• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Apparatus for preparing food doughs. The invention relates to an apparatus for preparing food doughs (1), which integrates an arrangement of tools driven by a planetary drive, comprising a kneading hook (8) as a main tool, the axis (b) of said tool is coupled to the planetary drive unit for rotating the tool about a main axis of rotation (a) and, in turn, rotating on itself. It also includes an auxiliary tool (100), comprising a scraper (6) and a blade (12), both rotate concentrically around the main axis of rotation (a) in the opposite direction to the rotation of the kneading hook (8), with which interact during the kneading. The scraper (6) separates the mass of the bowl (4), supplying said mass to the kneading hook (8) that stretches it, bends, at the same time that it pushes and cuts it against the blade (12) in a cyclic way, until obtaining a completely homogeneous mass. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2642376A1
    申请号:ES201600316
    申请日:2016-04-15
    公开日:2017-11-16
    发明作者:José Antonio TAPIA BELTRÁN
    申请人:José Antonio TAPIA BELTRÁN；
    IPC主号:
    专利说明:

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    APPARATUS TO PREPARE FOOD MASSES
    D E S C R I P C I O N
    TECHNICAL SECTOR
    The present invention falls within the technical sector of appliances for culinary use, preferably, but not limited to, doughs made from flours, such as breads, rolls and cakes, of the type comprising a bowl type bowl , where the ingredients to be mixed are placed, arranged statically on the lower part of a frame, on the other hand, the upper part of said frame, which is capable of tilting, serves as a support for an electric motor that drives an arrangement of tools through a planetary transmission, which includes a kneading hook as the main tool, which by itself is unable to perform satisfactory work when it comes to making thick doughs, with highly viscoelastic properties, such as bread dough and breadcrumbs. To adapt the work of kneading by the kneading hook and obtain a fully satisfactory result, said kneading hook interacts with an auxiliary tool, which in turn comprises two utensils: a scraper and a blade that rotate jointly in the opposite direction to the rotation of the kneading hook, thus performing a synergistic work between both tools.
    BACKGROUND OF THE INVENTION
    The devices for culinary use, as well as, the blenders that are used in the elaboration of products in the bakeries and pastries, are mostly of the so-called planetary blenders, of which they comprise a cylindrical container or bowl, positioned statically, and an arrangement of tools that orbit the top of said bowl, so that the tools intended for mixing, beating and kneading move very close to the walls of the container during its orbital path, specifically when the ingredients are used to make doughs stick to the inner walls
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    from the bowl, especially at the beginning, when they are partially hydrated, which makes it necessary to stop mixing and use a hand spatula to peel off the ingredients that have remained attached around the inner walls of the bowl.
    In the patent documents, WO 2007007202 A2, WO 2011141690 A1, a solution is proposed to this problem by incorporating a scraper made of elastomeric material adjusted to its external contour, which is designed specifically for the purpose of detaching the ingredients. that adhere to the walls of the bowl during its rotation, at the same time that the shovel performs the mixing of said ingredients.
    In patent document US4946285 A, the solution is presented with a scraper for the bowl made of an elastomeric material, designed to be anchored to the rotary plate of the blender independently of the mixing blade by means of a rigid support, so that the scraper rotates from concentric way to the axis of axial symmetry of the bowl, while maintaining contact with its walls continuously throughout the revolution, and thus prevents the ingredients from sticking.
    The solutions outlined in the aforementioned patent documents are only valid for soft doughs or mixtures used in pastry products such as broken dough, choux pastry, cookie dough, Danish pasta, etc., whose rheological or viscoelastic properties allow them to be processed Through this technique.
    Very different is what happens when planetary blenders are used for the purpose of obtaining bakery doughs, which have highly viscoelastic properties, whether it be bread or bread, due to the intensive work to which they are subjected, since the strength of the dough increases during the formation of the gluten network, presenting a greater resistance to be processed depending on the degree of kneading, which prevents the solutions described above when using this type of dough can be used, due to the inadequate geometry of the mixing blades and their respective scrapers.
    At present, almost all planetary blenders use a simple spiral-shaped hook to knead, of which a patent is known, with reference to WO 1998020740 A1.
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    The use of the kneading hook as a single tool presents significant problems when processing the dough: first, when starting kneading, if the dough has a medium-high hydration, that is, between 65% and 80% of water with respect to 100% flour, the ingredients adhere to the walls of the bowl, whereby the hook is unable to mix and process the ingredients that have to form the dough, this makes it necessary to stop the kneading process and use a spatula to detach the ingredients from the walls of the bowl and thus be able to continue with the process, even so, the dough is likely to continue adhering, making it necessary to repeat this operation continuously and cyclically. In the opposite case, if the dough has a rather low hydration, that is to say between 45% and 55% of water, the dough is wrapped around the hook turning in solidarity with it, stop kneading it and raising its temperature due to rubbing continued from the dough against the walls of the bowl.
