EP0371220B1 - Laminoir radial à matrice - Google Patents

Laminoir radial à matrice Download PDF

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Publication number
EP0371220B1
EP0371220B1 EP89117268A EP89117268A EP0371220B1 EP 0371220 B1 EP0371220 B1 EP 0371220B1 EP 89117268 A EP89117268 A EP 89117268A EP 89117268 A EP89117268 A EP 89117268A EP 0371220 B1 EP0371220 B1 EP 0371220B1
Authority
EP
European Patent Office
Prior art keywords
roll
mandrel
groove
closed die
rolling
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.)
Expired - Lifetime
Application number
EP89117268A
Other languages
German (de)
English (en)
Other versions
EP0371220A3 (fr
EP0371220A2 (fr
Inventor
Siegfried Gröne
Werner Sczesny
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.)
ThyssenKrupp Technologies AG
Original Assignee
Thyssen Industrie AG
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
Priority claimed from DE19883840020 external-priority patent/DE3840020A1/de
Priority claimed from DE19893906763 external-priority patent/DE3906763A1/de
Application filed by Thyssen Industrie AG filed Critical Thyssen Industrie AG
Publication of EP0371220A2 publication Critical patent/EP0371220A2/fr
Publication of EP0371220A3 publication Critical patent/EP0371220A3/fr
Application granted granted Critical
Publication of EP0371220B1 publication Critical patent/EP0371220B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00—Making articles shaped as bodies of revolution
    • B21H1/06—Making articles shaped as bodies of revolution rings of restricted axial length

