EP3395965A1 - Ligne moulée à chaud destiné à la fabrication de produits de tôle d'acier moulés à chaud et durcis à la presse ainsi que son procédé de fonctionnement - Google Patents

Ligne moulée à chaud destiné à la fabrication de produits de tôle d'acier moulés à chaud et durcis à la presse ainsi que son procédé de fonctionnement Download PDF

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Publication number
EP3395965A1
EP3395965A1 EP18168502.5A EP18168502A EP3395965A1 EP 3395965 A1 EP3395965 A1 EP 3395965A1 EP 18168502 A EP18168502 A EP 18168502A EP 3395965 A1 EP3395965 A1 EP 3395965A1
Authority
EP
European Patent Office
Prior art keywords
hot forming
press
rails
tempering
hardening tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18168502.5A
Other languages
German (de)
English (en)
Other versions
EP3395965B1 (fr
Inventor
Georg Frost
Martin Hesselmann
Markus Kettler
Christoph Nitschke
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 EP3395965A1 publication Critical patent/EP3395965A1/fr
Application granted granted Critical
Publication of EP3395965B1 publication Critical patent/EP3395965B1/fr
Active legal-status Critical Current
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    • 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
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • 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
    • 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
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
    • 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
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/05—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work specially adapted for multi-stage presses
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
    • 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
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • 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
    • C21D9/0006—Details, accessories not peculiar to any of the following furnaces
    • C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
    • 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
    • C21D9/0056—Furnaces through which the charge is moved in a horizontal straight path
    • 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
    • C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
    • 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
    • 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
    • C21D2221/00—Treating localised areas of an article

