EP1708942B2 - Reel changer - Google Patents
Reel changer Download PDFInfo
- Publication number
- EP1708942B2 EP1708942B2 EP05701605A EP05701605A EP1708942B2 EP 1708942 B2 EP1708942 B2 EP 1708942B2 EP 05701605 A EP05701605 A EP 05701605A EP 05701605 A EP05701605 A EP 05701605A EP 1708942 B2 EP1708942 B2 EP 1708942B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- roll
- drive
- supply roll
- motor
- electric motor
- 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.)
- Not-in-force
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/182—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations
- B65H23/185—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations motor-controlled
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- 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
- B65H16/10—Arrangements for effecting positive rotation of web roll
- B65H16/103—Arrangements for effecting positive rotation of web roll in which power is applied to web-roll spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
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- 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
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/06—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle
- B65H23/066—Electrical brake devices therefor
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- 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)
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- 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
- B65H2301/418—Changing web roll
- B65H2301/4185—Core or mandrel discharge or removal, also organisation of core removal
- B65H2301/41852—Core or mandrel discharge or removal, also organisation of core removal by extracting mandrel from wound roll, e.g. in coreless applications
- B65H2301/418523—Core or mandrel discharge or removal, also organisation of core removal by extracting mandrel from wound roll, e.g. in coreless applications by movement of the wound web roll
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- 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
- B65H2301/418—Changing web roll
- B65H2301/4185—Core or mandrel discharge or removal, also organisation of core removal
- B65H2301/41856—Core or mandrel discharge or removal, also organisation of core removal by stripping core from mandrel or chuck, e.g. by spring mechanism
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- 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
- B65H2301/4187—Relative movement of core or web roll in respect of mandrel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2403/00—Power transmission; Driving means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2403/00—Power transmission; Driving means
- B65H2403/70—Clutches; Couplings
- B65H2403/72—Clutches, brakes, e.g. one-way clutch +F204
- B65H2403/725—Brakes
- B65H2403/7255—Disc brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2403/00—Power transmission; Driving means
- B65H2403/90—Machine drive
- B65H2403/94—Other features of machine drive
- B65H2403/943—Electronic shaft arrangement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2408/00—Specific machines
- B65H2408/20—Specific machines for handling web(s)
- B65H2408/24—Specific machines for handling web(s) unwinding machines
- B65H2408/241—Turret
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2408/00—Specific machines
- B65H2408/20—Specific machines for handling web(s)
- B65H2408/24—Specific machines for handling web(s) unwinding machines
- B65H2408/241—Turret
- B65H2408/2415—Turret specified by number of arms
- B65H2408/24153—Turret specified by number of arms with two arms
Definitions
- the invention relates to a roll changer of a web-fed rotary printing press with a drive having at least one electric motor according to the features of claim 1.
- a reel changer for a printing press is known.
- the drive of the supply rolls can take place according to an embodiment only on one side of the supply roll, whereas the supply roll is mounted on the opposite side without drive in a rotary bearing.
- From the DE 102 24 839 A1 is also known a drive for a paster on a printing press.
- the DE 94 09 754 U1 discloses a winding machine for bandages and bandages, wherein the winding axis may be driven by a synchronous motor.
- the DE 41 26 392 C1 and the DE 31 11 990 C2 describe that it is known in the field of winding devices to use synchronous motors.
- the post-published EP 1 460 010 A2 describes a machine with a preferably designed as a synchronous motor and for direct drive of a winding core of a winding roll serving electric motor.
- From the DE 1 599 036 is a winding device with a composite of segments spreading head known.
- the segments are arranged in a ring around a rotatable winding mandrel provided with cam surfaces and can be moved radially to the axis of the mandrel to or from the mandrel during axial displacement relative to the winding mandrel.
- the segments are held by an axially acting in one direction spring in its spread position. They are by a pressurized piston, which is effective against the force of the spring in the opposite direction, detachable from the spread position.
- the EP 0 981 443 B1 discloses a hollow shaft motor of a rotating cylinder or a roll in a rotary printing machine.
- the EP 1 155 987 A2 refers to a drive for a reel changer with at least one motor as the center drive of a paper roll.
- the torque or the driving force of the motor is transmitted via clamping pins on the core of a paper roll.
- the WO 02/24564 A1 describes an actuator for a mandrel in a reel changer.
- a sleeve can be fixed.
- To fix the sleeve on the mandrel are pressed by compression springs toggle lever on provided jaws to the outside.
- An actuating element can be adjusted axially for actuating the clamping jaws in a hollow shaft by a fluid-driven piston, so that the clamping jaws are pressed outwards and fix the sleeve.
- an ejector device is arranged on the mandrel.
- the ejector device is mounted axially displaceably on the hollow shaft and rotates together with the hollow shaft about a central axis in a housing.
- the post-published WO 2005/056195 A1 discloses an electric motor with permanent magnets for a paster of a printing machine.
- the WO 99/55533 A shows a roller or cylinder of a printing press, which is driven by a permanent magnet electric motor.
- the invention has for its object to provide a reel changer of a web-fed rotary printing press with a drive with at least one electric motor.
- An advantage of the drive is, in particular, that a field-weakenable synchronous motor is provided as the electric motor.
- Such synchronous motors have an extraordinarily wide power spectrum and can be produced inexpensively. Due to their motor characteristics, they are particularly well suited for driving reelstands on a printing machine.
- drive means for reel changers drive cones are normally provided, which come to transmit torque on the inside of the sleeve of the supply roll. These cones are driven by the drive shaft of the drive provided for the electric motor.
- the drive shaft of the synchronous motor itself torque-transmitting to the supply roll, in particular on the sleeve of the supply roll, can be brought into engagement.
- On the rotor of the synchronous motor of the drive cone is directly, in particular rigid, arranged.
- the driver elements on the drive shaft which are provided for torque transmission, should preferably rigid, in particular in one piece, be connected to the drive shaft. In this way, the otherwise required and extremely complicated adjusting mechanisms for adjusting the driver elements can be saved.
- An advantage of the roll changer which is driven only on one side by means of an electric motor, is in particular that the non-driven pivot bearing and axial forces along the central axis of the Supply roll, especially during the Aufachsvorganges record. As a result, it is thereby possible in particular to dimension the axial bearing on the side of the electric motor correspondingly weaker.
- the recordings for storage of the supply roll should preferably be designed to be identical on both sides of the supply roll in order to save costs by using the same common parts. Both recordings should be rotatably mounted, with only one recording is driven by the synchronous motor.
- a free beginning of the supply roll can be rewound onto the supply roll with the aid of the synchronous motor.
- Another advantage is in particular to combine the previously known advantages of a tensionable mandrel with the advantages of a direct central drive a supply roll. This reduces the component complexity and the complexity of the mechanics.
- the device is constructed overall more compact and easier with at least as high functionality.
- a fixing device can be adjusted in a working position and in a rest position to fix the sleeve of a supply roll on the recording and to solve again.
