EP3186023B1 - Presse radiale - Google Patents

Presse radiale Download PDF

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Publication number
EP3186023B1
EP3186023B1 EP15738610.3A EP15738610A EP3186023B1 EP 3186023 B1 EP3186023 B1 EP 3186023B1 EP 15738610 A EP15738610 A EP 15738610A EP 3186023 B1 EP3186023 B1 EP 3186023B1
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EP
European Patent Office
Prior art keywords
axis
press
pressing
radial
relation
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Active
Application number
EP15738610.3A
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German (de)
English (en)
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EP3186023A1 (fr
Inventor
Harald VON WAITZ
Heidi Jarrasch
Carsten Baumgartner
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.)
Uniflex Hydraulik GmbH
Original Assignee
Uniflex Hydraulik GmbH
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Publication of EP3186023A1 publication Critical patent/EP3186023A1/fr
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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
    • 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
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003—Positioning devices

Definitions

  • the present invention relates to a radial press for centric to a press axis radial deformation of a workpiece, with two press parts, which are relatively movable by means of a drive unit along a drive axis relative to each other, and a pressing tool, which concentrically around a recorded in a defined between the press parts tool installation space die set the pressing axis arranged around pressing jaws comprises whose distance depends on the pressing axis of the position of the two press parts to each other.
  • Radial presses of the type mentioned above are used for various applications, for example for connecting fittings with hose sections in the production of ready-to-install hydraulic hose lines. They are known in various constructions and designs, for example as so-called “yoke presses” (cf. DE 4135465 A1 . DE 19912976 A1 and DE 19817882 B4 ), "Hollow piston press” (cf., for example DE 10149924 A1 ) or in other construction (see eg DE 2844475 A1 . DE 3611253 A1 . DE 10047025 C2 . DE 19940744 A1 . DE 19817882 A1 and DE 3331721 A1 ).
  • radial presses have proven themselves in practice. When used properly, for example, long-lasting, very high requirements sufficient connections between two components (eg Hose section and connection fitting). Notwithstanding this, the present invention has the object, radial presses of the type mentioned in terms of their handling to further improve, and in particular to the effect that high-quality results even less than previously dependent on the experience and / or detailed training of the operator or In other words, the risk of producing inferior results is reduced by less skilled or trained operators. In other words, the present invention is directed to providing a radial press of the generic type described above, which is characterized by a particularly favorable in terms of quality and / or reproducibility of the compression design.
  • the object specified above according to the present invention is achieved by providing in a radial press of the generic type extending between the two press parts, cooperating with these centering device, which comprises a centering body, which is independent by a system of coupled to the two press parts control rods is held by the position of the press parts to each other always at a central position to this or in a fixed geometric relationship to the center position.
  • the inventively provided centering device can improve the - existing after the pressing process - quality of the workpiece and / or optimize the pressing process in any other way, for example by the centering body is in communication with a depth stop, which specifies the position of the workpiece to be pressed in the press exactly reproducible.
  • the centering body can alternatively or additively also serve, for example, to position the workpiece to be pressed exactly on the press axis, so that an optimally uniform pressing of the workpiece takes place over the entire circumference, and / or the pressing process directly (eg via to carry the so-called "Nippeleinfall" when pressing nipples to hose lines) monitoring sensor.
  • the present invention can be used in yoke presses, in which the two press parts are formed by two by means of the drive unit perpendicular to the press axis to each other movable yokes.
  • the centering device is preferably arranged in the region of one of the end faces of the radial press, wherein the centering body is always held on the press axis by the system of control rods coupled to the two yokes, independently of the position of the yokes.
  • the centering is suitable as an abutment for a depth stop, as a means for positioning the Workpiece exactly on the press axis and as a carrier for the detection of the pressure curve serving sensors.
  • control rods intersect each other in the manner of a scissors gear, wherein the position of the centering is determined by the intersection of the two control rods.
