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    • 专利摘要:
    Fig. 8 pinces de préhension (18) des pâtons (8) sur le plateau (10, 32) en vue de leur déplacement. Le ou chacun des plateaux de réception (10, 32) comprend des parois longitudinales (102) aptes à contenir les pâtons (8) en vue de leur préhension par la ou les pinces de préhension (18). L’invention a trait également à un procédé de manipulation de pâtons (8) au moyen du dispositif de manipulation. The invention relates to a device for handling dough pieces (8) pastry, comprising a conveyor (14) in a longitudinal direction; at least one tray (10, 32) for the dough pieces (8) to be arranged on the conveyor (14); one or more BE2015 / 5360 Fig. 8 grip grippers (18) dough pieces (8) on the plate (10, 32) for their displacement. The or each of the receiving trays (10, 32) comprises longitudinal walls (102) capable of containing the dough pieces (8) for their gripping by the gripping pliers (18). The invention also relates to a method of handling dough pieces (8) by means of the handling device.
    公开号:BE1023179B1
    申请号:E2015/5360
    申请日:2015-06-12
    公开日:2016-12-12
    发明作者:Longrée Pierre De
    申请人:ACEMAL INTERNATIONAL Sarl；
    IPC主号:
    专利说明:

    TECHNICAL FIELD The invention relates to the field of the industrial manufacture of cooked food products based on pastry dough, such as biscuits and waffles. More particularly, the invention relates to the gripping and handling of dough pieces.
    Prior art
    The published patent document EP 1 064 847 B1 discloses a dough gripper for transferring a fermentation unit to an oven for baking in the form of a waffle. Dough pieces leave the fermentation unit on trays arranged transversely on a first conveyor. A gripper comprising, essentially, two arms pivoting and supporting, each, several teeth, is configured to grasp one or more dough pieces on the tray by penetration of the teeth in said dough or dough pieces. The gripper, in addition to the pivoting of its arms, is movable vertically and horizontally. After gripping the dough (s), the gripper moves upwards and then laterally towards a second conveyor in order to deposit the dough (s). In this case, the second conveyor comprises waffle molds intended to cooperate with counter-molds to form the dough and bake through an oven. The device disclosed in this document is interesting in that its gripper is particularly suitable for gripping dough pieces which are, by definition, malleable while having some cohesion. Depending on the composition of dough pieces, this solution may not be adequate. Indeed, in certain situations, the dough can flow, that is to say deforming by flattening, especially under the effect of the ambient heat and / or simply beyond a certain period of time. In this case, the teeth of the clamp may not meet the dough pieces, or not to penetrate in their middle, in which case they may tear during the rise of the clamp.
    Published patent document US2012 / 0032460 A1 discloses a gripper for pastry dough. It includes two arms pivoting and curved so as to maintain a generally round shape to the dough. These arms include a generally flat bottom edge for scraping the surface of the dough-carrying conveyor. This gripper is interesting for gripping dough pieces whose round shape must be preserved or even shaped, especially for pastry products baking without mold. For dough pieces intended to be flattened to form including waffles and biscuits, the advantages of such a clamp are limited. In addition, for dough that can fl ow and flatten naturally, the lower scraper edge may tear or even miss the dough material. Summary of the invention
    TECHNICAL PROBLEM The invention aims to provide a gripping solution of pastry dough that is more effective, especially when the dough tend to flow.
    TECHNICAL SOLUTION The subject of the invention is a device for handling pastry dough pieces, comprising: a conveyor in a longitudinal direction; at least one dough receiving tray, intended to be arranged on the conveyor; at least one dough gripper on the receiving tray for movement thereof; remarkable in that the or each of the reception trays comprises longitudinal walls adapted to contain the dough pieces for gripping by the or gripping tongs.
    According to an advantageous embodiment of the invention, the longitudinal walls are spaced from each other by a distance W of between 25 mm and 80 mm, preferably between 30 mm and 70 mm, more preferably between 40 mm and 60 mm.
