EP4041539A1 - Dispositif et procede de formage de conteneur par pliage - Google Patents
Dispositif et procede de formage de conteneur par pliageInfo
- Publication number
- EP4041539A1 EP4041539A1 EP20792565.2A EP20792565A EP4041539A1 EP 4041539 A1 EP4041539 A1 EP 4041539A1 EP 20792565 A EP20792565 A EP 20792565A EP 4041539 A1 EP4041539 A1 EP 4041539A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- folding
- cover
- movement
- tongue
- plate
- 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.)
- Granted
Links
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- 238000011144 upstream manufacturing Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000002537 cosmetic Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000009928 pasteurization Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
- B65B43/265—Opening, erecting or setting-up boxes, cartons or carton blanks
-
- 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
- B31B50/004—Closing boxes
- B31B50/0044—Closing boxes the boxes having their opening facing upwardly
-
- 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
- B31B50/004—Closing boxes
- B31B50/0042—Closing boxes the boxes having their opening facing in horizontal direction
-
- 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
- B31B50/005—Making rigid or semi-rigid containers, e.g. boxes or cartons involving a particular layout of the machinery or relative arrangement of its subunits
-
- 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
- B31B50/262—Folding sheets, blanks or webs involving folding, leading, or trailing flaps of blanks
-
- 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
- B31B50/52—Folding sheets, blanks or webs by reciprocating or oscillating members, e.g. fingers
- B31B50/54—Folding sheets, blanks or webs by reciprocating or oscillating members, e.g. fingers operating on moving material
-
- 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
- B31B50/56—Folding sheets, blanks or webs by rotary members co-operating with blades
-
- 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
- B31B50/58—Folding sheets, blanks or webs by moving endless belts or chains
-
- 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
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/004—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material in blanks, e.g. sheets precut and creased for folding
-
- 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
- B65B7/00—Closing containers or receptacles after filling
- B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
- B65B7/26—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by closing hinged lids
-
- 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
- B31B2100/0022—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 made from tubular webs or blanks, including by tube or bottom forming operations
-
- 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
- B31B2120/30—Construction of rigid or semi-rigid containers collapsible; temporarily collapsed during manufacturing
- B31B2120/302—Construction of rigid or semi-rigid containers collapsible; temporarily collapsed during manufacturing collapsible into a flat condition
-
- 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
- B31B50/02—Feeding or positioning sheets, blanks or webs
- B31B50/04—Feeding sheets or blanks
- B31B50/042—Feeding sheets or blanks using rolls, belts or chains
-
- 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
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/06—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
- B65B11/08—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path
- B65B11/10—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path to fold the wrappers in tubular form about contents
- B65B11/105—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path to fold the wrappers in tubular form about contents the axis of the tube being parallel to the conveying direction
Definitions
- the present invention falls within the field of forming by folding cardboard sheets with a view to forming containers, in order to condition at least one product therein, but preferably several products.
- the term “product” encompasses an individual object.
- a product is a container, such as a bottle or a flask, or else a can, or even a cardboard brick.
- Such products can also be grouped, positioned within a cardboard box (or “cluster”) and / or wrapped in a film.
- a product can be made of any type of material, in particular plastic, metal or even glass.
- a product can be rigid or semi-rigid.
- Such a container is intended to contain, in a non-exhaustive manner, a fluid, a liquid, powders or granules, in particular of the food or cosmetic type.
- a product can have any type of shape, symmetrical or not, regular or irregular.
- Such products are obtained along an industrial production line, undergoing several successive treatments passing through dedicated stations, such as, for example, the blowing of a bottle or flask made of plastic material, filling and capping, labeling, or even sterilization or pasteurization.
- dedicated stations such as, for example, the blowing of a bottle or flask made of plastic material, filling and capping, labeling, or even sterilization or pasteurization.
- the finished products are packaged in groups in batches, the products being held together by a plastic film, in particular shrunk through a bundling operation, or else inside containers.
- Such containers can be in the form of cardboard boxes or “cartons” for packaging products.
- Such cartons have a rectangular parallelepiped shape, with an internal volume capable of receiving a group of products, staggered but preferably arranged in a matrix in columns and rows, or even several groups of superimposed products.
