EP2570204B1 - Procédé et agencement destinés à chauffer une platine de métal - Google Patents

Procédé et agencement destinés à chauffer une platine de métal Download PDF

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Publication number
EP2570204B1
EP2570204B1 EP12181241.6A EP12181241A EP2570204B1 EP 2570204 B1 EP2570204 B1 EP 2570204B1 EP 12181241 A EP12181241 A EP 12181241A EP 2570204 B1 EP2570204 B1 EP 2570204B1
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EP
European Patent Office
Prior art keywords
receiving body
heating
metal plate
contact element
contact
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.)
Active
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EP12181241.6A
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German (de)
English (en)
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EP2570204A3 (fr
EP2570204A2 (fr
Inventor
Jochen Dörr
Jochem Grewe
Borek Dvorak
Radovan Kout
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.)
Benteler Automobiltechnik GmbH
Original Assignee
Benteler Automobiltechnik GmbH
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Publication of EP2570204A2 publication Critical patent/EP2570204A2/fr
Publication of EP2570204A3 publication Critical patent/EP2570204A3/fr
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B21D22/022—Stamping using rigid devices or tools by heating the blank or stamping associated with heat treatment
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/16—Heating or cooling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34—Methods of heating

Definitions

  • the invention relates to a method for heating a metal plate according to the features in the preamble of claim 1.
  • the invention is directed to an arrangement for heating a metal plate according to the features in the preamble of claim 8.
  • the DE 10 2009 031 449 A1 a support for a sheet to be formed on.
  • the carrier consists of a base plate made of an electrically non-conductive material.
  • On the support support elements are provided which serve to support and support the sheet.
  • the support elements can be adapted to different shaped areas of the sheet.
  • Induction coils are provided in at least some of the support elements through which solidified areas of the sheet can be inductively heated to the desired final temperature in a time less than 10 seconds. During the Heating the sheet is held by a fixing system, which can operate pneumatically or mechanically, on the carrier.
  • From the DE 10 2009 014 670 A1 shows an arrangement for heating a metal plate in a heating device, which has two mutually vertically relatively movable heating forms, which are adapted on the sides facing each other to the contour of the metal plate and can be pressed against the metal plate. Further, a lower heating mold is associated with a lower heating plate and an upper heating mold is associated with an upper heating plate.
  • the heating plates can be heated inductively.
  • a method and apparatus for heat treating an aluminum alloy member is described.
  • the aluminum alloy elements are heated in a heating device, which in an advantageous embodiment variant consists of heating plates and the heating plates are alternatively arranged in layers.
  • the heat treatment is composed essentially of a solution heat treatment, a subsequent quenching of the element in a quenching medium, and a final reheating of the quenched element in a preaging heat treatment, in which the aluminum alloy element is held tightly against a major surface of a heating plate.
  • the aluminum alloy element may be stretched, pressed or otherwise cold formed after the pre-aging treatment, optionally for relaxation or improvement of mechanical properties.
  • a steel sheet body to be heated is first brought into contact with at least a first and a second contact plate having at least one first and second surface portion.
  • the contact plates are such that they substantially correspond in area to the contour of the surface sections of the steel sheet body.
  • the US 2010/0192659 A1 show a method for forming a metal sheet at elevated temperature and the preheating of the same in a multi-stage preheater.
  • the process is suitable for the production of complex thermoformed components.
  • the metal sheet is first brought to the desired temperature in the multi-stage preheater. Subsequently, the metal sheet is formed in a forming tool. Alternatively, the deformed metal sheet can be cooled and subjected to further manufacturing steps.
  • the preheater has a lower and upper plate over which the metal sheet to be heated is heated.
  • the object of the invention is to provide both a method and an arrangement for heating a metal plate, which are more efficient and require less energy for the heating phases and the leakage currents.
  • a metal board to be heated consisting of an aluminum wrought alloy is now positioned between a lower contact element and an upper contact element, which are adapted on the mutually facing sides of the contour of the metal circuit board. That is, the metal plate may be flat or preformed. At least one contact element is formed of a highly thermally conductive material having a conductivity of at least 150W / mK. This contact element can be heated. After positioning the metal plate between the contact elements, these are moved against each other and pressed contour accurate to the metal plate. The contact pressure is important for the complete heating of the metal plate.
  • the metal plate is then heated between the contact elements to a temperature of 200 ° C to 450 ° C.
