EP1697243A2 - Changeur de bobines et procede pour effectuer un changement de bobines automatique - Google Patents

Changeur de bobines et procede pour effectuer un changement de bobines automatique

Info

Publication number
EP1697243A2
EP1697243A2 EP04766793A EP04766793A EP1697243A2 EP 1697243 A2 EP1697243 A2 EP 1697243A2 EP 04766793 A EP04766793 A EP 04766793A EP 04766793 A EP04766793 A EP 04766793A EP 1697243 A2 EP1697243 A2 EP 1697243A2
Authority
EP
European Patent Office
Prior art keywords
roll
web
reel
changer according
reel changer
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.)
Withdrawn
Application number
EP04766793A
Other languages
German (de)
English (en)
Inventor
Anton Löffler
Thomas Potzkai
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.)
Officine Meccaniche Giovanni Cerutti SpA
Original Assignee
Koenig and Bauer AG
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
Priority claimed from DE10356028A external-priority patent/DE10356028A1/de
Priority claimed from DE202004005645U external-priority patent/DE202004005645U1/de
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1697243A2 publication Critical patent/EP1697243A2/fr
Withdrawn legal-status Critical Current

Links

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
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1805—Flying splicing, i.e. the expiring web moving during splicing contact
    • B65H19/1826—Flying splicing, i.e. the expiring web moving during splicing contact taking place at a distance from the replacement roll
    • B65H19/1836—Flying splicing, i.e. the expiring web moving during splicing contact taking place at a distance from the replacement roll the replacement web being accelerated or running prior to splicing contact
    • 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
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/24—Constructional details adjustable in configuration, e.g. expansible
    • B65H75/242—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages
    • B65H75/248—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages expansion caused by actuator movable in axial direction
    • B65H75/2484—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages expansion caused by actuator movable in axial direction movable actuator including wedge-like or lobed member
    • 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
    • B65H2301/41369—Mounting arrangements not otherwise provided for hub arrangements, i.e. involving additional part between core / roll and machine 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/413—Supporting web roll
    • B65H2301/4137—Supporting web roll on its outer circumference
    • B65H2301/41372—Supporting web roll on its outer circumference rollers or balls arrangement
    • B65H2301/41376—Supporting web roll on its outer circumference rollers or balls arrangement arranged in a non-stationary manner, i.e. changing according to actual roll diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/40—Holders, supports for rolls
    • B65H2405/42—Supports for rolls fully removable from the handling machine
    • B65H2405/422—Trolley, cart, i.e. support movable on floor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/14—Diameter, e.g. of roll or package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30—Forces; Stresses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30—Forces; Stresses
    • B65H2515/31—Tensile forces
    • 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
    • B65H2701/18—Form of handled article or web
    • B65H2701/184—Wound packages
    • B65H2701/1844—Parts concerned
    • B65H2701/18442—Core

