EP2481303A1 - Dispositif de coupe pour un dispositif de fabrication de tiges de l'industrie de traitement du tabac et procédé de réglage de l'avancement du couteau dans un dispositif de coupe pour une machine de fabrication de tiges de l'industrie de traitement du tabac - Google Patents

Dispositif de coupe pour un dispositif de fabrication de tiges de l'industrie de traitement du tabac et procédé de réglage de l'avancement du couteau dans un dispositif de coupe pour une machine de fabrication de tiges de l'industrie de traitement du tabac Download PDF

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Publication number
EP2481303A1
EP2481303A1 EP12152371A EP12152371A EP2481303A1 EP 2481303 A1 EP2481303 A1 EP 2481303A1 EP 12152371 A EP12152371 A EP 12152371A EP 12152371 A EP12152371 A EP 12152371A EP 2481303 A1 EP2481303 A1 EP 2481303A1
Authority
EP
European Patent Office
Prior art keywords
knife
blade
cutting device
measuring means
carrier
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
EP12152371A
Other languages
German (de)
English (en)
Other versions
EP2481303B1 (fr
Inventor
Peter Kalus
Frank Grothaus
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
Priority to PL12152371T priority Critical patent/PL2481303T3/pl
Publication of EP2481303A1 publication Critical patent/EP2481303A1/fr
Application granted granted Critical
Publication of EP2481303B1 publication Critical patent/EP2481303B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/28—Cutting-off the tobacco rod

