EP1531016A1 - Outil de presse - Google Patents

Outil de presse Download PDF

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Publication number
EP1531016A1
EP1531016A1 EP03025943A EP03025943A EP1531016A1 EP 1531016 A1 EP1531016 A1 EP 1531016A1 EP 03025943 A EP03025943 A EP 03025943A EP 03025943 A EP03025943 A EP 03025943A EP 1531016 A1 EP1531016 A1 EP 1531016A1
Authority
EP
European Patent Office
Prior art keywords
pressing
tool according
receiving part
tool
shape
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.)
Granted
Application number
EP03025943A
Other languages
German (de)
English (en)
Other versions
EP1531016B1 (fr
Inventor
Hans-Jörg Goop
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.)
Ridge Tool Co
Original Assignee
Ridge Tool AG
Emerson Electric Co
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
Priority to ES03025943T priority Critical patent/ES2287400T3/es
Application filed by Ridge Tool AG, Emerson Electric Co filed Critical Ridge Tool AG
Priority to AT03025943T priority patent/ATE364461T1/de
Priority to PT03025943T priority patent/PT1531016E/pt
Priority to DE50307476T priority patent/DE50307476D1/de
Priority to EP03025943A priority patent/EP1531016B1/fr
Priority to JP2004309169A priority patent/JP4694174B2/ja
Priority to CA002486433A priority patent/CA2486433A1/fr
Priority to US10/986,164 priority patent/US7146839B2/en
Publication of EP1531016A1 publication Critical patent/EP1531016A1/fr
Application granted granted Critical
Publication of EP1531016B1 publication Critical patent/EP1531016B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B21D39/048—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 using presses for radially crimping tubular elements
    • 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