Definitions

  • the invention relates to reel changers and methods for carrying out a flying reel change according to the preamble of claim 1, 2, 3, 4, 47 or 48.
  • Such roll changers are used on printing presses and serve to feed the material web used as printing material.
  • paper webs are used as a rule. The material web is wound on a material roll and runs from this material roll.
  • a new material roll is clamped in the roll changer, at which, for example, corresponding adhesive points are prepared for connection to the running material roll.
  • the new material roll is then accelerated to a peripheral speed which corresponds to the web speed of the drawn-in material web.
  • the web start of the new material roll is connected to the running web of material and the running web of material is cut essentially at the same time. In this way, the beginning of the web of the new material web is drawn into the printing press from the old web of material and machine downtime is avoided.
  • the running material roll has a constantly changing self-critical resonance speed.
  • relatively large web widths for example web widths> 3,600 mm
  • very high web take-off speeds for example
  • FR 2 076 474 shows a single holder for material rolls, with two rows of clamping jaws being arranged one behind the other.
  • DE 100 56 274 A1 discloses a mandrel with two rows of clamping basins arranged one behind the other, the diameter of one row being variable from 150 to 160 mm and the diameter of the other row from 70 to 80 mm.
  • the invention has for its object to provide reel changer and method for performing a flying reel change.
  • the object is achieved by the features of claim 1, 2, 3, 4, 47 or 48.
  • the invention is based on the basic idea of reducing the free oscillation length of the running material roll in order to influence the self-critical resonance speed of the running material roll in the desired manner.
  • the free oscillation length between the clamping points of the running material roll on the roll changer is reduced by providing a support device which comes into contact with the peripheral surface of the running material roll.
  • This additional support of the material roll between the clamping points can significantly reduce the free vibration length. If, for example, the support device is brought into contact exactly in the middle between the clamping points on the circumferential surface of the running material roll, the free oscillation length is halved in this way and the self-critical resonance speed is shifted upwards accordingly.
  • the support device is arranged in such a way that it can come to rest on the peripheral surface of the running material roll when the running material roll is arranged in the position provided for the flying roll change. This is because the critical vibrational states of the running material roll occur in particular shortly before the material roll is exhausted with a relatively small remaining thickness, so that support of the running roll is necessary in particular in the phase immediately preceding the roll change.
  • the support device has at least one circumferentially supported support belt which can be pressed onto the peripheral surface of the material roll running off.
  • This support belt can be stored on rollers, for example, and rotates at a speed that corresponds to the peripheral speed of the material roll running off.
  • it can make sense to greatly reduce the free vibration length.
  • This can be achieved in that a plurality of support devices are provided, which come to rest spaced from one another next to one another on the circumferential surface of the running material roll.
  • the free oscillation length only corresponds to the respective distance between two adjacent support devices or the distance of the first support device or last support device to the clamping points of the material roll running off. As a result, the free vibration length of the running material roll can be influenced in any way.
  • the support device can be implemented particularly easily if it does not have its own drive device.
  • the support device itself can be driven by the transmission of frictional forces from the rolling material roll. If frictional forces are used to drive the support device, the support device should preferably be made of a wear-resistant material with a relatively high coefficient of friction in the region of the contact surface with the material roll.
  • a drive device is provided on the support device with which the support device is driven.
  • an electric motor can be provided for this purpose, with which one of the bearing rollers is driven for mounting the support belt.
  • the support device is only used in certain phases of the operation of the reel changer, in particular in the phase immediately before the flying one Role change, desired. For this reason, it is particularly advantageous if the support device is movably mounted between at least two functional positions.
  • the first functional position corresponds to the actual use position, in which the support device comes to rest on the peripheral surface of the material roll running off and supports the material roll accordingly.
  • the second functional position corresponds to a rest position in which the support device is not in engagement with the running material roll.
  • the manner in which the support device is fastened relative to the reel changer is basically arbitrary.
  • the support device is attached to the reel stand of the reel changer.
  • This has the advantage that the support device is also moved when the roll stand is pivoted, and thus there is no relative movement between the support device and the correspondingly assigned material roll when the roll stand is pivoted.
  • the support device is brought into contact with the running material roll even in the position provided for the flying roll change in the position intended for the flying roll change, so that the running material roll is supported by the support device even during the pivoting of the roll stand is, preferably before the material roll is accelerated from standstill.
  • the job is carried out simultaneously with the support belt.
  • the support device can be fastened between two support arms of the roll stand, the support arms also carrying the correspondingly assigned material roll.
