EP3321209B1 - Elastic support body - Google Patents

Elastic support body Download PDF

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Publication number
EP3321209B1
EP3321209B1 EP17020452.3A EP17020452A EP3321209B1 EP 3321209 B1 EP3321209 B1 EP 3321209B1 EP 17020452 A EP17020452 A EP 17020452A EP 3321209 B1 EP3321209 B1 EP 3321209B1
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EP
European Patent Office
Prior art keywords
cover
support body
body according
core
base plate
Prior art date
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Active
Application number
EP17020452.3A
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German (de)
French (fr)
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EP3321209A3 (en
EP3321209A2 (en
Inventor
Willibald Hergeth
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Individual
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Individual
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/07—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using resilient suspension means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02—Internal fittings
    • B65D25/10—Devices to locate articles in containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/107—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using blocks of shock-absorbing material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/107—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using blocks of shock-absorbing material
    • B65D81/1075—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using blocks of shock-absorbing material deformable to accommodate contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
    • B65D2585/68—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/68—Containers, packaging elements or packages, specially adapted for particular articles or materials for machines, engines or vehicles in assembled or dismantled form

Definitions

  • the invention relates to a resilient support body for receiving cargo in a container.
  • containers are therefore often made specifically for the individual component with defined securing means, such as those from the US 4,735,310 are known. Most of these are complex constructions with metal fittings.
  • the receiving and fixing device for receiving and transporting goods is in the DE 10 2011 016 752 A1 released.
  • the receiving and fixing device has a section for receiving the object, which partially consists of a flexible, contour-encompassing, shape-adaptive and shock-absorbing material.
  • areas of different hardness or density are provided.
  • a gentle fixation of the cargo by a largely elastic support body often creates a conflict of objectives with the requirements for the raw operating conditions and a robust connection of the support body to the container.
  • the main advantages of the invention are that the separation and assignment of the tasks according to the invention into structurally different components of the support body, namely in the cover and base plate, enables the support body to be designed without conflicting objectives.
  • the cover consists of an elastomer or rubber-elastic polymer. This enables the cover and base plate to be adapted to rockfall, water and cold conditions of use, as is reflected in the further features of the invention.
  • the core which at least partially fills the interior of the lid, likewise consists of a plastic, the Shore hardness of which is, however, different from that of the Cover material.
  • the core increases the pressure resistance of the lid and provides a restoring effect if the lid is deformed under load and then relieved. This effect supports the close fitting of the lid to the contour of the load and leads to extremely gentle contacting and storage of the load.
  • the Shore hardness of the lid and core accordingly, the effect can be optimized according to the application environment.
  • the cover is thermally welded to the base plate or molded or integrally molded and thus represents a robust connection between the cover and base plate.
  • a polymer from the group silicone, elastic polyurethane, TPU, silicone gel, polyurethane gel, latex, rubber, PVC or synthetic rubber is recommended.
  • a thermoplastic polyurethane elastomer for the material of the cover and, if necessary, also of the core is suggested for good values in terms of tear strength and flexural fatigue strength as well as for a wide operating temperature range.
  • the base plate When choosing the material of the base plate, it should be noted that this has a higher Shore hardness than that of the cover. This enables a more robust connection between the base plate and a container, for example a pallet.
  • the use of an elastomer or polymer is also advantageous here.
  • the base plate can in turn be attached to a container using conventional fastening means, such as screw or clamp connections.
  • the structure and choice of material of the core can primarily influence the deformation behavior of the support body.
  • the core has a number of webs which extend from the cover to the base plate for the transmission of compressive forces.