- FIG. 1 showing an elevational view of an example of a cardboard plate 100, appearing flat, it comprises a bottom 101, intended to receive the products on its upper face, which will be positioned internally once the container formed.
- the cardboard plate 100 On either side of said bottom 101, along its longitudinal edges, the cardboard plate 100 comprises two side walls, namely a left side wall 102 and a right side wall 103.
- the cardboard plate 100 further comprises a cover 104, along a longitudinal edge of one of the side walls, such as for example the right side wall 103. Along an opposite longitudinal edge of the other side wall, respectively the side wall.
- the cardboard plate 100 comprises a tongue 105.
- the tongue 105 can be fixed on the cover 104, on the side opposite to the longitudinal edge of junction with said one of the side walls; said tab 105 is then commonly called “outer tab”.
- the cardboard plate 100 comprises flaps, at least four in number, on the one hand, vertical flaps 106 connected to the side walls along their transverse edges and, on the other hand, horizontal flaps 107 connected. at the bottom 101 and at the cover 104 along their transverse edges.
- FIG. 2 showing a perspective view of the plate of Figure 1 during its folding
- the tongue 105 is folded orthogonally, with a deposit of glue which is carried out on its outer face, while the cover is folded down until it comes into contact with said outer face of the tongue 105 and the glue deposited, as visible in FIG. 3, then delimiting the internal volume of the container 1 in the form of a cardboard box.
- the cover 104 is first folded, then the outer tab is folded over the adjacent side wall previously glued.
- the vertical flaps 106 are folded orthogonally, with a deposit of glue on the outside face, then the horizontal flaps 107 are folded down until they come into contact with the corresponding vertical flaps 106 and glue deposited.
- the cardboard box 1 is then formed and fully closed, as shown in Figure 5.
- the forming by folding of the cardboard plate 100 is generally carried out with products already previously grouped and positioned on the upper face of the bottom 101. The folding is therefore carried out around the products which will be enclosed in the container 1 thus obtained by folding. of the 100 cardboard plate.
- This packing operation is commonly called “wrap” (for “packaging” in English).
- the forming of such a container 1 from a plate 100 can be carried out sequentially, step by step, with the plate 100 stopped at each step.
- the forming is preferably carried out by continuous, with the plate 100 circulating on through conveyors different stations dedicated to the successive stages of folding the different parts of said plate 100, namely first the simultaneous folding of the left 102 and right 103 side walls, then the folding of the tongue 105 occurring at the same time as the cover 104 is folded down to form the volume of the future container 1, then the folding of the vertical flaps 106, followed by the folding of the horizontal flaps 107.
- the invention relates very particularly to continuous forming by folding a cardboard plate with a view to forming a container; specifically the folding of the vertical flaps of such a cardboard plate.
- Such a folding operation is performed by a forming device comprising several successive stations dedicated to each of the aforementioned folding steps.
- At least one conveyor transports each cardboard plate on the upper face, in a direction of movement, from upstream to downstream, through the various modules, to at least one output conveyor.
- the forming device comprises means for folding the tongue and means for folding the cover, acting synchronously with the movement of the body, in order to first fold the tongue and then come and fold the cover over.
- the end of the folding of the tongue can be effected by the end of the folding of the cover. In fact, these operations are carried out almost simultaneously.
- the means for folding the tongue is located on one side of the device, while the means for folding the cover are located on the opposite side, namely on the right or on the left depending on the configuration of the plate.
- the folding and folding means extend in the same zone with a view to carrying out these treatments almost simultaneously.
- a known forming device comprises folding and folding means in the form of rails fixed to the structure of the forming device.
- Such rails have a curved profile, substantially helical, extending vertically at an upstream end to a horizontal downstream end.
- Such a solution has a drawback, due to the stresses applied to the tongue and the movable cover against the fixed rails, inducing twists during the folding and the folding back from the downstream part to the upstream part of the plate during its movement. Such twists are liable to shift the final positioning of the tongue and / or of the cover covering the tongue, modifying the squareness of the container formed.