Definitions

  • the invention relates to a radial die-rolling machine with a rolling caliber which has a mandrel roller and a radially acting die ring which surrounds the workpiece and is driven by a motor and can be driven in a rotating manner.
  • Radial die rolling machines according to the prerequisite type are previously known.
  • the caliber is formed by a mandrel roller which engages in the workpiece from above and rotates in a motor-driven manner, a rotationally driven die ring and an ejector arranged below the workpiece, which delimits the rolling caliber with an ejector plate at the bottom, while the mandrel roller from above limits the rolling caliber with a mandrel roller plate.
  • the mandrel roller can be adjusted radially and axially with respect to the workpiece in order to introduce the workpiece blank into the rolling caliber and, on the other hand, also to remove the finished rolled workpiece from the rolling caliber by the ejector, i.e. to load and unload the rolling caliber can.
  • the invention is based on the object of designing a radial die-rolling machine of the superior type in such a way that the rigidity of the rolling caliber is increased, the loading and unloading of the rolling machine is simplified and the maintenance effort is reduced.
  • the mandrel roller can be stationary executed and therefore does not need to be moved during loading and unloading. This increases the rigidity in the rolling caliber and only makes one infeed axis (rolling slide) for the relative movement of the die ring across, e.g. B. at an obtuse angle to the mandrel roller.
  • the distance between the center of the mandrel roller and the pick-up point of the workpiece blank is always the same on a conveyor (conveyor belt) that is brought up to the side of the radial die-rolling machine. This enables the rolling machine to be loaded using a simple swivel mechanism.
  • the tapered roller Since the pivot axis of the rocker for the tapered roller is arranged inclined to the end face of the die ring, the tapered roller carries out a movement when the rocker is lifted by at least one cylinder or the like, which simultaneously leads away from the end face of the die ring in the radial and axial directions, around the To enable loading and unloading of the workpiece.
  • the inclined axis of the mandrel roller and taper roller to the roller plane creates a rolling motion on the workpiece, which reduces wear on the tools.
  • a rocker is also arranged above the machine housing, which by at least one cylinder or another drive which alternately on both sides with pressure medium, for.
  • a support mandrel is rotatably mounted in the rocker and plunges into a bore in the mandrel roller.
  • the rolling caliber is closed in the axial direction by a plate roller on the end face of the die ring.
  • the axis of rotation of the support mandrel and plate roller are arranged inclined to the end face of the die ring. As with the mandrel roller, this results in a rolling motion on the workpiece, which causes wear on the Tools diminished.
  • the rocker with the support mandrel is pivoted away from the mandrel roller by the cylinder or another drive by applying pressure medium.
  • the support mandrel is provided with a bore into which the extended part of the mandrel roller is immersed.
  • This variant is chosen when the diameter of the mandrel roller becomes very small, for example only has a diameter of approximately 30 millimeters.
  • a roller carriage 4 is mounted in two guides 5 on both sides of the mandrel roller 3 in such a way that it has a feed movement can execute in the radial direction to the mandrel roller 3.
  • a radially acting die ring 7, which can be rotated by an electric motor 6, is mounted in the roller carriage 4 such that the mandrel roller 3 is enclosed by the die ring 7.
  • a tapered roller 8 is also arranged on the roller carriage 4, the tapered surface lines 9 of which intersect on the axis of rotation 10 of the die ring 7.
  • the tapered roller 8 is rotatably mounted in a rocker 11.
  • the reference numeral 12 denotes a pivot axis of the rocker 11.
  • the pivot axis 12 is arranged inclined to the end face 13 of the die ring 7. This arrangement ensures that the tapered roller 8 executes a movement when lifting the rocker 11 by means of a cylinder 14, in particular hydraulically, which can be acted upon by pressure medium on both sides, which movement simultaneously leads away from the end face 13 of the die ring 7 in the radial and axial direction, or else leads, depending on which side of the cylinder 14 is acted upon by pressure medium pressure to enable the loading and unloading of the workpiece 15.
  • a rotating, ring-shaped workpiece ejector 16 is arranged around the mandrel roller 3, the axis of rotation 17 of which lies parallel to the axis of rotation 10 of the die ring 7 and the speed of which corresponds to the speed of the die ring 7.
  • the workpiece ejector 16 is provided with a lifting device 18, which moves the workpiece ejector 16 in the axial direction to the die ring 7. The lifting movement takes place when the roller carriage 4 has been moved into the position in which the axis of rotation 10 of the die ring 7 coincides with the axis of rotation 17 of the workpiece ejector 16.
  • the rolling caliber is delimited at the top by the tapered roller 8, i. H. is closed, while it is limited from below by the mandrel roller 3 and the roller plate.
  • the workpiece blank 19 is introduced by means of a loading pivot arm 21 of a manipulator, which is rotatably mounted on the machine housing 1 in a pivot axis 20.
  • the workpiece blank 19 held on a continuous conveyor belt 22 by a metering device 23 is released when the rolling machine is ready to take up by opening the metering device 23 and transported into an open tongs 24.
  • the workpiece blank 19 is clamped in the pliers 24 by pivoting a lever 25.
  • the loading swivel arm 21 is rotated about the swivel axis 20 by a swivel drive 26 until the workpiece blank is placed over the stationary mandrel roller 3.
  • roller plane, roller slide guide, die ring bearing and feed cylinder are mounted approximately in one plane, whereby an optimum caliber rigidity is achieved.
