EP2859801A1 - Unité de découpe de tabac et lame de coupe pour une unité de découpe de tabac - Google Patents

Unité de découpe de tabac et lame de coupe pour une unité de découpe de tabac Download PDF

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Publication number
EP2859801A1
EP2859801A1 EP20140186528 EP14186528A EP2859801A1 EP 2859801 A1 EP2859801 A1 EP 2859801A1 EP 20140186528 EP20140186528 EP 20140186528 EP 14186528 A EP14186528 A EP 14186528A EP 2859801 A1 EP2859801 A1 EP 2859801A1
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EP
European Patent Office
Prior art keywords
tobacco
cutting unit
separating
knife
drum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP20140186528
Other languages
German (de)
English (en)
Inventor
Jürgen Dick
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.)
Koerber Technologies GmbH
Original Assignee
Hauni Maschinenbau 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 Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Publication of EP2859801A1 publication Critical patent/EP2859801A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B7/00—Cutting tobacco
    • A24B7/04—Cutting tobacco by machines with revolving knives
    • A24B7/08—Cutting tobacco by machines with revolving knives with several knives which act one after the other
    • A24B7/12—Cutting tobacco by machines with revolving knives with several knives which act one after the other with cutter axes transverse to the feeding direction
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B7/00—Cutting tobacco
    • A24B7/04—Cutting tobacco by machines with revolving knives

Definitions

  • the invention relates to a tobacco cutting unit having the features of the preamble of claim 1 and a cutting knife for a tobacco cutting unit having the features of the preamble of claim 15.
  • Tobacco cutting units are generally used in the tobacco processing industry for processing the tobacco and, in particular, cutting the tobacco fibers prior to placing the tobacco fibers on a wrapping material web.
  • the tobacco fibers are pressed during the preparation with a pressure force of 10 to 60 kN to form a solid tobacco cake, which is supplied to a tobacco cutter provided in the tobacco cutter in a continuous conveying process.
  • the tobacco cutter comprises one or more cutting knives having a width of, for example, 400 mm, which are guided to separate the tobacco fibers in thin strips with a thickness of 0.1 to 1.8 mm at the end face of the supplied tobacco cake.
  • the tobacco cutter comprises a drum drivable by means of a first drive device at a rotational speed of 150 to 660 rpm, on which the separating blades are arranged.
  • the cutting blades are subject to abrasive cutting due to the cutting process and must therefore be reground regularly.
  • a grinding device is provided on the tobacco cutter, on which the separating blades are guided past during circulation. Since the cutting blades are thereby each time slightly shortened, the cutting blades must be continuously or stepwise by means of a be pushed second drive means.
  • the feed of the separating knife by the second drive means is about 5 to 20 mm / 100,000 drum revolutions.
  • the cutting blades Since the cutting blades are at least slightly shortened during each grinding process, they must be replaced with new cutting blades after approx. 30 operating hours with the operating parameters described above. For this purpose, first different cover parts must be dismantled from the tobacco cutter, until finally the holding the separating knife holding device is accessible and the separating knife can be solved. Subsequently, the new cutting knife must be used, attached to the holding device and finally the cover parts are mounted again. After attachment, the separating blades are moved by means of the second drive means in a desired position, the compliance with a sensor device or a stop can be checked. After the cutting blades are arranged in the desired position, they must finally be ground in a grinding process, which takes about 15 minutes, before the normal operation of the tobacco cutter can be resumed. Overall, the change of all cutting blades takes about 60 minutes, during which the tobacco cutter is practically out of service.
  • the object of the invention is to provide a tobacco cutting unit, in which the replacement of the cutting blade can be completed in a shorter period of time. It is another object of the invention to provide a cutting knife, which allows a faster change.
  • a separating knife exchange module is provided on the tobacco cutting unit for exchanging the separating knife.
  • the Trennmess crispmodul is an assembly by means of which the replacement of the cutting blade can be made directly to the tobacco cutting unit without having to disassemble parts of the tobacco cutting unit and then re-assembled.
  • the separating knife changing module is arranged in a fixed positional relationship to the drum, so that the separating knife can be exchanged on a specially designed for the replacement of the separating knife interface.
  • the separation knife exchange module can be pre-assembled as a standardized assembly and used for various tobacco cutting units.
  • the proposed separation knife exchange module includes, inter alia, a suitable mechanism for gripping and moving the cutting blade, whereby the required manual handling effort for changing the cutting blade can be reduced.
