EP3187599B1 - Station de régulation de température. - Google Patents

Station de régulation de température. Download PDF

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Publication number
EP3187599B1
EP3187599B1 EP16203792.3A EP16203792A EP3187599B1 EP 3187599 B1 EP3187599 B1 EP 3187599B1 EP 16203792 A EP16203792 A EP 16203792A EP 3187599 B1 EP3187599 B1 EP 3187599B1
Authority
EP
European Patent Office
Prior art keywords
contact
contact plate
heating
board
temperature adjustment
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
Application number
EP16203792.3A
Other languages
German (de)
English (en)
Other versions
EP3187599A1 (fr
Inventor
Georg Frost
Martin Hesselmann
Markus Kettler
Max Niesse
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
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 Benteler Automobiltechnik GmbH filed Critical Benteler Automobiltechnik GmbH
Publication of EP3187599A1 publication Critical patent/EP3187599A1/fr
Application granted granted Critical
Publication of EP3187599B1 publication Critical patent/EP3187599B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D11/00—Arrangement of elements for electric heating in or on furnaces
    • F27D11/02—Ohmic resistance heating
    • 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
    • B21D22/20—Deep-drawing
    • B21D22/208—Deep-drawing by heating the blank or deep-drawing 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
    • 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
    • C21D1/62—Quenching devices
    • C21D1/673—Quenching devices for die quenching
    • 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
    • C21D11/00—Process control or regulation for heat treatments
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D11/00—Arrangement of elements for electric heating in or on furnaces
    • F27D11/06—Induction heating, i.e. in which the material being heated, or its container or elements embodied therein, form the secondary of a transformer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • 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
    • C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0028—Regulation
    • F27D2019/0034—Regulation through control of a heating quantity such as fuel, oxidant or intensity of current