  • rod-shaped web structures as well as honeycomb-shaped cores with holes are advantageous.
  • Fig. 1 the completed support body 1 with the assemblies cover 2, cover edge 3 and base plate 4 is shown.
  • the lid 2 has a cuboid contour with rounded edges and a lid top O, which is provided with corrugated grooves 5 running parallel to one another.
  • the grooves 5 provide a toothing effect between the lid 2 and the load and thus leads to better adhesion of the load, which comes to rest on the lid top O. The risk of the load slipping during transport is thus reduced.
  • the material of the cover 2 is made of Elastollan®, a thermoplastic polyurethane elastomer (TPU).
  • TPU is characterized by good resilience, lightfastness and cold flexibility. Preferred hardnesses are between 55 Shore A and 74 Shore A.
  • the lid 2 runs out in a flat, circumferential lid edge 3 of uniform width b.
  • the peripheral edge of the lid 3 is encompassed by a peripheral frame 6 of the base plate 4 and is thermally welded to it.
  • Fig.2 the inner structure and the components of the support body 1 are illustrated in an exploded view.
  • the lid 2 with the peripheral lid edge 3 at its bottom end are made in a one-piece injection molded part.
  • the hollow, cuboid interior of the cover 2 takes in Fig. 1 not visible core 7.
  • Fig. 4 shown composed of a rectangular grid structure 8 and a plurality of rod-shaped feet 9.
  • the external dimensions - width and length - of the lattice structure 8 essentially correspond to the rectangular cross section of the interior of the cover 2.
  • the feet 7 protrude perpendicularly from the plane of the lattice structure 8 and are each based on the intersections 10 of the lattice structure 8.
  • the free end of the Feet 9 protrudes towards the base plate 4, so that, as in Fig.
  • the lattice structure 8 comes to rest on the inside of the lid, while the free ends of the feet 9 sit on the bottom plate 4 on the lid side.
  • the base plate 4 has annular elevations 11 formed on the cover side and arranged in a checkerboard fashion. In the circular recesses 12 of the elevations 11, the free end of the feet 9 projects and is supported therein.
  • the deformability of the feet 9 thus decisively determines the deformation behavior of the core 7 and thus of the cover 2 surrounding the core 7 when subjected to pressure which results from the load lying thereon.
  • the frame 6 has an L-shaped profile cross-section and comprises the circumferential lid edge 3 and the edge 13 the base plate 4. Thermal welding of the lid edge 3 to the frame 6 and edge 13 results in an inseparable, robust connection of the lid 2 to the frame 6 and base plate 4.
  • FIGS Fig. 5 and 6 Another embodiment of the core 7 is shown in FIGS Fig. 5 and 6 shown.
  • the core 7 is formed here by a cuboid block, which likewise largely fills the interior of the cover 2 from the inside of the cover to the base plate 4.
  • the core 7 is penetrated by rows of cylindrical bores 14, the bores being aligned with their axis vertically to the base plate 4.
  • the rows of bores 14 are arranged offset from one another, so that the variation in the wall thicknesses in the core 7 between the bores 14 is minimized.
  • the deformation behavior of the core 7 can be adapted by varying the bore diameter and the number of bores 14.
  • a further variation of the deformation parameter is determined by the choice of the core material. This is a plastic, the Shore hardness of which is different from the lid material.
  • the base plate 4 has flat cylindrical elevations 11 which are arranged corresponding to the bores 14 and each protrude into the bores 14 for fixing the core 7 on the base plate 4.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Buffer Packaging (AREA)

Description

Die Erfindung betrifft einen formelastischen Auflagekörper zur Aufnahme von Ladegut in einem Behälter.The invention relates to a resilient support body for receiving cargo in a container.

Beim Transport und bei der Lagerung von Maschinenbauteilen und anderen festen Gütern in Behältnissen, wie z. B. auf Paletten, ist es häufig erforderlich, diese Bauteile auf dem Boden oder an Haltevorrichtungen der Behältnisse sicher festzulegen, um das wertvolle Transportgut vor Beschädigung zu schützen. Insbesondere ist darauf zu achten, dass beim Kontakt mit den Haltevorrichtungen beim Be- und Entladen aber auch bei Erschütterungen des Behältnisses, wie sie beim Transport auftreten können, keine Beschädigungen eintreten. Dabei sind selbst kleine Kratzer oder andere Beeinträchtigungen der Oberfläche des Transportgutes zu vermeiden.When transporting and storing machine components and other solid goods in containers such as B. on pallets, it is often necessary to securely set these components on the floor or on holding devices of the containers in order to protect the valuable goods from damage. In particular, care must be taken to ensure that no damage occurs on contact with the holding devices during loading and unloading, but also when the container is shaken, as can occur during transport. Even small scratches or other impairments to the surface of the goods to be transported must be avoided.