Definitions

  • the invention relates to a pressing tool for pressing a receiving part of an installation element on a in the receiving part inserted tube, wherein the pressed-on Receiving part a section with a in the direction of rotation constant curved outer shape within a predetermined Form tolerance, according to the preamble of claim 1.
  • the pressing tool is a receiving part of the installation element.
  • Over a Drive means are driving forces in the Press tool initiated, whereby the pressing tool Pressing forces on the receiving part, in which the pipe is inserted, exercised.
  • the receiving part is reshaped so that the Receiving part via a press-fitting with the inserted tube inseparably firmly connected.
  • a receiving part in addition to at least one Pressing section for forwarding longitudinal and Torsions, then also a sealing portion for sealing the Connection on, whereby such a receiving part sealingly on a pipe can be pressed on.
  • Nominal widths DN German standard
  • DN is also a narrower one Embossing area with a polygonal basic shape for provided mechanical securing the connection.
  • Sealing the connection between pipe and Installation element is usually via a sealing ring achieved, which faces the pipe on the inside of the Sealing portion of the receiving part is arranged.
  • a sealing ring achieved, which faces the pipe on the inside of the Sealing portion of the receiving part is arranged.
  • elastic compressive stress of the sealing ring against the tube and against the receiving part and on the other hand avoiding pinching of the sealing ring absolutely necessary.
  • Such a uniform Compressive stress can only be achieved when pressing on the receiving part of the sealing portion within a whole certain circumference is uniformly deformed circumferentially. Therefore, manufacturers of such Installation elements type-specific predetermined Form tolerances, such as roundness or Cylinder shape tolerances, for pressed-on receiving parts specified.
  • the shape tolerances relate in particular to the respective outer shape of the Abdicht Schemes or optionally also of the entire press-on area.
  • pressing tongs are known in which a special device to monitor a complete closure of the two Pressing is provided.
  • a pressing tool for pressing a receiving part of a Installation element on a in the receiving part inserted tube has two pressing elements, the are connected to each other movable.
  • the recording part has at least a portion that through the Pressing process is reshaped so that the pressed section one in the direction of rotation in the Has substantially constant curved outer shape, the within a given mold tolerance, for example a roundness tolerance or a cylinder shape tolerance, lies.
  • Each of the two pressing elements points to the each other press member facing side one Pressing area, which is assigned to the section.
  • At least one of the two Pressing elements such elastically deformable, in particular elastically bendable, formed that under the on the Press element acting during the Aufpressvorgangs changing forces, the shape of its pressing area changes. It is in the dormant state of the Pressing tool exposed pressing area in the direction of rotation in a deviating from the outer shape curved shape.
  • the same pressing area lies in the direction of rotation in one of the outer shape corresponding, essentially constant curved shape when the pressing area in the pressing condition of the closed pressing tool on Section is present.
  • Im pressing State of the closed pressing tool therefore has the am Section adjacent pressing area not the identical, but a correspondingly stronger, essentially constant curvature up. This will prevent the Outer shape of the section after completion of the pressing operation outside the form tolerance comes to rest.
  • a pressing element according to the invention is no longer practically rigid, but deforms elastic under loads that when pressed on the Press element act.
  • the elastic Deformations caused by the driving forces, from the Connection of the two pressing elements and the mecanicpressenden Receiving part on the pressing element forces applied caused in the design of the Pressing element, in particular in the shaping of the Press area taken into account.
  • a variable during the Aufpressvorgangs form of Pressing area offers additional possibilities Specifically to influence the pressing process itself. Will be at Pressing the receiving part the sum of the for the Pressing required forming work and for the elastic deformation of the pressing element required Work as evenly as possible over that of the Distributed driving forces during pressing on the path, so peak values of the driving forces can occur be specifically reduced. On the one hand, this can make the Fatigue strength and long-term dimensional stability of Press tools are positively influenced. There are too Advantages in the dimensioning of such pressing tools connected. On the other hand, such a pressing tool even with a less powerful drive device operated.
  • both pressing elements of a pressing tool in the same way, according to the invention elastically deformable formed so that their pressing areas in the closed Condition of the tool only under the pressing occurring mechanical loads one of the required Shape take appropriate shape.
  • both pressing elements sickle-shaped and one end can be folded together via a single bearing pin connected.
  • both pressing elements are inserted End piece, each with a force introduction area and a Stop surface for the block on the tool.
  • This embodiment is characterized by a simple Construction as well as by a precisely guided movement of the both elastically bendable pressing elements.
  • a receiving part of an installation element has beside a constant curved portion for a sealing element in usually another section for permanent connection of the installation element with a pipe.
  • another Imprint area provided, which is formed into a hexagon becomes.
  • For medium and larger sizes has such a another section for permanent connection often in the pressed state also a constant curvature, optionally with a cylindrical shape.
  • One corresponding pressing element has a further Section associated further pressing area, in whose Shaping the elastic deformation of the pressing element is also to be considered.
  • a hinged pressing tool with sickle-shaped Pressing elements provides a simple embodiment that the respective pressing area by several consecutive arranged segments is formed, in the circumferential direction each have a constant curvature and tangential strung together, whereby their centers of curvature spaced apart from each other.
  • a Press tool is in the dormant, closed state of the exposed pressing areas one of the outer shape Deviating form of rest formed, whose clear width is vertical is lower than the closing level of the pressing tool clear width substantially parallel to the closing plane.
  • FIG. 1 shows a design as a fitting 2 Installation element, in the one end a pipe 3 is inserted, and an embodiment of a according to the invention, the pressing tool which is connected to the fitting 2 is laid out, in an oblique view.