- an optimal shape, rectangular parallelepiped, respecting the orthogonality of the walls is important and must be optimal, on the one hand, for the aesthetic aspect and the good packaging of the products, but especially on the other hand, when several containers must be stacked, especially on pallets.
- a deformation of a single box is likely to unbalance a stack of containers, making their handling precarious and dangerous for operators.
- a forming device has therefore been devised comprising folding means and folding means in the form of horizontal pushers, the deployment of which takes place transversely, the end of each pushbutton coming to rest, on one side, against the tongue and, on the opposite side, against the cover, with an offset respectively relative to each other according to the direction of movement of the container, in order to ensure the first folding of the tongue, then to fold the cover.
- a push-forming reduces torsions, it still poses the drawback of applying a support force extending transversely and horizontally with respect to the longitudinal movement facing the plate, which can induce a force of longitudinal friction liable to deform the body.
- a known alternative described in document US Pat. No. 2,734,324 aims to mount a pusher plate on a movable carriage in the direction of movement of the body, to accompany the movement of the part to be folded at the time of the lateral thrust performed.
- a carriage makes successive round trips between the boxes to be formed, inducing a reduction in the rate of conveying said boxes by increasing the spacing between two successive boxes, in order to allow time for the carriage to return to the initial position. after moving downstream.
- such a back-and-forth movement greatly demands the mechanics and motorization of such a carriage, generating jolts at the end of the stroke, all the more violent as the movement speed is high in order to follow. the rate of conveying the boxes to be formed.
- the object of the invention is to alleviate the drawbacks of the state of the art by proposing a folding of the cover carried out by accompanying the movement of the plate, by using a thrust surface provided to move on a fixed support with respect to the trajectory of the plate. displacement of the box to be formed.
- the invention also provides for folding accompanied by the tongue.
- the invention relates to a forming device of which at least the cover folding means have a movable contact surface according to the direction of movement of the plate.
- folding means extend longitudinally, applying a distributed force bearing in contact with part of the length of the cover.
- the device for forming by folding a cardboard plate comprising at least one cover and in particular a tongue, comprising at least:
- Such a forming device is characterized in that
- bearing surface comprising at least one endless belt motorized in said direction of movement.
- the moving surface in the form of a belt driven at the speed of movement of the body makes it possible to follow its movement without inducing a collision (shock) or deformation at the time of contact and pressure to effect the folding, while avoiding harmful back and forth movements.
- said folding means can comprise:
- Said bearing surface may comprise a plurality of motorized wheels in said direction of movement.
- the forming device may comprise at least one controller controlling, in a synchronized manner, at least the actuation of the movement of said bearing surface and of its mobility in said direction of movement, relative to the drive of said conveyor (3).
- Said folding means may comprise a fixed structure, said bearing surface being mounted to pivot in an angular rotation from said initial at least vertical position to said deployed position, and vice versa.
- the forming device may comprise means for folding said tongue provided with a wheel with a bearing periphery following a bending path of said tongue, when said wheel is actuated in controlled angular rotation.
- Said bearing periphery may have a spiral curve.
- Figure 1 schematically shows an elevational view of an example of a cardboard plate
- FIG. 2 schematically represents a perspective view of said cardboard plate of FIG. 1, after a first step of folding the side walls;
- FIG. 3 schematically represents a perspective view of said cardboard plate of FIG. 1, after a second step of folding the cover onto the tongue;
- FIG. 4 schematically represents a perspective view of said cardboard plate of FIG. 1, after folding of the vertical flaps;
- Figure 5 schematically shows a perspective view of said cardboard plate of Figure 1, after folding the horizontal flaps, said box then being formed;
- FIG. 6 schematically represents a perspective view of a forming device according to one embodiment, showing in particular the conveying of two partially formed plates before and after folding the tongue and then folding the cover;
- Figure 7 schematically shows an elevational view of the forming device of Figure 6;
- FIG. 8 schematically represents a view in vertical section of the forming device of FIG. 7, showing in particular a first feed position of a partially formed plate with a tongue and a cover before folding;
- FIG. 9 schematically represents a view similar to FIG. 8, in a second position of folding of the tongue and of the start of folding down of the cover;
- FIG. 10 schematically represents a view similar to FIG. 9, in a third position after complete folding of the tongue and at the end of the folding of the cover;
- Figure 12 schematically shows a view similar to Figure 10, in a fourth position of the folded cover.