  • the support device can also be fastened to a foundation below the position of the running material roll intended for the flying roll change, so that the support device is not an integral part of the roll changer as a result.
  • This embodiment is particularly of Advantage if the support device can be sunk in the foundation, so that the support device in its rest position, in which the support device is sunk in the foundation, does not constitute any hindrance.
  • At least one sensor for measuring a support parameter for example the currently applied support force or the belt tension of the support belt, can be provided on the support device.
  • the control device provided in each case or the control loop used accordingly can process the measurement results and control or regulate the support device to a predetermined desired value.
  • the use of the support device offers particularly great advantages for reel changers in which material reels with a width of greater than or equal to 3,600 mm are processed.
  • Such wide webs of printing material are used in particular in rotogravure printing with rotogravure printing presses, the high printing speeds in rotogravure leading to the problems mentioned with self-critical resonance speeds.
  • the support device is brought into contact with the running material roll in the position suitable for the flying roll change even before the running material roll is arranged.
  • the support device remains in engagement with the running material roll and ensures that the running material roll is also supported during the swiveling process.
  • the support device remains in engagement with the running material roll until the flying roll change has ended and the old material roll can be braked accordingly.
  • a support device can be provided.
  • the avoidance of self-critical resonance speeds can also be improved by reducing the free vibration length of the running material web by using longer mandrels.
  • Paper widths of more than 4,000 mm, in particular 4,300 mm, and sleeves / quills with a diameter of 150 mm do not allow a safe roll change at material web speeds greater than 15 m / s with sleeves currently common in industry without a central support.
  • material web speeds of max. 12 m / s can be reached.
  • a plurality of clamping jaws are preferably distributed adjacent to one another, in each case in a row of clamping jaws, in particular evenly spaced apart, over the circumference of the supporting pin.
  • two rows of clamping jaws arranged in the axial direction, each with eight clamping jaws in the circumferential direction, are arranged on the mandrel, which leads to high-strength clamping of the material roll on the mandrel. Exemplary embodiments of the invention are shown in the drawings and are described in more detail below.
  • Figure 1 shows a first embodiment of a reel changer with support device in a side view.
  • Figure 2 shows a second embodiment of a reel changer with support device in a side view.
  • Figure 4 is a support pin in cross section.
  • FIG. 5 shows a cross section through a roll of material with receptacles.
  • Fig. 6 is a schematic view of a scissor lift table with a new roll of material
  • FIG. 7 shows a schematic view of a scissor lift table with a support device on a running material roll
  • Fig. 8 is a schematic view of the reel changer.
  • FIG. 1 schematically shows a first exemplary embodiment of a roll changer 01 for feeding a material web 02, in particular a paper web, in a printing machine (not shown).
  • a reel stand 04 which can be swiveled about a swivel axis 03 is provided, which is supported by two in the Support arms lying one behind the other in the image plane are formed.
  • receptacles 05 for example mandrels 05, are fastened opposite one another, between which material rolls 06; 07 can be clamped on the reel changer 01.
  • a support belt 08 is placed against the circumference of the new material roll
  • a support device 11 attached to the foundation 09 below the outgoing material reel 06 is extended upwards until a support belt 12 mounted on reels 13 on the circumference of the outgoing reel of material 06 comes to the plant.
  • Pneumatic actuating cylinders 14 are provided for extending the support device 11.
  • the support belt 12 is synchronized to paper web speed by a frequency-controlled three-phase motor, not shown. This prevents web breaks when starting.
  • the free oscillation length of the material roll 06 between the receptacles 05 is shortened, so that the self-critical resonance speed of the material roll 06 is shifted into an uncritical speed range.
  • FIG. 2 shows a second exemplary embodiment of a reel changer 16.
  • the Roll changer 16 is again the material web 02, the pivot axis 03, the roll stand 04, the receptacles 05, the running material roll 06, the new material roll 07 and a support belt 08 for supporting and transmitting the driving forces of the new material roll 07.
  • two support devices 17 and 18 are provided on the reel changer 16, each of which is assigned to the left or right clamping point on the reel stand 04.
  • the support devices 17 and 18 can be adjusted in linear guides 19 and in this way can be adjusted to the changing diameters of the material rolls 06; 07 adjusted and updated.
  • support belts 22 are provided, which on the circumference of the roll of material 06; 07 can be brought to the plant.
  • Pneumatic actuating cylinders 21 are provided for starting and stopping the support straps 22, and the bearing construction of the support straps 22 can be pivoted by retracting and extending them.
  • the procedure is as follows. First, the running material roll 06 is still in the so-called running position on the right side of the pivot axis 03 (not shown). In this position, the running material roll 06 is unwound as the printing process progresses until a certain roll diameter, ie a certain remaining thickness of the material roll 06 is undershot. After falling below this predetermined residual thickness, the actuating cylinder 21 is extended and the support belt 22 is brought into contact with the circumference of the material roll 06. In this way, the intrinsically critical resonance speed of the material roll 06 is shifted into an uncritical speed range, so that the material web 02 can be pulled off at an unchanged speed.
