EP0087072B1 - Rotary swaging machine - Google Patents

Rotary swaging machine Download PDF

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Publication number
EP0087072B1
EP0087072B1 EP83101269A EP83101269A EP0087072B1 EP 0087072 B1 EP0087072 B1 EP 0087072B1 EP 83101269 A EP83101269 A EP 83101269A EP 83101269 A EP83101269 A EP 83101269A EP 0087072 B1 EP0087072 B1 EP 0087072B1
Authority
EP
European Patent Office
Prior art keywords
die
hammer
ram
machine
dies
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.)
Expired
Application number
EP83101269A
Other languages
German (de)
French (fr)
Other versions
EP0087072A1 (en
Inventor
Klaus Dipl.-Ing. Kienhöfer
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.)
Gebr Felss GmbH and Co KG
Original Assignee
Gebr Felss GmbH and Co KG
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 Gebr Felss GmbH and Co KG filed Critical Gebr Felss GmbH and Co KG
Priority to AT83101269T priority Critical patent/ATE17829T1/en
Publication of EP0087072A1 publication Critical patent/EP0087072A1/en
Application granted granted Critical
Publication of EP0087072B1 publication Critical patent/EP0087072B1/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
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/02—Special design or construction
    • B21J7/14—Forging machines working with several hammers
    • B21J7/16—Forging machines working with several hammers in rotary arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/02—Special design or construction
    • B21J7/14—Forging machines working with several hammers
    • B21J7/145—Forging machines working with several hammers the hammers being driven by a rotating annular driving member

Definitions

  • the invention relates to a rotary hammer machine with back connecting wedges for plunge hammering, the jaw closing wedges being arranged axially parallel, displaceable and exchangeable between the hammer plunger and the hammer jaws.
  • Rotary hammer machines which, by means of radially guided hammering tools, contribute to reducing the cross-section through oscillating hammer movements. serve as a rod or tube. The material is reduced in cross-section under feed.
  • the object of the invention is also to achieve a resetting of the hammer jaws in order to keep the hammer opening open even in the case of jaw locking wedges which can be displaced radially.
  • the hammer mechanism consists of the hammer shaft 1 with hammer plunger 2 and hammer jaws 3, which (3: form the hammer opening 4 for the workpiece 5.
  • the jaw locking wedges 6 can then be displaced axially parallel between the hammer jaws 3 and the plungers 2.
  • This is followed by the pressure rollers 7 with cage 8, which act on the heads 9 of the hammer jaws 2 when the shaft 1 rotates and which (7) run in the outer ring 10.
  • the outer ring 10 can rotate instead of the shaft 1 or both run (1 and 10) in the same direction at different speeds or also in opposite directions to each other This oscillating movement creates the oscillating hammer movement of the hammer plungers 2 with hammer jaws 3, which can be superimposed on the radial feed movement by means of the jaw closing wedges 6.
  • the jaw closing wedges 6 there are two, three and four jaw arrangements known.?
  • the hammer plungers 2 are kept open by means of springs 11 on the hammer heads 9 in the case of insufficient centrifugal force when the machine is running slowly or at a standstill.
  • the hammer plungers 2 and hammer jaws 3 have axially parallel bores 12, into which a spring clip 13 connecting both is inserted.
  • This spring clip 13 is bent on its spring arm 13a and 13b to be inserted in such a way that the support lies sufficiently far in the hammer plunger 2 and in the hammer jaw 3 to hold the same together resiliently.
  • the spring clip 13 is cranked sideways at 14, so that the jaw lock wedge 6 located between the hammer plunger 2 and the hammer jaws 3 can extend.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Percussive Tools And Related Accessories (AREA)

Abstract

This invention relates to a swaging machine which preferably comprises depth-setting wedges which are adapted to be inserted parallel to the axis of the machine between the swaging dies and the die-actuating rams associated with said dies and which permit the use of the machine for recess swaging. Each die and the die-actuating ram associated with said die have parallel bores and a U-shaped spring is inserted into said bores to connect said die and ram. This arrangement will ensure that the opening defined by the dies will be held open even if a machine provided with such depth-setting wedges operates at a low speed or is at a standstill.