    According to an advantageous embodiment of the invention, the longitudinal walls are generally vertical or form an angle of less than 30 °, preferably less than 20 °, with the vertical.
    According to an advantageous embodiment of the invention, the longitudinal walls have beveled front and / or rear edges.
    According to an advantageous embodiment of the invention, the front and / or rear edges of the longitudinal walls are generally rectilinear and form an angle α with the horizontal which is between 30 ° and 50 °, preferably between 40 ° and 50 °. According to an advantageous embodiment of the invention, the longitudinal walls have an average height h of between 2 mm and 40 mm, preferably between 5 mm and 30 mm.
    According to an advantageous embodiment of the invention, the longitudinal walls have a maximum length L of between 60 mm and 200 mm.
    According to an advantageous embodiment of the invention, the at least one receiving plate comprises at least one U-section section disposed longitudinally on at least one cross member, said one or more sections forming the longitudinal walls. More specifically, it is the portions of the profile that correspond to the wings of the U which form the longitudinal walls.
    According to an advantageous embodiment of the invention, the or each of the crosspieces comprises a generally flat and generally rectangular main portion with front and rear edges corresponding to the long sides of said rectangle, and attachment portions to the conveyor located at the front and rear edges. , under the main portion. The attachment portions may have opposed L-sections.
    According to an advantageous embodiment of the invention, the or each U section section has a connection fillet R between the longitudinal walls and a bottom wall of said section, said fillet having a radius of between 1mm and 10mm, preferably between 1mm and 5mm.
    According to an advantageous embodiment of the invention, the or each of the trays comprises several U-section profiles, arranged side by side transversely, preferably at a distance from one another.
    According to an advantageous embodiment of the invention, the or each U section section comprises a bottom wall with a recess for receiving the or one of the dough pieces.
    According to an advantageous embodiment of the invention, the recess has an average depth of between 1 mm and 5 mm, extends transversely over more than 50% of the width of the bottom wall and / or extends longitudinally over more than 40 mm.
    According to an advantageous embodiment of the invention, the or each of the gripping tongs is configured to include a gripping movement of the dough pieces essentially in a vertical plane.
    According to an advantageous embodiment of the invention, the or each of the clamps comprises two arms pivoting in a substantially vertical plane.
    According to an advantageous embodiment of the invention, each of the arms of the or each of the gripping clamps comprises projecting portions configured to penetrate the dough, said projecting portions being preferably rods with a pointed end.
    According to an advantageous embodiment of the invention, the protruding portions on each of the arms of the or each gripping tongs extend transversely over more than 50%, preferably more than 60%, more preferably more than 70%, of the distance between the longitudinal walls containing one of the dough pieces.
    According to an advantageous embodiment of the invention, the or each of the clamps comprises transverse portions fixed to the arms, respectively, and supporting the projecting portions, said transverse portions extending over several dough locations on the or one of the receiving trays.
    According to an advantageous embodiment of the invention, the device comprises a plurality of grippers, said grippers being arranged side-by-side longitudinally and configured to be able to move longitudinally and vertically.
    According to an advantageous embodiment of the invention, the conveyor is a first conveyor, the device comprising a second conveyor disposed adjacent to the first conveyor, preferably in alignment with said first conveyor, said second conveyor comprising molds on which the one or more grippers gripping are configured to deposit the dough pieces for cooking. The subject of the invention is also a process for handling dough pieces, which is remarkable in that it comprises the use of a device according to the invention and in that it comprises a step of gripping one or more dough pieces at means of the gripping tongs or respectively from the or one of the trays. According to an advantageous embodiment of the invention, the conveyor is a first conveyor, the device comprising a second conveyor disposed adjacent to the first conveyor, preferably in alignment with said first conveyor, said second conveyor comprising molds, and the gripping step is followed by a step of moving and removing the dough or dough on one or more of the molds of the second conveyor.
    According to an advantageous embodiment of the invention, the doughs comprise soya flour.
