EP4019158B1 - Reel device for large thickness range of metal strips - Google Patents

Reel device for large thickness range of metal strips 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)
French (fr)
Other versions
EP4019158A1 (en
EP4019158C0 (en
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/en
Priority to ES20216982T priority patent/ES2966258T3/en
Priority to US17/558,786 priority patent/US11904371B2/en
Publication of EP4019158A1 publication Critical patent/EP4019158A1/en
Application granted granted Critical
Publication of EP4019158B1 publication Critical patent/EP4019158B1/en
Publication of EP4019158C0 publication Critical patent/EP4019158C0/en
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.

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

Description

Gebiet der Technikfield of technology

Die vorliegende Erfindung geht aus von einer Haspeleinrichtung, wobei die Haspeleinrichtung

  • einen Haspel mit einem Haspeldorn zum Haspeln eines dem Haspel in einer Zuführrichtung zugeführten Metallbandes,
  • eine Haspelschwinge mit einer hinteren Andrückrolle und einem Umlenkschild,
  • einen Schwingenantrieb, mittels dessen die Haspelschwinge an den Haspeldorn anstellbar und vom Haspeldorn wegfahrbar ist, und
  • eine dem Haspel in der Zuführrichtung gesehen vorgeordnete obere Schachtklappe zum Führen des Metallbandes zum Haspel, und
  • einen Klappenantrieb, mittels dessen die obere Schachtklappe derart positionierbar ist, dass sie bei an den Haspeldorn angestellter Haspelschwinge in der Zuführrichtung gesehen vor einer vorderen Andrückrolle der Haspelschwinge angeordnet ist, so dass das Metallband von der vorderen Andrückrolle, der hinteren Andrückrolle und dem Umlenkschild der Haspelschwinge um den Haspeldorn herum gelenkt wird, aufweist.
The present invention is based on a reel device, wherein the reel device
  • a reel with a reel mandrel for reeling a metal strip fed to the reel in a feed direction,
  • a reel rocker with a rear pressure roller and a deflection shield,
  • a rocker drive, by means of which the reel rocker can be adjusted to the reel mandrel and moved away from the reel mandrel, and
  • an upper shaft flap upstream of the reel in the feed direction for guiding the metal strip to the reel, and
  • a flap drive, by means of which the upper shaft flap can be positioned in such a way that, when the reel rocker is positioned on the reel mandrel, it is arranged in front of a front pressure roller of the reel rocker when viewed in the feed direction, so that the metal strip is removed from the front pressure roller, the rear pressure roller and the deflection shield of the reel rocker is directed around the reel mandrel.

Die vorliegende Erfindung betrifft weiterhin ein Betriebsverfahren für eine Haspeleinrichtung zum Haspeln eines Metallbandes,

  • wobei das Metallband in einer Zuführrichtung einem Haspeldorn zugeführt wird,
  • wobei vor dem Haspeln des Metallbandes eine Haspelschwinge zumindest mit einer hinteren Andrückrolle und einem Umlenkschild an den Haspeldorn angestellt wird, so dass die Haspelschwinge das Metallband um den Haspeldorn herum lenkt,
  • wobei eine dem Haspel in der Zuführrichtung gesehen vorgeordnete obere Schachtklappe das Metallband zum Haspel führt.
The present invention further relates to an operating method for a reel device for reeling a metal strip,
  • wherein the metal strip is fed to a reel mandrel in a feed direction,
  • whereby before the metal strip is reeled, a reel rocker with at least a rear pressure roller and a deflection shield is placed on the reel mandrel, so that the reel rocker directs the metal strip around the reel mandrel,
  • an upper shaft flap located upstream of the reel in the feed direction leads the metal strip to the reel.

Stand der TechnikState of the art

Eine derartige Haspeleinrichtung ist beispielsweise aus der WO 2008/083 792 A1 bekannt. Der US 4 964 587 A ist ein gleichgelagerter Offenbarungsgehalt zu entnehmen.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.

Die FR 2 876 365 A1 zeigt den Oberbegriff des Anspruchs 1.The FR 2 876 365 A1 shows the preamble of claim 1.

Zusammenfassung der ErfindungSummary of the invention

Beim Haspeln von Metallbändern bestehen je nach Dicke des zu haspelnden Metallbandes verschiedene Anforderungen an die Ausgestaltung der Haspeleinrichtung. Zum Haspeln von relativ dünnen Bändern mit einer Dicke von ca. 0,5 mm oder mehr bis maximal ca. 20 mm ist insbesondere die Haspelschwinge derart ausgebildet, dass sie zusätzlich zu der hinteren Andrückrolle keine weitere Andrückrolle aufweist und die obere Schachtklappe zusammen mit der unteren Schachtklappe einen sich zum Haspel hin verjüngenden Öffnungstrichter mit einem relativ kleinen Öffnungswinkel bildet. Zum Haspeln von relativ dicken Bändern mit einer Dicke von mindestens 1,2 mm bis maximal ca. 25 mm (genauer: meist bis 25,4 mm = ein Zoll) ist die Haspelschwinge hingegen derart ausgebildet, dass sie zusätzlich vor der hinteren Andrückrolle eine weitere Andrückrolle - also eine vordere Andrückrolle - aufweist und die obere Schachtklappe zusammen mit der unteren Schachtklappe einen sich zum Haspel hin verjüngenden Öffnungstrichter mit einem relativ großen Öffnungswinkel bildet.When reeling metal strips, there are different requirements for the design of the reeling device depending on the thickness of the metal strip to be reeled. For reeling relatively thin strips with a thickness of approximately 0.5 mm or more up to a maximum of approximately 20 mm, 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. For reeling relatively thick strips with a thickness of at least 1.2 mm to a maximum of approx. 25 mm (more precisely: usually up to 25.4 mm = one inch), 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.

Je nach Ausgestaltung der jeweiligen Haspeleinrichtung können mittels einer Haspeleinrichtung des Standes der Technik somit entweder nur dünne Bänder und mittlere Bänder oder nur mittlere Bänder und dicke Bänder gehaspelt werden, wobei dünne Bänder eine Dicke von ca. 0,5 mm bis ca. 1,2 mm aufweisen, mittlere Bänder eine Dicke von ca. 1,2 mm bis ca. 20 mm aufweisen und dicke Bänder eine Dicke von ca. 20 mm bis ca. 25 mm aufweisen. Hingegen ist es im Stand der Technik nicht möglich, mittels ein und derselben Haspeleinrichtung Bänder zu haspeln, deren Dicke einen beliebigen Wert zwischen ca. 0,5 mm und ca. 25 mm aufweist.Depending on the design of the respective reel device, 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. On the other hand, in the prior art it is not possible to use one and the same reeling device to reel strips whose thickness has an arbitrary value between approximately 0.5 mm and approximately 25 mm.

