller and the transfer roller, the transfer roller simultaneously changes the conveying direction of the slice by sucking Kong Xizou slices until the slice moves to the material receiving end of the material pressing device along with the rotation of the transfer roller, the air suction channel drives the slice to move along the air suction channel towards the material pressing end, when the slice is taken between the material pressing end and the diversion layer, the sticking part of the cut diversion layer unit is conveyed to the material pressing end, so that the slice can be just stuck, the conveying direction of the slice during sticking is kept consistent with the conveying direction of the diversion layer, and the slice sticking effect is improved.
As a further improvement of the above technical solution, the material pressing device includes a negative pressure conveyor belt, and a first belt pulley and a second belt pulley supporting the negative pressure conveyor belt, the air suction channel is disposed on the negative pressure conveyor belt, the material receiving end is located between the first belt pulley and the transfer roller, the material pressing end is located between the second belt pulley and the carrier roller b, and the diameter of the second belt pulley is smaller than the conveying length of the slice. The negative pressure conveyer belt is carried circumferentially under the rotation of first band pulley and second band pulley, when the section removes to the swager end along with the negative pressure conveyer belt, because the diameter of second band pulley is less than the length of section along direction of delivery for the section can deviate from and laminate in pasting the portion naturally in second band pulley department, reduces the section and continues along with the possibility that swager shifted, reduces the section and leaks to paste, misplace the phenomenon, improves production efficiency.
As another improvement of the technical scheme, the material pressing device comprises a material pressing roller, and the material pressing roller is respectively abutted against the top surfaces of the transfer roller and the diversion surface layer and is divided into a material receiving end and a material pressing end. The material pressing roller takes away the slice from the material receiving end and continuously rotates until the slice moves to the material pressing end and is fixed on the pasting part, and the material pressing roller has a simple structure and is convenient to debug.
As another improvement of the technical scheme, the glue spraying opening acting on the sticking part is opposite to the diversion surface layer, and the material taking roller, the glue spraying opening and the carrier roller b are sequentially arranged along the conveying direction of the diversion surface layer. The glue spraying distance of the glue spraying opening is consistent with the gap between the hollow part and the viscose part, so that slicing and laminating accuracy is guaranteed, and the direction of the glue spraying opening is positioned between the cutting end of the slice and the laminating end of the slice, so that glue scraping and rubbing of the transfer roller in the cutting process is prevented, pollution is reduced, and the production quality of products is improved.
As another improvement of the above technical solution, the spacing between any adjacent hollowed-out portions and the adhering portions is L, and the circumference c=l of the material taking roller, where: after the material taking roller sucks the slice positioned in the hollowed-out part to rotate for a circle, the diversion surface layer moves along the conveying direction by a distance L, and the material taking roller sticks the slice to the sticking part of the same diversion layer unit. The material taking roller can jointly realize slicing cutting and laminating, so that the material taking roller rotates for a circle, a target slice can be cut out from the hollowed-out part of the diversion layer unit and corresponds to the pasting part pasted on the same diversion layer unit, the integrated cutting and pasting are realized, then the material taking roller rotates for a circle, the hollowed-out part of the next diversion layer unit is cut out, the space occupation is reduced, and the production cost is reduced.
As a further improvement of the technical scheme, the glue spraying opening acting on the sticking part is opposite to the diversion surface layer, and the glue spraying opening and the moving sheet component are sequentially arranged along the conveying direction of the diversion surface layer. Glue spraying mouth cuts out the section at the piece subassembly that moves and goes to pasting the portion and spray glue for get the material roller and can in time adhere the section on pasting the portion, the structure is reliable.
