EP2918354A1 - Presse destinée à comprimer axialement des pièces à usiner - Google Patents

Presse destinée à comprimer axialement des pièces à usiner Download PDF

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Publication number
EP2918354A1
EP2918354A1 EP15157566.9A EP15157566A EP2918354A1 EP 2918354 A1 EP2918354 A1 EP 2918354A1 EP 15157566 A EP15157566 A EP 15157566A EP 2918354 A1 EP2918354 A1 EP 2918354A1
Authority
EP
European Patent Office
Prior art keywords
pressing
press
ring
rings
connecting element
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
EP15157566.9A
Other languages
German (de)
English (en)
Other versions
EP2918354B1 (fr
Inventor
Klaus SCHRÖDER
Matthias Stahlschmidt
Detlev Schmitt
Sudi Sinoplu
Karsten Bohr
Anton Hartmann
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.)
Viega Technology GmbH and Co KG
Original Assignee
Viega GmbH 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 Viega GmbH and Co KG filed Critical Viega GmbH and Co KG
Publication of EP2918354A1 publication Critical patent/EP2918354A1/fr
Application granted granted Critical
Publication of EP2918354B1 publication Critical patent/EP2918354B1/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
    • 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
    • B21D39/046—Connecting tubes to tube-like fittings

Definitions

  • the invention relates to a pressing attachment for non-detachable joining of workpieces by axial pressing by means of a pressing machine with a first press ring, with a second press ring and with a connecting element which connects the first press ring and the second press ring, wherein the press rings each have at least one neck portion for a Have pressing tool. Furthermore, the invention relates to a system for producing a permanent workpiece connection with a press attachment according to the invention, with a fitting, which has a support body and a base body, with a clamping ring and a sliding sleeve, wherein the first press ring is associated with the main body of the fitting, wherein the second Press ring is associated with the sliding sleeve. Furthermore, the invention relates to a method for producing a permanent connection with a pipe end using a system according to the invention.
  • a non-detachable connection for example via a system of a fitting, a clamping ring and a sliding sleeve.
  • a pipe is inserted between the clamping ring and the support body of the fitting.
  • the permanent connection is made.
  • the tube, the sliding sleeve, the clamping ring and the fitting preferably have a common workpiece axis, wherein the sliding of the sliding sleeve takes place substantially along this workpiece axis.
  • a disadvantage of a conversion of a radial pressing force into a partial axial movement is a high stress on the workpieces, in particular the inclined contact surfaces, during the pressing.
  • high radial forces also act between the tool and the workpiece.
  • this type of axial compression is problematic.
  • a disadvantage of axial compression tools is that they often occupy a wide mounting space and with respect to the angular range with which the tool is to use, are very limited.
  • axial tools often have a high weight. The use of such axial tools and the application of such methods are difficult for the installer.
  • a pressing attachment with a separate pressing machine can be used as a pressing tool.
  • a press attachment for the axial compression of workpieces known, which can be used for different workpiece sizes.
  • An attached to the press attachment separate pressing machine causes an axial pressing force with which the pressing is performed.
  • the dimensions of the press attachment are still very large compared to the workpieces, which means increased space requirements and increased weight of the pressing tool.
  • the present invention is therefore based on the technical problem of specifying a press attachment, a system and a method for axial compression, the press attachment has compact dimensions and low weight, is simple and allows axial compression even in confined space conditions.
  • the neck portions are arranged on the side facing away from the other press ring side of the press rings to allow the exertion of a pressing force to move the neck portions toward each other, for example by a separate press machine.
  • the pressing rings are not to be understood exclusively as closed circular rings.
  • the pressing rings can also be configured, for example, elliptical or in the form of a polygon.
  • the shape of the compression rings need not be closed, but they may also have, for example, an open shape, whereby insertion of a workpiece into the receiving area can be facilitated.
  • the pressing rings thus only have a shape which is suitable for limiting the receiving area and at least partially enclosing inserted workpieces for pressing.
  • a particularly secure hold can be achieved by enclosing the workpieces via the press rings for pressing.
  • the user of the press attachment can thus focus on the handling of a press machine for pressing after the insertion of the workpieces, the closing of the press ring halves and locking done.
  • the locking is sufficient for the press attachment to remain independent after locking on the workpieces and, for example, not yet held by the user with one hand, which in turn facilitates the handling of the press attachment in conjunction with a press machine.
  • the locking can be effected for example by interlocking hooks, profiled or roughened surfaces on the contact surfaces of the press ring halves.
  • the latching is designed so that it is to be released by the user with little force, for example by hand, when no pressing force is applied to the neck areas.
  • the latching can in particular be designed so that this is more difficult to solve in the case of a concern of a press force.
  • This can be effected, for example, by virtue of the fact that at least part of the contact surfaces of the pressing ring halves are substantially perpendicular to the pressing force exerted in the region of the locking, so that the pressing force presses the contact surfaces against one another.
