WO2012130364A1 - Presse radiale - Google Patents
Presse radiale Download PDFInfo
- Publication number
- WO2012130364A1 WO2012130364A1 PCT/EP2012/000850 EP2012000850W WO2012130364A1 WO 2012130364 A1 WO2012130364 A1 WO 2012130364A1 EP 2012000850 W EP2012000850 W EP 2012000850W WO 2012130364 A1 WO2012130364 A1 WO 2012130364A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- press
- drive unit
- radial
- geometry
- reference plane
- Prior art date
Links
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
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/04—Frames; Guides
- B30B15/044—Means preventing deflection of the frame, especially for C-frames
Definitions
- the present invention relates to a yoke press-type radial press comprising a press tool having a plurality of press jaws arranged around a press axis and two structural members each comprising a press yoke, the press yokes being relatively displaceable in a direction of movement which is in a plane perpendicular to the press axis are movable and form between them a receiving space in which the pressing tool is received, wherein further to the movement of the two
- a reference plane defining tie rods comprehensive drive unit is provided with a direction parallel to the direction of action and press jaws sliding on such a sliding support on the press yokes, that the relative movement of the press yokes in the direction of movement in a Radial movement of the pressing jaws is implemented in the direction of the press axis.
- Jochpressenbauweise executed radial presses have basically proven in practice. They are considered to be robust and powerful, which they especially for makes such applications particularly suitable, in which particularly high forming forces are required.
- the present invention has made it its mission to further improve radial presses of the generic construction in the sense that the work result meets even higher quality requirements than before.
- a compensation device with a further, at least one drive element comprehensive drive unit and an associated control unit is provided in a generic radial press in Jochpressenbauweise, wherein the drive element of the further drive unit acts between the two structural elements and offset at least one of the structural elements to the
- the control unit acts on the further drive unit in such a way that the force provided by the drive element between the two structural elements counteracts a change in the press geometry which occurs during pressing as a result of an action taking place outside the reference plane of a workpiece the pressing jaws adjusts the applied reaction force to the pressing jaws.
- a change in the press geometry is counteracted, which in known
- the press geometry is avoided in application of the present invention in that the radial press according to the invention comprises a further drive unit and an associated control unit compensation device, wherein (also) the drive element of the further drive unit between the two structural elements acts, namely in the sense of generating a compensating moment directed counter to the induced bending moment described above.
- the control unit the further drive unit is controlled in such a way that the force provided by it and acting between the two structural elements counteracts the bending moment explained above and thus the change in the press geometry.
- a separate, further drive unit which actively counteracts by means of at least one drive element a change in the press geometry due to a relative to the reference plane staggered arrangement of the workpiece during pressing, it is even possible, various structural elements of the radial press, according to the prior Technique to absorb the induced bending moments and thus must be correspondingly strong dimensions to keep a disadvantageous deformation of the radial press (change in press geometry) within tolerable limits, dimensioned smaller than in the prior art.
- radial presses according to the invention although they, as stated, can produce very high quality workpieces, be made easier than is possible in the prior art.
- Direction of action of the further drive element be oriented so that the force generated by this, acting between the two structural elements force has a parallel to the press axis directed force component, wherein in the extreme case, the effective direction of the further drive element may even be directed substantially parallel to the press axis.
- Such orientation of the direction of action of the further drive element which provides a force component parallel to the press axis, promotes the typical radial geometries of the radial presses designed in a yoke press design
- the force generated by the further drive element, acting between the two structural elements be parallel to the press axis directed force component has; Rather, the effective direction of the further drive element can also be oriented parallel to the reference plane in the individual case. Also, such a construction has advantages, namely by the depth of the radial press (in the axial direction) are kept low and the control unit can be made relatively simple.
- the further drive unit comprises two drive elements which are effective on different sides of the reference plane. Because in this case, depending on the offset of the workpiece relative to the reference plane in one or the other direction for the purpose of compensating the induced bending moment and avoiding the change in the press geometry that of the drive elements of the further drive unit are activated, such a compensation force while simultaneously providing or providing the closing force provided by the (first) drive unit.
- control unit comprises a position sensor, which the
- the position sensor generates a position signal which is made available to the control unit in order to obtain from it the necessary for an effective compensation of the induced by the displacement of the workpiece internal bending moment by the determine additional drive unit provided compensation force.
- the further drive unit has at least one hydraulic drive element and the control unit comprises a hydraulic self-regulation.
- a hydraulic self-regulation in this sense is when a closed hydraulic control loop exists such that the loading of the at least one hydraulic drive element of the further drive unit via valves whose hydraulic characteristics (flow behavior) directly depends on a change in the press geometry.
