WO2010055591A1 - 抽出バッグ用充填包装機 - Google Patents

抽出バッグ用充填包装機 Download PDF

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Publication number
WO2010055591A1
WO2010055591A1 PCT/JP2008/070883 JP2008070883W WO2010055591A1 WO 2010055591 A1 WO2010055591 A1 WO 2010055591A1 JP 2008070883 W JP2008070883 W JP 2008070883W WO 2010055591 A1 WO2010055591 A1 WO 2010055591A1
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WO
WIPO (PCT)
Prior art keywords
extraction bag
anvil
seal
filling
sheet
Prior art date
Application number
PCT/JP2008/070883
Other languages
English (en)
French (fr)
Inventor
義之 辻
智博 竹本
Original Assignee
椿本興業株式会社
株式会社ファブリカトヤマ
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 椿本興業株式会社, 株式会社ファブリカトヤマ filed Critical 椿本興業株式会社
Priority to PCT/JP2008/070883 priority Critical patent/WO2010055591A1/ja
Priority to JP2010537657A priority patent/JP5240482B2/ja
Publication of WO2010055591A1 publication Critical patent/WO2010055591A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B29/00—Packaging of materials presenting special problems
    • B65B29/02—Packaging of substances, e.g. tea, which are intended to be infused in the package
    • B65B29/028—Packaging of substances, e.g. tea, which are intended to be infused in the package packaging infusion material into filter bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/344—Stretching or tensioning the joint area during joining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81415—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled
    • B29C66/81417—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled being V-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81463—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8167—Quick change joining tools or surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8221—Scissor or lever mechanisms, i.e. involving a pivot point
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8225—Crank mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8226—Cam mechanisms; Wedges; Eccentric mechanisms
    • B29C66/82263—Follower pin or roller cooperating with a groove
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/824—Actuating mechanisms
    • B29C66/8246—Servomechanisms, e.g. servomotors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83541—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • B29C66/8491—Packaging machines welding through a filled container, e.g. tube or bag
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/729—Textile or other fibrous material made from plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/729—Textile or other fibrous material made from plastics
    • B29C66/7294—Non woven mats, e.g. felt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7122—Tea bags

Definitions

  • the present invention relates to an extraction bag filling and packaging machine for producing a tetrahedral shape extraction bag from a belt-shaped extraction bag sheet.
  • a tea bag for black tea, green tea, herbs, etc. as a bag for extracting dried stock such as dried and dried bonito, a water filterable extraction bag sheet such as non-woven fabric is formed into a tetrahedron-shaped bag body, and tea leaves are formed inside it. And the like, which are filled with an extraction material and the like and attached with a hanging thread with a tag on the outer surface are used.
  • the opposing edge portions of an extraction bag sheet in which a thread material and a tag serving as a hanging thread are arranged on a band-shaped water-permeable filterable sheet are bonded to each other.
  • the first lateral seal is formed by crushing the tubular body and welded and cut in the width direction, and the formation of the second horizontal seal that is welded and cut in the width direction intersecting therewith.
  • An apparatus is used which alternately performs and fills the contents during the formation of these horizontal seals (Patent Document 1 and Patent Document 2).
  • JP-T-2001-519729 JP 2006-510550 A Japanese Patent No. 2995499
  • a so-called direct-pressing type seal head in which the tip width of the seal head is formed to the seal width of the object to be sealed is used. Compared to the case, the seal head can be reduced in size and weight and driven at high speed.
  • the present invention uses a traveling seal head and a columnar anvil in a welding fusing device for a lateral seal of a filling and packaging machine for an extraction bag, while reducing the wear rate of the anvil and further reducing the wear of the anvil.
  • the object is to make it possible to easily change the surface facing the traveling seal head.
  • the present inventor uses a columnar anvil that can rotate in the circumferential direction as an anvil to be opposed to the traveling seal head, and by forming a flat portion of the peripheral surface that the seal head contacts, Despite the relative movement of the anvil, the anvil wear was found to be reduced.
  • the present invention is an extraction bag filling packaging machine for producing a tetrahedral extraction bag using an extraction bag sheet
  • a vertical sealing device for forming the extraction bag sheet into a cylindrical body by welding both side edges in the longitudinal direction of the extraction bag sheet;
  • Sheet feeding means for running the extraction bag sheet at a constant speed;
  • a horizontal sealing device that alternately forms first horizontal seals and second horizontal seals by alternately ultrasonically welding the cylindrical body of the extraction bag sheet in a direction crossing each other when viewed from above;
  • a filling device for filling the contents into the tubular body of the extraction bag sheet while alternately repeating the formation of the horizontal seal and the formation of the second horizontal seal
  • the lateral sealing device includes a traveling seal head having a tapered tip, a columnar anvil, and an anvil fixing means for fixing an opposing surface of the columnar anvil to the seal head,
  • the columnar anvil provides a filling and packaging machine for an extraction bag having a plurality of flat surfaces extending in a longitudinal direction on a circum
  • the head can be reduced in size and weight and driven at high speed.
  • this horizontal sealing device includes a columnar anvil, and the columnar anvil has a plurality of flat surfaces extending in the longitudinal direction on its peripheral surface, so that the flat surface can be opposed to the seal head. For this reason, the wear rate of an anvil is relieved.
  • the columnar anvil is rotatable in the circumferential direction, when the flat surface facing the seal head is worn, the new flat surface can be sequentially opposed to the seal head by rotation. Therefore, sealing failure can be eliminated.
  • FIG. 1 is a schematic diagram of an extraction bag filling and packaging machine.
  • FIG. 2 is a side view of the vicinity of the lateral seal device of the extraction bag filling and packaging machine.
  • FIG. 3 is an enlarged side view of the vicinity of the seal head of the horizontal sealing device.
  • FIG. 4 is a perspective view of the columnar anvil.
  • FIG. 5 is a cross-sectional view of a columnar anvil.
  • FIG. 6 is a top assembly view of the columnar anvil and the anvil fixing means.
  • FIG. 7 is a cross-sectional view of a columnar anvil and anvil fixing means for fixing it.
  • FIG. 8 is a cross-sectional view of a modified example of a columnar anvil and anvil fixing means for fixing it.
  • FIG. 1 is a schematic diagram of an extraction bag filling and packaging machine.
