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    • 专利摘要:
    The invention relates to a transport device (1) for support plates (2) of bakery products, comprising angle supports (3) on which the edges of said plates rest, cooperating on either side of a median plane. vertical (4), with a drive means, each drive means comprising, on the one hand, at least one chain (5a, 5b) describing a looped circuit so as to define an ascending column (8) and a column downward (9) of support means and, on the other hand, at least one connection support (12a, 12b) articulated around a horizontal axis (13a, 13b) of at least one angle iron The device further comprises means of holding and guiding (15a, 15b) of said angles in a horizontal plane in a transfer portion from the ascending column to the descending column and a conveyor (17) extending at least under the ascending and descending columns between said means of training.
    公开号:FR3082511A1
    申请号:FR1870699
    申请日:2018-06-14
    公开日:2019-12-20
    发明作者:Damien PINEAU；Olivier SERGENT
    申请人:Mecatherm；
    IPC主号:
    专利说明:

    Description
    Title of the invention: Noria-type transport device for support plates for bakery products or the like The present invention relates to the field of transport and conveyance of products, in particular bakery products, viennoiserie, pastry and the like .
    Such a device will find a particular, but in no way limiting, application in the transport of products in the form of dough pieces through different industrial production lines, with a view to the processing of said dough pieces, in particular for their cooking and / or their freezing. and / or their cooling and / or their fermentation.
    More particularly, the invention relates to a noria type transport device for support plates for bakery products or the like comprising support means for said plates, cooperating, on either side of a vertical median plane with means drive. Each drive means comprises at least one chain, belt or the like describing a looped circuit so as to define an ascending column of supporting means and a descending column of supporting means.
    We already know, in the prior art, patent documents
    EP 0 710 441 and WO 2015/001254 which describe, in baking ovens for bakery products or the like, such devices for conveying baking supports of the noria type.
    These documents describe, more particularly, an oven which, in known manner, comprises a cooking enclosure provided with an inlet opening and an outlet opening, said enclosure being traversed by a transport device making it possible to convey baking trays of the plate type, and on which dough pieces to bake.
    The devices described in these documents include transport systems of the support plates in the form of noria ensuring an upward and downward circulation of said support plates within said cooking enclosure. Such a noria is composed of a couple of drive chains with links, arranged on either side of an axis through which the cooking supports pass through the oven, each of said chains being wound at least around two idler wheels, to describe a looped circuit.
    This looped circuit described by the pair of chains then comprises a first strand of ascending chain and a second strand of descending chain, both vertical.
    In addition, the noria is provided with a plurality of pairs of support arms, made integral in fixing the drive chains, and extending perpendicularly to them.
    More particularly, on each of the chains of the noria are fixed, with regular spacing, said support arms. In addition, a support arm of a chain corresponds to a support arm of the second chain, so that, on two support arms located at the same level, can rest, horizontally, a bakery support plate.
    Thus, an ascending column of supports is defined by the set of support plates resting on the support arms lying on one side of the noria to which an upward movement is communicated via the chains, while the descending column is defined by the set of support plates resting on the support arms arranged on the other side of the noria.
    In this transport system of support plates, before the pair of arms begins to rotate to descend, a plate, supported until then by a pair of arms located on the ascending column, is pushed back, via appropriate transfer means, to a pair of arms located on the side of the descending column of this noria.
    At the lower end, the support plates circulate on a suitable horizontal conveyor, and are removed, upstream, by the ascending column and deposited, downstream, by the descending column.
    The design of the device for transporting support plates, described in document EP 0 710 441, on which support arms are fixed perpendicularly, causes numerous mechanical stresses, in particular due to the weight applied to said arms, by the plates loaded with products, said weight being offset externally relative to the vertical median axis passing through the axis of said idler wheels.
    Indeed, this overhang tends to bend the arms down at the level of the ascending and descending strands of the chain.
    More specifically, this offset weight pushes each link internally at its lower axis and externally at its upper axis, deforming the vertical linearity of the chain. To avoid this deformation, it is necessary to considerably increase the tension applied by the idler wheels, and to check it regularly.
    The higher voltage requires more drive and motorization. In addition, this tension also causes faster wear of the various parts, in particular the chain links or the idler wheels.
    Note also that it is necessary to constantly ensure the lubrication of the different parts, increasing the maintenance costs of such a device.
    In addition, it is necessary to provide, at the level of the transport means, means for transferring the support plates having reached the upper end of the noria, and therefore of the ascending column, on the side of the descending column. In particular, in this document, when a support plate reaches this upper end of the noria, the latter is stopped so as to allow a horizontal pusher, composed of a couple of chains actuating back and forth a carriage provided with pushers, pushing said support plate from the support arms on which it rests and corresponding to the ascending column, on support arms of the descending column situated in the same horizontal plane.
