EP0349705B1 - Rollen-Abwickelvorrichtung, insbesondere für eine Druckmaschine, und Verfahren zum Einschieben der Spannzapfen in die Hülse einer Rolle - Google Patents

Rollen-Abwickelvorrichtung, insbesondere für eine Druckmaschine, und Verfahren zum Einschieben der Spannzapfen in die Hülse einer Rolle Download PDF

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Publication number
EP0349705B1
EP0349705B1 EP89104413A EP89104413A EP0349705B1 EP 0349705 B1 EP0349705 B1 EP 0349705B1 EP 89104413 A EP89104413 A EP 89104413A EP 89104413 A EP89104413 A EP 89104413A EP 0349705 B1 EP0349705 B1 EP 0349705B1
Authority
EP
European Patent Office
Prior art keywords
roll
carriage
lifting
clamping
core
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.)
Expired - Lifetime
Application number
EP89104413A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0349705A2 (de
EP0349705A3 (en
Inventor
Edgar Beck
Heribert Bock
Egbert Dr. Breyer
Markus Dr. Haarhaus
Jacob Hannen
Dietmar Höllger
Jozef-Franc Zajec
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.)
Sulzer Papertec Krefeld GmbH
Original Assignee
Sulzer Papertec Krefeld 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 Sulzer Papertec Krefeld GmbH filed Critical Sulzer Papertec Krefeld GmbH
Priority to JP1162498A priority Critical patent/JP2507607B2/ja
Publication of EP0349705A2 publication Critical patent/EP0349705A2/de
Publication of EP0349705A3 publication Critical patent/EP0349705A3/de
Application granted granted Critical
Publication of EP0349705B1 publication Critical patent/EP0349705B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/02—Supporting web roll
    • B65H16/06—Supporting web roll both-ends type
    • 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
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
    • B65H19/126—Lifting, transporting, or inserting the web roll; Removing empty core with both-ends supporting arrangements
    • 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
    • B65H2301/4134—Both ends type arrangement
    • B65H2301/41346—Both ends type arrangement separate elements engaging each end of the roll (e.g. chuck)
    • 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
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/4171—Handling web roll
    • B65H2301/4172—Handling web roll by circumferential portion, e.g. rolling on circumference
    • 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
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/4171—Handling web roll
    • B65H2301/4173—Handling web roll by central portion, e.g. gripping central portion

