奥地利专利AT511403A1 OVEN

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专利说明

权利要求

类似技术

同族专利

引用文献

法律状态

优先权

专利摘要:
Oven (1) with a circulating in the oven, in two superposed transport levels (4,5) through the baking chamber (2) moving, endless baking tong chain (3) with openable and closed in the closed state baking tongs (8). In the front furnace part (1a) along the upper transport plane (4) means (14a) for unfolding the baking tongs (8), an output station (15), a loading station (16) means (14c) for closing the baking tongs (8) and means (19) for locking the baking tongs (8) in the running direction of the baking tongs (8) arranged one behind the other. In the output station (15) a product removal device with a horizontally arranged bogie (36) is arranged, which carries arranged along its outer periphery, designed as a suction element acceptance elements, with which the rotating bogie (36) the baked products from the unfolded baking tongs (8). extracts.
公开号:AT511403A1
申请号:T672/2011
申请日:2011-05-11
公开日:2012-11-15
发明作者:
申请人:Franz Haas Waffel Und Keksanlagen Ind Gmbh；
IPC主号:

专利说明:

«F > «II« · * · t »►. • * * * «* * * * * -1-" J '*' ** · R-Ki-48911
Title: Oven
The invention relates to ovens with a circulating in the oven, endless baking tong chain that contains existing baking molds in their up and zuklappbaren and locked in the closed baking tongs baking mold top parts and baking mold bases in which 5 produced by a baking process, crispy-brittle, baked products arise.
The ovens each have a front oven part, a rear oven part, a furnace frame provided with an outer heat insulation, a baking space arranged inside the heat insulation, and an endless baking tong chain continuously circulating in the oven and moving through the baking space. The baking tongs chain is arranged in the oven along a self-contained orbit, which extends in two superimposed transport levels through both furnace parts. The baking tong chain contains openable and retractable baking tongs which can be locked in the closed state, in which existing baking tins are arranged, which are opened by unfolding the baking tongs and closed by closing the baking tongs. In the front oven of the oven is a Ein-15 direction for unlocking the baking tongs arranged in the orbit of the baking tong chain and along the upper transport level are means for opening the baking tongs, an output station, a loading station and a device for closing the baking tongs and means for Locking the baking tongs in the direction of the baking tongs arranged one behind the other. In the dispensing station, a product take-off device, which takes the baked products from the unfolded baking panes, is arranged, which is arranged downstream of an upper transport device for the removed, baked products.
In these ovens, flowable baking preparations are processed and transformed by a baking process into baked products that are crispy and brittle at room temperature.
The baking preparations are produced in a mixer. In the mixer, the liquid ingredients of the baking preparation and the solid or powdery ingredients of the baking preparation are mixed together. This creates a shapeless mass. The informal mass is flowable. She has a liquid, d. H. thin to viscous, and sometimes pulpy consistency. The liquid ingredients are mainly water with a content of 42.0 to 60.0 wt .-% of the baking preparation. The powdery ingredients are mainly a starchy main component with a content of 36.0 to 56.5 wt .-% of the baking preparation. Wheat flour is mostly used as starchy main component. The starchy main component may also be a corn starch, or a mixture of wheat flour and cornstarch, or a mixture of different cereal or starch meals.
The baked products made from such baking formulations may be edible back-35 products, such as: As wafers, crispy-brittle wafer sheets for the preparation of cream-filled waffle slices, etc.
However, the baked products prepared from such baking formulations may also be other products which are not intended for consumption per se. These products include z. B. packaging, such. B. from a starchy baking preparation produced Verpackungsstas-40 sen, or from a starchy baking preparation produced parts of disposable dinnerware, such as «* t > * «4 • I * III 4 I »·» III I · · - 2 - ... »...... R.ft * 4Kyl 1 z. As plates and cups but also knives, forks and spoons.
The baking preparations are supplied as informal, liquid to pasty masses the ovens, the baking tong chain up and zuklappbare and provided with a locking device baking tongs contained.
In the oven, the informal mass is conveyed through dough ducts to the loading station with the aid of a dough pump. In the feeding station, the shapeless mass is divided into dough portions and the dough portions are introduced into the opened baking molds which are arranged in the unfolded baking tongs which pass through the feed station in the upper transport level of the oven. After inserting the dough portions, the baking tongs are closed. When closing the baking tongs, the baking molds are closed and the dough portions are enclosed in the baking molds. After closing the baking tongs, the closed baking tongs are locked. The encircling baking tong chain conveys the closed and locked baking tongs into the rear oven part and through the baking chamber. While the baking tongs pass the baking chamber, the baking tongs and the baking tins are heated and heated to baking temperatures between 150 ° C (degrees Celsius) and 250 ° C (degrees Celsius). As a result, the dough portions enclosed in the closed baking molds are subjected to a baking process and baked in the closed and locked baking tongs under pressure. The encircling baking tong chain conveys the closed and locked baking tongs into the front oven part. There, the closed baking tongs are unlocked. The encircling baking tong chain conveys the closed and unlocked baking tongs to the upper transport level. When passing the upper transport plane, the baking tongs are opened and transported in the unfolded state through the output station to the input station. In the dispensing station, the baked, crispy-brittle products are removed while hot from the opened baking molds, which are arranged in the unfolded baking tongs. The baked products are released from the oven when hot. The encircling baking tong chain conveys the unfolded baking tongs with the opened empty baking tins to the loading station. In the feeding station, dough portions formed from the shapeless mass are again introduced into the open baking molds.
Ovens in which the baking mold tops and baking mold bottom parts existing baking molds in the up and zuklappbaren and provided with a locking device baking tongs one in the oven and circulating through the oven moving, endless baking tong chain are arranged, for. B. from the documents AT 378 470 B1, US 4,438,685 A known.
The object of the invention is to improve an oven of the type mentioned.
According to the invention, a new oven is proposed. The new oven has a front oven part, a rear oven part, provided with an external heat insulation oven rack, a arranged inside the heat insulation baking chamber and a continuously circulating in the oven and moving through the oven, endless baking tong chain. The baking tongs chain is arranged in the oven along a self-contained orbit, which extends in two superimposed transport planes through both furnace parts. The baking tongs chain contains baking tongs which can be opened and closed and locked in the closed state, in ft. t ·. * • ·· I t «'I * *« ··· * · * * »· - 3 -«,. * * '' "R-Mr4K911 which are made of baking mold tops and baking mold bottom parts existing baking molds are arranged, which are opened by opening the baking tongs and closed by closing the baking tongs. In the front oven part means for unlocking the baking tongs on the orbit of the baking tongs chain is arranged. Along the upper transport level, a device for 5 unfolding the baking tongs, an output station, a loading station, a device for folding the baking tongs and means for locking the baking tongs in the direction of the baking tongs are arranged one behind the other. In the discharge station, a product take-off device, which extracts the baked products from the unfolded baking tongs, is arranged downstream of an upper transport device for the removed, baked products. The new oven according to the invention is characterized in that the product removal device has a horizontally arranged and rotatable about a horizontal axis rotary bogie, which projects into the unfolded baking tongs, that the bogie along its outer circumference arranged removal elements carries on the outer periphery of the bogie in at least a longitudinal row extending along the circumference of the bogie are arranged one behind the other, and in that the removal elements are designed as suction elements connected to a vacuum source.
