EP3981695A1 - Beutelherstellungs- und -verpackungsvorrichtung - Google Patents

Beutelherstellungs- und -verpackungsvorrichtung Download PDF

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Publication number
EP3981695A1
EP3981695A1 EP21181589.9A EP21181589A EP3981695A1 EP 3981695 A1 EP3981695 A1 EP 3981695A1 EP 21181589 A EP21181589 A EP 21181589A EP 3981695 A1 EP3981695 A1 EP 3981695A1
Authority
EP
European Patent Office
Prior art keywords
film
section
tube
bag
making
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP21181589.9A
Other languages
English (en)
French (fr)
Inventor
Keisuke Sei
Ryoichi Sato
Takahiro Yasuda
Koichi Ota
Kazuaki Takamori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ishida Co Ltd
Original Assignee
Ishida 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 Ishida Co Ltd filed Critical Ishida Co Ltd
Publication of EP3981695A1 publication Critical patent/EP3981695A1/de
Withdrawn legal-status Critical Current

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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
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/2035—Tube guiding means
    • 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
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/22—Forming shoulders; Tube formers
    • 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
    • B65B2220/00—Specific aspects of the packaging operation
    • B65B2220/08—Creating fin seals as the longitudinal seal on horizontal or vertical form fill seal [FFS] machines
    • 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
    • B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
    • B65B5/06—Packaging groups of articles, the groups being treated as single articles
    • B65B5/064—Potato chips

