EP3265302B1 - Presse radiale - Google Patents

Presse radiale Download PDF

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Publication number
EP3265302B1
EP3265302B1 EP16707121.6A EP16707121A EP3265302B1 EP 3265302 B1 EP3265302 B1 EP 3265302B1 EP 16707121 A EP16707121 A EP 16707121A EP 3265302 B1 EP3265302 B1 EP 3265302B1
Authority
EP
European Patent Office
Prior art keywords
pressing
press according
pressing jaw
radial press
jaw heads
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.)
Active
Application number
EP16707121.6A
Other languages
German (de)
English (en)
Other versions
EP3265302A1 (fr
Inventor
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
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.)
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Publication date
Application filed by Uniflex Hydraulik GmbH filed Critical Uniflex Hydraulik GmbH
Publication of EP3265302A1 publication Critical patent/EP3265302A1/fr
Application granted granted Critical
Publication of EP3265302B1 publication Critical patent/EP3265302B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/007—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a plurality of pressing members working in different directions
    • 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
    • B30B7/00—Presses characterised by a particular arrangement of the pressing members
    • B30B7/04—Presses characterised by a particular arrangement of the pressing members wherein pressing is effected in different directions simultaneously or in turn

Definitions

  • the present invention relates to a radial press having a basic structure, a pressing tool accommodated therein and a drive unit, wherein the pressing tool comprises eight base jaws arranged around a press axis, which synchronously radially open and close the pressing tool by means of the drive unit to the press axis These are movable away and on each of which a pressing surface comprehensive press jaw head is interchangeable attachable.
  • Radial presses of the above-mentioned type serve, for example, the production of a solid connection between a hydraulic hose and a terminal arranged at this connection fitting by a Radialverpressen (crimping) of the connection fitting, are known in various designs, in particular from the product range of Uniflex Hydraulik GmbH, Karben (Germany) and from the patent literature (cf., for example WO 2012/130360 A1 . EP 239875 A2 . EP 539787 A1 . EP 1252943 A1 and DE 3512241 A1 ). document DE3513129 A1 discloses a radial press according to the preamble of claim 1.
  • the number (eight) of the base jaws has been found in practice to be optimal and thus enforced; because in radial presses, which have a smaller number (eg six) of base jaws, the compression of the material of the workpiece over the circumference is too uneven to meet high demands on the quality of the workpiece.
  • the distance between adjacent pressing jaw heads in the circumferential direction is so large that, depending on the Properties of the material to be pressed of the workpiece, material can be pressed into the column in question, under which the quality of the finished workpiece suffers even more.
  • the replaceable attachable to the base jaws typically substantially wedge-shaped press jaw heads each have a pressing surface according to a circular cylinder segment (1/8 circular cylinder), so that the pressing surfaces together define a substantially circular cylindrical inner surface with maximum closed pressing tool.
  • the radial press can be converted with different dimensions to produce workpieces with little effort.
  • the different press jaw heads differ in this case by a more or less large radial extent.
  • the present invention has set itself the task of expanding the range of applications of known generic radial presses.
  • it is important to increase the efficiency of radial presses, namely by the ability to use generic radial presses for the reliable production of such pressed workpieces, which are substantially different from the traditionally differ by means of the radial presses concerned.
  • the above object is achieved according to the present invention by at least four press jaw heads are attached to the eight base jaws, which form a limited by six flat forming surfaces cavity in the form of a uniform hexagonal prism with maximum closed pressing tool around the press axis.
  • a first preferred embodiment of the present invention is characterized in that ends on at least two of the six planar forming surfaces dividing surfaces, which each form two adjacent pressing jaw heads with each other.
  • at least two of the six flat forming surfaces are made up of two Press surface portions of adjacent pressing jaw heads together.
  • each second base jaw is equipped with a pressing jaw head and exactly two of the four separating jaws arranged between the four pressing jaw heads, which are preferably at least partially orthogonal to each other, to two Ending diametrically opposite planar forming surfaces.
  • the two other parting surfaces preferably end at two diametrically opposite edges between adjacent planar forming surfaces.
  • each of the four pressing surfaces (each associated with one pressing jaw head) has two planar pressing surface sections colliding at one edge.
  • the pressing surface of each pressing jaw head defines a complete flat forming surface as well as a part of an adjacent flat forming surface. This is very favorable for the demolding of the workpiece after the hexagonal pressing, compared with an approach in which for a hexagonal pressing two half shells (each having three forming surfaces) are used.
