EP1559513B1 - Pince à sertir avec mâchoires pivotantes - Google Patents

Pince à sertir avec mâchoires pivotantes Download PDF

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Publication number
EP1559513B1
EP1559513B1 EP05001177A EP05001177A EP1559513B1 EP 1559513 B1 EP1559513 B1 EP 1559513B1 EP 05001177 A EP05001177 A EP 05001177A EP 05001177 A EP05001177 A EP 05001177A EP 1559513 B1 EP1559513 B1 EP 1559513B1
Authority
EP
European Patent Office
Prior art keywords
pressing
tilting
jaws
joint
pipe
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
EP05001177A
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German (de)
English (en)
Other versions
EP1559513A3 (fr
EP1559513A2 (fr
Inventor
Michael Birk
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to SI200531341T priority Critical patent/SI1559513T1/sl
Priority to PL05001177T priority patent/PL1559513T3/pl
Publication of EP1559513A2 publication Critical patent/EP1559513A2/fr
Publication of EP1559513A3 publication Critical patent/EP1559513A3/fr
Application granted granted Critical
Publication of EP1559513B1 publication Critical patent/EP1559513B1/fr
Not-in-force 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

Definitions

  • the invention relates to a device comprising a pressing tongs head for producing a pipe press connection, in particular for the realization of pressing forces up to 13 tons, comprising two opposite, each pivotally arranged one another pressing cheeks each with a recess for forming an opening for receiving a pipe section.
  • a pressing tongs head or pressing tools are used in particular for producing a pipe press connection with a press fitting element and a pipe which can be pushed in or pushed onto it.
  • compression technology The technique of pipe connection by means of threaded pipes and / or by welding or soldering, which used to be common in the sanitary and heating sector, has been replaced in recent years by a connection method called "compression technology".
  • a press fitting element with a pipe which can be inserted therein is connected to one another in an undetachable manner by pressing.
  • a pressing tool usually consisting of two pressing jaws, recognized in the open position in the connection area and made by activating a connectable with the pressing tool drive (for example, electrically or hydraulically) the pipe press connection by closing the pressing tool.
  • the compression technology is particularly suitable for pipes with a diameter of 10 mm to 100 mm.
  • a known crimping pliers goes from the DE 200 16 060 U1 out.
  • the pressing tongs are designed with two jaws, the jaws being bent over the pivoting levers. In this way, although not necessarily a vertical alignment of the pressing tongs to a conduit is required, but now a predetermined angle must always be maintained.
  • the DE 200 18 312 U1 and the US 2003/0230130 A1 show embodiments of pressing tongs, which are connected to the processing of the tube with a press sling.
  • the connection between press loop and pressing tongs head can be designed as a joint.
  • this two-part design of the pressing tool may be more difficult to handle and has a higher technical complexity result.
  • the pressing tongs head consists of two opposing, each one pivot point pivotally arranged pressing jaws each having a recess for forming an opening for receiving a pipe section to be connected to a Pressfittingelement.
  • high pressing forces of up to 13 t must be generated. Under cramped conditions, especially in a tight running on a wall pipe, the pressing tool with its large-volume, executed pressing tongs is not applicable.
  • the US 5 255 579 A relates to a manually operated toggle pliers, each having a tilting joint between the front gripping part and pliers lever. But this tool is used to hold nuts, screws or the like. It is not suitable for pressing a press fitting. There are no significant holding forces transferred to detected workpieces, since these can be introduced in particular only on a difficult to handle adjusting screw in the toggle pliers. In the development of a pressing tool this area of the pliers is not considered.
  • the device according to the invention thus has according to claim 1 a pressing tongs head for producing a pipe press connection, in particular for the realization of pressing forces of up to 13 tons, comprising two opposite, each pivot around a pivotally arranged pressing jaws each having a recess for forming an opening for receiving a pipe section, wherein each press jaw has a tilting joint for generating a tilt angle and a synchronization mechanism for ensuring the same tilt angle and wherein portions of each pressing jaw are tiltable relative to each other and that a recess having part relative to the remaining part of a pressing jaw.
  • the pressing tongs head is usually a separately available component of a pressing tool, which optionally has different nominal diameters.
  • nominal diameter is meant a measure of the opening formed by the press jaws to the pipe line, so this measure also serves as an indication that which line diameter can be machined with such a pressing tongs head.
  • a pressing tongs head usually has nominal width ranges from 10 mm to 100 mm (eg, can be used for pipes of 50-75 mm diameter) to generate a uniform, radially inward force.
  • the Verschwenkweg the pressing jaws is kept small at the same time, so that simpler drive units can be used, which thus only allow a limitation of the pivoting movement of the pressing jaws.
  • the pressing jaws are in the closed state substantially parallel to each other and to each other. They each have a pivot about which they are pivotable.