In this oven according to the invention can further be provided that the horizontally arranged bogie is arranged vertically adjustable in the front oven part. Furthermore, the horizontally arranged bogie beit-20 at its outer periphery outwardly projecting drive lugs zen, which engage in the circulating baking tong in the arranged between the baking tongs interstices of the baking tongs chain.
When baking oven according to the invention, the baked products resulting in the closed baking tongs are removed at the output station of the oven from the circulating, unfolded baking tongs. The baked products are in the unfolded baking tongs on the 25 arranged in the pliers lower parts of the baking tongs baking mold bottom parts of the open bakeware.
The removal is done by the product removal device or by the horizontally arranged, rotating bogie of the product picking device. The horizontally arranged bogie rotates about its horizontally disposed central axis and removes the baked products from the unfolded baking tongs without deforming the baked products.
The rotating bogie recorded with his pickup elements lying on the baking mold bottom parts of product. The decrease elements of the bogie are designed as suction elements, which are connected to a vacuum source. The negative pressure generated by a negative pressure source acts via the suction elements designed as acceptance elements of the bogie directly on the 35 lying on the baking mold lower parts of a product. The product pieces are recorded individually. Each product piece is detected by at least one suction element and held on the bogie, the product piece is removed by the rotational movement of the bogie from the unfolded baking tongs and transported by the rotational movement of the bogie to the upper conveyor. The detection of the Produktstückefs via the vacuum applied to the suction element. 40 When the product is transferred to the upper transport device, it is replaced by the suction hose »fr« »ϊ. * t - *. * «« «« * »·» ·· «» · «« «* * * * Λ« · «» «« * * «« -4 " , ... R Nit 48911 ment interruption on the product piece is interrupted.
According to the horizontally arranged bogie in the front oven part can be arranged height adjustable. This design makes it possible to change the position of the horizontal axis of rotation of the bogie within the furnace frame. As a result, the distance between the arranged on the circumference of the rotating bogie pickup elements and the horizontally arranged pliers divide the unfolded baking tongs on the underside of the Drehge-5 stells set or changed.
The height-adjustable arrangement of the bogie makes it possible to adjust the height position of the bogie on the tops of the baked products, which are in the unfolded Backzan K) gene on the arranged in the pliers bases of the baking tongs baking mold bases.
According to the invention, the horizontally arranged bogie may have at its outer periphery outwardly projecting drive lugs, which engage in the circumferential baking tongs chain in between the baking tongs arranged intermediate spaces of the baking tongs chain. This training provides a direct driving the horizontally arranged bogie through the circulating in the oven 15 baking tong chain, which is driven by the main drive of the oven and set in motion.
According to a further feature of the invention can be provided that the bogie has at least two product support arms, which are arranged along the circumference of the bogie at a distance from each other, and that each Produkttragarm carries at least one suction element as ausgebil-20 detes decrease element.
The bogie is associated with its Produkttragarmen the baked product pieces, which are arranged in the pliers bases of the unfolded baking tongs, which pass successively the output station of the oven. Each Produkttragarm is assigned to a product piece. The Produkttragarm detects the product piece with its designed as a suction element acceptance-25 element. The product piece is removed by the rotational movement of the bogie from the unfolded baking tongs and transported to the upper transport device.
The bogie can have in the direction of rotation successively arranged product support arms, which are assigned to the lower part of a folded baking tongs behind the product pieces arranged one behind the other. According to a further feature of the invention, it may be provided that the Produkttragarm has at least one rod which carries at least two intake elements designed as a suction element, which are arranged along the rod at a distance from each other. In this embodiment, each product piece is detected by two or more, designed as a suction element acceptance elements of a Produkttragarmes and held on the bogie by suppression. The product piece rests on the product support arm and is removed from the unfolded baking tongs by the rotary movement of the bogie.
According to a further feature of the invention can be provided that the Produkttragarm has at least one parallel to the axis of rotation of the bogie arranged longitudinal bar which carries at least one designed as a suction element pickup element. In this embodiment, the 40 product support arms spaced apart along the circumference of the bogie are pa- •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• «· /« Φ »* * · ♦ Φ 9 9 -5 - '' * " * R-Nr48911 raltel aligned with the axis of rotation of the bogie.
According to a further feature of the invention, the longitudinal axis of the Produkttragarmes parallel to the axis of rotation of the bogie can carry at least two designed as a suction element decrease elements, which are arranged along the longitudinal bar at a distance from each other.
This design of the bogie makes it possible to remove a single wide product piece or two juxtaposed product pieces with a single Produkttragarm from a pliers lower part of an unfolded baking tongs.
According to a further feature of the invention can be provided that the Produkttragarm has at least two, parallel to the axis of rotation of the bogie arranged longitudinal bars which are arranged in a plane parallel to the axis of rotation of the bogie reference plane, and that the longitudinal rods carry suction element designed as decrease elements perpendicular to Reference level are arranged.
This design of the bogie is for the manipulation of plate-shaped product pieces of advantage, which are detected by the two longitudinal bars of Produkttragarmes each near the front or rear edge of the product piece. The Produkttragarm may also have three or more longitudinal bars, each carrying a plurality, designed as a suction element decrease elements, which are arranged along the respective longitudinal bar at a distance from each other and each perpendicular to the reference plane formed by the longitudinal bars.
According to a further feature of the invention it can be provided that the Produkttragarm has a parallel to the axis of rotation of the bogie arranged longitudinal bar which carries at least one transverse to the longitudinal bar arranged transverse bar, which is arranged in a plane parallel to the axis of rotation of the bogie reference plane, and that the transverse bar two or carries a plurality of suction element designed as a pickup element, which are arranged along the transverse bar at a distance from each other and are each arranged perpendicular to the reference plane.
This training is in the manipulation of wide product pieces of advantage. These are detected in each case at two or more points by Produkttragarm and designed as a suction element acceptance elements held on the crossbar of Produkttragarmes.
According to a further feature of the invention may be provided in a provided with a longitudinal rod Produkttragarm the bogie that the longitudinal bar carries two or more spaced from each other cross bars, which are arranged in a plane parallel to the axis of rotation of the bogie reference plane, and that each transverse bar at least two designed as a suction element acceptance elements carries, which are arranged along the transverse bar at a distance from each other and are each arranged perpendicular to the reference plane.
This training is in the manipulation of large, plate-shaped product pieces of advantage. The product support arm records each product piece in several places simultaneously. The designed as a suction element, acted upon with negative pressure decrease elements hold the product piece to the crossbars of Produkttragarmes. The piece of product held on the product support arm is removed by the rotary movement of the bogie from the unfolded baking tongs.
