EP0070243B1 - Verfahren und Vorrichtung zum einfachen Abziehen von Draht von Drahtspulen unabhängig von der Art der Aufspulung - Google Patents

Verfahren und Vorrichtung zum einfachen Abziehen von Draht von Drahtspulen unabhängig von der Art der Aufspulung Download PDF

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Publication number
EP0070243B1
EP0070243B1 EP19820401323 EP82401323A EP0070243B1 EP 0070243 B1 EP0070243 B1 EP 0070243B1 EP 19820401323 EP19820401323 EP 19820401323 EP 82401323 A EP82401323 A EP 82401323A EP 0070243 B1 EP0070243 B1 EP 0070243B1
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Prior art keywords
spool
wire
spools
horizontal
upright
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Expired
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EP19820401323
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English (en)
French (fr)
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EP0070243A1 (de
Inventor
Fernand Morival
Anne Morival
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Individual
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Individual
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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 OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/16—Unwinding or uncoiling
    • B21C47/18—Unwinding or uncoiling from reels or drums
    • B21C47/20—Unwinding or uncoiling from reels or drums the unreeled material moving transversely to the tangent line of the drum, e.g. axially, radially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B65H49/02—Methods or apparatus in which packages do not rotate

Definitions

  • the present invention relates to a method for easily unwinding reels of wire rod, aluminum or copper or any other metal, whatever the original winding mode. It also relates to the apparatus making it possible to apply said method.
  • the wires concerned are essentially, but not exclusively, non-ferrous metals and mainly aluminum and copper. These metals are currently continuously cast and rolled at very high speed by the well-known continuous casting and rolling process on a wheel partially surrounded by a flat metal belt.
  • the length, the eccentricity of the turn, the speed of rotation of the tube forming the helix, the distribution, the average diameter, the thickness of the sheets obtained by continuous or sequential rotation more or less slow, from the pallet or the receiving mandrel, various forms of winding are obtained.
  • the more or less thick tablecloths can be arranged, laid flat in different ways, either in a spiral, in a tablecloth, in rosettes, etc. as shown in FIGS. 3, 4, 5 and 6.
  • Coils very bulky, having a fairly low weight / volume ratio (hence significant transport costs) are generally obtained from a normal coil (2) obtained by circular winding and cutting or from coils obtained by winding helical without mandrel. They are then rewound in a rosette, the wire being drawn from one and distributed over the second by means of a train of drive rollers and pressers similar to that described in the patents already cited above.
  • the object of the present invention is, whatever the initial winding mode of the spool of thread, to be able, by means of a very simple apparatus, to unwind it without any incident by vertically pulling the thread starting from the center , using the patented machines already mentioned.
  • the inertia of the reel and its reel (reel) limits the speed and especially the variations in speed of the reel.
  • the invention also aims to avoid these drawbacks.
  • the solid fixed vertical upright consists of two irons U whose free edges of the wings are welded.
  • the locking and tightening of the corset is effected by oscillating locks with spiral profile cam or by fixed hooks at the end of springs or by jacks, in particular pneumatic jacks.
  • a joining device between the plates one can ensure a permanent unwinding or unwinding of the wire, without any stopping. This is done by joining the end of the end of a reel with the end of the start of the next reel, it being understood that we always start by unwinding the central turns of the reels, ending by unwinding the outer turns.
  • the device which is the subject of the invention, which has just been described, makes it possible to increase the efficiency of machines for injecting aluminum wire or flat, subject of the patents cited above. They allow a large supply of food to be obtained, the supply of a current product being obtainable at the best price. Handling is also reduced and an original product can be used without intermediate modification. The mechanism requires no energy consumption. The workforce is reduced. Storage security in a limited space at the workplace is achieved.
  • the method and the apparatus of the invention moreover avoid all the drawbacks which have been mentioned at the beginning of this specification and in particular the production of knots, blocking and the loss of metal which follows.
  • Devices with multiple plates also allow the storage of a large quantity of metal ensuring the supply of the devices of use by reducing the frequency of restocking.
  • the apparatus of the invention comprises a horizontal plate (9) on which is placed the pallet (7) which supports the coil (2) arranged with its vertical axis. It also consists of a solid main vertical upright (10) fixed firmly on the edge of the plate (9) on which pivot, thanks to hinges (11), the crosspieces (12) of a corset articulated in several leaves (13) to (20) which have vertical uprights (21), (22), (23), (24) as well as (25), (26), (27), (28) which project towards the interior to externally hold the coils such as (2).
  • the extreme leaves (17), (18), (19), (20) include locks (29), (30) oscillating, having a cam with a spiral profile, a device which is well known and which can moreover be replaced by any equivalent locking device such as a spring with a hook.
  • the oscillation of the leaves (13, 14) is ensured by pneumatic cylinders (58, 59) which open on the upright (10).
  • the leaves (13) to (16) have a partially cylindrical plane and make about a third of the turn of the coils (2).
