EP1972394B1 - Dispositif de pressage pour pièces à usiner tubulaires - Google Patents

Dispositif de pressage pour pièces à usiner tubulaires Download PDF

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Publication number
EP1972394B1
EP1972394B1 EP08004038A EP08004038A EP1972394B1 EP 1972394 B1 EP1972394 B1 EP 1972394B1 EP 08004038 A EP08004038 A EP 08004038A EP 08004038 A EP08004038 A EP 08004038A EP 1972394 B1 EP1972394 B1 EP 1972394B1
Authority
EP
European Patent Office
Prior art keywords
pressing
coupling
loop
pressing device
transfer gripper
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
EP08004038A
Other languages
German (de)
English (en)
Other versions
EP1972394A1 (fr
Inventor
Dr.Jur. Helmut Rothenberger
Stefan Geisperger
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.)
Rothenberger AG
Original Assignee
Rothenberger 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 Rothenberger AG filed Critical Rothenberger AG
Priority to PL08004038T priority Critical patent/PL1972394T3/pl
Publication of EP1972394A1 publication Critical patent/EP1972394A1/fr
Application granted granted Critical
Publication of EP1972394B1 publication Critical patent/EP1972394B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02Hand 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
    • B25B27/10Hand 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04Application 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 invention relates to a pressing device for tubular workpieces with a at least two-part press loop whose members are hinged together and having an opening region for the insertion of the workpieces, and with a two-double transfer wrench for the connection of the press loop with a drive unit, wherein between the press loop and the transfer tong are arranged on each side of the opening area coupling elements.
  • a pressing tool with a double-armed pressing pliers is known, one end of which surround a press mouth, which can be closed by a spreading movement of the other ends.
  • the unilaterally opening press mouth enclosing ends lie in the closed state of the forceps jaw in a plane and can be synchronously pivoted about a common axis by a tilt angle and locked in this form-fitting manner. If the forceps jaw is opened in the pivoted position, the surfaces of the forceps jaw are brought from a parallel position into an expanded position in the manner of an oval funnel, in which they can be pushed over a pipe connection.
  • the invention is therefore based on the object to provide in the above-mentioned prior art within the coupling points highly resilient surfaces, and yet to implement a conversion of the plane in which the press loop is opposite to the transfer tool and the drive unit, without a high wear in purchase to have to take.
  • the solution of the object is achieved according to the invention in that the change in the angular position of the press loop relative to the transfer tongs by implementing the press loop with open transfer tongs feasible, while the closing and pressing movement of the press loop is blocked by at least one locking device, which is associated with the coupling elements.
  • the object is achieved to the full extent, namely to implement a conversion of the plane in which the press loop is located, with respect to the transmission pliers and the drive unit, without having to accept a high degree of wear.
  • the previously selected angular position of the press sling with respect to the transfer tongs is maintained, so that only those friction occur due to the closing movement arise, but not by lateral forces this.
  • FIG. 1 and 2 is a transfer tool 1 with two double-armed caliper levers 2 and 3 shown, which are mounted by means of two bolts 4 between two T-shaped tabs 5, which can be fixed by means of holes 6 to a known and not shown here drive unit.
  • a drive unit has, by way of example, two rollers which can be pushed by means of a piston rod between two control surfaces 7 at the here free ends of the forceps levers 2 and 3.
  • This is also known.
  • a pair of pliers with a toggle lever system can be used which is suitably connected to the ends of the pliers levers 2 and 3 projecting downwards in the figures.
  • the holes 6 can also be omitted.
  • a press loop 8 is connected or connected, which has at least two members 9 which can be wrapped around a workpiece 10 such as a pipe or pipe section.
  • the press loop 8 which may also consist of three, four or more links, has at least one hinge 11 which allows mobility only in a plane defining the pressing direction (s) on the workpiece 10, and an opening portion 12 for the insertion of the workpieces 10 or the laying around of the press sling 8 to these workpieces 10th
  • the essence of the invention is concerned with the coupling elements K1 on the caliper levers 2 and 3 of the transfer tool 1 and the coupling elements K2 on the presser sling 8, which form a kind of coupling. But it is ensured by a positive connection between the coupling elements K1 and K2 that the levels of press loop 8 and transfer tongs 1 not twisted without separation of the coupling elements K1 and K2, but can be repositioned relative to each other only after such a separation, so that within the Reconnected coupling elements K1 / K2 during pressing no friction by a pivoting movement of the two levels occurs, as is the case in the prior art.