  • exactly eight pressing jaw heads are provided, so that each base jaw is equipped with a pressing jaw head, wherein the separating faces at least partially enclose each other with a 45 ° angle.
  • four of the eight separating surfaces preferably terminate at four, one at a time in pairs diametrically opposed planar forming surfaces, whereas the other four separating surfaces terminate at four pairs diametrically opposite edges between adjacent planar forming surfaces.
  • two opposing pressing surfaces form complete forming surfaces.
  • Two mutually orthogonally arranged opposing pressing surfaces each comprise two at a 120 ° angle to each other arranged pressing surface sections, which form subregions of adjacent forming surfaces.
  • the pressing surfaces of the remaining four pressing jaw heads form part areas each of a flat forming surface.
  • Another preferred development of the present invention is characterized in that exactly six pressing jaw heads are provided, wherein the six separating surfaces, which each form two adjacent pressing jaw heads with one another, terminate in the edge regions of the cavity.
  • Each press jaw head accordingly has a pressing surface which defines exactly one complete forming surface.
  • these two base jaws which are not equipped with a press jaw head, diametrically opposite each other.
  • two yokes which in a direction perpendicular to the press axis drive direction relative
  • the two base jaws which are not equipped with press-jaw heads, are particularly preferably opposite each other in a plane perpendicular to the drive direction. It is advantageous if supported at maximum closed pressing tool on the two base jaws, which are not equipped with pressing jaw heads, two press jaw heads.
  • yet another preferred development of the present invention is characterized in that mutually corresponding centering means are provided on at least two adjacent pressing jaw heads, which guide the two respective pressing jaw heads - and thus the respective pressing jaws in total.
  • Such centering can in particular Include interlocking pins or bolts and holes.
  • Fig. 1 To Fig. 1 are the eight (each extending over a wedge angle of 45 °) base jaws 1 of the radial press so equipped with a total of four pressing jaw heads 2 that on each second base jaw 1 - by means of the respectively associated, engaging in a receptacle 3 of the respective base jaw 1 locking pin 4 - a press jaw head 2 is mounted.
  • each pressing jaw head 2 there is in each case a separating surface 5. At least radially on the outside, in each case two adjacent separating surfaces 5 enclose an angle of 90 ° with one another.
  • each pressing jaw head 2 (approximately 90 °) extends radially outward over an approximately twice as large angular range as the base jaw 1 to which it is attached.
  • Each press jaw head 2 is thus in front of the base jaw 1, to which it is fixed, on both sides and extends in this way in front of the two adjacent base jaws 1 (each about half thereof).
  • the four press jaw heads 2 circumscribe a cavity 7 in the form of a uniform hexagonal prism around the press axis 6 in the maximum closed pressing tool illustrated in the drawing.
  • the cavity 7 is therefore limited by six equally sized, flat, uniformly around the press axis 6 arranged around forming surfaces 8.
  • two opposing separating surfaces 5 terminate on each of a forming surface 8; these are thus composed in each case of two parts (pressing surface sections) which belong to the two pressing surfaces 9 of different adjacent pressing jaw heads 2.
  • the four other non-conforming surfaces 8 are undivided; because the two other parting surfaces 5 each terminate at an edge 10 between two mutually adjacent forming surfaces 8.
  • exactly six press jaw heads 2 are provided which form two groups in the sense with three pressing jaw heads 2, as the two not equipped with a press jaw head 2 base jaws 1 diametrically opposed to each other. All six parting surfaces 5, which each form two adjacent pressing jaw heads 2 with each other, terminate at the edges 10 of the cavity 7. Each pressing jaw head 2 accordingly has a pressing surface 9 which defines exactly one complete forming surface 8.
  • At maximum closed Pressing tool are four of the press jaw heads 2 with their (radially outer) contact surfaces 11 each to two base jaws 1, the other two press jaw heads 2 even on three base jaws 1.
  • cooperating, mutually corresponding centering means 12 are provided on the respective press-jaw heads 2.
  • These each include a pin 13 which is fixed to a pressing jaw head 2, and a corresponding hole 14 provided in the respective other pressing jaw head 2 of the respective pair.
  • each base jaw 1 is equipped with a press jaw head 2.
  • Radial outside close between each two adjacent pressing jaw heads 2 existing parting surfaces 5 each with each 45 ° angle.
  • Four of the eight separating surfaces 5 terminate at four mutually diametrically opposite planar forming surfaces 8; these are thus composed in each case of two parts (pressing surface sections) which belong to the two pressing surfaces 9 of different adjacent pressing jaw heads 2.
  • the remaining four separating surfaces 5 terminate at four pairs diametrically opposite edges 10 between adjacent planar forming surfaces 8.