    Anyway, even though the dough is at the optimum hydration point, that is approximately 60% and with adequate consistency, the kneading process becomes longer than adequate, increasing the dough temperature, because between the dough, the hook and the walls of the bowl only exist friction and adhesion, that is to say, it does not have any tool that interacts jointly with the kneading hook, that is within its trajectory and intercepts the dough as it happens with the kneaders of the so-called spiral type, where the bowl, with its rotation continuously supplies dough to a spiral-shaped kneading hook, which moves the dough against a fixed blade or a cylinder, both arranged vertically, in order to stretch, fold and cut the dough. There is knowledge of the international patent application WO 2011086291, which describes a food processing apparatus, comprising a kneading hook immersed in a bowl, which rotates driven by a motor, following a planetary movement inside the container and of a counter-tool in solidarity with a turntable, which rotates in the opposite direction to the kneading hook, in order to collaborate both tools and thus to be able to stretch, laminate and fold the dough.
    The international patent application WO 2014037663 A1, filed by the same applicant, is a refinement of the previous one, in which the geometry of the counter-tool has been modified, to avoid the motor overload that drives the tools in charge of kneading, in order to prevent it from overheating.
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    Such a combination of a kneading hook and a counter-tool that cooperates in the manner described above, improves the kneading process in part, as we have explained previously in the present patent application, although it continues to present the problem that in both cases the counter-tool is far from the walls of the bowl and, consequently, especially in masses of medium-high hydration there is an amount of remaining mass adhered to the walls of the bowl, which does not get to mix with the rest of the dough to process , which prevents obtaining a homogeneous mass, which makes it necessary to stop mixing and use a hand spatula to detach the dough that has remained adhered around the inner walls of the bowl.
    In the international patent application WO 2009153250 A1 a food processing apparatus is described, which has a kneading hook, whose axis is arranged obliquely, forming an acute angle with respect to the axial symmetry axis of the bowl of the apparatus, with the purpose of achieving a greater range of action during kneading. The apparatus described in said patent application has a deflector that rotates in the opposite direction to the kneading hook, designed with the purpose of preventing the processed dough from rising towards the top of said kneading hook and coming into contact with other parts of the apparatus They are not convenient.
    With the techniques described above, certain improvements in kneading are achieved, as long as the dough has adequate consistency and degree of hydration, this is due to what has already been said, that between the dough, the hook and the walls of the bowl there is only friction and adhesion, that is, there is no tool that interacts jointly with the kneading hook, therefore, if the dough has a high hydration point, such as the baguette and ciabatta, said dough adheres to the walls of the bowl preventing the hook from performing its task, making it necessary to use a spatula to detach it from the walls of the bowl, in the opposite case of having a hydration point too low, the dough will roll very often around the kneading hook, turning in a vacuum, that is, without load, without being able to process it, rubbing it against the walls of the bowl and consequently increasing the end temperature to that of the dough, at the same time that the kneading time is prolonged.
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    DESCRIPTION OF THE INVENTION
    In order to achieve the objectives and avoid the inconveniences mentioned in the previous sections, the invention proposes an apparatus for preparing food doughs, which integrates a disposition of tools driven by a planetary drive, whose purpose is to mix and knead the contained ingredients. in a bowl, preferably, but not limited to, doughs made from flour, such as breads, buns and cakes.
    With this invention, the dough does not remain adhered to the walls of the bowl and, therefore, it is not necessary to use any external means, such as a spatula to detach the dough from said walls of the bowl, a process that forces stop kneading, in addition, among other advantages, it should be noted that the kneading time is significantly shortened, while obtaining a more homogeneous mass and, consequently, a finished product of higher quality, of greater volume and optimum texture.
    The explanation of why this significant improvement is found in the combination of the tools involved in the mixing and subsequent kneading of the ingredients. This combination consists in the use of a kneading hook as the main tool, which interacts simultaneously with an auxiliary tool that, in turn, comprises two utensils: a scraper and a blade, performing a synergistic work between the two tools, operating as follows mode: the kneading hook in a planetary movement starts mixing the ingredients during which the flour is hydrated, from this moment until the dough takes consistency the phase of the kneading process is considered during which there is a greater tendency for the The mixture adheres to the walls of the bowl, to prevent this from happening and precludes kneading, the scraper and the blade rotate simultaneously with the kneading hook around a main rotation axis.
    Said scraper rotates without losing contact with the walls of the container, separating the mass of said walls and, in turn, directing the mass flow towards the kneading hook,
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    that rotates on itself and in the opposite direction, stretching, bending and, at the same time pushing and cutting the dough against the blade in a cyclical way, producing a clean cut by shear and, successively, until it is completely homogenous.
    The apparatus object of the invention comprises a frame that serves in its lower support part of a bowl type container, in which the ingredients to be mixed and subsequently kneaded are introduced, while the upper part of said frame is tiltable and acts as a support for an engine that drives a planetary drive and, together, forms a planetary drive unit.
    The apparatus for preparing food doughs further comprises an arrangement of tools driven by the planetary drive unit, which includes as a main tool a kneading hook with a helical shape. The kneading hook is integrated by a shaft at the top and then a disk from which the hook itself is presented helically.
