EP1028054A1 - Machine d'ensachage et procédé d'ajustement de la largeur d'une gaine d'ensachage à la section d'un pain - Google Patents
Machine d'ensachage et procédé d'ajustement de la largeur d'une gaine d'ensachage à la section d'un pain Download PDFInfo
- Publication number
- EP1028054A1 EP1028054A1 EP00420029A EP00420029A EP1028054A1 EP 1028054 A1 EP1028054 A1 EP 1028054A1 EP 00420029 A EP00420029 A EP 00420029A EP 00420029 A EP00420029 A EP 00420029A EP 1028054 A1 EP1028054 A1 EP 1028054A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheath
- unit
- machine
- frame
- machine according
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
- B65B9/13—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state
-
- 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
- B65B25/00—Packaging other articles presenting special problems
- B65B25/16—Packaging bread or like bakery products, e.g. unsliced loaves
Definitions
- the invention relates to a bread bagging machine and a method of adjusting the width of a bagging sheath at the section of a bread.
- FR-A-2 678 897 describes a device for bagging loaves in which a coil sheath is moved, according to a predetermined path, by a drive mechanism up to in a position in which it is possible to insert a bread inside this sheath, the sheath being cut and sealed by a suitable mechanism so as to form sachets individual presentation of the breads.
- the department or department bakery of a large area is required to produce breads different such as for example rods, whose weight is about 250 grams, and breads or flutes about 400 grams. Other breads of specific shapes, such as crowns or balls, are also produced.
- the diameter of the bagging sheath of the breads must be adapted to the cross-section of each type of bread to avoid tearing of the sheath or too large movements of the bread inside the sheath and folding it unsightly when many breads are placed side by side on the shelf of a large area. It is therefore common practice in the bakery department of a large area to change manually the sheath used on a machine for bagging bread in depending on the type of bread to be packed.
- Some machines have two zones for receiving a reel sheath but, when switching from one type of sheath to another, the operator must manually extract the first sheath from the drive device of the machine, partially rewind this first sheath and introduce the second sheath into the device before restarting the machine. These operations are long and tedious and require care particular from the operator, failing which the second sheath is not properly driven.
- each sheath the width of which can be adapted to a predetermined type of bread, remains engaged in permanence in the corresponding drive mechanism, the cutting / welding head being moved to cooperate with the sheath adapted to the type of bagging buns without manipulation delicate or painful for the operator.
- the invention also relates to a method for adjusting the width of a bagging sheath in the section of a loaf which can be implemented with the machine as above described and, more specifically, a method which consists in move a mobile crew on which a unit of cutting / welding opposite the path of a sheath, driven by an adequate mechanism, from a storage area in coil.
- the operation of the unit is enslaved cutting / welding when the crew is locked in a working position of the unit in relation to the paths of the sheath. This guarantees the safety of the bagging, in the extent to which the cutting elements, or those whose temperature is high, can only intervene in a adapted configuration.
- the machine 1 shown in Figures 1 to 5 is intended to be installed, for example, in the bakery department of a large area. It comprises a frame 2 of generally parallelepipedal shape mounted on rollers 3 making it possible to move the machine 1 in a work area.
- the frame 2 is divided, by a central partition 4 formed by two sails 4 a and 4 b , into two volumes 5 and 6 open upwards.
- a shaft 7 is mounted on the partition 4 and extends horizontally inside the volume 5, so that a coil 8 formed from a sheath 9, for example made up of an assembly of paper and plastic , can be received on the shaft 7 while being free to rotate about an axis X 1 -X ' 1 generally horizontal.
- the sheath 9 follows a path T which extends between the coil 8 and a roller 10 disposed parallel to the axis X 1 -X ' 1 , then rises in a generally vertical direction passing between two drive rollers 11 and 12, arranged on either side of the sheath 9, and one of which is driven by an electric motor 13.
- Two toothed wheels 14 and 15 are pivotally mounted on the web 4a of the partition 4 and engaged with each other.
- toothed wheels 14 and 15 are respectively integral with pulleys 14a and 15a connected to the rollers 11 and 12 by toothed belts 16 and 17, the belt 16 also allowing the transmission of the output movement of the motor 13 to the roller 11.
- the movement output from the motor 13 is transmitted to the roller 11 by the belt 16 and to the roller 12 by the elements 16, 14, 14 a , 15, 15 a and 17.
- roller 12 is loaded elastically in the direction of the roller 11 by means of a double return device 18 exerting on the support bearings of the roller 12 a force directed towards the roller 11.
