EP0155618A2 - Apparatus for connecting a metal sheet to a perforated metal sheet - Google Patents

Apparatus for connecting a metal sheet to a perforated metal sheet Download PDF

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Publication number
EP0155618A2
EP0155618A2 EP85102776A EP85102776A EP0155618A2 EP 0155618 A2 EP0155618 A2 EP 0155618A2 EP 85102776 A EP85102776 A EP 85102776A EP 85102776 A EP85102776 A EP 85102776A EP 0155618 A2 EP0155618 A2 EP 0155618A2
Authority
EP
European Patent Office
Prior art keywords
sheet
perforation
anvil
punch
die
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
EP85102776A
Other languages
German (de)
French (fr)
Other versions
EP0155618A3 (en
EP0155618B1 (en
Inventor
Gerd-Jürgen Eckold
Hans Maass
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.)
Walter Eckold GmbH and Co KG Vorrichtungs und Geraetebau
Original Assignee
Walter Eckold GmbH and Co KG Vorrichtungs und Geraetebau
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 Walter Eckold GmbH and Co KG Vorrichtungs und Geraetebau filed Critical Walter Eckold GmbH and Co KG Vorrichtungs und Geraetebau
Priority to AT85102776T priority Critical patent/ATE44249T1/en
Publication of EP0155618A2 publication Critical patent/EP0155618A2/en
Publication of EP0155618A3 publication Critical patent/EP0155618A3/en
Application granted granted Critical
Publication of EP0155618B1 publication Critical patent/EP0155618B1/en
Expired legal-status Critical Current

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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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
    • B21D39/031—Joining superposed plates by locally deforming without slitting or piercing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49833—Punching, piercing or reaming part by surface of second part
    • Y10T29/49835—Punching, piercing or reaming part by surface of second part with shaping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49915—Overedge assembling of seated part
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53709—Overedge assembling means

Definitions

  • the invention relates to a device for connecting flat sheets lying one on top of the other, one of which is perforated, in the area of this perforation.
  • a device which has the structural features mentioned in the preamble of claim 1 but is intended for connecting imperforate sheets is known from EU-OS 82 109 043.
  • the support parts of the die are provided with cutting edges at their free ends, which together with the punch serve to cut both sheets.
  • the slug of material standing between the incisions is then pushed through the metal sheets and squeezed onto the anvil by the stem.
  • the object of the invention is to modify this known device in such a way that it can (at least) connect an imperforate sheet to a perforated sheet.
  • the anvil head serves prior to the actual connecting operation as a center pin, the extent to which it projects beyond the free card of the support parts is expediently at most equal to the thickness of the perforated sheet metal so that the other sheet metal can lie snugly on it at the connection point.
  • the stop limiting the evasive movement of the anvil is preferably adjustable for adaptation to different sheet thicknesses.
  • the sheet 12 provided with a perforation at 10 is supported on the support parts 14 of the die before the processing step.
  • the unperforated sheet 16 lies flat on sheet 12.
  • the head 18 of the anvil 20 engages in the perforation, as a result of which the perforation is aligned with respect to the die and - via the press - with respect to the punch 22.
  • the Ambo2 20 is in a recess 24 of the die base 26 is guided with its foot 28 and is pressed outwards by a helical compression spring 30, the collar 32 of the anvil foot 28 facing away from the spring 30 bearing against an inner stop of the base.
  • the other end of the spring 30 is supported on the head 34 by a screw 36 screwed from below into a threaded hole in the base, the shaft 38 of which penetrates the spring and forms a stop for the inward movement of the anvil.
  • the base and the anvil are circular cylindrical, and the support parts 14 together form a hollow cylinder enclosing the anvil; however, they are separated from one another by slots so that their free ends can extend radially while, for example, as shown, their lower ends are integrally formed with the base or otherwise attached to it.
  • the press is actuated, the punch head 40 presses the area of the sheet 16 located above the perfection (here a round hole) through it, the anvil evading the bias of the spring 30, until his foot sits on the screw shaft 38.
  • the material that is pressed through is plastically deformed and flows behind the edges of the perforation, the supporting parts deflecting laterally: FIG. 2.
  • the shape of the anvil 20 'or 20 "and the support parts 14' or 14" is adapted to the contour of other perforations (square or elongated-rectangular).

