EP2497582A1 - Dispositif de laminage pour la déformation d'un matériau métallique en forme de bande - Google Patents

Dispositif de laminage pour la déformation d'un matériau métallique en forme de bande Download PDF

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Publication number
EP2497582A1
EP2497582A1 EP12152087A EP12152087A EP2497582A1 EP 2497582 A1 EP2497582 A1 EP 2497582A1 EP 12152087 A EP12152087 A EP 12152087A EP 12152087 A EP12152087 A EP 12152087A EP 2497582 A1 EP2497582 A1 EP 2497582A1
Authority
EP
European Patent Office
Prior art keywords
roller
forming
elements
roll
counter
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
EP12152087A
Other languages
German (de)
English (en)
Other versions
EP2497582B1 (fr
Inventor
Christoph Wiedner
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.)
Hilti AG
Original Assignee
Hilti 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 Hilti AG filed Critical Hilti AG
Publication of EP2497582A1 publication Critical patent/EP2497582A1/fr
Application granted granted Critical
Publication of EP2497582B1 publication Critical patent/EP2497582B1/fr
Active 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
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H8/00—Rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects, e.g. checkered 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
    • B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
    • B21D17/04—Forming single grooves in sheet metal or tubular or hollow articles by rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H8/00—Rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects, e.g. checkered sheets
    • B21H8/02—Rolls of special shape

