WO2015024548A2 - Dispositif et procédé de production d'un tube à agrafage en hélice et tube à agrafage en hélice produit à l'aide dudit dispositif et selon ledit procédé à partir d'une bande métallique profilée - Google Patents

Dispositif et procédé de production d'un tube à agrafage en hélice et tube à agrafage en hélice produit à l'aide dudit dispositif et selon ledit procédé à partir d'une bande métallique profilée Download PDF

Info

Publication number
WO2015024548A2
WO2015024548A2 PCT/DE2014/000412 DE2014000412W WO2015024548A2 WO 2015024548 A2 WO2015024548 A2 WO 2015024548A2 DE 2014000412 W DE2014000412 W DE 2014000412W WO 2015024548 A2 WO2015024548 A2 WO 2015024548A2
Authority
WO
WIPO (PCT)
Prior art keywords
metal strip
fold
profile
edge bead
profiled
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.)
Ceased
Application number
PCT/DE2014/000412
Other languages
German (de)
English (en)
Other versions
WO2015024548A3 (fr
Inventor
Horst Hahn
Hans-Georg Anton
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
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 Fritz Hahn & Co KG GmbH filed Critical Fritz Hahn & Co KG GmbH
Publication of WO2015024548A2 publication Critical patent/WO2015024548A2/fr
Publication of WO2015024548A3 publication Critical patent/WO2015024548A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B21C37/121—Making tubes or metal hoses with helically arranged seams with seams being neither welded nor soldered
    • 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
    • B21C37/126—Supply, or operations combined with supply, of strip material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
    • F16L9/165—Rigid pipes wound from sheets or strips, with or without reinforcement of metal

