WO1998021096A1 - Sealing device for packaging apparatus - Google Patents

Sealing device for packaging apparatus Download PDF

Info

Publication number
WO1998021096A1
WO1998021096A1 PCT/JP1997/003983 JP9703983W WO9821096A1 WO 1998021096 A1 WO1998021096 A1 WO 1998021096A1 JP 9703983 W JP9703983 W JP 9703983W WO 9821096 A1 WO9821096 A1 WO 9821096A1
Authority
WO
WIPO (PCT)
Prior art keywords
film
sealing
heat
push
packaging
Prior art date
Application number
PCT/JP1997/003983
Other languages
French (fr)
Japanese (ja)
Inventor
Tohru Hirasawa
Original Assignee
Nippon Seiki Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Seiki Co., Ltd. filed Critical Nippon Seiki Co., Ltd.
Priority to KR1019980705111A priority Critical patent/KR100315558B1/en
Publication of WO1998021096A1 publication Critical patent/WO1998021096A1/en

Links

Classifications

    • 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
    • B65B51/303—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes reciprocating along only 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
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • 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
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/745—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool
    • B29C65/7451—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool the severing tool and the welding tool being movable with respect to one-another
    • 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
    • B29C66/40—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
    • B29C66/80—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
    • B29C66/81419—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 and flat
    • 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
    • B29C66/81431—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 comprising a single cavity, e.g. 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
    • B29C66/81—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
    • B29C66/8161—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 said pressing elements being supported or backed-up by springs or by resilient material
    • 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
    • B29C66/8242—Pneumatic or hydraulic drives
    • 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
    • B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool 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
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • 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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
    • B65B9/073—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it the web having intermittent motion
    • 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
    • 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
    • B29C65/083—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil
    • B29C65/086—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil using a rotary anvil
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/30—Electrical means
    • B29C65/305—Electrical means involving the use of cartridge heaters
    • 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
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/133—Fin-type joints, the parts to be joined being flexible
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7128—Bags, sacks, sachets