Description

Die Erfindung bezieht sich auf eine Rundhämmermaschine mit Backanschließkeilen zum Einstichhämmern, wobei die Backenchließkeile zwischen Hammerstößel und Hämmarbacken achsparallel verschieb- und auswechselbar angeordnet sind.The invention relates to a rotary hammer machine with back connecting wedges for plunge hammering, the jaw closing wedges being arranged axially parallel, displaceable and exchangeable between the hammer plunger and the hammer jaws.

Es sind Rundhämmermaschinen bekannt, welche mittels radial geführten Hämmerwerkzeugen zur Querschnittsverminderung durch oszillierende Hämmerbewegungen bei. stangen- oder rohrförmigem Gut dienen. Hierbei wird des Gut unter Vorschub im Querschnitt reduziert.?Rotary hammer machines are known which, by means of radially guided hammering tools, contribute to reducing the cross-section through oscillating hammer movements. serve as a rod or tube. The material is reduced in cross-section under feed.

Desweiteren ist bekannt zum sogen. Einstichhämmern der oszillierenden Hämmerbewegung den Hämmerwerkzeugen eine radiale Zustellbewegung zu Überlagern. Dies geschieht mittels Keilen, welche zwischen den Hämmerstößeln und Hämmerbacken in achsparelleler Richtung verschoben werden. Die Verschiebung der Keile erfolgt nach der US-PS 26 69 137 mittels verschiebberem Verstellflansch, en welchem sie beweglich eingehängt sind, um die oszillierende Hämmerbewegung und gegebenenfalls auch die Zustellbewegung der Hämmerwerkzeuge aufnehmen zu können.?Furthermore, it is known for the so-called. Puncture hammering of the oscillating hammer movement to superimpose a radial feed movement on the hammer tools. This is done by means of wedges, which are moved between the hammer plungers and hammer jaws in an axially parallel direction. The wedges are shifted according to US Pat. No. 2,669,137 by means of a displaceable adjusting flange, to which they are movably suspended in order to be able to accommodate the oscillating hammer movement and, if appropriate, also the infeed movement of the hammer tools.

Um bei Maschinen mit langsam laufender oder stillstehender Hämmerwelle und umlaufendem Außenring ein Zufellen der Hämmeröffnung mangels Zentrifugalkraft beim Einführen des Werkstücks zu vermeiden, ist es bekannt die Hämmerstößel mittels Federn am Kopf zurück zu halten und die austauschbaren Hämmerbacken formschlüssig, beispielsweise mittels Klemmstücken oder Spannpratzen an diesen festzuhalten. Bei den vorgeschilderten Rundhämmermaschinen mit Backenschließkeilen zum Einstichhämmern ist dies aber nicht möglich, da bei dieser Maschinenausführung die Hämmerbacken in bezug auf die Hämmerstößel radial verschiebbar sein müssen.In order to prevent the hammer opening from becoming clogged due to a lack of centrifugal force when inserting the workpiece in machines with a slow-running or stationary hammer shaft and rotating outer ring, it is known to hold the hammer plunger back on the head by means of springs and to form-fit the replaceable hammer jaws, for example by means of clamping pieces or clamps on these to hold on. However, this is not possible in the above-described rotary hammer machines with jaw strikers for plunge hammering, since the hammer jaws must be radially displaceable with respect to the hammer plunger in this machine version.

Es ist ferner bekannt bei Maschinen in Zweibackenausführung Federn zwischen den Hämmerbacken anzuordnen und somit Hämmerbacken und Hämmerstößel gemeinsam offen zu halten; hierbei sind die Federn jedoch einer erhöhten Verschmutzungs- und Bruchgefahr ausgesetzt, auch lassen sich bei Maschinen in Mehrbackenausführung solche Federn nicht einbauen.It is also known to arrange springs between the hammer jaws in machines with a two-jaw design and thus to keep the hammer jaws and hammer plunger open together; Here, however, the springs are exposed to an increased risk of contamination and breakage, and such springs cannot be installed in machines with multi-jaw design.