  • the separating knife exchange module can preferably be set up for an at least semi-automatic replacement of the separating knife.
  • the cutting blades can be replaced without additional necessary manipulations of the operator.
  • the separating knife exchange module may comprise a suitable controllable robot mechanism for removing and inserting the separating knife, including the sensors and actuators required for controlling the robot mechanism.
  • at least one separating knife ejected from a recording or removed and another cutting knife are used at the same time in another already free recording, so that the required change time can be further shortened. It is particularly advantageous if the cutting blades are removed at different points of the circumference and used again, so that provided for changing the cutting blade change mechanisms do not obstruct each other or so that their arrangement sufficient space is available.
  • the ejection process of a separating knife with the process of inserting a new cutting knife in the same recording be overlapping formed, ie the new cutting knife is already inserted during the process of removing the disconnecting blade to be replaced in the recording, whereby the change time of the cutting blade can be further shortened , Furthermore, one and the same mechanism or essential parts of the mechanism can be used both for extending the old cutting knife as well as for retracting or inserting the new cutting knife.
  • the tobacco cutting unit comprises at least two drums
  • at least two drums are associated with a common separating knife exchange module. Since the time to change the cutting blades is considerably shorter compared to the previous hours of operation of the cutting blades on a drum, one and the same blade changing module can be used to change the cutting blades of two or more drums without significantly increasing the average downtime of the drums , This is particularly due to the fact that the likelihood of a temporal overlap of the required change operations of the separating blade of two drums is to be regarded as rather low. Furthermore, two drums can simultaneously change the cutting knife stopped and the cutting blades of the two drums are replaced at the same time or one after the other.
  • the change of the separating knife of two drums with one and the same Trennmess functionalmodul can be realized particularly simple and with a simple design effort when at least two identical drums are arranged coaxially to each other and spaced, and the Trennmess grillmodul is disposed between the drums.
  • the separating knife exchange module can be fixedly arranged and set up for the two-sided change of the separating knife.
  • the separating knife exchange module can also be designed for a one-sided change of the separating knife and adjustable by means of a suitable mechanism, preferably rotatable by 180 degrees, be formed.
  • the separating knives can be removed and replaced with one and the same mechanism of the Trennmesser functionalmoduls, the Trennmess grillmodul in the respective transfer and takeover position ideally in the height and the distance, i. in the relative position, is aligned identically to the drums.
  • the separating knife exchange module may further comprise at least one container for receiving the exchanged separating knife and / or at least one magazine with new cutting blades, so that the change process can be started immediately after detecting a required change process and the tobacco cutting unit can be immediately put into operation again after the change process, without that the tobacco cutting unit before the change process supplied new cutting knife and the old cutting knife after the change process must be removed from the tobacco cutting unit.
  • the magazine and the container can be arranged space-saving on different sides of the drum, so that the cutting blades each ejected or removed from different sides of the drum and fed again.
  • a second level sensor sensor device is provided on the container and / or on the magazine, which in the event that the actual level of the container or the magazine with separating blades exceeds or falls below a predetermined limit level, a warning signal generated for the operator.
  • the warning signal the operator can be alerted in good time to a required refilling of the magazine or emptying of the container, so that the refilling and emptying of the magazine or the container can preferably be done between the required change processes, and the necessary change operations of the cutting blade is not unnecessary be delayed.
  • the Trennmess crispmodul may have a position changing device for the container and the magazine.
  • the proposed solution the container after the laying of the old separating knife, the position with the magazine exchange, so that the new cutting knife with the same mechanics removed from the magazine and can be used in the respective recording of the drum, with the already old cutting knife from taken from the recordings of the drum and stored in the container.
  • a number of uniform, provided on the drum receptacles for receiving a respective separating knife are provided on the drum, each having a second drive means for movement-coupled coupling member for fixing a respective separating knife, and the connection parts are accessible in a change position by the receptacles open towards the outside of the drum, and the connection parts can be actuated either by at least semi-automated activation of the second drive device or by means of an actuation mechanism of the second drive device operable from the outside of the drum.
  • the proposed solution, the ejection or removal process of the cutting blade and the collection process of the new cutting knife are made particularly simple, since the change position can be designed specifically for a favorable transfer or acquisition of the cutting blade to or from the Trennmesser LCDmodul. It is of particular importance that the change position is independent of the desired position of the cutting blade in the operation of the tobacco cutter, and just designed for the change process optimized.
