EP3570674A1 - Dispositif de préparation d'aliment comprenant un piston d'expulsion et une matrice de serrage - Google Patents

Dispositif de préparation d'aliment comprenant un piston d'expulsion et une matrice de serrage

Info

Publication number
EP3570674A1
EP3570674A1 EP17703332.1A EP17703332A EP3570674A1 EP 3570674 A1 EP3570674 A1 EP 3570674A1 EP 17703332 A EP17703332 A EP 17703332A EP 3570674 A1 EP3570674 A1 EP 3570674A1
Authority
EP
European Patent Office
Prior art keywords
capsule
hold
plunger
knife
drawer
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.)
Withdrawn
Application number
EP17703332.1A
Other languages
German (de)
English (en)
Inventor
Wolfgang Riessbeck
Simon Wäger
Thomas BRÜNTRUP
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.)
Flatev AG
Original Assignee
Flatev AG
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 Flatev AG filed Critical Flatev AG
Publication of EP3570674A1 publication Critical patent/EP3570674A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
    • A21B5/00—Baking apparatus for special goods; Other baking apparatus
    • A21B5/02—Apparatus for baking hollow articles, waffles, pastry, biscuits, or the like
    • A21B5/03—Apparatus for baking hollow articles, waffles, pastry, biscuits, or the like for baking pancakes
    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
    • A21B7/00—Baking plants
    • A21B7/005—Baking plants in combination with mixing or kneading devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
    • B65D77/2028—Means for opening the cover other than, or in addition to, a pull tab
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0094—Containers having an external wall formed as, or with, a diaphragm or the like which is deformed to expel the contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2581/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D2581/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within
    • B65D2581/3401—Cooking or heating method specially adapted to the contents of the package
    • B65D2581/3402—Cooking or heating method specially adapted to the contents of the package characterised by the type of product to be heated or cooked
    • B65D2581/3405—Cooking bakery products
    • B65D2581/3406—Pizza or bread

Definitions

  • the invention relates to a food preparation device, in particular a household food preparation device according to the preamble of claim 1 for preparing a food based on a (life) substrate accommodated in a capsule which is initially sealed.
  • the device is designed as a baking device, in particular as a household baking device, for forming and baking a food, in particular a flat bread such as a tortilla or for preparing a Piazzabrotes.
  • the device comprises a housing and, preferably arranged in the housing, the preparation means, in particular molding and baking agents, for the preparation of the food from the substrate portion.
  • the preparation means comprise at least one baking plate, preferably two opposite at least in one operating state baking plates, which further preferably simultaneously serve as a pressing device for flattening a trained as dough portion Substratportion, wherein alternatively other pressing devices can be used, such as rollers or rollers.
  • the food preparation device comprises
  • Capsule handling means for opening and emptying the capsule.
  • the capsule handling means comprise a knife for opening the capsule, in particular by puncturing a capsule lid, preferably a lid foil, as well as a plunger for applying force, in particular pressing out or emptying the capsule, which can be displaced relative to the capsule and the knife, preferably comprising drive means comprising an electric motor.
  • drive means comprising an electric motor.
  • the invention relates to a method for operating a food preparation device according to the invention according to claim 15. From WO 2013/124809 A2 a household flat bread baking device is known.
  • This comprises an opening mechanism for dough portion capsules which comprises a part-circle segment-shaped ring knife relative to which an openable capsule is adjustable by means of a punch to pierce a lid film of the capsule by means of the knife and thus open the capsule and the dough portion in the device to empty.
  • the reliability of the capsule opening process seems to be improving in the known device.
  • the invention is therefore based on the object of specifying a reliability of the opening process for opening the capsule, in particular for piercing a capsule lid film by means of the knife, as well as a method for operating such an improved food preparation device.
  • the capsule handling means comprise a relative to the plunger and the knife adjustable hold-down temple with which the capsule, in particular in the region of a radially projecting capsule peripheral edge , For adjusting the capsule against the knife and thereby puncture of the capsule, in particular a capsule lid film, by means of the knife and kraftbeaufschlag is bar.