Definitions

  • the present invention relates to a device for
  • the winding device comprises a plurality of arranged on the outer circumference of the tube to be wound support rollers, one inner and one outer, at the inlet point of the tape in the
  • Winder arranged connecting roller, a spaced before the connecting rollers feed roller pair, arranged between the connecting rollers and the feed roller pair tape guide, arranged between the tape guide and the connecting rollers pressure roller and a further tape guide, which is arranged in front of the feed roller pair.
  • Spiral ducts are widely used in ventilation technology and are used there as flexible or rigid pipes in a variety of ways. Winding a sheet metal strip into a pipe is a common technique. Generic devices for producing such Windelfalzrohre are known from DE 30 22 575 C3, EP 0 182 001 Bl, DE 35 40 125 C3 or DE 198 30 401 Cl.
  • the object of the present invention is to provide an apparatus and a method by means of which rigid spiral ducts with different diameters can be produced quickly and inexpensively.
  • the task is solved by providing a
  • Metal bands are suitable.
  • the object is further achieved by the use of a profiled metal strip, which has only smooth straight surfaces, wherein the angles are held so that a dense stacking and rolling of the metal bands is made possible.
  • Windelfalzrohres by helically winding a profiled metal strip from a winding device with circular on the outer circumference of the tube to be wound
  • Winding device arranged connecting roller, one arranged at a distance in front of the connecting rollers
  • the pair of intake rollers is adapted to the profiled metal band, which has a lateral fold and an edge thickness, and thereby as a profiling tool with a profile
  • a profiled metal strip is used whose profile is formed in an advantageous embodiment so that after the profiling of the flat starting band
  • the profiled metal strip has a lateral fold formed as a right-angled isosceles triangle and an edge bead which is designed as a trapezoidal depression with an opening angle of 130 ° to 140 °, preferably approximately 135 °.
  • the metal strip, the support angle for the fold and the edge thickness are respectively 40 to 50 °, preferably about 45 °, so that a particularly dense stacking and rolling of the metal strip without problems by jamming or slipping is possible.
  • the metal strip After deformation, the metal strip is guided over a tape guide to the connecting rollers, wherein a pressure roller and a guide pin is passed.
  • the pressure roller ensures that the lateral fold of the metal strip folds over when connecting the endless belt to the right side.
  • the tube winding machine is on the opposite side to the pressure roller between
  • An advantageous embodiment of the guide pin provides that it tapers conically at its insert tip and is designed quasi as a set screw, with which the back pressure can be adjusted.
  • the pair of connecting rollers is at the inlet of the
  • Metal band arranged in the winding device and consists of a larger outer connecting roller and a
  • Connecting rollers are designed so that the seam after joining completely on the outside of the
  • the profile of the connecting rollers is adapted to the profile of the metal strip, wherein the inner and outer connecting rollers each have on their outer circumference a the fold of the band adapted profile and the outer
  • the edge thickness of the band has adapted profile, which is formed in a preferred embodiment as a rectangular depression. Is laterally offset in the middle of the rectangular recess and / or in the outer roller
  • a further advantageous embodiment of the profiled connecting rollers provides that the profile adapted to the rebate is provided with an in-mold at the outer circumference of the connecting rollers
  • the subject of the present invention is also a method for producing a rigid Wickelfalzrohres by
  • the smooth metal strip is profiled. Subsequently, the metal strip is further deformed during insertion into the tube winding machine. The deformed metal strip is precessed by means of a pressure roller and a guide pin and finally over
  • the present invention furthermore relates to a profiled metal strip which has in each case a lateral fold and an edge bead, the fold being a right-angled isosceles triangle and the edge bead being a trapezoidal depression having an opening angle of 130 ° to 140 °,
  • Support angle for the fold and the edge thickness each 40 ° to 50 °, preferably about 45 °, amount.
  • Another object of the present invention is produced in the device according to the invention.
  • Windelfalzrohr whose inner wall has a smooth surface.
  • Fig. 1 is a schematic section in the direction of
  • Fig. 3 each have a radial and an axial section through the
  • Fig. 4 each have a radial and an axial section through the
  • Fig. 5 is a sectional view of the guide pin
  • Metal band (cross-section), Fig. 6 each have a radial and an axial section through the
  • Fig. 7 shows an axial section through the outer connecting roller with two additional, enlarged
  • Fig. 8 shows the schematic sequence of the folding of the
  • FIG. 1 shows, in a sectional view, the device 1 according to the invention for producing a rigid spiral-folded tube, the section being cut in the direction of the FIG
  • the profiled strip 6 is guided by a coil or directly from a profiling plant via a strip guide 12, 13, which consists of two pairs of rolls 12, 13, to the intake roller pair 7, 8 of the tube winding machine 1.
  • a strip guide 12, 13, which consists of two pairs of rolls 12, 13, to the intake roller pair 7, 8 of the tube winding machine 1.
  • the profile of the metal strip 6 is not visible. The peculiarities of the profile, however, will be discussed later, in particular on the basis of the below
  • Pressure roller 11 causes a pre-curvature the metal band 6 and the leg of the fold 19a at
  • the guide pin 14 presses against the leg of the edge bead 20a and thus causes a Vorkrümmung, whereby the correct folding of the edge bead 20a is ensured when connecting the metal strip 6. This process will be described later with reference to FIG. 5
  • the connecting roller pair 4, 5 consists of a larger outer connecting roller 5 and a smaller inner connecting roller 4, by means of which the endless metal belt 6 is connected to a tube 2.
  • the connection process itself will be explained later with reference to Figures 6 and 7 in detail. Furthermore, the connection process itself will be explained later with reference to Figures 6 and 7 in detail. Furthermore, the connection process itself will be explained later with reference to Figures 6 and 7 in detail. Furthermore, the connection process itself will be explained later with reference to Figures 6 and 7 in detail. Furthermore, the
  • Tube winding machine 1 according to the invention circular on
  • Diameter especially in the range between 80 and 300 mm can be easily realized.
  • Metal strip 6a is obtained via the intermediate stages 6b and 6c at the end of the profiled metal strip 6d in the form as it is introduced into the tube winding machine according to the invention.
  • Profile can be in a single step in one
  • profiled band 6 is lightweight and tightly stackable. This is achieved when the support angle A of the edge bead 20 and the lateral fold 19 between 40 ° and 50 °, preferably about 45 °, wherein the opening angle B is relatively flat and 130 ° to 140 °, preferably about 135 ° , is.
  • Figures 3 and 4 each show a radial and axial
  • the profile of the feed rollers 7, 8 is adapted to the profile of the metal strip 6 to be used during the winding process and has corresponding depressions and elevations in order to further deform the edge bead 20 and the fold 19 of the metal strip 6, wherein the angles favoring the stacking are changed and a Fold 19a and a rim bead 20a are formed, which are suitable to be combined and folded together during the bonding process.
  • Edge bead 20a takes place, so that the edge bead 20a folds over later in the right direction.
  • the guide pin 14 is tapered as one at its insert tip
  • the guide pin 14 is advantageously carried out adjustable, which is achieved in a particularly preferred embodiment by a thread, so that the guide pin 14 can be adjusted as a screw for Profiltechniksaufgäbe.
  • the inner and outer connecting rollers 4, 5 each have a profile adapted to the fold 19a on their outer circumference.
  • the outer connecting roller 5 additionally has on the inner circumference a rectangular depression 18 which is provided as a cavity for the folded seam 16 to be formed. Since the recess is formed only on the outer connecting roller 5, while the inner connecting roller 4 is designed as a smooth counterpart, obtained when connecting the metal strip 5, a winding tube 2, which has an inner wall 15 with a smooth surface.
  • Design of the connecting rollers 4, 5 provides that the profile 19a adapted to the profile on the outer circumference of the
  • Figure 7 shows further details of the outer connecting roller 5, wherein a rounded locking pin 17 can be seen, which protrudes in the center of the recess 18 on the bottom thereof.
  • Verrieglungsen 17 is also demonstrated by means of enlarged sections of the connecting roller 5 shown in Figure 7. It is clear that the locking pin 17 is responsible for a tight and tight compression of the seam 16, which lies completely in the recess 18, so that the inner wall 15 of the tube 2 after the
  • Folding has a smooth surface and the seam 15 is completely on the outside of the tube 2, wherein the torsional strength of the tube 2 is increased.
  • FIG. 8 shows the sequence of folding of the profiled and deformed endless belt 6 to the spiral-folded tube 2, wherein the fold 19a and the edge bead 20a of the metal strip 6 intermesh and are then folded successively, so that the