- the drive torque is transmitted through a hollow shaft as a motor drive shaft, which is preferably formed integrally with the receptacle, to the supply roll.
- the fixing device on the receptacle can be actuated by an axially mounted in the hollow shaft actuator.
- the hollow shaft has recesses in which a spring device is arranged.
- the spring device ensures that a sleeve tension acts on the adjusting element, so that the adjusting element returns the fixing device to a rest position fixing the supply roll.
- an actuating device is arranged on the opposite side of the receptacle in the axial position, which displaces the actuating element into a work position which dissolves the supply roll. It is additionally provided in the rest position, a decoupling between the fixed actuator and the hollow shaft with the rotating actuator by a distance between these two to prevent friction between the fixed actuator and the rotating actuator.
- the actuator is a diaphragm cylinder arranged in the extended axial direction of the actuator.
- the actuator is a lever mechanism with a lever arm which is actuated by a diaphragm cylinder, which is arranged in a parallel axial direction to the electric motor.
- Two mandrels for guiding a supply roll can each have an electric motor drive.
- the required power of the torque is distributed from an electric motor to two electric motors, which can be dimensioned correspondingly smaller.
- Concentrically in the axial direction for receiving an ejector unit for stripping the roll of material can be arranged by the recording.
- the actuating element can be used or, preferably, pneumatic cylinders can be provided which are formed parallel to the central axis.
- Fig. 1 is a roll changer 01, in particular a web-fed rotary printing press, for storing a supply roll 02 with a width of z. B. 300 mm to 1000 mm, on which a material web, in particular a printing material web is wound, shown in partial cross-section.
- a synchronous motor 03 is provided for one-sided drive of the supply roll 02.
- the synchronous motor 03 has a drive shaft 04 which projects beyond the housing of the synchronous motor 03 on the side facing the supply roll 02. This projecting side of the drive shafts 04 serves as a receptacle 06 on which the supply roll 02 can be rotatably mounted.
- a pivotally mounted on the roll changer 01 support arm 08 can be adjusted in the direction of the longitudinal axis of the supply roll 02, so that the receptacle 06 of the synchronous motor 03 provided on the inside of the supply roll 02 Sleeve 09 comes into engagement.
- radially projecting driver elements 11 are provided on the receptacle 06, which are integrally formed on the material of the drive shaft 04 and a torque form and can be frictionally transmitted to the supply roll 02.
- a further support arm 12 is provided, which is also adjustable by means of an axial adjustment 13 in the direction of the longitudinal axis of the supply roll 02.
- a non-driven pivot bearing 14 is provided, which receives the weights of the supply roll 02 on the opposite side of the synchronous motor 03 side.
- a receptacle 16 On the side facing the supply roll 02 side of the pivot bearing 14 is a receptacle 16, which is formed substantially identical to the receptacle 06 and also comes on the inside of the sleeve 09 for engagement.
- a drive-less shaft 17 is provided with which the pivot bearing 14 is supported in the direction of the longitudinal axis of the supply roll 02 on the support arm 12, so that larger axial forces can be absorbed by the pivot bearing 14.
- At least the distances of the bearings of the two receptacles 06; 16 are the same.
- a bearing point of the receptacle 06; 16 is on the opposite sides of the support arm 08; 12 arranged.
- a distance between the two bearing points of the receptacle 06; 16 corresponds approximately to the width of the support arm 08; 12th
- Fig. 2 the structure of the synchronous motor 03 is shown enlarged in cross section.
- the receptacle 06 with the driver elements 11 is machined out of the drive shaft 04 by correspondingly suitable machining processes.
- An additional cone between sleeve 09 and drive shaft 04 can thus be omitted.
- the synchronous motor 03 is designed in the manner of a field weakening synchronous motor 03, wherein it can be operated with a field weakening up to a ratio of 1:10.
- the motor 03 has six poles and electrical excitation.
- the rotor of the synchronous motor 03 has poles of permanent magnets and the stator of the synchronous motor 03 has an electrical excitation.
- the permanent magnets preferably have rare earth materials.
- a permanent stall torque of the synchronous motor 03 is in the range of 100 Nm to 200 Nm.
- a maximum torque is in the range of 600 Nm to 800 Nm, in particular at about 700 Nm.
- the synchronous motor 03 has a theoretical idling speed in the range of 500 rpm. up to 600 rpm.
- the synchronous motor 03 is preceded by a frequency converter for speed control.
- a rotation angle sensor is provided on the motor 03.
- a rotation axis of this rotation angle sensor is arranged coaxially with the axis of rotation of the rotor of the synchronous motor 03.
- a rotation axis of the supply roll 02 and a rotation axis of the rotor of the synchronous motor 03 are arranged coaxially with each other.
- a cooling device On the synchronous motor 03, a cooling device is provided, which is designed in the manner of a fan wheel. In generator mode, the synchronous motor 03 itself can be used as a braking device.
- Another possibility for cooling the motor 03 is the cooling by means of water or a cooling fluid.
- Several motors 03 may be connected to a common coolant supply.
- the synchronous motor 03 is designed as a plug-on motor.
- a braking device 24 in particular a friction brake, is arranged on the synchronous motor 03 ( Fig. 12 ).
- the braking device 24 is preferably designed as a disc brake.
- the brake 24 on the one hand supports the braking effect of the engine 03, z. B. when braking the roll of material 02 during normal stop, especially during rapid stop or during control operations.
- the brake 24 serves as a holding brake to z. B. to carry out the adhesive preparation on the roll of material 02.
- the brake is adjustable, in particular braking force variable, controllable or in another embodiment, it is clocked on and off.
- the braking device 24, in particular a disc of a disc brake device, is preferably arranged concentrically with the rotor of the electric motor 03 and connected in a rotationally fixed manner with the latter, in particular with the hollow shaft 04.
- FIG. 3 and FIG. 4 the receptacle 06 is shown enlarged with the driver elements 11.
- Fig. 5 shows a second embodiment of a non-driven pivot bearing 18, which can be used on a reel changer 01. Again, a trailing shaft 19 is provided for the interception of axial forces, with which the pivot bearing 18 on the recording 16 opposite side is supported.
- Fig. 6 shows a schematically illustrated roll changer 01 in cross section.
- the drive shaft 04 is on the supply roll 02 side directed over the housing of the synchronous motor 03, not shown, and serves as a receptacle 06; 16 for the supply roll 02.
- the two receptacles 06; 16 of the roll changer 01 each have their own servomotor 21 for adjusting the recording 06; 16 in the axial direction of the supply roll 02.
- the servomotors 21 are connected to the receptacles 06; 16 movable. This is z. B. a rack on the carrier of the roll changer 01, engage in each of the servomotors 21 driven gears.
- Fig. 7 is a further embodiment of a reel changer 01 with a synchronous motor 03, as already described, shown schematically simplified in cross section.
- the electric motor 03 as a drive shaft 04, a hollow shaft 04, which is connected to a receptacle 05, preferably in one piece, and at the same time rotor of the electric motor 03 is.
