EP1721712A1 - Dispositif de coupe rotative, procédé de mise hors service d'un dispositif de coupe rotative et procédé de mise en oeuvre d'un dispositif de coupe rotative - Google Patents

Dispositif de coupe rotative, procédé de mise hors service d'un dispositif de coupe rotative et procédé de mise en oeuvre d'un dispositif de coupe rotative Download PDF

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Publication number
EP1721712A1
EP1721712A1 EP20060008621 EP06008621A EP1721712A1 EP 1721712 A1 EP1721712 A1 EP 1721712A1 EP 20060008621 EP20060008621 EP 20060008621 EP 06008621 A EP06008621 A EP 06008621A EP 1721712 A1 EP1721712 A1 EP 1721712A1
Authority
EP
European Patent Office
Prior art keywords
roller
cutting
counter
rotary cutting
cutting roller
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.)
Granted
Application number
EP20060008621
Other languages
German (de)
English (en)
Other versions
EP1721712B1 (fr
Inventor
Wilhelm Aichele
Matthias Aichele
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.)
Aichele Werkzeuge GmbH
Original Assignee
Aichele Werkzeuge GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aichele Werkzeuge GmbH filed Critical Aichele Werkzeuge GmbH
Publication of EP1721712A1 publication Critical patent/EP1721712A1/fr
Application granted granted Critical
Publication of EP1721712B1 publication Critical patent/EP1721712B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614—Means for mounting the cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/22—Safety devices specially adapted for cutting machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • B26D7/265—Journals, bearings or supports for positioning rollers or cylinders relatively to each other
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/483—With cooperating rotary cutter or backup
    • Y10T83/4833—Cooperating tool axes adjustable relative to each other
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/483—With cooperating rotary cutter or backup
    • Y10T83/4838—With anvil backup
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/768—Rotatable disc tool pair or tool and carrier
    • Y10T83/7809—Tool pair comprises rotatable tools
    • Y10T83/7851—Tool pair comprises disc and cylindrical anvil
    • Y10T83/7855—With adjustable means to urge tool elements together

Definitions

  • the invention relates to a rotary cutting device, comprising a rotatably mounted cutting roller and a counter-roller, wherein for supporting the cutting roller on the counter-roller at least one support ring is provided.
  • the invention further relates to a method for decommissioning a rotary cutting device with a rotatably mounted cutting roller and a counter-roller.
  • the invention relates to a method for operating a rotary cutting device with a rotatably mounted cutting roller and a counter-roller.
  • Rotary cutting devices are for example from the EP 0 976 510 A2 , of the EP 1 180 419 A1 , of the EP 1 186 387 A2 or the EP 1 238 765 A2 known.
  • the invention has for its object to provide a rotary cutting device of the type mentioned, which has an increased freedom from interference.
  • This object is achieved according to the invention in the rotary cutting device mentioned above in that a lifting device is provided for moving apart cutting roller and counter roller apart.
  • the cutting roller is pressed against the counter roll to perform cutting operations. If the cutting roller is no longer driven, for example by a defined shutdown of a drive or by an emergency stop, then the contact pressure is reduced. As a result, sliding friction between the cutting roller and the counter roller is relevant, which can lead to increased wear. In addition, it can come to cold welding.
  • the lifting device allows the cutting roller and the counter roller to move apart to prevent mechanical contact and thereby sliding friction. The solution according to the invention thus allows the wear to be reduced.
  • the distance between the cutting roller and the counter roller can be increased so that no contact between the Cutting roller and counter roll longer exists. In particular, these then no longer touch each other. As a result, there is no longer any mechanical contact between the cutting roller and the counter roller and sliding friction is prevented.
  • the cutting roller and the counter roller are translationally movable away from each other by the lifting device to prevent sliding friction.
  • the cutting roller and the counter roller are movable away from each other by the lifting device in the direction transverse to the axis of rotation of the cutting roller.
  • the distance between the cutting roller and the counter roller can be increased in order to "lift" a mechanical contact.
  • the counter roll is held translationally and the cutting roller is translationally movable by the lifting device relative to the counter roll.
  • a rotary cutting device has a favorable structural design. As a result, for example, can easily press the cutting roller against the backing roll to have a biasing force for cutting operations. By the lifting device, the distance between the cutting roller and the counter roller can be increased against this biasing force.