Definitions

  • the present invention relates to a hot forming line for the production of hot-formed and press-hardened sheet steel products according to the features in the preamble of claim 1.
  • the present invention further relates to a method for operating a thermoforming line according to the features in the preamble of claim 11.
  • a heating station also referred to as a tempering station
  • a hot-forming and press-hardening tool is therefore required, as well as a hot-forming and press-hardening tool.
  • Manipulators usually in the form of industrial robots, are used between the individual stations or tools in order to transfer the board or components from one station to the next.
  • thermoforming line is for example from the DE 10 2009 014 670 B4 known.
  • the object of the present invention is to provide a hot forming line and a method for its operation, in which the transport time between the various stations and the design effort for transport are optimized.
  • thermoforming line according to the features in claim 1.
  • the hot forming line for producing thermoformed and press-hardened sheet steel products has at least one tempering station for heating at least one sheet metal blank as well as at least one hot forming and press hardening tool for forming and hardening the heated sheet metal blank to a steel sheet product. It is characterized according to the invention in that along the thermoforming line a linear conveyor system is provided, which is formed of two parallel opposite rails, the rails themselves are translationally displaceable and on the rails gripping elements, below Also called gripper, are arranged, wherein the gripping elements in the axial direction of the rails are displaced and the gripping elements are orthogonal to or with the rails can be raised or lowered. It can also be arranged two rails per page.
  • the displacement of the gripping elements in the axial direction of the rails can be done either by displacing the rails in the axial direction or by a relative movement of the gripping elements to the rails.
  • the linear conveyor system is thus provided at least over a partial length of the hot forming line so that sinkers can be transported from the tempering station to the thermoforming tool or press hardening tool.
  • the linear conveyor system is provided along the entire hot forming line.
  • the linear conveyor system is thus provided along the entire hot forming line. Consequently, a sheet metal blank is picked up by a blank stack or a blank provided by a blanking device and transported through the hot forming line and deposited the finished sheet steel product at a storage location. It is thus possible to dispense with separate manipulators, in particular industrial robots, between the individual stations. According to the invention, the individual stations of the thermoforming line can thereby be locally moved closer to one another or adjoin one another immediately adjacent to one another. The space required in a production hall for setting up such a hot forming line is thereby reduced.
  • the linear conveyor system can be operated synchronously with a plurality of gripping elements, in particular in the cycle time of the hot forming line.
  • the energy required to operate the linear conveyor system but also z. B. to warm up the board and / or keeping the board warm can be reduced.
  • the cycle time is preferably less than or equal to 10 seconds.
  • the cycle time for the tempering can preferably be less than or equal to 6 s, in particular less than or equal to 4 s.
  • the cycle time for the hot forming and press hardening is preferably less than or equal to 6 s, in particular between 4 s and 6 s.
  • the linear conveying system according to the invention is suitable for a multiple falling hot forming line, in particular two times or four times or even five times falling hot forming line.
  • a multiple falling hot forming line in particular two times or four times or even five times falling hot forming line.
  • two sheet metal blanks are picked up in parallel and inserted into the tempering station.
  • the two sheet-metal blanks heated at least in sections in the tempering station are in turn received in parallel, and placed in a hot-forming and press-hardening tool.
  • the hot forming and press hardening tool has two shaping cavities, so that the two at least partially heated sheet metal blanks are hot worked together in parallel and also press hardened in parallel.
  • the two steel sheet products produced thereby are then picked up in parallel and placed on a stack of stacks.
  • hardened steel sheet products are produced for the automotive industry, for example motor vehicle structural components or motor vehicle body components.
  • the linear conveyor system is particularly preferably further characterized in that active grippers are provided for gripping a metal sheet.
  • the active grippers perform a clamping movement.
  • these are provided, for example, as a scissor gripper.
  • the active grippers are designed as platinum grippers and tempering grippers, very particularly preferably at least as gripper pairs on the two rails lying parallel to one another, one gripper each of the gripper pair being arranged on one of the two rails lying parallel to one another.
  • passive grippers are preferably provided. Passive grippers grab the sheet steel product in particular in the vertical direction from below and lift it. Due to the effect of gravity, the steel sheet product remains on the passive gripper.
  • the passive grippers are designed as product grippers.
  • the sheet steel product has a higher resistance to deflection, wherein a passive gripper is structurally less expensive compared to an active gripper and thus less error prone.
  • the gripping elements, but especially the passive grippers are arranged to grip underneath the component.
  • the above-described gripping elements are arranged on the rails. Depending on the design variant of the rails themselves, this means that they slide from outside over the rails or else are arranged inside the rails.
  • the gripping elements are coupled to the rails in such a way that, on the one hand, they can move in the axial direction of the rails, but at the same time are linearly guided.
  • the rails can themselves be made, for example, as an extruded profile.
  • the gripping elements can be stored, for example, ball-bearing or roller bearings stored in or on the rails. However, they can also be coupled with a sliding bearing with the rails. Preferably, all the gripping elements are displaceable in the axial direction of the rails via a synchronous drive.