Definitions

  • the invention relates to a cutting device for a strand machine of the tobacco-processing industry, comprising a knife carrier with at least one knife holder, in which a by means of a setting device radially adjustable knife is arranged, wherein the knife carrier is assigned a drive for rotational driving, such that the or each Knife with the knife blade protruding from the knife carrier by the rotation of the knife carrier for cutting at least one strand is engageable with this.
  • the invention further relates to a method for controlling the knife feed in a cutting device for a strand machine of the tobacco-processing industry, wherein the cutting device comprises a knife carrier with at least one knife holder, in which a knife radially adjustable by means of an adjusting device is arranged, and the knife carrier A drive for rotational driving is associated, such that the or each knife is engaged with the knife blade protruding from the knife carrier by the rotation of the knife carrier for cutting at least one strand therewith, comprising the steps of: monitoring the or each knife, and radial Adjusting the or each blade by means of the adjusting device in the event that the monitoring results in an actual value that deviates from a predetermined desired value.
  • Such cutters and methods are used in the tobacco processing industry to cut single rod-shaped articles from strands such as tobacco, blends, filter material, and other materials or combinations of materials commonly used in the tobacco processing industry.
  • rod-shaped articles are separated from a knife arranged on a knife carrier, which describes a running circle as a result of the rotation of the knife carrier, when the knife strikes the strand to be cut substantially perpendicularly.
  • the usually obliquely ground blades protrude with their knife blade out of the knife carrier.
  • the undamaged knife protrudes with a defined length in the radial direction of the knife carrier. If the blade length projecting beyond the outer edge is too large, the knife with its knife blade protrudes too high out of the knife carrier, collisions with the counter-bearing of the knife can occur, in the worst case destroying the counter-bearing and / or the knife and then too leads to a machine downtime. If the knife length is too small, the knife with its knife blade is too deep in the knife carrier, the complete average of the strand can no longer be ensured. By cutting each knife is subject to wear. Therefore, it is common for the knives to be reground.
  • the wear and / or the grinding changes the length of the knife, that is to say the section of the knife blade protruding from the knife carrier. Too small or too large blade lengths can also be caused by a faulty blade advance or a blade change. Damage to the knives, e.g. broken knives, e.g. repaired by regrinding, but also has an impact on the knife length. As a result, lead both an incorrect knife position and / or knife length and defective blades each to an unsatisfactory cut result.
  • the position of the knife ie in particular the protruding from the knife carrier knife length, and thus the knife feed on the basis of experience and by inspection inspected and possibly adjusted by means of the adjusting device.
  • this procedure is on the one hand inaccurate and on the other hand also unreliable, since the knife feed is uncontrolled and, for example, defects on the knife at the high rotational speeds of the knife carrier can not be detected.
  • the adjustment / adjustment of the knife requires a lot of experience, which is why the result of the adjustment / adjustment when the knife feed in quality of the respective operator is dependent and not reproducible.
  • the invention is therefore based on the object to provide a relative to the knife advance and the handling improved cutting device.
  • the further object is to propose a corresponding method.
  • a cutting device of the type mentioned above comprises a control unit for automatic control of the knife feed.
  • knife advance means the position of the knife relative to the knife carrier. In other words, not the speed of the adjustment but the amount, ie the change in length of the protrusion of the knife or of the knife blade beyond the knife carrier, is designated by the knife advance both to increase the length and to reduce the length.
  • the cutting device comprises a measuring means for outputting a signal when passing a knife on the measuring means, an angular position sensor for indicating the angular position of the knife, and an evaluation unit for assigning the angular position to the signal of the measuring means.
  • the measuring means is designed and set up in order to detect the or each knife as it passes by and to display it in the form of an output signal with a positive and a negative edge.
  • the evaluation unit receives the output signal of the measuring means and the indication of the angular position sensor and processes this information. With the positive edge of the output signal, the knife length can be determined. In general, the later the knife is detected, the greater the angle and the shorter the knife.
  • the solution of the invention provides an association between the output signal (positive and / or negative edge) of the measuring means and the angle of the knife, resulting from the geometry of the knife, the blade length, ie the length of protruding from the blade carrier portion, and the Derive condition of the knife.
  • the evaluation unit then outputs a control signal.
  • a preferred development of the cutting device according to the invention is characterized in that the evaluation unit is designed and set up for calculating the actual actual length of the knife blade protruding from the knife carrier of the knife and / or the knife state by means of the assignment of the angular position to the signal of the measuring means. Since the knives are ground obliquely, the evaluation unit from the incoming information with the positive edge of the output signal, the length with which the knife or knife blade protrudes from the knife carrier, and the negative edge of the output signal Ausausstellen the knife exactly, for example Millimeters, calculate.
  • control unit for determining a control signal for the adjusting device of the knife from a predetermined target length and / or a predetermined target state and the actual length and / or the actual state is formed and configured.
  • the control unit is able to determine from a reference signal and the control signal, a difference value from which a control signal is generated.
  • the actuator is controllable to activate the blade advance.
  • a particularly preferred embodiment of the invention is characterized in that the measuring means comprises at least one sensor.
  • the knife length and, secondly, the state of the knife are to be controlled in a particularly simple manner on the one hand.
  • a single sensor is sufficient to generate a signal that is processed by the evaluation unit to calculate the actual length of the knife and the actual knife state.
  • a further particularly preferred embodiment of the invention is characterized in that the measuring means comprises at least two sensors.
  • the measuring means comprises at least two sensors.
  • two spaced sensors two measuring points and thus two signals are generated.
  • a statement about the pitch of the knife blade can be made.
  • This embodiment thus also allows, for example, a check of the grinding device or of the generated grinding pattern of the knives.
  • a further particularly preferred embodiment of the invention is characterized in that the measuring means comprises at least three sensors. This embodiment is particularly suitable for determining the shape of the knife blade in order to control the knife feed accordingly.
  • the measuring means is designed as a fork light barrier.
  • a fixed assignment of transmitter and receiver is achieved, which increases the precision of the signal output and thus ultimately the accuracy of the calculation of the actual length and / or the actual state.
  • This is precisely at such high speeds of e.g. 5000 U / min, as they are achieved during the rotation of the knife carrier, of importance.
  • the invention relates to a cutting device for a strand machine of the tobacco-processing industry.
  • a cutting device 10 according to FIG. 1 comprises a knife carrier 11 with at least one knife holder, not explicitly shown, in which a knife 12, which is radially adjustable by means of a setting device also not explicitly shown, is arranged.
  • the knife carrier 11 has two or more knife holders, each with a knife.
  • the blade carrier 11 is associated with a drive 13 for rotational driving, such that the or each blade 12 is engageable with the knife blade 14 protruding from the knife carrier 11 by the rotation of the knife carrier 11 for cutting at least one strand 15 with this.
