EP1984131A2 - Rolling tool with integrated drawing stage - Google Patents
Rolling tool with integrated drawing stageInfo
- Publication number
- EP1984131A2 EP1984131A2 EP07711179A EP07711179A EP1984131A2 EP 1984131 A2 EP1984131 A2 EP 1984131A2 EP 07711179 A EP07711179 A EP 07711179A EP 07711179 A EP07711179 A EP 07711179A EP 1984131 A2 EP1984131 A2 EP 1984131A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- tool
- profile
- workpiece
- rollumformverfahren
- profile rollers
- 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
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
- 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.
- DE 20 17 709 A1 discloses a suitable method.
- a special rolling tool makes it possible to produce the workpiece from a blank having a smooth outer contour by means of a press, with each press stroke forming 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 ümfanges 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 Ümfanges of the workpiece.
- the individual grooves produced by the respective profile rollers are virtually identical to one another. In particular, a paragraph-free contour is achieved.
- a further disadvantage in the embodiment described above lies in the structural design of the profile roller support via the support rollers. Although this design allows a reduced profile roller diameter, but is structurally very complex and costly due to the arrangement of the support rollers intensive. In addition, this results in a large height of the tool.
- the invention has for its object to develop a method and a tool in which both the forming of a board to a blank, as well as the roll forming takes place on the blank in a common device during a press stroke.
- the height of the tool should be reduced by a new type of roller bearing profile.
- the invention is based on the idea to use the downward stroke of a forming press for a combined forming process, consists of deep drawing and Rollumformen within a tool. It has the advantageous effect that the height of the tool part, which is provided for the roll forming, is significantly reduced by a novel profile roller bearing.
- the storage of the profile rolls consists of two halves of the bearing shell, which surround the profile rolls on the predominant part of the circumference of the profile rolls. On the workpiece side facing the profile rollers and the bearing shell halves protrude. Between the profile rollers and the bearing shells lubricant is introduced via a pressure lubrication.
- 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 punch upper part 2, which is fixedly connected to the plunger 4 and a punch base 3, which is vertically movable via the lifting unit 5.
- FIG. 2 shows a position during the roll forming process.
- 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 distributed around the circumference of the roller unit 7.
- the blank 10 is now passed by the vertical downward movement of the plunger 4 with the punch upper part 2 of the profile rollers and thereby receives the resulting from the arrangement of the profile rollers L Lucassnutenprofil on the outer diameter.
- 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 envelops the profile rollers 13 and, in the area in which the profile rollers 13 engage the blank 10, emerges from the bearing shells and is supplied 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 upper punch part 2 back up, while the finished formed workpiece is also driven by the lifting unit 5 upwards. Subsequently, the workpiece 10 can be gripped by an automation device and transported further. After a new board 8 is inserted into the tool 1 according to the invention, the combined drawing and roll forming can start anew.
- 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)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006007501A DE102006007501A1 (en) | 2006-02-16 | 2006-02-16 | Rolling tool with integrated drawing stage |
PCT/DE2007/000264 WO2007093159A2 (en) | 2006-02-16 | 2007-02-09 | Rolling tool with integrated drawing stage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1984131A2 true EP1984131A2 (en) | 2008-10-29 |
EP1984131B1 EP1984131B1 (en) | 2011-04-27 |
Family
ID=38048048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07711179A Not-in-force EP1984131B1 (en) | 2006-02-16 | 2007-02-09 | Rolling tool with integrated drawing stage |
Country Status (6)
Country | Link |
---|---|
US (1) | US7743637B2 (en) |
EP (1) | EP1984131B1 (en) |
AT (1) | ATE507018T1 (en) |
CA (1) | CA2640673C (en) |
DE (2) | DE102006007501A1 (en) |
WO (1) | WO2007093159A2 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8093423B2 (en) | 2003-02-19 | 2012-01-10 | Globoasia, Llc | Pharmaceutical-grade ferric organic compounds, uses thereof and method of making same |
DE102008017608B3 (en) * | 2008-04-06 | 2009-04-30 | Aweba Werkzeugbau Gmbh Aue | Internally and externally toothed cup-shaped sheet metal part e.g. cup shaped clutch plate support, producing method for use in forming press, involves adjusting target profile at open end of sheet metal parts by pressure discharge |