    Advantages of the invention
    The measures of the invention are interesting in that the grasping or gripping dough is made possible and reliable, especially for the dough whose composition has the effect of making them more malleable and fluent. The measures of the invention are simple to implement and allow to keep a classic design to the clip or tongs.
    Brief description of the drawings
    Figure 1 is an illustration of the principle of a production facility for pastry products such as waffles, according to the state of the art and compatible with the handling device of the invention.
    Figure 2 is a side view of a dough receiving tray of the installation of Figure 1, illustrating the difficulty of gripping when the dough flue.
    Figure 3 is a side view of a dough receiving section of a device according to the invention.
    FIG. 4 is a sectional view on VI-VI of the section of FIG. 3:
    Figure 5 is a perspective view of the section of Figures 3 and 4.
    Figure 6 is a side view of the profile of Figures 3-5.
    FIG. 7 is a sectional view VII-VII of the profile of FIG. 6.
    Figure 8 is an illustration of a dough handling device according to the invention and comprising profiles according to Figures 3 to 7.
    Description of an embodiment
    Figure 1 schematically illustrates a facility for producing pastry products such as waffles, according to the state of the art. The installation 2 comprises a dough preparation and dispensing unit 4. More specifically, the unit 4 extrudes dough pieces 8 'on the trays 10' of the conveyor 6. These dough pieces 8 'are then conveyed to a fermentation unit 12 in order to raise the dough pieces under appropriate temperature conditions, well known to those skilled in the art. Once raised, the dough pieces are conveyed outside the fermentation unit by the conveyor 14. The dough pieces, which have grown in size, are then picked up by a gripper device 16 comprising one or more clamps 18 suspended via a rod. to a guide rail 22. Each of the clamps 18 is configured to grab a dough, undergo a lifting movement followed by a translational movement to the conveyor 24 equipped with molds 28. The dough pieces are then released by the clamps on the molds 28 of the conveyor 24. The latter is configured to subject the dough pieces to a shaping by applying against-molds 28 arranged on an auxiliary conveyor 26. The molds and contre-molds 28 applied against each other are then conveyed to an oven 30 for cooking dough.
    In the description which has just been made with reference to FIG. 1, the dough pieces 8 'and the trays 10' are in accordance with the invention.
    FIG. 2 illustrates a seizure failure situation of a dough 8 different from dough pieces 8 'of FIG. 1 in that it is capable of flowing while flattening. It can be observed that the teeth 182 of the clamp 18, supported by the arms 181, pass over the paddle 8 during the pivoting movement of the arms 181.
    FIGS. 3 to 8 illustrate elements of a handling device according to the invention, it being understood that these elements are applicable to the production installation 2 illustrated in FIG. 1. The elements 8, 10 and 32 which are going to be described in connection with Figures 3 to 8 then replace the elements 8 'and 10', the rest being identical or almost identical.
    Figures 3 to 7 illustrate a tray for receiving dough fluent, according to the invention. Depending on various parameters, such as the flour involved in its composition, the dough may be more malleable and fluent. This is particularly the case when flour is soy flour.
    The plate comprises a U-section section 10 oriented along the longitudinal axis of the conveyor 14 (FIG. 1). The profile 10 comprises a bottom wall 101 and two longitudinal side walls 102. These two longitudinal walls 102 serve to contain the dough 8 by laterally limiting its flow. The dough 8 thus retains a minimum height, greater than that of the longitudinal walls 102.
    The teeth 182 of the clamp 18 can thus properly contact and penetrate the dough 8.
    The longitudinal walls 102 may have front and rear edges 103 bevelled. In this case, they can be generally inclined at an angle to the horizontal, this angle can be between 30 ° and 50 °, preferably between 40 ° and 50 °.
    The useful height h of the longitudinal walls 102 may be between 2mm and 40mm, preferably between 5mm and 30mm.