According to a further feature of the invention, in the case of a product support arm of the bogie, it can be provided that the product support arm is at least two, parallel to the axis of rotation of the bogie, parallel to the axis of rotation of the bogie. 6- R Nr48911 arranged longitudinal bars, which are arranged in a plane parallel to the axis of rotation of the bogie reference plane, and that the Produkttragarm has at least two transversely disposed to the longitudinal bars cross bars, each carrying at least two suction elements designed as a decrease elements along the transverse bar at a distance are arranged from each other and each 5 are arranged perpendicular to the reference plane.
This training is in the manipulation of large-scale, plate-shaped product pieces of advantage. For the manipulation of very large, plate-shaped product pieces, three or four, five or even more spaced-apart transverse bars can be attached to the longitudinal bars Produkttragarmes, which are each arranged parallel to the reference plane. Each ten transverse rods can carry three, four, five or even more spaced-apart suction elements designed as suction element, which are each aligned perpendicular to the reference plane parallel to the transverse rods. The product piece detected by this product support arm rests against the crossbars of the product support arm. The on the crossbars attached, designed as a suction element acceptance elements acting on the product piece suppressor 15 holds the product piece on Produkttragarm firmly. The product piece is removed by the rotary movement of the bogie from the unfolded baking tongs.
According to a further feature of the invention can be provided that the product support arms are formed as hollow sections and form part of the suction lines, which lead from the attached to the product support arms, designed as a suction element decrease elements to a sub-20 pressure source. In this embodiment of the bogie, the suction lines, which lead from the intake elements designed as a suction element to the vacuum source, run in the interior of the hollow bars of the product carrier arms.
According to a further feature of the invention can be provided that the arranged on the circumference of the bogie decrease elements are formed as, preferably each provided with an elastic bellows 25 suction cups, which are attached to the product support arms and connected via suction lines to a vacuum source.
According to a further feature of the invention can be provided that the arranged on the circumference of the bogie decrease elements are designed as elastically collapsible suction sleeves, which are attached to the product support arms and connected via suction lines with a Un-30 terdruckquelle.
According to a further feature of the invention can be provided that the horizontally arranged bogie has at least one vertically arranged rotary star, which carries arranged on the circumference of the bogie, designed as a suction element acceptance elements.
In this design of the bogie, the product pieces are removed from the unfolded baking tongs by the standing angeord-35 Neten rotating star of the rotating bogie. The attached to the rotary star, designed as a suction element decrease elements are each subjected to negative pressure. The product pieces are detected by the acceptance elements by means of negative pressure and held by means of negative pressure on the rotary star. The product pieces are removed by the rotation of the rotary star from the unfolded baking tongs and transported to the Drehge-40 stell downstream, upper transport device. * «* &Gt; «I * t · ·» ** · t 1 («• ··« »· · ·, * ·, * · · · · · · · · I 4« · -7 * ...... ** ' *** "* R-Nr 48911
According to the invention, the horizontally arranged rotary bogie can have two or more spaced-apart rotary stars which carry the removal elements arranged on the circumference of the bogie and designed as suction elements.
In this embodiment, designed as a suction element decrease elements of the Drehge-5 stells are arranged on the outside of the rotary star. The decrease elements are arranged on the outer sides of the rotary star in itself along the circumference of the bogie extending longitudinal rows one behind the other. At the same time the decrease elements are arranged in parallel to the axis of rotation of the bogie transverse rows. With the juxtaposed rotating stars individual large-scale product pieces or juxtaposed, smaller product pieces from the up-H.) Folded baking tongs can be removed.
According to a further feature of the invention can be provided that the standing arranged rotary star has a designed as a polygon outer rim, in which the suction element designed as a decrease elements are arranged on the straight portions of the outer rim.
According to a further feature of the invention, it can be provided that at the rotary star at 15 the straight portions of the outer rim are each arranged at least two acceptance elements designed as a suction element at a distance from each other.
According to a further feature of the invention can be provided that the rotary star is formed as a hollow body and forms a part of the suction line, which leads from the intake elements designed as a suction element to a vacuum source. According to a further feature of the invention it can be provided that the suction elements designed as a decrease elements of the bogie are preferably provided with an elastic bellows suction cups, which are attached to the outer periphery of a rotating star and connected via suction lines to a vacuum source.
According to a further feature of the invention can be provided that designed as Saugele-25 ment decrease elements of the bogie as, elastically collapsible suction sleeves are formed, which are mounted on the outer periphery of a rotary star and connected via suction lines to a vacuum source.
The invention of exemplary embodiments will be explained in more detail with reference to the drawing. In the drawings: Fig. 1 shows schematically a first oven from the side,
2 shows schematically a second oven from the side,
3 shows schematically a third oven from the side,
FIGS. 4a to 4c show a first bogie,
Figures 5a to 5c show a second bogie, 35 Figures 6a to 6g show a third bogie,
FIGS. 7a to 4d show a product support arm,
FIGS. 8a to 8c show a further bogie,
FIGS. 9a to 9d show a first decrease element, and FIGS. 10a to 10d show a second decrease element.
Fig. 1 shows schematically a first oven 1 from the side. The oven 1 has a front oven part 1a, a rear oven part 1b, a furnace frame 1d provided with an outer heat insulation 1c, a baking chamber 2 arranged inside the thermal insulation, and a continuous baking oven 5 continuously moving through the baking chamber 2, endless baking tong chain 3. The endless baking tongs chain 3 is arranged in the oven 1 along a self-contained orbit, which extends in two superimposed transport planes 4 and 5 through both furnace parts 1 a and 1 b. The baking tong chain 3 is driven by a arranged near the front end of the oven 1 drive wheel 6 and deflected by the drive wheel 6 from the lower transport plane 5 upwards in the upper transport plane 4. The circumferential 10 baking tong chain 3 moves in the upper transport plane 4 away from the drive wheel 6 in the oven 1 to the rear. Near the rear end of the oven 1, the baking tong chain 3 passes through a rear baking tong chain deflection device 7. At the deflection device 7, the baking tong chain 3 is deflected from the upper transport plane 4 down into the lower transport plane 5.
The baking tong chain 3 contains openable and retractable baking tongs 8. The baking tongs 8 are arranged one behind the other in the baking tongs chain 3. In the baking tongs 8 baking molds existing from baking mold top and baking molds existing baking molds are opened, which are opened by opening the baking tongs 8 and closed by closing the baking tongs 8. The baking tongs 8 each have a tongs lower part 8a and a tongs upper part 8b pivotally connected thereto. On the upper tongs 8b a control roller 8c is mounted, with the help of the baking tongs 8 20 is opened and closed. In the pliers lower parts 8a flat baking plates are arranged, in which the lower baking mold parts of the baking molds are included. In the forceps tops 8b flat baking plates are arranged, in which the baking mold tops of the baking molds are included.
The baking tongs 8 are provided at their end faces with locking devices, not shown in the drawing, which are actuated in the closed baking tongs to keep the arranged in the supplied baking tongs 25 baking molds closed during the entire baking process.