  • the duration of the heating is less than 60 s, preferably less than 20 s.
  • a heating time of less than 8 s is desired.
  • the two contact elements are integrated in a lower receiving body and in an upper receiving body.
  • both contact elements can be heated.
  • both contact elements made of a highly thermally conductive material with a conductivity of at least 150W / mK.
  • the heating of a contact element can be carried out electrically. But it is also conceivable a hydraulic heating of a contact element.
  • the heating temperature can be well above the target heating temperature for the metal plate.
  • the heating temperature can be detected, for example, by means of sensors resting against the metal plate and used for the precise control of the heating time.
  • At least the heatable contact element is thermally insulated from the environment.
  • the heat energy can thus be used more economically.
  • a lubricant is applied to the metal plate before or after the heating of the metal plate.
  • the application can be done for example by spraying. This advantageously takes place over the entire surface to ensure a uniform heat transfer from a heated contact element in the metal plate.
  • the heating device has a lower contact element and an upper contact element which can be moved relative thereto.
  • the contact elements integrated in each case in a lower receiving body and in an upper receiving body are adapted on the mutually facing sides to the contour of the respectively to be heated metal plate and pressed to the metal plate.
  • the metal plate can be completely flat or already preformed.
  • At least one of a highly thermally conductive material having a conductivity of at least 150W / mK existing contact element is provided with a heating unit.
  • the metal plate After the positioning of the metal plate between the initially spaced-apart contact elements they are pressed by means of the receiving body contours against the metal plate and this brought due to the heating of at least one contact element to the desired temperature range of 200 ° C to 450 ° C.
  • the heating can be due to the invention, depending on the thickness of the metal plate and the material (steel, light metal, especially aluminum) in the shortest possible time, preferably in a time of less than 20 s for a steel plate and less than 8 s for a light metal plate be performed.
  • the contact elements After heating the metal plate, the contact elements are moved apart by means of the receiving body and the heated metal plate for further processing, in particular a forming supplied.
  • both contact elements consist of a highly thermally conductive material having a conductivity of at least 150 W / mK, a heating unit is provided in each contact element.
  • the other contact element is made of a less conductive material, in particular an insulating material. This avoids that heat is dissipated via the non-heatable contact element from the metal plate into the adjacent components of the arrangement.
  • Another type of arrangement for heating a metal plate has a heating device with two vertically guided by a base frame, juxtaposed lower receiving bodies with integrated lower contact elements and a displaceable over the lower receiving body and lockable with these under pressure upper receiving body with an integrated contact element, of which at least one contact element is provided with a heating unit, wherein between the base frame and the lower receiving body Anpressmechanismen are incorporated.
  • the Anpressmechanismen between the base frame and the lower receiving bodies preferably consist of a pneumatically actuated pad assembly, which also acts after the collision of the two contact elements from below against the pressing force acting from above.
  • each of the upwardly open lower contact element is thus freed from the heated metal plate and equipped with a new cold metal plate, while between the adjacent other lower contact element and the overlying upper contact element, the heating of a metal plate is performed.
  • the displacement of the upper receiving body from one lower receiving body to the other lower receiving body can be translational or rotational.
  • appropriately designed transfer robots can be used.
  • the supply of a cold metal plate to the heater is thus always alternately from one end side and the discharge of a heated metal plate to the other end side.
  • a third type of arrangement according to the invention provides that the heater has two supported by a base frame and spaced from each other lower receiving body with integrated contact elements and two lying above the lower receiving bodies and lockable with these under pressure upper receiving body with integrated contact elements, wherein of the superimposed contact elements is at least one provided with a heating unit and incorporated between the base frame and the lower receiving body Anpressmechanismen.
  • a metal plate is in each case shifted from a transfer station in a preheating station, preheated here, then moved to the final reheating station and ultimately fed from this of the further processing.
  • the metal plate passes through the heating device translationally from one end face to the other end face. Also in this case transfer robots can be used to move the metal plate.
  • a fourth type of heater four arranged in 90 ° offset from each other rotatably movable lower receiving body with integrated contact elements are provided with two 180 ° offset from each other upper receiving bodies with integrated contact elements under Contact pressure can be coupled and locked, wherein at least one of the superposed contact elements is provided with a heating element and are incorporated between the base frame and the lower receiving body Anpressmechanismen.
  • the upper receiving body are coupled together via a rigid support arm and provided with the heating units. They are preferably not relocatable. The lower contact elements then remain unheated. In this way, a simpler implementation is achieved in practice.
