EP0397223B1 - Heizkörperhaltering und Verfahren und Matrize zur Herstellung dieses Halterings - Google Patents

Heizkörperhaltering und Verfahren und Matrize zur Herstellung dieses Halterings Download PDF

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Publication number
EP0397223B1
EP0397223B1 EP90200263A EP90200263A EP0397223B1 EP 0397223 B1 EP0397223 B1 EP 0397223B1 EP 90200263 A EP90200263 A EP 90200263A EP 90200263 A EP90200263 A EP 90200263A EP 0397223 B1 EP0397223 B1 EP 0397223B1
Authority
EP
European Patent Office
Prior art keywords
ring
core
diameter
external
internal
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
EP90200263A
Other languages
English (en)
French (fr)
Other versions
EP0397223A3 (de
EP0397223A2 (de
Inventor
Robert Vaessen
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.)
ROFIX NV
Original Assignee
ROFIX NV
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 ROFIX NV filed Critical ROFIX NV
Priority to AT90200263T priority Critical patent/ATE95451T1/de
Publication of EP0397223A2 publication Critical patent/EP0397223A2/de
Publication of EP0397223A3 publication Critical patent/EP0397223A3/de
Application granted granted Critical
Publication of EP0397223B1 publication Critical patent/EP0397223B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
    • 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
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • 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
    • B21D53/00—Making other particular articles
    • B21D53/16—Making other particular articles rings, e.g. barrel hoops
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0035—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for domestic or space heating, e.g. heating radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2240/00—Spacing means

Definitions

  • the invention relates to a method for manufacturing a support ring by which it is possible to fix supply and evacuation pipes by butt welds to the heating radiators.
  • the invention also relates to a matrix for the manufacture of said support ring, as well as a support ring obtained by said method.
  • a support ring formed of two unequal rings, each provided with recesses, thicknesses and channels and whose thicknesses of one of the rings fit axially in the recesses in the other ring and where channels are formed which are arranged radially in the support ring thus formed.
  • a matrix is produced for the application of said method, as described in claim 4.
  • the support ring 1 consists of an inner ring 2 folded with a flat steel strip and a larger outer ring 3 also folded with a steel strip dish.
  • this steel strip are punched holes 4 which are oriented diametrically two by two when the rings are formed. After the formation of these rings 2-3, they are pressed one inside the other and one on the other, so that in a simple and inexpensive way one obtains a support ring which satisfies all the requirements formulated.
  • This matrix has a cylindrical core 5 with a cylindrical part 6 whose diameter corresponds to inner diameter of the inner ring 2 and a second cylindrical part 7 whose diameter corresponds to the inner diameter of the outer ring 3 to be formed.
  • Said core 5 is provided with two diametrically and longitudinally located grooves 8, in which a pressing element 9 is placed in a longitudinally sliding manner and whose external measurement is greater than the largest diameter of the core 5.
  • This pressure element 9 is arranged an axially sliding central punch 10.
  • This central punch has a flat surface 11 whose opposite lateral edges 12 are rounded with a radius which is equal to half the inside diameter of the outer ring 3 to be formed.
  • this punch also has a flat surface 14, which is narrower than the first surface 11 and whose opposite lateral edges 15 are rounded with a radius equal to half the inside diameter of the inner ring 2 With each flat surface 11-14 cooperates a step-down 16 to maintain on these surfaces the metallic ribbons AB whose rings 2-3 are formed.
  • a movable bending punch 17 Above the flat surface 11 of the central punch 10 is provided a movable bending punch 17, the machining surface of which has the same shape as said flat surface and which serve together for the preforming of the outer ring 3 to be formed .
  • This folding punch also has a semi-cylindrical groove 18 for pressing the metal strip A on the cylindrical part 7 of the core 5 and forming the outer ring 3.
  • a second punch to be folded 19 Opposite the other flat surface 14 of the central punch 10 is arranged a second punch to be folded 19, which are used together for preforming the inner ring 2 to be formed.
  • Said punch to be folded is provided with a semi-cylindrical groove 20 for pressing on the cylindrical part 6 of the core 5 the second metal strip B and forming the inner ring 2.
  • a calibrator punch 21 At the end of the core 5 is placed a calibrator punch 21 to press one on the other and to measure the rings 2-3 pressed one inside the other.
  • the operation of the matrix takes place as described below.
  • the punches to be folded 17-19 and the lowerers 16 are moved away from the core 5 and the central punch 10 is slid between the punches to be folded.
  • a flat strip of steel strip A in which holes 4 have been previously punched and whose length is equal to the circumference of the outer ring 3 is slid between the central punch 10 and the bending punch 17.
  • a second strip of steel strip B is slipped , in which also holes 4 have been previously punched and whose length is equal to the circumference of the inner ring 2.
  • the lowerers 16 then press the strips AB firmly against the central punch 10 and the punches to be bent 17-19 are pushed towards the central punch 10.
  • the two ends of the two strips AB are curved in an arc of a circle.
  • the circular arcs of the ribbon A will thus have a radius equal to half the inside diameter of the outer ring 3 to be formed and the circular arcs of the ribbon B will have a radius equal to half the internal diameter 2.
  • the preformed ribbon B is pushed by the cylindrical groove 20 of the punch 19 to be folded around the cylindrical part 6 of the core 5, whereby around this perfectly completed inner ring 2 is formed.
  • the lowerers 16 are removed and the central punch 10 is moved relative to the core 5, whereby the outer ring 3 formed is pressed onto the inner ring 2 formed.
  • the pressing element 9 then presses the two rings 2-3 in the calibrator punch 21, in which the two rings are pressed firmly one on the other at the right measure.
  • a perfectly completed support ring 1 is thus obtained with four holes provided radially, the connection joints of the outer and inner rings 2-3 advance one over the other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Forging (AREA)
  • Wire Processing (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Heat Treatment Of Articles (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Claims (4)