  • FIG. 2 is a side view of the vicinity of the lateral seal device of the extraction bag filling and packaging machine.
  • FIG. 3 is an enlarged
  • FIG. 9 is a cross-sectional view of a modified example of a columnar anvil and anvil fixing means for fixing it.
  • FIG. 10 is a perspective view of a modification of the columnar anvil.
  • FIG. 11 is an enlarged side view of the vicinity of the seal head of the horizontal sealing device showing a modification of the anvil fixing means.
  • FIG. 12 is an explanatory view of the operation of the horizontal sealing device in a top view.
  • FIG. 13 is a schematic view of an extraction bag filling and packaging machine.
  • Extraction Bag Sheet 6 Extraction Bag 70, 70B Filling and Packaging Machine 72 Former Guide 73 Cylindrical Body 74 Feed Roller 75 Vertical Sealing Device 76 Horizontal Sealing Device 76a Seal Head 76b, 76b- 2 , 76b- 3 , 76b- 4 Columnar Anvil 76b1 Flat surface on the circumferential surface of the columnar anvil 76b2 Curved surface 76c on the circumferential surface of the columnar anvil 76c1 Anvil support member 76c2 Cylindrical groove 76c3 Split groove 76c4 Clamp bolt 76c5 Set screw 760,760A, 760B Ultrasonic welding fusing device 761 Base plate Servo motor for vertical drive 762 Crank 763 Link 764 Base plate 770 Servo motor for 90 ° swing 771 Spline shaft 772 90 ° swing plate 780 Servo motor for horizontal drive 781 Gear 782 Cam 783 Cam follower 784 Link mechanism 785 Rod 786 Base 790 Cam follower 791 Link machine
  • FIG. 1 is a schematic view of an extraction bag filling and packaging machine 70 according to an embodiment of the present invention.
  • FIG. 2 is a side view of the vicinity of a lateral sealing device 76 that performs lateral sealing in the filling and packaging machine 70.
  • 3 is an enlarged side view of the vicinity of the seal head of the lateral seal device 76.
  • This filling and packaging machine 70 is a machine for producing a tetrahedral-shaped extraction bag 6 using the extraction bag sheet 5, and is roughly a cylinder 73 having a former guide 72 for guiding the extraction bag sheet 5.
  • a sheet feeding means (feeding roller 74) for causing the extraction bag sheet 5 wound around the cylinder 73 to travel downward at a constant speed, and by welding both side edges in the longitudinal direction of the extraction bag sheet 5 to the cylindrical body
  • the first horizontal seal and the second horizontal seal are alternately formed by ultrasonic welding fusing the vertical seal device 75 to be formed and the extraction bag sheet 5 formed in a cylindrical body in a direction crossing each other in a top view.
  • the horizontal sealing device 76, the formation of the first horizontal seal and the formation of the second horizontal seal are alternately repeated, the tea leaves and the like that are the contents of the extraction bag are fed into the cylinder 73 by a predetermined amount, and the extraction bag And a auger filling device 80 for filling the tea leaves or the like into the cylindrical body of the sheet 5.
  • an ultrasonic welding fusing device is provided, and a scrap winding means 77 is provided for winding up an unnecessary edge (ear portion) generated when the vertical seal is formed.
  • the welding fusing direction is swung by a predetermined angle, preferably 90 °, around the axis L of the cylindrical body of the extraction bag sheet 5 every time the horizontal seal is formed.
  • an ultrasonic welding fusing device 760 that alternately takes the position described by the broken line and the position described by the broken line. This ultrasonic welding fusing device 760 pushes the seal head 76a having a tapered tip, a substantially cylindrical anvil 76b, and the extraction bag sheet 5 formed in a cylindrical body flatly when forming a horizontal seal.
  • a crushing presser 78 is swung by a predetermined angle, preferably 90 °, around the axis L of the cylindrical body of the extraction bag sheet 5 every time the horizontal seal is formed.
  • an ultrasonic welding fusing device 760 that alternately takes the position described by the broken line and the position described by the broken line. This ultrasonic welding fusing device 760 pushes the seal head 76a having a tapered tip, a substantially cylindrical
  • the presser 78 has a width for forming a horizontal seal. When the horizontal seal is formed, the presser bag 78 presses the extraction bag sheet 5 above and below the seal head 76a and travels downward together with the extraction bag sheet 5.
  • the seal head 76a is a so-called traveling type in which the tip protrudes in a tapered manner and a seal can be formed to an arbitrary length by traveling the seal head 76a.
  • a traveling type seal head By using a traveling type seal head, the seal head can be reduced in size and weight, so that it can be easily driven at a high speed and the drive mechanism can be made compact.
  • the seal head 76a is in contact with the extraction bag sheet 5 in a state where the presser 78 is flatly crushing the cylindrical body of the extraction bag sheet 5, and travels in the width direction of the crushed cylindrical body. In addition, the vehicle travels downward, thereby forming a horizontal seal on the extraction bag seat 5 while maintaining a constant travel speed without stopping the downward travel of the extraction bag seat 5. After the formation of the horizontal seal, the seal head 76a travels back to a position where the downward travel distance of the extraction bag seat 5 during the formation of the horizontal seal is canceled.
  • the seal head 76a when the first horizontal seal is formed, the seal head 76a travels obliquely downward as indicated by an arrow a by combining the above-described width direction and downward movement. Then, after the horizontal seal is formed, the downward travel distance of the extraction bag seat 5 during the formation of the horizontal seal is canceled and returned to the position swung by 90 ° about the axis L as shown by the arrow b. Run. Thereafter, similarly to the first horizontal seal, the seal head travels obliquely downward as indicated by an arrow c to form a second horizontal seal, and then travels back as indicated by an arrow d.
  • the anvil 76b is columnar, preferably substantially cylindrical, and has a plurality of flat surfaces 76b1 extending in the longitudinal direction on the peripheral surface thereof. More specifically, as shown in FIGS. 4 and 5, the anvil 76 b of this embodiment has six belt-like flat surfaces 76 b 1 extending in the longitudinal direction on the peripheral surface of the columnar anvil, and is constant in the circumferential direction. The shape is formed at intervals, and a curved surface 76b2 that forms a cylindrical peripheral surface is formed between adjacent belt-like flat surfaces 76b1.
  • the length in the longitudinal direction of the belt-like flat surface 76b1 is equal to or greater than the width of the horizontal seal.