  • the movement of the gripping elements in the axial direction can be performed synchronously and thus in the same cycle.
  • the synchronous drive can be, for example, a rack drive or even a belt drive.
  • the gripping elements can also be fixed in position with respect to the axial direction of the rails with these. This means a movement of the rails in the axial direction also causes the gripping elements to be moved in the axial direction. The rails are then also moved via a synchronous drive in the longitudinal direction.
  • the main movement of the gripping elements for transport takes place by a movement of the rails in their longitudinal direction.
  • the grippers perform a relative movement in the longitudinal direction of the rails, so that, for example, a mutually different distance between two recorded by a temperature control boards for storing in a forming tool can be adjusted.
  • the main transport movement is performed by the movement of the rails in the longitudinal direction.
  • the gripping elements are still preferably relative to the vertical direction relative to the rails displaced. Again, it is possible via an electric, hydraulic, pneumatic or even a belt drive, thus lifting a mechanical drive, the gripping elements relative to the rails relative to the vertical direction or lower. Also preferably, it is again possible here that the gripping elements are also arranged fixed in position with respect to the vertical direction on the rails. A lifting movement of blanks or sheet steel products is thus carried out by lifting the entire rails in the vertical direction.
  • the rails are orthogonal to their axial direction and relative to the hot forming line displaced outwards. This can also be done via a synchronous drive, so that both rails are simultaneously moved outward, thus perform an opposite movement.
  • the inserted sheet metal blanks and the heated sheet metal blanks placed in the hot forming and press hardening tool can then be processed in the respective station, preferably in one cycle.
  • the tempering station and the hot forming and press-hardening tool are opened and the rails are displaced inwards and execute an aligned movement.
  • Sheet metal blanks or steel sheet products can then be picked up with the gripping elements. Subsequently, the gripping elements perform the movement in the axial direction of the rails.
  • a translational travel of the rails in a horizontal plane orthogonal to the longitudinal direction is preferably only between 5 mm and 250 mm, preferably 10 mm to 50 mm from a rest position to a gripping position. Due to the very short time due to the small travel path of the rails themselves turn the time required for conveying, compared to an industrial robot significantly shortened. The cycle times between the press cycles can thereby be reduced and the energy required to extend the movement can also be reduced.
  • the tempering station and the press frame with hot-forming and press-hardening tools are arranged close to one another.
  • the distance between press frame and tempering is less than 2 m, preferably less than 1 m, in particular less than 50 cm.
  • these are particularly preferably formed directly adjacent to each other. This means that the distance is a few centimeters or directly next to each other.
  • the distance is less than 10 cm, in particular less than 5 cm remain so that the hot forming and press hardening tool is decoupled from the tempering.
  • the decoupling relates in particular to vibrations and temperature lines and kinematic motion sequences.
  • the linear conveyor system according to the invention in the longitudinal direction of the rails, thus in the horizontal direction of Bacverlagerungsweg of recording the board to the filing of the manufactured component, a total length of less than 15 m, in particular less than 10 m.
  • a total length of less than 15 m, in particular less than 10 m.
  • tempering station and hot forming and press hardening tool are arranged on separate machine foundations.
  • the advantage is that smaller standard presses can be used both for the tempering station and for the hot forming and press hardening tool.
  • a press having a pressing force of 1500 to 2500 t, especially 1800 to 2200 t, and preferably 2000 t, may be used.
  • a press with a pressing force of 20 to 100 t, in particular 30 to 70 t, preferably 50 t can be used.
  • the tempering station it is possible for the tempering station to be coupled directly to the hot-forming and press-hardening tool.
  • the tempering station is flanged to the press frame.
  • the tempering station is controlled parallel to the drive of the hot forming and press hardening tool and both stations operate synchronously or in the same cycle.
  • the temperature control in particular the same control preferably also the same drive, have as the hot forming and press hardening tool in the press frame.
  • the tempering station is opened with respect to the hot forming and press hardening tool delayed in time or downstream.
  • a better heat effect or, after opening of the tempering station a lower cooling rate results. Only when the hot forming tool is open, or shortly before the start of the transport of the heated blanks in the hot forming tool thus the temperature control is opened.
  • the present invention further relates to a method of operating the hot forming line described above.
  • a board is gripped and transported by axial movement of at least two opposing Platinengreifern in the tempering and stored in this.
  • a board heated in the tempering station is gripped by at least two opposing tempering grippers in the tempering station and conveyed into the hot-forming and press-hardening tool and deposited there.
  • a hot worked and hardened steel sheet product from the hot forming and press hardening tool is gripped by at least two opposing product grippers and conveyed to a discard pile or the produced steel sheet products are conveyed to the discard pile by a downstream transfer system.
  • FIG. 1 shows a thermoforming line according to the invention 1 comprising a tempering 2 and a hot forming and press hardening tool 3 and arranged thereon a linear conveyor system 4.
  • the linear conveyor system 4 has two mutually parallel rails 5, wherein 5 gripping elements are arranged on the rails. Based on the image plane from left to right two Platinengreifer 6 are arranged. Relative to the image plane in the middle, two tempering grippers 7 are arranged and two product grippers 8 are arranged on the image plane relative to the right side.
  • the hot forming line 1 is thus two times falling. It can also be simple, triple, quadruple or multiple falling. Further, a Botverlagerungsweg 6 is shown.