    The axis of the kneading hook has a union system, which can be quickly coupled and disengaged to the planetary drive unit by a small turn. The axis of said kneading hook, in a planetary movement, rotates around a main rotation axis, which is collinear to the axial symmetry axis of the bowl, while rotating on itself.
    The arrangement of tools of the invention also comprises an auxiliary tool, which includes a scraper of elastomeric material, whose lip adapts to the profile of the walls of the bowl. Said scraper due to its lack of rigidity is attached to a support of the scraper, to avoid deformations before the forces acting on it during the process of separating the dough from the walls of the bowl. It also comprises a triangular section knife, whose lower end is close to the bottom of the bowl, preferably, but not limited to, between 2 and 10 mm.
    On the other hand, the scraper support and the blade are arranged parallel to the main rotation axis, connected by a bridge support, forming an inverted U, with
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    ability to quickly engage and disengage a rotating plate, which is located in the upper part of the frame, which rotates on the main rotation axis which, in turn, is collinear to the axis of axial symmetry of the bowl.
    An important feature of the invention is that the blade and the scraper rotate concentrically around the main rotation axis, integral with the kneading hook and this, in turn, rotates on itself in the opposite direction, on a secondary rotation axis in A planetary movement.
    According to another characteristic of the invention, the bridge support in its central part preferably has, but not limited to, an oblong hole.
    On the other hand, the rotating plate has a projection whose geometry can vary and which, preferably, is oblong in order to adjust to the dimensions of the oblong hole of the bridge support, in order to be able to fit both precisely.
    The bridge support preferably comprises, but not limited to, two springs designed specifically, symmetrically arranged, whose curved ends are inserted into grooves made on the perimeter wall of the projection of the rotating plate, in order to axially fix the bridge support to the rotating plate quickly, where the mentioned highlight is positioned at the bottom of the rotating plate.
    The bridge support, in turn, comprises two symmetrically arranged push buttons whose purpose is to be able to release the axial fixation between the bridge support and the rotating plate by applying a force on both buttons simultaneously, whose point of application of said force is located in the center of each spring, until both springs are arched and their ends perform a movement of oscillation on axes located at the beginning of the curve of each end of the spring, during which, said ends are separated from the grooves simultaneously and thus, the axial fixation is free. Preferably, the number of slots will be four.
    The invention also comprises a means to prevent the collision of the scraper holder against the walls of the bowl during the tilting of the apparatus. Said means comprises a
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    sensor that detects the position in which said support of the scraper is and sends a signal only after having operated the switch to turn off the device, giving the order to interrupt the power supply of the motor of the planetary drive unit, preferably, although not limited by means of a relay or contactor, according to the power to be commanded, causing the scraper support to always stop in the same position, called position 0, in which there is no possibility of collision.
    In another alternative of preferred embodiment, the rotating plate having slots is coupled to the rotating plate without slots of other commercialized devices. Thus, the coupling of the rotating plate with grooves on devices already commercialized is intended to fix the bridge support to the rotating plate axially quickly. In this way, the rotary plate with axial fixing grooves is attached to the rotary plate without grooves of the apparatus in commercialized devices and the new tool arrangement described in the present invention is quickly coupled.
    Optionally, the scraper support, the blade and the bridge support can constitute a single element, simplifying the structure of the device.
    To avoid the collision of the scraper holder against the walls of the bowl during tilting, in other commercialized devices in which the tool arrangement of the present invention is used, (since these devices do not normally have these positioning means for arrangement of tools), a positioning axis assembly is provided, which comprises a maneuvering wheel, which through a cradle clutch rotates a positioning axis by rotating said maneuvering wheel and, in turn, allows said positioner shaft rotate freely, thus preventing the maneuvering wheel from turning inadvertently during operation of the device. Said positioning axis is coupled to the transmission output shaft, usually of the female type and with a hexagonal or square shape, which have this type of apparatus to be able to operate various auxiliary accessories. On the other hand, the positioning shaft assembly is supported by a body, preferably cylindrical, although not limited to, which has a means of quick fixation to the frame of the apparatus. The positioner axis assembly works as follows: by rotating the transmission output shaft of the device externally by turning the steering wheel, whose ratio is 1: 1,
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    Simultaneously, the planetary drive unit of the apparatus also rotates and, therefore, the arrangement of tools, which, since it is a direct relation, rotates exactly the same angular degrees as the operating wheel and thus, in this way the position can easily be positioned. arrangement of tools before tilting the device, preventing the scraper holder from colliding against the walls of the bowl. It should be noted that the geometric shape of the end of the shaft that is coupled to the transmission output shaft of the device, as well as, the shape of the quick fixing means to the frame of the device depends on each manufacturer and the model. On the other hand there are devices to prepare food masses of the planetary type that do not need to swing and, therefore, there is no risk of collision, because the bowl rises and falls vertically, supported by lateral guides, driven by rotation of a crank, or by an electric drive, depending on the size and capacity of the device.
    Optionally, the frame of the apparatus for preparing food masses is formed by a single piece, which provides greater robustness, very important especially in devices of greater size and capacity.