- the term “plate” includes the cardboard plate in the form of a flat blank, but also throughout the folding steps when the box is partially formed, up to get a fully formed container 1.
- the term “container” corresponds to a fully formed cardboard box, namely after folding of its horizontal flaps.
- the present invention relates to the forming of container 1 by folding a cardboard plate 100.
- a container 1 can be in the form of a cardboard box as shown in FIG. 5.
- a container 1 is intended for packaging products.
- a container 1 has a rectangular parallelepiped shape, with an internal volume capable of receiving a group of products, staggered but preferably arranged in a matrix in columns and rows, or even several groups of superimposed products.
- a product is an individual object of the container type, such as a bottle or a flask, or else a can, or even a cardboard box.
- Several products can also be grouped, positioned within a cardboard box (or “cluster”) and / or wrapped in a film.
- a product can be in any type of material, in particular in plastic, metal or glass.
- a product can be rigid or semi-rigid.
- Such a container is intended to contain, in a non-exhaustive manner, a fluid, a liquid, powders or granules, in particular of the food or cosmetic type.
- a product can have any type of shape, symmetrical or not, regular or irregular.
- containers 1 As mentioned above, the automated production of containers 1 is carried out by folding from 100 cardboard plates previously pre-cut and preformed, also called “cuts”.
- the invention relates very particularly to a container 1 forming, in particular continuously, by folding a cardboard plate 100. Such continuous forming is carried out by circulating a cardboard plate 100 along an installation dedicated to packaging products.
- Such an installation comprises several successive stations, intervening for the folding of the different parts of each plate 100, by synchronously following its movement, until a corresponding container 1 is obtained.
- One or more stations of the installation can be or form part of a device 2 for forming the container 1 by folding a cardboard plate 100 according to the invention.
- a forming device 2 is dedicated to the folding of the tongue 105 taking place approximately at the same time or before the folding of the cover 104 of said plate 100.
- said plate 100 comprises at least one tongue 105 and a cover 104.
- the forming device 2 or else a station located upstream can ensure the folding of other parts of the plate 100, such as the simultaneous folding of the left 102 and right 103 side walls, then said device 2 or else another station. located downstream can ensure the folding of the vertical flaps 106 followed by the folding of the horizontal flaps 107.
- the folding of the tongue 105 and the folding of the cover 104 can be carried out before, during or after the folding of the side walls 102,103.
- a station ensures the supply of products, preferably grouped, as well as 100 cardboard plates flat. Such a feeding station comes in particular to deposit the products on the upper face of the bottom 101 of each plate 100.
- the forming device 2 comprises at least one conveyor 3.
- the latter extends substantially horizontally, receiving each plate 100 on the upper face. It can be of any type, preferably with an endless belt.
- said endless belt can be in the form of a belt, be chain (s) or belt (s). Said conveyor 3 therefore drives said plate 100 in said direction of movement, as well as the products thus transported on plate 100.
- This conveyor 3 can extend over all or part of the installation, in particular from the supply station.
- the forming device 2 comprises means 4 for folding said tongue 105.
- the forming device 2 comprises means 5 for folding back said cover 104.
- such a forming device 2 can only comprise folding means 5, without necessarily folding means 4, in particular in the case where a plate 100 does not have a tongue 105.
- said tongue 105 integral with the side wall opposite the cover 104, can be folded just before the cover 104 is folded down, or else the cover 104 is folded down and then the tongue 105, also called “outer tab” integral with the latter, is folded to cover the corresponding side wall.
- the folding means 5 fold the cover 104 to cover the tongue 105 at least partially folded beforehand.
- the folding means 4 can be positioned upstream or downstream with respect to the folding means 5, so that the folding of the tongue 105 occurs first or after the folding of the cover 104.
