WO2021198366A1

WO2021198366A1 - Cool store

Info

Publication number: WO2021198366A1
Application number: PCT/EP2021/058495
Authority: WO
Inventors: Rainer Runkel; Christian Freund; Dieter WALL; Felix Reinhard
Original assignee: Winkler und Dünnebier Süßwarenmaschinen GmbH
Priority date: 2020-04-03
Filing date: 2021-03-31
Publication date: 2021-10-07
Also published as: DE102020109392A1; EP3962285A1

Abstract

The invention relates to a cool store (1) for an industrial confectionery machine which operates with moulds (8), at least comprising a cooling-air unit (2, 82), a storage module (3, 59, 63, 64, 68, 69, 70, 71, 84, 85) for moulds, an air-shaft module (4, 65); wherein the storage module comprises stationary tiers (6) for at least one mould (8) per tier; wherein the storage module can be detachably connected to the air-shaft module, a loading module (5, 77, 83) is provided and the storage module is provided with a flow-permeable housing wall (47) which abuts the air-shaft module (4, 65) during operation.

Description

Cold storage

The invention relates to a cooling storage for an industri elle confectionery machine that works with casting molds, the cooling storage comprising at least one cooling air unit, a storage module for casting molds, an air duct module, where the storage module has stationary floors for at least one casting mold per floor.

In DE 409442 A, a generic cold store has been proposed, which is intended for the cocoa and chocolate industry. The well-known cold store is used to cool and store confectionery products in the course of their production for a longer time. For this purpose, it has an air duct module that is designed as a surrounding cabinet, as well as a fan that can suck in air from below from the air duct module and blow the air back into the air duct module at the top. The storage module comprises several levels, so-called wings, which are formed from iron rings. Casting molds can be placed and saved on the iron rings. The blown air is passed inside the duct module via a cooling coil above angeord designated, which should consist of tubes with ribbed jackets. The cooled air then falls down in the air duct module, where it should wash around the casting molds with the goods to be cooled. A central cross-section within the air duct module remains free of casting molds, so that cooled air can flow down there centrally without washing around the casting molds that are placed on the iron rings. The efficiency of the known cold store is therefore unsatisfactory. In addition, only individual casting molds can be fed in and removed via flaps.

So-called flow refrigerators for confectionery machines are also known. All casting molds are moved through a cooling zone and cooling air flows around all casting molds that are moved through. If contamination gets into the cooling air, it can easily be transferred to all molds that come into contact with the contaminated cooling air flow.

The object of the invention is to propose a cooling store that enables more efficient cooling and charging.

According to the invention, the object is achieved in that the storage module can be detachably connected to the air duct module, that a charging module is provided, and that the storage module is provided with a flow-permeable housing wall that rests against the air duct module during operation.

Cooling air with an overpressure is required in the air shaft module, namely an overpressure compared to the air pressure of the surrounding atmosphere. This overpressure is provided accordingly by the cooling air unit.

The flow-permeable housing wall is expediently designed as a rear wall of the storage module. Of the Cooling air flow then passes through the storage module relative to the plane of the rear wall in a perpendicular direction away from the rear wall towards the opposite side of the memory module. The cooling air flow expediently emerges from the storage module on this opposite side. Any dirt particles are transported out, which prevents soiling in which the confectionery articles in the casting molds could be contaminated by the cooling air flowing around them.

With the loading module, the stationary floors of the storage module can optionally be loaded and unloaded with casting molds in any order. The dwell time of each mold is arbitrary. The loading and unloading of each individual mold can be controlled individually. In this way, different confectionery articles can be stored in a storage module, especially confectionery articles that require very different cooling times.

The proposed cool storage proves to be particularly advantageous in combination with the transport system according to DE 10 2019 101 290 B3, to which reference is made in this regard. The transport system of this reference is intended for industrial confectionery machines. Individual production stations of a confectionery machine can be used effectively by means of the transport system. The TransportSystem assists in appropriately adapting the capacity requirements of a production station. The cold store proposed here is to be understood as a production station in the sense of this reference document and the transport system mentioned in the reference document relates directly to the teaching of the present cold store.

The cold store can be further improved by providing a storage cabinet that has an interior space defined, and wherein at least the duct module, the storage module and the loading module are arranged in the interior of the storage cabinet. The cooling air unit can be operated energy-efficiently if it only has to condition the air volume in the interior of the storage cabinet. The cooling air unit can also be designed to bring about heating instead of cooling, in which case it is then designed in the broader sense as a temperature control unit that can cool and / or heat.

