Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
  • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
  • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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
  • B21C47/003—Regulation of tension or speed; Braking
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
  • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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
  • B21C47/10—Winding-up or coiling by means of 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, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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
  • B21C47/3408—Feeding or guiding devices not specially adapted to a particular type of apparatus for monitoring the lateral position of the material
  • B21C47/3425—Feeding or guiding devices not specially adapted to a particular type of apparatus for monitoring the lateral position of the material without lateral edge contact
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
  • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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
  • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
  • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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
  • B21C47/345—Feeding or guiding devices not specially adapted to a particular type of apparatus for monitoring the tension or advance of the material

Definitions

• the invention relates to a method and an apparatus for winding metal strips on a winding mandrel arranged in a reel shaft to which the metal strip is fed by a driver having a lower and upper drive roller, wherein a table is provided below the metal strip for guidance and above the metal strip pivotable band switch as well as this are next to the winding mandrel then arranged a hinged shaft flap.
• a known from DE 195 20 709 A1 driver has a stationary mounted lower roller and an engageable against this upper roller.
• the engagable upper roller is mounted in an adjustable by means of pressure medium cylinder pivot frame, which is formed of two opposing wings, which are connected in the region of their common pivot axis by a mounted on both sides in the driver frame base.
• the wings of this driver can be adjusted by pressure cylinders which can be acted upon separately, wherein the base connecting the rockers is designed as a torsion spring.
• a measuring roller for measuring the flatness of a live rolled strip in a hot strip mill is known.
• One or more of these metering rollers, which are pressed against the rolled strip from below, may be between the rolling mills of the finishing train and / or in the rolling direction behind the last stand of the finishing train and / or before a capstan and / or between the capstan and the capstan to be ordered.
• the obtained measured value can be used to pivot the blowing apparatus and in this way the band run can be regulated during winding onto the reel mandrel.
• the loop lifter has a looper roll mounted on both sides in a respective swivel arm.
• the pivot arms are each divided by a joint in a shaft arm and a roller arm and connected to a Schliegerheberwelle.
• the joint deflects a restoring force exerted by the metal band on the loop-type pulley roller applied from below against the metal band on the force meter arranged on the pivoting arms.
• the restoring force corresponds to the longitudinal tension, so that it can be determined from the measured restoring forces.
• the shaft arm and the roller arm are connected to each other via a holding element. Either due to the total longitudinal tension or the determined wedge ratio, the e.g. configured as rolling mills or drivers outlet and inlet directions are readjusted, such as the speed or the employment of the rollers.
• the invention has for its object to provide a method and an apparatus of the type mentioned in such a way that an improved tensile measurement of a metal strip in the reel shaft can be achieved, which is intended to regulate the blowing apparatus or driver with such an influence on the tape, that a straight edge metal collar can be achieved.
• This object is achieved with a method according to the invention in that the force exerted by the driver on the metal strip L Lucasszugkraft for controlling the tape run by the driver by means of a reel shaft from above immersed in the metal strip Bandzugmess founded and the measurement signal is fed to a driver control.
• the wedging of the tension distribution determined by the strip tension measuring device immersed in the metal strip with a wrap angle in the metal strip is determined from the measured bearing forces of a bearing of the strip tension measuring device.
• a looping angle generated by a roll of the strip tension measuring device submerged in the metal strip can be used.
• the wrapping angle ensures the transmission of force from the metal strip to the roll and from there to the dynamometer integrated in the strip tension measuring device.
• the wrap angle is kept approximately constant by controlling the immersion depth of the roll.
• the wrap angle depends on the stroke of the swivel cylinder or the swivel cylinder and on the diameter of the wound coils.
• the stroke of the at least one pivoting cylinder can be controlled.
• the setpoint can be calculated during the winding process depending on the current coil diameter, the optimal looping and the geometric data.
• To record the stroke can be in the swing cylinder a odometer on or grow on the cylinder;
• the swing-in tension measuring device can be equipped with an angle measurement, so that the stroke of the swing cylinder can be calculated.
• the instantaneous diameter of the coil can be determined from the counted revolutions of the winding mandrel and the thickness of the metal strip.
• a direct measurement of the coil diameter e.g. with a laser-optical measuring device.
• the role of the strip tension measuring device is ceremoniatt before swinging on the speed of the metal strip. Since the roller is pivoted onto the belt during the winding process, pre-accelerating can prevent damage to the metal belt due to a later required acceleration process.
• the drive of the roller can be done mechanically and / or electrically and / or hydraulically.
• the band-wedge is designed as a band tension measuring device which can be swiveled from above into the metal band and is provided with a turnout.
• body having a rotatably mounted, at its front end a roller-bearing roller arm, wherein between the switch body and the roller arm, a force-measuring means is arranged, which is technically connected to a control device of the driver.
