WO2014006834A1 - 搬送方法、使い捨て着用物品の製造方法、並びに着用物品、及び搬送装置 - Google Patents
搬送方法、使い捨て着用物品の製造方法、並びに着用物品、及び搬送装置 Download PDFInfo
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- WO2014006834A1 WO2014006834A1 PCT/JP2013/003828 JP2013003828W WO2014006834A1 WO 2014006834 A1 WO2014006834 A1 WO 2014006834A1 JP 2013003828 W JP2013003828 W JP 2013003828W WO 2014006834 A1 WO2014006834 A1 WO 2014006834A1
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- speed
- holding
- web
- processed
- delivery
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Classifications
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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
-
- 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
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15804—Plant, e.g. involving several steps
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/0076—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised in that the layers are not bonded on the totality of their surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
- B32B37/1292—Application of adhesive selectively, e.g. in stripes, in patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
- B32B37/18—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H39/00—Associating, collating, or gathering articles or webs
- B65H39/14—Associating sheets with webs
-
- 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
-
- 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
- A61F2013/1591—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding via adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2555/00—Personal care
- B32B2555/02—Diapers or napkins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/30—Orientation, displacement, position of the handled material
- B65H2301/33—Modifying, selecting, changing orientation
- B65H2301/332—Turning, overturning
- B65H2301/3321—Turning, overturning kinetic therefor
- B65H2301/33216—Turning, overturning kinetic therefor about an axis perpendicular to the direction of displacement and to the surface of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/30—Orientation, displacement, position of the handled material
- B65H2301/33—Modifying, selecting, changing orientation
- B65H2301/332—Turning, overturning
- B65H2301/3322—Turning, overturning according to a determined angle
- B65H2301/33222—90°
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2406/00—Means using fluid
- B65H2406/30—Suction means
- B65H2406/34—Suction grippers
- B65H2406/345—Rotary suction grippers
- B65H2406/3454—Rotary suction grippers performing oscillating movement during rotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/57—Diaper manufacture
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
Definitions
- the present invention relates to a technique for receiving a processed part at a specified receiving position and transporting the processed part to the delivery position so that the speed of the processed part changes between the received position and the specified delivery position.
- Patent Document 1 Conventionally, for example, a transfer device described in Patent Document 1 is known.
- a conveying device described in Patent Document 1 includes a driving wheel that rotates at a constant speed by a driving force of a motor, and a plurality of adsorbers that are attached to the driving wheel via a plurality of crank arms and hold a processed product. And a base portion that rotatably supports the drive wheel.
- Each crank arm is attached to the drive wheel so as to be rotatable around a rotation center parallel to the rotation center of the drive wheel. Further, a shift cam roller that is movable along a shift cam groove formed in the base portion is provided at a position separated from the rotation center of each crank arm. The speed change cam groove is provided eccentric to the center of the drive wheel.
- the distance from the center of the drive wheel to the shift cam roller periodically changes according to the positional relationship between the shift cam roller and the shift cam groove. That is, the crank arm swings forward or backward in the rotational direction of the drive wheel in accordance with the rotation of the drive wheel. By this swinging, the angular velocity of each adsorbent changes according to the rotation of the drive wheels.
- the processed product is received at the receiving position, and the processed product is transferred to the delivery position so that the speed of the processed product is changed between the receiving position and the delivery position. Can do.
- Patent Document 1 realizes the shifting of each adsorbent by a mechanical configuration (shifting cam roller and shifting cam groove). Therefore, it is difficult to set a plurality of speeds at the delivery position of the processed product.
- a plurality of speeds at the delivery position of the workpiece can be set by driving the motor at a constant speed higher or lower than usual.
- the speed of the motor is changed, the period at which each adsorbent (processed product) faces the delivery position also changes, and the conveyance quantity per unit time changes.
- An object of the present invention is to provide a transport method capable of transporting a processed part to a delivery position at a plurality of different speeds while maintaining a transport quantity per unit time, a method for manufacturing a disposable worn article, a worn article, and a transport device. It is to provide.
- the present invention is a method for transporting a processed part from a specified receiving position to a specified delivery position, wherein a first holding part capable of receiving the processed part at the receiving position is supported via a transmission mechanism.
- a speed change step in which the speed of the first holding portion is changed by the speed change mechanism between the receiving position and a specified relay position by rotating the driving wheel at a constant speed, and a second holding capable of holding the processed component.
- the speed of the part becomes a receiving speed at which the processed part can be received from the first holding part at the relay position, and a prescribed delivery speed is obtained at the delivery position, and the second holding part has the relay at a prescribed period.
- the present invention is an apparatus for transporting a processed part from a specified receiving position to a specified delivery position, wherein the first holding part capable of receiving the processed part at the receiving position, and the first holding part
- the driving wheel to be supported, the driving source for the driving wheel that rotates the driving wheel at a constant speed, and the speed of the first holding unit between the receiving position and a specified relay position by rotating the driving wheel at a constant speed.
- a transmission having a speed change mechanism interposed between the first holding portion and the drive wheel, a second holding portion capable of holding the processed component, and the second holding portion being driven to rotate.
- the holding portion drive source, and the second holding portion has a receiving speed at which the processed part can be received from the first holding portion at the relay position, and a specified delivery speed at the delivery position, and The second holding part is in a prescribed cycle
- a rotation control device having a control unit for controlling the speed of the holding unit drive source so as to reach the relay position and the delivery position, and the control unit of the rotation control device maintains the cycle.
- a delivery device capable of changing the delivery speed is provided.
