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
  • B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
  • B21C47/245—Devices for the replacement of full reels by empty reels or vice versa, without considerable loss of time
• • 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
  • B65H18/02—Supporting web roll
  • B65H18/021—Multiple web roll supports
  • B65H18/0212—Turrets
• • 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
  • B65H19/2207—Changing the web roll in winding mechanisms or in connection with winding operations the web roll being driven by a winding mechanism of the centre or core drive type
  • B65H19/2215—Turret-type with two roll supports
• • 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
  • B65H2301/413—Supporting web roll
  • B65H2301/4136—Mounting arrangements not otherwise provided for
  • B65H2301/41362—Mounting arrangements not otherwise provided for one of the supports for the roller axis being movable as auxiliary bearing
• • 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

• the invention relates to a supporting device for a turning reel for reeling a metal strip, comprising at least one support unit which can be brought into a support contact with a free end section of a reel mandrel of the reversing reel used for reeling.
• the invention relates to a coiler for reeling a metal strip, comprising at least one turning reel rotatably arranged about an axis of rotation with at least two reel mandrels and at least one supporting device for supporting a free end portion of the reel mandrel respectively used for reeling.
• a rolled metal strip can optionally be wound up after rolling on a coiler mandrel or on the reel mandrel plugged winding tube and later unwound again.
• turnable reels also called rotor reels, are used, which have at least two reel mandrels and in which positions of the reel mandrels are changed during a reeling operation or turning operation.
• the coiler mandrels are fixedly mounted on the drive side in a reversing gear unit.
• reeling a metal strip on the respective reel mandrel is a two-sided support of the coiler mandrel or a consequent symmetrical bending line of the coiler mandrel important to ensure a stable tape during reeling.
• the winding of a metal strip on a coiler mandrel is under tape tension.
• the metal strip is wound with few, usually three initial turns on the coiler mandrel.
• a wound coil assembly with a target speed and a strip tension to predetermined values. Since a high torsion and bending load of the coiler mandrel are given by tape tension and wound coil weight, the free end portion of a coiler mandrel is supported from an earliest possible time to intercept the above charges. The same applies analogously, albeit rarely occurring, for an unwinding process in which a metal strip is unwound from a coiler mandrel.
• an initial wind-up operation of a wind-up operation is usually "flying", ie without supporting the free end portion of the respective coiler mandrel used
• the coiler mandrel used for reeling is in a ready-winding position and a separate, stationary mandrel support bearing is pivoted in
• the permissible weight and tensile loads are relatively limited.
• the one-sided support of the coiler mandrel results in a bending line of the coiler mandrel, which, starting at the one-sided support, shows an asymmetrical course to the metal strip.
• DE 698 17 437 T2 discloses a reversible reel for winding a metal strip into a coil.
• a rotor axis of the reversing reel which runs centrally between the two reel mandrels, another axis is guided, sitting on the two pivotable reel outer bearings. Further support of the reel mandrels can be done via bearing arms, so that when turning the reversible reel the reel mandrels change their position and the others Supports follow the rotation.
• Such a position-related coupling to the rotor axis massively increases the rotor, because the maximum collar diameter must not protrude beyond the rotor axis, otherwise the rotor can not rotate functionally.
• the accessibility to the winding positions is restricted.
• An object of the invention is to provide an improved continuous support of a free end portion of a coiler mandrel of a turnover reel during a complete reeling operation.
• Embodiments of the support device can correspond to embodiments of the coiler, and vice versa, even if not explicitly indicated in the following case in individual cases.
• a turning reel comprises at least two reel mandrels with free end portions.
• the turning reel is rotated, whereby the reeling mandrel respectively used for reeling is moved from a winding position to a finish winding position.
• the reel mandrel is supported with the support device according to the invention, which transfers the support function to a known per se, preferably stationary Dornstützlager.
• the guide unit is designed such that the support unit, standing in contact with the coiler mandrel and this can follow during the entire turning process.
• the reel mandrel respectively used for reeling can be supported by a separate device, independently of the remaining operation and the remaining construction of the reversing reel.
• this support device according to the invention which is otherwise independent of the reel, transfers the supported reel mandrel to a stationary, stable, pivotable mandrel support bearing, which can be of conventional design.
• a manual or motor, in particular automatic, return of the support unit can be carried to its initial position in which it can support the free end portion of the other coiler mandrel located in its Anwickelposition.
• the support unit can assume a waiting position in order to ensure free space for the logistics on the turning reel.