    It is also provided in the noria type transport devices of the prior art, guide means, often doubled, and in the form of a centering wheel, to keep the support arms in a perpendicular direction and perfectly aligned horizontally at the level of the ascending and descending stacks.
    If these guide means prevent the chain from twisting, they generate friction increasing the wear of the links and require increasing the tension applied to the chain.
    Document WO 2015/001254 seeks in particular to overcome some of these drawbacks, by proposing a noria-type transport device in which the chain is stiffened at its ascending and descending strands so that the offset weight of the support plates resting on the arms no longer applies directly to each link in the chain, but according to a single vertical downward component.
    More particularly, in this device of the state of the art, each link is secured, integrally, a base, the support arms being attached laterally on the links by means of this base. The bases are designed to stack on top of each other, thus forming a vertical rod.
    This device, although interesting and remedying certain problems noted previously, does not overcome all the drawbacks of noria type transport systems used in the conveyance, through different units, of bakery products or the like.
    One of the persistent problems of the devices known from the prior art lies in this transfer of the support plates, in the upper part of the devices, from the ascending column to the descending column of the noria, putting in implements transfer means which are complex and unreliable over time due, in particular, to the sometimes extreme temperatures to which these transfer means are subjected, in particular when the transport systems are intended to be installed in an oven or a deep-freezer.
    In addition, it should be noted that, in the devices of the state of the art, and conventionally, the cooking, fermentation, freezing or other enclosures are delimited by an insulating envelope. It is generally of rectangular section, and closed, in the upper part and in the lower part, by a floor and a ceiling each having a semi-cylindrical shape. Indeed, in the upper part, the support arms, once the transfer of the plate supporting the products from one side to the other of the noria, must describe a semi-circular movement to pass from the ascending column to the descending column .
    Similarly, in the lower part, once the support plate is removed on a conveyor, the support arms again describe a semi-circular movement to pass, this time from the descending column to the ascending column.
    The 180 ° rotation, performed by the support arms at the upper and lower ends of the cooking chamber or the like, to pass from the ascending column, respectively descending, to the descending column, respectively ascending, necessarily involves providing an available speaker volume, only to allow this rotation.
    It is therefore understood that this volume is, necessarily, heated, or cooled, in the case for example of cooking or product cooling chambers, while said volume is not effectively used for this cooking. or this cooling. This lost volume, only devoted to the rotation of the support arms, therefore constitutes a drawback, both in terms of energy expended in order to maintain the whole enclosure at an adequate temperature, as well as in space to be provided in height. in the operating premises intended to accommodate the transport device.
    It is thus in the context of an inventive step, to respond, at least in part, to the problems arising in particular from the transfer of support plates in the upper part of the noria, that we have imagined completely eliminating this transfer by pushing from a first pair of arms at the top of the ascending column towards a second pair of arms from the top of the descending column, each bakery support plate being, in the present invention, constantly maintained, horizontally or substantially horizontally , between two support angles offset relative to the noria and guided in particular in the upper part of said noria to guarantee this horizontality.
    In sum, in the context of the present invention, from its assumption of responsibility until its evacuation, beyond the circuit carried out on the noria, a baking product support plate no longer undergoes any transfer between different arms supports, thus overcoming a number of drawbacks of the devices known hitherto.
    To this end, the present invention relates more particularly to a transport device, noria type, for support plates of bakery products or the like, comprising support means of said plates, cooperating, on either side of a vertical median plane, with a drive means, each drive means comprising at least one chain, belt or the like, and describing a looped circuit so as to define an ascending column of support means and a descending column of support means, said device being characterized in that the support means are defined by at least one pair of angle supports on which the lateral edges of a support plate can rest, each drive means comprising at least one connection support articulated around a horizontal axis of at least one angle iron, said device comprising means for holding and guiding said angle angles in a n substantially horizontal plane at least in a transfer portion from the ascending column to the descending column along the circuit traversed by each drive means, said transport device comprising means of synchronized operation of said drive means and a conveyor loading and unloading extending at least under the ascending column and the descending column between said drive means.
    The presence of such a loading and unloading conveyor between the drive means, in particular chains, makes it possible to load in a continuous flow, and sequentially, the vertical ascending column, respectively to unload the descending column vertical, without any additional operation, in particular manual or other manipulation, being carried out on the support plates of the bakery products.
