EP3100827B1 - Système de levier de presse doté d'un levier de presse et d'une mâchoire de presse - Google Patents

Système de levier de presse doté d'un levier de presse et d'une mâchoire de presse Download PDF

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Publication number
EP3100827B1
EP3100827B1 EP15170256.0A EP15170256A EP3100827B1 EP 3100827 B1 EP3100827 B1 EP 3100827B1 EP 15170256 A EP15170256 A EP 15170256A EP 3100827 B1 EP3100827 B1 EP 3100827B1
Authority
EP
European Patent Office
Prior art keywords
pressing
jaw
press
receiving surface
pressing 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.)
Active
Application number
EP15170256.0A
Other languages
German (de)
English (en)
Other versions
EP3100827A1 (fr
Inventor
Ernst Heimgartner
Patrick Mainhart
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.)
Geberit International AG
Original Assignee
Geberit International AG
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 Geberit International AG filed Critical Geberit International AG
Priority to EP15170256.0A priority Critical patent/EP3100827B1/fr
Priority to DE202016102438.2U priority patent/DE202016102438U1/de
Publication of EP3100827A1 publication Critical patent/EP3100827A1/fr
Application granted granted Critical
Publication of EP3100827B1 publication Critical patent/EP3100827B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/10—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting fittings into hoses
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/04—Movable or exchangeable mountings for tools
    • 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
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods

