EP0671985B1 - Presswerkzeug - Google Patents

Presswerkzeug Download PDF

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Publication number
EP0671985B1
EP0671985B1 EP94901870A EP94901870A EP0671985B1 EP 0671985 B1 EP0671985 B1 EP 0671985B1 EP 94901870 A EP94901870 A EP 94901870A EP 94901870 A EP94901870 A EP 94901870A EP 0671985 B1 EP0671985 B1 EP 0671985B1
Authority
EP
European Patent Office
Prior art keywords
press
pressing
jaws
ring
groove
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 - Lifetime
Application number
EP94901870A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0671985A1 (de
Inventor
Helmut Dischler
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.)
Novopress GmbH Pressen und Presswerkzeuge and Co KG
Original Assignee
Novopress GmbH Pressen und Presswerkzeuge 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 Novopress GmbH Pressen und Presswerkzeuge and Co KG filed Critical Novopress GmbH Pressen und Presswerkzeuge and Co KG
Publication of EP0671985A1 publication Critical patent/EP0671985A1/de
Application granted granted Critical
Publication of EP0671985B1 publication Critical patent/EP0671985B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5367—Coupling to conduit

Definitions

  • the invention relates to a pressing tool for pressing tubular, nested workpieces, in particular a pipe end and a press fitting plugged over them, with a plurality of press jaw elements which carry press jaws, into which a press groove which runs in the circumferential direction on the inside and which has a press web along only one side is formed.
  • press tools have been developed for the radial pressing of press fitting and pipe end. These pressing tools have pressing jaw elements which have pressing jaws which are moved radially during the pressing to form a closed pressing space. Not only are press tools known with two press jaws (DE-A-34 23 283; DE-A-38 33 748), but also with more than two press jaws in order to be able to achieve higher press-in depths.
  • the latter pressing tools can be found in particular in EP-A-0 ⁇ 451 80 ⁇ 6.
  • the pressing tools shown in Figures (7) and (8) are suitable for connecting pipe ends of larger and very large diameters.
  • the pressing jaws of such pressing tools have a certain cross-sectional contour adapted to the shape of the press fitting. Since such press fittings have an outwardly projecting annular bead at the free end, into which a sealing ring is inserted on the inside, the press jaw has a molded-in press groove for receiving this annular bead. The individual sections of the press groove in the press jaws complement each other to form a continuous press groove.
  • press ridges run on both sides of the press groove, which are pressed into the material of the press fitting and thus also of the inserted pipe end during the pressing process.
  • press bars on both sides of the press groove is not absolutely necessary for the functioning of the pressing.
  • the handling is foolproof if the cross-section of the press jaws is symmetrical, that is to say the press ridges run on both sides of the press groove, since it does not matter in which position the press tool is placed at the point to be pressed.
  • the invention is therefore based on the object of designing a pressing tool of the type mentioned at the outset which, while maintaining the assembly security, permits pressing without endangering the tightness.
  • This object is achieved in that a jig is arranged on the other side, which fits over the inserted workpiece, but not over the pushed-on workpiece.
  • a specific pressing tool only fits for pressing a workpiece with a certain diameter, so the reference to the workpiece also contains a statement about the dimensioning of the pressing tool.
  • the additional arrangement of a gauge prevents the press tool from being placed on the press point in the wrong position, in which the press web comes to rest on the side of the annular bead facing the free end of the press fitting, because in this position the gauge prevents it from touching down, because they don't have that Press fitting fits. Only in the reverse position, in which the gauge comes to lie outside the press fitting, is it possible to put the press tool on.
