WO2010012378A1 - Method for producing a single-piece pan, particularly for a motor vehicle - Google Patents

Method for producing a single-piece pan, particularly for a motor vehicle Download PDF

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Publication number
WO2010012378A1
WO2010012378A1 PCT/EP2009/005132 EP2009005132W WO2010012378A1 WO 2010012378 A1 WO2010012378 A1 WO 2010012378A1 EP 2009005132 W EP2009005132 W EP 2009005132W WO 2010012378 A1 WO2010012378 A1 WO 2010012378A1
Authority
WO
WIPO (PCT)
Prior art keywords
material web
pan
tub
trough
producing
Prior art date
Application number
PCT/EP2009/005132
Other languages
German (de)
French (fr)
Inventor
Josip Durmis
Norbert Wendland
Franz-Xaver Neumeier
Original Assignee
Bayerische Motoren Werke Aktiengesellschaft
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 Bayerische Motoren Werke Aktiengesellschaft filed Critical Bayerische Motoren Werke Aktiengesellschaft
Publication of WO2010012378A1 publication Critical patent/WO2010012378A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/18—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/52—Making hollow objects characterised by the use of the objects boxes, cigarette cases, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/087—Luggage compartments

Definitions

  • the invention relates to a method for producing a one-piece pan, esp. For a motor vehicle, wherein the outer region of the tub in the wet area and the interior of the tub in the dry area.
  • this luggage compartment tray was designed as rohbaufeste thermoforming tub, rohbaufeste multipart folding tub or bolted or glued in the assembly plastic tub.
  • the tub according to the invention is easier compared to a plastic tub and can be made easier. In addition, the crash properties are improved.
  • the tub is sealed from the outside with a lump, esp. From PVC.
  • a lump esp. From PVC.
  • the tub is spot welded according to a preferred embodiment.
  • the recesses introduced into the tub advantageously have a diameter of less than 2 mm, since recesses of up to this size can be sealed with a PVC coating. If the gaps resulting from the folding of the tub are also less than 2 mm wide, these gaps can also be sealed with a PVC coating.
  • Figure 1 shows a settlement of the finished tub
  • FIG. 2 shows a tray produced by the method according to the invention.
  • the outer region of the trough 1 lies in the wet area and the inner area of the trough 1 in the dry area, since space for a spare wheel, electronic components and / or the vehicle electrical system battery must be kept available indoors.
  • a two-dimensional material web 2 made of sheet metal, steel or the like is provided. From this material web 2 z. B. generates a shape by punching, which corresponds to a settlement of the finished tub 1. Simultaneously or subsequently also stampings 3, recesses 4, etc. can be generated in the web 2.
  • folds for the formation of lateral flanges 5 are produced on the flat material web 2. Thereafter, the material web 2 is folded in such a way that the trough 1 shown in Figure 2 is formed, wherein the trough 1 can be connected by cold joining process with itself, for example by clinching (clinching) or punch rivets. Subsequently, the tub 1 from the outside with a coat, esp. From PVC, sealed. It also column of the finished folded tub 1, which are smaller than 2 mm, sealed with.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The invention relates to a method for producing a single-piece pan, particularly for a motor vehicle, the outer region of the pan being located in the wet region and the inner region of the pan being located in the dry region, characterized by the following characteristics: (a) Providing a two-dimensional material web (2), (b) cutting the material web (2) such that a flat overall dimension of the finished pan (1) is obtained, (c) introducing all embossings (3), recesses (4) and the like into the material web (2), (d) creating chamfers on the flat material web for forming lateral flanges (5), (e) folding the flat material web (2) together to form the pan (1), wherein the pan (1) can be joined to itself by cold joining methods. The object of the invention is to provide a method with which a pan can be produced with simple means and which eliminates the disadvantages of known pans.