  • the fitting 2 shown here is a KIWA DVGW copper fitting of nominal diameter DN 18 of the System Provider "Viega, Franz Viegner II, D-57428 Attendorn. "The fitting 2 has both ends Receiving part 1, the here in each case for a pipe. 3 the same nominal diameter is formed.
  • the pipe 3 For example, a copper tube with one and a half millimeters Wall thickness, is one end up to one in the fitting 2 provided stop in this inserted.
  • the one visible in Figure 1 receiving part 1 of the fitting. 2 is in the non-pressed initial state and has a rotationally symmetric basic shape. In the non-pressed receiving part 1 is still no pipe. 3 inserted.
  • the receiving part 1 has a sealing portion 4, here as a bulge in the form of a half goal is formed, two Aufpressabterrorisme 21, the both sides the sealing portion 4 are arranged, and two Eingargabitese 22, each adjacent to a the press-on sections 21 are arranged.
  • the Sealing section 4 has on the inside a circumferential, also toroidal bulge, in which one here only partially visible sealing ring 19 is provided.
  • an amount of 60,000 can have up to 65,000 Newton, the two Pressing elements 5 as long as moved against each other until the two unfolded end pieces of the pressing elements 5 with your Stop surfaces 20 collide.
  • the two Aufpressabitese 21 and the two Eingargabitese 22 are here when pressed by the Pressing tool cylindrical or hexagon shaped.
  • the Aufpressabitese 21 are frictionally engaged or the embossing sections 22 form-fitting with the tube. 3 connected.
  • About the in the fitting 2 and the pipe 3 embossed hexagon generally become joints Small nominal sizes DN against being pulled apart secured small and medium pull-out forces.
  • Nominal diameters DN a cutting ring secures the connection against larger pull-out forces, which usually between one Fitting and a tube inserted into this is arranged.
  • a receiving part of such a fitting has a to the Cutting ring arranged on security area on the Pressing into an outer shape within a given Cylinder shape tolerance is transformed and so a specified pressure force exerted on the cutting ring.
  • outside shape is outside a specified shape tolerance
  • manufacturer for the apex area of the toroidal bulge of the Fittings 2 have a roundness tolerance with a lower and an upper diameter of 24.7 or 25.2 millimeters specified.
  • FIG. 2 shows the upper pressing element 5 of the pressing tool from Figure 1 in another oblique view.
  • the pressing element 5 has at one end the tail with the stop surface 20 and the visible only in Figure 1 force application area 17. At the other end it has a hinge part 23 in which a Receiving bore for the shown only in Figure 1 Bearing pin 18 is provided. Between the stop surface 20 and the hinge part 23 here has the pressing element 5 at the side facing the other pressing element a toroidal pressing region 7, two cylindrical Pressing sections 24 and two hexagonal pressing sections 25 on, at both ends of each here a smaller, planner End area 26 connects.
  • the end portions 26 are through additional recesses formed in the pressing element 5.
  • the the Pressing portions 7 and 24 opposite ends of the end portions 26th are each provided with a radius.
  • a first Pressing area 7 is the sealing portion 4 of Figure 1 assignable and has a two-dimensional curved shape on, in the direction of rotation here three different Has curvatures.
  • On both sides of the first pressing area 7 are the two cylindrical pressing regions 24 arranged, each one of the Aufpressabête 21 from Figure 1 can be assigned. They indicate a one-dimensional curved shape with here also three different ones Bends up.
  • Adjacent to the two cylindrical Pressing sections 24 are the hexagonal pressing sections 25 arranged, which is the known form of a half Have hexagon and the embossment area 22 of Figure 1 are assignable.
  • the between each of the pressing areas 7 and 24 and the stop surface 20 on the one hand and the hinge part 23 arranged on the other hand plan end portions 26 have different lengths here.
  • FIG. 3 shows a detail view of the closed one Pressing tool of Figure 1 in the stationary state with the exposed pressing areas 7, 24 and 25 and the adjacent end portions 26 in sectional view.
  • the Pressing areas 7, 24 and 25 as well as the respective end areas 26 of the two pressing elements 5 are respectively arranged mirror-symmetrically to Schliessebene 6.
  • the pressing elements are 5 and their exposed pressing portions 7, 24 and 25 not elastically deformed.
  • the torus-shaped pressing region 7 is here by a central segment 10, a joint-side segment 11 and a stop-side segment 12 formed, each tangent merge.
  • the individual segments 10, 11 and 12 each have different curvatures in the direction of rotation on.
  • the central segment 10 extends over one Angular range of 120 ° and thus has the multiple size the hinged-side segment 11 and the stop side Segment 12, which here over an angular range of approx. each extending 22 °.
  • the central segment 10th here in the direction of rotation a central radius of curvature 14 of 12.35 millimeters, have the hinge-side Segment 11 and the stop-side segment 12 a corresponding joint-side or stop side Radius of curvature-15 and 16, respectively, of 12.45 and 12.55 millimeters on.
  • the center of the central radius of curvature points 14 additionally a center offset 13 of 0.3 millimeters beyond the closing level 6, whereby - in the dormant Condition of the tool - the banana shape of the toroidal Pressing area 7 is additionally reinforced.
  • the centers of joint-side and stop-side radii of curvature 15 and 16 are also beyond the closing level 6.
  • the shape of such a pressing area is thus already in the dormant condition within the required dimensional tolerance of the Outer shape of a pressed-on receiving part.
  • Figure 4 shows a scale comparison of the Inner profiles of the same pressing element in the stationary and in the pressing condition of a closed pressing tool.
  • a continuous line 27 the inner profile of Press element in the dormant state with an exposed Pressing area.
  • a broken line 28 represents however, the inner profile of the same pressing element in pressing state of the closed tool.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Gripping On Spindles (AREA)
EP03025943A 2003-11-13 2003-11-13 Outil de presse Expired - Lifetime EP1531016B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
AT03025943T ATE364461T1 (de) 2003-11-13 2003-11-13 Presswerkzeug
PT03025943T PT1531016E (pt) 2003-11-13 2003-11-13 Ferramenta de compressão
DE50307476T DE50307476D1 (de) 2003-11-13 2003-11-13 Presswerkzeug
EP03025943A EP1531016B1 (fr) 2003-11-13 2003-11-13 Outil de presse
ES03025943T ES2287400T3 (es) 2003-11-13 2003-11-13 Herramienta de presion.
JP2004309169A JP4694174B2 (ja) 2003-11-13 2004-10-25 プレス工具
CA002486433A CA2486433A1 (fr) 2003-11-13 2004-11-01 Outil de presse
US10/986,164 US7146839B2 (en) 2003-11-13 2004-11-12 Press tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03025943A EP1531016B1 (fr) 2003-11-13 2003-11-13 Outil de presse