  • the transfer tool 1 is provided with two opposing pressure bodies 13 as coupling elements K1, which have coupling surfaces 14 and 15 on their free outer circumference.
  • the coupling surfaces 14 consist of an integer pair of circumferentially closed identical cylindrical surfaces whose intersecting lines 14a at least approximately in a spherical surface, analogous to sections of the meridians of the globe ( FIG. 3 ).
  • the coupling surface 15 is to a certain extent the pole cap of this system, but preferably has a larger radius than that of the clutch surfaces 14 FIGS. 3 to 6 explained in more detail.
  • the coupling elements K2 can be paired on both sides of the opening region 12 on the outer sides of the links 9 of the press sling 8. These have cavities 16 which have two mutually parallel coupling surfaces 16a as wall surfaces and a coupling surface 16b bridging these coupling surfaces 16a as the base surface. Further details will be given by the FIGS. 3 to 6 explained in more detail.
  • a recess 9a is provided in each member 9, in each of which one end of the joint 11, leaving a sufficient pivot angle can be inserted around the cylinder axis.
  • the larger recess 9b corresponds to a partial circumference of the pressing surface on the workpiece 10 and has a corresponding pressing contour.
  • the coupling elements K1 and their pressure body 13 each have a cylindrical extension 13a with a diametrical bore 13b and are thus fixed in bores 2a and 3a in the gun levers 2 and 3 axially and against rotation ( FIGS. 7 and 8 ).
  • the arrangement of the coupling surfaces 14 and 15 is coaxial with a common axis "A".
  • the coupling surface 16b is a conical surface
  • the contact takes place with her on a circle whose diameter by the choice of the opening angle of the coupling surface 16b on the one hand and the radius of the spherical coupling surface 15 on the other hand can be optimized.
  • a gradual change in the angular position of the press loop 8 and transfer tool 1 is thereby possible only in a position in which the pressure body 13 are pulled out of the press loop, as for example in FIG. 1 is shown. This is done manually by compressing the ends with the control surfaces 7 and against the force of a spreading spring 17 (FIG. FIGS. 7 and 8 )
  • FIGS. 9 to 11 show the following:
  • FIG. 9 are the transfer tong 1 and the press loop 8 in a common plane.
  • the press loop 8 After separation of all coupling surfaces according to FIG. 1 can the press loop 8 corresponding to the fineness of the surface division of the clutch surfaces 14 gradually implement, for example, in the positions according to the Figures 10 or 11 ,
  • FIGS. 12 to 19 explain the second embodiment, wherein the same reference numerals are used for the same parts as before or parts with the same function.
  • the pliers levers 2 and 3 also have here coupling elements K1, which, however, are constructed differently and each consist of a hollow nipple 18 in which a spherical segment 19 is movably mounted with a flat coupling surface 19a.
  • the ball segment 19 is larger than a hemisphere and held by the edge of the nipple 18.
  • the coupling elements K2 of the members 21 are based on the FIGS. 14 to 16 explained in more detail.
  • FIG. 14 is the lower portion of the member 21 along the plane EE in FIG. 15 cut.
  • a circular coupling surface 22 which is half of crenellated projections 23 with wedge-shaped cross sections is surrounded. Between these projections are parallel-walled spaces 24 whose width is adapted to the diameter of the projections 20.
  • FIGS. 17 to 19 show the interaction of transmission tongs 1 and press sling 8:
  • the FIG. 17 shows a section through a crimping device FIG. 13 Immediately before the pressing process, that is to say, when the workpiece 10 is already in force-free engagement.
  • the ball segment 19 is twisted and already lies with its coupling surface 19a flat on the coupling surface 22.
  • a projection 20 of the transfer tong 1 protrudes between two of the projections 23 of the associated member 21 of the press loop 8.
  • the FIG. 18 shows the possible end position after the pressing process and the FIG. 19 a perspective view of the pressing device in a position according to FIG. 17 ,
  • the second embodiment is ensured by the described form fit between the coupling elements K1 and K2 that the levels of press loop 8 and transfer tongs 1 not twisted without separation of the coupling elements K1 and K2, but can be repositioned relative to each other only after such a separation, so that within the rejoined coupling elements K1 / K2 during pressing no friction due to a pivoting movement of the two planes occurs, as is the case in the prior art.
  • the blocking devices consist of the cylindrical surfaces 14 with the edges formed by the intersection lines 14a on the pressure body 13 in conjunction with the distance "d" of the parallel lateral coupling surfaces 16a in the cavity 16.
  • the locking means consist of the pin-shaped projections 20 adjacent to the nipples 18 in connection with the crenellated projections 23 and their interstices 24 on a partial circumference of the coupling surfaces 22nd