  • the material roll 06 is pivoted by pivoting the roll stand 04 into the position on the left of the pivot axis 03, as shown in FIG. 2. Even during the pivoting movement, the support belt 22 lies against the circumference of the material roll 06 and supports it in this way.
  • the flying roll change between the material roll 06 and the material roll 07 can be carried out in a known manner become.
  • a reduction in the take-off speed of the material web 02 is not necessary since the critical resonance speed of the material roll 06 is shifted into an uncritical range by using the support device 17.
  • the support device 17; 18 can already be started with the new material roll 07, which is still at a standstill, and is thus present during acceleration, it can be designed without a drive motor.
  • FIG. 3 shows a receptacle 05 which is used, for example, as a mandrel 05 on the roll changers 01 and 16, respectively.
  • a support pin 24 is provided, the outer circumference of the inner circumference of a roll of material 06; 07, in particular on the inner circumference of a sleeve 10, for. B. a cardboard sleeve 10 comes to rest.
  • At least two clamping jaws 26 are in each case in the direction of the longitudinal axis of the Support pin 24, ie in the axial direction of the support pin 24, arranged one behind the other, which are aligned with each other.
  • Several mutually adjacent clamping jaws 26 are distributed over the circumference of the support pin 24, in particular evenly spaced apart.
  • the clamping jaws 26 arranged next to one another form annular clamping jaw rows 27 and 28, each with eight clamping jaws 26.
  • the support pin 24 of the mandrel 05 has an outer diameter D24 of approximately 150 mm.
  • a support pin 24 is shown in cross section.
  • a length I24 of the support pin 24 is at least 250 mm in the axial direction of the support pin 24. Lengths I24 of the support pins 24 of at least 300 mm, in particular of at least 330 mm, are also advantageous.
  • a length I26 of the clamping jaws 26 in the axial direction of the support pins 24 is at least 80 mm, in particular at least 95 mm.
  • the sum of the lengths I26 of the clamping jaws 26 is at least 300 mm, in particular 340 mm, in the axial direction of the support pins 24. In a further embodiment, the sum of the lengths I26 of the clamping jaws is 26 380 mm.
  • a diameter D24 of the support pin 24 is larger than 140 mm, in particular it is between 145 mm and 155 mm. A diameter D24 between 148 mm and 152 mm is particularly advantageous.
  • FIG. 5 shows a material roll 06 lying in the two receptacles 05; 07 with a sleeve 10, as is preferably used in the reel changer described.
  • a wall thickness b10 of the sleeve 10 is more than 10 mm, in particular it is greater than 15 mm.
  • An inner diameter d10 of the sleeve 10 is 150.2 + 0.2 mm.
  • the first web speed is reduced to a second web speed, so that the first material web 02 has the second web speed during the connection.
  • the second web speed which is predetermined during the connection, is dependent on the material properties of the sleeve 10 of a material roll 06; 07 set.
  • the size of the inner diameter d10 of the sleeve 10 or the wall thickness b10 of the sleeve 10 determine the reduced web speed of the first material roll 02 during the connection.
  • the second path speed predetermined during the connection is determined, in particular, by the geometric dimension of the receptacle 10 of the trunnion 24.
  • the reduced path speed can also be determined as a function of the length I26 of the clamping jaws 26 of the trunnion 26.
  • the reduction of the web speed is controlled together with the connection process by a program.
  • the roller carrier 04 is equipped with the material roller 06 by means of a sliding carriage 31, for. B. a scissor lift table 31, as shown in Figures 6 and 7. Wheels 33 are attached to the sliding carriage 31, by means of which horizontal movement of the sliding carriage 31 is possible. Movement in height is also possible.
  • a support device 11 with a support belt 12, which is pivotably attached to the scissor lift table 31, is arranged on the sliding carriage 31.
  • This support device 11 is essentially the same support device 11 already described above.
  • the support device 11 is motor-driven, e.g. B. by an AC motor that the support belt 12; 22 of the support device 11 accelerated to web speed and then applied to the expired roll of material 07 by hydraulics.
  • the braking of the material roll 07 is also supported by this motor, since the motor of the support device 11, together with the axis motor of the roll stand 04, brakes along the same torque curve until the remaining roll 07 comes to a standstill.
  • the material roll 06 is transported to the roll changer 01 by means of a chain-pulled trolley 32. There, the trolley 32 with the material roll 06 mounted thereon moves into the sliding carriage 31 at ground level. Wheels 34 are attached to the trolley 32 and allow the trolley to move within the scissor lift table 31.
  • the scissor lift table 31 moves into a centering position and raises the material roll 06 to approx. 1600 mm above the ground.
  • the centered material roll 06 is then brought into the single-axis position of the roll stand 04.
  • the receptacles 05 with the support pins 24 are moved into the material roll 06. If the receptacles 05 with the support pins 24 are inserted into the material roll 06 and the clamping jaws 26 are spread, the scissor lift table is signaled with the signal" roll in " 31 lowered and moved to the home position.
  • the support device 11 moves to the running material roll 07 (support position) after the roll arm rotation and stabilizes it in the center.
  • the running material web 29 is separated from the material roll 07 and stopped via the axis motor of the roll stand 04.
  • the stopping process of the material roll 07 is supported by the support device 11 of the scissor lift table 31.
  • the support belt 12 swivels the scissor lift table 31 moves into its loading position to load a new roll of material 07.
  • the sleeve 10 is removed from the residual roller 07 with a residual sleeve crane, in particular a clamp crane with trolley, and transported to a trolley for disposal.
  • FIG. 8 A schematic view of the reel changer with different stages of reel supply is shown in FIG. 8.