- the rollers 11 and 12 are pressed against the sheath 9 and their respective rotations in the inserted directions R and R 'allow the sheath to be driven in an upward movement, represented by the arrow F 1 in FIG. 4.
- a spacer 20, sometimes called a "carriage”, is positioned inside the sheath 9, between the rollers 11 and 12, so that the advance movement of the sheath 9 towards the top opens sheath 9 from spacer 20.
- a shaft 27 extends in the volume 6 from the partition 4 and can support a coil 28 formed of a sheath 29 and mounted free in rotation around an axis X 2 -X ' 2 overall parallel to the axis X 1 -X ' 1 .
- a path T ' is defined between the coil 28 and drive rollers 31 and 32 controlled by an electric motor 33.
- the path T' is generally parallel to the path T and passes in the same vertical plane from a roller return 30 aligned with the roller 10.
- toothed belts 36 and 37 cooperate with pulleys integral with toothed wheel 34 and 35 for the rotational drive in opposite directions of the rollers 31 and 32.
- a spacer 40 is disposed in the sheath 29 between the rollers 31 and 32.
- the sheaths 9 and 29 have different widths, one of them for example the sheath 9, which can be adapted to the packaging of baguettes while the other, for example the sheath 29, can be adapted to the packaging of breads or flutes of 400 grams.
- the two paths T and T ' are independent of each other insofar as each is established within a volume independent 5 or 6 and where they are generally parallel.
- the axes X 1 -X ' 1 and X 2 -X' 2 are parallel, but offset horizontally and vertically, which allows their fixing through the partition 4 without interference.
- the left lateral partition 2 a of the frame 2 is provided with a recess 2 b for the passage of the coil 9 for its loading or unloading on the shaft 7.
- the opposite lateral partition 2 ' a is also provided with a recess 2 ′ b for loading and unloading the coil 29.
- a unit 50 for cutting / welding the sheath 9 is provided above the rollers 11 and 12 and comprises a movable head 51, more particularly visible in FIG. 4 and controlled by an actuator 52.
- the head 51 provided with a cutting means and a welding means not shown, is capable of coming to bear against a fixed head 53 forming a stop.
- a blower 54 is connected to a tube 55, the outlet 55 a of which is arranged above and directed towards the sheath 9.
- the air set in motion by the blower 54 is directed towards the upper part of the sheath 9, so that it keeps the latter open after it has passed around the spacer 20.
- the unit 50 is mounted on a carriage 60 movable in the direction of the arrow F 3 in FIGS. 1 and 2, that is to say perpendicular to the paths T and T ', along two rails 61 and 62 installed in the upper part of the front 2 c and rear 2 d faces of the frame 2.
- a single cutting / welding unit 50 can be used to work alternately with one or the other of the sheaths 9 and 29 on their respective paths T and T '.
- the carriage 60 is provided with a passage area or chimney 66 disposed above the rollers 11 and 12 and the spacer 20 in the position of FIGS. 2 and 4 and above the rollers 31 and 32 and the spacer 40 in the position of FIG. 1.
- the carriage 60 also carries a cabinet 70 and electrical control electronics of the machine 1 with a front face 70 has inclined door control members 70 b, such as buttons and / or displays.
- the carriage 60 and the elements which it carries form a crew movable between the position shown in FIG. 1 and the position shown in Figures 2 and 4, positions in which unit 50 can cooperate respectively with the sheath 29 on path T 'or with sheath 9 on path T.
- machine 1 is particularly simple for the user who only has to move the crew mobile thus constituted, that is to say the carriage 60, between either of the two positions shown, depending the type of bread he wants to pack, that is to say depending on the sheath width he wishes to use.
- the operator As shown in Figure 1 for the sheath 29, it is possible for the operator to introduce a loaf P into the sheath emerging from the chimney 66 of the carriage 60 and kept open by the air coming from of tube 55.
- the functioning of the systems 11 to 20 on the one hand, 31 to 40 on the other hand, unit 50 and blower 54 is only possible when the carriage 60 is in the position of FIG. 1 or in the position of figures 2 and 4, but not in a position intermediate.
- one or more contactors electrical are provided on the frame 2, for example in part upper part of the bulkhead sails 4.
- the frame 2 is equipped, at the upper edge of its rear face 2 d , with a plate 80 in which an oblong slot 81 is formed. the largest dimension of which is generally parallel to the rails 61 and 62.
