EP2293655B1 - Schwimmend befestigter Multifunktionsring für Plasmabrenner - Google Patents

Schwimmend befestigter Multifunktionsring für Plasmabrenner Download PDF

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Publication number
EP2293655B1
EP2293655B1 EP10170565.5A EP10170565A EP2293655B1 EP 2293655 B1 EP2293655 B1 EP 2293655B1 EP 10170565 A EP10170565 A EP 10170565A EP 2293655 B1 EP2293655 B1 EP 2293655B1
Authority
EP
European Patent Office
Prior art keywords
ring
torch
torch head
head
plasma
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.)
Not-in-force
Application number
EP10170565.5A
Other languages
English (en)
French (fr)
Other versions
EP2293655A1 (de
Inventor
Mickaël Desclides
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.)
Lincoln Electric Company France SA
Original Assignee
Air Liquide Welding France
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 Air Liquide Welding France filed Critical Air Liquide Welding France
Publication of EP2293655A1 publication Critical patent/EP2293655A1/de
Application granted granted Critical
Publication of EP2293655B1 publication Critical patent/EP2293655B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/3423—Connecting means, e.g. electrical connecting means or fluid connections

Definitions

  • the invention relates to a plasma torch with removable head, the rapid assembly and disassembly on the base or torch body is by means of a multifunction floating ring.
  • plasma cutting torches with removable heads are notably known from the documents EP-A-599709 , GB-A-2091594 , EP-A-801882 and EP-A-941018 .
  • the other torch head which has just been disengaged from the torch body, that is to say from the base , can be dismantled, used consumables can be extracted and replaced by new consumables.
  • the head will be ready to be reassembled when the life limit of consumables of the other head will be reached.
  • This outer cap serves to provide mechanical protection of the consumables, in particular against molten metal projections expelled during cutting, and also allows correct vertical stacking of different consumables in the torch.
  • removing the cap from a plasma torch head is an operation that can prove to be laborious for the operator because the ring rotates freely around the outer wall of the torch head and this rotation hinders the operator when he unscrews the cap manually. Indeed, there is little free space to put your hands on the head of the torch, which does not allow a good grip to operate a tightening or loosening of the cap, that is to say to exercise a couple on the cap while holding the rest of the torch head, or vice versa.
  • the invention also relates to an assembly formed of a plasma cutting torch head according to the invention secured to a plasma torch body by means of the fixing ring, preferably the torch body is arranged on a frame. carrier or a robot arm.
  • the ring 3 is normally free and mobile in rotation around the outer peripheral wall of the torch head 1, that is to say around the main axis 7 of the torch, and also in translation along the axis 7 of the torch, which allows to position it correctly so as to cooperate with the thread carried by the body 2 and thus ensure the mounting of the torch head 1 on said body 2.
  • the ring 3 comprises coupling means, such as one or more expansions 5, adapted to and designed to cooperate with receiving means 6, arranged on the torch head to secure the ring to said head so as to prevent rotation of the ring 3 around the torch head 1.
  • coupling means such as one or more expansions 5, adapted to and designed to cooperate with receiving means 6, arranged on the torch head to secure the ring to said head so as to prevent rotation of the ring 3 around the torch head 1.
  • the ring 3 comprises one or more expansions 5 projecting towards the downstream part 1b of the head 1 of the torch, that is to say in the direction of the cap 4, and cooperating with the head 1 of the torch so as to ensure the rotational locking of the ring 4 around the head 1.
  • the ring 3 and the expansions 5 are machined in a single block within a metal part.
  • the expansions are obtained by cutting and / or grinding said metal part.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Arc Welding In General (AREA)
  • Plasma Technology (AREA)

Claims (11)