  • roller plane is inclined, gravity supports the unloading of the finished workpiece from the die ring.
  • the workpiece ejector 16 and the mandrel roller bearing are arranged from below with respect to the die ring 7.
  • the mandrel roller 3 can be made stationary and therefore does not need to be moved during loading and unloading.
  • considerable rigidity is achieved in the rolling caliber and only one feed axis is required for the rolling carriage 4.
  • the longitudinal axis of the stationary mandrel roller 3 is always at the same distance from the manipulator. Since the mounting point for the workpiece blank 19 does not change with respect to the manipulator, the manipulator only needs to perform a simple pivoting movement between the mounting point for the workpiece blank 19 and the mandrel roller 3. It is therefore only necessary to have a structurally simple swivel mechanism.
  • the rolling caliber is formed by the radially acting die ring 7 on the outside, the radially acting mandrel roller 3 on the inside, the axially acting mandrel roller plate at the bottom and the axially acting tapered roller 8 at the top.
  • the inclined axis of mandrel roller 3 and taper roller 8 to the rolling plane produces a rolling motion on the workpiece 15, which reduces wear on the tools.
  • a rocker 102 is arranged above the machine housing 101 and can be pivoted about a pivot axis 105 which is fixedly attached to the machine housing 101 by means of a cylinder 104 or a plurality of such cylinders which is alternately pressurized with pressure medium pressure, in particular hydraulic oil.
  • pressure medium pressure in particular hydraulic oil.
  • drives e.g. B. linear drives, conceivable.
  • a support mandrel 106 is rotatably mounted in the rocker arm 102 and plunges into a bore of a mandrel roller 103.
  • a rolling caliber is closed in the axial direction by a plate roller 107 on an end face 108 of the radially acting die ring 110.
  • the axis of rotation 109 of the support mandrel 106 and the plate roller 107 is arranged inclined to the end face 108 of the die ring 110.
  • a rolling movement on the workpiece 111 is achieved, which reduces wear on the tools.
  • the rocker 102 with the support mandrel 106 is pivoted away from the mandrel roller 103 by the cylinder 104 or another drive.
  • the support mandrel 106 is provided with a bore into which the extended part of the mandrel roller 103 is immersed.
  • This embodiment is particularly useful when the diameter of the mandrel roller 103 is very small, e.g. B. is only about 30 millimeters.
  • a roller carriage (not specially marked) is mounted in two guides on both sides of the mandrel roller 103 in such a way that it can carry out a feed movement in the radial direction to the mandrel roller 103.
  • the die ring 110 which can be rotated by an electric motor 112, is mounted in the roller carriage in such a way that the mandrel roller 103 is enclosed by the die ring 110.
  • the arrangement of the pivot axis 105 ensures that when or after the rocker 102 is lifted by the cylinder 104, it carries out a movement which at the same time leads or leads away from the end face 108 in the radial and axial directions, depending on which side of the cylinder 104 is acted upon by fluid pressure to enable loading and unloading of the workpiece 111.
  • a rotating, ring-shaped workpiece ejector 114 is arranged around the mandrel roller 103, the axis of rotation 115 of which lies parallel to the axis of rotation 116 of the die ring 110 and whose speed coincides with the speed of the die ring 110.
  • the workpiece ejector 114 is movable in the axial direction of the die ring 110. The lifting movement takes place when the rolling slide has been moved into the position in which the axis of rotation 116 of the die ring 110 coincides with the axis of rotation 115 of the workpiece ejector 114.
  • the rolling caliber is closed by the plate roller 107 on the end face 108 of the die ring 110, while it is delimited from below by the mandrel roller 103 and its mandrel roller plate.
  • the rolling caliber is delimited at the top by the mandrel roller plate of the support mandrel 106 and from below by the mandrel roller plate of the mandrel roller 103.
  • the workpiece blank is introduced by means of a loading pivot arm of a manipulator which is mounted on the machine housing 101 and is rotatable in a pivot axis.
  • the workpiece blank held on a continuous conveyor belt, also not shown, by a metering device is released when the rolling machine is ready to take up by opening the metering device and transported into an open tongs.
  • the workpiece blank is clamped in the pliers using a lever.
  • the loading swivel arm is rotated about the swivel axis by a swivel drive until the workpiece blank is placed over the stationary mandrel roller 103.
  • roller level, roller slide guide, die ring bearing and feed cylinder are mounted on approximately one level, which ensures optimum caliber rigidity.
  • roller plane is inclined, gravity supports the unloading of the finished workpiece 111 from the die ring.
  • the workpiece ejector 114 and the mandrel roller bearing are arranged below with respect to the die ring 110.
  • the mandrel roller 103 can be made stationary and therefore does not need to be moved during loading and unloading. This achieves considerable rigidity in the rolling caliber and only one feed axis is required for the rolling slide.
  • the longitudinal axis of the stationary mandrel roller 103 is always at the same distance from the manipulator. Since the pick-up point for the workpiece blank does not change with respect to the manipulator, the manipulator only needs to perform a simple pivoting movement between the pick-up point for the workpiece blank and the mandrel roller 103. It is therefore only necessary to have a structurally simple swivel mechanism.
  • the inclined axis of the mandrel roller 103 and the support mandrel 106 to the roller plane results in a rolling movement on the workpiece 111, which reduces wear on the tools.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Rolling Contact Bearings (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Claims (5)