    DESCRIPTION OF THE DRAWINGS
    To complement the description that will then be carried out and in order to help a better understanding of the features of the invention, according to a preferred example of practical realization thereof, a set of drawings is accompanied as an integral part of said description. where, with an illustrative and non-limiting nature, the following has been represented:
    Figure 1 shows a perspective view of an apparatus for preparing food dough according to the invention, in which an arrangement of tools can be seen through a section made in the bowl.
    Figure 2 shows a perspective view of the apparatus for preparing food dough according to the invention, represented in Figure 1, seen in a tilted state.
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    Figure 3.- Shows a perspective view of the apparatus for preparing food doughs according to the invention, showing the arrangement of tools in an exploded view.
    Figure 4 shows a perspective view of the apparatus according to a second preferred embodiment for preparing food doughs according to the invention, showing the arrangement of tools in exploded view, in which an example of a rotating plate with axial fixing grooves is included. arranged to be coupled to the rotating plate of other commercialized devices that do not have said slots.
    Figure 5 shows a perspective view of the apparatus, represented in Figure 3, for preparing food dough according to the invention, in which the arrangement of tools can be seen by means of a section practiced in the bowl and, in its upper part A planetary drive.
    Figure 6 shows an exploded view in an example of the rotating plate with axial fixing grooves according to the invention, shown in Figure 4, arranged to be coupled to the rotating plate of other commercialized devices that do not have said grooves.
    Figure 7 shows a sectional view in an example of the rotating plate with axial fixing grooves according to the invention, coupled to the rotating plate of other commercialized devices that do not have said grooves.
    Figure 8 shows an exploded view of a scraper and a scraper support, which according to the invention are part of the tool arrangement, specifically the scraper is one of the two utensils that are part of the auxiliary tool.
    Figure 9 shows a sectional view of the scraper and scraper support assembled, showing a means of attachment, according to the invention.
    Figure 10.- Shows a perspective view of a blade that according to the invention is part of the tool arrangement, specifically one of the two utensils that are part of the auxiliary tool.
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    Figure 11.- Shows a sectional view of the blade according to the invention, represented in figure 10.
    Figure 12.- Shows a perspective view of a kneading hook that according to the invention is part of the tool arrangement, specifically as the main tool.
    Figure 13.- Shows a partial sectional view of the axial fastening system of the auxiliary tool to the rotating plate through the bridge support according to the invention, in which it is appreciated that both are locked.
    Figure 14.- Shows a sectional view of the axial fixing system of the auxiliary tool to the rotating plate through the bridge support according to the invention, in which it is appreciated that both are locked.
    Figure 15.- Shows a partial sectional view of the axial fixing system of the auxiliary tool to the rotating plate through the bridge support according to the invention, in which it can be seen that both are unlocked.
    Figure 16.- Shows a sectional view of the axial fixing system of the auxiliary tool to the rotating plate through the bridge support according to the invention, in which it is appreciated that both are unlocked.
    Figure 17.- It shows a detail view in partial section of the axial fixing system of the auxiliary tool to the rotating plate through the bridge support according to the invention, in which it can be seen that both are locked.
    Figure 18.- Shows a detail view in partial section of the axial fixing system of the auxiliary tool to the rotating plate through the bridge support according to the invention, in which it is appreciated that both are unlocked.
    Figure 19.- Shows a perspective view of the positioner shaft assembly anchored to the frame of the apparatus for preparing food doughs, arranged to position so
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    manual the provision of tools, according to the invention.
    Figure 20.- Shows a perspective view of the positioner axis assembly separated from the apparatus for preparing food masses, showing the transmission output shaft of the apparatus according to the invention.
    Figure 21.- Shows an exploded view of the positioning axis assembly of the apparatus for preparing food dough according to the invention, showing all the parts that compose it.
    Figure 22.- Shows a sectional view of the positioning axis assembly of the apparatus for preparing food dough according to the invention
    Below is a list of the different elements represented in the figures that make up the invention:
    1 = Apparatus for preparing food doughs
    2 = Upper part of the device frame
    3 = Bottom of the device frame
    4 = Bowl
    5 = Transparent safety cover
    6 = Scraper
    7 = Scraper holder 8 = Kneading hook
    9 = Spiral of the kneading hook
    10 = Kneading hook disk
    11 = Kneading hook shaft
    12 = Blade
    13 = Blade edge
    14 = Bridge support
    15 = Push button
    16 = Spring for axial fixation
    17 = Rotating plate
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    17a = Attachable rotating plate
    18 = Rotary plate slots
    18a = Attachable rotary plate slots
    19 = Rotating plate through hole
    19a = Interchangeable rotating plate through hole
    20 = Attachment plate fixing screw
    21 = Rotating plate without grooves
    22 = Bayonet type female coupling
    23 = T junction medium
    24 = Planetary drive shaft
    25 = Spring shaft
    26 = Positioning shaft assembly
    27 = Steering wheel
    28 = Lever knob
    29 = Positioner male coupling
    30 = Positioner female coupling
    31 = Positioning axis
    32 = Transmission output shaft
    33 = Lever shaft
    34 = Needle bush
    35 = Cradle clutch
    36 = Flywheel cap
    37 = Seeger type retaining ring
    38 = Retaining washer 100 = Auxiliary tool A = Main rotation axis
    B = Secondary rotation axis
    PREFERRED EMBODIMENT OF THE INVENTION
    In a preferred but not exclusive embodiment, the apparatus (1) for preparing masses
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    food, which integrates an arrangement of tools driven by a planetary drive according to the invention, as illustrated in Figures 1 and 5, comprises a frame divided into two parts (2) and (3), a lower part of the frame (3) , which is fixed, which serves as a support for a removable bowl type bowl (4), which consists of a tank, whose bottom is concave and, is symmetrical with respect to a vertical central axis, while an upper part of the frame (2 ), acts as a support for an engine, (not shown in the figures), which drives a planetary drive, consisting of a train of epicyclic gears, as illustrated in Figure 5 and, both together, form a planetary drive unit which drives the provision of tools.
