EP1837096B1 - Procédé destiné à la fabrication d'une douille conique - Google Patents

Procédé destiné à la fabrication d'une douille conique Download PDF

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Publication number
EP1837096B1
EP1837096B1 EP07005976A EP07005976A EP1837096B1 EP 1837096 B1 EP1837096 B1 EP 1837096B1 EP 07005976 A EP07005976 A EP 07005976A EP 07005976 A EP07005976 A EP 07005976A EP 1837096 B1 EP1837096 B1 EP 1837096B1
Authority
EP
European Patent Office
Prior art keywords
wire
winding
cone
shaped
strand
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
EP07005976A
Other languages
German (de)
English (en)
Other versions
EP1837096A1 (fr
Inventor
Martin Jun. Niklas
Johann Köpf
Nikolaus Reimann
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.)
Otto Bihler Handels Beteiligungs GmbH
Original Assignee
Otto Bihler Handels Beteiligungs GmbH
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 Otto Bihler Handels Beteiligungs GmbH filed Critical Otto Bihler Handels Beteiligungs GmbH
Publication of EP1837096A1 publication Critical patent/EP1837096A1/fr
Application granted granted Critical
Publication of EP1837096B1 publication Critical patent/EP1837096B1/fr
Not-in-force 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
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F37/00—Manufacture of rings from wire
    • 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
    • B21D53/00—Making other particular articles
    • B21D53/16—Making other particular articles rings, e.g. barrel hoops
    • 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
    • B21D53/00—Making other particular articles
    • B21D53/16—Making other particular articles rings, e.g. barrel hoops
    • B21D53/20—Making other particular articles rings, e.g. barrel hoops washers, e.g. for sealing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F3/00—Coiling wire into particular forms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
    • B21K1/761—Making machine elements elements not mentioned in one of the preceding groups rings

