EP1901863B1 - Procede et dispositif pour former en une piece un rebord a l'extremite d'un tube cylindrique ou ovale en tole a paroi mince et tube fabrique selon ledit procede - Google Patents

Procede et dispositif pour former en une piece un rebord a l'extremite d'un tube cylindrique ou ovale en tole a paroi mince et tube fabrique selon ledit procede Download PDF

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Publication number
EP1901863B1
EP1901863B1 EP06754624A EP06754624A EP1901863B1 EP 1901863 B1 EP1901863 B1 EP 1901863B1 EP 06754624 A EP06754624 A EP 06754624A EP 06754624 A EP06754624 A EP 06754624A EP 1901863 B1 EP1901863 B1 EP 1901863B1
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EP
European Patent Office
Prior art keywords
pipe
flange
roller tool
bead
forming roller
Prior art date
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Application number
EP06754624A
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German (de)
English (en)
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EP1901863A1 (fr
Inventor
Manfred Meinig
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Metu Meinig AG
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Metu Meinig AG
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Priority to PL06754624T priority Critical patent/PL1901863T3/pl
Publication of EP1901863A1 publication Critical patent/EP1901863A1/fr
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    • 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
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/02—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge
    • B21D19/04—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers
    • B21D19/046—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers for flanging edges of tubular products
    • 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
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/12—Edge-curling

