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EP2964434B1 - Arrangement for cutting and ejecting waste, unit and machine provided with the same - Google Patents

Arrangement for cutting and ejecting waste, unit and machine provided with the same Download PDF

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Publication number
EP2964434B1
EP2964434B1 EP14709547.5A EP14709547A EP2964434B1 EP 2964434 B1 EP2964434 B1 EP 2964434B1 EP 14709547 A EP14709547 A EP 14709547A EP 2964434 B1 EP2964434 B1 EP 2964434B1
Authority
EP
European Patent Office
Prior art keywords
tool
arrangement
waste
cutting
ejector
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.)
Not-in-force
Application number
EP14709547.5A
Other languages
German (de)
French (fr)
Other versions
EP2964434A1 (en
Inventor
Sylvain Bapst
Guillaume DÉNISSE
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.)
Bobst Mex SA
Original Assignee
Bobst Mex SA
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 Bobst Mex SA filed Critical Bobst Mex SA
Priority to EP14709547.5A priority Critical patent/EP2964434B1/en
Publication of EP2964434A1 publication Critical patent/EP2964434A1/en
Application granted granted Critical
Publication of EP2964434B1 publication Critical patent/EP2964434B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1836—Means for removing cut-out material or waste by pulling out
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/384—Cutting-out; Stamping-out using rotating drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D2007/1809—Means for removing cut-out material or waste by stripping fingers

