DE202004002381U1 - Display oven enhancing appeal of bakery wares to customers, is associated with loading trolley having carriers permitting insertion and removal into each baking chamber - Google Patents

Abstract

The loading trolley (14) associated with the oven has baking tray carriers (12, 13) for each baking chamber (10, 11), allowing sliding into the appropriate chamber and drawing out from it. Dimensions and locations of carriers match those of the oven chambers. Guides (8, 9, 23, 24) in the oven chambers and on the trolley provide mutual alignment when positioning. A centering device (21) based on a mating recess and wedge system further assists alignment. A further centering device on the trolley facilitates docking and alignment after bodily rotation through 180[deg]. The guides comprise rails (26, 27) and rollers (25). This arrangement is further detailed. Further details are also provided of locking devices, rockers facilitating transfers, and the oven doors. The doors swing through 270[deg].

Description

The The invention relates to a Schaubackeinrichtung with at least one Baking room and a charging trolley for the loading and unloading of Baked goods.

such Schaubackeinrichtungen, which are very popular with customers generally consist of one or more furnace units with different number of floors, possibly over and / or next to each other are set up. The baked goods to be baked range from manually produced dough piece over frozen mass products and partially baked raw baked goods right through to prepare baked goods. Also depending on the size or amount of dough from the bun to to the loaf of bread and according to the desired browning the baking temperatures and baking times are different, which is why usually several oven units of different sizes and spatial Arrangements are available. furnaces with five and ten floors, which are not all covered with baking trays have to, are state of the art. Also any combination of example two or three five-storey ovens one above the other or from a ten-tier oven and a five-tier oven in the tower construction are also known.

issues are based on the period between the unloading of the finished Backguts and the reloading with fresh dough, also due to the opening of the oven doors and the cooling down by the ambient air with the result of longer heating times for one new baking process. Furthermore, obstruction of the public traffic can occur in the case of narrow loading aisles for the Duration of the transhipment can be a hindrance. If clientele in the area the Schaubackeinrichtungen can get, the health authorities require that the dough can not be contaminated bacterially. Therefore own such ovens doors, dealing only with a key or open a code to let. Are the doors but open, so grows the problem of contamination of the baked goods with the duration of the transhipment.

The Baking with dough, which rests on baking trays, is known Likewise, the use of baking sheet carriers, each with several baking trays for simultaneous loading and unloading. To be reloaded but then at least two bulky chargers needed a substructure with wheels or wheels have.

Of the Invention is therefore the object of a Schaubackeinrichtung and to indicate a charging trolley of the type described above, by the duration of the open standing of the oven door or doors and the consequent hypothermia the ovens and the heating times as well as the space requirement and the disability the buyer and onlookers can be reduced.

The solution the task is carried out at the device specified above inventively in that the charging truck for the admission of each formed two baking tray carriers arranged in series per baking space is and that in each of the baking chamber facing baking tray through the baking chamber carrier facing away from the baking chamber in the associated baking chamber retractable and retractable from the oven.

By this solution the task is solved in full, in particular be thereby the duration of the oven door or door being open and the consequent hypothermia the ovens and the heating times as well as the space requirement and the disability the buyer and onlookers decreased.