Definitions

  • the invention relates to a method and apparatus for integrally molding a flange at the end of a round or oval tube from Phynwan-shaped sheet metal according to the preambles of claims 1, 10 and 11.
  • a method and such a device is known from US-A-1807531 known.
  • Tubes made of thin-walled sheet metal are usually composed of sections that are to be joined together. The type of connection significantly influences the cost-effectiveness of the production and assembly of the sections. This also applies to tubular devices or devices with tubular connections, which are often to be integrated in such pipelines.
  • connection types a distinction is made between plug-in connections, which are mainly used in smaller-diameter tubes composed of sections, and flange connections. Predominantly, separate flanges are made in these flange connections, which are screwed, riveted, welded or fastened in a similar manner at the end of the pipe.
  • the flanges are produced by forming the pipe end.
  • the simplest type of integrally formed flange is the standing board, which is created by the right-angled edge of the pipe end.
  • the standing board which is created by the right-angled edge of the pipe end.
  • Rolling known, which are generated by the fact that the pipe end is rolled into a roughly circular cross-section bead and flanged.
  • the present invention is therefore based on the object, a method and an apparatus for integrally molding a flange at the end of a round or oval tube of thin-walled sheet specified in the preamble of claim 1 type, with which produces a much stronger and much more stable flange can be.
  • the object is achieved by a method according to the features of patent claim 1 and a device according to the features of patent claim 10 and a device according to the features of patent claim 11. Further advantageous embodiments of the method or the device are specified in the dependent formulated patent claims.
  • this object is achieved in that in a first stage of material amplification, the end of an axial section of the tube is crimped with simultaneous axial feed of Vorformrollentechnikmaschines to a bead, whereupon in a second process stage for producing a.massiven flange the bead is compacted with a finish roll tool.
  • solid or semi-solid flanges can be made with a much greater thickness than the wall thickness of the tube.
  • the preforming roller tool is advanced so far that an at least single-layered, substantially circular cross-section bead is formed, which is deformed in the second process stage to a semi-solid flange.
  • the wall of the bead is compressed, thereby producing a higher density flange upon subsequent finish forming.
  • a round or oval tube made of thin-walled sheet metal with an integrally formed at least partially solid flange can be produced, which is dimensioned larger than the wall thickness of the tube and preferably has a rectangular, square, triangular or trapezoidal cross-section with rounded corners.
  • a device which has a preforming roller tool for producing the bead, a finished form roller tool for producing the solid flange and a clamping device for the tube.
  • the roller tools are here not rotatable, but radially and axially displaceable and the motor driven clamping device for the tube rotatable, but arranged axially immovably on a frame.
  • the pipe to be flanged passes around while the roller tools are axially advanced with respect to the pipe.
  • roller tools are arranged together on a motor-driven, rotatably mounted turntable radially and axially displaceable, while the clamping device is provided for the pipe on the frame axially non-displaceable.
  • the formation of the preforming roll tool is specified in claim 12.
  • the finished form roller tool is the subject of claim 13.
  • a clamping device is suitable, in which rest according to claim 17 or 18 radially displaceable clamping jaws on the inner tube wall frictionally.
  • the clamping fingers can also be frictionally engaged with the inner wall of the tube in engagement.
  • the inventive device for the production of tubes made of sheet metal with integrally formed flanges according to the present invention is particularly suitable for fully automatic production.
  • a programmable circuit for controlling the drives, valves and the like aggregates according to predetermined manufacturing processes is necessary.
  • FIGS. 1 to 4 four different possibilities of solid flanges can be produced according to the invention.
  • flanges 5 to 8 are formed on the tube walls 1 to 4 of a tube, not shown in detail, which are partially solid or solid depending on the compression.
  • These flanges can have almost any cross-sectional shapes.
  • Flanges with a trapezoidal cross section 5, 6 or 8, or flanges with a rectangular cross section 7, which are particularly well suited for mounting with clamping rings, are preferred.
  • the accumulation of material in the flange profile leads to an extremely high radial and axial flange stiffness.
  • the end 10 of the tube 11 is first formed into a bead 17 by a special rolling process.
  • this preformed bead is compacted in a special rolling process to the desired shape of the solid or semi-solid flange.
  • the preparation of the bead is the Vorformrollentechnikmaschine 9, which consists of the axially parallel rollers 13 and 15 and with its axis 14b perpendicular to the axes 13c and 15d standing roller 14.
  • the roller 13 is profiled so that it has at its upper end a substantially cylindrical portion 13a and at this then a likewise cylindrical portion 13b of smaller diameter.
  • the profile roller 15 has at its upper end also a cylindrical portion 15a and then a quarter-circle in cross-section annular groove 15b and then to this a cylindrical portion 15c of smaller diameter.