Definitions

  • the present invention relates to a press lever arrangement with a press lever and a press jaw according to the preamble of claim 1.
  • Such a press lever arrangement is off DE 297 17 314 U known.
  • Pressing tools for pressing pressing elements in particular press fittings, pipes and sleeves, have become known from the prior art.
  • the DE 20 2011 101 995 shows a press tool with two press levers made of fiber composite material, with a press jaw being inserted into the respective press lever during curing.
  • the press jaw is firmly connected to the press levers.
  • a disadvantage of the press tool DE 20 2011 101 995 is the connection between the press lever and the press jaw, which can be impaired during the pressing process.
  • a press lever arrangement comprises a press lever and a press jaw.
  • the press lever has a press jaw receptacle with a receiving surface.
  • the press jaw has a press surface that extends partially around a central axis and has a press contour and a receiving surface.
  • the press jaw can be positioned with its receiving surface in the press jaw receptacle of the press lever.
  • the press lever and press jaw are therefore connected to one another via the respective receptacle.
  • the press lever arrangement further comprises at least one securing element which is arranged or designed in such a way that a relative displacement between the press jaw and the press jaw receptacle can be prevented. It is also conceivable to arrange two or at least two securing elements.
  • the press jaw is thus held in the press jaw receptacle by the securing element. Because of this fixed positioning, the quality of the individual crimps can be maintained.
  • the material of the press lever is tempered steel and the material of the press jaw is case-hardened steel.
  • a particularly wear-resistant press lever arrangement can be provided by this choice of material.
  • the optimal material can be used for each part of the press lever arrangement.
  • the pressing jaw and the pressing lever are two separate elements which are put together and secured to one another via the securing element.
  • the at least one securing element is preferably designed as a separate element for the press lever and for the press jaw.
  • the at least one securing element can be connected to the press lever and / or the press jaw, so that a relative displacement between the press jaw and the press jaw holder can be prevented.
  • the at least one securing element can also be part of the press lever and / or the press jaw.
  • the at least one securing element is arranged such that a Displacement of the press jaw relative to the press jaw receptacle along the central axis and a displacement around the central axis can be prevented.
  • the press jaw is fixed in position in the press jaw holder.
  • the receiving surface of the press jaw receptacle and the receiving surface of the press jaw preferably have the shape of a cylinder, in particular a half cylinder, which partially extends around the central axis.
  • elliptical bearing surfaces or bearing surfaces made up of several sections, such as a hexagonal bearing surface are also conceivable.
  • a substantially full-surface contact is preferably established between the receiving surface of the press jaw receptacle and the receiving surface of the press jaw. This means that the receiving surface are essentially congruent.
  • the receiving surfaces are in direct or indirect contact with one another, depending on the design of the securing element.
  • the at least one securing element is at least one securing pin which is inserted into a bore that runs partially through the press jaw and partially through the press lever. More than one locking pin can particularly preferably also be used. In particular, two locking pins are preferably used at a distance from one another. For this purpose, two bores arranged at a distance from one another are provided.
  • the bore or the lateral surface of the locking pin preferably penetrates the two receiving surfaces in sections.
  • the central axis of the bore or the central axis of the locking pin preferably penetrates the two receiving surfaces in sections.
  • the at least one locking pin preferably runs transversely and at a distance from the central axis of the pressing surface. Alternatively, the at least one locking pin runs parallel to and at a distance from the central axis. A combined arrangement transverse and parallel to the central axis is also conceivable if several locking pins are present. The locking pin could also be oriented at an angle to the central axis.
  • the at least one securing element is an elevation which extends away from one of the receiving surfaces and which engages with a depression extending into the other receiving surface. There can be several elevations and several depressions. The elevation engages in the recess.
  • the elevation preferably extends away from the receiving surface of the press jaw receptacle and the recess extends into the receiving surface of the pressing jaw, the elevation or recess preferably being arranged in the end regions of said receiving surface.
  • the elevation or depression is preferably designed to run around the central axis and / or around the central axis.
  • the at least one elevation or the depression is preferably arranged in the corresponding edge regions of the receiving surface and thus forms a stop against a relative movement between the press jaw receptacle and the press jaw.
  • the at least one securing element is formed by the securing element according to the first embodiment and that according to the second embodiment. It is therefore a combined arrangement of the locking pin and the elevation.
  • the securing pin is oriented transversely to said central axis and the elevation is oriented parallel to said central axis.
  • the securing element is a material connection between the press jaw receptacle and the press jaw, wherein the material connection is in particular a soldered connection and / or in particular a welded connection and / or in particular an adhesive connection.
  • the securing element is provided by the securing pin, the elevation and the material connection. In a further embodiment, the securing element is provided by the elevation and the material connection.
  • the securing element is provided by a force-fit connection between the pressing jaw and the pressing jaw holder, the securing element being provided in particular by inserting the pressing jaws by means of a heat sinking method.
  • This embodiment can also be combined with any other embodiment mentioned above.
  • the combination of locking pin, elevation and insertion with the heat sink method is particularly preferred.
  • the combination of heat reduction and mechanical fixation is particularly advantageous with regard to holding the press jaws in the press jaw holder.
  • the receiving surface of the press jaw receptacle is preferably essentially congruent with the receiving surface of the press jaw.
  • the press jaw is preferably designed as an interchangeable insert. This means that press jaws can be exchanged in the event of a defect and / or that press jaws with different press contours can be used in the same press lever.
  • the receiving surface and the other features relating to the interface between the press jaw and press lever are identical among the different press jaws.
  • the securing element is preferably designed in such a way that it can only be replaced in the event of maintenance and not in daily use.
  • the receiving surfaces preferably extend cylindrically around the said central axis of the pressing contour.