  • a relative to the (Emptying) ram adjustable hold-down temple provided for interaction with the capsule, with which the capsule, in particular of a side facing away from the knife, in particular on an underside of a circumferential capsule peripheral edge, kraftbeetzschlag bar and thus relative to the knife is adjustable, so the knife can penetrate the capsule, in particular a capsule lid foil, or can dive into the capsule, very particularly preferably into a peripheral groove which is arranged in the region of the peripheral edge and covered by the capsule lid foil.
  • the capsule can be positioned by means of the hold-down temple, in particular by pressing the capsule indirectly or directly against a, preferably relative to the knife fixed stop, in particular by clamping the capsule.
  • the object is achieved with the features of claim 15, ie in a generic method, characterized in that the hold-down temple relative to the plunger, in particular with common drive means for the hold-down punch and the plunger, adjusted and thereby the capsule, in particular on a capsule -Umfangsrand, kraftbeaufschlagt and adjusted against the knife or in the knife inside to open the capsule and preferably the capsule, in particular for the temporally subsequent emptying process by means of the plunger, by interaction with the hold-down, in particular by clamping.
  • the invention is based on the idea, in addition to the plunger for emptying the capsule or for emptying the substrate, in particular the dough portion provide the capsule a hold-down temple and to arrange this relative to the plunger adjustable, in particular along the same adjustment axis, preferably in the context of a translational movement to adjust the capsule by means of the hold-down relative to the knife, such that the knife penetrates into the capsule, in particular while penetrating a capsule film.
  • the capsule is also fixed or positioned by means of the hold-down temple after opening, in particular within the housing of the device relative to the knife, in particular by clamping receiving the capsule, preferably a radially projecting peripheral edge of the capsule, between the hold-down temple and a stop.
  • the stop can, as will be explained later, be formed by a support section for the capsule, which is preferably positioned counter to the spring force of return springs together with the capsule by applying force to the capsule by means of the hold-down punch relative to the knife against a fixed relative to the knife (Fixed) stop is adjustable.
  • the capsule can be adjusted by means of the hold-down temple directly against a fixed relative to the knife positioned stop.
  • the hold-down temple according to the invention thus preferably has at least two functions, namely the opening of the capsule by adjusting the capsule against the Knife or in the knife and positioning, ie fixing the capsule, in particular by clamping for the opening process by means of or with the aid of the plunger.
  • the Verstellschulsablauf of hold-down punch and plunger is placed on each other so that the emptying or Ausd Wegvorgang the capsule by means of the plunger is at least not yet completed when the capsule is opened by interaction with the hold-down punch and the knife and positioned firmly relative to the knife.
  • the actual emptying process begins, in particular by deformation, most preferably by at least partially everting the capsule body only after the capsule has been positioned by means of the holding-down temple.
  • the capsule remains positioned by means of the hold-down temple until the plunger interacts with the capsule, in particular touching and / or already deforming it during its movement onto the capsule or the knife.
  • the plunger interacts with the capsule, in particular touching and / or already deforming it during its movement onto the capsule or the knife.
  • the plunger and the hold-down plunger are adjustably arranged along a common adjustment axis, in particular such that the hold-down temple reaches its maximum (in the direction of knife) extended hold-down position, ie positioning or clamping position for the capsule before the Tappet reaches its maximum extended in the same direction emptying position in which he, in particular the capsule deforming cooperating with the capsule, this kraftbeauf providedd.
  • hold-down punch and plunger in particular in a coupled, most preferably mechanically coupled adjustment, more preferably actuated with a common particular electromotive drive so relative to the knife adjustable that the hold-down the capsule by force, in particular the peripheral edge positioned, ie relative is fixed to the knife before the plunger is maximally adjusted towards the capsule or knife.