  • the lower and upper receiving body with the integrated contact elements are removed from each other, the heated metal blanks ejected in opposite directions, the four lower receiving body displaced by 90 ° in the circumferential direction, then the empty lower contact elements newly equipped with cold metal blanks and the heating of the previously shifted to the empty lower contact elements metal plates between the lower and the upper contact elements performed.
  • the heated metal blanks for example, two different, in particular opposing forming stations (presses) can be supplied, which operate in the same cycle.
  • the lower and upper receiving bodies which are in each case lying one above the other, and thus indirectly also the lower and upper contact elements integrated therein, are placed under the influence of pressing and / or closing mechanisms.
  • This may be acting on both sides or only on one side of the receiving body action mechanisms.
  • These can be electrical, mechanical, hydraulic or pneumatic.
  • the contact pressure of the receiving body and thus of the contact elements on the particular metal plate to be heated must ensure that a complete form-fit / surface contact is ensured, which is maintained over the entire heating time of the metal plate.
  • the respective closure mechanism ensures very short closure and opening times. For this purpose, short closing paths and fast drives are realized, which can be pneumatically, mechanically and possibly also biased.
  • the control of the heating of a metal plate is done primarily by means of the control of the shutter duration. But it can also be done for accurate control in addition with Aushebe- / Absenk://en- / bolts (Aushebeiata) for the metal plate in the lower contact elements.
  • Aushebe- / Absenk://en- / bolts Aushebeiata
  • By pins / bolts a heated metal plate is lifted after removal of the upper contact element or receiving body from the lower contact element and thus separated from the heat energy source. This can be done simultaneously or with a time delay, resulting in a certain possibility of fine control of the heating.
  • the heating time is the time bottleneck in the production line, it may also be conceivable to measure the heat distribution by means of a thermal camera during the transfer to a forming press just in time and then the heating time of the next metal plate or the release delay by the pins / bolts correct.
  • the contact elements can be made of aluminum profiles.
  • the contact elements are formed from profiles which consist of an alternative to an aluminum alloy material comparable thermal conductivity.
  • the environment of the contact elements should not be heated.
  • the contact elements may be coated on the sides adapted to the metal circuit board. At least between a heatable contact element and its associated receiving body thermal insulation is provided, which may for example consist of an insulating plate.
  • At least the receiving element which accommodates a heatable contact element is cooled.
  • an inductor for heating a contact element, an inductor, in particular in the form of an encapsulated induction coil, may be provided.
  • At least one formed in a heatable contact element channel for guiding a heating fluid is also conceivable, however, at least one formed in a heatable contact element channel for guiding a heating fluid.
  • FIG. 1 1 denotes a heating device for heating a metal plate 2, in particular light metal.
  • the heating device 1 has a arranged on an unspecified base 3 lower receiving body 4 made of steel or aluminum profiles.
  • the lower receiving body 4 carries a heatable lower contact element 5 made of a highly thermally conductive material having a conductivity of at least 150W / mK. This material is in particular an aluminum alloy.
  • a heating unit 6 located in the lower contact element 5 can be designed as an inductor, in particular as an encapsulated induction coil, or as a channel arrangement for guiding a heating fluid.
  • an upper receiving body 8 which also consists of steel or aluminum profiles.
  • steel profiles results in a lower inertial mass, which has its advantages in lightweight, preferably in small series use.
  • upper contact element 9 In the upper receiving body 8 a heatable in the embodiment upper contact element 9 is integrated, which is thermally separated from the upper receiving body 8 by a thermal insulation 10.
  • a heating unit 11 located in the upper contact element 9 can be designed as an inductor, in particular as an encapsulated induction coil, or as a channel arrangement for guiding a heating fluid.
  • the contact elements 5, 9 are coated on the mutually facing sides 12. These sides 12 are adapted to the contour of the metal plate 2, which is to be heated between the two contact elements 5, 9 to a temperature between 200 ° C to 450 ° C. This may be a flat metal plate 2 or even a preformed metal plate 2.
  • the upper receiving body 8 is displaced by non-illustrated pressing and locking mechanisms 13 in the direction of the arrow PF to the lower receiving body 4 out when there is a metal plate 2 between the two contact elements 5, 9.
