EP2386385B1 - Outil de pression destiné à la déformation de corps annulaires à rotation symétrique - Google Patents
Outil de pression destiné à la déformation de corps annulaires à rotation symétrique Download PDFInfo
- Publication number
- EP2386385B1 EP2386385B1 EP11161589.4A EP11161589A EP2386385B1 EP 2386385 B1 EP2386385 B1 EP 2386385B1 EP 11161589 A EP11161589 A EP 11161589A EP 2386385 B1 EP2386385 B1 EP 2386385B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressing
- tool
- jaws
- radially
- guiding devices
- 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
Links
Images
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
- B21D39/048—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
Definitions
- the invention relates to a tool for deforming rotationally symmetrical annular body, which has a plurality of pressing jaws, which are arranged radially to a pressing axis, wherein the pressing jaws are designed to be radially displaceable to the pressing axis and at least one pressing jaw having axial guide devices.
- Such tools are known per se and, for example, when pressing hose fittings in use. So show the US 3,736,788 or the DE 198 14 474 C1 or the DE 101 44 272 A1 corresponding tool designs. More tools are out EP0504490A1 and EP1293273A2 known.
- the pressing surfaces of the pressing jaws meet with a radially inwardly directed movement of the pressing jaws, for example, on a clamping ring whose central axis coincides with the pressing axis of the tool or at least parallel to the pressing axis and which is radially reduced by the further movement of the clamping jaws.
- the forces occurring in the ring lead to an axial and tangential compression of the ring material. This is still a relatively manageable process with purely cylindrical rings and correspondingly formed pressing surfaces.
- the pressing surfaces are designed such that in the deformation of the originally cylindrical rings, a central constriction of the rings is effected, ie, the pressing surfaces not only in the circumferential direction but also in the direction of the press axis convexly curved surfaces, the pressing surfaces do not meet flat on the Surface of the clamping rings on. Due to the convex curvature, the pressing surfaces initially strike the clamping ring approximately centrally in the axial direction. Now, the clamping ring is initially radially inwardly deformed centrally, but the axial edges of the outer surface of the Clamping ring still have no tool contact. Only with increasing radially inwardly directed movement of the pressing jaws also contact the edges of the clamping ring outer surface with the pressing surfaces.
- the invention has for its object to provide a tool of the type described above, which allows a secure compression of annular bodies even with non-cylindrical deformation.
- This object is achieved in that the guide devices are arranged in the axial direction of the tool both at the rear and at the front end to the pressing axis perpendicularly arranged side surfaces of the pressing jaws and guide pieces, in the radial direction at least by the amount of thickness to be deformed Ring material projecting in front of the radially inwardly projecting point of the respective pressing jaw and wherein pressing jaws, the guide devices and press jaws, which have no guide devices are distributed on the circumference of the tool so that a uniform distribution of the pressing jaws results with guide devices the guide pieces are mounted radially resiliently, so that the projecting parts of the guide pieces are displaceable radially outwards in contact with other parts to be clamped by the clamping rings relative to the pressing pieces.
- This arrangement has the advantage that the annular body are axially guided at least in places during the entire forming process. An axial "slipping" is no longer possible.
- the spring-mounted guide pieces can be moved radially outwards, so that, for example, elastomeric tubes are not damaged by the guide pieces.
- the leadership of the rings is also maintained at least until the forming process is sufficiently advanced.
- At least three pressing jaws have axial guiding devices.
- This arrangement has the advantage that the annular body distributed even better axially distributed throughout the forming process on the circumference.
- At least every second pressing jaw has axial guide devices in the circumferential direction of the tool.
- the embodiment has proven particularly effective with every second pressing jaw with axial guide devices.
- FIG. 1 an inventive pressing tool 1 is shown with a press axis 2 in a schematic diagram.
- the pressing tool 1 has pressing jaws 3 and 4.
- the pressing jaws 3 and 4 are clamped with clamping elements 5 on a tool body 6.
- the pressing jaws 3 and 4 are arranged displaceable radially to the pressing axis 2 and are in the FIG. 1 shown in the most inward-reaching position.
- the pressing jaws 3 and 4 each have a pressing surface 7, which extend in the circumferential direction of the tool 1 and in the axial direction and can be pressed against a clamping ring, not shown here.
- the pressing jaws 4 furthermore have a guide device 9 on their first side surface 8 in the axial direction.
- a guide device is also arranged, which, however, is not visible in this illustration.
- FIG. 2 a press jaw according to the invention is shown in more detail.
- the arranged on the first side surface 8 effetsvorrides 9 has a guide cover 10 which is fixedly screwed to a base body 11 of the pressing jaw 4 with screws 12.
- a guide piece 14 is arranged, which is mounted in the vertical direction to the pressing surface 7 and parallel to the side surface 8 slidably in the guide cover 10.
- the guide pieces 14 protrude beyond the pressing surface 7 in such a way that they project beyond the clamping ring 17 beyond its thickness 18. In this way, the clamping ring 17 is secured in the axial direction between the guide pieces 14 against slipping.
- a workpiece, against which the clamping ring 17 is braced, is not shown here for clarity.
- FIG. 3 is a guide cover 10 from its in the installed state of the side surface of the pressing jaw 4 facing side shown.
- the guide piece 14 is displaceable with a coil spring 19 out of the guide cover 10 and prevented by a not visible here lock from falling out.
- the guide piece 14 is guided in a guide groove 20 which is milled into the interior of the guide cover 10.
- the spring 19 is also secured against buckling by a milled guide groove 21.
- the guide cover 10 is screwed through holes 22 with the base body of the pressing jaws, not shown here so that the visible side of the guide cover 10 here comes to rest against the side surface of the main body of the pressing jaw. In this way, the guide piece 14 and the spring 19 are also secured axially against falling out.