The oven 1 is provided with an electric induction heater. This provides an arranged next to the front furnace part 1a AC generator 9 and arranged in the baking chamber 2, elongated inductors 10, 11 before. The alternator 9 is connected via power lines 12, 13 30 to the inductors 10, 11 and supplies them with power. The elongated inductors 10, 11 are arranged in the baking chamber 2 above and below the orbit of the baking tong chain 3. The flat baking plates contained in the baking tongs 8 are designed as susceptor plates, which are heated inductively by the magnetic fields generated by the inductors 10, 11 without contact. In the front furnace part 1 a, a lower actuating device 18 for unlocking the locking devices of the baking tongs 8 is arranged on the lower transport plane 5.
In the front furnace part 1a, a linkage 14 for engagement with the control rollers 8c of the baking tongs 8 is provided along the upper transport plane 4. The linkage 14 provides three successive sections in the running direction of the baking tongs 8. The linkage 14 provides a gradually rising linkage section 14a, which includes means for unfolding the baking tongs 8 • · · ** »* · a »· * · · a« · t • a * * «·« * * • «· aaaisa u · • * *« # ·· * · »• a« · * · a * «* a -9- R No. 48911 represents. An upper horizontal linkage section 14b adjoins the linkage section 14a. This holds the unfolded baking tongs 8 in the unfolded state, while they pass through the output station 15 of the oven 1 and the adjoining feed station 16. To the linkage portion 14b includes a gradually sloping rod section 14c, which is a device for closing the baking tongs 8. At the end of the linkage 14, an upper actuator 19 for locking the locking devices of the baking tongs 8 is arranged.
In the discharge station 15, a product removal device 17 projecting into the unfolded baking tongs 8, shown only schematically in FIG. 1, is provided. The product pickup device 17 picks up the baked products from the tong lower parts 8a of the unfolded baking tongs 8 and transfers them to an upper transporting device, not shown in FIG. 1, from which the baked products are conveyed out of the baking oven 1.
During operation of the oven 1, a baking preparation is introduced into individual dough portions in the circulating, unfolded baking tongs 8 in the loading station 16. After leaving the loading station 16, the baking tongs 8 move with their control rollers 8c along the gradually sloping pipe section 14c. The pliers upper parts 8b are folded down to the pliers lower parts 8a and the baking tongs 8 folded. When the baking tongs 8 are closed, the baking molds contained in the baking tongs 8 are closed and the dough portions are enclosed in the closed baking tins. After closing the baking tongs 8, the locking devices of the baking tongs 8 are actuated by lower actuator 19 and the closed baking tongs 8 are locked. The closed and locked baking tongs 8 are conveyed by the rotating baking tong chain 3 through the baking chamber 2. In the baking chamber 2, the baking molds are heated inductively without contact and the dough portions enclosed in the baking molds are baked. The closed and locked baking tongs 8 are transported with the baked dough portions contained in them from the rotating baking tongs 3 in the lower transport plane 5 in the oven 1 forward to the drive wheel 6 in. When passing the lower actuator 18, the locking devices of the baking tongs 8 are actuated by the lower actuator 18 and the closed baking tongs 8 are unlocked. The folded and unlocked baking tongs 8 are conveyed along the drive wheel 6 into the upper transport plane 4. In the upper transport plane 4, the baking tongs 8 move with their control rollers 8c along the gradually increasing boom section 14a. The baking tongs ß are opened and the tongs upper parts 8b folded up. The baked dough portions or the baked products remain in the pliers bases ßa the unfolded baking tongs 8. The baked products are removed in the output station 15 by the product picking device 17 of the pliers lower parts 8a of the unfolded baking tongs 8.
Fig. 2 shows schematically a second oven 20 from the side. The oven 20 has a front oven part 20a, a rear oven part 20b, a furnace frame provided with an outer heat insulation 20c, a baking chamber 21 arranged inside the heat insulation 20c, and an endless baking tong chain 22 continuously circulating in the oven 20 and moving through the baking chamber 21. The baking tongs chain 22 is enclosed in the oven 20 along a closed-in-one-a-half An orbit, which extends in two superimposed transport planes 23 and 24 through both furnace parts 20a and 20b, is arranged , The baking tong chain 22 is driven by a near the front end 25 of the oven 20 arranged, not shown in Fig. 2 drive wheel and deflected by the drive wheel from the lower transport plane 24 upwards in the upper transport plane 23. The circumferential baking tong chain 22 moves in the upper transport plane 23 from the front end 25 of the oven 20 back to the rear end 26 of the oven 20. The baking tong chain 22 is near the rear end 26 of the oven 20 by a rear baking tong chain deflection device 27 from the top Transport level 23 deflected down into the lower transport plane 24.
The baking tong chain 22 includes open-end and zuklappbare baking tongs 28, in which from baking mold tops and baking mold bottom parts existing baking molds are arranged, which are opened by opening the baking tongs 28 and closed by closing the baking tongs 28. The baking tongs 28 each have a tongs lower part 28a and a tongs upper part 28b pivotally connected thereto. On the upper tongs 28b a control roller, not shown in Fig. 2 is mounted, with the help of the baking tongs 28 is opened and closed. In the pliers lower parts 28a flat baking plates are arranged, in which the baking mold bases of the baking molds are included. In the forceps tops 28b flat baking plates are arranged, in which the baking mold tops of the baking molds are included.
In the rear oven part 20b of the baking chamber 21 is arranged. The oven 20 is provided with an electric induction heater, which in both transport planes 23 and 24 respectively above and below the orbit of the baking tongs 28 arranged, elongated inductors 29, 30 provides.
In the front oven part 20a of the oven 20 along the upper transport plane 23, a device 31 for opening the baking tongs 28, an output station 32, a loading station 33 and means 34 for closing the baking tongs 28 in the direction of the baking tongs 28 are arranged one behind the other. In the output station 32, a product removal device 35 is arranged with a horizontally arranged bogie 36. The bogie 36 rotates about its horizontally disposed central axis and removes the baked products from the unfolded baking tongs 28a and conveys them to an upper conveyor 37 which conveys the baked products out of the oven 20.
Fig. 3 shows schematically a third oven 40 from the side. The oven 40 has a front oven part 40a, a rear oven part 40b, a furnace frame provided with an outer heat insulation 40c, a baking chamber 41 arranged in the rear oven part 40b inside the heat insulation 40c, and a baking oven 41 continuously circulating in the oven 40 and moving through the baking chamber 41 , Endless baking tong chain 42. The oven 40 corresponds in its structural design to the oven 20 of FIG. 2 and differs from this only by the oven heating, which is formed in the oven 40 as a gas heater 43. The gas heater 43 provides elongated gas burner 44 and 45, which are arranged in the baking chamber 41 below the orbit of the baking tong chain 42.
Figures 4a to 4c show a first embodiment of the horizontally arranged bogie * # * * tt * * R-Nr48911-11 of the product take-off device. Fig. 4a shows the bogie 50 in an oblique view from the back. 4b shows the bogie 50 in its working position. FIG. 4 c shows the rear side of the bogie 50.
The bogie 50 is rotatably mounted on its rear side in a holding device 5 51 attached to the oven frame. The holding device 51 is mounted vertically adjustable on the oven frame. The bogie 50 has a horizontally disposed hollow shaft 52. On the hollow shaft 52 sits the rear drive star 53 of the bogie 50, which has star-shaped arms 54 which carry at their end portions rotatably mounted drive rollers 55 which in the spaces between the successive baking tongs of the rotating Back tongs chain intervene. At the front end of the hollow shaft 52, a standing arranged Drehstem 56 is attached. The rotary star 56 is ausgebifdet as a hollow body. The interior of the rotary star 56 is connected to the cavity of the hollow shaft 52. The outer periphery of the rotary star 56 is formed as a polygon. On the straight portions 57 of the polygon two juxtaposed, parallel to the hollow shaft 52 longitudinal rods 58 are attached. The longitudinal bars 58 are formed as hollow profiles and tra-15 gene each three spaced from each other acceptance elements 59. Each acceptance element 59 is formed as a suction element and connected via a suction line with a vacuum source. The suction line extends within the bogie 50 from the take-off element 59 through the hollow longitudinal bar 58 and the hollow rotary star 56 to the hollow shaft 52 and through the hollow shaft 52 from the bogie 50 addition. The attached to the longitudinal bars 58 decrease elements 59 are formed as 20 suction cups, which are provided with an elastic bellows.