  • the uprights (21) to (24) are designed to rest on the coils (2) and hold them. The coils (2) are thus held not only by the uprights (21) to (24) but also by the main upright (10).
  • the uprights (21) to (24) comprise, as we have seen, hinges for the leaves (17) to (20) which are also partially cylindrical and each form approximately one sixth of the turn of the coil.
  • an important characteristic of the apparatus of the invention resides in the horizontal pressure roller (43) disposed radially with respect to the coil (2), the axis of said roller being rigidly fixed in a slide (44) (figure 11) capable of moving vertically in the upper part of the main upright (10) which is tubular, generally of square section and produced by two irons U whose edges are welded.
  • the movement of the rollers (43) (along the arrow (45)) is possible thanks to vertical slots (46) formed in the upper part of the upright (10). It is controlled by a pneumatic cylinder (47) placed inside the main part of said upright (10).
  • the vertical stroke of the roller (43) is of the order of ten centimeters.
  • This roller (43) is raised when the reel (2) is placed and it is then lowered when the reel (2) is in place.
  • the length of the roller (43) is slightly less than the radius of the coil (2).
  • the apparatus of the invention resides in the horizontal eyelet (48) which is fixed and disposed at least one meter above the center of the coil (2).
  • the eyelet (48) is connected to the upright (10) by a support (49).
  • a final important feature of the device is the return drum (50), with a horizontal axis, which is located a few meters above above the eyelet (48).
  • This drum generally comprises lateral flanges (51), (52) for guiding the wires (53) to (56).
  • FIGs 12 and 13 there is shown a double device capable of supporting two coils (2) which are arranged on either side of a single main upright (10).
  • return drums (501) and (502) are provided for the wires (53) and (54).
  • wire (53) For the wire (53), a path has been shown in solid lines which directs it in the opposite direction to the wire (54). There is also shown a path in dotted lines (531) which directs it in the same direction as the wire (54).
  • FIG 14 there is provided an arrangement of two devices such as those shown in Figures 12 and 13 and which are arranged side by side so that the coils (2) are placed in a square.
  • return drums (503), (504) which direct the wires (53) and (54) on the one hand and (55) and (56) on the other hand in two different directions.
  • the upright (10) is generally welded to the horizontal plate (9) which is then sealed by any means at a location chosen as being the most suitable for supplying most simply, economically, correctly, the machine for injecting or drawing the metal (copper, aluminum, steel, etc.).
  • This location is always at a level lower than that of the machines to be fed, the proper functioning of the system being all the better the greater the level difference, that is to say the distance between the eyelet (48 ) and the return drum (50) will be important.
  • the horizontal pressure rollers (43) rotate on ball bearings and have a length slightly less (from 100 to 150 mm) than the outside radius of the spool (2) to be unwound from the center. As this radius can vary, the length of the roller (43) is adjusted, by sliding it axially in its support and locking it in the desired position.
  • the apparatus shown in Figures 18, 19 which comprises at least two plates side by side to support the coils (2a and 2b). Each of these plates corresponds to an upright (10) and a horizontal pressure roller (43). On the other hand, there is only one oblong eyelet (481) supported at a sufficient height by the bracket (60) and the support (491). A guide 61 is also provided in the form of a funnel before the drum (506).
  • a splicer (64) which performs an electric welding. - only by resistance or sparking.
  • the oblong eyelet (481) can advantageously be produced by two parallel rollers.
  • a coil (2) of two tonnes of wire for example, with the simplest winding, therefore the cheapest, is placed on each side of the uprights (10) constituted by welding two U irons. So there are four tonnes of wire.
  • each coil (2) At the upper part of each coil (2), the radial roller (43), pushed vertically by the jack (47), is applied to the upper face of the coil (2) and firmly holds all the turns when an effort upward traction is exerted on the wire (53) or the profile. Each turn (57) is then forced to pass one by one under the roller (43) while approaching the center before engaging in the direction eyelet (48).
  • This operation has the effect of clearing any trapped turns.
  • the main tensile force acting on the roller (43) makes it possible to reduce that acting on the reel by reducing the angle of attack of the wire on the internal wall of the cut turns.
  • the radial holding roller (43) combined with the uprights (21), (22), (23), (24) and (10) distributed every 120 ° around the coil (2), this can be done until the end without the slightest incident.
  • the eyelet (48) placed at the top of the uprights (10) makes it possible to obtain a correct unwinding of each reel (2) located on each side of said upright (10) and whatever its initial winding (right or left).
  • Another coil can then be brought to the location where the coil was (2b).
  • the inner strand of this new coil is then pulled to the planer (64) to weld it to the outer strand of the coil (2a). We always manage to pass these strands over the leaves (14).
  • This method and these devices can be applied to unwind cored wire, that is to say a wire inside which has been incorporated a powder (silico-calcium or powdered magnesium, in particular) coated in a strip, for example made of steel or aluminum shaped as a relatively flexible continuous tube inside which the powder (fodder) has been incorporated before the tube is closed.
  • a powder silicon-calcium or powdered magnesium, in particular
  • a strip for example made of steel or aluminum shaped as a relatively flexible continuous tube inside which the powder (fodder) has been incorporated before the tube is closed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Unwinding Of Filamentary Materials (AREA)

