EP3231721B1 - Machine pour la production des caisses d' emballage - Google Patents

Machine pour la production des caisses d' emballage Download PDF

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Publication number
EP3231721B1
EP3231721B1 EP17166253.9A EP17166253A EP3231721B1 EP 3231721 B1 EP3231721 B1 EP 3231721B1 EP 17166253 A EP17166253 A EP 17166253A EP 3231721 B1 EP3231721 B1 EP 3231721B1
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EP
European Patent Office
Prior art keywords
crate
longitudinal
sides
transverse
panel
Prior art date
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Application number
EP17166253.9A
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German (de)
English (en)
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EP3231721A1 (fr
Inventor
Maria Teresa Cintio
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/001—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper stackable
    • B65D5/0015—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper stackable the container being formed by folding up portions connected to a central panel
    • B65D5/002—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper stackable the container being formed by folding up portions connected to a central panel having integral corner posts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/001—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper stackable
    • B65D5/005—Separate or attached stacking elements
    • B65D5/007—Wooden elements affixed to the container blank before or during erection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • B31B2100/002—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed
    • B31B2100/0024—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed having all side walls attached to the bottom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2110/00—Shape of rigid or semi-rigid containers
    • B31B2110/30—Shape of rigid or semi-rigid containers having a polygonal cross section
    • B31B2110/35—Shape of rigid or semi-rigid containers having a polygonal cross section rectangular, e.g. square
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/502—Construction of rigid or semi-rigid containers having integral corner posts or reinforcements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/44—Folding sheets, blanks or webs by plungers moving through folding dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/44—Folding sheets, blanks or webs by plungers moving through folding dies
    • B31B50/46—Folding sheets, blanks or webs by plungers moving through folding dies and interconnecting side walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B31B50/68—Uniting opposed surfaces or edges; Taping by stitching, stapling or riveting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/28—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with extensions of sides permanently secured to adjacent sides, with sides permanently secured together by adhesive strips, or with sides held in place solely by rigidity of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/4295—Ventilating arrangements, e.g. openings, space elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/62—External coverings or coatings