Definitions

  • the present invention relates to an arrangement for cutting and ejecting waste for a flat support, provided with two cylindrical tools, in a packaging production machine.
  • the invention also relates to a cutting and waste ejection cassette, comprising an arrangement for cutting and ejecting waste.
  • the invention relates to a processing unit for a flat support, equipped with a cassette for cutting and ejecting waste.
  • the invention relates to a processing unit for a plane support, comprising an arrangement for cutting and ejecting waste.
  • the invention also relates to a packaging production machine from a flat support, comprising at least one processing unit for the plane support.
  • a packaging production machine is intended for the manufacture of boxes, which form packaging, after folding and gluing.
  • an initial planar support such as a continuous strip of cardboard, is unwound and is printed by a printing unit, consisting of printing units. The strip is then transferred to a processing unit to make plate elements, in this case boxes.
  • the processing unit comprises at least one transformation arrangement provided with two rotary cylindrical tools positioned parallel to each other, so as to cooperate with each other.
  • the band moves between the two tools, to be transformed. Both tools rotate in opposite directions.
  • the first tool is rotatably mounted in a first and a second bearing.
  • the second tool is rotatably mounted in a third and a fourth bearing. Clamps are provided to firmly hold the first and third bearings, as well as the second and fourth bearings.
  • the transformation arrangement is most often provided to form a cassette.
  • the cassette is slidably inserted into each of the side frames of the unit.
  • the cassette allows a quick change of the tools, depending on the transformations of the support to be made.
  • the packaging manufacturer has at least two cassettes. A first cassette is in the machine being produced and is adapted according to the transformation work in progress. Meanwhile, a second cassette is being assembled and adjusted to be adapted function of the next transformation job. When changing the job, the operator takes out the old cassette and inserts the new cassette, minimizing machine downtime.
  • one of the arrangements or one of the cassettes is a rotating cutting and waste ejection arrangement or a rotating cutting and waste ejection cassette.
  • the cardboard poses have areas of cardboard waste that are cut, then immediately separated and eliminated, so that the boxes can be created.
  • the cutting and ejecting arrangement ensures a controlled, precise and fast ejection of the waste.
  • the precise operation of the cutting and ejecting arrangement eliminates all waste and prevents jams.
  • the cutting and ejecting arrangement comprises two tools, in the form of two rotating cylinders, positioned parallel to one another, so as to cooperate with each other.
  • the band consisting of poses, circulates between the two tools along a path tangential to these tools.
  • the first of these cylindrical tools has needles inserted radially in its surface.
  • the needles are placed at precise locations corresponding to the layout of the pose, and so as to stitch each waste.
  • the needles separate the waste from the laying and so the band, by driving them on a circular path with the rotation of the first needle tool, while the band away from this tool.
  • the second of these cylindrical tools ensures both the cutting and the transport of the poses and their maintenance during the stitching of the waste.
  • the second tool is equipped with knives. Radial holes are drilled in the metal surface of the second tool, apart from the knives. The position of the holes corresponds to that of the needles of the first tool. The latter are lodged in the holes during the rotation of the two tools, so as to sting and pierce the waste.
  • Some pads of a flexible material, for example foam, are arranged between the knives and outside the holes. These buffers are used to pull the tape with its boxes.
  • the combs are placed laterally relative to each other, so that one of their slots coincides with the lateral position and thus with the circular path of one of the needles on the first tool, for the purpose of avoid any collision between needles and combs.
  • the waste cut by the second tool is caught by the combs and is torn from the needles when the first tool rotates.
  • the needles are released and will sink into other waste during their next passage in the cut area of the next pose.
  • the edge of the comb must be positioned at a very precise distance from the first tool, of the order of a hundredth. If the operator leaves too great a gap between the surface of the cylinder and the edge of the comb, the waste may pass between the comb and the surface. This may first result in deformation of the comb and may also break one or more needles. Damage usually gets worse as the cylinder rotates until the machine stops. If the gap is too small, the comb may degrade and damage the first tool.
  • the combs are fixed to the frame via a guide rail.
  • the cross is itself fixed by means of lower assembly parts including studs and cheeks, reported under the bearings.
  • the layout or cassette is returned to the unit.
  • the arrangement or cassette was laid by its assembly parts during adjustment.
  • the arrangement or the cassette rests in the unit by its upper bearings and more by the assembly parts.
  • the addition of tolerance of the assembly parts then causes a maladjustment of the combs.
  • a main object of the present invention is to develop a waste cutting and ejecting arrangement for a planar support for a processing unit in a packaging production machine.
  • a second objective is to provide a device for cutting and ejecting the rotary tool waste, to obtain an extremely precise adjustment of the gap between one of the needle-carrying tools and the ejectors.
  • a third objective is to avoid adjustment variations of a cutting and ejecting arrangement between the table of setting and processing unit.
  • a fourth objective is to solve the technical problems mentioned for the arrangements of the state of the art.
  • a fifth objective is to provide a cassette comprising an arrangement for cutting and ejection of waste. Another objective is to succeed in inserting a processing unit in a packaging production machine.
  • the invention is defined in claim 1.
  • the ejectors or ejectors are attached directly to the two bearings of the needle-carrying tool, by means of the transverse fastening means.
  • the securing means have few parts and are compact. Due to the fixing directly on the bearings, a very good rigidity is obtained both in static and dynamic. The setting made on the adjustment table remains the same when the layout is found in a machine.
  • the flat support is defined, by way of non-exhaustive example, as being made of a continuous web material, such as paper, flat cardboard, corrugated cardboard, laminated corrugated cardboard, flexible plastic, for example polyethylene ( PE), from polyethylene terephthalate (PET), bioriented polypropylene (BOPP), or other materials.
  • PE polyethylene
  • PET polyethylene terephthalate
  • BOPP bioriented polypropylene
  • a waste cutting and ejecting cassette for a flat support is characterized by comprising a waste cutting and ejecting arrangement for the flat support having one or more of technical features described below and claimed.
  • a processing unit for a flat support is characterized in that it is equipped with a cutting and waste ejection cassette for the flat support, this cassette being provided with an arrangement of cutting and ejecting waste for flat support, having one or more of the technical characteristics described below and claimed.
  • a processing unit for a flat support is characterized in that it comprises a waste cutting and ejection arrangement for the flat support, having one or more of the technical characteristics described above. below and claimed.
  • a packaging production machine from a flat support is characterized in that it comprises at least one processing unit for the flat support, having one or more of the features techniques described below and claimed.
  • a packaging production machine processes a material or planar support, which in this case is a continuous web support, for example flat cardboard.
  • the machine comprises a processing unit of a support 1 to transform the strip 2.
  • the direction of advance or scroll (arrow F in Figure 1 ) of the strip 2 and the strip transformed in the longitudinal direction indicates the upstream direction and the downstream direction in the unit 1.
  • the front and rear positions are defined with respect to the transverse direction, respectively being the driver or operator side and the opposite driver or operator side.
  • the machine may have a tape drive, units such as printer units, print quality and printing control means, web guiding, and the like, which are positioned upstream of the printer. unit 1.
  • the processing unit 1 is a unit for embossing, crushing, cutting and ejecting waste.
  • the band 2 arrives in the unit 1 by its transverse side upstream, with a constant speed.
  • An introductory group comprising drive rollers and return rollers for the web 2 is provided at the input of the unit 1.
  • the unit 1 transforms the web 2, successively by embossing it, cutting it, and ejecting waste.
  • the unit 1 delivers poses or transformed boxes 3, being therefore in cardboard embossed, reprocessed, cut, and without waste.
  • the boxes 3 leave the unit 1 by its transverse side downstream, with the same constant speed.
  • the boxes 3 made in the unit 1 are then separated laterally and longitudinally from one another in a separation station and then received in a receiving station (not shown).
  • the unit 1 firstly comprises a first embossing arrangement 4, arranged upstream, ie at the input of this unit 1.
  • the embossing arrangement 4 is equipped with an upper embossing rotary tool 6 and an embossing device 4. lower embossing rotary tool 7.
  • an embossing cassette 8 comprises the embossing arrangement 4.
  • the unit 1 comprises a second arrangement providing the upsetting 9, arranged downstream of the embossing arrangement 4.
  • the upsetting arrangement 9 is equipped with a top rotary tool 11 and a lower rotary tool for upsetting 12.
  • an upsetting cassette 13 comprises the upsetting arrangement 9.
  • the unit 1 comprises a third arrangement for cutting and ejecting waste 14, disposed downstream of the upsetting arrangement 9, ie at the outlet of this unit 1.
  • the arrangement for cutting and ejecting waste 14 is equipped with a first lower rotational waste ejection tool 16, positioned parallel to a second upper rotary tool for cutting and ejecting waste material.
  • a cassette for cutting and ejecting waste 18 comprises the arrangement for cutting and ejecting waste 14.
  • each of the embossing tools 6 and 7, upsetting 11 and 12, and cutting and ejection of waste 16 and 17 is oriented transversely to the running direction F of the strip 2.
  • the direction of rotation (Rs arrow in Figure 2 ) upper embossing tools 6, upsetting 11, and cutting and ejection of waste 16 is reversed with respect to the direction of rotation (Arrow Ri in Figure 2 ) lower embossing tools 7, upsetting 12, and cutting and ejection waste 17.
  • the embossing cassettes 8, upsetting 13, and cutting and ejection waste 18 are adapted to be introduced into a frame 19 of the unit 1, to be fixed to the frame 19, put into production, then to the inverse, able to be detached from the frame 19, and to be extracted from the frame 19.
  • the unit 1 thus comprises three transverse housings provided in the frame 19 for each of the three cassettes 8, 13 and 18.
  • the cassettes 8, 13 and 18 are introduced vertically, from the top relative to the frame 19 in the transverse housing. Conversely, the cassettes 8, 13 and 18 can be extracted vertically relative to the frame 19, out of their respective transverse housing.
  • the arrangement for cutting and ejecting the waste 14, and thus the waste cutting and ejection cassette 18, comprises (see Figure 2 ) the first cylindrical lower rotary tool 16, which is provided with needles (not shown) inserted radially in its surface.
  • the radial needles all protrude radially over an equal length, their point being directed outwards.
  • the remainder of the circumference of the first tool 16 is smooth.
  • radial needles are appropriately positioned where the cutting of the strip 2 produces waste, depending on the layout of the poses provided in the strip 2. Immediately after cutting, each waste is stitched by a radial needle. The boxes 3 continue their horizontal trajectory F, and the waste is driven in a circular trajectory Ri around the lower tool 16 and is therefore separated from boxes 3.
  • the second cylindrical upper rotary tool 17 is provided with cutting threads (not shown) machined or reported on its circumference according to the configuration of the boxes to be made. Holes (not shown) are drilled corresponding to the needle position of the first tool 16. A few foam pads are glued in areas outside the threads and holes.
  • the band 2 is driven and moves F in the radial gap 20 between the lower tool 16 and the upper tool 17.
  • the lower tool 16 is arranged to cooperate with the upper tool 17 to transform, ie cut and then eject the waste from band 2.
  • the waste cutting and ejection arrangement 14, and thereby the waste cutting and disposing cassette 18, comprises a first lower front bearing 26 and a second lower rear bearing 27 now for rotating the first tool, ie the lower tool 16 by its axis of rotation 28.
  • the cutting and ejecting arrangement 14, and thereby the cutting and ejecting cassette 18, comprises a third upper front bearing 29 and a fourth rear bearing upper 31 now for rotation the second tool, ie the upper tool 17 by its axis of rotation 32.
  • a lower part of each of the third and fourth bearings 29 and 31 has four protuberances 33.
  • the lower part of the bearings 29 and 31 corresponds to the zone located under the axis of rotation 32.
  • Two upstream and downstream protuberances are present on the front face and two upstream and downstream protuberances are present on the rear face.
  • the cutting and waste ejection cassette 18 rests on the frame 19 thanks to the eight protuberances 33, of each of the two upper bearings 29 and 31, when it is inserted into the unit 1.
  • the arrangement for cutting and ejecting the waste 14, and thus the waste ejection cutting cassette comprises drive means for driving in rotation the two tools 16 and 17. These means are formed with a first lower gear 34 for the lower tool 16 fixed at the rear on its axis of rotation 28. This first gear 34 meshes with a second gear 35 for the upper tool 17 fixed at the rear on its axis of rotation 32 When the cassette 18 is inserted into the frame 19, the teeth of the second pinion 35 come into engagement with the teeth of a conjugate pinion of an electric motor driving in rotation.
  • the first lower front bearing 26 of the lower tool 16 is attached to the third front bearing 29 of the upper tool 17, and the second lower rear bearing 27 of the lower tool 16 is attached to the upper upper rear bearing 31 of the upper tool 17, so as to constitute the cutting cassette 18.
  • elements in the form of four tie rods 36 respectively pass through the upper front bearing 29 and the upper rear bearing 31 on either side of the axis of rotation 32 of the upper tool 17.
  • the lower end of each of the four tie rods 36 is threaded and is screwed into a tapping of the lower front bearing 26 and the lower rear bearing 27.
  • Four nuts 37 are respectively screwed on the upper end of the four tie rods 36 and block them by pressing on one side upper upper bearing 29 and upper rear bearing 31.
  • the waste cutting and ejection cassette 18, as well as the embossing cassette 8 and the embossing cassette 13, comprise two gripping tabs 38 each provided at the upper face of the upper front bearing 29 and the upper rear bearing 31.
  • the two tabs 38 are intended to cooperate with lifting means for vertically lifting and transporting the cassette 18, 8 and 13 outside the frame 19.
  • a controlled ejection of the waste is carried out by the arrangement of cutting and ejection of the waste 14, as well as by the cutting cassette and ejection waste 18.
  • the waste stitched by the radial needle is detached from the same needle, so that the latter can extract a new waste at each turn of the lower tool 16.
  • This extraction is done using at least one ejector, in the form of an ejection comb 39 (see Figures 2 to 4 ).
  • the two tools 16 and 17 and the comb 39 are arranged and cooperate with each other to eject the waste from the strip 2.
  • the comb 39 has a slot 41, oriented perpendicular to the front edge 42 of the comb 39, which is parallel to the generatrix of the lower tool 16.
  • This slot 41 is disposed on the circular path described by the radial needle around the axis of rotation 28 of the lower tool 16.
  • the inclination angle of the comb 39, and the length of this slot 41 are provided to allow the passage of the radial needle.
  • the front edge 42 of the comb 39 can thus approach closer to the surface of the lower tool 16, which allows it to engage between the surface and the waste.
  • the arrangement for cutting and ejecting waste 14, and thus the cutting and waste ejection cassette 18, comprises securing means 43 of the ejector, ie of comb 39, fixed transversely. at a lower part, respectively of the first lower front bearing 26 and the second lower rear bearing 27.
  • the lower part of the bearings 26 and 27 corresponds to the zone situated under the axis of rotation 28 of the lower tool 16. Due to the stitching of the waste, the securing means 43 are fixed in the lower part downstream.
  • the arrangement of cutting and ejection of waste 14, and thus the cassette of cutting and ejection of waste 18, can be used with tools 16 and 17 having different diameters corresponding to the length of the poses for the work done.
  • a first tool with a small diameter 16 and a first tool with a larger diameter 16a (in lined lines), with their securing means 43, their comb 39 have been represented in FIG. Figure 4 .
  • the securing means 43 preferably have a position on the first bearing 26 and the third bearing 27, which is chosen so that the distance between the securing means 43 and the first tool 16 and 16a is substantially equivalent regardless of the diameter of the first tool 16 and 16a.
  • the securing means 43 comprise a cross member 44, for example of quadrangular section.
  • the cross member 44 bridges the first bearing 26 and the third bearing 27, which makes it possible to stiffen the two bearings 26 and 27, the arrangement for cutting and ejecting the waste 14, and thus the cutting cassette and the ejection of waste 18.
  • the securing means 43 advantageously comprise a slide.
  • the slide is an integral part of the crossmember 44.
  • the slide allows transverse positioning by sliding (T arrow in Figure 3 ) and a mechanical connection of the ejector, ie the comb 39.
  • the slide has a groove 46 formed in the crosspiece 44.
  • the groove 46 is formed by being oriented substantially outwardly of the waste cutting and ejection arrangement 14, and thus the cutting cassette and ejection 18.
  • the groove 46 opens downstream and downward.
  • the groove 46 is intended for the positioning and the mechanical connection of the ejector, i.e. the comb 39. Due to its orientation, the groove 46 is easily accessible to the operator.
  • the securing means 43 advantageously comprise an adapter 47 providing a mechanical connection of the ejector, ie of the comb 39, so that the ejector, ie the comb 39, has the same angular position, regardless of the diameter of the first tool 16 and 16a.
  • the securing means 43 comprise a slider piece 48 providing a connection with the adapter 47, and cooperating with the groove 46 of the slide.
  • a protective plate (not shown) extending over the entire length of the first tool 16 covers the securing means 43.
  • the plate protects the combs 39, the adapters and their fasteners while channeling the flow of waste.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Details Of Cutting Devices (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Processing Of Solid Wastes (AREA)