Definitions

  • the present invention relates to a bag-making and packaging apparatus.
  • Patent Literature 1 Japanese Laid-open Patent Publication No. 2007-261652
  • bag-making and packaging apparatuses that shape a sheet-form film into cylindrical form and perform longitudinal sealing and transverse sealing to manufacture bags.
  • the bag-making device disclosed in Patent Literature 1 is provided with a conveying section that conveys the film and a former that shapes the film into cylindrical form.
  • An object of the present invention is to provide a bag-making and packaging apparatus with which it is possible to manufacture a cylindrical bag regardless of which material is used for the film.
  • a bag-making and packaging apparatus is a bag-making and packaging apparatus that shapes a sheet-form film into cylindrical form and performs transverse sealing to manufacture bag, wherein the bag-making and packaging apparatus comprises a conveying mechanism and a shaping mechanism.
  • the conveying mechanism conveys a film.
  • the shaping mechanism shapes the film into cylindrical form.
  • the shaping mechanism has a sailor-collar-shaped part (hereinafter referred to as a sailor) and a tube.
  • the sailor has a folding section that folds the film into cylindrical form.
  • the tube extends up and down and wraps the film therearound to be shaped into cylindrical form.
  • the tube includes a large-diameter section and a small-diameter section.
  • the large-diameter section is positioned below a predetermined position.
  • the small-diameter section is positioned above the predetermined position, and the small-diameter section has an outer diameter smaller than an outer diameter of the large-diameter section.
  • the predetermined position is positioned below a location in the tube where the tube faces the folding section.
  • the inventors discovered that the problem of it being difficult to manufacture a paper film into a cylindrical bag is a result of it being difficult to pass a paper film through a gap between a sailor and a tube because paper film does not expand and contract as much as resin film.
  • the small-diameter section positioned above the predetermined position has an outer diameter smaller than that of the large-diameter section positioned below the predetermined position.
  • the predetermined position is positioned below the folding section, in which the film is folded into cylindrical form.
  • the gap between the sailor and the tube, through which the film is passed, can thereby be enlarged. Therefore, the film is readily passed through the gap between the sailor and the tube regardless of which material is used for the film. Therefore, it is possible to manufacture a cylindrical bag regardless of which material is used for the film.
  • a bag-making and packaging apparatus is the bag-making and packaging apparatus according to the first aspect, wherein the outer diameter of the large-diameter section corresponds to a size of the bag.
  • the inventors focused on the outer diameter of the lower-positioned large-diameter section having a greater effect on the size of the bag than the small-diameter section.
  • the small-diameter section makes it easier for the film to pass through, and the film can be shaped to the desired bag size in the large-diameter section.
  • a bag-making and packaging apparatus is the bag-making and packaging apparatus according to the second aspect, further comprising a longitudinal sealing mechanism that seals both ends of the cylindrically shaped film in an up-down direction. The predetermined position is positioned above the longitudinal sealing mechanism.
  • a cylindrical film corresponding to the size of the bag can be sealed in the longitudinal sealing mechanism.
  • a bag-making and packaging apparatus is the bag-making and packaging apparatus according to any of the first through third aspects, wherein the small-diameter section faces the folding section.
  • the gap between the sailor and the tube can be enlarged in the folding section.
  • the folding section the advancing direction and shape of the sheet-form film change significantly, and the passage of the film is therefore made easier by enlarging the gap of the folding section.
  • a bag-making and packaging apparatus is the bag-making and packaging apparatus according to any of the first through fourth aspects, wherein the tube further includes a joining section that joins the small-diameter section and the large-diameter section.
  • the joining section faces either the folding section or a position below the folding section.
  • a tube having a shape in which the small-diameter section and the large-diameter section are joined by the joining section can be used.
  • a bag-making and packaging apparatus is the bag-making and packaging apparatus according to any of the first through fifth aspects, wherein the film contains a paper material.
  • the gap between the sailor and the tube is large, and the film therefore readily passes through this gap. Therefore, a film containing a paper material is suitable for use in the bag-making and packaging apparatus of the sixth aspect.
  • FIG. 1 is a perspective view of a packaging apparatus 1 including a bag-making and packaging apparatus 100 of the present embodiment.
  • FIG. 2 is a perspective view of a schematic configuration of the bag-making and packaging apparatus 100.
