• 专利附录
  • 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:
    Device (1) to turn dough products in a baking machine, which has a container (2) that is rotated by means of a lifting device (5), where said lifting device has an inverter device (8) that it moves along a curved path and has an arm (10) and a gripper (11), which gripper (11) has a small bridge (6) separated from the arm and which extends transversely to the direction of transport. The reversing device, which has a plate (4) for lifting the container, cooperates with a receptacle (9) in the container and has a variable length in the radial direction. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2806898A2
    申请号:ES202030861
    申请日:2020-08-10
    公开日:2021-02-18
    发明作者:Franz-Josef Baumann；Maurice Baumann；Jens Baumgartner
    申请人:TECHGENION GmbH；
    IPC主号:
    专利说明:

    [0002] Device for turning dough products in a baking machine
    [0004] The invention relates to a device for turning a dough product over in a container and pivoting the container by means of a lifting device.
    [0006] An inverting device is often used to cook the dough product from both sides in a baking line. For cooking the dough product, a container is usually used that carries the dough product and transports it through a boiling fat. To ensure that the dough product floating in the boiling fat cooks evenly on both sides, the dough product is turned over after a certain cooking time. For the turning process, the container is lifted at the trailing end. This rotates the container and conveys the dough product to the container that precedes it. Hereinafter, the container is called a basket, a basket-like device or basket structure.
    [0008] The lifting of the basket is carried out, according to the state of the art, by means of a pneumatic cylinder. To rotate the basket, this cylinder cooperates with a stop located on the basket so that the rear part of the basket structure is raised in the transport direction.
    [0010] Starting from this, a short useful life of the pneumatic cylinder during its operation causes frequent stoppages of the cooking system. Furthermore, the use of a pneumatic cylinder makes it difficult to regulate its speed. In addition, costly cleaning and compressed air supply as well as high energy consumption are incentives for optimization.
    [0012] The invention is based on the objective of being able to operate an inverter device economically.
    [0014] This objective is achieved with a device according to claim 1.
    [0016] According to the invention, the device has a lifting device whose reversing device moves in a curved path. In operation, the inverter device comes into contact with a basket located in the conveying line during the process of movement, so that the basket is rotated. In the ideal case, the curved track is at least partially circular. This is due to the comparatively simple control of the curve tracks. Furthermore, the present invention enables improvements to be achieved in terms of downtime, speed control and associated cycle time control, operating costs, and energy consumption.
    [0018] The structural design of the lifting device also includes various turning devices, so that the charging frequency of each individual inverter device can be reduced while increasing the cycle time.
    [0020] According to a possible embodiment, the turning devices each have an arm and a gripper located therein. The arm separates the gripper of the reversing device from the axis of rotation. As a result, the gripper moves during operation at least section by section in an arc of a circle, which is partially in the contact zone of the baskets located on the conveying line.
    [0022] Preferably, the gripper of the reversing device has a bridge that is separate from the arm and runs transversely to the direction of transport. The advantage of such a gripper is that the reversing device transmits the force necessary for the turning process to the basket and is again detached from the basket without a release mechanism. For the transmission of the force, the gripper grasps a receptacle of the container.
    [0024] Preferably, to rotate the container the inverter device cooperates with a receptacle on the container. This creates a contact between the inverter device and a receptacle located in the container, whereby the force necessary for the turning process is transferred from the inverter device to the container. The inclination of the container causes a movement of the dough product in the basket advancing ahead in the direction of transport. The dough product rotates during this moving process.
    [0026] According to a preferred embodiment, the reversing device can have a variable length in the radial direction. The change of the arm length takes place especially during operation and here during gripping in the receptacle receptacle. To prevent snagging and to allow for a smooth sequence of motion, the arm is configured to be extendable.
    [0027] For this, the reversing device is preferably equipped with an elastic element, for example a tension spring, which is arranged inside the reversing device. The use of a tension spring allows, in particular, the return of the arm to its initial length. The use of a tension spring can prevent unwanted extension of the arm due to the effects of gravity and / or centrifugal force. In this way, an unintentional impact of the turning devices on the transport baskets can be avoided.
    [0029] In a preferred embodiment, a plate is arranged to lift the container in the area of the inverter device. During the turning movement, the clamp of the reversing device grasps the receptacle of the container and rotates it. Lifting the container by the plate allows controlled contact with a single container by the reversing device during operation.