    Advantageously, the chain or belt of a drive means describes a looped circuit from partially winding at least around two return wheels with horizontal axis by defining a chain strand or ascending belt and a chain strand or descending belt, on this chain or belt, outside the looped circuit described is attached, in an articulated manner, with regular pitch, a deployable and folding structure in accordion, composed of a succession of arms articulated between them and one of which first end is hinged mounted on the chain or belt and the other end of which carries the articulated connection supports of said angles.
    In an advantageous embodiment, the articulated connection support is defined essentially in the form of a hinge pin carrying an angle iron.
    In another even more advantageous example, the articulated connection support comprises a hinge pin on which is mounted a rack of several superimposed angles, preferably equidistant.
    According to another feature of the invention, said device comprises, at the upper end of each drive means, assistance means for transferring support means arriving at the upper end of an ascending column above a downward column, said transfer assistance means comprising a cam device with which is brought to cooperate an articulated connection support to subject the latter to a successively increasing and decreasing speed of movement, at the passage of the upper end of an ascending column towards the upper end of a descending column.
    Preferably, the transfer assistance means constitute the means for holding and guiding the angles in a horizontal position and comprise at least two cam tracks each cooperating with a separate roller carried by the articulated connection support of a angle.
    Even more preferably, an articulated connection support comprises, on either side of the vertical median plane passing through its horizontal articulation axis, a roller cooperating with one of the cam tracks, each roller also constituting, in cooperation with a suitable vertical slide, means for guiding and holding the angles in a horizontal position along the vertical ascending and descending columns.
    The invention also relates to a unit for processing bakery products or the like, said unit being in particular of the cooking oven or fermenter or freezer or cooling tower type, and comprising at least one transport device according to the invention such as described above.
    Other characteristics and advantages of the invention will emerge from the detailed description which follows of non-limiting embodiments of the invention, with reference to the appended figures in which:
    [Fig.l] schematically shows a side view of two noria type transport devices according to the invention, according to a particular and non-limiting embodiment, said devices being arranged one after the other along a conveyor for loading and unloading support plates on which rest bakery or similar products, the plates and the products not being however shown in the figure;
    [Fig.2] schematically shows a front view of a particular embodiment of a part of the noria type transport device of Figure 1, in this case the lower part of said device;
    [Fig.3] schematically shows the part of the noria type transport device of Figure 2 in a sectional view along a vertical median plane of said device;
    [Fig.4] schematically shows a perspective view of a particular embodiment of another part of the noria type transport device of Figure 1, with illustration of the support of a support plate in the lower part of said device;
    [Fig.5a] schematically shows a perspective view of a particular embodiment of another part of the noria type transport device of Figure 1, in this case an articulated connection support having under the shape of a rack of three superimposed angles and arranged substantially equidistantly, said rack being mounted on a hinge pin;
    [Fig.5b] schematically shows a perspective view of a connection support consisting of a rack of three angles superimposed equidistantly and mounted on a hinge pin, said support being intended to come opposite -vis the connection support of Figure 5a on the transport device of the invention;
    [Fig.6] schematically shows a perspective view of a particular embodiment of a part of the noria type transport device of Figure 1, in this case the means of assistance transfer from a ascending column to a descending column of the support means in the upper part of said transport device;
    [Fig.7] schematically shows a side view similar to Figure 6, in a section along a vertical median plane of said device.
    With reference to these drawings, the present invention relates to a transport device 1, of the noria type, of support plates 2 or the like, such as in particular peelboard type push supports, molds in coupling or even nets, these plates 2 generally being rectangular or substantially rectangular.
    In the following description, the expression "support plate", or "support plates" as the case may be, will be used to designate the support means on which are intended to rest bakery, pastry, pastry and similar products. for their transport through at least one processing unit of an industrial production line.
    In this regard, the transport device 1 can be advantageously integrated in a processing unit of any type, and in particular in a vertical baking oven, a fermentation oven, a cooling tower, or even a freezer.
    Note also that it is entirely conceivable that a processing unit incorporates, if necessary, a plurality of transport devices 1 according to the invention described below in more detail.
    The present transport device 1, noria type, for support plates 2 of bakery products essentially comprises support means 3 of said plates 2 for the handling and routing of the latter within the device 1.
    According to a feature of the present invention, these support means 3 are defined by at least one pair of angle supports 3a, 3b, taking charge of a support plate 2 by the side edges thereof, as illustrated more particularly on Figures 2 and 4 of the accompanying drawings, in order to maintain horizontal or substantially horizontal said support plate 2 during transport by means of the device 1 of the invention.
    Obviously, preferably, the noria type transport device 1 of the invention comprises a plurality of such pairs of angle supports 3a, 3b on each of which can come to rest a support plate 2 containing products to be transported. A pair of angle supports 3a, 3b is more particularly visible in the attached FIG. 2.