- the mandrel 05 is a mandrel 05 and has as a fixing device 26 adjustable jaws 26, the in Fig. 7 abstracted and symbolized as cone are represented. With the clamping jaws 26, the sleeve 27 of a supply roll 02 can be fixed.
- the hollow shaft 04 is an actuator 29.
- the actuator 29 is a to the central axis of the electric motor 03 axially arranged actuating shaft 29 on the side of the mandrel 05 with the clamping jaws 26 by a known from the prior art mechanism, such as in of the WO 02/24564 A1 disclosed is connected.
- the clamping jaws 26 are either pressed outwardly against the sleeve 27 or retracted inwardly to the central axis.
- the jaws 26 are retracted when a new supply roll 02 is to be received or the sleeve 27 of the supply roll 02 is to be released from the mandrel 05 again.
- the actuating shaft 29 is adjusted by an actuator 30 at the end facing away from the mandrel 05.
- the actuator 30 may be any device known in the art that can displace a body under pressure and / or tension in at least two positions.
- the actuating device 30 may be a fluid-driven piston known from the prior art, which applies its pressure forces in the axial direction on the actuating shaft 29 and is therefore symbolic as an arrow in Fig. 7 shown.
- the hollow shaft 04 has recesses 31 in the form of an axial cylinder, in which disk springs 32 are arranged as a spring device 32, from the side facing away from the receiving mandrel 05.
- the plate springs 32 are bounded by a piston 33 which is fixedly connected to the actuating shaft 29.
- the disc springs 32 are thus in a sleeve-shaped intermediate space 31, which is formed on the side facing the mandrel 05 by a fixed stop in the hollow shaft 04 and the movable piston 33 on the opposite side. If the disc springs 32 are in a relaxed resting state, then the clamping jaws 26 in the receiving mandrel 05 are pressed outwards to the maximum.
- the hollow shaft 04 is rotatably mounted in the electric motor 03 via roller bearings 34.
- the Fig. 8 shows a further embodiment of the central drive, which is provided at least at one of two arranged to receive a roll of material 02 receiving mandrels 05 in a known roll changer 01.
- the Fig. 8 shows a partially cutaway cross-section of the electric motor 03 with the hollow shaft 04.
- the hollow shaft 04 is rotatably supported by roller bearings 34 and simultaneously forms the drive shaft 04 of the electric motor 03 from. For reasons of simplification of the known mandrel 05 is not shown.
- the piston 33 is screwed.
- the hollow shaft 04 forms with the actuating shaft 29 and the piston 33 has a sleeve-shaped cavity 31, in which the disc springs 32 are arranged.
- the piston 33 is pressed by an actuator 30 in the direction of the mandrel 05, not shown, in a working position to the, in Fig. 7 shown jaws 26 to pivot inward.
- the actuating device 30 is arranged axially in the extended direction of the actuating shaft 29 in this particular embodiment.
- the actuating device 30 comprises a diaphragm cylinder 35, which is pneumatically controlled. This is advantageous because compressed air is usually present in a manufacturing environment. In the rest position, in the relaxed state of the plate springs 32, the piston 33 and a stopper plunger 36 of the diaphragm cylinder 35 do not touch. Thus, a friction between the stationary stopper plunger 36 and the rotating piston 33 is avoided.
- a so-called encoder 37 is coupled to the drive shaft 04 via belts or a toothed chain. With the encoder 37, the exact position and the speed of the electric motor 03 is detected and the electric motor 03 driven accordingly. Incidentally, reference is expressly made to the specifically shown arrangement, to the drawings thereof as essential.
- the Fig. 9 shows the central drive Fig. 8 ,
- the actuating device 30 is designed as a lever mechanism.
- a lever arm 38 is of a diaphragm cylinder 35 actuated.
- the diaphragm cylinder 35 is arranged with a parallel axis to the central axis of the electric motor 03.
- the lever arm 38 extends across the radius of the electric motor 03 with an extended end.
- a fixed pivot point is arranged at the outer radius of the electric motor 03 at the shorter end of the lever arm 38.
- a fixed pivot point is arranged at the opposite end of the lever arm 38 is movable in the axial direction and is adjusted by the diaphragm cylinder 35.
- the movable piston 33 In height of the movable piston 33 is a ring or a ball which presses on the piston 33 for actuating the actuating element 29 when the lever arm 38 is pivoted by the diaphragm cylinder 35 in the axial direction to the mandrel 05.
- the diaphragm cylinder 35 according to smaller than in the embodiment according to Fig. 8 be dimensioned. This lowers the manufacturing costs and the required fluid pressure for the cylinder 35.
- Such an arrangement makes the central drive more compact than the embodiment according to FIG Fig. 2 ,
- the Fig. 10 shows a third embodiment of the central drive.
- two pneumatic cylinders 39 with a stroke of preferably 125 mm, are arranged parallel to the center axis of the electric motor 03 to form an ejector unit 40.
- the ejector unit 40 pushes the sleeve 27 of the supply roll 02 from the mandrel 05 when the supply roll 02 is to be replaced.
- the ejector unit 40 is stationarily concentric with the mandrel 05 positioned on the central drive and thus does not move with the supply roll 02 with.
- the Fig. 10 shows in cross-section clearly the jaws 26 of the mandrel 05, which press the sleeve 27 of the supply roll 02 for better fixation radially slightly apart.
- a reel changer with two synchronous motors 03 is shown.
- the paster 01 has two pairs of receptacles 05; 06; 16 for receiving 05; 06; 16 each have a supply roll 02.
- the drive is also done here by synchronous motors 03.
- Both pairs of shots 05; 06; 16 are pivotable with two accommodateachsten supply rollers 02 and residual rollers about a common pivot axis. This pivoting movement is made possible by a servomotor 22.
- Each pair of shots 05; 06; 16 is driven only on one side by means of a drive motor 03. It is also possible, the two drive motors 03 of the two pairs of receptacles 05; 06; 16 to arrange on the same side of the roll changer 01. The adjustment of the recording 05; 06; 16 in the axial direction of the supply roll 02 via its own servomotor 21st
- the torque control of the motors is realized by a digital speed controller with limiter.
- This speed controller with the setpoint 0 prevents in the event of a web break that the roller accelerates uncontrollably by braking the roller in this case to a standstill and holding it electrically.
- the web tension can be lowered to a predefined value at standstill.
- the Fig. 13 shows an example of a diagram for drive control.
Landscapes
- Replacement Of Web Rolls (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Automatic Tape Cassette Changers (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Die Erfindung betrifft einen Rollenwechsler einer Rollenrotationsdruckmaschine mit einem Antrieb mit zumindest einem Elektromotor gemäß den Merkmalen des Anspruchs 1.The invention relates to a roll changer of a web-fed rotary printing press with a drive having at least one electric motor according to the features of claim 1.