  • the teaching consists in a particularly simple design of a correspondingly shaped sheet metal part which is attached to one of the press jaw elements.
  • the press ring (5) has essentially identical press jaw elements (6, 7, 8, 9, 10ildete), each press jaw element (6, 7, 8, 9, 10 ⁇ ) consisting of an external press jaw carrier (11, 12, 13, 14, 15) and an inner, arc-shaped press jaw (16, 17, 18, 19, 20 ⁇ ).
  • the press jaw supports are connected to one another via intermediate pieces (21, 22, 23, 24), the press jaw supports (11, 12, 13, 14, 15) using articulated bolts (26, 27, 28, 29, 30 ⁇ , 31, 32, 33) are articulated on the intermediate pieces (21, 22, 23, 24).
  • At least one hinge pin (26, 27, 28, 29, 30 ⁇ , 31, 32, 33) per intermediate piece (21, 22, 23, 24) is designed to be removable, so that the press ring (5) is divided into individual press jaw elements (6, 7, 8, 9, 10 ⁇ ) can be taken apart or assembled on site.
  • the press jaws (16, 17, 18, 19, 20 ⁇ ) are slidably mounted in the circumferential direction in the press jaw carriers (11, 12, 13, 14, 15).
  • a clamping device (34, 35, 36, 37, 38) is attached to each press jaw support (11, 12, 13, 14, 15), which has a clamping punch (39, 40 ⁇ , 41, 42, 43).
  • the clamping devices (34, 35, 36, 37, 38) also serve to axially guide the press jaws (16, 17, 18, 19, 20 ⁇ ).
  • the hinge pins (29, 30 ⁇ ) on the central press jaw support (13) carry a jaw-like gauge (44) in the form of a sheet metal part with a semicircular recess (45), the radius of the recess (45) being such that the gauge (44 ) fits on the one hand over the pipe end (1), but on the other hand does not fit over the cylindrical part of the press fitting (2) adjoining the annular bead (3).
  • the lower press jaw elements (6, 10 ⁇ ) have between them a closing gap (46) in the positions shown in Figures (1) and (2). In the figures (1) it is so large that the press ring (5) can be put over the press fitting (2) and pipe end (1).
  • the free ends of the pressing jaw elements (6, 10 ⁇ ) delimiting the closing gap (46) carry hinge pins (47, 48), a coupling lug (49, 50 ⁇ ) being suspended from each hinge pin (47, 48).
  • the shape of the coupling straps (49, 50 ⁇ ) and their connection with the hinge pins (47, 48) result in particular from the sectional view according to Figures (3) and (4).
  • the free ends of the coupling tabs (49, 50 ⁇ ) have through openings (51, 52).
  • a coupling pin (53) is inserted axially. It has a first bolt section (54) with which it passes through the through hole (51).
  • One end of the first bolt section (54) is connected to a hand lever (55).
  • a second pin section (56) is formed on the other end of the first pin section (54), the axis of which is offset by an eccentricity (57) with respect to the axis of the first pin section (54).
  • the second pin section (56) fits into the through hole (52) ) of the other coupling plate (50 ⁇ )
  • the coupling plates (49, 50 ⁇ ) together with the coupling bolt (53) form a coupling element for the temporary connection of the ends of the pressing ring (5) before the actual pressing process.
  • the press jaws (16, 17, 18, 19, 20 ⁇ ) are not only axially guided by the clamping devices (34, 35, 36, 37, 38), but also by the other side of the press jaw carrier (11, 12, 13, 14, 15) screwed on guide plates (62).
  • the press jaws (16, 17, 18, 19, 20 ⁇ ) themselves have an asymmetrical cross-sectional contour. They have an annular groove (63), the pressing grooves (63) of all pressing jaws (16, 17, 18, 19, 20 ⁇ ) complementing one another to form a continuous circumferential annular groove.
  • the cross section of the press groove (63) is adapted to the annular bead (3), which carries a sealing ring (64) on the inside.