The two at the rotary star 56 attached to a straight portion 57 of the outer circumference longitudinal rods 58 are arranged in a plane parallel to the axis of rotation of the bogie 50 reference plane. The attached to the two longitudinal bars 58, provided with an elastic bellows suction cups are arranged perpendicular to the reference plane. The two longitudinal bars 58 together form a Produkttragarm the bogie 50. The bogie 50 has nine such product support arms, which are arranged along the circumference of the bogie 50 at a distance from each other.
FIGS. 5a to 5c show a second embodiment of the horizontally arranged bogie of the product take-off device. Fig. A shows the bogie 60 in an oblique view from the back. Fig. 5b shows the bogie 60 in its working position. 5 c shows the rear λϋ side of the bogie 60th
The bogie 60 is rotatably mounted on its rear side in a holding device 61 attached to the oven rack. The holding device 61 is mounted vertically adjustable on the oven frame. The bogie 60 has a horizontally disposed hollow shaft 62. On the hollow shaft 62 sits the rear drive star 63 of the bogie 60, which has star-shaped arms 64 which carry at its 35 end portions rotatably mounted drive rollers 65 which in the spaces between the successive baking tongs encircle baking tong chain.
The bogie 60 has two standing arranged, designed as a hollow body rotary star 66 whose interior is connected to the cavity of the hollow shaft 62. The outer periphery of the rotary star 66 is ausgeblldet as polygon. Each rectilinear section 67 of the polygon is provided with two spaced-apart elements 68 spaced apart from one another, which are arranged as having an opening.
11 nem elastic bellows provided suction cups are formed and connected via the hollow rotary star 66 with a vacuum source.
FIGS. 6a to 6g show a third embodiment of the horizontally arranged bogie of the product removal device. 6a shows the bogie 70 projecting into the unfolded baking tongs of a baking oven in an oblique view from the rear side. Fig. 6b shows the bogie 70 in its working position without baking tongs. FIG. 6c shows the rear side of the bogie 70. FIG. 6d shows the bogie 70 projecting into the unfolded baking tongs of a baking oven in a vertical section perpendicular to the axis of rotation of the bogie 70. FIG. 6e shows the bogie projecting into the unfolded baking tongs of a baking oven 70 in a vertical section through the axis of rotation of the bogie 70. FIG. 6f shows, in a vertical section, a product support arm of the bogie 70 in a chopped baking tongs above the tongs lower part of the baking tongs. FIG. 6g shows a side view of FIG. 6f.
The bogie 70 shown in Fig. 6a projects into three successive, unfolded baking tongs 71 of a baking oven inside. In Fig. 6a, the unfolded baking tongs 71 are shown only schematically. The bogie 70 is arranged in the unfolded baking tongs 71 on the pliers lower parts 71a and extends with its front to close to the folded-up pliers tops 71b zoom. The bogie 70 is rotatably mounted on its rear side in a holding device 72 attached to the oven rack. The holding device 72 is mounted vertically adjustable on the oven frame. The bogie 70 has a short, horizontal hollow shaft 73. On the hollow shaft 73 is located at the rear of the bogie 70 arranged Antriebsstern 74 which has star-shaped arms 75 which carry at their end portions rotatably mounted drive rollers 76 which in the interstices between the successive baking tongs 71 engage the rotating baking tong chain,
The bogie 70 provides its outer periphery adjacent Produkttragarme 77, which are arranged in the circumferential direction of the bogie 70 at a distance from each other and arranged on the outer periphery of the bogie 70, each designed as a suction element acceptance elements 78 of the bogie 70 wear.
Each Produkttragarm 77 has a parallel to the axis of rotation of the bogie 70 longitudinal bar 79. On the bogie 70 radially outwardly facing side of the longitudinal bar 79 five cross bars 80 are arranged, which are connected to the longitudinal bar 79 by a radially arranged connecting rod 81. Each crossbar 80 carries on its side facing away in the bogie 70 radially outward side three spaced from each other acceptance elements 78. Each decrease element 78 is formed as a fortified on the transverse bar 80, provided with an elastic bellows suction cup. The longitudinal bar 79, the five transverse bars 80 and the five connecting bars 81 are formed as hollow profiles. The longitudinal bar 79 is connected to a vacuum manifold 83, which is arranged at the end of the hollow shaft 73, by means of a radial connecting pipe 82 arranged close to the drive star 74. The Produkttragarm 77 carries fifteen, trained as a suction tap elements 78 which are arranged in a direction parallel to the axis of rotation of the bogie 70 level. The fifteen suction cups are connected to the vacuum manifold 83 via suction lines extending in the product support arm 77. The suction lines pass through the hollow cross bars 80 and the hollow connecting rods. · - »ί ·
To the hollow longitudinal bar 79 and through....... * the radial connecting pipe 82 to the vacuum manifold 83rd
The bogie 70 has nine, in the circumferential direction of the bogie 70 at a distance from each other arranged Produkttragarme 77. The bogie 70 rotates about its horizontal axis of rotation. In the region of the lower vertex of the bogie 70, a Produkttragarm 77 after the other with its, each provided with an elastic bellows suction cups by the rotational movement of the bogie 70 placed on the baked product pieces, which lie on the pliers lower parts 71 a of the unfolded baking tongs 71, the pass through the lower part of the bogie 70.
FIGS. 7a to 7d show a Produkttragarm 77 of the bogie 70. Fig. 7a shows the Produkttragarm 77 from the side, Fig. 7b in front view, Fig. 7c from above and Fig. 7d in an oblique view.
FIGS. 8a to 8d show a further embodiment of the bogie of the product removal device in engagement with a circulating baking tongs chain of a baking oven. 8a shows three successive, unfolded baking tongs of a baking tongs chain with the bogie protruding into the unfolded baking tongs from the rear side. FIG. 8b shows an oblique view of FIG. 8a. Fig. 8c shows the engagement of the bogie in the baking tong chain. FIG. 8d shows an oblique view of FIG. 8c.
The bogie 85 shown in Fig. 8a and 8b projects into three successive, unfolded baking tongs 86 of an endless baking tong chain of a baking oven inside. In FIGS. 8a and 8b, the unfolded baking tongs 86 are shown only schematically. The bogie 85 is disposed in the unfolded baking tongs 86 above the tongs lower portions 86a and extends with its front side close to the folded tongs upper parts 86b zoom. The bogie 85 is rotatably mounted on its rear side in a holding device 87 attached to the oven rack. The holding device 87 is mounted vertically adjustable on the oven frame. The bogie 85 has a arranged on the back of the bogie 85 Antriebsstern 88 having star-shaped arms 89 which carry at their end portions rotatably mounted drive rollers 90 which eingrei fen fen in the baking tong chain between the pliers lower portions 86a of the baking tongs 86th are arranged. In the baking tongs 86, the tongs lower parts 86a are provided at the front and rear edges with ledges 91, 92 projecting above the tongs lower parts 86a against which the drive rollers 90 of the bogie 85 abut.
FIGS. 9a to 9d show a removal element of the bogie, which is designed as a suction sleeve which can be pushed together elastically. Fig. 9a shows the suction sleeve from the side, Fig. 9b shows a vertical section through the suction sleeve, Fig. 9c, the suction sleeve in an oblique view and Fig. 9d is a plan view of the suction sleeve. The suction sleeve 94 has two coaxial, telescopically telescoping pipe sections 94a and 94b and the two pipe sections 94a and 94b auseinanderschiebende compression spring 95 inside the suction sleeve 94. The inner pipe section 94b carries a suction plate 96 arranged at the free end of the suction sleeve 94th
FIGS. 10a to 10d show a take-off element of the bogie, which is designed as a suction cup 97 provided with an elastic bellows 96. Fig. 10a shows the suction cup from the side, Fig. 10b shows a vertical section through the suction cup, Fig. 10c shows the suction cup in an oblique view and Fig. 10d shows a plan view of the suction cup.