Aufgabe der Erfindung ist es hiergegen auch bei vermittels Backenschließkeilen radial verschiebbarer Anordnung der Hämmerbacken eine Rückstellung derselben zur Offenhaltung der Hämmeröffnung zu erreichen.Against this, the object of the invention is also to achieve a resetting of the hammer jaws in order to keep the hammer opening open even in the case of jaw locking wedges which can be displaced radially.

Diese Aufgabe ist bei Rundhämmermaschinen nach dem Oberbegriff des Anspruchs 1 erfindungsgemäß dadurch gelöst, daß Hämmerstößel und Hämmerbacken achsparallele Bohrungen aufweisen, in welche ein beide verbindender Federbügel eingesteckt ist. Die Wirkung der damit beanspruchten Maßnahmen besteht darin, daß der Federbügel bei ungenügender Zentrifugalkraft bei langsam laufender bzw. stillstehender Maschine Hämmerstößel und Hämmerbacken federnd zusammen hält und die Hämmerstößel so offen gehalten werden.This object is achieved in rotary hammers according to the preamble of claim 1 in that hammer plunger and hammer jaws have axially parallel bores into which a spring clip connecting both is inserted. The effect of the measures claimed in this way is that the spring clip holds the hammer plunger and hammer jaws together with insufficient centrifugal force when the machine is running slowly or at a standstill, and the hammer plungers are kept open.

Die Rundhämmermaschine mit Backenschließkeilen gemäß der Erfindung wird in einem Ausführungsbeispiel an Hand einer Zeichnung näher erläutert und zwar zeigen:

  • Figur 1 die Frontansicht eines Hämmerwerks,
  • Figur 2 die perspektivische Ansicht von Hämmerstößel mit Keil und Hämmerbacken und
  • Figur 3 den zugehörigen Federbügel.
The rotary hammer machine with jaw locking wedges according to the invention is explained in more detail in an exemplary embodiment with the aid of a drawing and shows:
  • FIG. 1 shows the front view of a hammer mill,
  • Figure 2 is a perspective view of hammer plunger with wedge and hammer jaws and
  • Figure 3 shows the associated spring clip.

Wie aus der Zeichnung ersichtlich wird, besteht das Hämmerwerk aus der Hämmerwelle 1 mit Hämmerstößel 2 und Hämmerbacken 3, welche (3: die Hämmeröffnung 4 bilden für das Werkstück 5. Zwischen den Hämmerbacken 3 und den Stößeln 2 sind sodann die Backenschließkeile 6 achsparallel verschiebbar. Danach folgen die Druckrollen 7 mit Käfig 8, welche auf die Köpfe 9 der Hämmerbacken 2 bei Drehung der Welle 1 wirken und welche (7) im Außenring 10 laufen. Bei anderen Ausführungen können auch der Außenring 10 anstelle der Welle 1 umlaufen oder es laufen beide (1 und 10) gleichsinnig mit unterschiedlicher Geschwindigkeit oder auch gegensinnig zueinander um. Durch diesen unterschiedlichen Umlauf entsteht die oszillierende Hämmerbewegung der Hämmerstößel 2 mit Hämmerbacken 3, welchen mittels den Backenschließkeilen 6 eine radiale Zustellbewegung überlagerbar ist. Schließlich sind Zwei-, Drei- und Vierbackenanordnungen bekannt.?As can be seen from the drawing, the hammer mechanism consists of the hammer shaft 1 with hammer plunger 2 and hammer jaws 3, which (3: form the hammer opening 4 for the workpiece 5. The jaw locking wedges 6 can then be displaced axially parallel between the hammer jaws 3 and the plungers 2. This is followed by the pressure rollers 7 with cage 8, which act on the heads 9 of the hammer jaws 2 when the shaft 1 rotates and which (7) run in the outer ring 10. In other embodiments, the outer ring 10 can rotate instead of the shaft 1 or both run (1 and 10) in the same direction at different speeds or also in opposite directions to each other This oscillating movement creates the oscillating hammer movement of the hammer plungers 2 with hammer jaws 3, which can be superimposed on the radial feed movement by means of the jaw closing wedges 6. Finally, there are two, three and four jaw arrangements known.?