Description

La présente invention concerne un agencement de découpe et d'éjection des déchets pour un support plan, muni de deux outils cylindriques, dans une machine de production d'emballages. L'invention se rapporte également à une cassette de découpe et d'éjection des déchets, comprenant un agencement de découpe et d'éjection des déchets. L'invention concerne une unité de transformation pour un support plan, équipée avec une cassette de découpe et d'éjection des déchets. L'invention concerne une unité de transformation pour un support plan, comprenant un agencement de découpe et d'éjection des déchets. L'invention concerne également une machine de production d'emballages à partir d'un support plan, comprenant au moins une unité de transformation pour le support plan.The present invention relates to an arrangement for cutting and ejecting waste for a flat support, provided with two cylindrical tools, in a packaging production machine. The invention also relates to a cutting and waste ejection cassette, comprising an arrangement for cutting and ejecting waste. The invention relates to a processing unit for a flat support, equipped with a cassette for cutting and ejecting waste. The invention relates to a processing unit for a plane support, comprising an arrangement for cutting and ejecting waste. The invention also relates to a packaging production machine from a flat support, comprising at least one processing unit for the plane support.

Une machine de production d'emballages est destinée à la fabrication de boîtes, qui forment des emballages, après pliage et collage. Dans cette machine, un support plan initial, tel qu'une bande continue de carton, est déroulé et est imprimé par une unité d'impression, constituée de groupes imprimeurs. La bande est ensuite transférée dans une unité de transformation, pour confectionner des éléments en plaque, dans ce cas des boîtes.A packaging production machine is intended for the manufacture of boxes, which form packaging, after folding and gluing. In this machine, an initial planar support, such as a continuous strip of cardboard, is unwound and is printed by a printing unit, consisting of printing units. The strip is then transferred to a processing unit to make plate elements, in this case boxes.

L'unité de transformation comprend au moins un agencement de transformation muni de deux outils cylindriques rotatifs positionnés parallèlement l'un par rapport à l'autre, de façon à coopérer entre eux. La bande circule entre les deux outils, pour y être transformée. Les deux outils tournent en sens inverse l'un de l'autre. Le premier outil est monté en rotation dans un premier et un deuxième palier. Et le deuxième outil est monté en rotation dans un troisième et un quatrième palier. Des éléments de serrage sont prévus pour maintenir fermement le premier et le troisième palier, ainsi que le deuxième et le quatrième palier. L'agencement de transformation est le plus souvent prévu de manière à former une cassette. La cassette est insérée par coulissement dans chacun des bâtis latéraux de l'unité.The processing unit comprises at least one transformation arrangement provided with two rotary cylindrical tools positioned parallel to each other, so as to cooperate with each other. The band moves between the two tools, to be transformed. Both tools rotate in opposite directions. The first tool is rotatably mounted in a first and a second bearing. And the second tool is rotatably mounted in a third and a fourth bearing. Clamps are provided to firmly hold the first and third bearings, as well as the second and fourth bearings. The transformation arrangement is most often provided to form a cassette. The cassette is slidably inserted into each of the side frames of the unit.

La cassette permet un changement rapide des outils, en fonction des transformations du support à réaliser. Le fabricant d'emballages possède au minimum deux cassettes. Une première cassette est dans la machine en cours de production et est adaptée en fonction du travail de transformation en cours. Pendant ce temps, une deuxième cassette est en cours de montage et de réglage pour être adaptée en fonction du travail de transformation suivant. Lors du changement de travail, l'opérateur sort l'ancienne cassette et insert la nouvelle cassette, réduisant au minimum le temps d'arrêt de la machine.The cassette allows a quick change of the tools, depending on the transformations of the support to be made. The packaging manufacturer has at least two cassettes. A first cassette is in the machine being produced and is adapted according to the transformation work in progress. Meanwhile, a second cassette is being assembled and adjusted to be adapted function of the next transformation job. When changing the job, the operator takes out the old cassette and inserts the new cassette, minimizing machine downtime.

A titre exemple, l'un des agencements ou l'une des cassettes est un agencement de découpe rotative et d'éjection des déchets ou une cassette de découpe rotative et d'éjection des déchets. Les poses en carton ont des zones de déchets en carton qui sont découpées, puis immédiatement séparées et éliminées, de façon à pouvoir créer les boîtes.For example, one of the arrangements or one of the cassettes is a rotating cutting and waste ejection arrangement or a rotating cutting and waste ejection cassette. The cardboard poses have areas of cardboard waste that are cut, then immediately separated and eliminated, so that the boxes can be created.

L'agencement de découpe et d'éjection assure une éjection contrôlée, précise et rapide des déchets. La précision de fonctionnement de l'agencement de découpe et d'éjection permet d'éliminer tous les déchets et d'éviter les bourrages. L'agencement de découpe et d'éjection comprend deux outils, sous la forme de deux cylindres rotatifs, positionnés parallèlement l'un par rapport à l'autre, de façon à coopérer entre eux. La bande, constituée de poses, circule entre les deux outils en suivant une trajectoire tangentielle à ces outils.The cutting and ejecting arrangement ensures a controlled, precise and fast ejection of the waste. The precise operation of the cutting and ejecting arrangement eliminates all waste and prevents jams. The cutting and ejecting arrangement comprises two tools, in the form of two rotating cylinders, positioned parallel to one another, so as to cooperate with each other. The band, consisting of poses, circulates between the two tools along a path tangential to these tools.

Comme cela est par exemple décrit dans le document EP-1'057'596 , le premier de ces outils cylindriques comporte des aiguilles insérées radialement dans sa surface. Les aiguilles sont placées à des emplacements précis correspondant au layout de la pose, et de façon à piquer chaque déchet. Les aiguilles séparent les déchets de la pose et ainsi de la bande, en les entraînant sur une trajectoire circulaire avec la rotation de ce premier outil à aiguilles, alors que la bande s'éloigne de cet outil.As is for example described in the document EP-1'057'596 , the first of these cylindrical tools has needles inserted radially in its surface. The needles are placed at precise locations corresponding to the layout of the pose, and so as to stitch each waste. The needles separate the waste from the laying and so the band, by driving them on a circular path with the rotation of the first needle tool, while the band away from this tool.

Le deuxième de ces outils cylindriques assure à la fois la découpe et le transport des poses et leur maintien lors du piquage du déchet. Le deuxième outil est muni de couteaux. Des trous radiaux sont percés dans la surface métallique du deuxième outil, en dehors des couteaux. La position des trous correspond à celle des aiguilles du premier outil. Ces dernières viennent se loger dans les trous lors de la rotation des deux outils, de façon à bien piquer et transpercer les déchets. Quelques tampons en un matériau souple, par exemple de mousse, sont disposés entre les couteaux et en dehors des trous. Ces tampons servent à tracter la bande avec ses boîtes.The second of these cylindrical tools ensures both the cutting and the transport of the poses and their maintenance during the stitching of the waste. The second tool is equipped with knives. Radial holes are drilled in the metal surface of the second tool, apart from the knives. The position of the holes corresponds to that of the needles of the first tool. The latter are lodged in the holes during the rotation of the two tools, so as to sting and pierce the waste. Some pads of a flexible material, for example foam, are arranged between the knives and outside the holes. These buffers are used to pull the tape with its boxes.