    On the other hand, the upper part of the frame (2), arranged in a horizontal position during the kneading phase, is tiltable from a horizontal plane to an inclined plane of approximately 45 degrees, as shown in Figure 2, for this purpose. In this way, to be able to extract the bowl (4) and exchange the tool arrangement.
    In the example shown in Figure 1, the means for driving the arrangement of tools in a planetary movement can be observed, for this purpose, the actuating means comprise a rotating plate (17), which rotates on itself, rotating on a vertical rotation axis A, considered as the main axis, which, as can be seen in the example shown, is collinear to the axial symmetry axis of the bowl (4), passing exactly through the center of the container.
    In turn, the rotating plate (17), comprises a through hole (19), represented in Figure 3, arranged eccentrically, which allows the axis of the main tool, known as the kneading hook (8), to pass through. which is actuated to rotate on a vertical rotation axis B, considered as a secondary axis, and, as seen in the example shown, is parallel to the main rotation axis A, around which the main tool rotates, rotating on itself and , as already mentioned above on the axis of vertical rotation B, which according to the examples shown in Figures 1 and 3, is located at a distance between 20 and 40 millimeters of the main rotation axis A, distance that may vary depending on the diameter of the bowl (4).
    In this preferred embodiment, represented in Figure 3, we can see the provision of
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    tools in an exploded perspective view, described in order from top to bottom, as they are coupled, for later operation. According to the example represented in figures 3, 4 and 5, it comprises the rotating plate (17), driven by the planetary drive unit, (not shown in the figures), which has a projection that emerges from the lower base itself rotating plate comprising grooves (18) made on the perimeter wall of the shoulder of the rotating plate (17) for axial fixing, in order to couple and fix an auxiliary tool (100) to said rotating plate (17) and, a in turn, of the through hole (19) arranged eccentrically, which allows the passage of the shaft (11) of the kneading hook (8), which is actuated by an axis of the planetary drive (24) through a female coupling Bayonet type (22).
    According to the examples represented in figures 3 and 4, the auxiliary tool (100) is basically composed of two tools: a scraper (6) and a blade (12), shown in figures 8 to 11.
    The scraper (6) is made of an elastomeric material, preferably with a hardness between 80 and 100 shore A, and to provide it with greater rigidity, it is attached to a scraper support (7), by means of a T-joint ( 23), which makes it easy to replace. On the other hand, the blade (12) and the scraper support (7), both are connected perpendicularly to each of the respective ends of a bridge support (14) and, arranged parallel to each other, forming between all three an inverted U, capable of quickly coupling and decoupling to the rotating plate (17) through an oblong hole made in the bridge support (14), in which the oblong shoulder of the rotating plate (17) fits.
    The bridge support (14) as part of the auxiliary tool (100) preferably comprises, but not limited to, two springs for axial fixing (16), arranged symmetrically, whose curved ends are inserted into the grooves ( 18) of the rotating plate made on the perimeter wall of the projection of the rotating plate (17), in order to axially fix the bridge support (14) to the rotating plate (17), quickly. On the other hand, the bridge support (14) has two pushbuttons (15) arranged symmetrically, which experience an F1 force in the direction of the arrow, exerted by the spring preload force for axial fixation ( 16). That force, to
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    in turn, it retains the ends of the springs for axial fixation (16) within the slots of the rotating plate (18), as can be seen in Figures 13, 14 and 17, so that by applying a force F2 in the direction of the arrow on both push buttons (15) simultaneously, the axial fixation between the bridge support (14) and the rotating plate (17) is released, as can be seen in figures 15, 16 and 18, of the following mode: the push buttons (15) transmit said force by applying it on the center of each spring for axial fixation (16), so that both arc simultaneously, then its ends perform a movement of oscillation on some axes of the spring (25 ) located at the beginning of the curve of each of its ends, during which said ends leave the slots (18) of the rotating plate, simultaneously releasing the axial fixation. The number of slots (18) of the rotating plate will preferably be four.
    The scraper (6) is characterized in that it comprises a straight part and a curved end, which allows it to reach the bottom of the bowl (4) and, in turn, because it has the T-shaped groove, arranged along The entire face that is in contact with the scraper support (7), as can be seen in Figures 1, 8 and 9. As already mentioned, it is made of an elastomeric material, this allows your lip to adapt to the internal walls of the bowl (4) without losing contact with them during its rotating movement.