In order to be able to operate the cooling storage in an energy-efficient manner, the storage cabinet is expediently provided with thermal insulation so that heat exchange is reduced by means of the thermal insulation between the cooling air in the interior of the storage cabinet and the air in the surrounding atmosphere on the outside of the storage cabinet.

For handling, it is useful if an interchangeable lock is provided for coupling between the storage module and the duct module, which has two interacting coupling elements, a first coupling element on the duct module and the cooperating second coupling element on the storage module. The interchangeable lock can conveniently be actuated without the aid of a tool. When the coupling elements of the Wechselver circuit are joined together, a fluidic coupling is automatically associated.

The coupling and uncoupling of the storage module on the air duct module can be simplified if the coupling elements of the interchangeable lock are designed as hook-on locks. It is then a suspendable lock, by means of which the relative position between the flow-permeable housing wall and the air duct module can be easily fixed. At the same time, the Fluidic coupling produced simply and functionally reliable. Easily, a second lock in the lower area can be seen as a form-fitting position securing device.

Another benefit is seen when the air duct module is mounted rotatably about an axis of rotation and forms a revolverar term rotatable first cooling zone together with at least one storage module that can be coupled. Each module side of the air shaft module to which a storage module is coupled can be rotated around the axis into a desired position. For the purpose of loading or removing casting molds, the respective storage module can be rotated to the position at which the loading module is arranged.

It is advantageous if a front side of the storage module is provided with at least one loading opening for loading and unloading casting molds. The loading opening can also serve as an outlet opening for the cooling air flow. The loading opening is expediently located on a front side of the storage module. It is arranged opposite the flow-permeable housing wall, provided it is designed as the rear wall of the storage module, as suggested above. Each side of the duct module can be rotated with the coupled storage module into a rotary position in which the loading opening faces the loading module. In this rotational position, a casting mold can be loaded into or unloaded from the storage module.

The area of application of the cold store can be expanded by providing at least one further air duct module which also has an axis of rotation, the further air duct module being provided with at least one connectable storage module and a further revolver-like rotatable cooling zone forms, and a second loading module is provided between these two cooling zones. The further development proposed here with a second cooling zone can at least serve to increase the storage capacity. In addition, this development is also suitable for cooling the first and second cooling zones to different degrees. For this purpose, a separate cooling air unit can be provided, each of which supplies one of the two cooling zones with cooling air, or a single cooling air unit is provided with separately controllable cooling air outlets in order to cool two cooling zones differently from one another.

It is also useful if a third loading module is provided which is assigned to the second cooling zone, which can be rotated like a turret. A further loading module is expediently provided for each additional cooling zone.

In addition, it is useful if the flow-permeable housing wall of the storage module is provided with inlet openings, by means of which the casting mold can be flowed around by the cooling air in a main flow direction, the main flow direction being parallel to the level of the receptacle of the casting mold, or parallel to the level of a stored one Casting mold. In addition, the main flow direction is preferably also parallel to the normal to the flow-permeable housing wall. From the cooling air that is freshly fed from the cooling air unit into the air duct module, flow components branch off via the inlet openings, which are expediently arranged in floors. The flow component that flushes through one floor then exits the storage module without flowing through another floor. Any dirt that gets into the cooling air flow is diverted after a casting mold has been rinsed, so that no larger number of casting molds with the volume flow the cooling air can come into contact. This measure is very advantageous for reasons of hygiene. Alternatively, flow-guiding elements can be connected downstream of the inlet openings.

The inlet openings can simply be designed as elongated holes. They cause flow resistance and allow the cooling air to exit the air duct module evenly. In order to ensure the desired flow direction, air guiding elements can be installed, which are oriented relative to the casting mold on a floor so that the cooling air sweeps over the top and bottom of the casting mold and does not hit a side surface of the casting mold and swirl around there.

A further improvement is seen in the fact that the loading module comprises at least one gripping element for a casting mold or several gripping elements arranged one above the other at a distance from one another so that several casting molds can be transferred at the same time.

To increase the storage capacity, an additional storage module can be provided that can be attached to an existing storage module, namely on the housing side where cooling air exits from the first storage module, which can be coupled to the flow-permeable housing wall of the second storage module. Seen in the direction of flow, the second storage module is connected in series behind the first storage module. The cooling air coming from the air duct module then first passes through the first storage module and then flows on through the second storage module in order to exit it. The part of the flow that emerges from the air duct module on one floor flows through two storage modules arranged one behind the other on the same floor. The number of molds that are doing with the same The volume of cooling air that comes into contact is still very low and, in terms of hygiene, a considerable improvement over so-called flow refrigerators.

The capacity can be increased in a simple manner by means of a second storage module that can be coupled to a first storage module.

