WO2016110482A1

WO2016110482A1 - Cleaning apparatus for baking plates of a baking oven

Info

Publication number: WO2016110482A1
Application number: PCT/EP2016/050062
Authority: WO
Inventors: Norbert Eichmann
Original assignee: Hebenstreit Gmbh
Priority date: 2015-01-05
Filing date: 2016-01-05
Publication date: 2016-07-14
Also published as: DE102015100034A1

Abstract

Cleaning apparatus (2) for baking plates (4) of a baking oven (1), in which a plurality of sets of baking tongs (3) with two swing-open baking plates (4) can be secured at a distance apart from one another on a circulating baking-tong chain (5), which is arranged to circulate in a baking-oven housing (6), wherein the cleaning apparatus (2) has a dry-steam apparatus (7), wherein the dry-steam apparatus (7) has at least one outlet device (8) for dry steam (13), it being possible for dry steam (13) to be emitted from the outlet device, under pressure, onto a surface (14) for cleaning on the baking plate (4), and therefore the dry steam (13) can clean the surface (14) of the baking plate (4) of contaminants (16) adhering to the surface (14) of the baking plate (4).

Description

Hebenstreit GmbH

Cleaning device for baking plates one

Maker system

The invention relates to a cleaning device for baking plates of a baking machine system, in which several baking tongs with two hinged baking plates are spaced festlegba spaced from each other on a rotating baking tong chain, circulating in a baking machine housing

is arranged.

The baking plates used in a baking machine must be at intervals or at a

Product change to be cleaned. For this purpose, the baking machine system is taken out of service and made a usually manual cleaning of the individual baking plates. The individual baking plates are initially made with often aggressive chemical cleaning agents

pretreated or treated and then with water, or a food-compatible

Washed off cleaning fluid. The associated workload is significant. In addition, the necessary for cleaning downtime lead the

Baking machine plant to production losses.

To reduce the manual workload

For example, from DE 37 17 797 C2 cleaning devices for baking machines known, the

Degrading removal of baking plates are used can. In order to effectively remove the dough residues, in particular in depressions of the baking plates, chemical cleaning agents are applied to the baking plates of the automatic baking machine by the cleaning device. The

Action of the chemical cleaning agents on the

Baking plates take a longer time, so that the baking machine system during cleaning does not

can be used. After the chemical action, the chemical cleaning agents and the dough residues are removed, for example, with water from the baking plates in order not to affect the baked goods produced in the baking machine plant tastes or harmful.

Although an automation of the cleaning process can be carried out by such a cleaning, a complex subsequent cleaning of the baking plates is required to reliably remove the first applied chemical cleaning agent before baking with the baking machine is again made in the baking plates. The baking plates can be very aggressive during frequent cleaning operations

Detergents are also permanently damaged by the corrosive action of chemical cleaners.

From DE 10 2011 050 038 AI a cleaning device is known in which the cleaning is supported by a laser or a dry ice jet. In this way, where appropriate, the use of chemical

aggressive detergents and a subsequent

required elaborate post-cleaning be waived.

It is considered an object of the present invention

considered, a cleaning device such to design that a cleaning of the baking plates of the baking machine plant can be performed in the shortest possible time and the use of chemical

Cleaning agents avoided or the exposure time of the chemical cleaning agents can be significantly reduced.

This object is achieved in that the cleaning device is a dry steam device

wherein the dry steam device has at least one outlet device for dry steam, from which a dry steam is pressurized to be cleaned

Surface of the baking plate can be exuded, so that the surface of the baking plate can be cleaned by the dry steam from adhering to the surface of the baking plate impurities.

The dry steam is a superheated steam in which due to the high temperature no condensed water is present, and does not contain any chemical substances, so that after cleaning the baking plates with the

Dry steam no costly cleaning of the baking plates is necessary and the cleaning of the baking plates can be carried out in a short time.

