EP4332482A2 - Dispositif de séchage d'objets et notamment de caisses, caisses et analogues - Google Patents

Dispositif de séchage d'objets et notamment de caisses, caisses et analogues Download PDF

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Publication number
EP4332482A2
EP4332482A2 EP24152591.4A EP24152591A EP4332482A2 EP 4332482 A2 EP4332482 A2 EP 4332482A2 EP 24152591 A EP24152591 A EP 24152591A EP 4332482 A2 EP4332482 A2 EP 4332482A2
Authority
EP
European Patent Office
Prior art keywords
objects
rotation
boxes
axis
transport
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP24152591.4A
Other languages
German (de)
English (en)
Other versions
EP4332482A3 (fr
EP4332482B1 (fr
Inventor
Georg Bohrer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ludwig Bohrer Maschinenbau GmbH
Original Assignee
Ludwig Bohrer Maschinenbau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ludwig Bohrer Maschinenbau GmbH filed Critical Ludwig Bohrer Maschinenbau GmbH
Publication of EP4332482A2 publication Critical patent/EP4332482A2/fr
Publication of EP4332482A3 publication Critical patent/EP4332482A3/fr
Application granted granted Critical
Publication of EP4332482B1 publication Critical patent/EP4332482B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/08—Drying solid materials or objects by processes not involving the application of heat by centrifugal treatment