- the present invention is a method of manufacturing a disposable wearing article having a basic part and a processed part joined on the basic part, wherein the web transfer conveys a basic part web for forming the basic part. And receiving the processed part at a specified receiving position and delivering the processed part at a specified delivery position to the basic part web being conveyed in the web conveying step.
- a processed component conveying step for conveying the processed component to the delivery position; a bonding step for bonding the processed component to the basic component web; and a cutting step for cutting the basic component web into the basic component.
- the first holding part capable of receiving the processed part at the receiving position rotates the driving wheel supported through a speed change mechanism at a constant speed, thereby A speed change step of changing the speed of the first holding portion by the speed change mechanism between the take-up position and a specified relay position, and the speed of the second holding portion capable of holding the workpiece are the first position at the relay position.
- a method for manufacturing a disposable wearing article wherein the basic part web is conveyed at a speed at which a processed part can be received at a delivery position.
- the present invention also provides a wearing article manufactured by the above manufacturing method.
- the present invention it is possible to convey the processed part to the delivery position at a plurality of different speeds while maintaining the conveyance quantity per unit time.
- FIG. 8 is a sectional view taken along line VIII-VIII in FIG.
- FIG. 8 is a block diagram which shows the electrical structure of the rotation control apparatus shown in FIG. It is a graph which shows the information regarding the displacement amount memorize
- FIG.1 and FIG.2 shows the disposable diaper 1 which is an example of the wearing article which concerns on this invention.
- the disposable diaper 1 is a so-called pants-type diaper. Specifically, the disposable diaper 1 includes a diaper body (basic part) 2 and an absorbent body (processed part) 3 joined on the diaper body 2.
- the diaper main body 2 includes a front abdomen 2a disposed on the wearer's abdomen, a back portion 2b disposed on the wearer's buttocks, and a crotch 2c disposed on the wearer's crotch. Both end portions in the left-right direction of the front abdominal portion 2a are joined to each of both end portions in the left-right direction of the back portion 2b by side seal portions 2e. Further, leg holes (through holes) 2d are formed at the left and right side positions of the crotch part 2c of the diaper main body 2. The front part 2a and the back part 2b can extend and contract in the left-right direction.
- the front abdominal part 2a and the back part 2b are formed of a material (elastic nonwoven fabric) having elasticity in itself, or by attaching an elastic member in a stretched state between a pair of sheets made of nonwoven fabric.
- the elastic member can be formed of polyurethane, natural rubber, or thermoplastic resin.
- the shape of the elastic member can be a thread shape or a ribbon shape.
- the absorbent body 3 is a diaper in a state where it is disposed between the leg holes 2d so as to cover the inner part of each leg hole 2d (the part close to the opponent leg hole 2d). It is joined on the main body 2.
- the absorber 3 is bonded to the diaper main body 2 at the front bonding portion 2f, the rear bonding portion 2g, and the central bonding portion 3a.
- the front and rear adhesive portions 2f and 2g bond the front and rear ends of the absorbent body 3 and the diaper main body 2.
- the center adhesion part 3a has adhere
- the central adhesive portion 3a is disposed between the leg holes 2d.
- the absorber 3 can absorb the wearer's urine and the like.
- the absorbent body 3 has a liquid-permeable top sheet provided inside, a liquid-impervious cover sheet provided outside, and an absorption provided between these sheets. Having a sex core. Therefore, urine or the like that has entered through the top sheet is absorbed by the absorbent core.
- the top sheet can be formed from a liquid-permeable nonwoven fabric or mesh sheet.
- the cover sheet can be formed using a breathable polyethylene film, a water-repellent and breathable nonwoven fabric, or a laminate sheet thereof.
- an absorptive core can be formed by laminating
- the pant-type disposable diaper 1 in which the front abdomen 2a and the back part 2b are joined by the side seal part 2e is illustrated, but the present invention is not limited to this.
- a tape-type disposable diaper in which the front abdomen 2a and the back portion 2b can be attached and detached with the fastening tape may be used.
- the disposable diaper 1 which has the diaper main body 2 which has the front part 2a, the back part 2b, and the crotch part 2c it is not limited to this.
- separated from each other, and the absorber 3 which connects the front part 2a and the back part 2b may be sufficient.
- the manufacturing method of the disposable diaper 1 includes a web conveying step (1) for conveying a main body web (basic component web) 2A for forming the diaper main body 2, and a first applying step for applying an adhesive to the main body web 2A.
- a leg hole forming step (through hole forming step) for forming leg holes 2d in the main body web 2A (3), and a continuum conveying step for conveying the continuum 3A in which the absorbent body 3 is continuous in the longitudinal direction.
- a conveying step (7), a joining step (8) for joining the absorbent body 3 to the main body web 2A, a folding step (9) for folding the main body web 2A in half, and a side sealing step for forming the side seal portion 2e ( 10) and Cutting the body web 2A includes a body cutting step (11).
- the main body web 2A is conveyed in the longitudinal direction in a state where a predetermined tension is applied to the main body web 2A until the main body cutting step (11) is performed.
- a direction orthogonal to the conveyance direction of the main body web 2A may be referred to as a web width direction.
- adhesion is applied to a range outside the range where the leg holes 2d are to be formed in the main body web 2A.
- two web-side adhesion positions (front portions) corresponding to the positions of both end portions of the absorbent body 3 arranged on the main body web 2A in the joining step (8) described later.
- Adhesive is applied to the bonding portion 2f and the rear bonding portion 2g).
- the first application process is executed using the first application member 16 shown in FIG.
- leg hole forming step (3) a plurality of leg holes 2d are sequentially formed on the main body web 2A at intervals in the transport direction.