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Die
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Die
Die
Die
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Bei bekannten Antrieben, die in einem Kernantrieb die Vorratsrolle ohne Zwischenschaltung eines Getriebes oder eines Drehmomentübertragungsmittels, wie einem Gurt, direkt antreiben, wird das Drehmoment über Konen form- und/oder reibschlüssig auf die Hülse einer Vorratrolle übertragen. Die Konen lassen sich nicht spannen. Spannbare Konen sind bei Rollenwechsler mit Gurtantrieb bekannt.In known drives that drive in a core drive the supply roll without the interposition of a transmission or a torque transmitting means, such as a belt, directly, the torque is positively transmitted via cones and / or frictionally engaged on the sleeve of a supply roll. The cones can not be stretched. Tensioning cones are known in reel changers with belt drive.
Der Erfindung liegt die Aufgabe zugrunde, einen Rollenwechsler einer Rollenrotationsdruckmaschine mit einem Antrieb mit zumindest einem Elektromotor zu schaffen.The invention has for its object to provide a reel changer of a web-fed rotary printing press with a drive with at least one electric motor.
Die Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst.The object is achieved by the features of claim 1.
Ein Vorteil des Antriebs liegt insbesondere darin, dass als Elektromotor ein feldschwächbarer Synchronmotor vorgesehen ist. Solche Synchronmotoren weisen ein außerordentlich breites Leistungsspektrum auf und können kostengünstig hergestellt werden. Aufgrund ihrer Motorcharakteristik sind sie besonders gut zum Antrieb von Rollenwechslern an einer Druckmaschine geeignet.An advantage of the drive is, in particular, that a field-weakenable synchronous motor is provided as the electric motor. Such synchronous motors have an extraordinarily wide power spectrum and can be produced inexpensively. Due to their motor characteristics, they are particularly well suited for driving reelstands on a printing machine.
Bei bekannten Antriebseinrichtungen für Rollenwechsler sind normalerweise Antriebskonen vorgesehen, die auf der Innenseite der Hülse der Vorratsrolle drehmomentübertragend zum Eingriff kommen. Diese Konen werden durch die Antriebswelle des zum Antrieb vorgesehenen Elektromotors angetrieben. Um eine Vereinfachung und damit eine Kosteneinsparung zu erreichen, ist es nach einer bevorzugten Ausführungsform des Antriebs vorgesehen, dass die Antriebswelle des Synchronmotors selbst drehmomentübertragend an der Vorratsrolle, insbesondere an der Hülse der Vorratsrolle, zum Eingriff bringbar ist. Am Läufer des Synchronmotors ist der Antriebskonus direkt, insbesondere starr, angeordnet.In known drive means for reel changers drive cones are normally provided, which come to transmit torque on the inside of the sleeve of the supply roll. These cones are driven by the drive shaft of the drive provided for the electric motor. In order to achieve a simplification and thus a cost saving, it is provided according to a preferred embodiment of the drive, that the drive shaft of the synchronous motor itself torque-transmitting to the supply roll, in particular on the sleeve of the supply roll, can be brought into engagement. On the rotor of the synchronous motor of the drive cone is directly, in particular rigid, arranged.
Die Mitnehmerelemente an der Antriebswelle, die zur Drehmomentübertragung vorgesehen sind, sollten dabei vorzugsweise starr, insbesondere einstückig, mit der Antriebswelle verbunden sein. Auf diese Weise lassen sich die ansonsten erforderlichen und außerordentlich aufwendigen Stellmechanismen zur Verstellung der Mitnehmerelemente einsparen.The driver elements on the drive shaft, which are provided for torque transmission, should preferably rigid, in particular in one piece, be connected to the drive shaft. In this way, the otherwise required and extremely complicated adjusting mechanisms for adjusting the driver elements can be saved.
Ein Vorteil des Rollenwechslers, der lediglich auf einer Seite mittels eines Elektromotors angetrieben wird, liegt insbesondere darin, dass das antriebslose Drehlager auch Axialkräfte längs der Mittelsachse der Vorratsrolle, insbesondere während des Aufachsvorganges, aufnehmen kann. Im Ergebnis ist es dadurch insbesondere möglich die Axiallagerung auf der Seite des Elektromotors entsprechend schwächer zu dimensionieren.An advantage of the roll changer, which is driven only on one side by means of an electric motor, is in particular that the non-driven pivot bearing and axial forces along the central axis of the Supply roll, especially during the Aufachsvorganges record. As a result, it is thereby possible in particular to dimension the axial bearing on the side of the electric motor correspondingly weaker.
Die Aufnahmen zur Lagerung der Vorratsrolle sollten dabei vorzugsweise auf beiden Seiten der Vorratsrolle baugleich ausgebildet sein, um durch Verwendung entsprechender Gleichteile Kosten einsparen zu können. Beide Aufnahmen sollten drehbar gelagert sein, wobei nur eine Aufnahme von dem Synchronmotor angetrieben ist.The recordings for storage of the supply roll should preferably be designed to be identical on both sides of the supply roll in order to save costs by using the same common parts. Both recordings should be rotatably mounted, with only one recording is driven by the synchronous motor.
In einer weiteren vorteilhaften Ausführungsform kann mit Hilfe des Synchronmotors ein freier Anfang der Vorratsrolle auf die Vorratsrolle zurückgespult werden.In a further advantageous embodiment, a free beginning of the supply roll can be rewound onto the supply roll with the aid of the synchronous motor.
Ein weiterer Vorteil besteht insbesondere darin, die bisher bekannten Vorzüge eines spannbaren Aufnahmedorns mit den Vorteilen eines direkten Zentralantriebs einer Vorratsrolle zu kombinieren. Dadurch reduzieren sich der Bauteilaufwand und die Komplexität der Mechanik. Die Vorrichtung ist insgesamt kompakter und einfacher bei mindestens genauso hoher Funktionalität aufgebaut. Am Aufnahmedorn lässt sich eine Fixiervorrichtung in eine Arbeitsstellung und in eine Ruhestellung verstellen, um die Hülse einer Vorratsrolle an der Aufnahme zu fixieren und wieder zu lösen. Das Antriebsdrehmoment wird durch eine Hohlwelle als Motorantriebswelle, die vorzugsweise einstückig mit der Aufnahme ausgebildet ist, auf die Vorratsrolle übertragen.Another advantage is in particular to combine the previously known advantages of a tensionable mandrel with the advantages of a direct central drive a supply roll. This reduces the component complexity and the complexity of the mechanics. The device is constructed overall more compact and easier with at least as high functionality. On the mandrel, a fixing device can be adjusted in a working position and in a rest position to fix the sleeve of a supply roll on the recording and to solve again. The drive torque is transmitted through a hollow shaft as a motor drive shaft, which is preferably formed integrally with the receptacle, to the supply roll.