• – die Abmessungen und die Raumlage der Backblechträger den Abmessungen und der Raumlage eines jeden Backraums angepasst sind,
• – sowohl in dem mindestens einen Backraum als auch in dem Chargierwagen Führungseinrichtungen angeordnet sind, die durch die Positionierung des Chargierwagens in einer Paarungsstellung in Fluchtstellung bringbar sind,
• – zur Positionierung des Chargierwagens gegenüber der Schaubackeinrichtung mindestens eine Zentriervorrichtung vorgesehen ist,
• – die Zentriervorrichtung aus Ausnehmungen in einem Ofensockel und aus dazu komplementären Keilstücken in einem Sockel des Chargierwagens besteht,
• – der Chargierwagen nach Drehung um 180 Grad mittels einer identischen Zentriervorrichtung wieder an die Schaubackeinrichtung andockbar ist,
• – die Führungseinrichtungen sowohl in dem mindestens einen Backraum als auch im Chargierwagen Schienen besitzen, die in Fluchtstellung bringbar sind und auf denen die Backblechträger mittels Rollen verfahrbar sind,
• – die Schienen an den Seitenwänden des mindestens einen Backraums und des Chargierwagens befestigt sind,
• – die Backblechträger mittels der Rollen hängend an den Schienen geführt sind,
• – jeder Backblechträger auf beiden Seiten durch jeweils drei in je einer Reihe angeordnete Rollen geführt ist,
• – die in Reihe geführten Backblechträger durch lösbare Verriegelungseinrichtungen miteinander verbindbar sind,
• – die lösbaren Verriegelungeinrichtungen für jeden Backblechträger aus je einer Wippe bestehen, die an ihren einen Enden Rastelemente für den lösbaren Eingriff in Zapfen am jeweils anderen Backblechträger besitzen,
• – die Wippen Enden aufweisen, die zwecks Aufhebung der Verriegelung wahlweise durch einen Steuerkörper im jeweiligen Backraum oder von Hand verschwenkbar sind,
• – die Wippen parallel zu den Seitenwänden von Backraum und Chargierwagen verlaufen, aber von Backblechträger zu Backblechträger räumlich diagonal versetzt bzw. auf gegenüberliegenden Seiten,
• – der Chargierwagen zum Schutz gegen Umwelteinflüsse ein verschliessbares Gehäuse besitzt,
• – der Chargierwagen an beiden, an die Schaubackeinrichtung andockbaren Enden mit Verschlusselementen versehen ist,
• – die Verschlusselemente als geteilte Türen ausgebildet sind, und/oder, wenn
• – die Türen um 270 Grad verschwenkbar sind.

It is particularly advantageous in the course of further embodiments of the invention if, either individually or in combination:

• - The dimensions and the spatial position of the baking sheet carrier are adapted to the dimensions and the spatial position of each baking chamber,
• Are arranged both in the at least one baking chamber and in the charging carriage guide means which can be brought by the positioning of the charging carriage in a mating position in the escape position,
• At least one centering device is provided for positioning the charging trolley in relation to the Schauback device,
• - The centering device consists of recesses in a furnace base and complementary wedge pieces in a base of the Chargierwagens
• The loading trolley can be docked to the Schauback device after rotation through 180 degrees by means of an identical centering device,
• The guide devices have rails in both the at least one baking chamber and in the charging trolley which can be brought into the position of escape and on which the baking tray carriers can be moved by means of rollers,
• - The rails are attached to the side walls of the at least one baking chamber and the Chargierwagens,
• - The baking sheet carrier are guided by the rollers hanging on the rails,
• Each baking tray carrier is guided on both sides by three rollers each arranged in a row,
• - The baking tray carrier guided in series can be connected to one another by releasable locking devices,
• - The releasable locking devices for each the baking tray carrier each consist of a rocker, which have at one end locking elements for releasable engagement in pins on the other baking sheet carrier,
• The rockers have ends which, for the purpose of lifting the lock, are optionally pivotable by a control body in the respective baking chamber or by hand,
• - The rockers run parallel to the side walls of baking chamber and Chargierwagen, but spatially diagonally offset from baking tray carrier to baking tray carrier or on opposite sides,
• The charging trolley has a closable housing for protection against environmental influences,
• The loading trolley is provided with closure elements at both ends which can be docked to the Schauback device,
• - The closure elements are formed as a split doors, and / or, if
• - The doors can be swiveled 270 degrees.

Further Advantages are given in the following detailed description.

Embodiments of the subject invention and their modes of action and Voteile are below with reference to the 1 to 9 explained in more detail.

It demonstrate:

1 a frontal view of a Schaubackeinrichtung, consisting of a lower oven unit with 10 floors and a top, mounted oven unit with 5 floors,

2 a central vertical section through a rotated by 90 degrees Schaubackeinrichtung after 1 .