    The support means 3 of the plates 2, advantageously the angle supports 3a, 3b, cooperate, on either side of a vertical median plane 4, also visible in FIG. 2, with a drive means.
    Each drive means of the angle supports 3a, 3b, comprises, at least, a chain 5a, 5b respectively, belt, or the like which preferably describes a looped circuit from being wound, at least partially, around at least two idler wheels.
    In the following description, only the term "chain" will be used, relating to the drive means of the angle supports 3a, 3b, knowing that, by this term, it can also be understood that the drive means have a strap or the like.
    Thus, the chain 5a, drives the angle support 3a cooperating with a second angle support 3b to support a support plate 2, said second angle support 3b itself being driven by a chain 5b. As illustrated in FIG. 1, this chain 5a describes a looped circuit by partially winding around at least two idler wheels, preferably a lower idler wheel 6a and an upper idler wheel 7a. In fact, these are chain wheels, and said return wheels 6a, 7a have a horizontal axis of rotation and are located in the same vertical plane.
    In the same way, on the other hand from the vertical median plane 4, the chain 5b driving at least the angle support 3b describes a looped circuit coming to wind partially around, at least, the lower return wheels 6b and upper 7b, only the return wheel 6b positioned in the lower position of the transport device 1 being shown in FIG. 2.
    Thus, by such a drive of the support plates 2 by means of chains 5a, 5b each describing a looped circuit, are defined an ascending column 8 of support means 3 and a downward column 9 of support means 3, each support means 3 being constituted, in the invention, by a pair of angle supports 3a, 3b.
    In addition, at each chain 5a, 5b, describing a looped circuit, are defined a first chain strand 5a, 5b ascending and a second chain strand 5a, 5b descending.
    These two chain strands 5a, 5b or belt correspond to the chain portions 5a, 5b located between the wheels 6a, 7a and 6b, 7b respectively and extending vertically.
    Note also that, according to a feature of the invention, the transport device 1, noria type, includes synchronized operating means of the drive means, in this case chains 5a and 5b.
    Preferably, to ensure the synchronism of operation of said chains 5a and 5b, at least two idler wheels located in the same horizontal plane, for example the lower idler wheels 6a, 6b, are mounted on a single shaft horizontal drive 10, shown in FIG. 2, said shaft 10 also cooperating with suitable drive motor means 11.
    However, such an embodiment should not be considered as limiting the invention. Indeed, it is entirely conceivable that the horizontal drive shaft is provided in the upper part of the transport device 1 of the invention, to drive, in a synchronized manner, the upper return wheels 7a and 7b.
    Thus, the ascending column 8 of support means 3 of support plates 2 is defined by all of said support means 3, located on one side of the noria which is communicated an upward movement through the chains 5a, 5b, under the action for example of suitable drive motor means 11, while the downcomer 9 is defined by all of the support means 3 disposed on the other side of the noria and to which there is communicated a downward movement, it being understood that, in the invention, the support means 3 each consist of a pair of angle supports 3a, 3b.
    According to another feature of the invention, each drive means, preferably each chain 5a, 5b located on either side of the vertical median axis 4, comprises, at least, a connection support 12a , 12b articulated around a horizontal axis 13a, 13b, of at least one angle support 3a, 3b on said chain 5a, 5b respectively. Preferably, each chain 5a, 5b comprises a plurality of such connection supports 12a, 12b, so as to be able to convey a large number of support plates 2 of bakery products by means of the transport device 1 of the invention.
    An exemplary embodiment, without limitation, of such a connection support 12a, 12b is illustrated in Figures 5a and 5b of the accompanying drawings. FIG. 5a represents a first connection support 12a intended to be mounted on the chain 5a while FIG. 5b shows a second connection support 12b, identical to the connection support 12a, and intended to equip the chain 5b opposite screw of said connection support 12a.
    In this example, each of the articulated connection supports 12a, 12b has a hinge pin 13a, 13b respectively on which is mounted a rack 14a, 14b of three angle supports 3a, 31a, 32a on one side and 3b , 31b, 32b on the other side.
    Advantageously, when an articulated connection support 12a, 12b comprises a rack 14a, 14b of several angles respectively 3a, 31a, 32a and 3b, 31b, 32b, the latter are positioned equidistant or substantially equidistant from each other. other.
    For the sake of simplification, in the following description, an angle support is systematically designated by the reference 3a, even if the figures described systematically represent a rack 14a or 14b comprising a plurality of such angle supports.
    It is also envisaged that a hinged connection support 12a, 12b comprises a rack 14a, 14b having a number of different angles, for example two angle supports, four or more angle supports.