According to the invention it is possible and also intended to combine a cleaning by means of chemical cleaning agents with dry steam cleaning. In this case, first the chemical cleaning agents to be cleaned

Baking plate are applied and after a short

Exposure time can be followed by a cleaning of the

Baking plates with the dry steam done. By the Cleaning with the dry steam can both the

Impurities as well as the chemical cleaning agents are removed and no subsequent cleaning of the baking plates is necessary. By shortening the contact time of the chemical cleaning agents, the combined cleaning can be done in a short time. According to the invention, a combination of the dry steam with chemical means is possible, whereby the cleaning of the baking plates can be carried out in an even shorter time.

A combination of a cleaning by means of the cleaning device according to the invention and a laser cleaning device is also possible according to the invention. In this case, for example, first by the laser cleaning device, the contaminants from the baking plates of

Baking machine plant removed and then a

Cleaning the baking plates with the invention

Cleaning device can be made.

Thus, the baking machine can be cleaned in a short time both with and without the chemical cleaning agent by the cleaning device according to the invention, whereby downtime of the baking machine system and thus the cost can be reduced. In addition, by a shorter exposure time of the chemical

Cleaning agents on the baking plates their life can be extended and also costs are reduced.

For a simple and inexpensive cleaning of the

To enable baking plates of the baking machine system, the cleaning device can be integrated into the baking machine system and, for example, in the field of Dough infuser detachable or pivotable or

be arranged to be displaced during a

Cleaning process in place of or in addition to a Teigaufgussvorrichtung in the open baking tongs

to be introduced. Since the baking tongs in the

Teigausgussstation the baking machine system opened by a in this area basically required and therefore already integrated opening system of the baking machine system and then closed again, an otherwise additional equipment required for an automatic opening and closing the

Backing tongs are reduced for cleaning with the cleaning device according to the invention. Furthermore, the cleaning device can be arranged in a space-saving manner in the baking machine system.

In order to enable a quick replacement of the dough pouring station and the cleaning device, the

Cleaning device and the dough pouring station

for example, be pivotally mounted on the baking machine and arranged as needed in the baking machine system. According to the invention is possible and

provided that also other cleaning systems like

For example, a laser cleaning device or a wet cleaning device can be arranged pivotably or movably on the baking machine system in order to enable a quick and effective cleaning of the baking plates by replacing the devices. According to the invention it is also provided that the

Cleaning device may have multiple outlet devices for dry steam for cleaning the baking plates. By several, for example juxtaposed outlet devices individual baking plates can be cleaned at the same time at several adjacent locations and the cleaning of the baking plates very quickly and

be carried out effectively.

In order to shift the outlet relative to the surface to be cleaned of the baking plate and thus to clean the surface of the baking plate in areas successively successively, the invention provides that the

Dry steam device has a displacement device for the outlet device. The

Displacement device can be realized for example by two linear guide systems and the

For example, shifting the outlet device in the x and y directions in a meandering manner relative to the baking plate.

Depending on the impurity level of the baking plates, according to the invention, the displacement pattern and the speed of displacement of the outlet device relative to the baking plate to be cleaned can be adjusted or changed, for example, by the user or automatically. This can additionally reduce both the cleaning time and the amount of dry steam used. Furthermore, different sized baking trays can be cleaned by the successive cleaning and the cleaning device according to the invention can be used in various automatic baking machines. In order to enable a fast and effective cleaning of the baking plates, the invention provides that the

Outlet device has at least one outlet nozzle, so that the dry steam emerging from the outlet nozzle is bundled in a jet towards the surface of the

cleansing baking plate can meet. The outlet nozzle may be configured, for example, funnel-shaped or hollow-cylindrical, and the diameter of the outlet opening of the outlet nozzle may be adapted such that a

sufficient pressure of the dry steam can be built on the back plate to be cleaned. According to the invention, it is provided that the outlet device has a nozzle displacement device, wherein the outlet nozzle on the nozzle is displaced by the nozzle displacement device

Displacement device can be displaced and / or rotated in order to change an orientation of the exited through the outlet nozzle dry steam relative to the baking plate can. Through the nozzle displacement device, the outlet nozzle can be rotated or displaced, for example, at the edges of the baking plate such that the

Dry steam preferably impinges on the surface of the baking plate or that the side surfaces of the baking plate can be cleaned.

