EP0970763B1 - Dispositif de fabrication d'un tube ondulé par enroulement hélicoidal d'une mince bande ondulée - Google Patents

Dispositif de fabrication d'un tube ondulé par enroulement hélicoidal d'une mince bande ondulée Download PDF

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Publication number
EP0970763B1
EP0970763B1 EP99112526A EP99112526A EP0970763B1 EP 0970763 B1 EP0970763 B1 EP 0970763B1 EP 99112526 A EP99112526 A EP 99112526A EP 99112526 A EP99112526 A EP 99112526A EP 0970763 B1 EP0970763 B1 EP 0970763B1
Authority
EP
European Patent Office
Prior art keywords
corrugation
strip
rollers
roller
incoming
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
EP99112526A
Other languages
German (de)
English (en)
Other versions
EP0970763A2 (fr
EP0970763A3 (fr
Inventor
Hans-Georg Anton
Horst Dipl.Ing. Hahn
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.)
Fritz Hahn & Co KG GmbH
Original Assignee
Fritz Hahn & Co KG GmbH
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Filing date
Publication date
Application filed by Fritz Hahn & Co KG GmbH filed Critical Fritz Hahn & Co KG GmbH
Publication of EP0970763A2 publication Critical patent/EP0970763A2/fr
Publication of EP0970763A3 publication Critical patent/EP0970763A3/fr
Application granted granted Critical
Publication of EP0970763B1 publication Critical patent/EP0970763B1/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
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/12—Making tubes or metal hoses with helically arranged seams
    • B21C37/124—Making tubes or metal hoses with helically arranged seams the tubes having a special shape, e.g. with corrugated wall, flexible tubes

Definitions

  • the invention relates to a device for producing a Corrugated tube by winding a thin spiral corrugated band, the waves of which run in the longitudinal direction of the band, at least one wave of the incoming band into one Shaft of the previously generated tape roll is inserted and where one of the nested waves is deformed consisting of a winding device from circular on Outer circumference of the support rollers arranged to be wound, from an inner and an outer, at the entry point of the Band arranged in the winding device, on the broad sides attacking the tape, inserting the incoming tape into the previously created tape wrap and the mutual Connection and deformation of the one causing a shaft Connecting rollers, from a distance in front of the connecting rollers arranged drive roller pair, from a between Connecting rollers and drive rollers arranged band guide and from a arranged between the tape guide and connecting rollers Bending roller.
  • Such generic devices are, for example, from German Patent 3,022,575.3, European Patent 0 182 001 or German patent 35 40 125.
  • the individual To connect the windings of the tape winding to one another for example by pressing down in places, by omega-shaped Deform a rotating shaft or the like more, the type of connection according to the Intended use of the corrugated pipe and the starting strip material can be different.
  • corrugated pipes produced in this way can be used for Transport be compressed so that their length is clear is reduced. So compressed at the place of use Corrugated pipes are pulled apart again.
  • the press shoulders each advantageously have an outer, the Press shoulder protruding, the trough of the connecting roller adjacent wave tip.
  • the shaft tip preferably projects approximately to the middle of the wave.
  • the press shoulder is advantageous Wave tip about half the wave width.
  • the press shoulder is curved in the adjacent one Wavy crest of the connecting roller formed continuously.
  • the press shoulder is advantageously curved into the shaft tip temporarily trained.
  • the bending roller has such a wave profile that the width of the waves to be connected and deformed is halved.
  • the band guide preferably has interacting with one another Pairs of rollers.