Definitions

  • This invention is intended for the sector of production of packaging made in rigid, non-folding material, commonly called crates.
  • This kind of packaging is suitable for any kind of use, particularly for containing, transporting, storing and distributing all kinds of products, especially foodstuffs and/or fruits and vegetables, which, in view of their fragility, need adequate protection, both during storage and during transportation from points of production to destinations, including in refrigerated environments.
  • EP2366633A1 in the name of this applicant, describes a forming machine and packaging made with that forming machine.
  • the forming machine enables a completely automatic method for making packaging starting from a flat sheet.
  • the sheet is made up into shape and side flaps of the packaging are glued together to keep the packaging in its three-dimensional state.
  • gluing of materials such as MDF does not prove efficient.
  • the packaging requires appropriate interlocking or has to be reinforced with staples, by means of metal wire and/or plastic.
  • such a machine is not suitable for making packaging of crates with corner posts.
  • US3583295 describes a forming machine which can form and staple a cardboard box without corner posts.
  • the stapling is done with the cardboard not moving. If extra staples are desired, the cardboard has to move forward by steps, not in continuous mode.
  • the stapling heads are jointed only to move closer to the cardboard and apply the staple, before withdrawing from the cardboard to allow the cardboard to move forward one step and apply the next staple and so on.
  • the stapling heads do not move at the same speed as the cardboard to apply the staples continuously.
  • the stapling heads are used to staple two folds of overlapping cardboard, and cannot staple a corner post of rigid material. Since there is no provision for corner posts, the mandrel does not provide for spaces for corner posts.
  • GB1164541 describes a forming machine for cardboard in which glue could be replaced by stapling guns to secure the side flaps. This document does not describe corner posts, nor the box being followed by the stapling heads.
  • WO2013/065025 describes a forming machine for cardboard in which provision is made for stapling cardboard flaps which are adjacent and not overlapping. Obviously a machine of this type is not suitable for stapling corner posts.
  • the purpose of this invention is to eliminate the inconveniences of existing techniques and provide a machine for the production of crate-type packaging, suitable for any use, particularly for containing and transporting foodstuffs and/or fruits and vegetables, which have the advantages typical of packaging made from rigid, non-flexible materials, i.e. robustness, stability and hygiene.
  • Another purpose of this invention is to provide such a machine, which is practical, economical, versatile and fully automatic.
  • the machine according to the invention is used for the production of crate-type packaging, starting from a panel.
  • the panel comprises:
  • the machine comprises:
  • a crate (100) is shown, as obtained with the machine (F) according to the invention.
  • the crate (100) comprises a base (3), two longitudinal sides (4) and two transverse sides (5) which rise from the base (3).
  • the crate (100) is obtained starting from a panel (C).
  • the panel (C) has a substantially rectangular or square shape and features two longitudinal edges (10) and two transverse edges (11).
  • the panel (C) is made of rigid, but foldable material, such as, for example, cardboard.
  • the panel (C) comprises a number of through openings for transpiration (12).
  • the transpiration openings (12) are circular and/or oblong eyelet shaped and are cut into a central part of the panel (C).
  • the transpiration openings (12) enable transpiration of the product contained in the crate (100).
  • the panel (C) comprises two longitudinal folding lines (15), to fold the longitudinal sides (4) and two transverse folding lines (16), to fold the transverse sides (5).
  • Side flaps (50) with a rectangular or square shape, are connected to the parts of the transverse sides (5), connecting folding lines (114) positioned longitudinally and staggered by a distance equal to the thickness of the panel compared to the longitudinal folding lines (15).
  • the side flaps (50) could be connected to the longitudinal sides (4) through connecting folding lines positioned transversely.
  • the longitudinal, transverse and connecting folding lines (15, 16, 114) can be made in a known way, through creases or incisions in the panel (C) in rigid, but foldable, material.
  • the machine (F) comprises means of forming (F1) set up to put the crate (100) into shape, starting from the panel (C) in such a way as to fold the transverse sides (5) and the longitudinal sides (4) of the crate along the transverse folding lines (16) and the longitudinal folding lines (15) of the panel.
  • the means of forming (F1) comprises a forming mandrel (90) and a tunnel (99) positioned below the forming mandrel.
  • the forming mandrel (90) is in the shape of a parallelepiped, with a base substantially the same as the base (3) of the crate it has to form.
  • the forming mandrel (90) is supported by columns (91) fitted to slide vertically on guides (92A) fitted in a supporting frame (92).
  • the forming mandrel (90) can be driven by any suitable means, for example, an electric, magnetic, pneumatic or hydraulic actuator.
  • the means of transmission (93a) may include a connecting rod, chain or the like.