权利要求:
Claims (9)
[1]
5 1, 5 1, 10 15 20 25 30 2. 35 3. 40 4. * + «· ·» fr • * »*« * r · * • · «l * ·« > "Ο • * R 48 4 4 4 R R R R R R R R R R R R R R R R R R R R R R R R R R R R 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 48 in which the oven (1) comprises a front oven part (1a), a rear oven part (1b), a furnace frame (1d) provided with an external heat insulation (1c), a baking chamber (2) arranged inside the thermal insulation (1c), and a in the oven (1) continuously circulating and through the baking chamber (2) moving, endless baking tong chain (3), which is arranged along a self-contained orbit located in two superposed transport levels (4,5) through both furnace parts ( 1a, 1b) extends, wherein the baking tong chain (3) up and zuklappbare and lockable in the closed state baking tongs (8), in which from baking mold tops and baking mold bottom parts existing baking molds are arranged, opened by opening the baking tongs (8) and Zuk by Zuk Lappen the baking tongs (8) are closed, wherein in the front oven part (1 a) means (18) for unlocking the baking tongs (8) on the orbit of the baking tong chain (3) is arranged along the upper transport plane (4) means (14 a ) for unfolding the baking tongs (8), a dispensing station (15), a loading station (16) and a device (14c) for closing the baking tongs (8) and a device (19) 2turning the baking tongs (8) in the running direction of the baking tongs (8) are arranged one behind the other, wherein in the dispensing station (15) there is provided a product removal device (17) taking the baked products from the unfolded baking tongs (8), followed by an upper transport device for the removed baked products, characterized in that Product picking device a horizontally arranged and about a horizontal axis of rotation rotatable bogie (36, 50, 60, 70, 85) hineinra, which hineinra in the unfolded baking tongs gt that the bogie (36, 50, 60, 70, 85) along its outer circumference arranged Ablaßeiemente (59, 68, 78) carries on the outer periphery of the bogie (36, 50, 60, 70, 85) in at least a longitudinal row extending along the circumference of the bogie (36, 50, 60, 70, 85) are arranged one behind the other such that the removal elements (59, 68, 78) are designed as suction elements connected to a vacuum source, wherein it may be provided that the lying horizontally arranged bogie (36, 50, 60, 70, 85) in the front oven part (1 a) is arranged vertically adjustable, and where appropriate provided that the horizontally arranged bogie (36, 50, 60, 70, 85) at its outer periphery has outwardly projecting drive lugs which engage in the baking tong chain in between the baking tongs arranged intermediate spaces of the baking tongs chain. Baking oven according to claim 1, characterized in that the bogie (50, 70) has at least two product support arms (58, 77) spaced along the circumference of the bogie (50, 70), each product support arm (58, 77) carries at least one suction element designed as a decrease element (59, 78). Baking oven according to claim 2, characterized in that the Produkttragarm has at least one rod which carries at least two suction elements formed as a decrease elements, which are arranged along the rod at a distance from each other. Baking oven according to claim 2, characterized in that the Produkttragarm (58) at least - 15 - ** t Ft-Nr 48911 has a parallel to the axis of rotation of the bogie (50) arranged longitudinal bar (58) which at least one suction element designed as a decrease element (59 ) wearing.
[2]
5. Baking oven according to claim 4, characterized in that the longitudinal bar (58) carries at least two suction elements designed as a decrease elements (59), which are arranged along the longitudinal bar (58) at 5 distance from each other.
[3]
6. Baking oven according to claim 4, characterized in that the Produkttragarm at least two, parallel to the axis of rotation of the bogie (50) arranged longitudinal rods (58) which are arranged in a to the axis of rotation of the bogie (50) parallel reference plane, and that the longitudinal bars (58) carry take-off elements (59) designed as a suction element, which are arranged perpendicular to the reference plane.
[4]
7. Baking oven according to claim 2, characterized in that the Produkttragarm (77) has a parallel to the rotational axis of the bogie (70) arranged longitudinal bar (79) carrying at least one transverse to the longitudinal bar (77) arranged transverse bar (80), in a transverse to the axis of rotation of the bogie (70) parallel reference plane is arranged, and that the cross bar (80) 15 carries two or more suction member formed as a decrease element (78) along the transverse bar (80) spaced from each other.
[5]
8. Baking oven according to claim 7, characterized in that the longitudinal bar (79) carries two or more spaced from each other transverse bars (80) which are arranged in a direction of rotation of the bogie (70) parallel reference plane, and that each transverse bar ( 8) carries at least two intake elements (78) designed as a suction element, which are arranged at a distance from one another along the transverse bar (80) and are each arranged perpendicular to the reference plane.
[6]
9. Oven according to claim 2, characterized in that the Produkttragarm has at least two, arranged parallel to the axis of rotation of the bogie longitudinal bars which are arranged in a plane parallel to the axis of rotation of the bogie reference plane, and that the product Tragarm arranged at least two transverse to the longitudinal bars Cross bars has, each carrying at least two suction elements designed as a decrease element, which are arranged along the transverse bar at a distance from each other and are each arranged perpendicular to the reference plane.
[7]
10. Baking oven according to one of claims 2-9, characterized in that the Produkttragarme (58, 77) are formed as hollow sections and form a part of the suction lines, of the attached to the product support arms (58,77), designed as a suction element decrease elements (59,78) lead to a vacuum source.
[8]
11. Oven according to one of claims 2-9, characterized in that the circumference of the bogie (50, 70) arranged decrease elements (59,78) as, preferably each with an elastic bellows (96) provided with suction cups (97) attached to the product support arms (58,77) and connected via suction lines to a vacuum source.
[9]
12. Baking oven according to any one of claims 2-9, characterized in that on the circumference of the bogie (50, 70) arranged decrease elements (59,78) are formed as elastically in together-sliding sliding sleeves (94) which on the Product carrying arms (58.77) attached »*