- Closing the press - due to an offset to the reference plane arrangement of the workpiece in the press - incipient change in the press geometry acts directly on the hydraulic valves of the hydraulic self-regulation such that the other
- control unit a geometry sensor, which detects the deviation of the press geometry from a desired geometry, wherein the corresponding signal in a control of the other
- one reference structure can be fixedly connected to one of the two structural elements, relative to which the deviation of the other structural element from the desired geometry is determined by means of a measuring arrangement. Provision may be made here for a contacting measuring arrangement, for example a stylus, as well as a non-contact measuring arrangement, for example a magnetic proximity sensor.
- the geometry sensor may comprise, for example, a non-contact measuring arrangement having a laser and an optical sensor acted on by it.
- the optical sensor can be designed in particular as a CCD chip, wherein the deviation of the point of impact of the laser beam determined in this chip from a reference point is used as a measure of the deformation, ie the change in the press geometry.
- the further drive unit is controlled by the control unit, in this case acted upon so that the actual Auftref fyak the laser beam on the CCD chip coincides with the reference point.
- the additional drive unit does not necessarily have to act directly between the two structural elements.
- tie rods are provided which serve not only the initiation of the closing force in the press yoke firmly connected to them, but also the leadership of the relevant (typically upper) press yoke relative to other (typically lower) press yoke.
- the further drive unit may be arranged so that it (indirectly) between the first and the second structural element acts, namely by attacking on the one hand on the first press yoke comprising the first structural element and on the other hand on the second press yoke leading guide structure.
- the illustrated in the drawing, executed in Jochpressenbauweise radial press comprises as essential structural components two structural elements, namely a first structural element 1 and a second structural element 2.
- the first, a first, lower press yoke 3 comprehensive structural element 1 forms a fixed base.
- the second structural element 2 comprises a second, upper press yoke 4.
- the upper press yoke 4 is movable relative to the lower press yoke 3 in a direction of movement A which extends in a plane perpendicular to the press axis 5.
- two tie rods 6 are fixedly connected to the upper press yoke 4, which extend parallel to one another in the direction of movement A and are slidably guided in the lower press yoke 3.
- the two tie rods 6 are part of a drive unit. They are connected in the region of their lower ends to a drive element which is accommodated in the lower structural element 1 forming the base and by means of which the upper press yoke 4-via the tie rods 6-can be moved up and down.
- the two press yokes 3 and 4 form between them and between the two tie rods 6 a receiving space 7, which is intended to receive a - not shown - pressing tool, which comprises a plurality of concentrically arranged around the press axis 5 around pressing jaws, of which at least two
- the illustrated radial press also has a compensation device 9, which is a change in the press geometry, in particular when a workpiece to be pressed in the radial press not in the plane spanned by the axes 10 of the two tie rods 6 reference plane (or not symmetrical to the reference plane), but rather, axially offset from this reference plane, counteracts.
- a compensation device 9 is a change in the press geometry, in particular when a workpiece to be pressed in the radial press not in the plane spanned by the axes 10 of the two tie rods 6 reference plane (or not symmetrical to the reference plane), but rather, axially offset from this reference plane, counteracts.
- the compensation device 9 includes, inter alia, another Drive unit 11 with two further drive elements 12 each in the form of a hydraulic cylinder-piston unit 13.
- Each of the two hydraulic cylinder-piston units 13 acts between the first structural element 1 and the second structural element 2.
- the two further drive elements 12 are specifically oriented by the inclination of the cylinder-piston units 13 includes their respective axis (direction of action) with the reference plane at an angle.
- Press yoke 4 can be generated by applying the cylinder-piston units 13 to the upper press yoke 4 a compensation torque about a lying in the reference plane horizontal axis.
- a compensation torque about a lying in the reference plane horizontal axis.
- the cylinder-piston units 13 provide a force acting between the two structural elements with a force component directed parallel to the press axis, which can additionally be used to generate a compensating moment.
- the loading of the cylinder-piston units 13 is controlled by a control unit assigned to the further drive unit 9 and accommodated in the base in the sense of generating or providing the compensation torque required for the torque compensation described, so that as a result the further drive elements 12, controlled by the control unit, acting with such a force on the first and the second structural element 1 and 2, that the thus generated compensating moment counteracts a moment that occurs during pressing due to a taking place outside the reference plane acting on the pressing of a workpiece on the dies Reaction force on the pressing jaws adjusts.
- the control unit comprises a geometry sensor 18, which detects the deviation of the press geometry from a desired geometry via an optical measurement.