Definitions

  • the present invention relates to a sealing device in a packaging apparatus for heat-sealing a film by sandwiching a position of a film in which a package is stored at a predetermined interval from the outside of the film.
  • the sealing device in this type of packaging apparatus intermittently conveys, for example, a cylindrical film in which the articles to be packaged are stored at predetermined intervals, installs a holding body above and below the film, and temporarily stops the film conveyance. Above the film, the position between the objects to be packaged is sandwiched from outside of the film by this holding body, and the film is welded by the heat of the heater on the front surface of the holding body, and the position between the objects to be packed of the film is sequentially partitioned and sealed. For example, it is configured such that the middle part of the heat sealing position is cut and intermittently conveyed, so that the packaging bags containing the articles to be packaged are sequentially carried out.
  • the heat-sealing position can be controlled. If there is any debris in the package, there is a risk that heat sealing failure may occur.
  • the object to be packaged is such that mushroom-like debris is apt to come out, small pieces of mushrooms, debris at the portion with a stone, or soil may come out in the film. Even if this is not done, if such debris is pinched and pinched together with the film and heat-sealed, the heat-sealing of the films will be insufficient, and the welded spots will come off after bag making, or There is a possibility that a seal failure may occur, for example, where a portion that does not weld at all may occur.
  • this heat seal portion also serves as a cutting position, and if debris is caught in this portion, defective cutting, breakage or wear of the cutting blade may be accelerated.
  • the present invention is an improvement on such a conventional sealing device, It is an object of the present invention to provide an extremely innovative sealing device for a packaging device that can solve the above problem. Disclosure of the invention
  • the present invention intermittently conveys a cylindrical film 1 in which a packaged object 3 is stored at a predetermined interval, and holds the film 1 by sandwiching the packaged object 3 in the film 1 from the outside of the film 1.
  • the film push-up body 20 that pushes up the heat sealing position P of the film 1 is provided, so that the lower portion of the cylindrical film 1 is inwardly pushed by the push-up body 20. Even if there is a defective sealing cause 3A such as debris of the packaged object 3 at the heat sealing position P, it is eliminated.
  • the film push-up body 20 is configured to push up and project toward the heat sealing position P before heat-sealing the cylindrical film 1, so that the By previously pushing up the film with the film pushing-up body 20, the defective sealing cause 3A is removed from the heat sealing position P, and the sealing failure due to the penetration can be prevented.
  • a lower holding member 21 and an upper holding member 22 are arranged above and below the cylindrical film 1 in the width direction of the film 1, and the film 1 is held between the two holding members 21 and 22.
  • a gap 23 is provided in the middle of the lower holding body 21 along the width direction of the cylindrical film 1.
  • the film push-up body 20 Before the lower holding body 21 is raised and heat-sealed, the film push-up body 20 is positioned in the two heat sealing positions P. It works up to the head With this configuration, it is possible to easily remove the seal failure cause 3A from the heat seal position P simply by controlling the film push-up body 20 to drive up the film push-up body 20.
  • An extremely practical packaging device that can easily apply the present invention to a sealing device. An apparatus can be provided.
  • a cutting device 7 is provided by arranging a blade plate 7A for cutting the middle part of the two heat sealing positions P at the middle part of the upper holding body 22 so as to advance and retreat.
  • FIG. 1 is a side view schematically illustrating the configuration of the packaging apparatus of the present embodiment
  • FIG. 2 is a plan view schematically illustrating the configuration of the packaging apparatus of the present embodiment
  • FIG. FIG. 4 is a schematic enlarged explanatory perspective view of a main part of the packaging device, and FIG. 4 shows an operation procedure of the sealing device in the packaging device of the present embodiment.
  • FIG. 5 is an explanatory side view
  • FIG. 5 is a schematic enlarged explanatory side view showing an operation procedure of the sealing device in the packaging device of the present embodiment when the film push-up body is pushed up before the sealing operation.
  • FIG. 7 shows an operation procedure of the sealing device in the packaging device of the present embodiment, and is a schematic enlarged explanatory side view at the time of a sealing operation.
  • Fig. 7 shows an operation procedure of the sealing device in the packaging device of the embodiment.
  • FIG. 8 is an explanatory perspective view of a main part of the present embodiment when the film push-up body is pushed up and projected
  • FIG. 9 is a schematic perspective view of a main part of the present embodiment.
  • FIG. 10 is a schematic configuration front view
  • FIG. 10 is a schematic configuration side view of a main part of the present embodiment
  • FIG. 11 is a schematic configuration front view of the main part of the embodiment when a film push-up body is pushed up.
  • FIG. 12 is a schematic configuration side view at the time of heat sealing and cutting of a main part of the present embodiment.
  • a transport device 2 for transporting the two-folded film 1 is provided in a transport guide portion 13 made of a resin, and the upper left and right edges of the two-folded film 1 are held in the transport guide portion 13 by a predetermined length.
  • an opening guide section for guiding the conveyance is provided as the loading section 4, and an opening / closing plate 15 is provided in the loading section 4 so as to be rotatable and openable.
  • a package 3 such as mushrooms is charged, and the upper opening of the film 1 in which the package 3 is stored is closed with a polymerization seal to form a cylindrical film 1.
  • a cutting device 7 that cuts the gap and separates the subsequent tubular film 1 and the packaging bag 12 containing the package 3 on the transport side is provided at the transport end of the transport device 2, and further on the transport side than the cutting device 7.
  • a transfer device 11 is provided, and a deaeration device 10 is provided above the cylindrical film 1 for pressing and holding the cylindrical film 1 for deaeration. After deaeration, the vertical sealing device 6 and the cutting device 7 are operated to remove the deaeration.
  • the transfer baggage 12 containing the object 3 to be packaged is transported and discharged by the transfer device 11.
  • the tubular film 1 containing the article 3 to be packaged is intermittently transported together with the article 3 placed and thrown into the loading section 4 by the transporting apparatus 2, degassed by the degassing apparatus 10, and then left and right. Pressing and shaping the cylindrical film 1 from above and below with the pressing device 8, and enclosing the rear package 3 and the front package 3 in the film 1 in a partitioned state with the vertical sealing device 6. At the same time, the package is cut by the cutting device 7, and on the transport side, the enclosed packaging bag 3 containing the packaged object 3 is discharged, and the leading end of the subsequent cylindrical film 1 is closed.
  • the package 3 is automatically packaged in the film 1 by a predetermined amount one after another.
  • the vertical seal is closed. Before closing, push the gusset claws 9 A inwards from both sides of the cylindrical film 1 and retract, and then fold the sides of the cylindrical film 1 inward (gazette is applied). Device 9 is provided.
  • the present invention is an application of the present invention to such a vertical sealing device 6 and a cutting device 7 of a packaging device.
  • FIG. 8 the configuration of the vertical sealing device 6 which is the gist of the present invention will be described mainly with reference to FIGS. 8 to 12.
  • FIG. 8 the configuration of the vertical sealing device 6 which is the gist of the present invention.
  • a lower holding member 21 and an upper holding member 22 are arranged above and below a tubular film 1 in which a packaged object 3 is stored at a predetermined interval, and the holding members 21 , And the intermediate position between the package 3 and the package 3 of the film 1, which has been stopped at a predetermined position, is clamped from the outside, and the film is heated by the heater heat on the tip surfaces of the clamps 21 and 22. Welds are welded together to seal the space between the packages 3 of the film 1, and the cutting device 7 cuts the middle part of the heat sealing position P to separate the packaging bag 12 containing the packages 3 on the transport side.
  • the present invention is applied to a sealing device of a packaging device to be carried out.
  • a gap 23 is provided in the middle of the lower holding member 21 in the present embodiment along the width direction of the film 1, and the gap 23 moves the lower holding member 21 to feed the film 1.
  • the slit portion 23 is divided in the front-rear direction with respect to the direction, and the line portion is thermally sealed by dividing the slit portion 23.
  • a film push-up body 20 formed of a plate-like body is disposed at 23 positions of the slit so as to be able to move up and down.
  • the vertical advance / retreat drive mechanism 24 for driving the film push-up body 20 to be pushed up will be described later. In this embodiment, however, before the upper and lower holding bodies 21 and 22 are held, that is, the lower holding body 21 rises. Before carrying out the holding movement for heat sealing, the film push-up body 20 is first raised by the vertical advance / retreat drive mechanism 24 so that the leading edge of the film push-up body 20 pushes up the cylindrical film 1 from below. It is composed.
  • the cylindrical film 1 is intermittently conveyed, and heat-sealed when the intermediate position between the package 3 and the package 3 in the film 1 is located between the upper and lower holding members 21 and 22. Therefore, if the film push-up body 20 is simply pushed up and projected, the edge of the leading end plate always pushes up the heat sealing position P of the cylindrical film 1 reliably.
  • the width of the plate-shaped film push-up body 20 is set to substantially match the width of the heat sealing position P of the cylindrical film 1.
  • the amount by which the film 20 is pushed up by the body 20 is set such that the leading edge of the film 1 can push the film 1 in. Therefore, the leading edge of the film push-up body 20 pushes the film 1 from below, and the lower portion of the film 1 has a heat sealing position P at the peak, that is, a ridge line along the width direction of the cylindrical film 1. It will be lifted in a mountain-like manner.
  • the pushing-up operation causes the heat sealing position P to become the peak ⁇ (ridgeline) so that the debris 3 A can be sorted out. Sliding is eliminated.
  • the seal failure cause 3A is removed from the heat seal position P, and the seal failure due to the penetration can be always prevented.
  • a slit 25 is provided in the middle of the upper holding member 22 along the width direction of the film 1, and a blade for cutting the middle of the two heat sealing positions P in the slit 25 is provided.
  • the cutting device 7 is provided by arranging the plate 7A to be able to move up and down.
  • the lower holding body 21 is configured to move up and down along the left and right guide rods 26, and a holding body driving cylinder 28 is suspended from a lower mounting portion 27 of the lower holding body 21.
  • a push-up drive cylinder 29 is provided on the left and right side of the lower attachment portion 27 in parallel with the holding member drive cylinder 28, and the rod 30 and the guide rod 31 of the push-up drive cylinder 29 pass through the lower attachment portion 27.
  • the vertical drive mechanism 24 is connected to the film push-up body 20.
  • an upper holding member 22 provided with a cutting device 7 is provided above the left and right guide rods 26, and an upper holding member driving cylinder 32 for pulling the left and right guide rods 26 is provided. I have.
  • the rod 30 protrudes upward by the operation of the push-up driving cylinder 29, and the plate-like film push-up body 20 rises from the slit portion 23 of the lower holding body 21 using the guide rod 31 as a guide. Push up one.
  • the lower holding body 21 including the lower mounting portion 27 is raised by the operation of the holding body driving cylinder 28 as it is, and simultaneously the upper holding body driving cylinder 32 is operated, and the left and right guide rods 26 are pulled, and The holding body 22 is lowered.
  • the cylindrical film 1 is held and two heat seals are performed. Further, the cutting device 7 is operated by operating the upper holding member drive cylinder 32. The blade plate 7A protrudes downward from the slit portion 25 of the upper holding member 22 and cuts the middle part of the heat sealing position P of the film 1.
  • the film push-up body 20 is pushed up to a position where the cutting process by the blade plate 7A is not hindered, and the seal failure cause 3A is reliably removed.
  • the film push-up body 20 is a plate-like body and is configured to be set in accordance with the width dimension of the heat seal position P of the film 1, but the two film push-up bodies 20 are pushed up.
  • a pin-shaped body may be used instead of a plate-shaped body, and a plurality of these may be pushed up at regular intervals.
  • the present invention is configured as described above, even if there is a sealing failure cause 3A such as debris of the packaged object 3 at the heat sealing position P, the film push-up body 20 is simply moved. This can be eliminated only by pushing up and protruding, so that a sealing device in a packaging device that can prevent a sealing failure due to penetration can be configured.In addition, the sealing failure always occurs before heat sealing is performed. Since the cause 3A is eliminated, the sealing device in the epoch-making packaging device, in which the effect of preventing the sealing failure is more reliably achieved.
  • the film push-up body 20 by disposing the film push-up body 20 on the lower holding body 21 of the conventional heat sealing device, the film push-up body 20 is simply pushed up and driven.
  • the film 1 is pushed up from below by the leading edge of the film push-up body 20, and the lower portion of the film 1 is lifted inward in a mountain-like manner so that the heat sealing position P becomes a peak (ridge line).
  • the defective sealing material 3A can be removed from the heat sealing position P of the cylindrical film 1, whereby the present invention can be easily applied to an existing sealing device with a simple configuration. This is a sealing device for packaging equipment that is extremely practical.
  • the cutting process at the heat sealing position P can also be performed appropriately. Therefore, it is possible to provide a sealing device in a packaging device that is more practical.
  • the present invention relates to a method in which a film wound in a roll is drawn out and guided, and is folded in two by a folding mechanism provided in a packaging device and supplied to a transport device, and is formed into a cylindrical shape and packaged.
  • the present invention can be applied to a heat sealing device and a cutting device in a horizontal plastic packaging device that directly feeds a folded film to a transfer device, and forms and packages it into a cylindrical shape.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Package Closures (AREA)
  • Basic Packing Technique (AREA)