DE102010053547A1 (en) * | 2010-12-04 | 2012-06-06 | Form Technology Gmbh | Method and device for producing an internally and externally toothed cup-shaped sheet metal part |
DE102011013016A1 (en) | 2011-03-03 | 2012-09-06 | Schuler Cartec Gmbh & Co. Kg | Device for machining of work pieces using roll forming method, particularly roll forming device, has multiple forming rolls, which are arranged on periphery of passage |
DE102011109135A1 (en) * | 2011-08-02 | 2013-02-07 | Gottfried Wilhelm Leibniz Universität Hannover | Method for producing a component and combined forming tool therefor |
JP5569495B2 (en) * | 2011-09-30 | 2014-08-13 | アイシン・エィ・ダブリュ株式会社 | Manufacturing method and manufacturing apparatus for cup-shaped parts |
DE102015009733A1 (en) | 2015-07-31 | 2017-02-02 | Transform Automotive LLC, Inc. | Method for rolling disc carriers or the like and a profile roller set used for this purpose |
CN106180404B (en) * | 2016-08-02 | 2017-11-28 | 哈尔滨工程大学 | A kind of pressed metal elastomeric material mould |
US20180036791A1 (en) * | 2016-08-04 | 2018-02-08 | Schaeffler Technologies AG & Co. KG | Tool and method for forming surface features onto a workpiece |
CN113042604A (en) * | 2021-04-23 | 2021-06-29 | 中北大学 | Labor-saving thinning and stretching method adopting roller structure |
CN113275456B (en) * | 2021-05-19 | 2022-04-26 | 温州理工学院 | Mechanical housing automated processing equipment with high intellectuality |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2145125A (en) * | 1936-10-06 | 1939-01-24 | Mark E Moore | Can forming machine |
US2751872A (en) * | 1951-10-12 | 1956-06-26 | Western Electric Co | Drawing and indenting die |
US3360157A (en) * | 1965-05-04 | 1967-12-26 | American Can Co | Method of forming a coated metal container and article produced thereby |
US3572271A (en) * | 1968-05-23 | 1971-03-23 | Dayton Reliable Tool & Mfg Co | Fabrication of can bodies with integral bottom walls |
DE2017709A1 (en) | 1970-04-14 | 1971-11-04 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Tool for rolling in longitudinal grooves in cylindrical workpieces |
US3796106A (en) * | 1971-06-29 | 1974-03-12 | Borg Warner | Method and apparatus for making sprockets and/or gears |
US3733880A (en) * | 1971-12-15 | 1973-05-22 | Continental Can Co | Apparatus for and method of facilitating the stripping of cans from a punch and the article formed thereby |
US3796085A (en) * | 1972-10-24 | 1974-03-12 | H Fisher | Method for making sprockets and/or gears |
US3983733A (en) * | 1975-04-28 | 1976-10-05 | Davis Richard P | Die for forming cans |
US5524465A (en) * | 1991-03-29 | 1996-06-11 | Hitachi, Ltd. | Work rolls crossing type mill, rolling system and rolling method |
DE19531907A1 (en) * | 1995-08-30 | 1997-03-06 | Schuler Pressen Gmbh & Co | Device and method for producing profiled bodies |
FI101458B1 (en) * | 1996-03-15 | 1998-06-30 | Outokumpu Copper Products Oy | Pipe wall editing tool |
JPH09276979A (en) * | 1996-04-15 | 1997-10-28 | Mitsubishi Steel Mfg Co Ltd | Metallic mold for forming spline |
DE19639081C2 (en) * | 1996-09-24 | 2003-06-18 | Herzing & Schroth Gmbh & Co Kg | Device for producing a workpiece with a cylindrical profiled wall |
US6622570B1 (en) * | 2000-03-01 | 2003-09-23 | Surface Technology Holdings Ltd. | Method for reducing tensile stress zones in the surface of a part |
JP4550226B2 (en) * | 2000-06-06 | 2010-09-22 | 古河電気工業株式会社 | Internal grooved pipe manufacturing equipment |
US6250120B1 (en) * | 2000-06-27 | 2001-06-26 | Morgan Construction Company | Apparatus for rotatably supporting the neck of a roll in a rolling mill |
JP2003191025A (en) * | 2001-12-21 | 2003-07-08 | Toyota Motor Corp | Device and method for forming side surface of work |
DE10317506C5 (en) * | 2003-04-16 | 2008-05-15 | Daimler Ag | A method of manufacturing a hollow workpiece and a hollow workpiece produced by the method |
-
2006
- 2006-02-16 DE DE102006007501A patent/DE102006007501A1/en not_active Withdrawn
-
2007
- 2007-02-09 CA CA2640673A patent/CA2640673C/en not_active Expired - Fee Related
- 2007-02-09 DE DE502007007051T patent/DE502007007051D1/en active Active
- 2007-02-09 AT AT07711179T patent/ATE507018T1/en active
- 2007-02-09 EP EP07711179A patent/EP1984131B1/en not_active Not-in-force
- 2007-02-09 WO PCT/DE2007/000264 patent/WO2007093159A2/en active Application Filing
-
2008
- 2008-08-07 US US12/187,509 patent/US7743637B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2007093159A2 * |
Also Published As
Publication number | Publication date |
---|---|
CA2640673A1 (en) | 2007-08-23 |
US7743637B2 (en) | 2010-06-29 |
WO2007093159A2 (en) | 2007-08-23 |
US20090049880A1 (en) | 2009-02-26 |
DE502007007051D1 (en) | 2011-06-09 |
ATE507018T1 (en) | 2011-05-15 |
EP1984131B1 (en) | 2011-04-27 |
CA2640673C (en) | 2013-07-02 |
DE102006007501A1 (en) | 2007-08-23 |
WO2007093159A3 (en) | 2007-12-21 |
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