EP0476733A2 - Dispositif de fabrication de gouttières - Google Patents

Dispositif de fabrication de gouttières Download PDF

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Publication number
EP0476733A2
EP0476733A2 EP91202113A EP91202113A EP0476733A2 EP 0476733 A2 EP0476733 A2 EP 0476733A2 EP 91202113 A EP91202113 A EP 91202113A EP 91202113 A EP91202113 A EP 91202113A EP 0476733 A2 EP0476733 A2 EP 0476733A2
Authority
EP
European Patent Office
Prior art keywords
sheet metal
rollers
metal strip
horizontal plane
stamp
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.)
Granted
Application number
EP91202113A
Other languages
German (de)
English (en)
Other versions
EP0476733A3 (en
EP0476733B1 (fr
Inventor
Peter Emmrich
Hans Marx
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.)
Rheinzink GmbH and Co KG
Original Assignee
Rheinzink GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rheinzink GmbH and Co KG filed Critical Rheinzink GmbH and Co KG
Publication of EP0476733A2 publication Critical patent/EP0476733A2/fr
Publication of EP0476733A3 publication Critical patent/EP0476733A3/de
Application granted granted Critical
Publication of EP0476733B1 publication Critical patent/EP0476733B1/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
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
    • B21D5/143—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers making use of a mandrel

Definitions

  • the invention relates to a method and a device for producing suspended roof gutters by, preferably intermittent, bending forming of sheet metal strips.
  • Forming machines are known for producing hanging roof gutters, downpipes or similar profiles from endless sheet metal strips or strips.
  • the sheet metal strips or strips are pulled in the longitudinal direction by a reciprocating pulling slide, during the backward movement of which the sheet metal strip or strips are held by a corresponding device, in the horizontal direction over a forming device and thereby gradually formed and finally in ejected the desired shape (DE-PS 10 91 518, DE-PS 11 10 597, DE-PS 11 70 891).
  • Forming machines of this type have largely proven themselves in the processing of flat sheet metal strips or strips into suspended roof gutters or similar profiles, because a relatively precise shaping to the desired profiles is achieved.
  • the desired length of the profile for example according to DE-OS 26 29 559, can be cut to length by an automatic cutting device.
  • the disadvantage is that the metal strips or strips have to be cooled and lubricated during the forming process.
  • the emulsions used for this lead to white rust formation on the surface of the finished profiles, unless special measures are taken to prevent them.
  • a bending device for the production of roof gutters from sheet metal blanks which consists of at least three axially parallel, extending over the entire length of the hanging roof gutter to be formed, supported and at least partially driven rollers, which are free and accessible from the side over the entire length of the hanging roof gutter Limit the passage gap of the adjustable minimum width for the sheet metal blank to be bent (DE-OS 29 03 990).
  • the disadvantage of this bending device can be seen in the fact that the sheet metal strips must be inserted from the long side between the rollers and thus the attachment of the bead and the water rebate can only take place after the roof gutter has been bent.
  • the invention has for its object to provide a method and a device with which sheet metal strips can be bent with a relatively low technical effort in a simple manner to hanging gutters with semicircular or box-shaped cross-section, preferably according to DIN 18461, with high surface quality and shape accuracy.
  • the device for carrying out the method according to the invention consists of two supported, preferably non-driven rollers, which are arranged next to one another in a horizontal plane and parallel to one another in the horizontal plane and are displaceable in the horizontal plane and which can be loaded with constant pressure, with axially parallel over the middle between the rollers a form stamp attached whose length corresponds at least to the length of the sheet metal strip to be deformed.
  • rollers are coupled to a drive.
  • the die for the production of semicircular suspended roof gutters has an essentially circular cross-section and a recess running over its entire length in the quadrant lying on the water seam side, into which the water seam projects when bending.
  • the die is essentially trapezoidal, with a counter-holder, which can be raised / lowered, located opposite the middle, between which the long side of the trapezoidal profile is located.
  • Appropriate shaped profiles of the form stamp can also be used to produce special gutter shapes, such as roof gutters, Berlin gutters or the like.
  • the bending forming device arranged on the base plate (1) consists of two rollers (3, 3 ') arranged in a horizontal plane to form a space (2), the ends of which are each in a bearing block (4, 4', 5, 5 ') ) are stored and which are supported on support rollers (8.8 ', 9.9', 10.10 ') mounted in fork carriers (6.6', 7.7 ').
  • the bearing blocks (4,4 ', 5,5') and the fork brackets (6,6 ', 7,7') are fastened to two brackets (11,11 ') which are mounted parallel to each other and which are mounted on the base plate (1).
  • the cross section of the substantially circular shaped punch (17) is lowered and the sheet metal strip (23) is continuously formed, the under the one generated by means of the hydraulic cylinders (14, 14 ', 15, 15') certain load standing, form-fitting against the sheet metal strip (23) rollers (3,3 ') perpendicular to their axes in the horizontal plane initially up to their maximum possible deflection in the central plane of the forming die (17) and pushed towards one another after exceeding the middle plane, so that the sheet metal strip (23) is pressed firmly against the forming die (17).
  • the water fold (22) protrudes into the recess (18) made in the upper quadrant of the mold stamp (17).
  • the rollers (3, 3 ') are moved apart, the hanging roof gutter (24) springs open, the released form stamp (17) moves up to the starting position and the one hanging with the water fold (22) in the recess (18) Finished roof gutter (24) can be removed from the form stamp (17). Since the downward movement of the molding die (17) is limited, the bead (21) and water fold (22) cannot be deformed by the rollers (3, 3 ').
  • the counter-holder (19) located below the center between the rollers (3, 3 ') prevents the sheet-metal strip (23) from bulging downward.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Sewage (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Coating With Molten Metal (AREA)
  • Making Paper Articles (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
EP91202113A 1990-09-20 1991-08-19 Dispositif de fabrication de gouttières Expired - Lifetime EP0476733B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4029723 1990-09-20
DE4029723A DE4029723A1 (de) 1990-09-20 1990-09-20 Verfahren und vorrichtung zur herstellung von haengedachrinnen