- the leg hole 2 is formed in the main body web 2A by using the leg hole forming member 17 shown in FIG.
- the leg hole forming member 17 includes a rotary cutter 17a having a cutting blade on the outer periphery, and an anvil 17b that clamps the main body web 2A between the rotary cutter 17a.
- the continuum 3A is transported in the longitudinal direction with a predetermined tension applied to the continuum 3A until the continuum cutting step (6) is performed.
- the second application step (5) the position between the portions corresponding to the front adhesive portion 2f and the rear adhesive portion 2g other than the portion covering each leg hole 2d in the continuum 3A (absorber 3).
- An adhesive is applied to (a position corresponding to the central adhesive portion 3a).
- the second application step (5) is executed using the second application member 14 shown in FIG. 4 during the execution period of the continuous body conveyance step (4).
- the continuous body 3A is cut into the absorbent body 3. Specifically, in this embodiment, as shown in FIG. 4, the continuous body 3A is cut by sandwiching the continuous body 3A between a cutting roller 15 having a cutting blade on the outer periphery and a transmission 11 described later. To do. That is, in this embodiment, the absorber 3 is delivered to the transmission 11 at the same time as the continuous body 3A is cut into the absorber 3.
- the longitudinal direction of the absorbent body 3 is rotated by 90 °, and the absorbent body 3 is transported onto the main body web 2A.
- the absorbent body transporting step (7) as shown in FIG. 4, the absorbent body 3 is received at a predetermined receiving position E1 and delivered to the main body web 2A at a predetermined delivery position E3.
- the absorber 3 is conveyed from the receiving position E1 to the delivery position E3.
- an absorber conveyance process (7) is performed using the conveyance apparatus 10.
- the transport device 10 includes a transmission 11 that transports the absorber 3 from the receiving position E1 to the specified relay position E2, and a rotation control device 12 that transports the absorber 3 from the relay position E2 to the delivery position E3.
- the transmission 11 will be described with reference to FIGS.
- the transmission 11 includes eight first holding portions 20 that can receive the absorber 3 at the receiving position E1, driving wheels 19 that support the first holding portions 20, and driving wheels that rotate the driving wheels 19 at a constant speed.
- the first holding unit 20 is changed in speed between the receiving position E1 and the relay position E2 by rotating the motor 18 (drive wheel drive source) 18 and the drive wheel 19 at a constant speed.
- a transmission mechanism (reference numeral omitted) interposed between the holding unit 20 and the drive wheel 19 is provided.
- the first holding portions 20 are arranged around the rotation center axis of the drive wheel 19 at the outer position in the diameter direction of the drive wheel 19. Further, each first holding unit 20 can suck the absorber 3 on the outer peripheral surface of each first holding unit 20 by being supplied with a negative pressure from a suction source (not shown). Specifically, as shown in FIG. 6, the first holding unit 20 has a pair of suction surfaces 20 b for sucking and holding both end portions in the longitudinal direction (web width direction) of the absorbent body 3. Between each adsorption
- the transmission mechanism includes eight crank arms 21 that are rotatably attached to the drive wheels 19, eight links 22 that are rotatably attached to the respective crank arms 21, and each crank arm. And a fixing member (reference numeral omitted) in which a shift cam groove 23 for swinging is formed.
- Each crank arm 21 includes an arm body 21 a and a cam roller 21 b provided on the arm body 21 a so as to be movable along the shift cam groove 23.
- the arm main body 21 a has a base end portion that is rotatably attached to the drive wheel 19 around a rotation shaft 21 c parallel to the rotation center axis of the drive wheel 19.
- the cam roller 21b is provided at a position separated from the rotation shaft 21c in the arm main body 21a.
- the shift cam groove 23 is provided eccentrically with respect to the center of the drive wheel 19 in a fixing member that rotatably supports the drive wheel 19. Therefore, the distance from the rotation center axis of the drive wheel 19 to the cam roller 21b periodically changes according to the positional relationship between the cam roller 21b and the shift cam groove 23. Specifically, the tip end portion of the arm main body 21 a swings forward or backward in the rotation direction of the drive wheel 19 in accordance with the constant speed rotation of the drive wheel 19. By this swinging, the angular velocity of the first holding unit 20 connected to the arm main body 21a via the link 22 changes between the receiving position E1 and the relay position E2 (shifting process).
- the link 22 has a base end portion attached to the tip end portion of the crank arm 21 so as to be rotatable around an axis parallel to the rotation center axis of the drive wheel 19. Further, the distal end portion of each link 22 is attached to each of the first holding portions 20 so as to be rotatable about an axis parallel to the rotation center axis of the drive wheel 19.
- the transmission 11 includes a rotation mechanism (not shown) that rotates the first holding unit 20 by 90 ° around the normal line of the suction surface 20b of the first holding unit 20.
- the transmission 11 changes the posture of the absorber 3 so that the longitudinal direction of the absorber 3 received at the receiving position E1 rotates by 90 °, and then moves the absorber 3 to the rotation control device 12 at the relay position E2. Can be handed over to.
- the rotation control device 12 rotates the two second holding portions 31 and 34 capable of holding the absorber 3 about the rotation center axis C1 and also the angular velocity of each of the second holding portions 31 and 34 (the respective first speeds associated therewith). 2 cycles of the holding units 31 and 34 can be set individually.
- the rotation control device 12 includes a pair of driving devices 24 and 25 provided with the second holding portions 31 and 34, respectively, and a control unit 26 that controls driving of the driving devices 24 and 25 (see FIG. 9). ), An input unit 27 (see FIG. 9) for inputting a command to the control unit 26, and a rotation angle detector 28 (see FIG. 9) for detecting the rotation angle of each of the second holding units 31 and 34. ing.
