EP3199041B1 - Suction belt unit with adjusting device for adjusting the distance between a pressing disc of the suction belt unit and a scraping element, as well as a method for this purpose - Google Patents

Suction belt unit with adjusting device for adjusting the distance between a pressing disc of the suction belt unit and a scraping element, as well as a method for this purpose Download PDF

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Publication number
EP3199041B1
EP3199041B1 EP17153212.0A EP17153212A EP3199041B1 EP 3199041 B1 EP3199041 B1 EP 3199041B1 EP 17153212 A EP17153212 A EP 17153212A EP 3199041 B1 EP3199041 B1 EP 3199041B1
Authority
EP
European Patent Office
Prior art keywords
suction tape
distance
regulating device
tape unit
suction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP17153212.0A
Other languages
German (de)
French (fr)
Other versions
EP3199041A1 (en
Inventor
Jan Kienitz
Roman Wolf
Derk Van Hove
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 PL17153212T priority Critical patent/PL3199041T3/en
Publication of EP3199041A1 publication Critical patent/EP3199041A1/en
Application granted granted Critical
Publication of EP3199041B1 publication Critical patent/EP3199041B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24CMACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14Machines of the continuous-rod type
    • A24C5/18Forming the rod
    • A24C5/1857Belt construction or driving means
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24CMACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/39Tobacco feeding devices
    • A24C5/392Tobacco feeding devices feeding pneumatically
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24CMACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14Machines of the continuous-rod type
    • A24C5/18Forming the rod
    • A24C5/1807Forming the rod with compressing means, e.g. garniture
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24CMACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14Machines of the continuous-rod type
    • A24C5/18Forming the rod
    • A24C5/1871Devices for regulating the tobacco quantity