  1. Laminoir radial à matrice, à une cannelure de laminage présentant un rouleau à mandrin (3) et un anneau-matrice radial (7) entourant l'extérieur de la pièce (15), lequel (7) est entraînable par moteur selon un mouvement rotatif, caractérisé en ce que
    a) le rouleau indécalable à mandrin (3) engrène par le bas dans la pièce (15),
    b) la cannelure de laminage est fermée en haut par un rouleau cônique (8) à effet axial entraîné par moteur, et en bas par un plateau de rouleau à mandrin solidaire du rouleau à mandrin (3),
    c) et en ce que les génératrices (9) du rouleau conique (8) se coupent sur l'axe de rotation (10) de la matrice radiale (7),
    d) et que la matrice radiale (7) est décalable transversalement au rouleau à mandrin (3),
    e) et que le rouleau conique (8) est en appui rotatif dans une bascule (11), l'axe de pivotement de la bascule (11) étant agencé incliné par rapport à la surface frontale supérieure (13) de la matrice radiale (7) et la bascule (11) , pour ouvrir la cannelure de laminage, pouvant pivoter avec le rouleau conique (8) dans le sens radial et axial et s'éloigner ainsi de la face frontale supérieure (13) de la matrice radiale (7),
    f) et que l'axe de rotation du rouleau à mandrin (3) est incliné selon un angle obtus et l'axe de rotation du rouleau conique (8) est incliné selon un angle aigu par rapport au plan de laminage (13) de la matrice radiale,
    g) et que le plan de laminage (13) est incliné par rapport à l'horizontale.
  2. Laminoir radial à matrice selon revendication 1, caractérisé en ce que le plan de laminage (13), le guide de chariot de laminage, le palier de cannelure et le vérin d'avance sont, pour accroître la rigidité de la matrice radiale, agencés sur un plan ou approximativement sur un plan.
  3. Laminoir radial à matrice selon revendication 1 et/ou 2, caractérisé en ce que l'écart entre le milieu de rouleau à mandrin et le point de réception de l'ébauche de la pièce (19) est constant et que le chargement du laminoir peut se faire par un simple mécanisme basculant.
  4. Laminoir radial à matrice, à cannelure de laminage présentant un rouleau à mandrin (103) et un anneau-matrice radial entourant l'extérieur de la pièce (111), lequel anneau-matrice radial est entraînable par moteur selon un mouvement rotatif, caractérisé en ce que le rouleau à mandrin indécalable (103) engrène par le bas dans la pièce (111) et que la cannelure de laminage est fermée en haut par un rouleau à plateau (107) et en bas par un plateau de rouleau à mandrin solidaire du rouleau à mandrin (103) et que la matrice radiale (110) est déplaçable transversalement au rouleau à mandrin (103) et que le rouleau à plateau (107) obturant la cannelure de laminage par le haut est en appui rotatif dans une bascule (102), l'axe pivotant (105) de la bascule (102) étant agencé incliné par rapport à la face frontale supérieure (108) de la matrice radiale (110) et la bascule (102), pour ouvrir la cannelure, pouvant pivoter avec le rouleau dans le sens radial et axial et s'éloigner ainsi de la face frontale supérieure (108) de la matrice radiale (110), et l'axe rotatif du rouleau à mandrin (103) ainsi que le rouleau fermant en haut la cannelure sont en appui inclinés selon un angle obtus par rapport à la face frontale de la matrice radiale et le plan de laminage étant également incliné par rapport à l'horizontale,
    a) une bascule (102) étant disposée au-dessus contre un carter-machine (101), ladite bascule (102) pouvant pivoter, selon un mouvement de va-et-vient autour d'un axe de pivotement immobile (105) fixé contre le carter-machine (101), sous l'action d'une unité à piston et cylindre (104) pouvant être alternativement mise sous pression d'un fluide ou sous l'action d'un autre mécanisme d'entraînement, par ex. un mécanisme d'entraînement linéaire, et pouvant aussi être bloquée dans la position chaque fois désirée;
    b) un mandrin d'appui (106) se trouvant en appui rotatif dans la bascule (102) et plongeant dans un alésage du rouleau à pointe (103; fig. 6);
    c) la cannelure de laminage étant fermée dans le sens axial par un rouleau à plateau (107; fig. 6) contre la surface frontale (108) de la matrice radiale (110);
    d) l'axe rotatif (109) du mandrin d'appui (106) et du rouleau à plateau (107) étant agencé incliné par rapport à la surface frontale (108) de la matrice radiale (110);
    e) pendant l'opération de chargement et de déchargement du laminoir radial à matrice, la bascule (102) et le mandrin d'appui (106) pivotant ensemble sous l'effet de l'unité à piston et cylindre (104) ou d'un autre mécanisme d'entraînement, pour s'éloigner du rouleau à mandrin (103).
  5. Laminoir radial à matrice, à une cannelure de laminage présentant un rouleau à mandrin (103) et un anneau-matrice radial entourant l'extérieur de la pièce (111), lequel anneau-matrice radial est entraînable par moteur selon un mouvement rotatif, caractérisé en ce que le rouleau indécalable à mandrin (103) engrène par le bas dans la pièce (111) et que la cannelure de laminage est fermée en haut par un rouleau (107) et en bas par le plateau d'arbre à mandrin solidaire de l'arbre à mandrin (103) et que la matrice radiale (110) est décalable transversalement au rouleau à mandrin (103) et que le rouleau à plateau (107) fermant la cannelure de laminage par le haut est en appui rotatif dans une bascule (102), l'axe de pivotement (105) de la bascule (102) étant agencé incliné par rapport à la surface frontale supérieure (108) de la matrice radiale (110) et la bascule (102), pour ouvrir la cannelure, pouvant pivoter avec le rouleau dans le sens radial et axial et s'éloigner ainsi de la face frontale supérieure (108) de la matrice radiale (110), et que l'axe de rotation du rouleau à mandrin (103) ainsi que le rouleau fermant en haut la cannelure de laminage sont en appui selon un angle d'inclinaison obtus par rapport à la surface frontale de la matrice radiale, et que le plan de laminage est également incliné par rapport à l'horizontale,
    a) une bascule (102) étant disposée au-dessus du carter-machine (101), ladite bascule (102) pouvant pivoter, selon un mouvement de va-et-vient autour d'un axe de pivotement (105) immobile fixé contre le carter-machine (101), sous l'action d'une unité à piston et cylindre (104) pouvant être alternativement mise sous pression d'un fluide ou sous l'action d'un autre mécanisme d'entraînement, et pouvant aussi être bloquée chaque fois dans la position désirée;
    b) un mandrin d'appui (106) se trouvant en appui rotatif dans la bascule (102) et présentant un alésage dans lequel plonge une partie allongée du rouleau à mandrin (103; fig. 7);
    c) la cannelure de laminage étant fermée dans le sens axial par un rouleau à plateau (107) contre la surface frontale (108) de la matrice radiale (110);
    d) l'axe rotatif (109) du mandrin d'appui (106) et du rouleau à plateau (107) étant agencé incliné par rapport à la surface frontale (108) de la matrice radiale (110);
    e) pendant l'opération de chargement et de déchargement du laminoir radial à matrice, la bascule (102) et le mandrin d'appui (106) pivotant ensemble sous l'effet de l'unité à piston et cylindre (104) ou assimilé, pour s'éloigner du rouleau à mandrin (103).
EP89117268A 1988-11-26 1989-09-19 Laminoir radial à matrice Expired - Lifetime EP0371220B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19883840020 DE3840020A1 (de) 1988-11-26 1988-11-26 Radial-gesenkwalzmaschine
DE3840020 1988-11-26
DE3906763 1989-03-03
DE19893906763 DE3906763A1 (de) 1989-03-03 1989-03-03 Radial-gesenkwalzmaschine