  • the receiving surface extends in a circular-cylindrical manner around the central axis of the pressing contour.
  • a press tool comprises two press lever arrangements as described above, one press lever being pivotable about a first pivot axis and the other press lever pivotable about a second pivot axis from an initial position into a pressing position.
  • the two press levers are preferably mounted pivotably on at least one common support structure via their respective pivot axis.
  • the press lever arrangement 1 is shown in combination with a press tool.
  • the pressing tool here comprises two pressing lever arrangements 1 as described below.
  • the one press lever is about a first pivot axis A1 and the other press lever can be pivoted about a second pivot axis A2 from a starting position into a pressing position.
  • the two press levers are connected here via two support elements 13 arranged at a distance from one another. The press levers can be pivoted relative to the support elements 13.
  • the press lever assembly comprises a press lever 2 and a press jaw 3.
  • the press lever 2 has a press jaw receptacle 4 with a receiving surface 5.
  • the pressing jaw 3 can be inserted into this pressing jaw receptacle 4.
  • the pressing jaw 3 in turn comprises a pressing surface 6, which extends partially around a central axis M, with a pressing contour 7 and a receiving surface 8.
  • the pressing jaw 3 can be positioned with its receiving surface 8 in the pressing jaw receptacle 4 of the pressing lever 2.
  • the receiving surface 8 of the pressing jaw 4 is in contact with the receiving surface 5 of the pressing jaw receptacle 4 of the pressing lever 2.
  • the pressing contour 7 lies opposite the receiving surface 8 and is essentially concave, so that a part to be pressed, such as a fitting to be pressed, can be pressed through the pressing contour 7.
  • the press lever arrangement 1 further comprises at least one securing element 9 which is arranged or designed in such a way that a relative displacement between the press jaw 3 and the press jaw receptacle 4 can be prevented. With the securing element 9, the press jaw 3 is held in a fixed position in the press jaw receptacle 4 of the press lever 2.
  • the securing element 9 is preferably designed in such a way that the pressing jaw 3 is exchangeable, that is to say the pressing jaw 3 can be removed from the pressing jaw receptacle 4 and replaced by another pressing jaw 3.
  • the securing element 9 is preferably designed in such a way that it can only be replaced in the case of maintenance and not in daily use.
  • the at least one securing element 9 is arranged in such a way that a displacement between the press jaw 3 and press jaw holder 4 along the central axis M and around the central axis M can be prevented. This means that the securing element 9 ensures that the pressing jaw 4 is immovably mounted in the pressing jaw holder 4.
  • the receiving surface 5 of the pressing jaw receptacle 4 and the receiving surface 8 of the pressing jaw 3 have the shape of a cylinder partially extending around the central axis M.
  • the cylinder preferably has the cross section of part of a circular cylinder, that is to say the cylinder has a constant radius.
  • the receiving surface 5 of the pressing jaw receptacle 4 and the receiving surface 8 of the pressing jaw 3 are congruent or congruent with one another.
  • the two receiving surfaces 5, 8 are particularly preferably in flat contact with one another.
  • the at least one securing element 9 is provided by a securing pin 9, an elevation 10 in cooperation with a recess 11 and the use of an optional heat sinking method when inserting the pressing jaw 3 into the pressing jaw receptacle 4. It is also conceivable to use other securing elements in combination with those mentioned or on their own or in another combination.
  • the securing pin 9 is inserted in a bore 12 which runs partly through the press jaw 3 and partly through the press lever 2.
  • the bore 12 is designed in such a way that it extends in sections through the two receiving surfaces 5, 8.
  • the bore 12 penetrates or intersects the two receiving surfaces 5, 8.
  • the same can be said with regard to the lateral surface 14 of the locking pin 9.
  • the lateral surface 14 of the securing pin 9 penetrates the two receiving surfaces 5, 8 in sections. Consequently, the securing pin 9 provides a stop with respect to a movement around the central axis M and along the central axis M between the pressing jaw 3 and the pressing jaw holder 4.
  • two locking pins 9 and two bores 12 are shown in FIG which the locking pins 9 are inserted, available.
  • the bores 12 are arranged at a distance from one another, as a result of which the locking pins 9 also come to lie at a distance from one another.
  • the locking pins 9 are placed here transversely and at a distance from the central axis M of the pressing surface 6.
  • the at least one locking pin 9 can also run parallel to and at a distance from the central axis M.
  • an elevation 10 at the respective ends of the receiving surface 5 extends away from the receiving surface 5 of the press jaw receptacle 4.
  • the elevation 10 extends essentially in the direction of said central axis M.
  • the recess 11 extends from the receiving surface 8 of the press jaw 3 into the receiving surface 8.
  • the recess 11 is arranged at the end of the respective receiving surface 8 and, in other words, forms a kind of extension of the receiving surface 8.
  • the cooperation between the elevation 10 and recess 11 provides an additional securing element.
  • the elevation 10 and recess 11 essentially ensure that the pressing jaw 3 cannot fall out of the pressing jaw receptacle 4 in the transverse direction to the central axis M.
  • the pairing of elevation 10 / recess 11 is preferably arranged on the edge regions of the receiving surfaces 5, 8, so that the force acting on the receiving surface is not impaired during the pressing process.
  • a pairing of elevation 10 / depression 11 could also be arranged within the corresponding receiving surfaces.
  • the pairing of elevation 10 / depression 11 could also extend circumferentially along the respective receiving surface 5, 8.
  • the securing element is additionally provided by inserting the pressing jaw into the pressing jaw receptacle 4 by means of a heat sinking method.
  • a temperature difference is produced between the press jaw 3 and the press jaw holder 4 such that the press jaw holder 4 can expand with respect to the press jaw 3. This is achieved, for example, by cooling the press jaw 3 or heating the press jaw holder 4.
  • a small amount of play can be created between the press jaw 3 and the press jaw holder 4, which allows the press jaw 3 to be inserted into the press jaw holder 4.
  • the press jaw 4 then sits snugly in the press jaw receptacle 4.
  • the material of the press lever 2, in which the press jaw holder 4 is arranged is a quenched and tempered steel with tough fracture behavior.
  • the tempered steel could be 42CrMo4, for example.
  • the material of the press jaw 3 is case-hardened steel or ceramic against wear.
  • the case-hardening steel could be 18CrNiMo7-6, for example. In this way, an optimal pairing of materials can be achieved with regard to the various requirements.
  • the two pivot axes A1 and A2 are provided by a bore 12. Below the bore, that is, opposite the press jaw receptacle 4, the press lever 2 has a contact contour 15 via which a tool can act on the press lever 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Clamps And Clips (AREA)