Definitions

  • the present invention relates to a device and a method for drying objects and in particular boxes or boxes.
  • boxes or crates which are used in particular to transport goods, are washed after use in order to be refilled. After such washing processes, it is known that these boxes are dried.
  • the boxes are usually exposed to a strong air flow, which blows liquid off the surfaces of the boxes.
  • this procedure is associated with very high levels of noise and also wastes energy, as the corresponding ventilation fans require a lot of energy.
  • a device for drying objects and in particular boxes or boxes, these boxes or boxes having at least one bottom wall and at least one side wall, has a transport device which transports the objects along a predetermined transport path.
  • a holding device is provided, which is suitable and intended for temporarily holding the objects, as well as a drive device and / or rotating device, which is suitable and intended for rotating the holding device with the object arranged thereon with respect to at least one predetermined axis of rotation.
  • the predetermined axis of rotation runs at an angle other than 90° relative to the bottom wall.
  • the object is rotated about an axis of rotation that is not perpendicular to the bottom wall of the container. In this way, spinning or rotating the object makes it easier to force liquid out of it.
  • the object is advantageously a box or a box which has at least one bottom wall and one side wall, whereby this side wall can be perpendicular to the bottom wall, for example.
  • the box or the object has at least two side walls in addition to the bottom wall.
  • the box or box particularly preferably has at least three and preferably four side walls.
  • a side wall can be a closed wall, that is, a wall without an opening, but it can also be a wall that has a large number of perforations.
  • the wall can also be formed in the form of a network or the like.
  • the wall can be constructed from a large number of mutually parallel struts or as a grid with a large number of struts.
  • a side wall can also consist only of individual webs and/or form a material-free window.
  • the wall itself to be rigid, but it would also be possible for the side wall to be flexible.
  • the bottom wall can also be designed to be both rigid and flexible.
  • the box can be a folding or collapsible box, but it can also be a box that is not foldable or always remains in the same state.
  • the box is particularly preferably a box made of plastic.
  • the bottom wall can also preferably be designed as a continuous or closed wall, but it would also be possible for the bottom wall to also have openings. It is also possible for the bottom wall to be made in one piece.
  • the side walls can also be made in one piece, but it would also be possible for the side parts to be made in several parts.
  • the drive device has an electric motor and in particular a servo motor.
  • other engines are also conceivable as drive devices, such as fuel-operated engines.
  • the drive device is particularly preferably a servo motor. In this way it is possible to rotate the object by a precisely predetermined angle of rotation, for example by five to ten full revolutions. In this way, the container can be defined again after rotation or arranged in a defined position on the transport device.
  • the device preferably has a movement element which is suitable and intended to distance and/or decouple the object from the transport device at least during its rotation.
  • the object could also be lifted (briefly) from the transport device during its rotation in order to be able to rotate essentially freely.
  • the rotating device or the drive device is suitable and intended to rotate the objects by a defined angle and in particular by an angle that represents an integer multiple of 90°.
  • the objects it is possible for the objects to be rotated through full revolutions in order to get back onto the transport device in the same way that they were before the rotation began.
  • the transport device can be, for example, a conveyor belt on which the objects are conveyed. In addition, however, they could also be side guide belts, which hold the objects to be dried between them and transport them in this way.
  • the holding device it is conceivable that it is brought close to the containers in order to carry out the spinning process, for example delivered to the containers from above or below. Furthermore, it is possible for the holding device to also have gripping elements which enable the objects to be gripped.
  • the transport device has a feeding transport device which brings the objects to the respective spin stations.
  • the transport device can also have a carrier onto which the objects are pushed so that they can then be gripped by the gripping device.
  • the geometric axis of rotation does not intersect the bottom wall of the respective objects.
  • the axis of rotation does not intersect a horizontal plane in which the bottom wall is also located.
  • the geometric axis of rotation runs parallel to a plane of the bottom wall.
  • the bottom wall itself to be rotated with respect to this axis of rotation or around this axis of rotation.
  • the geometric axis of rotation runs parallel to a plane of the bottom wall or within a plane of the bottom wall.
  • the axis of rotation runs parallel to the bottom wall and in particular runs relatively close to the bottom wall or also lies in the plane of the bottom wall. It would be conceivable that the axis of rotation runs through the volume of the object (i.e., in particular intersects the side walls) or runs outside the volume of the object (i.e., for example, if the object is upright, it runs below the bottom of the object).
  • the axis of rotation to the bottom wall to be at a distance that is less than half the height of the object, preferably less than a third of the height of the object and preferably less than a quarter of the height of the object.
  • the drive device has a counterweight to compensate for an imbalance during rotation.
  • the container is preferably rotated about an axis of rotation which is near the bottom of the container. For this reason, the objects are preferably not rotated around an axis, which contains the focus.
  • a counterweight is preferably provided. It is possible that the position of this counterweight can be shifted in order to be able to hurl different boxes or crates.
  • the drive device is suitable and intended to generate rotational speeds of at least 20 revolutions per minute, preferably of at least 40 revolutions per minute.
  • the drive device is suitable and intended to generate a rotational speed of at most 700 revolutions per minute, preferably at most 600 revolutions per minute, preferably at most 500 rpm and preferably at most 300 rpm.
  • the transport device transports and/or conveys the objects along a straight transport path.
  • the objects can thus be fed to the drive or rotating device along this straight transport path.
  • a locking device could be provided which, despite the continuous conveyance, only allows individual containers or objects or groups of containers or objects to reach the area in which they are rotated.
  • drive devices can also be provided for rotating the objects.
  • these drive devices can be arranged one behind the other in the transport direction.
  • the axis of rotation of the containers mentioned above is parallel to the transport path.
  • the device has a housing which serves to catch or shield the liquid, for example water, thrown away by the centrifugal process.
  • the device has an additional drying device, for example in the form of a blower.
  • additional drying device for example in the form of a blower.
  • cooling air for the drive motors can also be used for additional drying.
  • this blower can be dimensioned smaller than is usual in the prior art.
  • the holding device is a gripping device, which preferably grips the objects on at least one side wall.
  • the gripping device particularly preferably grips the objects on two side walls and particularly preferably on two opposite side walls.
  • the gripping device can contact the objects on an outside of the side walls or on an inside of the side walls.
  • the gripping device particularly preferably grips the objects in such a way that the axis of rotation of the spinning movement is parallel to a longer side of the objects.
  • the gripping device it would also be possible for the gripping device to grip the objects on their inner wall or on the bottom wall.