• the support of the reel mandrel respectively used for reeling with the supporting device according to the invention is designed in such a way that a certain value of the strip tension for the entire reeling process can already be built up when the first turns are wound on.
• band tension fluctuations during a turning process are minimized with the support device according to the invention. Due to the support according to the invention, higher belt pulls can generally be realized. In this case, existing components of the reversing reel and the supporting device are no longer mechanically stressed, because a largely symmetrical force distribution on both sides of the coiler mandrel is possible.
• a higher strip tension enables performance increases on a rolling mill upstream of the turning reel in the form of higher belt speeds or expansion of the product spectrum in the direction of higher-grade material grades.
• a symmetrical bending line of the coiler mandrel also leads to a favorable load distribution of the acting wound coil and wound coil weight. As a result, the design and life of individual parts make it cheaper. Furthermore, the winding result is improved, since the band profile improves in terms of telescoping of the winding collar.
• the reversible reel can be used as a take-up reel or uncoiler. In both cases, an improved support of the free end portion of the respective coiler mandrel can be done with the support device according to the invention. Under the reeling can be understood in the invention, a winding or unwinding of a metal strip.
• the support device preferably comprises a guide unit and at least one support unit.
• the guide unit can be made of metal and have at least one guide rail.
• the support unit may have at least one carriage section, which is guided on the guide rail.
• the guide unit comprises a semicircular portion and two adjoining straight legs, wherein the support unit is guided with respect to a center of the semicircular portion radially inwardly displaceably on the guide unit. Thereafter, the guide unit is U-shaped, with the legs carry the semi-circular portion.
• the semicircular portion is arranged and arranged to be coaxial with a circular path along which the reel mandrels are moved during a turning operation of the reversing reel, the radius of the former circular path being greater than the latter circular path. That the support unit with respect to the center of the semicircular portion is guided radially inwardly displaceable on the guide unit, means that the guide unit supports the support unit radially outward.
• the support unit comprises at least one bearing bush, in which the free end portion is insertable and which forms at least one radial bearing or has. If the free end portion is inserted into the bearing bush, it is positively connected to the bearing bush or the support unit. In this way, both tensile forces and compressive forces can be transmitted from the supported reel mandrel via the support unit to the guide unit. This allows a very good support of the free end portion of the coiler mandrel.
• the bushing can for example form a sliding bearing in which the free end portion is slidably guided.
• the support unit comprises a contact surface, which can be brought into the support contact with the free end section and is circular-arc-shaped and has an associated center angle smaller than 180 °.
• the center point angle can be less than 150 °, in particular less than 130 °.
• the support unit comprises at least one slidably guided on the guide unit guide member and at least one engageable in the support contact with the free end portion support member, wherein the support member is pivotally connected to the guide member that between a support position in which the support member is in the support contact with the free end portion, and a release position in which the support member is not in the support contact with the free end portion, is movably disposed on the guide member.
• the support member Before a reel operation, the support member may be in its release position. The support unit is moved to a suitable Abstützterrorismsposition before the reel operation.
• the support element is pivoted from its release position into its supporting position, in which it now supports the reel mandrel respectively used for reeling at a free end region.
• the support element remains at least as long in its support position until the coiler mandrel reaches its Fertigwickelpostion. After reaching the Fertigwickelpostion the transfer of the free end portion of the coiler mandrel can be introduced to a stationary mandrel support bearing.
• the stationary mandrel support can be swung in and thus takes over the support task. Subsequently, the support member can be pivoted from its support position to its release position, whereby the support member releases the free end portion of the coiler mandrel.
• the support member may be hingedly connected to the guide member via at least one hinge.
• the support device comprises at least one drive, with which the support unit along the guide unit is movable.
• the support unit can be moved by the support device automatically along the guide unit.
• the support unit could be taken along by the reel mandrel used for reeling during a turning or reeling operation of the reel.
• the drive can also be used to return the support unit from a support end position to a support start position.
• the drive can, for example, have an electric motor with a drive pinion, which engages in a toothed rack which is arranged on the guide unit and extends in a partially curved manner.
• the drive can be controlled by means of an electronics of the support device such that the movement of the support unit is synchronized to a movement of the reel mandrel respectively used for reeling.
• the electronics may for example have a sensor with which the movement of the coiler mandrel or the turning reel can be detected.