  • a pressing web (65) runs along one side of the annular groove (63). It also complements the press bars of the other press jaws (16, 17, 18 19, 20 ⁇ ) to form a continuous circumferential press bar.
  • the press web (65) is intended to dig into the material of the press fitting (2) during the pressing process and also to dig in to deform the pipe end (1). On the other side of the annular groove (63), such a press bar is not provided.
  • the opened press ring (5) is first placed over the pipe end (1) and the press fitting (2), as can be seen from the figures (1) and (6).
  • the two lower press jaw elements (6, 10 ⁇ ) are pivoted towards each other and onto the pipe end (1), so that they correspond to those shown in Figure (2 ) assume the position shown.
  • the coupling straps (49, 50 ⁇ ) which then still hang down and are shown in dash-dot lines in this position in FIG. (2), are then pivoted in the directions of arrows C and D with respect to one another.
  • the coupling bolt (53) is in such a position that its second bolt section (56) does not protrude through the through bore (51), which is indicated in FIG. (3) by the position of the hand lever (55) shown in dotted lines.
  • the coupling lugs (49, 50 ⁇ ) are pivoted into a position where they overlap and the through holes (51, 52) merge into one another.
  • the hand lever (55) are in such a position that the second bolt section (56) is offset in the direction of the other coupling plate (50 ⁇ ) and therefore easily in the through bore (52) by axial displacement of the Grip the coupling pin (53) so that both coupling brackets (49, 50 ⁇ ) can couple.
  • the press ring (5) still has a certain amount of slack.
  • the hand lever (55) is then pivoted from the position shown in solid lines in Figure (2) to the dash-dotted position in the direction of arrow E by 180 °.
  • the second pin section (56) executes an eccentric movement and thereby shortens the distance between the two hinge pins (47, 48) by twice the eccentricity (57).
  • Figures (3) and (4) with Figure (4) showing the pivoted position.
  • a circumferential force is applied to the press ring (5) via which the press jaws (16, 17, 18, 19, 20 ⁇ ) press onto the press fitting (2) with a certain radial preload.
  • the press ring (5) then has a seat that is difficult or impossible to turn. This effect is supported by the clamping rams (39, 40 ⁇ , 41, 42, 43), which then rest against the pipe end (1) with a likewise radially directed prestress.
  • a locking device belonging to the pressing tool (4) is used, as is known schematically from Figure (7) of EP-A-0 ⁇ 451 80 ⁇ 6.
  • This locking device has two pincer-shaped lever arms with which the locking device can be attached to the hinge pins (47, 48). They cover gaps (58, 59) or (60 ⁇ , 61) and then lay on the outside of the hinge pin (47, 48). The pliers-like lever arms are then moved together by means of a hydraulic motor belonging to the locking device, so that the hinge pins (47, 48) approach each other.
  • the pressing ring (5) assumes the position shown in FIG. (5). After axial displacement of the coupling pin (53) in such a way that the second pin section (56) moves out of the through hole (52), the press ring (5) can be removed again and used for further pressing processes.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Automatic Assembly (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Jigs For Machine Tools (AREA)
  • Press Drives And Press Lines (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Fats And Perfumes (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Wire Bonding (AREA)
  • Finger-Pressure Massage (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Food-Manufacturing Devices (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
EP94901870A 1992-12-02 1993-11-25 Presswerkzeug Expired - Lifetime EP0671985B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE9216369U DE9216369U1 (de) 1992-12-02 1992-12-02 Preßwerkzeug
DE9216369U 1992-12-02
PCT/EP1993/003302 WO1994012297A1 (de) 1992-12-02 1993-11-25 Presswerkzeug

