EP1500337A1 - Chargement avec sas - Google Patents

Chargement avec sas Download PDF

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Publication number
EP1500337A1
EP1500337A1 EP03016414A EP03016414A EP1500337A1 EP 1500337 A1 EP1500337 A1 EP 1500337A1 EP 03016414 A EP03016414 A EP 03016414A EP 03016414 A EP03016414 A EP 03016414A EP 1500337 A1 EP1500337 A1 EP 1500337A1
Authority
EP
European Patent Office
Prior art keywords
tobacco
lock chamber
filling
feeding device
predetermining
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP03016414A
Other languages
German (de)
English (en)
Inventor
Karsten Eckert
Frank Silber
Jörg Tobias
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 AG
Koerber Technologies GmbH
Original Assignee
Hauni Werke Koerber and Co KG
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 Werke Koerber and Co KG, Hauni Maschinenbau GmbH filed Critical Hauni Werke Koerber and Co KG
Priority to EP03016414A priority Critical patent/EP1500337A1/fr
Publication of EP1500337A1 publication Critical patent/EP1500337A1/fr
Withdrawn legal-status Critical Current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
    • A24C5/39—Tobacco feeding devices
    • A24C5/392—Tobacco feeding devices feeding pneumatically

Definitions

  • the invention relates to a feeding device for tobacco, with a pneumatic conveyor line for feeding tobacco to a the tobacco from the conveying air flow receiving lock chamber.
  • the invention further relates to a method for filling a lock chamber with tobacco, with tobacco via a delivery line pneumatically fed to the lock chamber and wherein the flow is removed from the lock chamber.
  • Feeding devices of the type mentioned serve for pneumatic Charging of cigarette rod machines or cigar extruders with tobacco. Falls in the distributor of such Machine contained tobacco stock below a certain amount, Thus, a signal is given by a button, the supply activated by tobacco an air source in a pneumatic conveying line. For the supply of tobacco to extrusion machines is usually Used suction air. The tobacco is released in a lock chamber separated from the air flow, in which he retained by a screen surface while the conveying air is passing through the screen surface flows and in another pneumatic conveying line to Suction-air generator flows. Is the lock chamber filled, what a Output signal of a corresponding detector reports, so can in If necessary, the lock chamber will be opened and the tobacco in get to the storage room of the tobacco rod machine.
  • feeders or filling devices for extrusion machines known, where the tobacco is continuously in accordance with consumption the stranding machine is fed, including generally continuously working locks or other seals or barriers be provided of the pneumatic system.
  • a lock chamber If a lock chamber is not completely filled, then it may the uneven filling in the strand also continue, which in particular at multiple partial fillings to a bad one Strand construction and can lead to stoppers. With ever wider Distributors with more and more capacity may also be due to compression of the tobacco on an impact wall Density fluctuations in the tobacco come, which also causes problems in the Strand buildup can result because the mixing of the tobacco in the Distributor in the horizontal direction can be lower.
  • a charging device for tobacco, with a pneumatic conveying line for feeding tobacco to one of the tobacco from the conveying air flow receiving lock chamber, one being the position the tobacco provided in the lock chamber predetermining device is that is movable.
  • the invention is based on the idea that when not completely filled locks or very large locks or for very wide locks, which are filled unevenly can, whereby also in the distributor an uneven filling is generated by predetermining the position of the tobacco during the Filling or after filling the non-uniform filling can be reduced.
  • a detector for measuring the level of the lock chamber is provided, in a simple way the the Position of the tobacco in the lock chamber predetermining device be positioned. If that the position of the tobacco pretending Device is a transporter, it is on extra simple way possible the position of the tobacco in the Specify or change the way that a uniform filling of the distributor is possible.
  • a preferred transport device comprises a Slide.
  • the tobacco fed into the lock chamber essentially Transportable to the middle of the lock chamber is a simple Realization of a uniform distribution possible. in this connection means transporting the tobacco substantially in the middle, that the focus of the tobacco is essentially in the middle the lock chamber is transported.
  • n Medungsstakte which the position of tobacco assigned device at a first filling cycle is in a starting position and to the respective next Filling stroke is movable with a pitch equal to the Width of the lock chamber divided by n, where n is a whole Number is greater than one.
  • n is a whole Number is greater than one.
  • the transport device comprises a screw conveyor.
  • the tobacco becomes relative softly caught, since the worm threads of the screw conveyor are designed obliquely to the conveying air flow and thus the tobacco does not impact head-on.
  • a particularly elegant transport option in the Lock chamber got tobacco possible.
  • the lock chamber transverse to the axis of rotation of the screw conveyor a substantially round cross section. If a mobile, especially resilient, mounted impact surface for the tobacco is provided in the lock chamber, the tobacco is at the impact surface slowed down less and therefore less compressed, giving a more even distribution of the total Tobacco is allowed in the distributor.