  • Such a flat surface 76b1 can be formed by partially scraping off the surface of a cylindrical anvil-forming material.
  • the anvil 76b is supported by the anvil fixing means 76c so that it can be rotated in the circumferential direction by the anvil fixing means 76c and can be fixed with the flat surface 76b1 of the peripheral surface of the anvil 76b facing the seal head 76a.
  • the anvil fixing means 76c is formed with a cylindrical groove 76c2 into which a substantially columnar anvil 76b can be inserted and a split groove 76c3.
  • an anvil support member 76c1 and a clamp bolt 76c4 for tightening or loosening the split groove 76c3 of the anvil support member 76c1.
  • the axis of the cylindrical groove 76c2 (that is, the rotation axis when the anvil 76b is inserted into the cylindrical groove 76c2 and the anvil 76b is rotated in the circumferential direction) is parallel to the horizontal seal forming direction. ing.
  • the end surface of the anvil support member 76c1 on the seal head 76a side is formed on a flat surface facing the presser 78.
  • the width W (FIG. 3) of the flat surface 76b1 of the columnar anvil may be increased, and the flat surface 76b1 may be opposed to the presser 78.
  • the end surface on the seal head 76a side of the anvil support member 76c1 face the presser 78, It becomes possible to secure a larger number of strip-like flat surfaces 76b1 on the peripheral surface of the columnar anvil 76b.
  • the substantially columnar anvil 76b is inserted into the cylindrical groove 76c2 of the anvil fixing means 76c, and the anvil 76b is surrounded by the anvil 76b.
  • the anvil 76b is fixed to the anvil fixing means 76c by rotating in the direction so that one flat surface 76b1 faces the seal head 76a and tightening the clamp bolt 76c4 in this state.
  • the shape of the columnar anvil is not particularly limited as long as it has a plurality of flat surfaces extending in the longitudinal direction on its peripheral surface.
  • a columnar anvil 76b- 2 shown in FIG. Four belt-like flat surfaces 76b1 may be formed at equal intervals in the circumferential direction of the anvil 76b on the peripheral surface of the anvil.
  • a curved surface 76b2 forming a cylindrical peripheral surface is formed between the belt-like flat surfaces 76b1.
  • the belt-like flat surface 76b1 may be a prismatic shape continuously provided in the circumferential direction of the columnar anvil.
  • the formation position of the belt-like flat surface in the longitudinal direction of the columnar anvil does not necessarily have to be from one end to the other end of the columnar anvil, and the width of the horizontal seal is increased as in the columnar anvil 76b- 4 shown in FIG.
  • the portion that exceeds this may be a columnar shape without the flat surface 76b1.
  • the mechanism for rotatably supporting the columnar anvil 76b in the circumferential direction and the fixing means thereof For example, a cylindrical groove 76c2 into which the columnar anvil 76b can be inserted, such as the anvil fixing means 76c shown in FIG.
  • An anvil support member 76c1 having the above-mentioned structure and a set screw 76c5 for directly pressing the columnar anvil 76b to fix the columnar anvil 76b to the anvil support member 76c1 may be used.
  • the seal head 76a whose tip protrudes tapered on the flat surface 76b1 of the columnar anvil 76b during horizontal sealing.
  • traveling for the seal formation width of the lateral seal, and performing ultrasonic welding fusing of the extraction bag sheet 5 compared to the case of using a cylindrical anvil in which the facing surface of the seal head 76a is a curved surface, Anvil wear due to ultrasonic welding can be reduced. For example, the life of the anvil can be extended by 25 to 50%.
  • the clamp flat bolt 76c4 is loosened and the columnar anvil 76b is rotated in the circumferential direction so that a new flat surface 76b1 is formed on the seal head 76a. Since the clamp bolts 76c4 can be tightened and fixed again, a horizontal seal can be formed stably at a predetermined seal strength at all times.
  • the columnar anvil 76b is rotated in the circumferential direction.
  • the columnar anvil 76b can be tightened substantially evenly from the entire circumference of the columnar anvil 76b when the columnar anvil 76b is fixed. Therefore, the fixed state of the columnar anvil 76b can be stabilized. it can.
  • the anvil 76b does not travel in the horizontal direction when the horizontal seal is formed, but travels in the vertical direction in synchronization with the seal head 76a. More specifically, as shown in FIG. 1, when the first horizontal seal is formed, it travels downward as indicated by an arrow a ′ together with the extraction bag sheet 5 and thereafter the first horizontal seal is formed. The travel distance below is canceled and the vehicle travels back as indicated by the arrow b 'to the position swung by 90 ° about the axis L. While forming the second horizontal seal, it moves downward as indicated by the arrow c'. Travel and then travel back as indicated by arrow d '. Thereafter, the formation of the first horizontal seal and the formation of the second horizontal seal are repeated. By running the seal head 76a and the anvil 76b in this manner, the extraction bag sheet 5 can be continuously run without being intermittently fed at the time of lateral sealing, so the production speed of the extraction bag can be improved.
  • the movement of the above-described lateral sealing device 76 is performed by the drive mechanism shown in FIGS. That is, the filling and packaging machine 70 includes a base plate vertical drive servo motor 761 and a base plate 764 that repeats vertical movement by a crank 762 and a link 763 connected to the servo motor 761. Further, the servo motor 770 for 90 ° swing and a 90 ° swing plate 772 that is connected to the servo motor 770 by a spline shaft 771 and repeats 90 ° swing are provided. Since the 90 ° swing plate 772 is provided on the base plate 764 described above, the vertical movement is repeated.
  • the seal head 76a travels in the width direction described above, and the back-and-forth movement of the presser 78 that flatly crushes the extraction bag sheet 5 formed in the cylindrical body with respect to the lateral seal position.
  • a horizontal drive servo motor 780 that carries forward and backward movement with respect to the lateral seal position of the anvil 76b. That is, the rotation of the servo motor 780 is transmitted to the cam 782 by the gear 781, and the cam follower 783 driven by the groove formed on the upper surface of the cam 782 swings the link mechanism 784 as shown by the arrow p (FIG. 12).
  • a groove is also formed on the lower surface of the cam 782, and a cam follower 790 driven by the groove swings the link mechanism 791 as indicated by an arrow q (FIG. 12), whereby the seal head 76a is moved in the width direction. Move.