  1. Verfahren zur Herstellung eines Tragringes für Heizstrahler und sonstige Gegenstände, dadurch gekennzeichnet, dass ein mit Löchern (4) versehener Metallstreifen (A) derart zerschnitten wird, dass seine Länge dem Umfang eines Aussenringes (3) zwecks Bildung des Tragringes entspricht, ein zweiter mit Löchern (4) versehener Metallstreifen (B) derart zerschnitten wird, dass seine Länge dem Umfang eines Innenringes (2) zwecks Bildung des Tragringes entspricht, die zwei Enden der beiden Streifen (A-B) kreisbogenartig gefaltet werden, der erste vorgefaltete Streifen (A) in der Querrichtung gegen und um einen zylinderförmigen Teil (7) eines Kernes (5) herangedrückt wird, dessen Durchmesser dem Innendurchmesser des Aussenringes (3) zwecks Bildung des erfindungsgemässen Tragringes entspricht, der zweite vorgefaltete Streifen (B) in der Querrichtung gegen und um einen zylindeförmigen Teil (6) des vorgenannten Kernes herangedrückt wird, dessen Durchmesser dem Innendurchmesser des Innenringes (2) zwecks Bildung des Tragringes entspricht, und der derart gebildete Innenring (2) achsial in den derart gebildeten Aussenring (3) hineingedrückt wird und die beiden Ringe (2, 3) derart masshaltig aufeinander gedrückt werden, dass die Löcher (4) der beiden Ringe (2, 3) Radialdurchgänge bilden.
  2. Verfahren gemäss dem Anspruch 1, dadurch gekennzeichnet, dass die Enden des ersten Streifens (A) kreisbogenförmig gebogen werden, wobei der Halbmesser des derart gebildeten Kreisbogens dem halben Aussendurchmesser des Aussenringes (3) entspricht, und die Enden des zweiten Streifens (B) ebenfalls kreisbogenförmig gebogen werden, wobei der Halbmesser des derart erhaltenen Kreisbogens dem halben Aussendurchmesser des Innenringes (2) entspricht.
  3. Gesenk für die Durchführung des Verfahrens gemäss den Ansprüchen 1 und 2, dadurch gekennzeichnet, dass es im wesentlichen aus den folgenden Teilen besteht : ein aus zwei Teilen (6, 7) verschiedenen Durchmessers bestehender zylinderförmiger Kern (5), wobei der Durchmesser des einen Teiles dem Innendurchmesser des zu bildenden Innenringes (2) und der Durchmesser des anderen Teiles dem Innendurchmesser des zu bildenden Aussenringes (3) entspricht; ein auf dem vorgenannten Kern (5) in der Längsrichtung schiebender Druckkörper, dessen Aussenmass grösser ist als der Höchstdurchmesser des vorgenannten Kernes (5) und dessen Aufgabe es ist die vorgebildeten ineinandergedrückten Ringe (2, 3) auf dem Kern (5) zu verschieben; ein Zentralstempel (10), dessen Aufgabe es ist die beiden Ringe (2, 3) ineinander zu schieben und der mit zwei Flachseiten (11, 14) verschiedener Breite versehen ist, wobei dieser Stempel symmetrisch und achsial verschiebbar auf dem Druckkörper (9) angeordnet ist und die gegenüberstehenden Seitenränder der einen Oberfläche abgerundet sind im Hinblick auf die vorhergehende Biegung des zu bildenden Aussenringes (3) und die gegenüberstehenden Seitenränder der anderen Oberfläche abgerundet sind im Hinblick auf die vorhergehende Biegung des zu bildenden Innenringes (2); ein Senkkörper (16), dessen Aufgabe es ist die beiden Metallstreifen (A, B) nach der Bildung der beiden Ringe (2, 3) in Berührung mit jeder Flachseite (11, 14) des Zentralstempels (10) zu halten; ein sich auf der grössten Seite (11) des Zentralstempels (10) anordnendes Faltmittel (17) für die vorhergehende Bildung des erforderlichen Aussenringes (3), wobei dieses Faltmittel (17) eine halbzylinderförmige Rinne (18) für das nachträgliche Andrücken des ersten Metallstreifens (A) auf dem Kern (5) zwecks Bildung des Aussenringes (3) aufweist; ein sich auf der kleinsten Seite (14) des Zentralstempels anordnendes Faltmittel (19) für die vorhergehende Bildung des Innenringes (2), wobei dieses Faltmittel (19) eine halbzylinderförmige Rinne (20) für das herandrücken des zweiten Metallstreifens (B) auf dem Teil mit dem kleinsten Durchmesser des Kernes (6) zwecks Bildung des Innenringes (2) aufweist; und ein Kaliberstempel (21), dessen Aufgabe es ist die ineinandergedrückten Ringe (2, 3) masshaltig zusammenzudrücken.
  4. Tragring für Heizstrahler und sonstige Gegenstände, sich eignend zur Herstellung gemäss dem in den vorhergehenden Patentansprüchen beschriebenen Verfahren.
EP90200263A 1989-05-08 1990-02-07 Heizkörperhaltering und Verfahren und Matrize zur Herstellung dieses Halterings Expired - Lifetime EP0397223B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90200263T ATE95451T1 (de) 1989-05-08 1990-02-07 Heizkoerperhaltering und verfahren und matrize zur herstellung dieses halterings.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE8900494 1989-05-08
BE8900494A BE1002721A6 (nl) 1989-05-08 1989-05-08 Steunring voor verwarmingsradiatoren en andere en werkwijze en matrijs voor het vervaardigen van deze steunring.