  • the tunnel (99) comprises four sides formed by two longitudinal plates (94) and two transverse plates (95), which make up a parallelepiped tunnel through which the forming mandrel (90) can pass.
  • Each plate (94, 95) of the tunnel has its upper part curved towards the outside.
  • the upper part of the plates (94, 95) may include rollers.
  • the tunnel (99) of the machine (F) features four guides (98), obtained from plates curved towards the outside or rollers, to allow the side flaps (50) to be folded along the connecting folding lines (114).
  • the guides (98) are parallel to the longitudinal plates (94) and positioned at the ends of the longitudinal plates (94), closer to the inside of the tunnel (99) compared to the longitudinal plates.
  • the panel (C) is positioned on the tunnel (99) in such a way that the side flaps (50) of the panel lie above the guides (98) of the tunnel, the parts of the longitudinal sides (4) of the panel lie above the externally curved parts of the longitudinal plates (94) of the tunnel and the parts of the transverse sides (5) of the panel lie above the externally curved parts of the transverse plates (95) of the tunnel.
  • the forming mandrel (90) pushes the part of the base (3) of the panel downwards and the side flaps (50) bend upwards, along the connecting folding lines (114) to form a 90° angle with the transverse sides (5).
  • the longitudinal and transverse plates (94, 95) of the tunnel raise the longitudinal and transverse sides (4, 5) of the panel, in relation to the part of the base (3), to form the crate (100).
  • the machine (F) also comprises means of stapling (F2), set up in such a way as to staple the transverse sides (5) and/or longitudinal sides (4) of the crate.
  • the means of stapling (F2) are stapling the longitudinal sides (4) to the side flaps (50).
  • the means of stapling (F2) comprises two pairs of stapling heads (96), fitted to swing on respective bars (97) positioned parallel to the longitudinal plates (94) of the tunnel.
  • the stapling heads (96) place the staples (P1) (see Fig. 1 ) which attach the longitudinal sides (4) to the side flaps (50) of the crate.
  • Fig. 3 shows the panel (C) in flat form above the tunnel (99).
  • Figs. 4 and 5 show two successive stages of the forming of the crate (100); this is while the forming mandrel (90) descends inside the tunnel (99), pressing on the base (3) of the panel, the side flaps (50), the longitudinal sides (4) and the transverse sides (5) fold along the connecting, longitudinal and transverse folding lines (114, 15, 16) channels until reaching a position which is substantially perpendicular in relation to the base (3).
  • a command signal activates the stapling heads (96) to place the staples.
  • the stapling heads (96) are driven by actuators, in such a way as to perform a swinging movement (like a pendulum) around the bar (97). Therefore, during the stapling, the stapling heads (96) follow the longitudinal sides (4) of the crate at a speed that is substantially the same as that of the forming mandrel (90).
  • the forming mandrel (90) When the forming mandrel (90) is lowered it presses the base (3), the side flaps (50), being in contact with the guides (98), fold along the connecting folding lines (114) and close against the longitudinal sides (4). At this point, the stapling head (96) places the staples (P1), attaching the longitudinal side (4) to the side flap (50).
  • the machine (F) can include means of countering (not shown in the figures), used to support and flatten the staples (P1) placed by the stapling heads (96).
  • the means of countering can be obtained through a counter device fitted to the forming mandrel (90) and used to operate together with the stapling head (96).
  • the formed crate (100) is expelled from the tunnel (99) and the forming mandrel (90) repositions itself above the tunnel (99) for a successive cycle.
  • the motor (93) of the forming mandrel (90) is configured in such a way as to vary the speed of the forming mandrel (90) during the forming cycle, in order to optimise timings and production.
  • the panel (C) can be in rigid, fragile material, such as wood, plywood, MDF, compound material and the like.
  • the panel (C) is milled, with material removed, in the longitudinal and transverse channels (15, 16), with weakening of the panel.
  • the motor (93) is set up in order to control the speed of the forming mandrel (90), by slowing the mandrel in the initial stage of folding the longitudinal and transverse sides (4, 5), to avoid uneven breakage, and increasing the speed of the mandrel in the other stages of the process.
  • the device which commands and activates the stapling heads (96) may be any type of actuator, for example, electric, electronic, mechanical, pneumatic, hydraulic or the like.
  • the crate (100) exits from the tunnel (99) of the forming and stapling machine ( Fig. 1 ) already in shape and permanently fixed with the staples (P1).
  • the crate (100) is ready for use or for stacking.
  • the panel (C) might also include a number of protrusions (not shown) close to the longitudinal edges (10) and/or the transverse edges (11), as well as a number of openings (not shown) made in a central part of the panel. These openings must coincide with the position of the protrusions made close to the longitudinal edges (10) and/or the transverse edges (11), so that when a crate (100) of fig. 1 is placed on top of another crate (100), the protrusions of the first crate coincide and interlock with the openings in the second crate placed on top. In this way, placing one crate exactly on top of another is easier and stable stacking of the crates is ensured.