Claims (14)

  1. Agencement de levier de sertissage (1) comprenant un levier de sertissage (2) et une mâchoire de sertissage (3),
    dans lequel le levier de sertissage (2) a un logement de mâchoire de sertissage (4) avec une surface de réception (5) et
    dans lequel la mâchoire de sertissage (3) présente une surface de sertissage (6) s'étendant partiellement autour d'un axe central (M) avec un contour de sertissage (7) et une surface de réception (8), dans lequel la mâchoire de sertissage (3) peut être positionnée avec sa surface de réception (8) dans le logement de mâchoire de sertissage (4) du levier de sertissage (2),
    dans lequel l'agencement de levier de sertissage (1) comprend en outre au moins un élément de fixation (9; 10, 11) qui est agencé ou conçu de telle sorte qu'un déplacement relatif entre la mâchoire de sertissage (3) et le logement de mâchoire de sertissage (4) peut être évité, caractérisé en ce que le matériau du levier de sertissage est de l'acier thermo-traité et en ce que le matériau de la mâchoire de sertissage est de l'acier cémenté ou de la céramique.
  2. Agencement de levier de sertissage (1) selon la revendication 1, caractérisé en ce que l'au moins un élément de fixation (9; 10, 11) est agencé de telle sorte qu'un déplacement de la mâchoire de sertissage (3) par rapport au logement de mâchoire de sertissage (4), le long de l'axe central (M) et un déplacement autour de l'axe central (M), peut être évitée.
  3. Agencement de levier de sertissage (1) selon la revendication 1 ou 2, caractérisé en ce que la surface de réception (5) du logement de mâchoire de sertissage (4) et la surface de réception (8) de la mâchoire de sertissage (3) ont la forme d'un cylindre s'étendant partiellement autour de l'axe central (M), en particulier d'un demi-cylindre.
  4. Agencement de levier de sertissage (1) selon l'une des revendications précédentes, caractérisé en ce que l'au moins un élément de fixation (9) est une goupille de sécurité (9) laquelle est insérée dans un alésage (12) passant en partie à travers la mâchoire de sertissage (3) et en partie à travers le levier de sertissage (2).
  5. Agencement de levier de sertissage (1) selon la revendication 4, caractérisé en ce que l'alésage (12) ou la surface latérale (14) de la goupille de verrouillage (9) pénètre les deux surfaces de réception (5, 8) par sections.
  6. Agencement de levier de sertissage (1) selon la revendication 4 ou 5, caractérisé en ce que l'axe central (M9) de l'alésage (13) respectivement l'axe central (M9) de la goupille de verrouillage (9) pénètre les deux surfaces de réception (5, 8) par sections.
  7. Agencement de levier de sertissage (1) selon l'une des revendications précédentes 4 à 6, caractérisé en ce que l'au moins une goupille de verrouillage (9) s'étend transversalement et à distance de l'axe central (M) de la surface de sertissage (6); et / ou que l'au moins une goupille de verrouillage (9) s'étend parallèlement à et à distance de l'axe central (M).
  8. Agencement de levier de sertissage (1) selon l'une des revendications précédentes, caractérisé en ce que l'au moins un élément de fixation (10, 11) est une élévation (10) faisant saillie de l'une des surfaces de réception, qui vient en prise avec une dépression (11) s'étendant dans l'autre surface de réception.
  9. Agencement de levier de sertissage (1) selon la revendication 8, caractérisé en ce que l'élévation (10) fait saillie en s'éloignant de la surface de réception (5) du logement de mâchoire de sertissage (4) et en ce que la dépression (11) s'étend dans la surface de réception (8) de la mâchoire de sertissage (3), dans lequel l'élévation (10) respectivement la dépression (11) est de préférence disposée dans les régions d'extrémité (13) de ladite surface de réception (5).
  10. Agencement de levier de sertissage (1) selon l'une des revendications 8 ou 9, caractérisé en ce que l'élévation (10) respectivement la dépression (11) est conçue pour se déplacer en direction de l'axe central (M) et / ou autour de l'axe central (M).
  11. Agencement de levier de sertissage (1) selon l'une des revendications précédentes, caractérisé en ce que l'élément de fixation est une liaison cohésive entre le logement de mâchoire de sertissage et la mâchoire de sertissage, la liaison cohésive étant notamment un joint de brasage et / ou en particulier un joint soudé et / ou en particulier un joint adhésif.
  12. Agencement de levier de sertissage (1) selon l'une des revendications précédentes, caractérisé en ce que l'élément de fixation est réalisé par une liaison par friction entre la mâchoire de sertissage (3) et le logement de mâchoire de sertissage (4), en particulier par insertion de la mâchoire de sertissage (3) dans le logement de mâchoire de sertissage (4) au moyen d'un procédé d'insertion thermique.
  13. Agencement de levier de sertissage (1) selon l'une des revendications précédentes, caractérisé en ce que la surface de réception (5) du logement de mâchoire de sertissage (4) est sensiblement congruente avec la surface de réception (8) de la mâchoire de sertissage (3) et / ou en ce que les surfaces de réception (5, 8) s'étendent autour dudit axe central (M) du contour de pressage (7) de manière cylindrique, notamment circulaire cylindrique.
  14. Outil de sertissage comprenant deux agencements de levier de sertissage (1) selon l'une des revendications précédentes, dans lequel l'un levier de sertissage est pivotable autour d'un premier axe de pivotement (A1) et l'autre levier de sertissage est pivotable autour d'un deuxième axe de pivotement (A2), d'une position de départ à une position de sertissage.
EP15170256.0A 2015-06-02 2015-06-02 Système de levier de presse doté d'un levier de presse et d'une mâchoire de presse Active EP3100827B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP15170256.0A EP3100827B1 (fr) 2015-06-02 2015-06-02 Système de levier de presse doté d'un levier de presse et d'une mâchoire de presse
DE202016102438.2U DE202016102438U1 (de) 2015-06-02 2016-05-06 Presshebelanordnung mit einem Presshebel und einer Pressbacke