Publications (2)

Publication Number Publication Date
EP0671985A1 EP0671985A1 (de) 1995-09-20
EP0671985B1 true EP0671985B1 (de) 1996-08-28

Family

ID=6886640

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94901870A Expired - Lifetime EP0671985B1 (de) 1992-12-02 1993-11-25 Presswerkzeug

Country Status (20)

Country Link
US (1) US5697135A (da)
EP (1) EP0671985B1 (da)
JP (1) JPH08503662A (da)
CN (1) CN1093957A (da)
AT (1) ATE141835T1 (da)
AU (1) AU669039B2 (da)
BR (1) BR9307578A (da)
CA (1) CA2150811C (da)
CZ (1) CZ282551B6 (da)
DE (2) DE9216369U1 (da)
DK (1) DK0671985T3 (da)
ES (1) ES2093511T3 (da)
FI (1) FI952672A (da)
GR (1) GR3021325T3 (da)
HU (1) HUT71167A (da)
NO (1) NO952176D0 (da)
NZ (1) NZ258548A (da)
PL (1) PL171755B1 (da)
SK (1) SK66595A3 (da)
WO (1) WO1994012297A1 (da)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4240427C1 (de) * 1992-12-02 1994-01-20 Novopress Gmbh Preßwerkzeug
DE9312808U1 (de) * 1993-08-26 1993-10-28 Novopress GmbH Pressen und Presswerkzeuge & Co KG, 41460 Neuss Meßgerät zur Erfassung der Einschubtiefe bei einer Rohrverbindung
DE19734355C2 (de) * 1997-08-08 2002-08-14 Uponor Rohrsysteme Gmbh Preßwerkzeug
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
US6185980B1 (en) * 1999-09-23 2001-02-13 Leonard J. Law Special crimping tool
ES2223362T3 (es) * 1999-10-26 2005-03-01 Ridge Tool Ag Una herramienta compresora y el metodo para unir piezas mediante deformacion en frio.
ES2254784T3 (es) * 2001-12-08 2006-06-16 Gustav Klauke Gmbh Dispositivo de prensa.
US20030230132A1 (en) * 2002-06-17 2003-12-18 Emerson Electric Co. Crimping apparatus
US7398909B2 (en) * 2003-07-17 2008-07-15 Swagelok Company Pipe collets
WO2007038308A1 (en) * 2005-09-23 2007-04-05 Bruns Daniel Kidd Tool to crimp non-metallic tubing onto fittings
DE102006050427A1 (de) * 2006-08-22 2008-02-28 Gustav Klauke Gmbh Verfahren zum Verpressen eines Pressfittings sowie Presswerkzeug hierzu
JP5396273B2 (ja) * 2006-10-20 2014-01-22 グスタフ・クラウケ・ゲーエムベーハー プレス継手のプレス方法及びそのプレス工具
US20080122222A1 (en) * 2006-11-29 2008-05-29 H & H Tube & Manufacturing Co. Crimp-on transition fitting
KR100739106B1 (ko) * 2006-12-20 2007-07-12 웰텍 주식회사 강관 맞대기용 정형이음장치
US7980522B2 (en) * 2007-12-28 2011-07-19 Alion Science And Technology Corporation Trailing edge blade clamp
US8230714B2 (en) * 2009-01-23 2012-07-31 Custom Machining Services, Inc. Die carrier assembly and crimping process
US20100253066A1 (en) * 2009-04-02 2010-10-07 Victaulic Company Crimp-Type Coupling, Crimping Tool and Method of Crimping
DE202009009456U1 (de) * 2009-07-15 2010-11-25 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kommanditgesellschaft Presswerkzeug zum Verbinden von insbesondere rohrförmigen Werkstücken
DE102009059053A1 (de) * 2009-12-15 2011-06-16 REMS-WERK Christian Föll und Söhne GmbH Presswerkzeug zum Radialverpressen von Werkstücken sowie Werkzeug mit wenigstens zwei relativ zueinander bewegbaren Werkzeugteilen
CN101890457A (zh) * 2010-06-25 2010-11-24 浙江毅力汽车空调有限公司 管路接头压接工具
FR2965199B1 (fr) * 2010-09-24 2012-09-07 Serimax Bride d'aide au travail de tubes comportant plusieurs parties.
DE102011052852A1 (de) * 2011-08-19 2013-02-21 Gustav Klauke Gmbh Pressvorrichtung
DE202011105967U1 (de) 2011-09-21 2011-12-06 Mehmet Saldiray Atac Presswerkzeug-Mehrfachgrössenkopf
CN102805676B (zh) * 2012-08-14 2015-06-17 杭州启明医疗器械有限公司 人造瓣膜置换装置的压缩装置
US9388885B2 (en) 2013-03-15 2016-07-12 Ideal Industries, Inc. Multi-tool transmission and attachments for rotary tool
EP3548258B1 (en) * 2017-03-30 2022-05-04 IPS, Corporation - Weld-On Division Pipe fitting apparatus and methods
CN108620498B (zh) * 2018-04-28 2020-11-03 浙江康帕斯流体输送技术有限公司 一种卡压式管件的环压工具
KR200491617Y1 (ko) * 2019-01-21 2020-05-11 민우정공(주) 배관용 압착 체결구
CN110052991A (zh) * 2019-05-24 2019-07-26 成都川力美亚管业有限公司 一种连接稳定的环压管件工具
DE102019118588A1 (de) * 2019-07-09 2021-01-14 Daniel Knipping Quetschhülse für Rohrverbindungen

