EP4019158B1 - Dispositif d'enroulement pour une plage de grandes épaisseurs de bandes métalliques - Google Patents

Dispositif d'enroulement pour une plage de grandes épaisseurs de bandes métalliques Download PDF

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Publication number
EP4019158B1
EP4019158B1 EP20216982.7A EP20216982A EP4019158B1 EP 4019158 B1 EP4019158 B1 EP 4019158B1 EP 20216982 A EP20216982 A EP 20216982A EP 4019158 B1 EP4019158 B1 EP 4019158B1
Authority
EP
European Patent Office
Prior art keywords
coiling
flap
metal strip
reel
swing arm
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.)
Active
Application number
EP20216982.7A
Other languages
German (de)
English (en)
Other versions
EP4019158C0 (fr
EP4019158A1 (fr
Inventor
Matthias Bischoff
Roland Hofer
Mathias Neumüller
Pascal Ostheimer
Christoph Salzmann
Jan Schwinghammer
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.)
Primetals Technologies Austria GmbH
Original Assignee
Primetals Technologies Austria 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 Primetals Technologies Austria GmbH filed Critical Primetals Technologies Austria GmbH
Priority to EP20216982.7A priority Critical patent/EP4019158B1/fr
Priority to ES20216982T priority patent/ES2966258T3/es
Priority to US17/558,786 priority patent/US11904371B2/en
Publication of EP4019158A1 publication Critical patent/EP4019158A1/fr
Application granted granted Critical
Publication of EP4019158C0 publication Critical patent/EP4019158C0/fr
Publication of EP4019158B1 publication Critical patent/EP4019158B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B21C47/02—Winding-up or coiling
    • B21C47/04—Winding-up or coiling on or in reels or drums, without using a moving guide
    • 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
    • B21C47/02—Winding-up or coiling
    • 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
    • B21C47/02—Winding-up or coiling
    • B21C47/04—Winding-up or coiling on or in reels or drums, without using a moving guide
    • B21C47/06—Winding-up or coiling on or in reels or drums, without using a moving guide with loaded rollers, bolts, or equivalent means holding the material on the reel or drum
    • 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
    • B21C47/02—Winding-up or coiling
    • B21C47/04—Winding-up or coiling on or in reels or drums, without using a moving guide
    • B21C47/06—Winding-up or coiling on or in reels or drums, without using a moving guide with loaded rollers, bolts, or equivalent means holding the material on the reel or drum
    • B21C47/063—Winding-up or coiling on or in reels or drums, without using a moving guide with loaded rollers, bolts, or equivalent means holding the material on the reel or drum with pressure rollers only
    • 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
    • B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
    • 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
    • B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
    • B21C47/3433—Feeding or guiding devices not specially adapted to a particular type of apparatus for guiding the leading end of the material, e.g. from or to a coiler
    • 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
    • B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
    • B21C47/3433—Feeding or guiding devices not specially adapted to a particular type of apparatus for guiding the leading end of the material, e.g. from or to a coiler
    • B21C47/3441—Diverting the leading end, e.g. from main flow to a coiling device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/02—Advancing webs by friction roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/10—Mechanisms in which power is applied to web-roll spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/41419—Starting winding process
    • B65H2301/41427—Starting winding process involving arrangements for securing leading edge to core, e.g. adhesive tape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/173—Metal

Definitions

  • Such a reel device is, for example, from WO 2008/083 792 A1 known.
  • the US 4,964,587 A a similar level of disclosure can be found.
  • the FR 2 876 365 A1 shows the preamble of claim 1.
  • the reel rocker In particular is designed in such a way that it has no further pressure roller in addition to the rear pressure roller and the upper shaft flap together with the lower one
  • the shaft flap forms an opening funnel that tapers towards the reel and has a relatively small opening angle.
  • relatively thick strips with a thickness of at least 1.2 mm to a maximum of approx.
