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EP2616197A1 - Dispositif et procédé pour fabriquer des profilés creux au moins partiellement fermés au moyen de demi-matrices rotatives avec un temps de cycle réduit - Google Patents

Dispositif et procédé pour fabriquer des profilés creux au moins partiellement fermés au moyen de demi-matrices rotatives avec un temps de cycle réduit

Info

Publication number
EP2616197A1
EP2616197A1 EP11755339.6A EP11755339A EP2616197A1 EP 2616197 A1 EP2616197 A1 EP 2616197A1 EP 11755339 A EP11755339 A EP 11755339A EP 2616197 A1 EP2616197 A1 EP 2616197A1
Authority
EP
European Patent Office
Prior art keywords
partially
tool
shaped
die
punch
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
EP11755339.6A
Other languages
German (de)
English (en)
Other versions
EP2616197B1 (fr
Inventor
Thomas Flehmig
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.)
ThyssenKrupp Steel Europe AG
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
Publication of EP2616197A1 publication Critical patent/EP2616197A1/fr
Application granted granted Critical
Publication of EP2616197B1 publication Critical patent/EP2616197B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
    • B21D5/015—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments for making tubes
    • 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
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • 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
    • B21D37/08—Dies with different parts for several steps in a process
    • 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
    • B21D43/14—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by turning devices, e.g. turn-tables

Definitions

  • the invention relates to a device for producing at least partially closed hollow sections of a
  • Circuit board by a U-O-forming with a tool comprising at least one U-punch and at least one upper die in a first mold half.
  • the invention relates to a process for the preparation of at least partially
  • At least partially closed hollow sections are often used in the automotive industry to replace open and welded profiles.
  • Forming resulting number of forming steps precludes an economical way of manufacturing.
  • the standard U-O forming process requires at least two forming steps, whereby each forming step is carried out separately in one or more presses and the component is passed between the workstations. With a favorable design, although a finished part can be produced per press stroke, but this requires
  • German Laid-Open Publication DE 10 2007 021 798 A1 is a device for producing at least
  • the cycle time achievable by this device is in need of improvement, since a finished part is produced only with every second press stroke.
  • the present invention is based on the object, an apparatus and a method for producing at least partially closed
  • the object is achieved by a device, at least two identical, at least partially U-shaped dies are provided in a second mold half, the U-punch and the upper die of the first mold half when closing the tool simultaneously with each an at least partially U-shaped die are engaged, the
  • Rotation axis are arranged rotationally symmetrical and the first and the second mold half are rotatable relative to each other about this axis of rotation, so that by rotation of the first and / or the second mold half of the U-punch and the upper die each with the first or the second at least partially U- shaped die can be engaged.
  • the device according to the invention has in a tool each rotationally symmetrical arranged mold elements for performing a U-forming a planar board and an O-forming an at least partially U-shaped board to a finished at least partially closed hollow profile in both mold halves. It makes it possible, for example, by a simple rotation of the first mold half
  • the inventive device can thereby continue
  • Molded half is fixed, wherein the first or the second mold half on a to the
  • Rotary axis rotatable mounting plate is arranged.
  • Mounting plate which is rotatably mounted about the rotation axis arranged. This has the advantage that the costs for the production of the device are kept low and beyond wear-prone, moving parts of the
  • both mold halves rotatably mounted on a respective mounting plate for example by halving the
  • Hollow profiles may preferably be provided a Kernzugvorraum for each die of the second mold half.
  • the Kernzugvorraum allows easy insertion of a support core in the at least partially U-shaped formed board before the O-forming to a partially closed hollow profile.
  • the device according to the invention can be further improved in that downholders are associated with the U-punch in the first mold half. Hold-downs are particularly needed to control the material intake in the manufacture of an at least partially U-shaped board.
  • the at least partially U-shaped device can be further improved in that downholders are associated with the U-punch in the first mold half. Hold-downs are particularly needed to control the material intake in the manufacture of an at least partially U-shaped board.
  • Hollow sections corresponds to the maximum length of a U-leg of the at least partially U-shaped formed board prior to their O-forming. These side walls of the at least partially U-shaped dies allow a deformation of the at least partially U-shaped board with higher process reliability in the subsequent O-forming, since with these the
  • Threading process of the legs of the at least partially U-shaped board is improved in the upper die.
  • the capacity of the device can be increased, that the first tool half a plurality of pairs and rotationally symmetrical to each axis of rotation
  • partially U-shaped dies In other words, in a tool half of the device, for example, two rotatable part tools, each with a U-punch and each have a top die be present. In conjunction with the opposing identical dies arranged then two finished shaped, at least partially closed hollow profiles can be produced with each stroke.
  • the capacity of the device can thus be doubled, for example.
  • the object indicated above is achieved by a method which uses the device according to the invention and comprises the following steps:
  • next closing stroke are equipped with parts to be reshaped.
  • parts to be reshaped due to the simple construction of the
  • the cost of the method correspondingly low.
  • Rotated rotation axis It is particularly advantageous if one of the tool halves is designed to be stationary, so that the drives for carrying out the rotation can be dispensed with. In this case, the other drives are not needed and reduces the expenditure on equipment. It is also conceivable, as already stated, that both
  • Rotation axis are rotated in opposite directions, to re-engage with each other, the rotation angle of both
  • the O-forming can be designed in accordance with a further refinement process more reliable that before
  • a support core in the respective at least partially U-shaped board is positioned in the second mold half. After the extrusion, the support core is removed again from the finished molded hollow profile, which is at least partially closed.
  • the at least partially U-shaped dies on laterally displaceable portions of the side walls with Einlaufrundungen and move when closing the mold halves the at least partially U-shaped dies on laterally displaceable portions of the side walls with Einlaufrundungen and move when closing the mold halves
  • Processing steps are carried out in the device according to the invention to produce the at least partially closed hollow profile.
  • Fig. 11 and 12 is a schematic plan view of the
  • FIGS. 1 to 9 show in a schematic
  • the tool 3 has two tool halves 6, 8, wherein in the first
  • Tool half 6 a U-punch 4 and a top die 5
  • the second mold half 8 has two identical at least partially U-shaped dies 7, which together with the U-punch 4 and the upper dies 5 of the first mold half rotationally symmetrical to
  • Rotation axis 9 are arranged.
  • the U-punch 4 and the upper die 5 are at a
  • Downholder 11 is provided, via which the material flow of the board during the U-forming can be controlled and which fix the board 2 during the deformation.
  • Tool half 6 are arranged, is rotatable about the
  • Control material flow during forming by setting a corresponding contact force. After reaching the end position, the tool opens again until the
  • Tool halves 6, 8 can be rotated against each other. A rotation of the first tool half 6, as it is in
  • present rotation example 9 allows the positioning of the U-punch 4 above a board 12, which has been inserted in the second at least partially U-shaped die 7 of the mold half 8.
  • a support core 13 is not shown on a
  • Kernzugvortechnische introduced into the now at least partially U-shaped formed plate 2 in the first at least partially U-shaped die of the second mold half 8. Subsequently, a renewed closing movement of the
  • Figure 5 shows the embodiment of the device in the open state.
  • the partially closed hollow profile 2 can be removed from the opened tool 3, as in FIG. 6
  • Tool half 8 is rotated so that the U-punch 4, the newly inserted board 17 during the next closing process to form an at least partially U-shaped board, Fig. 9.
  • the second tool half 8 ' comprises a total of four identical at least partially U-shaped dies 7', which are used for U-O-forming.
  • the device 1 'shown in Figure 10 is therefore characterized by a twice as high capacity as the device shown in Figures 1 to 9 from.
  • FIGS. 11 and 12 the threading process using the laterally displaceable subregions 20 of the side walls of the at least partially U-shaped dies 7 in the case of the O-forming is illustrated.
  • the upper die 5 has
  • the side walls of the at least partially egg-shaped ⁇ die 7 for this purpose have a height of at least half the maximum, the rolled side wall length of the hollow profile, that one leg of the at least partial U-profile. Overall, this can be a process-safe method for producing at least partially closed hollow sections with low cycle times and