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DE1187870B (de) * 1958-10-01 1965-02-25 Aga Plaatfoeraedling Aktiebola Plastisch verformbare metallische Kupplungshuelse zum Verbinden von Metallrohren mit glatten Enden
US3756064A (en) * 1972-03-24 1973-09-04 Waldes Kohinoor Inc Hand-operated plier-like tools
NL149406B (nl) * 1973-10-02 1976-05-17 Hubert Joseph Mertens Pijpenklem.
DE3423283A1 (de) * 1984-06-23 1986-01-02 Helmut Dipl.-Ing. 4040 Neuss Dischler Klemmwerkzeug, insbesondere zum verbinden von rohren und anderen profilen
US4934673A (en) * 1987-12-10 1990-06-19 General Dynamics Corp., Pomona Division V-clamp installation tool
DE3833748A1 (de) * 1988-09-30 1990-04-05 Mannesmann Ag Verfahren und vorrichtung zur herstellung einer unloesbaren, dichten verbindung von rohren
EP0361630B1 (de) * 1988-09-30 1992-06-10 MANNESMANN Aktiengesellschaft Verfahren und Vorrichtung und Pressfitting zur Herstellung einer unlösbaren, dichten Verbindung von Rohren
US5209100A (en) * 1990-04-12 1993-05-11 Helmut Dischler Compression tool
DE9007414U1 (de) * 1990-04-12 1991-07-18 Dischler, Helmut, Dipl.-Ing., 4040 Neuss Preßwerkzeug
DE4036915A1 (de) * 1990-11-20 1992-05-21 Chiron Werke Gmbh Werkzeugmaschine und verfahren zum oeffnen und schliessen eines greifers
DE9103264U1 (de) * 1991-03-18 1991-06-20 Hewing GmbH, 4434 Ochtrup Preßzange für das Verpressen von Rohrverbindungen

Also Published As

Publication number Publication date
CZ138095A3 (en) 1996-04-17
FI952672A0 (fi) 1995-06-01
ATE141835T1 (de) 1996-09-15
CA2150811C (en) 2001-05-29
PL309047A1 (en) 1995-09-18
NZ258548A (en) 1997-07-27
EP0671985A1 (de) 1995-09-20
HUT71167A (en) 1995-11-28
AU5627394A (en) 1994-06-22
CN1093957A (zh) 1994-10-26
DK0671985T3 (da) 1996-12-02
NO952176L (no) 1995-06-01
DE9216369U1 (de) 1993-02-04
NO952176D0 (no) 1995-06-01
AU669039B2 (en) 1996-05-23
DE59303597D1 (de) 1996-10-02
JPH08503662A (ja) 1996-04-23
BR9307578A (pt) 1999-08-31
US5697135A (en) 1997-12-16
CZ282551B6 (cs) 1997-08-13
ES2093511T3 (es) 1996-12-16
SK66595A3 (en) 1996-03-06
CA2150811A1 (en) 1994-06-09
FI952672A (fi) 1995-06-01
WO1994012297A1 (de) 1994-06-09
PL171755B1 (pl) 1997-06-30
GR3021325T3 (en) 1997-01-31
HU9501521D0 (en) 1995-07-28

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