EP2452760B1 - Machine à profiler et supports d'accouplement pour une telle machine - Google Patents

Machine à profiler et supports d'accouplement pour une telle machine Download PDF

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Publication number
EP2452760B1
EP2452760B1 EP20100014654 EP10014654A EP2452760B1 EP 2452760 B1 EP2452760 B1 EP 2452760B1 EP 20100014654 EP20100014654 EP 20100014654 EP 10014654 A EP10014654 A EP 10014654A EP 2452760 B1 EP2452760 B1 EP 2452760B1
Authority
EP
European Patent Office
Prior art keywords
coupling
profiling machine
counterparts
stands
working
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
EP20100014654
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German (de)
English (en)
Other versions
EP2452760A1 (fr
Inventor
Wolfgang Ganter
Mike Dietsche
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.)
Dreistern GmbH and Co KG
Original Assignee
Dreistern GmbH and Co KG
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 Dreistern GmbH and Co KG filed Critical Dreistern GmbH and Co KG
Priority to ES10014654T priority Critical patent/ES2403077T3/es
Priority to EP20100014654 priority patent/EP2452760B1/fr
Priority to DK10014654T priority patent/DK2452760T3/da
Publication of EP2452760A1 publication Critical patent/EP2452760A1/fr
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Publication of EP2452760B1 publication Critical patent/EP2452760B1/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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
    • B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers

Definitions

  • the invention relates to a coupling stand for a profiling machine for longitudinally forming a metal strip or initial profile in a profile or tube by means of a plurality of Rollumformtechnikmaschineen according to the preamble of claim 1, and a profiling machine with such coupling stands and a corresponding method.
  • At least part of the roll forming tools of a profiling machine of the present type is combined to form a plurality of tool groups arranged one behind the other in the working direction, each of which is held in a frame and forms a forming station with it. At least a part of the rolling forming tools arranged in a forming station is seated on work shafts mounted in the frame, which are provided with coupling elements leading out laterally from the stand.
  • clutch stand are arranged, on the one hand have coupling counterparts to the coupling elements of the working shafts and on the other hand connections for a drive system of the profiling to transmit torque from the drive system to the working shafts.
  • the coupling elements of the working shafts are usually made of coupling pins or sleeves, while the coupling stand is equipped with sleeves or pins which engage positively in the coupling pins or sleeves of the working shafts.
  • the torque transmission is usually carried out by means of variable length propeller shafts.
  • Profiling machines are able to produce virtually endless profiles or tubes of various cross-sectional shapes from a metal strip or an output profile.
  • a multiplicity of roll forming tools are used for this purpose, which are grouped together in typically 20 to 30 forming stations arranged in line one behind the other. If a different profile shape is to be produced on one and the same profiling machine, a multiplicity of roll forming tools must accordingly be exchanged.
  • a coupling stand is provided in a profiling machine of the type described above between the forming stations and the drive system, which can engage and disengage the working shafts, so that the roll forming tools together with their working shafts can be exchanged as a unit, without having to move the framework relative to the machine base or with respect to a framework support plate.
  • An exchange of the roll forming tools without subsequent lengthy adjustments, especially in the axis parallel to the working waves direction, is possible by the previous uncoupling of the drive system. This saves time when converting a Profiliermaschine to another profile shape and thus reduces adverse production stoppages.
  • a profiling machine of the present type is in the EP 0 365 976 B1 described.
  • laterally movable clutch stand together move away from the forming rollers to release the working shafts. After replacing them, the coupling stands are again almost to their engaged initial position to the forming stations moved up and determined the possibly changed installation height of the working shafts. Then the coupling counterparts are moved vertically on the coupling uprights to adjust their height to the height of the respective working shaft.
  • the clutch stands are further moved together to the forming stations to bring the coupling elements and the coupling counterparts into engagement, whereby the coupling process is terminated.
  • a gear block of the drive system is moved with the coupling stands, or the changing distance between the coupling stands and the drive system is compensated by variable length drive shafts.
  • the present invention seeks to provide improved coupling stand available to further improve a profiling machine of the type described above with regard to their flexibility, and to propose such an improved profiling machine and a corresponding method.
  • the coupling stands are no longer displaceable only as a whole towards and away from the working shafts, but the coupling counterparts for the working shafts of the stands with their associated drive system connections are seated individually or in groups on separate coupling sections of the coupling stands according to the invention , These coupling sections are independently movable from each other. In this case, alla Kupplungsabsuhnitte can be moved separately be. However, if only two coupling sections are involved, it may be implemented so that one coupling section is movable independently of the remainder of the coupling stand while the other coupling section is moved together with the remainder of the coupling stand; In this case, the clutch stand as a whole, as was the case in the prior art, would be movable.
  • the coupling stand may comprise a stationary support member having two or more coupling sections mounted movably thereon so that ultimately only the coupling sections move to couple or uncouple individual working shafts while the support member the coupling stand is arranged stationary relative to the associated frame and carries guides and the drives for the movable coupling sections.
  • the Ankuppelvorgang took place so far, for example, in the prior art after the EP 0 365 976 B1 as described above by axial nesting of the coupling elements and the coupling counterparts on the working shafts or on the coupling stanchions, so that they then interlock and can transmit a torque.
  • the coupling counterparts are in turn connected to the drive system.
  • the overload protection by the pneumatic drive of the coupling sections not only replaces the previous overload protection by resilient coupling elements and coupling counterparts when coupling, but also provides in the opposite direction, ie when uncoupling, an overload protection.
  • the coupling elements and the coupling counterparts can often not be separated from each other, since they are braced against each other in the direction of rotation.