  • a deformation of the capsule by means of the plunger begins only after reaching the aforementioned hold-down position by the hold-down temple.
  • the plunger touches or deforms the capsule only after the aforementioned hold-down position has been reached, or if the plunger reaches or deforms the capsule only when the hold-down punch has passed its hold-down position and is already slightly away from it has moved down its hold-down position along the adjustment axis.
  • hold-down punch and plunger With regard to a space-saving and effective arrangement of hold-down punch and plunger, it has been found advantageous to hold hold-down punch and plunger into each other, preferably concentric, in particular such that the plunger is disposed within, preferably as a ring member, most preferably formed as a hollow cylinder element hold-down temple , It is possible and preferred, the ram on the inner circumference of the hold-down temple at its translational adjustment movement to guide along the adjustment axis.
  • the scraper means are preferably formed by the hold-down temple, such that this still contacts the capsule, while the plunger, in particular in a mechanically coupled movement with the hold-down temple again moved back to its initial position relative to the hold-down temple and thus from the possibly adherent or clamped capsule is moved out, which is then retained by the hold-down temple due to the investment of the hold-down temple on the capsule, in particular on the peripheral edge against a movement with the plunger and thereby stripped off.
  • the plunger preferably comprising an electric motor comprising drive means for adjusting the plunger along the adjustment axis. It is preferred, then, to associate the hold-down stamp with no separate drive means, which is alternatively possible, but to couple the hold-down punch with the drive means for adjusting the ram, preferably mechanically, hold-down punch and ram in a coupled movement along the adjustment axis, in particular with a single or to drive a common electric motor. As a result, additional costs for separate drives can be avoided.
  • the drive means comprise an eccentric shaft which can be driven about a rotation axis, preferably by a (common) electric motor, with which both the hold-down temple as well as the pestle are connected.
  • the hold-down punch and ram are at different circumferential positions about the axis of rotation with the preferably at least two eccentric, articulated coupling of the hold-down temple and the plunger eccentric shaft, in particular articulated coupled to thereby realize a rotational angle-dependent relative movement between hold-down plunger and plunger.
  • a force which can be applied to the capsule by means of the holding-down temple can, for example, be in the region of 250 N and / or the maximum force required for deforming the capsule, in particular for everting the capsule by means of the plunger, for example 150 N.
  • the hold-down temple on only one, at least one lever, preferably a lever pair comprehensive lever assembly, preferably with formation of a toggle joint articulated with the eccentric shaft, more precisely an eccentric eccentric shaft and / or the plunger via a, at least one lever preferably exclusively a lever, comprehensive lever arrangement, preferably with the formation of a toggle construction, hingedly connected to the eccentric shaft, more precisely an eccentric of the eccentric shaft.
  • the respective lever arrangement is preferably in each case hingedly connected in turn to the hold-down punch or the plunger.
  • levers used the respective lever arrangement it is preferred if they are each connected directly to one end with the eccentric shaft and with its other end directly to the hold-down punch or the plunger articulated.
  • the aforementioned lever structures are designed or matched to one another, in particular lower, a maximum (in the direction of knife) extended hold-down position (positioning or clamping position) of the hold-down punch defining dead center of the lever assembly of the plunger of its maximum (in the direction Knife) extended emptying position in which it interacts with a maximum of the capsule, in particular this deformed, even more preferably everting, is spaced, and it is particularly preferred if the plunger at the dead center of the lever assembly of the hold-down the capsule not (yet) deformed and / or most preferably not or just touched.
  • the invention further provides that the capsule handling means comprise a relative to the housing of the food preparation device, in particular in a housing opening, between a loading position and a functional position adjustable, the knife-containing capsule drawer, in the knife, preferably solvable, very special preferably releasably without tools, even more preferably releasably fixed via a threaded and / or bayonet connection.
  • the knife is arranged on a knife carrier, which is detachably fixable together with the knife for connecting means in the capsule drawer and after detaching the connecting means from this can be removed.