  • the base plate vertical drive servo motor 761, the 90 ° swing servo motor 770, and the horizontal drive servo motor 780 are controlled by a control device (not shown) capable of interlocking drive.
  • a control device capable of interlocking drive.
  • Each rotation speed is controlled by. Therefore, the traveling speed of the seal head 76a, the columnar anvil 76b, and the presser 78 that are in contact with the extraction bag sheet 5 when the lateral seal is formed is completely the same as the speed component in the traveling direction of the extraction bag sheet 5. And can be controlled at the same speed. Therefore, it is possible to eliminate the occurrence of pulsation or meandering in the running speed of the extraction bag sheet 5, and the extraction bag 6 having a beautiful tetrahedral shape can be manufactured.
  • the extraction bag sheet 5 to be applied to the extraction bag filling and packaging machine 70 is composed of a long sheet made of a woven fabric, a nonwoven fabric or a laminate thereof for producing an extraction bag, and a thread tag is attached as necessary. Various things can be used.
  • a thread material one formed from a material capable of ultrasonic welding or heat welding including thermoplastic synthetic fibers such as polypropylene and polyethylene can be used, and as a tag, paper, plastic sheet, etc. Can be used.
  • thermoplastic synthetic fibers such as polypropylene and polyethylene
  • tag, paper, plastic sheet, etc. Can be used.
  • water-permeable filter sheet synthetic fibers such as polyester, nylon, polyethylene, and polypropylene, semi-synthetic fibers such as rayon, woven fabrics, non-woven fabrics, and papers made of natural fibers such as Kozo and Mitsuma A film having many holes can be used.
  • extraction bag sheet 5 a sheet wound in a roll shape may be used, and a hanging thread or tag is attached to a water-permeable filterable sheet constituting the extraction bag sheet. Any machine that produces sheet for use may be used in combination with the extraction bag filling and packaging machine 70 of the present invention.
  • the extraction bag filling and packaging machine of the present invention can take various forms in addition to the above-described embodiments.
  • the filling and packaging machine 70B for the extraction bag shown in FIG. 13 replaces the ultrasonic welding fusing device 760 provided on the above-described 90 ° swing plate 772 as the horizontal sealing device 76, and the ultrasonic welding fusing direction is the top surface.
  • Two ultrasonic welding fusing devices 760A and 760B arranged so as to intersect with each other are provided directly on the base plate 764. In this case, two ultrasonic welding fusing devices 760A and 760B are used alternately.
  • the second horizontal seal is formed by running the seal head obliquely downward as indicated by arrow c using another ultrasonic welding fusing device 760B, and then the second horizontal seal as indicated by arrow d.
  • the travel distance to the processing of the extraction bag sheet 5 during the formation is returned to the cancel position and travels.
  • a heat welding device may be used, and an ultrasonic welding fusing device may be used.
  • an ultrasonic welding fusing device is used.