  • the invention is further characterized by a method for filling a Sluice chamber with tobacco solved, whereby tobacco over a conveyor line pneumatically fed to the lock chamber and wherein the conveying air flow is removed from the lock chamber, the level of the lock chamber during filling is measured, wherein after a predetermined time, in the lock chamber was only partially filled, the filling is stopped and the position of the tobacco during this filling step and / or immediately following this Filling step or after the next filling step is shifted or wherein the position of the tobacco at least two consecutive filling steps is different.
  • the inventive method is a uniform distribution of the tobacco in the distributor realizable. If not complete Filling the tobacco throughput at least one of the Lock chamber adjoining tobacco processing machine Industry, such as a stranding machine, adapted, In particular, reduced, it comes to a few failures in the Production of cigarette strands or cigar strings, for example.
  • n allows filling steps are, wherein the position of the tobacco predetermining device is at a first filling step in a starting position and before the respective next filling step with a step size is movable, which is equal to the width of the lock chamber divided by n, where n is an integer greater than one.
  • Fig. 1 is a section of the distributor 2 of a cigarette rod machine of the PROTOS type of the applicant with a feeding device 3 shown.
  • the illustrated in Fig. 1, 2 and 3 Distributor or the cutouts from this distributor are in the DE 40 27 409 A1.
  • the part of the distributor, not shown can be as described in US-PS 46 51 758.
  • tobacco is added in portions to a container 1 transferred, in which a tobacco reservoir 4 formed from tobacco fibers becomes.
  • a detector for example in the form of a light barrier 6, monitored the level of tobacco stock 4 and gives a signal when the level falls below the detector 6. The signal triggers the Supply of another tobacco portion in the container 1 to nachbe2ene Way out.
  • a rake or paddle roller 7 removes from the reservoir 1 tobacco, from that in not shown Formed another supply of loosened tobacco fibers becomes.
  • a provided with drivers 12 steep conveyor belt 13 takes a layer of cut tobacco and promotes this in a bulkhead 29, in which a tobacco column 31 is formed, from the example in in the US-PS 46 51 758 way out a tobacco rod is formed.
  • the charging device 3 has a lock chamber 16, in which a pneumatic conveying line 17 (conveying pipe) for feeding of the cut tobacco ends.
  • a pneumatic conveying line 17 (conveying pipe) for feeding of the cut tobacco ends.
  • Three sides of the lock chamber 16 are formed by screen surfaces 18, 19 and 21, in which sieves 22nd or 23 or 24 are attached.
  • the frame of the last two Sieves are omitted in the drawing.
  • To the sieves extends a common space 26, with another pneumatic conveying line 27 (delivery pipe) is in communication.
  • a bottom surface 33 of the lock chamber 16 is with an outlet for the tobacco in the form of a pivot axis 34th pivotable bottom flap 26 provided.
  • the Bottom plate 36 serves a drive in the form of a pneumatically operated Power cylinder 37, by an output signal of the detector 6 is controllable.
  • the detector 6 causes the power cylinder 37th to an opening movement of the bottom flap 36 in the direction of Arrow 39, when the level of tobacco stock 4 under the detector 6 has fallen, the strand machine thus needs a new tobacco serving from the feeder 3 reports.
  • To open the bottom flap 36 moves an unillustrated pressurized Piston of the power cylinder 37, the articulation joint 42 of the Piston rod in the direction of arrow 43.
  • the operation of the feeder is as follows.
  • the bottom flap 36 is initially in the position shown.
  • To a Feeding process or a filling process is the suction air source activated in the pneumatic conveying line 27.
  • the Indian Line 27 then prevailing negative pressure is planted by the Lock chamber 16, the screens 22 and 23 and 24 and the room 26 continues in the delivery line 17, so that the pneumatic conveying of the cut tobacco begins from a feed point, not shown.
  • the in an air flow through the conduit 17 into the lock chamber 16 conveyed cut tobacco 41 is from the sieves 22, 23 and 24 withheld while the air through the sieves in different Directions indicated by arrows 46 and 47 and 48, respectively symbolizes flows.
  • the detector 38 gives a shutdown signal to the pneumatic conveyor system, whereupon the vacuum source is disconnected so that the flow of air stops.
  • the finished educated Tobacco portion 41 can now at the right time in the container. 1 be transferred.
  • the signal receives the drive 37 of the Detector 6, which responds and emits a signal when the level in the container falls under the detector.
  • the bottom flap 36 pivoted to open in the direction of arrow 39.
  • the tobacco portion 41 falls into the container 1, whereupon the drive 37 is a closing signal receives. After closing the bottom flap 36 is another in the manner described above charging process executed.
  • the lock chamber 16 according to the invention, as further developed, for example, in FIGS. 4 and 5.
  • Tobacco is filled as usual in the lock.
  • the filling process can be stopped when the lock is completely filled.
  • the Measurement of the level is done for example via a sensor 52 may be formed as an ultrasonic sensor.
  • a sensor 52 may be formed as an ultrasonic sensor.
  • the filling will be finished by the delivery line 17 and the tobacco 41 through a slider 50 is pushed into the chamber center 51.