Description

Verfahren zum Herstellen einer einteiligen Wanne, insbes. für ein Kraftfahrzeug Method for producing a one-piece pan, esp. For a motor vehicle
Die Erfindung betrifft ein Verfahren zum Herstellen einer einteiligen Wanne, insbes. für ein Kraftfahrzeug, wobei der Außenbereich der Wanne im Nassbereich und der Innenbereich der Wanne im Trockenbereich liegt.The invention relates to a method for producing a one-piece pan, esp. For a motor vehicle, wherein the outer region of the tub in the wet area and the interior of the tub in the dry area.
Die meisten heutigen Fahrzeuge besitzen eine Gepäckraumwanne, die Platz für ein Reserverad, elektronische Komponenten und/oder die Bordnetzbatterie schaffen. In bisherigen Fahrzeugen wurde diese Gepäckraumwanne als rohbaufeste Tiefziehwanne, rohbaufeste mehrteilige Faltwanne oder in der Montage verschraubte bzw. verklebte Kunststoffwanne ausgeführt.Most of today's vehicles have a luggage compartment, which provide space for a spare wheel, electronic components and / or the electrical system battery. In previous vehicles, this luggage compartment tray was designed as rohbaufeste thermoforming tub, rohbaufeste multipart folding tub or bolted or glued in the assembly plastic tub.
Die bisher bekannten Wannen haben folgende Nachteile:The known tubs have the following disadvantages:
Bei einer tiefgezogenen Gepäckraumwanne ergeben sich Packagenachteile durch große Ziehradien sowie durch den Ziehwinkel. Kunststoffwannen haben hohe Kosten und schlechtere Crasheigenschaften als Gepäckraumwannen aus Stahl. Für die Herstellung von mehrteiligen Presswannen sind mehrere Presswerkzeuge notwendig, außerdem ist eine sehr aufwendige Spanntechnik im Karosseriebau erforderlich.In a deep-drawn luggage compartment tub package disadvantages result from large drawing radii and the drawing angle. Plastic trays have high costs and worse crash characteristics than steel luggage compartments. For the production of multi-part press tubs several pressing tools are necessary, also a very complex clamping technology in the body is required.
Es ist daher Aufgabe der vorliegenden Erfindung, ein Verfahren anzugeben, welches mit einfachen Mitteln die Herstellung einer Wanne ermöglicht, welche die Nachteile bekannter Wannen beseitigt.It is therefore an object of the present invention to provide a method which enables the production of a tub with simple means, which eliminates the disadvantages of known tubs.
Diese Aufgabe wird bei einem Verfahren zum Herstellen einer einteiligen Wanne, insbes. für ein Kraftfahrzeug, wobei der Außenbereich der Wanne im Nassbereich und der Innenbereich der Wanne im Trockenbereich liegt, durch folgende Schritte gelöst:This object is achieved in a method for producing a one-piece pan, esp. For a motor vehicle, wherein the outside of the tub in the wet area and the interior of the tub in the dry area, by the following steps:
(a) Bereitstellen einer zweidimensionalen Materialbahn, (b) Beschneiden der Materialbahn derart, dass eine flächige Abwicklung der fertigen Wanne entsteht,(a) providing a two-dimensional material web, (b) trimming the material web in such a way that a flat development of the finished tub is produced,
(c) Einbringen aller Verprägungen, Aussparungen usw. in die Materialbahn,(c) introducing all stampings, recesses, etc. into the material web,
(d) Herstellen von Abkantungen an der flächigen Materialbahn zur Bildung von seitlichen Flanschen,(d) producing bends on the flat material web to form lateral flanges,
(e) Zusammenfalten der flächigen Materialbahn zu der Wanne, wobei die Wanne durch kalte Fügeverfahren mit sich selbst verbunden werden kann.(e) folding the flat material web into the trough, wherein the trough can be connected to itself by cold joining methods.
Durch das erfindungsgemäße Verfahren lassen sich folgende Vorteile erzielen:By the method according to the invention, the following advantages can be achieved:
- Die erfindungsgemäße Wanne ist gegenüber einer Kunststoffwanne leichter und lässt sich einfacher herstellen. Außerdem werden die Crash- Eigenschaften verbessert.- The tub according to the invention is easier compared to a plastic tub and can be made easier. In addition, the crash properties are improved.
- Gegenüber einer mehrteiligen Wanne ergeben sich Einsparungen beim Presswerkzeug.- Compared to a multi-part tub resulting savings in the pressing tool.
- Infolge der Einteiligkeit sind weniger Abdichtungsarbeiten erforderlich als bei einer mehrteiligen Wanne.- Due to the one-piece less sealing work is required as a multi-part tub.
Die Unteransprüche beinhalten vorteilhafte Weiterbildungen und Ausgestaltungen der Erfindung.The dependent claims contain advantageous developments and refinements of the invention.
Gemäß einer vorteilhaften Weiterbildung wird die Wanne von außen mit einem Verstrich, insbes. aus PVC, abgedichtet. Dadurch kann die Dichtigkeit der Wanne sichergestellt werden.According to an advantageous embodiment, the tub is sealed from the outside with a lump, esp. From PVC. As a result, the tightness of the tub can be ensured.