  • the cutting roller is held in translation and the counter-roller is translationally movable relative to the cutting roller by the lifting device.
  • both cutting roller and counter roller are translationally movable.
  • the lifting device can be activated in a controlled manner for moving apart cutting roller and counter roller. Initiation signals may then be provided to effect the movement apart.
  • an initiation signal may be coupled to a drive stop, an emergency stop of the rotary cutter, or a foreign object detection.
  • a lift device controller is coupled to a drive controller of the rotary cutter. If a drive is switched off (for example, when decommissioning the rotary cutter or in an emergency stop), then it can be achieved by a mutual movement of the cutting roller and the counter-roller relative to each other to prevent sliding friction. This allows a defined decommissioning or a defined emergency stop for the rotary cutting device even with large mass of the cutting roller (and thus large inertia) can be achieved. As a result, increased wear is avoided and the rotary cutting device can operate trouble-free. Even when reaching threshold values (for example, for the delay of the rotational movement of the cutting roller), the lifting device can be activated.
  • the lifting device control is coupled to a drive control of the cutting roller in order to obtain, for example, when switching off the drive or when exceeding / falling below a speed threshold or acceleration threshold or deceleration threshold of the cutting rollers (rotary) movement a defined disengagement.
  • a lifting device controller is coupled to one or more sensors in order to be able to initiate a movement apart via a sensor signal.
  • the lifting device controller is connected to one or more crop sensors.
  • a foreign body detection can initiate a movement apart.
  • the lifting device can be activated by exceeding / falling below a threshold value for the speed and / or acceleration and / or deceleration of the cutting roller and / or counter-roller.
  • the lifting device control is coupled to a drive control of the cutting roller or counter-roller, so that it can be monitored via the lifting device control, if a certain threshold value is exceeded, for example with respect to the delay of the rotational movement of the cutting roller or counter-roller to a lifting of cutting roller and Activate counter roll. In this way disturbances can be avoided.
  • the lifting device can be activated by an emergency stop.
  • a defined movement apart can also be achieved during emergency stop (the cutting roller or the rotary cutting device or a system comprising the rotary cutting device).
  • a drive for the cutting roller is provided, that is, the cutting roller is driven to perform cutting operations.
  • the lifting device is supported on a machine frame.
  • the lifting device can be realized in a structurally simple manner and accommodate space.
  • the lifting device has a force accumulator. It can then achieve a movement apart, even if, for example, the rotary cutter is no longer supplied with electrical energy.
  • the force accumulator is "biased" when the cutting roll and the backing roll are in their normal operating mode. For decommissioning (for example, triggered by an emergency stop) a "lock" is released in order to effect the movement apart.
  • the cutting roller is mounted movable in translation. This can be achieved in a simple way a divergence. It can thereby also easily exert a biasing force on the cutting roller in order to be able to press against the counter-roller.
  • the cutting roller is arranged above the counter-roller with respect to the direction of gravity. This results in a simple structural design of the rotary cutting device.
  • the lifting device is designed so that the cutting roller can be lifted from the counter-roller in a lifting direction against the direction of gravity.
  • a corresponding rotary cutting device can be realized in a structurally simple manner.
  • the lifting device has one or more resettable devices. As a result, can easily bring the cutting roller and the backing roll in a mode of operation for cutting operations and it can be achieved in a simple way a movement apart of cutting roller and mating roll.
  • the lifting device comprises one or more elastic elements such as springs, which can also serve as energy storage. These springs are biased, for example, when the cutting roller is pressed onto the counter roll to perform cutting movements. If a "lock" of the elastic members is released, then they may, for example, press the cutting roller away from the backing roll to provide liftoff.
  • springs such as springs, which can also serve as energy storage. These springs are biased, for example, when the cutting roller is pressed onto the counter roll to perform cutting movements. If a "lock" of the elastic members is released, then they may, for example, press the cutting roller away from the backing roll to provide liftoff.
  • the lifting device may also include one or more pneumatic or hydraulic means to provide for movement of the cutting roller away from the backing roll.
  • the at least one restorable device is biased on support of the cutting roller on the mating roll, that is, when a bias in the normal operating mode (cutting mode) is present.
  • This provides an energy storage that can be used to automatically lift (without the need for additional power). In particular, this can be achieved in an emergency stop a defined withdrawal.
  • the aforementioned object is further achieved according to the invention in that the cutting roller and / or the counter-roller is associated with a braking device.