Abstract

Fügevorrichtung zum Verbinden eines ungelochten Blechs mit einem gelochten Blech, wobei ein Durchsetzfügen erfolgt und der Stempel der Matrize zunächst das gelochte Blech positioniert, beim Fügen selbst aber bis zu einem Anschlag ausweicht.Joining device for connecting an unperforated sheet to a perforated sheet, in which case pushing through takes place and the die of the die first positions the perforated sheet, but during the joining itself it evades up to a stop.

Description

Die Erfindung betrifft eine Vorrichtung zum Verbinden von flächig aufeinanderliegenden Blechen, von denen eines perforiert ist, im Bereich dieser Perforation.The invention relates to a device for connecting flat sheets lying one on top of the other, one of which is perforated, in the area of this perforation.

Eine Vorrichtung, die die im Oberbegriff des Anspruchs 1 genannten baulichen Merkmale besitzt, jedoch zum Verbinden von unperforierten Blechen bestimmt ist, ist aus der EU-OS 82 109 043 bekannt. Bei der bekannten Vorrichtung sind die Stützteile der Matrize mit Schneiden an ihrem freien Ende versehen, die gemeinsam mit dem Stempel zum Einschneiden beider Bleche dienen. Der zwischen den Einschnitten stehende Materialbutzen wird dann durch die Bleche durchgedrückt und auf dem Amboß vom Stenpel breitgequetscht.A device which has the structural features mentioned in the preamble of claim 1 but is intended for connecting imperforate sheets is known from EU-OS 82 109 043. In the known device, the support parts of the die are provided with cutting edges at their free ends, which together with the punch serve to cut both sheets. The slug of material standing between the incisions is then pushed through the metal sheets and squeezed onto the anvil by the stem.

Aufgabe der Erfindung ist es, diese bekannte Vorrichtung derart abzuwandeln, daß mit ihr (mindestens) ein unperforiertes Blech mit einem perforierten Blech verbunden werden kann.The object of the invention is to modify this known device in such a way that it can (at least) connect an imperforate sheet to a perforated sheet.

Diese Aufgabe wird gemäß der Erfindung durch die im kennzeichnenden Teil des Anspruchs 1 genannten Merk-This object is achieved according to the invention by the features mentioned in the characterizing part of claim 1.

ist dabei sc zu bemessen, daß das unperforierte Blech nicht längs der Kontur der Perforation durchtrennt wird, sondern durch diese durchgezogen wird, zweckmäßigerweise so, daß es richt einmal einreißt. Der Amboßkopf dient vor dem eigentlichen Verbindungsarbeitsgang als Zentrer stift, wobei das Maß, mit dem er über die freie Karte der Stützteile hinausragt, zweckmäßigerweise höchstens gleich der Dicke des perforierten BLechs ist, damit das andere Blech auf diesem an der Verbindungsstelle satt aufliegen kann. Der die Ausweichbewegung des Amboß' begrenzende Anschlag ist zur Anpassung an unterschiedliche Blechdicken vorzugsweise einstellbar.is to be dimensioned sc that the unperforated sheet is not cut along the contour of the perforation, but is pulled through it, expediently so that it tears properly. The anvil head serves prior to the actual connecting operation as a center pin, the extent to which it projects beyond the free card of the support parts is expediently at most equal to the thickness of the perforated sheet metal so that the other sheet metal can lie snugly on it at the connection point. The stop limiting the evasive movement of the anvil is preferably adjustable for adaptation to different sheet thicknesses.