  • the press ring halves could be secured against each other, for example, with a bolt or a screw.
  • the connecting element has at least one axis of rotation.
  • the pressing rings can be further stabilized to each other.
  • the arrangement of the rotation axis can be defined in a simple manner, the movement of the pressing rings to each other during the pressing. If, for example, approximately one plane is assigned to the shape of the pressing rings, in an advantageous embodiment, an axis of rotation parallel to the two planes can be arranged in the connecting element.
  • the pressing rings in the receiving area on pressing contours which are adapted to the shape of the workpieces to be pressed.
  • a particularly uniform compression of the workpieces can be achieved.
  • the pressing forces act on the workpieces flat by the pressing contours in order to keep the stress of the material of the workpieces low.
  • the compression of soft or brittle materials such as plastics are made possible.
  • the pressing contours can also be adapted to the movement of the pressing rings relative to the workpieces during the pressing.
  • the pressing contours preferably have sliding surfaces which reduce the friction between the pressing rings and the workpiece during the pressing.
  • the sliding surfaces can be formed by surfaces with high surface quality and also have lubricant-promoting agents such as coatings.
  • the geometry of the press rings can be adapted for optimal compression of the geometry of the respective workpieces.
  • sliding surfaces are arranged on the main body of the fitting and on the first press ring and / or on the sliding sleeve and on the second press ring. As a result, the sliding surfaces on the pressing rings and the respective workpieces during compression can cooperate.
  • the above-mentioned technical problem is solved by a method using a system according to the invention, wherein the clamping ring is applied to the support body of the fitting, wherein the sliding sleeve is applied to the clamping ring, wherein a pipe end between the support body and clamping ring is introduced, wherein the first pressing ring is brought into contact with the main body of the fitting and the second pressing ring in contact with the sliding sleeve and in which the approach portions of the pressing rings are moved towards each other and thereby pressed the sliding sleeve axially on the clamping ring becomes.
  • the shape of the fitting and the sliding sleeve and the shape of the pressing rings can be assigned approximately one level in each case.
  • the plane of fitting and sliding sleeve is approximately perpendicular to the workpiece axis.
  • the plane of the fitting can run parallel to the plane of the second press ring and thus, in particular, a large-area contact of the fitting with the press contour of the second press ring be made possible.
  • the surface of the first press ring is, for example, in the unpressed state at an angle to the surface of the second press ring and to the surface of the sliding sleeve.
  • the pressing contour of the first pressing ring then only has contact with a one-sided section of the sliding sleeve proximal to the connecting element.
  • the sliding sleeve is in this case initially loaded in only in this one-sided section by the pressing force arising in the receiving area.
  • the required pressing force is initially reduced in comparison to an equilateral pressing.
  • the method according to the invention can enable axial compression.
  • the surfaces of the pressing rings in the pressed state are parallel to one another or parallel to the surfaces of the fitting and sliding sleeve, whereby tilting in the compressed state can be prevented or compensated.
  • Fig. 2 shows the embodiment of a press attachment 2 with pressing ring halves 4a, 4b; 6a, 6b in open position in perspective view.
  • the pressing rings 4, 6 are provided with pressing contours 38, 40, which are adapted to the shape of the workpieces to be pressed (not shown here).
  • the pressing contours have sliding surfaces 42.
  • Fig. 3 shows an embodiment of a system with the press attachment 2 from Fig. 1 and 2 in the unpressed state and press ring halves 4a, 4b; 6a, 6b in open position in perspective view.
  • a fitting 52, a sliding sleeve 54, a pipe end 56 and a clamping ring 58 are inserted as workpieces.
  • the fitting 52, the sliding sleeve 54, the pipe end 56 and the clamping ring 58 are approximately rotationally symmetrical about a workpiece axis 60.
  • Fig. 4 shows the system Fig. 3 in the unpressed state in a sectional view with pressing ring halves 4a, 4b; 6a, 6b in the closed position.
  • the conical exceptions 48 and conical projections 50 of the latching means 44, 46 are in the closed position of the compression ring halves 4a, 4b; 6a, 6b engaged with each other and lock the press ring halves 4a, 4b; 6a, 6b in the closed position.
  • the fitting 52 has a base body 66 and a profiled support body 68.
  • the base body 66 is in contact with the pressing contour 38 of the second press ring 6.
  • the pipe end 56 is brought onto the profiled support body 68.
  • On the outside of the tube end 56 is in the region in which the support body 68 is located in the tube end 56, the clamping ring 58 is positioned on the tube.
  • On the clamping ring 58 there is the sliding sleeve 54, which is in contact with the clamping ring 58 via inclined contact surfaces.
  • the sliding sleeve 54 is in the unpressed state only partially in contact with the pressing contour 40 of the first press ring 4.
  • the clamping ring 58 has a flange 70 which is in abutment with the sliding surface 42.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)
EP15157566.9A 2014-03-11 2015-03-04 Presse destinée à comprimer axialement des pièces à usiner Active EP2918354B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014103213.6A DE102014103213B4 (de) 2014-03-11 2014-03-11 Pressaufsatz zum axialen Verpressen von Werkstücken