  • the pressing jaws themselves are contacted on the one hand with the pipe to be processed and on the other hand with force introduction means.
  • This means in particular that this tool does not require a press sling or similar additional components that absorb the pivotal movement generated by the pressing jaws and even act on the pipe section to be machined.
  • the pressing jaws are therefore provided with a corresponding recess, wherein both recesses together form the opening or receptacle for a pipe.
  • the diameter of the opening in turn corresponds approximately to the diameters of the conduits to be machined, so that a possible symmetrical, radially inwardly acting force acts on the pipe section.
  • the tilting joint is each designed so that it can transmit the forces occurring.
  • the tilting joint usually has a neutral position, in which the pressing tongs head essentially corresponds to the shape of conventional pressing tongs heads. Starting from this neutral position, it is possible to divert portions of the pressing tongs head and the pressing jaws of this neutral position in one and / or other direction. In this case, a tilting area is realized, which can be easily described with the tilt angle.
  • each pressing jaw has a separate tilting joint
  • the tilting movement of the pressing jaws is carried out coupled.
  • the pressing jaws and / or the pressing tongs head it is possible for the pressing jaws and / or the pressing tongs head to have at least one further tilting joint and / or an (unchanging) bend in order to achieve a larger tilting angle.
  • the tilting joint starting from the neutral position, provides a tilt angle in one direction, for example 90 °.
  • the tilting joint is tiltable in both directions with a tilt angle, starting from the neutral position, so that, for example, a total tilt angle of approximately 180 ° can be realized. If the tilting joint is in a deflected position, portions of the pressing tongs head are in a non-perpendicular position to the pipe section or not aligned with the opening of the pressing jaws for receiving the pipe section. Rather, these are for example at a 90 ° tilt parallel to the pipe section.
  • a press connection can be realized.
  • portions of each pressing jaw are tiltable relative to each other.
  • the position of the tilting joint in the pressing jaw is such that a part having the recess is tiltable relative to the remaining part of a pressing jaw.
  • a synchronization mechanism is also provided to ensure the same tilt angle.
  • the synchronization mechanism can be realized for example by providing a connection of both tilting joints or the two pressing jaws is, so that an independent operation only one of the two tilting joints in the pressing jaw is not possible.
  • a flap, a guide pin or a similar component may be provided on a pressing jaw, which acts as a kind of driver, thus forcing the movable or tiltable part of the other pressing jaw to follow its own tilting movement. It should be ensured that this driver is still a guide even in the open or swung-out state of the pressing jaws.
  • the tilting joint each forms a tilt angle in the range of 120 ° to 30 °.
  • a tilt angle of up to 90 ° is sufficient.
  • the individual tilt angles can be adjusted continuously, but it is also possible that only certain tilt angles, for example at equal intervals of 30 °, are adjustable.
  • the tilting joint comprises at least one locking element for fixing at least one predetermined tilt angle.
  • the tilting joint comprises at least one locking element for fixing at least one predetermined tilt angle.
  • adjustment or adjustment aids may be provided, such as by means of at least one locking element.
  • the latching element engages with corresponding recesses of the pressing tool when a certain Tilt angle has been reached.
  • the latching element can be an element of the tiltable part or of the stationary part of the pressing tool, wherein a corresponding latching possibility is provided in the respective other part.
  • the locking element also ensures that this tilt angle is not changed during the processing of the pipe section.
  • the at least one locking element has at least one spring element and a movable pin, so that the bolt with the spring element is deflectable towards a depression of the tilting joint.
  • a kind of latching closure is formed, which locks the tilting joint in a certain position or with a certain tilt angle.
  • the term "bolt” includes a multiplicity of different form elements which are suitable for carrying out such a latching function, for example also balls, projections, latching noses, etc. This bolt is movably arranged, that is to say in particular displaceable relative to partial areas of the tilting joint.
  • the bolt is pressed with the spring element in a depression and forms a positive connection or adhesion there. This ensures that further tilting is prevented without additional measures.
  • the depression preferably has a contour which is adapted to the bolt.
  • a device comprising a pressing tongs head according to one of the preceding claims 1-4, and a drive unit for effecting the pivoting movement transverse to an axis.
  • Each of the two pressing jaws has, in addition to its pivot joint, a tilting joint for generating a tilting angle.
  • a drive unit is in particular to be understood as one which applies the force required for pivoting the pressing jaws by means of an electric or hydraulic drive unit. In this case, a force is usually generated along the axis, which is then converted to the pivoting movement.
  • At least one separate tilting joint is formed with the pressing jaws.