  • each control rod it is possible, particularly preferably, for each control rod to be pivotably coupled to one of the two yokes about a pivot axis parallel to the pressing axis and coupled to the other yoke via a linear guide.
  • the two control rods it is particularly favorable if the two control rods have linear guides in the region of their overlap, wherein the centering body is connected to a guide body guided on both linear guides.
  • the guide body comprises two halves which can be rotated relative to each other about an axis which is congruent to the press axis, one of the control rods being received in a longitudinally displaceable manner in or on each of the two halves.
  • both control rods with two yokes to be coupled via a respective linear guide, wherein the control rods are pivotally connected to each other about an axis identical to the press axis. This may prove advantageous in the individual case for the storage of the centering on the control rod system of the centering device.
  • control rod system can be designed in a different manner than in the manner of a scissors gear (see above).
  • the two control rods each comprise a rack rigidly connected to the associated press yoke, wherein between the mutually facing, transversely to the press axis and the drive axis staggered teeth of the two racks meshing with a gear is added, whose position determines the position of the centering. This may be favorable from the standpoint of low wear; because in this embodiment, there are no linear guides with relatively sliding parts.
  • a control rod is rigidly connected to one of the two yokes and has a linear guide extending parallel to the drive axis, whereas a second control rod (arranged diagonally) can be pivoted with both yokes and is also linearly displaceably coupled to at least one of the two yokes.
  • the position of the centering body is determined by the point of intersection between the linear guide rigidly connected to one of the two yokes control rod with that (diagonal) control rod, which is pivotally coupled to both yokes.
  • the radial press is designed as a printing plate press by the two press parts are formed by two by means of the drive unit parallel to the pressing axis to each other movable pressure plates, wherein the centering is arranged laterally on the radial press and the centering through the system Independently of the position of the pressure plates, the control rods coupled to the two pressure plates are always held centrally between them or in a fixed geometric relationship to the center position.
  • the centering unit is particularly suitable for connecting a depth stop for workpieces to be pressed to the centering body, which is preferably arranged on the press axis.
  • the centering retains its during the pressing process central position between the two pressure plates - and thus its relative position to the pressing jaws of the pressing jaw set in the direction of the pressing axis - at, so that the position of a connected to the centering depth stop does not change relative to the pressing jaws during the pressing process.
  • the centering unit is also suitable for the other uses described above in connection with yoke presses designed according to the invention.
  • the other aspects of the present invention set forth above for yoke presses apply correspondingly to radial presses of a different construction, in particular for pressure plate presses.
  • suitable for the to a press axis X radial deformation of a workpiece and provided radial press 1 has two as yokes, namely as the lower yoke 2 and upper yoke 3 executed pressing parts 4, 5, which by means of a drive unit 6 along a - on the press axis X vertical - drive axis A relative to each other are movable.
  • the drive unit 6 comprises two single-acting, coupled by a cross member 7 cylinder-piston units 8, of which in each case the cylinder 9 - with the interposition of a base plate G - is supported on the lower yoke 2, whereas the respective piston via a (the lower yoke 2 penetrating and guided in this) pull rod 10 is connected to the upper yoke 3.
  • the drive unit 6 further comprises a return cylinder 11, which is arranged between the two cylinder-piston units 8 and of which the cylinder 12 is connected to the traverse 7 and the piston to the base plate G.
  • a formed between the yokes 2 and 3 tool installation space 13 is in the usual way for Recording of a pressing tool executed, which comprises a pressing jaw set with (for example eight) concentrically arranged around the press axis X around pressing jaws whose distance to the press axis of the position of the two yokes 2, 3 depends on each other.
  • the yoke press after Fig. 1 is characterized in constructive implementation of the present invention by a between the two yokes 2, 3 extending, arranged in the region of one of the two end faces S of the radial press 1 centering device 14.
  • This comprises a control rod system 15 of two with the two yokes 2, 3 coupled control rods 16, 17.
  • the two control rods 16, 17 cross each other in the manner of a scissors gear. They are in their - lying on the press axis X - cutting or crossing point 18 pivotally connected to each other via a pivot pin 19 such that the two control rods 16 and 17 relative to the press axis X can be pivoted relative to each other.