• a reel system for reeling a metal strip comprises at least one turning reel rotatably arranged about a rotation axis with at least two reel mandrels and at least one supporting device for supporting a free end portion of the reel mandrel respectively used for reeling, wherein the support device according to one of the aforementioned embodiments or any combination of at least two of these embodiments is formed with each other.
• the coiler unit comprises at least one drive for rotating the reversing reel so that the reel mandrel used for reeling is movable from a winding position to a prefabricated winding position during the hasp, wherein a movement of the support unit along the guide unit with a movement of the reel mandrel used for reeling is synchronized.
• the support device may have a drive unit that actuates the support device with a sensor system with which the movement of the reversible reel can be detected.
• the coiler assembly comprises at least one mandrel support bearing with at least one support arm which is movably disposed between a rest position and a support position in which the support arm is supported from below the coiler mandrel in its final winding position.
• the mandrel support bearing may be stationary and takes over the support of the free end portion of the reel mandrel respectively used for reeling in the final winding position thereof of the support unit.
• Figure 1 is a schematic representation of an embodiment of a reel system according to the invention in three different Abst Reifenzulindn;
• Figure 2 is a schematic representation of an embodiment of a coiler according to the invention before threading a metal strip
• Figure 3 is a schematic representation of the coiler shown in Figure 2 when threading a metal strip
• FIG. 4 shows a schematic representation of the coiling installation shown in FIGS. 2 and 3 during a winding process
• FIG. 5 is a schematic representation of the coiler shown in Figures 2 to 4 during a turning operation
• FIG. 6 shows a schematic illustration of the coiler system shown in FIGS. 2 to 5 upon reaching a finish winding position
• Figure 7 is a schematic representation of the reel system shown in Figures 2 to 6 with active mandrel support bearing;
• Figure 8 is a schematic representation of the reel system shown in Figures 2 to 7 during a return of the support unit.
• Figure 1 shows a schematic representation of an embodiment of a coiler unit 1 according to the invention for reeling a metal strip 2 in three different Abst Reifenzupartyn.
• the coiler 1 comprises a turning reel 4 rotatably disposed about a turning reel 4 with two reel mandrels 5 and a supporting device 6 for supporting a free end portion of the coiler mandrel used for reel 5, wherein in Figure 1, only three different positions of a single coiler mandrel 5 are shown and Further coiler mandrel for reasons of clarity is not shown.
• the coiler 1 comprises a drive, not shown, for rotating the reversible reel 4, so that the coiler mandrel 5 used for reeling from a Anwickelposition shown on the left in Figure 1 in a shown on the right in Figure 1 Fertigwickelposition is movable. In the Anwickelposition optionally a winding tube, not shown, are placed on the coiler mandrel 5.
• the supporting device 6 comprises a support unit 7 standing in a support contact with a free end section of the reel mandrel 5 used for reeling and a guide unit 8 on which the support unit 7 is displaceably guided and which supports the support unit 7 in any position of the support unit 7 relative to the guide unit 8 supported.
• the support unit 7 is shown in an intermediate position or waiting position.
• the guide unit 8 comprises a semicircular portion 9 and two adjoining straight legs 10, wherein the support unit 7 is guided radially inwardly on the guide unit 8 with respect to a center of the semicircular portion 9 which lies on the rotation axis 3.
• the support device 6 comprises a drive 1 1, with which the support unit 7 along the guide unit 8 is movable. A movement of the support unit 7 along the guide unit 8 is synchronized with a movement of the reel mandrel 5 used for reeling.
• the support unit 7 comprises a bearing bush 12 into which the free end portion of the coiler mandrel 5 is inserted and which forms or has at least one radial bearing (not shown).
• the support unit 7 comprises a guided guide element 13 slidably guided on the guide unit 8 and a support element 14 standing in the support contact with the free end section of the coiler mandrel 4.
• the bearing bush 12 is arranged on the support element 14.
• the support member 14 is pivotally connected to the guide member 13 such that it is between a support position shown in Figure 1, in which the support member 14 is in support contact with the free end portion of the coiler mandrel 5, and one shown only in the section A of Figure 1 Release position in which the support member 14 is not in the support contact with the free end portion of the Coiler mandrel 5 is movable, is arranged on the guide element 13.
• Section A of Figure 1 shows only the support member 14 of the support unit 7 in the two aforementioned positions, wherein the upper position is the support position and the lower position is the release pitch.
• the pivot axis 15 is indicated in Figure 1 on the right, around which the support member 14 is pivotally connected to the guide member 13.
• the coiler 1 comprises a not shown fixed mandrel support bearing with at least one support arm, not shown, which is movably arranged between a rest position and a support position in which the support arm is located in the direction of the take-up winding reel mandrel 5 from below.
• FIG. 2 shows a schematic representation of an exemplary embodiment of a coiling installation 16 according to the invention for reeling a metal strip (not shown in FIG. 2) before threading the metal strip into the coiler 16.