Die Wanne ist nach einer bevorzugten Ausgestaltung in sich punktgeschweißt.The tub is spot welded according to a preferred embodiment.
Die in die Wanne eingebrachten Aussparungen haben vorteilhafterweise einen Durchmesser von kleiner als 2 mm, da sich Aussparungen bis zu dieser Größe mit einem PVC-Verstrich abdichten lassen. Wenn die sich beim Zusammenfalten der Wanne ergebenden Spalte ebenfalls kleiner als 2 mm breit sind, können auch diese Spalte mit einem PVC-Verstrich abgedichtet werden.The recesses introduced into the tub advantageously have a diameter of less than 2 mm, since recesses of up to this size can be sealed with a PVC coating. If the gaps resulting from the folding of the tub are also less than 2 mm wide, these gaps can also be sealed with a PVC coating.
Weitere Einzelheiten, Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung und den Figuren. Es zeigen:Further details, features and advantages of the invention will become apparent from the following description and the figures. Show it:
Figur 1 eine Abwicklung der fertigen Wanne, undFigure 1 shows a settlement of the finished tub, and
Figur 2 eine nach dem erfindungsgemäßen Verfahren hergestellte Wanne.FIG. 2 shows a tray produced by the method according to the invention.
Mit dem erfindungsgemäßen Verfahren kann eine Wanne 1 , insbes. für ein Kraftfahrzeug, hergestellt werden, die z. B. im Kofferraum einsetzbar ist. Dabei liegt der Außenbereich der Wanne 1 im Nassbereich und der Innenbereich der Wanne 1 im Trockenbereich, da im Innenbereich Platz für ein Reserverad, e- lektronische Komponenten und/oder die Bordnetzbatterie bereitgehalten werden muss.With the method according to the invention, a trough 1, esp. For a motor vehicle, are produced, the z. B. can be used in the trunk. In this case, the outer region of the trough 1 lies in the wet area and the inner area of the trough 1 in the dry area, since space for a spare wheel, electronic components and / or the vehicle electrical system battery must be kept available indoors.
Zur Herstellung der erfindungsgemäßen Wanne 1 wird zunächst eine zweidimensionale Materialbahn 2 aus Blech, Stahl o. dgl. bereitgestellt. Aus dieser Materialbahn 2 wird dann z. B. durch Stanzen eine Form erzeugt, welche einer Abwicklung der fertigen Wanne 1 entspricht. Gleichzeitig oder anschließend können auch Verprägungen 3, Aussparungen 4 usw. in der Materialbahn 2 erzeugt werden.To produce the trough 1 according to the invention, first of all a two-dimensional material web 2 made of sheet metal, steel or the like is provided. From this material web 2 z. B. generates a shape by punching, which corresponds to a settlement of the finished tub 1. Simultaneously or subsequently also stampings 3, recesses 4, etc. can be generated in the web 2.
Nach diesen Verfahrensschritten hat die später die fertige Wanne 1 bildende Materialbahn 2 die in Figur 1 dargestellte Form.After these process steps, the later the finished tub 1 forming material web 2 has the shape shown in Figure 1.
Nunmehr werden an der flächigen Materialbahn 2 Abkantungen zur Bildung von seitlichen Flanschen 5 hergestellt. Daraufhin wird die Materialbahn 2 derart zusammengefaltet, dass die in Figur 2 gezeigte Wanne 1 entsteht, wobei die Wanne 1 durch kalte Fügeverfahren mit sich selbst verbunden werden kann, z.B. durch Durchsetzfügen (Clinchen) oder Stanznieten. Anschließend wird die Wanne 1 von außen mit einem Verstrich, insbes. aus PVC, abgedichtet. Dabei werden auch Spalte der fertig zusammengefalteten Wanne 1 , die kleiner als 2 mm sind, mit abgedichtet.Now, folds for the formation of lateral flanges 5 are produced on the flat material web 2. Thereafter, the material web 2 is folded in such a way that the trough 1 shown in Figure 2 is formed, wherein the trough 1 can be connected by cold joining process with itself, for example by clinching (clinching) or punch rivets. Subsequently, the tub 1 from the outside with a coat, esp. From PVC, sealed. It also column of the finished folded tub 1, which are smaller than 2 mm, sealed with.
Die vorhergehende Beschreibung der vorliegenden Erfindung dient nur zu illustrativen Zwecken und nicht zum Zwecke der Beschränkung der Erfindung. Im Rahmen der Erfindung sind verschiedene Änderungen und Modifikationen möglich, ohne den Umfang der Erfindung sowie ihrer Äquivalente zu verlassen. The foregoing description of the present invention is for illustrative purposes only, and not for the purpose of limiting the invention. Various changes and modifications are possible within the scope of the invention without departing from the scope of the invention and its equivalents.
Bezugszeichenliste:LIST OF REFERENCE NUMBERS
1 Wanne Materialbahn Verprägungen Ausnehmungen Flansche 1 tub material web stamping recesses flanges