A cooling air line is preferably provided which leads from the cooling air unit to the air duct module, with an air flow being able to be generated in the air duct module by means of the cooling air line. For the desired overpressure in the air shaft module with respect to the surrounding atmosphere, the cooling air is expediently passed through an air straightening element which is arranged at the top of the air shaft module. The air rectification element forms a flow resistance and uses a uniform build-up of the desired overpressure. At the bottom, the air shaft module is provided with a floor that prevents air from escaping downwards.

A suction module can be assigned to the storage module, in which case cooling air can be sucked off with the suction module, which air advantageously emerges from the charging opening of the storage module. The exhaust air is fed back to the cooling air unit from the suction module, so that an air circuit is formed. The air can thus be kept in a desired conditioned state simply and efficiently. Furthermore, filter elements can be arranged in the suction module. With the filter elements, cooling air can be filtered or cleaned in order to allow it to flow again as clean air to the casting molds with the confectionery articles contained therein. Appropriately, a Grundge is provided alternate for the air shaft module on which it rests, wherein the base frame comprises a support plane and legs. Of the components of the base frame, such as supports and cross members and others Components, such as walls, floor and ceiling, at least one component is advantageously made of a lightweight material such as aluminum or plastic or a composite material.

It is also helpful if a cavity below the supporting plane of the base frame is fluidically connected to the suction module. Cooling air extracted from one or more extraction modules can be brought together into the cavity and can be guided back to the cooling air unit from the cavity.

A bearing for the axis of rotation of the duct module is expediently assigned to the supporting plane of the base frame.

In addition, the support plane of the base frame can be assigned a drive device with which the rotary motion of the duct module can be generated.

A particular benefit is seen when the storage module has at least one receptacle for a means for lifting the storage module.

The receptacle for the means for lifting can simply be provided with pocket-shaped receptacles or tubes, so that forks of a lift truck or forklift truck can be attached. Instead of such an industrial truck, a hoist, such as a crane, can be used for lifting. For this purpose, a holding element for a stop means can be provided on the storage module.

It is also regarded as a separate inventive idea if at least one storage module has at least one stationary floor which serves as a buffer zone for casting molds. Casting molds that are stored in this buffer zone do not necessarily have to be cooled. The memory module With the buffer zone, there is space for more casting molds than those that absolutely require cooling. The space required for casting molds to be cooled is therefore less than the total available space for casting molds. In this way, the excess space can be used for intermediate storage of casting molds. If cached casting molds already contain finished confectionery articles or still contains unfinished confectionery articles, then these must at least be able to endure the cooling in the storage module.

In principle, the entire space of all storage modules can also serve as a large buffer zone. The aspect of cooling can take a back seat and the cooling capacity can be throttled or switched off. In principle, a cooling air unit and all other device components may be omitted hanging ogether with the aspect of cooling _Z. It is then a pure Speicherervorrich device for casting molds, which in an industrial confectionery machine is able to flexibly accommodate and deliver casting molds. In this way, a filled or empty casting mold can be stored temporarily if necessary. Each individual casting mold can be loaded into the storage device with the loading module at any time, or it can be removed from the storage device at any time.

The proposed cooling storage for an industrial confectionery machine is not limited to the storage, cooling or heating of casting molds in the field of confectionery, but is also suitable for casting molds that can contain food supplements or, in special cases, pharmaceutical products. The molds can have any shape or size. The casting molds can be accommodated in the cooling storage unit in order to be supplied with cooling air or warm air, or the cooling storage unit serves as a simple mold reservoir.

In general, good cleanability and hygienic construction speak in favor of the cold store. Due to its modular design, the shape and size of the cold store can be varied, the number of levels of a storage module can be modified and each storage module can also be cleaned outside the cold store.

Flexible loading of casting molds into the storage module is particularly advantageous. Casting molds can be placed in and removed from the storage module in any order.

For this reason, different products with different cooling times can be realized within one production batch with the cooling storage system according to the invention. The cold store is suitable for continuous or discontinuous operation.

Embodiments of the invention are shown by way of example in a drawing and described in detail with reference to several figs. The figures show: FIG. 1 a schematic representation of a cold store according to the invention,

FIG. 2 shows a schematic representation of a further development of the cooling store according to FIG. 1,

Fig. 3 shows the duct module from Fig. 1 with the associated th base frame,

FIG. 4 shows the memory module from FIG. 1,

5 shows an alternative memory module,

6 shows a schematic representation of a cooling store with two storage modules and a rotatable air duct module,

Fig. 7 shows a detail of a Kühlspei chers with a revolver-like rotatable cooling zone comprising four coupled storage modules on egg nem rotatable duct module,

8 shows an embodiment of a cooling store with two cooling zones which can be rotated like a revolver,

FIG. 9 shows a further view of the cooling store according to FIG.