- the geometry sensor 18 includes a non-contact
- Measuring arrangement in the form of a fixedly connected to the upper press yoke 4 laser 19 and acted upon by this, the fixed position with the lower press yoke 3 connected to the optical sensor 20.
- the latter comprises a CCD chip and generates a for a possible deformation of the radial press, i. a deviation of the press geometry from the desired geometry representative signal, which is processed in one of the further drive unit 11 associated control in the sense of the above-mentioned loading of the cylinder-piston units 13.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Presses (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
L'invention porte sur une presse radiale du type à arceau, laquelle comprend un outil de presse comprenant des mâchoires de presse et deux éléments de structure (1, 2) qui comprennent un arceau de presse (3, 4). Les arceaux de presse peuvent être déplacés l'un par rapport à l'autre au moyen d'une unité d'entraînement comprenant deux ancres de traction (6) et ils forment entre eux un espace de réception (7) dans lequel l'outil de presse est logé. Ladite presse radiale comporte également un dispositif de compensation (9) comprenant une unité d'entraînement additionnelle (11) qui agit entre les deux éléments de structure (1, 2) et qui attaque au moins l'un des éléments de structure de façon déportée par rapport au plan de référence défini par les deux ancres de traction, et une unité de réglage correspondante. La force qui est développée par l'élément d'entraînement de l'unité d'entraînement additionnelle et qui agit entre les deux éléments de structure contrecarre une variation de la géométrie de la presse qui s'établit lors du travail de la presse par suite d'une disposition de la pièce déportée par rapport au plan de référence.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12707479.7A EP2694230B1 (fr) | 2011-04-01 | 2012-02-28 | Presse radiale |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110015770 DE102011015770A1 (de) | 2011-04-01 | 2011-04-01 | Radialpresse |
DE102011015770.0 | 2011-04-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012130364A1 true WO2012130364A1 (fr) | 2012-10-04 |
Family
ID=45808739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2012/000850 WO2012130364A1 (fr) | 2011-04-01 | 2012-02-28 | Presse radiale |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2694230B1 (fr) |
DE (1) | DE102011015770A1 (fr) |
WO (1) | WO2012130364A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114801302A (zh) * | 2022-05-25 | 2022-07-29 | 华中科技大学 | 一种内置变形补偿模块的智能压力机 |
Families Citing this family (7)
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 |
BR112021017887A2 (pt) | 2019-03-29 | 2021-12-07 | Uniflex Hydraulik Gmbh | Processo para produção de uma pluralidade de estruturas compostas |
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 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2431585A1 (de) * | 1974-07-01 | 1976-01-22 | 4 P Verpackungen Gmbh | Ausgleichsvorrichtung fuer laengenaenderungen bei arbeitsmaschinen mit zuganker |
DE4135465A1 (de) | 1991-10-28 | 1993-04-29 | Schroeck Peter Dipl Ing Fh | Radialpresse mit zwei radial gegeneinander beweglichen pressenjochen |
US20070028660A1 (en) * | 2005-08-04 | 2007-02-08 | Custom Machining Services, Inc. | System and process for crimping a fitting to a fluid conduit |
WO2010012014A2 (fr) * | 2008-07-30 | 2010-02-04 | Franz Ehrenleitner | Presse de formage de matériau |
-
2011
- 2011-04-01 DE DE201110015770 patent/DE102011015770A1/de not_active Withdrawn
-
2012
- 2012-02-28 EP EP12707479.7A patent/EP2694230B1/fr active Active
- 2012-02-28 WO PCT/EP2012/000850 patent/WO2012130364A1/fr active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2431585A1 (de) * | 1974-07-01 | 1976-01-22 | 4 P Verpackungen Gmbh | Ausgleichsvorrichtung fuer laengenaenderungen bei arbeitsmaschinen mit zuganker |
DE4135465A1 (de) | 1991-10-28 | 1993-04-29 | Schroeck Peter Dipl Ing Fh | Radialpresse mit zwei radial gegeneinander beweglichen pressenjochen |
US20070028660A1 (en) * | 2005-08-04 | 2007-02-08 | Custom Machining Services, Inc. | System and process for crimping a fitting to a fluid conduit |
WO2010012014A2 (fr) * | 2008-07-30 | 2010-02-04 | Franz Ehrenleitner | Presse de formage de matériau |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114801302A (zh) * | 2022-05-25 | 2022-07-29 | 华中科技大学 | 一种内置变形补偿模块的智能压力机 |
Also Published As
Publication number | Publication date |
---|---|
EP2694230B1 (fr) | 2015-01-21 |
EP2694230A1 (fr) | 2014-02-12 |
DE102011015770A1 (de) | 2012-10-04 |
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