Publications (3)

Publication Number Publication Date
EP0476733A2 true EP0476733A2 (fr) 1992-03-25
EP0476733A3 EP0476733A3 (en) 1992-10-07
EP0476733B1 EP0476733B1 (fr) 1996-11-27

Family

ID=6414568

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91202113A Expired - Lifetime EP0476733B1 (fr) 1990-09-20 1991-08-19 Dispositif de fabrication de gouttières

Country Status (7)

Country Link
EP (1) EP0476733B1 (fr)
AT (1) ATE145572T1 (fr)
CS (1) CS285991A3 (fr)
DE (2) DE4029723A1 (fr)
DK (1) DK0476733T3 (fr)
HU (1) HU210397B (fr)
YU (1) YU138191A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003041886A1 (fr) * 2001-09-27 2003-05-22 Ortic Ab Procede de cintrage de toles de toit metallique et appareil de cintrage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB313328A (en) * 1928-06-29 1929-06-13 Thomas Andrew Hayward Improvements in or relating to tubes
DE650499C (de) * 1935-07-28 1937-09-24 Georg Eichner Werkzeugsatz zur handwerksmaessigen Herstellung von Dachrinnen
DE2631219C3 (de) * 1976-07-12 1986-10-23 Theodor Fricke GmbH & Co, 4402 Greven Verfahren zum Herstellen von Dachrinnen und Vorrichtung zur Durchführung dieses Verfahrens
CA1119469A (fr) * 1979-10-09 1982-03-09 George R. Usher Installation et methode de faconnage de tubes a couture

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003041886A1 (fr) * 2001-09-27 2003-05-22 Ortic Ab Procede de cintrage de toles de toit metallique et appareil de cintrage
CZ299155B6 (cs) * 2001-09-27 2008-05-07 Ortic Ab Zpusob a zarízení pro ohýbání kovových dílcu
KR100882374B1 (ko) 2001-09-27 2009-02-05 오르틱 아베 금속 루핑 시트를 구부리는 방법 및 굽힘 장치

Also Published As

Publication number Publication date
CS285991A3 (en) 1992-04-15
EP0476733A3 (en) 1992-10-07
HU210397B (en) 1995-04-28
DE59108375D1 (de) 1997-01-09
YU138191A (sh) 1995-03-27
DK0476733T3 (da) 1996-12-16
ATE145572T1 (de) 1996-12-15
HUT59997A (en) 1992-07-28
DE4029723A1 (de) 1992-03-26
EP0476733B1 (fr) 1996-11-27
HU913008D0 (en) 1992-01-28

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