8th,

10 shows a further embodiment of a cooling store with two storage modules.

According to Fig. 1, the cooling storage 1 according to the invention comprises a cooling air unit 2, a storage module 3, an air duct module 4 and a loading module 5. The storage module 3 has several floors 6 with receiving spaces 7 for a casting mold 8 each and the storage module is on the side of the air duct module 4 coupled, with a flow permeability between the air duct module 4 and the memory module 3 is guaranteed.

In the present example, a storage cabinet 9 is also provided with an interior 10 in which the air shaft module 4, the storage module 3 and the charging module 5 find space. The cooling air unit 2 is arranged outside the storage cabinet 9 in the present example. In addition, the storage cabinet is provided with thermal insulation 11 in this example.

The proposed cold storage 1 is provided for an industrial confectionery machine that works with the mentioned Gießfor men 8. The confectionery machine shown in the example is combined with a transport system according to DE 102019 101 290 B3, reference being made to this document because the present case is also about an interface between the transport system and the proposed cold store 1. In Fig. 1, a transport rail 12 of the transport system is shown as well as rail-guided slide elements 13 with a receiving device 14 arranged thereon, on which a casting mold 8 is transported. The interface is shown in Fig. 1, inter alia, in that the storage cabinet 9 is provided with a through opening 15 for the transport rail 12 and the slide elements 13 with the receiving device 14 arranged thereon. On the receiving device 14, the casting mold 8 enters the storage cabinet 9. The receiving device 14 can be transported up to the charging module 5 of the cold store, as shown in FIG. 1 with a casting mold 8. This illustrated position of the casting mold 8 represents a transfer position PI. The transport movement of the receiving device 14 stops at this transfer position PI. The charged casting mold 8 can then be taken over by the loading module 5 from the receiving device 14 of the transport system, which also functions as an interface between the transport system and the cold store. Of course, at this interface, casting molds 8 can also be transferred in the opposite direction from the cooling store 1 back into the transport system.

The loading module 5 has a loading slide 16 which can perform a lifting movement V on a guide column 17 upwards and downwards. On the loading carriage 16 gripping elements 18 for casting molds 8 are vorgese hen. In the present example, gripping elements 18 are arranged one above the other for three casting molds. The gripping elements 18 can be opened and closed in order to close a casting mold 8 grab or release. The gripping elements 18 have a vertical distance from one another, which corresponds to the floor distance of the receiving spaces 7 in the storage module 3, so that the three casting molds 8 can be transferred back and forth between the loading module 5 and the storage module 3 at the same time Floor individually controlled so that a single mold 8 can be gripped or held while at the same time casting molds are released on the other floors.

Furthermore, the gripping elements 18 can be retracted and extended horizontally with respect to the loading carriage 16. The gripping elements 18 must be in relation to the loading carriage 16 in a horizontally retracted position Hl if the loading carriage 16 is to perform a lifting movement up or down. The gripping elements 18 are only moved into the extended position H2 when a casting mold 8 is to be loaded into the storage module 3 because the gripping elements 18 then protrude into the storage module 3 through a loading opening 19. In this way, the casting mold 8 is moved horizontally into the storage module 3 until it has reached its receiving space 7. The gripping elements 18 can then release the casting mold 8 and place it on the receiving space 7. Next, the gripping elements 18 are moved horizontally out of the storage module 3 again, which means that they are moved relative to the loading carriage 16 into the moved-in position HI. Then the next lifting movement is possible. In Fig. 1, the retracted position Hl of the gripping elements 18 is shown, in which a lifting movement of the loading carriage 16 can be carried out.

Two important components of the cooling storage system according to the invention are the aforementioned duct module 4 and the Storage module 3. The duct module 4 has an air-leading and air-distributing function. In the present example, it is also designed to act as a carrier for the memory module 3. The storage module 3 is coupled to the air duct module 4. The entire load of the memory module 3 goes through the duct module 4 in a Grundge alternate 20 on which the duct module 4 is stored. The base frame 20 has a support plane 21 and legs 22. An underside 23 of the memory module 3 hangs freely in the room. In this way, in the present example, there is space below the storage module 3, which is used to guide the transport rail 12 of the transport system along a curve 24 there. Underneath the storage module 3, slide elements 13 can therefore be moved long with a receiving device 14.