- the folding of the tongue 105 can occur simultaneously or almost simultaneously during the folding of the cover 104. Indeed, the folding of the cover 104 can begin just after the start. the folding of the tongue 105, so that at the end of the folding, said cover 104 comes to finish the folding by pressing on said tongue 105.
- the folding means 4 are located on one side, while the folding means 5 are located on the other side, relative to the conveyor 3. According to the embodiment shown in FIG. Figure 6, the folding means 4 are on the left side and the folding means 5 on the right side, depending on the direction of movement of the plate 100, but the reverse is also possible depending on the position of the cover 104 relative to direction of travel. The folding means 4 and the folding means 5 are therefore located on either side of the plate 100 to be treated.
- the folding means 4 and the folding means 5 are located in the same longitudinal zone during which the operations of folding the tongue 105 and the folding of the cover 104 are carried out, offering two symmetrical thrusts on either side. of the plate when applying the forces necessary to bend said tongue 105 and fold down the cover 104, limiting the risks of deformation.
- the folding means 4 they can be of any type, such as for example a horizontal transverse pusher or a cam.
- said folding means 4 comprise a wheel 40 with a bearing periphery following a folding path of said tongue 105, when said wheel 40 is actuated in controlled angular rotation.
- the shape of the wheel 40 is determined so that its periphery bears against the outside of the tongue 105 and that the rotation of the wheel 40 induces a path allowing the folding of the tongue 105 into it. pushing back inward.
- the periphery of the wheel 40 may have an increasing radius with respect to the reverse direction of rotation: the peripheral edge then moves away from the center of rotation of the wheel 40, making it possible to push from the outside towards inside the tongue 105 against which the periphery rolls.
- the rotation of the wheel 40 is controlled with regard to its periphery, so as to roll on the surface of the tongue 105, said tongue 105 being pushed back as the plate 100 advances and as the plate 100 rotates. said wheel 40. Therefore, it is necessary to synchronize the speed of rotation of the wheel 40 relative to the drive speed of the plate 100 by the conveyor 3. This speed of rotation therefore also depends on the periphery of said wheel 40.
- a suitable controller not shown.
- the speed of each point of the periphery is substantially equal to the speed of movement of the plate 100, so as to keep reducing any force interfering with said longitudinal movement of said plate 100.
- the speed of rotation of the wheel 40 can be fixed or variable, whether it is at the time of folding, or whether it is after folding of a tongue 105 of a first plate 100 and before folding of the tongue of the plate 100. next.
- the wheel 40 can be accelerated or decelerated at any time, in particular to reposition it angularly between two successive plates 100, or also to keep a constant peripheral speed.
- the wheel 40 is mounted on a shaft 41 driven in rotation by a suitable motorization.
- said bearing periphery of the wheel 40 has a spiral curve.
- the wheel 40 generally has a spiral shape, resembling a snail.
- the spiral wheel 40 may include a hook 42.
- the hook 42 coincides with the end of the bending path of the tongue 105 by the wheel 40.
- the periphery of the wheel 40 is not in contact with the tongue 105. From the hook 42, the periphery of the wheel 40 moves away from the center of rotation and comes into contact with the outside of the tongue 105 and rolls pushing it towards the inside, scrolling from said periphery until it arrives again at said unhooked 42
- the folding means 4 provided with a wheel 40 make it possible to bend the tongue 105 while accompanying the movement of the plate 100, limiting the risks of deformation or bad folding during this operation.
- they comprise at least one bearing surface 50 with said cover 104.
- said bearing surface 50 is actuated in a movement from an initial position to a folded-out position of said cover 104, and vice versa.
- the surface 50 is movable to come into contact with and push the cover 104 from the outside until it is completely folded down, namely at a right angle.
- the folding movement takes place essentially transversely, namely with at least one component extending horizontally or substantially horizontally, with respect to the direction of movement of the plate. 100 by conveyor 3.
- the surface 50 of the folding means 5 is retracted and does not interfere with the movement of the plate 100.
- the surface 50 extends angularly on the exterior or opposite side. the conveyor, at most along a plane containing the cover 104 before folding.
- the surface 50 extends at least vertically or substantially vertically, as visible in cross section in FIG. 8.