Publications (2)

Publication Number Publication Date
EP2918354A1 true EP2918354A1 (fr) 2015-09-16
EP2918354B1 EP2918354B1 (fr) 2019-05-01

Family

ID=52669469

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15157566.9A Active EP2918354B1 (fr) 2014-03-11 2015-03-04 Presse destinée à comprimer axialement des pièces à usiner

Country Status (3)

Country Link
EP (1) EP2918354B1 (fr)
DE (1) DE102014103213B4 (fr)
DK (1) DK2918354T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105855411A (zh) * 2016-05-27 2016-08-17 宁波宁蒸铝业有限公司 一种外接管的套管装置
EP3248734B1 (fr) * 2016-05-26 2019-02-27 Geberit International AG Dispositif de presse a faible friction

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3473384A1 (fr) * 2017-10-20 2019-04-24 Haelok AG Dispositif d'assemblage permettant de fabriquer un assemblage par pression entre un ensemble de raccordement et un segmentde tuyau

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8807923U1 (de) * 1988-06-20 1988-09-22 Boss, Hans, Egg, Zürich Vorrichtung zur Kraftaufbringung, insbesondere Montagevorrichtung für eine Rohrverbindungskupplung auf Verpressungsbasis
US20030230130A1 (en) * 2002-06-17 2003-12-18 Emerson Electric Co. Assembly for articulating crimp ring and actuator
WO2011038818A1 (fr) 2009-09-30 2011-04-07 Rothenberger Ag Dispositif de compression axiale de pièces
DE202011000236U1 (de) * 2011-02-01 2012-05-03 Beulco Gmbh & Co. Kg Manuell betätigbares Schiebehülsenverbinderwerkzeug

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3834296A1 (de) * 1988-06-20 1989-12-21 Daniel Knipping Vorrichtung zur kraftaufbringung, insbesondere montagevorrichtung fuer eine rohrverbindungskupplung auf verpressungsbasis
EP1531016B1 (fr) * 2003-11-13 2007-06-13 Ridge Tool Company Outil de presse
DE102007047339A1 (de) * 2007-10-04 2009-04-09 Novartec Ag Presswerkzeug und Presseinrichtung
DE102012105655A1 (de) * 2012-06-28 2014-01-02 Viega Gmbh & Co. Kg Pressbacke und Verfahren zum Herstellen einer unlösbaren Rohrverbindung und System aus einer Pressbacke und einem Fitting

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8807923U1 (de) * 1988-06-20 1988-09-22 Boss, Hans, Egg, Zürich Vorrichtung zur Kraftaufbringung, insbesondere Montagevorrichtung für eine Rohrverbindungskupplung auf Verpressungsbasis
US20030230130A1 (en) * 2002-06-17 2003-12-18 Emerson Electric Co. Assembly for articulating crimp ring and actuator
WO2011038818A1 (fr) 2009-09-30 2011-04-07 Rothenberger Ag Dispositif de compression axiale de pièces
DE202011000236U1 (de) * 2011-02-01 2012-05-03 Beulco Gmbh & Co. Kg Manuell betätigbares Schiebehülsenverbinderwerkzeug

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3248734B1 (fr) * 2016-05-26 2019-02-27 Geberit International AG Dispositif de presse a faible friction
CN105855411A (zh) * 2016-05-27 2016-08-17 宁波宁蒸铝业有限公司 一种外接管的套管装置
CN105855411B (zh) * 2016-05-27 2018-07-31 宁波宁蒸铝业有限公司 一种外接管的套管装置

Also Published As

Publication number Publication date
DE102014103213A1 (de) 2015-09-17
DE102014103213B4 (de) 2015-11-26
EP2918354B1 (fr) 2019-05-01
DK2918354T3 (da) 2019-06-24

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