3 a vertical section along the line AB in 4 by a charging trolley with a housing in one with the object of 2 mating position,

4 after the charging trolley 3 in a 90 degrees opposite 3 rotated position with closed doors,

5 the Schaubackeinrichtung after 2 in mating position with a batching truck 4 in an exterior view with doors open at both ends,

6 a horizontal section along the line CD in 5 for showing a centering device for bringing about the mating position after 5 .

7 a guide device with rollers and rails for in-line baking tray carrier in the upper part of the Chargierwagens after 3 with a detachable locking device for series-connected baking tray carriers on an enlarged scale,

8th a guide device for the upper regions of the furnace housing after decoupling and retraction of the baking sheet carrier in the charging trolley and

9 a guide device for the upper regions of the furnace housing analog 8th after coupling of the baking sheet carrier and immediately before its withdrawal into the charging trolley.

In 1 is a frontal view of a Schaubackeinrichtung 1 shown, which consists of a lower furnace unit 2 with 10 floors and a top, mounted oven unit 3 consists of 5 floors. Each oven unit 2 . 3 has a furnace housing 4 respectively. 5 with doors 4a respectively. 5a , which are provided with transparent panes, as well as side keypads 4b respectively. 5b with display units for setpoints and actual values. The Schaubackeinrichtung 1 resting on a stove base 6 and is through a hood 7 covered, which may be connected to a venting device. In their upper areas are the oven units 2 and 3 with management facilities 8th respectively. 9 made of rails.

2 shows, using the same reference numerals, a central vertical section through a 90 degrees rotated Schaubackeinrichtung after 1 , This will make visible that the oven housing 4 and 5 backs 4c and 5c have, the cuboid baking chambers 10 and 11 limit to the rear. In these baking rooms 10 and 11 are by means of the management devices 8th and 9 basket-like baking tray carrier 12 and 13 retracted, consisting of frames with equidistantly inserted baking trays, between which, so to speak, the above-mentioned floors are formed.

3 now shows a central vertical section through a charging trolley 14 with a housing 15 in one with the object of 2 mating position. It can be seen that the arrangement of the baking sheet carrier 12 and 13 including their floors the layers of the baking rooms 10 and 11 is adjusted.

4 shows the charging truck 14 to 3 in a 90 degrees opposite 3 rotated position. The housing 15 has side walls 16 and 17 passing through a floor 18 and a blanket 19 connected to a frame. The front and back sides are opposite the environment by closure elements 15a / 15b ver lockable, which can either - as shown - consist of doors that are 270 degrees against the side walls 16 and 17 are pivotable, or blinds, not shown here. In the closed position, the charging trolley is as close as possible to environmental influences, especially with regard to public traffic and possibly bacterially contaminated ambient air.

Back to 3 : In the lower part of the charging wagon 14 are located in aligned row arrangement two baking tray carrier 12 and 12a , in the upper part, also in aligned row arrangement, two baking tray carriers 13 and 13a , The baking sheet carriers are in each case in the upper region by at least one releasable locking device according to 7 connected, which will be explained in more detail below.

The 5 shows the Schaubackeinrichtung 1 to 2 In mating position with a charging truck 14 to 3 in an exterior view with doors open at both ends 15a respectively. 15b , The charging or decharging process in the direction of the double arrow 20 is here only in connection with the upper baking sheet carriers 13 and 13a shown. For the lower baking sheet carriers 12 respectively. 12a the same can be assumed. However, it should be emphasized that the charging or decharging operations can be carried out independently of each other, depending on the baking time in the individual baking rooms 10 and or 11 ,

The 6 shows a plan view of a centering device 21 for bringing about the mating position 5 , This centering device 21 consists of two on a pedestal 22 of the charging wagon 14 attached wedge pieces 21a and two complementary wedge-shaped recesses for this purpose 6a in the pedestal 6 the Schaubackeinrichtung 1 , This will ensure that the charging trolley 14 with its baking sheet carriers 12 / 12a respectively. 13 / 13a when approaching the Schaubackeinrichtung 1 always in an exact horizontal escape position with this passes, so that all management facilities in the charging trolley 14 on the one hand and in the baking rooms 10 and 11 on the other hand are brought into exact positions of flight, assuming the highest altitude.