Claims

Patentansprüche: claims:
1. Verfahren zum Herstellen einer einteiligen Wanne, insbes. für ein Kraftfahrzeug, wobei der Außenbereich der Wanne im Nassbereich und der Innenbereich der Wanne im Trockenbereich liegt, gekennzeichnet durch folgende Merkmale:1. A method for producing a one-piece pan, esp. For a motor vehicle, wherein the outside of the tub in the wet area and the interior of the tub in the dry area, characterized by the following features:
(a) Bereitstellen einer zweidimensionalen Materialbahn (2),(a) providing a two-dimensional material web (2),
(b) Beschneiden der Materialbahn (2) derart, dass eine flächige Abwicklung der fertigen Wanne (1) entsteht,(b) trimming the material web (2) in such a way that a flat development of the finished trough (1) results,
(c) Einbringen aller Verprägungen (3), Aussparungen (4) usw. in die Materialbahn (2),(c) inserting all stampings (3), recesses (4), etc. in the material web (2),
(d) Herstellen von Abkantungen an der flächigen Materialbahn (2) zur Bildung von seitlichen Flanschen (5),(d) producing bends on the flat material web (2) to form lateral flanges (5),
(e) Zusammenfalten der flächigen Materialbahn (2) zu der Wanne (1), wobei die Wanne (1) durch kalte Fügeverfahren mit sich selbst verbunden werden kann.(E) folding the flat material web (2) to the trough (1), wherein the trough (1) can be connected to itself by cold joining methods.
2. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass die Wanne (1) von außen mit einem Verstrich, insbes. aus PVC, abgedichtet wird.2. The method according to claim 1, characterized in that the trough (1) from the outside with a coat, esp. From PVC, is sealed.
3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Wanne (1) in sich punktgeschweißt oder durch andere Fügeverfahren in sich verbunden werden kann.3. The method according to claim 1 or 2, characterized in that the trough (1) can be spot-welded or connected by other joining methods in itself.
4. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Spalte der fertig zusammengefalteten Wanne (1) kleiner als 2 mm breit sind. 4. The method according to any one of claims 1 to 3, characterized in that the column of the finished folded tub (1) are smaller than 2 mm wide.
PCT/EP2009/005132 2008-07-30 2009-07-15 Method for producing a single-piece pan, particularly for a motor vehicle WO2010012378A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810035555 DE102008035555A1 (en) 2008-07-30 2008-07-30 Method for producing a one-piece pan, esp. For a motor vehicle
DE102008035555.0 2008-07-30