Für empfindliche und hochwertige Maschinenbauteile werden daher häufig speziell auf das einzelne Bauteil zugeschnittene Behälter mit definierten Festlegungsmitteln zur Sicherung gefertigt, wie sie beispielsweise aus der US 4,735,310 bekannt sind. Meist handelt es sich hierbei um aufwendige Konstruktionen mit Metallbeschlägen.For sensitive and high-quality machine components, containers are therefore often made specifically for the individual component with defined securing means, such as those from the US 4,735,310 are known. Most of these are complex constructions with metal fittings.

Einen anderen Weg beschreitet eine aus der DE 41 35 228 C bekannte Lösung. Dort wird ein kegelförmiger Auflagekörper vorgeschlagen, der das Ladegut an dessen kegelförmigen Umfang aufnimmt und festlegt. Die elastische Ausführung des Auflagekörpers erlaubt eine schonende Fixierung stoßempfindlicher Ladegüter. Als besonders vorteilhaft erweist sich hierbei die Verwendung eines Elastomers als Werkstoff für den Auflagekörper, wodurch nicht nur Stöße gedämpft werden sondern die Auflagefläche des Ladegutes vor Kratzern u.ä. Oberflächenbeschädigungen geschützt wird.Another path follows from the DE 41 35 228 C known solution. There a conical support body is proposed, which picks up and fixes the load on its conical circumference. The elastic design of the support body allows gentle loading of shock-sensitive goods. The use of an elastomer as a material for the support body has proven to be particularly advantageous, as a result of which not only are shock absorbers damped, but the support surface of the load against scratches and the like. Surface damage is protected.

Eine weitere Aufnahme- und Fixiereinrichtung Aufnahme und von Transportgut ist in der DE 10 2011 016 752 A1 veröffentlicht. Hierbei weist die Aufnahme- und Fixiereinrichtung einen Abschnitt zum Aufnehmen des Gegenstandes auf, der teilweise aus einem nachgiebigen, konturumfassenden, formadaptiven und schlagdämpfenden Material besteht. Um das Einsinken des Transportgutes in die Aufnahme- und Fixiereinrichtung zu begrenzen, sind Bereiche unterschiedlicher Härte oder Dichte vorgesehen.Another receiving and fixing device for receiving and transporting goods is in the DE 10 2011 016 752 A1 released. Here, the receiving and fixing device has a section for receiving the object, which partially consists of a flexible, contour-encompassing, shape-adaptive and shock-absorbing material. In order to limit the sinking of the transported goods into the receiving and fixing device, areas of different hardness or density are provided.

Eine schonende Fixierung des Ladegutes durch einen weitgehend elastischen Auflagekörper stellt häufig einen Zielkonflikt mit den Anforderungen an die rohen Einsatzbedingungen und an eine robuste Anbindung des Auflagekörpers an den Behälter dar.A gentle fixation of the cargo by a largely elastic support body often creates a conflict of objectives with the requirements for the raw operating conditions and a robust connection of the support body to the container.

Hiervon ausgehend ist es die Aufgabe der Erfindung einen gattungsgemäßen Auflagekörper anzugeben, der einerseits eine ladegutschonende und konturnahe Aufnahme gestattet und andererseits eine robuste Festlegung des Auflagekörpers in einem Behälter ermöglicht wird.Proceeding from this, it is the object of the invention to provide a generic support body which, on the one hand, permits loading which is gentle on the load and is close to the contour, and on the other hand enables the support body to be stably fixed in a container.