  • the third roller of the T-shaped roller combination 9 is arranged and dimensioned to engage in the space between the cylindrical portions 13b and 15c.
  • This roller 14 has a semi-circular in cross-section annular groove 14a.
  • annular grooves 14a and 15b together with the cylindrical portion 13a form an approximately circular cross-sectional shape groove 16, wherein the diameters of the portions 13a and 15a are dimensioned such that a receiving gap 12 remains free between the rollers 13 and 15, whose clear width corresponds to the thickness of the pipe wall 1.
  • the tube 11 is rotated relative to the preforming roller tool 9 or the preforming tool 9 with respect to the tube 11, the preforming roller tool 9 and the tube 11 in the axial direction A against the tube 11 and the Vorformrohrwerkmaschine 9 is moved.
  • the wall 1 dips into the gap 12 between the rollers 13 and 15 until it meets the semicircular shaped groove 14a of the roller 14, as in FIG. 6 is shown.
  • this bead is already suitable for the production of a semi-solid flange in the second stage of the process.
  • the advance of the preforming roller tool 9 or of the tube 11 is terminated when sufficient material of the outer edge 10 of the tube end has been reshaped and compressed for the required rigidity of the flange.
  • roller 15 is again retract radially against the direction of the arrow B, lock and axially advance together with the rollers 13 and 14 against the direction of the arrow C.
  • the second stage of the process for the completion of the partially or fully solid flange is based on the FIGS. 13 to 17 explained.
  • the finished form roller tool 18 consists of two profile rollers 19 and 20, which against each other and with respect to the wall 1 of the tube 11 at an angle from the in FIG. 13 are shown movable position, that they finally in FIG. 16 assume the illustrated end position.
  • the rollers 19 and 20 have in cross section approximately V-shaped annular grooves, which are bounded by the angularly mutually standing annular surfaces 19a and 19b and 20a and 20b.
  • annular surfaces are arranged and dimensioned to be in the final position of the forming rollers 19 and 20, as shown FIG. 16 can be seen, a corresponding to the desired cross-section of the flange 5 space and a necessary receiving gap 21 for the pipe wall 1 form.
  • rollers 19 and 20 of the finished form roller tool 18 can now be retracted together against the feed direction parallel to the tube axis in the direction of arrow I in the starting position. They are ready for a new manufacturing process.
  • an angle of about 45 ° has proved to be advantageous. Also practicable are angles in a range of 45 ° ⁇ 30 °. At angles outside this range, however, the material deformation is deficient.
  • the rollers are not driven in the second stage of the process, but they are free to move around.
  • Tapered roller bearings are particularly suitable for this purpose.
  • the speed for axial feed of the finished form roller tool 18 or the tube 11 is advantageously in the order of 0.1 to 2 mm per revolution of the tube or of the tool 18.
  • any flange cross-section can be produced independently of the pipe wall thickness, with wall thicknesses preferably being on the order of 0.5 to 5 mm.
  • the method can also be used for the production of flanges in pipe-like devices and apparatus.
  • FIGS. 18 and 19 A first embodiment of a complete device for molding a flange to a pipe 11 is connected to the FIGS. 18 and 19 illustrated.
  • this device the basis of the FIGS. 5 to 17 in detail explained roller tools 9 and 18 mounted on tool slide 24 and 25 radially displaceable on the base plate 23 of a frame 37.
  • the radial adjustment serve adjusting spindles 32.
  • the rollers 13 to 15 of the preforming roller tool 19 and the rollers 19 and 20 of the finished form roller tool 18 are on the respective carriage 24 and 25 by means not shown feed devices axially and radially in the reference in the FIGS. 5 to 17 explained manner slidably mounted.
  • the tube 11 is rotated relative to the frame 37 while the slides 24, 25 carrying the roller tools 9 and 18 are fixed.
  • the slides 24 and 25, which are radially displaceable with the adjusting spindles 32 or optionally with pneumatic or hydraulic cylinders, are connected to the base plate 23 of the frame 37 via sufficiently stable and accurate guide rails 36.
  • the free-running rollers 13 to 15 of the Vorformrollentechnik Weges 9 and 19 and 20 of the finished form roller tool 18 are mounted in the carriage 24 and 25 blocks and not shown with guides in the basis of FIGS. 5 to 17 described way movable. Serve as drive not shown, integrated into the blocks hydraulic or pneumatic cylinder or threaded spindles with gear or servo motors.
  • the clamping of the tube 11 serves a generally designated 31 clamping disc, which consists of a base plate 33 with radially radially displaceable on this radially arranged clamping segments 34, the more precisely in the plan view FIG. 19 are recognizable.
  • the base plate 33 is supported by a central hollow shaft 26, which is mounted in the attached to the underside of the base plate 23 bearing block 27. Tapered roller bearings 27a of this bearing block 27 absorb the very high radial and axial loads.
  • the operation of the clamping plate 31 is a hollow shaft 26 passing through pull rod 29, at whose upper end in a shape a tapered multiple edge 35 formed clamping cone is attached, which bears against the inner jaw ends 34 a of the clamping jaws 34.
  • the clamping jaw segments 34 are moved radially outwardly and fit non-positively against the inner wall of the pipe 11 to be clamped.