  • the procedure of the connecting parts with the separating blades held thereon from the change position to the desired position and vice versa is then either fully automatic, semi-automatic or by means of an externally actuated actuating mechanism in a predetermined by the mechanics and the shape of the recording course, so that the cutting knife with a maximum accuracy can be moved to the desired or operating position.
  • Actuation of the connecting parts is understood to mean the manufacture and release of the connection between the connecting parts and the separating knives, for which purpose the connecting parts have a corresponding mechanism with an actuatable actuating drive.
  • the fully automatic or semi-automatic control ie the triggering of the movement process by means of an actuation of a corresponding button or button, is advantageous insofar as the operator only has to trigger the movement process, but then the target position by controlling the second drive means via the signals of a suitable sensor device with a tolerance range of a few hundredths of a millimeter is found automatically.
  • connection parts are each formed by a clamping device with two opposing clamping jaws, between each of which a separating knife is fastened.
  • the separating knife can be clamped between the clamping jaws and does not have to have any specially shaped or machined connecting sections.
  • the jaws in this case represent the mechanism for the preparation of the connection, which are movable towards each other via an actuator.
  • connection of the separating knife with the connection parts is designed such that it is solvable only in the change position of the connection parts. As a result, it can be prevented that the separating blades in the operating or setpoint position are unintentionally released by incorrect operation.
  • the exclusive solvability of the connecting parts in the change position can e.g. be realized by the control of the movement of the connecting parts is coupled to the control of the second drive means, and the connection of the separating knife can be solved with the connection parts only if the connection parts before their release by means of the second drive means from the operating position to the change position were proceeded.
  • the connection of the separating knife with the connecting parts can also be secured by a mechanical fuse, which is released automatically only by the process of connecting parts.
  • a first sensor device directly sensing the position of the separating knife be provided is, and the second drive means in response to the generated by the first sensor means, the position of the separating knife representative signal is controllable.
  • the separating knife can be held in any position on the connecting parts, without this having an adverse effect on finding the desired or operating position of the cutting blade. Since the cutting blades according to the inventive solution are no longer held directly on the drum, but instead on a molding, the immediate positional relationship between the drum and the separating blades is lost, thereby creating a source of error.
  • This disadvantage is compensated by the proposed solution by the position of the separating blade is immediately sensed, and the second drive means is controlled under direct control of the position of the separating knife, so that the desired or operating position of the separating knife can be adjusted with a corresponding accuracy.
  • the drum is cylindrical, and the receptacles are accessible by at least one provided on one of the lateral end faces of the drum slot.
  • the cutting blades can be carried out laterally from the receptacles of the drum on one side of the drum and then fed back from the side, whereby the structure of the tobacco cutter and the change of the cutting blade is simplified.
  • the receptacles are accessible on both sides by two slots provided on the different end faces, the separating blades to be exchanged can be made on one side of the drum while the new separating blades are inserted laterally from the other side.
  • the cutting blades can be executed simultaneously on one side and the new cutting blades of the be reintroduced to the other side. If two tobacco cutters are arranged side by side, the cutting blades are usefully carried out in the space between the tobacco cutters in a common container and introduced the new cutting knife from the outer end faces of the drums.
  • the separating knife exchange module has a third drive device, which removes the separating knife from the change position and / or begins in the change position.
  • the second drive means of the tobacco cutting unit is designed so far that it moves the cutting blade in the change position and withdraws from this again, while the further removal and extension movement or the previous feed movement of the cutting knife then by means of the third Drive device can be realized.
  • the movement of the separating blades driven by the third drive device can be oriented orthogonally to the movement of the separating blades driven by the second drive device.
  • the second drive means serves to move the separating blades radially outward to compensate for the wear of the separating blades.
  • the second drive means is used to move the separating blade from the retracted operating position in the extended change position radially outward.
  • the direction of movement of the second drive device is thus preferably aligned radially.
  • the direction of movement of the third drive means is aligned orthogonal to the direction of movement of the second drive means, ie directed in the axial direction of the drum.
  • the advantage of this solution is the fact that the drum during the extension of the cutting knife can remain in their mounted position, since the cutting blades are discharged laterally, axially after the process in the change position.
  • the drum can thereby remain in the same position during the change of the separating knife to the tobacco cake and then restarted in the same position.
  • a separation knife for a tobacco cutter of a tobacco cutting unit is proposed to solve the problem, which is formed by at least one molded part, which is formed in the cross-sectional shape such that the cutting knife in a mounted on the tobacco cutter position on the molding on a receptacle of the tobacco cutter supported.
  • the separating knife therefore has two essential components, namely the cutting edge and the molded part.
