EP0635220A1 - Dispositif pour transférer des tiges de filtre d'une réserve dans une conduite de transport pneumatique - Google Patents

Dispositif pour transférer des tiges de filtre d'une réserve dans une conduite de transport pneumatique Download PDF

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Publication number
EP0635220A1
EP0635220A1 EP94110872A EP94110872A EP0635220A1 EP 0635220 A1 EP0635220 A1 EP 0635220A1 EP 94110872 A EP94110872 A EP 94110872A EP 94110872 A EP94110872 A EP 94110872A EP 0635220 A1 EP0635220 A1 EP 0635220A1
Authority
EP
European Patent Office
Prior art keywords
filter rods
drum
motor
area
filter rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP94110872A
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German (de)
English (en)
Other versions
EP0635220B1 (fr
Inventor
Manfred Kaluza
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
Koerber AG
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, Koerber AG filed Critical Hauni Maschinenbau GmbH
Publication of EP0635220A1 publication Critical patent/EP0635220A1/fr
Application granted granted Critical
Publication of EP0635220B1 publication Critical patent/EP0635220B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
    • A24C5/322—Transporting cigarettes during manufacturing
    • A24C5/323—Transporting cigarettes during manufacturing pneumatically

Definitions

  • the invention relates to a device for transferring filter rods for cigarettes from a supply into a pneumatic conveying line by means of a transfer drum driven to a rotational movement with receptacles for removing articles from the supply adjacent to several receptacles in a first area and for conveying these filter rods into a second Area in which the filter rods are moved axially into the delivery line under the influence of air from the receptacles.
  • a transfer device of the aforementioned type is described in US Pat. No. 3,827,757 and has also become known to the applicant through the pneumatic conveyor systems for filter rods of the FILTROMAT type which are widely used in the cigarette industry.
  • the transmission drums of these systems which are preferably driven continuously at a constant speed, remove filter rods from a supply arranged above them in receptacles, in each of which a filter rod is conveyed from the supply to a transfer area in which the filter rods are successively transferred from their receptacles by compressed air pulses into a pneumatic conveying line .
  • the filter rods pass from the sending station in succession to the remote receiving station on the filter magazine of a filter attachment machine, into which they are transferred successively or after a multi-layer flow has been formed.
  • the filter rods are removed from the filter magazine, mostly cut into partial rods and attached to cigarettes by covering the connection area with a glued covering paper sheet for the production of cigarettes.
  • the object underlying the invention is to make the delivery rate of devices of the type mentioned faster and / or safer. According to the invention, this is achieved by a drive which drives the drum discontinuously. Further embodiments of the invention can be found in the subordinate claims.
  • the advantage associated with the invention is that the transfer of the filter rods can be made safer, ie the risk of jamming and shearing can be reduced with the result of a malfunction. In addition, the transfer can still be effected safely even at increased production speeds of the fed filter attaching machine. However, if a filter rod is occasionally not properly transferred to the pneumatic delivery line, it can this can be detected according to an advantageous development of the invention by a sensor which prevents further movement of the transmission drum and the risk of malfunction caused thereby by the rapid stopping of the drum drive from a low speed.
  • FIG. 1 shows a transfer conveyor in the form of a drum 1 (sending drum or transfer drum) which is provided with receptacles 2 for filter rods 3 designed as troughs.
  • the troughs run parallel to the axis of rotation 4 of the drum 1 and are outwards, i. H. on the side facing away from the axis of rotation 4, open.
  • the counter surface 18 is adapted to the arcuate path of the webs 17 and forms the surface of a sealing block 19.
  • the sealing block 19 consists of material with good dry sliding properties, for example of polyamide.
  • the end face 21 of the drum 1 is pressed by springs 22 in bores 23 of a pressure nut 24 via a thrust bearing 26 against a counter surface 27 which forms the surface of a sealing washer 28, which is made of the same material as the sealing block 19.
  • the pressure nut 24 is included an external thread screwed into a bearing flange 29 which is fixedly attached to a machine frame 32.
  • the sealing block 19 there is a channel connected to a compressed air source 33 via a line 34 36, from which a first compressed air line 37 and a second compressed air line 38 branch off.