  • the gripping device is a gripping device preloaded by a clamping means, in particular a spring device. It is preferably possible for this clamping device to force the gripping device into a closed position, i.e. into a position in which it holds at least one object. This has the advantage that the objects are automatically gripped by the gripping device without the influence of additional forces. In this way, the objects can be held while performing the rotation without additional forces and/without additional energy supply.
  • the device has actuators which are suitable and intended to move the holding device and/or gripping device from a closed position and/or a position in which the objects are held into an open position, i.e. a position in which the objects are not grasped, to transfer.
  • actuators which are suitable and intended to move the holding device and/or gripping device from a closed position and/or a position in which the objects are held into an open position, i.e. a position in which the objects are not grasped, to transfer.
  • the gripping devices it would be possible for the gripping devices to be reset by the actuator after the rotation has been carried out, thus releasing the grip on the objects.
  • the actuator is preferably a guide curve.
  • the grip on the objects can be released by a relative movement between this guide curve and the gripping device.
  • the actuator can also have a drive, such as in particular but not exclusively an electric drive, a pneumatic drive and/or a hydraulic drive.
  • the gripping device can have two holding elements, such as clamping jaws, which contact the objects on two opposite surfaces and thus clamp them. These holding elements preferably extend in the transport direction of the objects.
  • the gripping device is suitable and intended for gripping several objects and in particular boxes, in particular at the same time.
  • the gripping device is suitable and intended for gripping at least two objects, preferably for gripping at least three objects.
  • the gripping device can have contact elements which contact the objects.
  • these contact elements can be interchangeable, for example to enable adaptation to different objects.
  • the gripping device is arranged stationary in the transport direction of the objects.
  • the gripping device is preferably also rotatable about the above-mentioned axis of rotation.
  • the device has a cage device into which the objects can be moved during the spinning process. In this way, the objects can be rotated or thrown safely.
  • the gripping device is arranged above or below the transport path of the objects.
  • the gripping device is preferred delivered to the objects in a direction that is essentially perpendicular to the transport path of the objects.
  • gripping elements of the gripping device it would also be conceivable for gripping elements of the gripping device to move on a circular path.
  • the drive device is suitable and intended for rotating several objects at the same time. It is possible for these several objects to lie directly against one another, but it would also be possible for intermediate pieces to be provided, which ensure the connection between two objects.
  • the present invention is further directed to a method for drying objects and in particular for boxes or boxes, these boxes or boxes having at least one bottom wall and at least one side wall and the objects being transported by means of a transport device along a predetermined transport path and by a holding device be held at least temporarily.
  • a drive device rotates the holding device with the object arranged thereon with respect to at least one predetermined axis of rotation.
  • the predetermined axis of rotation runs at an angle other than 90° relative to the bottom wall and/or at an angle other than 90° relative to a horizontal plane.
  • the containers are not rotated about an axis of rotation perpendicular to the bottom wall, as is usual in the prior art, but rather about a different (geometric) axis, in order to push liquid away from the container more easily. to push out of the box.
  • a transport speed of the objects or containers or boxes at which the transport device transports them greater than 0.2 m/s, preferably greater than 0.3 m/s, preferably greater than 0.4 m/s and preferred greater than 0.5 m/s and preferably greater than 0.6 m/s.
  • the transport speed is less than 3 m/s, preferably less than 2.5 m/s, preferably less than 2 m/s, preferably less than 1.5 m/s.
  • the duration of the spinning is at least one second, preferably at least two seconds, preferably at least three seconds.
  • the duration of the spinning is less than 20 s, preferably less than 15 s, preferably less than 12 s, preferably less than 10 s, preferably less than 8 s and particularly preferably less than 6 s.
  • the objects are boxes or boxes.
  • these boxes or crates are at least temporarily conveyed upside down, that is, with a filling opening pointing downwards.
  • the objects are gripped by a gripping device as they rotate. It is conceivable that the objects are transported into an area in which they are rotated or thrown.
  • the gripping device is preferably moved towards the objects in order to grip them.
  • This delivery preferably takes place under the force of a spring device and in particular without applying further forces.
  • the objects are held during the rotation and/or spinning process only by the force of said spring device.
  • the engagement of the gripping device is released after the spinning process.
  • this release occurs against the force of the spring device.
  • This release is preferably carried out by an additional force and in particular by the force of an actuator.
  • FIG. 1 shows a schematic representation of a device 1 according to the invention in a first embodiment.
  • a transport device is provided, which is designated here in its entirety by 2, but has two transport sections. These transport sections are interrupted by a rotation module, which generates the rotation of the objects about their axis D.
  • the reference number 8 denotes a carrier which is suitable and intended to hold a total of 3 objects.
  • the objects can be rotated together with this carrier 8 with respect to the axis of rotation D.
  • the reference number 4 denotes holding devices which here engage laterally on the three objects 10 arranged next to one another.
  • the reference number 6 denotes a drive device which rotates the holding device together with the objects arranged thereon. These holding devices 4 can each be delivered to the objects 10
  • the reference numbers 10' and 10" each identify objects that are not yet being rotated here, i.e. that are still in front of or already behind the rotation area in the transport direction T.
  • the carrier itself can also be pivoted about a pivot axis Y, which is arranged vertically in the figure, between a first position and a second position.
  • objects can be fed to the carrier starting from the left transport section or already dried objects can be removed to the right onto the second transport section.
  • the objects on the carrier 8 can be rotated about the axis D for drying.
  • a locking device prevents the supply of further objects 10 during the drying phase.
  • the carrier 8 can also have a drive device for transporting the objects. However, it would also be possible for the objects to be pushed onto the carrier by other objects.
  • the support could be equipped in the form of a cage which is rotatable in its entirety with respect to the axis of rotation D. Furthermore, a counterweight (not shown) could be present, which prevents imbalances from occurring when the carrier loaded with the objects 10 rotates.
  • Fig. 2 shows a roughly schematic sectional view of a single box with a bottom wall 10a and two side walls 10b.
  • the reference numbers D, D1 and D2 indicate three possible axes of rotation. It can be seen that the axis of rotation D runs parallel to the floor 10a and here along the longitudinal direction L of the box, with the axis of rotation D here running above the floor through the interior R of the box 10 and also through the two side walls 10b.
  • the axis of rotation D1 runs here in the direction of the spatial diagonal of the box, for example through two opposite corners.
  • Another possible axis of rotation D2 also runs parallel to the floor 10a, but here under it and therefore outside the box 10.
  • the axes of rotation are preferably also inclined relative to a plane of the floor surface by an angle that is greater than 10°, preferably greater than 20°, preferably greater than 30°, preferably greater than 40° and particularly preferably greater than 50°.