Definitions

  • the invention relates to a roll unwinding device, in particular for a printing machine, according to the preamble of claim 1 and to a method for inserting the clamping pin into the sleeve of a roll according to the preamble of claim 25.
  • the roller carrier consists of several, motor-driven conveyor rollers, which enable the roller to move parallel to the clamping pin axis. These are mounted on a slide that can be moved by a motor at right angles to the axis of the chucking pin and can be adjusted in height evenly using four elements.
  • a memory into which the diameter and the width of the roll is entered, from sensors, pulse generators, comparators and the like, the roller is automatically brought into a position in which it should be aligned with the clamping pins. Difficulties arise when the sleeve is not exactly centered on the roller circumference and / or when the roller circumference is not cylindrical but conical, as is often the case in practice.
  • the first carriage having the roller carrier can be moved on a lifting platform. This is supported with the interposition of the lifting device on the second carriage, which can be moved on a stationary path.
  • the roller mounted on the roller support can be adjusted in the vertical direction, parallel to the tensioning pin axis and perpendicular to it. The alignment process is carried out manually by an operator, which is time-consuming and personnel-intensive.
  • roller carrier can also perform a pivoting movement about a vertical axis of rotation. This measuring station requires additional space and requires a sensitive and therefore expensive special measuring device.
  • roller carrier for a mobile transport platform for loading roller carriers on rotary printing presses, which roller carrier in all three horizontal degrees of freedom of movement, namely displacement parallel to the clamping pin axis, displacement perpendicular to the clamping axis and pivoting is kept movable about a vertical axis of rotation. Whether or not there is free mobility depends on whether the roller carrier is moved by hand or whether there are drive motors which are conventional but not shown.
  • the invention is based on the object of specifying a roll unwinding device of the type described at the outset which enables automatic fine alignment at least in the horizontal plane, taking into account the actual position of the sleeve ends, but without an upstream, separate measuring station.
  • clamping pins If the clamping pins are moved against each other, they engage with their tapered end sections in the sleeve ends and, in the event of deviations from the central position, exert forces which, because of the free mobility of the roller carrier, lead to a displacement of the roller in the horizontal plane until the sleeve ends are centered have set to the chucking spigot.
  • An exact alignment in the horizontal plane is obtained without constraints. This "snapping" results in alignment in the horizontal plane, in which no motors and therefore no control loops are required for motor control. Rather, the roller carrier can be separated from the horizontal drives. Alignment is quick. No additional space is required for a measuring station. Since the swiveling takes place under the influence of the tapering end sections of the clamping pins, a swiveling drive is unnecessary.
  • roller carrier is supported on at least one gas cushion when the clamping pins are inserted.
  • the gas cushion in particular an air cushion, has a supporting surface which allows a movement relative to the lower support which is sufficiently large for the alignment process.
  • the first and / or second carriage can be moved on air cushions.
  • the second carriage can have four air cushions, which are arranged at the ends of a rectangle.
  • air cushions for driving purposes are known (EP-A-0 148 502). In the present case, however, they have the further function of giving the roller carrier sufficient horizontal mobility when inserting the pins and of simply changing the height of the roller axis.
  • the lifting device is arranged in a stationary manner and adjusts a lifting frame in height and that the second carriage can be moved on the lifting frame and the first carriage can be moved onto the second carriage.
  • the mass to be displaced by the clamping pins when aligning in the horizontal plane is kept small. Because the lifting device and lifting frame do not take part in the movement.
  • the swivel element can be arranged in the path of the second carriage and a bearing forming the axis of rotation can be arranged on the lifting frame below the clamping pins located in the receiving position.
  • the gas cushion is arranged on the second carriage and carries a track section for the first carriage. This is because the mass of the feed device to be displaced is limited to the first carriage and an associated path section.
  • roller carrier can be lowered when the tensioning pin is loaded in the insertion direction. This allows a particularly low-force insertion.
  • the lifting device has at least two lifting elements which are arranged offset in the direction of the clamping pin axis and are adjustable independently of one another. With such a lifting device, one-sided stroke adjustment can be carried out to adapt to the sleeve axis in the case of a conical winding.
  • a force measuring device is assigned to the sides of the roller carrier which are offset in the direction of the clamping pin axis, depending on which the mutually offset lifting elements can be adjusted.
  • the tapered end sections exert a corresponding force on the roller in the event of a positional deviation of the sleeve in the vertical direction, which leads to a change in the signal of the force measuring device leads to the appropriate page.
  • the corresponding sleeve end can be adjusted by one-sided stroke adjustment until the force measuring device shows the original value again at the correct altitude.
  • the force measuring device on each side expediently consists of at least one measuring unit, each measuring a wheel load of the second carriage. This allows a very simple measurement.
  • the lifting elements for rough alignment in rapid traverse and for fine alignment can be actuated in creep speed by means of the force measuring devices. This results in a particularly quick overall alignment.
  • the lifting device has gas cushions which are offset in the direction of the clamping pin axis and whose gas pressure can be changed by means of a valve arrangement.
  • gas cushions also in the form of air cushions, allow a very simple change in height by changing the pressure.
  • the gas cushions can be arranged on a lifting table which remains aligned horizontally when the height is adjusted. This results in a particularly simple embodiment in which the lifting table effects the rough height adjustment and the gas cushion the fine height adjustment.
  • the lifting table can be a scissor lifting table.
  • the valve arrangement can have a pressure reducing valve with an adjustable outlet pressure.