Definitions

  • the present invention relates to a tempering station having the features in the preamble of claim 1.
  • the board After heating, the board is thermoformed and then cured by rapid cooling.
  • Object of the present invention is therefore to improve the possibilities of contact heating of a board.
  • the temperature control station for contact heating of a circuit board is used to heat it to a temperature above room temperature.
  • the target temperature of the board is more than 500 ° C, most preferably more than Austenitmaschinestemperatur thus more than 700 ° C, in particular more than 900 ° C.
  • the board can be partially heated, but preferably also completely.
  • the temperature control station has an upper tool and a lower tool, wherein a contact plate for contact heating is provided at least on the upper tool and / or on the lower tool.
  • a contact pressure is exerted on the board to be tempered or to be heated when the temperature control station is closed.
  • this is closed Temperierstation exerted contact pressure now adjustable or controllable.
  • the heating board can slide past due to low friction on the contact plate, but at the same time the contact pressure is adjusted or controlled so that a sufficient heat conduction from contact plate to board.
  • a circuit board which has been heated free of stress can be heated in a short cycle time in a process-economical manner, whereby the wear of the contact plate as a result of thermal expansion of the circuit board is simultaneously minimized in mass production.
  • the at least one contact plate is preferably formed as an elongated contact plate. This means for the purposes of the invention that this has at least one length which corresponds to twice the width. However, it is also possible, for example, to arrange a plurality of contact plates next to one another on a tool, preferably two or three elongate contact plates are arranged parallel next to one another.
  • the contact pressure exerted on the board to be tempered with the tempering station closed is determined in particular as a function of the contact area between the contact plate and the board and / or the cross-sectional area of the contact plate and / or the yield strength Rp 0.2 (from the contact plate) and / or Actual temperature (the contact plate) and / or the coefficient of adhesion (coefficient of friction) between contact plate and board regulated or controlled.
  • the contact pressure is regulated or controlled as a function of the following formula: p ⁇ R p 0.2 T * A Q plate A K circuit board * ⁇
  • the contact pressure can also be calculated and then the tempering be adjusted so that the calculated contact pressure is applied.
  • sensors may also be provided in the temperature control station and then the previously calculated contact pressure during the heating process are controlled.
  • the contact pressure is preferably greater than zero.
  • temper uncoated boards in particular from a steel alloy, for example a boron-manganese steel. Tempering means for the purposes of this invention significantly heating. However, it is also possible for areas to be cooled simultaneously or kept at a temperature, whereas adjacent areas are heated. However, it is also possible with the invention to temper coated circuit boards, for example with an anti-corrosion coating, in particular an aluminum-silicon coating.
  • the heating of the at least one contact plate takes place in particular with one of the following heating sources.
  • inductive heating so that by using an inductor, the contact plate is inductively heated and then in turn heated by heat conduction of the board.
  • the contact plate can be heated by means of a burner heating.
  • the contact plate is heated by a burner and thus heats the board by heat conduction.
  • resistance heating it is either provided that the contact plate itself is designed as an electrical resistance and heats itself when exposed to a voltage.
  • an indirect or indirect resistance heating can be carried out so that heating conductors or heating cartridges are heated due to their electrical resistance and these heat the contact plate.
  • the heating of the board is again by heat conduction from the contact plate to the board.
  • the contact plate itself is coupled via at least one movable bearing with the upper tool.
  • this is also coupled via at least one movable bearing with the lower tool.
  • An expansion of the contact plate as a result of heating this itself can thus be compensated by the floating bearing. A curvature of the contact plate is thereby avoided.
  • Either the main drive of the temperature control is used only to carry out the closing movement or opening movement of the temperature control. It can also be changed in the closed state of the pressure exerted on the board contact pressure on the main drive.
  • additional actuators or control units can be provided which change the contact pressure exerted on the circuit board when the temperature control station is closed.
  • the temperature control is initially closed with inserted board.
  • the setting as well as the regulation and / or control of the contact pressure then takes place via the actuators.
  • These can be operated in particular pneumatically, electrically or hydraulically.
  • the contact pressure in two at least locally adjacent regions is adjustable differently from one another.
  • the contact pressure is preferably different regions controllable or controllable. If, for example, a board is not heated at certain areas or at a lower temperature than an adjacent area of the board, the contact pressure can preferably be set differently from one another in both areas that are different from one another.
  • different contact plates are then provided from each other, so that preferably for each contact plate individually the contact pressure can be controlled or controlled.
  • the contact pressure on a contact plate can be partially set different from each other, or it can be used a plurality of contact plates, which are adapted to a different contact pressure.
  • FIG. 1 Further, a contact plate 4 is provided on the upper tool 2 and shown here in the lower tool 3 an insulating 5. It can, however, both the upper tool 2 and the lower tool 3 contact plates 4 to be arranged or on the lower tool 3, a contact plate 4 and on an upper tool 2 an insulating plate. 5
  • upper tool 2 and lower tool 3 each still have a base plate 6, wherein the contact plate 4 and insulating plate 5 is fixed to the base plate 6.
  • the contact plates 4 or insulating plates 5 can be exchangeably coupled, in particular releasably coupled, so that an easy conversion to different board sizes to be heated is possible. Inserted in between is a board to be heated. 7
  • FIG. 2 is that out FIG. 1 shown tempering 1 closed.
  • the closing movement is carried out by the lower tool 3.
  • actuators 8 are provided, which raise the base plate 6 and the insulating plate 5 in this case.
  • the board 7 is thus substantially full surface with its top 9 on the contact plate 4 and with its bottom 10 on the insulating plate 5 at. there is applied between the contact surface 11 of the contact plate 4 and the contact surface 12 of the insulating plate 5 and the respective top 9 and the bottom 10 of the board 7, a contact pressure p.
  • the contact pressure p is the same everywhere.
  • the contact pressure p can be different in regions, in particular in the case of two contact plates 4 and / or insulating plates 5, which are separate from one another and are arranged next to one another in the vertical direction.
  • the contact pressure p is regulated or controlled in the closed state via the actuators 8, so that an optimum contact pressure p is applied depending on the temperature, and in particular a lengthwise extension of the circuit board 7 in the longitudinal direction L does not cause a longitudinal expansion of the contact plate 4 and / or Insulating plate 5 leads.
  • the board 7 can thus perform a relative movement to the contact plate 4 due to thermal expansion in the longitudinal direction L.
  • FIG. 3a to d show four different design variants of contact plates 4, 4a, 4b.
  • FIGS. A, b and c each show a board 7 as a board blank, so that the area A7 of the board 7 is smaller than the area A4 of the contact plate 4, 4a, 4b.
  • the design variant according to FIG. 3a shows a contact plate 4, which has a corresponding area A4 of the contact plate 4. In particular, the length L4 of the contact plate 4 is greater than the width B4 of the contact plate.
  • two contact plates 4a and 4b are provided. These each also have an area A4a or A4b.
  • Figure 3c are also two contact plates 4a and 4b provided.
  • a respective length extension of the board 7 in the longitudinal direction L is compensated according to the invention such that it performs a relative movement in the longitudinal direction L to the contact plate 4 / the contact plates 4a, 4b. Also, in all embodiments mentioned in this document, a relative movement in the transverse direction Q take place.
  • a contact plate 4 is shown, on which two boards 7a and 7b rest simultaneously. These have an area A7a and A7b.
  • Such boards 7a, 7b are used in particular for the production of door impact beams.
  • two boards 7a, 7b can be tempered simultaneously in the tempering station according to the invention.
  • the contact plate is formed of two contact plates 4a and 4b as resistance heating, so that a voltage can be applied via the connection of electrical poles 13, so that the contact plates 4a, 4b heat themselves.
  • An electrical connection 14 ensures a flow of current through the contact plates 4a, 4b. Are placed two boards 7a, 7b.
  • FIG. 5 shows the contact plate 4 in side view.
  • the storage takes place on one side with a fixed bearing 15 and on the opposite side with a floating bearing 16, so that due to the Festloslagerverbunds a longitudinal extension of the contact plate 4 is also made possible in the longitudinal direction L as a result of thermal heating.
  • FIG. 6 shows a contact plate 4 with an attached board 7. Good to see here is the cross-sectional area AQ plate and the surface AK board . Between the board 7 and the contact plate 4 is then a coefficient ⁇ . Illustrated by way of example is the contact pressure p, which according to the invention by pressing the contact plate 4 to another contact plate 4, not shown, or an insulating plate 5, in particular under integration of the board 7, is formed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Heat Treatment Of Articles (AREA)
  • Control Of Resistance Heating (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Claims (6)