    In another equally advantageous embodiment of the noria type transport device 1 according to the invention, not shown in the figures, an articulated connection support 12a, 12b is defined essentially in the form of an axis d hinge 13a, 13b carrying a single angle 3a, 3b.
    Anyway, a connection support 12a mounted on the chain 5a is driven by it synchronously with a connection support 12b mounted on the chain 5b so that two angle supports 3a, 3b, located on either side of the vertical median plane 4, remain in the same horizontal plane all along the looped circuit which they describe in the transport device 1, that is to say on the ascending column 8 and on the descending column 9 of the support means 3.
    In a particularly advantageous embodiment, which is that illustrated in the figures of the accompanying drawings, outside the looped circuit described by each drive means, in this case each chain 5a, 5b, is attached, so articulated and with regular pitch, on each of these chains 5a, 5b, a deployable and folding structure in accordion 18a, 18b respectively.
    Each of these accordion structures 18a, 18b consists of a succession of arms articulated in particular between them.
    By way of example, FIG. 7 illustrates in particular two arms 181a, 182a of the accordion structure 18a hinged together. A first end of each of the arms 181a, 182a is mounted articulated at the level of the chain 5a at the level of an articulation shaft (referenced 183a for the end of the arm 182a) while the second end of said arms 181a, 182a carries , at the articulation between said two arms 181a, 182a and through their articulation axes 13a, the connection supports 12a comprising, in the example illustrated, a rack 14a of three angles 3a.
    Note again, according to a specific feature of the transport device 1 of the support plates 2 of the invention, that it also comprises means for holding and guiding 15a, 15b of the angle supports 3a, 3b in a plane horizontal or substantially horizontal at least in a transfer portion of said angles from the ascending column 8 towards the descending column 9, in the upper part of said device 1.
    Even more preferably, the device 1 of the invention comprises both means for holding and guiding the angles 3a, 3b in the transfer portion from the ascending column 8 to the descending column 9 and also means 16a for horizontal holding and guiding these angles 3a, 3b during their transfer to the lower part of said device 1, from the descending column 9 to the ascending column 8, these means 16a being able to be identical or similar to the holding and guiding means 15a , 15b positioned in the upper part.
    It should also be noted that, in the case where the device comprises such retaining and guiding means 16a in the lower transfer portion, these can be simplified compared to the retaining and guiding means 15a in the transfer portion from the ascending column 8 to the descending column 9 in the upper part of the device 1, for the reasons explained below.
    Indeed, preferably, the support plates 2 of the products to be transported arrive continuously, via a conveyor 17 for loading and unloading the transport device 1 of the invention, said conveyor 17 s 'extending, at least, under the ascending column 8 and under the descending column 9, between the drive means constituted in particular by the chains 5a, 5b of the transport device 1 of the invention.
    This conveyor 17, shown in particular in Figure 4, preferably comprises two chains 171, 172 with parallel and substantially horizontal movement on which are arranged, successively and regularly, the support plates 2 receiving the bakery products. Each of these chains 171, 172 is provided with a plurality of catches 173 which, when said chains 171, 172 are set in motion, push a support plate 2 at the bottom of the ascending column 8 of support means 3.
    At this level, the chains 171,172 of the conveyor stop and said support plate 2 is transferred directly, without further manipulation, from the conveyor 17 to the ascending column 8 of the device 1, between two angle supports 3a, 3b , each of these supporting a lateral border of said support plate 2. The latter is then driven vertically upwards, along said ascending column 8, to the upper end thereof, where the plate 2 goes then be transferred to the downcomer 9 at a transfer portion where said plate 2 is held in a horizontal position, still on said angles 3a, 3b, the latter themselves being held horizontally by means of the holding means and guide 15a, 15b.
    It is clearly understood here that, in the present invention, unlike the prior art, the support plate 2 is no longer pushed back from a column, in this case the riser 8, towards the column descending 9. The support plate 2 is held horizontally, or substantially horizontal, on the same angle supports 3a, 3b, by which it was originally supported at the bottom of the ascending column 8, and this over the entirety of the journey it takes in the noria type transport device 1 of the invention. This avoids the operations of passing from a first pair of support arms to a second pair of arms in the upper part of the riser, with the drawbacks that these operations necessarily imply, in particular the presence of complex transfer mechanisms which are likely to be deteriorate over time, as well as the volume lost in the cooking chamber or the like to allow the rotation of said arms.
    Once the transfer of the support plate 2 has been carried out in the upper part of the device 1, the latter is driven downhill on the other side of the noria until it again reaches the loading and unloading conveyor 17, which extends both under the ascending column 8 and under the descending column 9. At this level, the support plate 2 is deposited by the descending column 9 directly on said conveyor 17, to be then, for example, evacuated from the transport device 1.