Definitions

  • the invention relates to a Saugbandaji, designed and adapted for transporting tobacco in a Saugstrangumbleer the tobacco processing industry, comprising a housing for forming a closed operating space, wherein in the operating room an endless circulating suction belt, by means of which the tobacco from an inlet region of the Saugbandiki in an outlet region the Saugbandaji is transported, a plurality of arranged on the housing deflecting elements, around which the suction belt is guided, and at least one vacuum unit for holding the tobacco are arranged on the suction belt, wherein at least one of the deflecting elements is formed as a pressure washer, and each pressure washer, which in the outlet region of the Saugbandiki is arranged, a spaced apart from the pressure plate arranged scraper element is assigned, each pressure plate is designed to change the distance relative to the scraper element by means of an adjusting device adjustable.
  • the invention further relates to a method for transporting tobacco in a suction-belt conveyor of the tobacco-processing industry, in particular with a suction-belt unit according to one of claims 1 to 10, comprising the steps of transporting the tobacco by means of a suction belt which is in a closed operating space of a housing Saugbandiki is arranged, from an inlet region of the suction belt unit to a discharge region of the suction belt unit, wherein the tobacco during transport from the inlet region to the outlet region by means of a vacuum unit, which is also disposed in the operating room, is held on the suction belt, stripping the tobacco from the suction belt in the outlet region by means of a scraper element, wherein between the scraper element and at least one pressing disk around which the suction belt is guided in the outlet region, there is a gap whose size is adjusted as needed by means of an actuator located within the operating room.
  • the suction belt unit is usually part of a Saugstrangvorraum, which is arranged between a distributor device for the tobacco and a strand unit for forming endless strands and / or strand sections from the supplied tobacco and thus ensures the transition of the tobacco from the distributor device to the strand unit.
  • the tobacco is popped up in the area of the Saugstrangvorraum. This means that the tobacco supplied by the distributor device position resp. is sucked in layers by the suction belt, so that there is a multilayer / multilayer strand of tobacco on the underside of the suction belt.
  • the tobacco virtually hangs on the suction belt, which transports the tobacco from the inlet area into the outlet area of the suction belt unit.
  • the scraper element is arranged, which is provided with a distance to the suction belt. In other words, there is a gap between the suction belt and the scraper element in the outlet region of the suction belt unit.
  • the scraper element may be part of the suction belt unit or another device / machine / unit downstream of the suction belt unit in the transport direction of the tobacco.
  • the reasons why the size of the gap has to be adjusted are many. On the one hand, for example, different products or different types of tobacco require individual gap sizes. Then an adaptation of the gap is at a product or tobacco change required. On the other hand, the wear of the suction belts leads to a changing gap size during ongoing production. Then an adjustment of the gap dimension during production is required. The latter case is particularly true when suction belts are used, the thickness of which decreases sharply during production.
  • the fully arranged within the operating room adjusting device comprises a releasably attached to the housing first actuator, in which a second actuator is guided.
  • the second actuator, on which the or each dummy disk is arranged, is designed for linear and vertical adjustment of the second actuator relative to the first actuator.
  • the actuating device arranged within the operating room is to be actuated with its actuating means.
  • the fixation of the second actuator in the second actuator to be solved.
  • an adjusting screw which is arranged in the first actuator and is operatively connected to the second actuator, then the position of the second actuator relative to the first actuator for adjusting the gap between the or each dummy disc, which is arranged on the second actuator, and be changed the scraper element.
  • the second actuator must be fixed again in the first actuator to prevent a conditional by the operation adjustment.
  • This procedure and handling is cumbersome on the one hand.
  • it is very serious that the entire system has to be stopped and the operating room of the suction belt unit has to be opened in order to be able to adjust the gap size. This leads to undesirable downtime and thus to production losses.
  • the invention is therefore based on the object to provide a simple and compact Saugbandaji, by means of a simplified adjustment of the gap size between the dummy plate and scraper element can be realized.
  • the task is further to propose a corresponding method.
  • actuating means for actuating the adjusting device for adjusting the distance between each dummy disk and the scraper element are arranged outside the operating room.
  • the inventive solution a simple and easy to handle suction belt unit is created, which greatly simplifies the adjustment of the gap size.
  • a preferred embodiment is characterized in that the actuating device comprises a guide body and a relative to the guide body movable sliding body, which is associated with each pressing disc, wherein the actuating means for changing the position of the slider relative to the guide body operable from outside the operating space threaded rod or one of includes operable eccentric outside of the operating room, which is in operative connection with the slider.
  • a threaded rod such rods and means are understood that have wholly or partially a thread or are formed in the manner of a threaded rod.
  • the adjustment is also quick and easy to carry out by the projecting out of the operating room threaded rod for changing the position of the slider is actuated relative to the guide body. Turning the threaded rod or activating the eccentric leads directly to the desired gap size adjustment.
  • the suction belt unit comprises at least one sensor for determining the thickness of the suction belt.
  • the thickness of the suction belt changes during the life thereof. From the detected by the sensor, the current thickness of the suction belt then the current gap size can be determined, which is the basis for an adjustment. This additionally simplifies and clarifies the setting.
  • the suction belt unit comprises at least one sensor for determining the distance between each pressure disk and the Scraper element.
  • the thickness of the suction belt changes during the service life.
  • the proposed sensor the current distance between the dummy block and the scraper element can be determined and from this the current strip thickness can be calculated. Based on this result, a resulting and recommended gap size adjustment can be specified. This additionally simplifies and clarifies the setting.
  • the Saugbandaji is connected to a control and regulating device, each sensor is in communication with the control and regulating device and the control and regulating device for displaying the information determined by the or each sensor and / or for calculating and displaying the Distance between each dummy disk and the scraper element is formed and arranged on a monitor associated with the suction belt unit.
  • the control and regulating device may be part of the Saugbandaji or another device / machine / unit assigned. Decisive is the connection of the sensors to the control and regulation device. If the actual value of the gap or the value of the gap to be set is visualized, the distance can be set or adjusted manually or automatically without intervention in the operating room and even online, ie during operation of the installation.
  • the adjusting device is designed to be manually adjustable, such that the threaded rod is led out of the operating room and at the projecting from the operating room end of the threaded rod a graduated knob is arranged by means of which the desired and / or displayed distance of each dummy disk with respect is adjustable to the scraper element.
  • a graduated knob is arranged by means of which the desired and / or displayed distance of each dummy disk with respect is adjustable to the scraper element.
  • the actuating means comprises a further actuating rod, which is accessible from outside during operation and which is an actuating button is assigned, by means of which the sliding body relative to the guide body in the set position can be fixed and releasably designed and set to adjust the distance.
  • This actuating rod is also manually to solve before adjusting and then fix again so that the set position is secured by the operation of the system. This clamping of the adjusted position increases the precision of the adjustment.
  • a particularly preferred embodiment is characterized in that the adjusting device is designed to be automatically adjustable, such that the threaded rod or the eccentric is associated with a motor whose actuating means is arranged outside the operating room.
  • the actuating means may be a switch, a button on a monitor or any other engine triggering element. The automatic adjustment makes the fitting process faster and more precise.
  • a particularly advantageous development provides that the motor is connected to the control and regulating device, such that the motor communicates via the control and regulating device with the or each sensor for automatically adjusting the distance between each pressing disc and the scraper element.
  • the adjustment process can be carried out fully automatically, ie without an operator, which further improves the simplification of the setting, that is to say in particular the acceleration and the accuracy of the adjustment.
  • the fully automatic embodiment allows the individual and permanent readjustment of each pressure disc even with the smallest changes in the distance from the pressure plate to scraper element and in the thickness of the suction belt, which leads to an improved quality of the products to be produced, since the distance always has the optimum size.
  • the motor is an angle drive.
  • the angle drive holds the threaded rod in position. This means that the set position, equivalent to the set, optimal distance, is secured, so that can be dispensed with an additional, mechanical fixation of the slider relative to the guide body.
  • the object is also achieved by a method with the steps mentioned above in that the operation of the adjusting device for adjusting the distance from outside the operating room is exercised. This means that the adjusting device can be acted on manually or automatically without opening the operating room.
  • the distance between each dummy disk and the scraper element is measured by means of a sensor, wherein a control and regulating device calculates the thickness of the suction belt and the resulting position of each pressure disk from the measured value.
  • the resulting position of each dummy block is displayed and adjusted manually by an operator by means of an actuating means arranged outside the operating room, which is in operative connection with the actuating device within the operating room.
  • the resulting position of each dummy block is passed through the control and regulating device to a motor which automatically actuates the actuating device.
  • a particularly preferred development is characterized in that the set distance between each dummy disk and the doctoring element is kept continuously constant during operation of the suction belt unit.
  • the suction belt unit according to one of claims 1 to 10 is particularly suitable for carrying out the method.
  • the suction belt unit shown in the drawing is designed and arranged for transporting tobacco material, wherein the distance between the pressure plate and the scraper element, so the gap size, manually or automatically adjustable.
  • the invention relates in the same way to Saugbandajien, the other material of the tobacco-processing industry, so for example, filter material or mixtures of tobacco and filter material, transport for purposes of strand formation.
  • FIG. 1 there is shown a suction belt unit 10 adapted and arranged for transporting tobacco in a suction belt conveyor of the tobacco processing industry.
  • the suction belt unit 10 comprises a housing 11 for forming a closed operating space 12.
  • an endlessly circulating suction belt 13 by means of which the tobacco is transported from an inlet region E of the suction belt unit 10 into a discharge region A of the suction belt unit 10 is arranged a plurality of arranged on the housing 11 deflecting elements 14 around which the suction belt 13 is guided, and at least one vacuum unit 15 for holding the tobacco on the suction belt 13.
  • the suction belt 13 has a downwardly facing transport section 16, to which the tobacco is aufauert.
  • At least one of the deflection elements 14 is designed as a drive element 17 for the suction belt 13 and at least one further deflection element 14 is formed as a pressure plate 18.
  • Each pressure plate 18, which is arranged in the outlet region A of the suction belt unit 10, is associated with a scraper element 19 arranged at a distance from the pressure plate 18, wherein each pressure plate 18 is adjustable to change the distance relative to the scraper element 19 by means of an adjusting device 20.
  • the adjusting device 20 is also arranged within the operating room 12.
  • this suction belt unit 10 is characterized in that actuating means 21 for actuating the adjusting device 20 for adjusting the distance between each pressing disk 18 and the scraper element 19 are arranged outside the operating space 12.
  • the housing 11 may be a system closed on all sides, wherein preferably one side, namely the front side, is to be opened. Closed on all sides means that with the exception of the underside, at which the suction belt 13 with the vacuum unit 14 limits the operating space 12, all sides are closed with the access / engagement preventing wall elements or the like to form the operating space 12.
  • a front wall of the housing 11 is designed as a hinged lid and transparent, so that monitoring of the operating room 12 is facilitated.
  • other housing designs are also applicable.
  • the actuator 20 comprises a guide body 22 and a slider 23 movable relative to the guide body 22.
  • Each presser plate 18 is associated with the slider 23 such that movement of the slider 23 inevitably results in the movement of each presser plate 18.
  • the guide body 22 is preferably fixedly connected to the housing 11.
  • the compound may be insoluble or soluble, e.g. be made by means of screws.
  • the guide body 22 is mounted on a rear wall 24 of the housing 11.
  • the slider 23 is formed to be linearly and vertically movable along guide grooves, guide rails or the like so that the dummy block 18 - or two or more dummy plates arranged at a free end of the slider 23 - is movable toward or away from the doctor blade 19.
  • the actuating means 21 for changing the position of the slider 23 relative to the guide body 22 comprises an actuatable from outside the operating space 12 threaded rod 25 which is in operative connection with the sliding body 23.
  • the threaded rod 25, so each type of rod by means of a force by rotation on the slider 23 can be applied, is guided with one end to an outer edge of the housing 11 or out of the housing 11, so that with respect to the housing 11 external actuating means 21 can interact with the threaded rod 25.
  • the threaded rod 25 may also be provided an eccentric. The eccentric is accordingly operable from the outside by means of suitable transmission elements.
  • the suction belt unit 10 comprises at least one not explicitly shown sensor for determining the thickness of the suction belt 13.
  • the number of such sensors and their position may vary.
  • the suction belt unit 10 may comprise, alternatively or cumulatively to the first-mentioned sensor, at least one further sensor 26 for determining the distance between each press disk 18 and the scraper element 19.
  • Each sensor 26 for determining or measuring the distance is correspondingly arranged in the outlet region of the suction belt unit 10. Both with the sensor for determining the thickness of the suction belt 13 and with the sensor 26 for determining the distance, with the sensor 26 for determining the distance can be determined Incidentally, the thickness of the suction belt 13, can be recommended settings of each dummy block 18 against the scraper element 19 win.
  • the suction belt unit 10 is connected to a control and regulating device 27.
  • Each sensor 26 is connected to the control and regulation device 27 in conjunction.
  • the control and regulation device 27 is designed and set up for displaying the information determined by the or each sensor 26 and / or for calculating and displaying the distance to be set between each pressing disk 18 and the scraper element 19 on a monitor 28 associated with the suction belt unit 10.
  • the sensor 26 measures, for example, the distance between the suction belt 13 and the pressure plate 18 and supplies this information to the control and regulating device 27.
  • the control and regulating device 27 calculates the thickness of the suction belt 13 and the resulting recommended setting of the pressure plate 18 This information is then output to a visualization, such as the monitor 28.
  • the adjusting device 20 is manually adjustable, such that the threaded rod 25 is led out of the operating room 12 and at the projecting from the operating room 12 end of the threaded rod 25, a graduated knob 29 is arranged by means of the desired and / or displayed Distance of each press plate 18 with respect to the scraper element 19 is adjustable.
  • the knob 29 may also be assigned to a protruding from the operating room 12 transmission member for the eccentric.
  • An operator may adjust the pressure plate 18 to the displayed distance as needed.
  • the actuating means 21 comprises a further actuating rod 30, which is accessible from the outside during operation of the Saugbandaji 10.
  • the actuating rod 30 is associated with an actuating button 31, by means of which the slider 23 relative to the guide body 22 without conversion measures and permanently accessible in the set position can be fixed and releasably designed and set for adjusting the distance. Such a clamping mechanism ensures that the set position is fixed during operation of the system.
  • the actuating rod 30 may be formed like the threaded rod 25.
  • a control knob 31 for example, a knob is provided.
  • the adjusting device 20 is automatically adjustable, such that the threaded rod 25 or the eccentric motor 32 is assigned, the actuating means 21 outside of the operating room 12th is arranged.
  • the threaded rod 25 is disposed in the guide body 22.
  • the guide body 22 with the threaded rod 25 is arranged in the housing 11 and projects, for example, out of the operating room 12.
  • the motor 32 is placed outside the housing 11 and connected to the threaded rod 25.
  • the motor connection can also protrude into the operating room 12.
  • actuating means 21 may serve a simple switch.
  • the actuating means 21 can also be a button on a display.
  • the motor 32 is connected to the control and regulating device 27, such that the motor 32 communicates via the control and regulating device 27 with the or each sensor 26 for automatically adjusting the distance between each pressing disc 18 and the scraper element 19.
  • the adjustment of the distance takes place automatically and independently of an operator by the 27 recommended by the control and regulating device pinch position is automatically forwarded to the motor 32 and implemented by this.
  • the visual display on the monitor 32 is optional.
  • the motor 32 is an angle drive 33.
  • the angle drive 33 is arranged to save space outside the housing 11 and connected via a connecting element with the threaded rod 25.
  • Other types of drives, motors, engine / gearbox combinations are also used.
  • the suction belt unit 10 is designed and arranged to provide a pressure washer height adjustment.
  • the or each dummy wheel 18 is adjustably formed in at least one axis (eg the X-axis), but preferably in at least two axes (eg the X-axis and the Y-axis) (see in particular FIG FIG. 7 ).
  • the position or height of the pressure plate 18 has a strong influence on the so-called head failure and depends inter alia on the type of tobacco, the tobacco quality and other parameters.
  • the height of the pressure plate 18 can be adapted individually to the mentioned parameters.
  • each pressure plate 18 is designed to be adjustable manually or automatically in the linear direction along the X-axis and / or Y-axis.
  • the pressure disc height over the X-axis which is perpendicular to the strand, set such that the pressure plate 18 is the format-dependent distance C (thickness of the tobacco rod) and a constant distance D to the scraper element 19 (gap size between the pressure plate 18 and scraper element 19).
  • the pressure plate height C1 can then be adjusted via the adjustment along the Y-axis, which runs parallel to the scraper element 19. Due to the parallel guidance to the scraper element 19 along the Y-axis, the distance D remains constant with changing height.
  • This height adjustment of the pressure plate 18 can preferably also be carried out during operation of the suction belt unit 10.
  • the (not explicitly shown) adjusting device (s) for adjusting the pressure plate 18 in the X direction and / or Y direction is / are preferably connected to the control and regulation device 27.
  • the suction belt unit 10 comprises a (not explicitly shown) means for determining the pressing force of the or each press plate 18.
  • the pressing force ie the existing compression pressure on the tobacco rod
  • the means for determining the pressing force may be e.g. Sensors or the like include.
  • a particularly preferred embodiment provides that the determination or measurement of the pressing force takes place via a bearing of the or each pressure plate 18.
  • a so-called "Bearing Monitoring System” can be used, which can determine the mechanical load condition via the propagation of vibrations in the outer ring of the bearing.
  • Other components for determining a pressing force can also be used.
  • the device for determining the pressing force is preferably connected to the control and regulation device 27. When the pressing force is detected in the operation of the suction belt unit 10, the pressing force can be adjusted e.g. be controlled or regulated by the control and regulation device 27 in the optimum range via the above-described pressure plate height adjustment, either manually or automatically.
  • the method relates to the transport of tobacco in a Saugstrangrawer the tobacco processing industry, in particular with a Saugbandiki 10 according to any one of claims 1 to 10.
  • the tobacco is by means of a suction belt 13, which is arranged in a closed operating space 12 of a housing 11 of a Saugbandiki 10 , transported from an inlet region of the suction belt unit 10 to a discharge region of the suction belt unit 10.
  • a vacuum unit 15 which is also arranged in the operating room 12, held on the suction belt 13.
  • a scraper element 19 In the outlet region of the tobacco is scraped by a scraper element 19 from the suction belt 13. Between the scraper element 19 and at least one pressing plate 18, around which the suction belt 13 is guided in the outlet region, there is a distance, the size of which is adjusted if necessary by means of an adjusting device 20 which is located within the operating space 12.
  • the adjustment of the distance is an essential aspect when transporting the tobacco, since the quality of the products to be produced depends essentially on the optimum size of the distance.
  • This method is inventively characterized in that the operation of the adjusting device 20 is applied to adjust the distance from outside the operating room 12. This means that an intervention in the operating room 12, is avoided and thus a simple and quick adjustment of the distance is possible.
  • the distance between each pressing disc 18 and the scraper element 19 is measured by means of a sensor 26, wherein a control and regulating device 27 calculates the thickness of the suction belt 13 and the resulting position of each pressure plate 18 from the measured value.
  • the thickness of the suction belt 13 can be monitored, wherein a reduction of the thickness is accompanied by an increase in the distance.
  • the resulting position of each dummy block 18 is displayed, for example on a monitor 32, and manually by an operator by means of an operating means 21 arranged outside the operating room 12, which is in operative connection with the actuator 20 within the operating room 12, set.
  • Each dummy block 18 is adjusted via the threaded rod 25 to an optimum distance from the doctor element 19, for example a finger scraper.
  • a scaled sleeve of the rotary knob 29 is positioned so that the scale located on the sleeve with the "1" points forward. In this position, the sleeve is fixed with the knob on the threaded rod 25.
  • Distributed over the circumference of the sleeve are vertical grooves, in which a spring-loaded ball is pressed in from the side. If the threaded rod 25 is rotated to adjust the pressure plate 18, this ball snaps in the grooves of the sleeve. At these positions, digits on the circumference are suitably inserted for scaling, which show an operator at which position the pressure plate 18 is located in each case.
  • the calculated by the control and regulating device 27 resulting position of each pressure plate 18 is passed through the control and regulating device 27 to a motor 32 which actuates the actuating device 20 automatically.
  • the motor 32 drives the threaded rod 25 provided with the slider 23 to which each presser plate 18 is arranged to vary the distance.
  • the motor 32 is operated without intervention of an operator directly from the control and regulation device 27.
  • a switch may be located outside of the operating room 12 or an external button may be provided, for example on a "touch-screen”.
  • the set distance between each pressing disk 18 and the scraper element 19 is kept continuously constant during operation of the suction belt unit 10. In other words, the motor 32 at any time, even with the smallest changes in the continuously monitored distance, ie with the smallest changes in the thickness of the suction belt 13, this distance automatically after.
  • suction belt unit 10 is suitable for carrying out the method.

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  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Description

Die Erfindung betrifft eine Saugbandeinheit, ausgebildet und eingerichtet zum Transportieren von Tabak in einem Saugstrangförderer der Tabak verarbeitenden Industrie, umfassend ein Gehäuse zur Bildung eines geschlossenen Betriebsraumes, wobei im Betriebsraum ein endlos umlaufendes Saugband, mittels dem der Tabak von einem Einlaufbereich der Saugbandeinheit in einen Auslaufbereich der Saugbandeinheit transportiert wird, mehrere am Gehäuse angeordnete Umlenkelemente, um die das Saugband geführt ist, und mindestens eine Unterdruckeinheit zum Halten des Tabaks am Saugband angeordnet sind, wobei mindestens eines der Umlenkelemente als Pressscheibe ausgebildet ist, und jeder Pressscheibe, die im Auslaufbereich der Saugbandeinheit angeordnet ist, ein beabstandet zur Pressscheibe angeordnetes Schaberelement zugeordnet ist, wobei jede Pressscheibe zur Veränderung des Abstandes gegenüber dem Schaberelement mittels einer Stelleinrichtung verstellbar ausgebildet ist.The invention relates to a Saugbandeinheit, designed and adapted for transporting tobacco in a Saugstrangförderer the tobacco processing industry, comprising a housing for forming a closed operating space, wherein in the operating room an endless circulating suction belt, by means of which the tobacco from an inlet region of the Saugbandeinheit in an outlet region the Saugbandeinheit is transported, a plurality of arranged on the housing deflecting elements, around which the suction belt is guided, and at least one vacuum unit for holding the tobacco are arranged on the suction belt, wherein at least one of the deflecting elements is formed as a pressure washer, and each pressure washer, which in the outlet region of the Saugbandeinheit is arranged, a spaced apart from the pressure plate arranged scraper element is assigned, each pressure plate is designed to change the distance relative to the scraper element by means of an adjusting device adjustable.