As another improvement of the above technical solution, the integration component includes a cutting roller, a carrier roller c and a carrier roller d, the cutting roller and the carrier roller c are clamped at two sides of the diversion layer, and the cutting roller is provided with blades matched with the diversion layer unit in shape, when the diversion layer moves between the cutting roller and the carrier roller c, the diversion layer unit can be cut in sequence, and the carrier roller c sucks up the cut diversion layer unit and sticks to the surface layer. The position where the diversion layer unit 210 is attached to the surface layer 180 is taken as a superposition end, the carrier roller d170 and the carrier roller c160 are positioned at two sides of the superposition end, and the cut diversion layer unit 210 is absorbed by the carrier roller c160 and transported to the superposition end, so that the diversion layer unit 210 can be attached to the surface layer 180.
The invention also comprises a sanitary towel, wherein the axis extends along the front-back direction, the sanitary towel comprises a surface layer, a flow guide layer and a surface layer which are sequentially overlapped from top to bottom, the flow guide layer comprises a layer body and a slice, the slice is taken out from the layer body, a liquid collecting hole is formed in the layer body, and the slice is attached to the layer body and is arranged behind the liquid collecting hole at intervals along the central axis.
The technical scheme has at least the following beneficial effects: when the sanitary towel is used, the hollow part concave part on the flow guiding layer unit is used for realizing drainage and liquid gathering, meanwhile, the loose section of the hollow part can be used for absorbing and penetrating liquid, and the section of the sticking part is raised to realize flow blocking, so that a three-step structure can be formed on the inner flow guiding layer of one sanitary towel, the liquid absorbing efficiency of the sanitary towel is improved, the liquid is effectively prevented from leaking backwards, the utilization rate of the flow guiding layer is improved, the absorption and leakage-proof effects of the sanitary towel are enhanced, and the use experience of a user is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the invention, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic illustration of a first embodiment of the present invention;
FIG. 2 is a top view of a sanitary napkin provided in the present invention;
FIG. 3 is a side cross-sectional view of a sanitary napkin provided in the present invention;
fig. 4 is a hollowed-out process provided in the second embodiment of the invention;
fig. 5 is a hollowed-out process according to a third embodiment of the present invention.
In the accompanying drawings: 110-diversion surface layer, 111-hollowed part, 112-pasting part, 121-material taking roller, 122-carrier roller a, 130-transfer roller, 141-material pressing roller, 142-carrier roller b, 150-cutting roller, 160-carrier roller c, 170-carrier roller d, 180-surface layer, 210-diversion layer unit, 310-slicing, 320-layer body, 410-negative pressure conveyor belt, 420-first belt pulley and 430-second belt pulley.
Detailed Description
The conception, specific structure, and technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present invention. It is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present invention based on the embodiments of the present invention. In addition, all connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to a connection structure that may be better formed by adding or subtracting connection aids depending on the particular implementation. The technical features of the invention can be interactively combined on the premise of no contradiction and conflict.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1, 2 and 3, the diversion layer 110 is sequentially provided with a plurality of diversion layer units 210 along a conveying direction, and the diversion layer units 210 are provided with hollowed-out parts 111 and sticking parts 112 which are arranged at intervals along the conveying direction, wherein the hollowed-out process of the invention comprises: s1, sequentially cutting out the hollowed-out parts 111 of the diversion layer unit 210 by the slice moving assembly to form slices 310 and sucking up the slices; s2, coating glue on the pasting part 112; s3, continuously conveying the diversion layer 110, and after the slice 310 in the S1 is moved to the pasting part 112 in the same diversion layer unit 210 by the slice moving assembly, pasting the slice 310 on the pasting part 112; s4, continuously conveying the surface layer 180, and coating glue on the diversion layer unit or the surface layer 180 after the slice 310 is attached; s5, the integration component sequentially directly cuts and sucks the diversion layer units 210 after the lamination and slicing 310; s6, the integration component moves the diversion layer unit 210 of S5, and sequentially attaches the diversion layer unit 210 to the glue smearing position of the surface layer 180.
The film moving assembly in this embodiment includes a material taking roller 121, a carrier roller a122, and a transfer roller 130, a pressing device, and a carrier roller b142, which are all located downstream of the material taking roller 121.