Landscapes

  • Replacement Of Web Rolls (AREA)

Abstract

L'invention concerne un changeur de bobines pour alimenter une bande de matériau, dans les cavités duquel sont logées rotatives, au moins une bobine de matériau en cours de dévidage et au moins une nouvelle bobine de matériau préparée en prévision du changement de bobines. Chaque bobine de matériau est maintenue par deux cavités et chaque cavité présente un tourillon porteur muni de mâchoires de serrage. Au moins quatre mâchoires de serrage sont disposées dans le sens axial des tourillons porteurs.
EP04766793A 2003-12-01 2004-09-15 Changeur de bobines et procede pour effectuer un changement de bobines automatique Withdrawn EP1697243A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10356028A DE10356028A1 (de) 2003-12-01 2003-12-01 Rollenwechsler und ein Verfahren zum Betrieb eines Rollenwechslers und ein Spanndorn
DE202004005645U DE202004005645U1 (de) 2004-04-08 2004-04-08 Materialrollen und Offset-Rotationsdruckmaschine
PCT/EP2004/052176 WO2005054101A2 (fr) 2003-12-01 2004-09-15 Changeur de bobines et procede pour effectuer un changement de bobines automatique

Publications (1)

Publication Number Publication Date
EP1697243A2 true EP1697243A2 (fr) 2006-09-06

Family

ID=34654839

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04766793A Withdrawn EP1697243A2 (fr) 2003-12-01 2004-09-15 Changeur de bobines et procede pour effectuer un changement de bobines automatique

Country Status (4)

Country Link
US (2) US20070102564A1 (fr)
EP (1) EP1697243A2 (fr)
CN (1) CN100595117C (fr)
WO (1) WO2005054101A2 (fr)

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US20080054119A1 (en) * 2006-08-17 2008-03-06 Werner Mueller Winding machine for winding a web of material divided into strips by longitudinal cuts
EP2246282B1 (fr) 2009-04-29 2015-11-25 Tetra Laval Holdings & Finance S.A. Procédé pour déplacer un rouleur de matériau de conditionnement depuis un poste de stockage jusqu'à un poste d'alimentation d'une unité de conditionnement pour la fabrication d'emballages étanches pour un produit alimentation, et unité de serrage pour serrer ledit rouleau
CN102126635B (zh) * 2010-12-08 2012-11-28 胜利油田高原石油装备有限责任公司 驱动系统和支架设为一体的速装卸滚筒
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DE102013017574A1 (de) * 2013-10-24 2015-04-30 Espera-Werke Gmbh Vorrichtung zum Wechseln von Bonrollen einer Etikettiermaschine und entsprechendes Verfahren zum Wechseln von Bonrollen
CN103935801B (zh) * 2014-04-03 2016-05-04 武志生 一种塑料管材自动收卷设备
CA3109820C (fr) 2016-04-28 2023-09-19 Lantech.Com, Llc Changement automatique de rouleau pour machine d'emballage sous film etirable
CN107986055A (zh) * 2017-11-29 2018-05-04 徐雪华 一种多辊式开料机
IT201800007796A1 (it) * 2018-08-03 2020-02-03 Perini Fabio Spa Svolgitore per bobine e metodo di svolgimento
IT202000017404A1 (it) * 2020-07-17 2022-01-17 Stefano Petri Svolgitore compatto
CN112706457A (zh) * 2020-12-31 2021-04-27 南京瑞鑫环保科技有限公司 一种便于更换卷筒的双道制袋机

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US20070102564A1 (en) 2007-05-10
WO2005054101A2 (fr) 2005-06-16
WO2005054101A3 (fr) 2005-08-04
CN100595117C (zh) 2010-03-24
US20090050731A1 (en) 2009-02-26
CN1886318A (zh) 2006-12-27

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