Publications (1)

Publication Number Publication Date
WO2010012378A1 true WO2010012378A1 (en) 2010-02-04

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PCT/EP2009/005132 WO2010012378A1 (en) 2008-07-30 2009-07-15 Method for producing a single-piece pan, particularly for a motor vehicle

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WO (1) WO2010012378A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2990592B1 (en) * 2012-05-09 2014-05-16 Peugeot Citroen Automobiles Sa SUPPORT FOR A VEHICLE INVERTER WITH ELECTRICAL TRANSMISSION
JP5677683B2 (en) * 2012-11-12 2015-02-25 本田技研工業株式会社 Manufacturing method of mixer
FR3022476B1 (en) * 2014-06-19 2017-02-24 Peugeot Citroen Automobiles Sa METHOD OF FOLDING A STRUCTURE ELEMENT OF A VEHICLE AND CORRESPONDING STRUCTURE ELEMENT
DE102022107330A1 (en) 2022-03-29 2023-10-05 Bayerische Motoren Werke Aktiengesellschaft Container for a luggage compartment of a vehicle

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* Cited by examiner, † Cited by third party
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EP0631937A2 (en) * 1993-06-30 1995-01-04 Netherlands Car B.V. Box-shaped body and the construction of it
DE19948347A1 (en) * 1998-10-02 2000-04-20 Suzuki Motor Co Vehicle boot construction has storage box in spare tyre socket and removable by push-fit articulated points with insert part at front end of cover which forms part of luggage boot space
EP1612127A2 (en) * 2004-07-03 2006-01-04 Bayerische Motoren Werke Aktiengesellschaft Motor vehicle with a luggage compartment
US20060277965A1 (en) * 2000-08-17 2006-12-14 Industrial Origami, Llc Three-dimensional structure formed with precision fold technology and method of forming same
EP1733953A1 (en) * 2005-06-13 2006-12-20 GM Global Technology Operations, Inc. Modular arrangement defining a cavity in a motor vehicle
WO2007020319A1 (en) * 2005-08-15 2007-02-22 Ensto Control Oy A method for manufacturing enclosures of a sheet material and an enclosure of a sheet material
WO2008052174A2 (en) * 2006-10-26 2008-05-02 Industrial Origami, Inc. Forming three dimensional object

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DE29704646U1 (en) * 1997-03-14 1997-04-30 Jobst Lothar Lining of car trunks

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0631937A2 (en) * 1993-06-30 1995-01-04 Netherlands Car B.V. Box-shaped body and the construction of it
DE19948347A1 (en) * 1998-10-02 2000-04-20 Suzuki Motor Co Vehicle boot construction has storage box in spare tyre socket and removable by push-fit articulated points with insert part at front end of cover which forms part of luggage boot space
US20060277965A1 (en) * 2000-08-17 2006-12-14 Industrial Origami, Llc Three-dimensional structure formed with precision fold technology and method of forming same
EP1612127A2 (en) * 2004-07-03 2006-01-04 Bayerische Motoren Werke Aktiengesellschaft Motor vehicle with a luggage compartment
EP1733953A1 (en) * 2005-06-13 2006-12-20 GM Global Technology Operations, Inc. Modular arrangement defining a cavity in a motor vehicle
WO2007020319A1 (en) * 2005-08-15 2007-02-22 Ensto Control Oy A method for manufacturing enclosures of a sheet material and an enclosure of a sheet material
WO2008052174A2 (en) * 2006-10-26 2008-05-02 Industrial Origami, Inc. Forming three dimensional object

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