  • the packaging apparatus 1 is provided with a weighing machine 2 and the bag-making and packaging apparatus 100.
  • the weighing machine 2 weighs articles A (see FIG. 2 ) to be accommodated in a bag, as shown in FIG. 1 .
  • the bag-making and packaging apparatus 100 is installed underneath the weighing machine 2.
  • the bag-making and packaging apparatus 100 manufactures one or more bags B (see FIG. 2 ) by receiving one or more articles A from the weighing machine 2 and packaging the articles in a film F, as shown in FIGS. 1 and 2 .
  • the bag-making and packaging apparatus 100 includes a film supply unit 10, a shaping mechanism 20, a conveying mechanism 30, a longitudinal sealing mechanism 40, and a transverse sealing mechanism 50.
  • the film supply unit 10 supplies the shaping mechanism 20 with a sheet-form film F that will become the bags B.
  • the shaping mechanism 20 shapes the film F sent in sheet form into cylindrical form.
  • the conveying mechanism 30 downwardly conveys the film F that has taken on a cylindrical form (hereinafter referred to as the cylindrical film Fm).
  • the longitudinal sealing mechanism 40 longitudinally seals a superposed portion (seam) of the cylindrical film Fm.
  • the transverse sealing mechanism 50 closes off upper and lower ends of the bags B by transversely sealing the cylindrical film Fm.
  • the film supply unit 10 is a unit that supplies the sheet-form film F to the shaping mechanism 20.
  • a roll around which the film F is wound is set into the film supply unit 10, and the film F is unreeled from the roll.
  • the film F contains a paper material.
  • the shaping mechanism 20 shapes the sheet-form film F into cylindrical form.
  • the shaping mechanism 20 has a sailor 21 and a tube 22.
  • the sailor 21 and the tube 22 together are referred to as a former.
  • the tube 22 extends up and down (vertically in this embodiment).
  • the tube 22 is a partially cylindrical member and is open at the upper and lower ends. Articles A weighed by the weighing machine 2 are loaded into the opening in the upper end of the tube 22.
  • the sailor 21 is disposed so as to encircle the tube 22.
  • the sheet-form film F supplied from the film supply unit 10 is shaped into cylindrical form when passing between the sailor 21 and the tube 22.
  • the sailor 21 and the tube 22 can be replaced in accordance with the size of the bags B being manufactured.
  • FIG. 3 is a perspective view of the sailor.
  • the sailor 21 has a collar section 211 and a guide cylinder 212 as shown in FIG. 3 .
  • the collar section 211 and the guide cylinder 212 smoothly join together so that the collar section 211 converges on a peripheral edge of an entrance of the guide cylinder 212.
  • the guide cylinder 212 guides the sheet-form film F in a predetermined conveying direction (downward in this embodiment).
  • the guide cylinder 212 has a circular or oval cross-sectional shape. An inner diameter of the guide cylinder 212 is fixed.
  • the guide cylinder 212 is not a cylinder of which a side surface is completely closed; the guide cylinder overlaps by a predetermined dimension in a forward-backward direction.
  • the term "forward" in the forward-backward direction indicates a front-surface side when the sailor 21 is viewed from the longitudinal sealing mechanism 40 side in FIG. 2 .
  • the sailor 21 further has a folding section 213 that folds the film F into cylindrical form.
  • An upper end 213a of the folding section 213 is in a position where an advancing direction of the film F is changed to downward.
  • a lower end 213b of the folding section 213 is in a position where both ends (left and right edges) of the film F overlap in the up-down direction.
  • the folding section 213 has a diagonal oval shape (tear shape).
  • the tube 22 is disposed inside the guide cylinder 212 of the sailor 21, as shown in FIG. 2 .
  • the film F is passed through an annular gap between an outer peripheral surface of the tube 22 and an inner peripheral surface of the guide cylinder 212.
  • the tube 22 wraps the film F therearound and shapes the film into cylindrical form. That is, the tube 22 shapes the film F into cylindrical form with the film F wrapping around the tube 22.
  • FIG. 4 is a perspective view of the tube 22.
  • the tube 22 is a cylinder of which a side surface is partially cut out as shown in FIG. 4 .
  • the tube 22 includes a shaping section 22a, a loading section 22b, and a discharge section 22c.
  • the shaping section 22a is a portion of which an outer peripheral surface is covered by the guide cylinder 212 of the sailor 21.
  • the shaping section 22a is represented by diagonal lines in FIG. 4 .
  • the loading section 22b is positioned on a side upstream from the shaping section 22a along the conveying direction of the cylindrical film Fm.
  • the loading section 22b has a cone shape.
  • An upper end of the loading section 22b is an upper open end into which the articles A are loaded.
  • the discharge section 22c is positioned on a side downstream from the shaping section 22a along the conveying direction of the cylindrical film Fm.
  • the discharge section 22c has a column shape.
  • flat surface parts are formed in a portion facing pull-down belts 31 (described hereinafter) and a portion facing the longitudinal sealing mechanism 40.