Furthermore, the nozzle displacement device

According to the invention be designed such that the

Outlet nozzle can be rotated for example by about 180 ° and with an outlet nozzle both at an angle

mutually open baking plates of the baking tongs can be cleaned. According to one embodiment of the invention

Cleaning device is advantageously provided that the outlet device at least two outlet nozzles which can be arranged and aligned so that the two baking plates of an open baking tongs can be cleaned simultaneously. Such a configuration of the outlet device, the two baking plates of a baking tongs can be cleaned in a short time and the time required to clean the baking machine system can be further reduced. The outlet nozzles of the outlet device can be rotated by 180 ° on a common axis or at an angle to each other to allow an effective and quick cleaning of the baking plates.

Advantageously, the invention provides that the dry steam device has a cover, so that during the cleaning of the baking plate, the baking plate can be covered by the cover and the

Baking machine system can be protected from the dry steam. The cover may for example consist of a

be made elastically deformable temperature-resistant plastic and, for example, arranged around the outlet nozzle and be moved with this, so that the dry steam and detached from the baking plates

Contaminants can be completely removed near the cleaned site. Through the cover is

prevents the dry steam as well as the contaminants detached from the back plate to be cleaned from penetrating into the baking machine system and from reaching further ones

Deposit components of the baking machine system. It is also provided according to the invention that the size of the cover is adapted to the size of the baking plate, so that the cover completely the associated baking plate covers. The cover can be trapezoidal

be designed and, for example, to the

Auslasseinrichtung covering sides be deformable, so that the shape of the cover conform to the shape of the

can adjust open baking tongs. Through such a cover designed cleaning the

Baking plates are made in a very short time and the downtime of the baking machine system can be reduced.

To escape dry steam through a gap

be able to reduce between the cover and the baking plate, it is preferably provided that the cover has a laterally sealing sealing device. The

Sealing device may for example be made of a silicone, so that by the adhesive contact of the

Cover with the baking plate as little dry steam and as little contamination in the

Baking machine system can penetrate.

Advantageously, it is provided that the cover is designed trapezoidal in cross-section to the baking tongs of two standing at an angle to each other

To cover baking plates in an interior angle range. In addition, by such a configured

The cover prevents the cover from hindering or weakening the escape of the dry steam from the outlet device or from the outlet nozzle of the outlet device.

In a particularly advantageous embodiment of the

Cleaning device is inventively provided that the cover at least one elastically deformable

Has front side. Due to the elastically deformable Front side, the cover to the shape of the

Inside angle range of the baking tongs are adapted from two mutually at an angle baking plates and the surface in the narrow inner angle range

be effectively cleaned between the two baking plates in a short time.

According to the invention it is provided that the cover can be displaced and / or rotated on the

Dry vapor device is arranged, wherein the movement of the cover can be coupled with the movement of the outlet device. Such an arrangement of

Cover allows protection of the baking machine from the dry steam and the detached

Impurities regardless of the position of the

Outlet nozzle on the baking plate.

To the baking machine plant of which from the

According to the invention, it is provided that the dry-steam device has at least one outlet to protect the outlet outlet dry steam and the contaminants detached from the surface of the baking plate

Suction device has. By means of the suction device, the already used dry steam and the impurities detached from the baking plate can be sucked off and disposed of. It can also be provided according to the invention that the dry steam cooled to water is freed from the impurities and used to produce the

Dry steam can be reused.

According to the invention it is provided that the suction device displaceable and / or rotatable on the Dry steam device is arranged. So can the

Suction device dependent on the position of the

Discharge device to be rotated or relocated to remove the already used dry steam and the detached from the surface of the baking plate contaminants as completely as possible.

To the emerging from the outlet dry steam at the by the position of the outlet

It is provided that the movement of the suction device is mechanically coupled to the movement of the outlet device. Due to the mechanical coupling of the outlet and the

Suction device is achieved that no complex

Regulation of the movement of the suction device is necessary and efficient suction of the already used

Dry vapor and the detached from the surface of the baking plate contaminants is possible.

According to the invention, it is advantageously provided that the cleaning device has an opening device in order to be able to open the baking plates that have been brought together to form the baking tongs. In addition, the opening angle between the two baking plates of a baking tongs can be increased and the entire surface of the two baking plates can be cleaned easily.

