EP0120828B1 - Verfahren und Vorrichtung zum Herstellen von Wärmeaustauscherrollen - Google Patents

Verfahren und Vorrichtung zum Herstellen von Wärmeaustauscherrollen Download PDF

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Publication number
EP0120828B1
EP0120828B1 EP84850099A EP84850099A EP0120828B1 EP 0120828 B1 EP0120828 B1 EP 0120828B1 EP 84850099 A EP84850099 A EP 84850099A EP 84850099 A EP84850099 A EP 84850099A EP 0120828 B1 EP0120828 B1 EP 0120828B1
Authority
EP
European Patent Office
Prior art keywords
web
webs
roll
winding
station
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
EP84850099A
Other languages
English (en)
French (fr)
Other versions
EP0120828A3 (en
EP0120828A2 (de
Inventor
Sven Melker Nilsson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT84850099T priority Critical patent/ATE67697T1/de
Publication of EP0120828A2 publication Critical patent/EP0120828A2/de
Publication of EP0120828A3 publication Critical patent/EP0120828A3/en
Application granted granted Critical
Publication of EP0120828B1 publication Critical patent/EP0120828B1/de
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
    • 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
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/027—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers by helically or spirally winding elongated elements
    • 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
    • B21D53/04—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of sheet metal

Definitions

  • the present invention relates to an apparatus for the manufacture of heat-exchanger rolls, said apparatus comprising a first station for profile rolling of a first web, said station designed to corrugate the first web to impart crosswise ridges and grooves to said first web, the ridge crests and groove bottoms provided, respectively, with protrusions/dents, a second station designed to impart lengthwise ribs in a second web, and a winding-on station, wherein the two webs are wound onto one another in superposed relationship to form the roll.
  • Means are provided to press the two webs together and to exert a retarding action thereon in order to impart a longitudinal tension in said webs when they are wound into the roll in the winding-on station.
  • the EP-A-0 052 592 describes one type of heat-exchanger wheel which is principally different from the conventional heat-exchanger wheels which have been developed over the years.
  • Prior-art heat-exchanger rolls or wheels have been manufactured by glueing together the various webs of foil making up the roll.
  • the roll in accordance with the Patent referred to consists of two webs of material which webs are held together in the manner described in the aforegoing, that is, by providing dents and ribs in the two webs and by winding the two webs together in superposed relationship in such a mannner that these dents/ribs intermesh and thus immobilise the two webs relative to one another in the axial direction of the wheel. In this manner is obtained a heat-exchanger roll the efficiency of which widely surpasses the efficiency of heat-exchanger rolls of prior-art types.
  • an apparatus for the manufacture of a heat-exchanger roll as set out in Claim 1.
  • a heat-exchanger roll 10 of the kind described in the introduction hereto consists of two webs of material, preferably of aluminium foil, a first web 12 and a second web 14. At the onset of the manufacturing process the two webs are wound onto supply rolls, denominated respectively 16 and 18.
  • the first web 12 is supplied from the roll 16 and is carried over a jerks and pressure compensating device 20 and further onto a plate 22 up to a roller station 24.
  • the latter comprises two pairs of rollers, one of which consists of rollers 26 and 28 and is shown in Figs. 3 and 4.
  • These rollers 26, 28 are provided with axially extending flanges 30 and 32, respectively, which are positioned at even pitch spacings across the two rollers 26, 28.
  • the roller 28 is formed with projecting members 36 on the flanges 32 and the roller body proper, these projecting members 36 serving to shape protrusions/dents 34 at respectively the crests and bottoms of the corrugations formed in the web 12.
  • the opposite roller 26 of the pair is formed with matching indents 38 extending peripherally across the cylindrical face of the roller.
  • corrugations are made therein as the web passes through the nip of a first pair of rollers forming roller station 24.
  • the first pair of rollers is similar to roller pair 26, 28 but has no members corresponding to the projecting members 36 or to the indents 38.
  • the two roller pairs of roller station 24 are driven in mutual synchrony by a motor 40.
  • the web 12 is carried further to a pendulum means 42 and over a wheel 44 suspended at the end of one of its arms.
  • the pendulum serves to equalize tensile stress in the web 12.
  • the pendulum 42 is provided with a sensing means (not shown but preferably consisting of a potentiometer positioned at the journalling point of the pendulum 42), said sensing means being arranged to emit a signal to control the speed of the motor 40.
  • the web 12 is carried around a fixed deflector wheel 46 and from there to the winding-on station.