  • the seal head may be a traveling seal head having a tapered tip, and a direct pressing type welding and fusing device in which the tip of the seal head is formed flat in the seal forming width. May be used.
  • the machine for producing a sheet for an extraction bag of the present invention is useful for continuously producing tea bags such as black tea, green tea and herbs, and extraction bags for dried stock such as dried and dried bonito on the production line.

Abstract

　四面体形状の抽出バッグ６を製造する抽出バッグ用充填包装機７０が、抽出バッグ用シート５を筒状体に形成する縦シール装置７５、シート送り手段、抽出バッグ用シートの筒状体を、上面視で互いに交差する方向に交互に超音波溶着溶断することにより第１の横シールと第２の横シールを交互に形成する横シール装置７６、及び第１の横シールの形成と第２の横シールの形成を交互に繰り返す間に、抽出バッグ用シートの筒状体の内部に内容物を充填する充填装置８０を有する。横シール装置７６は、走行式シールヘッド７６ａと柱状アンビル７６ｂとアンビル固定手段７６ｃとを備える。柱状アンビル７６ｂは周方向に回転可能で、周面に、長手方向に伸びた複数の平坦面76b1を有する。横シールは、この平坦面76b1とシールヘッド７６ａとを対向させて行う。これにより、アンビル７６ｂの摩耗を低減し、摩耗面の取り替えを容易にする。

Description

抽出バッグ用充填包装機
　本発明は、帯状の抽出バッグ用シートから四面体形状の抽出バッグを製造する抽出バッグ用充填包装機に関する。
　紅茶、緑茶、ハーブ等のティーバッグ、煮干し、鰹節等のだしの抽出バッグとして、不織布等の通水濾過性の抽出バッグ用シートを四面体形状の袋体に形成すると共に、その内部に茶葉等の抽出材料を充填し、外表面にタグ付き吊し糸を取り付けたものが使用されている。
　このような抽出バッグを製造する抽出バッグ用充填包装機としては、吊し糸となる糸材とタグとを帯状の通水濾過性シートに配置した抽出バッグ用シートの対向縁部を互いに接着することにより筒状に成形した後、その筒状体を押し潰して幅方向に溶着溶断する第１の横シールの形成と、それと交差する幅方向に溶着溶断する第２の横シールの形成とを交互に行うと共に、これらの横シールの形成の間に内容物を充填する装置が使用されている（特許文献１、特許文献２）。
　そして、この抽出バッグ用充填包装機における横シール用の溶着溶断装置としては、先端が先細のホーンを備えた超音波発振器と、それに対向するアンビルとを同期させてシール方向に往復移動させる走行式のものが知られている。また、この場合のアンビルを回転こま形状とし、アンビルが摩耗した時にはアンビルを回転させ、そのホーンに対向する面を変更することが提案されている（特許文献３）。
特表２００１－５１９７２９号公報 特表２００６－５１０５５０号公報 特許２９９５４９９号公報
　超音波溶着溶断装置のシールヘッドとして、先端が先細のホーンを備えた走行式のものを使用すると、シールヘッドの先端幅を被シール物のシール幅に形成した所謂直押式のシールヘッドを使用する場合に比して、シールヘッドを小型軽量化し、高速駆動させることが可能となる。
　しかしながら、シールヘッドに同期させてアンビルを移動させるためには、抽出バッグ用シートのシールヘッド側において、左右に走行するシールヘッドの上下で抽出バッグ用シートを押さえる押さえが必要になると共に、アンビル側においても左右に走行するアンビルの上下で抽出バッグ用シートを押さえる押さえが必要となるため、装置構成が大がかりとなり、かえってシール速度が低下する。
　そこで、アンビルとして、抽出バッグ用シートの横シール幅以上の長さを有する円柱状アンビルを使用し、アンビルの横シール方向の移動を不要にすることが考えられる。しかしながら、この場合には、シールヘッドとアンビルが相対運動をすることになるので、アンビルの摩耗が早まるという問題が生じる。特にこの摩耗の問題は、シール速度を速めるために相対運動の速度を大きくする場合に顕著となる。
　これに対し、本発明は、抽出バッグ用充填包装機の横シール用の溶着溶断装置において、走行式シールヘッドと柱状アンビルとを使用しつつ、そのアンビルの摩耗速度を緩和し、さらにアンビルの摩耗時には、走行式シールヘッドとの対向面を容易に変更できるようにすることを目的とする。
　本発明者は、走行式シールヘッドに対向させるアンビルとして、周方向に回転可能な柱状アンビルを使用し、かつその周面のうちシールヘッドが当たる部分を平坦に形成することにより、走行式シールヘッドとアンビルが相対運動をするにもかかわらず、アンビルの摩耗が緩和することを見いだした。
　即ち、本発明は、抽出バッグ用シートを用いて四面体形状の抽出バッグを製造する抽出バッグ用充填包装械であって、
抽出バッグ用シートの長手方向の両側縁部を溶着することにより抽出バッグ用シートを筒状体に形成する縦シール装置、
抽出バッグ用シートを一定速度で走行させるシート送り手段、
抽出バッグ用シートの筒状体を、上面視で互いに交差する方向に交互に超音波溶着溶断することにより第１の横シールと第２の横シールを交互に形成する横シール装置、及び
第１の横シールの形成と第２の横シールの形成を交互に繰り返す間に、抽出バッグ用シートの筒状体の内部に内容物を充填する充填装置を有し、
前記横シール装置が、先端が先細の走行式シールヘッドと、柱状アンビルと、シールヘッドに対する柱状アンビルの対向面を固定するアンビル固定手段とを備え、
柱状アンビルは、周方向に回転可能でその回転軸が横シールの形成方向と平行であり、周面に、長手方向に伸びた複数の平坦面を有する抽出バッグ用充填包装機を提供する。
　本発明の抽出バッグ用充填包装機によれば、筒状体に成形した抽出バッグ用シートの超音波溶着溶断により横シールを形成する横シール装置が、走行式シールヘッドを備えているので、シールヘッドを小型軽量化して高速駆動させることが可能となる。
　さらに、この横シール装置は柱状アンビルを備え、柱状アンビルは、その周面に、長手方向に伸びた複数の平坦面を有するので、その平坦面をシールヘッドに対向させることができる。このため、アンビルの摩耗速度が緩和される。
　加えて、柱状アンビルは、その周方向に回転可能であるため、シールヘッドに対向していた平坦面が摩耗した場合には、回転により順次新たな平坦面をシールヘッドに対向させることができる。したがって、シール不良をなくすことができる。
図１は抽出バッグ用充填包装機の模式図である。 図２は抽出バッグ用充填包装機の横シール装置付近の側面図である。 図３は横シール装置のシールヘッド付近の拡大側面図である。 図４は柱状アンビルの斜視図である。 図５は柱状アンビルの断面図である。 図６は柱状アンビルとアンビル固定手段の上面組み立て図である。 図７は柱状アンビルとそれを固定しているアンビル固定手段の断面図である。 図８は柱状アンビルの変形例とそれを固定しているアンビル固定手段の断面図である。 図９は柱状アンビルの変形例とそれを固定しているアンビル固定手段の断面図である。 図１０は柱状アンビルの変形例の斜視図である。 図１１はアンビル固定手段の変形例を示す横シール装置のシールヘッド付近の拡大側面図である。 図１２は横シール装置の上面視の動作説明図である。 図１３は抽出バッグ用充填包装機の模式図である。