Ces déchets sont ensuite dégagés de ces aiguilles au cours de la rotation du premier outil. A cet effet, une série d'éjecteurs, en forme de peignes fixes à une ou plusieurs fentes, est disposée parallèle au premier outil. Le bord rectiligne des peignes est parallèle à la génératrice du cylindre du premier outil.This waste is then released from these needles during the rotation of the first tool. For this purpose, a series of ejectors, in the form of fixed combs with one or more slots, is arranged parallel to the first tool. The straight edge of the combs is parallel to the generatrix of the cylinder of the first tool.

Les peignes sont placés latéralement les uns par rapport aux autres, de façon à ce que l'une de leurs fentes coïncide avec la position latérale et ainsi avec la trajectoire circulaire de l'une des aiguilles sur le premier outil, dans le but d'éviter toute collision entre aiguilles et peignes. Les déchets découpés par le deuxième outil sont attrapés par les peignes et sont arrachés des aiguilles lorsque le premier outil tourne. Les aiguilles sont ainsi libérées et s'enfonceront dans d'autres déchets lors de leur prochain passage dans la zone découpée de la pose suivante.The combs are placed laterally relative to each other, so that one of their slots coincides with the lateral position and thus with the circular path of one of the needles on the first tool, for the purpose of avoid any collision between needles and combs. The waste cut by the second tool is caught by the combs and is torn from the needles when the first tool rotates. The needles are released and will sink into other waste during their next passage in the cut area of the next pose.

Le bord du peigne doit être positionné à une distance très précise du premier outil, de l'ordre du centième. Si l'opérateur laisse un écart trop grand entre la surface du cylindre et le bord du peigne, le déchet risque de passer entre le peigne et la surface. Ceci peut entraîner tout d'abord une déformation du peigne et peut aussi casser une ou plusieurs aiguilles. Les dégâts s'aggravent en général au fur et à mesure de la rotation du cylindre, jusqu'à l'arrêt de la machine. Si l'écart est au contraire trop petit, le peigne risque de se dégrader et d'abîmer le premier outil.The edge of the comb must be positioned at a very precise distance from the first tool, of the order of a hundredth. If the operator leaves too great a gap between the surface of the cylinder and the edge of the comb, the waste may pass between the comb and the surface. This may first result in deformation of the comb and may also break one or more needles. Damage usually gets worse as the cylinder rotates until the machine stops. If the gap is too small, the comb may degrade and damage the first tool.

Etat de la techniqueState of the art

Les peignes sont fixés au bâti par l'intermédiaire d'une traverse de guidage. La traverse est elle-même fixé grâce à des pièces d'assemblage inférieures comprenant des plots et des joues, rapportées sous les paliers.The combs are fixed to the frame via a guide rail. The cross is itself fixed by means of lower assembly parts including studs and cheeks, reported under the bearings.

Lorsque l'opérateur doit procéder au réglage des peignes d'un agencement ou d'une cassette de découpe et d'éjection, suite à un déréglage ou à un changement de travail, il sort cet agencement ou cette cassette de l'unité de transformation de l'unité. L'agencement ou la cassette est ensuite posée sur une table de réglage à l'extérieur de l'unité de transformation. L'agencement ou la cassette repose alors sur la table de réglage par ses pièces d'assemblage.When the operator has to adjust the combs of an arrangement or of a cutting and ejection cassette, following a maladjustment or a change of work, he takes out this arrangement or this cassette from the processing unit. of the unit. The arrangement or cassette is then placed on an adjustment table outside the processing unit. The arrangement or the cassette then rests on the adjustment table by its assembly parts.

Une fois les réglages effectués, l'agencement ou la cassette est replacé dans l'unité. L'agencement ou la cassette était posé par ses pièces d'assemblage pendant le réglage. L'agencement ou la cassette repose dans l'unité par ses paliers supérieurs et plus par les pièces d'assemblage. L'addition de tolérance des pièces d'assemblage occasionne alors un déréglage des peignes.Once the adjustments are made, the layout or cassette is returned to the unit. The arrangement or cassette was laid by its assembly parts during adjustment. The arrangement or the cassette rests in the unit by its upper bearings and more by the assembly parts. The addition of tolerance of the assembly parts then causes a maladjustment of the combs.

Exposé de l'inventionPresentation of the invention

Un objectif principal de la présente invention consiste à mettre au point un agencement de découpe et d'éjection de déchets pour un support plan, destiné à une unité de transformation dans une machine de production d'emballages. Un deuxième objectif est de réaliser un agencement de découpe et d'éjection des déchets à outils rotatifs, permettant d'obtenir un réglage extrêmement précis de l'intervalle entre l'un des outils porteur d'aiguilles et les éjecteurs. Un troisième objectif est d'éviter les variations de réglage d'un agencement de découpe et d'éjection entre la table de réglage et l'unité de transformation. Un quatrième objectif est de résoudre lés problèmes techniques mentionnés pour les agencements de l'état de la technique. Un cinquième objectif consiste à prévoir une cassette comprenant un agencement de découpe et d'éjection des déchets. Un autre objectif encore est celui de réussir à insérer une unité de transformation dans une machine de production d'emballage. L'invention est définie dans la revendication 1. Autrement dit, le ou les éjecteurs sont attachés directement aux deux paliers de l'outil porteur d'aiguilles, par l'intermédiaire des moyens de solidarisation transversaux. Les moyens de solidarisation comportent peu de pièces et sont compacts. De part la fixation directement sur les paliers, une très bonne rigidité est obtenue aussi bien en statique qu'en dynamique. Le réglage fait sur la table de réglage reste le même quand l'agencement se retrouve en machine.A main object of the present invention is to develop a waste cutting and ejecting arrangement for a planar support for a processing unit in a packaging production machine. A second objective is to provide a device for cutting and ejecting the rotary tool waste, to obtain an extremely precise adjustment of the gap between one of the needle-carrying tools and the ejectors. A third objective is to avoid adjustment variations of a cutting and ejecting arrangement between the table of setting and processing unit. A fourth objective is to solve the technical problems mentioned for the arrangements of the state of the art. A fifth objective is to provide a cassette comprising an arrangement for cutting and ejection of waste. Another objective is to succeed in inserting a processing unit in a packaging production machine. The invention is defined in claim 1. In other words, the ejectors or ejectors are attached directly to the two bearings of the needle-carrying tool, by means of the transverse fastening means. The securing means have few parts and are compact. Due to the fixing directly on the bearings, a very good rigidity is obtained both in static and dynamic. The setting made on the adjustment table remains the same when the layout is found in a machine.

Le support plan est défini, à titre d'exemple non exhaustif, comme étant en un matériau en bande continue, tel que du papier, du carton plat, du carton ondulé, du carton ondulé contrecollé, du plastique flexible, par exemple du polyéthylène (PE), du polyéthylène téréphtalate (PET), du polypropylène biorienté (BOPP), ou d'autres matériaux encore.The flat support is defined, by way of non-exhaustive example, as being made of a continuous web material, such as paper, flat cardboard, corrugated cardboard, laminated corrugated cardboard, flexible plastic, for example polyethylene ( PE), from polyethylene terephthalate (PET), bioriented polypropylene (BOPP), or other materials.

Dans un autre aspect de l'invention, une cassette de découpe et d'éjection des déchets pour un support plan est caractérisée en ce qu'elle comprend un agencement de découpe et d'éjection des déchets pour le support plan présentant une ou plusieurs des caractéristiques techniques décrites ci-dessous et revendiquées. Avec la cassette de découpe et d'éjection, l'accès, le montage et le démontage de la ou des aiguilles radiales de retenue de déchet et du ou des éjecteurs sont facilités pour l'opérateur assurant les réglages et la maintenance de l'unité et de la machine de production d'emballages.In another aspect of the invention, a waste cutting and ejecting cassette for a flat support is characterized by comprising a waste cutting and ejecting arrangement for the flat support having one or more of technical features described below and claimed. With the cutting and ejection cassette, access, assembly and disassembly of the radial waste needle or needles and ejectors are facilitated for the operator ensuring the settings and maintenance of the unit and the packaging production machine.