  • Such a braking device or brake devices can cooperate with the lifting device described above, such cooperation is not mandatory.
  • a drive for the cutting roller can be made simpler, as by a defined deceleration, a design for lower forces is possible.
  • a brake controller is coupled to a drive controller of the rotary cutter.
  • a defined braking can be achieved, for example, during a drive stop.
  • a brake device control is coupled to a lifting device control of a lifting device for moving apart cutting roller and counter roller.
  • braking of the cutting roller and counter roller can also be achieved.
  • the braking device comprises at least one disc brake.
  • the cutting roller can be pressed against the counter-roller. As a result, a defined contact pressure can be provided for a cutting process.
  • the cutting roller and / or the counter-roller is associated with a damping device by which the translational relative movement of the cutting roller and counter-roller is controllable.
  • the damping device ensures a controlled movement (in particular with regard to speed and / or acceleration / deceleration) between the cutting roller and the counter roller in order to prevent a hard impact.
  • the Zuzi slow to avoid a hard stop. This results in a reduced susceptibility to interference.
  • the damping device is adjusted so that the impact speed and the impact force of the cutting roller on the counter-roller is so small that substantially no additional compression of the at least one support ring takes place. As a result, a striking of a cutting device of the cutting roller is prevented from the counter roll.
  • the damping device is designed so that a fast movement apart is possible in comparison to the movement of cutting roller and counter roller.
  • a lifting of the cutting roller of the counter-roll by a lifting device as described above is possible to prevent the sliding friction of the cutting roller and counter-roller.
  • the damping device is arranged between a machine frame and the cutting roller.
  • the damping device can be supported.
  • the damping device has at least one damping element in order to avoid a hard impact.
  • a first damping element is connected to a first end side of the cutting roller and a second damping element is connected to a second end side of the cutting roller.
  • the connection can be direct or indirect.
  • a damping element is connected to a bearing housing of the cutting roller, which is in communication with the corresponding end face. Over damping elements, which are arranged on opposite sides of the cutting roller, can be effectively avoided a hard striking.
  • the at least one damping element is an oil damper. This can be a simple and effective way to avoid a hard striking, with a rapid deceleration of the relative Zuzi between cutting roller and counter-roll can be taken care of.
  • the at least one damping element is arranged on a lever arm.
  • an effective adhesion can be achieved with an effective Wegverg Regentation.
  • the at least one support ring is arranged on the cutting roller and a cutting device of the cutting roller in the radial direction relative to a rotation axis of the cutting roller is set back relative to a support surface of the at least one support ring, wherein the radial distance between the cutting device and the support surface is set in dependence on the modulus of elasticity of the at least one support ring, that the cutting device almost touches the counter-roller when exerting a biasing force acting between the cutting roller and the counter-roller. It is particularly advantageous if a cutting device and a cooperating with this cutting support means (effective range of the backing roll) are made at least in the region of its surface made of hard metal.
  • the cutting device with respect to the axis of rotation of the cutting roller has a smaller radial extent than the support surfaces of the at least one support ring.
  • the cutting device is thus reset in the unloaded state of the rotary cutting device in the radial direction relative to the support surface.
  • the radial distance between the cutting device and the support surface is achieved as a function of the modulus of elasticity of the at least one support ring, that is, depending on the respective existing material elasticity of the support ring.
  • the at least one support ring undergoes a radial deformation so that the radial extent of the at least one support ring is reduced with respect to the axis of rotation of the cutting roller as a function of the respective modulus of elasticity.
  • the relative distance between the cutting device and the cutting support is selected in the unloaded state of the rotary cutting device such that the cutting device in loaded state (that is, upon exertion of biasing force) the mating roll almost touched, that is, the cutting device with minimal distance of the cutting support on the mating roll faces or slightly touched.
  • the invention is further based on the object of providing a method for decommissioning a rotary cutting device with a rotatably mounted cutting roller and a counter-roller, by means of which the susceptibility to malfunction of the rotary cutting device can be reduced.
  • This object is achieved in that the cutting roller and the counter roll are moved translationally away from each other when decommissioning.
  • the cutting roller is lifted from the counter roll to prevent sliding friction between the cutting roll and counter roll.
  • the cutting roller is lifted from the counter roll to prevent sliding friction between the cutting roll and counter roll.