Claims (11)

1. Verfahren zum leichten Abwickeln von Draht von Spulen (2), unabhängig von der Art der Bewicklung, bei dem :
die besagten Spulen (2) flach auf einer Palette angeordnet sind, die auf eine Platte (9) aufgesetzt ist, wobei die Achse der zentralen Spulenbohrung vertikal angeordnet ist,
der Draht (53) zunächst durch eine über der Spule befestigte axiale Öse (48), und danach über eine obere Umlenktrommel (50) geführt wird, dadurch gekennzeichnet, daß :
a) die Spule (2) von außen festgehalten wird, wozu sie durch eine starre, feststehende Vorrichtung (12) bis (28) während des Abwickelns geklemmt wird,
b) der Draht (53) von der zentralen Bohrung nach oben gezogen wird, und dabei jede sich abwickelnde Windung unter einer horizontalen Druckrolle (43) hindurchgeführt wird und bei zunehmender Krümmung sich dem Zentrum nähert, wobei die Druckrolle außerhalb der Spule (2) in radialer Richtung fliegend montiert ist und nach unten auf die Spule (2) drückt, bis der Draht vollständig abgewickelt ist.
2. Apparat zur Anwendung des Verfahrens gemäß Anspruch 1, aus einer horizontalen Platte (9), die dazu bestimmt ist, die Spulenhaltepalette (7) zu tragen, einer feststehenden horizontalen Öse (48), die in mindestens einem Meter Abstand über dem Zentrum der Spule (2) angeordnet ist, und aus einer über der Öse (48) gelegenen Umlenktrommel (50) mit horizontaler Achse, dadurch gekennzeichnet, daß er aufweist :
a) eine vertikale Hauptstütze (10), die auf dem Rand der Platte (9) stabil befestigt ist, und in der die horizontalen Traversen (12) einer gelenkigen Manschette aus mehreren, teilweise zylindrischen Flügeln (13) bis (20) drehbar gelagert sind, wobei diese Manschette nach innen überstehende, vertikale Stützen (21) bis (28) aufweist, um die Spule (2) außen festzuhalten, und die äußersten Flügel (17), (18), (19), (20) Mittel (29), (30) zum Schließen und Spannen der Manschette aufweisen, und diese Flügel sich weit genug öffnen, um die Spulen über der Platte (9) einführen zu können und auf ihre Handhabungspalette (7) aufsetzen zu können ;
b) eine horizontale Druckrolle (43), die bezüglich der Spule (2) radial angeordnet ist, wobei die Achse der besagten Rolle (43) auf einem Schlitten (44) starr befestigt ist, der in dem oberen Teil der feststehenden Stütze (10) durch einen geeigneten Zylinder (47) vertikal verschoben werden kann, dessen Hub ausreicht, damit die besagte Rolle (43)
während einer ersten Zeit den Zugang zu der Platte (9) freigibt, um dort die Spule (2) auf die Palette (7) aufzusetzen,
während einer zweiten Zeit, während der der Draht abgewickelt wird, dauernd auf die Oberseite der besagten Spule (2) drückt, und die Länge der besagten Rolle geringfügig kleiner als der äußere Radius der Spule ist und zu diesem Zweck eine Einstellvorrichtung für ihre Länge aufweist, damit die Länge an die verschiedenen Spulendurchmesser angepaßt werden kann.
3. Apparat gemäß Anspruch 2, dadurch gekennzeichnet, daß :
a) die Platte (9) feststehend ist,
b) die feststehende vertikale Hauptstütze (10) einen quadratischen Querschnitt hat und mittels Scharnieren (11) mindestens zwei Flügel (13), (14) trägt, von denen jeder ungefähr ein Drittel des Umfangs der Spule (2) mißt, und deren am weitesten von den feststehenden Scharnieren (11) entfernte Randstützen (21), (22), (23), (24) so ausgelegt sind, daß sie auf der Spule (2) aufliegen und mobile Scharniere von weiteren äußersten Flügeln (17), (18), (19), (20) aufweisen, von denen jeder ungefähr ein Sechstel des Umfangs der Spule mißt, wobei die freien Stützen (25), (26) dieser äußersten Flügel (17), (18) zusätzliche Verschlüsse (29), (30) aufweisen, die das Verriegeln und das Spannen der gelenkigen Manschette um die Spule (2) sicherstellen, so daß die Spule von außen durch mindestens drei Stützen (10), (21), (22) festgehalten wird, die im Abstand von ungefähr einem Drittel des Umfangs, oder 120°, angeordnet sind,