The material taking roller 121 and the carrier roller a122 are oppositely arranged on two sides of the diversion surface layer 110, the material taking roller 121 and the carrier roller a122 are propped against the diversion surface layer 110, a cutter and a negative pressure hole are arranged on the side wall of the material taking roller, the cutter is in a ring shape matched with the periphery of the hollowed-out part, and the cutter encloses the negative pressure hole.
Moreover, the periphery of the transfer roller 130 is provided with a suction hole, the periphery of the pressing device is provided with a receiving end and a pressing end, the part from the receiving end to the pressing end of the pressing device is provided with a suction channel, the transfer roller 130 is respectively propped against the material taking roller 121 and the receiving end, and the pressing end and the carrier roller b142 are clamped at two sides of the diversion surface layer 110. The pressing device in this embodiment includes a pressing roller 141, where the pressing roller 141 is respectively abutted against the top surfaces of the transfer roller 130 and the diversion surface layer 110 and has the material receiving end and the material pressing end, and the air suction channel is an air suction hole on the surface of the pressing roller 141.
Specifically, during production, the material taking roller 121 and the carrier roller a122 continuously rotate, the linear speed of the material taking roller 121 is consistent with the conveying speed of the diversion surface layer 110, the cutter is annular matched with the periphery of the hollowed-out part, the carrier roller a supports the diversion surface layer, the hollowed-out part can completely cut out under the matching action of the cutter and the carrier roller a and form a slice, meanwhile, the negative pressure hole in the cutter sucks up the slice, the slice can be removed from the cutting end along with the rotation of the material taking roller, the slice 310 can be removed from the cutting end along with the rotation of the material taking roller 121, the material taking roller 121 and the carrier roller a122 cut out the hollowed-out part 111 one by one, when the slice 310 is transferred to the junction of the material taking roller 121 and the transfer roller 130, the conveying direction of the slice 310 is changed simultaneously, the material pressing roller 141 continuously rotates until the slice 310 moves to the material receiving end of the material pressing roller 141 along the rotation of the transfer roller 130, the suction channel drives the slice 310 to move along the material pressing end, the suction channel, the cut-out end is moved along with the rotation of the material pressing end along with the rotation of the material pressing roller 110, the suction channel, the cut-out end is enabled to be removed from the cutting end along with the rotation of the material pressing end, the cutting end along with the rotation of the material pressing unit, the cut-out unit 210 is enabled to be in the same direction as the conveying direction as the slice 310, the slice is, the conveying direction is enabled to be kept consistent with the conveying direction of the slice 310, and the slice conveying direction is kept at the conveying direction, and the slice conveying direction is just when the slice and the slice is kept in the conveying direction is at the conveying direction and has a good quality.
The length of the cutter is 0.01 cm-0.02 cm, and the hardness of the cutter is higher than that of the carrier roller a122, so that the cutter is prevented from being damaged. In addition, in some embodiments, a cutting groove may be formed on the side wall of the carrier roller a122 at a position corresponding to the engagement of the cutting knife, in addition, a cutting knife may be formed on the side wall of the carrier roller a122, the cutting knife is in a ring shape matched with the periphery of the hollowed-out portion 111, a cutting groove and a negative pressure hole are formed on the side wall of the material taking roller 121, and the cutting groove encloses the negative pressure hole. When the rotated cutter is engaged with the cutting groove, the hollowed-out part 111 completely cuts out the cut piece 310 under the action of the cutter, and meanwhile, the negative pressure hole in the cutting groove or the negative pressure hole in the cutter sucks up the cut piece 310.
It should be noted that, the cutter corresponds to a slot when cutting each time, preventing the cutter from being damaged, and improving the cutting effect of the hollowed-out portion 111. And, the part of the cutter acting on the diversion surface layer 110 is taken as a cutting end, the cutting period of the cutter is matched with the period of the hollowed-out part 111 passing through the cutting end, and the accurate cutting of the slice 310 is ensured. In addition, the step S2 of the hollowed-out process may be implemented before the step S1 or after the step S1, and the like, and the listed order of the steps is not necessarily the production order.