  • Other tilting joints may e.g. be provided on the pressing tongs head. With regard to further capabilities or design variants of the tilting joint, reference is made to the corresponding facts of the tilting joint of the pressing pliers head.
  • the pressing tool has a releasable connection mechanism for the pressing tongs head.
  • a releasable connection are especially screw or snap on. Other locking systems can be used under certain circumstances.
  • this has a drive unit with a reciprocating piston, which causes the pivoting movement of the pressing jaws.
  • the reciprocating piston can be operated hydraulically or electrically.
  • the linear movement of the reciprocating piston is transferred by suitable means in the pivoting movement of the pressing jaws.
  • the power transmission or the transmission of the pivoting movement takes place via the tilting joint.
  • claim 8 is the re-releasable connection mechanism of the pressing tongs head connected with an adapter and a transducer with the form of a lifting piston drive unit.
  • Fig. 1 and 2 show schematically and in two views a pressing tool 5, which is used for connecting pipes.
  • Fig. 1 Top view
  • the tilting joint 3 is part of the pressing tongs head 1, which is connected via a connecting mechanism 13 with an adapter 15 and further via a receiver 16 with the trained as a reciprocating piston 14 drive unit.
  • the adapter 15 allows the inclusion of different configurations of the pressing tongs head 1, for example, depending on the used reaching Drive unit 6 or the resulting power transmission to the pressing tongs head 1.
  • Fig. 1 It can be seen very well that the pressing tool 5 extends substantially along an axis 7.
  • a tube section to be connected is now to be arranged between the pressing jaws 2 of the pressing tongs head 1, previously this axis 7 had to be aligned essentially perpendicular to the axis of the pipeline.
  • the tilting joint 3 now offers the possibility of allowing a deviating orientation of the pressing tool 5 to the (not shown) line section.
  • Fig. 2 (Side view) it can be seen that the pressing tool 5 has a handle 18 with a switching lever 17 for activating the drive unit 6. Accordingly, the pressing tool 5 is to be operated with one hand.
  • the drive unit 6 is designed with a reciprocating piston 14 which generates a force in the direction of the axis 7.
  • the 3 and 4 also show in two different views a variant of the pressing pliers head 1.
  • the pressing pliers head 1 in turn extends substantially in a plane which can be characterized by the axis 7. While in Fig. 1 and 2 a neutral position of the tilting joint is shown in the Fig. 3 a 90 ° angled position of the pressing jaws 2 shown. With the help of the tilting joint 3 thus the tilt angle 4 of 90 ° (degrees) is realized. Consequently, the pressing tongs head 1 is now to be aligned substantially parallel to the pipe section (not shown) to be connected.
  • each pressing jaw 2 has a kind of hinge joint, wherein the two tilting joints 3 despite each separate shafts 20 operable only in synchronism with each other are, as outside drivers 21 are provided which ensure a smooth, smooth and synchronous tilting of the pressing jaws 2.
  • This synchronization mechanism 12 is thus formed with drivers 21, which are provided on both sides of a pressing jaw 2.
  • the tilt angle is preset via a respective adjusting wheel 19, so that the shafts 20 of the tilting joints 3 have a matching orientation or orientation.
  • a locking element 8 is illustrated.
  • the shaft 20 which is not only movably mounted along its extension axis, but also can also rotate, designed with a bolt 10 which is locked at certain angular positions by means of a spring element 9 in the recess 11 of the tilting joint 3.
  • the shaft 20 is to move against the force of the spring element 9 by means of the adjusting wheel 19 upwards and twist.
  • Such depressions 11 or spring elements 9 can be provided in different angular positions.
  • Fig. 6 schematically another embodiment of the pressing tongs head 1 is shown with a synchronization mechanism 12, which is realized with both sides of a press jaw 2 arranged drivers 21.
  • the driver 21 (wherein only one is shown in the foreground) are each secured via a (one-sided) attachment 22 on a Pressba bridge 2. Since the drivers 21 extend into the region of the other pressing jaw 2, they serve as a kind of guide. If the pressing jaw 2, shown below, tilts in its separate tilting joint 3, then at least one driver 21 comes into contact with the other pressing jaw 2 and thus ensures that it is likewise tilted in the same way. Thus, a substantially aligned alignment of the two pressing jaws 2 can be ensured.
  • Figure 7 shows schematically an application example of a pressing tongs with a tilting joint 3 in the pressing jaws 2. Shown is a wall 24 from which a tube 25 exits, wherein the tube 25 is formed bent near the wall and then arranged substantially parallel with a small distance 23.
  • the known pressing tongs are often designed relatively large volume, so that a vertical attachment of the pressing tool parallel to the wall 24 may be problematic.
  • the pressing pliers head 1 according to the invention now offers a preferred application, as by means of the tilting joints 3 an oblique attachment of the pressing tool is made possible, while ensuring that the pressing jaws 2 are aligned at an angle 26 of 90 ° during the pressing process.
  • the pressing tool described here or the pressing tongs head allows a connection of pipes, the tool is very flexible and easy to use even in confined spaces.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Food-Manufacturing Devices (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Clamps And Clips (AREA)