Publications (3)

Publication Number Publication Date
EP0371220A2 EP0371220A2 (fr) 1990-06-06
EP0371220A3 EP0371220A3 (fr) 1992-04-22
EP0371220B1 true EP0371220B1 (fr) 1995-01-18

Family

ID=25874595

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89117268A Expired - Lifetime EP0371220B1 (fr) 1988-11-26 1989-09-19 Laminoir radial à matrice

Country Status (3)

Country Link
EP (1) EP0371220B1 (fr)
AT (1) ATE117226T1 (fr)
ES (1) ES2066819T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103302210A (zh) * 2013-06-13 2013-09-18 西北工业大学 一种连续板带等厚面内弯曲成形方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106540963B (zh) * 2016-01-12 2018-03-20 成都成化机械制造有限公司 错位轧环工艺

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Publication number Priority date Publication date Assignee Title
DE362066C (de) * 1921-02-22 1922-10-24 Adolf Kreuser G M B H Dreiwalzenwalzwerk fuer Reifen
US1745514A (en) * 1924-08-26 1930-02-04 Taylor James Hall Ring-rolling machine
GB590211A (en) * 1944-01-31 1947-07-10 Standard Telephones Cables Ltd Methods of and means for rolling annular metal bodies
US3626564A (en) * 1970-02-26 1971-12-14 Lear Siegler Inc Manufacture of bearing races
FR2330477A1 (fr) * 1975-11-06 1977-06-03 Roulements Soc Nouvelle Dispositif de roulage de bagues de roulement
DE2923001A1 (de) * 1979-06-07 1981-01-22 Thyssen Industrie Ringwalzmaschine mit dornwalzen- revolverkopf
SU860929A1 (ru) * 1980-01-04 1981-09-07 Ленинградский Ордена Ленина Политехнический Институт Им. Калинина Устройство дл раскатки осесимметричных изделий
DE3237295A1 (de) * 1982-10-08 1984-04-12 Stahlwerke Plate GmbH & Co KG, 5880 Lüdenscheid Ringwalzwerk
SU1189558A1 (ru) * 1984-01-13 1985-11-07 Andrej V Grigorev Инструмент для радиальной раскатки колец
SU1430158A1 (ru) * 1986-10-13 1988-10-15 Организация П/Я Х-5263 Устройство дл раскатки осесимметричных изделий

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103302210A (zh) * 2013-06-13 2013-09-18 西北工业大学 一种连续板带等厚面内弯曲成形方法
CN103302210B (zh) * 2013-06-13 2015-06-03 西北工业大学 一种连续板带等厚面内弯曲成形方法

Also Published As

Publication number Publication date
ES2066819T3 (es) 1995-03-16
EP0371220A3 (fr) 1992-04-22
ATE117226T1 (de) 1995-02-15
EP0371220A2 (fr) 1990-06-06

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