    [0031] During operation, the reversing device can be rotated about an axis. This favors the rotational movement of the gripper.
    [0033] The inverter device of the lifting device is driven in particular by a variable speed motor, in particular a servo motor. The use of a servomotor makes it possible to easily adapt the rotation speed of the lifting device to the transport speed of the baskets of the baking machine. In addition, the servomotor allows quick and easy adjustment of the rotational speed during operation, even during one revolution. This allows the dough product to be accelerated when the basket is raised to improve the delivery of the dough product to the front basket. Furthermore, the servomotor is extremely low-maintenance, which significantly reduces system downtime compared to a state-of-the-art solution.
    [0035] According to one embodiment, the installation for turning the dough product can be mounted in variable positions along a production line. This is achieved in particular by screwing or clamping to the supports located above the production line. This allows, in particular, also a manual change of the reversal moment. For example, by moving the installation closer to the end of the conveyor line, the cooking time can be extended until reversal.
    [0036] Preferably, the installation has a shaft by which several lifting devices are connected to each other, spaced in the direction of the width of the container. The lifting devices are spaced in the width direction of the container. By using several lifting devices that offset each other, the basket can be tilted without causing great flexing.
    [0038] The shaft connecting the lifting devices to each other may be provided with one or more compensating couplings. Compensating couplings have a damping effect and compensate for radial as well as lateral and axial displacements.
    [0040] The following embodiments of the invention, with reference to the drawings, form, independently of the abstract in the claims, other characteristics of the preferred embodiments.
    [0042] It is shown schematically:
    [0044] Fig. 1 a device for turning the dough product, in section in side view,
    [0046] Fig. 2 a plurality of lifting devices that are mounted on a shaft and each has several inverter devices,
    [0048] Fig. 3 an inverter device of the lifting device consisting of an arm element, a receptacle as well as a spring element and a bridge, and
    [0050] FIG. 4 a connection of several lifting devices through a shaft provided with compensating couplings.
    [0052] Figure 1 shows a diagram of a device for turning a dough product in a side view. The turning device 1 rotates the dough containers 2 during operation. The dough product moves in the basket-type container 2 along a production line 3 and is lifted by a plate 4 in the area of the lifting device 5. In the embodiment shown in figure 1, a bridge 6 of an extension 7 of an inverter device 8 is found shortly before grasping the raised container 2. In this case, the bridge 6 of the inverter device 8 located in the extension 7 grips a receptacle 9 of the container 2. The inverter device 8 is again part of the lifting device 5. The extension 7 together with the bridge 6 of the inverter device 8 is arranged at the end of an element of the arm 10. The combination of bridge 6 and extension 7 forms a clamp 11.
    [0054] Figure 2 shows an embodiment of the device described in claim 1 together with the drive unit 12. The reversing devices 8 having the arm 10, the extension 7 and the bridge 6 are mounted on a shaft 13 of a drive unit 12 Furthermore, figure 2 shows a possible arrangement of the plate 4 used to lift the containers 2.
    [0056] In the embodiment of Figure 3, the reversing device 8 is shown with the arm element 10, the extension 7 and the bridge 6. Figure 3 also shows the use of an elastic element 14, which in the embodiment shown is located within the arm element 10. Figure 3 also shows the bridge 6 located at the extension 7. The bridge is arranged transversely to the direction of transport of the containers 2.
    [0058] The use of various lifting devices 5 is shown in figure 4. The lifting devices 5 are connected by means of the shaft 13, which is provided with compensating couplings 15. An axis 16 shows the axis of rotation around which the lifting device rotates. 5.
    [0060] In the operation of the cooking system, the raw dough product, especially small cakes, is transported through the boiling fat with the help of the container 2. In this process, the dough product is first cooked from one side and After a certain cooking time, it is inverted by the inverter device 1. During the inversion process, the containers 2 are lifted in the area of the lifting device 5 by the plate 4 up to the height of the gripper 11 of the inverter device 8. During the operation, the gripper 11 performs a rotational movement so that it grips the receptacle 9 of the container 2 and tilts it. Due to the possibility of a short-term increase in speed immediately before contact between the gripper 11 and the receptacle 9, the receptacle 2 is accelerated. This causes the dough product to land in the preceding receptacle 2 and perform an upward movement. rotation when thrown. With this, the dough product reaches the container 2 in front and during the inversion it carries out a turning movement. The dough product is then transported by means of the container 2 along conveyor line 3 and cooks from the other side. Both the device 1 and the conveying line 3 continue to move continuously during operation, so that the next raised basket 2 is grabbed by the next inverter device 8 and the process described above is repeated.