  • the reel rocker is designed in such a way that there is another one in front of the rear pressure roller Pressure roller - i.e. a front pressure roller - and the upper shaft flap together with the lower shaft flap forms an opening funnel that tapers towards the reel and has a relatively large opening angle.
  • a prior art reel device can be used to reel either only thin strips and medium strips or only medium strips and thick strips, with thin strips having a thickness of approximately 0.5 mm to approximately 1.2 mm, medium bands have a thickness of approximately 1.2 mm to approximately 20 mm and thick bands have a thickness of approximately 20 mm to approximately 25 mm.
  • thin strips having a thickness of approximately 0.5 mm to approximately 1.2 mm
  • medium bands have a thickness of approximately 1.2 mm to approximately 20 mm
  • thick bands have a thickness of approximately 20 mm to approximately 25 mm.
  • the object of the present invention is to further develop a reeling device of the type mentioned in such a way that both reeling of thin strips as well as reeling of thick strips and of course also reeling of medium-sized strips - i.e. over the entire possible thickness range of approx .5 mm to approx. 25 mm - is made possible.
  • a reel device of the type mentioned is designed in that the upper shaft flap can alternatively be positioned by means of the flap drive in such a way that it is arranged between the reel mandrel and the front pressure roller of the reel arm when the reel rocker is positioned on the reel mandrel, so that the metal strip is only from the the rear pressure roller and the deflection shield of the reel swing arm is steered around the reel mandrel.
  • the geometry of the reel device in front of the reel and the effective design of the reel rocker can be adjusted as required.
  • one or the other geometry and effective design can be adjusted as desired.
  • the flap drive acts unilaterally on a joint of a toggle lever system, one end of which is articulated to the upper shaft flap and the other end of which is articulated in a stationary manner relative to the reel. This enables, on the one hand, a favorable redirection of force and, on the other hand, an advantageous installation of the flap drive.
  • the flap drive is articulated at one end to the reel rocker. This does not change the positioning of this end of the upper shaft flap relative to the reel rocker. Rather, this end is not moved relative to the reel rocker even when the rocker drive and/or the flap drive is activated. This simplifies the kinematics.
  • the flap drive can in particular be designed as a hydraulic cylinder unit. This enables quick, accurate and robust adjustment of the upper shaft flap.
  • This design is robust and reliable. It causes activation of the flap drive to result in a circular pivoting movement of the first flap point around the first rocker point and at the same time a circular pivoting movement of the second flap point around the second rocker point. The combination of these two movements, together with the arrangement of the flap locations and the rocker locations, defines the movement of the upper shaft flap as a whole.
  • This configuration ensures that in the extended position of the flap extension for guiding a thin metal strip, guidance is achieved over a relatively large distance (namely the length of the upper shaft flap plus the length of the flap extension) and in the retracted position of the flap extension the required freedom of movement for moving the upper shaft flap is available between the position in which it covers the front pressure roller and the position in which it releases the front pressure roller.
  • the flap extension is articulated at its end furthest away from the reel, so that the transfer of the flap extension from the retracted position to the extended position and back is a pivoting movement about the end of the flap extension furthest away from the reel.
  • This design is structurally simple and reliable.
  • the extension drive preferably acts unilaterally on a joint of a toggle lever system, one end of which is connected to the valve extension is articulated and the other end is mounted in a stationary manner relative to the reel. This enables, on the one hand, a favorable redirection of force and, on the other hand, an advantageous installation of the flap drive.
  • the extension drive can in particular be designed as a hydraulic cylinder unit. This enables quick, precise and robust adjustment of the valve process.
  • FIGS. 1 to 5 show the same reel device. Also those in the FIGS. 1 to 5 Elements shown are the same. For this reason only in FIG 1 all reference numbers shown. In the FIGS. 2 to 5 Only a few reference symbols are shown that are necessary for understanding and explanation.
  • a reel device has a reel 1.
  • a metal strip 2 is to be reeled, which is fed to the reel 1 in a feed direction x.
  • the metal strip 1 can be made of steel or aluminum, for example.
  • the reel 1 has a reel mandrel 3.