Claims (9)

  1. Dispositif présentant une tête (1) en forme de pince à sertir pour l'obtention d'une liaison par presse à plier les tubes, en particulier pour exercer des forces de compression jusqu'à 13 tonnes, comprenant deux mâchoires de compression opposées (2) disposées en pivotement réciproque autour de respectivement un centre de rotation, comprenant respectivement un évidement pour la formation d'une ouverture pour la réception d'un tronçon de conduite, caractérisé en ce que chaque mâchoire de compression (2) possède un coude mobile (3) pour générer un angle d'inclinaison (4) et en ce qu'on prévoit un mécanisme de synchronisation (12) pour garantir le même angle d'inclinaison (4), des zones partielles de chacune des mâchoires de compression (2) pouvant basculer l'une par rapport à l'autre et plus précisément une partie présentant l'évidement par rapport à la partie restante d'une mâchoire de compression (2).
  2. Dispositif selon la revendication 1, caractérisé en ce que le coude mobile (3) forme un angle d'inclinaison (4) dans la plage de 120° à 30°.
  3. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le coude mobile (3) comprend au moins un élément (8) en forme de cran d'arrêt pour la fixation d'au moins un angle d'inclinaison prédéfini (4).
  4. Dispositif selon la revendication 3, caractérisé en ce qu'au moins un élément (8) en forme de cran d'arrêt possède au moins un élément (9) faisant ressort et un boulon mobile (10), si bien que le boulon (10) peut pivoter avec l'élément (9) faisant ressort jusqu'à un abaissement (11) du coude mobile.
  5. Dispositif présentant un outil de presse (5) comprenant une tête (1) en forme de pince à sertir selon l'une quelconque des revendications précédentes, ainsi qu'une unité d'entraînement (6) pour la mise en oeuvre du mouvement de pivotement transversalement à un axe (7).
  6. Dispositif selon la revendication 5, caractérisé en ce qu'il possède un mécanisme de liaison amovible (13) pour la tête (1) en forme de pince à sertir.
  7. Dispositif selon la revendication 5 ou 6, caractérisé en ce que l'unité d'entraînement (6) comprend un piston élévateur (14) qui entraîne le mouvement de pivotement des mâchoires de compression (2).
  8. Dispositif selon la revendication 7, caractérisé en ce que le mécanisme de liaison amovible (13) de la tête (1) en forme de pince à sertir est relié à un adaptateur (15) et au-delà via un capteur (16) à l'unité d'entraînement (6) réalisée sous la forme d'un piston élévateur (14).
  9. Utilisation d'un dispositif selon l'une quelconque des revendications 5 à 8, pour l'obtention d'une liaison par presse à plier les tubes dans des systèmes de canalisations dans le domaine sanitaire et du chauffage, en particulier pour exercer des forces de compression jusqu'à 13 tonnes.
EP05001177A 2004-01-31 2005-01-21 Pince à sertir avec mâchoires pivotantes Not-in-force EP1559513B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200531341T SI1559513T1 (sl) 2004-01-31 2005-01-21 Orodje za stiskanje z vrtljivimi stiskalnimi äśeljustmi
PL05001177T PL1559513T3 (pl) 2004-01-31 2005-01-21 Przyrząd do zaciskania z obrotowymi szczękami zaciskającymi