- the drive device 24 includes a servo motor (holding portion drive source) 29, a drive shaft 30 that is driven by the power of the servo motor 29, and a second holding portion 31 that is rotated by driving of the drive shaft 30.
- the servo motor 29 includes a main body 29a and a gear 29b fixed to an output shaft that rotates with respect to the main body 29a.
- the drive shaft 30 includes a shaft body 30a that is rotatably supported around the rotation center axis C1, and a gear 30b that is fixed to the shaft body 30a and meshes with the gear 29b.
- the second holding part 31 is fixed to the shaft body 30a. Therefore, when the servo motor 29 is driven, the second holding unit 31 rotates around the rotation center axis C1. Moreover, the 2nd holding
- the driving device 25 includes a servo motor (holding unit drive source) 32, a drive shaft 33 that is driven by the power of the servo motor 32, and a second holding unit 34 that is rotated by driving of the drive shaft 33.
- the servo motor 32 includes a main body 32a and a gear 32b fixed to an output shaft that rotates with respect to the main body 32a.
- the drive shaft 33 includes a shaft body 33a that is rotatably supported around the rotation center axis C1, and a gear 33b that is fixed to the shaft body 33a and meshes with the gear 32b.
- the second holding part 34 is fixed to the shaft body 33a.
- the second holding portion 34 rotates around the rotation center axis C1. Moreover, the 2nd holding
- the second holding portions 31 and 34 are arranged so that the outer peripheral surfaces (suction surfaces) are located on the same cylindrical surface with the rotation center axis C1 as the center. Moreover, each 2nd holding
- the rotation control device 12 having the two second holding units 31 and 34 has been described, but the number of the second holding units may be one or three or more.
- the control unit 26 controls the angular velocities of the second holding units 31 and 34 in order to change the pitch of the absorbent body 3 with respect to the main body web 2A for each size of the disposable diaper 1.
- the S pitch for the S size is smaller than the M pitch for the M size and the L pitch for the L size
- the M pitch is smaller than the L pitch.
- the angular velocities of the second holding units 31 and 34 at the delivery position E3 are controlled for each size while the period for reaching the delivery position E3 of the second holding units 31 and 34 is kept constant. There is a need to. Specifically, it is necessary to increase the angular velocities of the second holding portions 31 and 34 as the size increases.
- the main body web transporting step (1) the main body web 2A is transported at a speed at which the absorbent body 3 can be received from the second holding portion at the delivery position E3. That is, the conveyance speed of the main body web 2 ⁇ / b> A at the delivery position E ⁇ b> 3 is controlled for each size corresponding to the angular velocity of the second holding units 31 and 34.
- the control unit 26 stores a storage unit 35 that stores information on the angular velocities of the servomotors 29 and 32, and the servomotors 29 and 32 based on the information stored in the storage unit 35.
- a target speed setting unit 36 that sets the target speed and a drive control unit 37 that controls the speeds of the servo motors 29 and 32 so as to be the target speed set by the target speed setting unit 36 are provided.
- the storage unit 35 stores information on the angular velocities of the servo motors 29 and 32 as shown in FIGS. 10 to 12, one of the second holding units 31 and 34 reaches the relay position E2 in the time of about 0 ms and about 200 ms, and reaches the delivery position E3 in the time of about 100 ms. That is, in the graphs of FIGS. 10 to 12, the second holding unit 31, the second holding unit 31, 34 so that the second holding unit 31, 34 reaches the relay position E2 and the delivery position E3 with the same cycle (cycle of 200 ms) for each pitch. 34 displacements, angular accelerations, and angular velocities are set.
- FIG. 10 to 12 the second holding unit 31, the second holding unit 31, 34 so that the second holding unit 31, 34 reaches the relay position E2 and the delivery position E3 with the same cycle (cycle of 200 ms) for each pitch.
- FIG. 13 shows one angular velocity of the second holding portions 31 and 34 by a solid line and the other angular velocity of the second holding portions 31 and 34 by a broken line.
- the phases of the second holding portions 31 and 34 are set so as to be shifted by 180 °.
- the delivery speed of the second holding portions 31 and 34 at the delivery position E3 is set to be higher as the size is larger. That is, the delivery speed increases in the order of S pitch, M pitch, and L pitch.
- the receiving speed of the second holding units 31 and 34 at the relay position E2 is set to a speed at which the absorber can be received from the first holding unit 20.
- the receiving speed is set corresponding to the angular speed of the first holding unit 20 at the relay position E2.
- the delivery speed is higher than the reception speed for all pitches. That is, the angular velocity at the relay position of the first holding unit 20 defined by the transmission mechanism of the transmission 11 is set lower than the angular velocity corresponding to the S pitch.
- the target speed setting unit 36 sets the target speed by reading information stored in the storage unit 35 in response to a command from the input unit 27.
- the input unit 27 can input a command related to size (command indicating any one of S pitch, M pitch, and L pitch).
- the target speed setting unit 36 reads information on the angular velocity corresponding to the input size from the storage unit 35, and sets this as the target speed. That is, the target speed setting unit 36 changes the target speed (particularly, the delivery speed) while maintaining the cycle of the second holding units 31 and 34 by inputting a command regarding a different size from the input unit 27 (speed change). Process).
- the drive control unit 37 controls the speeds of the servo motors 29 and 32 so that the second holding units 31 and 34 have the target speed (control process). Specifically, the drive control unit 37 performs feedback control of the servo motors 29 and 32 based on the rotation angles of the servo motors 29 and 32 detected by the rotation angle detector 28.