  • the time of heating is preferably less than 8 s for a metal plate 2 made of light metal. In a metal plate 2 made of steel, the period of heating is less than 20 s, in each case depending on the thickness of the metal plate. 2
  • a metal plate 2 with raised upper receiving body 8 (situation according to FIG. 1 ) is introduced into the heating device 1 in the direction of the arrow PF1 and placed on the lower contact element 5 located in the lower receiving body 4. Subsequently, after moving together and locking the two receiving body 4, 8, the metal plate 2 is heated in a single heating phase between the lower contact element 5 and the upper contact element 9. After starting up the upper receiving body 8, the heated metal plate 2 is removed in the direction of the arrow PF2 from the heater 1 and the further processing, in particular a forming, fed.
  • grippers not illustrated in further detail for example in the form of transfer robots, can be used.
  • FIGS. 2 and 3 show a variant of a heating device 1a for heating a metal plate 2 with two vertically guided by a base frame 14, juxtaposed lower receiving bodies 4a, 4b integrated therein heated lower contact elements 5.
  • the heating units in the lower contact elements 5 are again denoted by 6.
  • the lower receiving body 4a, 4b rest on pneumatically actuated bellows 15 and are also limited in the base frame 14 via guides 16 vertically displaceable.
  • FIG. 2 and 3 an upper receiving body 8a with a heatable upper contact element 9 integrated therein.
  • the heating unit in the upper contact element 9 is designated by 11.
  • Pressing and locking mechanisms are omitted in this embodiment to maintain the drawing clarity.
  • the lower accommodating body 4b is lowered, and the upper accommodating body 8a is raised.
  • the upper receiving body 8a is displaced either translationally according to the arrow PF5 or about a vertical axis 18 above the lower receiving body 4a with the cold metal plate 2 located therein ( FIG. 3 ).
  • the upper receiving body 8a and the lower receiving body 4a are moved towards one another by the provided pressing mechanisms 13, 15, then locked and then the metal plate 2 is heated under contact pressure between the contact elements 5, 9.
  • the heated metal plate 2 is removed from the heater 1a in the direction of the arrow PF4 and supplied for further processing.
  • the lower contact element 5 can be fitted in the lower receiving body 4b against the direction of the arrow PF4 with a new cold metal plate 2, so that the above-described heating process subsequently under translational displacement of the upper receiving body 8a according to the arrow PF5 or rotationally about the axis 18 can be repeated.
  • the metal plates 2 are each heated in a single heating phase between the contact elements 5.9.
  • the displacement of the cold and heated metal plates 2 can be done with the help of at least one transfer robot, not shown.
  • pin-like lifting elements 22 can be seen, which are vertically displaceable.
  • the lifting elements 22 contact punctually a metal plate 2.
  • a fine control of the heating of the metal plate 2 can be realized if necessary in addition. This is done in particular by a delayed displacement of the metal plate 2 contacting Aushebeimplantation 22 upwards when the successive positioned contact elements 5, 9 have been lifted from each other.
  • a horizontal rack 23 and a drive unit 24 in the form of, for example, a servomotor can be seen in the basic illustration, whereby the upper receiving body 8a from the position according to FIG. 2 in the one according to FIG. 3 and vice versa can be relocated.
  • a drag chain 25 includes various connection lines for power and / or heating media and / or cooling and at the same time protects against mechanical damage in the horizontal displacement of the receiving body 8a.
  • the procedure is then such that one introduced between the contact elements 5, 9 of the lower receiving body 4a and the other upper receiving body 8b according to the arrow PF6, for example with a transfer robot
  • Metal board 2 is first preheated and then brought between the contact elements 5.9 of the second lower receiving body 4b and the upper receiving body 8a to the final temperature.
  • a transfer robot can be used.
  • the at least temporarily interconnected via a support arm 19 upper receiving body 8a, 8b and the incorporated therein upper contact elements 9 may be provided, if necessary, with suction means not shown.
  • suction means not shown.
  • the preheated metal boards 2 are lifted from the lower contact element 5 in the lower receiving body 4b and then placed on the lower contact element 5 in the lower receiving body 4b. Due to this process step, a new cold metal plate 2 according to the arrow PF6 supplied to the lower contact element 5 in the lower receiving body 4a and a heated to the final temperature metal plate 2 are supplied from the lower contact element 5 of the receiving body 4b according to the arrow PF7 further processing.