Ein bevorzugtes Ausführungsbeispiel des Gegenstandes der Erfindung ist in den beigefügten Zeichnungen dargestellt und wird nachstehend im einzelnen erläutert. Die Zeichnungen sind weitgehend schematisiert und auf das wesentliche beschränkt; so ist auch die Presse, mittels der Stempel und Matrize betätigt werden, nicht dargestellt.

  • Fig. 1 ist ein Längsschnitt durch Stempel, Bleche und Matrize im Ruhezustand,
  • Fig. 2 zeigt in zu Fig. 1 analoger Darstellung die Teile am Ende des Pressenhubes,
  • Fig. 3 ist eine Draufsicht auf die Matrize aus FIg. 1 und 2, und
  • Fig. 4 und 5 zeigen in zu Fig. 3 analoger Darstellung Varianten der Matrize.
A preferred embodiment of the subject of the invention is illustrated in the accompanying drawings and is explained in detail below. The drawings are largely schematic and limited to the essentials; the press by means of which the stamp and die are actuated is also not shown.
  • 1 is a longitudinal section through the stamp, sheets and die in the idle state,
  • 2 shows the parts at the end of the press stroke in a representation analogous to FIG. 1,
  • Fig. 3 is a top view of the die from FIg. 1 and 2, and
  • 4 and 5 show variants of the die in a representation analogous to FIG. 3.

Gemäß Fig. 1 stützt sich vor dem Verfortungsarbeitsgang das bei 10 mit einer Perforation versehene Blech 12 auf den Stützteilen 14 der Matrize ab. Das unperforierte Blech 16 liegt flächig auf Blech 12. In die Perforation greift der Kopf 18 des Amboß' 20, wodurch die Perforation bezüglich der Matrize und -- über die Presse -- bezüglich des Stempels 22 ausgefluchtet wird. Der Ambo2 20 ist in einer Ausdrehung 24 des Matrizensockels 26 mit seinem Fuß 28 geführt und wird von einer Schraubendruckfeder 30 auswärts gedrückt, wobei der der Feder 30 abgewandte Bund 32 des Arboßfußee 28 an einem inneren Anschlag des SoCkels anliegt. Das andere Ende der Feder 30 stützt sich am Kopf 34 einer von unten in eine Gewindebohrung des Sockels eingeschraubte Schraube 36 ab, deren Schaft 38 die Feder durchsetzt und einen Anschlag für die Einwärtsbewegung des Amboß' bildet.According to FIG. 1, the sheet 12 provided with a perforation at 10 is supported on the support parts 14 of the die before the processing step. The unperforated sheet 16 lies flat on sheet 12. The head 18 of the anvil 20 engages in the perforation, as a result of which the perforation is aligned with respect to the die and - via the press - with respect to the punch 22. The Ambo2 20 is in a recess 24 of the die base 26 is guided with its foot 28 and is pressed outwards by a helical compression spring 30, the collar 32 of the anvil foot 28 facing away from the spring 30 bearing against an inner stop of the base. The other end of the spring 30 is supported on the head 34 by a screw 36 screwed from below into a threaded hole in the base, the shaft 38 of which penetrates the spring and forms a stop for the inward movement of the anvil.

Wie man in Fig. 3 erkennt, sind der Sockel und der Amboß kreiszylindrisch ausgebildet, und die Stützteile 14 bilden gemeinsam einen den Amboß einschließenden Hohlzylinder; sie sind jedoch durch Schlitze voneinander getrennt, so daß ihre freien Enden radial ausfedern können, während ihre unteren Enden z.B., wie dargestellt, einstückig mit dem Sockel ausgebildet oder in anderer WEise an ihm befestigt sind.As can be seen in Fig. 3, the base and the anvil are circular cylindrical, and the support parts 14 together form a hollow cylinder enclosing the anvil; however, they are separated from one another by slots so that their free ends can extend radially while, for example, as shown, their lower ends are integrally formed with the base or otherwise attached to it.