  • a lower end of the discharge section 22c is a lower open end of the tube 22.
  • the shaping section 22a and the discharge section 22c of the tube 22 are covered by the cylindrical film Fm.
  • FIG. 5(A) is a schematic drawing schematically depicting a longitudinal cross-section in the shaping section 22a of the tube 22.
  • FIG. 5(B) is a schematic drawing schematically depicting a transverse cross-section in the shaping section 22a of the tube 22.
  • a transverse cross-section of the guide cylinder 212 of the sailor 21 is shown by a double-dashed line and the discharge section 22c of the tube 22 is shown by a dashed line.
  • the tube 22 includes a large-diameter section 221 and a small-diameter section 222 as shown in FIGS. 4 and 5 .
  • An outer diameter D222 of the small-diameter section 222 is smaller than an outer diameter D221 of the large-diameter section 221.
  • the tube 22 has an arcuate portion and further has a partially linear portion 22d in a cross-sectional view, and the outer diameter D221 of the large-diameter section 221 and the outer diameter D222 of the small-diameter section 222 are therefore specified by arcuate portions.
  • the outer diameter D221 of the large-diameter section 221 corresponds to the size of the bags B being manufactured.
  • the outer diameter D222 of the small-diameter section 222 is, for example, 1 mm to 7 mm (inclusive), and preferably 2 mm to 4 mm (inclusive), smaller than the outer diameter D221 of the large-diameter section 221.
  • a gap G222 between the guide cylinder 212 of the sailor 21 and the small-diameter section 222 is larger than a gap G221 between the large-diameter section 221 and the guide cylinder 212 or a virtual cylinder imagined by extending the guide cylinder 212 downward.
  • the large-diameter section 221 need not overlap the guide cylinder 212.
  • the large-diameter section 221 is positioned below a predetermined position 223.
  • the small-diameter section 222 is positioned above the predetermined position 223.
  • the predetermined position 223 is positioned lower than a location in the tube 22 where the tube 22 faces the folding section 213.
  • the predetermined position 223 shall be described here.
  • the predetermined position 223 is lower than the lower end 213b of the folding section 213 in the tube 22.
  • the predetermined position 223 is also higher than a lower end of the guide cylinder 212.
  • the predetermined position 223 is positioned higher than the pull-down belts 31 of the conveying mechanism 30.
  • the predetermined position 223 is positioned, for example, 1 mm to 10 mm (inclusive) downward from the lower end 213b of the folding section 213.
  • the film F changes shape along an inner diameter of the sailor 21, and the size of the bags B therefore does not depend on an outer diameter of the tube 22, i.e., the outer diameter D222 of the small-diameter section 222.
  • the film F flows along the outer diameter of the tube 22, and the size of the bags B therefore depends on the outer diameter of the tube 22, i.e., the outer diameter D221 of the large-diameter section 221.
  • the predetermined position 223 is positioned in the shaping section 22a, where the outer peripheral surface of the tube 22 is covered by the guide cylinder 212. Additionally, the predetermined position 223 is a direction that is orthogonal to the up-down direction (the vertical direction in this embodiment) in which the tube 22 extends, i.e., the left-right direction (the horizontal direction in this embodiment), but may be a direction that intersects the up-down direction in which the tube 22 extends.
  • the small-diameter section 222 faces the folding section 213. Additionally, an upper end of the small-diameter section 222 either is positioned at the same height as the shaping section 22a facing the sailor 21 or higher than the shaping section 22a.
  • the large-diameter section 221 faces the longitudinal sealing mechanism 40. In this embodiment, the large-diameter section 221 also faces the pull-down belts 31.
  • the tube 22 of the present embodiment further includes a joining section 224 that joins the small-diameter section 222 and the large-diameter section 221.
  • the joining section 224 is provided between the small-diameter section 222 and the large-diameter section 221.
  • An upper end of the joining section 224 has the same outer diameter D222 as the small-diameter section 222.
  • a lower end of the joining section 224 has the outer diameter D221 of the large-diameter section 221.
  • the joining section 224 has a shape such that the outer diameter D222 of the small-diameter section 222 and the outer diameter D221 of the large-diameter section 221 are joined. Therefore, the outer diameter of the joining section 224 changes at a position in the up-down direction, and downward, the outer diameter remains the same or increases.
  • the joining section 224 has a tapered shape.
  • the joining section 224 faces either the folding section 213 or a position below the folding section 213. In this embodiment, the joining section 224 is positioned at the same height as the predetermined position 223 or higher than the predetermined position 223.