  • Such cutting devices 10 are well known, which is why a more detailed description and representation of all the details in the figures is omitted.
  • the cutting device 10 is assigned a control unit 16 for automatic control of the knife feed.
  • the cutting device 10 according to the invention comprises a control unit 16 by means of which the knives 12 are automatically adjustable in the radial direction with the aid of the adjusting device.
  • the embodiment shown comprises two blades 12.
  • the cutting device 10 can also be equipped with only one blade 12 or more than two blades 12.
  • the blades 12 themselves are arranged at least in the radial direction outwardly adjustable in the knife holder.
  • each knife 12 describes a running circle. In this running circle are the strands 15 to be cut.
  • the running circle of the knives 12 crosses the strands 15 to be cut, so that the engagement of the knives 12 in the strands 15 leads to the complete severing thereof.
  • each knife 12 which is ground obliquely, projects beyond the outer edge of the knife carrier 11.
  • each knife 12 Due to the oblique shape or the oblique cut of the knife blade 14, each knife 12, seen in the direction of rotation R, projects longer with the trailing end out of the knife carrier 11 than with the leading end.
  • the longer length of the blade 12 defines the actual blade length h.
  • each knife 12 first strikes the or each strand 15 with the shorter knife length, in order then to ensure the complete average of each strand 15 by the rotation of the knife carrier 11 and the increasing knife length up to the knife length h.
  • the cutting device 10 comprises a measuring means 17 for outputting a signal when passing a knife 12 on the measuring means 17, an angular position sensor 18 for indicating the angular position of the knife 12 and an evaluation unit 19 for assigning the angular position to the signal of the measuring means 17.
  • a measuring means 17 are suitable All common components that detect the passage / passing the blade 12 on the measuring means 17 and display. Especially suitable are sensors, eg simple light barriers.
  • angular position sensor 18 also all common types are used, in particular all sensors for detecting a rotation angle or its change to a shaft relative to a fixed part.
  • the angular position sensors 18 can be designed as analog or digital components.
  • the evaluation unit 19 may e.g. be a computer or control unit. Accordingly, the evaluation unit 19 for calculating the actual actual length (as a control signal) of the knife carrier 11 protruding from the knife blade 11 of the knife 12 and / or the actual knife state by means of the assignment of the angular position to the signal of the measuring means 17 and be configured. This means that the evaluation unit 19 due to the geometry of the knife 12 with the oblique knife blade 14 from the collected data, namely the angular position of the blade 12 and the signal of the measuring means 17, the actual length of the blade 12 and / or the actual width of the blade 12 can calculate.
  • the control unit 16 is for determining a control signal for the adjusting device of the blade 12 from a reference signal, namely here the desired length and / or a predetermined target state (eg full nominal width corresponds to the desired state), and the control signal, here the actual Length and / or the actual state, trained and set up.
  • the measuring means 17 comprises a sensor.
  • the positive edge of the signal can be used to determine the blade length, e.g. in mm.
  • the negative edge of the signal it can be calculated whether the blade 12 is undamaged or e.g. has broken out. This is done e.g. over the blade width.
  • the evaluation unit 19 can also be used to determine the degree of damage, e.g. in mm.
  • this may have two sensors.
  • the measuring means 17 has three sensors or more. With more than two sensors, the actual shape of the knife 12 or the knife blade 14 can be calculated.
  • the multiple sensors can be arranged in a single measuring module.
  • the sensors can be arranged one above the other, one behind the other, offset from one another and in any other way from each other.
  • This building site that is to say the allocation of the measuring means 17 to the knife carrier 11, is located Preferably, on the or the each strand 15 opposite side of the knife carrier 11.
  • the position of the measuring means 17 may also vary.
  • the measuring means 17 is arranged at a distance from the center M of the knife carrier 11, which corresponds to the distance from the center M of the knife carrier 11 to the central axis of the strand 15 to be cut.
  • each distance of the measuring means 17 to the knife carrier 11 is variable.
  • several individual measuring modules each of which carries at least one sensor, form the measuring means 17.
  • the individual measuring modules can be arranged in different ways to the blade carrier 11, that is to say at different building sites.
  • Particularly advantageous is the formation of the measuring means 17 has shown as fork light barrier. Such a forked light barrier has in fixed association with one another on opposite sides at least one transmitter and at least one corresponding receiver.
  • the inventive design of the cutting device 10 is a closed loop. This is formed by the blade carrier 11 with the associated measuring means 17 and angular position sensor 18 together with the evaluation unit 19 and the control unit 16.
  • blade length and / or the knife state can be responded to changes in the blade length and / or changes in the blade state directly and controlled by the blade advance is controlled on the basis of the control signal.
  • the setting and the condition of the grinding device which is usually associated with the blades 12 of the cutting device 10, can be checked. Damage to the blade 12 can be reduced or even completely eliminated by a targeted increase in the blade advance.
  • the control signals from the control unit 16 may further be displayed as a warning or stop message, for example via suitable acoustic and / or optical components.
  • the knife feed is automatically controlled by the control unit 16.
  • the monitoring of the knife length and / or the knife state is performed by the measuring means 17 and the angular position sensor 18 in conjunction with the evaluation unit 19.
  • a signal S 1 is output.
  • the angular position sensor 18 outputs a signal S 2 to the current angular position of the blade 12 permanently.
  • the two signals S 1 and S 2 are assigned to one another in the evaluation unit 19.
  • the evaluation unit 19 calculates the actual actual value (actual length and / or actual state) of the blade 12 and generates a signal S 3 as a control signal.
  • the positive edge of the signal S 1 for calculating the Knife length used.
  • the negative edge of the signal S 1 the state of the blade 12 is calculated or determined.
  • the knife 12 hits with a short blade length h small later, ie in the direction of rotation R at a larger angle of the blade carrier 11, the measuring means 17, while a knife 12 with a larger blade length h large (see FIG. 2b ) rather, so at a smaller angle, the measuring means 17 hits.
  • the later the blade 12 is detected, the greater the angle and vice versa.
  • the negative edge of the signal S 1 is used. If the knife 12 has broken out, for example, at the trailing end (see FIG. 3b ), the negative edge of the signal S 1 is detected at a smaller angle of the blade carrier 11. If the knife 12 is intact (see FIG. 3a ), the negative edge of the signal S 1 is detected later, ie at a larger angle.
  • the output by the evaluation unit 19 signal S 3 as a control signal is compared with a signal S 4 as a reference signal. For example, by subtraction one obtains the signal S 5 as an input signal into the control unit 16. Therein a control signal S 6 is generated and forwarded to the blade carrier 11 or more precisely to the adjusting device. With the control signal S 6 , the blade advance of the blade 12 is actuated, wherein the blade advance can lead to the increase or decrease of the blade length in dependence of the signal S 6 . It is thus formed a closed loop.
  • the blades 12 of a blade carrier 11 can be synchronously or separately monitored and readjusted.
  • control unit 16 By means of the control unit 16, it is thus possible to check and readjust the blade length quite generally. With the invention, it is also possible to check the setting and the state of the grinding device and to respond to it. Malfunctions of the knife feed can also be detected and corrected. After a knife change, the knives 12 can be advanced quickly to the optimum knife length. By specifically increasing the blade advance damage to the blade 12 can be reduced or eliminated.
  • the signals obtained by the monitoring and control can furthermore be used for this purpose to generate warning messages and / or stop messages to prevent damage to the blade carrier 11, the blades 12 or other components of the cutting device 10.