    In an exemplary embodiment of the transport device 1 of the invention, it comprises a single loading and unloading conveyor 17 which conveys the support plates 2 on a first ascending column 8 and which collects these same plates 2 from a first descending column 9 before conveying them to a second ascending column and then recovering them from a second descending column. In this case, first chain-type training means describing a looped circuit define the first ascending and descending columns and second similar training means defining the second ascending and descending columns. Such an embodiment is for example illustrated in Figure 1 attached.
    Anyway, once the support plate 2 deposited on the conveyor 17, the two angle supports 3a, 3b then continue their circuit under the conveyor 17 to a transfer portion of the downcomer 9 to the ascending column 8, in the lower part of the noria.
    The conveyor 17 for loading and unloading preferably has a sequential operation in particular for successively presenting the support plates 2 at the ascending column 8 of support means 3 and then for successively discharging these plates 2 from the descending column 9. This conveyor 17 nevertheless makes it possible to present the support plates 2 without interruption at the bottom of the ascending column 8. The chains 5a, 5b of the noria, for their part, can also be operated sequentially to wait for the positioning, between two support angles 3a,
    3b, of a support plate 2 at the bottom of the ascending column 8 or to wait for the unloading of such a plate 2 from the descending column 9 to the conveyor 17.
    However, the chains 5a, 5b of the drive means of the transport device 1 of the noria type of the invention may also have uninterrupted operation, with a servo-control in operating speed between the noria and the loading conveyor 17 and unloading.
    Anyway, it is understood that, at the level of the lower transfer portion, between the downward 9 and upward 8 columns, the angle supports 3a, 3b no longer support a support plate 2 containing products, unlike the upper transfer portion from the ascending column 8 to the descending column 9. Consequently, the means for holding and guiding 16a of said angle supports 3a, 3b in a horizontal plane can be simplified in the lower part, where there is no no plates 2, in comparison with the holding and guiding means 15a, 15b where there the angle supports 3a, 3b carry such a plate 2.
    The noria type transport device 1 of the invention also comprises, at the upper end of each drive means for pairs of angle supports 3a, 3b, means for assisting transfer of the latter when they reach the upper end of the ascending column 8 above the descending column 9.
    Preferably, these transfer assistance means comprise a cam device, which cooperates with an articulated connection support 12a, 12b, in order to subject said support 12a, 12b to a successively increasing then decreasing speed of movement when passing through. the upper end of the device 1, from the top of the ascending column 8 to the top of the descending column 9.
    Even more preferably, and according to the particular embodiment shown in the figures of the attached drawings, the transfer assistance means mentioned above also constitute the means for holding and guiding the angles 3a, 3b in horizontal position.
    In this embodiment, these transfer assistance means 15a, 15b, also fulfilling a function of holding and guiding the articulated connection supports 12a, 12b, have two cam tracks.
    FIGS. 6 and 7 show the two cam tracks 19a and 20a of the transfer assistance means 15a, it being understood that, on the other side of the vertical median plane 4 of the device 1 of the invention, the transfer assistance means 15b also comprise two identical cam tracks, these being however not visible in the said figures.
    Each of these cam tracks 19a and 20a cooperates with a roller, respectively 21a, 22a, for guiding and keeping horizontal the angles 3a, 3b supporting the plates 2 during the transfer from a column 8 to the other 9. In addition, the configuration of these means 15a, 15b, in the form of cam tracks makes it possible to give two articulated connection supports 12a, 12b facing each other carrying at least one support plate 2 through at least one pair of angles 3a, 3b, and arriving at the transfer portion between the ascending 8 and descending 9, an acceleration in relation to the following articulated connection supports, and this in the direction of travel chains 5a, 5b. In fact, by means of this double guide, an articulation point between two arms 181a, 182a of the deployable and folding structure in accordion 18a is brought closer to the chain 5a, and this results in a separation of two successive connection supports 12a by the acceleration mentioned above. Obviously, since the two chains 5a, 5b have a synchronous operation, identical kinematics is observed simultaneously for the elements, in particular the articulated arms, of the structure 18b, as well as for the connection support 12b opposite -screw, respectively of the articulated structure 18a and the support 12a. This avoids any collision or shock between two successive articulated connection supports during the passage of this transfer portion.
    As shown in the figures, said cam tracks 19a and 20a are advantageously defined by guide grooves carried by a flange, or a cheek, in the upper part of the transport device 1 of the noria type according to the present invention.
    Even more advantageously, the entry of said guide grooves defining the cam tracks 19a, 20a, is beveled to facilitate the entry of the rollers 21a, 22a in said grooves and guarantee a horizontality of the support plates 2 all along the path taken in the transport device 1.