  • the desired change in height results from a change in pressure.
  • valve arrangement has a height position controller whose setpoint is adjustable. If the setpoint changes, the support surface of the gas cushion follows this setpoint.
  • a roller diameter measuring device can be provided, depending on which the lifting device can be actuated for rough height adjustment.
  • the relatively simple diameter measurement which is unusable in the case of conical rollers and eccentrically arranged sleeves, can be used because the rough alignment is followed by a fine alignment.
  • a comparator which receives force signals from the force measuring devices and actuates the trunnion drive in the pull-out direction when an adjustable value is reached, also offers advantages.
  • the force measuring devices are also used to automatically pull out the clamping pins when removing a roll.
  • a residual roll receiving surface is located on the second carriage next to the track for the first carriage, which is inclined in the direction of said track and ends at the level of the roll carrier. In this way, residual rolls with a small diameter can also be removed from the unwinder. You then roll over the inclined surface onto the roller carrier.
  • the residual roll receiving surface is assigned a clamp for clamping the remaining roll. It is also recommended that the second carriage carry a roll stop device on the side of the web opposite the residual roll receiving surface for the first carriage.
  • a roll carrier 1 is provided for feeding a roll 2.
  • the roller carrier is formed by the troughed surface of a first carriage 3, that is to say a dump truck, which can be moved with its wheels 4 by motor on a track 5, in particular a rail track.
  • This track has fixed sections 5a and 5b and a movable section 5c on a second carriage 6, a so-called loading carriage. With its wheels 7, the latter can be moved by motor on a track 8, in particular in turn a rail track.
  • This consists of a section 8a on a lifting frame 9 and a section 8b on a pivoting element 10 which can be pivoted about a vertical axis 12 on the lifting frame 9 by means of a pivot bearing 11 and can be locked in its central position.
  • the lifting frame 9 is supported at its four corners on four lifting elements 13 to 16, which are arranged in a stationary manner and can each consist of a hydraulic piston-cylinder unit.
  • the roll unwinding device has a frame 17, on which a rolling star 18 or 19, rotatable about an axis 20, is mounted on both sides.
  • Each rolling star 18 has two arms 21 and 22, each of which carries a clamping pin 23 or 24 for engagement in the sleeve end 25 of a paper roll 2.
  • Fig. 1 the roll 2a, from which a paper web 26 is drawn, is almost used up. Therefore, a new roller 2 is fed to the clamping pin 23. The new roller 2 is then brought into the working position by rotating the unwinding star by 180 °.
  • the sleeve ends 25 are aligned with the clamping pins 23 using these four movement possibilities in such a way that the roller 2 is securely received by the clamping pins, as is illustrated in FIG. 3.
  • the track section 5c for the first carriage 103 rests on the second carriage 106 with the interposition of a gas cushion 110 or an air cushion.
  • the lifting frame 109 does not require a pivoting element 10 because the gas cushion moves in the directions S1, S2 and S3 allows.
  • the roller carrier 1 is driven under this remaining roll by a motor and raised until it comes into contact. Then the clamping pins are removed and the remaining roll can be removed on the first carriage 3. If the diameter of the residual roll is smaller than the width of the arms 21, 22, it is received on a residual roll receiving surface 27 of the second carriage 6 and held by means of a clamp 28 when the clamping pins are pulled out.
  • the receiving surface 27 has a slight inclination of, for example, 2 °, so that the residual roll 2b can roll under its own weight onto the roll carrier 1, that is to say the surface of the first carriage 3.
  • On the opposite side of this first carriage 3 there is a roller stop device 29 which can be folded up if necessary.
  • Fig. 5 shows schematically that the carriages 3 and 6 each have a drive motor 30 and 31, each of which is connected to the associated carriage via a switchable one-way clutch 32 or 33.
  • the clamping pins 23 have a drive 34. Whenever the command from a control device 35 to the drive 34 to push the clamping pin 23 into the sleeve, a switching command is simultaneously sent to the one-way clutches 32 and 33, as a result of which they are switched to free-running . While the carriages 3 and 6 are normally forcibly moved to certain coordinate points by their motors 30 and 31, they are disconnected from their motors after the switching command.
  • the one-way clutches 32 and 33 can be omitted.
  • a locking device not shown, for the web section 5c, which can be fixed, for example, with locking pins on the second carriage 106. This locking device is released approximately simultaneously with the insertion of the clamping pins, so that the web section 5c can be moved on the gas cushion 110 in all three horizontal degrees of freedom.
  • FIG. 2 also shows that two opposing wheels 7 of the second carriage 6 are each assigned a force measuring device 36 or 37.
  • the corresponding arrangement is explained in more detail in FIG. 6.
  • the axis 38 of the wheel 7 is articulated to the cover plate 39 of the carriage 6.
  • This top wall also carries the force measuring device 36, for example a conventional pressure cell. It is loaded by the axis 38 via a plunger 40.
  • the force measuring device 36 therefore determines the wheel load of the second car.
  • the clamping pins 23 have tapered end sections 41, which form an angle of 10 to 45 °, preferably approximately 40 °, with the clamping pin axis 42. If the roughly aligned clamping pin 23 is now pushed in with a force P1, the end section 41 abuts the end 25 of the sleeve 43, a force P2 being generated transversely to the feed direction. This force is used to effect the fine alignment of the sleeve 43.
  • the roller 1 can move freely in the horizontal direction because there is a possibility of free running in all degrees of freedom of movement.
  • forces P2 which are rectified, act on both sleeve ends.
  • the roller 1 moves with the displacement of the second carriage 6 in the direction S3 perpendicular to the chucking pin axis.
  • forces P2 act on both sleeve ends, which are opposite to each other. This leads to a rotation of the swivel element 10 in the direction of arrow S4. Movement parallel to the pin axis 42 by displacement of the first carriage 3 is also possible, namely if one clamping pin 23 touches the associated sleeve end 25 earlier than the other clamping pin.
  • the insertion forces normally exerted on the clamping pins are sufficient for these alignment processes in the horizontal plane.
  • the forces P2 are vertical. They therefore act against or with the weight of the roll.