    [0061] List of reference signs
    [0063] 1 Turning device 2 Container
    [0064] 3 Production line
    [0065] 4 Sheet
    [0066] 5 Lifting device
    [0067] 6 Little bridge
    [0068] 7 Extension
    [0069] 8 Inverter device
    [0070] 9 Container receptacle
    [0071] 10 Reversing device arm 11 Gripper
    [0072] 12 Drive unit
    [0073] 13 Axle
    [0074] 14 Elastic element
    [0075] 15 Compensation coupling 16 Shaft
    权利要求:
    Claims (13)
    [1]
    1. Device for turning (1) a dough product located in a container (2), which rotates the container (2) by means of a lifting device (5), characterized in that the lifting device (5) has a device inverter (8) moving along a curved path.
    [2]
    Device according to claim 1, characterized in that the lifting device (5) comprises a plurality of inverter devices (8).
    [3]
    Device according to claims 1 to 2, characterized in that the reversing devices (8) each have an arm (10) and a gripper (11).
    [4]
    Device according to claim 3, characterized in that the gripper (11) of the reversing device (8) has a small bridge (6) separated from the arm (10) and extending transversely to the direction of transport.
    [5]
    Device according to claims 1 to 4, characterized in that the inverter device (8) cooperates with a receptacle of the container (9) to pivot the container (2).
    [6]
    Device according to claims 1 to 5, characterized in that the reversing device (8) has a variable length in the radial direction.
    [7]
    Device according to claim 6, characterized in that the reversing device (8) has an elastic element (14).
    [8]
    Device according to claims 1 to 7, characterized in that in the region of the inverter device (8). A plate (4) is arranged to lift the container (2).
    [9]
    Device according to claims 1 to 8, characterized in that the reversing devices (8) are arranged so that they can rotate about an axis (16).
    [10]
    Device according to claims 1 to 9, characterized in that the inverter devices are driven by a variable speed motor (12).
    [11]
    Device according to claims 1 to 10, characterized in that it can be mounted in a variable position along a production line (3).
    [12]
    Device according to claims 1 to 11, characterized in that it has a shaft (13) by means of which several lifting devices (5) are connected to each other, which have a gap in the width direction of the container (2).
    [13]
    Device according to claim 12, characterized in that the shaft (13) has one or more compensation couplings (15).
    类似技术:
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    同族专利:
    公开号 | 公开日
    ES2806898R1|2021-06-18|
    DE202019104469U1|2019-08-20|
    FR3099871A1|2021-02-19|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE7117130U|1971-09-02|Reimelt D Kg|Automatic fat fryer|
    US2067849A|1934-01-26|1937-01-12|Doughnut Corp|Doughnut machine|
    US2537204A|1946-05-29|1951-01-09|Doughnut Corp Of America|Doughnut turner|
    US4176590A|1978-08-07|1979-12-04|Automated Donut Systems, Inc.|Doughnut frying apparatus|
    DE2909273C2|1979-03-09|1980-11-27|Heinz 5883 Kierspe Habersang|Turning device for a fat fryer|
    US4442761A|1980-09-23|1984-04-17|Elsie Palmieri|Apparatus for making pastry products|
    DE3808680C2|1988-03-11|1990-02-22|Gth Geraetebau Gmbh, 3110 Uelzen, De|
    GB9718974D0|1997-09-09|1997-11-12|Williams Refrigeration Limited|Improvements in and relating to frying apparatus|
    FR2854560B1|2003-05-07|2005-07-22|C S I|APPARATUS AND METHOD FOR COOKING FRESH ENTRETS|
    法律状态:
    2021-02-18| BA2A| Patent application published|Ref document number: 2806898 Country of ref document: ES Kind code of ref document: A2 Effective date: 20210218 |
    2021-06-18| EC2A| Search report published|Ref document number: 2806898 Country of ref document: ES Kind code of ref document: R1 Effective date: 20210611 |
    优先权:
    申请号 | 申请日 | 专利标题
    DE202019104469.1U|DE202019104469U1|2019-08-13|2019-08-13|Device for turning pasta in a boiling bag system|
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