WO2013053744A1 - Procédé et dispositif destinés à fabriquer une pièce en tôle composite pourvue d'une zone marginale métallique - Google Patents

Procédé et dispositif destinés à fabriquer une pièce en tôle composite pourvue d'une zone marginale métallique Download PDF

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Publication number
WO2013053744A1
WO2013053744A1 PCT/EP2012/070041 EP2012070041W WO2013053744A1 WO 2013053744 A1 WO2013053744 A1 WO 2013053744A1 EP 2012070041 W EP2012070041 W EP 2012070041W WO 2013053744 A1 WO2013053744 A1 WO 2013053744A1
Authority
WO
WIPO (PCT)
Prior art keywords
composite sheet
metal part
sheet metal
edge region
plastic
Prior art date
Application number
PCT/EP2012/070041
Other languages
German (de)
English (en)
Inventor
Azeddine Chergui
Original Assignee
Thyssenkrupp Steel Europe Ag
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 Thyssenkrupp Steel Europe Ag filed Critical Thyssenkrupp Steel Europe Ag
Priority to EP12769681.3A priority Critical patent/EP2766144A1/fr
Priority to JP2014535043A priority patent/JP6162129B2/ja
Priority to CN201280049890.4A priority patent/CN103998175B/zh
Publication of WO2013053744A1 publication Critical patent/WO2013053744A1/fr
Priority to US14/246,604 priority patent/US20140298875A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/06—Resistance welding; Severing by resistance heating using roller electrodes
    • B23K11/061—Resistance welding; Severing by resistance heating using roller electrodes for welding rectilinear seams
    • 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
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/34—Preliminary treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/16—Composite materials, e.g. fibre reinforced
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/16—Composite materials, e.g. fibre reinforced
    • B23K2103/166—Multilayered materials
    • B23K2103/172—Multilayered materials wherein at least one of the layers is non-metallic