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Specific Conveyance Elements (AREA)
  • Drying Of Solid Materials (AREA)
EP24152591.4A 2018-07-18 2019-06-19 Dispositif de séchage d'objets et notamment de caisses, caisses et analogues Active EP4332482B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018117417.9A DE102018117417B3 (de) 2018-07-18 2018-07-18 Vorrichtung zum Trocknen von Objekten und insbesondere von Kisten, Kästen und dergleichen
EP19181156.1A EP3598045B1 (fr) 2018-07-18 2019-06-19 Dispositif de séchage de boîtes, de caisses et analogues

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP19181156.1A Division EP3598045B1 (fr) 2018-07-18 2019-06-19 Dispositif de séchage de boîtes, de caisses et analogues

Publications (3)

Publication Number Publication Date
EP4332482A2 true EP4332482A2 (fr) 2024-03-06
EP4332482A3 EP4332482A3 (fr) 2024-05-15
EP4332482B1 EP4332482B1 (fr) 2025-08-06

Family

ID=66998295

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19181156.1A Active EP3598045B1 (fr) 2018-07-18 2019-06-19 Dispositif de séchage de boîtes, de caisses et analogues
EP24152591.4A Active EP4332482B1 (fr) 2018-07-18 2019-06-19 Dispositif de séchage d'objets et notamment de caisses, caisses et analogues

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19181156.1A Active EP3598045B1 (fr) 2018-07-18 2019-06-19 Dispositif de séchage de boîtes, de caisses et analogues

Country Status (2)

Country Link
EP (2) EP3598045B1 (fr)
DE (1) DE102018117417B3 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2711617B2 (ja) * 1992-06-26 1998-02-10 昭和アルミニウム株式会社 遠心分離機をインライン化した連続式表面処理方法及びその装置
DE19503010A1 (de) * 1995-01-31 1996-08-08 Log Sped Ges Fuer Logistik Und Verfahren und Vorrichtung zum automatisierten Trocknen nasser Kunststoffkisten
US5675905A (en) 1996-06-14 1997-10-14 The Great Northern Equipment Company Llc Dryer system for vegetables
DE19833416A1 (de) 1998-07-24 2000-01-27 Guenter Landesberger Kistentrocknungsanlage
NL1014651C1 (nl) 2000-03-15 2001-09-21 Systemate Group Bv Krattendroger.
AT515324B1 (de) * 2014-02-06 2016-05-15 Tms Turnkey Mfg Solutions Gmbh Schleuderreinigungsanlage und Verfahren zum Betreiben einer Schleuderreinigungsanlage
CN106895666B (zh) * 2017-03-27 2022-12-20 张家港市百思特超声电气有限公司 同轴离心脱水装置

Also Published As

Publication number Publication date
DE102018117417B3 (de) 2020-01-02
EP3598045A1 (fr) 2020-01-22
EP3598045B1 (fr) 2024-02-21
EP4332482A3 (fr) 2024-05-15
EP4332482B1 (fr) 2025-08-06

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