- step S1 When processing by the control unit 26 is started, it waits for a size command to be input by the input unit 27 (step S1).
- a size command is input (YES in step S1)
- a target speed corresponding to the input size is set (step S2). That is, in step S2, information on the corresponding size is extracted from the information shown in FIGS. 10 to 13 stored in the storage unit 35, and this is set as the target speed.
- step S3 it is determined whether or not a start command from the input unit 27 has been input. If it is determined that the start command has not been input (NO in step S3), step S1 is repeatedly executed. On the other hand, when a start command is input (YES in step S3), each servo motor 29, 32 is driven (step S4).
- each servo motor 29, 32 When each servo motor 29, 32 is driven, the speed of each servo motor 29, 32 is detected (step S5). Based on this detected speed, each servo motor 29, 32 is feedback controlled (step S6).
- step S7 it is determined whether or not an end command is input from the input unit 27 (step S7).
- step S5 it is repeatedly executed.
- step S8 it is determined that an end command has been input, the servo motors 29 and 32 are stopped (step S8), and the process ends.
- the absorbent body 3 transported by the transport apparatus 10 is joined to the main body web 2A in the joining step (8) as shown in FIGS.
- the absorbent body 3 and the main body web 2A are joined in a state where the absorbent body 3 is disposed between the two leg holes 2d so as to cover the inner portions of the two adjacent leg holes 2d.
- both ends of the absorbent body 3 in the longitudinal direction are disposed outside the leg holes 2d in the width direction of the main body web 2A.
- the main body web 2 ⁇ / b> A and the absorber 3 are pinched between the pressure roller 40 and the rotation control device 12 (second holding portions 31 and 34). .
- main body web 2A and absorber 3 are joined by the adhesive agent applied by the 1st application process (2) and the 2nd application process (5).
- the main body web 2A is overlaid so that the absorbent body 3 is folded in half.
- the side seal portion 2e is formed by thermally welding the overlapped main body webs 2A.
- the main body web 2A is cut into the disposable diaper 1 so that the side seal portions 2e remain on the left and right sides of the disposable diaper 1.
- the pitch of the absorbent body 3 joined to the main body web 2A can be changed, a plurality of wearing articles having different areas of the diaper main body 2 with respect to the absorbent body 3 ( In this embodiment, the disposable diaper 1) can be manufactured easily.
- the speed of the first holding unit 20 is changed by the speed change mechanism, and the speed of the second holding units 31 and 34 that take over the absorber 3 from the first holding unit 20 is changed by the rotation control device 12. Be controlled. Thereby, the absorber 3 can be conveyed to the delivery position E3 so that the speed of the absorber 3 changes between the receiving position E1 and the delivery position E3.
- maintenance part 31 and 34 can be changed, maintaining the period of the 2nd holding
- the speed of the absorber 3 at the relay position defined by the speed change mechanism can be changed to a different delivery speed while maintaining the period of the second holding portions 31 and 34. Therefore, according to the embodiment, the absorbent body 3 can be transported to the delivery position at a plurality of different speeds while maintaining the transport quantity per unit time.
- the absorber 3 can be joined to the main body web 2A at different pitches by joining the absorbent body 3 to the main body web 2A at different delivery speeds while maintaining the cycle.
- the disposable diaper 1 has been described as an example.
- a plurality of sizes of wearing articles for example, sanitary products
- different basic parts areas with respect to one processed part are used.
- the adhesive is applied to both the main body web 2A and the absorbent body 3, and therefore both are joined by this adhesive. Can do.
- an adhesive agent is apply
- the adhesive is applied to a range other than the range in which the leg hole 2d is to be formed in the main body web 2A in the first application step (2). Thereby, it can prevent that the cutting capability of a cutting blade falls because an adhesive agent adheres to the cutting blade of the rotary cutter 17a for forming the leg hole 2d in the main body web 2A.
- two web-side adhesion positions positions corresponding to the front adhesion part 2f and the rear adhesion part 2g corresponding to both ends of the absorbent body 3 in the web width direction, and each web-side adhesion position An adhesive is applied to a position between them (a position corresponding to the central bonding portion 3a).
- an adhesive agent can be arrange
- the adhesive agent is apply
- the adhesive material can be applied to a range other than the range where the leg hole 2d is to be formed at a position between the front adhesive portion 2f and the rear adhesive portion 2g in the main body web 2A.
- coating process (5) which apply
- the first holding part 20 absorbs and holds the part other than the part to which the adhesive is applied among the surfaces of the absorbent body 3 to which the adhesive is applied, and the second holding parts 31 and 34 absorb the absorbent body.
- the surface opposite to the surface to which the adhesive 3 is applied is adsorbed and held.
- the absorber 3 can be delivered from the 2nd holding
- an adhesive is disposed in a portion corresponding to the central adhesive portion 3a in the absorbent body 3 in the second application step (5). Therefore, as shown in FIG. 6, both end portions of the absorber 3 can be sucked and held by the first holding portion 20. Therefore, the absorber 3 can be held in a more stable posture by the first holding unit 20.
- the delivery speed is higher than the receiving speed for all pitches. That is, the angular velocity at the relay position of the first holding unit 20 defined by the transmission mechanism of the transmission 11 is set lower than the angular velocity corresponding to the S pitch.
- the angular velocity of the first holding unit 20 at the relay position E2 of the transmission 11 is the upper limit value of the angular velocity assumed as the delivery speed (the angular velocity corresponding to the L pitch) and the lower limit value of the angular velocity assumed as the delivery speed ( It is preferable to set a value between (angular velocity corresponding to S pitch). That is, it is preferable to prepare a speed change mechanism set at such a speed (preparation step).