  • the movement apart is initiated by exceeding / falling below a threshold value for the rotational movement of the cutting roller and / or counter-roller.
  • it is initiated by a drive stop of the cutting roller.
  • an interfering signal such as a foreign object detection signal.
  • the invention is further based on the object of providing a method for operating a rotary cutting device with a rotatably mounted cutting roller and a counter roller, by means of which a reduced susceptibility to malfunction of the rotary cutting device is achieved.
  • This object is achieved in that the supply of the cutting roller to the mating roll after lifting the cutting roller of the mating roll is controlled due to Thomasgut-influence by a damping device to prevent a hard abutment of the cutting roller on the mating roll.
  • FIGS. 1 and 2 An exemplary embodiment of a rotary cutting device according to the invention, which is shown in FIGS. 1 and 2 and designated therein by 10, comprises a machine frame 12.
  • This machine frame 12 has, for example, a base 14, via which the rotary cutting device 10 can be set up on a base.
  • portal-like supports 16, 18 are arranged, wherein a support 16, 18 comprises spaced, vertically extending pillars 20a, 20b.
  • the supports 16, 18 are connected by a crossbar 22.
  • a driven cutting roller 24 is rotatably mounted about an axis of rotation 26, wherein for storage a corresponding bearing means 28 is provided.
  • the cutting roller 24 comprises a shaft 30, which is coupled to a drive 32 and in particular a drive motor. About the drive 32, the shaft 30 can be put into a rotational movement.
  • the cutting roller 24 further comprises a storage area 34, via which the cutting roller 24 is supported on the bearing device 28 on the machine frame 12.
  • the cutting roller has a cylindrical portion 36 which is positioned between the posts 16, 18.
  • This cylindrical portion 36 carries a cutting device 38 with cutting edges, the arrangement and formation of the cutting device 38 on the cylindrical region 36 being determined by the specific application (that is to say by the cutting contour to be achieved).
  • the cutting roller 24 includes a first support ring 40 and a spaced second support ring 42, via which the cutting roller 24 is supported in a cutting operation on a counter-roller 44.
  • the support rings 40, 42 are rotationally symmetrical to the axis of rotation 26 arranged and formed. They have a cylindrical support surface 46, with which they act on the counter-roller 44 for support.
  • the cutting edges of the cutting device 38 are made of a hard metal, for example, at least in one surface area.
  • a hard metal for example, at least in one surface area.
  • it may be a tungsten based sintered material with a cobalt based binder or may be a titanium carbide containing material.
  • an active region 48 of the counter-roller 44 is made of a hard metal material at least in a surface region.
  • the cutting roller 24 can be pressed in a direction 50 against the counter-roller 44.
  • corresponding adjusting devices 52a, 52b are provided, which are arranged, for example, at least partially on the traverse 22.
  • the cutting roller 24 can be pneumatically pressed against the counter roller 44 to provide a contact pressure.
  • a biasing force can be exerted on the cutting roller 24.
  • the cutting device 38 in the radial direction with respect to the axis of rotation 26 of the cutting roller 24 as a cutting tool relative to the support surface 46 of the support rings 40, 42 is reset (if the support rings 40, 42 are not elastically deformed).
  • the radial distance between the cutting device 38 (that is, between the locations of the cutting device 38 with the greatest distance from the axis of rotation 26) and the support surface 46 of the support rings 40, 42 is adjusted depending on the modulus of elasticity of the support rings 40, 42 that the cutting device 38 at exercise a biasing force acting between the cutting roller 24 and the counter-roller 44 almost touches the effective area 48 of the counter-roller 44.
  • Such a rotary cutting device is in the EP 1 186 387 A2 or in the US 2002/0029675 A1 described, to which reference is expressly made.
  • the cutting roller 24 is mounted translationally on the machine frame 12. This is indicated in FIG. 1 by the directional double arrow 54. It is a translational movement of the cutting roller 24 in the vertical direction and in the opposite direction 50 possible.
  • the counter-roller 44 is rotatably mounted on the machine frame 12 so as to be translationally fixed.
  • a corresponding axis of rotation 56 is aligned parallel to the axis of rotation 26 of the cutting roller 24. In a cutting operation, the axes of rotation 26 and 56 are spaced by a distance D.
  • the active region 48 of the counter-roller 44 is cylindrical.
  • the cutting roller 24 is supported with its support rings 40, 42 (wherein the support rings 40 and 42 are formed substantially equal) on the counter-roller 44 from.