Definitions

  • the invention relates to a Rollenumformerie issued for reshaping or marking a provided with geometric elements, in particular holes, material according to the preamble of claim 1.
  • Such Rollenumformerie is formed with at least one forming roller and at least one counter element, in particular a counter-roller or a counter table, wherein between the forming roller and the mating element is formed a nip for passing the material, and wherein the forming roller has on its lateral surface a Abform Quilt, which forms when passing through the material through the nip on the material.
  • the further geometric elements produced by the sheet metal forming press undergo the downstream roll forming system. Under certain circumstances, this can result in the further geometric elements being deformed by the subsequent forming operation on the roll forming system.
  • this process chain can limit the freedom of geometry for the additional geometric elements to be introduced, since the further geometric elements for unimpeded passage require corresponding free spaces in the subsequent roller sets on the roll forming system, which is not always possible.
  • the object of the invention is to provide a Rollenumform adopted for forming an elongated metal material, which provides a particularly large amount of freedom geometry available and which allows it in a particularly simple and reliable way to form geometric elements such as embossing, bags, etc. particularly precise.
  • a roll forming device for reshaping or marking a material provided with geometric elements is characterized in that the forming roller has entrainment elements for engagement with the geometric elements, in particular for engagement with the geometric elements of the material passing through the roll nip.
  • a first basic idea of the invention can be seen not to produce the further geometric elements by means of the sheet metal forming press, but to introduce them by a rolling process which can be carried out on a roll forming machine following the sheet metal forming press.
  • this method allows the further geometry elements to be introduced only after the forming steps which would produce a deformation of these elements, so that the further geometric elements can be shaped particularly precisely with a particularly high freedom of geometry.
  • the invention has further recognized that introducing the further geometric elements by means of a driven forming roller running at a constant rotational speed may under certain circumstances bring about an unsatisfactory result.
  • a fluctuating elongation and resulting deviation in the desired rail length is often corrected by an adjustment of the feed to the press, which can lead to variations in the distance of the holes to each other. If in this case a constant rotational speed were used, the variations in the spacing of the holes would lead to an undesired displacement of the further geometric elements to the holes.
  • the invention teaches to provide a drive-free, that is not provided with a drive Umformrolle having driver elements that can engage the first geometric elements, ie in particular the holes, so that the forming roller entrained by the holes in the metal material becomes.
  • the driver elements bring about by contact between the driver element and the trailing edge in the rolling direction of the respective hole a rotation of the entire forming roller according to the passage speed of the material.
  • a mechanical synchronization of the forming roller with the previously introduced hole pattern is realized in a particularly simple manner, which reliably ensures a defined position of the introduced further geometric element to an edge of the hole, without a complex measurement and control technology is required.
  • a plurality of rollers designed according to the invention can also be provided, which can then each interact with a counter-roller.
  • the material may in particular be a metallic material, a flat material and / or a strip material, preferably a sheet metal strip.
  • the driver elements are expediently pin-shaped.
  • the roller forming device is used for reshaping a material provided with a multiplicity of identical geometric elements.
  • the geometric elements are preferably arranged at least approximately equidistantly on the material.
  • the geometry elements may preferably be holes, in particular elongated holes, which extend in the rolling direction.
  • the features may be e.g. also superscript tabs, lateral recesses or notches, be sharp-edged pockets or folds.
  • the invention can advantageously be used in any application in which a subsequent introduction of not freely positionable further geometric elements in a band-shaped material is required, in which a previous process step has already introduced first geometric elements at which catch the inventive forming roller on the driver elements and can synchronize.
  • the driver elements are provided according to the invention in addition to the impression structure. According to the invention, the material provided with the first geometric elements is fed to the roll-converting device, where it is then provided with the further geometric elements by the impression structure.
  • the driver elements are arranged on the lateral surface of the forming roller. This makes it possible, with the forming roller in the areas which are located between the first geometric elements to form further geometric elements.
  • the counter-roller has at least one recess for the driver elements. As a result, reliable operation is possible even with very long driver elements.
  • a further preferred embodiment of the invention is that the counter-roller is mechanically coupled to the forming roller, so that a rotation of the forming roller causes a rotation of the counter-roller.
  • a coupling can be realized for example via gears which are mounted on the front side of the two rollers.
  • the counter-roller may have on its lateral surface an impression structure which, as the material passes through the roller gap, molds it onto the material.
  • geometry elements can be introduced on the material from both sides, so that the freedom of geometry is further increased.
  • the forming roller has at least one passage angle position, in which the forming roller, in particular on its impression structure and on its driver elements, is spaced from the material passing through the roll gap. In this passage angle position, the forming roller is located neither on their impression structure nor on their driver elements in contact with the material passing through.
  • Such a configuration of the forming roller makes it possible to stop or at least slow down the roll rotation in a second manner while the material continues to be moved through the roll gap at a continuous feed rate.