  • Each of the two control rods 16 and 17 is coupled to two yokes 2, 3 via a respective linear guide 20, which is to be understood by such a guide, which is also a pivoting of the respective control rod 16, 17 to the point at which it is guided linearly displaceable on the respective yoke 2, 3 permits.
  • a respective linear guide 20 which is to be understood by such a guide, which is also a pivoting of the respective control rod 16, 17 to the point at which it is guided linearly displaceable on the respective yoke 2, 3 permits.
  • two elongated holes 21 are provided at both ends of the control rods 16 and 17, which are oriented parallel to the extension of the respective control rod 16 and 17, respectively.
  • a guide pin 22 engages in the corresponding slots 21, which is fixed to the associated yoke, ie the lower yoke 2 and the upper yoke 3.
  • the centering device 14 comprises a centering body 23 whose position is determined by the intersection point 18 of the two control rods 16, 17, for which purpose it is coupled to the pivot pin 19 of the control rod system 15. In this way, the centering body 23 is always independent of the position of the yokes 2, 3 to each other on a central position to this, that is held on the press axis X.
  • the centering 23 is equally suitable as an abutment for a depth stop for the workpiece to be pressed, as a support for the detection of the pressure curve serving sensors, as an abutment and centering for a press jaw change tool to be used as well as for the centering of the workpiece within the pressing tool at the beginning of the pressing process, before the press jaws come into contact with the workpiece.
  • each control rod 16, 17 is coupled only to the upper yoke 3 via a linear guide 20 in the sense described above, whereas the guide rods 16, 17 with the lower yoke 2 each - about a pivot axis parallel to the press axis X pivotable - at one Hinge pin 24 are articulated.
  • the two control rods 16, 17 in the region of their overlap elongated holes 25, which each represent a linear guide 26.
  • the position of the centering body, which is arranged on a guide body 27, is defined by the intersection of the two elongated holes 25.
  • the guide body 27, which has two front panels 28 resting against the two control rods 16, 17, comprises a central centering bolt penetrating the two slots 25.
  • the guide body 27 can comprise two halves which can be rotated relative to each other about an axis which is congruent to the press axis X, wherein one of the control rods 16, 17 is longitudinally displaceably received in or on each of the two halves.
  • the two front panels 28 with respect to each other about the respective center M to be rotated, wherein on each of the two front plates 28, a sliding block is arranged, which is guided in the slot 25 of the respective adjacent control rod 16 and 17 respectively.
  • sliding blocks guided in oblong holes 25 of the control rods 16, 17 are also considered, for example, in that guides for the control rods 16, 17 are attached to the two front panels 28, which engage externally on the respective associated control rods 16 and 17.
  • Fig. 3 illustrates a modification of the radial press after Fig. 1 such that a control rod 34 is rigidly connected to the lower yoke 2.
  • This control rod 34 has a parallel to the drive axis A extending linear guide 35.
  • the second (diagonally disposed) control rod 16 is pivotally and linearly coupled to both yokes 2 and 3; At her the centering body 23 is arranged. The position of the centering body 23 is determined by the point of intersection between the linear guide 35 of the control rod 34 with the (diagonal) control rod 16.
  • Fig. 4 Figure 1 illustrates one way of implementing the present invention on a printing plate press.
  • the latter is distinguished by the fact that the two press parts 4, 5 are formed by two pressure plates 29, 30 which are movable relative to one another parallel to the press axis X by means of the drive unit 6.
  • Fig. 3 the tools used in the tool installation space 13 with pressing jaws P, which are supported in such a known manner on both pressure plates 29 and 30 on sliding bevels.
  • the centering device 14 is arranged laterally on the radial press 1. It in turn comprises a control rod system 15 with two control rods 16 and 17 coupled to the two press parts 4 and 5. While a control rod 16 is rigidly connected to the first pressure plate 29, the other control rod 17 is rigidly connected to the second pressure plate 30. Both control rods each include a toothing 31, the two teeth 31 facing each other in parallel at a distance. Between the teeth 31 of the two control rods 16, 17, a gear 32 is received, with these combing. Connected to the axis of the gear 32 is the centering body 23, which is held by the centering device 14 - regardless of the position of the pressure plates 29, 30 to each other - always centrally between them. A linkage 33 is coupled to the centering body 23, to which a depth stop, a sensor or the like can again be attached - in the position lying unchanged on the press axis X relative to the middle between the two pressure plates 29, 30.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)
  • Press Drives And Press Lines (AREA)