    Preferably, and as illustrated more particularly in Figures 5a and 5b, these rollers 21a, 22a (a single roller 22b being visible in Figure 5b), cooperating with the cam tracks 19a, 20a, are carried by a support articulated connection 12a, 12b, on either side of a vertical median plane passing through the horizontal articulation axis 13a, 13b respectively.
    In an entirely preferred embodiment, and illustrated in the appended figures, each roller 21a, 22a is capable of cooperating, either on the first strand of ascending chain, or on the second strand of descending chain, with a vertical slide adapted so as to form means for guiding the articulated connection supports 12a and means for keeping the angle support (s) 3a carried horizontally by said articulated connection means 12a.
    Thus, the noria type transport device 1 according to the invention advantageously comprises, on the one hand, a first vertical slide 81a cooperating with the roller 21a along the ascending vertical column 8 of support means and, d on the other hand, a second vertical slide 91a cooperating with the roller 22a along the vertical descending column 9, with more particular reference to FIG. 7.
    Thus, during the rise in the device 1, the roller 21a preferably cooperates with the slide 91a before cooperating, during the transfer from the ascending column 8 to the descending column 9, with the cam track 19a. Once out of this cam track 19a, along the downcomer 9, the roller 21a is no longer in cooperation with a vertical slide, the guide relay having been taken by the roller 22a which is, in turn, guided, at its exit from the cam track 20a, by the vertical slide 91a in the descent while it was not guided along the ascending column 8.
    Obviously, even if only one side of the transport device 1 of the invention is shown with regard to the means for guiding and holding the angles in a horizontal position along the ascending 8 and descending 9 columns on the side of the chain 5a, such means, in the form of vertical slides similar to the slides 81a, 91a, are also provided on the side of the chain 5b.
    Advantageously, the transport device 1 of the invention rests on the ground by means of feet 23 or any support structure making it possible to provide a free space in the lower part of said device 1 to allow the passage of the angle supports 3a, 3b from the descending column 9 to the ascending column 8.
    权利要求:
    Claims (1)
    [1" id="c-fr-0001]
    [Claim 1] [Claim 2] [Claim 3]
    claims
    Transport device (1), of noria type, for support plates (2) of bakery products or the like, comprising support means (3) of said plates (2), cooperating, on either side of a median plane vertical (4), with a drive means, each drive means comprising at least one chain (5a, 5b), belt or the like, and describing a looped circuit so as to define an ascending column (8) of support means (3) and a descending column (9) of support means (3), said device (1) being characterized in that the support means (3) are defined by at least one pair of angle supports (3a, 3b) on which can rest the lateral edges of a support plate (2), each drive means (5a, 5b) comprising at least one connection support (12a, 12b) articulated around a horizontal axis (13a, 13b) d '' at least one angle iron (3a, 3b), said device (1) comprising means for holding and guiding (15a, 15b) of said angles (3a, 3b) in a substantially horizontal plane at least in a transfer portion from the ascending column (8) to the descending column (9) along the circuit traversed by each drive means, said transport device (1) comprising synchronized operating means (10,11) of said drive means and a loading and unloading conveyor (17) extending at least under the ascending column (8) and the descending column ( 9) between said drive means (5a, 5b). Transport device (1), noria type, according to claim 1, characterized in that the chain (5a, 5b) or belt of a drive means describes a looped circuit by being partially wound at least around two idler wheels (6a, 7a; 6b, 7b) with horizontal axis by defining a chain strand or ascending belt and a chain strand or descending belt, on this chain (5a, 5b) or belt, outside the looped circuit described is reported, in an articulated manner, with regular pitch, a deployable and folding accordion structure (18a, 18b), composed of a succession of arms (181a, 182a) articulated between them and of which a first end is mounted articulated on the chain (5a, 5b) or belt and the other end of which carries the articulated connection supports (12a, 12b) of said angles (3a, 3b).