Definitions

  • the present invention relates to a method for producing a cone-shaped sleeve according to the preamble of claim 1.
  • Such a method for producing a conical disk spring is known from JP 02 176 225 A and from the EP-A-0 879 661 known.
  • Conical sleeves are used in hydraulic or pneumatic systems and in particular in the sanitary sector to support a sealing effect, for example between a supply line to a valve and a corner valve connected thereto.
  • Such angle valves serve to be able to interrupt a supply line connected to the angle valve, for example a domestic installation, from the supply line to the fitting. Since the valves are usually supplied with both hot and cold water, two angle valves and thus also two conical sleeves are normally required per installed valve. From this it is clear that the Konushülse is a mass product that must be produced in very large quantities.
  • the invention proposes the method according to claim 1.
  • This method is based on the plastic deformation of a wire section, so that can be dispensed with a machining production.
  • the material waste arising during the production process of the conical sleeve can be avoided, which is particularly advantageous in view of the scarcity of resources in the materials from which the conical sleeve is made.
  • the plastic deformation steps can be performed significantly faster compared to the machining, so that more cone sleeves can be produced per unit time. Overall, therefore, a more cost-effective production of cone sleeves is made possible by the claimed method.
  • the wire section is formed into a flat wire section before winding.
  • the cross-sectional area of the wire portion which is normally, but not exclusively, formed circular, is transformed into an oval-like cross-sectional area having two longitudinal sides which are interconnected by broad sides, wherein the broad sides are formed shorter than the longitudinal sides.
  • the wire section is cut off from a wire strand.
  • a free end of the wire strand, which forms the wire section to be formed wound in accordance with the above method to a wire ring segment, wherein previously the forming is performed to the flat wire section.
  • the wire segment formed by the winding, still connected to the wire strand is cut off after winding from the wire strand.
  • the wire strand or the wire section is rolled or is pulled by a pulling tool.
  • the cone-shaped sleeve produced from the wire ring segment by forming the same circumferentially preferably covers an angle between 345 ° and 360 °, wherein it is particularly preferred when the angle is about 355 °.
  • the cone sleeve has two circumferentially opposite free ends, which form an opening in the conical sleeve in the circumferential direction.
  • This opening causes the tapered sleeve can be elastically deformed in their use to a certain extent, so that they can be optimally adapted to corresponding supply lines or sealing elements, which may not always be completely identical due to manufacturing inaccuracies.
  • This adaptability of the conical sleeve, the sealing effect at the transition between an angle valve and a fitting supply line can be improved.
  • the forming into the cone-shaped sleeve is preferably carried out as a pressing process using a stamping die and a stamping mold.
  • a wire material is preferably a non-ferrous metal, in particular a copper alloy, for.
  • a copper alloy for.
  • brass into consideration, because these materials can be very well by plastic forming, such as rolling, drawing and pressing, bring in a desired shape.
  • the finished conical sleeve has a radial inner surface, which is formed in the axial direction substantially parallel to the winding axis of the conical sleeve, and a radial outer surface which is formed inclined in the axial direction to the winding axis.
  • a conical sleeve comes with its inner surface in abutment with an outer surface of a supply line to a fitting and with its inclined, conical outer surface in contact with a corresponding inner circumference of a Union nut, which is screwed to the angle valve.
  • a centering of the nut to be screwed with the angle valve with respect to the fitting supply line is achieved by the conical design.
  • the conical sleeve has a radial cross-sectional area in the form of a triangle or a trapezium.
  • Fig. 1 are shown in a schematic representation of the essential manufacturing steps of a conical sleeve according to the sub-figures a) - d).
  • Fig. 1a which is a lateral plan view
  • a wire strand 10 is passed through two opposing rollers, of which only one roller 12 is shown.
  • the flat wire section 14 is then a winding device, not shown fed, in which it is wound with one of its side surfaces 16 adjacent to a winding mandrel with a winding axis W.
  • the flat wire section 14 is formed into a wire ring segment 18.
  • the wire ring segment 18 has a helical spring-like shape and is cut off by a winding device associated, also not shown cutting device from hitherto continuous, but reshaped wire strand 10. The cutting takes place approximately at the point indicated by the arrow S point of the wire ring segment 18th
  • the wire ring segment 18 is provided as a single part in the manufacturing process, as in Fig. 1b ) is indicated.
  • This wire ring segment 18 still has substantially the same radial cross-sectional area as the flat wire section 14.
  • the wire ring segment 18 is then fed to a press in which it is converted by a stamping process into a finished tapered sleeve 20, which in the Figure 1c ) in a sectional view along the line C - C of the plan view in FIG Fig. 1d ) is shown.
  • the conical sleeve 20 has a radial outer peripheral surface 22, which is inclined with respect to the winding axis W.
  • a radial inner peripheral surface 24 extends substantially parallel to the winding axis W, wherein it is also possible to provide in this inner peripheral surface 24, for example, a kind gradation, as indicated at 26, to the best possible connection of the tapered sleeve 20 to a sealing element allow, so that an optimal sealing function is ensured.
  • the conical sleeve 20 has a radial cross-sectional area 28, which has the shape of a trapezoid.
  • the conical sleeve 20 is formed as a ring segment having an opening 30 in the circumferential direction, in which two free ends 32, 34 of the conical sleeve 20 are opposite to a desired distance.
  • the conical sleeve 20 covers an angle of 345 ° to 360 °, so that between the two free end 32 and 34 formed opening 30 has an angle ⁇ from 0 to 15 °. It is particularly preferred in this case if the angle ⁇ is in the range of 2 to 8 °.
  • the opening 30 allows the conical sleeve 20 to be elastically deformed in accordance with its material properties and in dependence on the angle ⁇ formed by the opening 30. As a result, the conical sleeve 20 can be optimally adapted in a completely assembled state to its associated components.
  • An angle valve 40 has a threaded connection 42, which can be connected to a supply line, not shown, for example, a domestic installation. Furthermore, the angle valve 40 has a fitting connection 42 substantially orthogonal fitting connection 44, to which a fitting supply line 46 by means of a sealing member 48, the conical sleeve 20 and a union nut 50, which can be screwed onto the Armaturzu effet für Technology 44, can be connected. In this type of connection, the sealing element 48 is placed on an edge 52 of the feed connection 44, and then fastened by means of the nut 50.
  • the nut 50 has a corresponding with the inclined outer peripheral surface 22 of the conical sleeve 20 inner peripheral surface, so that by tightening the nut 50 on the connecting thread portion 44, an axial force is exerted on the conical sleeve 20 and thus on the sealing element 48, so that between the angle valve 40 and the fitting supply line 46 due to the crimp connection produced an optimum sealing effect is ensured.
  • the angle valve 40 has a shut-off device 56, with which the flow from the supply line to the fitting supply line 46 can be regulated or turned off.
  • conical sleeves can also come in other types of valves or wiring or the like. Be used.
  • conical sleeves have a diameter of about 5 to 25 mm, in particular in the use mentioned.
  • cone sleeves can be made with larger dimensions.
  • sleeves with the proposed forming method, it is also possible to produce sleeves with a different shape, in particular double-conical sleeves or the like, for hydraulic applications, for example.
  • the proposed method for producing a conical sleeve represents a cost-effective and resource-saving alternative to the previously known machining, wherein about 5 to 10 times the number of conical sleeves can be produced per unit time, compared with the known machining method. Based on tests carried out by the Applicant, a production of approximately 200 conch pulses per minute can be expected, which number may vary up or down in actual production, depending on the size of the sleeve to be produced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)
  • Lift Valve (AREA)
  • Ropes Or Cables (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Claims (4)