  1. Poste de thermorégulation (1) pour chauffer par contact une platine (7), en particulier pour austénitiser au moins en partie une platine (7), présentant un outil supérieur (2) et un outil inférieur (3), avec au moins une plaque de contact (4, 4a, 4b), dans lequel la pression de contact (p) exercée sur la platine (7) à thermoréguler peut être réglée ou commandée lorsque le poste de thermorégulation (1) est fermé, caractérisé en ce qu'une plaque de contact (4, 4a, 4b) est couplée par l'intermédiaire d'au moins un palier lâche (16) à l'outil supérieur (2), et/ou qu'une plaque de contact (4, 4a, 4b) est couplée par l'intermédiaire d'au moins un palier lâche (16) à l'outil inférieur (3), et que la modification de la pression de contact est effectuée suite au réglage ou à la commande par l'entraînement principal du poste de thermorégulation (1), et/ou qu'à cet effet des actionneurs (8) sont prévus.
  2. Poste de thermorégulation selon la revendication 1, caractérisé en ce que la plaque de contact (4, 4a, 4b) est réalisée en tant que plaque de contact allongée, en particulier la plaque de contact (4, 4a, 4b) présente une longueur L, qui correspond au moins à 1,2 à 2 fois la largeur (B4).
  3. Poste de thermorégulation selon la revendication 1 ou 2, caractérisé en ce que la pression de contact (p) est réglée ou commandée en fonction de la surface de contact et/ou de la surface de section transversale de la plaque de contact (4, 4a, 4b) et/ou de la limite d'allongement de la plaque de contact (4, 4a, 4b) et/ou du coefficient d'adhérence (µ) et/ou de la température réelle.
  4. Poste de thermorégulation selon l'une quelconque des revendications 1 à 3, caractérisé en ce que pour chauffer l'au moins une plaque de contact (4, 4a, 4b), au moins une des sources de chauffage suivantes est prévue : chauffage par induction, chauffage par chalumeau, chauffage par résistance.
  5. Poste de thermorégulation selon la revendication précédente, caractérisé en ce que dans le cas d'un chauffage par résistance, la plaque de contact (4, 4a, 4b) se chauffe elle-même en tant que résistance électrique, ou que la plaque de contact (4, 4a, 4b) peut être chauffée par l'intermédiaire de conducteurs chauffants ou de cartouches chauffantes.
  6. Poste de thermorégulation selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la pression de contact (p) peut être ajustée différemment dans au moins deux zones adjacentes localement.
EP16203792.3A 2015-12-15 2016-12-13 Station de régulation de température. Active EP3187599B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015121842.9A DE102015121842B4 (de) 2015-12-15 2015-12-15 Verfahren zum Betreiben einer Temperierstation