  • the small-diameter section 222 and the large-diameter section 221 may be formed from one member, or separate members may be linked. Additionally, the small-diameter section 222, the large-diameter section 221, and the joining section 224 may be formed from one member, or separate members may be linked. In this embodiment, the small-diameter section 222, the large-diameter section 221, and the joining section 224 are linked by welding.
  • the conveying mechanism 30 is a mechanism that attracts the cylindrical film Fm wound around the tube 22 and continuously conveys the film downward, as shown in FIG. 2 .
  • the conveying mechanism 30 has the pull-down belts 31, which are provided to both left and right sides of the tube 22. In the conveying mechanism 30, the pull-down belts 31, which have an attraction function, are caused to rotate by drive rollers 32 and driven rollers 33, and the cylindrical film Fm is thereby carried downward.
  • the conveying mechanism 30 also has a drive device (not shown) that rotates the drive rollers 32, etc.
  • the longitudinal sealing mechanism 40 is a mechanism that heats and longitudinally seals the overlapping portion (seam) of the cylindrical film Fm wound around the tube 22 while pushing this portion against the tube 22 with a constant pressure.
  • the longitudinal sealing mechanism 40 is positioned on a front (front-surface) side of the tube 22, and this mechanism has a heater and a heater belt that is heated by the heater and that comes into contact with the seam of the cylindrical film Fm.
  • the longitudinal sealing mechanism 40 also has a drive device (not shown) for moving the heater belt toward and away from the tube 22.
  • the type of longitudinal sealing in the longitudinal sealing mechanism 40 can be either envelope sealing or butt sealing (fin sealing).
  • the transverse sealing mechanism 50 is a mechanism that closes off the upper and lower ends of the bags B by transversely sealing the cylindrical film Fm.
  • FIG. 6 is a side view of the transverse sealing mechanism 50.
  • FIG. 7 is a side view of trajectories of sealing jaws 51, 52.
  • the transverse sealing mechanism 50 has a first sealing mechanism 50a and a second sealing mechanism 50b. Positioned on a left side of the cylindrical film Fm in FIG. 6 is the first sealing mechanism 50a, and positioned on a right side is the second sealing mechanism 50b.
  • the sealing jaws 51, 52 have heaters inside. Sealing surfaces of the sealing jaws 51, 52 are heated by the heaters and a part of the cylindrical film Fm pinched by the sealing jaws 51, 52 is sealed.
  • the sealing jaw 51 on the first sealing mechanism 50a side is referred to as a first sealing jaw 51a
  • the sealing jaw 51 on the second sealing mechanism 50b side is referred to as a second sealing jaw 51b.
  • the first sealing jaw 51a and the second sealing jaw 51b push against each other and seal the cylindrical film Fm pinched therebetween.
  • first sealing jaw 52a the sealing jaw 52 on the first sealing mechanism 50a side
  • second sealing jaw 52b the sealing jaw 52 on the second sealing mechanism 50b side
  • the first sealing jaw 52a and the second sealing jaw 52b push against each other and seal the cylindrical film Fm pinched therebetween.
  • the sealing jaws are expressed as the sealing jaws 51, 52.
  • the sealing jaws 51, 52 revolve around axes C1, C2 by drive motors (not shown). Specifically, the first sealing jaws 51a, 52a revolve around the axis C1, and the second sealing jaws 51b, 52b revolve around the axis C2.
  • a transverse-direction drive mechanism 55 that causes the transverse sealing mechanism 50 to move back and forth is provided as shown in FIG. 6 .
  • the sheet-form film F supplied from the film supply unit 10 is conveyed by the conveying mechanism 30 to the shaping mechanism 20, as shown in FIGS. 1 and 2 .
  • the sheet-form film F is passed through the gap G222 between the sailor 21 and the tube 22.
  • the sheet-form film is folded into cylindrical form by the sailor 21, and the film F is wound and shaped into cylindrical form by the tube 22.
  • the articles A weighed by the weighing machine 2 are sequentially loaded into the upper open end of the tube 22. At this time, the outer periphery of the tube 22 is covered by the cylindrical film Fm for packaging the articles A.
  • the articles A pass through the loading section 22b, the shaping section 22a, and the discharge section 22c of the tube 22, and the articles A are discharged from the lower open end of the tube 22.
  • the first sealing jaw 51a and the second sealing jaw 51b pinch and transversely seal the cylindrical film Fm in advance, and an upper part of a bag B and a bottom part of the next bag B are formed.
  • the cylindrical film Fm, waiting with the bottom part sealed, is filled with articles A, the first sealing jaw 51a and the second sealing jaw 51b pinch and transversely seal the upper portion of the film, and the upper part of the bag B and the bottom part of the next bag B are formed.
  • the transverse sealing mechanism 50 cuts the middle of the sealed part immediately after the sealing, and a bag B containing articles A is completed.
  • the bag-making and packaging apparatus 100 is a bag-making and packaging apparatus that shapes a sheet-form film F into cylindrical form and performs transverse sealing to manufacture bags B, wherein the bag-making and packaging apparatus comprises a conveying mechanism 30 and a shaping mechanism 20.
  • the conveying mechanism 30 conveys the film F.