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Automatic Assembly (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Clamps And Clips (AREA)
  • Press Drives And Press Lines (AREA)

Claims (16)

  1. Dispositif de presse pour pièces d'oeuvre tubulaires (10), comprenant une boucle de presse (8) au moins en deux parties, dont les deux parties (9, 21) sont reliées l'une à l'autre de manière articulée, et qui présente une zone d'ouverture (12) pour l'introduction des pièces d'oeuvre (10), le dispositif comprenant en outre une pince de transmission (1) à deux bras doubles destinée à assurer la liaison de la boucle de presse (8) à une unité d'entraînement, des éléments de couplage (K1, K2) étant agencés entre la boucle de presse (8) et la pince de transmission (1) de chaque côté de la zone d'ouverture (12), caractérisé en ce que la modification de la position angulaire de la boucle de presse (8) par rapport à la pince de transmission (1) peut être effectuée en changeant la position de la boucle de presse (8) lorsque la pince de transmission (1) est ouverte, alors que pendant le mouvement de fermeture et de compression de la boucle de presse (8), cette position angulaire est bloquée par au moins un mécanisme de blocage qui est associé aux éléments de couplage (K1, K2).
  2. Dispositif de presse selon la revendication 1, caractérisé en ce que les éléments de couplage (K2) de la boucle de presse (8) présentent chacun une cavité (16) comprenant deux surfaces d'accouplement latérales (16a) parallèles, ainsi qu'une surface d'accouplement (16b) qui les relie et forme la surface de fond, et en ce que les éléments de couplage (K1) de la pince de transmission (1) possèdent chacun un corps de pression (13) qui est délimité par un ensemble, fermé en périphérie, d'un nombre entier de surfaces d'accouplement cylindriques (14) identiques, dont les lignes d'intersection (14a) se situent au moins dans une large mesure dans une surface sphérique, la distance diamétrale d'espacement de ces surfaces d'accouplement (14) étant choisie de façon à ce qu'elles touchent les surfaces d'accouplement latérales (16a) de la cavité (16) dans la boucle de presse (8).
  3. Dispositif de presse selon la revendication 2, caractérisé en ce que les surfaces d'accouplement cylindriques (14) du corps de pression (13) circonscrivent un polygone approchant d'une sphère, et entourent une calotte polaire de forme sphérique en tant que surface d'accouplement supplémentaire (15), qui, lors de la fermeture de la pince de transmission (1), peut venir s'appliquer sur la surface d'accouplement (16b) dans le fond de la cavité (16) de la boucle de presse (8).
  4. Dispositif de presse selon la revendication 2, caractérisé en ce que deux corps de pression (13) sont insérés, en étant orientés l'un vers l'autre, dans les extrémités de la pince de transmission (1).
  5. Dispositif de presse selon la revendication 2, caractérisé en ce que les surfaces d'accouplement (16b) dans le fond des cavités (16) de la boucle de presse (8), sont de configuration plane.
  6. Dispositif de presse selon la revendication 2, caractérisé en ce que les surfaces d'accouplement (16b) dans le fond des cavités (16) de la boucle de presse (8), sont de configuration conique.