  • the molded part serves to fix the separating knife in the receptacle and is for this purpose e.g. in the cross-sectional area consciously shaped so that the separating knife is supported on the molded part on an inner surface of the receptacle. This can e.g. two opposite surfaces or even the full inner surface of the recording.
  • the separating knife is thereby fixed in position in the receptacle relative to the drum, so that it can not move laterally during the cutting movement through the tobacco cake.
  • the inner surface of the receptacle thus serves to absorb the reaction forces acting during the cutting movement.
  • the molded part can also have a special connection for a tensile connection of the separating knife in the receptacle or on the connection part in the receptacle and thereby additionally exert a holding function for the separating knife.
  • the molding and the inner surface of the receptacles are formed in a non-round cross section, so that the cutting blades are held against rotation in the recordings.
  • the molded part can be formed by an encapsulation of the separating knife, which allows an arbitrary shape in cross-section of the molding with a very cost-effective production method.
  • the molding can thereby already be connected during the manufacturing process with the cutting knife.
  • the molded part can also be formed by two mutually connected molding halves, between which the cutting knife is clamped flat.
  • the mold halves may e.g. be connected to each other via a clip connection or via an adhesive connection.
  • At least one of the mold halves may be e.g. be designed as a shell with an adapted to the shape of the separating knife recess into which the cutting knife is inserted.
  • the respective other half of the molded part is then placed on the half of the molded part with the inserted separating knife and connected to it, so that the separating knife is then fixed between the mold halves.
  • each of the Trennmesser grillmodule 13 comprises as a basic components a magazine 16 with new cutting blades 1, a container 17 for receiving replaced cutting blades 1 and a semi-automatic or fully automatic actuated mechanism for removing the cutting blade 1 of the drum 2 and for inserting the new cutting knife 1.
  • two Trennmess grillmodule 13 are provided, which are each associated with a drum 2 of a tobacco cutter and have a common container 17.
  • three separating knife changing modules 13 can be seen by way of example, each of which is designed as a structural unit and also one Magazine 16 and a container 17 have.
  • the separating knife changing modules 13 can each be arranged on one edge side of a drum 2. If only one Trennmesser touchscreenmodul 13 is provided, this can be arranged between the drums 2 and used to change the cutting blade 1 of both drums 2.
  • the illustrated Trennmesser flickmodule 13 show only possible positions of the Trennmess grillmodule 13, but it must not be provided at all positions shown Trennmess constitumodule 13.
  • the Trennmess grillmodule 13 are schematically seen from the side with respect to each axis of rotation 14 of a drum 2.
  • the Trennmess grillmodule 13 can be moved by means of an actuator 31 in various positions 13 'and 13'', in each of which the container 17 or the magazine 16 in a favorable for the removal of the old cutting knife 1 or the supply of new cutting knife 1 position to the Drum 2 are arranged.
  • the separating blade changing module 13 can also be set up to rotate, so that the magazine 16 can be rotated into the position of the container 17 after removal of the old separating knife 1.
  • the Trennmesser grillmodul 13 may also be fixed.
  • the old separating knife 1 at a first point of the circumference of the in the Fig. 1 taken to discernible recordings 21 and the new cutting knife 1 is inserted at a second location of the circumference of the drum 2 in the free receptacles 21.
  • the mechanism in the Trennmesser circuit 13 may also be designed so that it removes the separating knife 1 from the stationary magazines 16 and stores the old separating knife 1 in the container 17, wherein the different movements are then realized by a suitable semi-automatic or fully automatically actuated joint mechanism can.
  • a second sensor device 18 which senses the level of the magazine 16 and the container 17 with separating knives 1.
  • Fig. 1 is a tobacco cutter of a tobacco cutting unit according to the invention with a first not to be recognized by a drive drive rotationally in the direction of arrow 14 about a rotational axis 14 driven drum 2 to recognize.
  • a plurality of uniformly distributed over the circumference, provided on the lateral surface of the drum 2 receptacles 21 are provided, which are accessible through slots in the lateral end faces of the drum 2, and in each of which a separating knife 1 is arranged.
  • the tobacco cutter is supplied via a two conveyors 26 and 27 compressed tobacco cake 25, the mouthpiece 4 is open to the tobacco cutter.
  • a fixed interface 3 is provided, in which the separating knife 1 can be replaced.
  • the separating knife 1 are covered by a molded part, which is formed in the illustrated embodiment by two interconnected mold halves 22 and 23.
  • the molded part can also be formed by a plastic extrusion of the cutting blade 1.