- an operating lever 82 is articulated around a generally horizontal axis X 3 -X ′ 3 on the carriage 60.
- This lever 82 comprises two branches 83 and 84 connected at the level of the front face 60 a of the carriage 60 by a handle 85.
- the front face 60 a of the carriage 60 is provided with two slots 63 and 64 allowing the passage of the branches 83 and 84 during a movement of the lever 82 in pivoting around the 'axis X 3 -X' 3 , this movement corresponding to a vertical movement of the handle 85, as shown by the arrow F 4 in Figures 4 and 5.
- the lever 82 carries a tab 86 extending between the branches 83 and 84 and shaped so that it carries, in a central region 86 a , a roller 87 capable of sliding in the lumen 81.
- the geometry of the tab 86 is such that , when the handle 85 is in the low position shown in Figures 1, 2, 4 and 5, the roller 87 is engaged in one of the notches 81 a or 81 b .
- the roller 87 should be facing one of the openings 81 a or 81 b , that is to say that the carriage 60 is respectively in the position of the figures 1 and 5 or in the position of FIGS. 2 and 4, the unit 50 and the tube 55 then being correctly positioned relative to the sheath 9 or 29.
- the handle 85 When it is necessary to change the sheath, the handle 85 is raised according to the arrow F 4 , which makes it possible to disengage the roller 87 from the notch 81 a or 81 b in which it is retained and to move the mobile assembly, along the rails 61 and 62, that is to say parallel to the axes X 1 -X ' 1 , X 2 -X' 2 and X 3 -X ' 3 , to the other position in which the roller is introduced in the other notch 81 b or 81 a .
- the lever 82 can be loaded elastically by a spring so that the roller 87 is automatically brought back into position towards one of the notches 81 a or 81 b .
- the weight of the lever 82 may be sufficient for such an elastic return by leverage.
- the sides 60 c and 60 d of the carriage 60 each carry a cutout 67 or 68. These cutouts are adapted to be respectively closed by plates or flaps 83 a and 84 a welded to the branches 83 and 84 of the lever 82 and preventing the access to moving parts during machine operation.
- the handle 85 is raised to release the roller 87 from the notch 81 a or 81 b in which it is retained, the flaps 83 a and 84 a are retracted above the cutouts 67 and 68. They then release the cutouts 67 and 68 to the point that the sides of the carriage 60 do not interfere with the spacers 20 and 40 and, more generally, with the drive systems of the ducts 9 and 29 on their respective paths T and T '.
- sheath 109 is therefore advantageously limited to special breads produced in limited quantity, for example in one or two batches per day, so that the number of manual and daily sheath changes is limited.
- the structure 100 can support two coils 108 and equivalent on either side of the extension of the partition 4, the total capacity of the machine then being four coils.
- the invention has been represented with two volumes 5 and 6 of reception of a sheath in reel. It is however applicable with a machine in which three or more than three volumes are provided in parallel, the moving part then being movable above these different reception volumes, the way described above.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Manufacturing And Processing Devices For Dough (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
- Basic Packing Technique (AREA)
- Making Paper Articles (AREA)
- Package Closures (AREA)
- Bakery Products And Manufacturing Methods Therefor (AREA)
Abstract
Description
- un bâti apte à recevoir au moins une gaine enroulée sous forme de bobine ;
- un mécanisme d'entraínement de la gaine porté par ce bâti et
- une unité de découpe/soudage de cette gaine caractérisée en ce que le bâti porte au moins deux mécanismes d'entraínement aptes, chacun, à entraíner une gaine à partir d'une bobine selon un trajet prédéterminé, ces trajets étant indépendants, et en ce que l'unité de découpe/soudage est portée par un équipage mobile, apte à déplacer cette unité entre au moins deux positions définies chacune au voisinage de l'un de ces trajets, cette unité étant apte à découper/souder, dans chacune de ces positions, la gaine entraínée selon l'un de ces trajets.
- Le bâti comprend deux zones de réception et de dévidage d'une gaine en bobine, chaque zone étant associée à un mécanisme d'entraínement d'une gaine, l'équipage mobile étant apte à être mis en place au-dessus de chaque zone par translation selon une direction globalement perpendiculaire au trajet de la gaine dans chaque zone.
- L'équipage mobile porte une soufflerie de mise en forme d'une gaine et un tube d'acheminement de l'air de mise en forme, ainsi qu'une unité de commande de la machine.