- the coil spring 19 allows the guide piece 14 is radially hineinind Wegbbar both in the guide cover 10 and that the guide piece 14 can be pushed out of the guide cover 10 after completion of the pressing process and when returning the pressing jaws back.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Claims (3)
- Outil (1) de formage d'un corps annulaire (17) à symétrie de révolution qui comporte une pluralité de mâchoires de pression (3, 4) qui sont disposées radialement par rapport à un axe de pressage (2), les mâchoires de pressage (3, 4) étant conçues de manière à pouvoir se déplacer radialement à l'axe de pression (2) et au moins une mâchoire de pressage (4) comportant des dispositifs de guidage axial (9), caractérisé en ce que les dispositifs de guidage (9) sont disposés sur sur des surfaces latérales (8), disposées perpendiculairement à l'axe de pressage (2), des mâchoires de pression (4) à l'extrémité arrière et à l'extrémité avant par référence à la direction axiale de l'outil (1) et comportent des pièces de guidage (14)- qui font saillie dans la direction radiale au moins sur l'épaisseur (18) de la matière annulaire (17) à mettre en forme en avant du point de la mâchoire de pressage respective (4) qui fait saillie radialement le plus vers l'intérieur et- les mâchoires de pressage (4), qui comportent des dispositifs de guidage (9), et les mâchoires de pressage (3), qui ne comportent pas de dispositifs de guidage (9), étant réparties sur la périphérie de l'outil (1) de manière à obtenir une répartition uniforme des mâchoires de pressage (4) équipées de dispositifs de guidage (9),- les pièces de guidage (14) étant montées de manière radialement élastique de sorte que les parties saillantes des pièces de guidage (14) puissent coulisser radialement vers l'extérieur par rapport aux pièces de pressage (4) lors du contact avec les autres parties à serrer avec les bagues de serrage (17).
- Outil (1) selon la revendication 1,
caractérisé en ce qu'au moins trois mâchoires de pressage (4) comportent des dispositifs de guidage axial. - Outil (1) selon la revendication 1 ou 2,
caractérisé en ce que, dans la direction circonférentielle de l'outil (1), au moins chaque deuxième mâchoire de pressage (4) comporte des dispositifs de guidage (9).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201010016891 DE102010016891A1 (de) | 2010-05-11 | 2010-05-11 | Presswerkzeug zur Verformung rotationssymmetrischer ringförmiger Körper |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2386385A2 EP2386385A2 (fr) | 2011-11-16 |
EP2386385A3 EP2386385A3 (fr) | 2016-03-30 |
EP2386385B1 true EP2386385B1 (fr) | 2018-12-26 |
Family
ID=44069934
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11161589.4A Not-in-force EP2386385B1 (fr) | 2010-05-11 | 2011-04-08 | Outil de pression destiné à la déformation de corps annulaires à rotation symétrique |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2386385B1 (fr) |
DE (1) | DE102010016891A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017211358A1 (de) * | 2017-07-04 | 2019-01-10 | Volkswagen Aktiengesellschaft | Umformverfahren, sowie ein entsprechendes Formwerkzeug und Sollkontur |
CN114473585A (zh) * | 2022-01-17 | 2022-05-13 | 成都大金航太科技股份有限公司 | 一种薄壁环型件的固定装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1370615A (en) | 1970-12-03 | 1974-10-16 | Btr Industries Ltd | Crimping or swaging apparatus |
FR2366907A1 (fr) * | 1976-10-05 | 1978-05-05 | Tocco Stel | Presse a braser par induction des pieces metalliques comportant des portions peripheriques incurvees ou relevees |
US4244091A (en) * | 1979-09-21 | 1981-01-13 | The Gates Rubber Company | Hose crimping apparatus |
CA1207990A (fr) * | 1981-12-21 | 1986-07-22 | Parker Hannifin Corporation | Positionneur de piece a sertir |
DE9103264U1 (de) * | 1991-03-18 | 1991-06-20 | Hewing GmbH, 4434 Ochtrup | Preßzange für das Verpressen von Rohrverbindungen |
DE4130008A1 (de) * | 1991-09-10 | 1993-03-11 | Hewing Gmbh | Presswerkzeug zum aufpressen eines zylindrischen pressteils oder eines einen zylindrischen abschnitt aufweisenden pressteils auf ein rundprofil, insbesondere eine rohrleitung |
DE19814474C1 (de) | 1998-04-01 | 1999-07-08 | Peter Dipl Ing Schroeck | Radialpreßwerkzeug für die Verformung rotationssymmetrischer Werkstücke |
EP1086775A1 (fr) * | 1999-09-23 | 2001-03-28 | Gräbener Pressensysteme GmbH & Co. KG | Méthode et appareil pour la fabrication d'un récipient de cuisson ayant un fond en colaminé |
DE10144100C1 (de) * | 2001-09-04 | 2003-02-13 | Mapress Gmbh & Co Kg | Verfahren und Vorrichtung zur Herstellung einer Rohrpressverbindung |
DE10144272A1 (de) | 2001-09-08 | 2003-04-10 | Knauber Hydraulik Gmbh | Radialpresse für das Verpressen rotationssymmetrischer Hohlkörper |
-
2010
- 2010-05-11 DE DE201010016891 patent/DE102010016891A1/de not_active Withdrawn
-
2011
- 2011-04-08 EP EP11161589.4A patent/EP2386385B1/fr not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
DE102010016891A1 (de) | 2011-11-17 |
EP2386385A2 (fr) | 2011-11-16 |
EP2386385A3 (fr) | 2016-03-30 |
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