  • the food preparation device comprises a bearing surface providing a bearing surface for the capsule.
  • this support section is preferably arranged in the capsule drawer, in particular in such a way that the capsule can be placed onto the support section in the loading position of the drawer.
  • the support section is preferably positioned relative to the knife in such a way that the capsule does not (yet) contact the knife or that the knife is set back against the knife against an adjustment direction of the support section.
  • the adjustment of the hold-down temple then causes, in particular in the case of providing a capsule drawer in its functional position, a relative movement between support section with capsule and knife to cut open the capsule lid by means of the knife and then to empty the Substratportion from the capsule by means of the plunger.
  • the support section is adjusted against the spring force of return spring means, in particular until it abuts against a fixed relative to the knife positioned stop (fixed stop).
  • An alternative embodiment provides for a counter to the spring force of return springs adjustable support portion dispense and the capsule by means of the hold-down temple directly against a fixed relative to the knife positioned stop (fixed stop) to adjust.
  • the opening process and the relative movement of the capsule and knife can be further optimized.
  • the support portion or a support surface for the capsule of the support portion does not exceed, resulting in increased operating safety.
  • the support surface provided by the support portion for the capsule is surrounded by a peripheral wall which centers the capsule. In this case, it is preferable if the inner diameter of the free space surrounding the peripheral wall for capsule reception in the direction of the support surface, in particular conically tapers, in order to center the capsule.
  • the tolerance compensation spring means are preferably arranged in this and thus cause a resilient relative adjustability of the assembly relative to a drawer housing.
  • the aforementioned assembly comprise a plurality of circumferentially about the adjustment axis and / or the knife disposed spring elements, thus allowing a compression at various circumferential positions for the alignment movement.
  • the knife is not designed as circumferentially closed ring knife, but only over a circle segment, in particular of over 180 °, preferably of about 270 °, but less than 360 °, in particular less than 350 ° or 340 °.
  • the knife may be formed as a one-piece element, for example of a metal sheet or of a ceramic, or be composed of a plurality of segments, in particular partial circle segments, which are arranged in the circumferential direction adjacent to one another.
  • the knife extends around a passage opening, in particular in an optional capsule drawer, through which the food substrate, in particular the dough portion after opening the capsule by means of the knife and Kraftbeaufen the capsule by means of the plunger can fall through, then processed with the preparation means to the food, in particular to be shaped and baked.
  • the capsule drawer can not be removed during the emptying process of the capsule, in particular during the entire production process of the food. Removal of the capsule drawer during emptying may destroy components. In particular, the risk of destruction exists during capsule opening and substrate ejection since hold-down punches and / or plunger during this process steps partially, in particular from above, protrude into the capsule drawer.
  • the capsule drawer is associated with locking means for locking the capsule drawer, in particular by positive engagement with the capsule drawer in its functional position.
  • the locking means for locking and / or unlocking via the drive means for adjusting the plunger and / or the hold-down temple are actuated or adjustable.
  • the locking means need not necessarily be associated with a closure element designed as a capsule drawer an access opening, in particular a housing opening through which a capsule, for example manually or automatically brought into an operative position between hold-down punch, plunger and knife when the closure element is unlocked but the closure element can all possible embodiments, For example, as a flap, shutter or shutters, etc. be executed.
  • the locking means are designed to lock the closure element in its closed position, which functionally corresponds to its functional position in the case of providing a capsule drawer, in order to prevent interference with the effective range of the retaining stem, plunger and knife. It has proven particularly expedient with regard to the design of the locking means, if these at least one, preferably via a locking spring element in a locking position spring-loaded latch for, in particular positive cooperation with the closure element in its access opening obstructing the closure position, in particular the capsule drawer in the Functional position, include. Most preferably, two such bars on two opposite sides of the VerBankelennentes, in particular the capsule drawer are arranged.
  • the bars are designed and arranged such that they are adjustable without additional blocking measures (prevention measures) simply by manually adjusting the closure element, in particular pulling out the capsule drawer into a release position, so that they essentially provide a bridged or bridgeable resistance.