Claims (12)

  1. Presse radiale (1) pour la déformation radiale centrique d'une pièce à usiner par rapport à un axe de presse (X), comportant deux parties de presse (4, 5), qui peuvent être déplacées au moyen d'une unité d'entraînement (6) l'une par rapport à l'autre le long d'un axe d'entraînement (A) et un outil de pressage, qui comprend un jeu de mâchoire de pressage renfermé dans un espace de montage d'outil (13) défini entre les parties de presse (4, 5) avec des mâchoire de pressage (P) disposées concentriquement autour de l'axe de presse (X), dont l'écart par rapport à l'axe de presse dépend de la position des deux parties de presse (4, 5) l'une par rapport à l'autre,
    caractérisée en ce que
    un dispositif de centrage (14) s'étendant entre les deux parties de presse (4, 5), coopérant avec celle-ci est prévu, qui comprend un corps centreur (23), qui est maintenu par l'intermédiaire d'un système composé de barres de commande (16, 17) couplées avec les deux parties de presse indépendamment de la position des parties de presse l'une par rapport à l'autre constamment en une position centrale par rapport à celle-ci,respectivement dans une relation géométrique fixe par rapport à la position centrale.
  2. Presse radiale selon la revendication 1, caractérisée en ce que elle est conçue comme une presse à étrier, en ce que les deux parties de presse (4, 5) sont formées par deux étriers (2, 3) déplaçables l'un par rapport à l'autre au moyen de l'unité d'entraînement (6) perpendiculairement à l'axe de presse (X), dans laquelle l'unité de centrage (14) est disposée au niveau d'un des côtés frontaux (S) de la presse radiale (1) et le corps centreur (23) est maintenu par le système composé de barres de commande (16, 17), qui sont couplées avec les deux étriers (2, 3) indépendamment de la position des étriers les uns par rapport aux autres constamment sur l'axe de presse (X).
  3. Presse radiale selon la revendication 2, caractérisée en ce que les barres de commande (16, 17) se croisent l'une l'autre à la manière d'axe de ciseaux, dans laquelle la position du corps centreur (23) est déterminée par l'intersection des deux barres de commande (16, 17).
  4. Presse radiale selon la revendication 3, caractérisée en ce que chaque barre de commande (16, 17) peut être pivotée avec un des deux étriers (2) autour d'un axe de pivotement parallèle à l'axe de presse (X) et est couplée avec l'autre étrier (3) par l'intermédiaire d'un guidage linéaire (20).
  5. Presse radiale selon la revendication 4, caractérisée en ce que les deux barres de commande (16, 17) présentent au niveau de leur intersection des guidages linéaires (26), dans laquelle le corps centreur (23) est relié avec un corps de guidage (27) guidé sur les deux guidages linéaires (26).
  6. Presse radiale selon la revendication 5, caractérisée en ce que le corps de guidage (27) comprend deux axes de ciseaux reliés l'un à l'autre par une articulation, qui sont guidés au moyen de coulisseaux respectivement dans un guidage linéaire coordonné.
  7. Presse radiale selon la revendication 4, caractérisée en ce que le corps de guidage (27) comprend deux moitiés pouvant être tournées l'une par rapport à l'autre autour d'un axe congruent à l'axe de presse (X), dans laquelle dans respectivement sur chacune des deux moitiés une des barres de commande (16, 17) est renfermée de manière à être guidée par coulissement longitudinal.
  8. Presse radiale selon la revendication 3, caractérisée en ce que les barres de commande (16, 17) sont reliées l'une sous l'autre de manière pivotante autour d'un axe identique à l'axe de presse (X), dans laquelle chaque barre de commande est couplée avec les deux étriers (2, 3) par l'intermédiaire d'un guidage linéaire respectif (20).
  9. Presse radiale selon la revendication 2, caractérisée en ce que les deux barres de commande (16, 17) comprennent respectivement une crémaillère reliée de manière rigide avec l'étrier de presse coordonné (2, 3), dans laquelle entre les dentures (31) tournées l'une vers l'autre, décalées l'une par rapport à l'autre transversalement à l'axe de presse et à l'axe d'entraînement des deux crémaillères une roue dentée (32) est renfermée de manière à s'engrèner avec celle-ci, dont la position détermine la position du corps centreur (23).
  10. Presse radiale selon la revendication 2, caractérisée en ce que une barre de commande (34) est reliée de manière rigide avec un des deux étriers (2, 3) et présente un guidage linéaire (35) s'étendant parallèlement à l'axe d'entraînement (A), tandis qu'une deuxième barre de commande (16) est couplée de manière mobile avec les deux étriers (2, 3).
  11. Presse radiale selon la revendication 1, caractérisée en ce que elle est configurée comme une presse à plaque de pression, en ce que les deux parties de presse (4, 5) sont formées par deux plaques de pression (29, 30) déplaçables l'une par rapport à l'autre parallèlement à l'axe de presse (X) au moyen de l'unité d'entraînement (6), dans laquelle le dispositif centreur (14) est disposé latéralement sur la presse radiale (1) et le corps centreur (23) est maintenu par le système composé des barres de commande (16, 17) couplées aux deux plaques de pression (29, 30) indépendamment de la position des plaques de pression l'une par rapport à l'autre constamment au centre entre celles-ci, respectivement dans une relation géométrique fixe par rapport à la position centrale.
  12. Presse radiale selon la revendication 11, caractérisée en ce que avec que le corps centreur (23) est relié une butée de profondeur pour les pièces à usiner pressées, qui est disposée de préférence sur l'axe de presse (X).
EP15738610.3A 2014-08-27 2015-07-13 Presse radiale Active EP3186023B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014012485.1A DE102014012485B3 (de) 2014-08-27 2014-08-27 Radialpresse
PCT/EP2015/065941 WO2016030072A1 (fr) 2014-08-27 2015-07-13 Presse radiale

