EP1984131B1 - Outil à rouler à emboutissage intégré - Google Patents

Outil à rouler à emboutissage intégré Download PDF

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Publication number
EP1984131B1
EP1984131B1 EP07711179A EP07711179A EP1984131B1 EP 1984131 B1 EP1984131 B1 EP 1984131B1 EP 07711179 A EP07711179 A EP 07711179A EP 07711179 A EP07711179 A EP 07711179A EP 1984131 B1 EP1984131 B1 EP 1984131B1
Authority
EP
European Patent Office
Prior art keywords
profile rollers
forming method
roll
profile
lubricant
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.)
Not-in-force
Application number
EP07711179A
Other languages
German (de)
English (en)
Other versions
EP1984131A2 (fr
Inventor
Dietmar Schlayer
Hans-Joachim Pieperhoff
Frank Beig
Norbert Ziesel
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.)
Mueller Weingarten AG
Original Assignee
Mueller Weingarten 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 Mueller Weingarten AG filed Critical Mueller Weingarten AG
Publication of EP1984131A2 publication Critical patent/EP1984131A2/fr
Application granted granted Critical
Publication of EP1984131B1 publication Critical patent/EP1984131B1/fr
Not-in-force 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
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D15/00—Corrugating tubes
    • B21D15/02—Corrugating tubes longitudinally
    • 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
    • B21D22/28—Deep-drawing of cylindrical articles using consecutive dies

Definitions

  • the invention relates to a rolling method and a tool for the production of cylindrical workpieces, with longitudinal grooves, by means of forming rollers with improved storage.
  • an optional integrated in the tool drawing stage should be upstream of the actual rolling process.
  • profile bodies such as disc carriers of clutches, toothed belt pulleys or similar workpieces with a cylindrical basic structure
  • high accuracies and precision are often required.
  • accuracy and surface quality are important.
  • the workpieces described are high-quality production parts, which are sometimes produced in large quantities. Thus, in addition to the qualitative characteristics, the costs and the output are important criteria in a production plant for such workpieces.
  • a special rolling tool makes it possible to produce the workpiece from a blank having a smooth outer contour by means of a press, wherein each press stroke forms a workpiece from a blank. With each press stroke, a rolling process takes place in which the profile rollers press the desired outer profile into the lateral surface of the workpiece.
  • the profile rollers are arranged in a lower tool along the circumference of the workpiece to be machined. If the workpiece is pressed between the rollers by means of an upper tool fastened to the plunger of the press, these are supported on support rollers with appropriate mounting.
  • the lower tool can be built rotationally symmetrical, wherein the profile of the workpiece generating individual profile rollers are regularly distributed at a uniform angle to each other along the circumference of the workpiece.
  • the disadvantage of the method is that before the rolling process already a contour preformed blank must be present. That is, the blank must be made in a separate forming process, such as a drawing process.
  • Another disadvantage in the embodiment described above is the structural design of the profile roller support on the support rollers. Although this design allows a reduced profile roller diameter, but is structurally very complex and costly by the arrangement of the support rollers. In addition, this results in a large height of the tool.
  • the US 2,751,872 discloses a device for forming a groove on a cup-shaped article.
  • the JP 2003 191 025 discloses a device and a method according to which a workpiece is first cylindrically deformed during a press stroke and then a profile is produced on the circumference of the workpiece by means of profile rollers.
  • the invention has for its object to develop a method and a tool, whereby a quality improvement for the machined with a tool according to the introductory prior art workpieces can be achieved.
  • the bearing shell halves protrude. Between the profile rollers and the bearing shells lubricant is introduced via a pressure lubrication.
  • the two Bearing halves are preferably made solid and only slightly higher in height than the scope of the profile rollers. This makes it possible to attach a draw ring in the upper area of the tool. This drawing ring, together with the stamp upper part, which is firmly connected to the plunger, the task of deep-drawing required for the rolling cylindrical blank from a flat board. This is preferably done without a sheet holder. However, the structure of the tool also allows it to perform the drawing process by means of an additionally installed plate holder.
  • FIG. 1 shows the tool 1 according to the invention in a sectional view.
  • the tool 1 consists of a drawing unit 6 and a roller unit 7.
  • the drawing unit 6 in turn consists of a stamp upper part 2, which is fixedly connected to the plunger 4 and a punch base 3, which is vertically movable on the lifting unit 5.
  • FIG. 1 the position is shown at the beginning of the drawing process.
  • the plunger 4 with the punch base 2 has already moved so far down that the deformation of the board 8 can begin.
  • the board 8 is pulled over the pull ring 9 down.
  • the stamp upper part 3 is displaced downwards. Due to the contour of the punch upper part 2 and by the design of the drawing ring 9 results after the drawing process, a blank 10, which serves as a starting shape for the subsequent Rollumformvorgang.
  • FIG. 2 is a position during the Rollumformvorganges shown.
  • the roller unit 7 with the upper bearing shell 11 and the lower bearing shell 12 can be seen.
  • the two bearing shell halves 11, 12 serve to receive or support the profile rollers 13.
  • These profile rollers 13 are arranged distributed on the circumference of the roller unit 7.
  • the blank 10 is now by the vertical downward movement of the plunger 4 with the.
  • a lubrication connection 14 can be seen at the outer edge of the tool 1 according to the invention.
  • this lubrication connection 14 and via the lubrication line 15 is pressed by means of a pressure lubrication lubricant between the bearing shell halves 11, 12 and the profile rollers.
  • This lubricant surrounds the profile rollers 13 and occurs in the region in which the profile rollers 13 with the raw ling 10 are engaged, from the bearings again and is fed to a lubricant circuit.
  • the lubricant outlet in the area of forming favors the roll forming process and results in a quality improvement of the roller result.
  • the plunger 4 moves with the punch upper part 2 back up, while the finished formed workpiece by means of the lifting unit 5 also upwards gefah ren. Subsequently, the workpiece 10 can be gripped and transported by an automation device. After a new board 8 is inserted into the tool 1 according to the invention, the combined drawing and roll forming can start anew.
  • FIG. 3 the arrangement of the profile rollers 13 can be clearly seen. These are in the circumference, corresponding to the final contour of the workpiece 10, arranged. Also shown is the lower bearing shell 12, in which the profile rollers 13 are stored or guided.
  • the rolling unit 7 can be arranged several times one above the other so as to enable multi-stage roll forming. It is also conceivable that the drawing unit 6 is additionally equipped with a regulated sheet holder.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Metal Extraction Processes (AREA)
  • Metal Rolling (AREA)