  • FIG. 5 are schematically different amounts of tobacco 41st shown, wherein the slider 50 can be seen at a larger Amount of tobacco as shown in Fig. 4 is pushed less far to the center must be as with a smaller amount of tobacco 41 as in Fig. 5 shown.
  • the width b is the Lock chamber 16 shown and the chamber center 51. Essentially is the focus of the tobacco or the center of the Tobacco or the amount of tobacco to the chamber center 51 moved.
  • By measuring the lock level by means of the ultrasonic sensor can be measured directly how much tobacco the Lock chamber 16 was supplied.
  • emptying the center Tobacco tobacco also falls centrally in the distributor, so that a substantially uniform tobacco distribution over the width b of the lock chamber 16 results. So it is possible even with incomplete lock filling the stranding machine continue to produce.
  • an impact wall 50 in the lock chamber 16 provide that both movable and resilient is stored.
  • a spring bearing 54 is provided.
  • a suitable sensor 53 or more suitable sensors like a distance sensor or multiple light sensors or a Capacitive sensor, the respective degree of filling of the lock chamber 16 recorded.
  • the rear wall or the slider 50 which remains the Rear wall forms, in the starting position, in Fig. 6 right is arranged.
  • the filled into the lock chamber 16 tobacco delivered to the distributor which is shown by the arrow 55.
  • the slider 50 is moved in the position of Fig. 7, so that transported by the conveying air stream 56 tobacco 41 at the next filling only in the left area of the lock chamber 16 arrived. In this way is about two filling steps allows a uniform distribution of tobacco.
  • FIG. 6 and Fig. 7 illustrate an embodiment in which each lock chamber 16 was half filled.
  • This method can also be used in several steps, for example take three steps, where then the number n, from which the Increment (b divided by n) can be three. In the previous example was the number n two. It would also be possible to provide fillings the first a position of the slider 50 in the starting position Provide right, then a quarter of the width left, another quarter of the width left, then with a Filling step to fill the remaining half. There are too other variants possible. After a complete filling or several filling steps, then a complete filling correspond, the slider 50 moves back to the starting position back. This is always with several filling steps given a complete filling of the lock chamber 16, whereby a uniform distribution of tobacco in the distributor is possible. Furthermore, there are relatively small density variations in the tobacco, because the width of the manifold is reduced in this way becomes.
  • FIGS. 8 to 10 show a further embodiment according to the invention the lock chamber 16 in a schematic view.
  • the tobacco is in a delivery line 17 by means of a conveying air flow 56 from the left into the lock chamber 16 promoted.
  • the lock chamber 16 is in this embodiment executed around.
  • the sieve and the flap are for Emptying adjusted accordingly.
  • the screw conveyor 57 In the lock chamber 16 there is a screw conveyor 57, the screw conveyor 57 is shown only schematically.
  • the subsidized tobacco hits the Snail at an oblique angle from the slope of the Snail depends. In particular, even shallower spiral turns, that means a lower pitch of the screw turns be provided. The slighter or smaller the impact angle is, the gentler the tobacco is slowed down.
  • the tobacco is further in the Lock chamber 16 promoted to the right. This will be the subsequent tobacco through the screw conveyor and not more braked by the already lying in the lock tobacco, which leads to less tobacco destruction and also ensures that the tobacco in the lock is not undesirable and disadvantageous is compressed.
  • the distributor can be arbitrary be made wide without a density fluctuation of the Tobacco is produced.
  • the motor 58 for rotating the screw conveyor 57 requires little space, for example, on the right side of the Lock chamber 16.
  • a uniform filling is possible if, for example at a half filling of the lock chamber 16, if the predetermined Filling time has expired, after the first filling Tobacco is promoted to the right side of the lock chamber 16 of and on the subsequent filling remains on the left side. In this way, a complete lockload, the in the upper embodiments according to FIGS. 6 and 7 several partial fillings are generated. The partial fillings then evenly over the distributor width and the width the lock chamber 16 made. There can be as many as you like Partial fillings are generated in any percentage distribution. The tobacco is each promoted as far as the lock chamber 16 was filled at the last filling.
  • the embodiment according to FIGS. 8, 9, 10 and 11 has the Another advantage that when emptying the lock chamber 16 no tobacco can attach to the flap 36 so that not the entire Tobacco of the distribution unit is supplied.
  • Such setting Tobacco is common in the art.
  • By the conveying by means of a screw conveyor 57 eliminates this problem, since the screw conveyor 57 during the emptying of the lock chamber 16 mit noteworthyd can be configured so that the Lock chamber 16 is completely emptied.
  • the snail The tobacco is no longer in one piece from the lock chamber 16, but within half a screw turn, causing too a better transfer to the pre-distributor or the metering roller 7 leads.
  • a lock chamber 16 both with a screw conveyor 57 as well as with an impact surface 59 to provide.
  • the impact surface 59 is mounted with springs 60, so that the compression of the promoted into the lock chamber into Tobacco is minimized.
  • the tobacco falls thereby still something gently from above on the auger 57 and then as shown above on the distributor width or the Width of the distribution unit 2 split.