  • the shaping mechanism 20 shapes the film F into cylindrical form.
  • the shaping mechanism 20 has a sailor 21 and a tube 22.
  • the sailor 21 has a folding section 213 that folds the film F into cylindrical form.
  • the tube 22 extends up and down and the film F wraps around the tube to be shaped into cylindrical form.
  • the tube 22 includes a large-diameter section 221 and a small-diameter section 222.
  • the large-diameter section 221 is positioned below a predetermined position 223.
  • the small-diameter section 222 is positioned above the predetermined position 223, and has an outer diameter D222 smaller than an outer diameter D221 of the large-diameter section 221.
  • the predetermined position 223 is positioned below a location in the tube 22 where the tube faces the folding section 213.
  • the small-diameter section 222 has an outer diameter smaller than that of the large-diameter section 221 positioned below the predetermined position 223.
  • the gap G222 between the sailor 21 and the small-diameter section 222 can thereby be enlarged.
  • the gap G222 through which the film F is passed can be enlarged because the predetermined position 223 is positioned below the location in the tube 22 where the tube faces the folding section 213. Therefore, even if the film F is made of a material that does not readily expand and contract, the film F will be readily passed through the gap G222 between the sailor 21 and the tube 22. Therefore, it is possible to manufacture cylindrical bags B regardless of which material is used for the film F.
  • the bag-making and packaging apparatus 100 of the present embodiment makes it possible to manufacture cylindrical bags B even with a material with which it is difficult to manufacture cylindrical bags. Therefore, the bag-making and packaging apparatus 100 of the present embodiment is suitable for use as a bag-making and packaging apparatus that shapes a film F containing a paper material into cylindrical form and performs transverse sealing to manufacture bags B.
  • a film F containing a paper material is environmentally friendly, and the bag-making and packaging apparatus 100 of the present embodiment can therefore contribute to the environment.
  • the bag-making and packaging apparatus 100 of the present embodiment makes it easier, by the small-diameter section 222, to pass the film F through the gap G222 between the sailor 21 and the tube 22, and is therefore suitable for use in shaping a thick film F.
  • the large-diameter section 221 having an outer diameter D221 corresponding to the size of the bags B is provided lower than the predetermined position 223, and the small-diameter section 222 having an outer diameter D222 smaller than the outer diameter D221 of the large-diameter section 221 is provided higher than the predetermined position 223. Therefore, the small-diameter section 222 makes it easier for the film F to pass through, and the film F can be shaped into the desired size of the bags B in the large-diameter section 221, which has a greater effect on the size of the bags B. Therefore, the ease with which the film F passes through is improved while the size of the bags B is guaranteed.
  • the predetermined position 223 of the present embodiment is positioned higher than the longitudinal sealing mechanism 40.
  • the large-diameter section 221 faces the longitudinal sealing mechanism 40.
  • a cylindrical film F corresponding to the size of the bags B can thereby be sealed in the longitudinal sealing mechanism 40.
  • the small-diameter section 222 faces the folding section 213.
  • the gap G222 between the sailor 21 and the tube 22 can thereby be enlarged in the folding section 213.
  • the advancing direction and shape of the sheet-form film F change significantly, and the passage of the film F is therefore made easier by enlarging the gap G222 of the folding section 213 in this manner.
  • the tube 22 may further include the joining section 224, which joins the small-diameter section 222 and the large-diameter section 221.
  • the joining section 224 faces either the folding section 213 or a position below the folding section 213.
  • a tube 22 having a shape in which the small-diameter section 222 and the large-diameter section 221 are joined by the joining section 224 can be used.
  • a film containing a paper material is shaped into cylindrical form and transverse sealing is performed to manufacture bags, but this example is not provided by way of limitation as to the material and thickness of the film F.
  • a resin film F is shaped.
  • a bag-making and packaging apparatus 100 that manufactures bags B that accommodate articles A, but this example is not provided by way of limitation.
  • a sheet-form film is shaped into cylindrical form and transverse sealing is performed to manufacture bags that do not accommodate articles A.
  • the tube 22 of the above embodiment includes the joining section 224, but the joining section 224 may be omitted.
  • the sailor 21 of the above embodiment has the guide cylinder 212, which overlaps by a predetermined dimension in the forward-backward direction, but this example is not provided by way of limitation. In the present modification, the guide cylinder does not overlap in the forward-backward direction and is in an open state.
  • Patent Literature 1 Japanese Laid-open Patent Publication No. 2007-261652