• the coiler 16 includes a turnable reel 17 rotatably disposed about a rotation axis 3 with two reel mandrels 18 and a support 19 for supporting a free end portion of the reel mandrel 18 respectively used for reeling.
• the coiler 16 comprises a drive, not shown, for turning the reel 17, so that the reel mandrel 18 respectively used for reeling is movable during the hasp from an initial winding position shown on the left in FIG. 2 into a ready-winding position shown on the right in FIG.
• a winding tube are placed on the respective coiler mandrel 18.
• the support device 19 comprises a support unit 20 which is in a support contact with a free end section of the reel mandrel 18 used for reeling and a guide unit 21 on which the support unit 20 is displaceably guided and which the support unit 20 in each position of the support unit 20 relative to the guide unit 21 supported.
• the guide unit 21 comprises a semicircular section 22 and two adjoining straight legs 23, wherein the support unit 20 is guided on the guide unit 21 so as to be displaceable radially inwardly with respect to a center of the semicircular section 22 which lies on the axis of rotation 3.
• the support device 19 comprises a drive, not shown, with which the support unit 20 along the guide unit 21 is movable. A movement of the support unit 20 along the guide unit 21 is synchronized with a movement of the reel mandrel 18 used for reeling.
• the support unit 20 comprises a standing in the support contact with the free end portion of the reel mandrel 18 used next for reeling, which is circular arc-shaped and has an associated center angle smaller than 130 °.
• the support unit 20 comprises a guide element 25 displaceably guided on the guide unit 21 and a support element 26 standing in the support contact with the free end section of the coiler mandrel 18.
• the contact surface 24 is formed on the support element 26.
• the support member 26 is pivotally connected to the guide member 25 so that it is between a support position shown in Figure 2, in which the support member 26 is in the support contact with the free end portion of the coiler mandrel 18, and a not shown in Figure 2 release position, in the the support member 26 is not in the support contact with the free end portion of the coiler mandrel 18, is movably disposed on the guide member 25.
• the coiler 16 further comprises a stationary mandrel support bearing 27 with a support arm 28 which is supported between a rest position shown in Figure 2 and a support position shown in Figures 7 and 8, in which the support arm 28 is supported from below the coiler mandrel 18 in its final winding position. is movably arranged. Furthermore, the coiler 16 comprises a deflection roller 29 and a pivotable transfer table 30, which is located in Figure 2 in its transfer position.
• FIG. 3 shows a schematic representation of the coiler 16 shown in FIG. 2 during the threading of a metal strip 2. The metal strip 2 is brought up via the deflection roller 29 and the transfer table 30 to the coiler mandrel 18 shown on the left in FIG. The free end of the coiler mandrel 18 is supported by the support member 26 of the support device 19.
• Figure 4 shows a schematic representation of the coiler 16 shown in Figures 2 and 3 during a Anwickelvorgangs.
• the first three turns of the metal strip 2 are formed under a higher strip tension, since the coiler mandrel 18 is already supported during the Anwickelvorgangs with the support device 19.
• the transfer table 30 is in a rest position in which he is not in contact with the metal strip 2.
• FIG. 5 shows a schematic representation of the coiler 16 shown in FIGS. 2 through 4 during a turning operation.
• the turning reel 17 was rotated clockwise, whereby the reel mandrel 18 used for reeling has been shifted out of its Anwickelposition and in the direction of its finished winding position.
• the support device 19 supports uninterruptedly by the support device 19, in that the support unit 20 follows the coiler mandrel 18 along the guide unit 21.
• the turning reel 17 and the support unit 20 move synchronously.
• FIG. 6 shows a schematic illustration of the coiler 16 shown in FIGS. 2 to 5 upon reaching a finish winding position. On the reels used coiler mandrel 18 meanwhile further turns to a winding coil (coil) 31 were wound up.
• FIG. 7 shows a schematic representation of the reel system 16 with active mandrel support bearing 27 shown in FIGS. 2 to 6.
• This state of the reel 16 results from the state shown in FIG. 6 in that the swivel arm 28 of the mandrel support bearing 27 has been pivoted into its support position and thus supports the reel mandrel 18 used for reeling from below.
• the time is shown in which the support unit 20 transfers its support task to the mandrel support bearing 27.
• FIG. 8 shows a schematic representation of the coiler installation 16 shown in FIGS. 2 to 7 during a return of the support unit 20 into the support start position shown in FIG. 2 or into a waiting position, so that the state of the coiler installation 16 shown in FIG.

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

Priority Applications (3)

Applications Claiming Priority (4)

Publications (1)

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ID=61198157

Family Applications (1)

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Cited By (2)

Citations (5)

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• 2017
  • 2017-03-29 DE DE102017205355.0A patent/DE102017205355A1/de not_active Withdrawn
  • 2017-08-22 WO PCT/EP2017/071144 patent/WO2018041673A1/de unknown
  • 2017-08-22 JP JP2019512211A patent/JP6691269B2/ja active Active
  • 2017-08-22 EP EP17755189.2A patent/EP3507032B1/de active Active
  • 2017-08-22 CN CN201780053948.5A patent/CN109661280B/zh active Active

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