Claims (9)

  1. Procédé de fabrication de pièces cylindrique, utilisant un procédé de transformation par roulage selon lequel, on réalise un profil à la périphérie d'une pièce à l'aide de galets profilés (13) installés de manière concentrique,
    procédé selon lequel
    - on réalise une ébauche (10) constituant la forme première pour le procédé de roulage à l'aide d'un procédé de transformation en amont du procédé de roulage, en partant d'une platine plane (8), et
    - on effectue ce procédé de transformation et le procédé de roulage sous le même poussoir (4) au cours de la même course de descente du poussoir,
    procédé caractérisé en ce que
    par un graissage sous pression par l'intermédiaire d'une conduite de graissage (15), on introduit de l'agent lubrifiant entre les moitiés des coupelles de palier (11, 12) des galets de profil (13) et les galets de profil (13) de façon que l'agent de lubrification enveloppe les galets de profil (13) et ressorte des coupelles de palier dans la zone dans laquelle les galets profilés (13) sont en prise avec la pièce (10) et l'agent lubrifiant est reconduit dans le circuit d'agent lubrifiant.
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    le procédé de transformation en amont du procédé de roulage, est un procédé d'emboutissage profond.
  3. Procédé selon les revendications 1 et 2,
    caractérisé en ce que
    le procédé de transformation par roulage qui fait suite au procédé d'emboutissage profond, se compose de plusieurs étapes, c'est-à-dire qu'il est fait à l'aide de plusieurs unités de galets (7) superposées.
  4. Procédé selon l'une ou plusieurs des revendications précédentes 1 à 3,
    caractérisé en ce que
    le procédé d'emboutissage profond et le procédé de transformation par roulage, se font à l'aide d'un outil commun (1).
  5. Outil pour la fabrication de pièces cylindriques utilisant un procédé de transformation par roulage comprenant des galets profilés (13) installés de manière concentrique et à l'aide desquels, on réalise un profil à la périphérie d'une pièce,
    outil dans lequel
    au-dessus d'au moins une unité (7) composée de galets profilés (13) concentriques, il y a une unité d'emboutissage (6) à l'aide de laquelle, on étire la platine (8) avec une partie supérieure de poinçon (2) dans une bague d'étirage (9),
    outil caractérisé par
    - un graissage sous pression réalisé pour introduire de l'agent lubrifiant par une conduite de graissage (15) entre les moitiés de coupelles de palier (11, 12) des galets profilés (13), et dans les galets profilés (13), de façon que l'agent lubrifiant enveloppe les galets profilés (13) et ressorte des coupelles de palier de la zone dans laquelle les galets profilés (13) sont en prise avec l'outil (10) et revienne dans un circuit d'agent lubrifiant.
  6. Outil selon la revendication 5,
    caractérisé en ce que
    la force de compression est exercée par la partie supérieure (2) du poinçon par l'intermédiaire de la platine (8) sur la partie inférieure (3) du poinçon qui est refoulée vers le bas au cours de l'opération de transformation.
  7. Outil selon les revendications 5 et 6,
    caractérisé par
    plusieurs unités à galets (7) superposées.
  8. Outil selon l'une ou plusieurs des revendications 5 à 7,
    caractérisé en ce qu'
    un serre-flan régulé pour transformer la platine (8) est utilisable.
  9. Outil selon l'une ou plusieurs des revendications 5 à 8,
    caractérisé par
    une unité de soulèvement (5) pour soulever la pièce (10) vers le haut après sa transformation.
EP07711179A 2006-02-16 2007-02-09 Outil à rouler à emboutissage intégré Not-in-force EP1984131B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006007501A DE102006007501A1 (de) 2006-02-16 2006-02-16 Rollwerkzeug mit integrierter Ziehstufe
PCT/DE2007/000264 WO2007093159A2 (fr) 2006-02-16 2007-02-09 Outil à rouler à emboutissage intégré