符号の説明
　５　　抽出バッグ用シート
　６　　抽出バッグ
７０、７０Ｂ　　充填包装機
７２　　フォーマーガイド
７３　　筒体
７４　　送りローラ
７５　　縦シール装置
７６　　横シール装置
７６ａ　シールヘッド
７６ｂ、７６ｂ-2、７６ｂ-3、７６ｂ-4　柱状アンビル
　76b1　柱状アンビルの周面における平坦面
　76b2　柱状アンビルの周面における曲面
７６ｃ　アンビル固定手段
　76c1　アンビル支持部材
　76c2　円筒状の溝
　76c3　割溝
　76c4　クランプボルト
　76c5　セットネジ
　760,760A,760B　　超音波溶着溶断装置
　761　　ベースプレート上下駆動用サーボモータ
　762　　クランク
　763　　リンク
　764　　ベースプレート
　770　　９０°揺動用サーボモータ
　771　　スプライン軸
　772　　９０°揺動プレート
　780　　水平駆動用サーボモータ
　781　　歯車
　782　　カム
　783　　カムフォロア
　784　　リンク機構
　785　　ロッド
　786　　基台
　790　　カムフォロア
　791　　リンク機構
７７　　スクラップ巻き取り手段
７８　　押さえ
８０　　オーガ充填装置
ａ、ｂ、ｃ、ｄ　　シールヘッドの動きを示す矢印
ａ’、ｂ’、ｃ’、ｄ’　　アンビルの動きを示す矢印
　Ｌ　　抽出バッグ用シートの筒状体の軸
　ｐ　　リンク機構の動きを示す矢印
　ｑ　　カムフォロアの動きを示す矢印
　Ｗ　　柱状アンビルの周面における平坦面の幅
　以下、図面を参照しつつ、本発明を具体的に説明する。なお、各図中、同一符号は同一又は同等の構成要素を表している。
　図１は、本発明の一実施例の抽出バッグ用充填包装機７０の模式図であり、図２は、その充填包装機７０において横シールを行う横シール装置７６付近の側面図であり、図３は横シール装置７６のシールヘッド付近の拡大側面図でる。
　この充填包装機７０は、抽出バッグ用シート５を用いて四面体形状の抽出バッグ６を製造する機械であって、概略、抽出バッグ用シート５を案内するフォーマーガイド７２を備えた筒体７３、筒体７３に巻き付けた抽出バッグ用シート５を一定速度で下方に走行させるシート送り手段（送りローラ７４）、抽出バッグ用シート５の長手方向の両側縁部を溶着することにより筒状体に形成する縦シール装置７５、筒状体に形成した抽出バッグ用シート５を、上面視で互いに交差する方向に超音波溶着溶断することにより第１の横シールと第２の横シールを交互に形成する横シール装置７６、第１の横シールの形成と第２の横シールの形成を交互に繰り返す間に、抽出バッグの内容物となる茶葉等を筒体７３に所定量ずつ送り込み、抽出バッグ用シート５の筒状体の内部に茶葉等を充填するオーガ充填装置８０を有している。
　縦シール装置７５としては、超音波溶着溶断装置を備えており、縦シール形成時に生じる不要な縁部（耳部）を巻き取るスクラップ巻き取り手段７７を備えている。
　横シール装置７６としては、各横シールの形成毎に、抽出バッグ用シート５の筒状体の軸Ｌを中心に溶着溶断方向が所定角度、好ましくは９０°、揺動し、図１において実線で記載した位置と破線で記載した位置を交互にとる一つの超音波溶着溶断装置760を備えている。この超音波溶着溶断装置760は、先端が先細に突出したシールヘッド７６ａと、略円柱状のアンビル７６ｂと、筒状体に形成されている抽出バッグ用シート５を横シールの形成時に平坦に押し潰す押さえ７８とを有する。
　押さえ７８は、横シールの形成幅を有しており、横シール形成時に、シールヘッド７６ａの上下で抽出バッグ用シート５を押さえ、抽出バッグ用シート５と共に下方に走行する。
　シールヘッド７６ａは、先端が先細に突出しており、それを走行させることにより任意の長さにシールを形成することができる所謂走行式のものである。走行式のシールヘッドを用いることにより、シールヘッドを小型軽量化することができるので、高速で駆動させることが容易となり、また、その駆動機構をコンパクトに構成することが可能となる。
　シールヘッド７６ａは、押さえ７８が抽出バッグ用シート５の筒状体を平坦に押し潰している状態で、その抽出バッグ用シート５に当接し、押し潰されている筒状体の幅方向に走行すると共に、下方にも走行し、これにより、抽出バッグ用シート５の下方への走行を停止させることなく、抽出バッグ用シート５に一定の走行速度を維持しつつ横シールを形成する。そして該横シールの形成後、シールヘッド７６ａは、その横シールを形成する間の抽出バッグ用シート５の下方への走行距離をキャンセルする位置に戻し走行する。
　したがって、シールヘッド７６ａのトータルの動きとしては、第１の横シールの形成時には、上述の幅方向と下方の動きの合成により、矢印ａのように斜め下方に走行する。そして、該横シールを形成後、該横シールを形成する間の抽出バッグ用シート５の下方への走行距離をキャンセルすると共に軸Ｌを中心に９０°揺動した位置に矢印ｂのように戻し走行する。その後、第１の横シールと同様に、シールヘッドを矢印ｃのように斜め下方に走行することにより第２の横シールを形成し、その後、矢印ｄのように戻し走行する。
　一方、本発明において、アンビル７６ｂは柱状、好ましくは略円柱状で、その周面に長手方向に伸びた複数の平坦面76b1を有する。より具体的には、図４、図５に示すように、本実施例のアンビル７６ｂは円柱型のアンビルの周面に、長手方向に伸びた６個の帯状平坦面76b1を、周方向に一定間隔で形成した形状となっており、隣り合う帯状平坦面76b1同士の間は円柱形状の周面を形成する曲面76b2となっている。ここで、帯状平坦面76b1の長手方向の長さは、横シールの形成幅以上になっている。このような平坦面76b1は、円柱型のアンビル形成材料の表面を部分的に平坦に削り落とすことにより形成することができる。
　アンビル７６ｂは、アンビル固定手段７６ｃにより、周方向に回転可能で、かつ、アンビル７６ｂの周面の平坦面76b1をシールヘッド７６ａに対向させた状態で固定できるようにアンビル固定手段７６ｃに支持されている。より具体的には、図６、図７に示すように、本実施例において、アンビル固定手段７６ｃは、略円柱状のアンビル７６ｂを挿入可能な円筒状の溝76c2と割溝76c3とが形成されたアンビル支持部材76c1と、アンビル支持部材76c1の割溝76c3を締めたり緩めたりするクランプクボルト76c4とを有している。
　ここで円筒状の溝76c2の軸（即ち、この円筒状の溝76c2にアンビル７６ｂを挿入してアンビル７６ｂを周方向に回転させた場合の回転軸）は、横シールの形成方向と平行となっている。
　また、アンビル支持部材76c1のシールヘッド７６ａ側端面は、押さえ７８と対向する平坦面に形成されている。柱状アンビルの平坦面76b1の幅Ｗ（図３）を大きくとり、平坦面76b1を押さえ７８と対向させてもよいが、アンビル支持部材76c1のシールヘッド７６ａ側端面を押さえ７８と対向させることにより、柱状アンビル７６ｂに周面に帯状平坦面76b1の個数をより多く確保することが可能となる。
　この充填包装機７０の稼働時には、図６（ｂ）、図７に示すように、略円柱状のアンビル７６ｂをアンビル固定手段７６ｃの円筒状の溝76c2に挿入し、その中でアンビル７６ｂを周方向に回転させて一つの平坦面76b1をシールヘッド７６ａに対向させ、その状態でクランプボルト76c4を締めることによりアンビル７６ｂをアンビル固定手段７６ｃに固定する。