Die Aufgabe der vorliegenden Erfindung besteht darin, eine Haspeleinrichtung der eingangs genannten Art derart weiterzuentwickeln, dass sowohl ein Haspeln von dünnen Bändern als auch ein Haspeln von dicken Bändern und selbstverständlich auch ein Haspeln von mittleren Bändern - also über den gesamten möglichen Dickenbereich von ca. 0,5 mm bis ca. 25 mm - ermöglicht wird.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.

Die Aufgabe wird durch eine Haspeleinrichtung mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen der Haspeleinrichtung sind Gegenstand der abhängigen Ansprüche 2 bis 9.The task is solved by a reel device with the features of claim 1. Advantageous embodiments of the reel device are the subject of dependent claims 2 to 9.

Erfindungsgemäß wird eine Haspeleinrichtung der eingangs genannten Art dadurch ausgestaltet, dass mittels des Klappenantriebs die obere Schachtklappe alternativ derart positionierbar ist, dass sie bei an den Haspeldorn angestellter Haspelschwinge zwischen dem Haspeldorn und der vorderen Andrückrolle der Haspelschwinge angeordnet ist, so dass das Metallband nur von der hinteren Andrückrolle und dem Umlenkschild der Haspelschwinge um den Haspeldorn herum gelenkt wird.According to the invention, 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.

Dadurch können je nachdem, ob ein dünnes oder ein dickes Metallband gehaspelt werden soll, die Geometrie der Haspeleinrichtung vor dem Haspel und die effektiv wirksame Ausgestaltung der Haspelschwinge nach Bedarf eingestellt werden. Zum Haspeln eines mittleren Metallbandes können nach Belieben die eine oder die andere Geometrie und effektiv wirksame Ausgestaltung eingestellt werden.As a result, depending on whether a thin or a thick metal strip is to be reeled, the geometry of the reel device in front of the reel and the effective design of the reel rocker can be adjusted as required. For reeling a medium-sized metal strip, one or the other geometry and effective design can be adjusted as desired.

Vorzugsweise wirkt der Klappenantrieb einseitig auf ein Gelenk eines Kniehebelsystems, dessen eines Ende mit der oberen Schachtklappe gelenkig verbunden ist und dessen anderes Ende relativ zum Haspel ortsfest gelenkig gelagert ist. Dadurch werden zum einen eine günstige Kraftumleitung und zum anderen ein vorteilhafter Einbau des Klappenantriebs ermöglicht.Preferably, 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.

Vorzugsweise ist der Klappenantrieb mit einem Ende gelenkig an der Haspelschwinge befestigt. Dadurch ändert sich die Positionierung dieses Endes der oberen Schachtklappe relativ zur Haspelschwinge nicht. Vielmehr wird dieses Ende auch bei einer Ansteuerung des Schwingenantriebs und/oder des Klappenantriebs relativ zur Haspelschwinge nicht bewegt. Dies vereinfacht die Kinematik.Preferably, 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.

Der Klappenantrieb kann insbesondere als Hydraulikzylindereinheit ausgebildet sein. Dies ermöglicht eine schnelle, genaue und robuste Verstellung der oberen Schachtklappe.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.

Vorzugsweise ist vorgesehen,

  • dass ein erstes Verbindungselement mit einer ersten Klappenstelle der oberen Schachtklappe und mit einer ersten Schwingenstelle der Haspelschwinge gelenkig verbunden ist und
  • dass ein zweites Verbindungselement mit einer zweiten Klappenstelle der oberen Schachtklappe und mit einer zweiten Schwingenstelle der Haspelschwinge gelenkig verbunden ist.
Preferably it is provided
  • that a first connecting element is articulated to a first flap point of the upper shaft flap and to a first rocker point of the reel rocker and
  • that a second connecting element is articulated to a second flap point of the upper shaft flap and to a second rocker point of the reel rocker.

Diese Ausgestaltung ist robust und zuverlässig. Sie bewirkt, dass ein Ansteuern des Klappenantriebs zu einer kreisförmigen Schwenkbewegung der ersten Klappenstelle um die erste Schwingenstelle und gleichzeitig einer kreisförmigen Schwenkbewegung der zweiten Klappenstelle um die zweite Schwingenstelle führt. Die Kombination dieser beiden Bewegungen definiert zusammen mit der Anordnung der Klappenstellen und der Schwingenstellen die Bewegung der oberen Schachtklappe als Ganzes.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.

Vorzugsweise ist vorgesehen,

  • dass die Haspeleinrichtung einen Klappenfortsatz und einen Fortsatzantrieb aufweist,
  • dass der Klappenfortsatz mittels des Fortsatzantriebs zwischen einer eingefahrenen und einer ausgefahrenen Stellung positionierbar ist,
  • dass bei an den Haspeldorn angestellter Haspelschwinge und zwischen dem Haspeldorn und der vorderen Andrückrolle der Haspelschwinge angeordneter oberer Schachtklappe der Klappenfortsatz in der ausgefahrenen Stellung in der Zuführrichtung gesehen zum Metallband hin an die obere Schachtklappe angrenzend vor der oberen Schachtklappe angeordnet ist und
  • dass der Klappenfortsatz in der eingefahrenen Stellung von der oberen Schachtklappe und dem Metallband weggefahren ist, so dass die obere Schachtklappe entgegen der Zuführrichtung bewegbar ist.
Preferably it is provided
  • that the reel device has a flap extension and an extension drive,
  • that the flap extension can be positioned between a retracted and an extended position by means of the extension drive,
  • that when the reel rocker is positioned on the reel mandrel and the upper shaft flap is arranged between the reel mandrel and the front pressure roller of the reel rocker, the flap extension is arranged in the extended position in the feed direction towards the metal strip adjacent to the upper shaft flap in front of the upper shaft flap and
  • that the flap extension is moved away from the upper shaft flap and the metal band in the retracted position, so that the upper shaft flap can be moved counter to the feed direction.

Diese Ausgestaltung bewirkt, dass in der ausgefahrenen Stellung des Klappenfortsatzes zum Führen eines dünnen Metallbandes eine Führung über eine relativ große Strecke (nämlich die Länge der oberen Schachtklappe zuzüglich der Länge des Klappenfortsatzes) erreicht wird und in der eingefahrenen Stellung des Klappenfortsatzes die erforderliche Bewegungsfreiheit zum Verfahren der oberen Schachtklappe zwischen der Stellung, in welcher sie die vordere Andrückrolle verdeckt, und der Stellung, in welcher sie die vordere Andrückrolle freigibt, zur Verfügung steht.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.