  • the counter-roller 44 may be driven or freely rotatable.
  • a bearing device 58 is provided for pivotal mounting of the counter roll 44 on the machine frame 12.
  • a web of material to be cut between the cutting roller 24 and the counter-roller 44 is performed, wherein the cutting device 38 "periodically" acts on the clippings. It may happen that the cut material has a non-uniform thickness that the cutting roller 24 is lifted from the counter-roller 44 in the opposite direction to the direction 50. When the thickened portion of the material has passed through the rotary cutter 10, then the cutting roller 24 again moves toward the counter roll 44 due to the biasing force.
  • damping device 60 which serves to avoid hard abutment in the movement of the cutting roller 24 on the counter-roller 44.
  • the damping device 60 comprises, for example, a first damping element 62 and a second damping element 64, wherein these damping elements 62, 64 are arranged on or in the vicinity of one end articulated and in particular pivotable on the machine frame 12.
  • a corresponding pivot axis 66 is aligned substantially parallel to the axis of rotation 26.
  • connection device 72 is designed in particular as a lever arm, that is to say a connection point 74 (FIG. 2) of the corresponding damping elements 62, 64, to which it is connected in an articulated manner to the connection device 72, lies at a distance from the axis of rotation 26 of the cutting roller 24 it is possible to achieve a greater possible displacement path and thus better force coupling.
  • the coupling of the damping elements 62, 64 to the end faces 68, 70 of the cutting roller 24 can be done for example via the bearing device 28.
  • the damping elements 62, 64 are designed for example as oil damper 76 (hydraulic damper) with a piston which can move linearly displaceable in a piston chamber.
  • the damping device 60 is supported on the machine frame 12 and the cutting roller 24. It is designed so that a rapid lifting of the cutting roller from the counter-roller 44 is possible, that is, such a lifting is not impeded by the damping device 60 substantially.
  • the movement of the cutting roller 24 on the counter-roller 44 (with the risk of hard abutment) is controlled attenuated by the damping device 60 controlled, that is slowed down and delayed so that a hard striking is avoided.
  • the damping elements 62, 64 are adjusted so that the impact speed of the cutting roller 24 on the Counter roll 44 is such that no significant additional compression of the support rings 40, 42 takes place.
  • oil damper can be a "fast" deceleration of the translational movement of the cutting roller 24 reach the counter-roller 44. For example, it is provided that a stop of the movement of the cutting roller 24 onto the counter-roller 44 takes place within at most one second.
  • the damping elements 62, 64 always have contact with the machine frame 12 and the cutting roller 24 via the connecting device 72.
  • the cutting roller 24 rotates and supports itself via the support rings 40, 42 on the counter-roller 44.
  • the cutting roller 24 is driven by the drive 32.
  • the drive 32 is associated with a drive control 78, for example.
  • a lifting device 80 is provided, via which the cutting roller 24 and the counter-roller 44 can be moved apart in order to prevent sliding friction of the cutting roller 24 against the counter-roller 44.
  • the lifting device acts to the effect that the distance between the axes of rotation 26 and 56 is increased so that the support rings 40, 42 no longer touch the counter-roller 44. As a result, the mechanical contact between the cutting roller 24 and the counter-roller 44 is avoided, so that no sliding friction can occur.
  • the cutting roller 24 is lifted away from the counter-roller 44 against the biasing force of the adjusting devices 52a, 52b.
  • the lifting device 80 is supported on the machine frame 12 and the cutting roller 24 in order to lift them.
  • pneumatic elements or hydraulic elements or spring elements may be provided.
  • electromagnets may be provided.
  • the lifting device comprises resettable devices such as springs, pneumatic or hydraulic devices.
  • these devices are biased; in a normal cutting movement, the lifting device 80 is not effective, with the corresponding devices (indicated in Figure 2 by springs 82) in a non-activated operating position.
  • the corresponding devices Upon activation, the corresponding devices then act and lift the cutting roller 24 away from the backing roll 44.
  • a power storage is provided for lifting.
  • the actuation of the lifting device 80 for moving away the cutting roller 24 is controllable by a lifting device controller 84.
  • a lifting device controller 84 By this, the withdrawal of the cutting roller 24 of the counter-roller 44 can be initiated.