- L'équipage est apte à être verrouillé dans chacune des positions précitées. Le bâti porte avantageusement une lumière oblongue dont les extrémités forment chacune une zone de verrouillage pour un organe solidaire de l'équipage mobile et apte à coulisser dans cette lumière. Dans ce cas, un levier de manoeuvre peut être articulé sur l'équipage mobile, le pivotement de ce levier autour de son axe d'articulation correspondant aux mouvements de l'organe de et vers l'une de ces zones de verrouillage. On peut également prévoir que le levier de manoeuvre porte deux volets d'obturation de deux ouvertures latérales de l'équipage mobile prévues sur les côtés de l'équipage mobile, au niveau des mécanismes d'entraínement.
- Elle comprend au moins une structure de réception d'une gaine supplémentaire en bobine, cette gaine étant prévue pour être entraínée par l'un des mécanismes précités selon un trajet en partie commun avec l'un des trajets précités.
- la figure 1 est une vue en perspective par un côté d'une machine d'ensachage conforme à l'invention dans une première position ;
- la figure 2 est une vue en perspective de la machine, par l'autre côté, dans une seconde position ;
- la figure 3 est une vue de dessus du bâti de la machine et des éléments qu'il porte ;
- la figure 4 est une coupe verticale selon la ligne IV-IV à la figure 3, la machine étant dans la position de la figure 2 et
- la figure 5 est une vue en perspective du levier de manoeuvre de la machine et de la lumière associée, dans la position de la figure 1.
Claims (10)
- Machine d'ensachage de pains (P) comprenant :un bâti apte à recevoir au moins une gaine enroulée sous forme de bobineun mécanisme d'entraínement de ladite gaine porté par ledit bâti etune unité de découpe/soudage de ladite gaine caractérisée en ce que ledit bâti porte au moins deux mécanismes d'entraínement (11-20, 31-40) aptes chacun à entraíner une gaine (9, 29) à partir d'une bobine (8, 28) selon un trajet (T, T') prédéterminé, lesdits trajets étant indépendants, et en ce que ladite unité de découpe/soudage (50) est portée par un équipage mobile (60) apte à déplacer (F3) ladite unité entre au moins deux positions définies chacune au voisinage de l'un desdits trajets (T, T'), ladite unité (50) étant apte à découper/souder, dans chacune desdites positions, la gaine (9, 29) entraínée selon un desdits trajets.
- Machine selon la revendication 1, caractérisée en ce que ledit bâti (2) comprend deux zones (5, 6) de réception et de dévidage d'une gaine (9, 29) en bobine (8, 28), chaque zone étant associée à un mécanisme d'entraínement (11-20, 31-40) d'une gaine, ledit équipage (60) étant apte à être mis en place au-dessus de chaque zone par translation selon une direction (F3) globalement perpendiculaire au trajet (T, T') de la gaine dans chaque zone.
- Machine selon l'une des revendications 1 ou 2, caractérisée en ce que ledit équipage (60) porte une soufflerie (54) de mise en forme d'une gaine (9, 29) et un tube (55) d'acheminement de l'air de mise en forme, ainsi qu'une unité de commande (70) de ladite machine.
- Machine selon l'une des revendications 1 à 3, caractérisée en ce que ledit équipage (60) est apte à être verrouillé dans chacune desdites positions.
- Machine selon la revendication 4, caractérisée en ce que ledit bâti (2) porte une lumière oblongue (81) dont les extrémités forment chacune une zone de verrouillage (81a, 81b) pour un organe (87) solidaire dudit équipage (60) et apte à coulisser dans ladite lumière.
- Machine selon la revendication 5, caractérisée en ce qu'un levier de manoeuvre (82) est articulé sur ledit équipage mobile (60), le pivotement dudit levier autour de son axe d'articulation (X3-X'3) correspondant aux mouvements dudit organe (87) de et vers l'une desdites zones de verrouillage (81a, 81b).
- Machine selon l'une des revendications 5 ou 6, caractérisée en ce qu'un levier de manoeuvre (82) porte deux volets (83a, 84a) d'obturation de deux ouvertures latérales (67, 68) dudit équipage mobile (60).
- Machine selon l'une des revendications précédentes, caractérisée en ce qu'elle comprend au moins une structure (100) de réception d'au moins une gaine supplémentaire (109) en bobine (108), ladite gaine étant prévue pour être entraínée par l'un (11-20) desdits mécanismes selon un trajet (T'') en partie commun avec l'un desdits trajets (T, T').