  • the existing by the pneumatic drive overload protection prevents this, that the coupling stand or the coupling section pulls obliquely, because about the coupling elements and coupling counterparts do not come apart.
  • the pneumatic drive brings only a resilient bias on the clutch stand, so that it moves only when the coupling elements and the coupling counterparts separate from each other, for example by a short reversing of the drive system or by a manually applied vibration.
  • the coupling stand of the profiling machine according to the invention are provided with vertical drive devices for changing the height of the coupling counterparts, these vertical drive devices are preferably also pneumatic actuators.
  • the vertical drive devices can be used to adjust the vertical position of the coupling counterparts in the coupling stand to approximately changed vertical positions of the working shafts, for example when the roll forming tools of the forming station have been replaced.
  • the coupling counterparts and / or the coupling elements are each end provided with insertion aids, in particular with conically shaped end pieces.
  • the coupling elements are designed as coupling sleeves, and the coupling counterparts as coupling sleeves which can be positively inserted into these sleeves, this can be realized in this way; that the coupling pins are provided at the end with a cylindrical end piece whose outer circumference is smaller than the outer circumference of the form-locking elements of the coupling pin, and in that the coupling sleeves are provided at the end with a conically shaped insertion section.
  • the present invention is preferably further developed such that the coupling counterpart and the associated connection for the drive system sitting in a bearing in the coupling portion which is spring-loaded slightly orthogonal to the working shaft axis movable; It can therefore be moved horizontally by a millimeter against a spring force, for example, to bring the coupling element of the respective working shaft with the coupling counterpart of the coupling stand exactly in alignment.
  • the spring-loaded displaceability of the bearing in the coupling sections greatly facilitates the coupling process.
  • FIGS. 1 and 2 show in a schematic cross section and a perspective view of the same part of an inventively designed profiling, namely a forming station 1 with an upper working shaft 2 and a lower working shaft 3, which serve for receiving and storing (not shown here) Rollumformwerkmaschineen.
  • the two working waves 2, 3 are mounted vertically displaceable in a frame 4.
  • the framework 4 is fixedly attached to a (not shown) machine frame.
  • the working shafts 2, 3 can be vertically adjusted in the frame 4 in order to adapt to different Rollumformwerkmaschinemaschinee can.
  • a transmission block 9 of a drive system is arranged on a gear carrier 10, from which a torque is to be transmitted to the working shafts 2, 3. This is done via two propeller shafts 15, which connect the gear block 9 with the working shafts 2, 3 torsionally rigid.
  • a coupling stand 11 is arranged, with the aid of the propeller shafts 15, and thus the transmission block 9 of the drive system, coupled to the working shafts 2, 3 of the forming station 1 or decoupled from them can be without having to move the gear block 9 or the frame 4.
  • the working shafts 2, 3 run out towards the gear block beyond the framework 4 into coupling elements 13, of which in the present illustration only the lower coupling element 13 is visible, and which are designed here as coupling pins.
  • the coupling stand 11 has two coupling sections, an upper coupling section 5 and a lower coupling section 6, each in a bearing housing 14 to the frame 4 towards a (not visible here) coupling counterpart 12, namely a coupling sleeve for the coupling element 13, and on the opposite Side, the transmission block 9 through, in each case one, designed as a telescopically length-adjustable propeller shaft 15 formed connection for the transmission block 9.
  • the torque from the transmission block 9 is thus transmitted via the propeller shafts 15 and the coupling counterparts 12 designed as a coupling sleeve, which are mounted in the bearing housing 14, on the coupling elements 13 designed as a coupling pin and thus on the working shafts 2, 3.
  • the upper working shaft 2 of the present embodiment is coupled to the transmission block 9 and thus to the drive system of the profiling machine, while the lower working shaft 3 is uncoupled.
  • This movement of the two coupling sections 5 and 6 is effected by an upper 16 and a lower pneumatic cylinder 17, the piston rods 18, the respective coupling sections 5, 6 move, and supported on height-adjustable on the support member 7 mounted support plates 19.
  • sliding rails 20, 21 are provided which are slidably held in corresponding receptacles of the support plates 19.
  • the mounted in the bearing housing 14 coupling counterparts 12 can move within the bearing housing 14 by about 1 - 2 mm in an orthogonal to the axes of the working shafts 2, 3, so that a small offset of the working shaft axis to the coupling counterpart 12 horizontally and / or vertically compensated can be and the engagement process is still possible. If the coupling elements 13 and / or the coupling counterparts 12 are provided with corresponding insertion bevels, the evasive movement of the coupling counterpart 12 in the bearing housing 14 can take place automatically.
  • the flexibility of a profiling machine is significantly increased, and the preferred embodiments of the invention simplify and accelerate coupling and uncoupling operations, facilitating and thus supporting the use of increased flexibility.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Automatic Assembly (AREA)