  • FIG. 6 the panel (C) of Fig. 2 is shown, to which four corner posts (6) have been attached, in the form of columns protruding above the transverse sides (5).
  • the corner posts (6) are attached to the transverse sides (5) using staples (P) ( Fig. 8 ) in metal wire or plastic.
  • the corner posts (6) could be attached to the longitudinal sides (4).
  • the corner posts (6) are constituted from battens of wood or other suitable rigid material with a triangular cross-section, but may also have a different geometrical shape (square, rectangular cross-section, etc.).
  • Each corner post (6) has an upper end (60) protruding above the transverse side (5) and a lower end (61) aligned with the corner window (17).
  • Fig. 7 shows the panel (C) put into shape with the corner posts (6), using the machine (F).
  • the forming mandrel (90) has cut-off corners (90') to create spaces for the corner posts (6).
  • the stapling heads (96) when they perform the stapling, place the staples (P1) through the longitudinal side (4) and the side flap (50) and sink them into the corner post (6), without any need to flatten the tips.
  • a crate (200) exits from the machine (F) fitted with corner posts (6) and therefore with greater rigidity than the crate (100).
  • the upper ends (60) of the corner posts of the first crate are inserted into the corner windows (17) of the second crate, in such a way that the lower ends (61) of the corner posts of the second crate butt against the upper ends (60) of the corner posts of the first crate.
  • the corner windows (17) of the second crate ensure both the stacking alignment of the second crate on top of the first crate and stability, preventing side movement of the second crate in relation to the first crate.
  • each corner window (17) of the base (3) of the crate has to be of slightly greater dimensions than those of the upper end (60) of the corner post (6).
  • FIG. 9 a second embodiment of a panel (1) is shown.
  • the panel (1) comprises a sheet (2) in rigid non-folding material, such as, for example, wood, fibre wood, plywood, MDF, compound material and the like.
  • a film (20) is attached to the sheet (2), by gluing, for example.
  • the film (20) is positioned on a face of the sheet that is to be turned towards the outside of the crate.
  • the film (20) can be glued to the sheet (2), using any known means, such as, for example, a sealer, an automatic coater or a laminator.
  • This film (20) may be of any flexible material, such as, for example paper, card, plastic film, duct tape and the like.
  • the film (20) may be transparent, non-transparent and/or printed with a desired print.
  • the film (20) may be transparent, to show the printed external face of the sheet (2).
  • the film (20) may be printed before or after application to the sheet (2), in order to save on the treatment of the sheet surfaces (2).
  • the longitudinal folding lines (15) are channels obtained with a "V"- shaped carving made on the sheet (2) of rigid, non-foldable material, in such a way as to leave a thin strip (21) of rigid material of the sheet (2), just sufficient to avoid unintentional folding of the panel (1) along these longitudinal folding lines (15), when not subjected to deliberate application of force. In this way, moving the panels in their flat form is made easier. Obviously this thin strip (21) of rigid material can be easily broken, to allow folding of the sides of the crate.
  • the transverse folding lines (16) are obtained in the same way as the longitudinal folding lines. However, these longitudinal and transverse folding lines (15, 16) can have any geometrical shape whatsoever which allows for the folding of the longitudinal sides (4) and/or transverse sides (5) substantially to 90° in relation to the base (3) of the container.
  • the panel (1) comprises corner windows (17), created at the corners of the base (3) part of the panel, in other words, at the ends of the longitudinal channels (15) and the transverse channels (16).
  • the panel (1) of the second embodiment can be made with a single sheet of rigid, but foldable, material, such as cardboard, and its folding lines can be made with creases or incisions.
  • the panel (C) of the first embodiment can be made with a sheet of rigid, non-foldable material with a foldable film applied to it and the folding lines can be made by means of incisions in the sheet of rigid, non-foldable material.
  • corner posts (6) are attached to the transverse sides (5) of the panel (1), in other words two corner posts on each transverse side.
  • the corner posts are attached with staples (P).
  • the corner posts could be attached to the longitudinal sides (4).
  • the panel (1) is shown being put into shape with the machine (F) according to the invention.
  • the machine (F) is not fitted with lateral guides on the tunnel (99).
  • the tunnel (99) is only provided with the longitudinal plates (94) and the transverse plates (95), to fold the longitudinal sides and the transverse sides of the panel (1) respectively.
  • the stapling heads (96) place the staples (P1) ( Fig. 15 ) on the longitudinal side (4) to attach the longitudinal side (4) to the corner post (6).
  • Fig. 15 shows a crate (300) obtained from the panel (1) of Fig. 11 .
  • Fig. 16 shows stacking of two crates (300).
  • the upper ends (60) of the corner posts of the first crate are inserted into the corner windows (17) of the second crate, in such a way that the lower ends (61) of the corner posts of the second crate butt against the upper ends (60) of the corner posts of the first crate.