  • the reel mandrel 3 can be expandable. This is common practice and will therefore not be explained in more detail below.
  • the rest of the structure of the reel 1 is also of a conventional nature and is therefore not explained in more detail.
  • the reel device also has a reel rocker 4.
  • the reel rocker 4 in turn has a front pressure roller 5, a rear pressure roller 6 and a deflection shield 7.
  • the reel device also has a rocker drive 8.
  • the rocker drive 8 By means of the rocker drive 8, the reel rocker 4 can be placed on the reel mandrel 3 and moved away from it.
  • the swing arm drive 8 can in particular be designed as a hydraulic cylinder unit.
  • the term “hydraulic cylinder unit” is used in the generic sense. A hydraulic cylinder unit therefore has at least one hydraulic cylinder. However, the formulation should also expressly include the possibility of multiple hydraulic cylinders being present.
  • the reel rocker 4 is the reel rocker from which the metal strip 2 is first guided around the reel mandrel 3 during reeling. In specialist circles it is usually referred to as reel swing arm number 1. As a rule, there are additional reel arms (in the FIGS. 1 to 5 not shown). The number of additional reel arms is usually two or three.
  • the other reel rockers each have at least one pressure roller and a deflection shield. They can be designed conventionally. The other reel rockers are therefore not explained in more detail below. They are arranged in such a way that, together with the first-mentioned reel rocker, they are arranged essentially evenly around the circumference of the reel mandrel.
  • the reel device has an upper shaft flap 9.
  • the upper shaft flap 9 is arranged upstream of the reel 1 in the feed direction x. It serves to guide the metal strip 2 to the reel 1.
  • the reel device has a flap drive 10.
  • the upper shaft flap 9 can be positioned by means of the flap drive 10.
  • the flap drive 10 can in particular be designed as a hydraulic cylinder unit. As before, the term “hydraulic cylinder unit” is used in the generic sense.
  • the upper shaft flap 9 is referred to as the upper shaft flap because it is arranged above the metal strip 2 during the reeling of the metal strip 2.
  • the upper shaft flap 9 is as shown in the 1 to 4
  • the lower shaft flap 11 is arranged below the metal strip 2 while the metal strip 2 is being coiled. The metal strip 2 is thus guided between the upper and lower shaft flaps 9, 11 to the reel 1.
  • the lower shaft flap 11 can be designed conventionally, in particular as shown in FIG FIGS. 1 to 5 multi-part. The lower shaft flap 11 will therefore not be explained in more detail below.
  • the metal strip 2 has a thickness d.
  • the thickness d can be less than 1 mm, for example 0.5 mm or 0.8 mm. However, the thickness d can also have larger values, for example 1.2 mm or 2.0 mm or 3.0 mm. Even larger values are possible. Specifically, the thickness d can be up to approx. 25 mm.
  • the metal strip 2 is first fed to a driving device 14 via a roller table 12 with transport rollers 13 in a substantially horizontal transport direction y.
  • the transport direction y is exactly horizontal. In individual cases, however, minor deviations from the horizontal of a few degrees (maximum 5°, usually 2° and less) can occur.
  • the driving device 14 is able to deflect the metal strip 2 from the transport direction y downwards into the feed direction x.
  • the feed direction x is therefore directed obliquely downwards.
  • the reel device Before a tape head 15 reaches the driving device 14, the reel device is moved into the in FIG 1 configuration shown.
  • the reel rocker 4 In this configuration, the reel rocker 4 is positioned on the reel mandrel 3.
  • the rear pressure roller 6 of the reel rocker 4 therefore rests on the reel mandrel 3 or has a minimum distance from the reel mandrel 3, which is in the order of magnitude of the thickness d of the metal strip 2.
  • the upper shaft flap 9 is positioned in such a way that it is arranged between the reel mandrel 3 and the front pressure roller 5 of the reel rocker 4.
  • the metal strip 2 is therefore only guided around the reel mandrel 3 by the rear pressure roller 6 and the deflection shield 7.
  • the front pressure roller 5, however, is not effective.