In the example in FIG. 1, as mentioned above, the cooling air unit 2 is arranged outside the storage cabinet 9. For this purpose, the storage cabinet has an opening 25 for a cooling air line 26 connected to the cooling air unit. Conditioned cooling air can be conveyed into the air shaft module 4 through the cooling air line 26. In this way, a slight overpressure is generated in the air duct module 4. The slight over pressure relates to the air pressure in the storage cabinet 9 prevails. The storage module 3 has a rear wall 27, which is fluidically coupled to one side 28 of the air duct module 4. The cooling air flow L, due to the pressure gradient between the air duct module 4 and the atmosphere A outside of the air duct module 4, initially runs through the flow-permeable rear wall 27 of the storage module 3 and continues to flow in a direction perpendicular to this rear wall 27 towards the opposite side of the storage module 3 provided with the loading opening 19, where it can flow out of this. Included The cooling air flow L sweeps over the casting molds 8, which are accommodated in the storage module 3. The molds 8 he drive in this way cooling by convection.

FIG. 2 shows a further development of the cooling store 1 according to FIG. 1, which differs from FIG. 1 only in that a suction module 29 and a fan VI are provided. The suction module 29 is arranged next to the loading opening 19 of the storage module 3. Cooling air emerges from the charging opening 19 and is sucked off by the suction module 29 and fed back to the cooling air unit 2. The fan VI, which is arranged near the cooling air unit in the cooling air line, is used for this.

Fig. 3 shows an air shaft module 4 and a base frame 20. The base frame 20 is set up on a building floor and itself serves as a base for the air shaft module 4. The air shaft module 4 has four sides, three sides with closed walls 30, 31 and 32 are provided and one side 33 is open. A closed bottom 34 is provided at the bottom of the air duct module 4 and a ceiling 35 with an opening 36 for connecting a cooling air line 26 is provided at the top The pressure in the cooling air line 26 increases so that the pressure in the cooling air line 26 is higher than in the air duct module 4. The air rectifying element 38 ensures that the air flows evenly over the entire cross section of the perforated screen 37 into the air duct module 4.

A storage module 3 can be coupled to the open side 33 of the air duct module 4. For this purpose, a coupling element 39, which belongs to an interchangeable lock 40, is arranged at the top of the air duct module 4. The interchangeable clasp is in this example a hanging lock 41, which can be operated without the aid of tools. A means for lifting the memory module 3 is only required. The coupling element 39 is designed as a hook receptacle 42 for this purpose. A complementary suspension hook 43, as shown in FIGS. 4 and 5, can be hooked in and unhooked on the hook receptacle 42.

FIGS. 4 and 5 show two examples of a storage module 3. Both examples each have a suspension hook 43 on an upper side of the storage module 3, which cooperates with the hook receptacle 42 of the air duct module 4 and forms a hanging lock 41. Both examples of the storage module 3 also have an open front side 44, closed side walls 45 and 46 and a flow-permeable rear wall 47. The open front side forms a loading opening 48 through which casting molds 8 can be loaded and unloaded.

To store casting molds 8, receiving spaces 7 are arranged one above the other in floors. Each receiving space 7 has on the inner sides of the two side walls 45 and 46 on position elements 49, which can carry the mold 8. In Fig. 5 3 casting molds 8 are present on the upper four receiving spaces 7 of the storage module, while all other receiving spaces 7 are free. On the underside 23 of the storage module 3 of Figures 4 and 5, two box-shaped tubes 50 and 51 are arranged which form a means for positioning and lateral fixing of forks of a suitable industrial truck, such as a lift truck or forklift. The hanging lock 41 can be released from the hooked-in, locked state by simply lifting the storage module 3, and the entire storage module 3 can be decoupled from the air duct module 4 and removed will. The storage module 3 can thus be removed from the cooling storage unit 1. It can be exchanged quickly and easily for maintenance or cleaning purposes. Alternatively, at least one holding element can be arranged on the top or on the side of the storage module 3 in order to attach a stop means for a hoist instead of an industrial truck.

On the memory module of FIG. 4, the suspension hook 43 is configured as a light suspension hook made of relatively thin sheet metal 52. In contrast to this, in the example in FIG. 5, a stronger suspension hook is provided. The stronger hanging hook is composed of several parts 53 which are made from thicker plate material made of metal.

The rear wall 47 is strömungsdurchläs sig in both examples, which is shown at least in FIG. In the rear wall several inlet openings 54 in the form of elongated holes are provided in layers, which effect a flow resistance like a diaphragm. In addition, flow guide elements 55 are arranged on the inside of the rear wall 47, which guide the cooling air that penetrates through the inlet openings 54 in the desired flow direction. The flow guide elements 55 comprise vertical plates 56 and horizontal plates 57 which cross each other and result in a raster-shaped arrangement 58.