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

La présente invention concerne un dispositif (1) de production d'un tube à agrafage en hélice (2) par enroulement en hélice d'une agrafe (19) latérale profilée, et d'une bande métallique (6) présentant une moulure marginale (20).
PCT/DE2014/000412 2013-08-21 2014-08-18 Dispositif et procédé de production d'un tube à agrafage en hélice et tube à agrafage en hélice produit à l'aide dudit dispositif et selon ledit procédé à partir d'une bande métallique profilée Ceased WO2015024548A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013013735.7 2013-08-21
DE102013013735.7A DE102013013735B4 (de) 2013-08-21 2013-08-21 Vorrichtung und Verfahren zur Herstellung eines Wickelfalzrohres sowie ein mit der Vorrichtung und nach dem Verfahren aus einem profilierten Metallband hergestelltes Wickelfalzrohr

Publications (2)

Publication Number Publication Date
WO2015024548A2 true WO2015024548A2 (fr) 2015-02-26
WO2015024548A3 WO2015024548A3 (fr) 2015-04-16

Family

ID=51897015

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2014/000412 Ceased WO2015024548A2 (fr) 2013-08-21 2014-08-18 Dispositif et procédé de production d'un tube à agrafage en hélice et tube à agrafage en hélice produit à l'aide dudit dispositif et selon ledit procédé à partir d'une bande métallique profilée

Country Status (2)

Country Link
DE (1) DE102013013735B4 (fr)
WO (1) WO2015024548A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100003482A1 (it) * 2021-02-16 2022-08-16 Dallan Spa Metodo di unione di lamiere metalliche e assieme laminare metallico, in particolare realizzato con tale metodo
IT202200026424A1 (it) * 2022-12-22 2024-06-22 Dallan Spa Metodo di unione di lamiere metalliche e assieme laminare metallico, in particolare realizzato con tale metodo