  • the reel rocker 4 While reeling a few turns (usually between three turns and six turns), the reel rocker 4 remains connected to the reel mandrel 3. It is only moved far enough away from the reel mandrel 3 so that each new turn of the metal strip 2 can be reeled. After reeling a few turns, the reel rocker 4 should be moved away from the reel mandrel 3. For this purpose, first - see FIG 2 - the reel rocker 4 is moved a little away from the reel mandrel 3 by means of the rocker drive 8. The process is carried out to such an extent that the upper shaft flap 9 can be moved without colliding with the metal strip 2. The upper shaft flap 9 is then moved by means of the flap drive 10 so that it is arranged in front of the front pressure roller 5, i.e. it releases it.
  • FIG 3 shows this state, i.e. after the upper shaft flap 9 has been moved. Finally, the reel rocker 4 is retracted by appropriate control of the rocker drive 8. In this condition, which is in FIG 4 is shown, the thin metal strip 2 is then further coiled.
  • the metal strip 2 is first fed to the driving device 14 via the roller table 12 and is deflected obliquely downwards by the driving device 14 into the feed direction x.
  • the reel device Before the tape head 15 reaches the driving device 14, the reel device is moved into the in FIG 5 configuration shown.
  • the reel rocker 4 is positioned on the reel mandrel 3.
  • the rear pressure roller 6 of the reel rocker 4 therefore rests on the reel mandrel 3 or has a minimum distance from the reel mandrel 3, which is in the order of magnitude of the thickness d of the metal strip 2.
  • the upper shaft flap 9 is positioned in such a way that it is in Viewed in the feed direction x, it is arranged in front of the front pressure roller 5 of the reel rocker 4.
  • the metal strip 2 is therefore not only guided by the rear pressure roller 6 and the deflection shield 7, but also by the front pressure roller 5 and directed around the reel mandrel 3.
  • the front pressure roller 5 is therefore effective.
  • the reel rocker 4 remains attached to the reel mandrel 3 while reeling a few turns. It is only moved far enough away from the reel mandrel 3 so that each new turn of the metal strip 2 can be reeled. After reeling a few turns, the reel rocker 4 is moved away from the reel mandrel 3. In contrast to the procedure when reeling a thin metal strip 2, the reel rocker 4 can now be easily retracted completely by appropriately controlling the rocker drive 8, i.e. in the in FIG 4 shown state. In this state, the thick metal strip 2 is further coiled.
  • the metal strip 2 has a thickness d between approximately 1.2 mm and approximately 20 mm, the metal strip 2 can be coiled as desired either like a thin metal strip 2 or like a thick metal strip 2.
  • FIGS. 1 to 5 In addition to the basic embodiment of the present invention, they also show some advantageous embodiments. These configurations can be implemented individually and independently of each other. However, they can also be implemented together if required.
  • the flap drive 10 acts unilaterally on a joint 16 of a toggle lever system.
  • Two articulated arms 17, 18 of the toggle lever system are connected to one another in an articulated manner at the joint 16.
  • the end of one articulated arm 17 is connected to the upper shaft flap 9 in an articulated manner.
  • the end the other articulated arm 18 is articulated at a fastening location 19.
  • the attachment location 19 is stationary relative to the reel 1. In particular, it is not arranged on the reel rocker 4.
  • the flap drive 10 is attached to the reel rocker 4 in an articulated manner at one end. This ending moves - see in particular FIG 4 - thus when moving the reel rocker 4 accordingly.
  • the upper shaft flap 9 is connected to the reel rocker 4 via a first and a second connecting element 20, 21.
  • the first connecting element 20 is articulated to a first flap point 22 of the upper shaft flap 9 and to a first rocker point 23 of the reel rocker 4.
  • the second connecting element 21 is articulated to a second flap point 24 of the upper shaft flap 9 and to a second rocker point 25 of the reel rocker 4.
  • the first flap point 22 is arranged in front of the second flap point 24 as seen in the feed direction x.