Another example of a cold store 1 is shown in FIG. 6. It is based on the example of FIG. 1. The storage cabinet provided has been omitted in the drawing for the sake of simplicity. In contrast to FIG. 1, two storage modules 3 and 59 are provided in this example and can be coupled to an air duct module 4, as shown in FIG. 6. For this purpose, the duct module 4 is provided on opposite sides with a hook receptacle 42 and 60 and the two storage modules 3 and 59 are each provided with one complementary suspension hooks 43 and 61 are provided. As a result of this measure, an air duct module 4 can carry two storage modules 3 and 59 at the same time. Both storage modules are designed like the example in FIG. 5 and both are fluidically coupled to the duct module 4, as described above. The storage module 3 faces the loading module 5 and can be loaded and unloaded with casting molds, as explained above with regard to FIG. 1. The second storage module 59 faces away from the loading module 5 as shown in FIG. So that the second storage module 59 can also be loaded and unloaded, a vertical axis of rotation 62 is provided for the air shaft module 4 and a drive device Ml with a drive motor for the rotary movement of the air shaft module 4 59 can be rotated. In this way, the second storage module 59 can also be turned onto the side of the loading module 5 in order to be loaded and unloaded with casting molds.

Another embodiment of the cooling store 1 is shown in detail in FIG. 7. It has an air duct module 4 which, like the previous example, is also rotatable about a vertical axis of rotation 62 and is arranged on a base frame 20 with a support plane 21. The cooling unit, which is also present, is not shown. In this example, four storage modules 3, 59, 63 and 64 are coupled to the air duct module 4, specifically a storage module on each of the four sides of the air duct module 4. The assembly of air duct module 4 and four storage modules forms a turret-like rotatable cooling zone Kl. Each of the four storage modules can be rotated into a loading position in which it faces the loading module 5. Each of the four memory modules corresponds to the memory module according to FIG. 4. Another example of a cooling store 1 according to the invention is shown on the basis of FIGS. This example is based on the embodiment with a revolver-like rotatable cooling zone Kl according to FIG. 7. According to FIG. 8, however, the cooling store comprises a revolver-like rotatable first cooling zone Kl and a revolver-like rotatable second cooling zone K2.

Both the rotatable first cooling zone Kl and the rotatable second cooling zone K2 each comprise an air duct module 4 or

65, which is rotatable about a vertical axis of rotation 62 or 66. Each duct module 4 and 65 is arranged on a base frame 20 and 67, respectively. Storage modules 3, 59, 63 and 64 are coupled to the first air duct module 4 and storage modules 68, 69, 70 and 71 are coupled to the duct module 65. In addition, four suction modules are assigned to each of the two cooling zones, such as the suction modules 72, 73, 74 and 75 of the first cooling zone Kl. Under the support plane 21 of the base frame 20, a cavity 76 is provided which is connected to the suction modules. The extracted air from all extraction modules 72, 73, 74 and 75 flows into the cavity 76. A fan (shown schematically in FIG. 2) arranged in or near the cooling unit 2 sucks the air that has flowed into the cavity 76 and conveys it back into it the air shaft module 4, so that an air circuit is formed.

A second loading module 77 is provided between the two cooling zones Kl and K2, with which the casting molds can be transferred between the two cooling zones Kl and K2. The second loading module 77 comprises the functionality of the first loading module 5, ie it can be moved upwards and downwards and comprises gripping elements 78 which can be extended and retracted horizontally. In addition, the second loading module 77 has a vertical axis of rotation 79. This axis of rotation can do this second loading module 77 rotate its gripping elements 78 back and forth between two loading positions. In a first loading position, it faces a storage module 59 which is coupled to the air duct module 4 of the first cooling zone Kl. In the second loading position, it faces a storage module 68 which is assigned to the second cooling zone K2.

All memory modules are compatible with the two air duct modules 4 and 65. If a memory module 3, 59, 63,

64, 68, 69, 70 and 71 is decoupled from an air duct module 4 or 65, e.g. for cleaning purposes, it can then be coupled together with another duct module 4 or 65 than before.

The two air duct modules 4 and 65 in FIG. 8 are connected to separate cooling air units 2 and 82 via separate cooling air lines 80 and 81, as can be seen in FIG. 9. The two cooling air units produce different levels of cooling, which can be provided by different temperatures of the cooling air or different volume flows of the cooling air.