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  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
EP03016414A 2003-07-21 2003-07-21 Chargement avec sas Withdrawn EP1500337A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03016414A EP1500337A1 (fr) 2003-07-21 2003-07-21 Chargement avec sas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03016414A EP1500337A1 (fr) 2003-07-21 2003-07-21 Chargement avec sas

Publications (1)

Publication Number Publication Date
EP1500337A1 true EP1500337A1 (fr) 2005-01-26

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ID=33483912

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03016414A Withdrawn EP1500337A1 (fr) 2003-07-21 2003-07-21 Chargement avec sas

Country Status (1)

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EP (1) EP1500337A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010051969A1 (fr) * 2008-11-07 2010-05-14 Hauni Maschinenbau Ag Équipement et procédé d'amenée de tabac haché entre une unité de chargement du tabac et une machine de transformation du tabac
EP2078463A3 (fr) * 2008-01-14 2011-10-19 Hauni Maschinenbau AG Dispositif de correction

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE676476C (de) * 1938-03-13 1939-06-05 Muller J C & Co In eine pneumatische Tabakfoerderanlage eingeschalteter Abscheider
DE3629074A1 (de) * 1986-08-26 1988-05-05 Bat Cigarettenfab Gmbh Tabakschleuse
EP0447151A1 (fr) * 1990-03-12 1991-09-18 Philip Morris Products Inc. Ecluse à air pour un transporteur À  bande horizontale
US5188127A (en) * 1990-08-30 1993-02-23 Korber Ag Apparatus for feeding tobacco to distributors of rod making machines

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE676476C (de) * 1938-03-13 1939-06-05 Muller J C & Co In eine pneumatische Tabakfoerderanlage eingeschalteter Abscheider
DE3629074A1 (de) * 1986-08-26 1988-05-05 Bat Cigarettenfab Gmbh Tabakschleuse
EP0447151A1 (fr) * 1990-03-12 1991-09-18 Philip Morris Products Inc. Ecluse à air pour un transporteur À  bande horizontale
US5188127A (en) * 1990-08-30 1993-02-23 Korber Ag Apparatus for feeding tobacco to distributors of rod making machines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2078463A3 (fr) * 2008-01-14 2011-10-19 Hauni Maschinenbau AG Dispositif de correction
WO2010051969A1 (fr) * 2008-11-07 2010-05-14 Hauni Maschinenbau Ag Équipement et procédé d'amenée de tabac haché entre une unité de chargement du tabac et une machine de transformation du tabac

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