Abstract

A sealing device (6) for packaging apparatuses which is constructed such that a cylindrical-shaped film (1), which receives articles (3) being packaged at predetermined spacings, is intermittently conveyed, and the film (1) is heat sealed with the articles (3) being packaged nipped from the outside of the film (1). A film thrusting body (20) is provided for thrusting upward the film (1) at a heat sealing position (P).

Description

明細書  Specification
包装装置におけるシール装置 技術分野 Sealing equipment for packaging equipment
本発明は、 所定間隔を置いて被包装物が収納されたフイルムの被包装物間位置 をフイルム外方から挾持してフイルムを熱シールする包装装置におけるシール装 置に関するものである。 背景技術  The present invention relates to a sealing device in a packaging apparatus for heat-sealing a film by sandwiching a position of a film in which a package is stored at a predetermined interval from the outside of the film. Background art
この種の包装装置におけるシール装置は、 例えば所定間隔を置いて被包装物が 収納された筒状フイルムを間欠搬送し、 このフィルムの上下に挾持体を対設し、 フィル厶搬送を一旦停止した上でフィル厶の被包装物間位置をフィル厶外方から この挾持体で挾持し、 この挾持体の先端表面のヒータ熱によりフイルムを溶着し てフイルムの被包装物間位置を順次区画シールし、 例えば更にこの熱シール位置 の中程部を切断し、 間欠搬送することで被包装物入りの包装袋が順次搬出される ように構成している。  The sealing device in this type of packaging apparatus intermittently conveys, for example, a cylindrical film in which the articles to be packaged are stored at predetermined intervals, installs a holding body above and below the film, and temporarily stops the film conveyance. Above the film, the position between the objects to be packaged is sandwiched from outside of the film by this holding body, and the film is welded by the heat of the heater on the front surface of the holding body, and the position between the objects to be packed of the film is sequentially partitioned and sealed. For example, it is configured such that the middle part of the heat sealing position is cut and intermittently conveyed, so that the packaging bags containing the articles to be packaged are sequentially carried out.
しかしながら、 たとえ被包装物間隔が常に一定となるようにし常にフイルムの 被包装物と被包装物との中間位置を確実に挾持して熱シールするように制御でき ても、 この熱シール位置に被包装物の屑などがあると、 熱シール不良を来す虞が ある。  However, even if the distance between the objects to be packaged is always constant and the intermediate position between the objects to be packaged and the film can be reliably held and heat-sealed, the heat-sealing position can be controlled. If there is any debris in the package, there is a risk that heat sealing failure may occur.
即ち、 例えば被包装物が茸のような屑が出易いものであると、 フイルム内に茸 の細片や石つき部の屑や土などが出ることがあり、 挾持体によってたとえ茸自体 を挾持しなくてもこのような屑をフィル厶と一緒に嚙み込み挾持して熱シールを 施してしまうと、 フイルム同志の熱溶着が不十分となり、 製袋後溶着箇所が剥が れたり、 あるいは部分的に全く溶着しない箇所が発生するなどのシール不良を来 す虞がある。  That is, for example, if the object to be packaged is such that mushroom-like debris is apt to come out, small pieces of mushrooms, debris at the portion with a stone, or soil may come out in the film. Even if this is not done, if such debris is pinched and pinched together with the film and heat-sealed, the heat-sealing of the films will be insufficient, and the welded spots will come off after bag making, or There is a possibility that a seal failure may occur, for example, where a portion that does not weld at all may occur.
また、 この熱シール部分は切断位置ともなり、 この部分に屑が挾着されてしま うと、 切断不良や切断刃の破損や摩耗を早めることにもなる。  In addition, this heat seal portion also serves as a cutting position, and if debris is caught in this portion, defective cutting, breakage or wear of the cutting blade may be accelerated.
本発明は、 このような従来のシール装置に改良を施し、 前述のような嚙み込み の問題を解決し得る極めて画期的な包装装置におけるシール装置を提供すること を目的としている。 発明の開示 The present invention is an improvement on such a conventional sealing device, It is an object of the present invention to provide an extremely innovative sealing device for a packaging device that can solve the above problem. Disclosure of the invention
本発明は、 所定間隔を置いて被包装物 3が収納された筒状のフイルム 1を間欠 搬送し、 このフイルム 1内の被包装物 3間をフイルム 1外方から挟持してフィル 厶 1を熱シールする包装装置におけるシール装置 6において、 このフイルム 1の 熱シール位置 Pを突き上げるフイルム突き上げ体 20 を設けたことにより、 突き 上げ体 20 による突き上げ作動によって筒状のフイルム 1の下側部分は内側へと 押し上げられ、 たとえこの熱シール位置 Pに被包装物 3の屑などのシール不良原 因物 3 Aがあっても排除される。  The present invention intermittently conveys a cylindrical film 1 in which a packaged object 3 is stored at a predetermined interval, and holds the film 1 by sandwiching the packaged object 3 in the film 1 from the outside of the film 1. In the sealing device 6 of the packaging device for heat sealing, the film push-up body 20 that pushes up the heat sealing position P of the film 1 is provided, so that the lower portion of the cylindrical film 1 is inwardly pushed by the push-up body 20. Even if there is a defective sealing cause 3A such as debris of the packaged object 3 at the heat sealing position P, it is eliminated.
また本発明では、 前記フィルム突き上げ体 20 は、 前記筒状のフイルム 1を熱 シールする前に、 この熱シール位置 Pに向かって突き上げ突出するように構成し たことにより、 熱シールを行う前に予めこのフイルム突き上げ体 20 による突き 上げを行うことで、 シール不良原因物 3 Aは熱シール位置 Pから排除され、 嚙み 込みによるシール不良を防止することができる。  Further, in the present invention, the film push-up body 20 is configured to push up and project toward the heat sealing position P before heat-sealing the cylindrical film 1, so that the By previously pushing up the film with the film pushing-up body 20, the defective sealing cause 3A is removed from the heat sealing position P, and the sealing failure due to the penetration can be prevented.