  • the pull rod 29 is to be advanced by means of the cylinder 30 in the opposite direction.
  • return springs provide for the return of the jaw segments 34, so that the tube 11 is released again.
  • the rotary drive of the clamping device is a arranged in the frame 37 drive motor 28, the pinion 28a with a mounted on the inner end of the hollow shaft 26 gear 28b is engaged.
  • gear drives instead of gear drives also chain or belt drives are suitable.
  • the preforming and finishing roll tools 9 and 18 by means of the carriage 24 and 25 according to the diameter of the flange to be provided with a pipe section 11 and in the basis of the FIGS. 5 to 17 to drive explained basic positions.
  • the tube 11 is pushed over the clamping disk 31 in such a way that the axial partial section 11a required for machining projects beyond the lower edge of the clamping disk 31.
  • the tube is made by spreading the jaw segments 34 clamped and then offset by means of the drive motor 28 in rotation at a speed between 20 and 300 U / min.
  • the bead is formed as shown in FIG FIGS. 5 to 12 is explained above.
  • the second processing stage namely the production of partially or fully solid flange by means of the finished form roller tool 18 without interrupting the rotation of the tube 11 at.
  • This process is described above with reference to FIGS. 14 to 17.
  • After completion of the flange and the finished form roller tool 18 is moved back to the basic position. The rotation is stopped.
  • the tube 11 with a molded flange according to Figure 1 to 4 be removed from the device.
  • drive elements, valves and the like aggregates for the programmed control of the entire device, which allow a fully automatic production process according to predetermined data.
  • These units and the controller are housed in the preferably clad with a sheet metal housing frame 37.
  • the device according to FIG. 18 and 19 is only suitable for molding a flange at one end of a pipe 11th
  • FIG. 20 shown device in which two Anformmaschineen 38, the structure of the device according to FIG. 18 and 19 corresponds, in a tubular frame 39 are horizontally arranged so that their clamping discs 31 are opposite to each other.
  • At least one of the two Anformvenezen 38 is displaceable in the support rails 41 by means of driven threaded spindles 40 horizontally in the direction of the double arrow K.
  • the distance between the two Anformticianen 38 can be adjusted according to the tube length, wherein for inserting and removing the tube 11 at least one Anformtician 38 is to be moved axially.
  • Anformmaschine 42 Another variant for producing a flange to be integrally formed on the pipe, which is referred to as Anformmaschine 42, with the Figures 21 and 22 illustrated.
  • the tube is stationary during processing, while the roller tools 9 and 18 are mounted on a driven by the geared motor 45 and rotating about the axis of the tube 11 turntable 43.
  • the device for clamping the tube 11 is constructed in the same manner as that provided in the apparatus according to FIGS. 18 and 19. Again, the determination of the tube 11 is a clamping plate 31 with clamping jaw segments 34, which are radially displaceable by means of a multiple edge 35, the pull rod 29 and the cylinder 30.
  • the base plate 33 carrying the clamping jaw segments 34 is attached to the upper end of the hollow shaft 26 penetrated by the pull rod 29.
  • the hollow shaft 26 is different from the device according to FIG FIG. 18 and 19 firmly connected to the base plate 23 of the frame 37.
  • the turntable 43 is rotatable about the hollow shaft 26. On its underside it is equipped with a toothed turning ring 44, which is in gear connection with the pinion gear 45 a of the geared motor 45.
  • Anformmaschine 42 is particularly suitable for molding the flange of fittings or bulky pipes, as they do not need to be rotated during the Anflanschvorgang.
  • Machining must be determined by the friction force against rotation.
  • a counter-holding ring 46 is provided, which is to be attached at the level of the clamping disk on the outside of the tube 11.
  • the retaining ring 46 is formed in two parts. Its two parts 46a and 46b can be connected to one another after being pushed onto the tube 11, for example by means of screwing on 47. Instead of a second screw connection, an articulated connection of the sections 46a and 46b may also be provided, for example by means of a hinge or the like.
  • a clamping spring designed in the manner of a plate spring, conical spring washer 48 is provided, which is divided by means of radial slits 49 in radially from the central bore 51 radially extending clamping fingers 50.
  • This spring washer 48 is seated on a counter-holding plate 53 to be inserted into the pipe interior, which is fastened to the upper end of the hollow shaft 26.
  • the actuation of the spring washer 48 in turn serves a hollow shaft 26 and the counter-holding plate 53 axially traversing tie rod 29, the top end of which passes through the central bore 51 of the spring washer 48 and connected thereto by means of a nut 54.
  • the clamping fingers 50 are spread and put on the inner wall of the tube 11 frictionally, wherein they dig into a corresponding train in the tube wall. This is possible because the retaining ring 46 prevents the radial deflection of the pipe wall and thus determines the tube 11.
  • the spring washer 48 allows a multiplication of the tensile force applied via the drawbar 29, wherein the spreading force of the spring washer 48 is greater, the flatter the cone angle of the spring washer 48 is.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)
  • Forging (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Claims (27)