- the orientation of the surface 50 can be adapted accordingly.
- said folding means 5 comprise a fixed structure 51.
- a structure 51 therefore serves as a frame and can be attached to the ground or mounted on an element of the forming device 2, such as for example on the fixed part of the conveyor 3.
- said bearing surface 50 is movably mounted on structure 51.
- surface 50 is mounted to pivot relative to said structure 51 according to an angular rotation from said position. initial to said deployed position, and vice versa.
- the surface 50 is integral with a support 52 which rotates relative to the structure 51.
- the surface 50 is therefore tiltable, preferably along an angular travel of at least 90 degrees (90 °).
- the support 52 can be mounted in rotation about at least one axis 53. As mentioned above, said initial position is at least vertical.
- the folding means 5 can apply pressure against the folded cover 104, finally to keep it at least temporarily in place.
- said surface 50 is mounted in translation, namely transversely, in particular horizontally or substantially horizontally, with respect to the structure 51.
- said surface 50 pushes the cover 104, until reaching the deployed position in which said cover 104 is found folded down, as can be seen in particular in FIG. 11.
- the invention provides for the cover 104 to be folded down while accompanying the longitudinal movement of the plate 100.
- the cover 104 is folded down in synchronization with the advancement of the plate 100.
- said bearing surface 50 is movable in said direction of movement.
- the surface 50 is also mobile along a longitudinal component.
- said bearing surface 50 comprises at least one endless belt 500 motorized in said direction of movement.
- such a belt 500 then extends longitudinally over a distance and moves at a speed as a function of the driving speed of the plate 100, to come into contact with the surface of the cover 104 without generating any friction liable to cause damage. slow down the plate 100.
- the movement of the belt 500 therefore accompanies the cover 104 during its movement by the conveyor 3.
- the surface 50 moves relative to its support 52.
- the means 5 of folding include gears or pulleys 501 on which are mounted said belt 500. The gears 501 are then mounted on the support 52.
- the folding means 5 comprise, internally between said pinions 501, along the surface 50, a guide 502 for supporting said belt 500.
- a guide 502 makes it possible to stiffen the belt 500 from the inside between the pinions 501, opposite the side coming to bear, avoiding any deformation in bending and ensuring perfect linearity of the surface 50 resting against the outer face of the cover 104.
- said bearing surface 50 comprises a plurality of motorized wheels in said direction of movement. In the corresponding embodiment, the wheels can then be mounted on the support 52 and all rotated at identical speeds.
- a suitable motorization allows the driving of the surface 50, in particular when it is in the form of the belt 500, by means of the drive in rotation of the pinions 501, or else in the form of motorized wheels.
- a motorization can be on-board, in particular within the support 52, but it is preferably carried out by servo-control with another motorization, such as that of the conveyor 3 or of any other element of the forming device 2. This control can be carried out by means of a suitable mechanical transmission.
- the forming device comprises at least one controller controlling in a synchronized manner, at least the actuation of the movement of said bearing surface 50 and of its mobility in said direction of movement, with respect to the drive of said conveyor 3.
- the controller therefore makes it possible to manage, on the one hand, the rotational displacement of the support 52 of the surface 50, but also the drive speed of its belt 500, relative to the forward speed of the plate 100 to be treated.
- such a control can also manage the driving speed of the folding means 4, in particular the speed of rotation of the wheel 40, as a function of the displacement of the plate 100.
- Such a controller can conventionally include computer means and / or automatic means necessary for its operation and for its configuration by an operator.
- the forming device 2 may comprise means for maintaining the cover 104 in the folded position.
- Such holding means extend upstream from the folding means 5, from a location where the cover 104 has been folded down.
- the retaining means make it possible to continue to apply the pressure once the plate 100 has been released from the folding means 5.