また本発明では、 筒状のフイルム 1の上下にフイルム 1の幅方向に沿って下方 挾持体 21 と上方挾持体 22とを配し、 この双方の挾持体 21 · 22とでフイルム 1を挾持してこの挾持部分を熱シールする包装装置におけるシール装置 6におい て、 この下方挾持体 21 の中程部に前記筒状のフイルム 1の幅方向に沿って空隙 部 23を設け、 この空隙部 23に前記フイルム突き上げ体 20を上下進退自在に配 設したことにより、 また、 前記下方挾持体 21 の中程部に前記空隙部 23 として スリット部 23 を設けて二条の熱シールが施されるように構成し、 このスリット 部 23に前記フイルム突き上げ体 20を上下進退自在に配設し、 下方挾持体 21が 上昇して熱シールを行う前に前記フイルム突き上げ体 20がこの二条の熱シール 位置 Pの中程部に突き上げ作動するように構成したことにより、 単にフイルム突 き上げ体 20 を突き上げ駆動制御するだけで、 確実に熱シール位置 Pからシール 不良原因物 3 Aを簡単に排除することができ、 簡単な構成にして既存のシール装 置にも簡単に本発明を適用し得る極めて実用性に秀れた包装装置におけるシール 装置を提供することができる。 In the present invention, a lower holding member 21 and an upper holding member 22 are arranged above and below the cylindrical film 1 in the width direction of the film 1, and the film 1 is held between the two holding members 21 and 22. In the sealing device 6 in the packaging device for heat-sealing the holding portion of the lever, a gap 23 is provided in the middle of the lower holding body 21 along the width direction of the cylindrical film 1. By arranging the film push-up body 20 so as to be able to advance and retreat up and down, a slit 23 is provided in the middle part of the lower holding body 21 as the gap 23 so that two heat seals can be performed. The film push-up body 20 is disposed in the slit portion 23 so as to be able to move up and down and reciprocate up and down. Before the lower holding body 21 is raised and heat-sealed, the film push-up body 20 is positioned in the two heat sealing positions P. It works up to the head With this configuration, it is possible to easily remove the seal failure cause 3A from the heat seal position P simply by controlling the film push-up body 20 to drive up the film push-up body 20. An extremely practical packaging device that can easily apply the present invention to a sealing device. An apparatus can be provided.
また本発明では、 前記上方挾持体 22 の中程部に前記二条の熱シール位置 Pの 中程部を切断する刃板 7 Aを進退自在に配設して切断装置 7を設けたことにより, 下方挾持体 21にはフィル厶突き上げ体 20， 上方挾持体 22には切断装置 7を設 けることにより、 熱シール位置 Pの切断処理も適格になし得ることになリ、 スぺ ースもとらず、 一層実用性に秀れた包装装置におけるシール装置を提供すること ができる。 図面の簡単な説明  Further, according to the present invention, a cutting device 7 is provided by arranging a blade plate 7A for cutting the middle part of the two heat sealing positions P at the middle part of the upper holding body 22 so as to advance and retreat. By installing the film push-up body 20 on the lower holding body 21 and the cutting device 7 on the upper holding body 22, the cutting process at the heat sealing position P can be performed properly. Therefore, it is possible to provide a sealing device for a packaging device which is more practical. BRIEF DESCRIPTION OF THE FIGURES
第 1図は、 本実施例の包装装置の概略構成説明側面図であり、 第 2図は、 本実 施例の包装装置の概略構成説明平面図であり、 第 3図は、 本実施例の包装装置の 要部の概略拡大説明斜視図であり、 第 4図は、 本実施例の包装装置におけるシー ル装置の作動手順を示すもので、 シール作動前のフイルム突き上げ体の突き上げ 前の概略拡大説明側面図であり、 第 5図は、 本実施例の包装装置におけるシール 装置の作動手順を示すもので、 シール作動前のフイルム突き上げ体の突き上げ時 の概略拡大説明側面図であり、 第 6図は、 本実施例の包装装置におけるシール装 置の作動手順を示すもので、 シール作動時の概略拡大説明側面図であり、 第 7図 は、 本実施例の包装装置におけるシール装置の作動手順を示すもので、 シール作 動終了時の概略拡大説明側面図であり、 第 8図は、 本実施例の要部のフイルム突 き上げ体の突き上げ突出時の説明斜視図であり、 第 9図は、 本実施例の要部の概 略構成正面図であり、 第 1 0図は、 本実施例の要部の概略構成側面図であり、 第 1 1図は、 本実施例の要部のフイルム突き上げ体の突き上げ時の概略構成正面図 並びに側面図であり、 第 1 2図は、 本実施例の要部の熱シール並びに切断時の概 略構成側面図である。 発明を実施するための最良な形態  FIG. 1 is a side view schematically illustrating the configuration of the packaging apparatus of the present embodiment, FIG. 2 is a plan view schematically illustrating the configuration of the packaging apparatus of the present embodiment, and FIG. FIG. 4 is a schematic enlarged explanatory perspective view of a main part of the packaging device, and FIG. 4 shows an operation procedure of the sealing device in the packaging device of the present embodiment. FIG. 5 is an explanatory side view, and FIG. 5 is a schematic enlarged explanatory side view showing an operation procedure of the sealing device in the packaging device of the present embodiment when the film push-up body is pushed up before the sealing operation. Fig. 7 shows an operation procedure of the sealing device in the packaging device of the present embodiment, and is a schematic enlarged explanatory side view at the time of a sealing operation. Fig. 7 shows an operation procedure of the sealing device in the packaging device of the embodiment. At the end of seal operation FIG. 8 is an explanatory perspective view of a main part of the present embodiment when the film push-up body is pushed up and projected, and FIG. 9 is a schematic perspective view of a main part of the present embodiment. FIG. 10 is a schematic configuration front view, FIG. 10 is a schematic configuration side view of a main part of the present embodiment, and FIG. 11 is a schematic configuration front view of the main part of the embodiment when a film push-up body is pushed up. FIG. 12 is a schematic configuration side view at the time of heat sealing and cutting of a main part of the present embodiment. BEST MODE FOR CARRYING OUT THE INVENTION
本発明の具体的な実施例について、 第 1図〜第 1 2図で示した図面に基づいて 説明する。  A specific embodiment of the present invention will be described with reference to the drawings shown in FIGS.
先ず、 本発明に係るシール装置を備えた本実施例の包装装置の概略構成 ·作動 について、 第 1図から第 7図に基づいて説明する。 First, the schematic structure and operation of the packaging device of the present embodiment equipped with the sealing device according to the present invention Will be described with reference to FIGS. 1 to 7.