    The scraper support (7) made of rigid material, is characterized in that it comprises a straight part and a curved end that allows it to reach the bottom of the bowl (4) and, in turn, because it has a shaped projection of T, arranged along the entire face that is in contact with the scraper (6), as can be seen in Figures 1, 8 and 9.
    The T-joint means (23), is characterized in that it is formed by the T-shaped shoulder of the scraper support (7), which fits into a T-shaped groove arranged in the scraper (6), as You can see in figures 8 and 9.
    The blade (12) is characterized in that the geometry of its blade as can be seen in Figures 10 and 11, is formed by protrusion by projection from an isosceles triangular section, and is arranged so that the lower end is next at the bottom of the bowl (4), preferably, but not limited to, between 2 and 10 mm, as
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    You can see in figure 1.
    According to the example represented in Figure 12, the kneading hook (8) is characterized in that it comprises three different parts: in the lower part a spiral of the kneading hook (9), which mixes the ingredients and removes the dough inside the bowl ( 4), in the middle part a disk of the kneading hook (10), which prevents the dough from rising through the spiral of the kneading hook (9) and coming into contact with other parts of the unwanted apparatus, and in the upper part the kneading hook shaft (11), previously named, which connects to the bayonet type female coupling (22).
    According to an essential feature of the invention, the two utensils: blade (12) and scraper (6), rotate coupled to the rotating plate (17) through the bridge support (14), around the main axis of rotation A of shaped in solidarity with the kneading hook (8) and, rotating the kneading hook (8) on a secondary rotation axis (B), circling on itself, in a planetary translation movement around the main rotation axis (A), in counterclockwise direction of the scraper (6) and the blade (12), as can be seen in figure 1.
    The invention also comprises a means for preventing the collision of the scraper holder (7) against the walls of the bowl (4) during the tilting of the apparatus, said means comprising a sensor, (not shown in the figures), which detects the position in which is the support of the scraper (7) and sends a signal ordering to interrupt the power supply of the motor of the planetary drive unit, only after having operated the switch to turn off the device, preferably, but not limited to, by means of a relay or contactor, according to the power to be commanded, (not shown in the figures), causing the scraper support (7) to always stop in the same position, called position 0, in which there is no possibility of collision.
    In an alternative embodiment, according to the example depicted in Figures 4, 6 and 7, an attachable rotating plate (17a) is included, which comprises the same coupling and fixing means as the rotating plate (17) for coupling with the auxiliary tool (100). Advantageously, the presence of the attachable rotating plate (17a) allows the coupling to a rotating plate without grooves (21) of another apparatus for making doughs, which
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    do not have the coupling and fixing means for the auxiliary tool (100).
    In the images shown in Figures 6 and 7, the coupling and fixing mode of the attachable rotary plate (17a) can be seen in detail on the rotating plate without slots (21), by means of a screw (20), which joins both of axial shape and, in turn, the protrusion that emerges from the lower base of the rotary plate without slots (21), whose geometry can vary according to the manufacturer and the model, fits into the cavity of the attachable rotary plate (17a), acting at cotter mode as anti-rotation means. The screw (20) is disposed through the hole in the attachable rotary plate (17a), screwing in the cavity of the rotary plate without slots (21), once these two pieces are screwed, the bridge support (14) is interlocked, pressing the push button (15) with your hand.
    Optionally, the scraper support (7), the blade (12) and the bridge support (14) can constitute a single element, simplifying the structure of the device.
    As can be seen in figures 19, 20, 21 and 22, a positioning shaft assembly (26) is proposed to prevent the collision of the scraper holder (7) against the walls of the bowl (4) during tilting in others marketed devices in which the tool arrangement of the present invention is used, since these devices usually do not have these positioning means for the provision of tools. The positioner shaft assembly (26), is coupled to a transmission output shaft (32) of the already commercialized machine, usually of female type and with hexagonal or square shape, which have this type of apparatus to be able to operate various auxiliary accessories .
    The positioner shaft assembly (26) is integrated by a steering wheel (27) with a plug (36), which comprises a cradle clutch (35), which rotates a positioner shaft (31) by turning the steering wheel (27) and, in turn, allows said positioning axis (31) to rotate freely on a needle bush (34), thus preventing the maneuvering wheel (27) from turning involuntarily during operation of the apparatus (one). Said positioning axis (31), is coupled to a transmission output shaft (32) of the already commercialized machine, usually of a female type and with a hexagonal or square shape, which have this type of apparatus to be able to operate various accessories.
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    auxiliary The positioner shaft assembly (26) is supported by a body, preferably cylindrical, but not limited to, which has a means of quick fixation to the frame of the apparatus (2), which comprises a male coupling of the positioner (29) that it is connected to a female coupling of the positioner (30) from which a lever shaft (33) is attached to a lever knob (28).