Die Fixiervorrichtung an der Aufnahme kann durch ein in der Hohlwelle axial gelagertes Stellelement betätigt werden. Die Hohlwelle weist Ausnehmungen auf, in denen eine Federvorrichtung angeordnet ist. Die Federvorrichtung sorgt dafür, dass eine Hülsenspannung auf das Stellelement wirkt, so dass das Stellelement die Fixiervorrichtung in eine, die Vorratsrolle fixierende, Ruhestellung zurückführt. Am Stellelement ist auf der der Aufnahme gegenüberliegenden Seite in axialer Lage eine Betätigungsvorrichtung angeordnet, die das Stellelement in eine, die Vorratsrolle lösende, Arbeitsstellung verschiebt. Es wird zusätzlich in der Ruhestellung eine Entkoppelung zwischen der feststehenden Betätigungsvorrichtung und dem sich mit der Hohlwelle rotierenden Stellelement durch einen Abstand zwischen diesen Beiden geschaffen, um eine Reibung zwischen der feststehenden Betätigungsvorrichtung und dem sich drehenden Stellelement zu verhindern.The fixing device on the receptacle can be actuated by an axially mounted in the hollow shaft actuator. The hollow shaft has recesses in which a spring device is arranged. The spring device ensures that a sleeve tension acts on the adjusting element, so that the adjusting element returns the fixing device to a rest position fixing the supply roll. On the adjusting element, an actuating device is arranged on the opposite side of the receptacle in the axial position, which displaces the actuating element into a work position which dissolves the supply roll. It is additionally provided in the rest position, a decoupling between the fixed actuator and the hollow shaft with the rotating actuator by a distance between these two to prevent friction between the fixed actuator and the rotating actuator.
Praktischerweise ist die Betätigungsvorrichtung ein in der verlängerten axialen Richtung des Stellelements angeordneter Membranzylinder. Um den Membranzylinder kleiner dimensionieren zu können und die Vorrichtung kompakter auszubilden, ist die Betätigungsvorrichtung ein Hebelmechanismus mit einem Hebelarm, der von einem Membranzylinder betätigbar ist, der in paralleler Achsrichtung zum Elektromotor angeordnet ist.Conveniently, the actuator is a diaphragm cylinder arranged in the extended axial direction of the actuator. In order to make the diaphragm cylinder smaller and make the device more compact, the actuator is a lever mechanism with a lever arm which is actuated by a diaphragm cylinder, which is arranged in a parallel axial direction to the electric motor.
Zwei Aufnahmedorne zur Führung einer Vorratsrolle können jeweils einen Elektromotor als Antrieb aufweisen. Dadurch verteilt sich die benötigte Leistung des Drehmoments von einem Elektromotor auf zwei Elektromotoren, die entsprechend kleiner dimensioniert werden können.Two mandrels for guiding a supply roll can each have an electric motor drive. As a result, the required power of the torque is distributed from an electric motor to two electric motors, which can be dimensioned correspondingly smaller.
In Achsrichtung konzentrisch zur Aufnahme kann eine Auswerfereinheit zum Abstreifen der Materialrolle von der Aufnahme angeordnet werden. Zur Betätigung der Auswerfereinheit kann entweder das Stellelement verwendet werden oder es können bevorzugt Pneumatikzylinder vorgesehen sein, die parallel zur Mittelachse ausgebildet sind.Concentrically in the axial direction for receiving an ejector unit for stripping the roll of material can be arranged by the recording. For actuating the ejector unit, either the actuating element can be used or, preferably, pneumatic cylinders can be provided which are formed parallel to the central axis.
Ausführungsbeispiele sind in den Zeichnungen dargestellt und werden im Folgenden näher beschrieben.Embodiments are illustrated in the drawings and will be described in more detail below.
Es zeigen:
- Fig. 1
- einen Rollenwechsler im teilweise dargestellten Querschnitt;
- Fig. 2
- den Elektromotor zum Antrieb des Rollenwechslers gemäß
Fig. 1 im Querschnitt; - Fig. 3
- die zur Lagerung einer Vorratsrolle vorgesehene Aufnahme des Elektromotors gemäß
Fig. 2 in seitlicher Ansicht; - Fig. 4
- die Aufnahme gemäß
Fig. 3 in Ansicht von vorne; - Fig. 5
- eine zweite Ausführungsform eines antriebslosen Drehlagers im Querschnitt;
- Fig. 6
- einen schematisch dargestellten Rollenwechsler;
- Fig. 7
- einen Hohlwellenmotor schematisch im Querschnitt;
- Fig. 8
- einen Querschnitt eines Zentralantriebs mit in Achsrichtung verlängerter Betätigungsvorrichtung;
- Fig. 9
- einen Querschnitt eines Antriebs mit einem Hebelmechanismus;
- Fig. 10
- einen Querschnitt eines Antriebs mit einer Auswerfereinheit;
- Fig. 11
- einen Rollenwechsler in einer seitlichen Ansicht;
- Fig.12
- eine schematische Darstellung eines Zentralantriebs mit einer Bremse;
- Fig. 13
- eine grafische Darstellung einer Antriebsregelung.
- Fig. 1
- a reel changer in the partially illustrated cross section;
- Fig. 2
- the electric motor for driving the reel changer according to
Fig. 1 in cross-section; - Fig. 3
- provided for storage of a supply roll receiving the electric motor according to
Fig. 2 in lateral view; - Fig. 4
- the recording according to
Fig. 3 in front view; - Fig. 5
- a second embodiment of a non-rotating pivot bearing in cross section;
- Fig. 6
- a roll changer shown schematically;
- Fig. 7
- a hollow shaft motor schematically in cross section;
- Fig. 8
- a cross section of a central drive with elongated actuator in the axial direction;
- Fig. 9
- a cross section of a drive with a lever mechanism;
- Fig. 10
- a cross section of a drive with an ejector unit;
- Fig. 11
- a roll changer in a side view;
- Figure 12
- a schematic representation of a central drive with a brake;
- Fig. 13
- a graphic representation of a drive control.