  • Fig. 17 shows a third embodiment of a panel (1').
  • the panel (1') may be a single sheet of rigid, foldable material, such as cardboard, or may be obtained from application of a foldable film to a sheet of rigid, non-foldable material.
  • the folding lines are obtained by means of creasing or incisions.
  • the folding lines are obtained by means of incisions made only in the rigid, non-foldable material.
  • the panel (1') has transverse sides (5) higher than the longitudinal sides (4).
  • a through oblong eyelet (57) is made in the transverse sides (5) to act as a carrying handle.
  • the panel (1') has four side flaps (150), substantially rectangular shaped and connected to the transverse sides (5) through connecting folding lines (114), positioned longitudinally.
  • the side flaps (150) could be connected to the longitudinal sides (4) through connecting folding lines positioned transversely.
  • each side flap (150) two folding lines (151, 152) are made, parallel to each other and positioned longitudinally.
  • each side flap (150) has a longitudinal end flap (153), with a protruding part (154) protruding outwards in relation to the transverse edge of the panel (1').
  • each side flap (150) is folded along the folding lines (151, 152) in such a way that it takes the shape of a corner post (106), which is hollow inside, with a triangular cross-section.
  • the protruding part (154) of the longitudinal end flap (153) protrudes higher, in relation to the corner post (106) formed by the folded side flap.
  • the corner post (106) formed out of the folded side flap has a hole (155) which faces on to the window (117) made in the corners of the base (3).
  • staples (P) are applied to the transverse sides (5), in order to attach the corner posts (106) (obtained by folding the side flap (150)) to the transverse sides (5).
  • a variation of the panel (1') from the third embodiment might be that the end flap (153) of each side flap (150), rather than being folded towards the inside of the corner post (106), is folded towards the outside of the corner post; then the end flap (153) would remain visible on the inside face of the transverse side (5) of the crate.
  • the tips of the staples that attach the corner post (106) to the transverse side (5) would be facing towards the inside of the crate and would come into contact with the products contained in the crate.
  • the flap at the end (153) of the side flap (150) folds towards the inside of the corner post (106), so that the line of staples (P) can never come into contact with the product contained in the crate.
  • the connecting folding lines (114) and the folding lines (151, 152) may be obtained as creases or incisions if the panel is in cardboard or else with "V"-shaped carvings, or another geometrical shape, on the sheet of rigid material, if the panel comprises a sheet of rigid, non-foldable material covered with a foldable film.
  • Fig. 20 shows the panel (1') positioned above the tunnel (99) of the machine (F).
  • the forming mandrel (90) is lowered, also lowering the base (3) of the panel, and the longitudinal and transverse sides (4, 5) come into contact with the longitudinal and transverse plates (94, 95) of the tunnel, folding along their respective longitudinal and transverse folding lines (15, 16).
  • the stapling heads (96) have to make a flattened tip on the staples, in order to ensure the hold between the corner post (106) and the longitudinal side (4).
  • the machine (F) could include means of flattening (not shown), in order to support the corner post (106) during stapling and so help the flattening of the staples. This means of flattening could be columns inserted into the corner post (106) through the opening (155) of the corner post and which move together with the corner post.
  • a crate (400) is shown exiting from the machine (F), as obtained from the third embodiment of the panel (1').
  • the crate (400) has four corner posts (106) obtained from folding the side flaps (150) of the panel (1').
  • Each of the corner posts (106) features the protruding part (154) which protrudes at the top and the hole (155) which faces on to the windows (117) at the corners of the base (3).
  • a second crate (400) is positioned on a first crate (400).
  • the protruding parts (154) of the corner posts of the first crate interlock with the corner windows (117) of the second crate in order to ensure stacking alignment of the crates and stable stacking of the crates.
  • any protrusions for interlocking when stacking the crates must coincide with the respective windows and the protrusions and windows can be made in various positions and dimensions.
  • the heights of the transverse sides (5) and the longitudinal sides (4) may be different; also in all the forms of production of the crates, an extra folding line could be created on the same transverse sides (5) and/or longitudinal sides (4), parallel to the transverse folding line (16) and/or longitudinal folding line (15), which would allow a part of the panel to be folded at a following stage, to position it on the upper face of the crate, substantially parallel to the base (3) of the crate.
  • the line of staples may be in metal and/or plastic.
  • machine (F) can be altered and/or have parts added or be altered in shape or dimensions, by a qualified person in the sector, without exceeding the scope of the claims.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Making Paper Articles (AREA)
  • Cartons (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Claims (9)