Publications (2)

Publication Number Publication Date
EP3186023A1 EP3186023A1 (fr) 2017-07-05
EP3186023B1 true EP3186023B1 (fr) 2018-09-12

Family

ID=53673068

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15738610.3A Active EP3186023B1 (fr) 2014-08-27 2015-07-13 Presse radiale

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Country Link
EP (1) EP3186023B1 (fr)
DE (1) DE102014012485B3 (fr)
WO (1) WO2016030072A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018115750B3 (de) 2018-06-29 2019-07-11 Uniflex-Hydraulik Gmbh Radialpresse sowie Verfahren zum Fügen zweier Bauteile mittels Radialpressung
DE102018115744A1 (de) 2018-06-29 2020-01-02 Uniflex-Hydraulik Gmbh Radialpresse sowie Verfahren zum Fügen zweier Bauteile mittels Radialpressung
WO2020201029A1 (fr) 2019-03-29 2020-10-08 Uniflex-Hydraulik Gmbh Procédé de fabrication d'une pluralité de structures composites
DE102020125890B3 (de) 2020-10-02 2022-03-10 Uniflex - Hydraulik GmbH Radialpresse
EP4144456A1 (fr) 2021-09-02 2023-03-08 Uniflex-Hydraulik GmbH Procédé de fabrication d'une conduite hydraulique à haute pression
DE202022102074U1 (de) 2022-04-19 2022-04-27 Uniflex - Hydraulik GmbH Radialpresse
DE102022109427B4 (de) 2022-04-19 2024-04-25 Uniflex - Hydraulik GmbH Radialpresse
DE102023109974B3 (de) 2023-04-20 2024-06-20 Uniflex - Hydraulik GmbH Radialpresse

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Publication number Priority date Publication date Assignee Title
DE2844475C2 (de) * 1978-10-12 1983-09-29 Peter Ing.(grad.) 6380 Bad Homburg Schröck Radialpresse für Werkstücke mit zylindrischer Außenfläche
DE3331721C2 (de) * 1983-09-02 1986-06-05 Peter 6000 Frankfurt Schröck Radialpresse für Werkstücke mit zylindrischer Außenfläche
DE3611253A1 (de) * 1986-04-04 1987-10-08 Peter Dipl Ing Schroeck Radialpresse
DE4135465A1 (de) * 1991-10-28 1993-04-29 Schroeck Peter Dipl Ing Fh Radialpresse mit zwei radial gegeneinander beweglichen pressenjochen
DE19817882B4 (de) * 1998-04-22 2005-08-18 Uniflex-Hydraulik Gmbh Radialpresse
DE19912976C2 (de) * 1999-03-23 2001-12-13 Uniflex Hydraulik Gmbh Radialpresse
DE19940744B4 (de) * 1999-08-27 2008-11-06 Uniflex-Hydraulik Gmbh Radialpresse
DE10047025C2 (de) * 2000-09-22 2002-11-21 Uniflex Hydraulik Gmbh Radialpresse
DE10149924A1 (de) * 2001-10-10 2003-04-30 Uniflex Hydraulik Gmbh Radialpresse
ITBS20030034A1 (it) * 2003-04-04 2004-10-05 Op Srl Pinza portautensili perfezionata per presse radiali.
DE102011015705B4 (de) * 2011-03-31 2023-08-24 Uniflex-Hydraulik Gmbh Radialpresse

Non-Patent Citations (1)

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Title
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Also Published As

Publication number Publication date
EP3186023A1 (fr) 2017-07-05
WO2016030072A1 (fr) 2016-03-03
DE102014012485B3 (de) 2015-09-03

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