Vorzugsweise ist der Klappenfortsatz an seinem vom Haspel am weitesten beabstandeten Ende gelenkig gelagert, so dass das Überführen des Klappenfortsatzes von der eingefahrenen Stellung in die ausgefahrene Stellung und zurück eine Schwenkbewegung um das vom Haspel am weitesten beabstandete Ende des Klappenfortsatzes ist. Diese Ausgestaltung ist konstruktiv einfach und zuverlässig.Preferably, 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.

Vorzugsweise wirkt der Fortsatzantrieb einseitig auf ein Gelenk eines Kniehebelsystems, dessen eines Ende mit dem Klapenfortsatz gelenkig verbunden ist und dessen anderes Ende relativ zum Haspel ortsfest gelenkig gelagert ist. Dadurch werden zum einen eine günstige Kraftumleitung und zum anderen ein vorteilhafter Einbau des Klappenantriebs ermöglicht.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.

Der Fortsatzantrieb kann insbesondere als Hydraulikzylindereinheit ausgebildet sein. Dies ermöglicht eine schnelle, genaue und robuste Verstellung des Klappenfortsatzes.The extension drive can in particular be designed as a hydraulic cylinder unit. This enables quick, precise and robust adjustment of the valve process.

Die Aufgabe wird weiterhin durch ein Betriebsverfahren zum Haspeln eines Metallbandes mit den Merkmalen des Anspruchs 10 mittels einer erfindungsgemäßen Haspeleinrichtung gelöst. Erfindungsgemäß wird ein Betriebsverfahren der eingangs genannten Art dadurch ausgestaltet, dass die Schachtklappe

  • entweder für ein dünnes Metallband derart positioniert wird, dass die Schachtklappe zwischen dem Haspeldorn und einer vorderen Andrückrolle der Haspelschwinge angeordnet ist, so dass das Metallband nur von der hinteren Andrückrolle und dem Umlenkschild der Haspelschwinge um den Haspeldorn herum gelenkt wird,
  • oder für ein dickes Metallband derart positioniert wird, dass die Schachtklappe in der Zuführrichtung gesehen vor der vorderen Andrückrolle der Haspelschwinge angeordnet ist, so dass das Metallband nicht nur von der hinteren Andrückrolle und dem Umlenkschild der Haspelschwinge, sondern zusätzlich auch von der vorderen Andrückrolle um den Haspeldorn herum gelenkt wird.
The object is further achieved by an operating method for reeling a metal strip with the features of claim 10 by means of a reel device according to the invention. According to the invention, an operating method of the type mentioned is designed in that the shaft flap
  • either for a thin metal strip is positioned in such a way that the shaft flap is arranged between the reel mandrel and a front pressure roller of the reel rocker, so that the metal strip is only guided around the reel mandrel by the rear pressure roller and the deflection shield of the reel rocker,
  • or for a thick metal strip is positioned in such a way that the shaft flap, viewed in the feed direction, is arranged in front of the front pressure roller of the reel rocker, so that the metal strip is not only surrounded by the rear pressure roller and the deflection shield of the reel rocker, but also from the front pressure roller Reel mandrel is steered around.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Die oben beschriebenen Eigenschaften, Merkmale und Vorteile dieser Erfindung sowie die Art und Weise, wie diese erreicht werden, werden klarer und deutlicher verständlich im Zusammenhang mit der folgenden Beschreibung der Ausführungsbeispiele, die in Verbindung mit den Zeichnungen näher erläutert werden. Hierbei zeigen in schematischer Darstellung:

FIG 1 bis 5
eine Haspeleinrichtung in verschiedenen Einstellungen und
FIG 6 bis 11
eine Modifikation der Haspeleinrichtung der FIG 1 bis 5 in verschiedenen Einstellungen.
The characteristics, features and advantages of this invention described above, as well as the manner in which these are achieved, will be more clearly and clearly understood in connection with the following description of the exemplary embodiments, which will be explained in more detail in connection with the drawings. This shows in a schematic representation:
FIGS. 1 to 5
a reel device in various settings and
FIGS. 6 to 11
a modification of the reel device FIGS. 1 to 5 in different settings.

Beschreibung der AusführungsformenDescription of the embodiments

Die FIG 1 bis 5 zeigen dieselbe Haspeleinrichtung. Auch die in den FIG 1 bis 5 dargestellten Elemente sind dieselben. Aus diesem Grund sind nur in FIG 1 alle Bezugszeichen eingezeichnet. In den FIG 2 bis 5 sind nur einige wenige Bezugszeichen eingezeichnet, die zum Verständnis und zur Erläuterung erforderlich sind.The 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.

Gemäß den FIG 1 bis 5 weist eine Haspeleinrichtung einen Haspel 1 auf. Mittels des Haspels 1 soll ein Metallband 2 gehaspelt werden, das dem Haspel 1 in einer Zuführrichtung x zugeführt wird. Das Metallband 1 kann beispielsweise aus Stahl oder Aluminium bestehen. Zum Haspeln des Metallbandes 2 weist der Haspel 1 einen Haspeldorn 3 auf. Der Haspeldorn 3 kann spreizbar sein. Dies ist allgemein üblich und wird daher nachstehend nicht näher erläutert. Auch der übrige Aufbau des Haspels 1 ist konventioneller Natur und wird daher nicht näher erläutert.According to the FIGS. 1 to 5 a reel device has a reel 1. Using the 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. For reeling the metal strip 2, 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.

Die Haspeleinrichtung weist weiterhin eine Haspelschwinge 4 auf. Die Haspelschwinge 4 weist ihrerseits eine vordere Andrückrolle 5, eine hintere Andrückrolle 6 und einen Umlenkschild 7 auf. Die Haspeleinrichtung weist weiterhin einen Schwingenantrieb 8 auf. Mittels des Schwingenantriebs 8 kann die Haspelschwinge 4 an den Haspeldorn 3 angestellt werden und von ihm weggefahren werden. Der Schwingenantrieb 8 kann insbesondere als Hydraulikzylindereinheit ausgebildet. Der Begriff "Hydraulikzylindereinheit" wird hierbei im generischen Sinne verwendet. Eine Hydraulikzylindereinheit weist somit mindestens einen Hydraulikzylinder auf. Die Formulierung soll aber ausdrücklich auch die Möglichkeit mit umfassen, dass mehrere Hydraulikzylinder vorhanden sind.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. 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.

Die Haspelschwinge 4 ist diejenige Haspelschwinge, von der das Metallband 2 beim Anhaspeln zuerst um den Haspeldorn 3 herum geführt wird. Sie wird in Fachkreisen üblicherweise als Haspelschwinge Nummer 1 bezeichnet. In der Regel sind weitere Haspelschwingen vorhanden (in den FIG 1 bis 5 nicht dargestellt). Die Anzahl an weiteren Haspelschwingen liegt meist bei zwei oder drei. Die weiteren Haspelschwingen weisen jeweils mindestens eine Andrückrolle und einen Umlenkschild auf. Sie können konventionell ausgestaltet sein. Die weiteren Haspelschwingen werden daher nachstehend nicht näher erläutert. Sie sind derart angeordnet, dass sie zusammen mit der erstgenannten Haspelschwinge im wesentlichen gleichmäßig um den Umfang des Haspeldorns herum angeordnet sind.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.