  • the roll forming device according to the invention can also be advantageously used in materials in which the spacings of the first geometric elements, ie in particular the hole spacings, vary over time.
  • a passage angle position in which the forming roller is spaced from the material passing through the nip, can be provided, for example, in that the driver elements are smaller in dimension in the rolling direction than the hole length.
  • a passage of the material relative to the roller may be possible when the driver elements are in the hole, ie in the time interval in which the driver element travels in the hole through the hole.
  • the passage angle position can also be achieved by a sufficiently large Angular spacing of adjacent projections on the lateral surface of the forming roll can be realized.
  • a brake is provided for braking the forming roller.
  • Such a brake can ensure, for example, that the Umformrolle brakes after the unthreading of a driver element from a hole and / or upon reaching the passage angle position continues to rotate unabated due to their inertia, so that, for example, an uncontrolled striking the subsequent driver element in the hole and / or an unwanted premature Intervention of the subsequent impression structure can be prevented.
  • a further preferred embodiment of the invention is that at least one of the driver elements has at its tip a friction reducer for reducing the friction between the driver element and the material.
  • the friction reducer may, for example, comprise at least one sliding element or at least one roller.
  • the forming roller is designed in several parts with at least one first roller part, on which at least a part of the impression structure is arranged, and with at least one second roller part, on which at least a part of the driver elements is arranged, wherein the first roller part and the second roller part are rotatable relative to each other.
  • the two roller parts can be rotated relative to one another about the axis of rotation of the forming roller.
  • the two roller parts may in particular be disc-shaped.
  • the forming roller can also have more than two relatively rotatable roller parts.
  • the invention also relates to a device for forming a material, comprising a device, in particular a press, for introducing geometric elements into the material, and a roller-forming device according to the invention for reshaping the material provided with the geometric elements.
  • the press may be a punch press.
  • the roll forming device according to the invention is downstream of the punch press process.
  • the Rollenumform nails may also have other forming rollers, in particular bending rollers, and be part of a roll forming.
  • the inventive device is preferably used for the production of installation rails.
  • the invention may also comprise a forming arrangement consisting of a material provided with geometric elements according to the invention and the roll forming device according to the invention for forming the material provided with the geometric elements.
  • FIG. 1 The apparatus comprises a straightening machine 80, a press 81 for introducing a plurality of similar geometry elements 7, in particular holes, into the material 6, a roll forming device 82 according to the invention and a separating device 83 for cutting the material 6 to length on.
  • the leveler 80, the press 81, the Rollenumform Sk 82 and the separator 83 are arranged in this order processively behind each other and are run through by the material 6 in this order.
  • a roll conversion device for example for use in a device according to FIG. 1 is in the FIGS. 2 and 3 shown, wherein the Rollenumform Stud not only the rollers shown but also other roles, in particular bending rollers may have.
  • the in the FIGS. 2 and 3 shown Rollenumform driving has a forming roller 5, which is rotatable about a rotation axis 21. Further, the Rollenumform engaged on a counter-roller 12, which corresponds to the structure of the required forming pressure with the forming roller 5, and which is rotatable about a parallel to the axis of rotation 21 of the forming roller extending axis of rotation. Between the forming roller 5 and the counter-roller 12, a roller gap 20 is formed, through which the band-shaped material 6 is passed.
  • the forming roller 5 is formed in three parts and has two disc-shaped first roller parts 1, 1 'and between the roller parts 1, 1' arranged disc-shaped second roller part 2.
  • the counter-roller 12 has in its outer surface an annular groove-shaped recess 13 which corresponds to the driver elements 3.
  • 20 engage in the region of the nip 20 driver elements 3 of the forming roller 5 formed as a hole geometry elements 7 of the band-shaped material 6 a.
  • the material 6 is moved in the rolling direction 30 through the nip 20, so drag in the rolling direction 30 trailing edges 10 of the holes 7 with the driver elements 3, whereby the forming roller 5 is offset in a synchronized with the hole pattern rotation about the rotation axis 21.
  • the impression structure 4 located on the forming roller 5 brings the desired further geometric elements 9 to a constant and defined position relative to the edge 10 of the hole 7 trailing in the rolling direction.
  • the forming roller 5 is designed so that at certain passage angle positions with respect to the rotation axis 21 no contact between the forming roller 5 and the band-shaped material 6, so that the rotation of the forming roller 5 can be intermittently slower or stop around the axis of rotation 21, while the Material continuously in the rolling direction 30 continues.
  • the slowed or stopped rotation on the one hand enables a compensation of possible fluctuations in the spacing of the geometry elements 7 formed as holes, and on the other hand makes it possible to bridge the smaller thickness of the driver elements 3 compared to the hole length.
  • the individual roller parts 1, 1 ', 2 are made rotatable relative to each other about the axis of rotation 21, so that the angular position of the impression structure 4 relative to the driver elements 3 and thus the position of the second geometry elements 9 formed by the forming roller 5 is variable relative to the first geometry elements 7 formed as holes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP12152087.8A 2011-03-11 2012-01-23 Dispositif de laminage pour la déformation d'un matériau métallique en forme de bande Active EP2497582B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011005401A DE102011005401A1 (de) 2011-03-11 2011-03-11 Rollenumformeinrichtung zum Umformen eines bandförmigen Metallmaterials