  • the gripping elements are fixed in position relative to the rails 5 in the axial direction 9 of the rails 5, the rails 5 being movable in their axial direction 9.
  • the gripping elements in the axial direction 9 to the rails 5 are displaced.
  • the rails 5 have a relative movement 10 with respect to the axial direction 9 orthogonal running inwards.
  • the respective gripping elements are thus brought into engagement with the sheet metal blanks 11, the sheet metal blanks 12 or the sheet steel products 13 to be heated.
  • the linear conveyor system 4 then performs a transport movement 14 in the axial direction 9 of the rails 5.
  • the end position is in FIG. 2 shown.
  • the formed sheet steel products 13 are deposited on a storage stack 15 shown schematically.
  • the heated sheet metal blanks 12 are deposited on the hot forming and press hardening tool 3.
  • the newly recorded metal blanks 11 are deposited on the tempering 2 and there are again new metal blanks 11 ready.
  • the rails 5 carry outward movement 16, so that the entire rails 5 with the respective gripping elements are moved outward relative to the axial direction 9 of the rails 5 and are no longer in engagement with the sheet metal blanks 11, 12 and sheet steel products 13 stand.
  • a return movement 17 is performed, in particular, this return movement 17 is carried out synchronously with both rails 5, as in FIG. 3 shown. Thereafter, the process begins again as in FIG. 1 shown.
  • the returned rails 5 are moved towards each other so that the gripping elements engage with the heated sheet metal blanks 12 and the sheet steel products 13.
  • FIGS. 4a and b show the hot forming line 1 according to the invention in each case in a side view.
  • the rails 5 can be seen.
  • Sheet metal blanks 11 received by a sheet metal blanks stack 18 are fed to the tempering station 2.
  • the tempering station 2 is optionally flanged to the press frame 19.
  • FIG. 4b have thermoforming and press hardening tool 3 and tempering station 2 synchronously performed a closing movement and heat the inserted into the tempering 2 sheet metal blanks 11 and form the heated sheet metal blanks 12 to the steel sheet products 13, which are stored on a storage stack 15.
  • the tempering station 2 in this case has an actuator 20, so that the tempering 2 can be controlled independently of the hot forming and press hardening tool 3.
  • the actuator 20 may be arranged at the top and / or bottom of the temperature control station 2.
  • FIG. 5 shows an alternative embodiment variant of the hot forming line 1 comprising a hot forming and press hardening tools and the downstream separate tempering station 21, the tempering stations 21 and the hot forming and press hardening tool 24 are connected to a common control unit 22.
  • a control unit 22 controls all individual stations isochronous or even simultaneously.
  • vibration damper 23 can be used in the coupling.
  • the tempering station 21 is used for local softening or other local structural adjustment of the press-hardened steel sheet product.
  • FIG. 6 shows an embodiment variant according to FIG. 5 with the difference that the tempering station 2 and the tempering station 21 are coupled to an upper tool 25 of the hot forming and press hardening tool 24 or its press frame 19, so that the opening and closing movement of the upper tool 25 is performed isochronous and simultaneously with the tempering 2.
  • FIGS. 7a and b show a lifting operation of the rails 5 with the platinum grippers 6.
  • the rails 5 have a movement 10 orthogonal to the axial direction 9 running towards each other, so that the Platinengreifer 6 are located in the vertical direction V below the sheet metal blank 11. Following this is a lifting movement, shown in FIG. 7b executed by the rails 5. This means that the entire rails 5 are moved upward in the vertical direction V. As it is then the sheet metal blank 11 on the platinum grippers 6 and is also raised.
  • FIGS. 8a and b show an alternative embodiment variant.
  • the rails 5 are raised relative to the vertical direction V, but only the platinum gripper 6. These are thus relatively movable with respect to the rails 5 mounted on the vertical direction V and can also be raised or lowered.
  • FIGS. 9a to c indicate an analogue relative movement 10 FIGS. 8a and b with the difference that here the Platinengreifer 6 are shown as active gripper. These are in an open position according to FIG. 9a represented, so that the rails 5 have performed a mutually directed movement 10. According to FIG. 9b then the platinum grippers 6 are closed as active gripper and according to FIG. 9c again raised relative to the vertical direction V.
  • FIG. 10 shows the hot forming line 1 according to the invention in an idle state.
  • the upper rail 5, which is related to the image plane, is displaced outwardly in the axial direction 9 in a doubly divided manner. This allows a free access 26 to the hot forming and press hardening tool 3 located behind it, so that a schematically indicated tool change 27 can take place. Following this, the two rail parts are again moved towards each other, coupled together and the hot forming line 1 operated.
  • two gripper pairs arranged in the middle, relative to the image plane, which are in particular tempering grippers 7, are mutually variable in their distance A1.
  • the width B2 is greater than the width B1.
  • FIG. 11 shows a thermoforming line 1.
  • the tempering 2 and the hot forming and Presshärtetechnik 3 are arranged close together with a distance 28 of less than 50 cm.
  • the temperature control station 2 and the hot forming and press hardening tool 3 can be driven synchronously. This can be done via a common control or by superordinate control of two connected individual controls. Important is a common opening phase, so that the linear conveyor system 4 can make a respective transport in a short time.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Heat Treatment Of Articles (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
EP18168502.5A 2015-12-23 2016-12-23 Ligne moulée à chaud destiné à la fabrication de produits de tôle d'acier moulés à chaud et durcis à la presse ainsi que son procédé de fonctionnement Active EP3395965B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015122796.7A DE102015122796A1 (de) 2015-12-23 2015-12-23 Warmformlinie zur Herstellung warmumgeformter und pressgehärteter Stahlblechprodukte sowie Verfahren zu dessen Betreibung
EP16206591.6A EP3184656B1 (fr) 2015-12-23 2016-12-23 Ligne moulée à chaud pour la fabrication de produits de tôle d'acier moulés à chaud et durcis à la presse et son procédé de fonctionnement