  • the at least one latch is associated with a locking latch which is adjustable between a blocking position in a further development of the invention, wherein the blocking latch in its blocking position prevents an adjustment of the latch from its locking position. so that an opening of the access opening, in particular a pulling out of the capsule drawer, is reliably prevented.
  • an embodiment can be realized, in which the blocking bar in its blocking position directly, preferably positively, cooperates with the closure element, in particular the capsule drawer.
  • the blocking bolt is adjustable by means of the drive means of the plunger and / or hold-down in at least one, preferably only one direction, most preferably from its blocking position to its release position. It is provided in a further development of the invention that the blocking bolt against the spring force of a, preferably on a relative to the hold-down stationary abutment supporting return spring by means of the aforementioned drive means from its blocking position is adjustable out.
  • This adjustment movement of the locking bolt is preferably actuated via the hold-down temple or its drive means, wherein it is preferred if the blocking bolt is mechanically, for example, coupled with a driver portion with the hold-down, wherein the driver for this purpose preferably projects beyond the hold-down temple. It is particularly useful in this case if the adjusting movement causes the hold-down temple in a hold-down that relax the return spring and can adjust the locking bar in its blocking position in which the locking bar prevents an adjustment of the bolt out of its locking position.
  • the invention also teaches a method of operating a concept according to the invention
  • a food substrate in particular a dough portion containing capsule is adjusted relative to the knife by means of the hold-down temple, such that the knife penetrates into the capsule, in particular a capsule film and thus opens the capsule and preferably also optionally the Hold-down temple ensures that the capsule is fixed after opening fixed relative to the knife, in particular within the housing of the food preparation device, and very particularly preferably by clamping receiving the capsule, in particular a capsule peripheral edge between the hold-down temple and a support section and / or a stop fixed relative to the knife.
  • the emptying of the capsule is then carried out by Relativverstellen the plunger for hold-down temple, in particular under deformation, very particularly preferred everting the capsule, wherein it in the context of the realization of a preferably coupled adjustment movement of Hold-down punch and plunger is particularly preferred when the hold-down is moved away during the emptying, in particular the deformation of the capsule by means of the plunger from its hold-down position - the positioning function is then taken from the plunger or delivered to this.
  • the plunger may touch the capsule, in particular touched when the hold-down temple reaches an adjustment position in which the capsule lid is opened, in particular a capsule foil is severed.
  • This may, but need not be, the maximum extending hold-down adjustment position, but depending on the interpretation of the adjustment movements can also be made before. It is particularly preferred if during a return movement of the plunger after the emptying process in its starting position of the hold-down temple first passes through its hold-down position, ie adjusted along the adjustment axis in the opposite direction as the plunger to hereby a particularly good wiping effect for stripping a possibly on To reach plunger clamping capsule - after passing through the hold-down position then the plunger is also moved back to its original position.
  • Hold-down punch and plunger with common drive means comprising an eccentric shaft
  • Fig. 4 is an optional capsule drawer one according to the concept of
  • Invention formed capsule handling means comprising a hold-down temple and a relative to this adjustable plunger, a detailed representation of components of locking means for locking the capsule drawer in its functional position, a further representation of components of the locking means, and further details of the locking means
  • FIG. 1 there is shown a preferred embodiment of a capsule opening mechanism of a food preparation device 1 constructed according to the concept of the invention.
  • a capsule 2 with a capsule body 3, for example made of plastic or a light metal alloy, which is closed with a lid film 4, which is sealed in the region of a circumferential, radially projecting peripheral edge 5 with the capsule body 3.
  • a peripheral circumferential or annular groove 6, into which a knife 7 formed as a ring knife can dip during the opening process and thereby puncture the cover film 4.