Weiterhin weist die Haspeleinrichtung eine obere Schachtklappe 9 auf. Die obere Schachtklappe 9 ist dem Haspel 1 in der Zuführrichtung x vorgeordnet. Sie dient dem Führen des Metallbandes 2 zum Haspel 1. Schließlich weist die Haspeleinrichtung einen Klappenantrieb 10 auf. Mittels des Klappenantriebs 10 ist die obere Schachtklappe 9 positionierbar. Der Klappenantrieb 10 kann insbesondere als Hydraulikzylindereinheit ausgebildet. Der Begriff "Hydraulikzylindereinheit" wird hierbei wie zuvor im generischen Sinne verwendet.Furthermore, 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. Finally, 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.

Die obere Schachtklappe 9 wird als obere Schachtklappe bezeichnet, weil sie während des Haspelns des Metallbandes 2 oberhalb des Metallbandes 2 angeordnet ist. In der Regel ist zusätzlich zur oberen Schachtklappe 9 entsprechend der Darstellung in den FIG 1 bis 4 auch eine untere Schachtklappe 11 vorhanden. Die untere Schachtklappe 11 ist während des Haspelns des Metallbandes 2 unterhalb des Metallbandes 2 angeordnet. Das Metallband 2 wird somit zwischen der oberen und der unteren Schachtklappe 9, 11 zu dem Haspel 1 geführt. Die untere Schachtklappe 11 kann konventionell ausgestaltet sein, insbesondere entsprechend der Darstellung in den FIG 1 bis 5 mehrteilig. Die untere Schachtklappe 11 wird daher nachstehend nicht näher erläutert.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. As a rule, in addition to the upper shaft flap 9 is as shown in the 1 to 4 There is also a lower shaft flap 11. 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.

Das Metallband 2 weist eine Dicke d auf. Die Dicke d kann unter 1 mm liegen, beispielsweise bei 0,5 mm oder 0,8 mm. Die Dicke d kann aber auch größere Werte aufweisen, beispielsweise 1,2 mm oder 2,0 mm oder 3,0 mm. Auch noch größere Werte sind möglich. Konkret kann die Dicke d bei Werten von bis ca. 25 mm liegen.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.

Nachfolgend wird in Verbindung mit den FIG 1 bis 4 zunächst die Vorgehensweise beim Haspeln des Metallbandes 2 erläutert, wenn die Dicke d des Metallbandes 2 einen relativ geringen Wert (minimal wie oben erwähnt, maximal ca. 1,2 mm) aufweist.The following is in connection with the 1 to 4 First, the procedure for reeling the metal strip 2 is explained when the thickness d of the metal strip 2 has a relatively small value (minimum as mentioned above, maximum approx. 1.2 mm).

Das Metallband 2 wird zunächst über einen Rollgang 12 mit Transportrollen 13 in einer im wesentlichen horizontalen Transportrichtung y einer Treibeinrichtung 14 zugeführt. In der Regel ist die Transportrichtung y exakt horizontal. In Einzelfällen können aber geringfügige Abweichungen von der Horizontalen von wenigen Grad (maximal 5°, in der Regel 2° und weniger) auftreten. Die Treibeinrichtung 14 ist in der Lage, das Metallband 2 von der Transportrichtung y nach unten in die Zuführrichtung x umzulenken. Die Zuführrichtung x ist somit schräg nach unten gerichtet.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. As a rule, 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.

Bevor ein Bandkopf 15 die Treibeinrichtung 14 erreicht, wird die Haspeleinrichtung in die in FIG 1 dargestellte Konfiguration gebracht. In dieser Konfiguration ist die Haspelschwinge 4 an den Haspeldorn 3 angestellt. Die hintere Andrückrolle 6 der Haspelschwinge 4 liegt daher am Haspeldorn 3 an bzw. weist vom Haspeldorn 3 einen minimalen Abstand auf, der in der Größenordnung der Dicke d des Metallbandes 2 liegt. Die obere Schachtklappe 9 ist derart positioniert, dass sie zwischen dem Haspeldorn 3 und der vorderen Andrückrolle 5 der Haspelschwinge 4 angeordnet ist. Das Metallband 2 wird daher nur von der hinteren Andrückrolle 6 und dem Umlenkschild 7 um den Haspeldorn 3 herum gelenkt. Die vordere Andrückrolle 5 ist hingegen nicht wirksam.Before a tape head 15 reaches the driving device 14, the reel device is moved into the in FIG 1 configuration shown. 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.

Während des Haspelns einiger weniger Windungen (in der Regel zwischen drei Windungen und sechs Windungen) bleibt die Haspelschwinge 4 noch an den Haspeldorn 3 angestellt. Sie wird lediglich so weit vom Haspeldorn 3 weg gefahren, dass die jeweils neue Windung des Metallbandes 2 gehaspelt werden kann. Nach dem Haspeln einiger weniger Windungen soll die Haspelschwinge 4 hingegen vom Haspeldorn 3 weg gefahren werden. Zu diesem Zweck wird zunächst - siehe FIG 2 - die Haspelschwinge 4 mittels des Schwingenantriebs 8 ein Stück vom Haspeldorn 3 weg gefahren. Das Verfahren erfolgt so weit, dass die obere Schachtklappe 9 verfahren werden kann, ohne mit dem Metallband 2 zu kollidieren. Sodann wird mittels des Klappenantriebs 10 die obere Schachtklappe 9 verfahren, so dass sie vor der vorderen Andrückrolle 5 angeordnet ist, diese also freigibt. FIG 3 zeigt diesen Zustand, also nach dem Verfahren der oberen Schachtklappe 9. Schließlich wird durch entsprechende Ansteuerung des Schwingenantriebs 8 die Haspelschwinge 4 zurückgezogen. In diesem Zustand, der in FIG 4 dargestellt ist, erfolgt dann das weitere Haspeln des - dünnen - Metallbandes 2.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.

Nunmehr wird in Verbindung mit den FIG 4 und 5 die Vorgehensweise beim Haspeln des Metallbandes 2 erläutert, wenn die Dicke d des Metallbandes 2 einen relativ großen Wert (minimal ca. 20 mm, maximal ca. 25 mm) aufweist.Now in connection with the FIG 4 and 5 The procedure for reeling the metal strip 2 is explained when the thickness d of the metal strip 2 has a relatively large value (minimum approx. 20 mm, maximum approx. 25 mm).