In FIG. 9, the cooling store 1 according to FIG. 8 is shown from one side. A first loading module 5 can be seen on this side, which contains the storage modules 3, 59,

63 and 64 of the revolver-like rotatable first cooling zone Kl can load and unload. The function of the first loading module 5 corresponds to that of the loading module in Fig. 1. Furthermore, the transport system according to DE 102019 101 290 B3 is shown, namely its transport rail 12 and rail-guided slide elements 13 with receiving devices 14 for casting molds 8 arranged thereon 9, the two cooling air units 2 and 82 are provided and in each case a cooling air line 80 or 81 which leads to one of the Duct modules 4 and 65 leads. The transport rail 12 runs in a curve around the cooling air units 2 and 82. Sufficient space can be seen below the storage module 63 for the slide elements 13 and receiving devices 14 so that the receiving device 14 can be moved along the transport rail 12 under the storage module.

In the example of Figures 8 and 9, a storage cabinet (not shown) is provided, which surrounds the same components of the cold storage as in Fig. 1 and additionally the two cooling air units 2 and 82 in the interior of the storage cabinet.

The second cooling zone K2, which can be rotated in the manner of a revolver, is assigned a further loading module 83, which is largely covered in FIGS. It has the same structure and the same functionality as the first loading module 5, which is assigned to the revolver-like rotatable first cooling zone Kl.

The transport rail 12 runs in a 180 ° curve around the cooling units 2 and 82. Casting molds can be transported to the loading module 5 from both directions and also from both directions to the loading module 83.

It is also possible to transport casting molds in both directions on the transport rail. Each of these two loading modules can transfer molds 8 from the transport system to the associated cooling zone K1 or K2 of the cold store. In addition, casting molds can optionally be transferred back to the transport system from the first or second loading module 5 or 83, because they can be transferred back and forth between the two cooling zones K1 and K2 by means of the second loading module 77. In principle, in one version, the two cooling zones Kl and K2 has, as shown in Figs. 8 and 9, a third loading module can also be omitted if a transfer between these two cooling zones can be dispensed with.

Another example of a cooling store 1 is shown in FIG. 10. The special feature of this example is that two memory modules 84 and 85 are connected in series. The storage module 84 is directly coupled to the air duct module 4 and the storage module 85 is coupled to the inner storage module 84. The inner storage module 84 must first be loaded with molds. It is coupled to the air duct module 4 with a suspension lock 86, which is formed from a hook receptacle 87 and a suspension hook 88. In addition, the inner storage module 84 for its part has a hook receptacle 89 in order to couple the outer storage module 85.

This is hen with a matching hanging hook 90 verses. Cooling air flows out of the air shaft module 4 first into the inner storage module 84 and from there on through the outer storage module 85.

List of reference symbols

1 cold store

2 cooling air unit

3 memory module

4 duct module

5 loading module

6th floor

7 location

8 mold

9 storage cabinet

10 interior

11 thermal insulation

12 transport rail

13 slide element

14 Reception facility

15 through opening

16 loading slides

17 guide pillar

18 gripping elements

19 Loading opening

20 base frame 21 support level

22 pillar

23 bottom

24 curve

25 opening

26 cooling air duct

27 back panel

28 side (duct module)

29 suction module

30 wall

31 wall

32 wall

33 open side (duct module)

34 soil

35 ceiling

36 opening

37 perforated bezel

38 Air rectification element

39 coupling element

40 bill of exchange closure

41 hook-on fastener

42 hook mount

43 suspension hook

44 front

45 side wall

46 sidewall

47 back panel

48 Loading opening

49 Support element

50 box-shaped tube

51 box-shaped tube

52 sheet metal (hanging hook)

53 pieces (hanging hook)

54 inlet opening 55 flow guide element

56 vertical plate

57 horizontal plate

58 grid-shaped arrangement

59 memory module

60 hook mount

61 suspension hook

62 vertical axis of rotation

63 memory module

64 memory module

65 duct module

66 vertical axis of rotation

67 base frame

68 memory module

69 memory module

70 memory module

71 memory module

72 suction module

73 Extraction module

74 Extraction module

75 suction module

76 cavity

77 second loading module

78 gripping element

79 axis of rotation (second loading module)

80 cooling air duct

81 cooling air duct

82 cooling air unit

83 additional loading module

84 memory module

85 memory module

86 hook-on fastener

87 hook mount

88 suspension hook 89 hook mount

90 suspension hooks

Hl retracted position H2 extended position

Kl revolver-like rotatable first cooling zone

K2 revolver-like rotatable second cooling zone

L cooling air flow

Ml drive device PI transfer position

V lifting movement

VI fan

Claims

1. Cool storage (1) for an industrial confectionery machine that works with casting molds (8), at least to include a cooling air unit (2, 82), a storage module (3, 59, 63, 64, 68, 69, 70, 71, 84, 85) for casting molds, an air duct module (4, 65), the storage module having stationary floors (6) for at least one casting mold (8) per floor, characterized in that the storage module can be detachably connected to the air duct module, that a charging module (5, 77, 83) is provided, and that the storage module is provided with a flow-permeable housing wall (47) which rests against the air duct module (4, 65) during operation.