  • the heating device 1c as shown in the FIG. 5 corresponds largely to that of the type of Figures 2 and 3 , however, an upper receiving body 8a, 8b with an integrated upper contact element 9 is now provided above each lower receiving body 4a, 4b with an integrated lower contact element 5, which are interconnected by a rigid support arm 20 and via pressing elements 13 according to FIG FIG. 1 at the same time in the direction of the lower receiving body 4a, 4b are displaced.
  • the heating units 6, 11 in the contact elements 5, 9 are not illustrated in detail.
  • two cold metal blanks 2 can therefore be placed on the lower contact elements 5 in the lower receiving bodies 4a, 4b from two sides according to the arrows PF8 on raised upper receiving bodies 8a, 8b and after the lower contact elements 5 and the upper contact elements 9 move together subsequently heated in a single heating phase.
  • the heated metal plates 2 After opening the heating device 1c by moving apart of the receiving body 4a, 4b, 8a, 8b, the heated metal plates 2 each on the same page again ejected according to the arrows PF9 and supplied for further processing.
  • the displacement of the metal plates 2 is advantageously carried out by means of at least one transfer robot, which is not illustrated in detail.
  • the heater 1d according to FIG. 6 provides four arranged in 90 ° offset to each other lower receiving body 4a to 4d with integrated lower contact elements 5, which are coupled to two 180 ° offset from each other and lockable with these upper receiving bodies 8a, 8b with integrated upper contact elements 9.
  • the heating units 6, 11 in the contact elements 5, 9 are not illustrated in detail.
  • the receiving body 8a, 8b are interconnected by a rigid support arm 21 and under the influence of pressing and locking elements 13 according to FIG. 1 posed.
  • the lower receiving bodies 4a to 4d are rotatable according to the arrows PF11.
  • Cold metal blanks 2 are first displaced according to the arrows PF 10 onto the opposing lower contact elements 5 of the lower receiving bodies 4a, 4b. During this time, two other metal plates 2 are heated between the lower contact elements 5 of the lower receiving bodies 4c, 4d and the upper contact elements 9 of the upper receiving bodies 8a, 8b in a single heating phase. Subsequently, after the lower and upper receiving bodies 4c, 4d, 8a, 8b have moved apart, the heated metal plates 2 are ejected from the heating device 1d according to the arrow PF12 and forwarded for further processing.

Claims (27)

  1. Procédé de chauffage d'une plaque métallique (2) en un alliage corroyé d'aluminium dans un dispositif de chauffage (1, 1a à 1d), selon lequel le dispositif de chauffage (1, 1a à 1d) est muni d'au moins un élément de contact inférieur (5) et d'au moins un élément de contact supérieur (9) et 1a plaque métallique (2) est chauffée dans au moins une phase de chauffage à une température de 200 °C à 450°C entre les éléments de contact (5, 9) adaptés à son contour par l'amenée d'énergie de chauffage à au moins un élément de contact (5, 9) constitué d'un matériau très bon conducteur de chaleur avec une conductibilité d'au moins 150 W/mK ainsi que sous pression de serrage pendant un intervalle de temps de moins de 120 s, selon lequel l'élément de contact inférieur (5) est intégré dans un corps de logement inférieur (4, 4a à 4d) et l'élément de contact supérieur (9) est intégré dans un corps de logement supérieur (8, 8a, 8b), caractérisé en ce que le corps de logement inférieur (4, 4a à 4d) est guidé verticalement par un bâti de base (14), un agencement de coussins qui peut être alimenté de façon pneumatique étant agencé entre le bâti de base (14) et le corps de logement inférieur (4, 4a à 4d), agencement de coussins par lequel, après le rapprochement des éléments de contact (5, 9), une force de serrage supplémentaire est appliquée et la plaque métallique (2) est chauffée sous pression de serrage entre les éléments de contact (5, 9).
  2. Procédé selon la revendication 1, caractérisé en ce que les deux éléments de chauffage (5, 9) sont chauffés.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le chauffage d'un élément de contact (5, 9) est effectué électriquement.
  4. Procédé selon la revendication 1 ou 2, caractérisé en ce que le chauffage d'un élément de contact (5, 9) est effectué de façon hydraulique.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'au moins un élément de contact (5, 9) pouvant être chauffé est isolé thermiquement par rapport à l'environnement.
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que, avant ou après le chauffage de la plaque métallique (2), un lubrifiant est appliqué sur la plaque métallique (2).
  7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le corps de logement supérieur (8a) est soulevé et est déplacé en translation ou en rotation autour d'un axe vertical (18) au-dessus du corps de logement inférieur (4, 4a à 4d).