Das Metallband 2 wird wie zuvor zunächst über den Rollgang 12 der Treibeinrichtung 14 zugeführt und von der Treibeinrichtung 14 schräg nach unten in die Zuführrichtung x umgelenkt.As before, 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.

Bevor der Bandkopf 15 die Treibeinrichtung 14 erreicht, wird die Haspeleinrichtung in die in FIG 5 dargestellte Konfiguration gebracht. In dieser Konfiguration ist die Haspelschwinge 4 an den Haspeldorn 3 angestellt. Die hintere Andrückrolle 6 der Haspelschwinge 4 liegt daher am Haspeldorn 3 an bzw. weist vom Haspeldorn 3 einen minimalen Abstand auf, der in der Größenordnung der Dicke d des Metallbandes 2 liegt. Die obere Schachtklappe 9 ist derart positioniert, dass sie in der Zuführrichtung x gesehen vor der vorderen Andrückrolle 5 der Haspelschwinge 4 angeordnet ist. Das Metallband 2 wird daher nicht nur von der hinteren Andrückrolle 6 und dem Umlenkschild 7, sondern zusätzlich auch von der vorderen Andrückrolle 5 geführt und um den Haspeldorn 3 herum gelenkt. Die vordere Andrückrolle 5 ist also wirksam.Before the tape head 15 reaches the driving device 14, the reel device is moved into the in FIG 5 configuration shown. 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 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.

Ebenso wie beim Haspeln eines dünnen Metallbandes 2 bleibt die Haspelschwinge 4 während des Haspelns einiger weniger Windungen noch an den Haspeldorn 3 angestellt. Sie wird lediglich so weit vom Haspeldorn 3 weg gefahren, dass die jeweils neue Windung des Metallbandes 2 gehaspelt werden kann. Nach dem Haspeln einiger weniger Windungen wird die Haspelschwinge 4 hingegen vom Haspeldorn 3 weg gefahren. Im Gegensatz zur Vorgehensweise beim Haspeln eines dünnen Metallbandes 2 kann nunmehr jedoch die Haspelschwinge 4 durch entsprechende Ansteuerung des Schwingenantriebs 8 ohne weiteres vollständig zurückgezogen werden, also in den in FIG 4 dargestellten Zustand gebracht werden. In diesem Zustand erfolgt dann das weitere Haspeln des - dicken - Metallbandes 2.Just as when reeling a thin metal strip 2, 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.

Wenn das Metallband 2 eine Dicke d zwischen ca. 1,2 mm und ca. 20 mm aufweist, kann nach Belieben ein Haspeln des Metallbandes 2 entweder so wie ein Haspeln eines dünnen Metallbandes 2 oder so wie ein Haspeln eines dicken Metallbandes 2 erfolgen.If 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.

Die FIG 1 bis 5 zeigen zusätzlich zu der grundlegenden Ausgestaltung der vorliegenden Erfindung zugleich auch einige vorteilhafte Ausgestaltungen. Diese Ausgestaltungen können einzeln und unabhängig voneinander realisiert werden. Sie können nach Bedarf aber auch gemeinsam realisiert werden.The 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.

Gemäß den FIG 1 bis 5 wirkt der Klappenantrieb 10 einseitig auf ein Gelenk 16 eines Kniehebelsystems. An dem Gelenk 16 sind zwei Gelenkarme 17, 18 des Kniehebelsystems gelenkig miteinander verbunden. Das Ende des einen Gelenkarms 17 ist mit der oberen Schachtklappe 9 gelenkig verbunden. Das Ende des anderen Gelenkarms 18 ist an einem Befestigungsort 19 gelenkig gelagert. Der Befestigungsort 19 ist relativ zum Haspel 1 ortsfest. Insbesondere ist er nicht an der Haspelschwinge 4 angeordnet.According to the FIGS. 1 to 5 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.

Weiterhin ist der Klappenantrieb 10 mit einem Ende gelenkig an der Haspelschwinge 4 befestigt. Dieses Ende bewegt sich - siehe insbesondere FIG 4 - somit beim Bewegen der Haspelschwinge 4 entsprechend mit.Furthermore, 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.

Weiterhin ist die obere Schachtklappe 9 mit der Haspelschwinge 4 über ein erstes und ein zweites Verbindungselement 20, 21 verbunden. Konkret ist das erste Verbindungselement 20 mit einer ersten Klappenstelle 22 der oberen Schachtklappe 9 und mit einer ersten Schwingenstelle 23 der Haspelschwinge 4 gelenkig verbunden. In ähnlicher Weise ist das zweite Verbindungselement 21 mit einer zweiten Klappenstelle 24 der oberen Schachtklappe 9 und mit einer zweiten Schwingenstelle 25 der Haspelschwinge 4 gelenkig verbunden. Die erste Klappenstelle 22 ist in der Zuführrichtung x gesehen vor der zweiten Klappenstelle 24 angeordnet. In analoger Weise ist die erste Schwingenstelle 23 in der Zuführrichtung x gesehen vor der zweiten Schwingenstelle 25 angeordnet. Die geschwungene Form des zweiten Verbindungselements 21 dient der Überbrückung einer - nicht dargestellten - Antriebswelle zum Antreiben der vorderen Andrückrolle 5. Der guten Ordnung halber wird darauf hingewiesen, dass die Begriffe "Klappenstelle" und "Schwingenstelle" lediglich darauf hinweisen sollen, an welchem Element sich die jeweilige Stelle befindet, nämlich an der oberen Schachtklappe 9 bzw. an der Haspelschwinge 4. Eine weitergehende Bedeutung ist mit der Begriffswahl nicht verbunden.Furthermore, the upper shaft flap 9 is connected to the reel rocker 4 via a first and a second connecting element 20, 21. Specifically, 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. In a similar manner, 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. In an analogous manner, 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. For the sake of order, it should be noted that 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.

Nachfolgend wird in Verbindung mit den FIG 6 bis 11 eine wichtige Modifikation der vorliegenden Erfindung erläutert.The following is in connection with the FIGS. 6 to 11 an important modification of the present invention is explained.

Die wichtige Modifikation der FIG 6 bis 11 baut auf der grundlegenden Ausgestaltung der FIG 1 bis 5 auf. Die oben stehend getroffenen Ausführungen sind also weiterhin gültig. Weiterhin zeigen die FIG 6 bis 11 - analog zu den FIG 1 bis 5 - dieselbe Haspeleinrichtung. Aus diesem Grund sind nur die zusätzlichen Elemente und auch dies nur in FIG 6 mit ihrem jeweiligen Bezugszeichen versehen. In den FIG 7 bis 11 sind nur einige wenige Bezugszeichen eingezeichnet, die zum Verständnis und zur Erläuterung erforderlich sind.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.