  • the second web 14 of material is wound off the roll 18 and is carried over a pressure or jerk compensating member 48 corresponding to compensating member 20. From the compensating member 48 the web 14 is carried to a deflector roller 50 corresponding to the deflector roller 46 serving web 12. The web 14 is carried further up to a second roller station 52 comprising two pairs of rollers arranged to shape lengthwise ribs into the web 14. For this purpose one of the rollers of the pair is provided with circumferentially extending ridges on its cylinder face whereas the second roller of the pair is formed with matching grooves. The ribs of the web 14 match the protrusions/dents 34 of the web 12.
  • the roller station 52 also comprises a sensing means (preferably in the form of a tachometer, not shown), which is arranged to emit controlling signals to the motor 40 to adjust the speed thereof to the advancing speed of the web 14.
  • a sensing means preferably in the form of a tachometer, not shown
  • the two webs 12 and 14 are wound into the heat-exchanger roll 10.
  • a plate 54 is arranged to guide the web 14 laterally when the web is wound onto the roll 10.
  • the second web 12 abuts against the web 14 and is guided laterally towards the roll 10.
  • a pressure roller 56 provided with beads 57 which are shaped to match the ribs formed in the web 14 is arranged to exert a pressure against the roll 10 during the winding-on operation, which means that each newly wound-on turn of the webs 12, 14 is pressed into the already wound-on turns with the protrusions/dents of web 12 intermeshing with the ribs of web 14. This results in a safe gripping bond between the webs 12, 14 and avoidance of play between the web winding turns. In addition any unevenness is straightened out.
  • the heat-exchanger wheel will be exposed to stress in its axial direction, such stress being exerted by the air flowing through and against the heat-exchanger roll 10.
  • the ability to take such stress is highly improved by a wheel wherein the winding turns are pressed hard together in accordance with the invention.
  • the webs 12, 14 are also stretched by the braking action exerted on the pressure roller 56. Stretching of the webs means that the effect of the pressing-together action and of the tension imparted to the webs by means of the pressure roller 56 are permanented and remain in the finished roll 10.
  • the outermost turns of the wheel 10 are riveted together and/or the wheel 10 is equipped with an external ring keeping the wheel together and maintaining the tension imparted to the wheel during the winding operation.
  • the pressure roller 56 is shown in Fig. 5 and consists of a cylindrical body 58 which is rotatably mounted on a shaft 60. The latter is removably but non-rotationally mounted in a frame 62.
  • a brake disc 64 is arranged to be pressed against one of the end walls 66 of the cylindrical body. This is effected with the aid of a bolt 70 which is provided with projecting arms 68 and which is screwed onto threads 72 formed on the shaft 60, whereby the brake shoes 74 of the brake disc 64 are pressed against the cylinder body end wall 66, effecting a braking action on the pressure roller 56.
  • the brake disc 64 is formed with a flange running in a groove 76 formed in the shaft 60, thus preventing the brake disc 64 from being rotated upon braking.
  • the pressure roller 56 is pressed against the roll 10 by a counter-weight 78 (see Fig. 2) to which it is attached by means of a wire 82 carried about a pulley 80 and attached to the frame 62 of the pressure roller.
  • the frame 62 is provided with wheels 84 which are arranged to run along the stand 86 supporting the wheel 10 and controlling the movements of the frame 62.
  • Figs. 6 and 7 show the general appearance of the heat-exchanger roll 10 and the principle of its structure.
  • Fig. 7 shows a section of the roll 10.
  • Fig. 7 shows clearly the provision in web 14 of lengthwise ribs 80 and in web 12 of matching protrusions/dents 34 formed at respectively the ridge crests and the groove bottoms of the corrugations formed in web 12. The interengagement is effected between the protrusions/dents 34 and the ribs 80 during the winding-on of the webs 12, 14 into the wheel 10.
  • the ribs 88 formed in the web 14 are dimensioned to ensure that the relationship between the width at the upper rib edge, the width at the lower rib edge and the rib spacings across the web 14 is approximately 1:2:8.
  • the roll 10 is wound onto a shaft 96 serving as a winding core.
  • the shaft is driven by a motor 98 which is connected to the shaft 96 via a gear mechanism 100.
  • the shaft 96 is in the shape of a sleeve and is provided with an internal axially movable shaft 102 the outer end of which projects beyond the sleeve shaft 96 and is formed with threads on which an outer relief disc 104 may be attached.
  • the inner shaft 102 is provided with through-holes or grooves in which is mounted a bar 106, which bar also runs through a groove in the outer shaft 96.
  • the bar 106 is arranged to urge an inner relief disc 108 against the roll 10 in order to clamp the latter in position between the discs 104, 108 during the winding of the roll so that when the wound roll 10 has reached a predetermined size the discs act to relieve the inner winding turns of the roll 10 when further turns are wound thereon.
  • the inner shaft 102 rotates together with the sleeve-shaped shaft 96.
  • the construction comprising an inner, axially movable shaft 102 allows some axial movement of the relief discs 104, 108 relative to the shaft 96, which further increases the clamping effect obtained with the aid of the relief discs 104, 108.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Winding Of Webs (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Press Drives And Press Lines (AREA)
  • Laminated Bodies (AREA)

Claims (3)