  • the first compressed air line 37 is only connected to a receptacle 2 of the drum 1 located in the second area B when the receptacle 2 and the pneumatic delivery line 16 are aligned with one another via the channel 14.
  • the channel 14 is designed such that it is wider at its start 42 adjoining the sealing disk 28 than at its end 43 to which the pneumatic delivery line 16 is connected.
  • the receptacle 2 Only in the aforementioned position, in which a receptacle 2 is aligned with the pneumatic delivery line 16, can the receptacle 2 be supplied with air via an associated control slot 44 of the drum 1, which acts upon the filter plugs in the receptacle 2 with a force in the direction of arrow 45.
  • the drum 1 is designed so that each receptacle 2 is assigned a control slot 44.
  • the second compressed air line 38 in which a throttle 46 is located, is already connected to a receptacle 2 via a recess in the second region B before the receptacle 2 is aligned with the pneumatic delivery line 16, and it is still connected after the receptacle 2 has escaped from the flight with the pneumatic delivery line 16.
  • the entire sealing block 19 is pressed against the drum 1 by a toggle lever 51.
  • Adjusting screws 54 and 56 are used to adjust the pressing pressure in the direction of arrows 52 and 53.
  • pressing surfaces 59 and 61 of toggle lever 51 detach from a head 62 of adjusting screw 54, whereupon sealing block 19 lies down on a support surface 63 and can be removed on a handle 64 in the direction of arrow 66, for. B. to clean the air lines or to remove filter rods not transferred into the delivery line 16.
  • the toggle 51 closes automatically when the lever arm 57 moves in accordance with arrow 58 via a connection piece (not shown) indicated only by a dashed line of action, a valve 67 in the line 34 to the compressed air source 33 or in the pneumatic delivery line 16, so that when released of the sealing block 19, no compressed air can flow out.
  • 69 is a sealing ring between a fixed wall 71 and the sealing block 19.
  • a mechanical holding element made of resilient material which can be designed, for example, as an arcuate rubber disk 81, is located in a recess in the wall 8.
  • the rubber disk 81 can be moved by a drive in the form of a controllable electromagnet 82 via an angle lever 83 in the direction of arrow 84 to the end faces 86 of the filter rods 3 in the supply 7 and can be brought into mechanical, ie non-positive contact with them.
  • the rubber piece 81 extends over the entire width of the wall 8 and thus of the space accommodating the filter rods 3. Further details of the transfer device described can be found in US-A-3 827 757.
  • the drum 1 is driven by an electric drive motor 91 which drives the shaft 6 via a gearwheel 93 seated on its output shaft 92 and a gearwheel 94 fastened on the shaft 6.
  • an actual value transmitter 95 for the instantaneous speed / angular speed of the motor 91 which scans the angular speed of the motor 91 is connected to a comparison element 96, which is also connected to the output of a setpoint generator 97 for the desired speed of the motor 91.
  • a control signal which is emitted by the comparator 96 in the event of deviations of the actual value from the target value (control deviations) becomes a control amplifier 98 supplied, which controls the energy flow supplied to the motor 91 (supply voltage and / or supply current) so that the control deviation at the output of the comparator 96 disappears.
  • Setpoint and actual value transmitters preferably work digitally. They can output their output signals in the form of pulse trains, ie they can be incremental.
  • a suitable motor 91 is the M 506 F AC servo motor sold by Bautz, D-64331 Rothstadt, Robert-Bosch-Strasse 10, DE, which draws its electrical energy from an adapted power amplifier of the type MSK 06 or MSK 12 of the aforementioned company.
  • the engine can be a so-called encoder z. B. of the type ES 1 of the aforementioned company as an actual speed sensor.
  • Setpoints a (cf. FIG. 2) for the desired movement sequences can be stored in the amplifier in the movement cycles described below. If drive motors are used for the drum 1, the setpoint pulses follow quickly and safely, e.g. B.
  • a sensor 99 for filter rods is arranged in the area of the channel 14. It consists, in a manner known per se, of a light source, the light of which is reflected in itself by a filter rod conveyed past the sensor, deflected and fed to a light-sensitive receiver of the sensor. The sensor 99 thus emits an output signal when a filter rod 3 is guided past it in the channel 14. The output signal of the sensor 99 is fed to a gate circuit 100 which blocks the control signals emitted by the setpoint generator 97 for a movement cycle of the motor or can pass.
  • the gate circuit 100 then passes the control signals to the comparator 96 when the sensor 99 has supplied the gate circuit 100 with a signal which originates from a filter rod 3 in channel 14 which has passed the sensor.