  7. Dispositif de presse selon la revendication 1, caractérisé en ce que le nombre des surfaces d'accouplement cylindriques (14) des corps de pression (13) se situe entre 6 et 16.
  8. Dispositif de presse selon la revendication 1, caractérisé en ce que les surfaces d'accouplement (22) des éléments de couplage (K2) de la boucle de presse (8) sont entourées sur une partie de la périphérie, par des protubérances (23) en forme de créneaux avec des espaces intermédiaires (24), et en ce qu'à la pince de transmission (1) est associée au moins une protubérance (20) qui, lors de l'assemblage de la boucle de presse (8) et de la pince de transmission (1), peut être introduite respectivement dans l'un des espaces intermédiaires (24) des protubérances (23) en forme de créneaux de la boucle de presse (8).
  9. Dispositif de presse selon la revendication 8, caractérisé en ce que les surfaces d'accouplement (22) de la boucle de presse (8) sont de configuration plane, et en ce que les protubérances (23) en forme de créneaux possèdent des axes imaginaires, qui sont orientés perpendiculairement à ces surfaces d'accouplement (22).
  10. Dispositif de presse selon la revendication 9, caractérisé en ce que les sections transversales des protubérances (23) en forme de créneaux -vu parallèlement à la surface d'accouplement (22) associée-présentent une forme de coin.
  11. Dispositif de presse selon la revendication 8, caractérisé en ce que les espaces intermédiaires (24) entre les protubérances (23) en forme de créneaux, sont délimités des deux côtés, par des surfaces de paroi parallèles.
  12. Dispositif de presse selon la revendication 8, caractérisé en ce que les espaces intermédiaires (24) entre les protubérances (23) en forme de créneaux, sont agencés de manière répartie sur une longueur périphérique d'au maximum 180 degrés autour de la surface d'accouplement (22) associée.
  13. Dispositif de presse selon la revendication 8, caractérisé en ce que les extrémités libres des protubérances (23) en forme de créneaux se situent sur une surface sphérique partielle.
  14. Dispositif de presse selon la revendication 8, caractérisé en ce que les protubérances (20) de la pince de transmission (1) sont réalisées sous forme de broches cylindriques.
  15. Dispositif de presse selon la revendication 8, caractérisé en ce que les surfaces d'accouplement (19a) de la pince de transmission (1) sont des surfaces planes de calottes sphériques (19) dont la surface sphérique respective est montée pivotante dans un mamelon (18) qui est fixé dans le levier de pince respectif (2, 3) de la pince de transmission (1).
  16. Dispositif de presse selon les revendications 14 et 15, caractérisé en ce que le mamelon (18) présente un axe de vissage parallèlement auquel s'étend la protubérance cylindrique (20).
EP08004038A 2007-03-22 2008-03-05 Dispositif de pressage pour pièces à usiner tubulaires Not-in-force EP1972394B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08004038T PL1972394T3 (pl) 2007-03-22 2008-03-05 Zaciskarka do detali w postaci rur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007013706A DE102007013706B3 (de) 2007-03-22 2007-03-22 Verpressvorrichtung für rohrförmige Werkstücke

Publications (2)