　なお、本発明において柱状アンビルの形状は、その周面に長手方向に伸びた複数の平坦面を有する限り特に制限はなく、例えば、図８に示す柱状アンビル７６ｂ-2のように、円柱型のアンビルの周面に、４個の帯状平坦面76b1をアンビル７６ｂの周方向に等間隔に形成してもよい。この場合、帯状平坦面76b1同士の間は円柱形状の周面をなす曲面76b2とすることが好ましい。また、図９に示す柱状アンビル７６ｂ-3のように、帯状平坦面76b1を柱状アンビルの周方向に連設した角柱状としてもよい。好ましくは、円柱型のアンビルの周面に４～１２個の帯状の平坦面を形成する。また、柱状アンビルの長手方向における帯状平坦面の形成位置は、必ずしも柱状アンビルの一端から他端までとする必要はなく、図１０に示す柱状アンビル７６ｂ-4のように、横シールの形成幅を超える部分は、平坦面76b1のない円柱状としてもよい。
　柱状アンビル７６ｂを周方向に回転可能に支持する機構や、その固定手段についても特に制限はなく、例えば図１１に示すアンビル固定手段７６ｃのように、柱状アンビル７６ｂを挿入可能な円筒状の溝76c2を有するアンビル支持部材76c1と、柱状アンビル７６ｂを直接的に押しつけて柱状アンビル７６ｂをアンビル支持部材76c1に固定するセットネジ76c5を用いても良い。
　以上の走行式のシールヘッド７６ａと柱状アンビル７６ｂとアンビル固定手段７６ｃとを有する横シール装置７６によれば、横シール時に、先端が先細に突出したシールヘッド７６ａが柱状アンビル７６ｂの平坦面76b1に対向し、横シールのシール形成幅分走行して、抽出バッグ用シート５の超音波溶着溶断を行うので、シールヘッド７６ａの対向面が曲面となる円柱状アンビルを使用する場合に比して、超音波溶着溶断に伴うアンビルの摩耗を低減させることができ、例えば、アンビルの寿命を２５～５０％延ばすことができる。
　また、シールヘッド７６ａの対向面が曲面となる円柱状アンビルを使用する場合に比して、抽出バッグ用シート５の横シール部分の溶融量を増加させ、シール強度を向上させることも可能となる。
　さらに、シールヘッド７６ａに対向する柱状アンビル７６ｂの平坦面76b1が摩耗した場合には、クランプクボルト76c4を緩めて柱状アンビル７６ｂを周方向に回転させることにより新たな平坦面76b1をシールヘッド７６ａに対向させ、再度クランプクボルト76c4を締めて固定することができるので、常時、所定のシール強度で安定して横シールを形成することができる。
　特に、アンビル支持部材76c1の円筒状の溝76c2の内で柱状アンビルの曲面76b2を摺接させ、割溝76c3とクランプクボルト76c4で柱状アンビル７６ｂを固定すると、柱状アンビル７６ｂを周方向に回転させるときには滑らかに回転させることができ、また、柱状アンビルを固定するときには、柱状アンビル７６ｂの全周から略均等に柱状アンビル７６ｂを締め付けることができるので、柱状アンビル７６ｂの固定状態を安定化させることができる。
　また、このアンビル７６ｂは、横シールの形成時に、水平方向の走行はしないが、垂直方向には、シールヘッド７６ａと同期して走行する。より具体的には、図１に示すように、第１の横シールの形成時には抽出バッグ用シート５と共に矢印ａ’のように下方に走行し、その後、第１の横シールを形成するの間の下方への走行距離をキャンセルすると共に軸Ｌを中心に９０°揺動した位置に矢印ｂ’のように戻し走行し、第２の横シールを形成する間は矢印ｃ’のように下方に走行し、その後矢印ｄ’のように戻し走行する。以降、この第１の横シールの形成と第２の横シールの形成を繰り返す。このようにシールヘッド７６ａとアンビル７６ｂを走行させることにより、横シール時に抽出バッグ用シート５を間欠送りすることなく、連続走行させることができるので、抽出バッグの生産速度を向上させることができる。
　この充填包装機７０において、上述の横シール装置７６の動きは、図２及び図１２に示す駆動機構により行われる。即ち、充填包装機７０は、ベースプレート上下駆動用サーボモータ761と、このサーボモータ761に接続したクランク762とリンク763により上下動を繰り返すベースプレート764を有している。また、９０°揺動用サーボモータ770と、このサーボモータ770とスプライン軸771で接続され、９０°揺動を繰り返す９０°揺動プレート772を有している。この９０°揺動プレート772は、上述のベースプレート764上に設けられているため、上下動も繰り返す。
　９０°揺動プレート772上には、シールヘッド７６ａの上述の幅方向の走行と、筒状体に形成されている抽出バッグ用シート５を平坦に押し潰す押さえ７８の横シール位置に対する前後の動きと、アンビル７６ｂの横シール位置に対する前後の動きを担う水平駆動用サーボモータ780を有している。即ち、サーボモータ780の回転は、歯車781によってカム782に伝えられ、カム782の上面に形成された溝を従動するカムフォロア783が、リンク機構784を矢印ｐ（図１２）のように揺動させ、それによりアンビル７６ｂが横シール位置に対して水平面内で前後に動く。また、このリンク機構784と接続したロッド785が、押さえ７８の基台786を動かすことにより、押さえ７８を横シール位置に対して水平面内で前後に動かす。
　さらに、カム782の下面にも溝が形成されており、この溝を従動するカムフォロア790がリンク機構791を矢印ｑ（図１２）のように揺動させ、これにより、シールヘッド７６ａが幅方向に動く。
　このような駆動機構において、ベースプレート上下駆動用サーボモータ761、９０°揺動サーボモータ770、水平駆動用サーボモータ780は、連動駆動を可能とする制御装置（図示せず）により制御され、制御盤にてそれぞれの回転速度が制御される。したがって、横シールの形成時に抽出バッグ用シート５と接する、シールヘッド７６ａ、柱状アンビル７６ｂ及び押さえ７８の走行速度を、抽出バッグ用シート５の走行方向の速度成分について、完全に抽出バッグ用シート５と同速に制御することができる。よって、抽出バッグ用シート５の走行速度に脈動が生じたり、蛇行が生じたりすることを解消でき、綺麗な四面体形状の抽出バッグ６を製造することができる。
　この抽出バッグ用充填包装機７０にかける抽出バッグ用シート５としては、抽出バッグ製造用の織物、不織布又はこれらの積層体からなる長尺のシートからなり、必要に応じて糸タグを貼着したもの等を種々使用することができる。
　例えば、糸材としては、ポリプロピレン、ポリエチレン等の熱可塑性合成繊維をはじめとして超音波溶着や熱溶着が可能な素材から形成されたものを使用することができ、タグとしては、紙、プラスチックシート等から形成されたものを使用することができる。また、通水濾過性シートとしては、ポリエステル、ナイロン、ポリエチレン、ポリプロピレン等の合成繊維、レーヨン等の半合成繊維、コウゾ、ミツマタ等の天然繊維の単独又は複合繊維からなる織布、不織布、紙類、多くの孔を開けたフィルム等を使用することができる。
　通水濾過性シート上のタグや糸材の配置についても特に制限はない。
　さらに、抽出バッグ用シート５としては、ロール状に巻き回されたものを使用してもよく、抽出バッグ用シートを構成する通水濾過性シートに吊し糸やタグを貼着して抽出バッグ用シートを製造する任意の機械を本発明の抽出バッグ用充填包装機７０と組み合わせて使用してもよい。