  • the first rocker point 23 is arranged in front of the second rocker point 25, viewed in the feed direction x.
  • the curved shape of the second connecting element 21 serves to bridge a drive shaft - not shown - for driving the front pressure roller 5.
  • the terms "flap point” and "rocker point” are only intended to indicate which element is located The respective location is located, namely on the upper shaft flap 9 or on the reel rocker 4. There is no further meaning associated with the choice of terms.
  • FIGS. 6 to 11 The important modification of the FIGS. 6 to 11 builds on the basic design of the FIGS. 1 to 5 on. The ones above The statements made above are therefore still valid. Furthermore, they show FIGS. 6 to 11 - analogous to the FIGS. 1 to 5 - the same reel device. For this reason, only the additional elements and this only in FIG 6 provided with their respective reference numbers. In the FIGS. 7 to 11 Only a few reference symbols are shown that are necessary for understanding and explanation.
  • the reel device has in addition to the ones in connection with the FIGS. 1 to 5 explained elements a valve extension 26. Furthermore, the reel device has an extension drive 27.
  • the flap extension 26 is between an extended position (see FIG 6 ) and a retracted position (see the FIGS. 7 to 11 ) can be positioned.
  • the extension drive 27 can in particular be designed as a hydraulic cylinder unit. As before, the term “hydraulic cylinder unit” is used in the generic sense.
  • the upper shaft flap 9 is usually somewhat shorter than in the design of the FIGS. 1 to 5 .
  • the flap extension 26 is in the extended position in the feed direction x towards the metal strip 2 in front of the upper shaft flap 9 arranged.
  • the flap extension 26 adjoins the upper shaft flap 9 (butt to butt or with a small distance or with a small overlap).
  • the arrangement of the flap extension 26 in front of the upper shaft flap 9 can in particular be aligned.
  • the metal strip 2 is first guided by the flap extension 26 and then from the upper shaft flap 9 to the reel mandrel 3. In the retracted position, however, the flap extension 26 has moved away from the upper shaft flap 9 and the metal strip 2. As a result, the upper shaft flap 9 can be moved counter to the feed direction x.
  • the procedure for reeling the metal strip 2 is explained when the thickness d of the metal strip 2 has a relatively small value, usually approximately 1.2 mm or less.
  • the metal strip 2 is initially - analogous to the procedure for designing the FIGS. 1 to 5 - fed via the roller table 12 to the driving device 14 and deflected obliquely downwards by the driving device 14 in the feed direction x.
  • the reel device Before the tape head 15 reaches the driving device 14, the reel device is moved into the in FIG 6 configuration shown. As far as the reel rocker 4 and the upper shaft flap 9 are concerned, this configuration corresponds to the configuration of FIG 1 . Furthermore, in this configuration the flap extension 26 is arranged in the extended position. It is therefore located in front of the upper shaft flap 9 and extends it, so to speak.
  • the flap extension 26 can be moved into the retracted position by means of the extension drive 27 ( FIG 7 ) are transferred.
  • the further configuration - in particular the positioning of the reel rocker 4 and the upper shaft flap 9 - is the same as in FIG 1 still retained. While a few turns are being reeled, the reel rocker 4 remains attached to the reel mandrel 3 and is only moved far enough away from the reel mandrel 3 so that each new turn of the metal strip 2 can be reeled.
  • the reel rocker 4 is moved away from the reel mandrel 3.
  • the reel rocker 4 is moved a little away from the reel mandrel 3 by means of the rocker drive 8.
  • the upper shaft flap 9 is then moved by means of the flap drive 10 so that it is in front of the front pressure roller 5 is arranged, so it releases it.
  • FIG 9 shows this state, i.e. after the upper shaft flap 9 has been moved.
  • the reel rocker 4 is retracted by appropriate control of the rocker drive 8. In this condition, which is in FIG 10 is shown, the thin metal strip 2 is then further coiled.
  • the metal strip 2 is first fed to the driving device 14 via the roller table 12 and is deflected obliquely downwards by the driving device 14 into the feed direction x.