Landscapes

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

Claims (14)

  1. Presse radiale avec une structure de base, un outil de pressage reçu dans celle-ci et une unité d'entraînement, dans laquelle l'outil de pressage comporte huit mâchoires de base (1) disposées autour d'un axe de presse (6), lesquelles peuvent être déplacées pour fermer ou ouvrir l'outil de pressage au moyen de l'unité d'entraînement de façon synchrone radialement vers l'axe de presse (6) ou à distance de celui-ci, et sur lesquelles une tête de mâchoire de pressage (2) présentant une surface de pressage (9) peut être fixée respectivement de façon remplaçable, dans laquelle au moins quatre têtes de mâchoire de pressage (2) sont fixées sur les huit mâchoires de base (1),
    caractérisée en ce que ces têtes de mâchoire de pressage (2) forment un espace creux (7) délimité par six surfaces de formage (8) planes sous la forme d'un prisme hexagonal uniforme autour de l'axe de presse (6) lorsque l'outil de pressage est complètement fermé.
  2. Presse radiale selon la revendication 1, caractérisée en ce que des surfaces de séparation (5) se terminent au niveau d'au moins deux des six surfaces de formage (8), lesquelles forment entre elles respectivement deux têtes de mâchoire de pressage (2) adjacentes.
  3. Presse radiale selon la revendication 2, caractérisée en ce qu'il est prévu exactement quatre têtes de mâchoire de pressage (2), chaque deuxième mâchoire de base (1) étant dotée d'une tête de mâchoire de pressage (2) .
  4. Presse radiale selon la revendication 3, caractérisée en ce que les surfaces de séparation (5) sont disposées au moins par endroits orthogonalement les unes aux autres.
  5. Presse radiale selon la revendication 3 ou la revendication 4, caractérisée en ce que des surfaces de séparation (5) se terminent au niveau d'exactement deux des six surfaces de formage (8).
  6. Presse radiale selon la revendication 2, caractérisée en ce qu'il est prévu exactement huit têtes de mâchoire de pressage (2).
  7. Presse radiale selon la revendication 6, caractérisée en ce que les surfaces de séparation (5) incluent au moins par endroits respectivement un angle de 45° entre elles.
  8. Presse radiale selon la revendication 6 ou la revendication 7, caractérisée en ce que des surfaces de séparation (5) se terminent au niveau d'exactement quatre des six surfaces de formage (8).
  9. Presse radiale selon l'une des revendications 6 à 8, caractérisée en ce que lorsque l'outil de pressage est complètement fermé, les têtes de mâchoire de pressage (2) s'appliquent radialement à l'extérieur respectivement sur deux mâchoires de base (1) adjacentes.
  10. Presse radiale selon la revendication 1, caractérisée en ce qu'il est prévu exactement six têtes de mâchoire de pressage (2), dans laquelle des plans de séparation (5) formant entre eux respectivement deux têtes de mâchoire de pressage (2) adjacentes se terminent au niveau des bords (10) de l'espace creux (7).
  11. Presse radiale selon la revendication 10, caractérisée en ce que deux mâchoires de base (1) opposées l'une à l'autre ne sont pas dotées d'une tête de mâchoire de pressage (2).
  12. Presse radiale selon la revendication 11, caractérisée en ce que la structure de base comporte deux culasses déplaçables l'une par rapport à l'autre dans une direction d'entraînement perpendiculaire à l'axe de presse (6), dans laquelle les deux mâchoires de base (1) exemptes de tête de mâchoire de pressage (2) sont disposées l'une en face de l'autre dans un plan perpendiculaire à la direction d'entraînement.
  13. Presse radiale selon la revendication 12, caractérisée en ce que deux têtes de mâchoire de pressage (2) s'appuient respectivement sur les deux mâchoires de base (1) exemptes de tête de mâchoire de pressage (2) lorsque l'outil de pressage est complètement fermé.
  14. Presse radiale selon l'une des revendications 1 à 13, caractérisée en ce que des moyens de centrage (12) correspondant entre eux et coopérant les uns avec les autres sont prévus sur au moins deux têtes de mâchoire de pressage (2) adjacentes.
EP16707121.6A 2015-03-02 2016-03-01 Presse radiale Active EP3265302B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015002556.2A DE102015002556B3 (de) 2015-03-02 2015-03-02 Radialpresse
PCT/EP2016/054294 WO2016139194A1 (fr) 2015-03-02 2016-03-01 Presse radiale