c) die horizontale Druckrolle (43) durch einen pneumatischen Zylinder (47), der wie der Schlitten (44) in der vertikalen Stütze (10) gelegen ist, vertikal verschoben werden kann, wobei die besagte Stütze (10) in ihrem oberen Teil im Bereich des Schlittens (44) mindestens einen vertikalen Spalt (46) aufweist, um die Achse der Rolle (43) hindurchzuführen, und der Zylinder eine genügende Kraft hat, um die Oberseite der Spule (2) und alle ihre Windungen festzuhalten,
d) die Öse (48) durch eine horizontale Halterung festgehalten wird, die an dem oberen Teil der feststehenden Stütze (10) befestigt ist,
e) die Umlenktrommel (50) seitliche Flansche (51), (52) aufweist.
4. Apparat gemäß Anspruch 3, dadurch gekennzeichnet, daß die feststehende vertikale Hauptstütze (10) aus zwei U-Eisen besteht, deren freie Schenkelränder miteinander verschweißt sind.
5. Apparat gemäß Anspruch 3, dadurch gekennzeichnet, daß das Verriegeln und Spannen der Manschette durch Schwenkriegel (29), (30) mit Spiralprofilnocke erfolgt.
6. Apparat gemäß Anspruch 3, dadurch gekennzeichnet, daß das Verriegeln und Spannen der Manschette durch Zylinder, insbesondere pneumatische Zylinder, erfolgt.
7. Apparat gemäß einem der Ansprüche 3, 4, 5 oder 6, dadurch gekennzeichnet, daß er bei symmetrischer Anordnung bezüglich der feststehenden Hauptstütze aufweist :
a) eine zweite Platte (9),
b) eine zweite Reihe von Flügeln (15), (16), (19), (20) mit Verriegel- und Spannvorrichtung,
c) eine zweite horizontale Druckrolle (43), die durch denselben Schlitten (44) und denselben Zylinder (47) betätigt wird,
d) eine zweite Öse (48), die durch eine Halterung über der feststehenden Stütze festgehalten wird,
e) eine zweite Umlenktrommel (502), um auf diese Weise bei zwei Spulen (2) gleichzeitig oder nacheinander den Draht abzuwickeln.
8. Apparat gemäß Anspruch 7, dadurch gekennzeichnet, daß er mit einem weiteren, identischen Apparat kombiniert ist, und zwar in einer solchen Weise, daß insgesamt nur zwei Umlenktrommeln (503), (504) vorhanden sind, um gleichzeitig oder nacheinander den Draht bei vier Spulen abzuwickeln.
9. Apparat gemäß einem der Ansprüche 3, 4, 5 oder 6, dadurch gekennzeichnet, daß er mit mehreren, nebeneinander angeordneten Apparaten kombiniert ist, die Spulen aufweisen, deren abgewickelter Draht über eine einzige Umlenktrommel (505) geführt ist.
10. Apparat gemäß einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, daß er mindestens zwei Platten (91, 92) und eine einzige Öse (481) von länglicher Form aufweist, wobei diese Öse (481) parallel zu der Ebene angeordnet ist, in der die Achsen der Spulen liegen, und in einem deutlichen Abstand über den besagten Spulen angeordnet ist, und daß eine Vorrichtung zur Verbindung der Platten (91, 92) vorgesehen ist.
EP19820401323 1981-07-15 1982-07-13 Verfahren und Vorrichtung zum einfachen Abziehen von Draht von Drahtspulen unabhängig von der Art der Aufspulung Expired EP0070243B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8114208 1981-07-15
FR8114208A FR2509705A1 (fr) 1981-07-15 1981-07-15 Procede et appareil permettant de derouler facilement des bobines de fil quel qu'en soit le mode de bobinage d'origine