The 7 shows on an enlarged scale details of two coupling guide devices 23 and 24 for each baking tray carrier 13 / 13a inside the charging truck 14 , At every baking sheet carrier are 2 Pairs of three roles 25 arranged. rails 26 respectively. 27 are in the upper area of the Chargierwagen after 3 on the side walls 16 and 17 arranged. Two rockers mounted approximately in the middle 28 and 29 are at their ends facing each other with hook-shaped locking elements 28a and 29a provided for a series connection of the baking sheet carrier. On the left baking sheet carrier is the rocker 28 with the locking element 28a and a projecting end 28b stored on that in connection with the 8th and 9 will be discussed in more detail.

On the right baking tray support is the rocker 29 with the locking element 29a and a handle end 29b stored. When moving together two baking tray carriers 13 / 13a (or analogous to the baking tray carrier 12 and 12a ) skips the locking element 29a a pin, not shown here on the other baking sheet carrier, so that the series of baking sheet carriers against the associated oven 10 or 11 can be moved. The seesaws 28 and 29 are diagonally offset on opposite sides of the charging wagon 14 arranged; but drawn here above each other.

8th shows - enlarged again - the following: If the foremost baking tray carrier arrived in his oven, so pushes the end 28b the seesaw 28 to a arranged in the oven control body 30 , whereby the locking element 28a is raised to the position shown. By pressure on the handle end 29b the seesaw 29 also becomes its catch element 29a lifted and the lock released. The rearmost baking tray carrier can now be placed in the charging trolley 14 pulled back while the foremost in the oven 10 respectively. 11 remains.

9 shows the following: Should the baking tray carrier 13 (or 12 ) again from the oven 11 (or 10 ) are pulled out in the Charging Cart 14 remaining baking tray carrier moved back against the baking tray carrier remaining in the baking chamber, whereby the locking element 29a the in 7 right seesaw 29 by means of its front slope 29c over a pin 31 slides on the other baking tray and falls down. The releasable lock is restored, and the baking tray carrier located in the oven can now be pulled out of the oven. The rocker swings 28 after the release of the tax body 30 back to the horizontal locking position.

Both Rockers are designed and stored in the middle so that they when released by its own weight always in the horizontal closed Fall back position can. The term "baking trays" closes all documents for the dough, so also perforated or slotted baking sheets or Wire sieves and grids.

One typical workflow is - keyword-like - the following:

• – beidseitiges öffnen der Verschlusselemente des Chargierwagens,
• – öffnen der Backraumtür bzw. der -türen,
• – Andocken des Chargierwagens an der Schaubackeinrichtung,
• – Einschieben und Entriegeln der erforderlichen Anzahl von Backblechträgern,
• – Rückzug der nicht eingeschobenen Bachblechträger,
• – Rückfahrt des Chargierwagens,
• – Schliessen der Ofentür bzw. der -türen,
• – Start der Backprogramme,
• – Schliessen der Verschlusselemente des Chargierwagens und dessen Abfahrt,

In a preparation room, all baking tray carriers are equipped with products to be baked off at the start of work. Subsequently, the method of Chargierwagen to Schaubackeinrichtung, and after reaching the feed temperature is started with the loading:

• - opening the closure elements of the charging trolley on both sides,
• - open the oven door or the doors,
• - Docking of the Chargierwagen at the Schaubackeinrichtung,
• - inserting and unlocking the required number of baking tray carriers,
• - withdrawal of the non-inserted brook plate girders,
• - Return of the Chargierwagen,
• - closing the oven door or doors,
• - start the baking programs,
• Closing the closing elements of the charging wagon and its departure,