Definitions

  • the invention relates to a method for producing a composite sheet metal part with a metallic edge region, which comprises two outer cover plates made of metal and at least one layer arranged between the cover plates consisting of a
  • Plastic has.
  • the invention relates to a device for carrying out the method according to the invention.
  • Composite sheet metal parts are often in the form of a
  • Sandwich sheet which has two outer cover plates and a disposed between the cover sheets non-metallic, usually made of plastic layer used.
  • Composite sheet metal parts lies in the fact that composite sheet metal parts
  • composite sheet metal allows very good stiffness locally despite its low weight and at the same time has very good soundproofing properties
  • edge region is bent open and the plastic layer arranged between the cover plates and the use of abrasive agents is removed. Subsequently, the cover plates of the edge region are welded together, so that a
  • the object indicated by a generic method is achieved in that a selected edge region of the composite sheet metal part is heated so that the between the outer
  • Cover sheet arranged plastic layer softens, by a force applied to at least one outer cover plate in the edge region, the cover sheets point or area pressed against each other, so that the plastic layer emerges in the acted upon by a force edge region and then or simultaneously with the
  • the cover sheets are not bent and the plastic layer removed by abrasive means, but by applying force to at least one outer cover plate, the plastic layer from the edge region
  • a portion of the composite sheet metal part is understood to be a distance of 10 mm to 100 mm from the edge of the composite sheet metal part.
  • Edge area can be significantly more economical.
  • the process can be automated very well and, as a result, makes very well available composite sheet metal parts available.
  • metallic cover sheets have a wall thickness of 0.1 mm to 0.3 mm, whereas the plastic layer has a wall thickness of 0.35 mm to 0.8 mm.
  • Corresponding composite parts have considerable weight advantages over solid materials and can be joined particularly well with the method according to the invention.
  • the exiting plastic in the edge region is at least partially removed mechanically and / or via a suction device.
  • exiting plastic can be performed, for example, by scraping using a scraping device. Also conceivable is the combination of a
  • Plastic sucks and a scraping device leaving a post-processing of the outer edge areas of the
  • the electrode cleaning can be used, for example, when the roller electrodes for Heating the edge area or used to join the edge areas.
  • the heating of the edge region of the composite sheet metal part is carried out convectively, conductively, inductively, by friction and / or by using electromagnetic radiation, an application-adapted heating form of the edge region of the composite sheet metal part can be ensured.
  • convective heating the heat transfer takes place, for example, by hot gases via convection. It is exploited that the cover plates can transfer the heat locally very well to the plastic layer arranged between them.
  • the heating zone can be confined locally to narrowly defined areas, namely the contact points through which the current is intended to flow.
  • the means for conductive heating also for
  • Kraftbeierschlagung be used. In cases where non-contact, locally confined heating is desired, it may also be induced via induction, i. by inducing eddy currents.
  • Composite sheet metal part, from which the plastic layer is to be removed, is achieved by friction, for example, in which a sonotrode ultrasonic vibrations on the
  • Cover sheets of the composite sheet metal part is very local and
  • Edge area can be used.
  • electromagnetic radiation for example laser beams in the near infrared range or also
  • NIR radiators provide a particularly rapid and effective heating of specific edge regions of the composite sheet metal part.
  • the use of electromagnetic radiation makes it possible to expand or restrict the heating area in a particularly targeted manner.
  • the force is applied using at least one or more rollers.
  • edge areas that have been previously or simultaneously heated can be traversed by the rollers and thus far, for example, longitudinal edges of a composite sheet metal part can be easily equipped with a non-metallic edge area. It is irrelevant whether a role is used, which exerts a force against an outer cover plate, wherein the second outer cover plate is pressed against a counter-holder or whether two rollers each arranged opposite to press against the outer cover plates.
  • the roll can also serve as a contact roll, which can be used for
  • Power guide is suitable and thus allows selective heating of the edge region.
  • the edge region of the composite sheet metal part after or during the application of force is spot or partially welded.
  • the rollers By using the rollers, a particularly rational production of a composite sheet metal part with purely metallic edge area is ensured. For example, an in Longitudinal direction of the edge region seen arrangement of two pairs of rollers to be used, the selected
  • the total thickness of the composite sheet metal part is reduced by the exiting plastic. According to a further advantageous embodiment of the method according to the invention therefore in the crimped edge region of the composite sheet metal part or on two sides at least partially sheets for thickness compensation
  • the process according to the invention is carried out during the heating and displacement of the plastic layer between the outer layers
  • Cover sheets of the composite sheet metal part exerted a force on at least one outer cover plate, which is greater than during the joining of the two cover sheets. This ensures that the heating temperatures to be provided in the
  • Plastic can be kept low, so that the impairment of the plastic layer, which adjoins the metallic edge region of the composite sheet metal part, is low. In addition, this is a particularly comprehensive pushing out of the plastic between the outer