Die Aufgabe wird durch einen erfindungsgemäßen Auflagekörper nach den Merkmalen des Anspruches 1 gelöst. Vorteilhafte Ausgestaltungen sind den abhängigen Ansprüchen zu entnehmen.The object is achieved by a support body according to the invention according to the features of claim 1. Advantageous configurations can be found in the dependent claims.

Die wesentlichen Vorteile der Erfindung bestehen darin, dass mit den erfindungsgemäßen Separierung und Zuordnung der Aufgaben in baulich verschiedene Bauteile des Auflagekörpers, nämlich in Deckel und Bodenplatte eine zielkonfliktfreie Gestaltung des Auflagekörpers ermöglicht wird. Der Deckel besteht dabei aus einem Elastomer oder gummielastischen Polymer. Dies ermöglicht eine Anpassung von Deckel und Bodenplatte an steinschlag-, wasser- und kältegefährdeten Einsatzbedingungen, wie dies in den weiteren Merkmalen der Erfindung zum Ausdruck kommt.The main advantages of the invention are that the separation and assignment of the tasks according to the invention into structurally different components of the support body, namely in the cover and base plate, enables the support body to be designed without conflicting objectives. The cover consists of an elastomer or rubber-elastic polymer. This enables the cover and base plate to be adapted to rockfall, water and cold conditions of use, as is reflected in the further features of the invention.

Der den Innenraum des Deckels zumindest teilweise ausfüllende Kern besteht ebenfalls aus einem Kunststoff, dessen Shore-Härte jedoch verschieden ist von der des Deckelmaterials. Der Kern verstärkt die Druckfestigkeit des Deckels und sorgt für einen rückstellenden Effekt wenn der Deckel unter Last deformiert und danach wieder entlastet wird. Dieser Effekt unterstützt das konturnahe Anschmiegen des Deckels an die Kontur des Ladegutes und führt hiermit zu einer äußerst materialschonenden Kontaktierung und Lagerung des Ladegutes. Durch entsprechendes Abstimmen der Shore-Härten von Deckel und Kern lässt sich der Effekt entsprechend des Einsatzumfeldes optimieren.The core, which at least partially fills the interior of the lid, likewise consists of a plastic, the Shore hardness of which is, however, different from that of the Cover material. The core increases the pressure resistance of the lid and provides a restoring effect if the lid is deformed under load and then relieved. This effect supports the close fitting of the lid to the contour of the load and leads to extremely gentle contacting and storage of the load. By adjusting the Shore hardness of the lid and core accordingly, the effect can be optimized according to the application environment.

Schließlich ist der Deckel mit der Bodenplatte thermisch verschweißt oder form- oder stoffschlüssig umspritzt und stellt damit eine robuste Verbindung zwischen Deckel und Bodenplatte dar.Finally, the cover is thermally welded to the base plate or molded or integrally molded and thus represents a robust connection between the cover and base plate.

Bevorzugte Ausführungen ergeben sich aus den Unteransprüchen.Preferred explanations result from the subclaims.

Zur Erzielung guter Leistung mit einer großen Breite von mechanischen, thermischen, chemischen und elektrischen Eigenschaften empfiehlt sich die Verwendung eines Polymers aus der Gruppe Silikon, elastisches Polyurethan, TPU, Silikongel, Polyurethangel, Latex, Gummi, PVC oder Synthesekautschuk. Für gute Werte bei Reißfestigkeit und Biegewechselfestigkeit sowie für ein großes Betriebstemperaturspektrum wird die Verwendung eines thermoplastischen Polyurethan-Elastomers für den Werkstoff des Deckels und ggfs. auch des Kerns vorgeschlagen.To achieve good performance with a wide range of mechanical, thermal, chemical and electrical properties, the use of a polymer from the group silicone, elastic polyurethane, TPU, silicone gel, polyurethane gel, latex, rubber, PVC or synthetic rubber is recommended. The use of a thermoplastic polyurethane elastomer for the material of the cover and, if necessary, also of the core is suggested for good values in terms of tear strength and flexural fatigue strength as well as for a wide operating temperature range.