  • the reel device Before the tape head 15 reaches the driving device 14, the reel device is moved into the in FIG 11 configuration shown. As far as the reel rocker 4 and the upper shaft flap 9 are concerned, this configuration corresponds to the configuration of FIG 5 . Furthermore, in this configuration the flap extension 26 is arranged in the retracted position.
  • the reel rocker 4 is positioned on the reel mandrel 3.
  • the rear pressure roller 6 of the reel rocker 4 therefore rests on the reel mandrel 3 or has a minimum distance from the reel mandrel 3, which is in the order of magnitude of the thickness d of the metal strip 2.
  • the upper shaft flap 9 is positioned in such a way that, as seen in the feed direction x, it is arranged in front of the front pressure roller 5 of the reel rocker 4.
  • the metal strip 2 is therefore not only guided by the rear pressure roller 6 and the deflection shield 7, but also by the front pressure roller 5 and directed around the reel mandrel 3.
  • the front pressure roller 5 is therefore effective.
  • the reel rocker 4 remains attached to the reel mandrel 3 while reeling a few turns. It is only moved far enough away from the reel mandrel 3 so that each new turn of the metal strip 2 can be reeled. After reeling a few turns, the reel rocker 4 is moved away from the reel mandrel 3. In contrast to the procedure when reeling a thin metal strip 2, the reel rocker 4 can now be easily retracted completely by appropriately controlling the rocker drive 8, i.e. in the in FIG 10 shown state. In this state, the thick metal strip 2 is further coiled.
  • the flap extension 26 is only swiveled in when a thin metal strip 2 is reeled on, i.e. brought into the extended position. After the thin metal strip 2 has been coiled on, it is swung out, i.e. brought into the retracted position. When reeling a thick metal strip 2, the flap extension 26 remains permanently in the retracted position.
  • the metal strip 2 has a thickness d between approximately 1.2 mm and approximately 20 mm, the metal strip 2 can be coiled as desired either like a thin metal strip 2 or like a thick metal strip 2.
  • FIGS. 6 to 11 show, in addition to the important modification of the present invention, also those already in connection with FIGS. 1 to 5 explained advantageous embodiments. These configurations can also be used when modifying the FIGS. 6 to 11 can be implemented individually and independently of each other or not implemented as required. They can still be realized together. Furthermore, they show FIGS. 6 to 11 some further advantageous embodiments of the important modification. These configurations can be implemented individually and independently of each other become. However, they can also be implemented together if required.
  • valve extension 26 is articulated at its end 28 which is furthest away from the reel 1.
  • the transfer of the flap extension 26 from the retracted position to the extended position and vice versa is therefore a pivoting movement about this end 28.
  • extension drive 27 acts unilaterally on a joint 29 of a toggle lever system.
  • Two articulated arms 30, 31 of the toggle lever system are connected to one another in an articulated manner at the joint 29.
  • the end of one articulated arm 30 is articulated to the valve extension 26.
  • the end of the other articulated arm 31 is articulated at a fastening location 32.
  • the attachment location 32 is stationary relative to the reel 1. In particular, it is not arranged on the reel rocker 4.
  • the present invention has many advantages.
  • metal strips 2 can be coiled over a large thickness range using the coiling device according to the invention.
  • the structure is low-maintenance, robust and reliable.