  1. Procédé pour former en une seule pièce une bride à l'extrémité d'un tube à paroi mince de section circulaire ou ovale en tôle, selon lequel on serre le tube à proximité de son extrémité, de façon qu'un segment partiel axial dépasse par rapport à la partie fixée, et on rabat le segment partiel axial avec un outil à galets associé, par rotation du tube ou de l'outil à galets, par rapport au tube, pour former une bride venant en saillie vers l'extérieur,
    caractérisé en ce qu'
    au cours d'une première étape du procédé, pour renforcer la matière, on rabat l'extrémité du segment partiel axial (11a) du tube (11) tout en avançant axialement un outil à galets de préformage (9) pour former un bourrelet (17) et au cours d'une seconde étape du procédé, on comprime ce bourrelet avec un outil à galets de formage de finition (18) pour réaliser une bride (5, 6, 7 ou 8) au moins en partie massive.
  2. Procédé selon la revendication 1,
    caractérisé en ce qu'
    on avance l'outil à galets de préformage (9) de façon à former au moins un bourrelet (17) pratiquement de section circulaire, à une couche, que l'on transforme en une bride, en partie massive, au cours d'une seconde étape du procédé.
  3. Procédé selon la revendication 1,
    caractérisé en ce qu'
    on déplace l'outil à galets de préformage (9) en l'avançant pour former un bourrelet (17) de section sensiblement en spirale à au moins deux couches, et qui, au cours de la seconde étape du procédé, est comprimé pour former une bride (5, 6, 7 ou 8) pratiquement massive.
  4. Procédé selon la revendication 3,
    caractérisé en ce que
    même après la fin de la formation du bourrelet, on continue d'avancer l'outil à galets de préformage (9) pour compacter la matière.
  5. Procédé selon l'une des revendications 1 à 4,
    caractérisé en ce que
    la vitesse d'avance axiale de l'outil à galets de préformage (9) est de l'ordre de grandeur de 0,2 mm à 2 mm par rotation du tube ou de l'outil à galets de préformage.
  6. Procédé selon l'une des revendications 1 à 5,
    caractérisé en ce qu'
    on fait tourner le tube (11) par rapport à l'outil à galets de préformage (9), fixe, ou on fait tourner l'outil à galets de préformage (9) par rapport au tube (11), fixe.
  7. Procédé selon la revendication 6,
    caractérisé en ce que
    les galets (13-15) de l'outil à galets de préformage (9) tournent librement et ne sont pas entraînés.
  8. Procédé selon l'une des revendications 1 à 7,
    caractérisé en ce que
    pour fabriquer la bride (5, 6, 7 ou 8) au cours de la seconde étape du procédé, on fait avancer deux galets de formage (19, 20) associés, qui s'interpénètrent, et qui dans leur position finale, délimitent un intervalle correspondant au profil de bride (5, 6, 7 ou 8), souhaité, lors de la rotation du tube (11) ou de l'outil à galets de préformage (18), contre le bourrelet (17), les galets de formage (19, 20) non entraînés tournant librement.
  9. Procédé selon la revendication 8,
    caractérisé en ce que
    les galets de formage (19, 20) sont avancés l'un par rapport à l'autre suivant un angle d'environ 45 par rapport à la paroi (1) du tube, la vitesse d'avance des galets de préformage (19, 20) étant de l'ordre de grandeur de 0,1 mm jusqu'à 1 mm par rotation du tube ou de l'outil de fabrication à galets de formage (18).
  10. Dispositif pour la fabrication d'un tube à section ronde ou ovale en tôle avec une bride réalisée en une seule pièce selon l'une des revendications 1 à 9,
    caractérisé en ce que
    l'outil à galets de préformage (9) pour la fabrication du bourrelet (17) ou l'outil à galets de préformage (18) pour la fabrication de la bride massive (5, 6, 7 ou 8) sont fixes en rotation mais coulissent radialement et axialement et un dispositif de serrage (26-31, 33-35) entraîné par un moteur, fait tourner le tube (11), ce dispositif étant bloqué axialement dans un bâti (37).
  11. Dispositif pour la fabrication d'un tube de section circulaire ou ovale, en tôle comportant une bride formée en une seule pièce selon l'une des revendications 1 à 9,
    caractérisé en ce que