Bei der Wahl des Werkstoffes der Bodenplatte ist zu beachten, dass diese eine höhere Shorhärte als die des Deckels aufweist. Dadurch lässt sich eine robustere Verbindung zwischen Bodenplatte und einem Behälter, z.B. einer Palette darstellen. Auch hier ist die Verwendung eines Elastomers oder Polymers vorteilhaft. Die Bodenplatte lässt sich wiederum mit üblichen Befestigungsmitteln, wie z.B. Schraub- oder Klemmverbindungen an einen Behälter anbringen.When choosing the material of the base plate, it should be noted that this has a higher Shore hardness than that of the cover. This enables a more robust connection between the base plate and a container, for example a pallet. The use of an elastomer or polymer is also advantageous here. The base plate can in turn be attached to a container using conventional fastening means, such as screw or clamp connections.

Was die geometrischen Abmessungen des Auflagekörpers anbelangt, so bietet sich eine Auswahl an verschiedenen Bauhöhen und Längen und Breiten im Rahmen einer überschaubaren Baureihenvariation an, um den unterschiedlichsten Abmessungen des zu erwartenden Ladegutes gerecht zu werden.As far as the geometrical dimensions of the support body are concerned, there is a choice of different heights and lengths and widths within the framework of a manageable series variation in order to meet the most varied dimensions of the goods to be expected.

Während dem Deckel in seiner Funktion primär die konturnahe und anschmiegende Kontaktierung und Fixierung des Ladegutes zukommt, lässt sich über die Gestaltung des Kerns in seiner Struktur und Werkstoffwahl primär das Verformungsverhalten des Auflagekörpers beeinflussen. Hierzu weist der Kern eine Anzahl von Stegen, die sich zur Übertragung von Druckkräften vom Deckel zur Bodenplatte erstrecken. In weiterer Ausbildung des Kerns sind stabförmige Stegstrukturen wie auch wabenförmige, mit Bohrungen durchzogene Kerne vorteilhaft.While the function of the cover is primarily the close-fitting and conforming contacting and fixing of the load, the structure and choice of material of the core can primarily influence the deformation behavior of the support body. For this purpose, the core has a number of webs which extend from the cover to the base plate for the transmission of compressive forces. In a further development of the core, rod-shaped web structures as well as honeycomb-shaped cores with holes are advantageous.

Die Erfindung kann noch besser verstanden werden, wenn Bezug auf die nachfolgenden Figuren genommen wird.The invention can be better understood if reference is made to the following figures.

Es zeigen:

Fig. 1
eine isometrische Ansicht des Auflagekörpers,
Fig. 2
eine Explosionsansicht des Auflagekörpers mit den Baugruppen Deckel, Kern, Rahmen und Bodenplatte,
Fig. 3
eine isometrische und transparente Ansicht des Auflagekörpers mit Multi-Stab-Kern,
Fig. 4
eine isometrische Ansicht des Kerns mit stabförmigen Füßen,
Fig. 5
eine isometrische und transparente Ansicht des Auflagekörpers mit Steg-Loch-Kern und
Fig. 6
eine Explosionsansicht des Auflagekörpers mit den Baugruppen Deckel, Kern (Steg-Loch-Kern), und Bodenplatte.
Show it:
Fig. 1
an isometric view of the support body,
Fig. 2
an exploded view of the support body with the assemblies cover, core, frame and base plate,
Fig. 3
an isometric and transparent view of the support body with multi-rod core,
Fig. 4
an isometric view of the core with rod-shaped feet,
Fig. 5
an isometric and transparent view of the support body with web-hole core and
Fig. 6
an exploded view of the support body with the assemblies lid, core (bridge-hole core), and base plate.