- each servomotor 29 is compared with the case where the angular velocity of the first holding unit 20 at the relay position E2 is set to a value that is out of the range between the upper limit value and the lower limit value. , 32, the maximum value of the change width of the delivery speed can be reduced. Therefore, the load on each servo motor 29, 32 can be reduced, and the time required for changing the delivery speed can be shortened.
- the pitch can be adjusted as follows. Specifically, when the absorbent body 3 is joined to the main body web 2A at the M pitch, the receiving speed and the delivery speed of the second holding portions 31 and 34 can be made equal. Moreover, as shown in FIG. 15, the disposable diaper 1 of L pitch can be manufactured by accelerating the delivery speed of the 2nd holding
- the angular velocity of the first holding unit 20 at the relay position E2 is set within a specified range including an intermediate value between the upper limit value and the lower limit value.
- the transmission 11 having the eight first holding portions 20 has been described, but the number of the first holding portions 20 is not limited. Assuming that a shift is made between the receiving position E1 and the relay position E2, it is sufficient that at least one first holding unit 20 exists.
- the present invention provides a method for transporting a processed part from a specified receiving position to a specified delivery position, wherein a first holding unit capable of receiving the processed part at the receiving position is provided.
- a speed change step in which the speed of the first holding portion is changed by the speed change mechanism between the receiving position and a specified relay position by rotating the driving wheel supported via the speed change mechanism at a constant speed;
- the speed of the second holding part capable of holding a part is a receiving speed at which the processed part can be received from the first holding part at the relay position, and a specified delivery speed at the delivery position, and the second holding part.
- the present invention is an apparatus for transporting a processed part from a specified receiving position to a specified delivery position, wherein the first holding part capable of receiving the processed part at the receiving position, and the first holding part
- the driving wheel to be supported, the driving source for the driving wheel that rotates the driving wheel at a constant speed, and the speed of the first holding unit between the receiving position and a specified relay position by rotating the driving wheel at a constant speed.
- a transmission having a speed change mechanism interposed between the first holding portion and the drive wheel, a second holding portion capable of holding the processed component, and the second holding portion being driven to rotate.
- the holding portion drive source, and the second holding portion has a receiving speed at which the processed part can be received from the first holding portion at the relay position, and a specified delivery speed at the delivery position, and The second holding part is in a prescribed cycle
- a rotation control device having a control unit for controlling the speed of the holding unit drive source so as to reach the relay position and the delivery position, and the control unit of the rotation control device maintains the cycle.
- a delivery device capable of changing the delivery speed is provided.
- the speed of the first holding unit is changed by the speed change mechanism, and the speed of the second holding unit that takes over the workpiece from the first holding unit is controlled. Accordingly, the processed component can be conveyed to the delivery position so that the speed of the processed component changes between the receiving position and the delivery position.
- the delivery speed of the second holding unit can be changed while maintaining the cycle of the second holding unit.
- the speed of the workpiece at the relay position defined by the speed change mechanism can be changed to a different delivery speed while maintaining the period of the second holding portion. Therefore, according to the said conveying method and conveying apparatus, a workpiece can be conveyed to a delivery position at several different speeds, maintaining the conveyance quantity per unit time.
- the “specified cycle” corresponds to the time interval at which the plurality of first holding units sequentially reach the relay position.
- the “specified cycle” is defined by the rotational speeds of the speed change mechanism and the drive source for the drive wheels in the transmission.
- a preparation step of preparing the speed change mechanism so that the speed of the first holding unit at the relay position is a value between a preset upper limit value and a lower limit value of the delivery speed It is preferable to include.
- the speed change mechanism of the speed change device may be configured such that the speed of the first holding portion at the relay position is a value between a preset upper limit value and a lower limit value of the delivery speed. It is preferable to change the speed of the first holding part.
- the speed of the first holding unit at the relay position is set to a value between an upper limit value and a lower limit value assumed as the delivery speed.
- this invention is a manufacturing method of the disposable wear article which has a basic component and the process component joined on the said basic component, Comprising: The web conveyance which conveys the web for basic components for forming the said basic component And receiving the processed part at a specified receiving position and delivering the processed part at a specified delivery position to the basic part web being conveyed in the web conveying step.
- a processed component conveying step for conveying the processed component to the delivery position; a bonding step for bonding the processed component to the basic component web; and a cutting step for cutting the basic component web into the basic component.
- the first holding part capable of receiving the processed part at the receiving position rotates the driving wheel supported via the transmission mechanism at a constant speed, thereby receiving the receiving part.
- the speed change step of changing the speed of the first holding part between the position and the specified relay position by the speed change mechanism, and the speed of the second holding part capable of holding the workpiece are the first holding position at the relay position.
- the receiving part is capable of receiving the processed part from the part, has a specified delivery speed at the delivery position, and the second holding part reaches the relay position and the delivery position at a prescribed period.
- the delivery Disclosed is a method for manufacturing a disposable wearing article, wherein the basic part web is conveyed at a speed at which a processed part can be received at a position.
- the pitch of the processed parts to be joined to the basic part web can be changed, a plurality of sizes of worn articles having different areas of the basic parts relative to the processed parts (for example, Disposable diapers or sanitary products) can be manufactured easily.
- the speed of the first holding part is changed by the speed change mechanism in the speed change process, and the speed of the second holding part that takes the workpiece from the first holding part is controlled in the control process. Accordingly, the processed component can be conveyed to the delivery position so that the speed of the processed component changes between the receiving position and the delivery position.
- the delivery speed of the second holding unit can be changed while maintaining the cycle of the second holding unit.