  • the separating knife 1 are clamped between the mold halves 22 and 23 and protrude at the front end side of the mold halves 22 and 23 with a cutting edge and at the rear end side with a holding portion 24 on the mold halves 22 and 23 also.
  • the mold halves 22 and 23 serve to adapt the separating knife 1 in shape to the cross-sectional shape of the receptacles 21, so that the cutting blades 1 on the mold halves 22 and 23 can be supported in the receptacles 21. Further, the mold halves serve 22 and 23 to hold the cutting blades 1 with the holding portions 24 during insertion of the removable modules 13 in the receptacles 21 in a pre-directed position, so that the holding portions 24 when inserting the cutting blade 1 automatically between two jaws 28 and 29 of a Connecting parts 8 are inserted. After inserting the holding portions 24 of the cutting blade 1, the jaws 28 and 29 are moved together and clamp the holding portions 24 of the cutting blade 1 between them.
  • the jaws 28 and 29 are provided for this purpose with an actuator, not shown, which can preferably only be operated when the cutting blades 1 are in a change position still described below.
  • the connecting parts 8 and thus also the separating knife 1 held thereon are each provided with one, also in the Fig. 4 to be recognized, second drive means 15 connected.
  • the second drive device 15 is a linear drive which, when actuated in the direction of the arrow 9, extends the separating blade 1 parallel to the longitudinal extension of the separating blade 1 from the receptacles 21.
  • the position of the separating knife 1 is sensed by a directly directed to the separating knife 1 first sensor device 10, as in the Fig. 4 can be seen.
  • Fig. 3 is a tobacco cutting unit with two tobacco cutters to recognize schematically.
  • the drums 2 of the tobacco cutters are arranged side by side and coaxially with each other, and have a distance from each other which is greater than the width of the separating blade 1 in the axial direction of the drum 2.
  • a container 17 with a level of the separating knife 1 in the container 17 sensed second sensor device 18 can be seen, which is positioned such that the separating knife 1 after ejection from the receptacles 21 automatically fall into the container 17.
  • two magazines 16 are provided with new cutting blades 1 each in the area of the interfaces 3.
  • the front cutting edges of the cutting blades 1 describe a cutting circle 5.
  • the cutting blades 1 are continuously shortened due to the abrasive wear. This shortening of the length of the separating knife 1 is sensed by means of a third sensor device 7. If the position of the cutting edge of a separating knife 1 outside a prescribed range, the cutting knife 1 is advanced by means of the second drive means 15 in the direction of arrow 9 until the cutting edge of the separating knife 1 is again arranged in the predetermined position. This feed operation is limited by the length of the cutting blade 1, so that the cutting blade 1 must be replaced with a new cutting blade 1 when a predetermined length of the cutting blade 1 is exceeded.
  • This replacement process is carried out by the drum 2 is rotated by the first drive means in the interface 3 with the respective cutting knife 1 to be replaced. Subsequently, the separating knife 1 to be exchanged, insofar as it is not yet in the change position, is moved by means of the second drive device 15 from the operating position in the direction of arrow 9 into the change position.
  • the direction of movement from the operating position to the change position thus corresponds to the direction of the tracking movement of the separating knife 1 during operation of the tobacco cutter.
  • the separating knife 1 can also move laterally in the axial direction of the drum 2 from the operating position to the change position be, if this is more favorable for gripping the cutting blade 1 with the Trennmesser facialmodul 13.
  • the separating knife 1 After reaching the change position, the separating knife 1 is taken with a third drive means 20 associated holding part 19 of the Trennmess functionalmoduls 13 and pulled out in the direction of arrow 30 laterally from the receptacle 21 or pushed.
  • the driven by the second drive means 15 and the third drive means 20 movements of the separating knife 1 are aligned orthogonal to each other.
  • the movement of the separating knife 1 during the tracking movement or the movement into the change position is aligned radially and transversely to the rotational axis 14 and corresponds to the direction of the longitudinal axis of the respective separating knife 1.
  • the direction of the discharge movement of the removed separating knife 1 corresponds to the direction of the laterally arranged magazines 16 supplied new cutting knife 1, so that in the ideal case, the movement of the old and new cutting knife 1 can be effected by one and the same third drive means 20. It is advantageous for the structure of the entire system and for shortening the change times when the magazines 16 and the container 17 are arranged on different sides of the drums 2, and the new cutting knife 1 and the old cutting knife 1 fed from different sides and be dissipated.