Publications (2)

Publication Number Publication Date
EP0070243A1 EP0070243A1 (de) 1983-01-19
EP0070243B1 true EP0070243B1 (de) 1986-04-16

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EP19820401323 Expired EP0070243B1 (de) 1981-07-15 1982-07-13 Verfahren und Vorrichtung zum einfachen Abziehen von Draht von Drahtspulen unabhängig von der Art der Aufspulung

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EP (1) EP0070243B1 (de)
DE (1) DE3270607D1 (de)
FR (1) FR2509705A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2544233B1 (fr) * 1983-04-13 1985-08-02 Morival Fernand Perfectionnements aux appareils permettant de derouler des bobines de fil machine relativement rigide
DE3336729A1 (de) * 1983-10-08 1985-04-25 Reinking Maschinenbau GmbH, 4993 Rahden Ueberkopf-abzugseinrichtung fuer draht
NL8402911A (nl) * 1984-09-24 1986-04-16 Hoogovens Groep Bv Werkwijze en inrichting voor het injecteren van draad in vloeibaar staal.
CN116237392B (zh) * 2023-02-17 2023-12-01 科城精铜(广州)有限公司 一种铜杆轧制收卷装置及方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125312A (en) * 1964-03-17 mcduffie
DE901363C (de) * 1944-04-12 1954-01-11 Keller & Bohacek Rostschutz Ge Vorrichtung zum Verschweissen von aus Drahtringen ablaufenden Draehten
GB729738A (en) * 1951-04-11 1955-05-11 Henleys Telegraph Works Co Ltd Improvements relating to the delivery of filamentary material such as cables
GB734718A (en) * 1953-05-06 1955-08-03 Gerrard Ind Ltd Container for dispensing wire
FR1146262A (fr) * 1956-03-24 1957-11-08 Geoffrey-Delore Sa Dispositif pour dévider en continu du fil à partir de fûts
US2930541A (en) * 1957-02-28 1960-03-29 Crum Eben Jefferson Uncoiler device
US3028117A (en) * 1960-11-15 1962-04-03 Sperry Rand Corp Support and container
US3512635A (en) * 1968-10-31 1970-05-19 Nat Standard Co Wire let-off assembly wire coil package and combined wire coil package and let-off assembly
FR2182594B1 (de) * 1972-02-08 1974-12-06 Normandie Ste Metallurg
US3868070A (en) * 1973-09-21 1975-02-25 Anaconda Co Heavy coil pay-off
FR2306922A1 (fr) * 1975-04-09 1976-11-05 Bekaert Sa Nv Procede et appareil pour alimenter en continu un poste de travail avec un fil ou analogue depourvu de torsion
DE2948241A1 (de) * 1979-11-30 1981-06-04 Werner 6349 Hörbach Henrich Verfahren zum wickeln von draehten auf drahttraeger

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DE3270607D1 (en) 1986-05-22
FR2509705A1 (fr) 1983-01-21
FR2509705B1 (de) 1984-04-20
EP0070243A1 (de) 1983-01-19

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