In
Mittels einer Axialverstellung 07, die in der Art einer Scherenhebelmechanik ausgebildet ist, kann ein am Rollenwechsler 01 schwenkbar gelagerter Tragarm 08 in Richtung der Längsachse der Vorratsrolle 02 verstellt werden, so dass die Aufnahme 06 des Synchronmotors 03 auf der Innenseite der an der Vorratsrolle 02 vorgesehenen Hülse 09 zum Eingriff kommt. Zur Drehmomentübertragung von der Antriebswelle 04 auf die Hülse 09 sind an der Aufnahme 06 radial überstehende Mitnehmerelemente 11 vorgesehen, die einstückig an das Material der Antriebswelle 04 angeformt sind und ein Drehmoment form- und reibschlüssig auf die Vorratsrolle 02 übertragen können.By means of an
Auf der gegenüberliegenden Seite des Rollenwechslers 01 ist ein weiterer Tragarm 12 vorgesehen, der ebenfalls mittels einer Axialverstellung 13 in Richtung der Längsachse der Vorratsrolle 02 verstellbar ist. Am Tragarm 12 ist ein antriebsloses Drehlager 14 vorgesehen, das auf der dem Synchronmotor 03 gegenüberliegenden Seite die Gewichtskräfte der Vorratsrolle 02 aufnimmt. Auf der zur Vorratsrolle 02 weisenden Seite des Drehlagers 14 steht eine Aufnahme 16 über, die im Wesentlichen baugleich zur Aufnahme 06 ausgebildet ist und ebenfalls auf der Innenseite der Hülse 09 zum Eingriff kommt. Auf der der Aufnahme 16 gegenüberliegenden Seite des Drehlagers 14 ist eine antriebslose Welle 17 vorgesehen, mit der das Drehlager 14 in Richtung der Längsachse der Vorratsrolle 02 am Tragarm 12 abgestützt ist, so dass auch größere Axialkräfte vom Drehlager 14 aufgenommen werden können.On the opposite side of the
Mindestens die Abstände der Lagerstellen der beiden Aufnahmen 06; 16 sind gleich. Jeweils eine Lagerstelle der Aufnahme 06; 16 ist an den gegenüberliegenden Seiten des Tragarmes 08; 12 angeordnet. Ein Abstand der beiden Lagerstellen der Aufnahme 06; 16 entspricht annähernd der Breite des Tragarmes 08; 12.At least the distances of the bearings of the two
In
Der Synchronmotor 03 ist in der Art eines feldschwächbaren Synchronmotors 03 ausgebildet, wobei er mit einer Feldschwächung bis zu einem Verhältnis 1 : 10 betrieben werden kann. Der Motor 03 weist sechs Pole und eine elektrische Erregung auf. Der Läufer des Synchronmotors 03 weist Pole aus Permanentmagneten auf und der Stator des Synchronmotors 03 weist eine elektrische Erregung auf.
Die Permanentmagnete weisen vorzugsweise Selten-Erde-Werkstoffe auf.The
The permanent magnets preferably have rare earth materials.
Ein Dauerstillstandsmoment des Synchronmotor 03 liegt im Bereich von 100 Nm bis 200 Nm. Ein maximales Drehmoment liegt im Bereich von 600 Nm bis 800 Nm, insbesondere bei ungefähr 700 Nm. Weiter weist der Synchronmotor 03 eine theoretische Leerlaufdrehzahl im Bereich von 500 U/min. bis 600 U/min auf.A permanent stall torque of the
Dem Synchronmotor 03 ist ein Frequenzumformer zur Drehzahlregelung vorgeschaltet.The
Außerdem ist am Motor 03 ein Drehwinkelsensor vorgesehen. Eine Rotationsachse dieses Drehwinkelsensors ist koaxial zur Rotationsachse des Läufers des Synchronmotors 03 angeordnet. Des weiteren sind eine Rotationsachse der Vorratsrolle 02 und eine Rotationsachse des Läufers des Synchronmotors 03 koaxial zueinander angeordnet.In addition, a rotation angle sensor is provided on the
Am Synchronmotor 03 ist eine Kühleinrichtung vorgesehen, die in der Art eines Lüfterrades ausgebildet ist. Im Generatorbetrieb ist der Synchronmotor 03 selbst als Bremseinrichtung einsetzbar.On the
Eine weitere Kühlmöglichkeit des Motors 03 ist die Kühlung mittels Wassers oder eines Kühlfluids. Dabei können mehrere Motoren 03 an einer gemeinsamen Kühlmittelversorgung angeschlossen sein.Another possibility for cooling the
In einer besonderen Ausführungsform ist der Synchronmotor 03 als Aufsteckmotor ausgebildet.In a particular embodiment, the
In einer bevorzugten Ausführungsform ist eine Bremseinrichtung 24, insbesondere eine Reibbremse, am Synchronmotor 03 angeordnet (
Die Bremseinrichtung 24 ist vorzugsweise als Scheibenbremse ausgebildet. Die Bremse 24 unterstützt zum Einen die Bremswirkung des Motors 03, z. B. beim Abbremsen der Materialrolle 02 beim normalen Halt, insbesondere beim Schnellstop oder bei Regelvorgängen. Zum Anderen dient die Bremse 24 als Festhaltebremse um z. B. die Klebevorbereitung an der Materialrolle 02 durchzuführen. Die Bremse ist regelbar, insbesondere bremskraftveränderbar, ansteuerbar oder in einer anderen Ausführungsform ist sie getaktet ein- und ausschaltbar.The
Die Bremseinrichtung 24, insbesondere eine Scheibe einer Scheibenbremseinrichtung, ist vorzugsweise konzentrisch zu dem Läufer des Elektromotors 03 angeordnet und drehfest mit diesem, insbesondere mit der Hohlwelle 04, verbunden.The
In
In
Der Elektromotor 03, hat als Antriebswelle 04 eine Hohlwelle 04, die mit einer Aufnahme 05, vorzugsweise einstückig, verbunden ist und gleichzeitig Rotor des Elektromotors 03 ist. Der Aufnahmedorn 05 ist ein Spanndorn 05 und hat als Fixiervorrichtung 26 verstellbare Spannbacken 26, die in
Durch Verschiebung der Betätigungswelle 29 werden die Spannbacken 26 entweder nach außen gegen die Hülse 27 gedrückt oder nach innen zur Mittelachse eingezogen. Die Spannbacken 26 werden eingezogen, wenn eine neue Vorratsrolle 02 aufgenommen werden soll oder die Hülse 27 der Vorratsrolle 02 vom Aufnahmedorn 05 wieder gelöst werden soll.By displacement of the actuating
Die Betätigungswelle 29 wird von einer Betätigungsvorrichtung 30 an dem dem Aufnahmedorn 05 abgewandten Ende verstellt. Die Betätigungsvorrichtung 30 kann jede aus dem Stand der Technik bekannte Vorrichtung sein, die einen Körper unter Druck und/oder Zug in mindestens zwei Positionen verschieben kann. Die Betätigungsvorrichtung 30 kann ein aus dem Stand der Technik bekannter fluidangetriebener Kolben sein, der seine Druckkräfte in axialer Richtung auf die Betätigungswelle 29 aufbringt und ist deshalb symbolisch als Pfeil in