Des Weiteren betrifft die Erfindung ein Verfahren zum Transportieren von Tabak in einem Saugstrangförderer der Tabak verarbeitenden Industrie, insbesondere mit einer Saugbandeinheit nach einem der Ansprüche 1 bis 10, umfassend die Schritte: Transportieren des Tabaks mittels eines Saugbandes, das in einem geschlossenen Betriebsraum eines Gehäuses einer Saugbandeinheit angeordnet ist, von einem Einlaufbereich der Saugbandeinheit zu einem Auslaufbereich der Saugbandeinheit, wobei der Tabak während des Transports vom Einlaufbereich bis zum Auslaufbereich mittels einer Unterdruckeinheit, die ebenfalls in dem Betriebsraum angeordnet ist, am Saugband gehalten wird, Abstreifen des Tabaks vom Saugband im Auslaufbereich mittels eines Schaberelementes, wobei zwischen dem Schaberelement und mindestens einer Pressscheibe, um die das Saugband im Auslaufbereich geführt ist, ein Abstand besteht, dessen Größe bei Bedarf mittels einer Stelleinrichtung, die sich innerhalb des Betriebsraumes befindet, eingestellt wird.The invention further relates to a method for transporting tobacco in a suction-belt conveyor of the tobacco-processing industry, in particular with a suction-belt unit according to one of claims 1 to 10, comprising the steps of transporting the tobacco by means of a suction belt which is in a closed operating space of a housing Saugbandeinheit is arranged, from an inlet region of the suction belt unit to a discharge region of the suction belt unit, wherein the tobacco during transport from the inlet region to the outlet region by means of a vacuum unit, which is also disposed in the operating room, is held on the suction belt, stripping the tobacco from the suction belt in the outlet region by means of a scraper element, wherein between the scraper element and at least one pressing disk around which the suction belt is guided in the outlet region, there is a gap whose size is adjusted as needed by means of an actuator located within the operating room.

Solche Saugbandeinheiten und Verfahren kommen in der Tabak verarbeitenden Industrie zum Einsatz. Die Saugbandeinheit ist üblicherweise Bestandteil einer Saugstrangvorrichtung, die zwischen einer Verteilervorrichtung für den Tabak und einer Strangeinheit zur Bildung von endlosen Strängen und/oder Strangabschnitten aus dem zugeführten Tabak angeordnet ist und somit den Übergang des Tabaks von der Verteilervorrichtung an die Strangeinheit gewährleistet. Der Tabak wird im Bereich der Saugstrangvorrichtung aufgeschauert. Das bedeutet, dass der von der Verteilervorrichtung zugeführte Tabak lage-/bzw. schichtweise vom Saugband angesaugt wird, so dass sich an der Unterseite des Saugbandes ein mehrlagiger/mehrschichtiger Strang von Tabak befindet. Der Tabak hängt quasi am Saugband, das den Tabak vom Einlaufbereich in den Auslaufbereich der Saugbandeinheit transportiert. Im Auslaufbereich ist das Schaberelement angeordnet, das mit einem Abstand zum Saugband versehen ist. Mit anderen Worten existiert im Auslaufbereich der Saugbandeinheit ein Spalt zwischen dem Saugband und dem Schaberelement.Such Saugbandeinheiten and methods are used in the tobacco processing industry. The suction belt unit is usually part of a Saugstrangvorrichtung, which is arranged between a distributor device for the tobacco and a strand unit for forming endless strands and / or strand sections from the supplied tobacco and thus ensures the transition of the tobacco from the distributor device to the strand unit. The tobacco is popped up in the area of the Saugstrangvorrichtung. This means that the tobacco supplied by the distributor device position resp. is sucked in layers by the suction belt, so that there is a multilayer / multilayer strand of tobacco on the underside of the suction belt. The tobacco virtually hangs on the suction belt, which transports the tobacco from the inlet area into the outlet area of the suction belt unit. In the outlet area the scraper element is arranged, which is provided with a distance to the suction belt. In other words, there is a gap between the suction belt and the scraper element in the outlet region of the suction belt unit.

Das Schaberelement kann Bestandteil der Saugbandeinheit oder einer anderen der Saugbandeinheit in Transportrichtung des Tabaks nachgeordneten Vorrichtung/Maschine/Einheit sein. Entscheidend ist das Zusammenwirken von Schaberelement und Saugbandeinheit und genauer der Pressscheibe, da der Abstand zwischen dem Schaberelement und der Pressscheibe, also die Größe des Spaltes, einen direkten Einfluss auf die Qualität des zu erzeugenden Strangs bzw. der Strangabschnitte in der Strangeinheit hat. Das bedeutet, dass ein zu großer oder ein zu kleiner Spalt zu Qualitätseinbußen führen kann, beispielsweise in Form von so genanntem Kopfausfall (Loose Ends = LE) bei zu großem Spalt. Daraus wird ersichtlich, dass das Einstellen des Abstandes zwischen der Pressscheibe und dem Schaberelement für das Verfahren zum Transportieren von Tabak in einem Saugstrangförderer sowie für die Saugbandeinheit des Saugstrangförderers eine zentrale Bedeutung hat.The scraper element may be part of the suction belt unit or another device / machine / unit downstream of the suction belt unit in the transport direction of the tobacco. Decisive is the interaction between the scraper element and the suction belt unit and more precisely the pressure disk, since the distance between the scraper element and the pressure disk, ie the size of the gap, has a direct influence on the quality of the strand or strand sections in the strand unit to be produced. This means that a too large or a too small gap can lead to quality losses, for example in the form of so-called head failure (Loose Ends = LE) if the gap is too large. It can thus be seen that adjusting the distance between the pressure disk and the scraper element is of central importance for the method of transporting tobacco in a suction belt conveyor and for the suction belt unit of the suction belt conveyor.

Die Gründe, warum die Größe des Spaltes angepasst werden muss, sind vielfältig. Zum einen erfordern beispielsweise unterschiedliche Produkte oder verschiedene Tabaksorten individuelle Spaltgrößen. Dann ist eine Anpassung des Spaltmaßes bei einem Produkt- oder Tabakwechsel erforderlich. Zum anderen führt der Verschleiß der Saugbänder zu einer sich während der laufenden Produktion verändernden Spaltgröße. Dann ist eine Anpassung des Spaltmaßes während der Produktion erforderlich. Der letztgenannte Fall trifft besonders dann zu, wenn Saugbänder zum Einsatz kommen, deren Dicke während der Produktion stark abnimmt.The reasons why the size of the gap has to be adjusted are many. On the one hand, for example, different products or different types of tobacco require individual gap sizes. Then an adaptation of the gap is at a product or tobacco change required. On the other hand, the wear of the suction belts leads to a changing gap size during ongoing production. Then an adjustment of the gap dimension during production is required. The latter case is particularly true when suction belts are used, the thickness of which decreases sharply during production.

Mit den bisherigen und bekannten Saugbandeinheiten sind für jede Verstellung des Spaltmaßes die Saugbandeinheit und damit die gesamte Saugstrangvorrichtung auszuschalten, um an die im geschlossenen Betriebsraum befindliche Stelleinrichtung zu gelangen. Geschlossen ist im vorliegenden Fall als im Sinne von im Betrieb gegen Eingriff einer Bedienperson geschützt zu verstehen. Im Stillstand der Saugbandeinheit bzw. der gesamten Saugstrangeinrichtung wird durch das Öffnen einer Klappe oder dergleichen in den Betriebsraum der Saugbandeinheit eingegriffen. In der Praxis umfasst die vollständig innerhalb des Betriebsraumes angeordnete Stelleinrichtung einen lösbar am Gehäuse angebrachtes erstes Stellglied, in dem ein zweites Stellglied geführt ist. Das zweite Stellglied, an dem die oder jede Pressscheibe angeordnet ist, ist zum linearen und vertikalen Verstellen des zweiten Stellglieds relativ zum ersten Stellglied ausgebildet. Für eine Verstellung ist die innerhalb des Betriebsraumes angeordnete Stelleinrichtung mit ihrem Betätigungsmittel zu betätigen. Zunächst ist die Fixierung des zweiten Stellgliedes in dem zweiten Stellglied zu lösen. Mittels einer Stellschraube, die in dem ersten Stellglied angeordnet ist und mit dem zweiten Stellglied in Wirkverbindung steht, kann dann die Position des zweiten Stellgliedes relativ zum ersten Stellglied zur Einstellung des Spaltes zwischen der oder jeder Pressscheibe, die an dem zweiten Stellglied angeordnet ist, und dem Schaberelement verändert werden. Anschließend muss das zweite Stellglied wieder in dem ersten Stellglied fixiert werden, um eine durch den Betrieb bedingte Verstellung zu verhindern. Diese Vorgehensweise und Handhabung ist zum einen umständlich. Gravierend ist zum anderen, dass die gesamte Anlage angehalten und der Betriebsraum der Saugbandeinheit geöffnet werden muss, um die Anpassung der Spaltgröße vornehmen zu können. Dies führt zu unerwünschten Stillstandzeiten und somit zu Produktionsausfällen.With the previous and known Saugbandeinheiten the Saugbandeinheit and thus the entire Saugstrangvorrichtung are switched off for each adjustment of the gap dimension to get to the located in the closed operating room actuating device. Closed is to be understood in the present case as protected in the operation against intervention of an operator. At standstill of Saugbandeinheit or the entire Saugstrangeinrichtung is intervened by the opening of a flap or the like in the operating room of the Saugbandeinheit. In practice, the fully arranged within the operating room adjusting device comprises a releasably attached to the housing first actuator, in which a second actuator is guided. The second actuator, on which the or each dummy disk is arranged, is designed for linear and vertical adjustment of the second actuator relative to the first actuator. For an adjustment, the actuating device arranged within the operating room is to be actuated with its actuating means. First, the fixation of the second actuator in the second actuator to be solved. By means of an adjusting screw, which is arranged in the first actuator and is operatively connected to the second actuator, then the position of the second actuator relative to the first actuator for adjusting the gap between the or each dummy disc, which is arranged on the second actuator, and be changed the scraper element. Subsequently, the second actuator must be fixed again in the first actuator to prevent a conditional by the operation adjustment. This procedure and handling is cumbersome on the one hand. On the other hand, it is very serious that the entire system has to be stopped and the operating room of the suction belt unit has to be opened in order to be able to adjust the gap size. This leads to undesirable downtime and thus to production losses.

Der Erfindung liegt somit die Aufgabe zugrunde, eine einfache und kompakte Saugbandeinheit zu schaffen, mittels der eine vereinfachte Einstellung der Spaltgröße zwischen Pressscheibe und Schaberelement realisierbar ist. Die Aufgabe besteht des Weiteren darin, ein entsprechendes Verfahren vorzuschlagen.The invention is therefore based on the object to provide a simple and compact Saugbandeinheit, by means of a simplified adjustment of the gap size between the dummy plate and scraper element can be realized. The task is further to propose a corresponding method.