Selon un autre aspect de l'invention, une unité de transformation pour un support plan est caractérisée en ce qu'elle équipée avec une cassette de découpe et d'éjection des déchets pour le support plan, cette cassette étant munie d'un agencement de découpe et d'éjection des déchets pour le support plan, présentant une ou plusieurs des caractéristiques techniques décrites ci-dessous et revendiquées.According to another aspect of the invention, a processing unit for a flat support is characterized in that it is equipped with a cutting and waste ejection cassette for the flat support, this cassette being provided with an arrangement of cutting and ejecting waste for flat support, having one or more of the technical characteristics described below and claimed.

Selon un autre aspect de l'invention, une unité de transformation pour un support plan est caractérisée en ce qu'elle comprend un agencement de découpe et d'éjection des déchets pour le support plan, présentant une ou plusieurs des caractéristiques techniques décrites ci-dessous et revendiquées.According to another aspect of the invention, a processing unit for a flat support is characterized in that it comprises a waste cutting and ejection arrangement for the flat support, having one or more of the technical characteristics described above. below and claimed.

Selon' un autre aspect encore de l'invention, une machine de production d'emballage à partir d'un support plan est caractérisée en ce qu'elle comprend au moins une unité de transformation pour le support plan, présentant une ou plusieurs des caractéristiques techniques décrites ci-dessous et revendiquées.According to yet another aspect of the invention, a packaging production machine from a flat support is characterized in that it comprises at least one processing unit for the flat support, having one or more of the features techniques described below and claimed.

Brève description des dessinsBrief description of the drawings

L'invention sera bien comprise et ses divers avantages et différentes caractéristiques ressortiront mieux lors de la description suivante, de l'exemple non limitatif de réalisation, en référence aux dessins schématiques annexés, dans lesquels:

  • la Figure 1 représente une vue latérale synoptique d'une unité de transformation;
  • la Figure 2 représente une vue isométrique d'une cassette munie d'un agencement de découpe et d'éjection des déchets selon l'invention;
  • la Figure 3 représente une vue latérale partielle de la cassette de la Figure 2; et
  • la Figure 4 représente une vue en coupe selon le plan IV - IV sur la Figure 2, avec deux outils de diamètres différents.
The invention will be better understood and its various advantages and different characteristics will become more apparent in the following description, of the nonlimiting exemplary embodiment, with reference to the appended diagrammatic drawings, in which:
  • the Figure 1 represents a synoptic side view of a transformation unit;
  • the Figure 2 represents an isometric view of a cassette provided with an arrangement for cutting and ejecting waste according to the invention;
  • the Figure 3 represents a partial side view of the cassette of the Figure 2 ; and
  • the Figure 4 represents a sectional view along the plane IV - IV on the Figure 2 , with two tools of different diameters.

Exposé détaillé de modes de réalisation préférésDetailed description of preferred embodiments

Une machine de production d'emballage (non représentée) traite une matière ou un support plan, qui est dans ce cas un support en bande continue, par exemple du carton plat. Comme l'illustre la Figure 1, la machine comprend une unité de transformation d'un support 1 pour transformer la bande 2. Le sens d'avance ou de défilement (Flèche F en Figure 1) de la bande 2 et de la bande transformée suivant la direction longitudinale indique le sens amont et le sens aval dans l'unité 1. Les positions avant et arrière sont définies par rapport à la direction transversale, comme étant respectivement le côté conducteur ou opérateur et le côté opposé conducteur ou opérateur.A packaging production machine (not shown) processes a material or planar support, which in this case is a continuous web support, for example flat cardboard. As illustrated by Figure 1 , the machine comprises a processing unit of a support 1 to transform the strip 2. The direction of advance or scroll (arrow F in Figure 1 ) of the strip 2 and the strip transformed in the longitudinal direction indicates the upstream direction and the downstream direction in the unit 1. The front and rear positions are defined with respect to the transverse direction, respectively being the driver or operator side and the opposite driver or operator side.

La machine peut présenter un dérouleur de bande, des unités telles que des groupes imprimeurs, des moyens pour contrôler la qualité et le registre de l'impression, un guidage de bande, et d'autres encore, qui sont positionnés en amont de l'unité 1.The machine may have a tape drive, units such as printer units, print quality and printing control means, web guiding, and the like, which are positioned upstream of the printer. unit 1.

L'unité de transformation 1 est une unité de gaufrage, de refoulage, de découpe et d'éjection des déchets. La-bande 2 arrive dans l'unité 1 par son côté transversal en amont, avec une vitesse constante. Un groupe d'introduction comprenant des rouleaux d'entraînement et des rouleaux de renvoi pour la bande 2 est prévu en entrée de l'unité 1. L'unité 1 transforme la bande 2, successivement en la gaufrant, en la découpant, et en éjectant les déchets.The processing unit 1 is a unit for embossing, crushing, cutting and ejecting waste. The band 2 arrives in the unit 1 by its transverse side upstream, with a constant speed. An introductory group comprising drive rollers and return rollers for the web 2 is provided at the input of the unit 1. The unit 1 transforms the web 2, successively by embossing it, cutting it, and ejecting waste.

L'unité 1 délivre des poses ou des boîtes transformées 3, étant par conséquent en carton plat gaufré, refoulé, découpé, et sans déchets. Les boîtes 3 sortent de l'unité 1 par son côté transversal en aval, avec la même vitesse constante. Les boîtes 3 confectionnées dans l'unité 1 sont ensuite séparées latéralement et longitudinalement l'une de l'autre dans une station de séparation puis réceptionnées dans une station de réception (non représentées).The unit 1 delivers poses or transformed boxes 3, being therefore in cardboard embossed, reprocessed, cut, and without waste. The boxes 3 leave the unit 1 by its transverse side downstream, with the same constant speed. The boxes 3 made in the unit 1 are then separated laterally and longitudinally from one another in a separation station and then received in a receiving station (not shown).

L'unité 1 comprend tout d'abord un premier agencement assurant le gaufrage 4, disposé en amont, i.e. en entrée de cette unité 1. L'agencement de gaufrage 4 est équipé d'un outil rotatif supérieur de gaufrage 6 et d'un outil rotatif inférieur de gaufrage 7. Dans l'exemple de réalisation, une cassette de gaufrage 8 comprend l'agencement de gaufrage 4.The unit 1 firstly comprises a first embossing arrangement 4, arranged upstream, ie at the input of this unit 1. The embossing arrangement 4 is equipped with an upper embossing rotary tool 6 and an embossing device 4. lower embossing rotary tool 7. In the exemplary embodiment, an embossing cassette 8 comprises the embossing arrangement 4.

L'unité 1 comprend un deuxième agencement assurant le refoulage 9, disposé en aval de l'agencement de gaufrage 4. L'agencement de refoulage 9 est équipé d'un outil rotatif supérieur de refoulage 11 et d'un outil rotatif inférieur de refoulage 12. Dans l'exemple de réalisation, une cassette de refoulage 13 comprend l'agencement de refoulage 9.The unit 1 comprises a second arrangement providing the upsetting 9, arranged downstream of the embossing arrangement 4. The upsetting arrangement 9 is equipped with a top rotary tool 11 and a lower rotary tool for upsetting 12. In the exemplary embodiment, an upsetting cassette 13 comprises the upsetting arrangement 9.

L'unité 1 comprend un troisième agencement assurant la découpe et l'éjection des déchets 14, disposé en aval dé l'agencement de refoulage 9, i.e. en sortie de cette unité 1. L'agencement de découpe et d'éjection des déchets 14 est équipé d'un premier outil rotatif inférieur d'éjection des déchets 16, positionné parallèlement à un deuxième outil rotatif supérieur de découpe et d'éjection des déchets 17. Dans l'exemple de réalisation, une cassette de découpe et d'éjection des déchets 18 comprend l'agencement de découpe et d'éjection des déchets 14.The unit 1 comprises a third arrangement for cutting and ejecting waste 14, disposed downstream of the upsetting arrangement 9, ie at the outlet of this unit 1. The arrangement for cutting and ejecting waste 14 is equipped with a first lower rotational waste ejection tool 16, positioned parallel to a second upper rotary tool for cutting and ejecting waste material. In the exemplary embodiment, a cassette for cutting and ejecting waste 18 comprises the arrangement for cutting and ejecting waste 14.