In Fig. 1 ist der komplettierte Auflagekörper 1 mit den Baugruppen Deckel 2, Deckelrand 3 und Bodenplatte 4 gezeigt. Der Deckel 2 weist eine quaderförmige Kontur mit abgerundeten Kanten und einer Deckeloberseite O auf, die mit wellenartig angeordneten, parallel zueinander verlaufenden Rillen 5 versehen ist. Die Rillen 5 sorgen für einen Verzahnungseffekt zwischen Deckel 2 und Ladegut und führt somit zu einer besseren Haftung des Ladegutes, welches auf der Deckeloberseite O zu liegen kommt. Die Gefahr eines Verrutschens des Ladegutes während des Transportes wird somit reduziert.In Fig. 1 the completed support body 1 with the assemblies cover 2, cover edge 3 and base plate 4 is shown. The lid 2 has a cuboid contour with rounded edges and a lid top O, which is provided with corrugated grooves 5 running parallel to one another. The grooves 5 provide a toothing effect between the lid 2 and the load and thus leads to better adhesion of the load, which comes to rest on the lid top O. The risk of the load slipping during transport is thus reduced.

Der Werkstoff des Deckels 2 besteht aus Elastollan®, einem thermoplastischen Polyurethan-Elastomer (TPU). TPU zeichnet sich durch ein gutes Rückstellvermögen, Lichtechtheit und Kälteflexibilität aus. Bevorzugte Härten liegen zwischen 55 Shore A bis 74 Shore A.The material of the cover 2 is made of Elastollan®, a thermoplastic polyurethane elastomer (TPU). TPU is characterized by good resilience, lightfastness and cold flexibility. Preferred hardnesses are between 55 Shore A and 74 Shore A.

Bodenseitig läuft der Deckel 2 in einem flachen, umlaufenden Deckelrand 3 gleichmäßiger Breite b aus. Der Deckelrand 3 wird umfangsseitig von einem umlaufenden Rahmen 6 der Bodenplatte 4 umfasst und ist mit diesem thermisch verschweißt.On the bottom side, the lid 2 runs out in a flat, circumferential lid edge 3 of uniform width b. The peripheral edge of the lid 3 is encompassed by a peripheral frame 6 of the base plate 4 and is thermally welded to it.

In Fig.2 sind der innere Aufbau und die Komponenten des Auflagekörpers 1 in einer Explosionszeichnung verdeutlicht. Der Deckel 2 mit umlaufenden Deckelrand 3 an seinem bodenseitigen Ende sind in einem einstückigen Spritzgussteil hergestellt.In Fig.2 the inner structure and the components of the support body 1 are illustrated in an exploded view. The lid 2 with the peripheral lid edge 3 at its bottom end are made in a one-piece injection molded part.

Der hohle, quaderförmige Innenraum des Deckels 2 nimmt den in Fig. 1 nicht sichtbaren Kern 7 auf. Dieser setzt sich, wie weiter in Fig. 4 gezeigt, aus einer rechteckigen Gitterstruktur 8 und einer Vielzahl stabförmiger Füße 9 zusammen. Die äußeren Abmessungen - Breite und Länge - der Gitterstruktur 8 entsprechen im Wesentlichen dem rechteckigen Querschnitt des Innenraumes des Deckels 2. Die Füße 7 ragen senkrecht von der Ebene der Gitterstruktur 8 auf und fußen jeweils auf den Kreuzungen 10 der Gitterstruktur 8. Das freie Ende der Füße 9 ragt in Richtung der Bodenplatte 4, sodass, wie in Fig. 3 dargestellt, im komplettierten Zustand des Auflagekörpers 1 die Gitterstruktur 8 auf der Deckelinnenseite zum Liegen kommt, während die freien Ende der Füße 9 auf der Bodenplatte 4 deckelseitig aufsitzen. Hierzu weist die Bodenplatte 4 deckelseitig angeformte, schachbrettartig angeordnete, ringförmige Erhebungen 11 auf. In den kreisrunden Vertiefungen 12 der Erhebungen 11 ragt jeweils das freie Ende der Füße 9 und stützt sich darin ab.The hollow, cuboid interior of the cover 2 takes in Fig. 1 not visible core 7. This continues as in Fig. 4 shown, composed of a rectangular grid structure 8 and a plurality of rod-shaped feet 9. The external dimensions - width and length - of the lattice structure 8 essentially correspond to the rectangular cross section of the interior of the cover 2. The feet 7 protrude perpendicularly from the plane of the lattice structure 8 and are each based on the intersections 10 of the lattice structure 8. The free end of the Feet 9 protrudes towards the base plate 4, so that, as in Fig. 3 shown, in the completed state of the support body 1, the lattice structure 8 comes to rest on the inside of the lid, while the free ends of the feet 9 sit on the bottom plate 4 on the lid side. For this purpose, the base plate 4 has annular elevations 11 formed on the cover side and arranged in a checkerboard fashion. In the circular recesses 12 of the elevations 11, the free end of the feet 9 projects and is supported therein.