  • These force changes are measured with the aid of force measuring devices 36 and 37, of which at least one is provided on each side. 10, there is a decrease in force F- on the left and an increase in force F + on the right. This leads to a difference in force which must be eliminated by adjusting the lifting devices 13, 14 on the one hand and 15, 16 on the other hand.
  • the lifting frame 9 must be raised on the left side and lowered on the right side, so that the cone shape of the roller 1 is taken into account and a precise alignment of the clamping pin with the sleeve is achieved.
  • the lifting devices are operated until the vertical changes in force are eliminated.
  • the clamping pins can be pneumatically inserted into the sleeve with normal operating pressure.
  • Fig. 12 shows that the force measuring devices 36 and 37 can also be used for the removal of a residual roller 2b. If the lifting frame 9 is moved vertically upwards and the roller carrier 1 contacts the remaining roller 2b, additional force components are measured. If these exceed a desired value 44, the associated comparator 45 sends a signal to the drive devices 34 in order to pull the clamping pins 23 out of the sleeve.
  • the procedure is as follows: A new paper roll 2 is fed with the help of the first carriage 3 via the web section 5a and is moved on the web section 5c of the second carriage 6 to the center of the unwinding device, an alignment with a permissible deviation of + / - 10 mm. The roll diameter is then determined using a measuring device 46. Then the second carriage 6 is moved to below the clamping pin 23 in the receiving position and is roughly adjusted in height with the aid of the lifting elements 13 to 16 on the basis of the diameter determined. Both movements can be done at high speed. Then the clamping pins are advanced, the clutches 32 and 33 switched to freewheeling and the swivel segment unlocked.
  • the tapered end sections of the clamping pins exert forces on the sleeve ends, which in the horizontal plane leads directly to a shift of the roller 2 and in the vertical plane to a corresponding actuation of the lifting device until the sleeve ends are aligned so precisely that the clamping pins with normal Operating pressure can be retracted. Then the paper roll is raised somewhat by the unrolling star so that the roll carrier 1 can be moved back again. Roll 1 is then prepared so that it can take up the working position if necessary.
  • the roll carrier 1 is moved under the remaining roll. Then it is raised until the force measuring devices 36, 37 report the contact. Then the clamping pins are pulled out and the remaining roll is transported away on the first carriage 3.
  • the touch of the remaining roll can also be determined in another way, for example by means of a push button switch.
  • FIGS. 13 to 15 the same reference numerals as in FIGS. 1 to 12 are used for the same parts. Reference numbers increased by 200 are used for corresponding parts.
  • the lifting frame is formed by a scissor lifting table 209, the scissors 50 arranged on both sides ensure that this lifting table 209 is always displaced in parallel when the height is adjusted by lifting elements 215.
  • the second carriage 206 can be moved on air cushions 207 over the surface of the lifting table 209.
  • a belt 51 which is placed around a non-driven pulley 52 and a pulley 54 driven by a motor 53, serves as the drive.
  • These air cushions 207 which also act as a gas cushion, have a triple function. They make it possible to move the second carriage with little friction from the illustrated starting position into the receiving position, in which the clamping pins 23 can receive a roller 2, and back.
  • the second carriage 206 and thus also the roller 2 supported on it can move freely in the horizontal plane to a sufficient extent so that when the tapered end sections of the clamping pins are inserted into the roller sleeve, they are corresponding Has freedom of movement.
  • the air cushion can be used to adjust the altitude to a certain extent. Therefore, after measuring the roll diameter, the lifting table 209 can be adjusted by means of the measuring device 46 so that the roll axis comes to lie about 5 mm above the chucking pin axis. If the clamping pins 23 are then loaded in the direction of insertion and at the same time the air cushions lower them, the pins can be pushed into the sleeve largely without force.
  • a height sensor device 55 is assigned to each air cushion 207.
  • a button 56 pressed resiliently against the lifting table 209 actuates a plunger 57 with two resilient contacts 58 and 59, which interact with two limit switches 60 and 61 and actuate a control circuit 62 such that the second carriage 206 is at a constant height above the lifting table 209 is held.
  • the control circuit 62 supplies a control pressure to a pressure reducing valve 63, the output pressure of which is supplied to the air cushion 207. This pressure prevails in the interior 64 of the air cushion 207 and, as a result of the outlet openings 65, also in the cushion space 66.
  • a compressed air source 69 supplies compressed air via an on-off switching valve 70.
  • a pressure reducing valve 71 follows, the control pressure of which can be changed by means of a remotely controllable setpoint adjustment device 72.
  • the output line 73 is used to supply the two left air cushions 207.
  • the second of these air cushions is provided with a sensor device 55 and a pressure reducing valve 63 in the same way as the air cushion illustrated.
  • These two air cushions can also be operated via a common pressure reducing valve 63 and a common height sensor device 55.
  • the two right air cushions 207 are connected via their own pressure reducing valves 63 and a common pressure reducing valve 71 to a line 74 which goes behind the switching valve 70.
  • the height of the lifting table 209 is adjusted so that, taking into account the normal height of the second carriage 206, the roll axis is approximately 5 mm above the pin axis.
  • the pressure on both sides is slowly lowered with the aid of the remotely controllable setpoint adjustment device 72, which leads to a corresponding drop in the second carriage 206 and thus the roller axis.
  • the lowering begins with the most heavily loaded air cushion.
  • the clamping pins 23 can retract freely. If this is done on one side, the associated air cushions are relieved. This automatically starts the lowering process on the side that has not yet been retracted.
  • the lowering process can be controlled in speed by the setpoint adjustment device 72, e.g. from maximum to minimum in 18 seconds, and can also be interrupted at any time.
  • the lowering path can be interrupted in any case if limit switches 75 indicate that a ground clearance of e.g. 5 mm was reached.
  • the vertical pivot axis 12 can also be arranged on one side of the lifting frame 9.
  • the stroke can be adjusted by an electric motor or mechanically.
  • Other known load cells for example with strain gauges, can also be used instead of the pressure load cells.
  • the carriages that can be moved on a track can also be formed by slides or other supports that can be moved on runners.