  • the cutting blades 1 can be both fed and discharged at an interface 3 by simultaneously feeding a new cutting blade 1 from the other side to a side of the drum 2 at the same time as performing a separating knife 1.
  • the separating blades 1 may be ejected at one interface 3 and at another Interface 3 new cutting blades 1 at the same time in free shots 21 are used.
  • the advantage of the proposed solution is the fact that the separating knife 1 can be changed much easier.
  • the separating knife 1 important, the change facilitating features, which can be seen for example in an adapted by the mold halves 22 and 23 to the receptacles 21 outer shape.
  • the separating blades 1 can thereby preferably be arranged in a predetermined orientation preferably non-rotatably about their longitudinal axes in the receptacles 21, so that the separating knife 1 at a corresponding orientation with respect to the mold halves 22 and 23 then one parallel to the axis of rotation 14 of the drum 2 Have cutting edge.
  • the separating blades 1 can be inserted into the seats 21 exclusively in a predetermined orientation, in which the separating blades 1 with the holding portions 24 are inserted into the connecting parts 8.
  • the mold halves serve 22 and 23 for supporting the cutting blade 1 in the receptacles 21, so that the cutting blade 1 is fixed in position.
  • the molded part may be designed specifically for the holder in a receptacle 21, in that the molded part is designed, for example, as a plug-in part with which the separating knife 1 is attached to the connecting part 8 and / or in the receptacle 21 can be fixed.
  • the molded part may be formed, for example, slightly elastic, so that the maximum stress of the cutting blade 1 can be reduced.
  • the change process of the separating blade 1 can be semi-automatic or preferably fully automatic; In any case, no disassembly and subsequent assembly of other parts of the drum 2 is required.
  • the first drive means of the drum 2, the second drive means 15 for moving the cutting blade 1 in the change position or for tracking the cutting blade 1 and the third drive means 20 for removing the cutting blade 1 from the change position can be controlled in dependence on each other.
  • the drum 2 can be rotated in a first step with the first drive means in a rotational position in which a predetermined receptacle 21 is arranged with an arranged therein separating knife 1 in the interface 3.
  • the second drive means 15 is actuated and the separating knife 1 in the receptacle 21 moved into the corresponding change position, if this is not yet arranged in this.
  • the separating knife 1 is removed from the third drive means 20 and fed via a fourth drive means, not shown, a new cutting knife 1 from one of the magazines 16.
  • the new separating knife 1 is then held on the connection part 8 and retracted via the second drive means 15 in the desired or operating position.
  • the cutting blade 1 is ground to the predetermined length. Appropriately, in the required replacement of one of the separating blade 1 and the other cutting blades 1 are replaced one after the other.
  • the entire replacement of the separating blade 1 can be carried out much faster by the inventive solution, in addition, the risk of injury to the person handling can be reduced.
  • the separating blades 1 can be handled much more easily since the separating blades 1 are e.g. can be form-coded by the molding and also can be easily taken.
  • the first, second and third drive means 15, 20 and the actuator of the jaws 28 and 29 can be controlled to a fully automatic change of the separating blade 1 via a common central control device, wherein the central control device, the signals of the sensor devices 7,10,18 and optionally one the rotational position of the drum 2 sensory sensor device are supplied. From the signals, control signals for controlling the first, second and third drive means 15, 20 for the completion of the change process are then generated in the central control device according to a defined algorithm. Further, the actuator of the jaws 28 and 29 of the connecting parts 8 and an actuator of the holding part 19 of the third drive means 20 are also controlled via the central control device.
  • the holding part 19 of the third drive device 20 and the connecting parts 8 of the second drive device 15 may be formed by clamping parts, mechanical drivers or by an electromagnetic holding device, it is only important that they connect the separating knife 1 displaceable with the second and third drive means 15 and 20 ,

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EP20140186528 2013-10-11 2014-09-26 Unité de découpe de tabac et lame de coupe pour une unité de découpe de tabac Withdrawn EP2859801A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201310220581 DE102013220581A1 (de) 2013-10-11 2013-10-11 Tabakschneideeinheit und Trennmesser für eine Tabakschneideeinheit

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EP2859801A1 true EP2859801A1 (fr) 2015-04-15

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EP (1) EP2859801A1 (fr)
CN (1) CN104544537A (fr)
DE (1) DE102013220581A1 (fr)

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CN110169588B (zh) * 2019-05-24 2022-01-25 云南昆船烟草设备有限公司 一种切丝机可自动控制的对刀装置及对刀方法

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