  • the food preparation device 1 capsule handling means 8 For the opening and emptying operation of the capsule 2, in which a not shown food substrate, in particular a dough portion is included, the food preparation device 1 capsule handling means 8. These in turn comprise the aforementioned knife 7, which for example fixed in a housing or alternatively, for example, in a later can still be arranged to be explained capsule drawer. For opening and emptying of the capsule 2, this must in any case be brought into an effective range between the knife 7 and a hold-down punch 9 and a (emptying) plunger 10. Hold-down punch 9 and plunger 10 are components of the capsule handling means 8. The hold-down punch 9 can be adjusted relative to the plunger 10, and along to an adjustment axis V, preferably with common drive means for hold-down punch 9 and plunger 10th
  • the hold-down temple 9 serves to force the capsule 2, here in the rear region of the peripheral edge 5, so as to adjust the capsule 2 against the knife 7, so that this in the capsule 2, more precisely in the present case dip the downwardly facing cover sheet 4 and thus can open the capsule 2.
  • the hold-down temple 9 serves to hold down, ie to position the capsule 2 relative to the knife 7, by clamping the capsule 2 between the hold-down temple 9 and in this case a stop 1 1, which is fixedly positioned relative to the knife 7.
  • FIG. 2 shows a capsule-opening module comprising the hold-down punch 9, which extends in the circumferential direction around the plunger 10.
  • Plunger 10 and hold-down temple 9 are adjustable via common drive means 12. These include an eccentric shaft 13, which is rotatable about a rotation axis R with a drive motor, not shown.
  • the eccentric shaft 13 comprises a first, radially with respect to the axis of rotation protruding eccentric 14, to which by means of a first lever 15 of a first lever assembly of the plunger 10 is articulated.
  • the drive means 12 comprise two second, along the eccentric shaft 13 spaced-apart eccentric 16, with which the hold-down temple 9 each articulated via a second lever 17 of a second lever arrangement connected is.
  • the plunger 10 can also have more than one lever
  • both the hold-down punch 9 and the plunger 10 along the adjustment axis indicated in Fig. 1 are adjusted and relative to each other to meet the explained with reference to FIG. 1 functionality.
  • Fig. 3 shows schematically the structure of the drive means 12, which has been omitted for reasons of clarity on the representation of the electric motor.
  • the eccentric shaft 13 with its eccentrics 14, 16 is marked here is the axis of rotation R of the eccentric shaft 13, by which this is rotatable by means of the electric motor for adjusting hold-down punch 9 and plunger 10.
  • Fig. 4 shows an optional capsule drawer 18 which relative to a housing, not shown, the food preparation device 1 between a loading position arranged outside the housing and a within the housing arranged functional position is adjustable through a housing opening.
  • the knife 7 is located in the capsule drawer 18 and is arranged around a passage opening 19, through which a portion of the substrate emptied from the capsule 2 can pass in the direction of the preparation means not shown. Outside the knife 7 is an already mentioned support portion 20, which offers a bearing surface 21 for the capsule 2, more precisely the peripheral edge.
  • the capsule 2 In the loading position, the capsule 2 can be placed with its lid down on the support surface 21.
  • the support surface 21 is surrounded by a centering or peripheral edge 22.
  • the assembly comprising the support portion 20, the knife 7 and the return spring means 23 is resiliently mounted in the concrete embodiment about Toleranzaus Diseases- spring means 24, here exemplarily relative to a drawer housing 25, so that the knife 7 at an angle to the adjustment axis V relative to the hold-down temple 9 aligned, in particular parallelisable is at uneven application of force by different degrees of compression of spring elements (shown here by way of example as compression springs, which are arranged in the circumferential direction about the adjustment axis V) of the spring means 24th
  • FIGS. 5 to 13 wherein according to a preferred embodiment a capsule drawer 18, previously explained with reference to FIG. 4, is provided, with which the capsule 2 in an effective range between retaining punch and plunger and knife can be brought - alternatively, an embodiment without drawer 18 can be realized with the same operating principle of hold-down punch and plunger.