    Transport device (1), noria type, according to any one of the preceding claims, characterized in that the rac17 support
    articulated cord (12a, 12b) is defined essentially in the form of a hinge pin (13a, 13b) carrying an angle iron (3a, 3b). [Claim 4] Transport device (1), noria type, according to any one of claims 1 or 2 characterized in that the articulated connection support (12a, 12b) has a hinge pin (13a, 13b) on which is mounted a rack (14a, 14b) of several angles (3a, 3la, 32a; 3b, 31b, 32b) superimposed, preferably equidistant. [Claim 5] Transport device (1), noria type, according to any one of the preceding claims, characterized in that the said device (1) comprises, at the upper end of each drive means (5a, 5b), assistance means for transferring support means (3) arriving at the upper end of an ascending column (8) above a descending column (9), said transfer assistance means comprising a cam device with which it is brought to cooperate an articulated connection support (12a, 12b) for subjecting the latter to a successively increasing and decreasing speed of movement, on passing from the upper end of an ascending column (8) to the upper end of a descending column ( 9). [Claim 6] Transport device (1), noria type, according to the preceding claim characterized in that the transfer assistance means constitute the means for holding and guiding the angles (15a) in a horizontal position and comprise at least two tracks of cam (19a, 20a) each cooperating with a separate roller (2la, 22a) carried by the articulated connection support (12a) of an angle (3a). [Claim 7] Transport device (1), noria type, according to the preceding claim, characterized in that an articulated connection support (12a) comprises on either side of the vertical median plane passing through its horizontal axis of articulation ( 13a) a roller (21a, 22a) cooperating with one of the cam tracks (19a, 20a), each roller (2la, 22a) also constituting, in cooperation with a suitable vertical slide (81a, 91a), guide means and maintaining the angles (3a) in a horizontal position along the vertical ascending (8) and descending (9) columns. [Claim 8] Unit for processing bakery or similar products, said unit being in particular of the baking oven or fermenter or freezer or cooling tower type, characterized in that it comprises at least one transport device (1), of the noria type, according to any of
    previous claims.
    类似技术:
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    同族专利:
    公开号 | 公开日
    BR102019012242A2|2020-01-07|
    HRP20210492T1|2021-05-28|
    HUE053967T2|2021-07-28|
    PT3581529T|2021-03-24|
    US20190382209A1|2019-12-19|
    SI3581529T1|2021-07-30|
    PL3581529T3|2021-07-19|
    US10696492B2|2020-06-30|
    CA3046230C|2021-08-10|
    EP3581529B1|2020-12-30|
    JP2020023395A|2020-02-13|
    EP3581529A1|2019-12-18|
    FR3082511B1|2020-07-03|
    CA3046230A1|2019-12-14|
    ES2864016T3|2021-10-13|
    DK3581529T3|2021-03-29|
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    法律状态:
    2019-06-25| PLFP| Fee payment|Year of fee payment: 2 |
    2019-12-20| PLSC| Search report ready|Effective date: 20191220 |
    2020-06-22| PLFP| Fee payment|Year of fee payment: 3 |
    2021-06-22| PLFP| Fee payment|Year of fee payment: 4 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1870699A|FR3082511B1|2018-06-14|2018-06-14|NORIA-TYPE TRANSPORT DEVICE FOR PLATES SUPPORTING BAKERY PRODUCTS OR THE LIKE|
    FR1870699|2018-06-14|FR1870699A| FR3082511B1|2018-06-14|2018-06-14|NORIA-TYPE TRANSPORT DEVICE FOR PLATES SUPPORTING BAKERY PRODUCTS OR THE LIKE|
    EP19179224.1A| EP3581529B1|2018-06-14|2019-06-10|Device for noria type transport of plates holding bakery products or similar|
    PL19179224T| PL3581529T3|2018-06-14|2019-06-10|Device for noria type transport of plates holding bakery products or similar|
    DK19179224.1T| DK3581529T3|2018-06-14|2019-06-10|Device for noria-type transport of plates bearing bakery products or the like|
    ES19179224T| ES2864016T3|2018-06-14|2019-06-10|Ferris wheel-type transport device for supporting plates of bakery products or similar|
    SI201930043T| SI3581529T1|2018-06-14|2019-06-10|Device for noria type transport of plates holding bakery products or similar|
    PT191792241T| PT3581529T|2018-06-14|2019-06-10|Device for noria type transport of plates holding bakery products or similar|
    HUE19179224A| HUE053967T2|2018-06-14|2019-06-10|Device for noria type transport of plates holding bakery products or similar|
    CA3046230A| CA3046230C|2018-06-14|2019-06-13|Noria type transportation device for plate supports for bakery products or the like|
    BR102019012242-0A| BR102019012242A2|2018-06-14|2019-06-14|NÓRIA TYPE DEVICE TO TRANSPORT SUPPORT PLATES FOR BAKING OR SIMILAR PRODUCTS|
    US16/442,019| US10696492B2|2018-06-14|2019-06-14|Noria-type device for transporting support plates for bakery products or the like|
    JP2019111465A| JP2020023395A|2018-06-14|2019-06-14|Noria-type device for conveying support plate for bakery product|
    HRP20210492TT| HRP20210492T1|2018-06-14|2021-03-26|Device for noria type transport of plates holding bakery products or similar|
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