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP16206591.6A Division EP3184656B1 (fr) 2015-12-23 2016-12-23 Ligne moulée à chaud pour la fabrication de produits de tôle d'acier moulés à chaud et durcis à la presse et son procédé de fonctionnement
EP16206591.6A Division-Into EP3184656B1 (fr) 2015-12-23 2016-12-23 Ligne moulée à chaud pour la fabrication de produits de tôle d'acier moulés à chaud et durcis à la presse et son procédé de fonctionnement

Publications (2)

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EP3395965A1 true EP3395965A1 (fr) 2018-10-31
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EP16206591.6A Active EP3184656B1 (fr) 2015-12-23 2016-12-23 Ligne moulée à chaud pour la fabrication de produits de tôle d'acier moulés à chaud et durcis à la presse et son procédé de fonctionnement

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DE (1) DE102015122796A1 (fr)
ES (2) ES2699916T3 (fr)
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DE102018207798A1 (de) 2018-05-17 2019-11-21 Ford Global Technologies, Llc Warmformlinie und Verfahren zur Herstellung warmumgeformter und pressgehärteter Stahlblechprodukte
SE542025C2 (en) * 2018-06-21 2020-02-11 Gestamp Hardtech Ab Process and apparatus for cooling hot components
CN110961543B (zh) * 2019-12-20 2021-12-21 翟述基 高强钢板冲压热成型生产线综合运送料设备
CN113083933B (zh) * 2021-03-26 2022-12-23 武汉理工大学 大规格超细晶各向同性板材制备方法
DE102021110702A1 (de) 2021-04-27 2022-10-27 Voestalpine Metal Forming Gmbh Verfahren und Vorrichtung zum Herstellen gehärteter Stahlbauteile mit unterschiedlich duktilen Bereichen

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CH698129B1 (de) * 2004-04-29 2009-05-29 Kuka Systems Gmbh Verfahren und Vorrichtung zum Erwärmen von elektrisch leitfähigen unbeschichteten oder beschichteten Platinen.
DE102009014670B4 (de) 2009-03-27 2011-01-13 Thyssenkrupp Sofedit S.A.S Verfahren und Warmumformanlage zur Herstellung von pressgehärteten Formbauteilen aus Stahlblech
DE102013104229B3 (de) * 2013-04-25 2014-10-16 N. Bättenhausen Industrielle Wärme- und Elektrotechnik GmbH Vorrichtung zum Presshärten von Bauteilen

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DE19652709A1 (de) 1996-12-18 1998-06-25 Schuler Pressen Gmbh & Co Transfervorrichtung zum taktweisen Werkstücktransport
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DE202009004456U1 (de) * 2009-04-02 2009-07-16 Schwab, Wolfgang Vorrichtung zur Trocknung und Kühlung von Bauteilen
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
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DE19542205A1 (de) * 1995-11-13 1997-05-15 Schuler Pressen Gmbh & Co Presse mit kombinierter Transfereinrichtung
CH698129B1 (de) * 2004-04-29 2009-05-29 Kuka Systems Gmbh Verfahren und Vorrichtung zum Erwärmen von elektrisch leitfähigen unbeschichteten oder beschichteten Platinen.
DE102009014670B4 (de) 2009-03-27 2011-01-13 Thyssenkrupp Sofedit S.A.S Verfahren und Warmumformanlage zur Herstellung von pressgehärteten Formbauteilen aus Stahlblech
DE102013104229B3 (de) * 2013-04-25 2014-10-16 N. Bättenhausen Industrielle Wärme- und Elektrotechnik GmbH Vorrichtung zum Presshärten von Bauteilen

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CN106916930B (zh) 2019-03-26
EP3184656A1 (fr) 2017-06-28
PL3184656T3 (pl) 2019-02-28
CN106916930A (zh) 2017-07-04
ES2787030T3 (es) 2020-10-14
EP3395965B1 (fr) 2020-03-04
DE102015122796A1 (de) 2017-06-29
EP3184656B1 (fr) 2018-10-24
US20170183755A1 (en) 2017-06-29
ES2699916T3 (es) 2019-02-13
US10954577B2 (en) 2021-03-23

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