Wird, ausgehend von der Position nach Fig. 1, die Presse betätigt, so drückt der Stempelkopf 40 den über der Perfcration (hier ein rundes Loch) befindlichen Bereich des Blechs 16 durch diese hindurch, wobei der Amboß gegen die Vorspannung der Feder 30 ausweicht, bis sein Fuß auf dem Schraubenschaft 38 aufsitzt. Auf dem letzten Teil des Pressenhubes wird daher das durchgedrückte Material plastisch verformt und fließt hinter die Kanten der Perforation, wobei die Stützteile seitlich federnd ausweichen: Fig. 2.If, starting from the position according to FIG. 1, the press is actuated, the punch head 40 presses the area of the sheet 16 located above the perfection (here a round hole) through it, the anvil evading the bias of the spring 30, until his foot sits on the screw shaft 38. On the last part of the press stroke, the material that is pressed through is plastically deformed and flows behind the edges of the perforation, the supporting parts deflecting laterally: FIG. 2.

In Fig. 4 und 5 ist die Form von Amboß 20' bzw. 20" sowie der Stätzteile 14' bzw. 14" an die Kontur anderer Perforationen (quadratisch bzw. langgestreckt-rechteckig) angepaßt.4 and 5, the shape of the anvil 20 'or 20 "and the support parts 14' or 14" is adapted to the contour of other perforations (square or elongated-rectangular).

Claims (5)

1) Vorrichtung zum Verbinden eines Blechs mit einem perforierten Blech im Bereich von dessen Perforation mit einer Stempel, mittels dem Material des unperforierten Blechs durch die Perforation durchgedrückt und hinter dieser fließverpreßt wird, und mit einer mit dem Stempel zusammenwirkenden Matrize, die das perforierte Blech abstützende und seitlich ausfedernde Stützteile sowie zwischen den Stützteilen einen beim Fließverpressen mit dem Stempel zusammenwirkenden Amboß umfaßt, dadurch gekennzeichnet, daß der Stempel eine der Perforation ähnliche, jedoch um ein von der Dicke des unperforierten Blechs abhängendes Maß kleinere Arbeitsfläche aufweist und daß der Amboß einen in die Perforation passenden Kopf aufweist, in der Ruheposition der Vorrichtung von einer Feder vorgespannt mit seinem Kopf über die freien Enden der Stützteile hinausragt und beim Durchdrücken mit seinem Kopf hinter diese Enden bis in eine durch einen Anschlag definierte Fließpreß-Position verlagerbar ist.1) Device for connecting a sheet to a perforated sheet in the area of its perforation with a punch, by means of the material of the imperforate sheet being pushed through the perforation and extruded behind it, and with a die cooperating with the punch, which supports the perforated sheet and laterally rebounding support parts and between the support parts comprises an anvil which co-operates with the punch during extrusion, characterized in that the punch has a work surface similar to the perforation but depending on the thickness of the unperforated sheet, and in that the anvil fits into the Perforation matching head, in the rest position of the device biased by a spring with his head protrudes beyond the free ends of the support parts and when pressed with his head behind these ends is displaceable into an extrusion position defined by a stop. 2) Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Anschlag einstellbar ist.2) Device according to claim 1, characterized in that the stop is adjustable. 3) Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Matrize einen rohrförmigen Sockel aufweist, in dem ein Fußteil des Amboß' gleitbeweglich aufgenommen ist.3) Device according to claim 1, characterized in that the die has a tubular base in which a foot part of the anvil 'is slidably received. 4) Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß der Anschlag von einem in den Sockel eingeschraubten Gewindebolzen gebildet ist.4) Device according to claim 3, characterized in that the stop is formed by a threaded bolt screwed into the base. 5) Vorrichtung nach Anspruch 3 oder 4, dadurch gekenn-zeichnet, daß als Feder eine im Sockel untergebrachte Schraubendruckfeder vorgesehen ist.5) Device according to claim 3 or 4, characterized in that a helical compression spring accommodated in the base is provided as the spring.
EP85102776A 1984-03-22 1985-03-12 Apparatus for connecting a metal sheet to a perforated metal sheet Expired EP0155618B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85102776T ATE44249T1 (en) 1984-03-22 1985-03-12 DEVICE FOR JOINING A SHEET METAL TO A PERFORATED SHEET METAL.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8408795U DE8408795U1 (en) 1984-03-22 1984-03-22 Device for joining a sheet metal to a perforated sheet metal
DE8408795U 1984-03-22