- the speed of the workpiece at the relay position defined by the speed change mechanism can be changed to a different delivery speed while maintaining the period of the second holding portion. Therefore, according to the present invention, it is possible to transport the processed part to the delivery position at a plurality of different speeds while maintaining the transport quantity per unit time.
- the machined parts are joined to the basic part web at different delivery speeds while maintaining the cycle, so that the machined parts can be joined at different pitches to the basic part web.
- the manufacturing method of the wearing article further includes an application step of applying an adhesive to at least one of the basic component web and the processed component, and in the bonding step, the basic component web and the processed component are bonded by the adhesive. Are preferably joined.
- the method for manufacturing a worn article further includes a through-hole forming step of forming a plurality of through-holes at intervals in the transport direction with respect to the basic component web, and in the joining step, two adjacent through-holes are formed.
- the processed component and the basic component web are joined in a state where the processed component is disposed between the two through-holes so as to cover the inner portions of the through-hole, and in the application step, the through-hole forming step is performed.
- the adhesive is applied to a range other than the range where the through holes are to be formed in the basic part web in the application process. Thereby, it can prevent that the cutting capability of a cutting blade falls by an adhesive agent adhering to the cutting blade for forming a through-hole in the web for basic components.
- the processed parts are arranged such that both end portions of the processed parts are arranged outside the through holes in a web width direction perpendicular to a conveyance direction of the basic part web.
- the coating step two web sides on the basic component web on which both end portions of the processed component in the web width direction are arranged before the through hole forming step
- Adhesive is applied to the bonding position, and before the joining step, the adhesive is applied to a portion other than the portion that covers the through hole in the processed component and disposed between the web-side bonding positions. Is preferably applied.
- an adhesive is applied to two web-side adhesion positions corresponding to both ends of the processed part in the web width direction, and a position between each web-side adhesion position.
- an adhesive agent can be arrange
- both end portions of the processed component in the web width direction on the surface of the processed component on which the adhesive is applied are sucked and held by the first holding portion, and in the control step, It is preferable that the surface of the processed part opposite to the surface to which the adhesive is applied is sucked and held by the second holding portion.
- an adhesive is applied to at least the processed component of the basic component web and the processed component, and in the shift step, the adhesive of the processed component is applied.
- the applied surface a portion other than the portion to which the adhesive is applied is sucked and held by the first holding unit, and in the control step, the surface opposite to the surface to which the adhesive of the processed component is applied is formed. It is preferable that the second holding portion is held by suction.
- the portion other than the portion to which the adhesive is applied is sucked and held in the surface of the first holding portion to which the adhesive of the processed component is applied, and the adhesive of the processed component is applied to the second holding portion.
- the surface opposite to the formed surface is sucked and held.
- both end portions of the processed member can be adsorbed and held by the first holding portion. Therefore, in this case, the processed member can be held in a more stable posture by the first holding portion.