Im Rahmen dieser Modifikation weist die Haspeleinrichtung zusätzlich zu den in Verbindung mit den FIG 1 bis 5 erläuterten Elementen einen Klappenfortsatz 26 auf. Weiterhin weist die Haspeleinrichtung einen Fortsatzantrieb 27 auf. Mittels des Fortsatzantriebs 27 ist der Klappenfortsatz 26 zwischen einer ausgefahrenen Stellung (siehe FIG 6) und einer eingefahrenen Stellung (siehe die FIG 7 bis 11) positionierbar. Der Fortsatzantrieb 27 kann insbesondere als Hydraulikzylindereinheit ausgebildet. Der Begriff "Hydraulikzylindereinheit" wird hierbei wie zuvor im generischen Sinne verwendet. Die obere Schachtklappe 9 ist in der Regel etwas kürzer als bei der Ausgestaltung der FIG 1 bis 5.As part of this modification, 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. By means of the 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 .

Wenn die Haspelschwinge 4 an den Haspeldorn 3 angestellt ist und weiterhin die obere Schachtklappe 9 zwischen dem Haspeldorn 3 und der vorderen Andrückrolle 5 der Haspelschwinge 4 angeordnet ist, ist der Klappenfortsatz 26 in der ausgefahrenen Stellung in der Zuführrichtung x gesehen zum Metallband 2 hin vor der oberen Schachtklappe 9 angeordnet. Der Klappenfortsatz 26 grenzt hierbei (Stoß an Stoß oder mit einem geringen Abstand oder mit einer geringen Überlappung) an die obere Schachtklappe 9 an. Die Anordnung des Klappenfortsatzes 26 vor der oberen Schachtklappe 9 kann insbesondere fluchtend sein. Das Metallband 2 wird also zuerst vom Klappenfortsatz 26 und sodann von der oberen Schachtklappe 9 zum Haspeldorn 3 geführt. In der eingefahrenen Stellung hingegen ist der Klappenfortsatz 26 von der oberen Schachtklappe 9 und dem Metallband 2 weggefahren. Dadurch ist die obere Schachtklappe 9 entgegen der Zuführrichtung x bewegbar.When the reel rocker 4 is positioned on the reel mandrel 3 and the upper shaft flap 9 is also arranged between the reel mandrel 3 and the front pressure roller 5 of the reel rocker 4, 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.

Nachfolgend wird in Verbindung mit den FIG 6 bis 10 zunächst die Vorgehensweise beim Haspeln des Metallbandes 2 erläutert, wenn die Dicke d des Metallbandes 2 einen relativ geringen Wert aufweist, in der Regel von ca. 1,2 mm oder weniger.The following is in connection with the FIGS. 6 to 10 First, 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.

Das Metallband 2 wird zunächst - analog zu der Vorgehensweise bei der Ausgestaltung der FIG 1 bis 5 - über den Rollgang 12 der Treibeinrichtung 14 zugeführt und von der Treibeinrichtung 14 schräg nach unten in die Zuführrichtung x umgelenkt.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.

Bevor der Bandkopf 15 die Treibeinrichtung 14 erreicht, wird die Haspeleinrichtung in die in FIG 6 dargestellte Konfiguration gebracht. Diese Konfiguration entspricht, soweit es ist die Haspelschwinge 4 und die obere Schachtklappe 9 betrifft, der Konfiguration von FIG 1. Weiterhin ist in dieser Konfiguration der Klappenfortsatz 26 in der ausgefahrenen Stellung angeordnet. Er befindet sich also vor der oberen Schachtklappe 9 und verlängert diese sozusagen.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.

Bereits unmittelbar nach dem Anhaspeln, also sobald der Bandkopf 15 von der hinteren Andrückrolle 6 und dem Umlenkschild 7 geführt und umgelenkt wird, kann der Klappenfortsatz 26 mittels des Fortsatzantriebs 27 in die eingefahrene Stellung (FIG 7) überführt werden. Die weitere Konfiguration - also insbesondere die Positionierung der Haspelschwinge 4 und der oberen Schachtklappe 9 - wird ebenso wie bei FIG 1 noch beibehalten. Während des Haspelns einiger weniger Windungen bleibt die Haspelschwinge 4 also noch an den Haspeldorn 3 angestellt und wird lediglich so weit vom Haspeldorn 3 weg gefahren, dass die jeweils neue Windung des Metallbandes 2 gehaspelt werden kann.Immediately after reeling, i.e. as soon as the band head 15 is guided and deflected by the rear pressure roller 6 and the deflection shield 7, 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.

Nach dem Haspeln einiger weniger Windungen wird die Haspelschwinge 4 vom Haspeldorn 3 weg gefahren. Zu diesem Zweck wird zunächst - siehe FIG 8 - die Haspelschwinge 4 mittels des Schwingenantriebs 8 ein Stück vom Haspeldorn 3 weg gefahren. Sodann wird mittels des Klappenantriebs 10 die obere Schachtklappe 9 verfahren, so dass sie vor der vorderen Andrückrolle 5 angeordnet ist, diese also freigibt. FIG 9 zeigt diesen Zustand, also nach dem Verfahren der oberen Schachtklappe 9. Schließlich wird durch entsprechende Ansteuerung des Schwingenantriebs 8 die Haspelschwinge 4 zurückgezogen. In diesem Zustand, der in FIG 10 dargestellt ist, erfolgt dann das weitere Haspeln des - dünnen - Metallbandes 2.After reeling a few turns, the reel rocker 4 is moved away from the reel mandrel 3. For this purpose, first - see FIG 8 - 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. Finally, 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.

Nunmehr wird in Verbindung mit den FIG 10 und 11 die Vorgehensweise beim Haspeln des Metallbandes 2 erläutert, wenn die Dicke d des Metallbandes 2 einen relativ großen Wert (minimal ca. 20 mm, maximal ca. 25 mm) aufweist.Now in connection with the FIG 10 and 11 The procedure for reeling the metal strip 2 is explained when the thickness d of the metal strip 2 has a relatively large value (minimum approx. 20 mm, maximum approx. 25 mm).

Das Metallband 2 wird wie zuvor zunächst über den Rollgang 12 der Treibeinrichtung 14 zugeführt und von der Treibeinrichtung 14 schräg nach unten in die Zuführrichtung x umgelenkt.As before, 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.

Bevor der Bandkopf 15 die Treibeinrichtung 14 erreicht, wird die Haspeleinrichtung in die in FIG 11 dargestellte Konfiguration gebracht. Diese Konfiguration entspricht, soweit es die Haspelschwinge 4 und die obere Schachtklappe 9 betrifft, der Konfiguration von FIG 5. Weiterhin ist in dieser Konfiguration der Klappenfortsatz 26 in der eingefahrenen Stellung angeordnet.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.