Publications (3)

Publication Number Publication Date
EP0397223A2 EP0397223A2 (de) 1990-11-14
EP0397223A3 EP0397223A3 (de) 1991-06-05
EP0397223B1 true EP0397223B1 (de) 1993-10-06

Family

ID=3884149

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90200263A Expired - Lifetime EP0397223B1 (de) 1989-05-08 1990-02-07 Heizkörperhaltering und Verfahren und Matrize zur Herstellung dieses Halterings

Country Status (5)

Country Link
EP (1) EP0397223B1 (de)
AT (1) ATE95451T1 (de)
BE (1) BE1002721A6 (de)
DE (1) DE69003733T2 (de)
ES (1) ES2046670T3 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1258833B (it) * 1992-01-30 1996-02-29 Ferna Group Int Anello distanziatore per radiatori di riscaldamento
GB2278671B (en) * 1993-05-28 1997-05-28 Gt B Components Ltd Spacer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2030227C3 (de) * 1970-06-19 1974-03-14 Liebergeld, Rudolf, Dipl.-Ing., 8500 Nuernberg Verfahren zur Herstellung eines mit einem Anschlußstutzen versehenen Plattenradiators
US4395900A (en) * 1979-03-02 1983-08-02 Saurenman Phillip E Stiff metal ring and process for making it
DE3102188A1 (de) * 1981-01-23 1982-08-19 KERMI GmbH & Co. KG, 8350 Plattling Stuetzring
DE3113208C2 (de) * 1981-04-02 1990-07-12 Harry 6472 Altenstadt König Verfahren zur Verbindung von ein, zwei oder drei parallel einander zugeordneten Plattenheizkörpern durch Preßschweißen

Also Published As

Publication number Publication date
DE69003733D1 (de) 1993-11-11
ES2046670T3 (es) 1994-02-01
EP0397223A3 (de) 1991-06-05
DE69003733T2 (de) 1994-05-05
EP0397223A2 (de) 1990-11-14
ATE95451T1 (de) 1993-10-15
BE1002721A6 (nl) 1991-05-14

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