  • the composite sheet metal part is simultaneously, i.
  • the second metal cover plate can be provided by the metal part, with which the composite sheet metal part to be joined, so that the
  • Metal part can be connected by welding.
  • composite sheet metal parts with an outer cover sheet and an artificial material layer arranged thereon can easily become an integral part of devices, for example dishwashers or even railway tracks, and provide their sound-insulating properties.
  • the above object is achieved by a device for
  • Edge region to press this cover sheet against another metal layer, so that the arranged on the cover sheet, heated and soft plastic layer is pushed out of the edge region and
  • a metal layer can of course also the second outer cover plate of a composite sheet metal part with two outer cover plates and arranged therebetween
  • the device according to the invention also allows the joining of a composite sheet metal part with a single outer Cover plate and a plastic layer arranged thereon with another metal part in an economical manner.
  • edge regions of a composite sheet metal part can be produced with a configuration of the device according to the invention with a metallic edge region, the embodiment of the device according to the invention having one or more rollers for applying force and / or for heating and / or joining the edge region of the composite sheet metal part Means to
  • a further embodiment of the device according to the invention makes it possible that a post-processing of the edge regions, for example for the removal of excess plastic, is not necessary because a scraping device and / or a suction device for removing the edge regions.
  • the device according to the invention can be further developed in that a first and a second pair of rollers are provided, wherein the first and the second pair of rollers in the longitudinal direction of the edge region of
  • composite sheet metal parts having a metallic edge region can be heated and pressed out of the plastic onto the first pair of rolls and the point or region-wise joining of the edge region to the second
  • Roll pair can be increased.
  • the invention is based on
  • Fig. 7 is a force
  • a first embodiment of the method according to the invention is shown in Fig. 1, in which a
  • Composite sheet metal part 1 which consists of two outer cover plates 2, 3 and arranged between the cover plates 2.3
  • Plastic layer 4 is heated in its edge region 5 such that the plastic layer 4 in this
  • Edge area 5 softens.
  • the heating of the edge region 5 can be done in different ways.
  • a current in the composite sheet metal part 1 is introduced via the roller 6 and the current guide bracket 7 and the counter-holder 8, wherein
  • Edge region 5 a strong heating of the upper and optionally of the lower cover plate 2, 3 takes place, so that in the Edge region 5 provided plastic layer 4 softens greatly.
  • the upper cover plate 2 is pressed in the edge region 5 on the lower cover plate. It occurs the
  • the thickness ratios of the cover plates and the plastic layers are not reproduced to scale.
  • the wall thickness of the plastic layer is preferably greater than that of the cover plates.
  • FIG. 3 and in FIG. 4 A similar embodiment of the method according to the invention is shown in FIG. 3 and in FIG. 4. Here are two rollers 6a, 6b used to force on the To exert edge region 5, which is shown by the arrows F.
  • the edge region 5 can, as already described above, be conductively heated by current conduction via the rollers 6a and 6b and the current-carrying terminal 7. But it is also possible to previously heat the edge region 5 by other measures and procedures, so that the plastic layer is soft and this by applying the force F from the
  • roller electrodes IIa and IIb are used to guide the flow of current from the one outer cover plate 2 to the outer cover plate 3.
  • the roller electrodes IIa and IIb are electrically conductive
  • Heating can be done. With the help of the contact or
  • Scraped plastic can be completely removed from the roller electrodes 6a, 6b.
  • Fig. 4 it is shown in Fig. 4 that in addition to the device 9 for removing the exiting plastic, which in the form of a
  • Suction device is shown, also a
  • Scraping device 10 is provided, which is arranged on the end face of the composite component schabend. Further, two contact or sealing rollers 25, which are freely rotatably mounted on the housing of the suction device 9, arranged, whereby a negative pressure in the housing can be generated, which has a positive effect on the removal of the plastic.
  • Fig. 5 is now an embodiment of the
  • roller electrodes 6a, 6b are cleaned of leaking plastic, so that this properly for the area or pointwise welding of the edge region 5 of the
  • Composite sheet metal part 1 can be used.
  • Ababevoriene 10 can also for
  • Removal of the leaked plastic can be used at the edge of the composite sheet metal part.
  • Fig. 6 shows a further embodiment in a schematic sectional view.
  • the two pairs of rollers 6a, 6b and 12a, 12b are used to one hand the
  • Fig. 7 force-time diagram or current-time diagram describes an embodiment of a method according to the invention with conductive heating and joining the edge region of the composite sheet metal part.
  • Manufacturing process is divided into two sections, in the first section, the heating and displacement of the
  • the welding phase can start from t1 to t2, in which the force F can be lowered, but the current I is further increased, so that the metal cover sheets are welded together.
  • Fig. 8 shows another embodiment of the
  • FIG. 9 Another way of heating the edge region is shown in FIG. 9 schematically.
  • means for inductive heating 14a, 14b are provided, downstream is a pair of rollers 15a, 15b, with the aid thereof the soft plastic is expelled in order to weld the two outer cover plates of the composite sheet metal part 1 in connection with one another.