2. cooling storage (1) according to claim 1, characterized in that a storage cabinet (9) is provided which defines an interior space (10), and that at least the duct module (4, 65), the storage module (3, 59, 63, 64, 68, 69, 70, 71, 84, 85) and the loading module (5, 77, 83) in the interior (10) of the storage cabinet (9) are arranged.

3. cooling storage (1) according to claim 2, characterized in that the storage cabinet (9) is provided with thermal insulation (11) that between the cooling air in the interior (10) of the storage cabinet (9) and the air of the surrounding Atmosphere on the outside of the storage cabinet (9), a heat exchange by means of the thermal insulation (11) is reduced.

4. cooling storage (1) according to one of claims 1 to 3, characterized in that for coupling between storage module (3, 59, 63, 64, 68, 69, 70, 71, 84, 85) and duct module (4, 65 ) an interchangeable fastener (40) is provided which has two cooperating coupling elements, of which a first coupling element is arranged on the air duct module and the second coupling element, which is to cooperate therewith, is arranged on the storage module.

5. Cooling store according to one of claims 1 to 4, characterized in that the air shaft module (4, 65) is rotatably mounted about an axis of rotation (62, 66) and is jointly mounted with at least one connectable storage module (3, 59, 63, 64 ) forms a revolver-like rotatable first cooling zone (Kl).

6. Cooling store according to one of claims 1 to 5, characterized in that a front side of the storage module (3, 59, 63, 64, 68, 69, 70, 71, 84, 85) with at least one loading opening (19, 48) is hen for loading and unloading molds (8) verses.

7. cooling storage (1) according to claim 5 or 6, characterized in that at least one further Air shaft module (65) is provided which has an axis of rotation (66), wherein the further air shaft module (65) is provided with at least one attachable storage module (68, 69, 70, 71) and at least one white tere revolver-like rotatable cooling zone (K2) forms, and a second loading module (77) is provided between these two cooling zones (Kl, K2).

8. cooling store (1) according to claim 7, characterized in that a further charging module (83) is provided that the second turret cooling zone (K2) is assigned.

9. cooling storage (1) according to one of claims 1 to 8, characterized in that the flow-permeable housing wall (47) of the storage module (3, 59, 63, 64, 68, 69, 70, 71, 84, 85) with inlet opening openings (54) is provided, by means of which the casting mold can be flown around by the cooling air in a main flow direction, the main flow direction being parallel to the plane of the receiving space (7) of the casting mold (8).

10. cooling storage (1) according to one of claims 1 to 9, characterized in that the loading module (5, 77, 83) comprises at least one gripping element (18, 78) for a casting mold (8) or several arranged at a distance from one another Gripping elements (18, 78) so that several casting molds (8) can be transferred at the same time.

11. cooling storage (1) according to one of claims 1 to 10, characterized in that a cooling air line (26, 80, 81) is provided which leads from the cooling air unit (2, 82) to the air duct module (4, 65) that an air flow by means of the cooling air line can be generated in the air duct module (4, 65).

12. Cooling store according to one of claims 1 to 11, characterized in that the storage module (3, 59, 63, 64, 68, 69, 70, 71, 84, 85) has a suction module (72, 73, 74, 75) is assigned that the suction module can be used to extract cooling air which exits from the loading opening (19, 48) of the storage module.

13. cooling storage (1) according to any one of claims 1 to 12, characterized in that for the

Air shaft module (4, 65) a base frame (20, 67) is seen on which the air shaft module is supported, the base frame comprising a support plane and legs,

14. Cold storage (1) according to claim 13, characterized in that the base frame (20, 67) below the support plane (21) has a cavity (76) which flows with the suction module (72, 73, 74, 75) is metrologically connected.

15. cold storage (1) according to claim 13 or 14, characterized in that the support plane of the base frame (20, 67) has a bearing for the axis of rotation

(62, 66) of the duct module (4, 65) is assigned.

16. Cold storage (1) according to one of claims 13 to 15, characterized in that the support plane (21) of the base frame (20) is assigned a drive device (Ml) with which the rotary movement of the air duct module (4, 65) can be generated is.

17. Cooling store according to one of claims 1 to 16, characterized in that the storage module (3, 59, 63, 64, 68, 69, 70, 71, 84, 85) we at least one receptacle for a means for lifting the Having memory module.

18. Cooling store according to one of claims 1 to 17, characterized in that at least one storage module (3, 59, 63, 64, 68, 69, 70, 71, 84, 85) has at least one stationary floor (6), which as Buffer zone for casting molds (8) that do not require cooling.