Diese Aufgabe wird durch eine Saugbandeinheit mit den eingangs genannten Merkmalen dadurch gelöst, dass Betätigungsmittel zum Betätigen der Stelleinrichtung für das Verstellen des Abstandes zwischen jeder Pressscheibe und dem Schaberelement außerhalb des Betriebsraumes angeordnet sind. Das bedeutet, dass auf jeglichen Eingriff in den Betriebsraum zum Betätigen der Verstelleinrichtung verzichtet werden kann und schließt eine manuelle Verstellung und eine automatische Verstellung, die keiner expliziten Betätigung durch eine Bedienperson bedarf, ausdrücklich mit ein. Durch die erfindungsgemäße Lösung ist eine einfache und leicht handhabbare Saugbandeinheit geschaffen, die das Verstellen der Spaltgröße wesentlich vereinfacht.This object is achieved by a Saugbandeinheit with the features mentioned above in that actuating means for actuating the adjusting device for adjusting the distance between each dummy disk and the scraper element are arranged outside the operating room. This means that can be dispensed with any intervention in the operating room for actuating the adjustment and includes manual adjustment and automatic adjustment, which requires no explicit operation by an operator, expressly with. The inventive solution a simple and easy to handle suction belt unit is created, which greatly simplifies the adjustment of the gap size.

Eine bevorzugte Ausführungsform ist dadurch gekennzeichnet, dass die Stelleinrichtung einen Führungskörper und einen relativ zum Führungskörper bewegbaren Gleitkörper, dem jede Pressscheibe zugeordnet ist, umfasst, wobei das Betätigungsmittel zum Verändern der Position des Gleitkörpers relativ zum Führungskörper eine von außerhalb des Betriebsraums betätigbare Gewindestange oder einen von außerhalb des Betriebsraums betätigbaren Exzenter umfasst, die/der mit dem Gleitkörper in Wirkverbindung steht. Als Gewindestange werden solche Stangen und Mittel verstanden, die ganz oder teilweise ein Gewinde aufweisen oder in der Art einer Gewindestange ausgebildet sind. Damit ist eine besonders einfache und günstige Ausführungsform vorgeschlagen. Die Verstellung ist auch schnell und einfach ausführbar, indem die aus dem Betriebsraum herausragende Gewindestange zum Verändern der Position des Gleitkörpers relativ zum Führungskörper betätigt wird. Das Drehen der Gewindestange bzw. das Aktivieren des Exzenters führt unmittelbar zu der gewünschten Spaltgrößenanpassung.A preferred embodiment is characterized in that the actuating device comprises a guide body and a relative to the guide body movable sliding body, which is associated with each pressing disc, wherein the actuating means for changing the position of the slider relative to the guide body operable from outside the operating space threaded rod or one of includes operable eccentric outside of the operating room, which is in operative connection with the slider. As a threaded rod such rods and means are understood that have wholly or partially a thread or are formed in the manner of a threaded rod. For a particularly simple and cheap embodiment is proposed. The adjustment is also quick and easy to carry out by the projecting out of the operating room threaded rod for changing the position of the slider is actuated relative to the guide body. Turning the threaded rod or activating the eccentric leads directly to the desired gap size adjustment.

Vorteilhafterweise umfasst die Saugbandeinheit mindestens einen Sensor zur Ermittlung der Dicke des Saugbandes. Wie erwähnt, ändert sich die Dicke des Saugbandes während der Lebensdauer desselben. Aus der mittels des Sensors detektierten, aktuellen Dicke des Saugbandes kann dann die aktuelle Spaltgröße ermittelt werden, die die Basis für eine Anpassung darstellt. Dadurch wird die Einstellung zusätzlich vereinfacht und präzisiert.Advantageously, the suction belt unit comprises at least one sensor for determining the thickness of the suction belt. As mentioned, the thickness of the suction belt changes during the life thereof. From the detected by the sensor, the current thickness of the suction belt then the current gap size can be determined, which is the basis for an adjustment. This additionally simplifies and clarifies the setting.

In einer weiteren Ausführungsform umfasst die Saugbandeinheit mindestens einen Sensor zur Ermittlung des Abstandes zwischen jeder Pressscheibe und dem Schaberelement. Wie zu der vorgenannten Ausführungsform bereits angemerkt, ändert sich die Dicke des Saugbandes während der Lebensdauer. Mit dem vorgeschlagenen Sensor kann der aktuelle Abstand zwischen der Pressscheibe und dem Schaberelement ermittelt und daraus die aktuelle Banddicke errechnet werden. Auf der Basis dieses Ergebnisses kann eine resultierende und empfohlene Anpassung für die Spaltgröße angegeben werden. Dadurch wird die Einstellung zusätzlich vereinfacht und präzisiert.In a further embodiment, the suction belt unit comprises at least one sensor for determining the distance between each pressure disk and the Scraper element. As already noted in the aforementioned embodiment, the thickness of the suction belt changes during the service life. With the proposed sensor, the current distance between the dummy block and the scraper element can be determined and from this the current strip thickness can be calculated. Based on this result, a resulting and recommended gap size adjustment can be specified. This additionally simplifies and clarifies the setting.

Besonders bevorzugt ist die Saugbandeinheit an eine Steuer- und Regelungseinrichtung angeschlossen, wobei jeder Sensor mit der Steuer- und Regelungseinrichtung in Verbindung steht und die Steuer- und Regelungseinrichtung zum Anzeigen der von dem oder jedem Sensor ermittelten Informationen und/oder zum Errechnen und Anzeigen des einzustellenden Abstandes zwischen jeder Pressscheibe und dem Schaberelement auf einem der Saugbandeinheit zugeordneten Monitor ausgebildet und eingerichtet ist. Die Steuer-und Regelungseinrichtung kann Bestandteil der Saugbandeinheit oder einer anderen Vorrichtung/Maschine/Einheit zugeordnet sein. Entscheidend ist die Anbindung der Sensoren an die Steuer- und Regelungseinrichtung. Wenn der tatsächlich Wert des Spaltes oder der einzustellende Wert des Spaltes visualisiert wird, kann der Abstand manuell oder automatisch ohne Eingriff in den Betriebsraum und sogar online, also während des Betriebs der Anlage, eingestellt bzw. angepasst werden.Particularly preferably, the Saugbandeinheit is connected to a control and regulating device, each sensor is in communication with the control and regulating device and the control and regulating device for displaying the information determined by the or each sensor and / or for calculating and displaying the Distance between each dummy disk and the scraper element is formed and arranged on a monitor associated with the suction belt unit. The control and regulating device may be part of the Saugbandeinheit or another device / machine / unit assigned. Decisive is the connection of the sensors to the control and regulation device. If the actual value of the gap or the value of the gap to be set is visualized, the distance can be set or adjusted manually or automatically without intervention in the operating room and even online, ie during operation of the installation.

In einer bevorzugten Ausführungsform ist die Stelleinrichtung manuell verstellbar ausgebildet, derart, dass die Gewindestange aus dem Betriebsraum herausgeführt ist und an dem aus dem Betriebsraum ragenden Ende der Gewindestange ein skalierter Drehknopf angeordnet ist, mittels dem der gewünschte und/oder angezeigte Abstand jeder Pressscheibe in Bezug auf das Schaberelement einstellbar ist. Dies beschreibt eine baulich besonders einfache und platzsparende Ausführungsform, bei der die Bedienperson die angezeigten Werte durch Drehen am skalierten Drehknopf einstellen kann. Eine Variante zu dieser Ausführungsform ermöglicht es, dass auf der Basis des ermittelten Abstandes ein Einstellwert auf einem Display angezeigt wird, auf den die Bedienperson die Pressscheibe einstellen muss, indem der Drehknopf mithilfe der Skalierung auf den angezeigten Einstellwert gedreht wird.In a preferred embodiment, the adjusting device is designed to be manually adjustable, such that the threaded rod is led out of the operating room and at the projecting from the operating room end of the threaded rod a graduated knob is arranged by means of which the desired and / or displayed distance of each dummy disk with respect is adjustable to the scraper element. This describes a structurally particularly simple and space-saving embodiment in which the operator can set the displayed values by turning the scaled rotary knob. A variant of this embodiment makes it possible, on the basis of the determined distance, to display a setting value on a display, to which the operator must adjust the pressure plate by turning the rotary knob to the displayed setting value by means of the scaling.

Vorteilhafterweise umfasst das Betätigungsmittel eine weitere Betätigungsstange, die während des Betriebs von außen zugänglich ist und der ein Betätigungsknopf zugeordnet ist, mittels dem der Gleitkörper gegenüber dem Führungskörper in der eingestellten Position fixierbar und zum Einstellen des Abstandes lösbar ausgebildet und eingerichtet ist. Diese Betätigungsstange ist vor dem Verstellen ebenfalls manuell zu lösen und anschließend wieder zu fixieren, damit die eingestellte Position durch den Betrieb der Anlage gesichert wird. Diese Klemmung der eingestellten Position erhöht die Präzision der Einstellung.Advantageously, the actuating means comprises a further actuating rod, which is accessible from outside during operation and which is an actuating button is assigned, by means of which the sliding body relative to the guide body in the set position can be fixed and releasably designed and set to adjust the distance. This actuating rod is also manually to solve before adjusting and then fix again so that the set position is secured by the operation of the system. This clamping of the adjusted position increases the precision of the adjustment.

Eine besonders bevorzugte Ausführungsform ist dadurch gekennzeichnet, dass die Stelleinrichtung automatisch verstellbar ausgebildet ist, derart, dass der Gewindestange oder dem Exzenter ein Motor zugeordnet ist, dessen Betätigungsmittel außerhalb des Betriebsraumes angeordnet ist. Das Betätigungsmittel kann ein Schalter, eine Schaltfläche auf einem Monitor oder jedes andere den Motor auslösende Element sein. Durch die automatische Verstellung kann der Anpassvorgang beschleunigt und präziser ausgeführt werden.A particularly preferred embodiment is characterized in that the adjusting device is designed to be automatically adjustable, such that the threaded rod or the eccentric is associated with a motor whose actuating means is arranged outside the operating room. The actuating means may be a switch, a button on a monitor or any other engine triggering element. The automatic adjustment makes the fitting process faster and more precise.

Eine besonders vorteilhafte Weiterbildung sieht vor, dass der Motor an die Steuer-und Regelungseinrichtung angeschlossen ist, derart, dass der Motor über die Steuer- und Regelungseinrichtung mit dem oder jedem Sensor zur automatischen Anpassung des Abstandes zwischen jeder Pressscheibe und dem Schaberelement kommuniziert. Dadurch kann der Anpassvorgang vollautomatisch, also ohne Bedienperson, ausgeführt werden, was die Vereinfachung der Einstellung, also insbesondere die Beschleunigung und die Genauigkeit der Einstellung, weiter verbessert. Die vollautomatische Ausführungsform ermöglicht das individuelle und permanente Nachstellen jeder Pressscheibe bereits bei kleinsten Änderungen im Abstand von Pressscheibe zu Schaberelement und in der Dicke des Saugbandes, was zu einer verbesserten Qualität der zu erzeugenden Produkte führt, da der Abstand stets die optimale Größe aufweist.A particularly advantageous development provides that the motor is connected to the control and regulating device, such that the motor communicates via the control and regulating device with the or each sensor for automatically adjusting the distance between each pressing disc and the scraper element. As a result, the adjustment process can be carried out fully automatically, ie without an operator, which further improves the simplification of the setting, that is to say in particular the acceleration and the accuracy of the adjustment. The fully automatic embodiment allows the individual and permanent readjustment of each pressure disc even with the smallest changes in the distance from the pressure plate to scraper element and in the thickness of the suction belt, which leads to an improved quality of the products to be produced, since the distance always has the optimum size.

Zweckmäßigerweise ist der Motor ein Winkelantrieb. Damit lässt sich zum einen eine besonders kompakte Bauweise realisieren. Zum anderen hält der Winkelantrieb die Gewindestange in Position. Das bedeutet, dass die eingestellte Position, gleichbedeutend mit dem eingestellten, optimalen Abstand, gesichert wird, so dass auf eine zusätzliche, mechanische Fixierung des Gleitkörpers gegenüber dem Führungskörper verzichtet werden kann.Conveniently, the motor is an angle drive. This allows on the one hand to realize a particularly compact design. On the other hand, the angle drive holds the threaded rod in position. This means that the set position, equivalent to the set, optimal distance, is secured, so that can be dispensed with an additional, mechanical fixation of the slider relative to the guide body.