  • the setpoint signals for a movement cycle are therefore only emitted if the filter rod 3 has been correctly transferred into the channel 14 and line 16 in the previous movement cycle. If this is not the case, e.g. B. the filter rod of the previous cycle got stuck in the area of the channel 14, which in the following movement cycle could lead to shearing or jamming with the risk of a malfunction, the output signals of the setpoint generator 97 are blocked and the motor 91 is stopped; otherwise, reference value signals are fed to the comparator 96 and the motor 91 is driven in a movement cycle.
  • the sensor 99 thus triggers each movement cycle and only interrupts if it has not detected a filter rod 3.
  • the transfer device works as follows:
  • the electromagnet is de-energized, the rubber piece 81 in its drawn position, in which it does not inhibit the downward movement of the filter rods in the container 13 towards the drum 1.
  • the filter rods 3 are conveyed in the troughs 2 by the drum 1 from the first region A to the second region B, in which the filter rods are to be transferred axially directly from the receptacles into the pneumatic delivery line 16.
  • compressed air can flow from the first compressed air line 37 via the control slot 44 into the receptacle 2, axially move the filter rod 3 therein in the direction of arrow 45 and transfer it into the channel 14.
  • the transfer process is facilitated by the relatively wide beginning of the channel 14.
  • further compressed air can flow through the second compressed air line 38 and the recess into the channel 14 and thus into the pneumatic conveying line 16, so that the filter rod is safely transported away.
  • the discontinuous movement cycles of the drum 1 are caused by the elements 91 ... 100.
  • the setpoint generator 97 emits corresponding signals to the diagram in FIG. 2, which shows the setpoints a over time t, which signals are fed to the comparator 96 together with the signals from the actual value generator 95. Deviations between the target values and the actual values lead to position control deviation signals which are fed to the amplifier 98 and at the output of which cause supply current and / or supply voltage changes, by means of which the motor 91 rotates faster or slower.
  • a filter rod 3 at the time t1 at which the motor 91 has a low speed corresponding to the setpoint signal a1 has been transferred from its receptacle 2 to the drum 1 by the compressed air pulse into the channel 14 and the subsequent pneumatic conveying line 16, one of signal sent to the sensor 99, the gate circuit 100, so that the setpoint generator 97 can send an increasing signal a1, a2 to the comparison element 96 between t1 and t2, which accelerates the motor 91 until the signal a2 for the maximum speed at the time t2 is reached.
  • the receptacle 2, the filter rod 3 of which was transferred to the delivery line 16 before the time t1 is moved away from the second region, the transfer region, while the following receptacle filled with a filter rod 3 is moved into the Area B is moved into it.
  • the setpoint signal decreases in accordance with the curve a3, a4 and thus the rotational speed of the motor 91 to Time t4 the lower setpoint a1 is reached.
  • the motor rotates between t4 and t5, in which the following filter rod 3 in its receptacle 2 reaches the region B and thus the transfer position in which it is transferred into the duct 14 by a compressed air pulse.
  • the sensor 99 detects this and opens the gate circuit 100 again for the transmission of the setpoints from the setpoint generator 97 to the comparison element 96 for the subsequent movement cycle between t5 and t9.
  • the speed of the drum 1 for feeding the filter rods is continuously increased, kept at a high level and lowered again in the individual movement cycles, after which the filter rod is transferred into the channel 14 at a lower speed, after which if a line 16 is detected, transferred filter rod by the sensor 99, the speed is increased again, etc.
  • the speed of the motor 91 when the filter rods are transferred into the line 16 can be reduced to a standstill, but it has been shown that a substantial reduction in the speed is sufficient.
  • the rotational or angular speeds of the motor 91 during the individual movement cycles closely follow the courses predetermined by the setpoint signals a.
  • the motor 91 accelerates the drum 1 to a maximum value corresponding to a2 in each movement cycle, then reduces the drum speed to a lower value corresponding to a1, during which the filter rod 3 located in the receptacle 2 is transferred into the pneumatic conveying line 16, then accelerates again to a maximum value, etc. If a filter rod 3 is not taken into the conveying line 16, the motor brakes the drum quickly from the lower speed corresponding to a1 to a standstill.
  • the electromagnet 82 receives an electrical control pulse so that it moves the rubber disk 81 in the direction of arrow 84 until it ends 86 touches the lower layers of filter rods in the supply 7 and presses against the wall 9 of the container.
  • the pressure force is selected so that the filter rods are not deformed so much that there is a risk of damage.