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Abstract

L'invention concerne un dispositif pour fabriquer des profilés creux au moins partiellement fermés à partir d'un flan par formage en U-O au moyen d'un outil comprenant au moins un poinçon en U et au moins une matrice supérieure dans une première moitié d'outil. L'invention vise à proposer un dispositif et un procédé pour fabriquer des profilés creux au moins partiellement fermés à partir d'un flan, ce dispositif et ce procédé devant garantir la fabrication de profilés correspondants avec un temps de cycle réduit et une sécurité de processus élevée. À cet effet, le dispositif selon l'invention est caractérisé en ce qu'au moins deux matrices au moins partiellement en U identiques sont placées dans une seconde moitié d'outil, en ce que le poinçon en U et la matrice supérieure de la première moitié d'outil sont en prise simultanément avec une matrice au moins partiellement en U respective lorsque l'outil est fermé, en ce que le ou les poinçons en U et la ou les matrices supérieures de la première moitié d'outil et les matrices au moins partiellement en U de la seconde moitié d'outil sont disposés de manière à présenter une symétrie de révolution par rapport à un axe de rotation s'étendant dans le sens de fermeture de l'outil, et en ce que la première et la seconde moitié d'outil peuvent tourner l'une par rapport à l'autre autour de cet axe de rotation de sorte que le poinçon en U et la matrice supérieure puissent être en prise respectivement avec la première ou la deuxième matrice au moins partiellement en U par une rotation de la première et/ou de la seconde moitié d'outil.
EP11755339.6A 2010-09-14 2011-09-12 Dispositif et procédé pour fabriquer des profilés creux au moins partiellement fermés au moyen de demi-matrices rotatives avec un temps de cycle réduit Not-in-force EP2616197B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010037534A DE102010037534A1 (de) 2010-09-14 2010-09-14 Vorrichtung und Verfahren zur Herstellung von zumindest teilweise geschlossenen Hohlprofilen mit drehbaren Gesenkhälften und geringer Taktzeit
PCT/EP2011/065726 WO2012034967A1 (fr) 2010-09-14 2011-09-12 Dispositif et procédé pour fabriquer des profilés creux au moins partiellement fermés au moyen de demi-matrices rotatives avec un temps de cycle réduit