Publications (2)

Publication Number Publication Date
EP3187599A1 EP3187599A1 (fr) 2017-07-05
EP3187599B1 true EP3187599B1 (fr) 2018-08-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP16203792.3A Active EP3187599B1 (fr) 2015-12-15 2016-12-13 Station de régulation de température.

Country Status (5)

Country Link
US (1) US10369606B2 (fr)
EP (1) EP3187599B1 (fr)
CN (1) CN106885474B (fr)
DE (1) DE102015121842B4 (fr)
ES (1) ES2690742T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015121842B4 (de) * 2015-12-15 2018-11-29 Benteler Automobiltechnik Gmbh Verfahren zum Betreiben einer Temperierstation

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US2551224A (en) * 1947-02-24 1951-05-01 Edi Holding Inc Cold cathode triode electronic timer
US3753798A (en) 1969-01-25 1973-08-21 Toyoda Chuo Kenkyusho Kk Process and apparatus for the partial or localized tempering of a steel sheet-or the like stock
JPWO2007013279A1 (ja) * 2005-07-27 2009-02-05 菊池プレス工業株式会社 加熱装置及び加熱方法
US20110283851A1 (en) * 2010-05-21 2011-11-24 Thyssenkrupp Sofedit S.A.S. Method and hot forming system for producing press-hardened formed components of sheet steel
PL2439289T3 (pl) 2010-10-05 2017-06-30 Schwartz Gmbh Sposób i piec do obróbki cieplnej przedmiotów obrabianych
DE102011080528B3 (de) * 2011-08-05 2013-02-07 Friedrich-Alexander-Universität Erlangen-Nürnberg Verfahren und Werkzeug zur Wärmebehandlung von Aluminiumblechwerkstoff sowie nach einem derartigen Verfahren wärmebehandelter Aluminiumblechwerkstoff
DE102013021264A1 (de) * 2013-12-14 2014-07-17 Daimler Ag Vorrichtung und Verfahren zur Erwärmung von Metallplatinen
DE102014101539B9 (de) * 2014-02-07 2016-08-11 Benteler Automobiltechnik Gmbh Warmformlinie und Verfahren zur Herstellung von warmumgeformten Blechprodukten
DE102014006763A1 (de) * 2014-05-08 2015-02-26 Daimler Ag Vorrichtung zum Erwärmen eines Leichtmetallbauteils
DE102015101668A1 (de) * 2015-02-05 2016-08-11 Benteler Automobiltechnik Gmbh Zweifach fallendes Heiz- und Formwerkzeug sowie Verfahren zur Herstellung warmumgeformter und pressgehärteter Kraftfahrzeugbauteile
DE102015112812A1 (de) * 2015-08-04 2017-02-09 Benteler Automobiltechnik Gmbh Vorrichtung und Verfahren zum bereichsweisen Anlassen von Metallbauteilen
DE102015121842B4 (de) * 2015-12-15 2018-11-29 Benteler Automobiltechnik Gmbh Verfahren zum Betreiben einer Temperierstation

Non-Patent Citations (1)

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Also Published As

Publication number Publication date
CN106885474B (zh) 2019-03-22
DE102015121842A1 (de) 2017-06-22
ES2690742T3 (es) 2018-11-22
US10369606B2 (en) 2019-08-06
US20170165731A1 (en) 2017-06-15
EP3187599A1 (fr) 2017-07-05
DE102015121842B4 (de) 2018-11-29
CN106885474A (zh) 2017-06-23

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