The slice 310 is cut from the guiding layer unit 210 in conveying and moves backwards in phase, so that the slice 310 is cut and stuck on the same guiding layer unit 210, and a conveying route of an absorbing material is not required to be additionally arranged, namely, the absorbing material is not required to be cut, transported and stuck on the guiding layer and rolled, the occupied area of equipment is reduced, the utilization rate of the guiding layer is improved, waste materials are reduced, when the sanitary towel is used, the hollowed-out part 111 on the guiding layer unit 210 is concave to realize drainage and liquid collection, and the slice 310 of the sticking part 112 is uplifted to realize flow blocking, so that a three-step structure is formed in the inner guiding layer of one sanitary towel, the liquid absorption efficiency of the sanitary towel is improved, and the backward leakage of the liquid is effectively prevented.
In this embodiment, the diversion layer unit 210 is adhered to the surface layer 180, in fact, the surface layer 180 may be a sheet layer laminated on any side of two sides of the diversion layer unit 210, and in fact, may be a layer structure possibly adhered in the production of a sanitary towel such as a non-woven fabric, a toilet paper, a water-repellent layer, or even an activated carbon surface layer, which is not limited by the material of the surface layer 180 or on which side of the diversion layer unit 210.
In addition, in order to ensure the same piece of dicing, when glue is applied to the surface layer 180, the glue is applied to the surface layer 180 at intervals with a space between two adjacent diversion layer units 210.
In this embodiment, the integrated component includes a cutting roller 150, a carrier roller c160 and a carrier roller d170, the cutting roller 150 and the carrier roller c160 are clamped at two sides of the diversion surface layer 110, and the cutting roller 150 is provided with blades matching with the diversion layer unit 210 in shape, and when the diversion layer moves between the cutting roller 150 and the carrier roller c160, the diversion layer unit 210 can be cut in sequence. The position where the diversion layer unit 210 is attached to the surface layer 180 is taken as a superposition end, the carrier roller d170 and the carrier roller c160 are positioned at two sides of the superposition end, and the cut diversion layer unit 210 is absorbed by the carrier roller c160 and transported to the superposition end, so that the diversion layer unit 210 can be attached to the surface layer 180.
In actual production, glue is typically applied to the diversion layer unit 210 after the lamination of the slice 310, and the diversion layer unit 210 is transferred to the surface layer 180 around the carrier roller c160 for lamination after being cut off. Alternatively, the glue may be applied to the surface layer 180 at a location upstream of the lamination end, so that the lamination of the air guiding layer unit 210 may be achieved. In addition, the cutting roller 150 directly cuts the guide surface layer 110, so that the guide surface layer 110 is directly cut into a plurality of guide surface layer units 210, and then is sucked and transferred by the carrier roller c160, thereby facilitating cutting, avoiding waste in the cutting process and further avoiding winding the guide surface layer 110.
In this embodiment, the rotation axes of the carrier roller a122, the carrier roller b142, the carrier roller c160, the carrier roller d170, the material taking roller 121, the transfer roller 130, the material pressing roller 141 and the cutting roller 150 are parallel to each other, and the material taking roller 121, the transfer roller 130, the material pressing roller 141 and the carrier roller c160 all adjust the adsorption force to the material through the air distribution disc.
Referring to fig. 4, in order to reduce the phenomena of missing and misplacement of the slice 310, the moving assembly in the second embodiment includes a material taking roller 121, a carrier roller a122, and a transfer roller 130, a material pressing device and a carrier roller b142 all located at the downstream of the material taking roller 121, wherein the material taking roller 121 and the carrier roller a122 are oppositely disposed at two sides of the diversion surface layer 110, a cutter and a negative pressure hole are disposed on the side wall of the material taking roller 121, the cutter is in a ring shape matched with the periphery of the hollowed-out portion 111, and encloses the negative pressure hole, wherein the material pressing device includes a negative pressure conveying belt 410, and a first belt pulley 420 and a second belt pulley 430 supporting the negative pressure conveying belt 410, the material taking roller 121, the transfer roller 130 and the negative pressure conveying belt 410 are sequentially abutted, the air suction channel is disposed on the negative pressure conveying belt 410, the material receiving end is located between the first belt pulley 420 and the transfer roller 130, the material pressing end is located between the second belt pulley 430 and the carrier roller b142, and the diameter of the second belt pulley 430 is smaller than the conveying length of the slice 310.