In dieser Konfiguration ist die Haspelschwinge 4 an den Haspeldorn 3 angestellt. Die hintere Andrückrolle 6 der Haspelschwinge 4 liegt daher am Haspeldorn 3 an bzw. weist vom Haspeldorn 3 einen minimalen Abstand auf, der in der Größenordnung der Dicke d des Metallbandes 2 liegt. Die obere Schachtklappe 9 ist derart positioniert, dass sie in der Zuführrichtung x gesehen vor der vorderen Andrückrolle 5 der Haspelschwinge 4 angeordnet ist. Das Metallband 2 wird daher nicht nur von der hinteren Andrückrolle 6 und dem Umlenkschild 7, sondern zusätzlich auch von der vorderen Andrückrolle 5 geführt und um den Haspeldorn 3 herum gelenkt. Die vordere Andrückrolle 5 ist also wirksam.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, 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.

Ebenso wie beim Haspeln eines dünnen Metallbandes 2 bleibt die Haspelschwinge 4 während des Haspelns einiger weniger Windungen noch an den Haspeldorn 3 angestellt. Sie wird lediglich so weit vom Haspeldorn 3 weg gefahren, dass die jeweils neue Windung des Metallbandes 2 gehaspelt werden kann. Nach dem Haspeln einiger weniger Windungen wird die Haspelschwinge 4 hingegen vom Haspeldorn 3 weg gefahren. Im Gegensatz zur Vorgehensweise beim Haspeln eines dünnen Metallbandes 2 kann nunmehr jedoch die Haspelschwinge 4 durch entsprechende Ansteuerung des Schwingenantriebs 8 ohne weiteres vollständig zurückgezogen werden, also in den in FIG 10 dargestellten Zustand gebracht werden. In diesem Zustand erfolgt dann das weitere Haspeln des - dicken - Metallbandes 2.Just as when reeling a thin metal strip 2, 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.

Zusammenfassend ausgedrückt: Der Klappenfortsatz 26 wird nur beim Anhaspeln eines dünnen Metallbandes 2 eingeschwenkt, also in die ausgefahrene Stellung gebracht. Nach dem Anhaspeln des dünnen Metallbandes 2 wird er ausgeschwenkt, also in die eingefahrene Stellung gebracht. Beim Haspeln eines dicken Metallbandes 2 bleibt der Klappenfortsatz 26 permanent in der eingefahrenen Stellung.To summarize: 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.

Wenn das Metallband 2 eine Dicke d zwischen ca. 1,2 mm und ca. 20 mm aufweist kann nach Belieben ein Haspeln des Metallbandes 2 entweder so wie ein Haspeln eines dünnen Metallbandes 2 oder so wie ein Haspeln eines dicken Metallbandes 2 erfolgen.If 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.

Die FIG 6 bis 11 zeigen zusätzlich zu der wichtigen Modifikation der vorliegenden Erfindung zugleich auch die bereits in Verbindung mit den FIG 1 bis 5 erläuterten vorteilhaften Ausgestaltungen. Diese Ausgestaltungen können auch bei der Modifikation der FIG 6 bis 11 nach Bedarf einzeln und unabhängig voneinander realisiert werden oder auch nicht realisiert werden. Sie können weiterhin auch gemeinsam realisiert werden. Weiterhin zeigen die FIG 6 bis 11 einige weitere vorteilhafte Ausgestaltungen der wichtigen Modifikation. Diese Ausgestaltungen können einzeln und unabhängig voneinander realisiert werden. Sie können nach Bedarf aber auch gemeinsam realisiert werden.The 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.

Entsprechend der Darstellung in den FIG 6 bis 11 ist der Klappenfortsatz 26 an seinem vom Haspel 1 am weitesten beabstandeten Ende 28 gelenkig gelagert. Somit ist das Überführen des Klappenfortsatzes 26 von der eingefahrenen Stellung in die ausgefahrene Stellung und umgekehrt eine Schwenkbewegung um dieses Ende 28.According to the representation in the FIGS. 6 to 11 the 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.

Weiterhin wirkt der Fortsatzantrieb 27 einseitig auf ein Gelenk 29 eines Kniehebelsystems. An dem Gelenk 29 sind zwei Gelenkarme 30, 31 des Kniehebelsystems gelenkig miteinander verbunden. Das Ende des einen Gelenkarms 30 ist mit dem Klappenfortsatz 26 gelenkig verbunden. Das Ende des anderen Gelenkarms 31 ist an einem Befestigungsort 32 gelenkig gelagert. Der Befestigungsort 32 ist relativ zum Haspel 1 ortsfest. Insbesondere ist er nicht an der Haspelschwinge 4 angeordnet.Furthermore, the 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.

Die vorliegende Erfindung weist viele Vorteile auf. Insbesondere können mittels der erfindungsgemäßen Haspeleinrichtung Metallbänder 2 über einen großen Dickenbereich gehaspelt werden. Weiterhin ist der Aufbau wartungsarm, robust und zuverlässig. Schließlich ist auch ohne weiteres ein Umbau bestehender Haspeleinrichtungen möglich.The present invention has many advantages. In particular, metal strips 2 can be coiled over a large thickness range using the coiling device according to the invention. Furthermore, the structure is low-maintenance, robust and reliable. Finally, it is also possible to easily convert existing reel systems.

Obwohl die Erfindung im Detail durch das bevorzugte Ausführungsbeispiel näher illustriert und beschrieben wurde, so ist die Erfindung nicht durch die offenbarten Beispiele eingeschränkt und andere Varianten können vom Fachmann hieraus abgeleitet werden, ohne den Schutzumfang der Ansprüche zu verlassen.Although the invention has been illustrated and described in detail by the preferred embodiment, the invention is not limited by the examples disclosed and other variants can be derived therefrom by those skilled in the art without departing from the scope of the claims.