Die Hohlwelle 04 hat von der dem Aufnahmedorn 05 abgewandten Seite Ausnehmungen 31 in Form eines axialen Zylinders, in dem Tellerfedern 32 als Federvorrichtung 32 angeordnet sind. Die Tellerfedern 32 werden von einem Kolben 33 begrenzt, der mit der Betätigungswelle 29 fest verbunden ist. Die Tellerfedern 32 befinden sich also in einem hülsenförmigen Zwischenraum 31, der auf der zum Spanndorn 05 gerichteten Seite durch einen ortsfesten Anschlag in der Hohlwelle 04 und dem beweglichen Kolben 33 auf der entgegengesetzten Seite gebildet wird. Sind die Tellerfedern 32 in einem entspannten Ruhezustand, so sind die Spannbacken 26 im Aufnahmedorn 05 maximal nach außen gedrückt. Wird der Kolben 33 in einem Arbeitszustand von der Betätigungsvorrichtung 30 in Richtung Aufnahmedorn 05 gedrückt, so bewegen sich die Spannbacken 26 zur Mittelachse nach innen. Die Hülse 27 einer Vorratsrolle 02 kann dann vom Aufnahmedorn 05 gelöst werden und eine neue Hülse 27 kann aufgenommen werden. Die Hohlwelle 04 ist im Elektromotor 03 über Wälzlager 34 drehbar gelagert.The
Die
Zur Steuerung des Synchronmotors 03 ist ein sogenannter Geber 37 über Riemen oder eine Zahnkette an die Antriebswelle 04 gekoppelt. Mit dem Geber 37 wird die genaue Stellung und die Geschwindigkeit des Elektromotors 03 detektiert und der Elektromotor 03 entsprechend angesteuert. Im Übrigen wird auf die speziell gezeigte Anordnung, auf deren zeichnerische Darstellung ausdrücklich als wesentlich verwiesen.To control the
Die
Die
In
Beide Paare von Aufnahmen 05; 06; 16 sind mit zwei aufgeachsten Vorratsrollen 02 bzw. Restrollen um eine gemeinsame Schwenkachse schwenkbar. Diese Schwenkbewegung wird über einen Stellmotor 22 ermöglicht. Jedes Paar von Aufnahmen 05; 06; 16 ist dabei nur einseitig mittels eines Antriebsmotors 03 angetrieben. Auch ist es möglich, die beiden Antriebsmotoren 03 der beiden Paare von Aufnahmen 05; 06; 16 auf der gleichen Seite des Rollenwechslers 01 anzuordnen. Die Verstellung der Aufnahme 05; 06; 16 in axialer Richtung der Vorratsrolle 02 erfolgt über einen eigenen Stellmotor 21.Both pairs of
Der sich ständig ändernde Durchmesser der Rolle (dRolle) und die konstante Bahnspannung (FBahn) bewirken über die Beziehung MRolle = FBahn * dRolle / 2 die Notwendigkeit eines weiten Stellbereiches des Bremsmomentes (MRolle) der Rolle, der dem Durchmesser entsprechend gesteuert oder über einen Zugkraftregler geregelt werden muss.The constantly changing diameter of the roll (d roll ) and the constant web tension (F web ) bring about the relationship M roll = F web * d roll / 2 the need for a wide range of the braking torque (M roll ) of the roll, the diameter must be controlled accordingly or controlled by a draft regulator.
Um die Zugspannung der Bahn mit einer hohen Genauigkeit auf dem gewünschten Sollwert zu halten ist es nötig, den genauen Durchmesser der Rolle zu bestimmen. Da Rollen mit unterschiedlichen Anfangsradien verwendet werden, ist es sinnvoll, die Bestimmung des Rollendurchmessers automatisch mit Hilfe des Maschinenleitwertes vorzunehmen. Ist der Durchmesser bekannt, wird über die Beziehung MRolle = FBahn *dRolle / 2 der gewünschte Kraftsollwert an der Bahn gesteuert. Dabei werden geschwindigkeitsabhängige Nichtlinearitäten ebenso kompensiert wie die Reibung der Rolle. Ein optionaler, überlagerter PID-Regler gleicht zusätzlich unbekannte Störgrößen sowie Veränderungen der Systemgrößen mit Hilfe des Bahnspannung-Ist-Wertes aus.To keep the tension of the web at a high accuracy at the desired set point, it is necessary to determine the exact diameter of the roll. Since rolls with different initial radii are used, it makes sense to automatically determine the roll diameter using the machine master. If the diameter is known, the desired force setpoint on the path is controlled via the relationship M roller = F path * d roller / 2. Speed-dependent nonlinearities are compensated, as is the friction of the roller. An optional, superimposed PID controller additionally compensates unknown disturbance variables as well as changes in the system variables with the aid of the web tension actual value.
Die Momentsteuerung der Motoren ist durch einen digitalen Drehzahlregler mit Begrenzer realisiert. Dieser Drehzahlregler mit dem Sollwert 0 verhindert bei einem Bahnriss, dass die Rolle unkontrolliert beschleunigt, in dem er die Rolle in diesem Fall bis zum Stillstand abbremst und elektrisch hält.The torque control of the motors is realized by a digital speed controller with limiter. This speed controller with the
Zusätzlich lässt sich die Bahnspannung bei Stillstand auf einen vordefinierten Wert absenken.In addition, the web tension can be lowered to a predefined value at standstill.
Die
- 0101
- Rollenwechslerreelstands
- 0202
- Vorratsrolle, MaterialrolleSupply roll, roll of material
- 0303
- Motor, Elektromotor, Synchronmotor, AntriebsmotorMotor, electric motor, synchronous motor, drive motor
- 0404
- Antriebswelle, HohlwelleDrive shaft, hollow shaft
- 0505
- Aufnahme, Aufnahmedorn, SpanndornRecording, mandrel, mandrel
- 0606
- Aufnahmeadmission
- 0707
- Axialverstellungaxial adjustment
- 0808
- TragarmBeam
- 0909
- Hülseshell
- 1010
- --
- 1111
- Mitnehmerelementdogging
- 1212
- TragarmBeam
- 1313
- Axialverstellungaxial adjustment
- 1414
- Drehlagerpivot bearing
- 1515
- --
- 1616
- Aufnahmeadmission
- 1717
- Wellewave
- 1818
- Drehlagerpivot bearing
- 1919
- Wellewave
- 2020
- --
- 2121
- Stellmotorservomotor
- 2222
- Stellmotorservomotor
- 2323
- --
- 2424
- Bremseinrichtung, BremseBrake device, brake
- 2525
- --
- 2626
- Fixiervorrichtung, SpannbackenFixing device, clamping jaws
- 2727
- Hülseshell
- 2828
- --
- 2929
- Stellelement, BetätigungswelleControl element, actuating shaft
- 3030
- Betätigungsvorrichtung, AuswerfereinheitActuator, ejector unit
- 3131
- Ausnehmungen, Zwischenraum, HohlraumRecesses, space, cavity
- 3232
- Federvorrichtung, TellerfedernSpring device, disc springs
- 3333
- Kolbenpiston
- 3434
- Wälzlagerroller bearing
- 3535
- Zylinder, MembranzylinderCylinder, diaphragm cylinder
- 3636
- Anschlagstößelstop plunger
- 3737
- Gebergiver
- 3838
- Hebelarmlever arm
- 3939
- Pneumatikzylinderpneumatic cylinder
- 4040
- Auswerfereinheitejector
Claims (1)
- A roll changer of a web-fed rotary printing press with a drive with at least one electric motor (03) by which a roll of material (02), which is held on a receiving means (06) in the roll changer (01) and onto which a web of material is wound, is capable of being driven in a rotating manner, wherein the electric motor (03) is constructed in the form of a synchronous motor (03), wherein the rotor of the synchronous motor (03) has poles comprising permanent magnets,