供給部 Sから連続的にロール状に巻かれたフイルム 1が引き出され、 その引き 出されるヒー卜シール可能な帯状のフィルム 1を上部を開口状態として二つ折り 状態に折り返して前方へ搬送するフォーマなどからなる搬送ガイド部 13 に、 こ の二つ折り状態のフイルム 1を搬送する搬送装置 2を設けると共に、 この搬送ガ イド部 13 に二つ折リ状態のフイルム 1の左右上縁を所定長さ開口保持した状態 で搬送ガイドする開放案内部を投入部 4として設け、 この投入部 4に開閉板 15 を回動開閉自在に設け、 この投入部 4に供給装置 16若しくは手でフイルム 1内 に所定間隔をおいて例えば茸などの被包装物 3を投入し、 この被包装物 3を収納 したフイルム 1の上部開口部を重合シール閉塞して筒状のフイルム 1 とする超音 波溶着方式の横シール装置 5を設け、 前記搬送装置 2により間欠搬送される筒状 のフイルム 1の被包装物 3と被包装物 3との間の部分を挾着しヒー卜シールする 縦シール装置 6と、 この縦シール部分の間を切断して後続の筒状のフィルム 1 と 搬送側の被包装物 3入り包装袋 12 を切り離す切断装置 7とを前記搬送装置 2の 搬送終端に設け、 この切断装置 7よりも更に搬送側に乗り移り搬送装置 11 を設 け、 この上方に筒状のフイルム 1を押さえ付けて脱気する脱気装置 10 を設け、 脱気した後に前記縱シール装置 6と切断装置 7とを作動させ、 脱気した被包装物 3入り包装袋 12 をこの乗り移り搬送装置 11 により搬送排出する構成としてい る。  A film 1 that is continuously wound into a roll from the supply unit S, is drawn out, and the heat-sealable strip-shaped film 1 is folded back into an open state with the upper part opened and conveyed forward. A transport device 2 for transporting the two-folded film 1 is provided in a transport guide portion 13 made of a resin, and the upper left and right edges of the two-folded film 1 are held in the transport guide portion 13 by a predetermined length. In this state, an opening guide section for guiding the conveyance is provided as the loading section 4, and an opening / closing plate 15 is provided in the loading section 4 so as to be rotatable and openable. Then, a package 3 such as mushrooms is charged, and the upper opening of the film 1 in which the package 3 is stored is closed with a polymerization seal to form a cylindrical film 1. Five A vertical sealing device 6 for sandwiching and heat-sealing a portion between the packaged objects 3 of the cylindrical film 1 conveyed intermittently by the transporting device 2 and heat sealing; A cutting device 7 that cuts the gap and separates the subsequent tubular film 1 and the packaging bag 12 containing the package 3 on the transport side is provided at the transport end of the transport device 2, and further on the transport side than the cutting device 7. A transfer device 11 is provided, and a deaeration device 10 is provided above the cylindrical film 1 for pressing and holding the cylindrical film 1 for deaeration. After deaeration, the vertical sealing device 6 and the cutting device 7 are operated to remove the deaeration. The transfer baggage 12 containing the object 3 to be packaged is transported and discharged by the transfer device 11.
即ち、 搬送装置 2により被包装物 3入りの筒状のフィルム 1が前記投入部 4に 載置投入された被包装物 3と共に間欠搬送され、 脱気装置 10 により脱気された 後、 左右方向並びに上下方向から筒状のフイルム 1を押さえ付け装置 8により押 さえ付け整形しつつ、 縦シール装置 6により後方の被包装物 3と前方の被包装物 3とが区画状態にフイルム 1内に封入されると共に切断装置 7により切断され、 搬送側においては封入された被包装物 3入り包装袋 12が排出され、 後続の筒状 のフイルム 1はその先端が閉塞される。  That is, the tubular film 1 containing the article 3 to be packaged is intermittently transported together with the article 3 placed and thrown into the loading section 4 by the transporting apparatus 2, degassed by the degassing apparatus 10, and then left and right. Pressing and shaping the cylindrical film 1 from above and below with the pressing device 8, and enclosing the rear package 3 and the front package 3 in the film 1 in a partitioned state with the vertical sealing device 6. At the same time, the package is cut by the cutting device 7, and on the transport side, the enclosed packaging bag 3 containing the packaged object 3 is discharged, and the leading end of the subsequent cylindrical film 1 is closed.
そして、 再び間欠搬送され、 この動作が繰り返されることにより、 次々と被包 装物 3が所定量づっフイルム 1内に自動包装されるように構成している。  Then, it is intermittently conveyed again, and by repeating this operation, the package 3 is automatically packaged in the film 1 by a predetermined amount one after another.
また、 嵩張リ易い被包装物 3の包装形態を良好に保っために、 前記縦シール閉 塞を行う前に、 ガゼッ卜爪 9 Aを筒状のフイルム 1の両側面から内方へ押し込み 退避させ、 筒状のフイルム 1の側部を内方へ折り込む （ガゼットを付与する） ガ ゼッ卜装置 9を設けている。 In addition, in order to keep the packaging form of the packaged object 3 that is easily bulky, the vertical seal is closed. Before closing, push the gusset claws 9 A inwards from both sides of the cylindrical film 1 and retract, and then fold the sides of the cylindrical film 1 inward (gazette is applied). Device 9 is provided.
本発明はこのような包装装置の縦シール装置 6と切断装置 7とに本発明を適用 したものである。  The present invention is an application of the present invention to such a vertical sealing device 6 and a cutting device 7 of a packaging device.
次に本発明の要旨となる縦シール装置 6の構成について第 8図〜第 1 2図を主 体にして説明する。  Next, the configuration of the vertical sealing device 6 which is the gist of the present invention will be described mainly with reference to FIGS. 8 to 12. FIG.
本実施例では、 所定間隔を置いて被包装物 3が収納された筒状のフィルム 1の 上下に下方挾持体 21と上方挾持体 22とを配設し、 この挾持体 21 · 22を上下 方向に互いに接近移動させ、 所定位置に搬送停止させたフイルム 1の被包装物 3 と被包装物 3との中間位置を外方から挾持し、 この挾持体 21 · 22の先端表面 のヒータ熱によりフイルム同志を溶着してフイルム 1の被包装物 3間を区画シー ルし、 更に切断装置 7によりこの熱シール位置 Pの中程部を切断して搬送側の被 包装物 3入り包装袋 12 を切り離し搬出する包装装置におけるシール装置に本発 明を適用したものである。  In the present embodiment, a lower holding member 21 and an upper holding member 22 are arranged above and below a tubular film 1 in which a packaged object 3 is stored at a predetermined interval, and the holding members 21 , And the intermediate position between the package 3 and the package 3 of the film 1, which has been stopped at a predetermined position, is clamped from the outside, and the film is heated by the heater heat on the tip surfaces of the clamps 21 and 22. Welds are welded together to seal the space between the packages 3 of the film 1, and the cutting device 7 cuts the middle part of the heat sealing position P to separate the packaging bag 12 containing the packages 3 on the transport side. The present invention is applied to a sealing device of a packaging device to be carried out.