    The maximum length L of the longitudinal walls 102, that is to say, overall, the longitudinal walls 102 may be between 60mm and 200mm. The minimum length I of said wall is a function of the length L, the height h and the angle a.
    The distance W between two longitudinal walls 102 defining a receiving zone of a dough may be between 25mm and 80mm, preferably between 30mm and 70mm, more preferably between 40mm and 60mm.
    The longitudinal walls 102 advantageously form with the bottom wall 101 a fillet of connection with a mean curvature angle R between 1mm and 10mm, preferably between 1mm and 5mm.
    The profile 10 is advantageously made of metal, in this case stainless steel. It may have a wall thickness of between 0.5 mm and 3 mm, preferably between 1 mm and 2 mm.
    The bottom wall 101 of the profile 10 may comprise a recess 104, ideally arranged longitudinally in the center of said profile. This recess may have a length of between 40mm and 60mm. It can extend transversely over more than 50% or even more than 80% of the width of the profile. It may have a depth greater than 1 mm, preferably at 1.5 mm. The advantage of this recess is to center the dough 8 during its creep. Indeed, if the dough is not perfectly centered longitudinally on the section 10, during its creep, the material of the dough will naturally tend to flow to the recess 104, which will then refocus the dough.
    FIG. 8 illustrates a handling device according to the invention and comprising longitudinal walls conforming to those illustrated in FIGS. 3 to 7. More specifically, U-section sections 10 are arranged on a cross-member 32 which is itself , Supported by the conveyor 14. The profiles 10 are preferably attached to the cross members 32, for example by screwing. The sleepers 32 may be made of folded sheet.
    As can be seen in FIG. 8, each of the crosspieces 32 comprises a main portion 321 that is generally flat and generally rectangular with front and rear edges corresponding to the long sides of said rectangle. It may comprise attachment portions 322 located at the front and rear edges, under the main portion 321. These attachment portions 322 are configured to cooperate with hooking means (not shown), particularly in the unit of FIG. fermentation in order to move them in vertical directions.
    The clamp 18 illustrated in FIG. 8 is multiple in that it comprises transverse supports 183 for the teeth 182, these supports extending transversely so as to cover several dough receiving zones, in this case all of said zones. . In this way, a single gripper 18 can ensure the gripping doughs of a cross member 32. It is also possible to provide several grippers of this type distributed longitudinally so as to grasp the dough pieces of several sleepers in a single operation.
    The realization of the longitudinal walls by means of sections 10 of U section disposed on the cross members 32 is an embodiment, it being understood that these walls can be made otherwise. By way of example, they can be fixed directly to the crosspieces, in particular by welding or screwing.
    权利要求:
    Claims (23)
    [1]
    claims
    A pastry dough handling device (8) comprising: - a conveyor (14) in a longitudinal direction; - At least one receiving tray (10, 32) of the dough pieces (8), to be arranged on the conveyor (14); - at least one gripper (18) dough pieces (8) on the receiving plate (10, 32) for their displacement; characterized in that - or each of the receiving trays (10, 32) comprises longitudinal walls (102) adapted to contain the dough pieces (8) for their gripping by the or gripping tongs (18).
    [2]
    2. Device according to claim 1, characterized in that the longitudinal walls (102) are spaced from each other by a distance W between 25mm and 80mm, preferably between 30mm and 70mm, more preferably between 40mm and 60mm .
    [3]
    3. Device according to one of claims 1 and 2, characterized in that the longitudinal walls (102) are generally vertical or form an angle of less than 30 °, preferably less than 20 °, with the vertical.
    [4]
    4. Device according to one of claims 1 to 3, characterized in that the longitudinal walls (102) have beveled front and / or rear edges (103).
    [5]
    5. Device according to claim 4, characterized in that the front and / or rear edges (103) of the longitudinal walls (102) are generally rectilinear and form an angle with the horizontal which is between 30 ° and 50 °, preferably between 40 ° and 50 °.