  • means for heating the edge area using electromagnetic radiation instead of the means for inductive heating 14a and 14b, means for heating the edge area using electromagnetic radiation,
  • laser radiation or near-infrared radiators are used, which also contribute to an effective,
  • FIG. 10 shows which current-carrying paths are necessary.
  • a current bridge 16 is provided between the roller electrodes IIa and IIb.
  • the roller electrodes are connected to one another via a further current bridge 17, the current being conducted via sliding contacts, as shown enlarged in FIG. 11, to the current bridge 17 via the roller electrodes 6a and 6b.
  • the current source 18 is connected across the roller axes of the roller electrodes 6a and 6b.
  • Fig. 12 shows schematically the production of the
  • step A is first of a
  • Composite sheet metal part 1 assumed, which two outer
  • Cover plates 2, 3 and arranged between the cover sheets plastic layer 4 comprises.
  • the flat composite sheet metal part or composite sheet produced in this way is fed to a handling system 19 in method step B.
  • the handling system 19a has a device 19b according to the invention for producing a composite sheet metal part with a metallic edge region.
  • the device 19b also on a Multi-axis robot 19 is arranged.
  • Multi-axis robot 19 or the handling system 19a now moves the edge regions 5 of the composite sheet metal part 1 and generates there a purely metallic edge region.
  • the edge areas have a width of about 10 to 100 mm.
  • the composite sheet metal part 1 may also undergo a forming process first
  • Step B are supplied to the handling system 19a, which then circulates the edge region 5 of the composite sheet metal part la and so creates a purely metallic edge region 5.
  • the composite sheet metal part 1 thus produced can be flat or possibly preformed with a metallic edge region, a further forming step or
  • section C shows once again the edge region 5 of the composite sheet metal part 1 in magnification. Clearly visible is the pure
  • step D After forming the specific composite sheet metal part in step D, the composite sheet metal part with other sheet metal parts as shown in step E, via a fold 20 or by welding with another
  • Figure 13a), b), c) and d) show in a schematic
  • Composite sheet metal part 1 Here are both sides with sheets 2a and 3a to occupy. All four shown
  • Embodiments have in common that they have a weld 5a in the edge region, which provided for in the edge region 5 plates 2a, 3a or cover plates 2, 3 of the edge region
  • Composite sheet metal part 1 ' which has an outer cover plate 2' and a KunststoffStoffSchicht 4 ', connected to a stainless steel sheet 22 of a dishwasher.
  • the edge region of the composite sheet metal part V ' is heated via a roller electrode 6a, the plastic layer 4' is pressed out and then welded to the stainless steel sheet 22.
  • Fig. 14b) shows the finished composite sheet metal part 1 'mounted on a dishwasher 23. The process in its individual steps is shown once more in Figs. 15a) and 15b) and 15c).
  • a contact electrode 6a positioned in the edge region of the composite sheet metal part 1 'and the plastic in
  • Edge region 5 heated and removed from the space between the sheets 2 'and 22. Subsequently, in a second method step using a
  • Composite sheet metal part 1 with a metallic edge region 5 The composite sheet metal part 1 'comprises, as in FIGS. 14 and 15, only an outer cover layer 2' and a plastic layer 4 '. In the first method step, the plastic layer 4 'in the edge region 5 of the
  • FIG. 17 shows, in a sectional view, the sound-damped track rail 24, which has two composite sheet-metal parts 1 'on both sides.
  • a composite sheet metal part 1 'with an outer cover sheet 2' and a plastic layer A 'arranged thereon can be easily connected to a further metal part, for example a rear wall of a method according to the invention
  • Dishwashers 22 or a rail track 24 thus significantly increases the potential applications of composite sheet metal parts.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un procédé destiné à fabriquer une pièce en tôle composite (1) laquelle est pourvue d'une zone marginale métallique (5) laquelle comporte deux tôles de couverture extérieures (2, 3) en métal et au moins une couche (4) qui est disposée entre lesdites tôles de couverture et qui est constituée d'une matière plastique. La présente invention a pour but de fournir un procédé destiné à la fabrication d'une pièce en tôle composite pourvue d'une zone marginale métallique, permettant de fabriquer de façon économique une pièce en tôle composite correspondante et d'atteindre un degré d'automatisation élevé, ledit but étant atteint par un procédé consistant à • - chauffer une zone marginale précise de la pièce en tôle composite, pour ainsi ramollir la couche en matière plastique disposée entre les tôles de couverture extérieures, • - pousser les tôles de couverture à un certain endroit ou dans une certaines zone l'une contre l'autre en soumettant, dans ladite zone marginale, au moins une tôle de couverture extérieure à une force, de manière à faire sortir la couche en matière plastique de la zone marginale soumise à une force et • - assembler les deux tôles de couverture, après les avoir soumis à ladite force ou bien en même temps, au moins dans une certaine zone ou à un certain endroit situé(e) dans la zone marginale comprimée.
PCT/EP2012/070041 2011-10-10 2012-10-10 Procédé et dispositif destinés à fabriquer une pièce en tôle composite pourvue d'une zone marginale métallique WO2013053744A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP12769681.3A EP2766144A1 (fr) 2011-10-10 2012-10-10 Procédé et dispositif destinés à fabriquer une pièce en tôle composite pourvue d'une zone marginale métallique
JP2014535043A JP6162129B2 (ja) 2011-10-10 2012-10-10 金属縁領域を備えた複合金属薄板部品
CN201280049890.4A CN103998175B (zh) 2011-10-10 2012-10-10 含金属边缘区域的复合板部件的制造方法及装置
US14/246,604 US20140298875A1 (en) 2011-10-10 2014-04-07 Method and Device for Producing a Composite Sheet-Metal Part with a Metal Edge Region