• the strip tension measuring device according to the invention thus simultaneously fulfills the classic band softening function.
• the function of the strip tension measuring device as a simultaneous band-pass filter is preferably supported by the fact that at least one front section of the table following the lower roller of the driver below the metal band is designed as a pivoting table. This is pivotable counterclockwise about the axis of the lower driver roller.
• the switch body connects a rear-side pivot arm with a front-side pivot arm of the strip tension measuring device.
• the switch body takes on the torsion load as a connection between the swivel arm on the drive side with the swivel arm on the operating side, by a one-sided operation of the belt tension measuring device by only one rear or drive side swivel cylinder would arise.
• a driven switch roll is advantageously arranged in the axis of rotation of the strip tension measuring device that is located on the drivably mounted roller, the metal strip can be protected against damage when it is moving from the lower roller of the driver to the next roller of the subsequent coiler shaft to be led.
• the strip tension measuring device is arranged with the roller arm to the mandrel pointing integrated into the upper shaft flap. In this arrangement, there is a combination of Bandzugmess owned and manhole cover. The front roller of the strip tension measuring device would connect to a reaching to the first pressure roller of the winding mandrel shaft flap and the free space to the upper roller of the driver would be filled with a conventional switch.
• Fig. 1 is a schematic representation of a side view of a conventional, counting to the prior art reel shaft
• Figure 2 is a schematic representation of a side view of a reel shaft with a swinging from above into the metal strip, while a band softening function fulfilling Bandzugmess issued located in the lifted off the metal band off-mode position.
• FIG. 3 shows the subject of FIG. 2 with the strip tension measuring device pivoted into the measuring or operating position, shortly before the end of a winding process
• FIG. 4 shows a detail of a cross section through a switch roller mounted in the strip tension measuring device.
• the metal strip 2 is fed to the winding mandrel 3 by a blowing apparatus or driver, of which only the upper and lower drive rollers 5, 6 are shown. From the lower drive roller 6 is followed by the winding mandrel 3 below the metal strip 2, a table 7 at. The beginning or the tip of the metal strip 2 fed in this way is received by a first pressure roller 8 assigned to the winding mandrel 3, which is joined by further such rollers distributed over the circumference.
• a band switch 9 which rests in the waiting position for tape recording on the upper drive roller 5.
• the belt 9 is pivoted by a cylinder 10, which engages with its piston rod to a pivot arm of the belt switch 9.
• the reel shaft 1 is closed at the top by a guided from the band switch 9 to the winding mandrel 3 shaft flap 11.
• a cylinder 12 is articulated to this.
• the components matching the reel shaft described above are given the same reference numerals.
• the main difference here is a strip tension measuring device 13 which at the same time fulfills the band softening function. This consists of a rear or drive side
• the two pivot arms 14 are connected to one another by a swivel body 15 receiving a torsional load (see FIG.
• a roller arm 16 in the front end of which a driven roller 17 is mounted.
• the roller arm 16 is rotatably supported by a hinge 18. In order to avoid tilting due to gravity, the roller arm 16 is held in position by a retaining element 19.
• This can be controlled as a result of the measurement, for example, by pivoting the upper and / or lower drive roller 5, 6 or parallel pivoting both roles or by specifying different closing forces on the drive and operating side that arise on the winding mandrel 3 a straight edge coil 4 can.
• the strip tension measuring device 13 is formed at its rear end in the strip running direction, away from the roller 17 with a provided in its axis of rotation switch point 23, as shown in Figs. 2 and 3 as a cross section in the region of the pivot arm 7 through the pin of the switch roller 23.
• the reel shaft 1 is closed at the top by a pivotable by means of the cylinder 12 shaft flap 11.
• the table 7, which extends below the metal strip 2 from the lower drive roller 6 to the winding mandrel 3 and guides the metal strip 2, is formed at least at its front end with a pivotable table 24 which can be moved counterclockwise about the axis of the lower driver roller 6.
• FIG. 3 which shows the operating position shortly before the end of a reeling operation for winding the metal strip 2 into a finished coil 4, clearly shows on the one hand the angle of wrap formed by the metal strip 2 due to the dipping roll 17 of the strip tension measuring device 13.
• dashed lines indicate various measuring signals 25 or control signals 26, which enter the control device 22 or depart from it to pivot means of the upper and lower drive rollers 5, 6 (see the dashed lines 26).
• the parameters which are essential for determining and optionally maintaining an optimum wrap angle during the entire winding process are described, for example, by tion of the stroke of the swivel cylinder or the swivel cylinder 10 of the pulley tension measuring device 13, wherein the / the cylinder are equipped with a displacement meter, determined by an angle measurement of the strip tension measuring device 13 and the current diameter of the coil 4.
• This diameter can be determined from the counted revolutions of the mandrel 3 (cf the dotted line 25 emanating therefrom) and the strip thickness.
• a direct measurement of the diameter of the coil 4 is possible, as with an indicated laser-optical measuring means 27.
• the combination strip tension measuring device / band switch it is possible to provide a measurement signal from the strip tension measurement in the flute shaft of a driver control.
• this can also be achieved by the combination strip tension measuring device / shaft cap.
• the strip tension measuring device 13 shown in FIGS. 2 and 3 would then be arranged with its roller 17 to the winding mandrel 3 in an integrated manner in the shaft flap 11, ie, mirrored over the line AA of FIG.
• the space then free from the upper drive roller 5 to the strip tension measuring device 13 could then be filled or bridged in this option with a conventional band switch 9 (see FIG.