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3540125C2 (fr) 1985-11-13 1989-04-20 Fritz Hahn Kg, 5500 Trier, De
EP0182001B1 (fr) 1984-11-14 1989-10-11 Fritz Hahn GmbH & Co. KG Procédé et appareil pour la fabrication d'un tube ondulé flexible ainsi que tube ondulé flexible obtenu par ce procédé
DE3022575C2 (fr) 1980-06-16 1992-03-05 Fritz Hahn Gmbh & Co Kg, 5500 Trier, De
DE19830401C1 (de) 1998-07-08 1999-10-14 Hahn Fritz Gmbh Co Kg Vorrichtung zum Herstellen eines Wellrohres durch schraubenlinienförmiges Wickeln eines dünnen gewellten Bandes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI45418C (fi) * 1968-06-07 1972-06-12 Malkki Eino Kone kierresaumatun putken valmistamiseksi.
FI57221C (fi) * 1971-02-09 1980-07-10 Nokia Oy Ab Foerstyvat med falssoem foersett av ett metallband tillverkat spiralsoemmat roer och maskin foer tillverkning av dylikt roer
DE2250239C3 (de) * 1972-10-13 1980-09-11 Silo Verfahrens Ag, Zug (Schweiz) Maschine zum Herstellen eines Rohres großen Durchmessers, insbesondere eines Silos
DE2829283C2 (de) * 1978-07-04 1986-01-02 Westaflexwerk GmbH & Co KG, 4830 Gütersloh Verfahren zur Herstellung schraubenförmig gewickelter und gerillter Rohre sowie Werkstück und Rohr nach diesem Verfahren
DK1015145T3 (da) * 1995-03-08 2003-04-07 Protol Ag Fremgangsmåde og anordning til fremstilling af spiralfalsede rør
KR101226112B1 (ko) * 2010-09-27 2013-01-24 주식회사 픽슨 락심을 이용한 내부 평활관과 그 제조장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3022575C2 (fr) 1980-06-16 1992-03-05 Fritz Hahn Gmbh & Co Kg, 5500 Trier, De
EP0182001B1 (fr) 1984-11-14 1989-10-11 Fritz Hahn GmbH & Co. KG Procédé et appareil pour la fabrication d'un tube ondulé flexible ainsi que tube ondulé flexible obtenu par ce procédé
DE3540125C2 (fr) 1985-11-13 1989-04-20 Fritz Hahn Kg, 5500 Trier, De
DE19830401C1 (de) 1998-07-08 1999-10-14 Hahn Fritz Gmbh Co Kg Vorrichtung zum Herstellen eines Wellrohres durch schraubenlinienförmiges Wickeln eines dünnen gewellten Bandes

Also Published As

Publication number Publication date
WO2015024548A3 (fr) 2015-04-16
DE102013013735B4 (de) 2018-12-27
DE102013013735A1 (de) 2015-02-26

Similar Documents

Publication Publication Date Title
DE102008061441B4 (de) Rohraufweitvorrichtung
DE2127750A1 (fr)
CH639182A5 (de) Verfahren zur herstellung schraubenfoermig gewickelter rohre und danach hergestelltes rohr.
EP1827727A1 (fr) Tuyau multicouche, et son procede de production
WO2017190823A1 (fr) Procédé de fabrication d'un élément de raccordement tubulaire cintré
EP3154721A1 (fr) Procédé de fabrication d'un tuyau de grand diamètre à plusieurs couches
WO2009052906A1 (fr) Procédé de fabrication d'un profilé à partir d'un feuillard métallique plat
DE102014116447A1 (de) Wellrohranordnung zur Aufnahme von Leitungen und Verfahren zur Herstellung einer solchen Wellrohranordnung
DE102013013735B4 (de) Vorrichtung und Verfahren zur Herstellung eines Wickelfalzrohres sowie ein mit der Vorrichtung und nach dem Verfahren aus einem profilierten Metallband hergestelltes Wickelfalzrohr
EP4096911A1 (fr) Dispositif de production de tubes creux, notamment de pailles, et procédé pour de tels tubes creux
EP2725272B1 (fr) Douille pour liaison inamovible, procédé de fabrication d'une douille et système comprenant une douille
DE3016719C2 (fr)
WO2000012925A1 (fr) Raccord tubulaire
DE102012019315A1 (de) Verfahren zur schnellen Herstellung eines Mehrlagenrohres
EP0985867B1 (fr) Tuyau ondulé en plastique et combinaison de ce tuyau avec un manchon
DE3204244C2 (fr)
DE3540125C2 (fr)
DE2124094B2 (de) Wellrohr aus thermoplastischem Kunststoff
DE68902423T2 (de) Schraubennahtrohre.
DE102014220725A1 (de) Kugelgewindemutter
DE19830401C1 (de) Vorrichtung zum Herstellen eines Wellrohres durch schraubenlinienförmiges Wickeln eines dünnen gewellten Bandes
DE102006031503B4 (de) Verfahren und Vorrichtung zum Biegen von Hohlprofilen mit minimalem Biegeradius
DE2008277A1 (en) Spiral grooved flexible tube mfe
DE202016101697U1 (de) Bördelrand an einem rohrförmigen Blechkörper
EP4215355A1 (fr) Dispositif de bande métallique et paroi d'un récipient, en particulier d'un silo, doté d'un tel dispositif de bande métallique hélicoïdal

Legal Events

Date Code Title Description
122 Ep: pct application non-entry in european phase

Ref document number: 14796668

Country of ref document: EP

Kind code of ref document: A2