Die Aufgabe wird auch durch ein Verfahren mit den eingangs genannten Schritten dadurch gelöst, dass das Bedienen der Stelleinrichtung zum Einstellen des Abstandes von außerhalb des Betriebsraumes ausgeübt wird. Das bedeutet, dass manuell oder automatisch auf die Verstelleinrichtung eingewirkt werden kann, ohne den Betriebsraum zu öffnen.The object is also achieved by a method with the steps mentioned above in that the operation of the adjusting device for adjusting the distance from outside the operating room is exercised. This means that the adjusting device can be acted on manually or automatically without opening the operating room.

Vorzugsweise wird der Abstand zwischen jeder Pressscheibe und dem Schaberelement mittels eines Sensors gemessen, wobei eine Steuer- und Regelungseinrichtung aus dem Messwert die Dicke des Saugbandes und die daraus resultierende Position jeder Pressscheibe berechnet.Preferably, the distance between each dummy disk and the scraper element is measured by means of a sensor, wherein a control and regulating device calculates the thickness of the suction belt and the resulting position of each pressure disk from the measured value.

In einer ersten besonders einfachen Variante wird die resultierende Position jeder Pressscheibe angezeigt und durch eine Bedienperson manuell mittels eines außerhalb des Betriebsraumes angeordneten Betätigungsmittels, das mit der Stelleinrichtung innerhalb des Betriebsraumes in Wirkverbindung steht, eingestellt.In a first particularly simple variant, the resulting position of each dummy block is displayed and adjusted manually by an operator by means of an actuating means arranged outside the operating room, which is in operative connection with the actuating device within the operating room.

In einer weiteren besonders bevorzugten Variante wird die resultierende Position jeder Pressscheibe durch die Steuer- und Regelungseinrichtung an einen Motor weitergegeben, der die Stelleinrichtung automatisch betätigt.In a further particularly preferred variant, the resulting position of each dummy block is passed through the control and regulating device to a motor which automatically actuates the actuating device.

Eine besonders bevorzugte Weiterbildung ist dadurch gekennzeichnet, dass der eingestellte Abstand zwischen jeder Pressscheibe und dem Schaberelement während des Betriebs der Saugbandeinheit kontinuierlich konstant gehalten wird.A particularly preferred development is characterized in that the set distance between each dummy disk and the doctoring element is kept continuously constant during operation of the suction belt unit.

Die Saugbandeinheit nach einem der Ansprüche 1 bis 10 eignet sich besonders zur Durchführung des Verfahrens.The suction belt unit according to one of claims 1 to 10 is particularly suitable for carrying out the method.

Die sich aus dem erfindungsgemäßen Verfahren ergebenden Vorteile wurden bereits im Zusammenhang mit der Saugbandeinheit beschrieben, weshalb zur Vermeidung von Wiederholungen auf die entsprechenden Passagen verwiesen wird.The advantages resulting from the method according to the invention have already been described in connection with the suction belt unit, for which reason reference is made to the corresponding passages in order to avoid repetition.

Weitere zweckmäßige und/oder vorteilhafte Merkmale und Weiterbildungen sowie bevorzugte Verfahrensschritte ergeben sich aus den Unteransprüchen und der Beschreibung. Besonders bevorzugte Ausführungsformen der Einheit sowie das Verfahren werden anhand der beigefügten Zeichnung näher erläutert. In der Zeichnung zeigt:

Fig. 1
eine schematische Darstellung eines Ausschnitts der Saugbandeinheit in perspektivische Ansicht,
Fig. 2
eine schematische Darstellung der erfindungsgemäßen Stelleinrichtung mit außenliegenden Betätigungsmitteln,
Fig. 3
eine schematische Darstellung einer manuellen Steuerung der Stelleinrichtung,
Fig. 4
eine schematische Darstellung der erfindungsgemäßen Stelleinrichtung mit Motor,
Fig. 5
eine schematische Darstellung eines Ausschnitts der Saugbandeinheit mit eingebautem Motor in perspektivische Ansicht,
Fig. 6
eine schematische Darstellung einer automatischen Steuerung der Stelleinrichtung, und
Fig. 7
eine schematische Darstellung einer höhenverstellbaren Pressscheibe der Saugbandeinheit.
Further expedient and / or advantageous features and further developments as well as preferred method steps emerge from the subclaims and the description. Particularly preferred embodiments of the unit and the method will be explained in more detail with reference to the accompanying drawings. In the drawing shows:
Fig. 1
a schematic representation of a section of the Saugbandeinheit in perspective view,
Fig. 2
a schematic representation of the adjusting device according to the invention with external actuating means,
Fig. 3
a schematic representation of a manual control of the adjusting device,
Fig. 4
a schematic representation of the adjusting device according to the invention with motor,
Fig. 5
a schematic representation of a section of the Saugbandeinheit with built-in motor in perspective view,
Fig. 6
a schematic representation of an automatic control of the adjusting device, and
Fig. 7
a schematic representation of a height-adjustable dummy disc of Saugbandeinheit.

Die in der Zeichnung dargestellte Saugbandeinheit ist zum Transportieren von Tabakmaterial ausgebildet und eingerichtet, wobei der Abstand zwischen der Pressscheibe und dem Schaberelement, also die Spaltgröße, manuell oder automatisch einstellbar ist. Die Erfindung bezieht sich in gleicher Weise auf Saugbandeinheiten, die anderes Material der Tabak verarbeitenden Industrie, also beispielsweise Filtermaterial oder Mischungen aus Tabak und Filtermaterial, zu Zwecken der Strangbildung transportieren.The suction belt unit shown in the drawing is designed and arranged for transporting tobacco material, wherein the distance between the pressure plate and the scraper element, so the gap size, manually or automatically adjustable. The invention relates in the same way to Saugbandeinheiten, the other material of the tobacco-processing industry, so for example, filter material or mixtures of tobacco and filter material, transport for purposes of strand formation.

In der Figur 1 ist eine Saugbandeinheit 10 dargestellt, die zum Transportieren von Tabak in einem Saugstrangförderer der Tabak verarbeitenden Industrie ausgebildet und eingerichtet ist. Die Saugbandeinheit 10 umfasst ein Gehäuse 11 zur Bildung eines geschlossenen Betriebsraumes 12. Im Betriebsraum 12 sind ein endlos umlaufendes Saugband 13, mittels dem der Tabak von einem Einlaufbereich E der Saugbandeinheit 10 in einen Auslaufbereich A der Saugbandeinheit 10 transportiert wird, mehrere am Gehäuse 11 angeordnete Umlenkelemente 14, um die das Saugband 13 geführt ist, und mindestens eine Unterdruckeinheit 15 zum Halten des Tabaks am Saugband 13 angeordnet. Das Saugband 13 weist einen nach unten weisenden Transportabschnitt 16 auf, an den der Tabak aufgeschauert wird. Über die gesamte Strecke bzw. Länge des Transportabschnittes 16 vom Einlaufbereich E bis zum Auslaufbereich A erstreckt sich die Unterdruckeinheit 15, die der besseren Übersicht halber in der Figur 1 nur teilweise dargestellt ist. Mindestens eines der Umlenkelemente 14 ist als Antriebselement 17 für das Saugband 13 und mindestens ein weiteres Umlenkelement 14 ist als Pressscheibe 18 ausgebildet. Jeder Pressscheibe 18, die im Auslaufbereich A der Saugbandeinheit 10 angeordnet ist, ist ein beabstandet zur Pressscheibe 18 angeordnetes Schaberelement 19 zugeordnet, wobei jede Pressscheibe 18 zur Veränderung des Abstandes gegenüber dem Schaberelement 19 mittels einer Stelleinrichtung 20 verstellbar ausgebildet ist. Die Stelleinrichtung 20 ist auch innerhalb des Betriebsraumes 12 angeordnet.In the FIG. 1 there is shown a suction belt unit 10 adapted and arranged for transporting tobacco in a suction belt conveyor of the tobacco processing industry. The suction belt unit 10 comprises a housing 11 for forming a closed operating space 12. In the operating room 12, an endlessly circulating suction belt 13, by means of which the tobacco is transported from an inlet region E of the suction belt unit 10 into a discharge region A of the suction belt unit 10 is arranged a plurality of arranged on the housing 11 deflecting elements 14 around which the suction belt 13 is guided, and at least one vacuum unit 15 for holding the tobacco on the suction belt 13. The suction belt 13 has a downwardly facing transport section 16, to which the tobacco is aufauert. Over the entire distance or length of the transport section 16 from the inlet region E to the outlet region A, the vacuum unit 15 extends, the sake of clarity in the FIG. 1 only partially shown. At least one of the deflection elements 14 is designed as a drive element 17 for the suction belt 13 and at least one further deflection element 14 is formed as a pressure plate 18. Each pressure plate 18, which is arranged in the outlet region A of the suction belt unit 10, is associated with a scraper element 19 arranged at a distance from the pressure plate 18, wherein each pressure plate 18 is adjustable to change the distance relative to the scraper element 19 by means of an adjusting device 20. The adjusting device 20 is also arranged within the operating room 12.

Diese Saugbandeinheit 10 zeichnet sich erfindungsgemäß dadurch aus, dass Betätigungsmittel 21 zum Betätigen der Stelleinrichtung 20 für das Verstellen des Abstandes zwischen jeder Pressscheibe 18 und dem Schaberelement 19 außerhalb des Betriebsraumes 12 angeordnet sind.According to the invention, this suction belt unit 10 is characterized in that actuating means 21 for actuating the adjusting device 20 for adjusting the distance between each pressing disk 18 and the scraper element 19 are arranged outside the operating space 12.

Die im Folgenden beschriebenen Merkmale und Weiterbildung stellen für sich betrachtet oder in Kombination miteinander bevorzugte Ausführungsformen dar. Es wird ausdrücklich darauf hingewiesen, dass Merkmale, die in den Ansprüchen und/oder der Beschreibung und/oder der Zeichnung zusammengefasst oder in einer gemeinsamen Ausführungsform beschrieben sind, auch funktional eigenständig die weiter oben beschriebene Saugbandeinheit 10 weiterbilden können.The features and further development described below represent individually or in combination with each other preferred embodiments. It is expressly understood that features that are summarized in the claims and / or the description and / or the drawings or described in a common embodiment , even functionally independently can further develop the suction belt unit 10 described above.

Das Gehäuse 11 kann ein allseitig geschlossenes System sein, wobei bevorzugt eine Seite, nämlich die Vorderseite, zu öffnen ist. Allseitig geschlossen bedeutet, dass mit Ausnahme der Unterseite, an der das Saugband 13 mit der Unterdruckeinheit 14 den Betriebsraum 12 begrenzt, alle Seiten mit den Zugriff/Eingriff verhindernden Wandelementen oder dergleichen zur Bildung des Betriebsraumes 12 geschlossen sind. Bevorzugt ist eine Vorderwand des Gehäuses 11 als Klappdeckel ausgebildet und transparent, so dass eine Überwachung des Betriebsraumes 12 erleichtert ist. Selbstverständlich sind andere Gehäusekonstruktionen ebenfalls einsetzbar.The housing 11 may be a system closed on all sides, wherein preferably one side, namely the front side, is to be opened. Closed on all sides means that with the exception of the underside, at which the suction belt 13 with the vacuum unit 14 limits the operating space 12, all sides are closed with the access / engagement preventing wall elements or the like to form the operating space 12. Preferably, a front wall of the housing 11 is designed as a hinged lid and transparent, so that monitoring of the operating room 12 is facilitated. Of course, other housing designs are also applicable.