この場合、 本実施例における前記下方挾持体 21 の中程部には、 フイルム 1の 幅方向に沿って空隙部 23が設けられており、 この空隙部 23は下方挾持体 21を フイルム 1の送り方向に対し前後方向に分断するスリツ卜部 23 とし、 このスリ ッ卜部 23の分断によリニ条の熱シールが施されるように構成している。  In this case, a gap 23 is provided in the middle of the lower holding member 21 in the present embodiment along the width direction of the film 1, and the gap 23 moves the lower holding member 21 to feed the film 1. The slit portion 23 is divided in the front-rear direction with respect to the direction, and the line portion is thermally sealed by dividing the slit portion 23.
このスリッ卜部 23箇所に板状体で構成したフイルム突き上げ体 20 を上下進 退自在に配設している。  A film push-up body 20 formed of a plate-like body is disposed at 23 positions of the slit so as to be able to move up and down.
このフイルム突き上げ体 20 を突き上げ駆動する上下進退駆動機構 24の具体 的な構造については後述するが、 本実施例では上下の挾持体 21 · 22が挾持す る前、 即ち下方挾持体 21 が上昇して熱シールのための挾持移動を行う前に、 先 ずフイルム突き上げ体 20が上下進退駆動機構 24 により上昇し、 このフイルム 突き上げ体 20の先端板縁が筒状のフイルム 1を下方から突き上げるように構成 している。  The specific structure of the vertical advance / retreat drive mechanism 24 for driving the film push-up body 20 to be pushed up will be described later. In this embodiment, however, before the upper and lower holding bodies 21 and 22 are held, that is, the lower holding body 21 rises. Before carrying out the holding movement for heat sealing, the film push-up body 20 is first raised by the vertical advance / retreat drive mechanism 24 so that the leading edge of the film push-up body 20 pushes up the cylindrical film 1 from below. It is composed.
従って、 筒状のフイルム 1は間欠搬送されて、 フイルム 1内の被包装物 3と被 包装物 3との中間位置が上下の挾持体 21 · 22 間に位置するところで熱シール のため搬送停止するから、 単にフィルム突き上げ体 20 を突き上げ突出すると、 その先端板縁が筒状のフイルム 1の熱シール位置 Pを常に確実に突き上げること になる。 Therefore, the cylindrical film 1 is intermittently conveyed, and heat-sealed when the intermediate position between the package 3 and the package 3 in the film 1 is located between the upper and lower holding members 21 and 22. Therefore, if the film push-up body 20 is simply pushed up and projected, the edge of the leading end plate always pushes up the heat sealing position P of the cylindrical film 1 reliably.
また、 本実施例ではこの板状のフイルム突き上げ体 20 の幅寸法を筒状のフィ ル厶 1の熱シール位置 Pの幅寸法に略合致する程度に設定しており、 また、 フィ ル厶突き上げ体 20 によるフイルム 1の押し上げ量は十分に先端板縁がフイルム 1を押し込むことができるように設定している。 そのため、 このフイルム突き上 げ体 20の先端板縁はフィルム 1を下方から押し込み、 フイルム 1の下側部分は 熱シール位置 Pが峰縁、 すなわち筒状のフイルム 1の幅方向に沿って稜線となる ように山状に内方へ持ち上げられることになる。  Further, in the present embodiment, the width of the plate-shaped film push-up body 20 is set to substantially match the width of the heat sealing position P of the cylindrical film 1. The amount by which the film 20 is pushed up by the body 20 is set such that the leading edge of the film 1 can push the film 1 in. Therefore, the leading edge of the film push-up body 20 pushes the film 1 from below, and the lower portion of the film 1 has a heat sealing position P at the peak, that is, a ridge line along the width direction of the cylindrical film 1. It will be lifted in a mountain-like manner.
従って、 熱シール位置 Pにたとえ被包装物 3の屑 3 Aがあっても、 この突き上 げ作動によって熱シール位置 Pが峰緣 （稜線） となることで屑 3 Aは振り分けら れるようにして傾斜滑走排除されることとなる。  Therefore, even if there is debris 3 A of the packaged object 3 at the heat sealing position P, the pushing-up operation causes the heat sealing position P to become the peak 緣 (ridgeline) so that the debris 3 A can be sorted out. Sliding is eliminated.
従って、 熱シールを行う前に予めこのフイルム突き上げ体 20 による突き上げ 作動を行うことで、 シール不良原因物 3 Aは熱シール位置 Pから排除され、 嚙み 込みによるシール不良を常に防止できることとなる。  Therefore, by performing the push-up operation by the film push-up body 20 before performing the heat seal, the seal failure cause 3A is removed from the heat seal position P, and the seal failure due to the penetration can be always prevented.
また、 本実施例では、 上方挾持体 22の中程部にフィルム 1の幅方向に沿って スリット部 25 を設け、 このスリット部 25 に前記二条の熱シール位置 Pの中程 部を切断する刃板 7 Aを上下進退自在に配設して切断装置 7を設けている。 次に本実施例の更に具体的な構成 ·作動について説明する。  In the present embodiment, a slit 25 is provided in the middle of the upper holding member 22 along the width direction of the film 1, and a blade for cutting the middle of the two heat sealing positions P in the slit 25 is provided. The cutting device 7 is provided by arranging the plate 7A to be able to move up and down. Next, a more specific configuration and operation of the present embodiment will be described.
本実施例は、 左右のガイド杆 26 に沿って下方挾持体 21 を昇降するように構 成し、 この下方挾持体 21の下部取付部 27に挾持体駆動シリンダ 28を垂設して いる。  In this embodiment, the lower holding body 21 is configured to move up and down along the left and right guide rods 26, and a holding body driving cylinder 28 is suspended from a lower mounting portion 27 of the lower holding body 21.
本実施例では、 この下部取付部 27 に挾持体駆動シリンダ 28 と並設させて左 右に突き上げ駆動シリンダ 29を設け、 この突き上げ駆動シリンダ 29のロッド 30並びにガイド杆 31を下部取付部 27に貫通させてフイルム突き上げ体 20に 連結して前記上下進退駆動機構 24を構成している。  In this embodiment, a push-up drive cylinder 29 is provided on the left and right side of the lower attachment portion 27 in parallel with the holding member drive cylinder 28, and the rod 30 and the guide rod 31 of the push-up drive cylinder 29 pass through the lower attachment portion 27. The vertical drive mechanism 24 is connected to the film push-up body 20.
また、 前記左右のガイド杆 26の上部に切断装置 7を備えた上方挾持体 22 を 設け、 この左右のガイド杆 26 を引動する上方挾持体駆動シリンダ 32 を設けて いる。 Further, an upper holding member 22 provided with a cutting device 7 is provided above the left and right guide rods 26, and an upper holding member driving cylinder 32 for pulling the left and right guide rods 26 is provided. I have.