Die Hämmerstößel 2 werden mittels Federn 11 an den Hämmerköpfen 9 bei ungenügender Zentrifugalkraft bei langsam laufender bzw. stillstehender Maschine offen gehalten. Um nun bei ausfahrbar zwischengeschalteten Backenschließkeilen 6 ein Zufallen der Hämmerbacken 3 zu vermeiden, weisen die Hämmerstößel 2 und Hämmerbacken 3 achsparallele Bohrungen 12 auf, in welche ein beide verbindender Federbügel 13 eingesteckt ist. Dieser Federbügel 13 ist an seinem einzusteckenden Federarm 13a und 13b so gebogen, daß die Abstützung genügend weit im Hämmerstößel 2 und im Hämmerbacken 3 liegt, um dieselben federnd zusammen zu halten. Im übrigen ist der Federbügel 13 kopfseitig bei 14 seitwärts abgekröpft, sodaß der zwischen Hämmerstößel 2 und Hämmerbacken 3 liegende Backenschließ Keil 6 ausfahren kann.The hammer plungers 2 are kept open by means of springs 11 on the hammer heads 9 in the case of insufficient centrifugal force when the machine is running slowly or at a standstill. In order now to prevent the hammer jaws 3 from closing when the jaw locking wedges 6 are extendable, the hammer plungers 2 and hammer jaws 3 have axially parallel bores 12, into which a spring clip 13 connecting both is inserted. This spring clip 13 is bent on its spring arm 13a and 13b to be inserted in such a way that the support lies sufficiently far in the hammer plunger 2 and in the hammer jaw 3 to hold the same together resiliently. In addition, the spring clip 13 is cranked sideways at 14, so that the jaw lock wedge 6 located between the hammer plunger 2 and the hammer jaws 3 can extend.

Claims (3)

1. A circular swaging machine comprising die-closing wedges (6) for a forging of recesses, wherein said die-closing wedges (6) are detachably disposed between die-actuating rams (2) and dies (3) and are displaceable parallel to the axis, characterized in that the die-actuating rams (2) and the dies (3) have bores (12), which ars parallel to the axis, and a U-shaped spring (13) is inserted into said borses to connect the ram (2) to the die (3).
2. A circular swaging machine according to claim 1, characterized in that insertable spring legs (13a, 13b) of the U-shaped spring (13) are bent toward each other to such an extent that their points of engagement are disposad in the ram (2) and the die (3) in such a depth that the ram and the die are resiliently held together.
3, A circular swaging machine according to claim 1 1 or 2, characterized in that the U-shaped spring ( 13) is laterally offset (at 14) at its head so that the die-closing wedge (6) disposed between the ram (2) and tes die (3) is extensible.
EP83101269A 1982-02-17 1983-02-10 Rotary swaging machine Expired EP0087072B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83101269T ATE17829T1 (en) 1982-02-17 1983-02-10 ROUND HAMMING MACHINE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3205585A DE3205585C2 (en) 1982-02-17 1982-02-17 Rotary hammering machine
DE3205585 1982-02-17

Publications (2)

Publication Number Publication Date
EP0087072A1 EP0087072A1 (en) 1983-08-31
EP0087072B1 true EP0087072B1 (en) 1986-02-05

Family

ID=6155923

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83101269A Expired EP0087072B1 (en) 1982-02-17 1983-02-10 Rotary swaging machine

Country Status (5)

Country Link
US (1) US4455851A (en)
EP (1) EP0087072B1 (en)
JP (1) JPS58154430A (en)
AT (1) ATE17829T1 (en)
DE (1) DE3205585C2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6770817B2 (en) 2001-01-19 2004-08-03 Yazaki Corporation Structure for waterproofing terminal-wire connecting portion and method of waterproofing the same
DE10156299B4 (en) * 2000-11-17 2005-02-24 Yazaki Corp. Connecting arrangement and method for connecting a terminal element with an electrical conductor
US6893301B2 (en) 2001-07-25 2005-05-17 Yazaki Corporation Method and structure for connecting a terminal with a wire