Publications (2)

Publication Number Publication Date
EP1984131A2 EP1984131A2 (fr) 2008-10-29
EP1984131B1 true EP1984131B1 (fr) 2011-04-27

Family

ID=38048048

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07711179A Not-in-force EP1984131B1 (fr) 2006-02-16 2007-02-09 Outil à rouler à emboutissage intégré

Country Status (6)

Country Link
US (1) US7743637B2 (fr)
EP (1) EP1984131B1 (fr)
AT (1) ATE507018T1 (fr)
CA (1) CA2640673C (fr)
DE (2) DE102006007501A1 (fr)
WO (1) WO2007093159A2 (fr)

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US8093423B2 (en) 2003-02-19 2012-01-10 Globoasia, Llc Pharmaceutical-grade ferric organic compounds, uses thereof and method of making same
DE102008017608B3 (de) * 2008-04-06 2009-04-30 Aweba Werkzeugbau Gmbh Aue Verfahren zur Herstellung eines innen- und außenverzahnten topfförmigen Blechteiles und eine Vorrichtung hierzu
DE102010053547A1 (de) * 2010-12-04 2012-06-06 Form Technology Gmbh Verfahren und Vorrichtung zur Herstellung eines innen- und außenverzahnten topfförmigen Blechteils
DE102011013016A1 (de) 2011-03-03 2012-09-06 Schuler Cartec Gmbh & Co. Kg Vorrichtung zur Bearbeitung von Werkstücken unter Verwendung eines Rollumformverfahrens, insbesondere Rollumformvorrichtung
DE102011109135A1 (de) * 2011-08-02 2013-02-07 Gottfried Wilhelm Leibniz Universität Hannover Verfahren zur Herstellung eines Bauteils und kombiniertes Umformwerkzeug dafür
JP5569495B2 (ja) * 2011-09-30 2014-08-13 アイシン・エィ・ダブリュ株式会社 カップ状部品の製造方法及び製造装置
DE102015009733A1 (de) * 2015-07-31 2017-02-02 Transform Automotive LLC, Inc. Verfahren zum Rollen von Lamellenträgern oder dergleichen und ein hierzu verwendeter Profilrollensatz
CN106180404B (zh) * 2016-08-02 2017-11-28 哈尔滨工程大学 一种压制金属橡胶材料模具
US20180036791A1 (en) * 2016-08-04 2018-02-08 Schaeffler Technologies AG & Co. KG Tool and method for forming surface features onto a workpiece
CN113042604A (zh) * 2021-04-23 2021-06-29 中北大学 一种采用滚轴结构的省力变薄拉伸方法
CN113275456B (zh) * 2021-05-19 2022-04-26 温州理工学院 一种具有高度智能化的机械外壳自动化加工设备

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Also Published As

Publication number Publication date
DE502007007051D1 (de) 2011-06-09
DE102006007501A1 (de) 2007-08-23
CA2640673C (fr) 2013-07-02
WO2007093159A2 (fr) 2007-08-23
US20090049880A1 (en) 2009-02-26
EP1984131A2 (fr) 2008-10-29
ATE507018T1 (de) 2011-05-15
CA2640673A1 (fr) 2007-08-23
US7743637B2 (en) 2010-06-29
WO2007093159A3 (fr) 2007-12-21

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