    l'outil à galets de préformage (9) pour la fabrication du bourrelet (17) et l'outil à galets de préformage (18) pour la fabrication de la bride massive (5, 6, 7 ou 8) sont installés sur un plateau rotatif (43) qui tourne sur le bâti (37) en étant entraîné par un moteur, et coulissent radialement et axialement alors que le dispositif de serrage (26, 29-31, 33-35) du tube (11) est bloqué en rotation et en coulissement axial sur le bâti (37).
  12. Dispositif selon la revendication 10 ou 11,
    caractérisé en ce que
    l'outil de roulage de préformage (9) pour la fabrication du bourrelet (17) se compose de trois galets de formage (13, 14, 15) disposés suivant une forme de T, s'interpénétrant, et pouvant coulisser les uns par rapport aux autres, et parmi ces galets,
    le premier galet (13) peut être appliqué contre la surface de paroi intérieure (1a) du tube (11) par un segment cylindrique (13a),
    le second galet (15) comporte dans la zone supérieure, un segment cylindrique (15a) applicable contre la surface de paroi extérieure (1b) du tube (11) et après ce segment, il a une rainure annulaire (15b) à section sensiblement en forme de quart de cercle, et le troisième galet (14) comporte une rainure annulaire (14a) de section sensiblement semi-circulaire,
    les galets (13, 14, 15) sont disposés et dimensionnés pour que les axes (13c, 15d) du premier et du second galet (13, 15) soient parallèles et que l'axe (14b) du troisième galet (14) soit perpendiculaire à la paroi (1) du tube et, en position finale, ils viennent s'appliquer les uns contre les autres en formant une cavité de réception à section sensiblement circulaire, ayant en direction de la paroi (1) du tube, un intervalle de réception (12) dont la largeur correspond à l'épaisseur de la paroi du tube (11).
  13. Dispositif selon l'une des revendications 10 à 12,
    caractérisé en ce que
    l'outil à galets de formage de finition de la bride massive (5, 6, 7 ou 8) se compose de deux galets de formage (19, 20), qui peuvent avancer l'un vers l'autre et en biais contre la paroi (1) du tube, en s'interpénétrant, et en ayant une rainure annulaire (19a, 19b ; 20a, 20b) à section sensiblement en forme de V, cette rainure étant dimensionnée et disposée de façon qu'en position finale, elle forme un volume de réception qui correspondant au profil de la bride (5, 6, 7 ou 8), et présente en direction de la paroi (1) du tube, un intervalle de réception (21) de largeur correspondant à l'épaisseur de paroi du tube (11).
  14. Dispositif selon l'une des revendications 10 à 13,
    caractérisé en ce que
    l'outil à galets de préformage (9) pour la formation du bourrelet (17) et l'outil à galets de finition (18) pour la réalisation de la bride (5, 6, 7 ou 8) sont installés respectivement sur un chariot porte-outil (24, 25) mobile sur des rails de guidage (36), transversalement à l'axe (11d) du tube.
  15. Dispositif selon la revendication 14,
    caractérisé en ce que
    le chariot de l'outil (24, 25) est actionné par un moteur électrique, un moyen pneumatique ou un moyen hydraulique à l'aide de broches d'actionnement (32), de transmissions à crémaillère ou de poussoirs.
  16. Dispositif selon l'une des revendications 10 à 15,
    caractérisé en ce que
    l'outil à galets de préformage (9) pour former le bourrelet (17) et l'outil à galets de formage de finition (18) pour terminer la bride (5, 6, 7 ou 8) sont installés chacun au niveau de son chariot, dans la direction de la paroi (1) du tube, de façon à être coulissés par un moteur, un moyen pneumatique ou un moyen hydraulique.
  17. Dispositif selon l'une des revendications 10 à 16,
    caractérisé en ce que
    le dispositif de serrage du tube (11) se compose d'un arbre central creux (26), dont l'extrémité pénétrant radialement dans le tube (11) comporte un disque de serrage (31) portant des mors coulissant radialement par rapport à la paroi (1) du tube et qui peuvent avancer à l'aide d'un cône de serrage (35) entre les extrémités des mors intérieurs (34a), ce cône de serrage (35) étant porté à l'extrémité d'une barre de traction (29) traversant l'arbre creux (26).
  18. Dispositif selon la revendication 17,
    caractérisé en ce que