BezugszeichenlisteReference symbol list

11
Haspelreel
22
Metallbandmetal band
33
Haspeldornreel mandrel
44
HaspelschwingeReel swing
55
vordere Andrückrollefront pressure roller
66
hintere Andrückrollerear pressure roller
77
Umlenkschilddeflection sign
88th
SchwingenantriebSwingarm drive
99
obere Schachtklappeupper shaft hatch
1010
KlappenantriebFlap drive
1111
untere Schachtklappelower shaft hatch
1212
RollgangRoller table
1313
TransportrollenTransport rollers
1414
TreibeinrichtungDriving device
1515
BandkopfBand head
1616
Gelenkjoint
17, 1817, 18
GelenkarmeArticulated arms
1919
BefestigungsortMounting location
20, 2120, 21
VerbindungselementeFasteners
22, 2422, 24
Klappenstellenflap locations
23, 2523, 25
SchwingenstellenSwingarm locations
2626
KlappenfortsatzValvular process
2727
Fortsatzantriebextension drive
2828
EndeEnd
2929
Gelenkjoint
30, 3130, 31
GelenkarmeArticulated arms
3232
BefestigungsortMounting location
dd
Dickethickness
xx
Zuführrichtungfeed direction
yy
TransportrichtungTransport direction

Claims (10)

  1. Coiling device, wherein the coiling device comprises
    - a coiler (1) having a coiling mandrel (3) for coiling a metal strip (2) which is fed in a feed direction (x) to the coiler (1),
    - a coiling swing arm (4) having a rear pressure roller (6), a front pressure roller (5) and a deflection plate (7),
    - a swing arm drive (8) by means of which the coiling swing arm (4) can be lined up with the coiling mandrel (3) and driven away from the coiling mandrel (3),
    - an upper duct flap (9) which is arranged upstream of the coiler (1) as seen in the feed direction (x) for the purpose of guiding the metal strip (2) to the coiler (1), and
    - a flap drive (10) by means of which the upper duct flap (9) can be positioned in such a way that, when the coiling swing arm (4) is lined up with the coiling mandrel (3), said upper duct flap is arranged upstream of the front pressure roller (5) of the coiling swing arm (4) as seen in the feed direction (x), with the result that the metal strip (2) is deflected around the coiling mandrel (3) by the front pressure roller (5), the rear pressure roller (6) and the deflection plate (7) of the coiling swing arm (4),
    characterized
    in that, by means of the flap drive (10), the upper duct flap (9) can alternatively be positioned in such a way that, when the coiling swing arm (4) is lined up with the coiling mandrel (3), said upper duct flap is arranged between the coiling mandrel (3) and the front pressure roller (5) of the coiling swing arm (4), with the result that the metal strip (2) is deflected around the coiling mandrel (3) only by the rear pressure roller (6) and the deflection plate (7) of the coiling swing arm (4).
  2. Coiling device according to Claim 1,
    characterized
    in that the flap drive (10) acts on one side on a joint (16) of a toggle lever system, one end of which is connected in an articulated manner to the upper duct flap (9) and the other end of which is mounted in an articulated manner so as to be positionally fixed relative to the coiler (1).
  3. Coiling device according to Claim 1 or 2,
    characterized
    - in that a first connecting element (20) is connected in an articulated manner to the upper duct flap (9) at a first flap point (22) and to the coiling swing arm (4) at a first swing arm point (23), and
    - in that a second connecting element (21) is connected in an articulated manner to the upper duct flap (9) at a second flap point (24) and to the coiling swing arm (4) at a second swing arm point (25).
  4. Coiling device according to Claim 1, 2 or 3,
    characterized
    in that one end of the flap drive (10) is fastened in an articulated manner to the coiling swing arm (4).
  5. Coiling device according to one of the preceding claims,
    characterized
    in that the flap drive (10) is configured in the form of a hydraulic cylinder unit.
  6. Coiling device according to one of the preceding claims,
    characterized
    - in that the coiling device comprises a flap extension (26) and an extension drive (27),
    - in that the flap extension (26) can be positioned between a retracted and an extended position by means of the extension drive (27),
    - in that when the coiling swing arm (4) is lined up with the coiling mandrel (3) and the upper duct flap (9) is arranged between the coiling mandrel (3) and the front pressure roller (5) of the coiling swing arm (4), the flap extension (26) in the extended position is arranged upstream of the upper duct flap (9), as seen in the feed direction (x), so as to adjoin the upper duct flap (9) in the direction of the metal strip (2), and
    - in that the flap extension (26) in the retracted position has been driven away from the upper duct flap (9) and the metal strip (2), such that the upper duct flap (9) can be moved counter to the feed direction (x).
  7. Coiling device according to Claim 6,
    characterized
    in that the flap extension (26), at its end (28) furthest away from the coiler (4), is mounted in an articulated manner such that the transfer of the flap extension (26) from the retracted position to the extended position and back is a pivoting movement.
  8. Coiling device according to Claim 6 or 7,
    characterized
    in that the extension drive (27) acts on one side on a joint (29) of a toggle lever system, one end of which is connected in an articulated manner to the flap extension (26) and the other end of which is mounted in an articulated manner so as to be positionally fixed relative to the coiler (1).
  9. Coiling device according to Claim 6, 7 or 8,
    characterized
    in that the extension drive (27) is configured in the form of a hydraulic cylinder unit.
  10. Operating method for coiling a metal strip (2) by means of a coiling device according to one of Claims 1 to 9,
    - wherein the metal strip (2) is fed in a feed direction (x) to a coiling mandrel (3),
    - wherein, prior to the coiling of the metal strip (2), at least a rear pressure roller (6) and a deflection plate (7) of a coiling swing arm (4) are lined up with the coiling mandrel (3), such that the coiling swing arm (4) deflects the metal strip (2) around the coiling mandrel (3),
    - wherein an upper duct flap (9) which is arranged upstream of the coiler (1) as seen in the feed direction (x) guides the metal strip (2) to the coiler (1), wherein the duct flap (9)
    - is either positioned for a thin metal strip (2) in such a way that the duct flap (9) is arranged between the coiling mandrel (3) and a front pressure roller (5) of the coiling swing arm (4), with the result that the metal strip (2) is deflected around the coiling mandrel (3) only by the rear pressure roller (6) and the deflection plate (7) of the coiling swing arm (4),
    - or is positioned for a thick metal strip (2) in such a way that the duct flap (9) is arranged upstream of the front pressure roller (5) of the coiling swing arm (4) as seen in the feed direction (x), with the result that the metal strip (2) is deflected around the coiling mandrel (3) not only by the rear pressure roller (6) and the deflection plate (7) of the coiling swing arm (4) but additionally also by the front pressure roller (5).
EP20216982.7A 2020-12-23 2020-12-23 Reel device for large thickness range of metal strips Active EP4019158B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP20216982.7A EP4019158B1 (en) 2020-12-23 2020-12-23 Reel device for large thickness range of metal strips
ES20216982T ES2966258T3 (en) 2020-12-23 2020-12-23 Winding device for a wide range of metal strip thicknesses
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 (en) 2020-12-23 2020-12-23 Reel device for large thickness range of metal strips

Publications (3)

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

Family

ID=74183013

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20216982.7A Active EP4019158B1 (en) 2020-12-23 2020-12-23 Reel device for large thickness range of metal strips

Country Status (3)

Country Link
US (1) US11904371B2 (en)
EP (1) EP4019158B1 (en)
ES (1) ES2966258T3 (en)

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Also Published As

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

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