  • a "lock” such as a mechanical or electromagnetic switch for a force accumulator is released by the lifting device controller 84 so that biased devices such as springs, pneumatic elements or hydraulic elements can act on the cutting roller 24 to lift it.
  • the lifting device controller 84 is in particular coupled to the drive control 78 such that an exceeding / falling below a threshold value for the rotational movement of the cutting roller 24 and in particular a Drive stop for the cutting roller 24 of the lifting device controller 84 is communicated. This can then initiate the withdrawal of the cutting roller 24. For example, the lifting device controller 84 is informed whether a threshold value for the speed and / or acceleration and / or deceleration of the cutting roller 24 has been exceeded or undershot. In principle, it is also possible for one or more threshold values to be stored in the lifting device controller 84 and to check them for exceeding / undershooting.
  • the lifting device controller 84 is coupled to an emergency stop device 86. It can then cause an automatic lifting of the cutting roller 24 when triggering an emergency stop for the rotary cutter 10.
  • the lifting device controller 84 is coupled to one or more sensors 88.
  • the hoist control 84 is coupled to material sensors. For example, if a foreign body such as a metallic foreign body is detected in the material to be cut, then the cutting roller 24 can be automatically lifted by the counter roller 44 to prevent contact of the metallic material with the cutter 38.
  • the cutting roller 24 is associated with a braking device 90. This includes, for example, one or more disc brakes. If the cutting roller 24 is no longer driven by switching off the drive 32, then leaves to achieve a defined deceleration by the braking device 90. In particular, this makes it possible to achieve a faster stop of the rotation of the cutting roller 24. This can be a real "emergency stop" of the cutting roller 24 done.
  • the braking device 90 is coupled, for example, to the lifting device controller 84, or it may be coupled directly to the drive controller 78. It can also be coupled directly to the emergency stop device 86.
  • the counter roll 44 may be associated with a braking device 92, which includes, for example, one or more disc brakes.
  • a braking device 92 By the braking device 92, the rotation of the counter-roller 44 can be decelerated. In this case, a coupling to the lifting device controller 84 or directly to the drive control 78 or the emergency stop device 86 can again be provided. With the braking device 92, a defined braking of the counter-roller 44 can be achieved in order to prevent, for example, a rolling up of a material web.
  • the cutting roll 24 (and also the counter roll 44) may be biased inwardly (and preferably substantially parallel to the axis of rotation 26) to obtain a favorable mode structure with respect to vibrations of the cutting roll 24. This is in the EP 1 238 765 A2 and in the US 2002/0144580 A1 described, to which reference is expressly made.
  • the rotary cutter according to the invention functions as follows:
  • a web of material between the cutting roller 24 and the counter roller 44 is performed.
  • the cutting roller 24 is pressed with a certain biasing force (set by the adjusting means 52a, 52b) on the counter-roller 44.
  • the cutting whale 24 rotates driven and brings contour cuts in the web.
  • the damping device 60 prevents a hard striking, that is, the cutting roller 24 is due to the damping device 60 at a reduced speed on the counter-roller 44th too moved. As a result, in particular a deflection of the support rings 40, 42 is prevented, which could lead to that the cutting device 38 "hard” abuts the active region 48.
  • the cutting roller 24 When decommissioning the rotary cutting device 10 (either by deliberate decommissioning or an emergency stop) the cutting roller 24 is lifted from the counter roll 44 via the lifting device 80 to cancel the mechanical contact between the cutting roller 24 and the counter roll 44. As a result, the sliding friction between the cutting roller 24 and the counter-roller 44 (on the support rings 40, 42) is avoided.
  • About the braking devices 90, 92 can be a defined deceleration of the cutting roller 24 and the counter roll 44 reach.
  • Trouble-free operation can also be achieved by carrying out a foreign body detection on a material web via one or more sensors 88 and removing the cutting device 38 from the material web if such a foreign body is detected before it reaches the cutting device 38.
  • the drive 32 can be dimensioned smaller, since a defined decommissioning is ensured;
  • the drive 32 must in principle withstand the forces acting on the emergency stop, which are greater with a larger mass.