  • the drawer 18 is already in its functional position within the device housing. In this functional position, the capsule drawer 18 has been moved by moving into the housing, starting from a loading position located outside the housing, in which the capsule drawer 18 with the capsule 2, as shown, was equipped manually upside down.
  • the capsule 2 is located along the adjusting axis V explained in connection with FIG. 1 axially between the knife 7 formed as a ring knife and the combination of plunger 10 and hold-down punch 9 which is shown by levers (only the one shown in FIG Lever 15 for the plunger 10) are pivotally connected to the eccentric shaft 13 which is rotatable about the axis of rotation with an electric motor, not shown.
  • the home position i. the non-extended state of plunger 10 and hold-down temple 9 is shown.
  • the eccentric shaft 13 as shown in Fig. 5 is rotated - offset by the circumferential direction articulated coupling of hold-down punch 9 and plunger 10 with the eccentric shaft 13, these do not move uniform along the adjustment axis V but also relative to each other.
  • locking means 26 concretely a locking bar 34 adjusted.
  • the blocking bar 34 is thereby moved in the direction of a blocking position which has not yet been fully reached in FIG. 7 and which is in fact actuated via the return spring 36, so that the latch 27 engages positively the capsule drawer 18 remain and thus block or lock in the housing.
  • FIG. 9 shows a state of the capsule handling means shortly before reaching the maximum extended hold-down position of the hold-down temple 9.
  • the knife 7 now begins to penetrate the capsule lid.
  • the maximum extended position (hold-down position) of the hold-down temple 9 is reached.
  • the support portion 20 is compressed against the spring force of return spring means and abuts against a relatively fixed to the knife 7 positioned stop.
  • the capsule 2 is opened - the knife 7 is maximally far hineinver reinstate in the annular groove 6 of the capsule 2.
  • Fig. 10 is the lever assembly (lever system) of the hold-down temple 9, which connects this articulated with the eccentric shaft 13 at its dead center.
  • the plunger 10 is hineinver Robinson in the capsule 2 bottom side and deforms them.
  • the capsule 2 is everted, ie the capsule bottom is moved in the direction of the open capsule lid down.
  • the food substrate portion in the present case a dough portion through the passage opening 19, can pass through to preparation means (not shown). arrive or fall in the present case.
  • the hold-down punch 9 lifts off from the capsule by means of the explained further movement or rotation of the eccentric shaft during the capsule deformation process, ie moves back from the maximally extended hold-down position back in the drawing plane upwards along the adjustment axis V. ,
  • the eccentric shaft 13 is rotated back, whereby the plunger in the plane of the drawing upwards along the adjustment axis V is moved away from the capsule 2, while the hold-down stamp 9 first again in its hold-down position, i. is moved with the capsule 2 to or against the capsule 2. Because of this Relativverstellterrorism the hold-down temple works as a scraper or wiper means 39 for stripping a possibly on the plunger 10 clamping capsule.
  • the hold-down punch 9 moves back to its original position, which is shown in Fig. 13.
  • the hold-down temple 9 lifts over the driver 38, the blocking bar 34 out of its blocking position and against the spring force of the return spring 36, so now the capsule drawer 18 can be manually removed again with the empty capsule from the housing.
  • FIGS. 14 to 16 A preferred embodiment of locking means 26 is shown with reference to FIGS. 14 to 16, these comprise in the embodiment shown two opposing bars 27, of which only one is shown.
  • the latches 27 are spring-loaded via locking spring means 28 in the locking position shown, in which they engage positively in a respective recess 29 in a side wall 30 of the capsule drawer 18.
  • the recess 29 is in a direction of insertion of the capsule drawer 18th a ramp 31 upstream, whereby upon insertion of the capsule drawer 18 into the housing, the bolt 27 and the locking spring means 28 initially spring over the ramp 31 and then rebound into the locking position and lock in the associated recess in the capsule drawer 18.
  • the capsule drawer 18 is positioned in the housing in its operative position when the latches 27 are engaged in their associated recess 29.