Die Verformbarkeit der Füße 9 bestimmt somit maßgeblich das Verformungsverhalten des Kernes 7 und somit des den Kern 7 umschließenden Deckels 2 bei Druckbelastung, welche sich durch das aufliegende Ladegut ergibt.The deformability of the feet 9 thus decisively determines the deformation behavior of the core 7 and thus of the cover 2 surrounding the core 7 when subjected to pressure which results from the load lying thereon.

Der Rahmen 6 weist einen L-förmigen Profil-Querschnitt auf und umfasst den umlaufenden Deckelrand 3 und den Rand 13 den Bodenplatte 4. Durch thermische Verschweißung von Deckelrand 3 mit Rahmen 6 und Rand 13 ergibt sich eine unlösbare, robuste Verbindung des Deckels 2 mit Rahmen 6 und Bodenplatte 4.The frame 6 has an L-shaped profile cross-section and comprises the circumferential lid edge 3 and the edge 13 the base plate 4. Thermal welding of the lid edge 3 to the frame 6 and edge 13 results in an inseparable, robust connection of the lid 2 to the frame 6 and base plate 4.

Eine weitere Ausführungsform des Kerns 7 ist in den Fig. 5 und 6 gezeigt. Der Kern 7 wird hier von einem quaderförmigen Block gebildet, der ebenfalls den Innenraum des Deckels 2 von dessen Deckelinnenseite bis zur Bodenplatte 4 weitgehend ausfüllt. Der Kern 7 ist von Reihen zylindrischer Bohrungen 14 durchsetzt, wobei die Bohrungen mit ihrer Achse vertikal zur Bodenplatte 4 ausgerichtet sind. Die Reihen der Bohrungen 14 sind mit Versatz zueinander angeordnet, sodass die Variation der Wandstärken im Kern 7 zwischen den Bohrungen 14 minimiert wird.Another embodiment of the core 7 is shown in FIGS Fig. 5 and 6 shown. The core 7 is formed here by a cuboid block, which likewise largely fills the interior of the cover 2 from the inside of the cover to the base plate 4. The core 7 is penetrated by rows of cylindrical bores 14, the bores being aligned with their axis vertically to the base plate 4. The rows of bores 14 are arranged offset from one another, so that the variation in the wall thicknesses in the core 7 between the bores 14 is minimized.

Auch hier lässt sich über eine Variation der Bohrungsdurchmesser und Anzahl der Bohrungen 14 das Verformungsverhalten des Kerns 7 adaptieren. Eine weitere Variation des Verformungsparameters bestimmt sich durch die Wahl des Kernmaterials. Vorliegend handelt es sich um einen Kunststoff, dessen Shore-Härte vom Deckelmaterial verschieden ist.Here too, the deformation behavior of the core 7 can be adapted by varying the bore diameter and the number of bores 14. A further variation of the deformation parameter is determined by the choice of the core material. This is a plastic, the Shore hardness of which is different from the lid material.