In der als bevorzugt beschriebenen Ausführungsform umfasst die Stelleinrichtung 20 einen Führungskörper 22 und einen relativ zum Führungskörper 22 bewegbaren Gleitkörper 23. Jede Pressscheibe 18 ist dem Gleitkörper 23 zugeordnet, derart, dass eine Bewegung des Gleitkörpers 23 zwangsläufig zu der Bewegung jeder Pressscheibe 18 führt. Der Führungskörper 22 ist bevorzugt fest mit dem Gehäuse 11 verbunden. Die Verbindung kann unlösbar oder lösbar, z.B. mittels Schrauben, hergestellt sein. Vorzugsweise ist der Führungskörper 22 an einer Rückwand 24 des Gehäuses 11 montiert. Der Gleitkörper 23 ist linear und vertikal entlang von Führungsnuten, Führungsschienen oder dergleichen bewegbar ausgebildet, so dass die an einem freien Ende des Gleitkörpers 23 angeordnete Pressscheibe 18 - oder zwei oder mehr Pressscheiben - auf das Schaberelement 19 zu oder von diesem weg bewegbar ist. Das Betätigungsmittel 21 zum Verändern der Position des Gleitkörpers 23 relativ zum Führungskörper 22 umfasst eine von außerhalb des Betriebsraums 12 betätigbare Gewindestange 25, die mit dem Gleitkörper 23 in Wirkverbindung steht. Die Gewindestange 25, also jede Art Stange, mittels der durch Drehung eine Kraft auf den Gleitkörper 23 aufbringbar ist, ist mit einem Ende an einen äußeren Rand des Gehäuses 11 oder aus dem Gehäuse 11 heraus geführt, so dass bezogen auf das Gehäuse 11 außenliegende Betätigungsmittel 21 mit der Gewindestange 25 zusammenwirken können. Anstelle der Gewindestange 25 kann auch ein Exzenter vorgesehen sein. Der Exzenter ist entsprechend von außen mittels geeigneter Übertragungsorgane betätigbar.In the embodiment described as preferred, the actuator 20 comprises a guide body 22 and a slider 23 movable relative to the guide body 22. Each presser plate 18 is associated with the slider 23 such that movement of the slider 23 inevitably results in the movement of each presser plate 18. The guide body 22 is preferably fixedly connected to the housing 11. The compound may be insoluble or soluble, e.g. be made by means of screws. Preferably, the guide body 22 is mounted on a rear wall 24 of the housing 11. The slider 23 is formed to be linearly and vertically movable along guide grooves, guide rails or the like so that the dummy block 18 - or two or more dummy plates arranged at a free end of the slider 23 - is movable toward or away from the doctor blade 19. The actuating means 21 for changing the position of the slider 23 relative to the guide body 22 comprises an actuatable from outside the operating space 12 threaded rod 25 which is in operative connection with the sliding body 23. The threaded rod 25, so each type of rod by means of a force by rotation on the slider 23 can be applied, is guided with one end to an outer edge of the housing 11 or out of the housing 11, so that with respect to the housing 11 external actuating means 21 can interact with the threaded rod 25. Instead of the threaded rod 25 may also be provided an eccentric. The eccentric is accordingly operable from the outside by means of suitable transmission elements.

Optional umfasst die Saugbandeinheit 10 mindestens einen nicht explizit dargestellten Sensor zur Ermittlung der Dicke des Saugbandes 13. Die Anzahl solcher Sensoren und deren Position können variieren. In einer weiteren Ausführungsform kann die Saugbandeinheit 10 alternativ oder kumulativ zum erst genannten Sensor mindestens einen weiteren Sensor 26 zur Ermittlung des Abstandes zwischen jeder Pressscheibe 18 und dem Schaberelement 19 umfassen. Jeder Sensor 26 zur Ermittlung bzw. Messung des Abstandes ist entsprechend im Auslaufbereich der Saugbandeinheit 10 angeordnet. Sowohl mit dem Sensor zur Ermittlung der Dicke des Saugbandes 13 als auch mit dem Sensor 26 zur Ermittlung des Abstandes, mit dem Sensor 26 zur Ermittlung des Abstandes lässt sich im Übrigen auch die Dicke des Saugbandes 13 ermitteln, lassen sich empfohlene Einstellungen jeder Pressscheibe 18 gegenüber dem Schaberelement 19 gewinnen.Optionally, the suction belt unit 10 comprises at least one not explicitly shown sensor for determining the thickness of the suction belt 13. The number of such sensors and their position may vary. In a further embodiment, the suction belt unit 10 may comprise, alternatively or cumulatively to the first-mentioned sensor, at least one further sensor 26 for determining the distance between each press disk 18 and the scraper element 19. Each sensor 26 for determining or measuring the distance is correspondingly arranged in the outlet region of the suction belt unit 10. Both with the sensor for determining the thickness of the suction belt 13 and with the sensor 26 for determining the distance, with the sensor 26 for determining the distance can be determined Incidentally, the thickness of the suction belt 13, can be recommended settings of each dummy block 18 against the scraper element 19 win.

Besonders bevorzugt ist eine Ausführungsform (siehe insbesondere die Figuren 3 und 6), bei denen die Saugbandeinheit 10 an eine Steuer- und Regelungseinrichtung 27 angeschlossen ist. Jeder Sensor 26 steht mit der Steuer- und Regelungseinrichtung 27 in Verbindung. Die Steuer- und Regelungseinrichtung 27 ist zum Anzeigen der von dem oder jedem Sensor 26 ermittelten Informationen und/oder zum Errechnen und Anzeigen des einzustellenden Abstandes zwischen jeder Pressscheibe 18 und dem Schaberelement 19 auf einem der Saugbandeinheit 10 zugeordneten Monitor 28 ausgebildet und eingerichtet. Mit anderen Worten misst der Sensor 26 beispielsweise den Abstand zwischen Saugband 13 und Pressscheibe 18 und liefert diese Information an die Steuer- und Regelungseinrichtung 27. Die Steuer- und Regelungseinrichtung 27 berechnet daraus die Dicke des Saugbandes 13 und die daraus resultierende empfohlene Einstellung der Pressscheibe 18. Diese Information wird dann an eine Visualisierung, beispielsweise den Monitor 28, ausgegeben.Particularly preferred is an embodiment (see in particular the Figures 3 and 6 ), in which the suction belt unit 10 is connected to a control and regulating device 27. Each sensor 26 is connected to the control and regulation device 27 in conjunction. The control and regulation device 27 is designed and set up for displaying the information determined by the or each sensor 26 and / or for calculating and displaying the distance to be set between each pressing disk 18 and the scraper element 19 on a monitor 28 associated with the suction belt unit 10. In other words, the sensor 26 measures, for example, the distance between the suction belt 13 and the pressure plate 18 and supplies this information to the control and regulating device 27. The control and regulating device 27 calculates the thickness of the suction belt 13 and the resulting recommended setting of the pressure plate 18 This information is then output to a visualization, such as the monitor 28.

Die Verwertung dieser Information kann auf unterschiedliche Weise erfolgen. In einer Variante ist die Stelleinrichtung 20 manuell verstellbar ausgebildet, derart, dass die Gewindestange 25 aus dem Betriebsraum 12 herausgeführt ist und an dem aus dem Betriebsraum 12 ragenden Ende der Gewindestange 25 ein skalierter Drehknopf 29 angeordnet ist, mittels dem der gewünschte und/oder angezeigte Abstand jeder Pressscheibe 18 in Bezug auf das Schaberelement 19 einstellbar ist. Der Drehknopf 29 kann auch einem aus dem Betriebsraum 12 herausragenden Übertragungsorgan für den Exzenter zugeordnet sein. Eine Bedienperson kann die Pressscheibe 18 bei Bedarf auf den angezeigten Abstand einstellen. Vorzugsweise umfasst das Betätigungsmittel 21 eine weitere Betätigungsstange 30, die während des Betriebs der Saugbandeinheit 10 von außen zugänglich ist. Der Betätigungsstange 30 ist ein Betätigungsknopf 31 zugeordnet, mittels dem der Gleitkörper 23 gegenüber dem Führungskörper 22 ohne Umbaumaßnahmen und permanent zugänglich in der eingestellten Position fixierbar und zum Einstellen des Abstandes lösbar ausgebildet und eingerichtet ist. Ein solcher Klemmmechanismus stellt sicher, dass die eingestellte Position während des Betriebs der Anlage fixiert ist. Die Betätigungsstange 30 kann wie die Gewindestange 25 ausgebildet sein. Als Betätigungsknopf 31 ist beispielsweise ein Drehknopf vorgesehen.The utilization of this information can be done in different ways. In a variant, the adjusting device 20 is manually adjustable, such that the threaded rod 25 is led out of the operating room 12 and at the projecting from the operating room 12 end of the threaded rod 25, a graduated knob 29 is arranged by means of the desired and / or displayed Distance of each press plate 18 with respect to the scraper element 19 is adjustable. The knob 29 may also be assigned to a protruding from the operating room 12 transmission member for the eccentric. An operator may adjust the pressure plate 18 to the displayed distance as needed. Preferably, the actuating means 21 comprises a further actuating rod 30, which is accessible from the outside during operation of the Saugbandeinheit 10. The actuating rod 30 is associated with an actuating button 31, by means of which the slider 23 relative to the guide body 22 without conversion measures and permanently accessible in the set position can be fixed and releasably designed and set for adjusting the distance. Such a clamping mechanism ensures that the set position is fixed during operation of the system. The actuating rod 30 may be formed like the threaded rod 25. As a control knob 31, for example, a knob is provided.

In einer weiteren Variante ist die Stelleinrichtung 20 automatisch verstellbar ausgebildet, derart, dass der Gewindestange 25 oder dem Exzenter ein Motor 32 zugeordnet ist, dessen Betätigungsmittel 21 außerhalb des Betriebsraumes 12 angeordnet ist. In der dargestellten Ausführungsform ist die Gewindestange 25 in dem Führungskörper 22 angeordnet. Der Führungskörper 22 mit der Gewindestange 25 ist im Gehäuse 11 angeordnet und ragt z.B. aus dem Betriebsraum 12 heraus. Der Motor 32 ist außerhalb des Gehäuses 11 platziert und an die Gewindestange 25 angeschlossen. Der Motoranschluss kann auch in den Betriebsraum 12 hineinragen. Als Betätigungsmittel 21 kann ein einfacher Schalter dienen. Das Betätigungsmittel 21 kann aber auch eine Schaltfläche auf einem Display sein. Besonders bevorzugt ist der Motor 32 an die Steuer-und Regelungseinrichtung 27 angeschlossen, derart, dass der Motor 32 über die Steuer- und Regelungseinrichtung 27 mit dem oder jedem Sensor 26 zur automatischen Anpassung des Abstandes zwischen jeder Pressscheibe 18 und dem Schaberelement 19 kommuniziert. In diesem Fall erfolgt die Anpassung des Abstandes automatisch und unabhängig von einer Bedienperson, indem die von der Steuer- und Regelungseinrichtung 27 empfohlene Pressscheibenstellung automatisch an den Motor 32 weitergeleitet und von diesem umgesetzt wird. Die visuelle Anzeige auf dem Monitor 32 ist optional. In einer Weiterbildung ist der Motor 32 ein Winkelantrieb 33. Der Winkelantrieb 33 ist platzsparend außerhalb des Gehäuses 11 angeordnet und über ein Anschlusselement mit der Gewindestange 25 verbunden. Andere Antriebsarten, Motoren, Motor-/Getriebekombinationen sind aber ebenfalls einsetzbar. Es ist auch möglich, einen Antrieb zum Verstellen des Abstandes in dem Gehäuse 11 vorzusehen, der mittels der Steuer- und Regelungseinrichtung 27 ohne Eingriff in den Betriebsraum 12 eine vollautomatische Anpassung des Abstandes sicherstellt, in dem die Anlage und genauer die Steuer- und Regelungseinrichtung 27 von außerhalb des Betriebsraumes 12 betätigt wird.In a further variant, the adjusting device 20 is automatically adjustable, such that the threaded rod 25 or the eccentric motor 32 is assigned, the actuating means 21 outside of the operating room 12th is arranged. In the illustrated embodiment, the threaded rod 25 is disposed in the guide body 22. The guide body 22 with the threaded rod 25 is arranged in the housing 11 and projects, for example, out of the operating room 12. The motor 32 is placed outside the housing 11 and connected to the threaded rod 25. The motor connection can also protrude into the operating room 12. As actuating means 21 may serve a simple switch. The actuating means 21 can also be a button on a display. Particularly preferably, the motor 32 is connected to the control and regulating device 27, such that the motor 32 communicates via the control and regulating device 27 with the or each sensor 26 for automatically adjusting the distance between each pressing disc 18 and the scraper element 19. In this case, the adjustment of the distance takes place automatically and independently of an operator by the 27 recommended by the control and regulating device pinch position is automatically forwarded to the motor 32 and implemented by this. The visual display on the monitor 32 is optional. In a development, the motor 32 is an angle drive 33. The angle drive 33 is arranged to save space outside the housing 11 and connected via a connecting element with the threaded rod 25. Other types of drives, motors, engine / gearbox combinations are also used. It is also possible to provide a drive for adjusting the distance in the housing 11, which ensures by means of the control and regulating device 27 without intervention in the operating space 12, a fully automatic adjustment of the distance in which the system and more precisely the control and regulation device 27th is operated from outside the operating room 12.