Les agencements 4, 9 et 14, et ainsi les cassettes 8, 13 et 18, sont placés les uns à la suite des autres pour que chacun réalise sa transformation respective, par gaufrage, refoulage, découpe et éjection des déchets de la bande 2.The arrangements 4, 9 and 14, and thus the cassettes 8, 13 and 18, are placed one after the other so that each carries out its respective transformation by embossing, crushing, cutting and ejection of the waste of the strip 2.

L'axe de rotation de chacun des outils de gaufrage 6 et 7, de refoulage 11 et 12, et de découpe et d'éjection des déchets 16 et 17 est orienté transversalement par rapport au sens de défilement F de la bande 2. Le sens de rotation (Flèche Rs en Figure 2) des outils supérieurs de gaufrage 6, de refoulage 11, et de découpe et d'éjection des déchets 16 est inversé par rapport au sens de rotation (Flèche Ri en Figure 2) des outils inférieurs de gaufrage 7, de refoulage 12, et de découpe et d'éjection des déchets 17.The axis of rotation of each of the embossing tools 6 and 7, upsetting 11 and 12, and cutting and ejection of waste 16 and 17 is oriented transversely to the running direction F of the strip 2. The direction of rotation (Rs arrow in Figure 2 ) upper embossing tools 6, upsetting 11, and cutting and ejection of waste 16 is reversed with respect to the direction of rotation (Arrow Ri in Figure 2 ) lower embossing tools 7, upsetting 12, and cutting and ejection waste 17.

Les cassettes de gaufrage 8, de refoulage 13, et de découpe et d'éjection des déchets 18 sont aptes à être introduites dans un bâti 19 de l'unité 1, à être fixées au bâti 19, mises en production, puis à l'inverse, aptes à être désolidarisées du bâti 19, et à être extraites de ce bâti 19. L'unité 1 comprend ainsi trois logements transversaux prévus dans le bâti 19 pour chacune des trois cassettes 8, 13 et 18. Les cassettes 8, 13 et 18 sont introduites verticalement, par le haut par rapport au bâti 19 dans les logements transversaux. A l'inverse, les cassettes 8, 13 et 18 peuvent être extraites verticalement par rapport au bâti 19, hors de leur logement transversal respectif.The embossing cassettes 8, upsetting 13, and cutting and ejection waste 18 are adapted to be introduced into a frame 19 of the unit 1, to be fixed to the frame 19, put into production, then to the inverse, able to be detached from the frame 19, and to be extracted from the frame 19. The unit 1 thus comprises three transverse housings provided in the frame 19 for each of the three cassettes 8, 13 and 18. The cassettes 8, 13 and 18 are introduced vertically, from the top relative to the frame 19 in the transverse housing. Conversely, the cassettes 8, 13 and 18 can be extracted vertically relative to the frame 19, out of their respective transverse housing.

L'agencement de découpe et d'éjection des déchets 14, et de ce fait la cassette de découpe et d'éjection des déchets 18, comprend (voir Figure 2) le premier outil inférieur cylindrique rotatif 16, qui est muni d'aiguilles (non représentées) insérées radialement dans sa surface. Les aiguilles radiales font toutes saillies radialement sur une longueur égale, leur pointe étant dirigée vers l'extérieur. Le reste de la circonférence du premier outil 16 est lisse.The arrangement for cutting and ejecting the waste 14, and thus the waste cutting and ejection cassette 18, comprises (see Figure 2 ) the first cylindrical lower rotary tool 16, which is provided with needles (not shown) inserted radially in its surface. The radial needles all protrude radially over an equal length, their point being directed outwards. The remainder of the circumference of the first tool 16 is smooth.

Ces aiguilles radiales sont placées de manière appropriée aux endroits où la découpe de la bande 2 produit des déchets, en fonction du layout des poses prévues dans la bande 2. Immédiatement après découpe, chaque déchet est piqué par une aiguille radiale. Les boîtes 3 poursuivent leur trajectoire horizontale F, et le déchet est entraîné dans une trajectoire circulaire Ri autour de l'outil inférieur 16 et est donc séparé des boîtes 3.These radial needles are appropriately positioned where the cutting of the strip 2 produces waste, depending on the layout of the poses provided in the strip 2. Immediately after cutting, each waste is stitched by a radial needle. The boxes 3 continue their horizontal trajectory F, and the waste is driven in a circular trajectory Ri around the lower tool 16 and is therefore separated from boxes 3.

Le deuxième outil supérieur cylindrique rotatif 17 est muni de filets découpeurs (non représentés) usinés ou rapportés sur sa circonférence en fonction de la configuration des boîtes à réaliser. Des trous (non représentés) sont percés en correspondance avec la position des aiguilles du premier outil 16. Quelques tampons de mousse sont collés dans les zones en dehors des filets et des trous. La bande 2 est entraînée et défile F dans l'intervalle radial 20 entre l'outil inférieur 16 et l'outil supérieur 17. L'outil inférieur 16 est agencé de façon à coopérer avec l'outil supérieur 17 pour transformer, i.e. découper puis éjecter les déchets de la bande 2.The second cylindrical upper rotary tool 17 is provided with cutting threads (not shown) machined or reported on its circumference according to the configuration of the boxes to be made. Holes (not shown) are drilled corresponding to the needle position of the first tool 16. A few foam pads are glued in areas outside the threads and holes. The band 2 is driven and moves F in the radial gap 20 between the lower tool 16 and the upper tool 17. The lower tool 16 is arranged to cooperate with the upper tool 17 to transform, ie cut and then eject the waste from band 2.

L'agencement de découpe et d'éjection des déchets 14, et de ce fait la cassette de découpe et d'éjection des déchets 18, comprend un premier palier avant inférieur 26 et un deuxième palier arrière inférieur 27 maintenant pour rotation le premier outil, i.e. l'outil inférieur 16 par son axe de rotation 28. L'agencement de découpe et d'éjection 14, et de ce fait la cassette de découpe et d'éjection 18, comprend un troisième palier avant supérieur 29 et un quatrième palier arrière supérieur 31 maintenant pour rotation le deuxième outil, i.e. l'outil supérieur 17 par son axe de rotation 32.The waste cutting and ejection arrangement 14, and thereby the waste cutting and disposing cassette 18, comprises a first lower front bearing 26 and a second lower rear bearing 27 now for rotating the first tool, ie the lower tool 16 by its axis of rotation 28. The cutting and ejecting arrangement 14, and thereby the cutting and ejecting cassette 18, comprises a third upper front bearing 29 and a fourth rear bearing upper 31 now for rotation the second tool, ie the upper tool 17 by its axis of rotation 32.

Une partie inférieure de chacun des troisième et quatrième paliers 29 et 31 possède quatre excroissances 33. La partie inférieure des paliers 29 et 31 correspond à la zone située sous l'axe de rotation 32. Deux excroissances amont et aval sont présentes en face avant et deux excroissances amont et aval sont présentes en face arrière. La cassette de découpe et d'éjection des déchets 18 repose sur le bâti 19 grâce aux huit excroissances 33, de chacun des deux paliers supérieurs 29 et 31, lorsqu'elle est insérée dans l'unité 1.A lower part of each of the third and fourth bearings 29 and 31 has four protuberances 33. The lower part of the bearings 29 and 31 corresponds to the zone located under the axis of rotation 32. Two upstream and downstream protuberances are present on the front face and two upstream and downstream protuberances are present on the rear face. The cutting and waste ejection cassette 18 rests on the frame 19 thanks to the eight protuberances 33, of each of the two upper bearings 29 and 31, when it is inserted into the unit 1.

L'agencement de découpe et d'éjection des déchets 14, et de ce fait la cassette de découpe d'éjection des déchets, comprend des moyens d'entraînement destinés à entraîner en rotation les deux outils 16 et 17. Ces moyens sont formés avec un premier pignon inférieur 34 pour l'outil inférieur 16 fixé à l'arrière sur son axe de rotation 28. Ce premier pignon 34 engrène avec un deuxième pignon 35 pour l'outil supérieur 17 fixé à l'arrière sur son axe de rotation 32. Lorsque la cassette 18 est insérée dans le bâti 19, les dents du deuxième pignon 35 viennent engrener avec les dents d'un pignon conjugué d'un moteur électrique d'entraînement en rotation.The arrangement for cutting and ejecting the waste 14, and thus the waste ejection cutting cassette, comprises drive means for driving in rotation the two tools 16 and 17. These means are formed with a first lower gear 34 for the lower tool 16 fixed at the rear on its axis of rotation 28. This first gear 34 meshes with a second gear 35 for the upper tool 17 fixed at the rear on its axis of rotation 32 When the cassette 18 is inserted into the frame 19, the teeth of the second pinion 35 come into engagement with the teeth of a conjugate pinion of an electric motor driving in rotation.