  • FIG. 1 to 3 there is a device for manufacturing of a corrugated tube by helically winding one thin corrugated tape, preferably a metal tape, the Waves run in the longitudinal direction of the tape, with at least one Wave of the incoming band into a wave of the preceding generated tape reel is inserted and one of the interlaced waves is deformed from a Winding device 1 from circular on the outer circumference winding tube 2 arranged support rollers 3 (Fig. 1) and out an inner connecting roller 4 and an outer Connecting roller 5.
  • the inner and outer connecting roller 4 and 5 are at the entry point of a corrugated belt 6 in the Winding device 1 arranged, the inner Connection roller 4 is arranged within the winding device and the outer connecting roller 5 with a larger diameter is arranged outside the winding device.
  • the Connecting rollers 4 and 5 engage on the broad sides of the belt 6 and cause the insertion of the incoming band 6 in the previously generated tape roll 2 and also the mutual connection and deformation of one shaft.
  • FIGS. 4 and 5 show, the outer connecting roller 5 one with the wave profile of the incoming band 6 matching wave profile.
  • the inner connecting roller 4 has however, a slightly higher wave profile (larger amplitude) than that incoming tape 6.
  • Figures 4 and 5 further show that the Corrugated valleys 12 assigned to the outer connecting roller 5 Waves 13 of the inner connecting roller 4 the same Have radius of curvature like that of the incoming band 6. It is the thickness of the lying between the connecting rollers 4 and 5 Volume 6 and the tape winding taken into account.
  • the assigned to the wave crests 14 of the outer connecting roller 5 Troughs 15 of the inner connecting roller 4 a little larger radius of curvature than that of the incoming tape.
  • FIGS. 4 and 5 that in A small area of the wave valleys 15 or wave crests 14 Space remains.
  • the angle of the wave flanks the wave crests 13 of the inner connecting roller 4 somewhat smaller than the angle of the troughs 12 of the outer connecting roller 5.
  • Figures 4 and 5 further show that the inner and outer Connecting roller 4 and 5 in the area to be connected and deforming shaft 16 each approximately below the shaft center (below half the amplitude) diametrically opposite each other opposite, an approximately square deformation space 17th have forming press shoulders 18.
  • the press shoulders 18 have each an outer, the press shoulder protruding, the Trough 12, 15 of the respective connecting roller 5, 4 adjacent Wave tip 19, which approximately to the middle of the wave (half amplitude) protrudes.
  • the press shoulders 18 go curved in the neighboring Wellenberg 14, 13 over.
  • the deformation space 17 thus formed is roughly square. Its side length corresponds approximately to one half wave width of a wave crest and a wave trough.
  • the bending roller 11 Wave width of the wave 16 to be connected and deformed tapered band 6 approximately halved and so the connecting rollers 4th and 5 fed. This is possible because of the higher position the bending roller 1 and the tension of the belt 6 between the Connection rollers 4 and 5 and the drive rollers 7 and 8 a appropriate force can be exerted on the tape.
  • this is the end Band 6 exactly in the profile identical to the profile of the band the outer connecting roller 5 inserted.
  • the higher (larger amplitude) and slimmer profile of the inner Connecting roller 4 then press the crests 13 of the inner Connection roller 4 the incoming band 6 firmly in the troughs 12 of the outer connecting roller 5, so that the incoming tape over the entire profile in the previously generated Tape wrap lies. This results in one over the entire profile uniform and firm contact of the superimposed ones Windings.
  • the deformed Wave 16 in the middle between Wellenberg and Wellental (half Amplitude). 7 shows, when compressing the Corrugated pipe to about a third of its production length Fig. 6 put the wave edges together.
  • the deformed shaft 16 in the middle between Wellenberg and This results in a symmetrical and even wave trough Loading the waves.
  • the Wave tips 19 cause a predetermined bending point, so that the deformed shaft 16 is loaded little or not at all.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Catalysts (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Making Paper Articles (AREA)