Specifically, the cut piece 310 cut from the cutting end moves to the transfer roller 130 along with the material taking roller 121 and is transferred, then rotates to the material receiving end of the negative pressure conveyer belt 410 along with the transfer roller 130, the negative pressure conveyer belt 410 is conveyed circumferentially under the rotation of the first belt pulley 420 and the second belt pulley 430, when the cut piece 310 moves to the material pressing end along with the negative pressure conveyer belt 410, because the diameter of the second belt pulley 430 is smaller than the length of the cut piece 310 along the conveying direction, the cut piece 310 can naturally deviate from the second belt pulley 430 and is attached to the attaching part 112 under the self resilience force, the possibility that the cut piece 310 continues to be transferred along with the material pressing device is reduced, the phenomena of missing attachment and wrong attachment of the cut piece 310 are reduced, and the production efficiency is improved. It should be noted that, because the cut sheet 310 may be transferred between the material taking roller 121, the transferring roller 130 and the first belt wheel 420, respectively, the diameters of the material taking roller 121, the transferring roller 130 and the first belt wheel 420 are all larger than the conveying length of the cut sheet 310, so as to ensure the operation of the apparatus.
In this embodiment, the glue spraying opening acting on the adhesive portion 112 is opposite to the diversion surface layer 110, and the material taking roller 121, the glue spraying opening and the carrier roller b142 are sequentially disposed along the conveying direction of the diversion surface layer 110.
Specifically, the glue spraying distance of the glue spraying opening is consistent with the gap between the hollowed-out part 111 and the glue adhering part, so that the slice 310 is accurately adhered, and the direction of the glue spraying opening is positioned between the cutting end of the slice 310 and the adhering end of the slice 310, so that glue scraping of the transfer roller 130 in the cutting process is prevented, pollution is reduced, and the production quality of products is improved.
Referring to fig. 5, in order to further reduce the space occupied by the apparatus and reduce the production cost, in the third embodiment, the sheet moving assembly includes a material taking roller 121 and a carrier roller a122, the material taking roller 121 and the carrier roller a122 are opposite to each other and are disposed on two sides of the flow guiding surface layer 110, a cutter and a negative pressure hole are disposed on a side wall of the material taking roller, the cutter is in an annular shape matched with the periphery of the hollowed-out portion, the cutter encloses the negative pressure hole, the spacing between any adjacent hollowed-out portion and the sticking portion is L, and the perimeter c=l of the material taking roller, where: after the material taking roller sucks the slice positioned in the hollowed-out part to rotate for a circle, the diversion surface layer moves along the conveying direction by a distance L, and the material taking roller sticks the slice to the sticking part of the same diversion layer unit.
In addition, a cutting groove may be formed on the material taking roller 121, n cutters are formed on the carrier roller a122, the circumference of the carrier roller a122 is 2n times of the circumference of the material taking roller 121, and the specific process is as follows: s1, coating glue on the sticking part 112; s2, after the cutter is meshed with the cutting groove, the cutter cuts out a slice 310 along the hollowed-out part 111, and a negative pressure hole in the cutting groove sucks up the slice 310; s3, the diversion surface layer 110 moves by a distance L, the circumference C=L of the material taking roller 121, and the slice 310 is aligned to and attached to the attaching part 112 of the same diversion unit after rotating along with the material taking roller 121 for one circle; s4, glue is smeared on the diversion layer unit 210; s5, the integration component sequentially cuts off and sucks up the diversion layer units 210 after the lamination and slicing 310; s6, the integration component moves and attaches the diversion layer unit 210 of S5 to the glue coating position of the surface layer 180. In fact, in the above embodiments, the take-off roller may not be provided with a slit.