Publications (2)

Publication Number Publication Date
EP1531016A1 true EP1531016A1 (fr) 2005-05-18
EP1531016B1 EP1531016B1 (fr) 2007-06-13

Family

ID=34429339

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03025943A Expired - Lifetime EP1531016B1 (fr) 2003-11-13 2003-11-13 Outil de presse

Country Status (8)

Country Link
US (1) US7146839B2 (fr)
EP (1) EP1531016B1 (fr)
JP (1) JP4694174B2 (fr)
AT (1) ATE364461T1 (fr)
CA (1) CA2486433A1 (fr)
DE (1) DE50307476D1 (fr)
ES (1) ES2287400T3 (fr)
PT (1) PT1531016E (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006004876U1 (de) * 2006-03-28 2007-08-02 Herrle, Richard Presswerkzeug, Pressring und Presszange

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080029662A1 (en) * 2006-08-03 2008-02-07 O'rourke John F Tool holder attachment for rigid pipe tristand
US20090031778A1 (en) * 2007-08-01 2009-02-05 Emerson Electric Co. Multi-application crimping or pressing tool
US20090293577A1 (en) * 2008-05-28 2009-12-03 Emerson Electric Co. Jaw set and jaw set system with hinged jaw arms for use in a pressing tool
US8584503B1 (en) * 2012-10-09 2013-11-19 Rostra Tool Company Crimping tool
US9388885B2 (en) 2013-03-15 2016-07-12 Ideal Industries, Inc. Multi-tool transmission and attachments for rotary tool
DE102014103213B4 (de) * 2014-03-11 2015-11-26 Viega Gmbh & Co. Kg Pressaufsatz zum axialen Verpressen von Werkstücken
CN109092989B (zh) * 2018-06-28 2023-08-15 亿和精密工业（苏州）有限公司 一种用于工件卷圆成形的模具结构
KR200491617Y1 (ko) * 2019-01-21 2020-05-11 민우정공(주) 배관용 압착 체결구
US11398719B2 (en) 2019-04-30 2022-07-26 Eaton Intelligent Power Limited Press fit condulet devices, assemblies systems and methods for electrical raceway fabrication
CN112571366A (zh) * 2020-12-16 2021-03-30 浙江青牛智能科技有限公司 一种管道内管拖拉装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1095739A2 (fr) * 1999-10-26 2001-05-02 Novartec AG Outil de pressage et procédé pour connecter des pièces par déformation à froid
US20010006001A1 (en) * 1999-12-24 2001-07-05 Wezag Gmbh Werkzeugfabrik Pliers for crimping work pieces
EP1114698A2 (fr) * 2000-01-07 2001-07-11 Von Arx Ag Pince à sertir

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60213323A (ja) * 1984-04-10 1985-10-25 Mie Horo Kk 管材の接合装置における接合管材引寄せ機構
DE9314054U1 (de) 1992-11-10 1993-11-25 Geberit Ag Preßzange zum Verpressen von Rohrverbindungen
JP2595302Y2 (ja) * 1993-09-27 1999-05-31 株式会社ダイア 携帯用パイプ接続機
US6234000B1 (en) * 1999-09-20 2001-05-22 Wiley L. Bowling Ball-bat repairing method
US6471449B1 (en) * 1999-10-28 2002-10-29 Kyocera Corporation Throw-away tip with abrasion sensor
DE20018312U1 (de) * 2000-10-26 2001-05-10 Franz Viegener Ii Gmbh & Co Kg Preßwerkzeug

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1095739A2 (fr) * 1999-10-26 2001-05-02 Novartec AG Outil de pressage et procédé pour connecter des pièces par déformation à froid
US20010006001A1 (en) * 1999-12-24 2001-07-05 Wezag Gmbh Werkzeugfabrik Pliers for crimping work pieces
EP1114698A2 (fr) * 2000-01-07 2001-07-11 Von Arx Ag Pince à sertir

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006004876U1 (de) * 2006-03-28 2007-08-02 Herrle, Richard Presswerkzeug, Pressring und Presszange
EP1839814A2 (fr) * 2006-03-28 2007-10-03 Herrle, Richard Outil de compression, bague de compression et pince de sertissage
EP1839814A3 (fr) * 2006-03-28 2008-08-20 Herrle, Richard Outil de compression, bague de compression et pince de sertissage

Also Published As

Publication number Publication date
DE50307476D1 (de) 2007-07-26
EP1531016B1 (fr) 2007-06-13
ATE364461T1 (de) 2007-07-15
ES2287400T3 (es) 2007-12-16
CA2486433A1 (fr) 2005-05-13
US20050145005A1 (en) 2005-07-07
PT1531016E (pt) 2007-08-21
US7146839B2 (en) 2006-12-12
JP4694174B2 (ja) 2011-06-08
JP2005144556A (ja) 2005-06-09

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