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15170256.0A EP3100827B1 (fr) 2015-06-02 2015-06-02 Système de levier de presse doté d'un levier de presse et d'une mâchoire de presse

Publications (2)

Publication Number Publication Date
EP3100827A1 EP3100827A1 (fr) 2016-12-07
EP3100827B1 true EP3100827B1 (fr) 2021-01-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP15170256.0A Active EP3100827B1 (fr) 2015-06-02 2015-06-02 Système de levier de presse doté d'un levier de presse et d'une mâchoire de presse

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EP (1) EP3100827B1 (fr)
DE (1) DE202016102438U1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017106744A1 (de) * 2017-03-29 2018-10-04 Viega Technology Gmbh & Co. Kg Pressmittel zum Verpressen eines Fittings
EP3600776B1 (fr) * 2017-09-04 2022-07-20 Rothenberger AG Matrice de pressage pour un outil de presse pour le pressage de sections tubulaires de pièces à usiner
USD1025732S1 (en) * 2023-08-03 2024-05-07 Qing Dai Hydraulic tool

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0771615A1 (fr) * 1995-11-03 1997-05-07 Rothenberger Werkzeuge AG Appareil de sertissage pour sertissage radial de connexions de tubes
DE29717314U1 (de) * 1997-09-27 1997-11-06 Novopress Gmbh Preßwerkzeug
DE19924087C2 (de) * 1999-05-26 2002-06-20 Wezag Gmbh Zange zum Verpressen von Fassungen, Rohren, Kabelschuhen und dgl.
DE20318618U1 (de) * 2003-12-02 2005-04-14 Gustav Klauke Gmbh Verpressbackenpaar für ein Presswerkzeug
DE202011101995U1 (de) 2011-06-17 2012-09-19 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kg Presselement

Non-Patent Citations (1)

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

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Publication number Publication date
DE202016102438U1 (de) 2016-09-05
EP3100827A1 (fr) 2016-12-07

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