The material taking roller 121 in this embodiment can jointly realize cutting and laminating of the slice 310, so that the material taking roller 121 rotates for a circle, the target slice 310 can be cut out from the hollowed-out part 111 of the diversion layer unit 210 and correspondingly attached to the attaching part 112 on the same diversion layer unit 210, the integrated cutting and laminating are realized, space occupation is reduced, meanwhile, the circumference of the carrier roller a122 is double the circumference of the material taking roller 121, the number of cutters is n along the central array of the carrier roller a122 correspondingly, after the material taking roller 121 rotates for two circles, the cutting grooves on the cutters can be correspondingly matched with the cutters, meanwhile, the cutter can be prevented from influencing the laminating process of the slice 310, and the production effect is ensured.
In addition, in this embodiment, the glue spraying opening acting on the adhesive part 112 is opposite to the guide surface layer 110, and the glue spraying opening and the moving sheet assembly are sequentially arranged along the conveying direction of the guide surface layer 110.
Specifically, the glue spraying port sprays glue on the pasting part 112 before the slice 310 is cut out by the slice moving assembly, so that the material taking roller 121 can timely adhere the slice 310 on the pasting part 112, and the structure is reliable.
The invention relates to a hollowed-out device, which in some embodiments comprises a sheet moving assembly, wherein the sheet moving assembly comprises a material taking roller 121, a carrier roller a122, a transfer roller 130, a material pressing device and a carrier roller b142, wherein the transfer roller 130, the material pressing device and the carrier roller b142 are respectively positioned at the downstream of the material taking roller 121, the material taking roller 121 and the carrier roller a122 are oppositely arranged at two sides of a diversion surface layer 110, the material pressing device and the carrier roller b142 are oppositely arranged at two sides of the diversion surface layer 110, and meanwhile, the material taking roller 121, the transfer roller 130 and the material pressing device are sequentially abutted, so that a slice 310 can be sequentially transferred back to the diversion surface layer 110 through the material taking roller 121, the transfer roller 130 and the material pressing device after being taken down from the diversion surface layer 110.
Specifically, the periphery of the pressing device continuously moves from the material receiving end to the material pressing end, the moving direction is consistent with the conveying direction of the diversion layer 110, when the slice 310 is transferred to the junction of the material taking roller 121 and the transferring roller 130, the transferring roller 130 passes through the suction material Kong Xizou slice 310 and simultaneously changes the conveying direction of the slice 310 until the slice 310 moves to the material receiving end of the pressing device along with the rotation of the transferring roller 130, the air suction channel drives the slice 310 to move along the air suction channel to the material pressing end, when the slice 310 is taken between the material pressing end and the diversion layer 110, the pasting part 112 of the cut diversion layer unit 210 is conveyed to the material pressing end, so that the slice 310 can be just pasted, the conveying direction of the slice 310 in pasting is consistent with the conveying direction of the diversion layer, and the pasting effect of the slice 310 is improved
In practice, the nip may be just one nip roll 141 or an assembly of negative pressure belts 410, with the first pulley 420 and the second pulley 430 in the negative pressure belts 410 abutting the transfer roll 130 and the guide surface layer 110, respectively.
In other embodiments, the film moving component of the hollowed-out device may also include a material taking roller 121 and a carrier roller a122, where the material taking roller 121 and the carrier roller a122 are opposite to each other and are disposed on two sides of the diversion surface layer 110, the spacing between any adjacent hollowed-out portions 111 and the adhering portions 112 is L, the perimeter c=l of the material taking roller 121, a cutter and a negative pressure hole are disposed on a sidewall of the material taking roller, the cutter is in an annular shape matched with the periphery of the hollowed-out portions, the cutter encloses the negative pressure hole, and the number of cutters is 1.