Die Bodenplatte 4 weist entsprechend den Bohrungen 14 angeordnete, flache zylindrische Erhebungen 11 auf, die jeweils zur Fixierung des Kerns 7 auf der Bodenplatte 4 in die Bohrungen 14 hineinragen.The base plate 4 has flat cylindrical elevations 11 which are arranged corresponding to the bores 14 and each protrude into the bores 14 for fixing the core 7 on the base plate 4.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Auflagekörpersupport body
22
Deckelcover
33
Deckelrandcover edge
44
Bodenplattebaseplate
55
Rillengrooves
66
Rahmenframe
77
Kerncore
88th
Gitterstrukturlattice structure
99
Fußfoot
1010
Kreuzungcrossing
1111
Erhebungsurvey
1212
Vertiefungdeepening
1313
Randedge
1414
Bohrungdrilling

Claims (14)

  1. Resilient support body (1) for receiving a load in a container, consisting of a load-side, tub-shaped cover (2), a core (7) which at least partially fills the interior of the cover (2), and a base plate (4) which closes the cover (2) together with the core (7), wherein
    • the cover (2) consists of an elastomer or rubber-elastic polymer,
    • the core (7) is made of a plastics material of which the Shore hardness is different from that of the cover material, and increases the compressive strength of the cover (2) and
    • the cover (2) is thermally welded to the base plate (4) or is molded therearound in a form-fitting or integrally bonded manner,
  2. Support body according to claim 1, characterized in that the polymer is a silicone, elastic polyurethane, TPU, silicone gel, polyurethane gel, latex, rubber, PVC or synthetic rubber.
  3. Support body according to claim 1, characterized in that the elastomer is a thermoplastic polyurethane elastomer.
  4. Support body according to any of the preceding claims, characterized in that the Shore hardness of the cover (2) is between 55 Shore A and 74 Shore A.
  5. Support body according to any of the preceding claims, characterized in that the base plate (4) consists of an elastomer or polymer.
  6. Support body according to any of the preceding claims, characterized in that the Shore hardness of the cover (2) is lower than that of the base plate (4).
  7. Support body according to any of the preceding claims, characterized in that the cover (2) for receiving the load comprises depressions (12') and/or elevations (11') over at least part of its surface,
  8. Support body according to any of the preceding claims, characterized in that the cover (2) has a cuboid or cube-shaped outline.
  9. Support body according to any of the preceding claims, characterized in that the cover (2) is provided with a cavity for receiving the core (7).
  10. Support body according to any of the preceding claims, characterized in that the cover (2) has a peripheral cover edge (3) which rests flat on the base plate (4).
  11. Support body according to any of the preceding claims, characterized in that the base plate (4) comprises depressions (12) and/or elevations (11) which interlock with corresponding elevations or depressions on the core (7).
  12. Support body according to any of the preceding claims, characterized in that the core (7) comprises a number of rod-shaped feet (9) which extend from the cover (2) to the base plate (4) in order to transmit compressive forces.
  13. Support body according to any of the preceding claims, characterized in that the core (7) is integrally bonded to the cover (2).
  14. Support body according to any of the preceding claims, characterized in that the base plate (4) and/or the core (7) consists of an elastomer or rubber-elastic polymer.
EP17020452.3A 2016-10-22 2017-10-03 Elastic support body Active EP3321209B1 (en)

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DE102016012636.1A DE102016012636A1 (en) 2016-10-22 2016-10-22 Formulaastic support body

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EP3321209A3 EP3321209A3 (en) 2019-01-02
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DE102018124440A1 (en) * 2018-10-03 2020-04-09 Willibald Hergeth Formula-elastic support body
CN111845896A (en) * 2020-08-03 2020-10-30 李艳艳 Material transfer mechanism of numerical control machine tool

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