Claims (8)

  1. Dispositif de fabrication d'un tube ondulé (2) par enroulement hélicoïdal d'une mince bande ondulée, dont les ondulations s'étendent dans la direction longitudinale de la bande, dans lequel au moins une ondulation de la bande amenée (6) est insérée dans une ondulation de l'enroulement de bande généré précédemment et dans lequel l'une des ondulations interpénétrées est mise en forme, ledit dispositif se composant
    d'un dispositif d'enroulement (1) constitué de rouleaux de support (3) agencés circulairement à la périphérie extérieure du tube à enrouler (2),
    de rouleaux de liaison (4, 5), un intérieur et un extérieur, agencés à l'endroit d'introduction de la bande dans le dispositif d'enroulement, s'engageant avec les côtés larges de la bande, provoquant l'introduction de la bande amenée dans l'enroulement de bande généré précédemment et la liaison et la mise en forme mutuelle de l'une des ondulations,
    d'une paire de rouleaux (7, 8) agencée à distance en amont des rouleaux de liaison,
    d'un guide de bande agencé entre les rouleaux de liaison et les rouleaux d'entraínement, et
    d'un rouleau de pliage (11) agencé entre le guide de bande et les rouleaux de liaison,
    caractérisé en ce que le rouleau de liaison extérieur (5) a un profil d'ondulation correspondant au profil d'ondulation de la bande amenée (6), en ce que le rouleau de liaison intérieur (4) a un profil d'ondulation légèrement plus haut que la bande amenée, les maximums d'ondulation (13) dudit rouleau de liaison intérieur associés aux minimums d'ondulation (12) du rouleau de liaison extérieur (5) ayant un rayon de courbure égal à celui de la bande amenée et les minimums d'ondulation (15) dudit rouleau de liaison intérieur associés aux maximums d'ondulation (14) du rouleau de liaison extérieur (5) ayant un rayon de courbure légèrement supérieur à celui de la bande amenée, et en ce que les rouleaux intérieur et extérieur comportent des épaulements de pressage (18) diamétralement opposés et formant un espace de mise en forme sensiblement carré (17) dans la région de l'ondulation (16) à relier et à mettre en forme, à chaque fois légèrement au-dessous du milieu de l'ondulation.
  2. Dispositif selon la revendication 1, caractérisé en ce que les épaulements de pressage (18) comportent chacun un sommet d'ondulation extérieur (19) saillant au-dessus de l'épaulement de pressage et adjacent au minimum d'ondulation du rouleau de liaison (12, 15).
  3. Dispositif selon la revendication 2, caractérisé en ce que le sommet d'ondulation (19) s'élève sensiblement jusqu'au milieu de l'ondulation.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que la largeur de l'épaulement de pressage (18) doté d'un sommet d'ondulation (19) est sensiblement égale à la moitié de la largeur d'ondulation.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que l'épaulement de pressage (18) est conformé pour être incurvé et se fondre dans le maximum d'ondulation adjacent (14, 13) du rouleau de liaison (5, 4).
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que l'épaulement de pressage (18) est conformé pour être incurvé et se fondre dans le sommet d'ondulation (19).
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que le rouleau de pliage (11) a un profil d'ondulation tel que la largeur de l'ondulation (16) à relier et à mettre en forme est divisée en deux.
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que le guide de bande comporte des paires de rouleaux (9, 10) coopérant entre elles.
EP99112526A 1998-07-08 1999-07-01 Dispositif de fabrication d'un tube ondulé par enroulement hélicoidal d'une mince bande ondulée Expired - Lifetime EP0970763B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19830401A DE19830401C1 (de) 1998-07-08 1998-07-08 Vorrichtung zum Herstellen eines Wellrohres durch schraubenlinienförmiges Wickeln eines dünnen gewellten Bandes
DE19830401 1998-07-08

Publications (3)

Publication Number Publication Date
EP0970763A2 EP0970763A2 (fr) 2000-01-12
EP0970763A3 EP0970763A3 (fr) 2001-05-09
EP0970763B1 true EP0970763B1 (fr) 2003-04-02

Family

ID=7873272

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99112526A Expired - Lifetime EP0970763B1 (fr) 1998-07-08 1999-07-01 Dispositif de fabrication d'un tube ondulé par enroulement hélicoidal d'une mince bande ondulée

Country Status (5)

Country Link
EP (1) EP0970763B1 (fr)
AT (1) ATE235973T1 (fr)
DE (2) DE19830401C1 (fr)
ES (1) ES2194404T3 (fr)
PT (1) PT970763E (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013013735B4 (de) 2013-08-21 2018-12-27 Fritz Hahn Gmbh & Co. Kg Vorrichtung und Verfahren zur Herstellung eines Wickelfalzrohres sowie ein mit der Vorrichtung und nach dem Verfahren aus einem profilierten Metallband hergestelltes Wickelfalzrohr
CN106180328A (zh) * 2016-07-20 2016-12-07 江苏龙胜机床制造有限公司 一种环形金属波纹管成型机床

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3863480A (en) * 1973-08-28 1975-02-04 Johns Manville Apparatus for forming corrugated strip material into helically wound tubing
DE3022575C3 (de) * 1980-06-16 1996-11-28 Hahn Fritz Gmbh Co Kg Vorrichtung zum Herstellen von Rohren durch schraubenlinienförmiges Wickeln eines vorzugsweise gewellten Bandes
DE3441565A1 (de) * 1984-11-14 1986-05-15 Fritz Hahn Kg, 5500 Trier Verfahren und vorrichtung zum herstellen eines flexiblen wellrohres sowie nach dem verfahren hergestelltes flexibles wellrohr
DE3540125C3 (de) * 1985-11-13 1997-05-07 Hahn Fritz Gmbh Co Kg Verfahren und Vorrichtung zum Herstellen eines Wellrohres durch schraubenlinienförmiges Wickeln eines gewellten, dünnen Bandes, vorzugsweise eines Stahlbandes

Also Published As

Publication number Publication date
ES2194404T3 (es) 2003-11-16
ATE235973T1 (de) 2003-04-15
DE59904810D1 (de) 2003-05-08
PT970763E (pt) 2003-08-29
DE19830401C1 (de) 1999-10-14
EP0970763A2 (fr) 2000-01-12
EP0970763A3 (fr) 2001-05-09

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