従って、 本実施例は、 先ず突き上げ駆動シリンダ 29 の作動によりロッド 30 が上方へ突出し、 ガイド杆 31をガイドとして下方挾持体 21のスリッ卜部 23か ら板状のフイルム突き上げ体 20が上昇してフイルム 1を突き上げる。  Therefore, in this embodiment, first, the rod 30 protrudes upward by the operation of the push-up driving cylinder 29, and the plate-like film push-up body 20 rises from the slit portion 23 of the lower holding body 21 using the guide rod 31 as a guide. Push up one.
これにより、 熱シール位置 Pでの被包装物 3の屑などのシール不良原因物 3 A が排除される。  As a result, a defective sealing cause 3A such as debris of the packaged object 3 at the heat sealing position P is eliminated.
次に、 このままで挾持体駆動シリンダ 28の作動により下部取付部 27 を含め た下方挾持体 21 が上昇し、 これと共に上方挾持体駆動シリンダ 32 を作動させ て左右のガイド杆 26を引動し、 上方挾持体 22を下降させる。  Next, the lower holding body 21 including the lower mounting portion 27 is raised by the operation of the holding body driving cylinder 28 as it is, and simultaneously the upper holding body driving cylinder 32 is operated, and the left and right guide rods 26 are pulled, and The holding body 22 is lowered.
この下方挾持体 21 と上方挾持体 22が突き合った位置で筒状のフイルム 1が 挾持されて二条の熱シールが施され、 更にこの上方挾持体駆動シリンダ 32 を作 動させることにより切断装置 7の刃板 7 Aは上方挾持体 22 のスリッ卜部 25 か ら下方へ向けて突出し、 フイルム 1の熱シール位置 Pの中程部を切断する。  At the position where the lower holding member 21 and the upper holding member 22 abut, the cylindrical film 1 is held and two heat seals are performed. Further, the cutting device 7 is operated by operating the upper holding member drive cylinder 32. The blade plate 7A protrudes downward from the slit portion 25 of the upper holding member 22 and cuts the middle part of the heat sealing position P of the film 1.
本実施例では、 フイルム突き上げ体 20 をこの刃板 7 Aによる切断処理に支障 をきたさない位置まで突き上げ、 シール不良原因物 3 Aを確実に排除するように している。  In this embodiment, the film push-up body 20 is pushed up to a position where the cutting process by the blade plate 7A is not hindered, and the seal failure cause 3A is reliably removed.
また、 本実施例ではフイルム突き上げ体 20 を板状体とし、 フイルム 1の熱シ ール位置 Pの幅寸法に合わせて設定するように構成していたが、 二枚のフイルム 突き上げ体 20を突き上げるようにしても良いし、 板状体でなく、 ピン状体とし、 これを一定間隔を置いて複数突き上げ作動するようにして構成しても良い。  Further, in the present embodiment, the film push-up body 20 is a plate-like body and is configured to be set in accordance with the width dimension of the heat seal position P of the film 1, but the two film push-up bodies 20 are pushed up. Alternatively, a pin-shaped body may be used instead of a plate-shaped body, and a plurality of these may be pushed up at regular intervals.
以上詳述したように、 本発明では上述のように構成したから、 熱シール位置 P に被包装物 3の屑などのシール不良原因物 3 Aがあっても、 単にフイルム突き上 げ体 20 を突き上げ突出させるだけでこれを排除することができ、 嚙み込みによ るシール不良を未然に防止できる包装装置におけるシール装置を構成することが でき、 しかも、 熱シールを行う前に必ず前記シール不良原因物 3 Aを排除するこ とになるから、 前記シール不良防止効果が一層確実に果たされる画期的な包装装 置におけるシール装置となる。  As described in detail above, since the present invention is configured as described above, even if there is a sealing failure cause 3A such as debris of the packaged object 3 at the heat sealing position P, the film push-up body 20 is simply moved. This can be eliminated only by pushing up and protruding, so that a sealing device in a packaging device that can prevent a sealing failure due to penetration can be configured.In addition, the sealing failure always occurs before heat sealing is performed. Since the cause 3A is eliminated, the sealing device in the epoch-making packaging device, in which the effect of preventing the sealing failure is more reliably achieved.
また本発明においては、 従来の熱シール装置の下方挾持体 21 にフイルム突き 上げ体 20 を配することにより、 単にフイルム突き上げ体 20 を突き上げ駆動制 御するだけで、 フイルム突き上げ体 20の先端縁によってフイルム 1は下方から 押し上げられ、 フィルム 1の下側部分は熱シール位置 Pが峰緣 （稜線） となるよ うに山状に内方へ持ち上げられて、 前記シール不良原因物 3 Aを筒状のフイルム 1の熱シール位置 Pから除去することができ、 これによリ簡単な構成にして既存 のシール装置にも簡単に本発明を適用し得る極めて実用性に秀れた包装装置にお けるシール装置となる。 Further, in the present invention, by disposing the film push-up body 20 on the lower holding body 21 of the conventional heat sealing device, the film push-up body 20 is simply pushed up and driven. The film 1 is pushed up from below by the leading edge of the film push-up body 20, and the lower portion of the film 1 is lifted inward in a mountain-like manner so that the heat sealing position P becomes a peak (ridge line). As a result, the defective sealing material 3A can be removed from the heat sealing position P of the cylindrical film 1, whereby the present invention can be easily applied to an existing sealing device with a simple configuration. This is a sealing device for packaging equipment that is extremely practical.
また本発明において、 下方挾持体 21にはフイルム突き上げ体 20， 上方挾持体 22 には切断装置 7を設けることにより、 熱シール位置 Pの切断処理も適格にな し得ることになり、 スペースもとらず、 一層実用性に秀れた包装装置におけるシ ール装置を提供することができる。 産業上の利用可能性  Further, in the present invention, by providing a film push-up member 20 for the lower holding member 21 and a cutting device 7 for the upper holding member 22, the cutting process at the heat sealing position P can also be performed appropriately. Therefore, it is possible to provide a sealing device in a packaging device that is more practical. Industrial applicability
本発明は、 ロール状に巻回されたフィルムを引き出し案内し、 包装装置に設け られた折返し機構により二つ折りして搬送装置に供給し、 筒状に形成して包装す るもの、 あるいは予め二つ折り形成されたフイルムを搬送装置に直接供給し、 筒 状に形成して包装する横ピロ一包装装置にけるヒー卜シール装置及び切断装置な どに適用可能である。  The present invention relates to a method in which a film wound in a roll is drawn out and guided, and is folded in two by a folding mechanism provided in a packaging device and supplied to a transport device, and is formed into a cylindrical shape and packaged. The present invention can be applied to a heat sealing device and a cutting device in a horizontal plastic packaging device that directly feeds a folded film to a transfer device, and forms and packages it into a cylindrical shape.