• "RNr4S91l 13. 5 14. 10 15. 16. 15 17. 20 18. 25 Vienna, are connected to and via suction lines with a vacuum source. Baking oven according to claim 1, characterized in that the horizontally arranged bogie (60) has at least one vertically arranged rotary star (66), which arranged on the circumference of the bogie (60), designed as a suction element acceptance elements (68), and that lying arranged bogie (60) optionally two or more spaced juxtaposed rotary star (66) has, which carry on the circumference of the bogie (60) formed, designed as a suction element decrease elements (68). Baking oven according to claim 13, characterized in that the standing arranged rotary stem (66) has an outer periphery formed as a polygon, in which the suction element designed as a decrease elements (68) on the straight sections (67) are arranged. Baking oven according to claim 14, characterized in that on the straight portions (67) of the outer circumference in each case at least two intake elements (68) designed as a suction element are arranged at a distance from each other. Baking oven according to one of claims 13-15, characterized in that the rotary star (66) is designed as a hollow body and forms a part of the suction line, which leads from the suction elements designed as a suction element (68) to a vacuum source. Baking oven according to one of claims 13-16, characterized in that the suction elements designed as a suction element (68) of the bogie (60) as, preferably each with an elastic bellows (96) provided with suction cups (97) are formed on the outer periphery of a Rotating star (66) attached and connected via suction lines with a vacuum source. Baking oven according to one of claims 13-16, characterized in that the suction elements designed as a suction element (68) of the bogie (60) as, elastically in zusam-maniebbare suction sleeves (94) are formed on the outer circumference of a rotary star (66) attached and connected via suction lines with a vacuum source. / F. ΠΑ! dm