Publications (3)

Publication Number Publication Date
EP0155618A2 true EP0155618A2 (en) 1985-09-25
EP0155618A3 EP0155618A3 (en) 1987-02-04
EP0155618B1 EP0155618B1 (en) 1989-06-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP85102776A Expired EP0155618B1 (en) 1984-03-22 1985-03-12 Apparatus for connecting a metal sheet to a perforated metal sheet

Country Status (5)

Country Link
US (1) US4584753A (en)
EP (1) EP0155618B1 (en)
JP (1) JPS617027A (en)
AT (1) ATE44249T1 (en)
DE (2) DE8408795U1 (en)

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DE19720867C1 (en) * 1997-05-06 1998-09-03 Brose Fahrzeugteile Fastening system for motor vehicle door frame attachments
EP2664393A3 (en) * 2012-05-16 2014-06-11 Bayerische Motoren Werke Aktiengesellschaft Method for clinching of a ductile part with two non-ductile components
CN107900230A (en) * 2017-11-01 2018-04-13 湖州宏跃电子器件厂 A kind of alarm processing riveting device
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US8024848B2 (en) 2008-10-08 2011-09-27 GM Global Technology Operations LLC Double-action clinching method
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CN104338851B (en) * 2013-08-07 2016-08-24 江苏博俊工业科技股份有限公司 The diel of hole flanging riveted disposal molding
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KR101655449B1 (en) * 2015-07-23 2016-09-07 부산대학교 산학협력단 Hole clinching machine with guide for double-support of material

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PATENTS ABSTRACTS OF JAPAN, Band 7, Nr. 179 (M-234)[1324], 9. August 1983; & JP-A-58 81 537 (MORITA KOUSAN K.K.) 16-05-1983 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0259925A1 (en) * 1986-09-05 1988-03-16 Littelfuse Tracor B.V. A method of interconnecting metal strips for use in electrical components, and electrical component comprising strips thus interconnected
DE3934743A1 (en) * 1989-10-18 1991-04-25 Eckold Vorrichtung METHOD FOR CONNECTING TWO COMPONENTS
US5203812A (en) * 1989-10-18 1993-04-20 Eckold Gerd Juergen Method of connecting two components
DE19720867C1 (en) * 1997-05-06 1998-09-03 Brose Fahrzeugteile Fastening system for motor vehicle door frame attachments
US6688043B1 (en) 1997-05-06 2004-02-10 Brose Fahrzeugteile Gmbh & Co. Kg Device and method for securing a component to a support part in a vehicle
EP2664393A3 (en) * 2012-05-16 2014-06-11 Bayerische Motoren Werke Aktiengesellschaft Method for clinching of a ductile part with two non-ductile components
CN107900230A (en) * 2017-11-01 2018-04-13 湖州宏跃电子器件厂 A kind of alarm processing riveting device
CN107900230B (en) * 2017-11-01 2019-07-26 绍兴市华获智能装备有限公司 Riveting device is used in a kind of processing of alarm
DE102018103961A1 (en) 2018-02-22 2019-08-22 Schaeffler Technologies AG & Co. KG Variable valve train of a combustion piston engine

Also Published As

Publication number Publication date
DE3571210D1 (en) 1989-08-03
JPS617027A (en) 1986-01-13
US4584753A (en) 1986-04-29
JPH0460733B2 (en) 1992-09-28
EP0155618A3 (en) 1987-02-04
EP0155618B1 (en) 1989-06-28
DE8408795U1 (en) 1985-07-18
ATE44249T1 (en) 1989-07-15

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