  • it is also possible to easily convert existing reel systems.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Replacement Of Web Rolls (AREA)

Claims (10)

  1. Dispositif de dévidoir, dans lequel le dispositif de dévidoir comprend
    - un dévidoir (1) avec un mandrin de dévidoir (3) pour le dévidage d'une bande métallique (2) introduite dans le dévidoir (1) dans une direction d'introduction (x),
    - un bras oscillant de dévidoir (4) avec un rouleau de compression arrière (6), un rouleau de compression avant (5) et un bouclier déflecteur (7),
    - un entraînement de bras oscillant (8), au moyen duquel le bras oscillant de dévidoir (4) peut être posé sur le mandrin de dévidoir (3) et peut être éloigné du mandrin de dévidoir (3),
    - un clapet supérieur (9), disposé en amont du dévidoir (1) dans la direction d'introduction (x), pour le guidage de la bande métallique (2) vers le dévidoir (1) et
    - un entraînement de clapet (10), au moyen duquel le clapet supérieur (9) peut être positionné de sorte que, lorsque le bras oscillant de dévidoir (4) est posé sur le mandrin de dévidoir (3), il est disposé avant le rouleau de compression avant (5) du bras oscillant de dévidoir (4), vu dans la direction d'introduction (x), de sorte que la bande métallique (2) est déviée, par le rouleau de compression avant (5), le rouleau de compression arrière (6) et le bouclier déflecteur (7) du bras oscillant de dévidoir (4) autour du mandrin de dévidoir (3),
    caractérisé en ce que
    au moyen de l'entraînement de clapet (10), le clapet supérieur (9) peut être positionné en variante de sorte que, lorsque le bras oscillant (4) est posé sur le mandrin de dévidoir (3), il est disposé entre le mandrin de dévidoir (3) et le rouleau de compression avant (5) du bras oscillant de dévidoir (4), de sorte que la bande métallique (2) est déviée uniquement par le rouleau de compression arrière (6) et le bouclier déflecteur (7) du bras oscillant de dévidoir (4) autour du mandrin de dévidoir (3).
  2. Dispositif de dévidoir selon la revendication 1,
    caractérisé en ce que
    l'entraînement de clapet (10) agit unilatéralement sur une articulation (16) d'un système de levier à rotule dont une extrémité est reliée de manière articulée avec le clapet supérieur (9) et dont l'autre extrémité est logée de manière articulée et fixe par rapport au dévidoir (1).
  3. Dispositif de dévidoir selon la revendication 1 ou 2,
    caractérisé en ce que
    - un premier élément de liaison (20) est relié de manière articulée, au niveau d'un premier point de clapet (22), avec le clapet supérieur (9) et, au niveau d'un premier point de bras oscillant (23), avec le bras oscillant de dévidoir (4) et
    - un deuxième élément de liaison (21) est relié de manière articulée, au niveau d'un deuxième point de clapet (24), avec le clapet supérieur (9) et, au niveau d'un deuxième point de bras oscillant (25), avec le bras oscillant de dévidoir (4).
  4. Dispositif de dévidoir selon la revendication 1, 2 ou 3,
    caractérisé en ce que
    l'entraînement de clapet (10) est fixé, avec une extrémité, de manière articulée, au bras oscillant de dévidoir (4).
  5. Dispositif de dévidoir selon l'une des revendications précédentes,
    caractérisé en ce que
    l'entraînement de clapet (10) est conçu comme une unité à vérin hydraulique.
  6. Dispositif de dévidoir selon l'une des revendications précédentes,
    caractérisé en ce que
    - le dispositif de dévidoir comprend un prolongement de clapet (26) et un entraînement de prolongement (27),
    - le prolongement de clapet (26) peut être positionné, au moyen de l'entraînement de prolongement (27), entre une position rétractée et une position déployée,
    - lorsque le bras oscillant de dévidoir (4) est posé sur le mandrin de dévidoir (3) et lorsque le clapet supérieur (9) est disposé entre le mandrin de dévidoir (3) et le rouleau de compression avant (5) du bras oscillant de dévidoir (4), le prolongement de clapet (26) est disposé, dans la position déployée, avant le clapet supérieur (9), de manière adjacente au clapet supérieur (9), vu dans la direction d'introduction (x) en direction de la bande métallique (2) et
    - le prolongement de clapet (26) est éloigné, dans la position rétractée, du clapet supérieur (9) et de la bande métallique (2), de sorte que le clapet supérieur (9) peut être déplacé contre la direction d'introduction (x).
  7. Dispositif de dévidoir selon la revendication 6,
    caractérisé en ce que
    le prolongement de clapet (26) est logé de manière articulée au niveau de son extrémité (28) la plus éloignée du dévidoir (4), de sorte que le passage du prolongement de clapet (26) de la position rétractée vers la position déployée et retour est un mouvement de pivotement.
