DE284114T1 - EJECTOR ASSIGNED TO THE PUNCH SPINE IN A MACHINE FOR PRODUCING HOLLOW RIVETS. - Google Patents

EJECTOR ASSIGNED TO THE PUNCH SPINE IN A MACHINE FOR PRODUCING HOLLOW RIVETS.

Info

Publication number
DE284114T1
DE284114T1 DE1988200232 DE88200232T DE284114T1 DE 284114 T1 DE284114 T1 DE 284114T1 DE 1988200232 DE1988200232 DE 1988200232 DE 88200232 T DE88200232 T DE 88200232T DE 284114 T1 DE284114 T1 DE 284114T1
Authority
DE
Germany
Prior art keywords
bore
extrusion pin
die
rod
lever
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.)
Pending
Application number
DE1988200232
Other languages
German (de)
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 filed Critical
Publication of DE284114T1 publication Critical patent/DE284114T1/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21KMAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00Making machine elements
    • B21K1/58Making machine elements rivets
    • B21K1/60Making machine elements rivets hollow or semi-hollow rivets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00Details of machines for forging, pressing, or hammering
    • B21J13/08Accessories for handling work or tools
    • B21J13/14Ejecting devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)
  • Insertion Pins And Rivets (AREA)
  • Forging (AREA)
  • Soil Working Implements (AREA)

Claims (5)

HOEGER1 "STBLLREGHT.&;. PARTN ER UHLANDSTRASSE 14 c ■ D 7OOO STUTTGART 1 EPA 88200232.2 Anmelder: A 48 213 m Eufemia Garlaschi m - 226 Via Victor Hugo, 4 23. Juni 1988 1-20123 Milano PatentansprücheHOEGER1 "STBLLREGHT.&;. PARTNER UHLANDSTRASSE 14 c ■ D 7OOO STUTTGART 1 EPA 88200232.2 Applicant: A 48 213 m Eufemia Garlaschi m - 226 Via Victor Hugo, 4 23 June 1988 1-20123 Milano Claims 1. Verbesserte Auswurfvorrichtung in Verbindung mit dem Extrusionsstift in einer Maschine zur Herstellung insgesamt rohrförmiger Nieten, bei welcher der Extrusionsstift im Maschinengestell und innerhalb einer in einer Matritze vorgesehenen Bohrung translatorisch angetrieben ist, und zwar durch eine innere, mit dem Extrusionsstift ausgerichtete und von einem ersten Hebel angetriebene Stange,1. Improved ejection device in connection with the extrusion pin in a machine for producing generally tubular rivets, in which the extrusion pin is driven in translation in the machine frame and within a bore provided in a die, namely by an inner rod aligned with the extrusion pin and driven by a first lever, dadurch gekennzeichnet, daß die innere Stange (19) so koaxial angeordnet ist, daß sie innerhalb einer rohrförmigen Stange (22) gleitet, die betriebsmäßig in Übereinstimmung mit der Matritze (12) durch einen zweiten Hebel (34) angetrieben ist, und daß vor der rohrförmigen Stange (22) eine Auswurfhülse (27) angeordnet ist, die derart mit einer inneren, koaxialen Bohrung versehen ist, daß sie befähigt ist, den Extrusionsstift (11) aufzunehmen, und die eine äußere Größe hat, welche derjenigen der in der Matritze vorgesehenen Bohrung (30) äquivalent ist.characterized in that the inner rod (19) is arranged coaxially so as to slide inside a tubular rod (22) which is operatively driven in correspondence with the die (12) by a second lever (34), and in that in front of the tubular rod (22) there is arranged an ejection sleeve (27) which is provided with an internal, coaxial bore so as to be able to receive the extrusion pin (11) and which has an external size equivalent to that of the bore (30) provided in the die. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Auswurfhülse (27) an einer Seite einen flanschartigen Endabschnitt (28) aufweist, der zur Anlage an der rohrförmigen Stange (22) gelangt, sowie an der anderen Seite einen Abschnitt, welcher jene äußere,2. Device according to claim 1, characterized in that the ejection sleeve (27) has on one side a flange-like end section (28) which comes to rest on the tubular rod (22), and on the other side a section which forms the outer, EPA 88200232.2 0 2 8 4EPA88200232.2 0 2 8 4 A 48 213 mA 48 213 m in - 226in - 226 23. Juni 1988 - 2 -23 June 1988 - 2 - zu der in der Matritze vorgesehenen Bohrung äquivalente Größe hat, wobei der flanschartige Endabschnitt im Innern eines Abstandshalters (29) gleitbar ist, der koaxial mit der Bohrung der Matritze ausgerichtet ist.has a size equivalent to the bore provided in the die, the flange-like end portion being slidable inside a spacer (29) which is coaxially aligned with the bore of the die. 3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die rohrförmige Stange (22) auf Buchsen (25) gleitet, die mit dem Maschinengestell verbunden sind, und ebene Flächen zusammen mit dem zweiten Antriebshebel hat, welche sich dazu eignen, die rohrförmige Stange an einer Verdrehung relativ zum zweiten Antriebshebel zu hindern.3. Device according to claim 1, characterized in that the tubular rod (22) slides on bushings (25) which are connected to the machine frame and has flat surfaces together with the second drive lever which are suitable for preventing the tubular rod from rotating relative to the second drive lever. 4. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß in Übereinstimmung mit dem ersten Hebel (21) die innere Stange (19) mit einem vergrößerten Ende (18) versehen ist, welches mit einem elastischen Mittel zur Rückführung des Extrusionsstiftes verbunden ist.4. Device according to claim 1, characterized in that, in correspondence with the first lever (21), the inner rod (19) is provided with an enlarged end (18) which is connected to an elastic means for returning the extrusion pin. 5. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Extrusionsstift (11) zwangsläufig mit der inneren Stange (19) mittels eines becherförmigen Behälterelements (31) verbunden ist, welches eine durch seine Basis hindurchgehende Axialbohrung aufweist und mit Hilfe eines an seiner Innenwand vorgesehenen Schraubgewindes auf ein Ende der inneren Stange aufgeschraubt ist, das seinerseits an seiner Außenfläche mit einem entsprechenden Schraubgewinde versehen ist.5. Device according to claim 1, characterized in that the extrusion pin (11) is positively connected to the inner rod (19) by means of a cup-shaped container element (31) which has an axial bore through its base and is screwed onto one end of the inner rod by means of a screw thread provided on its inner wall, which in turn is provided with a corresponding screw thread on its outer surface.
DE1988200232 1987-02-26 1988-02-09 EJECTOR ASSIGNED TO THE PUNCH SPINE IN A MACHINE FOR PRODUCING HOLLOW RIVETS. Pending DE284114T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2095787U IT210005Z2 (en) 1987-02-26 1987-02-26 PERFECTED EXTRACTION DEVICE ASSOCIATED WITH THE EXTRUSION PIN IN A MACHINE FOR THE PRODUCTION OF FULLY PERFORATED RIVETS.