  • the braking device 90 By the braking device 90, these forces can be reduced. Furthermore, these can be reduced by the withdrawal.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
EP20060008621 2005-05-11 2006-04-26 Dispositif de coupe rotative ainsi que procédé de mise hors service d'un dispositif de coupe rotative Active EP1721712B1 (fr)

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Cited By (8)

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Publication number Priority date Publication date Assignee Title
EP1974878A1 (fr) 2007-03-30 2008-10-01 Wilhelm Aichele Dispositif de coupe rotatif
EP2508311A1 (fr) 2011-04-08 2012-10-10 Sandvik Intellectual Property AB Appareil de coupe rotatif avec des moyens d'atténuation de vibrations
EP2508312A1 (fr) 2011-04-08 2012-10-10 Sandvik Intellectual Property Ab Appareil de coupe rotatif avec des moyens d'atténuation de vibrations
CN103231417A (zh) * 2013-05-08 2013-08-07 王振明 一次性卫生用品的滚压成型模具
CN103991097A (zh) * 2014-05-27 2014-08-20 常州市武进广宇花辊机械有限公司 一种可微调的分切机换刀机构
CN106120289A (zh) * 2016-08-31 2016-11-16 太仓市娄澄无纺制品有限公司 无纺布分切模
WO2019211325A1 (fr) * 2018-05-02 2019-11-07 Roll-O-Matic A/S Appareil de coupe permettant de fabriquer des sacs à l'aide d'une matrice de coupe rotative
WO2019224301A1 (fr) * 2018-05-23 2019-11-28 Aichele Werkzeuge Gmbh Dispositif de coupe rotatif et procede de fonctionnement d'un dispositif de coupe rotatif

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US11690746B2 (en) 2004-04-02 2023-07-04 Applied Biokinetics Llc Pre-cut adhesive supports for anatomical support, pain reduction, or therapeutic treatment
US10212987B2 (en) 2004-04-02 2019-02-26 Applied Biokinetics Llc Method of manufacturing an anatomical support system
US10299953B2 (en) 2004-04-02 2019-05-28 Applied Biokenetics Llc Material including pre-cut anatomical supports
EP2038094A4 (fr) * 2006-06-30 2011-01-19 Sca Hygiene Prod Ab Dispositif permettant de fabriquer des articles absorbants
US20110271854A1 (en) * 2008-10-20 2011-11-10 Lumos, Inc. Manufacture of kinesiology tape
US10617571B2 (en) 2008-11-26 2020-04-14 Kt Health, Llc Pre-cut strips of kinesiology tape
US9308115B2 (en) * 2008-11-26 2016-04-12 Kt Health, Llc Body-adhesive kinesiology tape
JP5470089B2 (ja) * 2010-02-23 2014-04-16 ユニ・チャーム株式会社 カッター装置
DE102010026607A1 (de) * 2010-07-09 2012-01-12 Gallus Druckmaschinen Gmbh Vorrichtung zum rotativen Stanzen von flachem mehrschichtigem Gut
JP5542554B2 (ja) * 2010-07-12 2014-07-09 ユニ・チャーム株式会社 吸収性物品のワークのカッター装置
US9993932B2 (en) * 2011-09-09 2018-06-12 Vits International, Inc. Rotary cutter
JP6198313B2 (ja) * 2013-10-01 2017-09-20 ホリゾン・インターナショナル株式会社 回転式打抜機
WO2016028941A1 (fr) 2014-08-19 2016-02-25 Kt Health, Llc Bande de kinésiologie
US10000302B2 (en) * 2014-11-28 2018-06-19 Paul W. Kawoczka Method of forming a stack of cosmetic pads
ITUB20153933A1 (it) * 2015-09-28 2017-03-28 Cartes S R L Apparato per processare un materiale flessibile.
TR201807612T4 (tr) * 2015-10-06 2018-06-21 Sandvik Intellectual Property Gömme bir izleme birimi bulunan döner kesme aparatı.