Publications (2)

Publication Number Publication Date
EP3265302A1 EP3265302A1 (fr) 2018-01-10
EP3265302B1 true EP3265302B1 (fr) 2019-08-07

Family

ID=55446802

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16707121.6A Active EP3265302B1 (fr) 2015-03-02 2016-03-01 Presse radiale

Country Status (3)

Country Link
EP (1) EP3265302B1 (fr)
DE (1) DE102015002556B3 (fr)
WO (1) WO2016139194A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017108399B4 (de) * 2017-04-20 2019-05-16 Uniflex-Hydraulik Gmbh Radialpresse
CN110576630B (zh) * 2018-06-07 2022-04-12 宁波杉越新材料有限公司 材料压缩装置
CN110576096A (zh) * 2019-07-29 2019-12-17 中国科学院金属研究所 一种双臂对置助力多角同步压制装置及方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3201828A (en) * 1961-12-27 1965-08-24 Asea Ab High pressure apparatus
SE329383B (fr) * 1968-03-04 1970-10-12 Radiator Ets
DE3512241A1 (de) * 1985-04-03 1986-10-16 Peter Dipl Ing Schroeck Radialpresse
DE3513129A1 (de) * 1985-04-12 1986-10-23 Peter Dipl.-Ing. 6000 Frankfurt Schröck Radialpresse mit mehreren sternfoermig angeordneten druckmittelantrieben
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
ITBS20010040U1 (it) * 2001-04-23 2002-10-23 Op Srl Pressa radiale per la raccordatura di tubi flessibili oleodinamici
DE202006019754U1 (de) * 2006-12-30 2007-05-10 Gundel Brabetz Yachting Gmbh Pressbackenpaar für ein mechanisches oder hydraulisches Pressgerät
SE531974C2 (sv) * 2008-01-10 2009-09-22 Hydroscand Machine Ab Pressmaskin för att forma en perifer yta hos ett ämne
DE102011015654A1 (de) * 2011-03-31 2012-10-04 Uniflex-Hydraulik Gmbh Radialpresse
DE102012025134A1 (de) * 2012-12-21 2014-06-26 Uniflex-Hydraulik Gmbh Umformpresse

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE102015002556B3 (de) 2016-05-12
EP3265302A1 (fr) 2018-01-10
WO2016139194A1 (fr) 2016-09-09

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