Landscapes

  • Replacement Of Web Rolls (AREA)
EP89104413A 1988-07-04 1989-03-13 Rollen-Abwickelvorrichtung, insbesondere für eine Druckmaschine, und Verfahren zum Einschieben der Spannzapfen in die Hülse einer Rolle Expired - Lifetime EP0349705B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1162498A JP2507607B2 (ja) 1988-07-04 1989-06-23 特に印刷機用の紙ロ―ル巻き出し装置およびロ―ル芯へ固定ピボットを挿入する方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3822572A DE3822572A1 (de) 1988-07-04 1988-07-04 Rollen-abwickelvorrichtung, insbesondere fuer eine druckmaschine
DE3822572 1988-07-04

Publications (3)

Publication Number Publication Date
EP0349705A2 EP0349705A2 (de) 1990-01-10
EP0349705A3 EP0349705A3 (en) 1990-10-31
EP0349705B1 true EP0349705B1 (de) 1993-08-11

Family

ID=6357909

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89104413A Expired - Lifetime EP0349705B1 (de) 1988-07-04 1989-03-13 Rollen-Abwickelvorrichtung, insbesondere für eine Druckmaschine, und Verfahren zum Einschieben der Spannzapfen in die Hülse einer Rolle

Country Status (2)

Country Link
EP (1) EP0349705B1 (enrdf_load_stackoverflow)
DE (2) DE3822572A1 (enrdf_load_stackoverflow)