The hollowed-out device can cut, transfer and paste the slice 310 on the same roller, so that the occupied space is reduced, and the device is convenient to install.
Referring to fig. 2 and 3, the present invention further includes a sanitary towel, wherein the axis extends in the front-rear direction, the sanitary towel includes a surface layer, a flow guiding layer, and a surface layer 180 sequentially stacked from top to bottom, the flow guiding layer includes a layer 320 and a slice 310, the slice 310 is taken out from the layer 320, so that a liquid collecting hole is formed on the layer 320, and the slice 310 is attached to the layer 320 and is disposed at a distance along the central axis behind the liquid collecting hole.
Specifically, when the sanitary towel is used, the hollowed-out parts 111 and the sticking parts 112 are arranged at intervals along the extending direction of the central axis of the sanitary towel, the hollowed-out parts 111 on the diversion layer unit 210 are removed to form liquid collecting holes, the concave parts of the hollowed-out parts are opposite to the liquid discharging parts, drainage and liquid collection are realized, meanwhile, the loose tangential surfaces at the liquid collecting holes can also realize absorption and permeation of liquid, the sections 310 of the sticking parts 112 are raised, the raised parts are positioned in the seams to realize flow resistance, so that a three-step structure can be formed on the inner diversion layer of one sanitary towel along the central axis direction of the sanitary towel, the liquid absorption efficiency of the sanitary towel is further improved, the backward leakage of the liquid is effectively prevented, the utilization rate of the diversion layer is improved, the absorption and leakage-proof effects of the sanitary towel are enhanced, and the use experience of a user is improved.
In practice, after the diversion layer unit 210 is attached to the surface layer 180, the surface layer is subsequently attached and cut to form a sanitary towel unit, where the surface layer may be a nonwoven fabric, and the surface layer 180 may be an overlapping of a water-absorbing material and a water-repellent material.
While the preferred embodiments of the present invention have been illustrated and described, the present invention is not limited to the examples, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present invention, and these equivalent modifications and substitutions are intended to be included in the scope of the present invention as defined in the appended claims.

Claims (10)

1. A hollowed-out process is characterized in that: the method comprises the following steps:
the diversion surface layer (110) is sequentially provided with a plurality of diversion layer units (210) along the conveying direction, and the diversion layer units (210) are provided with hollowed-out parts (111) and sticking parts (112) which are arranged at intervals along the conveying direction;
s1, sequentially cutting out hollowed-out parts (111) of a diversion layer unit (210) by a slice moving assembly to form slices (310) and sucking the slices;
s2, coating glue on the pasting part (112);
s3, after the slice moving assembly moves the slice (310) in the S1 to the pasting part (112) in the same diversion layer unit (210), pasting the slice (310) on the pasting part (112);
s4, glue is smeared on the diversion layer unit (210) or the surface layer (180);
s5, the integration component sequentially cuts off and sucks up the diversion layer units (210) after the lamination and slicing (310);
s6, the integration component moves the diversion layer unit (210) of the S5 and attaches the diversion layer unit to the surface layer (180).
2. A hollowing process according to claim 1, wherein: the sheet moving assembly comprises a material taking roller (121) and a carrier roller a (122), wherein the material taking roller (121) and the carrier roller a (122) are oppositely arranged on two sides of the diversion surface layer (110), a cutter and a negative pressure hole are formed in the side wall of the material taking roller (121), the cutter is annular matched with the periphery of the hollowed-out part (111), and the cutter encloses the negative pressure hole, wherein:
after the cutter cuts out the slice (310) along the hollowed-out part (111), the negative pressure hole sucks up the slice (310).