Le premier palier avant inférieur 26 de l'outil inférieur 16 est fixé au troisième palier avant 29 de l'outil supérieur 17, et le deuxième palier arrière inférieur 27 de l'outil inférieur 16 est fixé au quatrième palier arrière supérieur 31 de l'outil supérieur 17, de façon à constituer la cassette de découpe 18. Pour maintenir la cassette 18 en un seul tenant, des éléments, sous la forme de quatre tirants 36 traversent respectivement le palier avant supérieur 29 et le palier arrière supérieur 31 de part et d'autre de l'axe de rotation 32 de l'outil supérieur 17. L'extrémité inférieure de chacun des quatre tirants 36 est filetée et se visse dans un taraudage du palier avant inférieur 26 et du palier arrière inférieur 27. Quatre écrous 37 viennent respectivement se visser sur l'extrémité supérieure des quatre tirants 36 et bloquent ces derniers par appui sur une face supérieure du palier avant supérieur 29 et du palier arrière supérieur 31.The first lower front bearing 26 of the lower tool 16 is attached to the third front bearing 29 of the upper tool 17, and the second lower rear bearing 27 of the lower tool 16 is attached to the upper upper rear bearing 31 of the upper tool 17, so as to constitute the cutting cassette 18. To hold the cassette 18 in one holding, elements in the form of four tie rods 36 respectively pass through the upper front bearing 29 and the upper rear bearing 31 on either side of the axis of rotation 32 of the upper tool 17. The lower end of each of the four tie rods 36 is threaded and is screwed into a tapping of the lower front bearing 26 and the lower rear bearing 27. Four nuts 37 are respectively screwed on the upper end of the four tie rods 36 and block them by pressing on one side upper upper bearing 29 and upper rear bearing 31.

La cassette de découpe et d'éjection des déchets 18, ainsi que les cassettes de gaufrage 8 et de refoulage 13, comprennent deux pattes de saisie 38 prévues chacune au niveau de la face supérieure du palier avant supérieur 29 et du palier arrière supérieur 31. Les deux pattes 38 sont destinées à coopérer avec des moyens de levage pour soulever verticalement et transporter la cassette 18, 8 et 13 en dehors du bâti 19.The waste cutting and ejection cassette 18, as well as the embossing cassette 8 and the embossing cassette 13, comprise two gripping tabs 38 each provided at the upper face of the upper front bearing 29 and the upper rear bearing 31. The two tabs 38 are intended to cooperate with lifting means for vertically lifting and transporting the cassette 18, 8 and 13 outside the frame 19.

Une éjection contrôlée des déchets est réalisée par l'agencement de découpe et d'éjection des déchets 14, ainsi par la cassette de découpe et d'éjection des déchets 18. Le déchet piqué par l'aiguille radiale est détaché de cette même aiguille, pour que cette dernière puisse extraire un nouveau déchet à chaque tour de l'outil inférieur 16. Cette extraction se fait à l'aide d'au moins un éjecteur, sous la forme d'un peigne d'éjection 39 (voir Figures 2 à 4). Les deux outils 16 et 17 et le peigne 39 sont agencés et coopèrent entre eux pour éjecter les déchets de la bande 2.A controlled ejection of the waste is carried out by the arrangement of cutting and ejection of the waste 14, as well as by the cutting cassette and ejection waste 18. The waste stitched by the radial needle is detached from the same needle, so that the latter can extract a new waste at each turn of the lower tool 16. This extraction is done using at least one ejector, in the form of an ejection comb 39 (see Figures 2 to 4 ). The two tools 16 and 17 and the comb 39 are arranged and cooperate with each other to eject the waste from the strip 2.

Le peigne 39 comporte une fente 41, orientée perpendiculairement au bord avant 42 du peigne 39, qui est parallèle à la génératrice de l'outil inférieur 16. Cette fente 41 est disposée sur la trajectoire circulaire décrite par l'aiguille radiale autour de l'axe de rotation 28 de l'outil inférieur 16. L'angle d'inclinaison du peigne 39, ainsi que la longueur de cette fente 41 sont prévus pour permettre le passage de l'aiguille radiale. Le bord avant 42 du peigne 39, peut ainsi s'approcher au plus près de la surface de l'outil inférieur 16, ce qui lui permet de s'engager entre la surface et le déchet.The comb 39 has a slot 41, oriented perpendicular to the front edge 42 of the comb 39, which is parallel to the generatrix of the lower tool 16. This slot 41 is disposed on the circular path described by the radial needle around the axis of rotation 28 of the lower tool 16. The inclination angle of the comb 39, and the length of this slot 41 are provided to allow the passage of the radial needle. The front edge 42 of the comb 39, can thus approach closer to the surface of the lower tool 16, which allows it to engage between the surface and the waste.

Selon l'invention, l'agencement de découpe et d'éjection des déchets 14, et ainsi la cassette de découpe et d'éjection des déchets 18, comprend des moyens de solidarisation 43 de l'éjecteur, i.e. du peigne 39, fixés transversalement au niveau d'une partie inférieure, respectivement du premier palier avant inférieur 26 et du deuxième palier arrière inférieur 27. La partie inférieure des paliers 26 et 27 correspond à la zone située sous l'axe de rotation 28 de l'outil inférieur 16. En raison du piquage des déchets, les moyens de solidarisation 43 sont fixés dans la partie inférieure située en aval.According to the invention, the arrangement for cutting and ejecting waste 14, and thus the cutting and waste ejection cassette 18, comprises securing means 43 of the ejector, ie of comb 39, fixed transversely. at a lower part, respectively of the first lower front bearing 26 and the second lower rear bearing 27. The lower part of the bearings 26 and 27 corresponds to the zone situated under the axis of rotation 28 of the lower tool 16. Due to the stitching of the waste, the securing means 43 are fixed in the lower part downstream.

L'agencement de découpe et d'éjection des déchets 14, et ainsi la cassette de découpe et d'éjection des déchets 18, peut être utilisé avec des outils 16 et 17 présentant différents diamètres correspondant à la longueur des poses pour le travail effectué. Un premier outil avec un diamètre faible 16 et un premier outil avec un diamètre plus important 16a (en trait tillés), avec leur moyen de solidarisation 43, leur peigne 39 ont été représentés en Figure 4.The arrangement of cutting and ejection of waste 14, and thus the cassette of cutting and ejection of waste 18, can be used with tools 16 and 17 having different diameters corresponding to the length of the poses for the work done. A first tool with a small diameter 16 and a first tool with a larger diameter 16a (in lined lines), with their securing means 43, their comb 39 have been represented in FIG. Figure 4 .

Les moyens de solidarisation 43 présentent préférentiellement une position sur le premier palier 26 et le troisième palier 27, qui est choisie de sorte que la distance entre les moyens de solidarisation 43 et le premier outil 16 et 16a soit sensiblement équivalente quel que soit le diamètre du premier outil 16 et 16a.The securing means 43 preferably have a position on the first bearing 26 and the third bearing 27, which is chosen so that the distance between the securing means 43 and the first tool 16 and 16a is substantially equivalent regardless of the diameter of the first tool 16 and 16a.

De manière favorable, les moyens de solidarisation 43 comprennent une traverse 44, par exemple de section quadrangulaire. La traverse 44 assure le pontage entre le premier palier 26 et le troisième palier 27, ce qui permet de rigidifier les deux paliers 26 et 27, l'agencement de découpe et d'éjection des déchets 14, et ainsi la cassette de découpe et d'éjection des déchets 18.Favorably, the securing means 43 comprise a cross member 44, for example of quadrangular section. The cross member 44 bridges the first bearing 26 and the third bearing 27, which makes it possible to stiffen the two bearings 26 and 27, the arrangement for cutting and ejecting the waste 14, and thus the cutting cassette and the ejection of waste 18.

Les moyens de solidarisation 43 comprennent avantageusement une coulisse. La coulisse fait partie intégrante de la traverse 44. La coulisse permet un positionnement transversal par coulissement (Flèche T en Figure 3) et une connexion mécanique de l'éjecteur, i.e. du peigne 39.The securing means 43 advantageously comprise a slide. The slide is an integral part of the crossmember 44. The slide allows transverse positioning by sliding (T arrow in Figure 3 ) and a mechanical connection of the ejector, ie the comb 39.