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01177036U (en) * 1988-05-30 1989-12-18
DE4002855C1 (en) * 1990-02-01 1991-10-24 Gebr. Felss Gmbh + Co Kg, 7535 Koenigsbach-Stein, De Tool changer for kneading machine - has front cover which swivels and hammer head fitted with trip arm
DE4002854C1 (en) * 1990-02-01 1991-10-24 Gebr. Felss Gmbh + Co Kg, 7535 Koenigsbach-Stein, De Tool changer for kneading machine - has two or more hammer plungers and set jaws with infeed wedges
US5230352A (en) * 1992-03-04 1993-07-27 American Cyanamid Company Medical suturing device, a single-strike die mechanism, and a method of using said die mechanism for forming the medical suturing device
FR2755042B1 (en) * 1996-10-24 1998-12-24 Lemforder Nacam Sa PROCESS FOR OBTAINING SPLINES ON A TREE
US8499602B2 (en) * 2002-05-10 2013-08-06 Agio International Company, Ltd Decorative hollow tubing for use in furniture manufacture and method for manufacturing
WO2006113651A2 (en) * 2005-04-15 2006-10-26 Machine Solutions, Inc. Swaging technology
CN105081172A (en) * 2015-09-02 2015-11-25 太仓市顺昌锻造有限公司 Simple forging equipment

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2669137A (en) * 1949-12-02 1954-02-16 Smith Samuel Rotary swaging or forging machines

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
DE916487C (en) * 1951-11-10 1954-08-23 Georg Welsch Drive for hammering machines
DE1018699B (en) * 1953-04-10 1957-10-31 Gerhard Heinrich Appel Dr Ing High-speed forging machine with adjustable forging dies
GB890975A (en) * 1959-10-29 1962-03-07 Stevens & Bullivant Ltd Improvements relating to rotary swaging and forging machines
DE2042303A1 (en) * 1970-08-26 1972-03-30 Schmauser, Herbert J., 8540 Schwa bach Radial wire forging - for non-circular cross sections
DE2529649A1 (en) * 1975-07-03 1977-01-13 Mueller Heinrich Masch Swageing machine noise reduction - has compression springs between pressure plates and jaws to reduce noise while idling
US4255642A (en) * 1979-04-30 1981-03-10 Westinghouse Electric Corp. Method and apparatus for tipping off refractory metal tubulation
DE3144981C2 (en) * 1981-11-12 1986-02-13 Fa. Heinrich Müller, 7530 Pforzheim Saddle rotary kneading machine with tools operated by external rams via wedges

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2669137A (en) * 1949-12-02 1954-02-16 Smith Samuel Rotary swaging or forging machines

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10156299B4 (en) * 2000-11-17 2005-02-24 Yazaki Corp. Connecting arrangement and method for connecting a terminal element with an electrical conductor
DE10156299B8 (en) * 2000-11-17 2005-08-25 Yazaki Corp. Connecting arrangement and method for connecting a terminal element with an electrical conductor
US6770817B2 (en) 2001-01-19 2004-08-03 Yazaki Corporation Structure for waterproofing terminal-wire connecting portion and method of waterproofing the same
DE10202102B4 (en) * 2001-01-19 2005-07-07 Yazaki Corp. Waterproof connection structure of a terminal with a lead and method of making the same
US6893301B2 (en) 2001-07-25 2005-05-17 Yazaki Corporation Method and structure for connecting a terminal with a wire
US6976889B2 (en) 2001-07-25 2005-12-20 Yazaki Corporation Method and structure for connecting a terminal with a wire

Also Published As

Publication number Publication date
EP0087072A1 (en) 1983-08-31
JPS6241816B2 (en) 1987-09-04
US4455851A (en) 1984-06-26
DE3205585A1 (en) 1983-08-25
DE3205585C2 (en) 1985-06-13
JPS58154430A (en) 1983-09-13
ATE17829T1 (en) 1986-02-15

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