3. A hollowing process according to claim 2, wherein: the sheet moving assembly comprises a transfer roller (130), a pressing device and a carrier roller b (142) which are all positioned at the downstream of a material taking roller (121), wherein a material sucking hole is formed in the periphery of the transfer roller (130), a material receiving end and a material pressing end are arranged on the periphery of the pressing device, an air suction channel is formed in the part from the material receiving end to the material pressing end, the transfer roller (130) is respectively propped against the material taking roller (121) and the material receiving end, the material pressing end and the carrier roller b (142) are clamped at two sides of a diversion surface layer (110), and the sheet moving assembly comprises the following components:
the slice (310) is transferred from the material taking roller (121) to the transferring roller (130) through the material sucking holes, and then the slice (310) is stuck on the diversion surface layer (110) after moving to the material pressing end along the material receiving end through the air sucking channel.
4. A hollowing process according to claim 3, wherein: the material pressing device comprises a negative pressure conveying belt (410), and a first belt wheel (420) and a second belt wheel (430) which are used for supporting the negative pressure conveying belt (410), wherein the air suction channel is arranged on the negative pressure conveying belt (410), the material receiving end is positioned between the first belt wheel (420) and the transfer roller (130), the material pressing end is positioned between the second belt wheel (430) and the carrier roller b (142), and the diameter of the second belt wheel (430) is smaller than the conveying length of the slice (310).
5. A hollowing process according to claim 3, wherein: the material pressing device comprises a material pressing roller (141), wherein the material pressing roller (141) is respectively abutted against the top surfaces of the transfer roller (130) and the diversion surface layer (110) and comprises a material receiving end and a material pressing end.
6. A hollowing process according to claim 3, wherein: the glue spraying opening acting on the pasting part (112) is opposite to the diversion surface layer (110), and the material taking roller (121), the glue spraying opening and the carrier roller b (142) are sequentially arranged along the conveying direction of the diversion surface layer (110).
7. A hollowing process according to claim 2, wherein: the interval between any adjacent hollowed-out parts (111) and the sticking parts (112) is L, and the circumference C=L of the material taking roller, wherein:
after the material taking roller (121) sucks up the slice positioned on the hollowed-out part (111) to rotate for a circle, the diversion surface layer (110) moves for a distance L along the conveying direction, and the material taking roller (121) sticks the slice (310) to the sticking part (112) of the same diversion layer unit (210).
8. The process according to claim 7, wherein: the glue spraying opening acting on the sticking part (112) is opposite to the diversion surface layer (110), and the glue spraying opening and the moving sheet component are sequentially arranged along the conveying direction of the diversion surface layer (110).
9. A hollowing process according to claim 1, wherein: the integrated assembly comprises a cutting roller (150), a carrier roller c (160) and a carrier roller d (170), wherein the cutting roller (150) and the carrier roller c (160) are clamped on two sides of the diversion surface layer (110), blades matched with the diversion layer unit (210) in shape are arranged on the cutting roller (150), and when the diversion sheet layer moves between the cutting roller (150) and the carrier roller c (160), the diversion layer unit (210) can be sequentially cut, and the carrier roller c (160) sucks the cut diversion layer unit (210) and is attached to the surface layer (180).
10. The utility model provides a sanitary towel, wherein the axis extends along fore-and-aft direction, sanitary towel top-down is including superimposed surface layer, guiding layer, surface layer (180) in proper order, its characterized in that, guiding layer includes layer body (320) and section (310), section (310) are taken out from layer body (320) for form on layer body (320) and gather the liquid hole, section (310) laminating is in layer body (320) and follow the axis interval sets up gather the rear in liquid hole.
CN202310253585.7A 2023-03-15 2023-03-15 Hollowed-out process and sanitary towel Pending CN116392324A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310253585.7A CN116392324A (en) 2023-03-15 2023-03-15 Hollowed-out process and sanitary towel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310253585.7A CN116392324A (en) 2023-03-15 2023-03-15 Hollowed-out process and sanitary towel

Publications (1)

Publication Number Publication Date
CN116392324A true CN116392324A (en) 2023-07-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310253585.7A Pending CN116392324A (en) 2023-03-15 2023-03-15 Hollowed-out process and sanitary towel

Country Status (1)

Country Link
CN (1) CN116392324A (en)

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