　本発明の抽出バッグ用充填包装機は、上述した実施例の他、種々の態様をとることができる。例えば、図１３に示す抽出バッグ用充填包装機７０Ｂは、横シール装置７６として、前述の９０°揺動プレート772上に設けた超音波溶着溶断装置760に代えて、超音波溶着溶断方向が上面視で交差するように配置した２つの超音波溶着溶断装置760A、760Bをベースプレート764に直接的に設けたものである。この場合、２つの超音波溶着溶断装置760A、760Bを交互に使用する。また、各超音波溶着溶断装置760A、760Bによる横シールの形成方法としては、第１の横シールの形成時には、一方の超音波溶着溶断装置760Aを用いて、図１の抽出バッグ用充填包装機７０の場合と同様に、シールヘッド７６ａを矢印ａのように斜め下方に走行させる。その後、矢印ｂのように、第１の横シールを形成する間の抽出バッグ用シート５の下方への走行距離をキャンセル位置に戻し走行させる。一方、他の超音波溶着溶断装置760Bを用いて矢印ｃのようにシールヘッドを斜め下方に走行させることにより第２の横シールを形成し、その後、矢印ｄのように、第２の横シールを形成する間の抽出バッグ用シート５の加工への走行距離をキャンセル位置に戻し走行させる。
　本発明の充填包装機は、縦シール装置には特に制限はなく、熱溶着装置を使用してもよく、超音波溶着溶断装置を使用してもよいが、例えば、超音波溶着溶断装置を使用する場合に、そのシールヘッドとしては、先端が先細に突出した走行式シールヘッドにしてもよく、シールヘッドの先端部が、シールの形成幅に扁平に成形されている直押式の溶着溶断装置を使用してもよい。
　本発明の抽出バッグ用シートの製造機械は、紅茶、緑茶、ハーブ等のティーバッグ、煮干し、鰹節等のだしの抽出バッグを生産ラインで連続的に製造するために有用である。

Claims (5)

  1. 　抽出バッグ用シートを用いて四面体形状の抽出バッグを製造する抽出バッグ用充填包装械であって、
    抽出バッグ用シートの長手方向の両側縁部を溶着することにより抽出バッグ用シートを筒状体に形成する縦シール装置、
    抽出バッグ用シートを一定速度で走行させるシート送り手段、
    抽出バッグ用シートの筒状体を、上面視で互いに交差する方向に交互に超音波溶着溶断することにより第１の横シールと第２の横シールを交互に形成する横シール装置、及び
    第１の横シールの形成と第２の横シールの形成を交互に繰り返す間に、抽出バッグ用シートの筒状体の内部に内容物を充填する充填装置を有し、
    前記横シール装置が、先端が先細の走行式シールヘッドと、柱状アンビルと、シールヘッドに対する柱状アンビルの対向面を固定するアンビル固定手段とを備え、
    柱状アンビルは、周方向に回転可能でその回転軸が横シールの形成方向と平行であり、周面に、長手方向に伸びた複数の平坦面をする抽出バッグ用充填包装機。
  2. 　柱状アンビルは円柱状であり、その周面に長手方向に伸びた4～１２個の帯状平坦面が形成されている請求項１記載の抽出バッグ用充填包装機。
  3. 　各横シールの形成時に、抽出バッグ用シートが一定速度で走行するように、横シール装置を走行させ、各横シールの形成毎に、該横シールを形成する間の抽出バッグ用シートの走行距離をキャンセルする位置に横シール装置を戻し走行させる請求項１又は２記載の抽出バッグ用充填包装機。
  4. 　横シール装置として、抽出バッグ用シートの筒状体の軸中心に、溶着溶断方向が交互に揺動する１つの超音波溶着溶断装置を有する請求項１～３のいずれかに記載の抽出バッグ用充填包装機。
  5. 　横シール装置として、溶着溶断方向が上面視で交差するように配置した２つの超音波貼着溶断装置を有する請求項１～３のいずれかに記載の抽出バッグ用充填包装機。
PCT/JP2008/070883 2008-11-17 2008-11-17 抽出バッグ用充填包装機 WO2010055591A1 (ja)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016059510A1 (en) * 2014-10-15 2016-04-21 I.M.A. Industria Macchine Automatiche S.P.A. Device and method for feeding and dosing filter bags with infusion or extraction products

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03275409A (ja) * 1990-03-10 1991-12-06 Kataoka Bussan Kk 三角錐形ティーバッグの製造法及びその装置
JPH04312836A (ja) * 1991-04-11 1992-11-04 Fuso Sangyo Kk 超音波接着装置
WO2004020177A1 (en) * 2002-08-29 2004-03-11 Mars, Incorporated Method and apparatus for performing continuous motion intermittent ultrasonic sealing
JP2008213852A (ja) * 2007-02-28 2008-09-18 Sanko Kikai Kk 自動包装機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03275409A (ja) * 1990-03-10 1991-12-06 Kataoka Bussan Kk 三角錐形ティーバッグの製造法及びその装置
JPH04312836A (ja) * 1991-04-11 1992-11-04 Fuso Sangyo Kk 超音波接着装置
WO2004020177A1 (en) * 2002-08-29 2004-03-11 Mars, Incorporated Method and apparatus for performing continuous motion intermittent ultrasonic sealing
JP2008213852A (ja) * 2007-02-28 2008-09-18 Sanko Kikai Kk 自動包装機

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016059510A1 (en) * 2014-10-15 2016-04-21 I.M.A. Industria Macchine Automatiche S.P.A. Device and method for feeding and dosing filter bags with infusion or extraction products
US10450097B2 (en) 2014-10-15 2019-10-22 I.M.A. Industria Macchine Automatiche S.P.A. Device and method for feeding and dosing filter bags with infusion or extraction products

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JPWO2010055591A1 (ja) 2012-04-05

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