- Such holding means may be in the form of an upper belt extending horizontally, at a height corresponding to that of the plate 100 or of the container 1 to be formed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
- Closing Of Containers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1911235A FR3101858B1 (fr) | 2019-10-10 | 2019-10-10 | Dispositif et procédé de formage de conteneur par pliage |
PCT/EP2020/078364 WO2021069637A1 (fr) | 2019-10-10 | 2020-10-09 | Dispositif et procede de formage de conteneur par pliage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4041539A1 true EP4041539A1 (fr) | 2022-08-17 |
EP4041539B1 EP4041539B1 (fr) | 2024-01-03 |
Family
ID=69104749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20792565.2A Active EP4041539B1 (fr) | 2019-10-10 | 2020-10-09 | Dispositif et procede de formage de conteneur par pliage |
Country Status (7)
Country | Link |
---|---|
US (1) | US20240116261A1 (fr) |
EP (1) | EP4041539B1 (fr) |
CN (1) | CN114466798B (fr) |
FR (1) | FR3101858B1 (fr) |
HU (1) | HUE065854T2 (fr) |
PL (1) | PL4041539T3 (fr) |
WO (1) | WO2021069637A1 (fr) |
Family Cites Families (37)
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US2734324A (en) * | 1956-02-14 | chandler | ||
US2993319A (en) * | 1958-11-28 | 1961-07-25 | Rene J Ganbert | Carton sealing machine |
US3354606A (en) * | 1961-11-06 | 1967-11-28 | Gen Corrugated Machinery Co In | Apparatus for automatically sealing cartons |
FR1393541A (fr) * | 1964-02-13 | 1965-03-26 | Machine perfectionnée pour la fermeture de caisses en carton | |
US3253389A (en) * | 1963-06-04 | 1966-05-31 | Gen Corrugated Machinery Co In | Apparatus for automatically sealing cases whose inner flaps are unsupported by the product |
US3371585A (en) * | 1963-10-14 | 1968-03-05 | Langston Company | Glued flap box folding machine |
US3383990A (en) * | 1966-01-17 | 1968-05-21 | Boise Cascade Corp | Box forming apparatus |
US3623293A (en) * | 1966-12-08 | 1971-11-30 | Textron Inc | Carton flap closing mechanism |
US3535987A (en) * | 1968-06-06 | 1970-10-27 | Fibreboard Corp | Apparatus and method for forming cartons |
FR2171467A5 (fr) * | 1972-02-01 | 1973-09-21 | Giraudet Cartonnages Sa | |
US4044658A (en) * | 1976-04-01 | 1977-08-30 | Union Camp Corporation | Apparatus for folding panels of carton blank |
US4215525A (en) * | 1978-05-16 | 1980-08-05 | Johns-Nigrelli-Johns | Tray forming machine |
FR2520665B1 (fr) * | 1982-02-04 | 1987-12-24 | Martin Sa | Machine de pliage de plaques |
US4432745A (en) * | 1982-05-06 | 1984-02-21 | Paxall, Inc. | Trailing edge folder |
US4759741A (en) * | 1986-10-08 | 1988-07-26 | Specialty Equipment Corporation | Vari-gap drive system for box folders and the like |
US5092827A (en) * | 1989-09-28 | 1992-03-03 | International Paper Box Machine Co., Inc. | Apparatus for folding paper boxes |
FI92670C (fi) * | 1993-06-14 | 1994-12-27 | Pussikeskus Oy | Pakkauskone kirjojen tai vastaavien pakkaamiseksi |
DE4439198A1 (de) * | 1994-11-06 | 1996-05-09 | Klett Alfred | Vorrichtung zur Bearbeitung eines entlang eines Förderwegs mit vorgegebener Fördergeschwindigkeit geförderten Zuschnitts |
DE19618177A1 (de) * | 1996-05-07 | 1997-11-13 | Mohrbach Maschinenfabrik Gmbh | Vorrichtung zum Fertigen einer Faltschachtel mit einstückig angelenktem Klappdeckel |