- the present invention also provides a wearing article manufactured by the above manufacturing method.
- the present invention it is possible to convey the processed part to the delivery position at a plurality of different speeds while maintaining the conveyance quantity per unit time.
- E1 Receiving position E2 Relay position E3 Delivery position 1 Disposable diaper (wearing article) 2 leg holes (through holes) 2 Diaper body (basic parts) 2A Main body web (web for basic parts) 2d leg hole (through hole) 2f Front adhesive part (corresponding to the web side adhesive position) 2g Rear part adhesion part (part corresponding to web side adhesion position) 3 Absorber (Processed parts) 3a Center adhesive part (corresponding to a part arranged between each web side adhesive position of a processed part) DESCRIPTION OF SYMBOLS 10 Conveying device 11 Transmission 12 Rotation control device 18 Drive wheel motor (drive wheel drive source) 19 Drive Wheel 20 First Holding Part 21 Crank Arm (Transmission Mechanism) 22 Link (transmission mechanism) 23 Shifting cam groove (transmission mechanism) 26 Control unit 29, 32 Servo motor (holding unit drive source) 31, 34 Second holding part
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Abstract
Description
E2 中継位置
E3 引渡位置
1 使い捨ておむつ(着用物品)
2 レッグホール(貫通穴)
2 おむつ本体(基本部品)
2A 本体ウェブ(基本部品用ウェブ)
2d レッグホール(貫通穴)
2f 前部接着部(ウェブ側接着位置に相当する部分)
2g 後部接着部(ウェブ側接着位置に相当する部分)
3 吸収体(加工部品)
3a 中央接着部(加工部品の各ウェブ側接着位置の間に配置される部分に相当)
10 搬送装置
11 変速装置
12 回転制御装置
18 駆動輪用モータ(駆動輪用駆動源)
19 駆動輪
20 第1保持部
21 クランクアーム(変速機構)
22 リンク(変速機構)
23 変速用カム溝(変速機構)
26 制御部
29、32 サーボモータ(保持部用駆動源)
31、34 第2保持部
Claims (11)
- 規定の受取位置から規定の引渡位置まで加工部品を搬送するための方法であって、
前記受取位置で前記加工部品を受け取り可能な第1保持部が変速機構を介して支持された駆動輪を等速回転させることにより、前記受取位置から規定の中継位置までの間で前記第1保持部の速度を前記変速機構によって変化させる変速工程と、
前記加工部品を保持可能な第2保持部の速度が前記中継位置において前記第1保持部から前記加工部品を受取可能な受取速度になるとともに前記引渡位置で規定の引渡速度となり、かつ、前記第2保持部が規定の周期で前記中継位置及び前記引渡位置に到達するように、前記第2保持部を回転駆動する保持部用駆動源の速度を制御する制御工程と、
前記周期を維持しつつ前記引渡速度を変更する速度変更工程と、を含む、搬送方法。 - 前記中継位置における前記第1保持部の速度が予め設定された前記引渡速度の上限値と下限値との間の値となるような前記変速機構を準備する準備工程とをさらに含む、請求項1に記載の搬送方法。
- 基本部品と、前記基本部品上に接合された加工部品とを有する使い捨て着用物品の製造方法であって、
前記基本部品を形成するための基本部品用ウェブを搬送するウェブ搬送工程と、
規定の受取位置で前記加工部品を受け取るとともに前記ウェブ搬送工程で搬送されている基本部品用ウェブに規定の引渡位置で前記加工部品を引き渡すように、前記加工部品を前記受取位置から前記引渡位置まで搬送する加工部品搬送工程と、
前記加工部品を前記基本部品用ウェブに接合する接合工程と、
前記基本部品用ウェブを前記基本部品に切り分ける切断工程と、を含み、
前記加工部品搬送工程は、
前記受取位置で前記加工部品を受け取り可能な第1保持部が変速機構を介して支持された駆動輪を等速回転させることにより、前記受取位置から規定の中継位置までの間で前記第1保持部の速度を前記変速機構によって変化させる変速工程と、
前記加工部品を保持可能な第2保持部の速度が前記中継位置において前記第1保持部から前記加工部品を受け取り可能な受取速度になるとともに前記引渡位置で規定の引渡速度となり、かつ、前記第2保持部が規定の周期で前記中継位置及び前記引渡位置に到達するように、前記第2保持部を回転駆動する保持部用駆動源の速度を制御する制御工程と、
前記周期を維持しつつ前記引渡速度を変更する速度変更工程と、を含み、
前記ウェブ搬送工程では、前記引渡位置で加工部品を受け取り可能な速度で前記基本部品用ウェブを搬送する、使い捨て着用物品の製造方法。 - 前記基本部品用ウェブ及び前記加工部品の少なくとも一方に接着剤を塗布する塗布工程をさらに含み、
前記接合工程では、前記接着剤により前記基本部品用ウェブと加工部品とを接合する、請求項3に記載の使い捨て着用物品の製造方法。 - 前記基本部品用ウェブに対し、その搬送方向に間隔を空けて複数の貫通穴を形成する貫通穴形成工程をさらに含み、
前記接合工程では、隣接する2つの貫通穴の内側部分をそれぞれ覆うように当該2つの貫通穴の間に前記加工部品を配置した状態で、前記加工部品と前記基本部品用ウェブとを接合し、
前記塗布工程では、前記貫通穴形成工程の前に、前記基本部品用ウェブにおける前記貫通穴の形成予定の範囲以外の範囲に接着剤を塗布する、請求項4に記載の使い捨て着用物品の製造方法。 - 前記接合工程では、前記基本部品用ウェブの搬送方向と直交するウェブ幅方向において前記貫通穴の外側に前記加工部品の両端部が配置されるように、前記加工部品を前記基本部品用ウェブに接着し、
前記塗布工程では、前記貫通穴形成工程の前に、前記ウェブ幅方向における加工部品の両端部が配置される前記基本部品用ウェブ上の2箇所のウェブ側接着位置に接着剤を塗布するとともに、前記接合工程の前に、前記加工部品における前記貫通穴を覆う部分以外の部分であって、前記各ウェブ側接着位置の間に配置される部分に接着剤を塗布する、請求項5に記載の使い捨て着用物品の製造方法。 - 前記変速工程では、前記加工部品の接着剤が塗布された面における前記ウェブ幅方向における加工部品の両端部を前記第1保持部によって吸着保持し、
前記制御工程では、前記加工部品の接着剤が塗布された面と反対側の面を前記第2保持部によって吸着保持する、請求項6に記載の使い捨て着用物品の製造方法。 - 前記塗布工程では、前記基本部品用ウェブ及び前記加工部品のうち、少なくとも前記加工部品に接着剤を塗布し、
前記変速工程では、前記加工部品の接着剤が塗布された面のうち接着剤が塗布されている部分以外の部分を前記第1保持部によって吸着保持し、
前記制御工程では、前記加工部品の接着剤が塗布された面と反対側の面を前記第2保持部によって吸着保持する、請求項4に記載の使い捨て着用物品の製造方法。 - 請求項3~請求項8に記載の製造方法により製造された着用物品。
- 規定の受取位置から規定の引渡位置まで加工部品を搬送するための装置であって、
前記受取位置で加工部品を受け取り可能な第1保持部と、前記第1保持部を支持する駆動輪と、前記駆動輪を等速回転させる駆動輪用駆動源と、前記駆動輪が等速回転することにより前記受取位置から規定の中継位置までの間で前記第1保持部の速度を変化させるように前記第1保持部と前記駆動輪との間に介在する変速機構とを有する変速装置と、
前記加工部品を保持可能な第2保持部と、前記第2保持部を回転駆動する保持部用駆動源と、前記第2保持部の速度が前記中継位置において前記第1保持部から前記加工部品を受取可能な受取速度になるとともに前記引渡位置で規定の引渡速度となり、かつ、前記第2保持部が規定の周期で前記中継位置及び前記引渡位置に到達するように、前記保持部用駆動源の速度を制御する制御部とを有する回転制御装置とを備え、
前記回転制御装置の制御部は、前記周期を維持しつつ前記引渡速度を変更可能である、搬送装置。 - 前記変速装置の変速機構は、前記中継位置における前記第1保持部の速度が予め設定された前記引渡速度の上限値と下限値との間の値となるように、前記第1保持部の速度を変化させる、請求項10に記載の搬送装置。
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