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DE4037671A1 (de) * 1990-11-27 1992-06-04 Sundwiger Eisen Maschinen Positioniervorrichtung fuer auf eine haspeltrommel aufzusteckende bunde, insbesondere aus metallband
DE4215739C2 (de) * 1992-05-13 1995-11-30 Kleinewefers Gmbh Verfahren und Vorrichtung zum Beschicken und Entnehmen von mit einer Materialbahn bewickelten Rollen in einer einen Rollenträger mit mehreren Rollenplätzen aufweisenden Maschine zum Verarbeiten der Materialbahn, insbesondere einer Druckmaschine
SE469834B (sv) * 1992-08-07 1993-09-27 Wamag Idab Ab Sätt och anordning för preparering av tryckpappersrullar
IT1264114B1 (it) * 1993-04-09 1996-09-10 Gd Spa Metodo e dispositivo per l'alimentazione di bobine ad una macchina utilizzatrice.
DE4429482A1 (de) * 1994-08-19 1996-02-22 Hacoba Textilmaschinen Verfahren zum Einspannen eines Wickeltragbaums
US5934604A (en) * 1998-10-13 1999-08-10 Paper Converting Machine Company Center drive unwind system
IT1305419B1 (it) * 1998-10-14 2001-05-04 Sasib Tobacco Spa Gruppo alimentatore di bobine di materiale, in particolare di bobinedi nastro di materiale d'incarto e nelle macchine impacchettatrici di
DE10219179B4 (de) * 2002-04-29 2005-04-28 Koenig & Bauer Ag Vorrichtung zur Vorbereitung einer Materialrolle
EP1647508A1 (en) * 2004-10-12 2006-04-19 Fosber S.P.A. Method and device for unwinding rolls of web material and lifting device for the rolls
DE102005032600B4 (de) * 2005-07-13 2007-10-25 Koenig & Bauer Aktiengesellschaft Vorrichtung zum Ausrichten einer Materialrolle vor dem Aufachsen in einem Rollenwechsler
DE102005032599B3 (de) * 2005-07-13 2006-10-19 Koenig & Bauer Ag Vorrichtung und ein Verfahren zur Minimierung eines Kantenversatzes beim Ansetzen einer Materialbahn einer neuen Materialrolle an eine auslaufende Materialbahn einer ablaufenden Materialrolle
DE102006053983A1 (de) * 2006-11-10 2008-05-15 Sms Demag Ag Fahrzeug zum Transport von Bunden
DE102013222896A1 (de) * 2013-11-11 2015-05-13 Koenig & Bauer Aktiengesellschaft Vorrichtung zum Wickeln einer Materialbahn zu einer mehrlagigen Rolle
CN113816190A (zh) * 2021-11-23 2021-12-21 常州恒锌禹晟智能装备股份有限公司 V型拖定位机构、料卷上料装置及料卷上料定位测量方法

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US2837295A (en) * 1952-02-28 1958-06-03 Mckay Machine Co Uncoiler with side shift control
DE2631355A1 (de) * 1976-07-13 1978-01-19 Lager & Foerdertechnik Fahrbare transportbuehne fuer die beschickung von rollentraegern an rotations-druckmaschinen
DE7622026U1 (de) * 1976-07-13 1984-11-22 Lager- u. Fördertechnik, 7320 Göppingen Fahrbare transportbuehne fuer die beschickung von rollentraegern an rotations-druckmaschinen
GB2106875B (en) * 1981-10-05 1985-06-26 Rengo Co Ltd Automatically mounting a web roll on a mill roll stand
DE3402582C2 (de) * 1984-01-26 1987-03-12 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Fahrbare Hubeinrichtung zum Zu- und Einbringen von Papierrollen in eine Abwickelvorrichtung einer Rollen-Rotationsdruckmaschine
JPH0764462B2 (ja) * 1986-09-20 1995-07-12 株式会社磯輪鉄工所 段ボール製造機における原紙の装填方法

Also Published As

Publication number Publication date
EP0349705A2 (de) 1990-01-10
DE58905230D1 (de) 1993-09-16
DE3822572C2 (enrdf_load_stackoverflow) 1991-05-08
EP0349705A3 (en) 1990-10-31
DE3822572A1 (de) 1990-02-22

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