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  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
EP94110872A 1993-07-24 1994-07-13 Dispositif pour transférer des tiges de filtre d'une réserve dans une conduite de transport pneumatique Expired - Lifetime EP0635220B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4324896 1993-07-24
DE4324896A DE4324896A1 (de) 1993-07-24 1993-07-24 Vorrichtung zum Überführen von Filterstäben aus einem Vorrat in eine pneumatische Förderleitung

Publications (2)

Publication Number Publication Date
EP0635220A1 true EP0635220A1 (fr) 1995-01-25
EP0635220B1 EP0635220B1 (fr) 1999-11-24

Family

ID=6493629

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94110872A Expired - Lifetime EP0635220B1 (fr) 1993-07-24 1994-07-13 Dispositif pour transférer des tiges de filtre d'une réserve dans une conduite de transport pneumatique

Country Status (5)

Country Link
US (1) US5697488A (fr)
EP (1) EP0635220B1 (fr)
JP (1) JP3538455B2 (fr)
DE (2) DE4324896A1 (fr)
ES (1) ES2140481T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0672355A1 (fr) * 1994-03-14 1995-09-20 Hauni Maschinenbau Aktiengesellschaft Procédé et dispositif de transport de tiges de filtre
EP0781514A1 (fr) * 1995-12-22 1997-07-02 Tokyo Automatic Machinery Works Limited Appareil de transport pneumatique pour barres
CN102232616A (zh) * 2010-04-29 2011-11-09 豪尼机械制造股份公司 用于制造烟草加工业中棒状产品的机器的运输装置
EP3315033A1 (fr) * 2016-10-27 2018-05-02 GIMA TT S.p.A. Dispositif d'alimentation de tiges de filtre ainsi que dispositif et procédé pour la fabrication des articles comprenant de tels tiges de filtre

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1309989B1 (it) 1999-06-29 2002-02-05 Gd Spa Dispositivo di movimentazione di rulli in macchine automatiche.
DE502004000382D1 (de) * 2003-07-10 2006-05-11 Hauni Maschinenbau Ag Vorrichtung zum Herstellen von stabförmigen Tabakproduken mit einem Filter, insbesondere von Filterzigaretten
EP1495685B8 (fr) * 2003-07-10 2006-06-14 Hauni Maschinenbau AG Dispositif de fabrication d'articles de tabac en forme de tige avec filtre, notamment des cigarettes
ITBO20040495A1 (it) * 2004-08-03 2004-11-03 Gd Spa Apparecchiatura du trasferimento di articoli a barretta
CN104399719B (zh) * 2014-11-01 2017-03-15 常德瑞华制造有限公司 一种滤棒发射管道自动清堵系统发射端装置及其方法
US11414969B2 (en) * 2020-06-30 2022-08-16 Hi-Crush Canada Inc. Method and system for metering proppant

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1127416A (en) * 1965-06-17 1968-09-18 Tobacco Res & Dev I Ltd Valves for feeding articles into or taking articles out of pneumatic conveying systems
US3827757A (en) * 1972-05-05 1974-08-06 Hauni Werke Koerber & Co Kg Apparatus for transporting rod-shaped articles
DE3538660A1 (de) * 1984-11-17 1986-05-22 Hauni-Werke Körber & Co KG, 2050 Hamburg Verfahren und vorrichtung zum pneumatischen foerdern von artikeln der tabakverarbeitenden industrie

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1247181A (en) * 1968-01-02 1971-09-22 Tobacco Res & Dev I Ltd Article feeding system
DE2909292C2 (de) * 1979-03-09 1985-01-03 Bernhard Beumer Maschinenfabrik Kg, 4720 Beckum Aufgabevorrichtung zum Aufgeben einzelner Stückgüter auf einen angetriebenen Aufnahmeförderer
US4368742A (en) * 1980-02-02 1983-01-18 Hauni-Werke Korber & Co. Kg. Apparatus for replenishing the supplies of filter rod sections in the magazines of filter tipping machines
US4710966A (en) * 1984-01-04 1987-12-01 Itek Corporation Digital frame processor pipe line circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1127416A (en) * 1965-06-17 1968-09-18 Tobacco Res & Dev I Ltd Valves for feeding articles into or taking articles out of pneumatic conveying systems
US3827757A (en) * 1972-05-05 1974-08-06 Hauni Werke Koerber & Co Kg Apparatus for transporting rod-shaped articles
DE3538660A1 (de) * 1984-11-17 1986-05-22 Hauni-Werke Körber & Co KG, 2050 Hamburg Verfahren und vorrichtung zum pneumatischen foerdern von artikeln der tabakverarbeitenden industrie

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0672355A1 (fr) * 1994-03-14 1995-09-20 Hauni Maschinenbau Aktiengesellschaft Procédé et dispositif de transport de tiges de filtre
EP0781514A1 (fr) * 1995-12-22 1997-07-02 Tokyo Automatic Machinery Works Limited Appareil de transport pneumatique pour barres
US5709507A (en) * 1995-12-22 1998-01-20 Tokyo Automatic Machinery Works, Ltd Pneumatic bar conveying apparatus
CN102232616A (zh) * 2010-04-29 2011-11-09 豪尼机械制造股份公司 用于制造烟草加工业中棒状产品的机器的运输装置
EP3315033A1 (fr) * 2016-10-27 2018-05-02 GIMA TT S.p.A. Dispositif d'alimentation de tiges de filtre ainsi que dispositif et procédé pour la fabrication des articles comprenant de tels tiges de filtre

Also Published As

Publication number Publication date
DE4324896A1 (de) 1995-01-26
EP0635220B1 (fr) 1999-11-24
JPH07147962A (ja) 1995-06-13
JP3538455B2 (ja) 2004-06-14
DE59408947D1 (de) 1999-12-30
ES2140481T3 (es) 2000-03-01
US5697488A (en) 1997-12-16

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