    les mors (34) ont une forme de segment de cercle et leurs extrémités intérieures (34a) tournées l'une vers l'autre ont des surfaces en biais s'appliquant sous l'effet d'un ressort de rappel précontraint contre le cône de serrage (35) munis de plusieurs arêtes.
  19. Dispositif selon l'une des revendications 10 à 16,
    caractérisé en ce que
    le dispositif de serrage du tube (11) se compose d'un disque élastique (48) déformable élastiquement, ayant un diamètre légèrement supérieur au diamètre intérieur du tube (11), et s'appuyant sur une plaque de fixation (53) opposée reliée à l'arbre creux central (26) et dont la largeur libre est reliée à la barre de traction (29) traversant l'arbre creux (26).
  20. Dispositif selon la revendication 19,
    caractérisé en ce que
    le disque élastique (48) est de forme conique, subdivisé par des fentes (49) en doigts de serrage (50), radiaux.
  21. Dispositif selon l'une des revendications 17 à 20,
    caractérisé en ce qu'
    un vérin hydraulique ou pneumatique (30) est relié à l'extrémité de la barre de traction (29) à l'opposé du cône de serrage (35) ou du disque élastique (48).
  22. Dispositif selon l'une des revendications 17 à 21 et la revendication 10,
    caractérisé en ce qu'
    un moteur (28) est relié par un pignon denté (28a, 28b, 28c), une transmission à roue à chaîne ou une transmission à courroie crantée, à l'extrémité de l'arbre (26), à l'opposé du disque de serrage (33) ou du disque élastique (48), l'arbre creux (26) étant monté de préférence dans des galets coniques (27a).
  23. Dispositif selon l'une des revendications 17 à 21 combinée à la revendication 11,
    caractérisé en ce que
    l'arbre creux (26) est relié solidairement en rotation au bâti (37) alors que le plateau rotatif (43) avec l'outil à galets (9, 18) pour la réalisation du bourrelet et la fabrication de la bride (5, 6, 7 ou 8), est entraîné à rotation autour de l'arbre creux (26) par un entraînement par moteur (45, 45a).
  24. Dispositif selon l'une des revendications 17 à 23,
    caractérisé en ce que
    le côté extérieur du tube (11), à hauteur du disque de serrage ou du disque élastique (48) comporte une bague de fixation antagoniste, (46) dont le diamètre extérieur du tube correspondant au diamètre intérieur.
  25. Dispositif selon la revendication 24,
    caractérisé en ce que
    la bague de fixation antagoniste (46) se compose de deux parties (46a, 46b) vissées l'une à l'autre et reliées solidairement entre elles et au tube (11) lorsqu'il est repoussé.
  26. Dispositif pour former simultanément les brides aux deux extrémités d'un tube (11) selon l'une des revendications 10 à 25,
    caractérisé en ce que des unités de formage (38) se faisant face et associées à chaque extrémité de tube et composées chacune d'un outil à galets de préformage pour la fabrication du bourrelet dans un bâti (39) de préférence horizontal, sont associées à un outil à galets de formage pour le travail de finition de la bride et à un dispositif de serrage, et
    au moins une unité de formage (38) est mobile dans la direction axiale du tube (11).
  27. Dispositif selon l'une des revendications 10 à 26,
    caractérisé par
    un circuit programmé pour commander les entraînements, les vannes ou unités analogues selon le déroulement prédéfini du procédé de fabrication.
EP06754624A 2005-07-08 2006-06-29 Procede et dispositif pour former en une piece un rebord a l'extremite d'un tube cylindrique ou ovale en tole a paroi mince et tube fabrique selon ledit procede Active EP1901863B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06754624T PL1901863T3 (pl) 2005-07-08 2006-06-29 Sposób i urządzenie do integralnego formowania kołnierza na końcu okrągłej lub owalnej rury z cienkościennej blachy oraz rura wytworzona tym sposobem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005032350A DE102005032350A1 (de) 2005-07-08 2005-07-08 Verfahren und Vorrichtung zum einstückigen Anformen eines Flansches am Ende eines runden oder ovalen Rohres aus dünnwandigem Blech sowie nach dem Verfahren hergestelltes Rohr
PCT/EP2006/006311 WO2007006424A1 (fr) 2005-07-08 2006-06-29 Procede et dispositif pour former en une piece un rebord a l'extremite d'un tube cylindrique ou ovale en tole a paroi mince et tube fabrique selon ledit procede