CN106192351B (zh) * 2016-08-31 2018-07-17 太仓市娄澄无纺制品有限公司 无纺布分切装置

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EP0841133A1 (fr) * 1996-11-06 1998-05-13 Maysun Co., Ltd. Méthode et dispositif pour le contrÔle de la pression dans une machine de coupe rotative
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EP1238765A2 (fr) 2001-02-21 2002-09-11 Aichele Werkzeuge GmbH Outil de coupe précontraint ainsi que dispositif de coupe ayant un tel outil

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DE2621505A1 (de) * 1975-04-07 1977-12-01 Cundell Machines Ltd Walzenpresse
DE2743561A1 (de) * 1977-09-28 1979-03-29 Jagenberg Werke Ag Rotationsquerschneider
GB2089710A (en) * 1980-11-21 1982-06-30 Molins Ltd Cutting head for a cigarette filter attachment machine
US4618342A (en) * 1984-11-21 1986-10-21 Bobst Sa Machine for processing web material
EP0611187A1 (fr) * 1993-02-11 1994-08-17 Societe D'etude De Machines Pour Les Arts Graphiques Appareil de découpage rotatif
EP0685305A1 (fr) * 1994-05-24 1995-12-06 Bobst S.A. Dispositif de sécurité dans une presse à platine de traitement d'éléments en plaque
US20020000143A1 (en) * 1995-04-10 2002-01-03 Frank Okonski Material jam clearing in an impression system
EP0841133A1 (fr) * 1996-11-06 1998-05-13 Maysun Co., Ltd. Méthode et dispositif pour le contrÔle de la pression dans une machine de coupe rotative
EP0976510A2 (fr) 1998-07-29 2000-02-02 Aichele Werkzeuge GmbH & Co. KG Dispositif de coupe rotative
EP1180419A1 (fr) 2000-08-16 2002-02-20 Aichele Werkzeuge GmbH Appareil de coupe
EP1186387A2 (fr) 2000-09-09 2002-03-13 Aichele Werkzeuge GmbH Presse de découpage rotative
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EP1238765A2 (fr) 2001-02-21 2002-09-11 Aichele Werkzeuge GmbH Outil de coupe précontraint ainsi que dispositif de coupe ayant un tel outil
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Publication number Priority date Publication date Assignee Title
DE102007016451A1 (de) 2007-03-30 2008-10-02 Wilhelm Aichele Rotationsschneidevorrichtung
EP1974878A1 (fr) 2007-03-30 2008-10-01 Wilhelm Aichele Dispositif de coupe rotatif
US9003939B2 (en) 2011-04-08 2015-04-14 Sandvik Intellectual Property Ab Rotary cutting apparatus with vibration attenuation means
EP2508311A1 (fr) 2011-04-08 2012-10-10 Sandvik Intellectual Property AB Appareil de coupe rotatif avec des moyens d'atténuation de vibrations
EP2508312A1 (fr) 2011-04-08 2012-10-10 Sandvik Intellectual Property Ab Appareil de coupe rotatif avec des moyens d'atténuation de vibrations
US8739667B2 (en) 2011-04-08 2014-06-03 Sandvik Intellectual Property Ab Rotary cutting apparatus with vibration attenuation means
CN103231417A (zh) * 2013-05-08 2013-08-07 王振明 一次性卫生用品的滚压成型模具
CN103231417B (zh) * 2013-05-08 2014-12-10 王振明 一次性卫生用品的滚压成型模具
CN103991097A (zh) * 2014-05-27 2014-08-20 常州市武进广宇花辊机械有限公司 一种可微调的分切机换刀机构
CN103991097B (zh) * 2014-05-27 2015-11-18 常州市武进广宇花辊机械有限公司 一种可微调的分切机换刀机构
CN106120289A (zh) * 2016-08-31 2016-11-16 太仓市娄澄无纺制品有限公司 无纺布分切模
WO2019211325A1 (fr) * 2018-05-02 2019-11-07 Roll-O-Matic A/S Appareil de coupe permettant de fabriquer des sacs à l'aide d'une matrice de coupe rotative
US11267156B2 (en) 2018-05-02 2022-03-08 Roll-O-Matic A/S Cutting apparatus for manufacturing bags utilizing a rotary cutting die
WO2019224301A1 (fr) * 2018-05-23 2019-11-28 Aichele Werkzeuge Gmbh Dispositif de coupe rotatif et procede de fonctionnement d'un dispositif de coupe rotatif
CN112041135A (zh) * 2018-05-23 2020-12-04 艾希勒工具模具有限公司 旋转切割设备和运行旋转切割设备的方法
CN112041135B (zh) * 2018-05-23 2022-08-30 艾希勒工具模具有限公司 旋转切割设备和运行旋转切割设备的方法

Also Published As

Publication number Publication date
DE502006002407D1 (de) 2009-02-05
US7594461B2 (en) 2009-09-29
EP1721712B1 (fr) 2008-12-24
DE102005022604A1 (de) 2006-11-16
ATE418429T1 (de) 2009-01-15
US20060257193A1 (en) 2006-11-16

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