Landscapes

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

Priority Applications (6)

Applications Claiming Priority (4)

Publications (1)

Family

ID=39185155

Family Applications (1)

Country Status (10)

Cited By (2)

Families Citing this family (11)

Citations (5)

Family Cites Families (17)

• 2007
  • 2007-09-21 KR KR1020097003037A patent/KR101071117B1/ko active Active
  • 2007-09-21 BR BRPI0716770-9A patent/BRPI0716770B1/pt active IP Right Grant
  • 2007-09-21 RU RU2009115695/02A patent/RU2391167C1/ru active
  • 2007-09-21 CA CA2664263A patent/CA2664263C/en not_active Expired - Fee Related
  • 2007-09-21 EP EP07818307.6A patent/EP2109510B1/de active Active
  • 2007-09-21 US US12/442,715 patent/US20100025514A1/en not_active Abandoned
  • 2007-09-21 JP JP2009528648A patent/JP2010504216A/ja active Pending
  • 2007-09-21 DE DE102007045425A patent/DE102007045425A1/de not_active Withdrawn
  • 2007-09-21 WO PCT/EP2007/008217 patent/WO2008037395A1/de not_active Ceased
  • 2007-09-21 CN CN2007800356368A patent/CN101516539B/zh active Active

Patent Citations (5)

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