  1. Vorrichtung zur Herstellung einer Wärmetauscherwicklung (10), die eine erste Station (24) zum Profilieren eines ersten Bandes (12), wobei diese Station (24) ausgebildet ist für eine wellenförmige Verformung des ersten Bandes, um dieses mit kreuzweisen Rippen und Rillen zu gestalten, und wobei die Kämme der Rippen und der Boden der Rillen jeweils mit Vorwölbungen/Einbeulungen (34) versehen werden, eine zweite Station (52) zum Ausbilden von Längsrippen (88) in einem zweiten Band (14), und eine Wickelstation , in der die beiden Bänder (12,14) übereinander aufgewickelt werden zur Bildung der Wicklung, umfaßt, wobei Mittel (56) vorgesehen sind zum Zusammenpressen der beiden Bänder (12,14) und zur Ausübung einer Verzögerungskraft auf diese, um eine Längsspannung in den Bändern zu erzeugen, wenn sie in der Wickelstation zu der Wicklung (10) gewickelt werden,
    dadurch gekennzeichnet,
    daß das Mittel zum Zusammenpressen und Verzögern der beiden Bänder (12,14) während des Wickelvorganges eine Druckrolle (56) ist, die mit Wulsten (57) versehen und gegen das mit den Längsrippen (88) ausgebildete Band (14) während der Aufwicklung des Bandes drückbar ist.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Druckrolle (56) mit den Wulsten (57) mit einem Gewicht (78) verbunden ist, das ausgebildet ist zur Ausübung der zum Zusammenpressen und Verzögern der Bänder (12,14) erforderlichen Kraft auf die Druckrolle (56).
  3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Druckrolle (56) mit den Wulsten (57) mit einer Scheibenbremsvorrichtung (64) ausgestattet ist, um das mit den Längsrippen (88) ausgebildete Band (14) zu verzögern, wenn dieses auf die Wicklung (10) aufgewickelt wird.
EP84850099A 1983-03-29 1984-03-28 Verfahren und Vorrichtung zum Herstellen von Wärmeaustauscherrollen Expired - Lifetime EP0120828B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84850099T ATE67697T1 (de) 1983-03-29 1984-03-28 Verfahren und vorrichtung zum herstellen von waermeaustauscherrollen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8301730A SE446601B (sv) 1983-03-29 1983-03-29 Anordning for framstellning av ett vermevexlarhjul
SE8301730 1983-03-29

Publications (3)

Publication Number Publication Date
EP0120828A2 EP0120828A2 (de) 1984-10-03
EP0120828A3 EP0120828A3 (en) 1986-12-30
EP0120828B1 true EP0120828B1 (de) 1991-09-25

Family

ID=20350578

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84850099A Expired - Lifetime EP0120828B1 (de) 1983-03-29 1984-03-28 Verfahren und Vorrichtung zum Herstellen von Wärmeaustauscherrollen

Country Status (11)

Country Link
EP (1) EP0120828B1 (de)
JP (1) JPS59215595A (de)
KR (1) KR920006675B1 (de)
AT (1) ATE67697T1 (de)
AU (1) AU2615284A (de)
CA (1) CA1252618A (de)
DE (1) DE3485095D1 (de)
DK (1) DK171384A (de)
FI (1) FI80393C (de)
NO (1) NO157807C (de)
SE (1) SE446601B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11340025B2 (en) 2017-12-04 2022-05-24 SWISS ROTORS Spolka z o.o. Heat transmission roll for a rotary cylindrical heat exchanger

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004001947A1 (de) 2004-01-13 2005-08-04 Emitec Gesellschaft Für Emissionstechnologie Mbh Wabenkörper aus Lagen mit Umstülpungen und Lagen mit Gegenstrukturen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2579858A (en) * 1949-02-10 1951-12-25 Flexitallic Gasket Co Inc Gasket winding machine
US2702166A (en) * 1952-02-26 1955-02-15 Addison Prod Machine for forming spiral heat exchange coils
DE3011210A1 (de) * 1980-03-22 1981-10-01 Wilhelm 7486 Scheer Häberle Waermespeicher
SE444071B (sv) * 1980-11-14 1986-03-17 Sven Melker Nilsson Roterande regenerativ vermevexlare, forfarande for dess framstellning och maskin for genomforande av forfarandet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11340025B2 (en) 2017-12-04 2022-05-24 SWISS ROTORS Spolka z o.o. Heat transmission roll for a rotary cylindrical heat exchanger

Also Published As

Publication number Publication date
SE8301730D0 (sv) 1983-03-29
EP0120828A3 (en) 1986-12-30
DK171384A (da) 1984-09-30
FI841169A0 (fi) 1984-03-23
SE446601B (sv) 1986-09-29
NO841140L (no) 1984-10-01
NO157807C (no) 1988-05-25
SE8301730L (sv) 1984-09-30
DK171384D0 (da) 1984-03-28
JPS59215595A (ja) 1984-12-05
FI841169A (fi) 1984-09-30
KR840007836A (ko) 1984-12-11
AU2615284A (en) 1984-10-04
FI80393C (fi) 1990-06-11
ATE67697T1 (de) 1991-10-15
KR920006675B1 (ko) 1992-08-14
CA1252618A (en) 1989-04-18
EP0120828A2 (de) 1984-10-03
NO157807B (no) 1988-02-15
DE3485095D1 (de) 1991-10-31
FI80393B (fi) 1990-02-28
JPH0360040B2 (de) 1991-09-12

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