US5827162A (en) * | 1997-01-02 | 1998-10-27 | The Langston Corporation | Folder/gluer machine for paperboard blanks |
ITBO20010057A1 (it) * | 2001-02-05 | 2002-08-05 | Baumer Srl | Metodo e sistema per chiudere i lembi delle testate di un imballo a manicotto |
ITBO20010202A1 (it) * | 2001-04-04 | 2002-10-04 | Gd Spa | Unita' per il condizionamento di prodotti |
US6910314B2 (en) * | 2002-12-30 | 2005-06-28 | Tuan Vinh Le | Random automatic case sealer |
US7278248B2 (en) * | 2002-12-30 | 2007-10-09 | Tuan Vinh Le | Case sealer with moving flap closers |
US20050101465A1 (en) * | 2003-11-10 | 2005-05-12 | Illinois Tool Works Inc. | Apparatus and method for erecting tote containers |
US8529421B2 (en) * | 2010-01-19 | 2013-09-10 | Richard J. Fallas | Package flap folding method and apparatus |
CN202491931U (zh) * | 2012-01-20 | 2012-10-17 | 杭州永创智能设备股份有限公司 | 一种包装箱自动折盖成型机 |
US20150141229A1 (en) * | 2013-11-21 | 2015-05-21 | Meadwestvaco Packaging Systems, Llc | Systems and methods for erecting a carton |
PL2923959T3 (pl) * | 2014-03-25 | 2017-03-31 | Tetra Laval Holdings & Finance S.A. | Jednostka składająca do wytwarzania opakowań produktów spożywczych nadających się do nalewania do tuby materiału opakowaniowego, ze szczelnie spajanych paczek |
DE102014107031A1 (de) * | 2014-05-19 | 2015-11-19 | Kama Gmbh | Faltstation und Faltschachtelklebemaschine |
EP3164262B1 (fr) * | 2014-07-02 | 2019-02-13 | Berg Industries AB | Agencement de pliage, machine de pliage comprenant ledit agencement de pliage, et procédé de pliage à l'aide dudit agencement de pliage |
DE102015219238A1 (de) * | 2015-10-06 | 2017-04-06 | Wilhelm B a h m ü l l e r Maschinenbau Präzisionswerkzeuge GmbH | Faltriemen für eine Vorrichtung zum Falten von Faltschachtelzuschnitten |
JP6832133B2 (ja) * | 2016-11-08 | 2021-02-24 | 三菱重工機械システム株式会社 | シート折り畳み装置及び方法並びに製函機 |
EP3388354A1 (fr) * | 2017-04-13 | 2018-10-17 | DS Smith Plc | Boîte fabriquée à partir de deux flans, flan, ensemble de flans, procédés de formation de ceux-ci, procédé et machine pour emballer des produits dans une boîte |
CN109094835A (zh) * | 2018-05-29 | 2018-12-28 | 东莞市联洲知识产权运营管理有限公司 | 一种包装纸盒半自动扣盖设备 |
CN208813624U (zh) * | 2018-09-30 | 2019-05-03 | 深圳创维-Rgb电子有限公司 | 一种纸箱摇盖折叠装置及封箱机 |
DE102019120788A1 (de) * | 2019-08-01 | 2021-02-04 | Khs Gmbh | Vorrichtung sowie Verfahren für die Herstellung von Gebinden aus Einzelpackungen |
-
2019
- 2019-10-10 FR FR1911235A patent/FR3101858B1/fr active Active
-
2020
- 2020-10-09 EP EP20792565.2A patent/EP4041539B1/fr active Active
- 2020-10-09 PL PL20792565.2T patent/PL4041539T3/pl unknown
- 2020-10-09 US US17/767,708 patent/US20240116261A1/en active Pending
- 2020-10-09 CN CN202080068006.6A patent/CN114466798B/zh active Active
- 2020-10-09 WO PCT/EP2020/078364 patent/WO2021069637A1/fr active Application Filing
- 2020-10-09 HU HUE20792565A patent/HUE065854T2/hu unknown
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Publication number | Publication date |
---|---|
US20240116261A1 (en) | 2024-04-11 |
PL4041539T3 (pl) | 2024-06-10 |
FR3101858B1 (fr) | 2021-10-29 |
FR3101858A1 (fr) | 2021-04-16 |
WO2021069637A1 (fr) | 2021-04-15 |
EP4041539B1 (fr) | 2024-01-03 |
CN114466798A (zh) | 2022-05-10 |
CN114466798B (zh) | 2023-12-08 |
HUE065854T2 (hu) | 2024-06-28 |
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