Advantageously, the invention provides that the cleaning device has a docking device, wherein the cleaning device with the baking machine system mechanically and / or by the docking device

tax technology can be connected. By the Docking facility will allow the

Baking machine plant in a short time with the

Cleaning device can be connected and cleaned and that by the mechanical and / or

Control technology connection of the cleaning device with the baking machine system an additional

Synchronization of the baking machine system and the

Cleaning device can be achieved.

Further advantageous embodiments of the cleaning device according to the invention will be explained in more detail with reference to embodiments shown in the drawing. It shows:

Fig. 1 is a view of a baking machine system with a

Cleaning device;

Fig. 2 is a view of a baking machine with a arranged in the baking machine system

Cleaning device;

Fig. 3 is a view of a dry steam device;

Fig. 4 is a view of an alternatively configured

Dry steam device;

Fig. 5 is a view of a dry steam device with two

outlet nozzles;

Fig. 6 is a view of a dry steam device with

a cover; Fig. 7 is another view of that shown in Fig. 6

Dry steam device;

Fig. 8 is a view of a dry steam device with

an alternatively designed cover;

FIG. 9 is another view of that shown in FIG. 8. FIG

Dry steam device; 10 is a view of a dry steam device with

a particularly advantageous designed cover;

FIG. 11 is another view of that shown in FIG. 10. FIG

Dry steam device;

Fig. 12 is a view of a dry steam device with

an alternatively designed cover. Fig. 1 shows a schematic view of a

Backmachinery 1 with an inventive

Cleaning device 2. The baking machine 1 has a plurality of baking tongs 3 with two hinged baking plates 4, which are spaced from each other at a circumferential

Baking tong chain 5 in a baking machine housing 6

are fixed.

The arranged on the baking machine 1

Cleaning device 2 has a dry steam device 7 with an outlet device 8. To the

To be able to relocate outlet device 8 relative to the baking plate 4, the dry steam device 2 has a Displacement device 9 for the outlet device 8. The displacement device 9 can displace the outlet device 8 in the x and y directions relative to the baking plate 4, so that the surface of the baking plate 4 successively

can be cleaned.

Furthermore, the cleaning device 2 has a

Opening device 10 in order to open the merged to the baking tong 3 baking plates 4 can. A docking device 11 connects the cleaning device 2 with the baking machine 1 mechanically and / or

tax-technically, to synchronize the

To reach baking machine 1 and the cleaning device 2.

In Fig. 2 is a schematic view of

Baking machine 1 with arranged in the baking machine 1 in the field of Teigaufgussstation

Cleaning device 2 shown. The cleaning device 2 furthermore has two outlet devices 8 and two displacement devices 9. By the cleaning device 2 shown in FIG. 2, the baking plates 4 can be cleaned by two baking tongs 3 at the same time, whereby the time and effort in cleaning the baking machine 1 can be reduced.

The cleaning device 2 shown in FIG. 2 can be releasably connected to the automatic baking machine 1 and, for example, pivotable on the automatic baking machine 1.

be arranged to be able to use the cleaning device 2 instead of, for example, a Teigaufgussstation. After cleaning the Baking plates 4, the cleaning device 2 are then released from the baking machine 1 and the

Teigaufgussstation used in the baking machine 1 again and the baking machine 1 operated for the production of biscuits or waffles.

In Fig. 3 is a view of the dry steam device 7 is shown. The dry steam device 7 has the

Outlet 8 with an outlet 12, through which an emerging dry steam 13 bundled in a

Beam can hit a surface 14 of the back plate 4 to be cleaned. Furthermore, a suction device protects

15 the baking machine 1 from the emerging from the outlet nozzle 12 dry steam 13 and the detached from the surface 14 of the baking plate 4 impurities 16. By the suction device 15 can already used

Dry steam 13 and the detached from the back plate 4 impurities 16 are sucked off and disposed of. The suction device 15 can be rotated or shifted depending on the position of the outlet device 8 and the already used dry steam 13 and the of the

Surface 14 of the baking plate 4 detached contaminants

16 aspirate. The movement of the suction device 15 can be mechanically coupled to the movement of the outlet device 8, so that no complex regulation of the movement of the suction device 15 is necessary.