Optional ist die Saugbandeinheit 10 dazu ausgebildet und eingerichtet, eine Pressscheibenhöhenverstellung vorzusehen. Anders ausgedrückt ist die oder jede Pressscheibe 18 in mindestens einer Achse (z.B. der X-Achse), vorzugsweise jedoch in mindestens zwei Achsen (z.B. der X-Achse und der Y-Achse), verstellbar ausgebildet (siehe insbesondere Figur 7). Die Position bzw. Höhe der Pressscheibe 18 hat einen starken Einfluss auf den so genannten Kopfausfall und hängt u.a. von der Tabaksorte, der Tabakqualität und anderen Parametern ab. Anders ausgedrückt kann die Höhe der Pressscheibe 18 individuell an die genannten Parameter angepasst werden. Zur Höhenverstellung ist jede Pressscheibe 18 manuell oder automatisch in linearer Richtung entlang der X-Achse und/oder Y-Achse verstellbar ausgebildet. Zunächst wird die Pressscheibenhöhe über die X-Achse, die senkrecht zum Strang verläuft, eingestellt, derart, dass die Pressscheibe 18 den formatabhängigen Abstand C (Dicke des Tabakstrangs) und einen konstanten Abstand D zum Schaberelement 19 (Spaltgröße zwischen Pressscheibe 18 und Schaberelement 19) aufweist. Im Betrieb kann dann über die Verstellung entlang der Y-Achse, die parallel zum Schaberelement 19 verläuft, die Pressscheibenhöhe C1 eingestellt werden. Durch die parallele Führung zum Schaberelement 19 entlang der Y-Achse bleibt der Abstand D bei sich verändernder Höhe konstant. Diese Höhenverstellung der Pressscheibe 18 kann vorzugsweise auch im Betrieb der Saugbandeinheit 10 ausgeführt werden. Die (nicht explizit dargestellten) Stelleinrichtung(en) zum Verstellen der Pressscheibe 18 in X-Richtung und/oder Y-Richtung ist/sind vorzugsweise an die Steuer- und Regelungseinrichtung 27 angeschlossen.Optionally, the suction belt unit 10 is designed and arranged to provide a pressure washer height adjustment. In other words, the or each dummy wheel 18 is adjustably formed in at least one axis (eg the X-axis), but preferably in at least two axes (eg the X-axis and the Y-axis) (see in particular FIG FIG. 7 ). The position or height of the pressure plate 18 has a strong influence on the so-called head failure and depends inter alia on the type of tobacco, the tobacco quality and other parameters. In other words, the height of the pressure plate 18 can be adapted individually to the mentioned parameters. To adjust the height, each pressure plate 18 is designed to be adjustable manually or automatically in the linear direction along the X-axis and / or Y-axis. First, the pressure disc height over the X-axis, which is perpendicular to the strand, set such that the pressure plate 18 is the format-dependent distance C (thickness of the tobacco rod) and a constant distance D to the scraper element 19 (gap size between the pressure plate 18 and scraper element 19). During operation, the pressure plate height C1 can then be adjusted via the adjustment along the Y-axis, which runs parallel to the scraper element 19. Due to the parallel guidance to the scraper element 19 along the Y-axis, the distance D remains constant with changing height. This height adjustment of the pressure plate 18 can preferably also be carried out during operation of the suction belt unit 10. The (not explicitly shown) adjusting device (s) for adjusting the pressure plate 18 in the X direction and / or Y direction is / are preferably connected to the control and regulation device 27.

Optional umfasst die Saugbandeinheit 10 eine (nicht explizit dargestellte) Einrichtung zur Ermittlung der Presskraft der oder jeder Pressscheibe 18. Die Presskraft (also der vorhandene Verdichtungsdruck auf den Tabakstrang) hat ebenfalls einen starken Einfluss auf den so genannten Kopfausfall. Die Einrichtung zur Ermittlung der Presskraft kann z.B. Sensoren oder dergleichen umfassen. Eine besonders bevorzugte Ausführungsform sieht vor, dass die Ermittlung bzw. Messung der Presskraft über eine Lagerung der oder jeder Pressscheibe 18 erfolgt. Dazu kann ein so genanntes "Bearing Monitoring System" eingesetzt werden, welches über die Ausbreitung von Schwingungen im Außenring der Lagerung den mechanischen Belastungszustand ermitteln kann. Andere Komponenten zur Ermittlung einer Presskraft sind ebenfalls einsetzbar. Bevorzugt ist die Einrichtung zur Ermittlung der Presskraft an die Steuer-und Regelungseinrichtung 27 angeschlossen. Wenn die Presskraft im Betrieb der Saugbandeinheit 10 ermittelt wird, kann die Presskraft z.B. über die zuvor beschriebene Pressscheibenhöhenverstellung, wahlweise manuell oder automatisch, vorzugsweise mittels der Steuer- und Regelungseinrichtung 27 im optimalen Bereich gesteuert bzw. geregelt werden.Optionally, the suction belt unit 10 comprises a (not explicitly shown) means for determining the pressing force of the or each press plate 18. The pressing force (ie the existing compression pressure on the tobacco rod) also has a strong influence on the so-called head failure. The means for determining the pressing force may be e.g. Sensors or the like include. A particularly preferred embodiment provides that the determination or measurement of the pressing force takes place via a bearing of the or each pressure plate 18. For this purpose, a so-called "Bearing Monitoring System" can be used, which can determine the mechanical load condition via the propagation of vibrations in the outer ring of the bearing. Other components for determining a pressing force can also be used. The device for determining the pressing force is preferably connected to the control and regulation device 27. When the pressing force is detected in the operation of the suction belt unit 10, the pressing force can be adjusted e.g. be controlled or regulated by the control and regulation device 27 in the optimum range via the above-described pressure plate height adjustment, either manually or automatically.

Im Folgenden wird das erfindungsgemäße Verfahrensprinzip anhand der Zeichnung näher erläutert.
Das Verfahren betrifft das Transportieren von Tabak in einem Saugstrangförderer der Tabak verarbeitenden Industrie, insbesondere mit einer Saugbandeinheit 10 nach einem der Ansprüche 1 bis 10. Der Tabak wird mittels eines Saugbandes 13, das in einem geschlossenen Betriebsraum 12 eines Gehäuses 11 einer Saugbandeinheit 10 angeordnet ist, von einem Einlaufbereich der Saugbandeinheit 10 zu einem Auslaufbereich der Saugbandeinheit 10 transportiert. Beim Transport des Tabaks vom Einlaufbereich bis zum Auslaufbereich wird der Tabak mittels einer Unterdruckeinheit 15, die ebenfalls in dem Betriebsraum 12 angeordnet ist, am Saugband 13 gehalten. Im Auslaufbereich wird der Tabak mittels eines Schaberelementes 19 vom Saugband 13 gestreift. Zwischen dem Schaberelement 19 und mindestens einer Pressscheibe 18, um die das Saugband 13 im Auslaufbereich geführt ist, besteht ein Abstand, dessen Größe bei Bedarf mittels einer Stelleinrichtung 20, die sich innerhalb des Betriebsraumes 12 befindet, eingestellt wird. Das Einstellen des Abstandes ist beim Transport des Tabaks ein wesentlicher Aspekt, da die Qualität der herzustellenden Produkte wesentlich von der optimalen Größe des Abstandes abhängt.
In the following, the method principle according to the invention will be explained in more detail with reference to the drawing.
The method relates to the transport of tobacco in a Saugstrangförderer the tobacco processing industry, in particular with a Saugbandeinheit 10 according to any one of claims 1 to 10. The tobacco is by means of a suction belt 13, which is arranged in a closed operating space 12 of a housing 11 of a Saugbandeinheit 10 , transported from an inlet region of the suction belt unit 10 to a discharge region of the suction belt unit 10. When transporting tobacco from Inlet area to the outlet area of the tobacco by means of a vacuum unit 15, which is also arranged in the operating room 12, held on the suction belt 13. In the outlet region of the tobacco is scraped by a scraper element 19 from the suction belt 13. Between the scraper element 19 and at least one pressing plate 18, around which the suction belt 13 is guided in the outlet region, there is a distance, the size of which is adjusted if necessary by means of an adjusting device 20 which is located within the operating space 12. The adjustment of the distance is an essential aspect when transporting the tobacco, since the quality of the products to be produced depends essentially on the optimum size of the distance.

Dieses Verfahren zeichnet sich erfindungsgemäß dadurch aus, dass das Bedienen der Stelleinrichtung 20 zum Einstellen des Abstandes von außerhalb des Betriebsraumes 12 ausgeübt wird. Das bedeutet, dass ein Eingriff in den Betriebsraum 12, vermieden wird und somit eine einfache und schnelle Einstellung des Abstandes ermöglicht ist.This method is inventively characterized in that the operation of the adjusting device 20 is applied to adjust the distance from outside the operating room 12. This means that an intervention in the operating room 12, is avoided and thus a simple and quick adjustment of the distance is possible.

Bevorzugt wird der Abstand zwischen jeder Pressscheibe 18 und dem Schaberelement 19 mittels eines Sensors 26 gemessen, wobei eine Steuer- und Regelungseinrichtung 27 aus dem Messwert die Dicke des Saugbandes 13 und die daraus resultierende Position jeder Pressscheibe 18 berechnet. Anstelle des Abstandes kann auch die Dicke des Saugbandes 13 überwacht werden, wobei eine Reduzierung der Dicke einhergeht mit einer Vergrößerung des Abstandes. Für eine besonders einfache und leichte Handhabung wird die resultierende Position jeder Pressscheibe 18 angezeigt, beispielsweise auf einem Monitor 32, und durch eine Bedienperson manuell mittels eines außerhalb des Betriebsraumes 12 angeordneten Betätigungsmittels 21, das mit der Stelleinrichtung 20 innerhalb des Betriebsraumes 12 in Wirkverbindung steht, eingestellt.Preferably, the distance between each pressing disc 18 and the scraper element 19 is measured by means of a sensor 26, wherein a control and regulating device 27 calculates the thickness of the suction belt 13 and the resulting position of each pressure plate 18 from the measured value. Instead of the distance, the thickness of the suction belt 13 can be monitored, wherein a reduction of the thickness is accompanied by an increase in the distance. For a particularly simple and easy handling, the resulting position of each dummy block 18 is displayed, for example on a monitor 32, and manually by an operator by means of an operating means 21 arranged outside the operating room 12, which is in operative connection with the actuator 20 within the operating room 12, set.