  8. Agencement pour chauffer une plaque métallique (2) dans un dispositif de chauffage (1, 1a, 1b, 1c), qui comporte deux éléments de contact (5, 9) qui peuvent être déplacés verticalement l'un par rapport à l'autre, dont les côtés (12) proches l'un de l'autre sont adaptés au contour de la plaque métallique (2) et qui peuvent être serrés contre la plaque métallique (2), dans lequel un élément de contact inférieur (5) est associé à un corps de logement inférieur (4, 4a à 4d) et un élément de contact supérieur (9) est associé à un corps de logement supérieur (8, 8a, 8b), caractérisé en ce que les éléments de contact (5, 9) sont intégrés dans les corps de logement (4, 4a à 4d, 8, 8a, 8b) et une unité de chauffage (6, 11) est prévue dans au moins un élément de contact (5, 9) constitué d'un matériau très bon conducteur de chaleur avec une conductibilité d'au moins 150W/mK, dans lequel l'au moins un corps de logement inférieur (4, 4a à 4d) est guidé verticalement par un bâti de base (14) et peut être verrouillé avec l'au moins un corps de logement supérieur (8, 8a, 8b) sous pression de serrage, des mécanismes de serrage (15) étant insérés entre le bâti de base (14) et l'au moins un corps de logement inférieur (4, 4a à 4d).
  9. Agencement selon la revendication 8, caractérisé en ce que le dispositif de chauffage (1) comporte deux éléments de contact (5, 9) qui peuvent être déplacés verticalement l'un par rapport à l'autre, qui sont en un matériau très bon conducteur de chaleur avec une conductibilité d'au moins 150W/mK et dans lesquels une unité de chauffage (6, 11) est intégrée à chaque fois.
  10. Agencement selon la revendication 8, caractérisé en ce que le dispositif de chauffage (1) comporte un élément de contact (5, 9), qui est en un matériau très bon conducteur de chaleur avec une conductibilité d'au moins 150 W/mK et dans lequel une unité de chauffage (6, 11) est intégrée, et un autre élément de contact (9, 5) non chauffé qui est en un matériau moins conducteur de chaleur.
  11. Agencement selon la revendication 10, caractérisé en ce que l'élément de contact (5, 9) non chauffé est formé d'un matériau isolant.
  12. Agencement pour chauffer une plaque métallique (2) dans un dispositif de chauffage (1a) selon la revendication 8, caractérisé en ce que le dispositif de chauffage (1a) comporte deux corps de logement inférieurs (4a, 4b), portés de manière guidée verticalement par un bâti de base (14) et agencés l'un à côté de l'autre, et un corps de logement supérieur (8a) déplaçable au-dessus des corps de logement inférieurs (4a, 4b).
  13. Agencement pour chauffer une plaque métallique (2) dans un dispositif de chauffage (1b, 1c) selon la revendication 8, caractérisé en ce que le dispositif de chauffage (1b, 1c) comporte deux corps de logement inférieurs (4a, 4b), portés par un bâti de base (14) et agencés à une certaine distance l'un de l'autre, ainsi que deux corps de logement supérieurs (8a, 8b), placés au-dessus des corps de logement inférieurs (4a, 4b) et verrouillables avec ceux-ci sous pression de serrage.
  14. Agencement pour chauffer une plaque métallique (2) dans un dispositif de chauffage (1d) selon la revendication 8, caractérisé en ce que le dispositif de chauffage (1d) comporte quatre corps de logement inférieurs (4a à 4d), qui sont agencés avec un décalage de 90° les uns par rapport aux autres, qui sont déplaçables en rotation et qui peuvent être couplés et verrouillés avec deux corps de logement supérieurs (8a, 8b), décalés de 180° l'un par rapport à l'autre, sous pression de serrage.
  15. Agencement selon l'une quelconque des revendications 8 à 14, caractérisé en ce que les corps de logement (4, 4a à 4d, 8, 8a, 8b) placés respectivement les uns au-dessus des autres sont mis sous l'influence de groupes de serrage et/ou de fermeture (13).
  16. Agencement selon l'une quelconque des revendications 8 à 15, caractérisé en ce que des moyens destinés à fixer au moins temporairement une plaque métallique (2) sont prévus au niveau d'un élément de contact supérieur ou inférieur (9, 5) ou au niveau des corps de logement inférieurs ou supérieurs (4, 4a à 4d, 8a, 8b).