  1. Plasma-Schneidbrennerkopf (1), ein stromaufwärts gelegenes Ende (1a) und ein stromabwärts gelegenes Ende (1b) umfassend, sowie einen Befestigungsring (3), der zumindest im Bereich des stromaufwärts gelegenen Endes (1a) des Brennerkopfes (1) verdreht und verschoben werden kann, dadurch gekennzeichnet, dass der Befestigungsring (3) darüber hinaus Koppelmittel (5) umfasst, die imstande sind und gestaltet sind, um mit Aufnahmemitteln (6) zusammenzuwirken, die auf dem Brennerkopf (1) angeordnet sind, um den Ring (3) fest mit dem Kopf (1) zu verbinden, um jedwede Rotation des Ringes (3) um den Brennerkopf (1) zu verhindern, wenn dieser von einem Brennergehäuse getrennt ist.
  2. Brennerkopf nach Anspruch 1, dadurch gekennzeichnet, dass die Koppelmittel (5) im Bereich des umlaufenden Randes des Ringes (3) angeordnet sind, der sich auf Seiten des stromabwärts gelegenen Endes des Brennerkopfes befindet.
  3. Brennerkopf nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Koppelmittel (5), die auf dem Ring (3) angeordnet sind, zumindest eine Erweiterung (5) des Randes des Ringes (3) umfassen, die axial in Richtung des stromabwärts gelegenen Abschnitts (1b) des Brennerkopfes ausläuft, vorzugsweise mehrere Erweiterungen (5) des Randes des Ringes.
  4. Brennerkopf nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Aufnahmemittel (6), die auf dem Brennerkopf angeordnet sind, zumindest eine Abflachung (6), zumindest eine Aufnahme oder zumindest einen Anschlag umfassen, die imstande sind, mit der zumindest einen Erweiterung (5) der Wand des Ringes (3) zusammenzuwirken, um eine Blockierung der Drehung des Rings auf dem Brennerkopf zu erhalten, vorzugsweise mehrere Abflachungen, Aufnahmen oder Anschläge.
  5. Brennerkopf nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass man die Erweiterung(en) (5), die sich im Bereich des Randes des Ringes (3) befinden, und axial in Richtung des stromabwärts gelegenen Abschnitts (1b) des Brennerkopfes (1) auslaufen, durch eine Bearbeitung des Materials erhält, aus dem der Ring (3) besteht, insbesondere durch Ausschneiden oder durch Schleifen des Randes des Rings.
  6. Brennerkopf nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass der Ring (3) darüber hinaus zumindest ein Gewinde umfasst, das auf der Innenfläche eingearbeitet ist und dazu dient, den Brennerkopf fest mit einem Brennergehäuse zu verbinden.
  7. Brennerkopf nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass der Ring (3) zumindest teilweise metallisch ist.
  8. Brennerkopf nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Koppelmittel (5) mechanisch in die Aufnahmemittel (6) eingreifen, um die Drehung des Rings zu blockieren.
  9. Brennerkopf nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass er an seinem stromabwärts gelegenen Ende (1b) eine Elektrode, eine Düse und eine Abdeckhaube (4) umfasst.
  10. Anordnung, bestehend aus einem Plasma-Schneidbrennerkopf (1) nach einem der vorherigen Ansprüche, der mittels des Befestigungsrings (3) fest mit einem Plasma-Brennergehäuse (2) verbunden ist, und das Brennergehäuse (2) vorzugsweise auf einem Traggestell oder einem Roboterarm angeordnet ist.
  11. Plasmastrahl-Schneidverfahren, wobei man einen Brennerkopf (1) nach einem der Ansprüche 1 bis 9 oder eine Anordnung aus Brennerkopf (1)/Brennergehäuse (2) eines Plasma-Brenners nach Anspruch 10 einsetzt.
EP10170565.5A 2009-09-03 2010-07-23 Schwimmend befestigter Multifunktionsring für Plasmabrenner Not-in-force EP2293655B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0955991A FR2949638B1 (fr) 2009-09-03 2009-09-03 Bague flottante multifonction pour torche plasma

Publications (2)

Publication Number Publication Date
EP2293655A1 EP2293655A1 (de) 2011-03-09
EP2293655B1 true EP2293655B1 (de) 2016-11-02

Family

ID=42102493

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10170565.5A Not-in-force EP2293655B1 (de) 2009-09-03 2010-07-23 Schwimmend befestigter Multifunktionsring für Plasmabrenner

Country Status (3)

Country Link
EP (1) EP2293655B1 (de)
ES (1) ES2605819T3 (de)
FR (1) FR2949638B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2649314C1 (ru) * 2013-12-11 2018-04-02 Эпплайд Плазма Инк Ко., Лтд. Плазменный генератор
CN110303228B (zh) * 2019-06-10 2021-08-03 日照唐晟锯业有限公司 等离子切割机用切割喷嘴
CN114731756A (zh) * 2019-11-11 2022-07-08 林德有限责任公司 聚焦孔对准的等离子弧焊矩

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1322260A (fr) * 1962-02-14 1963-03-29 Saint Gobain Chalumeau à flamme de plasma
JPS5744467A (en) * 1980-08-28 1982-03-12 Nippon Steel Corp Plasma cutter
US4389559A (en) 1981-01-28 1983-06-21 Eutectic Corporation Plasma-transferred-arc torch construction
FR2698301B1 (fr) 1992-11-20 1994-12-23 Soudure Autogene Francaise Torche de coupage plasma.
US5624586A (en) 1995-01-04 1997-04-29 Hypertherm, Inc. Alignment device and method for a plasma arc torch system
CA2210136A1 (en) * 1995-01-31 1996-08-08 Komatsu Ltd. Processing torch
US6215090B1 (en) 1998-03-06 2001-04-10 The Esab Group, Inc. Plasma arc torch
US9079265B2 (en) * 2008-08-22 2015-07-14 Kjellberg Finsterwalde Plasma Und Maschinen Gmbh Interconnection arrangement for a plasma torch wearing part and part holder

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ES2605819T3 (es) 2017-03-16
FR2949638A1 (fr) 2011-03-04
FR2949638B1 (fr) 2016-10-28
EP2293655A1 (de) 2011-03-09

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