  1. Machine (F) pour la production de conditionnements du type caisse (100; 200; 300; 400) à partir d'un panneau (C; 1; 1 '),
    ledit panneau comprenant :
    - des orifices et/ou des fentes (12, 17; 117, 57) passants,
    - des lignes de pliage longitudinales (15) qui permettent de plier les parois longitudinales (4) de la caisse par rapport à une paroi de fond (3),
    - des lignes de pliage transversales (16) qui permettent de plier les parois transversales (5) de la caisse par rapport à la paroi de fond (3), et
    - des ailettes latérales (50; 150) et/ou coins (6; 106) reliées aux dites parois transversales (5) et/ou longitudinales (4) ;
    ladite machine (F) comprenant :
    - des moyens de formage (F1) configurés de manière à mettre en volume ladite caisse à partir du dit panneau (C; 1; 1') afin de plier les parois transversales (5) et les parois longitudinales (4) de la caisse le long des rainures transversales (16) et des rainures longitudinales (15) du panneau ; et
    - des moyens d'agrafage (F2) configurés de façon à agrafer lesdites parois transversales (5) et/ou lesdites parois longitudinales (4) de la caisse pour les fixer aux dites ailettes latérales (50; 150) et/ou coins (6; 106).
    où
    lesdits moyens de formage (F1) comprennent un tunnel (99) et un mandrin de formage (90) configuré pour pouvoir se déplacer en mode alterné dans le tunnel (99), et
    lesdits moyens d'agrafage (F2) comprennent des têtes agrafeuses (96) montées oscillantes sur une barre (97) pour appliquer des agrafes (P1) sur les parois longitudinales (4) et/ou sur les parois transversales (5) de la caisse,
    caractérisée en ce que ladite machine comprend également
    des actionneurs branchés aux têtes agrafeuses (96) de façon que lesdites têtes agrafeuses (96) effectuent un mouvement oscillant, en suivant les parois longitudinales (4) et/ou transversales (5) de la caisse à une vitesse égale à celle du mandrin de formage (90), de sorte que l'agrafage est effectué avec le mandrin de formage (90) en mouvement et donc la caisse (100) qui se déplace en mode continu en phase d'agrafage.
  2. Machine (F) selon la revendication 1, où ledit mandrin de formage (90) a la forme d'un bloc parallélépipède et ledit tunnel (99) comprend quatre parois latérales formées par deux plaques longitudinales (94) et deux plaques transversales (95) qui définissent un tunnel parallélépipède apte à faire passer le mandrin de formage (90) ; chaque plaque (94, 95) du tunnel ayant une partie courbée vers l'extérieur ou une paroi munie de rouleaux pour permettre le pliage des parois transversales et longitudinales de la caisse.
  3. Machine (F) selon la revendication 1 ou 2, comprenant également :
    - des colonnes (91) fixées au mandrin de formage (90) et montées coulissantes dans des guides (92A) solidaires à un châssis de support (92),
    - un moteur ou actionneur (93) pour déplacer le mandrin de formage (90), et
    - des moyens de transmission (93a) reliés au moteur ou actionneur (93) et au mandrin de formage (90).
  4. Machine (F) selon la revendication 2 ou 3, où
    ledit panneau (C) comprend quatre ailettes latérales (50) reliées aux segments des parois transversales (5) ou des parois longitudinales (4), moyennant des lignes de pliage de liaison (114),
    ledit tunnel (99) de la machine (F) comprend quatre guides (98) obtenus moyennant des plaques courbées vers l'extérieur ou des plaques avec rouleaux, pour permettre le pliage des ailettes latérales (50) du panneau le long des rainures de liaison (114) ; les guides (98) du tunnel étant parallèles aux plaques longitudinales (94) et disposés aux extrémités des plaques longitudinales (94) plus près vers l'intérieur du tunnel (99) par rapport aux plaques longitudinales
    lesdits moyens d'agrafage (F2) étant configurés de manière à agrafer lesdites parois transversales (5) et/ou lesdites parois longitudinales (4) de la caisse aux dites ailettes latérales (50).
  5. Machine (F) selon l'une quelconque des revendications précédentes, comprenant également des moyens d'aplatissement aptes à aplatir les points d'agrafage (P1) effectués par lesdits moyens d'agrafage (F2).
  6. Machine (F) selon l'une quelconque des revendications précédentes, où ledit panneau (C; 1; 1') comprend des coins (6; 106) ayant une forme à colonne rigide ; lesdits coins (6; 106) étant agrafés sur des segments du dit panneau destinés à former lesdites parois transversales (5) et/ou lesdites parois longitudinales (4) de la caisse,
    lesdits moyens d'agrafage (F2) étant configurés de manière à agrafer lesdites parois transversales (5) et/ou lesdites parois longitudinales (4) de la caisse aux dits coins (6; 106).
  7. Machine (F) selon la revendication 6, où
    ledit panneau (1') comprend quatre ailettes latérales (150) reliées aux segments des parois transversales (5) ou des parois longitudinales (4), moyennant des lignes de pliage de liaison (114) ; chaque ailette latérale (150) étant pliée le long de lignes de pliage (151, 152) de manière à assumer la forme d'un coin (106) creux à l'intérieur ;
    ladite machine (F) comprenant des moyens d'aplatissement destinés à être insérés dans lesdits coins (106) pour aplatir les points d'agrafage (P1) effectués par lesdits moyens d'agrafage (F2).
  8. Machine (F) selon l'une quelconque des revendications précédentes, où ledit mandrin de formage (90) est un bloc parallélépipède ayant des angles émoussés (90') pour loger lesdits coins (6; 106).
  9. Machine (F) selon l'une quelconque des revendications de 3 à 8, où le moteur (93) est configuré de manière à contrôler la vitesse du mandrin de formage (90) en ralentissant le mandrin pendant la phase initiale de pliage des parois longitudinales et transversales (4, 5) pour éviter des cassures non uniformes et en augmentant la vitesse du mandrin pendant les autres phases du processus.
EP17166253.9A 2016-04-14 2017-04-12 Machine pour la production des caisses d' emballage Active EP3231721B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUA20162609 2016-04-14