• – beidseitiges öffnen der Verschlusselemente des Chargierwagens,
• – öffnen der Backraumtür bzw. der -türen,
• – Andocken des Chargierwagens mit der gleichen Seite wie vorher,
• – Einschieben des/der im Chargierwagen verbliebenen Backblechträger(s) in den ausgewählten Backraum, Verriegelung mit dem im Backraum befindlichen Backblechträger und gemeinsamer Rückzug in den Chargierwagen,
• – Zurückfahren des Chargierwagens,
• – Schliessen der Ofentür(en).
• – Abwarten der Startbereitschaft des jeweiligen Ofens,
• – Drehung des Chargierwagens um 180 Grad (Pfeil P in 6),
• – öffnen der Ofentür(en),
• – Positionieren des gedrehten Chargierwagens an der Schaubackeinrichtung,
• – Einschieben bis zur Endstellung und Entriegeln der erforderlichen Anzahl von Backblechträgern,
• – Rückzug der verbleibenden Backblechträger in den Chargierwagen,
• – Rückzug des Chargierwagens,
• – Schliessen der Ofentür(en),
• – Starten der Programme,
• – Schliessen der Verschlusselemente des Chargierwagens,
• – Rückzug des Chargierwagens,
• – gebackenes Backgut abkühlen lassen,
• – Verfahren des Chargierwagens mit den Backblechträgern in eine dafür vorgesehenen Position, öffnen der Verschlusselemente des Chargierwagens Abschütten des Backguts von den Backblechen in bereitgestellte Behältnisse,
• – Schliessen der Verschlusselemente des Chargierwagens und Rücktragsport in den Vorbereitungsraum zum erneuten Bestücken der Backblechträger.

After the display of the end of the baking time:

• - opening the closure elements of the charging trolley on both sides,
• - open the oven door or the doors,
• - Docking the Charging Cart with the same side as before,
• Inserting the baking tray carrier (s) remaining in the charging trolley into the selected baking chamber, locking it to the baking tray carrier located in the baking chamber and withdrawing the same into the charging trolley,
• - retracting the Chargierwagens,
• - Close the oven door (s).
• - waiting for the start of the oven,
• - Rotation of the charging trolley by 180 degrees (arrow P in 6 )
• - open the oven door (s),
• Positioning the rotated charging trolley on the Schauback device,
• - pushing in until the end position and unlocking the required number of baking tray carriers,
• - Retraction of the remaining baking sheet carrier in the charging trolley,
• - withdrawal of the charging wagon,
• - closing the oven door (s),
• - start the programs,
• Closing the closing elements of the charging wagon,
• - withdrawal of the charging wagon,
• - let baked baked goods cool down,
• - Method of Chargierwagens with the baking sheet carriers in a designated position, open the closure elements of the Charging trolley pouring the dough from the baking sheets in containers provided,
• - Closing the closing elements of the charging trolley and return transport in the preparation room for re-loading the baking tray carrier.

1

Look jaw assembly

2

furnace unit

3

furnace unit

4

furnace housing

4a

doors

4b

keypad

4c

rear wall

5

furnace housing

5a

doors

5b

keypad

5c

rear wall

6

oven base

6a

recesses

7

Hood

8th

guide means

9

guide means

10

oven

11

oven

12

Baking tray carrier

12a

Baking tray carrier

13

Baking tray carrier

13a

Baking tray carrier

14

charging trolley

15

casing

15a

closure element

15b

closure element

16

Side wall

17

Side wall

13

ground

19

blanket

20

double arrow

21

centering

21a

wedge pieces

22

base

23

guide means

24

guide means

25

roll

26

rails

27

rails

28

seesaw

28a

locking element

28b

The End

29

seesaw

29a

locking element

29b

handle end

29c

slope

30

control body

31

spigot

FROM

Sectional plane,

CD

cutting plane

P

arrow

Claims (18)