Publications (2)

Publication Number Publication Date
EP2616197A1 true EP2616197A1 (fr) 2013-07-24
EP2616197B1 EP2616197B1 (fr) 2014-03-12

Family

ID=44645716

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11755339.6A Not-in-force EP2616197B1 (fr) 2010-09-14 2011-09-12 Dispositif et procédé pour fabriquer des profilés creux au moins partiellement fermés au moyen de demi-matrices rotatives avec un temps de cycle réduit

Country Status (8)

Country Link
US (1) US9993860B2 (fr)
EP (1) EP2616197B1 (fr)
JP (1) JP5530036B2 (fr)
KR (1) KR101690707B1 (fr)
CN (1) CN103153498B (fr)
DE (1) DE102010037534A1 (fr)
ES (1) ES2471090T3 (fr)
WO (1) WO2012034967A1 (fr)

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DE102010037533A1 (de) * 2010-09-14 2012-03-15 Thyssenkrupp Steel Europe Ag Vorrichtung und Verfahren zur Herstellung zumindest teilweise geschlossener Hohlprofile mit geringer Taktzeit
CN103801596B (zh) * 2013-10-22 2016-04-27 北京航星机器制造有限公司 一种大尺寸钛合金筒体类零件整体热卷圆方法及其模具
CN103736849B (zh) * 2013-12-20 2016-08-17 张家港市隆旌汽车零部件有限公司 收割机拾取器机爪的冲压模具组
DE102014004329A1 (de) * 2014-03-26 2015-10-01 Ulrich Bruhnke Verfahren und Vorrichtung zum Bearbeiten von stranggepessten Profilabschnitten aus Magnesium oder Magnesiumlegierungen und ein daraus hergestelltes Leichtbauelement
CN103962431A (zh) * 2014-05-12 2014-08-06 滁州丽普新型建材有限公司 一种水泥电杆圆环形钢板圈冲压机
CN105149444B (zh) * 2015-08-21 2017-05-10 哈尔滨建成集团有限公司 一种悬浮式芯模连续冲压u形卷圆筒的模具
CN105689540A (zh) * 2015-10-27 2016-06-22 怀宁汉升车辆部件有限公司 一种卷制合金衬套的弯曲级进模具
DE102016102322B4 (de) * 2016-02-10 2017-10-12 Voestalpine Metal Forming Gmbh Verfahren und Vorrichtung zum Erzeugen gehärteter Stahlbauteile
CN105798083B (zh) * 2016-05-16 2018-06-26 中铁十九局集团第七工程有限公司 隧道钢板止水带弯曲机
DE102016219706A1 (de) * 2016-10-11 2018-04-12 Sms Group Gmbh Formpresse mit Biegeschwert
EP3450041B1 (fr) 2017-08-29 2023-04-12 Autotech Engineering Deutschland GmbH Procédé de fabrication d'un corps creux tubulaire à partir d'une platine métallique découpée et partie de châssis ou de carrosserie pourvue du corps creux issu du procédé
BR102019013355A2 (pt) * 2019-06-27 2021-01-05 Randon S A Implementos E Participacoes ferramenta, processo e sistema de fabricação de cilindro a partir de chapa, eixo veicular e cilindro a partir de chapa
CN110479862B (zh) * 2019-08-03 2021-02-26 上海意称液压系统有限公司 一种液压成型设备
CN111069362A (zh) * 2019-12-27 2020-04-28 舆软科技(上海)有限责任公司 一种管状零件的成形方法
CN111745017B (zh) * 2020-07-02 2022-01-11 永清县鑫海金塑有限公司 一种双工位钣金冲压方法
CN113000641B (zh) * 2021-02-09 2022-11-04 沈阳和世泰通用钛业有限公司 钛合金方管一体化成型装置及方法
CN113426859B (zh) * 2021-08-25 2021-11-12 南通市正中钢管有限公司 一种金属板卷绕制管装置
CN114260383A (zh) * 2021-12-23 2022-04-01 北京航空航天大学 一种具有局部大特征管件的成形方法

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Also Published As

Publication number Publication date
DE102010037534A1 (de) 2012-03-15
US20130186165A1 (en) 2013-07-25
JP5530036B2 (ja) 2014-06-25
KR20130100287A (ko) 2013-09-10
ES2471090T3 (es) 2014-06-25
JP2013537112A (ja) 2013-09-30
KR101690707B1 (ko) 2016-12-28
US9993860B2 (en) 2018-06-12
CN103153498A (zh) 2013-06-12
CN103153498B (zh) 2014-09-17
EP2616197B1 (fr) 2014-03-12
WO2012034967A1 (fr) 2012-03-22

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