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  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Details Of Cutting Devices (AREA)
EP12152371.6A 2011-01-26 2012-01-25 Dispositif de coupe pour un dispositif de fabrication de tiges de l'industrie de traitement du tabac et procédé de réglage de l'avancement du couteau dans un dispositif de coupe pour une machine de fabrication de tiges de l'industrie de traitement du tabac Active EP2481303B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12152371T PL2481303T3 (pl) 2011-01-26 2012-01-25 Zespół tnący dla urządzenia do wytwarzania wałków przemysłu tytoniowego i sposób regulacji posuwu noży w zespole tnącym dla maszyny do wytwarzania wałków przemysłu tytoniowego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011010258A DE102011010258A1 (de) 2011-01-26 2011-01-26 Schneideeinrichtung für eine Strangeinrichtung der Tabak verarbeitenden Industrie und Verfahren zur Regelung des Messervorschubs in einer Schneideinrichtung für eine Strangmaschine der Tabak verarbeitenden Industrie

Publications (2)

Publication Number Publication Date
EP2481303A1 true EP2481303A1 (fr) 2012-08-01
EP2481303B1 EP2481303B1 (fr) 2015-04-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP12152371.6A Active EP2481303B1 (fr) 2011-01-26 2012-01-25 Dispositif de coupe pour un dispositif de fabrication de tiges de l'industrie de traitement du tabac et procédé de réglage de l'avancement du couteau dans un dispositif de coupe pour une machine de fabrication de tiges de l'industrie de traitement du tabac

Country Status (5)