Schaubackeinrichtung with at least one baking chamber ( 10 . 11 ) and a charging trolley ( 14 ) For the loading and unloading of dough, characterized in that the loading trolley ( 14 ) for receiving in each case two baking tray carriers arranged in series ( 12 / 12a respectively. 13 / 13a ) per baking space ( 10 . 11 ) is formed and that each of the baking chamber ( 10 . 11 ) facing baking sheet carrier ( 12 . 13 ) through the oven ( 10 . 11 ) facing baking sheet carrier ( 12a . 13a ) in the associated oven ( 10 . 11 ) and from the oven ( 10 . 11 ) is retractable. Schaubackeinrichtung according to claim 1, characterized in that the dimensions and the spatial position of the baking sheet carrier ( 12 / 12a respectively. 13 / 13a ) the dimensions and the spatial position of each baking chamber ( 10 . 11 ) are adjusted. Schaubackeinrichtung according to claim 1, characterized in that both in the at least one baking chamber ( 10 . 11 ) as well as in the charging trolley ( 14 ) Management facilities ( 8th . 9 . 23 . 24 ) arranged by the positioning of the Chargierwagens ( 14 ) in a mating position in the escape position can be brought. Schaubackeinrichtung according to claim 3, characterized in that for positioning of the Chargierwagens ( 14 ) opposite the Schaubackeinrichtung ( 1 ) at least one centering device ( 21 ) is provided. Schaubackeinrichtung according to claim 4, characterized in that the centering device ( 21 ) from recesses ( 6a ) in a furnace base ( 6 ) and of complementary wedge pieces ( 21a ) in a socket ( 22 ) of the charging vehicle ( 14 ) consists. Schaubackeinrichtung according to at least one of claims 1 to 5, characterized in that the charging trolley ( 14 ) after rotation through 180 degrees by means of an identical centering device ( 21 ) back to the Schaubackeinrichtung ( 1 ) is dockable. Schaubackeinrichtung according to claim 3, characterized in that the guide means ( 8th . 9 . 23 . 24 ) in both the at least one baking chamber ( 10 . 11 ) as well as in the loading rail ( 26 . 27 ), which can be brought into the escape position and on which the baking sheet carrier ( 12 / 12a respectively. 13 / 13a ) by means of rollers ( 25 ) are movable. Schaubackeinrichtung according to claim 7, characterized in that the rails ( 26 . 27 ) on the side walls of the at least one baking chamber ( 10 . 11 ) and the charging vehicle ( 14 ) are attached. Schaubackeinrichtung according to claim 7, characterized in that the baking sheet carrier ( 12 / 12a respectively. 13 / 13a ) by means of the rollers ( 25 ) hanging on the rails ( 26 . 27 ) are guided. Schaubackeinrichtung according to claim 9, characterized in that each baking sheet carrier ( 12 / 12a respectively. 13 / 13a ) on both sides by three rollers each arranged in a row ( 25 ) is guided. Schaubackeinrichtung according to at least one of claims 1 to 10 , characterized in that the baking plate carriers ( 12 / 12a respectively. 13 / 13a ) are connectable to each other by releasable locking means. Schaubackeinrichtung according to claim 11, characterized in that the releasable locking means for each baking sheet carrier ( 12 / 12a respectively. 13 / 13a ) from a rocker ( 28 . 29 ), which at one end locking elements ( 28a . 29a ) for the releasable engagement in pins ( 31 ) on the other baking tray carrier ( 12 . 12a respectively. 13 / 13a ). Schaubackeinrichtung according to claim 12, characterized in that the rockers ( 28 . 29 ) End up ( 28b . 29b ), for the purpose of lifting the lock optionally by a control body ( 30 ) in the respective baking chamber ( 10 . 11 ) or are pivotable by hand. Schaubackeinrichtung according to claim 12, characterized in that the rockers ( 28 . 29 ) parallel to the side walls ( 16 . 17 ) of baking space ( 10 . 11 ) and Charging Cart ( 14 ), but from baking tray carrier to baking tray carrier ( 12 / 12a respectively. 13 / 13a ) spatially offset diagonally or on opposite sides. Schaubackeinrichtung according to at least one of claims 1 to 14, characterized in that the charging trolley ( 14 ) to protect against environmental influences a lockable housing ( 15 ) owns. Schaubackeinrichtung according to claim 15, characterized in that the charging trolley ( 14 ) on both, to the Schaubackeinrichtung ( 1 ) dockable ends with closure elements ( 15a . 15b ) is provided. Schaubackeinrichtung according to claim 16, characterized in that the closure elements ( 15a . 15b ) are designed as split doors. Schaubackeinrichtung according to claim 17, characterized that the doors can be pivoted by 270 degrees.