Publications (2)

Publication Number Publication Date
EP1901863A1 EP1901863A1 (fr) 2008-03-26
EP1901863B1 true EP1901863B1 (fr) 2009-03-11

Family

ID=36999896

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06754624A Active EP1901863B1 (fr) 2005-07-08 2006-06-29 Procede et dispositif pour former en une piece un rebord a l'extremite d'un tube cylindrique ou ovale en tole a paroi mince et tube fabrique selon ledit procede

Country Status (9)

Country Link
US (1) US7908898B2 (fr)
EP (1) EP1901863B1 (fr)
AT (1) ATE424946T1 (fr)
DE (2) DE102005032350A1 (fr)
DK (1) DK1901863T3 (fr)
ES (1) ES2319815T3 (fr)
PL (1) PL1901863T3 (fr)
PT (1) PT1901863E (fr)
WO (1) WO2007006424A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010011809B4 (de) * 2010-03-18 2013-11-14 Leifeld Metal Spinning Ag Verfahren und Drückwalz- und Profiliermaschine zum Herstellen eines rotationssymmetrischen Werkstückes sowie Profilrolle hierfür
KR101506797B1 (ko) * 2013-08-07 2015-03-27 제주대학교 산학협력단 관 플랜징 방법
CN104416090A (zh) * 2013-08-26 2015-03-18 美的集团股份有限公司 金属容器的翻边的加工方法
EP3159068B1 (fr) * 2015-10-20 2018-02-14 Leifeld Metal Spinning AG Banc de formage de pression/d'emboutissage et procede de pression/d'emboutissage
CN108909019B (zh) * 2018-08-08 2024-03-08 华北理工大学 纤维板桶封底设备
CN110732847B (zh) * 2019-10-29 2021-10-22 浙江飞剑工贸有限公司 一种保温杯大宽口内胆的制作工艺

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GB235979A (en) * 1924-04-05 1925-07-02 Buncher & Haseler Ltd Improvements in or relating to cooking or like utensils
US1807531A (en) * 1929-08-07 1931-05-26 Kellogg M W Co Pipe flanging and upsetting machine
DE649671C (de) * 1936-05-23 1937-08-31 Josef Schmalzeder Erben Verfahren zur Herstellung von Metallspinnspulen
US2469775A (en) * 1944-07-20 1949-05-10 Curtiss Wright Corp Apparatus for rolling flanges on tubes
US3015294A (en) * 1955-07-22 1962-01-02 Lyon Inc Method of making wheel covers
US3324696A (en) * 1964-11-18 1967-06-13 John W Mcdonald Flange turning machine
GB1344066A (en) * 1970-08-04 1974-01-16 Secr Defence Metal working
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DD208563A1 (de) * 1982-07-26 1984-04-04 Meissen Turbowerke Verfahren und einrichtung zur herstellung von rotationssymmetrischen aufweitungen oder festflanschen an rohrfoermigen teilen
US4578007A (en) * 1982-09-29 1986-03-25 Aluminum Company Of America Reforming necked-in portions of can bodies
JP2576530B2 (ja) * 1987-10-13 1997-01-29 アイシン精機株式会社 転造ローラによるフランジ成形方法
US4862719A (en) * 1988-01-20 1989-09-05 Comeq, Inc. Cylinder flanging machines
JPH02178523A (ja) * 1988-12-28 1990-07-11 Toyotomi Kogyo Co Ltd 油タンクの組立構造
WO1998006521A1 (fr) * 1996-08-14 1998-02-19 Wf-Maschinenbau Und Blechformtechnik Gmbh & Co. Kommanditgesellschaft Procede et dispositif de fabrication d'une partie d'engrenage a denture exterieure
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DE10047310A1 (de) * 2000-09-25 2002-05-02 Meinig Metu System Verfahren und Vorrichtung zum Anformen eines Flansches oder Bordes am Ende eines Rohres aus Blech
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DE10215112C1 (de) * 2002-04-05 2003-09-25 Meinig Metu System Stossverbindung zwischen zwei Rohrabschnitten aus Blech und Verfahren zu deren Herstellung

Also Published As

Publication number Publication date
PT1901863E (pt) 2009-03-31
ES2319815T3 (es) 2009-05-12
PL1901863T3 (pl) 2009-07-31
US20080216539A1 (en) 2008-09-11
DE502006003109D1 (de) 2009-04-23
ATE424946T1 (de) 2009-03-15
DK1901863T3 (da) 2009-06-15
US7908898B2 (en) 2011-03-22
WO2007006424A1 (fr) 2007-01-18
EP1901863A1 (fr) 2008-03-26
DE102005032350A1 (de) 2007-01-11

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