    The assembly is characterized in that by rotating the transmission output shaft (32) of the apparatus (1) externally by turning the steering wheel (27), whose ratio is 1: 1, simultaneously also rotates the planetary drive unit of the apparatus for preparing masses (1) and, therefore, the arrangement of tools, which, being a direct relation, rotate exactly the same angular degrees as the operating wheel (27) and thus, in this way it is possible Easily position the scraper support (7) preventing it from colliding with the walls of the bowl (4) during the swinging of the upper part of the frame of the device (2). It should be noted that the geometric shape of the end of the positioner shaft (31) that is coupled to the transmission output shaft (32) of the device (1), as well as, the shape of the quick fixing means to the frame of the device by means of the male couplings and female positioner (29, 30) depends on each manufacturer and model. On the other hand, there are devices to prepare food masses of the planetary type that do not need to swing and, therefore, there is no risk of collision, because the bowl (4) rises and falls vertically, relying on lateral glues (not shown in the figures), driven by the rotation of a crank, or by an electric drive, depending on the size and capacity of the device.
    The cradle clutch (35) includes a seeger type retention ring and a retention washer (38).
    In another alternative embodiment, the frame of the apparatus for preparing food doughs (1) is formed by a single piece, which provides greater robustness, very important especially in devices of greater size and capacity, so that in any case Includes a transparent safety cover (5).
    In the previous description, the claims, drawings and features described can be interpreted both individually and in any type of combination for
    the application of the invention in its various forms of realization.
    The present invention is susceptible of industrial application in the manufacture of blenders, kneaders, kitchen robots and food processors, preferably of planetary type 5, the size and capacity of the object of the invention depends on the use that is applied to it: domestic sector , hospitality sector, in artisanal, semi-industrial and industrial bakeries, as well as, in the food processing industry and in laboratories, regardless of the capacity of the container that can vary from 2 liters to 1200 liters.
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    权利要求:
    Claims (1)
    [1]
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    R E I V I N D I C A C I O N E S
    1a.- Apparatus for preparing food doughs, which integrates a disposition of tools driven by a planetary drive, characterized in that it comprises the following elements:
    • a frame with an upper part (2) that includes drive means for a tool arrangement and a lower part (3) acts as a support for a cylindrical container with a concave bottom, called a bowl (4), whose upper part is open,
    • a rotating plate (17) which, driven by the drive means, rotates on a vertical rotation axis, called the main rotation axis (A), which is collinear to the axial symmetry axis of the bowl (4),
    • an auxiliary tool (100), comprising two utensils: a blade (12) and a scraper (6), which is integral with a scraper holder (7), the blade (12) and the scraper holder being ( 7) joined perpendicularly to each of the ends of a bridge support (14), arranged parallel to each other, forming an inverted U, to quickly engage and disengage the rotating plate (17),
    • a main tool called a kneading hook (8), which interacts simultaneously with the two utensils of the auxiliary tool (100): the scraper (6) and the blade (12), which rotate concentrically around the axis of main rotation (A), integral with the kneading hook (8), coupled to the rotating plate (17) through the bridge support (14), rotating the kneading hook (8) on a secondary rotation axis (B) in one movement of translation around the main rotation axis (A), in the opposite direction to the rotation of the scraper (6) and the blade (12),
    • a means for positioning the auxiliary tool (100), to prevent the collision of the scraper holder (7) against the walls of the bowl (4) during the tilting of the apparatus, which comprises a sensor for detecting the position in which is the scraper support (7).
    2a.- Apparatus for preparing food doughs, according to revindication 1a, characterized in that the rotating plate (17) includes a projection comprising grooves (18) practiced on the perimeter wall of the projection emerging from the lower base of the plate
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    Rotary without slots, for coupling and axial fixation of the auxiliary tool (100) to the rotary plate (17) through the bridge support (14), also including a through hole of the rotary plate, arranged eccentrically, for the passage of the shaft (11) of the kneading hook (8) to engage the drive means.
    3. Apparatus for preparing food dough, according to claims 2a, characterized in that the auxiliary tool (100) is attachable and detachable from the rotating plate (17) through a hole made in the bridge support (14), in which fit the highlight of the rotating plate (17).
    4a.- Apparatus for preparing food masses, according to claims 3a, characterized in that the auxiliary tool (100) also includes two springs for axial fixing (16), arranged symmetrically inside the bridge support (14), whose curved ends are introduced into the slots of the rotating plate (18), for the axial fixation of the auxiliary tool (100) to the rotating plate through the bridge support (14) in a rapid manner, providing the bridge support (14), in turn, two push buttons (15) located symmetrically, whose simultaneous operation involves the thrust and exit of the ends of the springs (16) with respect to the slots of the rotating plate (18), releasing the auxiliary tool (100) of the axial fixation.
    5a.- Apparatus for preparing food masses, according to claim 1a, characterized in that the scraper (6) comprises a straight part and a curved end that allows it to reach the bottom of the bowl (4) and, in addition to having a T-shaped groove, arranged along the entire face that is in contact with the scraper support (7), said scraper (6) being a flexible elastomeric material whose lip adapts to the inner walls of the bowl (4 ), forming an angle of incidence (a), with the inner walls of the bowl (4), between 15 ° and 35 °.