Publications (2)

Publication Number Publication Date
EP2497582A1 true EP2497582A1 (fr) 2012-09-12
EP2497582B1 EP2497582B1 (fr) 2014-01-01

Family

ID=45655195

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12152087.8A Active EP2497582B1 (fr) 2011-03-11 2012-01-23 Dispositif de laminage pour la déformation d'un matériau métallique en forme de bande

Country Status (5)

Country Link
US (1) US9308573B2 (fr)
EP (1) EP2497582B1 (fr)
CA (1) CA2770707A1 (fr)
DE (1) DE102011005401A1 (fr)
DK (1) DK2497582T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101576127B1 (ko) * 2014-05-29 2015-12-09 한국제이씨씨(주) 집전체 제조장치
CN105499456B (zh) * 2014-10-14 2017-10-24 中国人民解放军军械工程学院 一种金属橡胶滚压成型设备
CN107824670B (zh) * 2017-09-20 2019-01-18 重庆市璧山区强顺机械有限公司 用于配件冲压的方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047417A (en) * 1975-10-16 1977-09-13 Johns-Manville Corporation Deeply embossed sheet product and method and apparatus for the production thereof
US4233833A (en) * 1978-06-05 1980-11-18 United States Gypsum Company Method for stretching sheet metal and structural members formed therefrom
EP0040316A1 (fr) * 1980-05-16 1981-11-25 Kurt Held Procédé de profilage de bandes métalliques, notamment de bandes dans une presse à doubles bandes
DE19818234A1 (de) * 1998-04-23 1999-10-28 Volkswagen Ag Rollprofiliereinrichtung zur Herstellung von Roll- oder Walzprofilelementen
EP1847340A1 (fr) * 2006-04-20 2007-10-24 HILTI Aktiengesellschaft Profilé longitudinal ouvert

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2346163A (en) * 1941-07-05 1944-04-11 Standard Register Co Combination roll and interchangeable wheel
US2782487A (en) * 1950-05-12 1957-02-26 Properzi Ilario Device for making metal pellets, particularly for shotguns
US2754581A (en) * 1954-01-21 1956-07-17 Rigidized Metals Corp Method of producing ornamental metallic sheets
US3613427A (en) * 1969-04-28 1971-10-19 Aluminum Co Of America Forming die structure
JPS5319967A (en) * 1976-08-07 1978-02-23 Toyota Motor Co Ltd Roll processing device
DE3835460A1 (de) * 1988-10-18 1990-04-19 Schloemann Siemag Ag Verfahren und vorrichtung zur kuehlung und schmierung spanlos umgeformter metalle, insbesondere zur kuehlung und schmierung von walzen und walzgut beim kaltwalzen in einem walzgeruest
US5395028A (en) * 1992-11-18 1995-03-07 Sony Electronics, Inc. Apparatus for transporting thin metal sheets longitudinally with transverse tension
US8033973B1 (en) * 2007-01-19 2011-10-11 Evans Daniel R Pin wheel roller assembly
DK2025420T3 (da) * 2007-08-16 2012-06-25 Hilti Ag Fremgangsmåde til at reducere tykkelsen af et valseprodukt i ét stykke

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047417A (en) * 1975-10-16 1977-09-13 Johns-Manville Corporation Deeply embossed sheet product and method and apparatus for the production thereof
US4233833A (en) * 1978-06-05 1980-11-18 United States Gypsum Company Method for stretching sheet metal and structural members formed therefrom
EP0040316A1 (fr) * 1980-05-16 1981-11-25 Kurt Held Procédé de profilage de bandes métalliques, notamment de bandes dans une presse à doubles bandes
DE19818234A1 (de) * 1998-04-23 1999-10-28 Volkswagen Ag Rollprofiliereinrichtung zur Herstellung von Roll- oder Walzprofilelementen
EP1847340A1 (fr) * 2006-04-20 2007-10-24 HILTI Aktiengesellschaft Profilé longitudinal ouvert

Also Published As

Publication number Publication date
EP2497582B1 (fr) 2014-01-01
DE102011005401A1 (de) 2012-09-13
CA2770707A1 (fr) 2012-09-11
US20120234064A1 (en) 2012-09-20
US9308573B2 (en) 2016-04-12
DK2497582T3 (da) 2014-03-10

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