Country Link
EP (1) EP2481303B1 (fr)
CN (1) CN102613697B (fr)
DE (1) DE102011010258A1 (fr)
ES (1) ES2540565T3 (fr)
PL (1) PL2481303T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2965638A1 (fr) * 2014-07-08 2016-01-13 Dickinson Legg Limited Appareil de positionnement de couteau
CN106040777A (zh) * 2016-08-11 2016-10-26 上虞市银佳铜业有限公司 U形空调高效铜管成型切割一体系统
CN106238499A (zh) * 2016-08-11 2016-12-21 上虞市银佳铜业有限公司 空调高效铜管成型切割一体设备
EP3430915A1 (fr) * 2017-07-18 2019-01-23 Hauni Maschinenbau GmbH Dispositif de coupe d'article en forme de tige et de machine dotée d'un tel dispositif

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014215223A1 (de) * 2014-08-01 2016-02-04 Hauni Maschinenbau Ag Tabakschneidevorrichtung zum Schneiden von Tabakfasern von einem kontinuierlich zugeführten verdichteten Tabakkuchen

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB699377A (en) * 1951-07-13 1953-11-04 Skoda Works Plzen Nat Corp A knife head in a cigarette making machine of the continuous rod type
DE2656003A1 (de) * 1976-04-05 1977-10-06 Skoda Np Vorrichtung zum automatischen vorschub von messern bei einem abschneider an zigarettenmaschinen
FR2520593A1 (fr) * 1982-02-02 1983-08-05 Gd Spa Dispositif de coupe pour tiges continues de cigarettes
US20020052271A1 (en) * 2001-01-08 2002-05-02 Joachim Schicke Method of and apparatus for replacing cutting implements in servering machines
DE10227218A1 (de) * 2002-06-18 2004-01-08 Focke & Co (Gmbh & Co) Vorrichtung zum Durchtrennen eines Tabakstrangs

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19643261A1 (de) * 1996-10-19 1998-04-23 Topack Verpacktech Gmbh Verfahren und Vorrichtung zum Einrichten von paarweise zusammenwirkenden Werkzeugen
CN2669626Y (zh) * 2003-08-26 2005-01-12 徐玲玲 烟草卷接机中的水松纸切纸装置
DE102009024931A1 (de) * 2009-06-06 2010-12-09 Hauni Maschinenbau Ag Schneidvorrichtung der Tabak verarbeitenden Industrie zum Schneiden wenigstens eines geförderten Strangs in eine Vielzahl stabförmiger Artikel sowie Verfahren zum Einrichten und Prüfen der Betriebsbereitschaft der Schneidvorrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB699377A (en) * 1951-07-13 1953-11-04 Skoda Works Plzen Nat Corp A knife head in a cigarette making machine of the continuous rod type
DE2656003A1 (de) * 1976-04-05 1977-10-06 Skoda Np Vorrichtung zum automatischen vorschub von messern bei einem abschneider an zigarettenmaschinen
FR2520593A1 (fr) * 1982-02-02 1983-08-05 Gd Spa Dispositif de coupe pour tiges continues de cigarettes
US20020052271A1 (en) * 2001-01-08 2002-05-02 Joachim Schicke Method of and apparatus for replacing cutting implements in servering machines
DE10227218A1 (de) * 2002-06-18 2004-01-08 Focke & Co (Gmbh & Co) Vorrichtung zum Durchtrennen eines Tabakstrangs

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2965638A1 (fr) * 2014-07-08 2016-01-13 Dickinson Legg Limited Appareil de positionnement de couteau
CN106040777A (zh) * 2016-08-11 2016-10-26 上虞市银佳铜业有限公司 U形空调高效铜管成型切割一体系统
CN106238499A (zh) * 2016-08-11 2016-12-21 上虞市银佳铜业有限公司 空调高效铜管成型切割一体设备
CN106040777B (zh) * 2016-08-11 2017-11-07 上虞市银佳铜业有限公司 U形空调高效铜管成型切割一体系统
EP3430915A1 (fr) * 2017-07-18 2019-01-23 Hauni Maschinenbau GmbH Dispositif de coupe d'article en forme de tige et de machine dotée d'un tel dispositif
EP3430915B1 (fr) 2017-07-18 2020-11-11 Hauni Maschinenbau GmbH Dispositif de coupe d'article en forme de tige et de machine dotée d'un tel dispositif

Also Published As

Publication number Publication date
ES2540565T9 (es) 2015-07-24
EP2481303B1 (fr) 2015-04-08
ES2540565T3 (es) 2015-07-10
PL2481303T3 (pl) 2015-09-30
DE102011010258A1 (de) 2012-07-26
CN102613697B (zh) 2015-09-02
CN102613697A (zh) 2012-08-01

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