15

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同族专利:

公开号 | 公开日

EP2706860A1|2014-03-19|

US20140076176A1|2014-03-20|

WO2012152778A1|2012-11-15|

US9854812B2|2018-01-02|

BR112013028727B1|2019-10-08|

RU2591978C2|2016-07-20|

JP2014513974A|2014-06-19|

EP2706860B1|2018-10-03|

BR112013028727A2|2016-08-09|

CN103648286A|2014-03-19|

AT511403B1|2015-10-15|

RU2013154374A|2015-06-27|

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法律状态:
2020-01-15| MM01| Lapse because of not paying annual fees|Effective date: 20190511 |

优先权:

申请号 | 申请日 | 专利标题

ATA672/2011A|AT511403B1|2011-05-11|2011-05-11|OVEN|ATA672/2011A| AT511403B1|2011-05-11|2011-05-11|OVEN|

RU2013154374/13A| RU2591978C2|2011-05-11|2012-05-08|Oven|

BR112013028727-6A| BR112013028727B1|2011-05-11|2012-05-08|COOKING OVEN WITH PRODUCT REMOVAL DEVICE|

US14/116,798| US9854812B2|2011-05-11|2012-05-08|Baking oven|

EP12719710.1A| EP2706860B1|2011-05-11|2012-05-08|Oven comprising a product removal device|

JP2014509705A| JP2014513974A|2011-05-11|2012-05-08|Baking kiln|

CN201280022667.0A| CN103648286B|2011-05-11|2012-05-08|The oven of device is taken off with product|

PCT/EP2012/058414| WO2012152778A1|2011-05-11|2012-05-08|Oven comprising a product removal device|

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