  17. Agencement selon l'une quelconque des revendications 8 à 16, caractérisé en ce que les éléments de contact (5, 9) sont en un alliage d'aluminium.
  18. Agencement selon l'une quelconque des revendications 8 à 16, caractérisé en ce que les éléments de contact (5) sont en un matériau différent d'un alliage d'aluminium mais présentant une conductibilité thermique comparable.
  19. Agencement selon l'une quelconque des revendications 8 à 18, caractérisé en ce qu'au moins chaque élément de contact (5, 9) pouvant être chauffé est isolé thermiquement par rapport à l'environnement.
  20. Agencement selon l'une quelconque des revendications 8 à 19, caractérisé en ce que les éléments de contact (5, 9) sont revêtus des deux côtés (12) adaptés à une plaque métallique (2).
  21. Agencement selon l'une quelconque des revendications 8 à 20, caractérisé en ce qu'un isolant thermique (10, 17) est prévu au moins entre chaque élément de contact (5, 9) pouvant être chauffé et le corps de logement (4, 4a à 4d, 8, 8a, 8b) qui lui est associé.
  22. Agencement selon l'une quelconque des revendications 8 à 21, caractérisé en ce qu'au moins le un corps de logement (4, 4a à 4d, 8, 8a, 8b) logeant un élément de contact (5, 9) pouvant être chauffé est refroidi.
  23. Agencement selon l'une quelconque des revendications 8 à 22, caractérisé en ce qu'une unité de chauffage (6, 11) sous forme d'inducteur est prévue dans un élément de contact (5, 9) pouvant être chauffé.
  24. Agencement selon la revendication 23, caractérisé en ce que l'unité de chauffage (6, 11) est réalisée comme une bobine d'induction enfermée.
  25. Agencement selon l'une quelconque des revendications 8 à 22, caractérisé en ce qu'une unité de chauffage (6, 11) sous la forme d'un canal guidant un fluide chauffant est prévue dans un élément de contact (5) pouvant être chauffé.
  26. Agencement selon l'une quelconque des revendications 8 à 25, caractérisé en ce que des mécanismes de serrage (15) sont réalisés entre le bâti de base (14) et au moins un des corps de logement inférieurs (4, 4a à 4d) à partir d'un agencement de coussins pouvant être alimenté de façon pneumatique et, après le rapprochement des deux éléments de contact (5, 9), ils agissent en plus d'en bas contre la force de serrage agissant d'en haut.
  27. Agencement selon l'une quelconque des revendications 8 à 26, qui comporte un corps de logement supérieur (8a) et deux corps de logement inférieurs (4a, 4b), caractérisé en ce que le corps de logement supérieur (8a) est déplaçable en translation par rapport aux corps de logement inférieurs (4a, 4b) ou en rotation par l'intermédiaire d'un axe vertical (18) au-dessus des corps de logement inférieurs (4a, 4b).
EP12181241.6A 2011-09-16 2012-08-21 Procédé et agencement destinés à chauffer une platine de métal Active EP2570204B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011053672.8A DE102011053672B4 (de) 2011-09-16 2011-09-16 Verfahren und Anordnung zum Erwärmen einer Metallplatine

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EP2570204A2 EP2570204A2 (fr) 2013-03-20
EP2570204A3 EP2570204A3 (fr) 2013-12-25
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DE102014110415B4 (de) 2014-07-23 2016-10-20 Voestalpine Stahl Gmbh Verfahren zum Aufheizen von Stahlblechen und Vorrichtung zur Durchführung des Verfahrens
DE102015113407B4 (de) * 2015-08-13 2018-01-11 Ebner Industrieofenbau Gmbh Ofenvorrichtung zum Wärmebehandeln einer Metallplatine
DE102015016961A1 (de) 2015-12-24 2016-06-09 Daimler Ag Verfahren und Vorrichtung zum Erwärmen von Blechen und Kraftfahrzeug
DE102017101203B4 (de) 2017-01-23 2022-05-25 Benteler Maschinenbau Gmbh Arbeitszelle für einen Fertigungsroboter

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Publication number Publication date
EP2570204A3 (fr) 2013-12-25
EP2570204A2 (fr) 2013-03-20
US20130068756A1 (en) 2013-03-21
DE102011053672A1 (de) 2013-03-21
DE102011053672B4 (de) 2017-08-10

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