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
EP21181589.9A 2020-01-30 2021-01-26 Beutelherstellungs- und -verpackungsvorrichtung Withdrawn EP3981695A1 (de)

Applications Claiming Priority (2)

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JP2020013398A JP2021119086A (ja) 2020-01-30 2020-01-30 製袋包装機
EP21153389.8A EP3859465A1 (de) 2020-01-30 2021-01-26 Beutelherstellungs- und verpackungsvorrichtung

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EP21153389.8A Division-Into EP3859465A1 (de) 2020-01-30 2021-01-26 Beutelherstellungs- und verpackungsvorrichtung
EP21153389.8A Division EP3859465A1 (de) 2020-01-30 2021-01-26 Beutelherstellungs- und verpackungsvorrichtung

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EP3981695A1 true EP3981695A1 (de) 2022-04-13

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EP21181589.9A Withdrawn EP3981695A1 (de) 2020-01-30 2021-01-26 Beutelherstellungs- und -verpackungsvorrichtung

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DE102021124429A1 (de) 2021-09-21 2023-03-23 Syntegon Packaging Solutions B.V. Verfahren zum Betreiben einer Verpackungsmaschine und eine Verpackungsmaschine

Citations (3)

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US20030009989A1 (en) * 2001-05-18 2003-01-16 Knoerzer Anthony Robert Vertical multipack
JP2007261652A (ja) 2006-03-29 2007-10-11 Tokyo Autom Mach Works Ltd 縦形製袋充填包装機の製袋装置
US20120285129A1 (en) * 2011-05-11 2012-11-15 Ishida Co., Ltd. Form-fill-seal machine

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EP3305672B1 (de) * 2015-05-26 2022-05-04 Ishida Co., Ltd. Produktionslinienkonfigurationsvorrichtung
JP2021004756A (ja) * 2019-06-25 2021-01-14 株式会社イシダ 組合せ計量装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030009989A1 (en) * 2001-05-18 2003-01-16 Knoerzer Anthony Robert Vertical multipack
JP2007261652A (ja) 2006-03-29 2007-10-11 Tokyo Autom Mach Works Ltd 縦形製袋充填包装機の製袋装置
US20120285129A1 (en) * 2011-05-11 2012-11-15 Ishida Co., Ltd. Form-fill-seal machine

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