wherein a receiving means (05; 06; 16) engages in each end of the two ends of the roll of material (02),
wherein two pairs of receiving means (05; 06; 16) are provided for receiving one roll of material (02) or one empty roll in each case,
wherein each of the receiving means (05; 06; 16) of the roll changer (01) has a separate servo-motor (21) for the displacement of the receiving means (05; 06; 16) in the axial direction of the roll of material (02),
wherein the servo-motors (21) are movable with the receiving means (05; 06; 16).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07103429A EP1790597B1 (en) | 2004-01-30 | 2005-01-25 | Reel changer with actuator |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410004759 DE102004004759B4 (en) | 2004-01-30 | 2004-01-30 | Drive for a reel changer |
DE200410030490 DE102004030490A1 (en) | 2004-06-24 | 2004-06-24 | Drive for the paper roll change mechanism, at a printing press, has at least one synchronous electromotor with its drive shaft engaging the paper roll directly for torque transmission |
PCT/EP2005/050308 WO2005073114A2 (en) | 2004-01-30 | 2005-01-25 | Drives pertaining to a reel changer |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07103429A Division EP1790597B1 (en) | 2004-01-30 | 2005-01-25 | Reel changer with actuator |
EP07103429.2 Division-Into | 2007-03-02 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1708942A2 EP1708942A2 (en) | 2006-10-11 |
EP1708942B1 EP1708942B1 (en) | 2007-03-21 |
EP1708942B2 true EP1708942B2 (en) | 2012-07-04 |
Family
ID=34828325
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05701605A Not-in-force EP1708942B2 (en) | 2004-01-30 | 2005-01-25 | Reel changer |
EP07103429A Not-in-force EP1790597B1 (en) | 2004-01-30 | 2005-01-25 | Reel changer with actuator |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07103429A Not-in-force EP1790597B1 (en) | 2004-01-30 | 2005-01-25 | Reel changer with actuator |
Country Status (7)
Country | Link |
---|---|
US (1) | US20070170299A1 (en) |
EP (2) | EP1708942B2 (en) |
AT (2) | ATE357393T1 (en) |
DE (2) | DE502005003377D1 (en) |
ES (1) | ES2281893T3 (en) |
RU (1) | RU2006131051A (en) |
WO (1) | WO2005073114A2 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102008001796B3 (en) * | 2008-05-15 | 2009-06-10 | Koenig & Bauer Aktiengesellschaft | Clamping cone for a reel changer |
DE102008002021B4 (en) | 2008-05-28 | 2012-01-26 | Koenig & Bauer Aktiengesellschaft | Clamping cone for a reel changer |
IT1399020B1 (en) * | 2009-06-17 | 2013-04-05 | Samp S P A | FLANGE AND / OR POINTED APPARATUS FOR A SPOOL ADJUSTED FOR WINDING ADHESIVE WIRE OR OTHER FLEXIBLE AND CONTINUOUS PRODUCTS, METAL OR OTHER MATERIAL. |
IT1398121B1 (en) * | 2010-02-19 | 2013-02-07 | Tecno Pack S P A | DOUBLE COIL DOOR UNIT FOR THE FILM FOR A PACKAGING MACHINE |
US20120193468A1 (en) * | 2011-01-28 | 2012-08-02 | Lawniczak Gary P | Core driving method for printer web medium supply |
CN105173821B (en) * | 2015-07-10 | 2017-08-25 | 嘉善圣士得毛皮服饰有限公司 | A kind of winding device |
DE102015225914A1 (en) | 2015-12-18 | 2017-06-22 | Krones Aktiengesellschaft | Apparatus and method for conveying, providing and exchanging rolls of packaging material in a packaging machine |
DE102017131417A1 (en) * | 2017-12-29 | 2019-07-04 | Weber Maschinenbau Gmbh Breidenbach | Device for packaging objects |
IT201900011703A1 (en) * | 2019-07-15 | 2021-01-15 | Renova S R L | MACHINE FOR THE PRODUCTION OF CARDBOARD |
CN112722942B (en) * | 2021-02-11 | 2022-12-09 | 沛县万豪纺织科技有限公司 | Cloth rolling equipment |
US11851298B2 (en) * | 2021-05-28 | 2023-12-26 | Renova S.R.L. | Machine for producing cardboard |
Citations (2)
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US20020130214A1 (en) † | 2001-03-15 | 2002-09-19 | Daisuke Nakamura | Web infeed for a rotary printing press |
WO2005056195A1 (en) † | 2003-12-12 | 2005-06-23 | Maschinenfabrik Wifag | External rotor drive |
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WO1998051497A2 (en) * | 1997-05-14 | 1998-11-19 | Koenig & Bauer Aktiengesellschaft | Drive for a rotating component of a rotary printing press |
JP2000134891A (en) * | 1998-10-28 | 2000-05-12 | Okuma Corp | Synchronous motor and controller therefor |
JP3041619B1 (en) * | 1999-04-23 | 2000-05-15 | 株式会社東京機械製作所 | Web loading device in the paper feed unit |
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DE102005021077A1 (en) * | 2005-05-06 | 2006-11-09 | Kampf Gmbh & Co Maschinenfabrik | Clamping head for a slitter winder and winding machine |
-
2005
- 2005-01-25 AT AT05701605T patent/ATE357393T1/en not_active IP Right Cessation
- 2005-01-25 EP EP05701605A patent/EP1708942B2/en not_active Not-in-force
- 2005-01-25 EP EP07103429A patent/EP1790597B1/en not_active Not-in-force
- 2005-01-25 DE DE502005003377T patent/DE502005003377D1/en not_active Expired - Fee Related
- 2005-01-25 DE DE502005000503T patent/DE502005000503D1/en active Active
- 2005-01-25 ES ES05701605T patent/ES2281893T3/en active Active
- 2005-01-25 AT AT07103429T patent/ATE389607T1/en not_active IP Right Cessation
- 2005-01-25 RU RU2006131051/11A patent/RU2006131051A/en not_active Application Discontinuation
- 2005-01-25 US US10/587,373 patent/US20070170299A1/en not_active Abandoned
- 2005-01-25 WO PCT/EP2005/050308 patent/WO2005073114A2/en active IP Right Grant
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US20020130214A1 (en) † | 2001-03-15 | 2002-09-19 | Daisuke Nakamura | Web infeed for a rotary printing press |
WO2005056195A1 (en) † | 2003-12-12 | 2005-06-23 | Maschinenfabrik Wifag | External rotor drive |
Also Published As
Publication number | Publication date |
---|---|
EP1790597A1 (en) | 2007-05-30 |
ATE389607T1 (en) | 2008-04-15 |
EP1790597B1 (en) | 2008-03-19 |
EP1708942A2 (en) | 2006-10-11 |
RU2006131051A (en) | 2008-03-10 |
ATE357393T1 (en) | 2007-04-15 |
DE502005003377D1 (en) | 2008-04-30 |
WO2005073114A2 (en) | 2005-08-11 |
WO2005073114A3 (en) | 2005-09-29 |
US20070170299A1 (en) | 2007-07-26 |
EP1708942B1 (en) | 2007-03-21 |
ES2281893T3 (en) | 2007-10-01 |
DE502005000503D1 (en) | 2007-05-03 |
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