De préférence, la coulisse présente une rainure 46 ménagée dans la traverse 44. La rainure 46 est ménagée en étant orientée sensiblement vers l'extérieur de l'agencement de découpe et d'éjection des déchets 14, et ainsi de la cassette de découpe et d'éjection des déchets 18. La rainure 46 s'ouvre vers l'aval et vers le bas. La rainure 46 est destinée au positionnement et à la connexion mécanique de l'éjecteur, i.e. du peigne 39. En raison de son orientation, la rainure 46 est facilement accessible à l'opérateur.Preferably, the slide has a groove 46 formed in the crosspiece 44. The groove 46 is formed by being oriented substantially outwardly of the waste cutting and ejection arrangement 14, and thus the cutting cassette and ejection 18. The groove 46 opens downstream and downward. The groove 46 is intended for the positioning and the mechanical connection of the ejector, i.e. the comb 39. Due to its orientation, the groove 46 is easily accessible to the operator.

Les moyens de solidarisation 43 comprennent favorablement un adaptateur 47 assurant une connexion mécanique de l'éjecteur, i.e. du peigne 39, de sorte que l'éjecteur, i.e. le peigne 39, présente la même position angulaire, quel que soit le diamètre du premier outil 16 et 16a.The securing means 43 advantageously comprise an adapter 47 providing a mechanical connection of the ejector, ie of the comb 39, so that the ejector, ie the comb 39, has the same angular position, regardless of the diameter of the first tool 16 and 16a.

Plusieurs adaptateurs 47 sont positionnés le long de la traverse 44, en fonction des positions respectives et du nombre de déchets à enlever à chaque révolution du premier outil 16 et 16a. Chacun de ces adaptateurs 47 porte un peigne 39. De manière avantageuse pour le réglage latéral, les moyens de solidarisation 43 comprennent une pièce formant coulisseau 48 assurant une liaison avec l'adaptateur 47, et coopérant avec la rainure 46 de la coulisse.Several adapters 47 are positioned along the crossbar 44, depending on the respective positions and the number of waste to be removed at each revolution of the first tool 16 and 16a. Each of these adapters 47 carries a comb 39. Advantageously for the lateral adjustment, the securing means 43 comprise a slider piece 48 providing a connection with the adapter 47, and cooperating with the groove 46 of the slide.

Le réglage de la position du peigne 39 sur l'adaptateur 47 dans ses deux axes de déplacement est obtenu à l'aide de vis de réglages qui sont accessibles sur une même face de l'adaptateur 47 orientée parallèlement à la coulisse, i.e. à la traverse 44. Les vis de réglages sont donc aisément accessibles car orientées vers le bas et vers l'aval. Le réglage et le démontage des peignes 39 et des adaptateurs 47 simplifient au maximum les diverses interventions sur l'agencement de découpe et d'éjection des déchets 14, et ainsi sur la cassette de découpe et d'éjection des déchets 18.The adjustment of the position of the comb 39 on the adapter 47 in its two axes of displacement is obtained by means of adjustment screws which are accessible on the same face of the adapter 47 oriented parallel to the slide, ie to the cross 44. The adjustment screws are therefore easily accessible because oriented downwards and towards downstream. Adjustment and disassembly of the combs 39 and adapters 47 simplify to the maximum the various interventions on the arrangement of cutting and ejection of waste 14, and so on the cutting cassette and ejection of waste 18.

Une tôle de protection (non représentée) s'étendant sur toute la longueur du premier outil 16 recouvre les moyens de solidarisation 43. La tôle permet de protéger les peignes 39, les adaptateurs et leurs fixations tout en canalisant l'écoulement des déchets.A protective plate (not shown) extending over the entire length of the first tool 16 covers the securing means 43. The plate protects the combs 39, the adapters and their fasteners while channeling the flow of waste.

La présente invention n'est pas limitée aux modes de réalisation décrits et illustrés. De nombreuses modifications peuvent être réalisées, sans pour autant sortir du cadre défini par la portée du jeu de revendications.The present invention is not limited to the embodiments described and illustrated. Many modifications can be made, without departing from the scope defined by the scope of the set of claims.

Claims (12)

  1. Waste cutting and ejection arrangement for a plane support (3), comprising:
    - a first rotating cylindrical waste ejection tool (16), the surface of which is provided with at least one radial waste retaining pin,
    - a second rotating cylindrical tool (17),
    - a first and a second lateral bearing (26, 27) retaining the first tool (16) in rotation,
    - a third and a fourth lateral bearing (29, 31) retaining the second tool (17) in rotation, and
    - at least one ejector (39),
    the two tools (16, 17) and the ejector (39) being arranged to cooperate with each other to cut and eject waste from the support (3),
    characterised in that it comprises means (43) of solidarising the ejector (39), fixed transversely in the lower part of the first and the second bearings (26, 27),
    and in that the arrangement forms a cassette that can be inserted in the frame of a transformation unit for a plane support.
  2. Arrangement according to claim 1, characterised in that the position of the solidarisation means (43) on the first and the second bearings (26, 27) is such that the distance between the solidarisation means (43) and the first tool (16) is equivalent regardless of the diameter of the first tool (16, 16a).
  3. Arrangement according to claim 1 or 2, characterised in that the solidarisation means (43) comprise a slide to enable transverse positioning by sliding and a connection of the ejector (39).
  4. Arrangement according to claim 3, characterised in that the slide is provided with a groove (46) leading substantially to the exterior of the arrangement (14) that will be use for the connection of the ejector (39).
  5. Arrangement according to any one of the previous claims, characterised in that the solidarisation means (43) comprise a cross-piece (44).
  6. Arrangement according to claim 4 or 5, characterised in that the solidarisation means (43) comprise an adapter (47) that makes a mechanical connection of the ejector (39), such that the ejector (39) has the same angular position regardless of the diameter of the first tool (16, 16a).
  7. Arrangement according to claim 6, characterised in that the solidarisation means (43) comprise a connecting part (48) with the adapter (47) cooperating with the groove (46) in the slide.
  8. Arrangement according to any one of the previous claims, characterised in that holes are drilled in the surface of the second tool (17), depending on the angular position of the pins of the first tool (16).
  9. Arrangement according to any one of the previous claims, characterised in that the second tool (17) is provided with cutting threads.
  10. Transformation unit for a plane support, characterised in that it supports an arrangement (14) according to any one of claims 1 to 9.
  11. Unit according to claim 10, characterised in that it comprises a waffle layout (4) and/or and scoring arrangement (9), positioned upstream from the arrangement (14);
  12. Packaging production machine starting from a plane support, characterised in that it comprises a transformation unit (1) according to any one of claims 10 to 11.
EP14709547.5A 2013-03-08 2014-03-05 Arrangement for cutting and ejecting waste, unit and machine provided with the same Not-in-force EP2964434B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14709547.5A EP2964434B1 (en) 2013-03-08 2014-03-05 Arrangement for cutting and ejecting waste, unit and machine provided with the same

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13001173 2013-03-08
EP14709547.5A EP2964434B1 (en) 2013-03-08 2014-03-05 Arrangement for cutting and ejecting waste, unit and machine provided with the same
PCT/EP2014/000560 WO2014135276A1 (en) 2013-03-08 2014-03-05 Arrangement for cutting off and ejecting waste, cassette, unit and machine equipped with same

Publications (2)

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EP2964434A1 EP2964434A1 (en) 2016-01-13
EP2964434B1 true EP2964434B1 (en) 2017-05-31

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US (1) US20160023369A1 (en)
EP (1) EP2964434B1 (en)
JP (1) JP6235047B2 (en)
KR (1) KR101803163B1 (en)
CN (1) CN105163915B (en)
ES (1) ES2630370T3 (en)
TW (1) TWI600514B (en)
WO (1) WO2014135276A1 (en)

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CN110181596A (en) * 2019-05-14 2019-08-30 成都领益科技有限公司 A kind of device asynchronous for conducting resinl
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KR20150126652A (en) 2015-11-12
JP6235047B2 (en) 2017-11-22
CN105163915B (en) 2018-03-30
KR101803163B1 (en) 2017-11-29
TW201446446A (en) 2014-12-16
TWI600514B (en) 2017-10-01
US20160023369A1 (en) 2016-01-28
EP2964434A1 (en) 2016-01-13
WO2014135276A1 (en) 2014-09-12
CN105163915A (en) 2015-12-16
ES2630370T3 (en) 2017-08-21
JP2016512176A (en) 2016-04-25

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