  1. Procédé de fabrication d'une douille conique (20) comprenant les étapes suivantes :
    enroulement d'un segment de fil (14) en un segment annulaire de fil (18) ; et
    déformation du segment annulaire de fil (18) en douille conique (20) au moyen d'un outillage de frappe et d'une matrice,
    caractérisé en ce que
    le segment de fil (14) reste relié à une corde de fil (10) lors de l'enroulement, la corde de fil (10) étant déformée avant l'enroulement en un segment de fil plat (14), en ce que le segment annulaire de fil (18) est coupé de la corde de fil (10) après l'enroulement et en ce que la surface intérieure radiale (24) de la douille (20) est façonnée dans le sens axial sensiblement parallèlement à l'axe d'enroulement (W) et sa surface extérieure radiale (22) dans le sens axial inclinée vers l'axe d'enroulement (W), de telle manière qu'une surface de section transversale radiale (28) de la douille (20) présente la forme d'un triangle ou d'un trapèze.
  2. Procédé selon la revendication 1, caractérisé en ce que le segment de fil plat (14) est formé par laminage ou extrusion par étirage de la corde de fil (10) et/ou du segment de fil.
  3. Procédé selon l'une quelconque des revendications Précédentes, caractérisé en ce que la douille conique (20) couvre dans le sens périphérique un angle allant de 345° à 360°, de préférence un angle d'environ 355°.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'on utilise un métal, de préférence un métal non ferreux, notamment en alliage de cuivre, comme matériau de fil.
EP07005976A 2006-03-22 2007-03-22 Procédé destiné à la fabrication d'une douille conique Not-in-force EP1837096B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006013238A DE102006013238A1 (de) 2006-03-22 2006-03-22 Verfahren zur Herstellung einer konusförmigen Hülse

Publications (2)

Publication Number Publication Date
EP1837096A1 EP1837096A1 (fr) 2007-09-26
EP1837096B1 true EP1837096B1 (fr) 2010-03-10

Family

ID=38121797

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07005976A Not-in-force EP1837096B1 (fr) 2006-03-22 2007-03-22 Procédé destiné à la fabrication d'une douille conique

Country Status (4)

Country Link
EP (1) EP1837096B1 (fr)
AT (1) ATE460241T1 (fr)
DE (2) DE102006013238A1 (fr)
ES (1) ES2341293T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010053720A1 (de) * 2010-12-01 2012-06-06 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Verfahren zur Herstellung eines Kupplungskörpers

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE120753C (fr) *
US1377266A (en) * 1918-08-05 1921-05-10 Mossberg Frank Process for manufacturing metal rings
US2271731A (en) * 1938-09-30 1942-02-03 Chappuis John Albert Manufacture of washers
US2221064A (en) * 1939-01-06 1940-11-12 Scovill Manufacturing Co Ball type detachable coupling
FR2098595A5 (fr) * 1970-07-21 1972-03-10 Floquet Monopole
JPH02176225A (ja) * 1988-12-28 1990-07-09 Aisin Seiki Co Ltd 摩擦トルク発生機構
FR2763523B1 (fr) * 1997-05-20 1999-08-06 Sofedit Procede de fabrication d'une piece annulaire plate ou tronconique et piece obtenue par ce procede
DE19831189A1 (de) * 1998-07-11 2000-01-20 Freudenberg Carl Fa Verfahren zur Herstellung von Blechringen
DE60214555T2 (de) * 2001-07-03 2007-09-06 Kanai, Hiroaki, Ashiya Verfahren zur herstellung eines rohrkupplungsgreifrings und vorrichtung zur herstellung eines rohrkupplungsgreifrings
US7267372B2 (en) * 2001-10-11 2007-09-11 Pi-Thon Designs, Inc. Tube connector
US20040061333A1 (en) * 2002-09-30 2004-04-01 Chu Henry C. Conduit coupling
FR2847962B1 (fr) * 2002-11-29 2007-02-02 Ades Technologies Dispositif de raccordement et de liaison de canalisations
US6780260B1 (en) * 2002-12-10 2004-08-24 The United Sates Of America As Represented By The Secretary Of The Navy Non-welded shape memory alloy rings produced from roll flattened wire

Also Published As

Publication number Publication date
EP1837096A1 (fr) 2007-09-26
ES2341293T3 (es) 2010-06-17
ATE460241T1 (de) 2010-03-15
DE102006013238A1 (de) 2007-09-27
DE502007003053D1 (de) 2010-04-22

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