    [6]
    6. Device according to one of claims 1 to 5, characterized in that the longitudinal walls (102) have an average height h between 2mm and 40mm, preferably between 5mm and 30mm.
    [7]
    7. Device according to one of claims 1 to 6, characterized in that the longitudinal walls (102) have a maximum length L between 60mm and 200mm.
    [8]
    8. Device according to one of claims 1 to 7, characterized in that the or the receiving trays comprise at least one U-section section (10) disposed longitudinally on at least one crossbar (32), said one or more profiles. (10) forming the longitudinal walls (102).
    [9]
    9. Device according to claim 8, characterized in that the or each cross (32) comprises a main portion (321) generally flat and generally rectangular with front and rear edges corresponding to the long sides of said rectangle, and portions of hooking (322) to the conveyor located at the front and rear edges, under the main portion (321).
    [10]
    10. Device according to one of claims 8 and 9, characterized in that the or each of the U section section (10) has a radius of curvature connection of connection R between the longitudinal walls (102) and a wall of bottom (101) of said profile (10), said radius being between 1mm and 10mm, preferably between 1mm and 5mm.
    [11]
    11. Device according to one of claims 8 to 10, characterized in that the or each of the trays comprises a plurality of U-section profiles (10), arranged side by side transversely, preferably at a distance from one another .
    [12]
    12. Device according to one of claims 8 to 11, characterized in that the or each section section U (10) comprises a bottom wall (101) with a recess (104) for receiving the or one of dough pieces (8).
    [13]
    13. Device according to claim 12, characterized in that the recess (104) has a mean depth of between 1mm and 5mm, extends transversely over more than 50% of the width of the bottom wall (101) and / or extends longitudinally over more than 40mm.
    [14]
    14. Device according to one of claims 1 to 13, characterized in that the or each of the gripping tongs (18) is configured to include a gripping movement of dough pieces (8) essentially in a vertical plane.
    [15]
    15. Device according to claim 14, characterized in that the or each of the clamps (18) comprises two arms (181) pivoting in a substantially vertical plane.
    [16]
    16. Device according to claim 15, characterized in that each of the arms (181) of the or each of the gripping tongs (18) comprises projecting portions (182) configured to penetrate the dough (s) (8), said projecting portions (182) being preferably rods with a pointed end.
    [17]
    17. Device according to claim 16, characterized in that the protruding portions (182) on each of the arms of the or each of the gripping tongs extend transversely over more than 50%, preferably more than 60%, more preferably more by 70%, the distance between the longitudinal walls (102) containing the corresponding dough (8).
    [18]
    18. Device according to one of claims 16 and 17, characterized in that the or each of the clamps (18) comprises transverse portions (183) attached to the arms (181), respectively, and supporting the projecting portions (182), said transverse portions (183) extending over a plurality of dough locations (8) on the one or more receiving trays (10, 32).
    [19]
    19. Device according to one of claims 1 to 18, characterized in that it comprises a plurality of grippers (18), said grippers being arranged side-by-side longitudinally and configured to be able to move longitudinally and vertically.
    [20]
    20. Device according to one of claims 1 to 19, characterized in that the conveyor is a first conveyor (14), the device comprising a second conveyor (24) disposed adjacent to the first conveyor (14), preferably in alignment said first conveyor (14), said second conveyor (24) comprising molds (28) on which the at least one gripping pliers (18) are configured to deposit the dough pieces (8) for cooking.
    [21]
    21. A dough handling method, characterized in that it comprises the use of a device according to one of claims 1 to 20 and in that it comprises a step of gripping one or more dough pieces (8 ) by means of the gripping pliers (18), respectively, from the or one of the trays (10, 32).
    [22]
    22. The method of claim 21, characterized in that the device is in accordance with claim 18 and in that the gripping step is followed by a step of moving and removing the dough (s) (8) on one or several of the molds (28) of the second conveyor (24).
    [23]
    23. Method according to one of claims 21 and 22, characterized in that the dough (8) comprises soy flour.
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