  8. Dispositif de dévidoir selon la revendication 6 ou 7,
    caractérisé en ce que
    l'entraînement de prolongement (27) agit unilatéralement sur une articulation (29) d'un système à levier à genouillère, dont une extrémité est reliée de manière articulée avec le prolongement de clapet (26) et dont l'autre extrémité est logée de manière articulée et fixe par rapport au dévidoir (1) .
  9. Dispositif de dévidoir selon la revendication 6, 7 ou 8,
    caractérisé en ce que
    l'entraînement de prolongement (27) est conçu comme une unité de vérin hydraulique.
  10. Procédé de fonctionnement pour le dévidage d'une bande métallique (2) au moyen d'un dispositif de dévidoir selon l'une des revendications 1 à 9,
    - dans lequel la bande métallique (2) est introduite dans une direction d'introduction (x) dans un mandrin de dévidoir (3),
    - dans lequel, avant le dévidage de la bande métallique (2), un bras oscillant de dévidoir (4) au moins avec un rouleau de compression arrière (6) et un bouclier déflecteur (7) est posé sur le mandrin de dévidoir (3) de sorte que le bras oscillant de dévidoir (4) dévie la bande métallique (2) autour du mandrin de dévidoir (3),
    - dans lequel, un clapet supérieur (9), disposé en amont du dévidoir (1), vu dans la direction d'introduction (x), guide la bande métallique (1) vers le dévidoir (1), dans lequel le clapet (9)
    - est disposé, pour une bande métallique (2) mince, de sorte que le clapet (9) est disposé entre le mandrin de dévidoir (3) et un rouleau de compression avant (5) du bras oscillant de dévidoir (4), de sorte que la bande métallique (2) est déviée uniquement par le rouleau de compression arrière (6) et le bouclier déflecteur (7) du bras oscillant de dévidoir (4) autour du mandrin de dévidoir (3),
    - ou est disposé, pour une bande métallique (2) épaisse, de sorte que le clapet (9) est disposé avant le rouleau de compression avant (5) du bras oscillant de dévidoir (4), vu dans la direction d'introduction (x), de sorte que la bande métallique (2) n'est pas déviée uniquement par le rouleau de compression arrière (6) et le bouclier déflecteur (7) du bras oscillant de dévidoir (4), mais également par le rouleau de compression avant (5), autour du mandrin de dévidoir (3).
EP20216982.7A 2020-12-23 2020-12-23 Dispositif d'enroulement pour une plage de grandes épaisseurs de bandes métalliques Active EP4019158B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP20216982.7A EP4019158B1 (fr) 2020-12-23 2020-12-23 Dispositif d'enroulement pour une plage de grandes épaisseurs de bandes métalliques
ES20216982T ES2966258T3 (es) 2020-12-23 2020-12-23 Dispositivo de bobinado para una amplia gama de grosores de bandas metálicas
US17/558,786 US11904371B2 (en) 2020-12-23 2021-12-22 Coiling device for a large range of metal strip thicknesses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20216982.7A EP4019158B1 (fr) 2020-12-23 2020-12-23 Dispositif d'enroulement pour une plage de grandes épaisseurs de bandes métalliques

Publications (3)

Publication Number Publication Date
EP4019158A1 EP4019158A1 (fr) 2022-06-29
EP4019158C0 EP4019158C0 (fr) 2023-11-01
EP4019158B1 true EP4019158B1 (fr) 2023-11-01

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US (1) US11904371B2 (fr)
EP (1) EP4019158B1 (fr)
ES (1) ES2966258T3 (fr)

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Also Published As

Publication number Publication date
US11904371B2 (en) 2024-02-20
EP4019158C0 (fr) 2023-11-01
EP4019158A1 (fr) 2022-06-29
US20220193743A1 (en) 2022-06-23
ES2966258T3 (es) 2024-04-19

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