    6a.- Apparatus for preparing food dough, according to claim 5a, characterized in that the scraper support (7) comprises a straight part and a curved end that allows it to reach the bottom of the bowl (4) and, in addition, has a T-shaped protrusion, arranged along the entire face that is in contact with the scraper (6).
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    7a.- Apparatus for preparing food doughs, according to claims 6a, characterized in that it comprises a T-joining means (23), formed by the T-shaped projection, provided on the scraper support (7), attachable to the T-shaped groove, arranged in the scraper (6).
    8a.- Apparatus for preparing food doughs, according to claim 1a, characterized in that the kneading hook (8) comprises: a spiral of the kneading hook (9) helically and a disk of the kneading hook (10), which physically separates the spiral of the kneading hook (9) of an axis of the kneading hook (11), which is connected to a female bayonet type coupling (22) which is connected to the actuating means.
    9a.- Apparatus for preparing food doughs, according to claim 1a, characterized in that the scraper support (7), the blade (12) and the bridge support (14) constitute a single element.
    10a.- Apparatus for preparing food doughs, according to claim 1a, characterized in that the bowl (4) is vertically movable, relying on lateral glues, driven by the rotation of a crank.
    11a.- Apparatus for preparing food doughs, according to claim 1a, characterized in that the bowl (4) is vertically movable, relying on lateral glues, driven by an electric drive.
    12a.- Apparatus for preparing food doughs, according to claim 1a, characterized in that the frame is formed by a single piece.
    13a.- Apparatus for preparing food doughs, which integrates an arrangement of tools driven by a planetary drive, characterized in that it comprises the following elements:
    • a frame with an upper part (2) that includes drive means for a tool arrangement and a lower part (3) acts as a support for
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    a cylindrical container with the concave bottom, called bowl (4), whose upper part is open,
    • a rotating plate without grooves (21) which, driven by the drive means, rotates on a vertical rotation axis, called the main rotation axis (A), which is collinear to the axial symmetry axis of the bowl (4),
    • an attachable rotary plate (17a) on the rotary plate without slots (21) of an already commercialized machine where the attachable rotary plate (17a) has a cavity that is coupled to a projection that emerges from the lower base of the rotary plate without slots (21), and where the attachable rotating plate (17a) also has coupling and fixing means (18a) and (19a) for an auxiliary tool (100), for coupling to the rotating plate without slots (21), joining both Rotary plates (21 and 17a) axially, by means of a through fixing screw (20) that is screwed into a cavity of the rotating plate without slots (21).
    • an auxiliary tool (100), comprising two utensils: a blade (12) and a scraper (6), which is integral with a scraper holder (7), the blade (12) and the scraper holder being ( 7) joined perpendicularly to each of the ends of a bridge support (14), arranged parallel to each other, forming an inverted U, to quickly engage and disengage the rotating plate (17),
    • a main tool called a kneading hook (8), which interacts simultaneously with the two utensils of the auxiliary tool (100): the scraper (6) and the blade (12), which rotate concentrically around the axis of main rotation (A), integral to the kneading hook (8), coupled to the rotating plate (17) through the bridge support (14), rotating the kneading hook (8) on a secondary rotation axis (B) in one movement of translation around the main rotation axis (A), in the opposite direction to the rotation of the scraper (6) and the blade (12),
    • a means for positioning the auxiliary tool (100), to prevent the collision of the scraper holder (7) against the walls of the bowl (4) during the tilting of the apparatus, which comprises a sensor for detecting the position in which is the scraper support (7).
    14a.- Apparatus for preparing food doughs (1) according to claim 13a, characterized in that it comprises a positioning axis assembly (26), integrated by a maneuvering wheel (27), on which a cradle clutch (35) is coupled, and an axis
    positioner (31), allowing said positioner shaft (31) to rotate freely on a needle bush (34), while the positioner shaft (31) is coupled to a transmission output shaft (32), female type and with a hexagonal or square shape next to the one that rotates the planetary drive unit and the auxiliary tool (100), it being provided that the positioner shaft assembly (26) is supported by a cylindrical body that has a male coupling of the positioner ( 29), and which is connected to a female coupling of the positioner (30), arranged in the frame (2), from which emerges a lever shaft (33) attached to a lever knob (28).
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    同族专利:
    公开号 | 公开日
    ES2642376B1|2018-06-26|
    WO2017178673A1|2017-10-19|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    GB260745A|1925-10-10|1926-11-11|John Babington Parnall|Improvements in or relating to mixing machinery or apparatus|
    US4946285A|1990-03-08|1990-08-07|Hobart Corporation|Bowl scraper attachment for planetary food mixer|
    US5556201A|1995-07-21|1996-09-17|Middleby Marshall Inc.|Bowl scraper for commercial or industrial size food mixers|
    US6932503B2|2003-05-30|2005-08-23|Gary Fallowes|Food scraper attachment for food mixer|CN108684750B|2018-06-21|2020-05-22|浙江云起食品有限公司|Dough kneading device for kneading dough into ribs based on repeated and alternate rolling|
    法律状态:
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    PCT/ES2017/070161| WO2017178673A1|2016-04-15|2017-03-18|Appliance for preparing dough|
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