Ein konkretes Beispiel für eine manuelle Verstellung des Abstandes wird im Folgenden beschrieben. Jede Pressscheibe 18 wird über die Gewindestange 25 auf einen optimalen Abstand zum Schaberelement 19, beispielsweise einem Fingerschaber, eingestellt. Anschließend wird eine skalierte Hülse des Drehknopfes 29 so positioniert, dass die auf der Hülse befindliche Skalierung mit der "1" nach vorne weist. In dieser Position wird die Hülse mit dem Drehknopf an der Gewindestange 25 fixiert. Über den Umfang der Hülse verteilt befinden sich senkrechte Nuten, in die eine federbeaufschlagte Kugel von der Seite aus hineingedrückt wird. Wird die Gewindestange 25 zum Verstellen der Pressscheibe 18 gedreht, rastet diese Kugel in die Nuten der Hülse ein. An diesen Positionen sind zur Skalierung passend Ziffern am Umfang eingebracht, die einer Bedienperson zeigen, an welcher Position sich die Pressscheibe 18 jeweils befindet.A concrete example of a manual adjustment of the distance is described below. Each dummy block 18 is adjusted via the threaded rod 25 to an optimum distance from the doctor element 19, for example a finger scraper. Subsequently, a scaled sleeve of the rotary knob 29 is positioned so that the scale located on the sleeve with the "1" points forward. In this position, the sleeve is fixed with the knob on the threaded rod 25. Distributed over the circumference of the sleeve are vertical grooves, in which a spring-loaded ball is pressed in from the side. If the threaded rod 25 is rotated to adjust the pressure plate 18, this ball snaps in the grooves of the sleeve. At these positions, digits on the circumference are suitably inserted for scaling, which show an operator at which position the pressure plate 18 is located in each case.

Besonders bevorzugt wird die von der Steuer- und Regelungseinrichtung 27 errechnete resultierende Position jeder Pressscheibe 18 durch die Steuer- und Regelungseinrichtung 27 an einen Motor 32 weitergegeben, der die Stelleinrichtung 20 automatisch betätigt. Der Motor 32 treibt die Gewindestange 25, die mit dem Gleitkörper 23, an dem jede Pressscheibe 18 angeordnet ist, zum Verändern des Abstandes an. Der Motor 32 wird dabei ohne Eingriff einer Bedienperson direkt von der Steuer- und Regelungseinrichtung 27 betätigt. Für den Fall, dass der Motor 32 durch eine Bedienperson betätigt wird, kann ein Schalter außerhalb des Betriebsraumes 12 angeordnet sein, oder es ist eine externe Schaltfläche, beispielsweise auf einem "Touch-screen" vorgesehen. Besonders bevorzugt wird der eingestellte Abstand zwischen jeder Pressscheibe 18 und dem Schaberelement 19 während des Betriebs der Saugbandeinheit 10 kontinuierlich konstant gehalten. Mit anderen Worten stellt der Motor 32 jederzeit, auch schon bei kleinsten Änderungen im kontinuierlich überwachten Abstand, also bei kleinsten Änderungen der Dicke des Saugbandes 13, diesen Abstand automatisch nach.Particularly preferably, the calculated by the control and regulating device 27 resulting position of each pressure plate 18 is passed through the control and regulating device 27 to a motor 32 which actuates the actuating device 20 automatically. The motor 32 drives the threaded rod 25 provided with the slider 23 to which each presser plate 18 is arranged to vary the distance. The motor 32 is operated without intervention of an operator directly from the control and regulation device 27. In the event that the motor 32 is operated by an operator, a switch may be located outside of the operating room 12 or an external button may be provided, for example on a "touch-screen". Particularly preferably, the set distance between each pressing disk 18 and the scraper element 19 is kept continuously constant during operation of the suction belt unit 10. In other words, the motor 32 at any time, even with the smallest changes in the continuously monitored distance, ie with the smallest changes in the thickness of the suction belt 13, this distance automatically after.

Besonders eignet sich die zuvor beschriebene Saugbandeinheit 10 zum Durchführen des Verfahrens.In particular, the suction belt unit 10 described above is suitable for carrying out the method.

Claims (15)

  1. Suction tape unit (10), configured and adapted for transporting tobacco in a suction rod conveyor of the tobacco-processing industry, comprising a housing (11) for forming a closed operating area (12), wherein arranged in the operating area (12) are a continuously rotating suction tape (13), by means of which tobacco is transported from an infeed area of the suction tape unit (10) to a discharge area of the suction tape unit (10), a plurality of deflection elements (14) arranged on the housing (11) around which the suction tape (13) is guided, and at least one vacuum unit (15) for holding the tobacco on the suction tape (13), wherein at least one of the deflection elements (14) is designed as a compacting disk (18), and assigned to each compacting disk (18), which is arranged in the discharge area of the suction tape unit (10), is a scraping element (19) arranged at a distance from the compacting disk (18), wherein each compacting disk (18) is designed to be adjustable in relation to the scraping element (19) by means of a regulating device (20) for changing the distance, characterised in that actuating means (21) for actuating the regulating device (20) for adjusting the distance between each compacting disk (18) and the scraping element (19) are arranged outside the operating area (12).
  2. Suction tape unit (10) according to claim 1, characterised in that the regulating device (20) comprises a guide body (22) and a sliding body (23) movable in relation to the guide body (22), to which sliding body each compacting disk (18) is assigned, wherein the actuating means (21) for changing the position of the sliding body (23) in relation to the guide body (22) comprises a threaded rod (25) actuatable from outside the operating area (12) or an eccentric cam actuatable from outside the operating area (12) which is in operative connection with the sliding body (23).
  3. Suction tape unit (10) according to claim 1 or 2, characterised in that the suction tape unit (10) comprises at least one sensor for determining the thickness of the suction tape (13).
  4. Suction tape unit (10) according to one or more of claims 1 to 3, characterised in that the suction tape unit (10) comprises at least one sensor (26) for determining the distance between each compacting disk (18) and the scraping element (19).
  5. Suction tape unit (10) according to claim 3 or 4, characterised in that the suction tape unit (10) is connected to a control and regulating device (27), wherein each sensor (26) is in communication with the control and regulating device (27) and the control and regulating device (27) is configured and adapted to display the information determined by the or each sensor (26) and/or to calculate and display the distance to be adjusted between each compacting disk (18) and the scraping element (19) on a monitor (28) assigned to the suction tape unit (10).
  6. Suction tape unit (10) according to claim 5, characterised in that the regulating device (20) is designed to be manually adjustable in such a manner that the threaded rod (25) is guided out of the operating area (12) and, on the end of the threaded rod (25) protruding from the operating area (12), a scaled rotary button (29) is arranged, by means of which the desired and/or indicated distance of each compacting disk (18) can be adjusted with respect to the scraping element (19).
  7. Suction tape unit (10) according to one or more of claims 2 to 6, characterised in that the actuating means (21) comprises a further actuating rod (30) which is accessible from outside during operation and to which an actuator button (31) is assigned, by means of which actuator button the sliding body (23) is fixable in the adjusted position in relation to the guide body (22), said actuating rod being configured and adapted releasably for adjusting the distance.
  8. Suction tape unit (10) according to claim 5, characterised in that the regulating device (20) is designed to be automatically adjustable in such a manner that a motor (32), whose actuating means (21) is arranged outside the operating area (12), is assigned to the threaded rod (25) or the eccentric cam.
  9. Suction tape unit (10) according to claim 8, characterised in that the motor (32) is connected to the control and regulating device (27) in such a manner that the motor (32) communicates via the control and regulating device (27) with the or each sensor (26) for automatic adjustment of the distance between each compacting disk (18) and the scraping element (19).
  10. Suction tape unit (10) according to claim 8 or 9, characterised in that the motor (32) is an angle drive (33).
  11. Method for transporting tobacco in a suction rod conveyor of the tobacco-processing industry, in particular with a suction tape unit (10) according to any one of claims 1 to 10, comprising the steps:
    - transporting the tobacco by means of a suction tape (13), which is arranged in a closed operating area (12) of a housing (11) of a suction tape unit (10), from an infeed area of the suction tape unit (10) to a discharge area of the suction tape unit (10),
    - wherein during transport from the infeed area to the discharge area the tobacco is held on the suction tape (13) by means of a vacuum unit (15) which is also arranged in the operating area (12),
    - scraping of the tobacco from the suction tape (13) by means of a scraping element (19),
    - wherein, between the scraping element (19) and at least one compacting disk (18), around which the suction tape (13) is guided in the discharge area, there is a gap whose size is adjusted as necessary by means of a regulating device (20) which is located inside the operating area (12),
    characterised in that operation of the regulating device (20) for adjusting the distance is carried out from outside the operating area (12).
  12. Method according to claim 11, characterised in that the distance between each compacting disk (18) and the scraping element (19) is measured by means of a sensor (26), wherein a control and regulating device (27) calculates the thickness of the suction tape (13) from the measured value and the resulting position of each compacting disk (18).
  13. Method according to claim 12, characterised in that the resulting position of each compacting disk (18) is displayed and is manually adjusted by an operator by means of an actuating means (21) arranged outside the operating area (12), said actuating means being in operative connection with the regulating device (20) inside the operating area (12).
  14. Method according to claim 12, characterised in that the resulting position of each compacting disk (18) is forwarded by the control and regulating device (27) to a motor (32) which automatically actuates the regulating device (20).
  15. Method according to one or more of claims 11 to 14, characterised in that the distance adjusted between each compacting disk (18) and the scraping element (19) is continuously kept constant during operation of the suction tape unit (10).
EP17153212.0A 2016-01-29 2017-01-26 Suction belt unit with adjusting device for adjusting the distance between a pressing disc of the suction belt unit and a scraping element, as well as a method for this purpose Not-in-force EP3199041B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17153212T PL3199041T3 (en) 2016-01-29 2017-01-26 Suction belt unit with adjusting device for adjusting the distance between a pressing disc of the suction belt unit and a scraping element, as well as a method for this purpose

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016101584.9A DE102016101584A1 (en) 2016-01-29 2016-01-29 Saugbandeinheit with adjusting device for adjusting the distance between a pressure washer of Saugbandeinheit and a scraper element and method for this purpose

Publications (2)

Publication Number Publication Date
EP3199041A1 EP3199041A1 (en) 2017-08-02
EP3199041B1 true EP3199041B1 (en) 2018-10-17

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Application Number Title Priority Date Filing Date
EP17153212.0A Not-in-force EP3199041B1 (en) 2016-01-29 2017-01-26 Suction belt unit with adjusting device for adjusting the distance between a pressing disc of the suction belt unit and a scraping element, as well as a method for this purpose

Country Status (4)

Country Link
EP (1) EP3199041B1 (en)
CN (1) CN107280067A (en)
DE (1) DE102016101584A1 (en)
PL (1) PL3199041T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018105111A1 (en) * 2018-03-06 2019-09-12 Hauni Maschinenbau Gmbh Saugbandförderer and strand machine of the tobacco processing industry and use of a measuring device in a suction belt conveyor a strand machine of the tobacco processing industry
PL3852558T3 (en) * 2018-09-21 2023-11-27 G.D S.P.A. Apparatus for inspecting a belt of the tobacco industry
CN109264484B (en) * 2018-11-20 2023-08-11 佛山科学技术学院 Slitting machine

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Publication number Priority date Publication date Assignee Title
GB8408607D0 (en) * 1984-04-04 1984-05-16 Molins Plc Cigarette making machine
DE3725364A1 (en) * 1987-07-31 1989-02-09 Hauni Werke Koerber & Co Kg METHOD AND ARRANGEMENT FOR MAKING A STRAND OF FIBERS OF TOBACCO OR ANOTHER SMOKEABLE MATERIAL
CH686334A5 (en) * 1991-01-31 1996-03-15 Tabac Fab Reunies Sa cigarette machine.
DE19928360A1 (en) * 1999-06-21 2001-03-29 Focke & Co Method and device for producing and / or packaging cigarettes
DE10231548A1 (en) * 2002-07-11 2004-03-25 Focke Gmbh & Co. Kg Device and method for producing a fiber strand of the tobacco processing industry
EP1424016B1 (en) * 2002-11-29 2006-07-19 Hauni Maschinenbau AG Circulating conveyor belt for transporting a rod of the tobacco industry
DE10354759A1 (en) * 2003-11-21 2005-06-30 Hauni Maschinenbau Ag shoe
DE102005025749B4 (en) * 2005-06-02 2013-11-14 Hauni Maschinenbau Ag Cleaning device and cleaning method for a strand guide channel of a strand manufacturing machine of the tobacco processing industry

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Title
None *

Also Published As

Publication number Publication date
CN107280067A (en) 2017-10-24
PL3199041T3 (en) 2019-07-31
EP3199041A1 (en) 2017-08-02
DE102016101584A1 (en) 2017-08-03

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