  • the flanks 32 and their flank angle and the associated locking contour 33 are coordinated or designed so that the latching of the latch 27 can be solved by manual pulling on the capsule drawer 18.
  • the locking means 26 comprise a locking bar 34 (see Fig. 15), which is adjustable from a release position into a blocking position (see Fig. 15) in which it blocks an adjusting movement of the bolt 27 from its locking position.
  • the blocking bolt 34 is in the blocking position in the region of a bolt end face 35 (see FIG. 14), which faces away from the recess 29.
  • a return spring 36 acts on the blocking bar 34 in the illustrated blocking position.
  • FIG. 16 This mode of operation is shown in FIG. 16. It can be seen there the return spring 36, which is supported on an abutment 37 which is arranged stationary relative to the hold-down temple 9.
  • the return spring 36 is overlapped in the plane of the drawing upwards by a driver portion 38 of the locking bolt 34, wherein the driver portion 38 in the plane of the drawing on top of the Hold-down temple 9 is supported, so that the driver portion 38 and thus the blocking bar 34 in a movement of the hold-down temple 9 in the plane upwards, ie from its extended, in the direction of knife 7 adjusted position away against the spring force of the return spring 36 from its blocking position to its release position becomes adjustable.
  • the locking means may alternatively cooperate with a differently shaped closure element in the manner described in order to prevent unauthorized engagement by an access opening for the capsule, in particular a housing opening safely.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Food-Manufacturing Devices (AREA)

Abstract

L'invention concerne un dispositif de préparation d'aliment (1), en particulier un dispositif de cuisson au four pour préparer, en particulier former et cuire, un produit alimentaire, de préférence un pain plat, à partir d'une portion de substrat contenue dans une capsule (2), en particulier une portion de pâte, comprenant un corps, des moyens de préparation comprenant notamment au moins une plaque de cuisson, et des moyens de manipulation de capsule (8) pour ouvrir et vider la capsule (2), les moyens de manipulation de capsule (8) comprenant un couteau (7) pour ouvrir la capsule (2) ainsi qu'un piston (10) déplaçable relativement à la capsule (2) et au couteau (7) à l'aide de moyens d'entraînement (12), pour appliquer une force, en particulier une force de déformation, à la capsule (2), les moyens de manipulation de capsule (8) comprenant une matrice de serrage (9) déplaçable relativement au piston (10) qui permet d'appliquer une force à une capsule (2), en particulier dans la zone d'un bord périphérique de celle-ci qui fait saille radialement, afin de déplacer la capsule (2) en direction du couteau (7) et de perforer ainsi la capsule (2), en particulier une feuille d'opercule de la capsule, au moyen du couteau (7).
EP17703332.1A 2017-01-17 2017-01-17 Dispositif de préparation d'aliment comprenant un piston d'expulsion et une matrice de serrage Withdrawn EP3570674A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2017/050846 WO2018133917A1 (fr) 2017-01-17 2017-01-17 Dispositif de préparation d'aliment comprenant un piston d'expulsion et une matrice de serrage

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EP3570674A1 true EP3570674A1 (fr) 2019-11-27

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EP17703332.1A Withdrawn EP3570674A1 (fr) 2017-01-17 2017-01-17 Dispositif de préparation d'aliment comprenant un piston d'expulsion et une matrice de serrage

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WO (1) WO2018133917A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102144897B (zh) * 2010-02-05 2014-05-28 漳州灿坤实业有限公司 自制面包的方法、面包机和面包配料盒
WO2013124809A2 (fr) 2012-02-22 2013-08-29 Flatev Ag Machine à fabriquer des galettes utilisant un procédé de préparation automatique des galettes basé sur des capsules de pâte et un système de conditionnement
DE102015205706A1 (de) * 2015-03-30 2016-10-06 BSH Hausgeräte GmbH Gerät zur Herstellung eines Backerzeugnisses

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