4 shows a view of an alternatively configured dry steam device 7. The outlet device 8 has a nozzle displacement device 17, wherein the nozzle 12 by the nozzle displacement device 12 at the Outlet 8 can be rotated for example by 180 ° and with an outlet 12 both baking plates 4 of the baking tongs 3 can be cleaned. In Fig. 5 is a view of the dry steam device 7 is shown with two outlet nozzles 12 which are arranged and aligned so that the two baking plates 4 an open baking tongs 3 can be cleaned simultaneously.

Fig. 6 and Fig. 7 show views of

Dry steam device 7 with a cover 18, wherein the baking plate 4 is completely covered by the cover 18 during cleaning and the baking machine 1 of the dry steam 13 and detached from the

Impurities 16 is additionally protected. The

Cover 18 has a first frame 19 and a second frame 20, wherein the frame 19 and 20, the

Leave baking plates 4 free for cleaning. One

deformable bellows 21 connects the frames 19 and 20

together and forms deformable end faces 22 of the

Cover 18. When relocating the

Outlet 8 and the cover 8 mechanically coupled to the outlet 8, the bellows 21 deforms and the baking plates 4 can also in a

Inside angle range 23 are cleaned. By a

Such embodiment of the cover 18 both baking plates 4 of the baking tongs 3 can be cleaned in a very short time and the baking machine 1 are protected by the dry steam 13 and the dissolved impurities 16. Fig. 8 shows a view of the dry steam device 7 with an alternatively designed cover 24, wherein the baking plate 4 is partially covered by the cover 24 during cleaning and the

Baking machine system 1 is additionally protected by the dry steam 13 and by the dissolved impurities 16. To escape dry steam 13 through a gap

between the cover 24 and the baking plate 4, the cover 24 has a sealing device 25. The cover 24 is designed trapezoidal in cross section to the baking tongs 3 of two under a

Angle to each other baking plates 4 in the

Cover interior angle range 23 can. The cover 24 further includes the elastically deformable end face 22, by which the cover 24 can be additionally adapted to the shape of the interior angle portion 23, as shown in Fig. 9. By such a designed

Cover 24 is made possible that the cleaning of the baking plate 4 can be made in a short time and that the dry steam 13 and the detached from the baking plates 4 impurities 16 completely at the

be removed cleaned place.

FIGS. 10 and 11 are views of FIG

Dry steam device 7 shown, wherein the cover 18 is adapted to the dimensions of the baking plates 4 in an advantageous manner and completely covers the baking plate 4 to be cleaned. With such an advantageous designed

Cover 18, the back plate 4 to be cleaned baking oven 1 with a single placement of the

Cover 18 are completely cleaned on the baking plate 4 and thereby cleaning the baking plate 4 in very be made in a short time. A shift of

Cover 18 during the cleaning of the baking plate 4 is not required, so that the dry steam device 7 and in particular the arrangement and guidance of the cover 18 within the dry steam device 7 can be designed inexpensively.

Furthermore, the cover 18 protects the

Backmachinery 1 of the dry steam 13 and of the dissolved from the baking plates impurities 16th

According to the invention can in the cover 18 more

Outlet 8 and several suction devices 15 are arranged to accelerate the cleaning of the baking plates 4.

FIG. 12 shows a view of another advantageously configured dry steam device 7 with the

Cover 18. The cover 18 is wedge-shaped

configured and adapted in terms of their dimensions to the open baking plates 4 in a baking tongs. In this way, the cover 18 covers both baking plates 4 of the automatic baking machine 1 at the same time. In one

Interior of the cover 18 are several

Outlet 8 arranged for dry steam to simultaneously clean both baking plates 4 can. The suction device 15 is connected to the embodiment of

Cover 18 and the multiple outlet 8 adapted to allow a thorough and effective extraction of the dry steam and the dissolved impurities. The cleaning of the baking machine 1 can be made particularly fast and effective.