- Procédé d'ajustement de la largeur d'une gaine (9, 29) d'ensachage à la section d'un pain (P), caractérisé en ce qu'il consiste à déplacer un équipage mobile (60) sur lequel est montée une unité (50) de découpe/soudage en regard du trajet (T, T') d'une gaine entraínée par un mécanisme adéquat (11-20 ; 31-40) à partir d'une zone de stockage (5, 6) en bobine (8, 28).
- Procédé selon la revendication 9, caractérisé en ce qu'il consiste à asservir le fonctionnement de ladite unité (50) de découpe/soudage au verrouillage (87, 81a, 81b) dudit équipage (60) dans une position de travail de ladite unité par rapport aux trajets (T, T') de ladite gaine (9, 29).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9901809A FR2789654B1 (fr) | 1999-02-11 | 1999-02-11 | Machine d'ensachage et procede d'ajustement de la largeur d'une gaine d'ensachage a la section d'un pain |
FR9901809 | 1999-02-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1028054A1 true EP1028054A1 (fr) | 2000-08-16 |
EP1028054B1 EP1028054B1 (fr) | 2005-08-17 |
Family
ID=9542034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00420029A Expired - Lifetime EP1028054B1 (fr) | 1999-02-11 | 2000-02-10 | Machine d'ensachage et procédé d'ajustement de la largeur d'une gaine d'ensachage à la section d'un pain |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1028054B1 (fr) |
AT (1) | ATE302142T1 (fr) |
DE (1) | DE60021929D1 (fr) |
FR (1) | FR2789654B1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2511188A1 (fr) | 2011-04-14 | 2012-10-17 | Dune | Machine et procédé d'ensachage de produits alimentaires allongés et sac d'ensachage utilisé dans une telle machine |
FR3104548A1 (fr) * | 2019-12-17 | 2021-06-18 | Dune | Machine d’ensachage de produits alimentaires |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3011823B1 (fr) | 2013-10-11 | 2016-04-15 | Dune | Machine d'ensachage de produits alimentaires et procede d'ensachage de produits alimentaires |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2678897A1 (fr) | 1991-07-08 | 1993-01-15 | Duffner Herve | Dispositif pour l'ensachement des pains. |
FR2691946A1 (fr) * | 1992-06-03 | 1993-12-10 | Perret Michel | Procédé et dispositif destinés à conditionner un objet de forme allongée dans un emballage tubulaire. |
EP0779209A1 (fr) * | 1995-12-15 | 1997-06-18 | Dune | Installation pour l'ensachement automatique des pains |
-
1999
- 1999-02-11 FR FR9901809A patent/FR2789654B1/fr not_active Expired - Fee Related
-
2000
- 2000-02-10 AT AT00420029T patent/ATE302142T1/de not_active IP Right Cessation
- 2000-02-10 EP EP00420029A patent/EP1028054B1/fr not_active Expired - Lifetime
- 2000-02-10 DE DE60021929T patent/DE60021929D1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2678897A1 (fr) | 1991-07-08 | 1993-01-15 | Duffner Herve | Dispositif pour l'ensachement des pains. |
FR2691946A1 (fr) * | 1992-06-03 | 1993-12-10 | Perret Michel | Procédé et dispositif destinés à conditionner un objet de forme allongée dans un emballage tubulaire. |
EP0779209A1 (fr) * | 1995-12-15 | 1997-06-18 | Dune | Installation pour l'ensachement automatique des pains |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2511188A1 (fr) | 2011-04-14 | 2012-10-17 | Dune | Machine et procédé d'ensachage de produits alimentaires allongés et sac d'ensachage utilisé dans une telle machine |
FR2974068A1 (fr) * | 2011-04-14 | 2012-10-19 | Dune | Machine et procede d'ensachage de produits alimentaires allonges et sac d'ensachage utilise dans une telle machine |
FR3104548A1 (fr) * | 2019-12-17 | 2021-06-18 | Dune | Machine d’ensachage de produits alimentaires |
EP3838770A1 (fr) * | 2019-12-17 | 2021-06-23 | Dune | Machine d'ensachage de produits alimentaires |
Also Published As
Publication number | Publication date |
---|---|
DE60021929D1 (de) | 2005-09-22 |
EP1028054B1 (fr) | 2005-08-17 |
FR2789654B1 (fr) | 2001-04-13 |
FR2789654A1 (fr) | 2000-08-18 |
ATE302142T1 (de) | 2005-09-15 |
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