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011054362A DE102011054362A1 (de) 2011-10-10 2011-10-10 Verbundblechteil mit metallischem Randbereich
DE102011054362.7 2011-10-10

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US14/246,604 Continuation US20140298875A1 (en) 2011-10-10 2014-04-07 Method and Device for Producing a Composite Sheet-Metal Part with a Metal Edge Region

Publications (1)

Publication Number Publication Date
WO2013053744A1 true WO2013053744A1 (fr) 2013-04-18

Family

ID=47002891

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/070041 WO2013053744A1 (fr) 2011-10-10 2012-10-10 Procédé et dispositif destinés à fabriquer une pièce en tôle composite pourvue d'une zone marginale métallique

Country Status (6)

Country Link
US (1) US20140298875A1 (fr)
EP (1) EP2766144A1 (fr)
JP (1) JP6162129B2 (fr)
CN (1) CN103998175B (fr)
DE (1) DE102011054362A1 (fr)
WO (1) WO2013053744A1 (fr)

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CN106413969A (zh) * 2014-05-09 2017-02-15 大众汽车有限公司 用于接合复合板构件与功能元件的方法和装置
US9889633B2 (en) 2014-04-10 2018-02-13 Honda Motor Co., Ltd. Attachment method for laminate structures

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DE102014208708A1 (de) 2014-05-09 2015-11-12 Volkswagen Aktiengesellschaft Verfahren und Vorrichtung zum Fügen eines Verbundblechbauteils mit einem weiteren Bauteil
DE102014016930A1 (de) * 2014-11-15 2016-05-19 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Verfahren zur Herstellung eines Sandwichbleches
DE102014017689A1 (de) 2014-11-24 2016-05-25 Salzgitter Flachstahl Gmbh Verfahren zur Herstellung eines Verbundwerkstoffes mit schweißbarem Flansch
EP3034226A1 (fr) * 2014-12-18 2016-06-22 Outokumpu Oyj Procédé de fabrication d'un panneau sandwich
DE102015201879A1 (de) * 2015-02-04 2016-08-04 Thyssenkrupp Ag Verfahren zum Herstellen eines Bauteils aus einem Sandwichmaterial und Bauteil aus einem Sandwichmaterial
DE102015218382A1 (de) 2015-09-24 2017-03-30 Thyssenkrupp Ag Mehrlagiges Verbundmaterial und Verfahren zur Herstellung eines mehrlagigen Verbundmaterials
DE102015116990A1 (de) 2015-10-06 2017-04-06 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh Verfahren und Anlage zum kontinuierlichen Herstellen von Verbundbändern oder -blechen
CN108290241A (zh) * 2015-10-27 2018-07-17 哈钦森技术股份有限公司 将用于联接结构的聚合物、陶瓷和复合材料金属化
US10625083B2 (en) * 2016-06-27 2020-04-21 Hutchinson Technology Incorporated Metallized components and surgical instruments
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JP6162129B2 (ja) 2017-07-12
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CN103998175A (zh) 2014-08-20
DE102011054362A1 (de) 2013-04-11

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