Publications (2)

Publication Number Publication Date
EP3231721A1 EP3231721A1 (fr) 2017-10-18
EP3231721B1 true EP3231721B1 (fr) 2019-04-10

Family

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Application Number Title Priority Date Filing Date
EP17166253.9A Active EP3231721B1 (fr) 2016-04-14 2017-04-12 Machine pour la production des caisses d' emballage

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EP (1) EP3231721B1 (fr)
ES (1) ES2734849T3 (fr)
PE (1) PE20171528A1 (fr)
TR (1) TR201909749T4 (fr)

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CN109278350B (zh) * 2018-10-15 2020-05-26 添佶轴承科技（浙江）有限公司 一种叠盒方法
CN109016663B (zh) * 2018-10-15 2023-12-19 添佶轴承科技（浙江）有限公司 一种叠盒工装
CN109849427A (zh) * 2019-02-19 2019-06-07 广州珐玛珈智能设备股份有限公司 一种包装盒成型模具
CN111959028B (zh) * 2020-08-20 2022-04-08 湛江市冠利纸业包装有限公司 一种纸箱辅助装订装置
CN112208143A (zh) * 2020-10-12 2021-01-12 无为县海峰纸箱有限公司 一种带有吸尘功能的联动型纸箱折边装置
CN113085259B (zh) * 2021-05-11 2023-03-28 程龙 一种一次性成型的纸盒折边机
CN114013104A (zh) * 2021-11-18 2022-02-08 青岛晟润宏工贸有限公司 一种自动化纸护角装订装置

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US3186244A (en) * 1961-12-01 1965-06-01 Bradford Speed Packaging And D Drive mechanism for the plunger of a plunger-and-die type folding box machine
GB1164541A (en) * 1967-01-11 1969-09-17 Bowater Packaging Ltd Apparatus for Forming Open-Topped Trays from Blanks
US3583295A (en) * 1968-11-14 1971-06-08 A R Ind Inc Carton erection machine
NL7314850A (fr) * 1973-10-30 1975-05-02 Hendrikus Petrus Verboord
IT1085459B (it) * 1977-05-05 1985-05-28 Valenti Dante Meccanica V D Macchina per la formazione di cassette di cartone ondulato,particolarmente per prodotti ortofrutticoli
FR2595324B1 (fr) * 1986-03-07 1989-12-22 Nacelle Sarl Decoupe pour la realisation de plateaux pour fruits et legumes et procede pour l'assemblage d'une telle decoupe
US5535941A (en) * 1995-03-27 1996-07-16 Smurfit Carton Y Papel De Mexico Corrugated box having corner support posts
ITFI20110242A1 (it) * 2011-11-04 2013-05-05 Europrogetti Srl Procedimento per la formatura di scatole, relativa apparecchiatura e scatola così formata

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Also Published As

Publication number Publication date
PE20171528A1 (es) 2017-10-20
EP3231721A1 (fr) 2017-10-18
ES2734849T3 (es) 2019-12-12
TR201909749T4 (tr) 2019-07-22

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