Publication Number Publication Date
EP1972394A1 EP1972394A1 (fr) 2008-09-24
EP1972394B1 true EP1972394B1 (fr) 2010-04-07

Family

ID=39296073

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08004038A Not-in-force EP1972394B1 (fr) 2007-03-22 2008-03-05 Dispositif de pressage pour pièces à usiner tubulaires

Country Status (5)

Country Link
EP (1) EP1972394B1 (fr)
AT (1) ATE463308T1 (fr)
DE (2) DE102007013706B3 (fr)
ES (1) ES2340096T3 (fr)
PL (1) PL1972394T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110114189A (zh) * 2016-12-21 2019-08-09 沃恩阿克斯公开股份有限公司 压制装置
WO2022111753A1 (fr) 2020-11-24 2022-06-02 Rothenberger Ag Outil de pression radiale
EP4350904A1 (fr) * 2022-09-13 2024-04-10 TE Connectivity Solutions GmbH Outil de torchage de tresse

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008005854A1 (de) * 2008-01-16 2009-07-23 REMS-WERK Christian Föll und Söhne GmbH & Co KG Pressring sowie Zange zur Verwendung mit einem solchen Pressring
DE102009012199B3 (de) 2009-03-07 2010-06-10 Rothenberger Ag Verpressvorrichtung für rohrförmige Werkstücke
DE102009047779A1 (de) 2009-09-30 2011-04-07 Rothenberger Ag Vorrichtung zum axialen Verpressen von Werkstücken
DE102013004029A1 (de) * 2013-03-05 2014-09-11 Rems Gmbh & Co Kg Pressvorrichtung
CN111702088A (zh) * 2020-06-17 2020-09-25 艾默生精密工具技术(上海)有限公司 压接工具
DE102021105243B4 (de) 2021-03-04 2022-10-13 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kg Presswerkzeug
DE202021102613U1 (de) * 2021-05-12 2022-08-18 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kommanditgesellschaft Pressring, Presswerkzeug und Adapterelemente

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29721759U1 (de) * 1997-12-10 1998-04-09 Franz Viegener II GmbH & Co. KG, 57439 Attendorn Preßwerkzeug zum unlösbaren Verbinden eines Fittings und eines eingeführten Metallrohrendes
DE20018312U1 (de) * 2000-10-26 2001-05-10 Franz Viegener Ii Gmbh & Co Kg Preßwerkzeug
US6923037B2 (en) * 2002-06-17 2005-08-02 Emerson Electric Co. Assembly for articulating crimp ring and actuator
DE102004005558B4 (de) 2004-01-31 2006-04-20 Michael Birk Presszangenkopf und Presswerkzeug
DE102004045156B4 (de) * 2004-09-17 2015-02-19 Viega Gmbh & Co. Kg Aufsatz für ein Presswerkzeug und Verfahren zum Verpressen von rohrförmigen Werkstücken
DE202005008125U1 (de) * 2005-05-24 2006-10-05 Herrle, Richard Presswerkzeug, Pressring und Presszange

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110114189A (zh) * 2016-12-21 2019-08-09 沃恩阿克斯公开股份有限公司 压制装置
US11458607B2 (en) 2016-12-21 2022-10-04 Von Arx Ag Press device
US11612991B2 (en) 2016-12-21 2023-03-28 Von Arx Ag Press device
WO2022111753A1 (fr) 2020-11-24 2022-06-02 Rothenberger Ag Outil de pression radiale
EP4350904A1 (fr) * 2022-09-13 2024-04-10 TE Connectivity Solutions GmbH Outil de torchage de tresse

Also Published As

Publication number Publication date
EP1972394A1 (fr) 2008-09-24
DE502008000506D1 (de) 2010-05-20
ATE463308T1 (de) 2010-04-15
PL1972394T3 (pl) 2010-09-30
DE102007013706B3 (de) 2008-11-13
ES2340096T3 (es) 2010-05-28

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