Publications (1)

Publication Number Publication Date
DE284114T1 true DE284114T1 (en) 1989-02-16

Family

ID=11174610

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1988200232 Pending DE284114T1 (en) 1987-02-26 1988-02-09 EJECTOR ASSIGNED TO THE PUNCH SPINE IN A MACHINE FOR PRODUCING HOLLOW RIVETS.

Country Status (4)

Country Link
EP (1) EP0284114A3 (en)
DE (1) DE284114T1 (en)
ES (1) ES2004328A4 (en)
IT (1) IT210005Z2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112893499A (en) * 2020-12-30 2021-06-04 中核北方核燃料元件有限公司 Bar billet extrusion device of ODS alloy cladding pipe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2705333A (en) * 1952-10-10 1955-04-05 Nat Machinery Co Reciprocating punch and die apparatus with stripper mechanism
DE1627580A1 (en) * 1967-07-28 1971-09-30 Olympic Screw & Rivet Corp Die
AU437854B2 (en) * 1969-07-24 1973-07-09 Olympic Fastening Systems Inc Rivet - forming dies
GB1596641A (en) * 1977-02-25 1981-08-26 Avdel Ltd Fault detector for a metal-forming machine

Also Published As

Publication number Publication date
EP0284114A2 (en) 1988-09-28
ES2004328A4 (en) 1989-01-01
IT210005Z2 (en) 1988-11-14
EP0284114A3 (en) 1990-05-23
IT8720957V0 (en) 1987-02-26

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