Claims

請求の範囲 The scope of the claims
1 . 所定間隔を置いて被包装物が収納された筒状のフイルムを間欠搬送し、 この フイルム内の被包装物間をフイルム外方から挾持してフイルムを熱シールする包 装装置におけるシール装置において、 このフイルムの熱シール位置を突き上げる フィル厶突き上げ体を設けたことを特徴とする包装装置におけるシール装置。 1. Sealing device in a packaging device that intermittently conveys a cylindrical film in which packages are stored at predetermined intervals, and heat-seales the film by holding the packages in the film from outside the film. 3. The sealing device in a packaging device according to claim 1, further comprising a film push-up body for pushing up a heat sealing position of the film.
2 . 前記フイルム突き上げ体は、 前記筒状のフイルムを熱シールする前に、 この 熱シール位置に向かって突き上げ突出するように構成したことを特徴とする請求 の範囲第 1項記載の包装装置におけるシール装置。 2. The packaging apparatus according to claim 1, wherein the film push-up body is configured to push up and project toward the heat-sealing position before heat-sealing the cylindrical film. Sealing device.
3 . 筒状のフイルムの上下にフイルムの幅方向に沿って下方挾持体と上方挾持体 とを配し、 この双方の挾持体とでフイルムを挾持してこの挾持部分を熱シールす る包装装置におけるシール装置において、 この下方挾持体の中程部に前記筒状の フィル厶の幅方向に沿って空隙部を設け、 この空隙部に前記フィルム突き上げ体 を上下進退自在に配設したことを特徴とする請求の範囲第 1項または第 2項に記 載の包装装置におけるシール装置。 3. A packaging device in which a lower holding member and an upper holding member are arranged above and below the cylindrical film along the width direction of the film, and the film is held between the two holding members and the holding portion is heat-sealed. Wherein a gap is provided in the middle of the lower holding body along the width direction of the cylindrical film, and the film push-up body is disposed in the gap so as to be able to move up and down. A sealing device in the packaging device according to claim 1 or 2.
4 . 前記下方挾持体の中程部に前記空隙部としてスリツト部を設けてニ条の熱シ ールが施されるように構成し、 このスリッ卜部に前記フイルム突き上げ体を上下 進退自在に配設し、 下方挾持体が上昇して熱シールを行う前に前記フイルム突き 上げ体がこの二条の熱シール位置の中程部に突き上げ作動するように構成したこ とを特徴とする請求の範囲第 3項に記載の包装装置におけるシール装置。 4. A slit portion is provided in the middle of the lower holding member as the gap so that two heat seals are applied, and the film push-up member is disposed in the slit portion so as to be vertically movable. Wherein the film push-up body is moved up to the middle of the two heat-sealing positions before the lower holding body rises to perform heat sealing. 4. A sealing device in the packaging device according to item 3.
5 . 前記上方挾持体の中程部に前記二条の熱シール位置の中程部を切断する刃板 を進退自在に配設して切断装置を設けたことを特徴とする請求の範囲第 4項に記 載の包装装置におけるシール装置。 5. The cutting device according to claim 4, wherein a cutting device is provided at a middle portion of the upper holding body, a blade plate for cutting the middle portion of the two heat sealing positions is provided so as to be able to advance and retreat. Sealing device in the packaging device described in.
PCT/JP1997/003983 1996-11-08 1997-10-30 Sealing device for packaging apparatus WO1998021096A1 (en)

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JP29606396A JP3237746B2 (en) 1996-11-08 1996-11-08 Sealing device in packaging equipment
JP8/296063 1996-11-08

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JPS6216306A (en) * 1985-07-04 1987-01-24 大森機械工業株式会社 Lateral pillow packer
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JPS61273311A (en) * 1985-05-17 1986-12-03 大森機械工業株式会社 Lateral pillow packer
JPS6216306A (en) * 1985-07-04 1987-01-24 大森機械工業株式会社 Lateral pillow packer
JPH0329713A (en) * 1989-06-14 1991-02-07 Kureha Chem Ind Co Ltd Filling and packing apparatus

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US8313072B2 (en) 2007-08-27 2012-11-20 Hewlett-Packard Development Company, L. P. Monitor as a door

Also Published As

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JPH10139015A (en) 1998-05-26
KR100315558B1 (en) 2002-01-17
KR19990076982A (en) 1999-10-25
CN1102522C (en) 2003-03-05
JP3237746B2 (en) 2001-12-10
CN1207073A (en) 1999-02-03

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