Claims

Patent claims

1. Cleaning device (2) for baking plates (4) of a baking machine system (1), in which a plurality of baking tongs (3) with two hinged baking plates (4) spaced from each other on a rotating baking tong chain (5) can be fixed in a baking machine housing (6) is arranged circumferentially, characterized in that the cleaning device (2) has a dry steam device (7), wherein the dry steam device (7) at least one

Exhaust device (8) for dry steam (13), from which a dry steam (13) pressurized on a surface to be cleaned (14) of the baking plate (4) can be flowed, so that the surface (14) of the baking plate (4) through the Dry steam (13) of on the surface (14) of the baking plate (4) adhering contaminants (16) can be cleaned.

2. Cleaning device (2) according to claim 1, characterized in that the dry steam device (7) has a displacement device (9) for the outlet device (8), so that the outlet device (8) relative to the surface to be cleaned (14) of the baking plate (4) can be displaced in order to clean the surface (14) of the baking plate (4) in regions gradually successively.

3. Cleaning device (2) according to claim 1 or 2, characterized in that the outlet device (8) has at least one outlet nozzle (12), so that the the outlet nozzle (12) exiting dry steam (13)

bundled in a jet on the surface (14) of the to-clean baking plate (4) can meet.

4. Cleaning device (2) according to claim 3, characterized in that the outlet device (8) has a

Nozzle displacing means (17), whereby through the nozzle displacing means (17) the outlet nozzle (12) at the outlet means (8) can be displaced and / or rotated to direct alignment of the dry steam (13) emanating through the outlet nozzle (12) relative to the outlet nozzle (12)

To change the baking plate (4).

5. Cleaning device (2) according to claim 3 or 4, characterized in that the outlet device (8) has at least two outlet nozzles (12), the so

can be arranged and aligned that the two baking plates (4) of an open baking tongs (3) can be cleaned at the same time.

6. Cleaning device (2) according to one of the preceding claims, characterized in that the

Dry steam device (2) has a cover (18, 24), so that during the cleaning of the baking plate (4) the baking plate (4) by the cover (18, 24) can be covered and the baking machine system (1) of the

Dry steam (13) can be protected.

7. Cleaning device (2) according to claim 6, characterized in that the size of the cover (18) is adapted to the size of the baking plate (4), so that the Cover (18) completely covers the associated baking plate (4).

8. Cleaning device (2) according to claim 6 or 7, characterized in that the cover (18, 24) has a laterally sealing sealing device (25), wherein by the sealing device (25) leakage of dry steam (13) through a gap between of the

Cover (18, 24) and the baking plate (4) can be reduced or prevented.

9. cleaning device (2) according to one of claims 6 to 8, characterized in that the cover (18, 24) is designed trapezoidal in cross section, so that the baking tongs (3) from two mutually at an angle baking plates (4) in an internal angle range (23) can be covered.

10. Cleaning device (2) according to one of claims 6 to 9, characterized in that the cover (18,

24) has at least one elastically deformable end face (22), so that the cover (18, 24) can be adapted to the shape of the baking tongs (3) from two mutually at an angle baking plates (4).

11. Cleaning device (2) according to one of claims 6 to 10, characterized in that the cover (18, 24) displaceable and / or rotatable on the

Dry steam device (2) is arranged, wherein the

Movement of the cover (18, 24) with the movement of the outlet device (8) can be coupled.

12. Cleaning device (2) according to one of the preceding claims, characterized in that the

Dry steam device (2) at least one

Suction device (15), so that from the

Outlet device (8) exiting dry steam (13) and from the surface (14) of the baking plate (4) detached impurities (16) can be sucked.

13. Cleaning device (2) according to claim 12, characterized in that the suction device (15) is arranged to be displaceable and / or rotatable on the dry steam device (2).

14. Cleaning device (2) according to claim 12 or 13, characterized in that the movement of the

Suction device (15) with the movement of

Outlet device (8) is mechanically coupled, so that the dry steam (13) emerging from the outlet device (8) can be sucked off at the location predetermined by the position of the outlet device (8).

15. Cleaning device (2) according to one of the preceding claims, characterized in that the

Cleaning device (2) has an opening device (10) in order to open the baking plates (4) which are brought together to form the baking tongs (3).

16. Cleaning device (2) according to one of the preceding claims, characterized in that the

Cleaning device (2) has a docking device (11), wherein by the docking device (11) the Cleaning device (2) with the baking machine system (1) mechanically and / or tax technology can be connected.