Claims (12)

  1. Colonne d'accouplement dévolue à une machine de profilage dédiée à la mise en forme longitudinale d'un ruban métallique ou d'un profilé de départ, au moyen d'une pluralité d'outils de formage par roulage, pour obtenir un profilé ou un tube,
    caractérisée par le fait
    qu'elle présente au moins deux zones d'accouplement (5, 6) portant, respectivement, au moins une pièce complémentaire d'accouplement (12) et l'élément de liaison (15) associé à ladite pièce et destiné au système d'entraînement (9) de la machine de profilage, au moins une zone d'accouplement (5) étant douée de mobilité distincte en vue d'accoupler audit système d'entraînement (9), ou de désaccoupler d'avec ce dernier, au moins un arbre de travail (2) d'un bâti (4) de ladite machine de profilage, indépendamment des autres arbres de travail (3).
  2. Machine de profilage dédiée à la mise en forme longitudinale d'un ruban métallique ou d'un profilé de départ, au moyen d'une pluralité d'outils de formage par roulage, pour obtenir un profilé ou un tube,
    - sachant qu'au moins une partie desdits outils de formage par roulage est rassemblée en plusieurs groupes d'outils qui sont disposés les uns derrière les autres dans la direction de travail et sont retenus, à chaque fois, dans un bâti (4) avec lequel ils forment respectivement un poste de formage (1),
    - sachant qu'au moins une partie des outils de formage par roulage, situés dans un poste de formage (1), est calée sur des arbres de travail (2, 3) montés dans ledit bâti (4) et pourvus d'éléments d'accouplement (13) faisant saillie latéralement au-delà dudit bâti (4),
    - sachant que des colonnes d'accouplement (11) jouxtant les bâtis (4) comprennent, d'une part, des pièces d'accouplement (12) complémentaires desdits éléments d'accouplement (13) des arbres de travail (2, 3) et, d'autre part, des éléments de liaison (15) destinés à un système d'entraînement (9) de la machine de profilage, de manière à transmettre un couple de rotation auxdits arbres de travail (2, 3) à partir dudit système d'entraînement (9),
    - et sachant que, pour accoupler lesdits arbres de travail (2, 3) audit système d'entraînement (9) et les désaccoupler d'avec ce dernier, lesdites colonnes d'accouplement (11) sont douées, au moins par zones, de mobilité dans une direction de mouvement pointant vers lesdits bâtis (4) et s'en éloignant, en vue d'instaurer et de supprimer la venue en prise desdites pièces complémentaires d'accouplement (12) avec lesdits éléments d'accouplement (13) desdits arbres de travail (2, 3),
    caractérisée par le fait
    - qu'elle comporte des colonnes d'accouplement (11) conformes à la revendication 1.
  3. Machine de profilage selon la revendication 2,
    caractérisée par le fait
    que les zones mobiles d'accouplement (5, 6) des colonnes d'accouplement (11) peuvent être mues au moyen d'entraînements pneumatiques (16, 17).
  4. Machine de profilage selon la revendication 3,
    caractérisée par le fait
    que les entraînements pneumatiques sont constitués, pour l'essentiel, d'au moins un vérin (16, 17) à commande pneumatique et d'un dispositif de guidage (20, 21) dédié aux zones d'accouplement (5, 6).
  5. Machine de profilage selon au moins l'une des revendications 2 à 4,
    caractérisée par le fait
    que les colonnes d'accouplement (11) sont composées d'un élément stationnaire de support (7), et d'au moins deux zones d'accouplement (5, 6) implantées sur ledit élément avec faculté de mouvement.
  6. Machine de profilage selon au moins l'une des revendications 2 à 5,
    caractérisée par le fait
    que les colonnes d'accouplement (11) sont munies de dispositifs d'entraînement vertical, en vue de faire varier la hauteur des zones d'accouplement (5, 6).
  7. Machine de profilage selon la revendication 6,
    caractérisée par le fait
    que les dispositifs d'entraînement vertical se prêtent à l'exécution d'un va-et-vient vertical oscillatoire des zones d'accouplement (5, 6).
  8. Machine de profilage selon la revendication 7,
    caractérisée par le fait
    que les éléments d'accouplement (13), et/ou les pièces complémentaires d'accouplement (12), sont pourvu(e)s d'auxiliaires d'insertion.
  9. Machine de profilage selon la revendication 8,
    caractérisée par le fait
    que les éléments d'accouplement (13), et/ou les pièces complémentaires d'accouplement (12), sont pourvu(e)s de pièces d'extrémité de configuration conique.
  10. Machine de profilage selon l'une des revendications 8 ou 9,
    caractérisée par le fait
    que les auxiliaires d'insertion comprennent une monture (14) de la pièce complémentaire d'accouplement (12) qui est douée de souplesse élastique, avec précontrainte par ressorts (22), perpendiculairement à l'axe de l'arbre de travail (2, 3) devant être accouplé.
  11. Procédé de mise en forme longitudinale d'un ruban métallique ou d'un profilé de départ en vue d'obtenir un profilé ou un tube, au moyen d'une machine de profilage conforme à au moins l'une des revendications 2 à 10, les colonnes d'accouplement (11) de ladite machine étant mues, par zones (5, 6), en direction et à l'écart des bâtis (4) en vue de désaccoupler des arbres de travail individuels (2) ou des groupes d'arbres de travail d'avec le système d'entraînement (9), ou de les accoupler à ce dernier.
  12. Procédé selon la revendication 11,
    caractérisé par le fait
    qu'il est fait usage de colonnes d'accouplement (11) équipées de dispositifs d'entraînement vertical en vue de faire varier la hauteur des pièces complémentaires d'accouplement (12) ; et par le fait que la colonne d'accouplement (11) d'un poste de formage (1), devant être accouplé au système d'entraînement (9), imprime un va-et-vient vertical oscillatoire à au moins l'une desdites pièces complémentaires d'accouplement (12), alors que cette dernière est mue en direction du bâti (4), afin d'exécuter le processus d'accouplement.
EP20100014654 2010-11-16 2010-11-16 Machine à profiler et supports d'accouplement pour une telle machine Active EP2452760B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES10014654T ES2403077T3 (es) 2010-11-16 2010-11-16 Máquina perfiladora y soporte de acoplamiento para una máquina de este tipo
EP20100014654 EP2452760B1 (fr) 2010-11-16 2010-11-16 Machine à profiler et supports d'accouplement pour une telle machine
DK10014654T DK2452760T3 (da) 2010-11-16 2010-11-16 Profileringsmaskine og koblingsstander til en sådan maskine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20100014654 EP2452760B1 (fr) 2010-11-16 2010-11-16 Machine à profiler et supports d'accouplement pour une telle machine