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004005558A DE102004005558B4 (de) 2004-01-31 2004-01-31 Presszangenkopf und Presswerkzeug
DE102004005558 2004-01-31

Publications (3)

Publication Number Publication Date
EP1559513A2 EP1559513A2 (fr) 2005-08-03
EP1559513A3 EP1559513A3 (fr) 2009-12-30
EP1559513B1 true EP1559513B1 (fr) 2011-05-25

Family

ID=34638842

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05001177A Not-in-force EP1559513B1 (fr) 2004-01-31 2005-01-21 Pince à sertir avec mâchoires pivotantes

Country Status (7)

Country Link
EP (1) EP1559513B1 (fr)
AT (1) ATE510660T1 (fr)
DE (1) DE102004005558B4 (fr)
DK (1) DK1559513T3 (fr)
ES (1) ES2366475T3 (fr)
PL (1) PL1559513T3 (fr)
SI (1) SI1559513T1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007013706B3 (de) 2007-03-22 2008-11-13 Rothenberger Ag Verpressvorrichtung für rohrförmige Werkstücke
DE102007047339A1 (de) 2007-10-04 2009-04-09 Novartec Ag Presswerkzeug und Presseinrichtung
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
DE102008057424B4 (de) 2008-11-12 2010-09-02 Interprecise Donath Gmbh Vorsatzvorrichtung für eine Rohrpressmaschine
DE102016100823A1 (de) * 2016-01-19 2017-07-20 Propress Gmbh Pressvorrichtung
DE102017127707A1 (de) * 2017-11-23 2019-05-23 Viega Technology Gmbh & Co. Kg Wechselbacke für Presswerkzeug

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5255579A (en) 1991-01-15 1993-10-26 Pierre Fortin Pivoting jaw locking tool
DE19826110A1 (de) * 1998-06-12 1999-12-23 Siegfried Leverberg Elektrohydraulische Vorrichtung zum Verpressen von Rohrverbindungen
DE10029761C1 (de) * 2000-06-16 2001-10-31 Mapress Gmbh & Co Kg Verfahren zur Herstellung einer Rohrpressverbindung
DE20016060U1 (de) * 2000-09-16 2000-12-28 Volp Rainer Presszange
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
DE20303228U1 (de) * 2003-02-27 2003-04-30 Hsien Chih Ching Winkelverstellmechanismus von Handwerkzeug
US7516990B2 (en) * 2003-05-15 2009-04-14 Mueller Industries, Inc. Fluid conduit system and fittings therefor

Also Published As

Publication number Publication date
EP1559513A3 (fr) 2009-12-30
DE102004005558A1 (de) 2005-08-18
DE102004005558B4 (de) 2006-04-20
ATE510660T1 (de) 2011-06-15
PL1559513T3 (pl) 2011-10-31
DK1559513T3 (da) 2011-08-22
ES2366475T3 (es) 2011-10-20
EP1559513A2 (fr) 2005-08-03
SI1559513T1 (sl) 2011-10-28

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