Publications (2)

Publication Number Publication Date
EP2452760A1 EP2452760A1 (fr) 2012-05-16
EP2452760B1 true EP2452760B1 (fr) 2013-02-20

Family

ID=45443217

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100014654 Active EP2452760B1 (fr) 2010-11-16 2010-11-16 Machine à profiler et supports d'accouplement pour une telle machine

Country Status (3)

Country Link
EP (1) EP2452760B1 (fr)
DK (1) DK2452760T3 (fr)
ES (1) ES2403077T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015085340A2 (fr) 2013-12-10 2015-06-18 Asmag-Holding Gmbh Système d'entraînement et installation de profilage équipée de celui-ci
EP3311932A1 (fr) 2016-10-21 2018-04-25 DREISTERN GmbH & Co.KG Profiliermaschine und kuppelvorrichtung für eine solche sowie ankuppelverfahren

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022120537B3 (de) 2022-08-15 2023-11-30 PROFILMETALL-Engineering GmbH Kuppelvorrichtung und Rollformanlage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2732233C2 (de) * 1977-07-16 1983-04-21 Maschinen- Und Werkzeugbau Gmbh, 4600 Dortmund Profiliermaschine
DE3836286A1 (de) 1988-10-25 1990-04-26 Krueckels Gerhard Profiliermaschine
JP3362072B2 (ja) * 1993-09-27 2003-01-07 株式会社中田製作所 冷間ロール成形機の駆動軸連結装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015085340A2 (fr) 2013-12-10 2015-06-18 Asmag-Holding Gmbh Système d'entraînement et installation de profilage équipée de celui-ci
WO2015085340A3 (fr) * 2013-12-10 2015-08-06 Asmag-Holding Gmbh Système d'entraînement et installation de profilage équipée de celui-ci
EP3311932A1 (fr) 2016-10-21 2018-04-25 DREISTERN GmbH & Co.KG Profiliermaschine und kuppelvorrichtung für eine solche sowie ankuppelverfahren

Also Published As

Publication number Publication date
ES2403077T3 (es) 2013-05-14
DK2452760T3 (da) 2013-05-06
EP2452760A1 (fr) 2012-05-16

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